CN203591313U - Rapid repositor for treating fractures of long tubular bones of four limbs - Google Patents
Rapid repositor for treating fractures of long tubular bones of four limbs Download PDFInfo
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- CN203591313U CN203591313U CN201320762654.9U CN201320762654U CN203591313U CN 203591313 U CN203591313 U CN 203591313U CN 201320762654 U CN201320762654 U CN 201320762654U CN 203591313 U CN203591313 U CN 203591313U
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- fixed bar
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- reset
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Abstract
The utility model discloses a rapid repositor for treating fractures of long tubular bones of four limbs, and belongs to the technical field of orthopedic surgical instruments. The rapid repositor for treating the fractures of the long tubular bones of the four limbs is used for conducting traction and replacement on the thigh bone and other long tubular bones of the four limbs. According to the technical scheme, a reposition support is composed of four supporting legs and a square frame. A traction screw rod is screwed in a screw hole in a rear transverse rod of the square frame, the front end of the traction screw rod is connected with the upper end of a traction bow, the lower end of the traction bow is connected with a traction needle, a front transverse rod of the square frame is connected with the rear end of a fixing rod, and the front end of the fixing rod is connected with a fixing needle. The reposition support is placed at the near end of one long tubular bone, the front end of the fixing rod is connected with the near end of the long tubular bone or an adjacent truncal bone, and the traction screw rod is rotated to draw the drawn long tubular bone, so that the shortened fractured bone is reposited, and the length of the bone is effectively maintained and controlled. The rapid repositor for treating the fractures of the long tubular bones of the four limbs is simple in structure, convenient to use and capable of generating great reposition power, solves the problem that reposition is difficult in facture operations for the long tubular bones, and is high in effectiveness in clinical operations.
Description
Technical field
This utility model relates to a kind of positor in fracture operation, long bone fracture being drawn, and belongs to bone surgery set technical field.
Background technology
The limb long tubular bone shaft fractures such as femur, tibia, humerus and limb long tubular bone fracture of distal are clinical common fracture.Operative treatment is its first-selected Therapeutic Method, comprises that intramedullary pin is fixed and blade plate is fixed.Take Fracture of femur as example, due to leg muscle strongs such as femur musculus quadriceps, there is Fracture of femur because myotasis often exists shortened deformity etc. in patient, resets, recovers its length and effectively maintain comparatively difficulty in art.If can not anatomical reduction in art, postoperatively may there is malunion and the complication such as the lower limb line of force is bad.In related documents, the report such as Winquist 520 routine fracture of shaft of femur are through intramedullary nail treatment, and 8% patient exceedes the outward turning deformity of 10 degree.In 42 routine patients of the reports such as Yang, 4 examples (9.5%) exceed the rotation deformity of 15 degree.Braten etc. have measured the top rake of the one-sided fracture of shaft of femur patient's bilateral of 110 routine intramedullary interlocking nail femur, and 21 examples (19%) patient exists rotation deformity (bilateral femoral anteversion angle differs and exceedes 15 degree).The complication such as the bad and malunion of the postoperative lower limb line of force of Fracture of femur may cause traumatic arthritis or osteoarthritis.Have a strong impact on limbs of patient function and quality of life.
In art, traction is the long tubular bone fractures such as reset femur, the important means of recovering Leg length.In art, need assistant to help to draw patient at present, auxiliary reset is fractured and is recovered Leg length.But the reduction of the fracture is often dissatisfied, needs two assistants to control respectively near-end and far-end in art, can not the stable maintenance reduction of the fracture and Leg length, may affect therapeutic effect; In addition, two assistants may tie up patient space, affect patient's operation technique.Therefore designing a kind of is very necessary for the controllability resetting means that Fracture of femur resets, recovery Leg length also effectively maintains.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of Rapid reset device for the treatment of long bone fracture, this positor can be implemented Rapid reset to patient's long bone fracture position in art, and effectively regulate and maintain, easy to use, reset accurately, control firmly.
The technical scheme solving the problems of the technologies described above is:
A kind of Rapid reset device for the treatment of long bone fracture, it comprises reset cradle, traction screw, traction bow, pull needle, fixed bar, locking pin, the square system framework that reset cradle is connected with top by four supporting legs, there is screw at the rear transverse rod middle part of square framework, traction screw is spun in the screw of rear transverse rod, there is rotating handles the rear end of traction screw, the front end of traction screw is connected with the upper end of traction bow, the lower end of traction bow is connected with pull needle, pull needle is connected with the end that is pulled of femur, the front rail of square framework is connected with the rear end of fixed bar, fixed bar is stock, the front end of fixed bar is connected with locking pin, locking pin is connected with pelvis ilium, or be connected with distal femur.
The Rapid reset device of above-mentioned treatment long bone fracture, four supporting legs of described reset cradle are respectively tube-in-tube structure, on inner sleeve and outer sleeve, there is respectively the pin-and-hole of corresponding adjustable legs length, rear transverse rod, the front rail of the square framework of reset cradle are rotating flexible connection with the upper end of the supporting leg of both sides, on the two ends end face of rear transverse rod, front rail, there is the screw perpendicular to cross bar end face, connecting bolt is laterally vertical to be connected with the end face screw of cross bar through supporting leg top, and there is knob the rear end of connecting bolt.
The Rapid reset device of above-mentioned treatment long bone fracture, the body of rod of described fixed bar is Split type structure, the body of rod of fixed bar is sleeve, on the sleeve of front and back, there is the corresponding pin-and-hole of adjustable lever body length, or the body of rod of fixed bar is segmentation, the body of rod is made up of multistage, between each section, is connected by screw thread or bayonet lock or buckle, the front end of the fixed bar body of rod has Universal-head, and Universal-head is connected with locking pin.
The Rapid reset device of above-mentioned treatment long bone fracture, on the body of rod of described fixed bar, by multiple reset adjustment holes, reset adjustment hole is multiple, reset adjustment hole be axially positioned at horizontal direction, vertical with the axis of fixed bar, the diameter of reset adjustment hole and Kirschner wire or schanz nail match.
The Rapid reset device of above-mentioned treatment long bone fracture, there are chute and flank in the both sides of described fixed bar, chute is axial along fixed bar, flank is the arc-like sheet of horizontal positioned, on arc-like sheet, have multiple pin holes, pin hole is uniform along arc-like sheet axis, and the diameter of pin hole and Kirschner wire or schanz nail match, one end of flank is embedded in chute, with chute for being slidably matched.
The Rapid reset device of above-mentioned treatment long bone fracture, two rear support legs of described reset cradle are three layers of tube-in-tube structure, outer layer sleeve is identical with two front leg struts of reset cradle with middle level tube-in-tube structure, the upper end of middle level sleeve is connected with the side lever of both sides, between inner layer sleeve and middle level sleeve, be connected for multiple height-adjustable pin-and-holes, the upper end of inner layer sleeve connects rotating rear transverse rod.
Above-mentioned long bone fracture Rapid reset device, described pull needle and locking pin are schanz nail, Kirschner wire or steinman pin.
Usefulness of the present utility model is:
The explanation as an example of Fracture of femur example: reset cradle of the present utility model is placed near end of thighbone, traction bow is connected with trailed femur by pull needle, fixed bar is connected with pelvis ilium by locking pin, by the trailed femur of rotation traction traction screw rod tractive, adjust the middle distance of near end of thighbone and far-end, make the reduction of the fracture of shortening, and effectively maintain and control its length; Can be to there being the fracture that vertical direction and left and right sides orientation are moved to implement active homing in conjunction with schanz nail, Kirschner wire or steinman pin by reset adjustment hole, flank; Regulate the height of reset cradle and the length of fixed bar can adjust the distance of traction, make traction effect better.
This utility model connects and lower limb fixation by bone, can produce huge reset strength, guarantees the smooth reset of fracture site, avoids the carrying out that in art, assistant carries out manual reset impact operation.This utility model is simple in structure, easy to use, has solved the difficult problem that resets in Fracture of femur art, is effective very strong utensil in clinical operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the A-A cutaway view of Fig. 1;
Fig. 4 is the another kind of using state schematic diagram of Fig. 1.
In figure, labelling is as follows: reset cradle 1, supporting leg 2, square framework 3, front rail 4, rear transverse rod 5, traction screw 6, traction bow 7, pull needle 8, fixed bar 9, locking pin 10, pin-and-hole 11, knob 12, rotating handles 13, Universal-head 14, reset adjustment hole 15, chute 16, flank 17, pin hole 18.
The specific embodiment
This utility model is made up of reset cradle 1, traction screw 6, traction bow 7, pull needle 8, fixed bar 9, locking pin 10.
In figure, show, the square framework 3 that reset cradle 1 is connected with top by four supporting legs 2 forms.Four supporting legs 2 of reset cradle 1 are respectively tube-in-tube structure, have respectively the pin-and-hole 11 of corresponding adjustable legs length on inner sleeve and outer sleeve, height that can integrally-regulated reset cradle 1.In addition, two rear support legs of reset cradle 1 are three layers of tube-in-tube structure, outer layer sleeve is identical with two front leg struts of reset cradle 1 with middle level tube-in-tube structure, the upper end of middle level sleeve is connected with the side lever of both sides, between inner layer sleeve and middle level sleeve, be connected for multiple height-adjustable pin-and-holes 11, the upper end of inner layer sleeve connects rotating rear transverse rod 5, can separately rear transverse rod 5 and rear support leg be raise like this, be conducive to improve drawing length and change traction angle, other three cross bar height are constant.
In figure, show, rear transverse rod 5, the front rail 4 of the square framework 3 of reset cradle 1 are rotating flexible connection with the upper end of the supporting leg 2 of both sides, on the two ends end face of rear transverse rod 5, front rail 4, there is the screw perpendicular to cross bar end face, connecting bolt is laterally vertical to be connected with the end face screw of cross bar through supporting leg 2 tops, and there is knob 12 rear end of connecting bolt.The rotary effect of rear transverse rod 5 is to adjust the direction that is through the traction screw 6 on rear transverse rod 5, and traction screw 6 and traction bow 7 are positioned on same axis.What the solid line in figure and dotted line showed is different turned positions.Front rail 4 rotates direction and the angle that can adjust fixed bar 9, makes the locking pin 10 of fixed bar 9 front ends connect more convenient and firm.
In figure, show, traction screw 6 is spun in rear transverse rod 5, and there is rotating handles 13 rear end of traction screw 6, and the front end of traction screw 6 is connected with the upper end of traction bow 7, and the lower end of traction bow 7 is connected with pull needle 8, and pull needle 8 is connected with the end that is pulled of femur.
In figure, show, the rear end of fixed bar 9 is connected on the front rail 4 of square framework 3, and the front end of fixed bar 9 is connected with locking pin 10, and locking pin 10 is connected with pelvis ilium (being generally fixed on anterior superior iliac spine).The front end of fixed bar 9 bodies of rod has Universal-head 14, and Universal-head 14 is connected with the chondritic of schanz nail tail end.
The body of rod of fixed bar 9 is Split type structure, and Split type structure can be tube-in-tube structure or segmental structure.The corresponding pin-and-hole that has adjustable lever body length on the front and back sleeve of tube-in-tube structure, the body of rod of segmental structure is made up of multistage, between each section, is connected by screw thread or bayonet lock or buckle.Regulate the length of fixed bar 9 bodies of rod can adapt to the Fracture of femur of diverse location and the patient's of different heights needs.
In figure, show, on the body of rod of fixed bar 9, by multiple reset adjustment holes 15, reset adjustment hole 15 is multiple, reset adjustment hole 15 be axially positioned at horizontal direction, vertical with the axis of fixed bar 9, the diameter of reset adjustment hole 15 and Kirschner wire or schanz nail match.When use, Kirschner wire or schanz nail are inserted in reset adjustment hole 15, the fracture that has vertical direction displacement is carried out to reset operation.
In figure, show, there are chute 16 and flank 17 in the both sides of fixed bar 9, chute 16 is axial along fixed bar 9, the arc-like sheet that flank 17 is horizontal positioned, on arc-like sheet, have multiple pin holes 18, pin hole 18 is uniform along arc-like sheet axis, and the diameter of pin hole 18 and Kirschner wire or schanz nail match, one end of flank 17 is embedded in chute 16, can slide in the interior front and back of chute 16.When use, Kirschner wire or schanz nail are inserted in the pin hole 18 of flank 17, withstand skeleton, the fracture that has two side direction displacements is carried out to reset operation.
Using method of the present utility model following (explanation as an example of Fracture of femur example):
Do a little otch at anterior superior iliac spine, separate skin, subcutaneous tissue, fascia and muscle successively, cuts periosteum and exposes ilium, implants locking pin 10 after boring, the advantage of this connected mode of near-end is fixation, is connected with the fixed bar 9 of length adjustable by locking pin 10.Certainly implant outside to inside the pull needle 8 such as schanz nail, Kirschner wire or steinman pin in distal femur, it is connected with one end of traction bow 7, the other end of traction bow 7 is connected with traction screw 6, fractures, and effectively maintain and control its length by rotation traction traction screw rod 6 with reset cripetura.
In operation technique, can, by regulating the length of fixed bar 9 bodies of rod, adapt to the Fracture of femur of diverse location and the patient's of different heights needs; Can also coordinate Kirschner wire or schanz nail by reset adjustment hole 15, the fracture that has vertical direction displacement is carried out to reset operation; Can also utilize chute 16 and the flank 17 of fixed bar 9 both sides, mobile flank 17, inserts Kirschner wire or schanz nail in the pin hole 18 of flank 17, withstands skeleton, and the fracture that has two side direction displacements is carried out to reset operation.
This utility model connects and lower limb fixation by bone, can produce huge reset strength, have advantages of easy to use, reset accurately, fixation.
Claims (7)
1. treat the Rapid reset device of long bone fracture for one kind, it is characterized in that: it comprises reset cradle (1), traction screw (6), traction bow (7), pull needle (8), fixed bar (9), locking pin (10), the square framework (3) that reset cradle (1) is connected with top by four supporting legs (2) forms, there is screw at rear transverse rod (5) middle part of square framework (3), traction screw (6) is spun in the screw of rear transverse rod (5), there is rotating handles (13) rear end of traction screw (6), the front end of traction screw (6) is connected with the upper end of traction bow (7), the lower end of traction bow (7) is connected with pull needle (8), pull needle (8) is connected with the end that is pulled of femur, the front rail (4) of square framework (3) is connected with the rear end of fixed bar (9), fixed bar (9) is stock, the front end of fixed bar (9) is connected with locking pin (10), locking pin (10) is connected with pelvis ilium, or be connected with distal femur.
2. the Rapid reset device for the treatment of long bone fracture according to claim 1, it is characterized in that: four supporting legs (2) of described reset cradle (1) are respectively tube-in-tube structure, on inner sleeve and outer sleeve, there is respectively the pin-and-hole (11) of corresponding adjustable legs (2) length, the rear transverse rod (5) of the square framework (3) of reset cradle (1), front rail (4) is rotating flexible connection with the upper end of the supporting leg (2) of both sides, rear transverse rod (5), on the two ends end face of front rail (4), there is the screw perpendicular to cross bar end face, connecting bolt is laterally vertical to be connected with the end face screw of cross bar through supporting leg (2) top, there is knob (12) rear end of connecting bolt.
3. the Rapid reset device for the treatment of long bone fracture according to claim 2, it is characterized in that: the body of rod of described fixed bar (9) is Split type structure, the body of rod of fixed bar (9) is sleeve, on the sleeve of front and back, there is the corresponding pin-and-hole of adjustable lever body length, or the body of rod of fixed bar (9) is segmentation, the body of rod is made up of multistage, between each section, be connected by screw thread or bayonet lock or buckle, the front end of fixed bar (9) body of rod has Universal-head (14), and Universal-head (14) is connected with locking pin (10).
4. treatment long bone fracture according to claim 3
'srapid reset device, it is characterized in that: on the body of rod of described fixed bar (9) by multiple reset adjustment holes (15), reset adjustment hole (15) is multiple, reset adjustment hole (15) be axially positioned at horizontal direction, vertical with the axis of fixed bar (9), the diameter of reset adjustment hole (15) and Kirschner wire or schanz nail match.
5. the Rapid reset device for the treatment of long bone fracture according to claim 4, it is characterized in that: there are chute (16) and flank (17) in the both sides of described fixed bar (9), chute (16) is axial along fixed bar (9), flank (17) is arc-like sheet, on arc-like sheet, there are multiple pin holes (18), pin hole (18) is uniform along arc-like sheet axis, the diameter of pin hole (18) and Kirschner wire or schanz nail match, one end of flank (17) is embedded in chute (16), with chute (16) for being slidably matched.
6. the Rapid reset device for the treatment of long bone fracture according to claim 5, it is characterized in that: two rear support legs of described reset cradle (1) are three layers of tube-in-tube structure, outer layer sleeve is identical with two front leg struts of reset cradle (1) with middle level tube-in-tube structure, the upper end of middle level sleeve is connected with the side lever of both sides, between inner layer sleeve and middle level sleeve, be connected for multiple height-adjustable pin-and-holes (11), the upper end of inner layer sleeve connects rotating rear transverse rod (5).
7. the Rapid reset device for the treatment of long bone fracture according to claim 6, is characterized in that: described pull needle (8) and locking pin (10) are schanz nail, Kirschner wire or steinman pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320762654.9U CN203591313U (en) | 2013-11-28 | 2013-11-28 | Rapid repositor for treating fractures of long tubular bones of four limbs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320762654.9U CN203591313U (en) | 2013-11-28 | 2013-11-28 | Rapid repositor for treating fractures of long tubular bones of four limbs |
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| Publication Number | Publication Date |
|---|---|
| CN203591313U true CN203591313U (en) | 2014-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320762654.9U Withdrawn - After Issue CN203591313U (en) | 2013-11-28 | 2013-11-28 | Rapid repositor for treating fractures of long tubular bones of four limbs |
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| CN (1) | CN203591313U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103637839A (en) * | 2013-11-28 | 2014-03-19 | 张英泽 | Rapid restorer for treating fracture of long tubular bones of limbs |
-
2013
- 2013-11-28 CN CN201320762654.9U patent/CN203591313U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103637839A (en) * | 2013-11-28 | 2014-03-19 | 张英泽 | Rapid restorer for treating fracture of long tubular bones of limbs |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140514 Effective date of abandoning: 20150401 |
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| RGAV | Abandon patent right to avoid regrant |