CN212853760U - External fixing device for traditional Chinese medicine small splint - Google Patents

Abstract

The utility model discloses a traditional chinese medical science splint external fixation device, including first splint, second splint, third splint, fourth splint, be used for setting up band and horizontal coupling device on human arm with first splint, second splint, third splint and fourth splint, horizontal coupling device is including being used for right first moulding track that first splint advance line location with be used for right the second moulding track that third splint advance line location penetrates first moulding track and the moulding track of second the second splint, second splint are located between first splint and the third splint. The utility model discloses a little splint external fixation device of traditional chinese medical science can conveniently adjust the position of splint, makes things convenient for external fixation operation, keeps restraint power ring sensitivity, through the succinct nature of the reliability and the operation of combination formula single meshbelt control mode improvement device.

Description

External fixing device for traditional Chinese medicine small splint

Technical Field

The utility model belongs to the technical field of the little splint of traditional chinese medical science, specifically speaking, the utility model relates to a little splint external fixation of traditional chinese medical science device.

Background

In the existing external fixing device for the traditional Chinese medical splint, the combination technology of the splint body only considers the adaptability with the limbs of the human body, the orthogonal anisotropy characteristic of the combined splint component and the biomechanical compatibility and adaptability of the splint component and the fixed part bone are not noticed, the adaptability of the splint rigidity and the callus strength and the avoidance of stress shielding and the like are not perfect; the traditional Chinese medicine small splint external fixing device consists of four splints, the existing device system can not solve the problems of longitudinal length matching adjustment and transverse shaping adjustment of the four splints, and the combination of the connecting body and the splint component is suitable for a small crowd range; and the adopted wool and hook strap constraint binding mode is difficult to obtain an accurate tension value through fine adjustment. The ribbon bundling is a better choice, but the splint is easy to move, the ribbon tail is difficult to treat, and particularly, the sliding and external fixation of the splint are easy to loose by adopting a single ribbon; the external fixation operation cannot be highly compact.

Therefore, the modernization development of the traditional Chinese medical small splint technology must be continuously innovated and further improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an external fixing device for a small splint in traditional Chinese medicine, which aims to facilitate the external fixing operation.

In order to realize the purpose, the utility model discloses the technical scheme who takes does: traditional chinese medical science splint external fixation device, including first splint, second splint, third splint, fourth splint, be used for setting up band and horizontal coupling device on human arm with first splint, second splint, third splint and fourth splint, horizontal coupling device is including being used for right first moulding track that first splint go on fixing a position with be used for right the second moulding track that third splint go on fixing a position, first moulding track and the moulding track of second penetrate the second splint, the second splint are located between first splint and the third splint.

The first clamping plate comprises a first clamping plate body, a first buckle and a first limiting part, wherein the first buckle and the first limiting part are arranged on the first clamping plate body, the belt passes through the first buckle, the first limiting part is located between the first clamping plate body and the belt, the first limiting part is located between the two first buckles, and the first limiting part is at least arranged between the two first buckles.

The first clamp plate further comprises a first clamping seat arranged on the first clamp plate body, and a first middle retaining ring and a first middle limiting part which are arranged on the first clamping seat, the first shaping rail penetrates through the first middle limiting part and the first clamping seat, the binding belt and the first shaping rail penetrate through the first middle retaining ring, the first middle limiting part is positioned between the first shaping rail and the binding belt, the first middle limiting part is positioned between the two first middle retaining rings, and at least one first middle limiting part is arranged between the two first middle retaining rings; the length of first splint body can change, and first splint body includes first outside splint and first inboard splint, and first outside splint include first splint upper segment and first splint hypomere, and first joint seat is detachable connection with first splint upper segment and first splint hypomere.

The second clamping plate comprises a second clamping plate body, and a second snap ring and a second limiting piece which are arranged on the second clamping plate body, and the bridle passes through the second snap ring and the second limiting piece is positioned between the second clamping plate body and the bridle; the second limiting piece is located between the two second retaining rings, and at least one second limiting piece is arranged on each of the two second retaining rings.

The second clamp plate further comprises a second clamping seat arranged on the second clamp plate body, and a second middle retaining ring and a second middle limiting part which are arranged on the second clamping seat, the first shaping rail and/or the second shaping rail penetrates through the second middle limiting part and the second clamping seat, the bridle penetrates through the second middle retaining ring, the second middle limiting part is positioned between the second clamping seat and the bridle, the second middle limiting part is positioned between the two second middle retaining rings, and at least one second middle limiting part is arranged between the two second middle retaining rings; the length of second splint body can change, and the second splint body includes the inboard splint of second outside splint and second, and the outside splint of second includes second splint upper segment and second splint hypomere, and second joint seat is detachable connection with second splint upper segment and second splint hypomere.

The transverse connecting device further comprises a guide piece arranged on the second clamping plate, the first shaping rail and the second shaping rail penetrate through the guide piece and are fixedly connected, and the guide piece is clamped between the second middle limiting piece and the second clamping seat.

The third splint comprises a third splint body, a third buckle and a third limiting part, the third buckle and the third limiting part are arranged on the third splint body, the strap passes through the third buckle, the third limiting part is located between the second shaping rail and the strap, the third limiting part is located between the two third buckles, and the third limiting part is at least arranged between the two third buckles.

The third clamping plate further comprises a third clamping seat arranged on the third clamping plate body, and a third middle snap ring and a third middle limiting part which are arranged on the third clamping seat, the second shaping rail penetrates through the third middle limiting part and the third clamping seat, the strap and the second shaping rail penetrate through the third middle snap ring, the third middle limiting part is positioned between the second shaping rail and the strap, the third middle limiting part is positioned between the two third middle snap rings, and at least one third middle limiting part is arranged between the two third middle snap rings; the length of third splint body can change, and the third splint body includes third outside splint and the inboard splint of third, and third outside splint include third splint upper segment and third splint hypomere, and third joint seat is detachable connection with third splint upper segment and third splint hypomere.

The first inner side clamping plate is in plug connection with the first clamping plate upper section and the first clamping plate lower section, the first clamping seat is constructed to fix the first inner side clamping plate with the first clamping plate upper section and the first clamping plate lower section, and the first inner side clamping plate has multiple specifications with different rigidity and/or length;

or the second inner side splint is in plug connection with the second splint upper section and the second splint lower section, the second clamping seat is constructed to fix the second inner side splint with the second splint upper section and the second splint lower section, and the second inner side splint has multiple specifications with different rigidity and/or length;

or the third inner side splint is in plug connection with the third splint upper section and the third splint lower section, the third clamping seat is constructed to fix the third inner side splint with the third splint upper section and the third splint lower section, and the third inner side splint has multiple specifications with different rigidity and/or length.

The outer fixing device of traditional chinese medical science splint still include locking device, locking device includes the inserted sheet, the locking support of being connected with the inserted sheet and rotatable setting on the locking support and be used for cooperating with the clamping piece that presss from both sides tight band with the locking support, the locking support has the first hole of dodging and the second of dodging that lets the band pass and dodges the hole, the clamping piece includes rotates the rotor plate of being connected with the locking support and sets up on the rotor plate and be arranged in inserting the first clamp plate of dodging in the hole, be arranged in inserting the second clamp plate of dodging in the hole and be used for making clamping piece and locking support keep the latch hook board at the lock state.

The utility model discloses a little splint external fixation device of traditional chinese medical science fixes a position splint through setting up horizontal coupling device, can conveniently adjust the position of splint, and convenient external fixation operation keeps restraint power ring sensitivity, through the succinct nature of the reliability of the single meshbelt control mode improvement device of combination formula and operation.

Drawings

The description includes the following figures, the contents shown are respectively:

FIG. 1 is a schematic structural view of the external fixing device for a small splint according to the present invention;

FIG. 2 is a schematic view of the engagement between the limiting member and the guide member;

FIG. 3 is a schematic view of the engagement between the limiting member, the guiding member and the strap;

FIG. 4 is a schematic structural view of a first shaping rail and a second shaping rail;

FIG. 5 is a schematic structural view of a position-limiting member and a retaining ring;

FIG. 6 is a schematic view of a first lateral splint;

FIG. 7 is a schematic view of the construction of the second outer clamping plate;

FIG. 8 is a schematic view of a third lateral splint;

FIG. 9 is a schematic view of a fourth outer clamping plate;

FIG. 10 is a cross-sectional view of a first cleat;

FIG. 11 is a cross-sectional view of a first second cleat;

FIG. 12 is a cross-sectional view of a first third cleat;

FIG. 13 is a cross-sectional view of a fourth cleat of the first type;

FIG. 14 is a cross-sectional view of a second first cleat;

FIG. 15 is a cross-sectional view of a second splint;

FIG. 16 is a cross-sectional view of a second third cleat;

FIG. 17 is a cross-sectional view of a second splint;

FIG. 18 is a cross-sectional view of a third first clamping plate;

FIG. 19 is a cross-sectional view of a third second cleat;

FIG. 20 is a cross-sectional view of a third cleat;

FIG. 21 is a cross-sectional view of a third type of fourth clamping plate;

FIG. 22 is an exploded view of a fourth first cleat;

FIG. 23 is an exploded view of a fourth second cleat;

FIG. 24 is an exploded view of a fourth cleat;

FIG. 25 is an exploded view of a fourth cleat;

FIG. 26 is a schematic structural view of the first, second, and third clamping seats;

FIG. 27 is a schematic view of a fourth chuck base;

FIG. 28 is a schematic view of the locking device;

FIG. 29 is a schematic view of the bottom structure of the locking device;

FIG. 30 is a schematic view of the locking bracket;

FIG. 31 is a schematic view of the structure of the clamping member;

labeled as: 1. a belt; 2. a tension prompting device; 3. a first splint; 301. a first inner splint; 302. a first outer splint; 303. a first retaining ring; 304. a first limit piece; 305. a first deck slab; 306. a first connecting plate; 307. a first support plate; 308. a first base plate; 309. a first buckle; 310. a first avoidance slot; 311. a first clamp plate upper section; 312. a first splint lower section; 313. a first middle limiting part; 314. a first middle retaining ring; 315. a first card slot; 4. a second splint; 401. a second inner splint; 402. a second outer clamping plate; 403. a second retaining ring; 404. a second limiting member; 405. a second limiting member; 406. a second connecting plate; 407. a second support plate; 408. a second base plate; 409. a second buckle; 410. a second avoidance slot; 411. a second splint upper section; 412. a second splint lower section; 413. a second middle limiting part; 414. a second middle retaining ring; 415. a second card slot; 5. a third splint; 501. a third inner splint; 502. a third outer splint; 503. a third retaining ring; 504. a third limiting member; 505. a third deck plate; 506. a third connecting plate; 507. a third support plate; 508. a third base plate; 509. a third buckle; 510. a third avoidance slot; 511. a third splint upper section; 512. a third splint lower section; 513. a third middle limiting part; 514. a third middle retaining ring; 515. a third card slot; 6. a fourth splint; 601. a fourth inner splint; 602. a fourth outside splint; 603. a fourth retaining ring; 604. a fourth deck board; 605. a fourth connecting plate; 606. a fourth support plate; 607. a fourth base plate; 608. a fourth buckle; 609. a fourth avoidance groove; 610. a fourth middle retaining ring; 611. a fourth splint upper section; 612. a fourth splint lower section; 613. a fourth card slot; 7. a first shaping rail; 8. a second shaping rail; 9. a guide member; 10. locking the support; 11. inserting sheets; 12. a rotating plate; 13. a first clamping plate; 14. a second clamping plate; 15. a latch plate; 16. a first avoidance hole; 17. and a second avoidance hole.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, for the purpose of helping those skilled in the art to understand more completely, accurately and deeply the conception and technical solution of the present invention, and to facilitate its implementation.

It should be noted that, in the following embodiments, the terms "first", "second", "third" and "fourth" do not represent absolute differences in structure and/or function, nor represent a sequential execution order, but merely for convenience of description.

As shown in fig. 1 to 9, the present invention provides an external fixing device for a small splint, which comprises a first splint 3, a second splint 4, a third splint 5, a fourth splint 6, a transverse connecting device and a band for fastening the first splint 3, the second splint 4, the third splint 5 and the fourth splint 6 to the arm of the human body. The transverse coupling means comprise a first shaping track 7 for positioning the first jaw 3 and a second shaping track 8 for positioning the third jaw 5, the first shaping track 7 and the second shaping track 8 penetrating the second jaw 4, the second jaw 4 being located between the first jaw 3 and the third jaw 5. The first shaping track 7 is used for positioning the first splint 3 before being worn, the second shaping track 8 is used for positioning the third splint 5 before being worn, the first splint 3 and the third splint 5 are kept in a relative position state before being worn, the first shaping track 7 provides a certain positioning and supporting effect for the first splint 3, the second shaping track 8 provides a certain positioning and supporting effect for the third splint 5, a space for accommodating the limbs of a patient is formed between the first splint 3 and the third splint 5, the second splint 4 is positioned below the space, the shaping of the external fixing device of the small splint before being worn is realized, thus the external fixing device of the small splint can be directly sleeved on the limbs of the patient when being worn, the subsequent external fixing device of the small splint can be conveniently worn on the arm or other limb parts of the patient, the splint device after being shaped can be supported on the affected limb from bottom to top, the painless wearing is formed.

Specifically, as shown in fig. 1 to 9, a plurality of straps are provided, the straps fasten the first splint 3, the second splint 4, the third splint 5 and the fourth splint 6 to the forearm of the human body, the first splint 3 and the third splint 5 are oppositely arranged, the first splint 3 and the third splint 5 are positioned at opposite sides of the forearm of the human body, the second splint 4 and the fourth splint 6 are oppositely arranged, the second splint 4 and the fourth splint 6 are positioned at opposite sides of the forearm of the human body, and the fourth splint 6 is provided with a tension prompting device, a fourth buckle 603 and a fourth middle buckle 610.

As shown in fig. 1 to 6, the first splint 3 includes a first splint body, and a first buckle 303 and a first limiting member 304 disposed on the first splint body, and the strap passes through the first buckle 303 and the first limiting member 304 is located between the first splint body and the strap. The first snap ring 303 is of a U-shaped structure, the first snap ring 303 is provided with a first lacing hole through which the lacing passes, the first snap ring 303 is fixedly connected with the first clamping plate body, the first snap ring 303 extends out towards the outer side of the first clamping plate body, and the length direction of the first snap ring 303 is parallel to the length direction of the first clamping plate body. The first limiting member 304 has a certain length, the length direction of the first limiting member 304 is parallel to the length direction of the first splint body, the first limiting member 304 is of a T-shaped structure, the first limiting member 304 includes a first vertical portion and a second vertical portion connected with each other, the first vertical portion is fixedly connected with the first splint body, the first vertical portion is perpendicular to the first splint body, the second vertical portion has a certain length, the length direction of the second vertical portion is parallel to the length direction of the first splint body, the first vertical portion is fixedly connected with the second vertical portion at a middle position in the length direction of the second vertical portion, the first vertical portion is perpendicular to the second vertical portion, and a certain gap is formed between the second vertical portion and the first splint body.

As shown in fig. 1 to 6, the strap sequentially passes through the two first buckles 303 on the first clamping plate 3, the two first buckles 303 through which the strap passes are located on the same straight line parallel to the width direction of the first clamping plate body, the first limiting member 304 is located between the two first buckles 303, and a plurality of first limiting members 304 are disposed between the two first buckles 303. The first snap rings 303 are provided in plural, all the first snap rings 303 are arranged in plural rows along the length direction of the first splint body, and two first snap rings 303 are respectively arranged, the two first snap rings 303 in the same row are located on the same straight line parallel to the width direction of the first splint body, each strap passes through the two first snap rings 303 in the same row, and a plurality of first locating parts 304 are provided between the two first snap rings 303 in the same row, and all the first locating parts 304 located between the two first snap rings 303 are arranged in sequence along the width direction of the first splint body.

As shown in fig. 1 to 6, in the present embodiment, three belts are provided, the three belts are sequentially arranged along the length direction of the first splint 3, the number of the first snap rings 303 is four on the first splint body, two first limiting members 304 are provided between two first snap rings 303 in the same row, the first snap rings 303 are provided at both ends of the first splint body in the length direction, and two first snap rings 303 are provided at both ends of the first splint body in the length direction.

As shown in fig. 1 to 5 and 7, the second splint 4 includes a second splint body, and a second buckle 403 and a second limiting member 404 disposed on the second splint body, and the strap passes through the second buckle 403 and the second limiting member 404 is located between the second splint body and the strap. The second buckle ring 403 is of a U-shaped structure, the second buckle ring 403 has a second lacing hole for the lacing to pass through, the second buckle ring 403 is fixedly connected with the second splint body, the second buckle ring 403 extends out towards the outer side of the second splint body, the length direction of the second buckle ring 403 is parallel to the length direction of the second splint body, and the length direction of the second splint body is parallel to the length direction of the first splint body. The second limiting member 404 has a certain length, the length direction of the second limiting member 404 is parallel to the length direction of the second splint body, the second limiting member 404 is of a T-shaped structure, the second limiting member 404 includes a first vertical portion and a second vertical portion connected with each other, the first vertical portion is fixedly connected with the second splint body, the first vertical portion is perpendicular to the second splint body, the second vertical portion has a certain length, the length direction of the second vertical portion is parallel to the length direction of the second splint body, the first vertical portion is fixedly connected with the second vertical portion at a middle position in the length direction of the second vertical portion, the first vertical portion is perpendicular to the second vertical portion, and a certain gap is formed between the second vertical portion and the second splint body.

As shown in fig. 1 to 5 and 7, the strap sequentially passes through the two second buckles 403 on the second splint 4, the two second buckles 403 through which the strap passes are located on the same straight line parallel to the width direction of the second splint body, the second limiting member 404 is located between the two second buckles 403, and a plurality of second limiting members 404 are disposed between the two second buckles 403. The second retaining rings 403 are provided in plural, all the second retaining rings 403 are arranged in plural rows along the length direction of the second splint body, and two second retaining rings 403 are respectively arranged in the plural rows, the two second retaining rings 403 in the same row are located on the same straight line parallel to the width direction of the second splint body, each strap respectively passes through the two second retaining rings 403 in the same row, and a plurality of second limiting members 404 are provided between the two second retaining rings 403 in the same row, and all the second limiting members 404 located between the two second retaining rings 403 are sequentially arranged along the width direction of the second splint body.

As shown in fig. 1 to 5 and 7, in the present embodiment, three belts are provided, the three belts are sequentially arranged along the length direction of the second splint 4, the number of the second retaining rings 403 is four, two second limiting members 404 are provided between two second retaining rings 403 in the same row, two second retaining rings 403 are provided at two ends of the second splint body in the length direction, and two second retaining rings 403 are provided at two ends of the second splint body in the length direction.

As shown in fig. 1 to 5 and 8, the third splint 5 includes a third splint body, and a third buckle 503 and a third limiting member 504 that are disposed on the third splint body, and the strap passes through the third buckle 503 and the third limiting member 504 is located between the third splint body and the strap. The third buckle 503 is a U-shaped structure, the third buckle 503 has a third strap hole for the strap to pass through, the third buckle 503 is fixedly connected with the third splint body, the third buckle 503 extends out towards the outer side of the third splint body, and the length direction of the third buckle 503 is parallel to the length direction of the third splint body. The length direction of the third splint body is parallel to the length direction of the first splint body. The third limiting member 504 has a certain length, the length direction of the third limiting member 504 is parallel to the length direction of the third splint body, the third limiting member 504 is of a T-shaped structure, the third limiting member 504 includes a first vertical portion and a second vertical portion connected with each other, the first vertical portion is fixedly connected with the third splint body, the first vertical portion is perpendicular to the third splint body, the second vertical portion has a certain length, the length direction of the second vertical portion is parallel to the length direction of the third splint body, the first vertical portion is fixedly connected with the second vertical portion at a middle position in the length direction of the second vertical portion, the first vertical portion is perpendicular to the second vertical portion, and a certain gap is formed between the second vertical portion and the third splint body.

As shown in fig. 1 to 5 and 8, the strap sequentially passes through the two third buckles 503 on the third splint 5, the two third buckles 503 through which the strap passes are located on the same straight line parallel to the width direction of the third splint body, the third limiting member 504 is located between the two third buckles 503, and a plurality of third limiting members 504 are disposed between the two third buckles 503. The third retaining rings 503 are provided in plural, all the third retaining rings 503 are arranged in plural rows along the length direction of the third splint body, and two third retaining rings 503 are respectively arranged in the plural rows, the two third retaining rings 503 in the same row are located on the same straight line parallel to the width direction of the third splint body, each strap respectively passes through the two third retaining rings 503 in the same row, and a plurality of third limiting members 504 are provided between the two third retaining rings 503 in the same row, and all the third limiting members 504 located between the two third retaining rings 503 are sequentially arranged along the width direction of the third splint body.

As shown in fig. 1 to 5 and 8, in the present embodiment, three belts are provided, the three belts are sequentially arranged along the length direction of the third splint 5, four third retaining rings 503 are provided on the third splint body, two third limiting members 504 are provided between two third retaining rings 503 in the same row, the third retaining rings 503 are provided at both ends of the third splint body in the length direction, and two third retaining rings 503 are provided at both ends of the third retaining rings 503 in the length direction.

As shown in fig. 1, 6 and 10, the first clamping plate 3 includes a first clamping plate body, the first clamping plate body includes a first outer clamping plate 302 and a first inner clamping plate 301 connected to the first outer clamping plate 302 in an inserting manner, the first outer clamping plate 302 has a first slot for the first inner clamping plate 301 to be embedded in, the first slot extends along the length direction of the first outer clamping plate 302, the length directions of the first outer clamping plate 302 and the first inner clamping plate 301 are parallel, the first limiting member 304 and the first retaining ring 303 are fixedly connected to the first outer clamping plate 302, the first limiting member 304 and the first retaining ring 303 are located on the outer side of the first outer clamping plate 302, and the first inner clamping plate 301 is located on the inner side of the first outer clamping plate 302. The first inner splint 301 includes a first bridge deck 305 and a plurality of first vertical plates connected to the first bridge deck 305 and extending toward one side of the first bridge deck 305, all the first vertical plates are sequentially arranged along the width direction of the first bridge deck 305, the first vertical plates and the first bridge deck 305 extend along the same direction, the length directions of the first vertical plates and the first bridge deck 305 are parallel to the length direction of the first outer splint 302, the first bridge deck 305 is located between the first vertical plates and the first outer splint 302, and the width direction of the first bridge deck 305 is parallel to the width direction of the first outer splint 302. The first vertical plate comprises a first connecting plate 306 and a first supporting plate 307 connected, the first supporting plate 307 is arranged opposite to the first bridge deck 305, the first connecting plate 306 is positioned between the first supporting plate 307 and the first bridge deck 305, the first connecting plate 306 is fixedly connected with the first supporting plate 307 and the first bridge deck 305, and the width of the first supporting plate 307 is smaller than that of the first bridge deck 305. In the present embodiment, the first vertical plates are provided in total of three.

As shown in fig. 1, 7 and 11, the second clamping plate 4 includes a second clamping plate body, the second clamping plate body includes a second outer clamping plate 402 and a second inner clamping plate 401 connected to the second outer clamping plate 402 in a plugging manner, the second outer clamping plate 402 has a second slot for the second inner clamping plate 401 to be inserted into, the second slot extends along the length direction of the second outer clamping plate 402, the length directions of the second outer clamping plate 402 and the second inner clamping plate 401 are parallel, the second limiting member 404 and the second retaining ring 403 are fixedly connected to the second outer clamping plate 402, the second limiting member 404 and the second retaining ring 403 are located on the outer side of the second outer clamping plate 402, and the second inner clamping plate 401 is located on the inner side of the second outer clamping plate 402. The second inner side splint 401 includes a second bridge deck and a second vertical plate connected with the second bridge deck and extending toward one side of the second bridge deck, the second vertical plate is of a T-shaped structure and is provided with a plurality of second vertical plates, all the second vertical plates are sequentially arranged along the width direction of the second bridge deck, the second vertical plates and the second bridge deck extend along the same direction and are arranged in parallel with the length direction of the second outer side splint 402, the second bridge deck is located between the second vertical plates and the second outer side splint 402, and the width direction of the second bridge deck is parallel with the width direction of the second outer side splint 402. The second vertical plate comprises a second connecting plate 406 and a second supporting plate 407 which are connected, the second supporting plate 407 is arranged opposite to the second bridge deck, the second connecting plate 406 is positioned between the second supporting plate 407 and the second bridge deck, the second connecting plate 406 is fixedly connected with the second supporting plate 407 and the second bridge deck, and the width of the second supporting plate 407 is smaller than that of the second bridge deck. In the present embodiment, the second vertical plates are provided in total of three.

As shown in fig. 1, 8 and 12, the third splint 5 includes a third splint body, the third splint body includes a third outer splint 502 and a third inner splint 501 connected to the third outer splint 502 in an inserting manner, the third outer splint 502 has a third slot for the third inner splint 501 to be inserted into, the third slot extends along the length direction of the third outer splint 502, the length directions of the third outer splint 502 and the third inner splint 501 are parallel, the third limiting member 504 and the third retaining ring 503 are fixedly connected to the third outer splint 502, the third limiting member 504 and the third retaining ring 503 are located on the outer side of the third outer splint 502, and the third inner splint 501 is located on the inner side of the third outer splint 502. The third inner splint 501 includes a third bridge deck 505 and a plurality of third vertical plates connected to the third bridge deck 505 and extending toward one side of the third bridge deck 505, all the third vertical plates are sequentially arranged along the width direction of the third bridge deck 505, the third vertical plates and the third bridge deck 505 extend along the same direction, the length directions of the third vertical plates and the third bridge deck 505 are parallel to the length direction of the third outer splint 502, the third bridge deck 505 is located between the third vertical plates and the third outer splint 502, and the width direction of the third bridge deck 505 is parallel to the width direction of the third outer splint 502. The third vertical plate comprises a third connecting plate 506 and a third supporting plate 507 which are connected, the third supporting plate 507 is arranged opposite to the third bridge deck 505, the third connecting plate 506 is positioned between the third supporting plate 507 and the third bridge deck 505, the third connecting plate 506 is fixedly connected with the third supporting plate 507 and the third bridge deck 505, and the width of the third supporting plate 507 is smaller than that of the third bridge deck 505. In the present embodiment, three third vertical plates are provided in total.

As shown in fig. 1, 9 and 13, the fourth splint 6 includes a fourth splint body, the fourth splint body includes a fourth outer splint 602 and a fourth inner splint 601 connected to the fourth outer splint 602 in an inserting manner, the fourth outer splint 602 has a fourth slot for the fourth inner splint 601 to be inserted into, the fourth slot extends along the length direction of the fourth outer splint 602, the length directions of the fourth outer splint 602 and the fourth inner splint 601 are parallel, the tension prompting device and the fourth snap ring 603 are fixedly connected to the fourth outer splint 602, the tension prompting device and the fourth snap ring 603 are located on the outer side of the fourth outer splint 602, and the fourth inner splint 601 is located on the inner side of the fourth outer splint 602. The fourth inner cleat 601 includes a fourth decking 604 and a fourth vertical plate connected to the fourth decking 604 and extending out toward one side of the fourth decking 604, the fourth vertical plate is a plurality of T-shaped structures, all the fourth vertical plates are sequentially arranged along the width direction of the fourth decking 604, the fourth vertical plate and the fourth decking 604 extend along the same direction, and the length directions of the fourth vertical plate and the fourth decking 604 are parallel to the length direction of the fourth outer cleat 602, the fourth decking 604 is located between the fourth vertical plate and the fourth outer cleat 602, and the width direction of the fourth decking 604 is parallel to the width direction of the fourth outer cleat 602. The fourth vertical plate comprises a fourth connecting plate 605 and a fourth supporting plate 606 which are connected, the fourth supporting plate 606 and the fourth bridge deck 604 are arranged oppositely, the fourth connecting plate 605 is located between the fourth supporting plate 606 and the fourth bridge deck 604, the fourth connecting plate 605 is fixedly connected with the fourth supporting plate 606 and the fourth bridge deck 604, and the width of the fourth supporting plate 606 is smaller than that of the fourth bridge deck 604. In the present embodiment, three fourth vertical plates are provided.

As a modified embodiment, as shown in fig. 1, 6 and 14, the first splint body includes a first outer splint 302 and a first inner splint 301 connected to the first outer splint 302 in an inserting manner, the first outer splint 302 has a first slot for inserting the first inner splint 301, the first slot extends along the length direction of the first outer splint 302, the length directions of the first outer splint 302 and the first inner splint 301 are parallel, the first limiting member 304 and the first retaining ring 303 are fixedly connected to the first outer splint 302, the first limiting member 304 and the first retaining ring 303 are located on the outer side of the first outer splint 302, and the first inner splint 301 is located on the inner side of the first outer splint 302. The first inner side clamping plates 301 are in an I-shaped structure, the first inner side clamping plates 301 are arranged in a plurality of numbers, all the first inner side clamping plates 301 are sequentially arranged along the width direction of the first outer side clamping plates 302, correspondingly, the first slots are also arranged in a plurality of numbers, and each first inner side clamping plate 301 is embedded into one first slot. The first inner clip 301 has an i-shaped cross section (the cross section is a section perpendicular to the longitudinal direction of the first inner clip 301). In the present embodiment, the first inner clamp plate 301 is provided in total in two.

As a modified embodiment, as shown in fig. 1, 7 and 15, the second cleat body includes a second outer cleat 402 and a second inner cleat 401 inserted into the second outer cleat 402, the second outer cleat 402 has a second slot for the second inner cleat 401 to be inserted into, the second slot extends along the length direction of the second outer cleat 402, the length directions of the second outer cleat 402 and the second inner cleat 401 are parallel, the second stopper 404 and the second snap ring 403 are fixedly connected to the second outer cleat 402, the second stopper 404 and the second snap ring 403 are located on the outer side of the second outer cleat 402, and the second inner cleat 401 is located on the inner side of the second outer cleat 402. The second inner side splint 401 is provided in plurality for the i-shaped structure and the second inner side splint 401, and all the second inner side splint 401 are arranged in proper order along the width direction of the second outer side splint 402, and correspondingly, the second slot is also provided in plurality, and each second inner side splint 401 is embedded into one second slot respectively. The second inner panel 401 has an i-shaped cross section (a cross section perpendicular to the longitudinal direction of the second inner panel 401). In the present embodiment, two second inner clips 401 are provided.

As a modified embodiment, as shown in fig. 1, 8 and 16, the third splint body includes a third outer splint 502 and a third inner splint 501 inserted into the third outer splint 502, the third outer splint 502 has a third slot into which the third inner splint 501 is inserted, the third slot extends along the length direction of the third outer splint 502, the length directions of the third outer splint 502 and the third inner splint 501 are parallel, the third retaining member 504 and the third retaining ring 503 are fixedly connected to the third outer splint 502, the third retaining member 504 and the third retaining ring 503 are located on the outer side of the third outer splint 502, and the third inner splint 501 is located on the inner side of the third outer splint 502. The third inner splints 501 are i-shaped and the third inner splints 501 are arranged in a plurality, all the third inner splints 501 are arranged in sequence along the width direction of the third outer splint 502, correspondingly, a plurality of third slots are also arranged, and each third inner splint 501 is embedded into one third slot. The third inner panel 501 has an i-shaped cross section (a cross section perpendicular to the longitudinal direction of the third inner panel 501). In the present embodiment, two third inner clips 501 are provided.

As a modified embodiment, as shown in fig. 1, 9 and 17, the fourth cleat body includes a fourth outer cleat 602 and a fourth inner cleat 601 inserted into the fourth outer cleat 602, the fourth outer cleat 602 has a fourth slot for the fourth inner cleat 601 to be inserted into, the fourth slot extends along the length direction of the fourth outer cleat 602, the length directions of the fourth outer cleat 602 and the fourth inner cleat 601 are parallel, a fourth snap ring 603 is fixedly connected to the fourth outer cleat 602 and the fourth snap ring 603 is located on the outer side of the fourth outer cleat 602, and the fourth inner cleat 601 is located on the inner side of the fourth outer cleat 602. The fourth inner splint 601 is of an i-shaped structure, the fourth inner splint 601 is provided with a plurality of slots, all the fourth inner splint 601 are sequentially arranged along the width direction of the fourth outer splint 602, correspondingly, the fourth slots are also provided with a plurality of slots, and each fourth inner splint 601 is respectively embedded into one fourth slot. The fourth inner clip 601 has an i-shaped cross section (the cross section is a section perpendicular to the longitudinal direction of the fourth inner clip 601). In the present embodiment, two fourth inner clips 601 are provided.

As a modified embodiment, as shown in fig. 1, 6 and 18, the first splint body includes a first outer splint 302 and a first inner splint 301 connected to the first outer splint 302 in an inserting manner, the first inner splint 301 has a first slot for the first outer splint 302 to be inserted into, the first slot extends along the length direction of the first inner splint 301, the length directions of the first outer splint 302 and the first inner splint 301 are parallel, the first limiting member 304 and the first retaining ring 303 are fixedly connected to the first outer splint 302, the first limiting member 304 and the first retaining ring 303 are located on the outer side of the first outer splint 302, and the first inner splint 301 is located on the inner side of the first outer splint 302. The first outer clamp 302 has a T-shaped configuration, and the first inner clamp 301 has a "j-shaped" configuration, that is, the first outer clamp 302 has a T-shaped cross section (the cross section is a cross section perpendicular to the longitudinal direction of the first outer clamp 302), and the first inner clamp 301 has a "j-shaped" cross section (the cross section is a cross section perpendicular to the longitudinal direction of the first inner clamp 301).

As a modified embodiment, as shown in fig. 1, 7 and 19, the second cleat body includes a second outer cleat 402 and a second inner cleat 401 inserted into the second outer cleat 402, the second inner cleat 401 has a second slot for the second outer cleat 402 to be inserted into, the second slot extends along the length direction of the second inner cleat 401, the length directions of the second outer cleat 402 and the second inner cleat 401 are parallel, the second stopper 404 and the second snap ring 403 are fixedly connected to the second outer cleat 402, the second stopper 404 and the second snap ring 403 are located on the outer side of the second outer cleat 402, and the second inner cleat 401 is located on the inner side of the second outer cleat 402. The second outer clamp plate 402 has a T-shaped structure, and the second inner clamp plate 401 has a "j-shaped" structure, that is, the second outer clamp plate 402 has a T-shaped cross section (the cross section is a cross section perpendicular to the longitudinal direction of the second outer clamp plate 402), and the second inner clamp plate 401 has a "j-shaped cross section (the cross section is a cross section perpendicular to the longitudinal direction of the second inner clamp plate 401).

As a modified embodiment, as shown in fig. 1, 8 and 20, the third splint body includes a third outer splint 502 and a third inner splint 501 inserted into the third outer splint 502, the third inner splint 501 has a third slot into which the third outer splint 502 is inserted, the third slot extends along the length direction of the third inner splint 501, the length directions of the third outer splint 502 and the third inner splint 501 are parallel, the third retaining member 504 and the third retaining ring 503 are fixedly connected to the third outer splint 502, the third retaining member 504 and the third retaining ring 503 are located on the outer side of the third outer splint 502, and the third inner splint 501 is located on the inner side of the third outer splint 502. The third outer panel 502 has a T-shaped configuration and the third inner panel 501 has a "j-shaped" configuration, i.e., the third outer panel 502 has a T-shaped cross section (the cross section is a section perpendicular to the longitudinal direction of the third outer panel 502), and the third inner panel 501 has a "j-shaped" cross section (the cross section is a section perpendicular to the longitudinal direction of the third inner panel 501).

As a modified embodiment, as shown in fig. 1, 9 and 21, the fourth cleat body includes a fourth outer cleat 602 and a fourth inner cleat 601 inserted into the fourth outer cleat 602, the fourth inner cleat 601 has a fourth slot for the fourth outer cleat 602 to be inserted into, the fourth slot extends along the length direction of the fourth inner cleat 601, the length directions of the fourth outer cleat 602 and the fourth inner cleat 601 are parallel, a fourth snap ring 603 is fixedly connected to the fourth outer cleat 602 and the fourth snap ring 603 is located on the outer side of the fourth outer cleat 602, and the fourth inner cleat 601 is located on the inner side of the fourth outer cleat 602. The fourth outer clip 602 has a T-shaped structure, and the fourth inner clip 601 has a "j-shaped" structure, that is, the fourth outer clip 602 has a T-shaped cross section (the cross section is a section perpendicular to the longitudinal direction of the fourth outer clip 602), and the fourth inner clip 601 has a "j-shaped" cross section (the cross section is a section perpendicular to the longitudinal direction of the fourth inner clip 601).

Fig. 10-21 illustrate various configurations of medial splints having different stiffness levels and varying degrees of stiffness.

As shown in fig. 1 to 3, 22 and 26, the first splint 3 further includes a first clamping seat disposed on the first splint body, and a first middle retaining ring 314 and a first middle retaining member 313 disposed on the first clamping seat, the first shaping rail 7 passes through between the first middle retaining member 313 and the first clamping seat, the strap 1 and the first shaping rail 7 pass through the first middle retaining ring 314 and the first middle retaining member 313 is located between the first shaping rail 7 and the strap 1, the first middle retaining member is located between the two first middle retaining rings, and at least one of the first middle retaining members 313 is disposed between the two first middle retaining rings 314. The first middle buckle 314 is of a U-shaped structure, the first middle buckle 314 is provided with a first strap hole through which the strap passes, the first middle buckle 314 is fixedly connected with the first clamping seat, the first middle buckle 314 extends out towards the outer side of the first clamping seat, and the length direction of the first middle buckle 314 is parallel to the length direction of the first clamping plate body. The first shaping rail 7 has a certain length, one end of the first shaping rail 7 is located at the outer side of the first middle retaining ring 314, the other end of the first shaping rail 7 passes through the space between the first middle limiting part 313 and the first clamping seat, the first clamping plate is sleeved on the first shaping rail 7, and under the pushing or pulling action of an external force, the first clamping plate can move along the length direction of the first shaping rail 7 relative to the first shaping rail 7 to finely adjust the position of the clamping plate. The first middle limiting piece 313 has a certain length, the length direction of the first middle limiting piece 313 is parallel to the length direction of the first clamp body, and a certain gap is formed between the first middle limiting piece 313 and the first clamping seat, so that the first shaping rail 7 can pass through the gap. The first middle limiting part 313 is of a T-shaped structure, the first middle limiting part 313 comprises a first vertical part and a second vertical part which are connected, the first vertical part is fixedly connected with the first clamping seat and is vertical to the first clamping seat, the second vertical part has a certain length, the length direction of the second vertical part is parallel to the length direction of the first clamping seat, the length direction of the second vertical part of the first middle limiting part 313 is parallel to the length direction of the second vertical part of the first limiting part, the first vertical part is fixedly connected with the second vertical part at the middle position of the length direction of the second vertical part and is vertical to the first vertical part, a certain gap is formed between the second vertical part and the first clamping seat, and the first shaping rail 7 penetrates through the gap between the second vertical part and the first clamping seat. The first shaping rail 7 is of a U-shaped structure, a first sliding groove is formed in the center of the first shaping rail 7, the first vertical portion of the first middle limiting part 313 is embedded into the first sliding groove, the first sliding groove extends along the length direction of the first shaping rail 7, one end of the first shaping rail 7 in the length direction is closed, the other end of the first shaping rail 7 in the length direction is connected with the second shaping rail, and the length of the second vertical portion is larger than the width of the first sliding groove and larger than the width of the first shaping rail 7. The strap sequentially passes through the two first middle buckles 314 on the first splint 3, the two first middle buckles 314 through which the strap passes are located on the same straight line parallel to the width direction of the first splint body, the first middle limiting piece 313 is located between the two first middle buckles 314, and a plurality of first middle limiting pieces 313 can be arranged between the two first middle buckles 314. The number of the first middle buckles 314 is two, the first clamping seat is located between two ends of the first clamp body in the length direction, the first shaping rail 7 penetrates through the two first middle buckles 314, and the first shaping rail 7 is clamped between the strap and the first clamping seat.

Preferably, as shown in fig. 1 to 3, 22 and 26, the first splint body includes a first outer splint and a first inner splint, the first outer splint includes a first splint upper section and a first splint lower section, the first clamping seat is detachably connected with the first splint upper section and the first splint lower section, and the length of the first splint body can be changed, so as to adapt to the external fixation treatment requirement of different patients with different arm length changes. First inboard splint are plug-in connection with first splint upper segment and first splint hypomere, first joint seat is constructed to make first inboard splint fixed with first splint upper segment and first splint hypomere, first inboard splint have the multiple specification of rigidity size and/or length size difference, first inboard splint can choose for use the specification of rigidity size difference, or choose for use the specification of length and rigidity size all difference, constitute adjustable splint component, can be in order to adapt to the outer fixed treatment demand of different patient's arm length change and splint rigidity change. The axial fixing rigidity of the splint is adapted to the mechanical strength of the callus, the splint can convert the kinetic energy of the muscle in the transverse direction to the maximum area to generate the return force, the therapeutic principle of 'dynamic and static combination and muscle and bone weight' of the small splint in the traditional Chinese medicine is fully embodied, and the limitation of the manufacturing process is avoided. When the splint is used, the length of the first outer side splint can be determined by cutting the length of the upper section of the first splint and/or the lower section of the first splint according to the length of the limbs of a patient, the first inner side splint suitable for the length and the rigidity is correspondingly rotated, the rigidity of the first outer side splint and the rigidity of the first inner side splint are combined to form a first splint body through the first clamping seat, and the structure is convenient and fast, and the specification of the inner side splint is convenient to replace.

As shown in fig. 1 to 3, 22 and 26, the first clamping seat includes a first bottom plate 308 and a first buckle 309 disposed on the first bottom plate 308, the first buckle upper section and the first buckle lower section both have a first avoidance slot 310 for the first buckle 309 to pass through, the first bottom plate 308 is attached to the first buckle upper section and the first buckle lower section, the first buckle 309 is fixedly connected to the first bottom plate 308, the first buckle 309 is provided with a plurality of buckles, all the buckles 309 extend toward the same side of the first bottom plate 308, all the buckles 309 are disposed on the first bottom plate 308 in two rows and the two rows of buckles 309 are symmetrically disposed, all the buckles 309 in the same row are sequentially disposed along the length direction of the first bottom plate 308 and the length direction of the first bottom plate 308 is parallel to the length direction of the first outer side clamp plate 302 (the length direction of the first clamp body), the first middle retaining ring 314 and the first middle retaining ring 313 are fixedly disposed on the first bottom plate 308 and the first middle retaining ring 314 and the first middle retaining ring 313 are disposed on the first bottom plate 308 The limiting member 313 and the first buckle 309 respectively extend out toward two opposite sides of the first bottom plate 308.

The first avoidance grooves 310 on the upper section of the first clamping plate are grooves which are formed in the upper section of the first clamping plate in a penetrating mode along the thickness direction of the upper section of the first clamping plate, the first avoidance grooves 310 are arranged in a plurality of modes, all the first avoidance grooves 310 are arranged in two rows on the upper section of the first clamping plate, the two rows of the first avoidance grooves 310 are symmetrically arranged, all the first avoidance grooves 310 in the same row are sequentially arranged along the length direction of the upper section of the first clamping plate, the number of the first avoidance grooves 310 is larger than that of the first buckles 309, each first buckle 309 penetrates through one first avoidance groove 310 and then is embedded into a first clamping groove formed in the first inner clamping plate, at least two first buckles 309 on the first clamping seat penetrate through the first avoidance grooves 310 in the upper section of the first clamping plate and then are embedded into first clamping grooves formed in the first inner clamping plate, and the first inner clamping plate is located between the two first buckles 309. The first buckle 309 is of an L-shaped structure, and after the first buckle 309 passes through the first avoidance groove 310 on the upper section of the first clamping plate, the first buckle 309 can hook the first inner side clamping plate, so that the first bottom plate 308 and the first inner side clamping plate are kept in a fit state with the upper section of the first clamping plate, and the upper section of the first clamping plate is clamped between the first bottom plate 308 and the first inner side clamping plate, thereby fixing the first inner side clamping plate and the upper section of the first clamping plate. Similarly, the first avoiding grooves 310 on the lower section of the first splint are grooves penetrating the lower section of the first splint along the thickness direction of the lower section of the first splint, the first avoiding grooves 310 are provided in plurality, all the first avoiding grooves 310 are arranged in two rows on the lower section of the first splint, the two rows of the first avoiding grooves 310 are symmetrically arranged, all the first avoiding grooves 310 in the same row are sequentially arranged along the length direction of the lower section of the first splint, the number of the first avoiding grooves 310 is more than that of the first buckles 309, each first buckle 309 penetrates through one first avoiding groove 310 and then is embedded into the first clamping groove provided on the first inner splint, at least two first buckles 309 on the first clamping seat penetrate through the first avoidance groove 310 on the lower section of the first clamping plate and then are embedded into the first clamping groove arranged on the first inner side clamping plate, and the first inner side clamping plate is positioned between the two first buckles 309. After the first buckle 309 passes through the first avoidance groove 310 on the lower section of the first splint, the first buckle 309 can hook the first inner splint, so that the first bottom plate 308 and the first inner splint and the lower section of the first splint keep a fit state, and the lower section of the first splint is clamped between the first bottom plate 308 and the first inner splint, thereby fixing the first inner splint and the lower section of the first splint. When the length of first outside splint needs to be adjusted, through outwards pulling first buckle 309, make first buckle 309 become flexible, then take first buckle 309 out from first groove 310 of dodging, then can make first joint seat and first splint upper segment and first splint hypomere separation, finally after tailorring the length of first splint upper segment and/or first splint hypomere, make first splint upper segment and first splint hypomere and first inside splint fixed through first joint seat. The length of first splint is conveniently adjusted to this kind of structure, simple structure, convenient operation.

In this embodiment, as shown in fig. 22 and fig. 26, there are four first buckles 309, one first clamping seat is provided, one end of the upper section of the first clamping plate in the length direction is provided with a first snap ring 303 and a first limiting member 304, and is provided with two first snap rings 303 and two first limiting members 304, one end of the lower section of the first clamping plate in the length direction is also provided with a first snap ring 303 and a first limiting member 304, and is provided with two first snap rings 303 and two first limiting members 304, the other end of the upper section of the first clamping plate in the length direction is spliced with the other end of the lower section of the first clamping plate in the length direction, and the four first buckles 309 on the first clamping seat respectively penetrate through the upper section of the first clamping plate and the two first avoiding grooves on the lower section of the first clamping plate and are then embedded into the first clamping grooves on the first inner side clamping plate, so that the upper section of the first clamping plate and the lower section of.

As shown in fig. 1 to 3, 23 and 26, the second splint 4 further includes a second clamping seat disposed on the second splint body, and a second middle retaining ring 414 and a second middle retaining member 413 disposed on the second clamping seat, the first shaping rail 7 and/or the second shaping rail 8 passes through between the second middle retaining member 413 and the second clamping seat, the strap 1 passes through the second middle retaining ring 414, the second middle retaining member 413 is located between the second clamping seat and the strap 1, the second middle retaining member is located between the two second middle retaining rings 414, and at least one of the second middle retaining members 413 is disposed between the two second middle retaining rings 414. The second middle buckle ring 414 is of a U-shaped structure, the second middle buckle ring 414 has a second strap hole through which the strap passes, the second middle buckle ring 414 is fixedly connected with the second clamping seat, the second middle buckle ring 414 extends out towards the outer side of the second clamping seat, and the length direction of the second middle buckle ring 414 is parallel to the length direction of the second splint body. The end of the first shaping rail 7 passes through between the second middle limiting part 413 and the second clamping seat, the second middle limiting part 413 has a certain length, the length direction of the second middle limiting part 413 is parallel to the length direction of the second clamp body, and a certain gap is formed between the second middle limiting part 413 and the second clamping seat, so that the first shaping rail 7 and/or the second shaping rail 8 can pass through. The second middle limiting member 413 is of a T-shaped structure, the second middle limiting member 413 includes a first vertical portion and a second vertical portion connected to each other, the first vertical portion is fixedly connected to the second clamping seat and perpendicular to the second clamping seat, the second vertical portion has a certain length and has a length direction parallel to the length direction of the second clamping seat, the length direction of the second vertical portion of the second middle limiting member 413 is parallel to the length direction of the second vertical portion of the second limiting member, the first vertical portion is fixedly connected to the second vertical portion at a middle position in the length direction of the second vertical portion and perpendicular to the first vertical portion, a certain gap is formed between the second vertical portion and the second clamping seat, and the first shaping rail 7 and/or the second shaping rail 8 pass through the gap between the second vertical portion and the second clamping seat. The first vertical portion of the second middle limiting member 413 is embedded into the first sliding groove of the first shaping rail 7 and/or the second sliding groove of the second shaping rail 8, and the length of the second vertical portion is greater than the widths of the first sliding groove and the second sliding groove and greater than the widths of the first shaping rail 7 and the second shaping rail 8. The strap sequentially passes through the two second middle buckles 414 on the second splint 4, so that the two second middle buckles 414 through which the strap passes are located on the same straight line parallel to the width direction of the second splint body, the second middle limiting member 413 is located between the two second middle buckles 414, and a plurality of second middle limiting members 413 can be arranged between the two second middle buckles 414. The number of the second middle buckles 414 is two, the second clamping seat is located between two ends of the second splint body in the length direction, the first shaping rail 7 and the second shaping rail 8 penetrate through the two second middle buckles 414, and the first shaping rail 7 and the second shaping rail 8 are clamped between the bridle and the second clamping seat.

Preferably, as shown in fig. 1 to 3, 23 and 26, the second splint body includes a second outer splint and a second inner splint, the second outer splint includes a second splint upper section and a second splint lower section, the second clamping seat is detachably connected with the second splint upper section and the second splint lower section, and the length of the second splint body can be changed, so as to adapt to the external fixation treatment requirement of different patients with different arm length changes. The second inner side splint is in plug-in connection with the second splint upper section and the second splint lower section, the second clamping seat is constructed to fix the second inner side splint with the second splint upper section and the second splint lower section, the second inner side splint has multiple specifications with different rigidity sizes and/or length sizes, the second inner side splint can select the specifications with different rigidity sizes, or select the specifications with different length sizes and different rigidity sizes, and an adjustable splint component is formed, so that the external fixation treatment requirements of arm length change and splint rigidity change of different patients can be met. The axial fixing rigidity of the splint is adapted to the mechanical strength of the callus, the splint can convert the kinetic energy of the muscle in the transverse direction to the maximum area to generate the return force, the therapeutic principle of 'dynamic and static combination and muscle and bone weight' of the small splint in the traditional Chinese medicine is fully embodied, and the limitation of the manufacturing process is avoided. When the splint is used, the length of the second outer side splint can be determined by cutting the length of the upper section of the second splint and/or the length of the lower section of the second splint according to the length of the limbs of a patient, the second inner side splint suitable for the length and the rigidity is correspondingly rotated, the rigidity of the second outer side splint and the rigidity of the second inner side splint are combined to form a second splint body through the second clamping seat, and the structure is convenient and fast, and the specification of the inner side splint is convenient to replace.

As shown in fig. 1 to 3, 23 and 26, the second clamping seat includes a second bottom plate 408 and a second buckle 409 disposed on the second bottom plate 408, the second clamp plate upper section and the second clamp plate lower section both have a second avoidance slot 410 for the second buckle 409 to pass through, the second bottom plate 408 is attached to the second clamp plate upper section and the second clamp plate lower section, the second buckle 409 is fixedly connected to the second bottom plate 408, the second buckle 409 is provided in plural and all the second buckles 409 extend toward the same side of the second bottom plate 408, all the second buckles 409 are disposed on the second bottom plate 408 in two rows and the two rows of the second buckles 409 are symmetrically disposed, all the second buckles 409 in the same row are sequentially disposed along the length direction of the second bottom plate 408 and the length direction of the second bottom plate 408 is parallel to the length direction of the second outer side clamp plate 402 (the length direction of the second clamp plate body), the second middle retaining ring 414 and the second middle retaining member 413 are fixedly disposed on the second bottom plate 408 and the second middle retaining ring 414 are disposed on the second middle retaining ring 408 The limiting member 413 and the second buckle 409 respectively extend out toward two opposite sides of the second base plate 408.

The second avoiding grooves 410 on the upper section of the second splint are grooves which are formed in the upper section of the second splint in a penetrating mode along the thickness direction of the upper section of the second splint, the second avoiding grooves 410 are arranged in a plurality of ways, all the second avoiding grooves 410 are arranged in two rows on the upper section of the second splint and the two rows of the second avoiding grooves 410 are symmetrically arranged, all the second avoiding grooves 410 in the same row are sequentially arranged along the length direction of the upper section of the second splint, the number of the second avoiding grooves 410 is more than that of the second buckles 409, each second buckle 409 penetrates through one second avoiding groove 410 and then is embedded into a second clamping groove formed in the second inner splint, at least two second buckles 409 on the second clamping seat penetrate through the second avoiding grooves 410 on the upper section of the second splint and then are embedded into second clamping grooves formed in the second inner splint, and the second inner clamping groove is located between the two second buckles 409. The second buckle 409 is of an L-shaped structure, the second buckle 409 passes through the second avoidance groove 410 on the upper section of the second clamping plate, and then the second buckle 409 can hook the second inner side clamping plate, so that the second bottom plate 408 and the second inner side clamping plate are kept in a fit state with the upper section of the second clamping plate, the upper section of the second clamping plate is clamped between the second bottom plate 408 and the second inner side clamping plate, and the fixation of the second inner side clamping plate and the upper section of the second clamping plate is realized. Similarly, the second avoiding grooves 410 on the lower section of the second splint are grooves which are arranged on the lower section of the second splint in a penetrating manner along the thickness direction of the lower section of the second splint, a plurality of second avoiding grooves 410 are provided, all the second avoiding grooves 410 are arranged on the lower section of the second splint in two rows, the two rows of second avoiding grooves 410 are symmetrically arranged, all the second avoiding grooves 410 on the same row are sequentially arranged along the length direction of the lower section of the second splint, the number of the second avoiding grooves 410 is more than that of the second buckles 409, each second buckle 409 is embedded into a second clamping groove arranged on the second inner splint after passing through one second avoiding groove 410 respectively, at least two second buckles 409 on the second clamping seat penetrate through the second avoiding groove 410 on the lower section of the second clamping plate and then are embedded into a second clamping groove arranged on the second inner side clamping plate, and the second inner side clamping plate is positioned between the two second buckles 409. After the second buckle 409 passes through the second avoidance groove 410 on the lower section of the second splint, the second buckle 409 can hook the second inner side splint, so that the second bottom plate 408 and the second inner side splint are kept in a fitting state with the lower section of the second splint, and the lower section of the second splint is clamped between the second bottom plate 408 and the second inner side splint, thereby fixing the second inner side splint and the lower section of the second splint. When the length of second outside splint needs to be adjusted, through outwards pulling second buckle 409, make second buckle 409 not hard up, then take second buckle 409 out from the second dodges groove 410, then can make second joint seat and second splint upper segment and second splint hypomere separation, finally after tailorring the length of second splint upper segment and/or second splint hypomere, make second splint upper segment and second splint hypomere and second inside splint fixed through second joint seat. The length of the second clamping plate can be conveniently adjusted through the structure, the structure is simple, and the operation is convenient.

In this embodiment, as shown in fig. 23 and fig. 26, there are four second buckles 409, one second buckle holder is provided, one end of the upper section of the second clamping plate in the length direction is provided with a second buckle 403 and a second limiting piece 404, and two second buckles 403 and two second limiting pieces 404, one end of the lower section of the second clamping plate in the length direction is also provided with a second buckle 403 and a second limiting piece 404, and two second buckles 403 and two second limiting pieces 404, the other end of the upper section of the second clamping plate in the length direction is spliced with the other end of the lower section of the second clamping plate in the length direction, and the four second buckles 409 on the second buckle holder pass through the upper section of the second clamping plate and the two first avoiding grooves on the lower section of the second clamping plate respectively and then are embedded into the second clamping grooves on the second inner side clamping plate, so that the upper section of the second clamping plate and the lower section of the second clamping plate are fixed with the second inner.

As shown in fig. 1 to 3, 24 and 26, the third splint 5 further includes a third fastening seat disposed on the third splint body, and a third middle retaining ring 514 and a third middle retaining member 513 disposed on the third fastening seat, the second shaping rail 8 passes through between the third middle retaining member 513 and the third fastening seat, the strap 1 and the second shaping rail 8 pass through the third middle retaining ring 514, the third middle retaining member 513 is located between the second shaping rail 8 and the strap 1, the third middle retaining member is located between the two third middle retaining rings 514, and at least one of the third middle retaining members 513 is disposed between the two third middle retaining rings 514. The third middle buckle 514 is a U-shaped structure, the third middle buckle 514 has a third strap hole for the strap to pass through, the third middle buckle 514 is fixedly connected with the third clamping seat, the third middle buckle 514 extends out towards the outer side of the third clamping seat, and the length direction of the third middle buckle 514 is parallel to the length direction of the third splint body. The second shaping rail 8 has a certain length, one end of the second shaping rail 8 is located outside the third middle buckle 514, the other end of the second shaping rail 8 passes through the third middle limiting part 513 and the first buckle seat, the third clamping plate is sleeved on the second shaping rail 8 and can move along the length direction of the second shaping rail 8 relative to the second shaping rail 8 under the action of external force pushing or pulling, and the position of the clamping plate is finely adjusted. The third middle limiting part 513 has a certain length, the length direction of the third middle limiting part 513 is parallel to the length direction of the third splint body, and a certain gap is formed between the third middle limiting part 513 and the third clamping seat, so that the second shaping rail 8 can pass through the gap. The third middle limiting member 513 is a T-shaped structure, the third middle limiting member 513 includes a first vertical portion and a second vertical portion connected to each other, the first vertical portion is fixedly connected to the third clamping seat, the first vertical portion is perpendicular to the third clamping seat, the second vertical portion has a certain length, the length direction of the second vertical portion is parallel to the length direction of the third clamping seat, the length direction of the second vertical portion of the third middle limiting member 513 is parallel to the length direction of the second vertical portion of the third limiting member, the first vertical portion is fixedly connected to the second vertical portion at a middle position in the length direction of the second vertical portion, the first vertical portion is perpendicular to the second vertical portion, a certain gap is formed between the second vertical portion and the third clamping seat, and the second shaping rail 8 passes through the gap between the second vertical portion and the third clamping seat. The first vertical portion of the third middle limiting member 513 is embedded in the second sliding slot of the second shaping rail 8, and the length of the second vertical portion is greater than the width of the second sliding slot and greater than the width of the second shaping rail 8. The strap sequentially passes through the two third middle buckles 514 on the third splint 5, the two third middle buckles 514 through which the strap passes are located on the same straight line parallel to the width direction of the third splint body, the third middle limiting part 513 is located between the two third middle buckles 514, and a plurality of third middle limiting parts 513 can be arranged between the two third middle buckles 514. The number of the third middle snap rings 514 is two, the third clamping seats are located between two ends of the third splint body in the length direction, and the second shaping rail 8 passes through the two third middle snap rings 514 and the second shaping rail 8 is clamped between the bridle and the third clamping seats.

Preferably, as shown in fig. 1 to 3, 24 and 26, the third splint body includes a third outer splint and a third inner splint, the third outer splint includes a third splint upper section and a third splint lower section, the third clamping seat is detachably connected with the third splint upper section and the third splint lower section, and the length of the third splint body can be changed, so as to adapt to the external fixation treatment requirement of different patients with different arm length changes. The third inner side splint is in plug-in connection with the upper section of the third splint and the lower section of the third splint, the third clamping seat is constructed to fix the third inner side splint with the upper section of the third splint and the lower section of the third splint, the third inner side splint has various specifications with different rigidity and/or length, the third inner side splint can select the specifications with different rigidity or the specifications with different length and rigidity to form an adjustable splint component, and the adjustable splint component can adapt to the external fixation treatment requirements of arm length change and splint rigidity change of different patients. The axial fixing rigidity of the splint is adapted to the mechanical strength of the callus, the splint can convert the kinetic energy of the muscle in the transverse direction to the maximum area to generate the return force, the therapeutic principle of 'dynamic and static combination and muscle and bone weight' of the small splint in the traditional Chinese medicine is fully embodied, and the limitation of the manufacturing process is avoided. When the splint is used, the length of the third outer side splint can be determined by cutting the length of the upper section of the third splint and/or the lower section of the third splint according to the length of the limbs of a patient, the third inner side splint suitable for the length and the rigidity is correspondingly rotated, the third outer side splint and the third inner side splint are combined to form a third splint body through the third clamping seat, and the structure is convenient and fast, and the specification of the inner side splint is convenient to replace.

As shown in fig. 1 to 3, 24 and 26, the third clamping seat includes a third bottom plate 508 and a third buckle 509 disposed on the third bottom plate 508, each of the third upper and lower clamp sections has a third avoidance slot 510 for allowing the third buckle 509 to pass through, the third bottom plate 508 is attached to the third upper and lower clamp sections, the third buckle 509 is fixedly connected to the third bottom plate 508, the third buckle 509 is provided in plural and all the third buckles 509 extend toward the same side of the third bottom plate 508, all the third buckles are arranged in two rows on the third bottom plate 508 and the two rows of the third buckles 509 are symmetrically arranged, all the third buckles in the same row are sequentially arranged along the length direction of the third bottom plate 508 and the length direction of the third bottom plate 508 is parallel to the length direction of the third outer clamp 502 (the length direction of the third clamp body) 514, the third middle retaining ring 509 and the third middle retaining member are fixedly disposed on the third bottom plate 508 and the third middle retaining ring 513 are disposed on the third bottom plate 508 and the third middle retaining ring 514 and the third bottom plate 508 and the third retaining ring 514 are disposed on the third bottom plate 508 The limiting member 513 and the third latch 509 respectively extend toward two opposite sides of the third base plate 508. The third avoiding grooves 510 on the upper section of the third clamping plate are grooves which are formed in the upper section of the third clamping plate in a penetrating manner along the thickness direction of the upper section of the third clamping plate, the third avoiding grooves 510 are provided in a plurality of rows, all the third avoiding grooves 510 are arranged in two rows on the upper section of the third clamping plate, the two rows of the third avoiding grooves 510 are symmetrically arranged, all the third avoiding grooves 510 in the same row are sequentially arranged along the length direction of the upper section of the third clamping plate, the number of the third avoiding grooves 510 is more than that of the third buckles 509, each third buckle 509 penetrates through one third avoiding groove 510 and then is embedded into a third clamping groove formed in the third inner clamping plate, at least two third buckles 509 on the third clamping seat penetrate through the third avoiding grooves 510 on the upper section of the third clamping plate and then are embedded into third clamping grooves formed in the third inner clamping plate, and the third inner clamping plate is located between the two third buckles 509. The third buckle 509 is of an L-shaped structure, and after the third buckle 509 passes through the third avoidance groove 510 on the third splint upper section, the third buckle 509 can hook the third inner splint to keep the third bottom plate 508 and the third inner splint in a fit state with the third splint upper section, so that the third splint upper section is clamped between the third bottom plate 508 and the third inner splint to fix the third inner splint and the third splint upper section. Similarly, the third avoiding grooves 510 on the lower section of the third splint are grooves formed on the lower section of the third splint in a penetrating manner along the thickness direction of the lower section of the third splint, a plurality of the third avoiding grooves 510 are provided, all the third avoiding grooves 510 are arranged in two rows on the lower section of the third splint, the two rows of the third avoiding grooves 510 are symmetrically arranged, all the third avoiding grooves 510 in the same row are sequentially arranged along the length direction of the lower section of the third splint, the number of the third avoiding grooves 510 is more than that of the third buckles 509, each third buckle 509 passes through one third avoiding groove 510 and then is embedded into a third clamping groove formed on the third inner splint, at least two third fasteners 509 are arranged on the third fastening seat, and the third fasteners are inserted into the third fastening grooves arranged on the third inner side clamping plate after passing through the third avoiding groove 510 on the lower section of the third clamping plate, and the third inner side clamping plate is arranged between the two third fasteners 509. After the third buckle 509 passes through the third avoidance groove 510 on the lower section of the third splint, the third buckle 509 can hook the third inner splint, so that the third bottom plate 508 and the third inner splint and the lower section of the third splint keep a fit state, and the lower section of the third splint is clamped between the third bottom plate 508 and the third inner splint, thereby fixing the third inner splint and the lower section of the third splint. When the length of the third outside splint needs to be adjusted, the third buckle 509 is pulled outwards to loosen the third buckle 509, the third buckle 509 is pulled out of the third avoiding groove 510, the third clamping seat can be separated from the upper section of the third splint and the lower section of the third splint, and finally, after the length of the upper section of the third splint and/or the lower section of the third splint is cut, the upper section of the third splint and the lower section of the third splint are fixed with the third inside splint through the third clamping seat. The length of the third clamping plate can be conveniently adjusted through the structure, the structure is simple, and the operation is convenient.

In this embodiment, as shown in fig. 24 and 26, four third fasteners 509 are provided, one third fastening seat is provided, one end of the upper section of the third clamping plate in the length direction is provided with a third retaining ring 503 and a third limiting member 504 and is provided with two third retaining rings 503 and two third limiting members 504, one end of the lower section of the third clamping plate in the length direction is also provided with a third retaining ring 503 and a third limiting member 504 and is provided with two third retaining rings 503 and two third limiting members 504, the other end of the upper section of the third clamping plate in the length direction is spliced with the other end of the lower section of the third clamping plate in the length direction, and the four third fasteners 509 on the third fastening seat penetrate through the upper section of the third clamping plate and the two first avoiding grooves on the lower section of the third clamping plate and are then embedded into the third fastening grooves on the third inner side clamping plate, so that the upper section of the third clamping plate and the lower section of the third clamping plate are fixed with the.

As shown in fig. 1 to 3, 25 and 27, the fourth splint 6 further includes a fourth clamping seat disposed on the fourth splint body, the tension prompting device is disposed on the fourth clamping seat, the fourth splint body includes a fourth outer splint and a fourth inner splint, the fourth outer splint includes a fourth splint upper section and a fourth splint lower section, the fourth clamping seat is detachably connected with the fourth splint upper section and the fourth splint lower section, and the length of the fourth splint body can be changed, so as to adapt to the external fixation treatment requirements of different patients with different arm length changes. The fourth inboard splint are plug-in connection with fourth splint upper segment and fourth splint hypomere, the fourth joint seat is constructed to make fourth inboard splint fixed with fourth splint upper segment and fourth splint hypomere, the fourth inboard splint have the multiple specification of rigidity size and/or length size difference, the different specification of rigidity size can be chooseed for use to the fourth inboard splint, or choose for use the different specification of length size, or choose for use the all different specification of length and rigidity size, constitute adjustable splint component, can be with the outer fixed treatment demand that adapts to different patient's arm length change and splint rigidity change. The axial fixing rigidity of the splint is adapted to the mechanical strength of the callus, the splint can convert the kinetic energy of the muscle in the transverse direction to the maximum area to generate the return force, the therapeutic principle of 'dynamic and static combination and muscle and bone weight' of the small splint in the traditional Chinese medicine is fully embodied, and the limitation of the manufacturing process is avoided. When the combined splint is used, the length of the fourth outer splint can be determined by cutting the length of the upper section of the fourth splint and/or the lower section of the fourth splint according to the length of the limbs of a patient, the fourth inner splint suitable for length and rigidity is correspondingly rotated, the fourth outer splint and the fourth inner splint rigidity are combined to form a fourth splint body through the fourth clamping seat, and the combined splint is convenient and fast in structure and convenient to replace the specification of the inner splint.

As shown in fig. 1 to 3, 25 and 27, the fourth clamping seat includes a fourth bottom plate 607 and a fourth buckle 608 disposed on the fourth bottom plate 607, each of the fourth clamp upper section and the fourth clamp lower section has a fourth evasion slot 609 for the fourth buckle 608 to pass through, the fourth bottom plate 607 is attached to the fourth clamp upper section and the fourth clamp lower section, the fourth buckle 608 is fixedly connected to the fourth bottom plate 607, the fourth buckle 608 is provided in plural and all the fourth buckles 608 extend toward the same side of the fourth bottom plate 607, all the fourth buckles 608 are disposed on the fourth bottom plate 607 in two rows and the four rows of the fourth buckles 608 are symmetrically disposed, all the fourth buckles 608 in the same row are sequentially disposed along the length direction of the fourth bottom plate 607 and the length direction of the fourth bottom plate 607 is parallel to the length direction of the fourth outer side clamp 602 (the length direction of the fourth clamp body), the fourth middle retaining ring 610 and the fourth middle retaining ring 613 are fixedly disposed on the fourth bottom plate 607 and the fourth middle retaining ring 610 and the fourth middle retaining ring 613 are disposed on the fourth middle bottom plate 607 The limiting member 613 and the fourth latch 608 respectively extend toward two opposite sides of the fourth bottom plate 607. The fourth avoiding grooves 609 on the upper section of the fourth clamping plate are grooves which are formed in the upper section of the fourth clamping plate in a penetrating mode along the thickness direction of the upper section of the fourth clamping plate, the number of the fourth avoiding grooves 609 is multiple, all the fourth avoiding grooves 609 are arranged in two rows on the upper section of the fourth clamping plate, the four rows of the fourth avoiding grooves 609 are symmetrically arranged, all the fourth avoiding grooves 609 in the same row are sequentially arranged along the length direction of the upper section of the fourth clamping plate, the number of the fourth avoiding grooves 609 is more than that of the fourth clamping buckles 608, each fourth clamping buckle 608 penetrates through one fourth avoiding groove 609 and then is embedded into a fourth clamping groove arranged on the fourth inner clamping plate, at least two fourth clamping buckles 608 on the fourth clamping seat penetrate through the fourth avoiding grooves 609 on the upper section of the fourth clamping plate and then are embedded into a fourth clamping groove arranged on the fourth inner clamping plate, and the fourth inner clamping groove is located between the two fourth clamping buckles 608. The fourth buckle 608 is an L-shaped structure, and after the fourth buckle 608 passes through the fourth avoidance groove 609 on the fourth splint upper section, the fourth buckle 608 can hook the fourth inner splint, so that the fourth bottom plate 607 and the fourth inner splint and the fourth splint upper section maintain a fit state, and the fourth splint upper section is clamped between the fourth bottom plate 607 and the fourth inner splint, thereby fixing the fourth inner splint and the fourth splint upper section. Similarly, the fourth avoiding grooves 609 on the lower section of the fourth splint are grooves formed on the lower section of the fourth splint in a penetrating manner along the thickness direction of the lower section of the fourth splint, a plurality of fourth avoiding grooves 609 are formed, all the fourth avoiding grooves 609 are arranged on the lower section of the fourth splint in two rows, the four fourth avoiding grooves 609 in the same row are symmetrically arranged along the length direction of the lower section of the fourth splint, the number of the fourth avoiding grooves 609 is more than that of the fourth buckles 608, each fourth buckle 608 passes through one fourth avoiding groove 609 and then is embedded into a fourth clamping groove formed on the fourth inner splint, at least two fourth fasteners 608 of the fourth fastening seat penetrate through a fourth avoiding groove 609 on the lower section of the fourth clamping plate and then are embedded into a fourth fastening groove arranged on the fourth inner clamping plate, and the fourth inner clamping plate is positioned between the two fourth fasteners 608. After the fourth buckle 608 passes through the fourth avoidance groove 609 on the lower section of the fourth splint, the fourth buckle 608 can hook the fourth inner splint, so that the fourth bottom plate 607 and the fourth inner splint keep a fit state with the lower section of the fourth splint, and the lower section of the fourth splint is clamped between the fourth bottom plate 607 and the fourth inner splint, thereby fixing the fourth inner splint and the lower section of the fourth splint. When the length of the fourth outside splint needs to be adjusted, the fourth buckle 608 is pulled outwards to loosen the fourth buckle 608, the fourth buckle 608 is then pulled out of the fourth avoiding groove 609, the fourth clamping seat can be separated from the upper section of the fourth splint and the lower section of the fourth splint, and finally, after the length of the upper section of the fourth splint and/or the lower section of the fourth splint is cut, the upper section of the fourth splint and the lower section of the fourth splint are fixed with the fourth inside splint through the fourth clamping seat. The length of the fourth splint is conveniently adjusted to this kind of structure, simple structure, convenient operation.

In this embodiment, as shown in fig. 25 and 27, four fourth buckles 608 are provided, one fourth clamping seat is provided, one fourth retaining ring 603 is provided at one end of the upper section of the fourth clamping plate in the length direction, one fourth retaining ring 603 is also provided at one end of the lower section of the fourth clamping plate in the length direction, the other end of the upper section of the fourth clamping plate in the length direction is spliced with the other end of the lower section of the fourth clamping plate in the length direction, and the four fourth buckles 608 on the fourth clamping seat penetrate through the two first avoidance grooves on the upper section of the fourth clamping plate and the lower section of the fourth clamping plate respectively and then are embedded into the fourth clamping groove on the fourth inner clamping plate, so that the upper section of the fourth clamping plate and the lower section of the fourth clamping plate are fixed with the fourth inner clamping plate.

Through setting each splint to length-adjustable, only need make the splint of same standard length, can cut out the length of splint according to the in-service use needs, need not make the multiple splint of length variation in size, cut out wantonly and to reduce the storage volume, it is nimble convenient to use.

As shown in fig. 1 to 5, the transverse coupling device further includes a guide 9 disposed on the second clamping plate, the first shaping rail 7 and the second shaping rail 8 pass through the guide, the first shaping rail 7 and the second shaping rail 8 are fixedly connected, and the guide is sandwiched between the second middle stop 413 and the second clamping seat. The guide member passes through between the second vertical portion of the second middle limiting member 413 and the second bottom plate 408, and the first vertical portion of the second middle limiting member 413 is embedded into the first sliding groove of the first shaping rail 7 and the second sliding groove of the second shaping rail 8. The guide 9 is a hollow member with two open ends, the guide 9 is fixed between the second middle limiting part 413 and the second bottom plate 408, the guide 9 has a certain length, the length direction of the guide 9 is parallel to the width direction of the second splint body, the guide is provided with two parallel parts, the first vertical part of the second middle limiting part 413 is located between the two guide parts, the first shaping rail 7 and the second shaping rail 8 are fixedly connected to form an integrated structure, the guide 9 plays a role in guiding the first shaping rail 7 and the second shaping rail 8 to guide the first shaping rail 7 and the second shaping rail 8 to move, the guide 9 plays a role in protecting the first shaping rail 7 and the second shaping rail 8, and the first shaping rail 7 and the second shaping rail 8 connect the first splint, the second splint and the third splint into a whole.

As shown in fig. 1 and fig. 28 to fig. 31, the external fixing device for the small splint in traditional chinese medicine of the present invention further includes a locking device, the locking device includes an insertion sheet 11, a locking support 10 connected with the insertion sheet 11 and a clamping member rotatably disposed on the locking support 10 and used for cooperating with the locking support 10 to clamp the band, the locking support 10 has a first avoiding hole 16 and a second avoiding hole 17 for the band to pass through, the clamping member includes a rotating plate 12 rotatably connected with the locking support 10 and a first clamping plate 13 disposed on the rotating plate 12 and used for inserting into the first avoiding hole 16, a second clamping plate 14 used for inserting into the second avoiding hole 17 and a locking hook plate 15 used for keeping the clamping member and the locking support in a locked state. The inserting sheet 11 is used for being inserted into a fifth slot, the fifth slot is a groove formed in the fourth clamping seat or the tension prompting device, and the inserting sheet 11 is connected with the fourth clamping seat or the tension prompting device so as to form connection with a fourth clamping plate. Three belts are arranged, wherein one end of each of the two belts is fixedly connected with the fourth buckle 603, one end of the other belt is fixedly connected with the fourth middle buckle 610, the other end of each of the three belts is a free end, when in use, the first splint 3, the second splint 4, the third splint 5 and the fourth splint 6 are fastened on the forearm of the human body by the bridle, the free end of the bridle can sequentially pass through the third splint 5, the second splint 4 and the first splint 3 after sequentially passing through the first splint 3, the second splint 4, the third splint 5 and the locking device, after the binding force of the strap is adjusted to a proper value, the strap is finally clamped by the locking device, so that the circumferential length of the strap is fixed (the circumferential length of the strap refers to the length between the fixed end of the strap fixedly connected with the fourth buckle 603 (or the fourth middle buckle 610) and the part of the strap clamped by the locking device), and the fourth buckle 603 and the fourth middle buckle 610 are on the same straight line parallel to the length direction of the fourth splint.

As shown in fig. 28 to 31, the insert 11 is rotatably connected to the locking bracket 10, the locking bracket 10 is rotatable relative to the insert 11, a rotation center line of the locking bracket 10 when rotating is parallel to a length direction of the fourth clamping plate, the locking bracket 10 is located outside the fourth clamping plate, the rotating plate 12 is rotatably connected to the locking bracket 10, and the rotating plate 12 is rotatable relative to the locking bracket 10, and the rotation center line of the rotating plate 12 is parallel to the length direction of the fourth clamping plate. The first avoidance hole 16 and the second avoidance hole 17 are through holes penetrating through the locking support 10, the first avoidance hole 16 is located between the inserting sheet 11 and the second avoidance hole 17, the first avoidance hole 16 and the second avoidance hole 17 have certain lengths, the length directions of the first avoidance hole 16 and the second avoidance hole 17 are parallel to the rotation center line of the rotating plate 12, the length of the first avoidance hole 16 and the second avoidance hole 17 is larger than the width of the strap, the length of the first avoidance hole 16 and the length of the second avoidance hole 17 are the same, and the formed locking support 10 is roughly in a structure shaped like a Chinese character 'ri'. When the binding tool is used, the free end of the binding belt sequentially penetrates through the third clamping plate 5 and then penetrates through the first avoiding hole 16 of the locking support 10, then the free end of the binding belt is reversely folded and penetrates through the second avoiding hole 17 of the locking support 10, and after the free end of the binding belt penetrates out of the second avoiding hole 17, the free end of the binding belt can sequentially penetrate through the third clamping plate 5, the second clamping plate 4 and the first clamping plate 3. The clamping piece is arranged to be capable of being switched between an opening position and a buckling position, when the clamping piece is located at the opening position, the clamping piece can freely rotate relative to the locking support 10, at the moment, the clamping piece and the locking support 10 cannot clamp the strap, so that the strap can be pulled and pulled to adjust the restraining force, and the strap can move in the first avoidance hole 16 and the second avoidance hole 17 of the locking support 10; after the binding force of the belt is adjusted properly, the clamping piece is switched from the opening position to the buckling position, the clamping piece can be matched with the locking support 10 at the moment to clamp the belt, and the belt cannot be pulled and pulled, so that the surrounding circumference of the belt is fixed. When the clamping piece is in an opening position, the first clamping plate 13 is inserted into the first avoidance hole 16, the second clamping plate 14 is inserted into the second avoidance hole 17, the first clamping plate 13 applies pressure to the strap to enable the strap to be attached to the locking support 10, the second clamping plate 14 applies pressure to the strap to enable the strap to be attached to the locking support 10, and one part of the strap is located between the first clamping plate 13 and the second clamping plate 14. The rotating plate 12 has a certain length and width, the length direction of the rotating plate 12 is parallel to the rotation center line thereof, the length direction of the rotating plate 12 is perpendicular to the width direction thereof, one end of the rotating plate 12 in the width direction is fixedly connected with the locking support 10, the locking hook plate 15 is fixedly connected with the other end of the rotating plate 12 in the width direction, the first clamping plate 13 and the second clamping plate 14 both have a certain length and width, the length directions of the first clamping plate 13 and the second clamping plate 14 are parallel to the length direction of the rotating plate 12, the first clamping plate 13, the second clamping plate 14 and the locking hook plate 15 extend towards the same side of the rotating plate 12, the second clamping plate 14 is positioned between the first clamping plate 13 and the locking hook plate 15, the first clamping plate 13, the second clamping plate 14 and the locking hook plate 15 are sequentially arranged in the width direction of the rotating plate 12, and the first clamping plate 13 is located between the second clamping plate 14 and the end of the rotating plate 12 rotatably connected to the locking bracket 10. The width direction of the first clamping plate 13 is perpendicular to the length direction of the first clamping plate, the width direction of the second clamping plate 14 is perpendicular to the length direction of the second clamping plate, the width direction of the first clamping plate 13 is parallel to the width direction of the second clamping plate 14, the width directions of the first clamping plate 13 and the second clamping plate 14 are perpendicular to the length direction and the width direction of the rotating plate 12, the width of the first clamping plate 13 is smaller than that of the second clamping plate 14, and a certain distance is reserved between the first clamping plate 13 and the second clamping plate 14.

As shown in fig. 28 to 31, a certain distance is provided between the latch plate 15 and the second clamping plate 14, the latch plate 15 has a certain length and width, the length direction of the latch plate 15 is parallel to the length direction of the rotating plate 12, the width direction of the latch plate 15 is parallel to the width direction of the second clamping plate 14, preferably, the first end of the latch plate 15 is fixedly connected with the rotating plate 12, the second end of the latch plate 15 is in a hook-shaped structure, the first end and the second end of the latch plate 15 are opposite ends of the latch plate 15 in the width direction, and the second end of the latch plate 15 is used for hooking the locking support 10 when the clamping member is in the locking position, so that the clamping member is kept in the locking position, and the clamping member and the locking support 10 are kept in the state of clamping the strap, thereby avoiding loosening the strap, which is convenient, fast, safe and reliable.

The external fixing device for the traditional Chinese medicine small splint has the following advantages:

1. the binding is carried out by adopting a single binding belt, so that the position of the clamping plate can be conveniently adjusted, and the sensitivity of the restraining force ring is kept; the locking device is used for limiting the looseness of the binding belt, so that the reliability of the clamping plate device for restraining the force ring is guaranteed;

2. the transverse connecting device enables the whole splint device to be shaped according to the transverse biological shape of the arm of a patient before being fixed and worn outside, the splint is positioned according to the position where the splint is to be placed, the transverse connecting device is mainly connected with a first splint component, a second splint component and a third splint component, the splint device can be supported on the affected limb from bottom to top after being shaped, painless wearing is formed, and the ring buckle and the limiting part structure are used for limiting the splint to slide freely;

3. the aluminum alloy rail is adopted to transversely shape and position the clamping plate, so that the simplicity of external fixing operation is improved.

Claims (10)

1. Traditional chinese medical science splint external fixation device, including first splint, second splint, third splint, fourth splint and be used for setting up the band on human arm with first splint, second splint, third splint and fourth splint, its characterized in that: the transverse connecting device comprises a first shaping rail used for positioning the first clamping plate and a second shaping rail used for positioning the third clamping plate, the first shaping rail and the second shaping rail penetrate into the second clamping plate, and the second clamping plate is located between the first clamping plate and the third clamping plate.

2. The external fixation device of the small splint in traditional Chinese medicine according to claim 1, characterized in that: the first clamping plate comprises a first clamping plate body, a first buckle and a first limiting part, wherein the first buckle and the first limiting part are arranged on the first clamping plate body, the belt passes through the first buckle, the first limiting part is located between the first clamping plate body and the belt, the first limiting part is located between the two first buckles, and the first limiting part is at least arranged between the two first buckles.

3. The external fixation device of the small splint in traditional Chinese medicine according to claim 2, characterized in that: the first clamp plate further comprises a first clamping seat arranged on the first clamp plate body, and a first middle retaining ring and a first middle limiting part which are arranged on the first clamping seat, the first shaping rail penetrates through the first middle limiting part and the first clamping seat, the binding belt and the first shaping rail penetrate through the first middle retaining ring, the first middle limiting part is positioned between the first shaping rail and the binding belt, the first middle limiting part is positioned between the two first middle retaining rings, and at least one first middle limiting part is arranged between the two first middle retaining rings; the length of first splint body can change, and first splint body includes first outside splint and first inboard splint, and first outside splint include first splint upper segment and first splint hypomere, and first joint seat is detachable connection with first splint upper segment and first splint hypomere.

4. The external fixation device of the small splint in traditional Chinese medicine according to claim 2, characterized in that: the second clamping plate comprises a second clamping plate body, and a second snap ring and a second limiting piece which are arranged on the second clamping plate body, and the bridle passes through the second snap ring and the second limiting piece is positioned between the second clamping plate body and the bridle; the second limiting piece is located between the two second retaining rings, and at least one second limiting piece is arranged on each of the two second retaining rings.

5. The external fixation device of the small splint in traditional Chinese medicine according to claim 4, wherein: the second clamp plate further comprises a second clamping seat arranged on the second clamp plate body, and a second middle retaining ring and a second middle limiting part which are arranged on the second clamping seat, the first shaping rail and/or the second shaping rail penetrates through the second middle limiting part and the second clamping seat, the bridle penetrates through the second middle retaining ring, the second middle limiting part is positioned between the second clamping seat and the bridle, the second middle limiting part is positioned between the two second middle retaining rings, and at least one second middle limiting part is arranged between the two second middle retaining rings; the length of second splint body can change, and the second splint body includes the inboard splint of second outside splint and second, and the outside splint of second includes second splint upper segment and second splint hypomere, and second joint seat is detachable connection with second splint upper segment and second splint hypomere.

6. The external fixation device of the small splint in traditional Chinese medicine according to claim 5, wherein: the transverse connecting device further comprises a guide piece arranged on the second clamping plate, the first shaping rail and the second shaping rail penetrate through the guide piece and are fixedly connected, and the guide piece is clamped between the second middle limiting piece and the second clamping seat.

7. The external fixation device of the small splint in traditional Chinese medicine according to claim 5, wherein: the third splint comprises a third splint body, a third buckle and a third limiting part, the third buckle and the third limiting part are arranged on the third splint body, the strap passes through the third buckle, the third limiting part is located between the second shaping rail and the strap, the third limiting part is located between the two third buckles, and the third limiting part is at least arranged between the two third buckles.

8. The external fixation device of the small splint in traditional Chinese medicine of claim 7, wherein: the third clamping plate further comprises a third clamping seat arranged on the third clamping plate body, and a third middle snap ring and a third middle limiting part which are arranged on the third clamping seat, the second shaping rail penetrates through the third middle limiting part and the third clamping seat, the strap and the second shaping rail penetrate through the third middle snap ring, the third middle limiting part is positioned between the second shaping rail and the strap, the third middle limiting part is positioned between the two third middle snap rings, and at least one third middle limiting part is arranged between the two third middle snap rings; the length of third splint body can change, and the third splint body includes third outside splint and the inboard splint of third, and third outside splint include third splint upper segment and third splint hypomere, and third joint seat is detachable connection with third splint upper segment and third splint hypomere.

9. The external fixation device of the small splint in traditional chinese medicine of claim 8, wherein: the third inner side splint is in plug connection with the third splint upper section and the third splint lower section, the third clamping seat is constructed to fix the third inner side splint with the third splint upper section and the third splint lower section, and the third inner side splint has a plurality of specifications with different rigidity and/or length.

10. The external fixator of a splint according to any of claims 1 to 9, wherein: the locking device comprises an inserting piece, a locking support connected with the inserting piece and a clamping piece which is rotatably arranged on the locking support and is used for being matched with the locking support to clamp the strap, the locking support is provided with a first avoiding hole and a second avoiding hole for the strap to pass through, the clamping piece comprises a rotating plate connected with the locking support in a rotating mode, a first clamping plate arranged on the rotating plate and used for being inserted into the first avoiding hole, a second clamping plate used for being inserted into the second avoiding hole and a locking hook plate used for enabling the clamping piece and the locking support to be kept in a buckling state.

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