CN213156340U

CN213156340U - External fixing support

Info

Publication number: CN213156340U
Application number: CN202021127619.6U
Authority: CN
Inventors: 武爽; 史春宝; 郭静; 王振国; 付晓君
Original assignee: Hebei Chunli Hangnuo New Material Technology Co ltd
Current assignee: Hebei Chunli Hangnuo New Material Technology Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-05-11
Anticipated expiration: 2030-06-17

Abstract

The utility model relates to the technical field of medical equipment, a external fixation support is provided. The method comprises the following steps: the device comprises a near-end ring, a far-end ring and a plurality of adjusting extension rods, wherein six earrings are respectively arranged on the near-end ring and the far-end ring, and the adjusting extension rods are respectively connected with the earrings of the near-end ring and the far-end ring through universal joints at two ends; the upper side and the lower side of the near-end ring are respectively provided with a bone needle II, and the upper side of the near-end ring is also provided with a bone needle I; the upper side and the lower side of the distal ring are respectively provided with a second spicule, and the lower side of the distal ring is also provided with a first spicule; the bone needle I is in threaded connection with a human bone, and the bone needle II penetrates through the human bone. The beneficial effects of the utility model reside in that: the positions of the plurality of adjusting extension rods can be selected and arranged on the near-end ring and the far-end ring according to the operation requirement so as to meet the operation requirement; meanwhile, the two spicules can also utilize the fixed needle seat and the upright post to adjust the installation position and the installation height.

Description

External fixing support

Technical Field

The utility model relates to the technical field of medical equipment, more specifically say, relate to an external fixation support.

Background

Firstly, the Stewart platform and the Chasles theory are applied to orthopedics by Taylor, an iligarov external fixing system is improved, 6 fixing rings which can freely rotate and stretch at joints are used for connecting a far end and a near end of each supporting rod, and the external fixing system is called a Taylor space external fixing support. The taylor space external fixation support is composed of two full rings or partial rings, 6 telescopic supporting rods are applied and connected through universal joints, and one ring can be repositioned relative to the other ring only by adjusting the length of the supporting rods. The framework structure is combined with a special software program, so that various fracture displacement, bone nonunion and deformity healing can be accurately treated clinically. With continuous improvement and perfection, the concept of deformity correction is also integrated. The technology has been developed into a mature technology, and is increasingly applied to the correction of limb fractures, particularly limb deformities in European and American countries.

The taylor space external fixation support consists of two full rings or partial rings, using 6 telescopic support rods, connected by universal joints, one ring being repositionable relative to the other ring only by adjusting the length of the support rods. The same frame can be applied to the treatment of simple or complex deformity, a specific angulation and displacement composite deformity can be corrected only by adjusting the length of the supporting rod, the supporting rod is of a six-axis parallel structure and has the characteristics of high rigidity, good stability, high precision, strong bearing capacity and the like, and in actual use, the selection of components of the Taylor bracket, the installation mode and the structure are more critical. However, the installation process is relatively complex, individual installation is generally needed, olive needles and thin kirschner wires are used as fixing needles in many cases, and the number of steel needles, the needle insertion direction, the span and the limb conditions need to be considered. In addition, the mounting process of the support is complex, and the complex and malformed mounting can be smoothly completed by proper adjustment, configuration change and component addition. And the change of angulation, the distance of support after the support installation, the length that needs to adjust the bracing piece is adjusted to adjust, and ordinary taylor support 6 minimum regulation bracing pieces, the length of adjustment, adjust which several poles have higher requirements to clinician's operation experience.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an external fixation support to solve the technical problem who exists among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: an external fixation bracket comprising: the adjustable extension rod is connected with the ear rings of the near-end ring and the far-end ring through universal joints at two ends; the upper side and the lower side of the near-end ring are respectively provided with a bone needle II, and the upper side of the near-end ring is also provided with a bone needle I; the upper side and the lower side of the distal ring are respectively provided with a second spicule, and the lower side of the distal ring is also provided with a first spicule; the bone needle I is in threaded connection with a human bone, and the bone needle II penetrates through the human bone; the bone needle I and the bone needle II are metal Kirschner wires or Steiny wires, and the diameter of the bone needle I is larger than that of the bone needle II.

In an alternative embodiment, three mounting holes are respectively formed in each ear ring, and the universal joint can be mounted in each mounting hole through a bolt.

In an alternative embodiment, the proximal ring comprises a first ear ring, a second ear ring, a third ear ring, a fourth ear ring, a fifth ear ring, and a sixth ear ring; the distal end loop comprises a seventh ear loop, an eighth ear loop, a ninth ear loop, a tenth ear loop, an eleventh ear loop and a twelfth ear loop; the adjusting extension rod comprises a first adjusting extension rod, a second adjusting extension rod, a third adjusting extension rod, a fourth adjusting extension rod, a fifth adjusting extension rod and a sixth adjusting extension rod.

In an alternative embodiment, the universal joint at the upper end of the first adjusting extension rod is connected with the first right mounting hole of the first earring, the universal joint at the lower end of the first adjusting extension rod is connected with the first right mounting hole of the twelfth earring, the universal joint at the upper end of the second adjusting extension rod is connected with the first left mounting hole of the first earring, the universal joint at the lower end of the second adjusting extension rod is connected with the first right mounting hole of the eighth earring, the universal joint at the upper end of the third adjusting extension rod is connected with the first right mounting hole of the third earring, the universal joint at the lower end of the third adjusting extension rod is connected with the first left mounting hole of the eighth earring, the universal joint at the upper end of the fourth adjusting extension rod is connected with the first left mounting hole of the third earring, the universal joint at the lower end of the fourth adjusting extension rod is connected with the first left mounting hole of the tenth earring, and the universal joint at the upper end of the fifth adjusting extension rod is connected with the first left mounting hole, the universal joint at the lower end of the fifth adjusting extension rod is connected with the first right mounting hole of the tenth earring, the universal joint at the upper end of the sixth adjusting extension rod is connected with the first right mounting hole of the fifth earring, and the universal joint at the lower end of the sixth adjusting extension rod is connected with the first left mounting hole of the twelfth earring.

In an optional embodiment, the near-end ring and the far-end ring are respectively provided with a plurality of second mounting holes, and each second bone needle is respectively mounted on the second mounting holes which are symmetrically arranged through two fixed needle seats.

In an optional embodiment, the upper side of the near-end ring and the lower side of the far-end ring are respectively provided with a stand column through a second mounting hole, the stand column is provided with a plurality of third mounting holes, and the first spicule is mounted in the third mounting hole through a bushing.

In an optional embodiment, the adjusting extension rod is provided with scale lines for indicating length, and the adjusting extension rod is further provided with an identification card for distinguishing the serial numbers of the adjusting extension rods.

In an alternative embodiment, the external fixation frame is installed and adjusted by using matched software in cooperation with the operation of the external fixation frame.

The beneficial effects of the utility model reside in that:

(1) the utility model provides an external fixation support's near-end ring and distal end ring are the becket of taking the round hole, adjust universal joint on the extension rod and pass through the bolt fastening on near-end ring and distal end ring, six adjust the extension rod and can select to install in appropriate mounting hole according to the operation needs to satisfy the operation requirement. Meanwhile, the two spicules can also select proper mounting holes by utilizing the fixed needle base and the upright post, and the mounting position and the mounting height are adjusted.

(2) The utility model provides an outer fixed bolster's regulation extension rod not only can stretch out and draw back, and still be equipped with the scale that represents the extension rod current length and the sign card that is used for distinguishing the serial number of respectively adjusting the extension rod, makes things convenient for the regulation in the treatment process.

(3) The utility model provides an external fixation support can add computer software and make the fracture reposition and deformity correction more accurate, and six corrections that can be carried out can correct four-dimensional deformity (angulation, dislocation, rotation and foreshortening or separation) simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of an external fixation bracket according to an embodiment of the present invention.

Fig. 2 is a schematic view of an overall structure of an external fixing bracket according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of an adjusting extension rod according to an embodiment of the present invention.

Wherein, the reference numbers in the figures are: 1. the bone needle comprises a bone needle I, 2, a stand column, 3, a human bone, 4, a near-end ring, 5, a bolt, 6, a universal joint, 7, a first adjusting extension rod, 8, a far-end ring, 9, a fixing needle seat, 10, a bone needle II, 11, a bushing, 12, a mounting hole III, 13, a mounting hole I, 14, a mounting hole II, 15, an identification card, 16, a second adjusting extension rod, 17, a third adjusting extension rod, 18, a fourth adjusting extension rod, 19, a fifth adjusting extension rod, 20, a sixth adjusting extension rod, 21, a first earring, 22, a second earring, 23, a third earring, 24, a fourth earring, 25, a fifth earring, 26, a sixth earring, 27, a seventh earring, 28, an eighth earring, 29, a ninth earring, 30, a tenth earring, 31, an eleventh earring, 32 and a twelfth earring.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

Referring to fig. 1-3, an object of the present embodiment is to provide an external fixing bracket, including: the device comprises a near-end ring 4, a far-end ring 8 and a plurality of adjusting extension rods, wherein six ear rings are respectively arranged on the near-end ring 4 and the far-end ring 8, preferably, the ear rings are circular rings or semicircular rings, and in the embodiment, the ear rings are semicircular rings; a plurality of universal joints 6 that adjust the extension rod and pass through the both ends connect the earrings of near-end ring 4 and distal end ring 8 respectively, adjust and be equipped with the scale mark that indicates length on the extension rod, still be equipped with the sign card 15 that is used for distinguishing each regulation extension rod serial number on adjusting the extension rod, adjust the extension rod and make the length after the pole extension reflect to there is sign card 15 to be used for distinguishing the serial number of pole, the accuracy when making the post-installation adjustment stage distinguish the regulation pole and stretch out and draw back is protected.

Specifically, two bone needles 10 are respectively installed on the upper side and the lower side of the near end ring 4, and a bone needle 1 is also installed on the upper side of the near end ring 4. The first bone needle 1 and the second bone needle 10 are metal Kirschner wires or Steiny needles, and the diameter of the first bone needle 1 is larger than that of the second bone needle 10.

It should be noted that each ear ring is provided with three mounting holes one 13, the universal joint 6 can be mounted in each mounting hole one 13 through the bolt 5, and the adjusting extension rod can be mounted in different mounting holes one 13, so that a plurality of different mounting modes can be realized. In this embodiment, the proximal loop 4 comprises a first ear loop 21, a second ear loop 22, a third ear loop 23, a fourth ear loop 24, a fifth ear loop 25 and a sixth ear loop 26; the distal end loop 8 comprises a seventh ear loop 27, an eighth ear loop 28, a ninth ear loop 29, a tenth ear loop 30, an eleventh ear loop 31 and a twelfth ear loop 32; the adjustable extension poles include a first adjustable extension pole 7, a second adjustable extension pole 16, a third adjustable extension pole 17, a fourth adjustable extension pole 18, a fifth adjustable extension pole 19, and a sixth adjustable extension pole 20. The universal joint 6 at the upper end of the first adjusting extension rod 7 is connected with the first right mounting hole 13 of the first earring 21, the universal joint 6 at the lower end of the first adjusting extension rod 7 is connected with the first right mounting hole 13 of the twelfth earring 32, the universal joint 6 at the upper end of the second adjusting extension rod 16 is connected with the first left mounting hole 13 of the first earring 21, the universal joint 6 at the lower end of the second adjusting extension rod 16 is connected with the first right mounting hole 13 of the eighth earring 28, the universal joint 6 at the upper end of the third adjusting extension rod 17 is connected with the first right mounting hole 13 of the third earring 23, the universal joint 6 at the lower end of the third adjusting extension rod 17 is connected with the first left mounting hole 13 of the eighth earring 28, the universal joint 6 at the upper end of the fourth adjusting extension rod 18 is connected with the first left mounting hole 13 of the third earring 23, the universal joint 6 at the lower end of the fourth adjusting extension rod 18 is connected with the first left mounting hole 13 of the tenth earring 30, the universal joint 6 at the upper end of the, the universal joint 6 at the lower end of the fifth adjusting extension rod 19 is connected with the first right mounting hole 13 of the tenth earring 30, the universal joint 6 at the upper end of the sixth adjusting extension rod 20 is connected with the first right mounting hole 13 of the fifth earring 25, and the universal joint 6 at the lower end of the sixth adjusting extension rod 20 is connected with the first left mounting hole 13 of the twelfth earring 32. The accuracy and the safety of the installation and the adjustment of the Taylor bracket are ensured by matching the matched software with the operation installation and the adjustment of the external fixing bracket.

It should be noted that the upper side and the lower side of the distal ring 8 are respectively provided with a second spicule 10, and the lower side of the distal ring 8 is also provided with a first spicule 1; the spicule I1 is in threaded connection with the human skeleton 3, and the spicule II 10 penetrates through the human skeleton 3. The near-end ring 4 and the far-end ring 8 are respectively provided with a plurality of second mounting holes 14, and each second bone needle 10 is respectively mounted on the second mounting holes 14 which are symmetrically arranged through two fixing needle seats 9. The upright post 2 is installed on the upper side of the near-end ring 4 and the lower side of the far-end ring 4 through the second installation hole 14 respectively, the upright post 2 is provided with a plurality of third installation holes 12, and the first spicule 1 is installed in the third installation hole 12 through the lining 11. The two spicules can also select proper mounting holes by utilizing the fixing needle base 9 and the upright post 2 to adjust the mounting position and the mounting height.

The installation process of outer fixed bolster in this embodiment does:

(1) firstly, fixing a near-end ring 4 of a Taylor space external fixing bracket on a fractured human skeleton 3, wherein the fixation of a full ring is realized through metal spicules (two), the metal spicules penetrate into the human skeleton 3, apply certain pretightening force to the metal spicules through a tensioner, and then fix the metal spicules on the near-end ring 4 through a half needle seat, a hole-groove needle seat, a bolt, a nut, a gasket and the like;

(2) fixing the distal ring 8 at the lower end of the human skeleton 3 to be corrected by the patient, wherein the fixing step is the same as the step (1);

(3) if the damaged part of the human skeleton 3 needs to be cut off in the orthopedic surgery, the human skeleton 3 is corrected in a cutting and recombining mode, and if the fracture is broken due to external force, the human skeleton 3 does not need to be cut into two sections artificially;

(4) after the above steps are completed, the six telescopic taylor rods are fixed on the near-end ring 4 and the far-end ring 8 through universal joints 6, bolts 5 and the like;

(5) connecting the fixed taylor space external fixing support with a computer system, and measuring the angle of each adjusting extension rod of the patient after finishing the orthopedic surgery or the fixation surgery;

(6) the orthopedic and human skeleton 3 lengthening and other orthopedic lengthening works are completed by adjusting the angle of the extension rod.

(7) After the external fixing support is installed, the relative position between the upper and lower fractured bones is adjusted by adjusting the lengths of the six adjusting extension rods, and finally the human skeleton 3 is restored and healed through the adjustment of a certain period, so that the aim of treating the human skeleton 3 is fulfilled.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An external fixation bracket comprising: the adjustable extension rod comprises a near-end ring (4), a far-end ring (8) and a plurality of adjustable extension rods, wherein six earrings are arranged on the near-end ring (4) and the far-end ring (8) respectively and are circular rings or semicircular rings, and the plurality of adjustable extension rods are connected with the earrings of the near-end ring (4) and the far-end ring (8) respectively through universal joints (6) at two ends;

the method is characterized in that: the upper side and the lower side of the near-end ring (4) are respectively provided with a second spicule (10), and the upper side of the near-end ring (4) is also provided with a first spicule (1); a second spicule (10) is respectively arranged on the upper side and the lower side of the far-end ring (8), and a first spicule (1) is arranged on the lower side of the far-end ring (8); the spicule I (1) is in threaded connection with a human skeleton (3), and the spicule II (10) penetrates through the human skeleton (3); the bone needle I (1) and the bone needle II (10) are metal Kirschner wires or Steiny wires, and the diameter of the bone needle I (1) is larger than that of the bone needle II (10).

2. An external fixation bracket as claimed in claim 1, wherein each of said ear loops is provided with three mounting holes one (13), respectively, and said universal joint (6) is mountable in each mounting hole one (13) by means of a bolt (5).

3. External fixation support as claimed in claim 2, characterized in that said proximal ring (4) comprises a first (21), a second (22), a third (23), a fourth (24), a fifth (25) and a sixth (26) ear ring; the distal ring (8) comprises a seventh ear ring (27), an eighth ear ring (28), a ninth ear ring (29), a tenth ear ring (30), an eleventh ear ring (31) and a twelfth ear ring (32); the adjusting extension rod comprises a first adjusting extension rod (7), a second adjusting extension rod (16), a third adjusting extension rod (17), a fourth adjusting extension rod (18), a fifth adjusting extension rod (19) and a sixth adjusting extension rod (20).

4. The external fixation bracket according to claim 3, wherein the universal joint (6) at the upper end of the first adjusting extension bar (7) is connected with the first right mounting hole (13) of the first earring (21), the universal joint (6) at the lower end of the first adjusting extension bar (7) is connected with the first right mounting hole (13) of the twelfth earring (32), the universal joint (6) at the upper end of the second adjusting extension bar (16) is connected with the first left mounting hole (13) of the first earring (21), the universal joint (6) at the lower end of the second adjusting extension bar (16) is connected with the first right mounting hole (13) of the eighth earring (28), the universal joint (6) at the upper end of the third adjusting extension bar (17) is connected with the first right mounting hole (13) of the third earring (23), and the universal joint (6) at the lower end of the third adjusting extension bar (17) is connected with the first left mounting hole (13) of the eighth earring (28), a universal joint (6) at the upper end of the fourth adjusting extension rod (18) is connected with a first left mounting hole (13) of the third earring (23), a universal joint (6) at the lower end of the fourth adjusting extension rod (18) is connected with a first left mounting hole (13) of the tenth earring (30), a universal joint (6) at the upper end of the fifth adjusting extension rod (19) is connected with a first left mounting hole (13) of the fifth earring (25), a universal joint (6) at the lower end of the fifth adjusting extension rod (19) is connected with a first right mounting hole (13) of the tenth earring (30), a universal joint (6) at the upper end of the sixth adjusting extension rod (20) is connected with a first right mounting hole (13) of the fifth earring (25), and a universal joint (6) at the lower end of the sixth adjusting extension rod (20) is connected with a first left mounting hole (13) of the twelfth earring (32).

5. The external fixation bracket as recited in claim 1, characterized in that the proximal end ring (4) and the distal end ring (8) are respectively provided with a plurality of second mounting holes (14), and each second bone pin (10) is respectively mounted on the second mounting holes (14) which are symmetrically arranged through two fixing pin seats (9).

6. The external fixation frame as claimed in claim 1, wherein the upper side of the proximal end ring (4) and the lower side of the distal end ring (8) are respectively provided with a vertical column (2) through a second mounting hole (14), the vertical column (2) is provided with a plurality of third mounting holes (12), and the spicule I (1) is mounted in the third mounting holes (12) through a bushing (11).

7. The external fixation bracket of claim 1, wherein the adjustable extension rod is provided with a graduation line for indicating length, and the adjustable extension rod is further provided with an identification card (15) for distinguishing the number of each adjustable extension rod.

8. The external fixation frame of claim 1 wherein a software kit is used to coordinate the surgical installation and adjustment of the external fixation frame.