CN218589103U - Multifunctional three-dimensional bone moving frame - Google Patents
Multifunctional three-dimensional bone moving frame Download PDFInfo
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- CN218589103U CN218589103U CN202221682138.0U CN202221682138U CN218589103U CN 218589103 U CN218589103 U CN 218589103U CN 202221682138 U CN202221682138 U CN 202221682138U CN 218589103 U CN218589103 U CN 218589103U
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Abstract
The utility model discloses a multi-functional three-dimensional bone removes frame, a serial communication port, including removing device A, remove device A and include bone screw, mobile jib one, be provided with the guide slot on the axial of mobile jib one, be provided with in the guide slot and enable the bone screw to prolong removing device one that X axle removed, remove the accommodate the lead screw that sets up in the guide slot one, be provided with threaded connection's bone extension regulating part A with it on the accommodate the lead screw, be provided with on the regulating part A and enable the bone screw to prolong removing device two that Y axle removed, enable the bone screw to prolong removing device three that Z axle removed. The utility model discloses simple structure, simple operation are stable.
Description
Technical Field
The utility model belongs to orthopedics medical machine field, concretely relates to multi-functional three-dimensional bone removes and moves frame.
Background
External fixator in 1840 Paris surgeon Malgaigne first reported a method of treating fracture by inserting a nail into the fracture of tibia and connecting and fixing the fracture with an annular band in vitro, and developed a four-claw patella external fixator in 1843. This is hereafter referred to as external fixation and has been used to date, and Malgaigne is also recognized as the originator of external fixation. The technology has experienced 100 years of tortuosity and frustration, and the development course of innovation and dispute, and the technology has become one of the accepted standard methods for treating bone fracture until the middle of the 20 th century.
In the 80 s of the 20 th century, with the utility model of the ILIZAROL annular external fixator, the popularization of the tensile stress osteogenesis mechanism and the creative application is widely applied worldwide, becoming the fourth milestone of the development history of the orthopedics field. After the ILIZAROL technology is introduced into China in 1991, the ILIZAROL technology becomes a prime power for promoting the development of the bone external fixation technology in China. The traditional technical functions of the existing external fixing frame in China are single longitudinal traction (unilateral external fixing frame) or transverse movement (bone movement frame), and no external fixing frame can realize longitudinal traction and transverse movement at present, so that the multifunctional external fixing frame with multi-directional traction is applied to clinic.
The main reasons for these are: 1. manufacturers and engineers who produce medical instruments are not clinical orthopedic professionals. 2. The traditional fracture only focuses on strong internal fixation after reduction, and omits the reduction technology. 3. The knowledge of trauma orthopedists on applying external fixators to treat fractures is insufficient. Therefore, there is a need for improvements in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that in the prior art, the firm internal fixation after the resetting is only emphasized, and the resetting technology is ignored, and providing a multifunctional three-dimensional bone moving frame.
In order to achieve the above purpose, the utility model adopts the following technology:
a multifunctional three-dimensional bone moving frame comprises a moving device A, wherein the moving device A comprises a bone screw and a main rod I, a guide groove is formed in the axial direction of the main rod I, a first moving device capable of enabling the bone screw to move along an X axis is arranged in the guide groove, a regulating screw rod is arranged in the guide groove and provided with a bone edge length regulating piece A in threaded connection with the regulating screw rod, and a second moving device capable of enabling the bone screw to move along a Y axis and a third moving device capable of enabling the bone screw to move along a Z axis are arranged on the regulating piece A.
Furthermore, the second moving device comprises a bone extension adjusting part B arranged above the bone extension adjusting part A, a threaded hole is formed in the bone extension adjusting part B, a screw rod in threaded connection with the threaded hole is installed in the threaded hole, a moving fixing plate in threaded connection with the screw rod is fixedly arranged on the screw rod, an adjusting clamping block A is arranged on the moving fixing plate, a first pressing needle cover is arranged on the adjusting clamping block A, a first bone screw installation position is arranged between the adjusting clamping block A and the first pressing needle cover, a first bone screw is installed in the first bone screw installation position in the vertical direction, an adjusting screw hole is formed in the first clamping block A and the first pressing needle cover, and an adjusting nut is installed in the first adjusting screw hole and used for fixing the adjusting clamping block A and the first pressing needle cover.
Furthermore, the third moving device comprises a U-shaped through groove formed in the bone extension adjusting piece B along the Z-axis direction, the bone extension adjusting piece A and the bone extension adjusting piece B are fixed through a fixing jackscrew, and the bone extension adjusting piece B realizes the movement of the bone screw along the Z-axis through the tightening and loosening of the fixing jackscrew.
Furthermore, the main rod I is connected with a main rod II which is the same as the main rod I through a universal connector, a moving device B which is the same as the moving device A is arranged on the main rod II, and the main rod I and the main rod II rotate relatively through the universal connector.
Furthermore, the universal connector comprises a first ball sleeve and a second ball sleeve which are respectively connected with the first main rod and the second main rod, the first ball sleeve and the second ball sleeve are connected through a universal ball handle, ball sockets are respectively arranged in the first ball sleeve and the second ball sleeve, and universal balls at two ends of the universal ball handle are respectively located in the ball sockets of the first ball sleeve and the second ball sleeve.
As a further step, move the regulation clamp splice B that is provided with on the fixed plate and adjusts clamp splice A symmetry, be provided with the presser lid two on regulation clamp splice B, be provided with bone screw installation position two between regulation clamp splice B, the presser lid two, install bone screw two on the upper and lower direction in the bone screw installation position two, be provided with regulation screw two on festival clamp splice B, the presser lid two, install adjusting nut two in the regulation screw two for fixed regulation clamp splice B, presser lid two.
Furthermore, a first screw hole and a second screw hole are respectively arranged in the upper direction and the lower direction of the bone extension adjusting piece B and respectively correspond to the first bone screw mounting position and the second bone screw mounting position, the first bone screw extends towards the negative axis of the Y axis through the first screw hole, and the second bone screw extends towards the negative axis of the Y axis through the second screw hole.
Furthermore, one side in the guide groove is provided with a mounting hole for mounting the adjusting screw rod, the other side is provided with a limiting pin hole for limiting the adjusting screw rod, and a limiting pin is mounted in the limiting pin hole.
Furthermore, the moving fixing plate and the bone extension adjusting part B are respectively provided with corresponding bone screw holes.
The utility model discloses simple structure, simple operation are stable. Specifically, the first moving device, the second moving device and the third moving device enable the first bone screw and the second bone screw to move in the directions of an X axis, a Y axis and a Z axis, so that bones to be moved on the first bone screw and the second bone screw are driven to move in the three-dimensional direction, blood vessels and neural networks are stimulated in the moving process, and a group of peripheral blood circulation systems are reconstructed, so that the purpose of treating chronic ischemic diseases of lower limbs is achieved.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the structure at angle one in FIG. 1;
FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic structural view of the angle two in FIG. 1;
in the figure, 1-adjusting nut, 2-screw rod, 3-moving fixing plate, 4-moving clamping block, 5-hexagon socket head cap screw, 6-first jackscrew, 7-bone screw, 8-bone extension adjusting part B, 9-guide groove, 10-fixing jackscrew, 11-bone extension adjusting part A, 12-adjusting screw sleeve, 13-adjusting screw rod, 14-limiting pin, 15-first main rod, 16-screw, 17-universal ball, 18-ball sleeve, 19-second main rod, 20-second jackscrew and 21-bone screw hole.
Detailed Description
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. Reference herein to "first," "second," and similar words, does not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The terms of left, right, front, back, up and down are used to indicate the normal use of the product.
As shown in fig. 1 to 4, the multifunctional three-dimensional bone moving frame comprises a moving device a, wherein the moving device a comprises a bone screw 7 and a primary rod 15, a guide groove 9 is formed in the axial direction of the primary rod 15, a first moving device capable of enabling the bone screw 7 to move along the X axis is arranged in the guide groove 9, the first moving device comprises an adjusting screw 13 arranged in the guide groove 9, a mounting hole for mounting the adjusting screw 13 is formed in one side in the guide groove 9, a limiting pin 14 hole for limiting the adjusting screw 13 is formed in the other side, and a limiting pin 14 is arranged in the first moving device.
The adjusting screw 13 is provided with a bone extension adjusting piece A11 which is in threaded connection with the adjusting screw, and the adjusting piece A is provided with a second moving device which can move the bone screw 7 along the Y axis and a third moving device which can move the bone screw 7 along the Z axis.
The second moving device comprises a bone extension adjusting part B8 arranged above the bone extension adjusting part A11, a threaded hole is formed in the bone extension adjusting part B8, a screw rod 2 in threaded connection with the threaded hole is installed in the threaded hole, a moving fixing plate 3 in threaded connection with the screw rod 2 is fixedly arranged on the screw rod 2, an adjusting clamping block A is arranged on the moving fixing plate 3, a first pressing needle cover is arranged on the adjusting clamping block A, a first bone screw 7 is arranged between the adjusting clamping block A and the first pressing needle cover, the first bone screw 7 is installed on the first bone screw 7 in the vertical direction, an adjusting screw hole I is formed in the first joint clamping block A and the first pressing needle cover, and an adjusting nut 1I is installed in the adjusting screw hole I and used for fixing the adjusting clamping block A and the first pressing needle cover. The clinical anatomical reduction can be achieved by loosening the hexagon socket cap head cap screw 165 and fine adjusting the directions of the needle pressing cover and the bone screw 7. In order to increase the stability of the moving bone block, two bone pins can be driven into each bone to be moved, therefore, an adjusting clamping block B symmetrical to the adjusting clamping block A is arranged on the moving fixing plate 3, a second pressure pin cover is arranged on the adjusting clamping block B, a second bone screw 7 mounting position is arranged between the adjusting clamping block B and the second pressure pin cover, a second bone screw 7 is arranged in the second bone screw 7 mounting position in the vertical direction, a second adjusting screw hole is arranged on the second joint clamping block B and the second pressure pin cover, and a second adjusting nut 1 is arranged in the second adjusting screw hole and used for fixing the adjusting clamping block B and the second pressure pin cover. Or more bone pins can be driven into each bone to be moved, the moving fixing plate 3 and the bone extension adjusting piece B8 are respectively provided with corresponding bone screw holes 21, the bone screws 7 can be arranged in the bone screw holes, the bone screws are fixed on the moving fixing plate 3 by the first jackscrew 6, and the bone extension adjusting piece B8 by the second jackscrew 20.
In order to increase the stability of the bone needle, a first screw 16 hole and a second screw 16 hole are respectively arranged in the upper direction and the lower direction of the bone lengthening adjusting part B8 and respectively correspond to a first mounting position of the bone screw 7 and a second mounting position of the bone screw 7, the first screw 7 extends to the negative axis of the Y axis through the first screw 16 hole, the second screw 7 extends to the negative axis of the Y axis through the second screw 16 hole, and the first screw 7 and the second screw 7 are respectively fixed on the bone lengthening adjusting part B8 through a second jackscrew 20.
The third moving device comprises a U-shaped through groove formed in the bone extension adjusting part B8 in the Z-axis direction, the bone extension adjusting part A11 and the bone extension adjusting part B8 are fixed through a fixing jackscrew 10, and the bone extension adjusting part B8 achieves movement of the bone screw 7 along the Z-axis through loosening and tightening of the fixing jackscrew 10.
In order to adapt the product to different patients, namely different bone twisting degrees, the first main rod 15 is connected with the second main rod 19 which is the same as the first main rod 15 through a universal connector, the second main rod 19 is provided with a moving device B which is the same as the moving device A, and the first main rod 15 and the second main rod 19 rotate relatively through the universal connector. The universal connector comprises a first ball sleeve 18 and a second ball sleeve 18 which are respectively connected with the first main rod 15 and the second main rod 19, the first ball sleeve 18 and the second ball sleeve 18 are connected through a universal ball 17 handle, ball sockets are respectively arranged in the first ball sleeve 18 and the second ball sleeve 18, and universal balls 17 at two ends of the universal ball 17 handle are respectively positioned in the ball sockets of the first ball sleeve 18 and the second ball sleeve 18.
The working principle is as follows: the two groups of independent bone screws 7 on the moving device A and the moving device B are fixed firstly, so that the axial traction of the two groups of independent bone screws 7 is realized; adjusting screw rods 13 on the moving device A and the moving device B are adjusted respectively to realize left and right movement of the moving device A and the moving device B, so that the purpose of moving the bone blocks along the X axis is achieved, and longitudinal, namely left and right fine adjustment of the bone screws 7 is realized by moving the clamping blocks 4A and the inner hexagonal socket head screws 5. The adjusting nut 1 is rotated to realize the up-and-down movement of the moving fixing plate 3 and the purpose of moving the bone blocks along the Y axis; by loosening the fixed jackscrew 10, the bone extension adjusting part B8 moves relative to the first main rod 15 or the second main rod 19, so that the bone extension adjusting part B8 moves back and forth along the Z axis, and the aim of moving the bone blocks along the Z axis is fulfilled, namely moving the bone blocks up and down, left and right and back and forth. And the bone screw 7 is finely adjusted to achieve clinical anatomical reduction by adjusting the movable clamping block 4, the bone screw 7 and the inner hexagonal socket head cap screw 165. The external fixing frame not only realizes the fracture fixing technology, but also achieves the firm fixation of the fracture when in application, and simultaneously overcomes the technology that the (minimally invasive) external fixing frame is difficult to reset.
The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.
Claims (9)
1. A multifunctional three-dimensional bone moving frame is characterized by comprising a moving device A, wherein the moving device A comprises a bone screw and a main rod I, a guide groove is formed in the main rod I in the axial direction, a first moving device capable of enabling the bone screw to move along an X axis is arranged in the guide groove, a first adjusting screw rod is arranged in the guide groove and provided with a bone edge length adjusting piece A in threaded connection with the adjusting screw rod, and a second moving device capable of enabling the bone screw to move along a Y axis and a third moving device capable of enabling the bone screw to move along a Z axis are arranged on the adjusting piece A.
2. The multifunctional three-dimensional bone moving frame according to claim 1, wherein the second moving device comprises a bone extension adjusting part B arranged above the bone extension adjusting part A, a threaded hole is arranged on the bone extension adjusting part B, a screw rod in threaded connection with the threaded hole is installed in the threaded hole, a moving fixing plate in threaded connection with the screw rod is fixedly arranged on the screw rod, an adjusting clamping block A is arranged on the moving fixing plate, a first pressing needle cover is arranged on the adjusting clamping block A, a first bone screw installing position is arranged between the adjusting clamping block A and the first pressing needle cover, a first bone screw is installed in the first bone screw installing position in the vertical direction, a first adjusting screw hole is arranged on the first clamping block A and the first pressing needle cover, and a first adjusting nut is installed in the first adjusting screw hole and used for fixing the adjusting clamping block A and the first pressing needle cover.
3. The multifunctional three-dimensional bone moving frame according to claim 2, wherein the third moving device comprises a U-shaped through slot arranged along the Z-axis direction on the bone extension adjusting part B, the bone extension adjusting part A and the bone extension adjusting part B are fixed by a fixing top thread, and the bone extension adjusting part B realizes the movement of the bone screw along the Z-axis by tightening and loosening the fixing top thread.
4. The multifunctional three-dimensional bone moving frame according to claim 3, wherein the first main rod is connected to a second main rod identical to the first main rod through a universal connector, the second main rod is provided with a moving device B identical to the moving device A, and the first main rod and the second main rod rotate relatively through the universal connector.
5. The multifunctional three-dimensional bone moving frame according to claim 4, wherein the universal connector comprises a first ball sleeve and a second ball sleeve which are respectively connected with the first main rod and the second main rod, the first ball sleeve and the second ball sleeve are connected through a universal ball handle, ball sockets are respectively arranged in the first ball sleeve and the second ball sleeve, and universal balls at two ends of the universal ball handle are respectively positioned in the ball sockets of the first ball sleeve and the second ball sleeve.
6. The multifunctional three-dimensional bone moving frame according to claim 5, wherein the moving fixing plate is provided with an adjusting clamping block B symmetrical to the adjusting clamping block A, the adjusting clamping block B is provided with a second pressing pin cover, a second bone screw mounting position is arranged between the adjusting clamping block B and the second pressing pin cover, the second bone screw is mounted in the second bone screw mounting position in the vertical direction, the second joint clamping block B and the second pressing pin cover are provided with a second adjusting screw hole, and a second adjusting nut is mounted in the second adjusting screw hole and used for fixing the adjusting clamping block B and the second pressing pin cover.
7. The multi-functional three-dimensional bone moving frame according to claim 6, wherein said bone extension member B is provided with a first screw hole and a second screw hole in the vertical direction, respectively, corresponding to the first bone screw mounting site and the second bone screw mounting site, respectively, the first bone screw extending to the negative axis of the Y-axis through the screw holes, and the second bone screw extending to the negative axis of the Y-axis through the screw holes.
8. The multifunctional three-dimensional bone moving frame according to any one of claims 1 to 7, wherein one side of the inside of the guide groove is provided with a mounting hole for mounting the adjusting screw rod, and the other side is provided with a limit pin hole for limiting the adjusting screw rod, and a limit pin is mounted inside the limit pin hole.
9. The multi-functional three-dimensional bone movement frame of claim 2, wherein the movement fixing plate and the bone extension adjusting member B are provided with corresponding bone screw holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221682138.0U CN218589103U (en) | 2022-07-02 | 2022-07-02 | Multifunctional three-dimensional bone moving frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221682138.0U CN218589103U (en) | 2022-07-02 | 2022-07-02 | Multifunctional three-dimensional bone moving frame |
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| Publication Number | Publication Date |
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| CN218589103U true CN218589103U (en) | 2023-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221682138.0U Active CN218589103U (en) | 2022-07-02 | 2022-07-02 | Multifunctional three-dimensional bone moving frame |
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| CN (1) | CN218589103U (en) |
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- 2022-07-02 CN CN202221682138.0U patent/CN218589103U/en active Active
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