CN214017707U

CN214017707U - A3D prints and cuts bone conduction board for knee joint varus operation

Info

Publication number: CN214017707U
Application number: CN202022421897.9U
Authority: CN
Inventors: 黄进骏; 邓俊纯; 邹泽华
Original assignee: Guangxi Fule Technology Co ltd
Current assignee: Guangxi Fule Technology Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-08-24
Anticipated expiration: 2030-10-27

Abstract

A3D printing osteotomy guide plate for knee joint varus surgery comprises a first support plate, a second telescopic rod, a first clamping jaw, a second clamping jaw and a limiting mechanism; the second telescopic rod is arranged on the second supporting plate and is connected with the first supporting plate in a sliding manner; the first supporting plate is provided with a moving mechanism for driving the second telescopic rod to move; the two first clamping jaws and the two second clamping jaws are rotatably arranged on the first supporting plate and the second supporting plate; the first clamping jaw is provided with a connecting part; the connecting part is provided with a limiting groove; the limiting mechanism is arranged on the connecting part; the second clamping jaw is provided with a connecting groove and a limiting hole for embedding the connecting part; one end of the limiting mechanism is clamped with the limiting hole. The utility model discloses a first clamping jaw and second clamping jaw are fixed with patient's shank, change the distance between first backup pad and the second backup pad through moving mechanism to can adjust according to the operation needs.

Description

A3D prints and cuts bone conduction board for knee joint varus operation

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a 3D prints and cuts bone baffle for knee joint varus operation.

Background

The knee joint varus refers to the condition that the ankles are closed and the knees are not closed, and the knee joint is in an O shape. Most of the reasons are that the standing is too early, the walking time is too long, and nutrition and exercise are lacked, so that the contraction strength and the extension strength of muscle groups and ligaments on the inner side and the outer side of the large leg and the small leg are unbalanced.

The knee joint varus is a commonly used treatment method through an osteotomy operation, an osteotomy guide plate is needed to be used for supporting a patient during an operation and a postoperative recovery period, and the support distance of the osteotomy guide plate cannot be adjusted according to the operation requirement in the prior art.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a 3D prints and cuts bone baffle for knee joint enstrophe operation is fixed patient's shank through first clamping jaw and second clamping jaw, changes the distance between first backup pad and the second backup pad through moving mechanism to can adjust according to the operation needs.

(II) technical scheme

The utility model provides a D-printing osteotomy guide plate for knee joint inversion surgery, which comprises a first support plate, a second telescopic rod, a first clamping jaw, a second clamping jaw and a limiting mechanism;

the second telescopic rod is arranged on the second supporting plate and is connected with the first supporting plate in a sliding manner; a sliding groove is arranged on the first supporting plate; the second telescopic rod is positioned in the sliding groove, and the first supporting plate is provided with a moving mechanism for driving the second telescopic rod to move; the two first clamping jaws and the two second clamping jaws are arranged, one first clamping jaw and one second clamping jaw are rotatably arranged on the first supporting plate, and the other first clamping jaw and the other second clamping jaw are rotatably arranged on the second supporting plate; the first clamping jaw is provided with a connecting part; the connecting part is provided with a limiting groove; the limiting mechanism is arranged on the connecting part, and one end of the limiting mechanism is positioned in the limiting groove; the second clamping jaw is provided with a connecting groove and a limiting hole for embedding the connecting part; one end of the limiting mechanism is clamped with the limiting hole.

Preferably, the two groups of limiting grooves and the two groups of limiting mechanisms are symmetrically arranged, and each limiting mechanism comprises a limiting column, a handle and an elastic piece; one end of the limiting column and one end of the handle are both arranged in the limiting groove in a sliding manner, and the handle is arranged on the limiting column; the elastic piece is positioned in the limiting groove, and two ends of the elastic piece are respectively connected with the limiting column and the bottom of the limiting groove; the other end of the limiting column is clamped with the limiting hole.

Preferably, the first supporting plate is provided with two mounting tables which are symmetrically arranged and positioned at two ends of the sliding groove; the moving mechanism comprises a lead screw and a moving block; two ends of the screw rod are respectively and rotatably arranged on the two mounting tables; the moving block is in threaded connection with the lead screw; the moving block is arranged on the second telescopic rod; the first supporting plate is provided with a transmission device for driving the screw rod to rotate.

Preferably, the transmission device comprises a knob, a transmission shaft, a driving bevel gear and a driven bevel gear; the transmission shaft is rotatably arranged on the first supporting plate, and one end of the transmission shaft, the driving bevel gear and the driven bevel gear are all positioned in the sliding groove; the driving bevel gear is arranged on the transmission shaft; the knob is arranged at the other end of the transmission shaft; the driving bevel gear is in meshed connection with the driven bevel gear; the driven bevel gear is arranged on the screw rod.

Preferably, the knob is in an inner angle knob structure.

Preferably, the first support plate is provided with a first telescopic rod; the first telescopic rod is arranged on the second supporting plate in a sliding mode.

Preferably, the rotating joints of the first clamping jaw and the second clamping jaw and the first supporting plate and the second supporting plate are provided with rotating frames.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:

in the utility model, the legs of the patient are firstly placed on the first supporting plate, and are clamped tightly by the first clamping jaw and the second clamping jaw, and are limited by the limiting mechanism; the position of the second supporting plate is adjusted according to the operation requirement after the clamping, and the leg of the patient is clamped by using the first clamping jaw and the second clamping jaw on the second supporting plate after the adjustment is completed, so that the leg of the patient is supported.

Drawings

Fig. 1 is a schematic structural view of a 3D printing osteotomy guide plate for knee joint varus surgery provided by the utility model.

Fig. 2 is a structural section view in the 3D printing osteotomy guide plate for knee joint varus surgery provided by the utility model.

Fig. 3 is an enlarged view of a point a in fig. 1.

Reference numerals: 1. a first support plate; 101. a first telescopic rod; 102. a sliding groove; 2. a second support plate; 201. a second telescopic rod; 3. a rotating frame; 4. a first jaw; 401. a connecting portion; 402. a limiting groove; 5. a second jaw; 501. connecting grooves; 502. a limiting hole; 6. a limiting mechanism; 601. a limiting column; 602. a handle; 603. an elastic member; 7. a transmission device; 701. a knob; 702. a drive shaft; 703. a drive bevel gear; 704. a driven bevel gear; 8. an installation table; 9. a moving mechanism; 901. a screw rod; 902. moving the mass.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the 3D printing osteotomy guide plate for knee joint varus surgery provided by the utility model comprises a first support plate 1, a second support plate 2, a second telescopic rod 201, a first clamping jaw 4, a second clamping jaw 5 and a limiting mechanism 6;

the second telescopic rod 201 is arranged on the second supporting plate 2, and the second telescopic rod 201 is connected with the first supporting plate 1 in a sliding mode; the first supporting plate 1 is provided with a sliding groove 102; the second telescopic rod 201 is positioned in the sliding groove 102, and the first supporting plate 1 is provided with a moving mechanism 9 for driving the second telescopic rod 201 to move; the number of the first clamping jaws 4 and the number of the second clamping jaws 5 are two, one first clamping jaw 4 and one second clamping jaw 5 are rotatably arranged on the first supporting plate 1, and the other first clamping jaw 4 and the other second clamping jaw 5 are rotatably arranged on the second supporting plate 2; the first clamping jaw 4 is provided with a connecting part 401; the connecting part 401 is provided with a limiting groove 402; the limiting mechanism 6 is arranged on the connecting part 401, and one end of the limiting mechanism 6 is positioned in the limiting groove 402; the second clamping jaw 5 is provided with a connecting groove 501 and a limiting hole 502 for embedding the connecting part 401; one end of the limiting mechanism 6 is clamped with the limiting hole 502.

In an alternative embodiment, two sets of limiting grooves 402 and limiting mechanisms 6 are symmetrically arranged, and each limiting mechanism 6 comprises a limiting column 601, a handle 602 and an elastic piece 603; one end of the limiting column 601 and one end of the handle 602 are both arranged in the limiting groove 402 in a sliding manner, and the handle 602 is arranged on the limiting column 601; the elastic piece 603 is located in the limiting groove 402, and two ends of the elastic piece 603 are respectively connected with the limiting column 601 and the bottom of the limiting groove 402; the other end of the limiting column 601 is clamped with the limiting hole 502.

It should be noted that, when the position of the connecting portion 401 needs to be changed, the handle 602 is pressed in the same direction, the handle 602 drives the limiting post 601 to move into the limiting groove 402, and the elastic member 603 is compressed, so that the limiting post 601 is separated from the limiting hole 502, and the limiting on the connecting portion 401 is released, so that the connecting portion 401 can move, when the connecting portion is moved to a proper position, the handle 602 is loosened, the elastic member 603 pushes the limiting post 601 to reset, the connecting portion 401 is moved, and the limiting post 601 is clamped into the nearest limiting hole 502.

In an alternative embodiment, the first support plate 1 is provided with two mounting platforms 8, and the two mounting platforms 8 are symmetrically arranged and located at two ends of the sliding groove 102; the moving mechanism 9 includes a lead screw 901 and a moving block 902; two ends of the screw 901 are respectively and rotatably arranged on the two mounting platforms 8; the moving block 902 is in threaded connection with the lead screw 901; the moving block 902 is arranged on the second telescopic rod 201; the first supporting plate 1 is provided with a transmission device 7 for driving the screw 901 to rotate.

It should be noted that the lead screw 901 rotates to drive the moving block 902 to move, the moving block 902 drives the second telescopic rod 201 to move, and the second telescopic rod 201 drives the second supporting plate 2 to move, so that the distance between the first supporting plate 1 and the second supporting plate 2 can be adjusted.

In an alternative embodiment, the transmission 7 includes a knob 701, a transmission shaft 702, a drive bevel gear 703, and a driven bevel gear 704; the transmission shaft 702 is rotatably disposed on the first support plate 1, and one end of the transmission shaft 702, the drive bevel gear 703 and the driven bevel gear 704 are all located in the sliding groove 102; the drive bevel gear 703 is provided on the drive shaft 702; a knob 701 is provided on the other end of the drive shaft 702; the drive bevel gear 703 is in meshed connection with the driven bevel gear 704; the driven bevel gear 704 is provided on the lead screw 901.

It should be noted that the knob 701 is rotated by a tool, the knob 701 drives the transmission shaft 702 to rotate, the transmission shaft 702 drives the driving bevel gear 703 to rotate, and the driving bevel gear 703 drives the driven bevel gear 704 to rotate, so as to drive the lead screw 901 to rotate, and enable the second telescopic rod 201 to move.

In an alternative embodiment, the knob 701 is an interior angle knob configuration.

It should be noted that the inner angle knob structure can prevent the mistaken collision, thereby avoiding causing secondary damage to the patient.

In an alternative embodiment, the first support plate 1 is provided with a first telescopic rod 101; the first telescopic rod 101 is slidably disposed on the second support plate 2.

It should be noted that the first telescopic rod 101 can improve the firmness of the connection between the first support plate 1 and the second support plate 2.

In an alternative embodiment, the rotating joints of the first clamping jaw 4 and the second clamping jaw 5 with the first supporting plate 1 and the second supporting plate 2 are provided with rotating frames 3.

It should be noted that the first clamping jaw 4 and the second clamping jaw 5 are respectively connected with the first supporting plate 1 and the second supporting plate 2 in a rotating manner through the rotating frame 3.

In the utility model, firstly, the legs of a patient are placed on the first supporting plate 1, and the legs of the patient are clamped tightly by the first clamping jaw 4 and the second clamping jaw 5, and are limited by the limiting mechanism; the position of the second support plate 2 is adjusted according to the operation requirement after the clamping, and the leg of the patient is clamped by using the first clamping jaw 4 and the second clamping jaw 5 on the second support plate 2 after the adjustment is finished, so that the leg of the patient is supported.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A3D printing osteotomy guide plate for knee joint varus surgery is characterized by comprising a first support plate (1), a second support plate (2), a second telescopic rod (201), a first clamping jaw (4), a second clamping jaw (5) and a limiting mechanism (6);

the second telescopic rod (201) is arranged on the second supporting plate (2), and the second telescopic rod (201) is connected with the first supporting plate (1) in a sliding mode; a sliding groove (102) is arranged on the first supporting plate (1); the second telescopic rod (201) is positioned in the sliding groove (102), and the first supporting plate (1) is provided with a moving mechanism (9) for driving the second telescopic rod (201) to move; the two first clamping jaws (4) and the two second clamping jaws (5) are arranged, one first clamping jaw (4) and one second clamping jaw (5) are rotatably arranged on the first supporting plate (1), and the other first clamping jaw (4) and the other second clamping jaw (5) are rotatably arranged on the second supporting plate (2); the first clamping jaw (4) is provided with a connecting part (401); a limiting groove (402) is arranged on the connecting part (401); the limiting mechanism (6) is arranged on the connecting part (401), and one end of the limiting mechanism (6) is positioned in the limiting groove (402); the second clamping jaw (5) is provided with a connecting groove (501) and a limiting hole (502) which are used for being embedded into the connecting part (401); one end of the limiting mechanism (6) is clamped with the limiting hole (502).

2. The 3D printing osteotomy guide plate for the knee joint varus surgery according to claim 1, wherein the limiting groove (402) and the limiting mechanism (6) are symmetrically provided with two groups, and the limiting mechanism (6) comprises a limiting column (601), a handle (602) and an elastic member (603); one ends of the limiting column (601) and the handle (602) are arranged in the limiting groove (402) in a sliding manner, and the handle (602) is arranged on the limiting column (601); the elastic piece (603) is positioned in the limiting groove (402), and two ends of the elastic piece (603) are respectively connected with the limiting column (601) and the bottom of the limiting groove (402); the other end of the limiting column (601) is clamped with the limiting hole (502).

3. The 3D printing osteotomy guide plate for knee joint varus surgery according to claim 1, wherein the first support plate (1) is provided with two mounting tables (8), and the two mounting tables (8) are symmetrically arranged and are positioned at two ends of the sliding groove (102); the moving mechanism (9) comprises a lead screw (901) and a moving block (902); two ends of the screw rod (901) are respectively and rotatably arranged on the two mounting platforms (8); the moving block (902) is in threaded connection with the lead screw (901); the moving block (902) is arranged on the second telescopic rod (201); the first supporting plate (1) is provided with a transmission device (7) for driving the screw rod (901) to rotate.

4. The 3D printed bone guide for knee varus surgery according to claim 3, characterized in that the transmission means (7) comprises a knob (701), a transmission shaft (702), a drive bevel gear (703) and a driven bevel gear (704); the transmission shaft (702) is rotatably arranged on the first supporting plate (1), and one end of the transmission shaft (702), the driving bevel gear (703) and the driven bevel gear (704) are all positioned in the sliding groove (102); the drive bevel gear (703) is arranged on the transmission shaft (702); the knob (701) is arranged at the other end of the transmission shaft (702); the driving bevel gear (703) is in meshed connection with the driven bevel gear (704); the driven bevel gear (704) is arranged on the screw rod (901).

5. The 3D printed osteotomy guide for knee varus surgery of claim 4, wherein the knob (701) is an internal angle knob structure.

6. The 3D printing osteotomy guide for knee joint varus surgery according to claim 1, characterized in that the first support plate (1) is provided with a first telescopic rod (101); the first telescopic rod (101) is arranged on the second supporting plate (2) in a sliding mode.

7. The 3D printing osteotomy guide for knee joint varus surgery according to claim 1, wherein the rotational joints of the first clamping jaw (4) and the second clamping jaw (5) and the first supporting plate (1) and the second supporting plate (2) are provided with rotating frames (3).