CN216702596U

CN216702596U - Two unification intercondylar of knee joint cut bone device

Info

Publication number: CN216702596U
Application number: CN202123160231.3U
Authority: CN
Inventors: 梁保党; 关卓然; 王小剑; 杨浩森
Original assignee: Dezhou Joint Medical Equipment Co ltd
Current assignee: Dezhou Joint Medical Equipment Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-06-10
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a knee joint two-in-one intercondylar osteotomy device, which relates to the technical field of intercondylar osteotomy and solves the technical problems that the existing knee joint two-in-one intercondylar osteotomy device in the current market wastes some reusable bone substances, if the bone grafting operation is needed next, the bone substances cannot be reused, and friction is generated due to inaccurate positioning between a grinding drill and a guider of the intercondylar osteotomy device to hinder the grinding drill from grinding the bone to normally work; including the drill bushing, its characterized in that: the top of the drill bushing is provided with a driver, and an output shaft of the driver is fixedly connected with a linkage rod through a coupler; the utility model has the advantages that the fixing plate is provided with the positioning sleeve through the locking piece, the locking rod in the locking piece penetrates through the connecting plate on the side surface of the positioning sleeve and the side surface of the fixing plate, and the rotating sleeve in threaded connection with the top end of the locking rod can lock the locking rod, so that the position of the positioning sleeve can be fixed. So that the positioning is accurate.

Description

Two unification intercondylar of knee joint cut bone device

Technical Field

The utility model relates to the technical field of intercondylar osteotomy, in particular to a knee joint two-in-one intercondylar osteotomy device.

Background

The knee intercondylar osteotomy device is an instrument for processing an intercondylar notch in a total knee surface replacement operation. The existing knee joint intercondylar osteotomy device is a necessary instrument in knee joint operation, and is formed by matching a grinding drill, an intercondylar osteotomy guider and a trial condyle for use, wherein the grinding drill is used for grinding and removing intercondylar notch bone through trial condyle positioning and guiding of the intercondylar guider, so that the intercondylar notch bone of the femur can be removed, prosthesis implantation in an operation is ensured, and the success of the operation is ensured.

However, in the existing knee joint two-in-one intercondylar osteotomy device in the market at present, some reusable bone substances are wasted, if bone grafting operation is needed next, the bone substances cannot be reused, and friction can be generated due to inaccurate positioning between a grinding drill and a guider of the intercondylar osteotomy device, so that the normal work of the grinding drill for grinding bones is hindered.

SUMMERY OF THE UTILITY MODEL

The utility model provides a knee joint two-in-one intercondylar osteotomy device, which solves the technical problems that in the existing knee joint two-in-one intercondylar osteotomy device in the market at present, some reusable bone substances are wasted in the osteotomy process, if bone grafting operation is needed next, the bone substances cannot be reused, friction is generated due to inaccurate positioning between a grinding drill and a guider of the intercondylar osteotomy device, and the normal work of the grinding drill for grinding bones is blocked.

In order to solve the technical problem, the utility model provides a knee joint two-in-one intercondylar osteotomy device which comprises a drill bushing, wherein a driver is installed at the top of the drill bushing, an output shaft of the driver is fixedly connected with a linkage rod through a coupler, a threaded sleeve is fixedly connected at the bottom of the driver, a drill rod is fixedly installed at the bottom end of the linkage rod through a screw, a drill bit is welded at the bottom end of the drill rod, a fixing plate is welded on the side face of the bottom of the drill bushing, a positioning sleeve is installed on the side face of the fixing plate through a locking piece, and a discharge groove is formed in the middle of the side face of the drill bushing.

Preferably, a grab handle is arranged on the side surface of the top of the drill bushing, and a convex block is arranged on the side surface of the grab handle; the side surface of the grab handle arranged on the side surface of the drill bushing is welded with a convex block, so that the friction force between the drill bushing and the hand of the medical staff can be increased, and the hand sliding operation is avoided.

Preferably, a first threaded hole is formed in the top of the drill bushing, and the inner side of the first threaded hole is in threaded connection with a threaded bushing at the bottom of the driver; quick mounting and dismounting of the driver can be realized.

Preferably, the top of the drill rod is provided with a clamping groove, the inner side of the clamping groove is clamped with the bottom end of the linkage rod, and the side surface of the drill rod is provided with a threaded hole II in threaded connection with the bottom end of the screw; the top of drill bushing is through screw hole one and screw bushing installation driver, and the output shaft of driver passes through shaft coupling installation gangbar, and the gangbar passes through the screw joint in the draw-in groove at drilling rod top, can realize the dismantlement of drilling rod and change, and the row's silo that the drill bushing side was seted up can conveniently be collected exhaust sclerotin.

Preferably, the locking piece comprises a locking rod, a disk and a rotating sleeve, the disk is welded at the bottom end of the locking rod, and the front end of the locking rod is in threaded connection with the rotating sleeve; the fixed plate is provided with the locating sleeve through the locking piece, the locking bar in the locking piece penetrates through the connecting plate on the side face of the locating sleeve and the side face of the fixed plate, and the rotating sleeve in threaded connection with the top end of the locking bar can lock the locking bar, so that the position of the locating sleeve can be fixed. So that the positioning is accurate.

Preferably, the side of the positioning sleeve is fixedly connected with a connecting plate, the side of the connecting plate is provided with a through groove, and the inner side of the through groove is movably connected with the lock rod.

Compared with the related art, the knee joint two-in-one intercondylar osteotomy device provided by the utility model has the following beneficial effects:

the utility model provides a knee joint two-in-one intercondylar osteotomy device, wherein a driver is installed on the top of a drill sleeve through a first threaded hole and a threaded sleeve, an output shaft of the driver is provided with a linkage rod through a coupler, the linkage rod is clamped in a clamping groove in the top of a drill rod through a screw, the drill rod can be detached and replaced, and a discharge groove is formed in the side surface of the drill sleeve, so that discharged bone can be conveniently collected.

The utility model provides a knee joint two-in-one intercondylar osteotomy device, which can increase the friction force between a drill bushing and the hand of a medical worker by welding a convex block on the side surface of a grab handle arranged on the side surface of the drill bushing, avoid the occurrence of hand sliding operation, wherein the bottom of the drill bushing is provided with a fixed plate which is provided with a positioning bushing through a locking piece, a locking rod in the locking piece penetrates through a connecting plate on the side surface of the positioning bushing and the side surface of the fixed plate, and a rotating bushing in threaded connection with the top end of the locking rod can lock the locking rod, so that the position of the positioning bushing can be fixed. So that the positioning is accurate.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a partial front view of the structure of the present invention;

FIG. 3 is a view of the structural linkage rod in combination with a drill rod of the present invention;

FIG. 4 is a view of a structural drill rod of the present invention;

fig. 5 is a view of the structural locking member of the present invention.

Reference numbers in the figures: 1. drilling a sleeve; 2. a handle; 3. a bump; 4. a driver; 5. a linkage rod; 6. a coupling; 7. a first threaded hole; 8. a screw; 9. a drill stem; 10. a drill bit; 11. a threaded sleeve; 12. a card slot; 13. a second threaded hole; 14. a fixing plate; 15. a locking member; 151. a lock lever; 152. a disc; 153. rotating the sleeve; 16. a positioning sleeve; 17. a connecting plate; 18. a discharge chute; 19. a through groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the first embodiment, as shown in fig. 1-5, the two-in-one intercondylar osteotomy device for the knee joint comprises a drill bushing 1, wherein a driver 4 is installed at the top of the drill bushing 1, an output shaft of the driver 4 is fixedly connected with a linkage rod 5 through a coupler 6, the bottom of the driver 4 is fixedly connected with a threaded sleeve 11, a drill rod 9 is fixedly installed at the bottom end of the linkage rod 5 through a screw 8, a drill bit 10 is welded at the bottom end of the drill rod 9, a fixing plate 14 is welded at the side face of the bottom of the drill bushing 1, a positioning sleeve 16 is installed at the side face of the fixing plate 14 through a locking piece 15, and a discharge groove 18 is formed in the middle of the side face of the drill bushing 1.

In the second embodiment, on the basis of the first embodiment, the side surface of the top of the drill bushing 1 is provided with a grab handle 2, and the side surface of the grab handle 2 is provided with a convex block 3; the side surface of the grab handle 2 arranged on the side surface of the drill bushing 1 is welded with the convex block 3, so that the friction force between the drill bushing 1 and the hand of the medical staff can be increased, and the hand sliding operation is avoided.

In the third embodiment, on the basis of the first embodiment, the top of the drill bushing 1 is provided with a first threaded hole 7, and the inner side of the first threaded hole 7 is in threaded connection with a threaded sleeve 11 at the bottom of the driver 4; quick mounting and dismounting of the drive 4 can be achieved.

In the fourth embodiment, on the basis of the first embodiment, a clamping groove 12 is formed in the top of the drill rod 9, the inner side of the clamping groove 12 is clamped with the bottom end of the linkage rod 5, and a threaded hole II 13 in threaded connection with the bottom end of the screw 8 is formed in the side surface of the drill rod 9; the top of the drill bushing 1 is provided with a driver 4 through a first threaded hole 7 and a first threaded sleeve 11, an output shaft of the driver 4 is provided with a linkage rod 5 through a coupler 6, the linkage rod 5 is connected in a clamping groove 12 at the top of a drill rod 9 in a clamping mode through a screw 8, the drill rod 9 can be detached and replaced, a discharge groove 18 formed in the side face of the drill bushing 1 is provided, and discharged bone can be collected conveniently.

Fifth embodiment, on the basis of the first embodiment, the locking member 15 includes a locking rod 15, a disk 152 and a rotating sleeve 153, the disk 152 is welded at the bottom end of the locking rod 15, and the front end of the locking rod 15 is in threaded connection with the rotating sleeve 153; the fixing plate 14 is provided with a positioning sleeve 16 through a locking piece 15, the locking piece internal locking rod 15 penetrates through a connecting plate 17 on the side surface of the positioning sleeve 16 and the side surface of the fixing plate 14, and a rotating sleeve 153 in threaded connection with the top end of the locking rod 15 can lock the locking rod 15, so that the position of the positioning sleeve 16 can be fixed. So that the positioning is accurate.

In the sixth embodiment, on the basis of the first embodiment, a connecting plate 17 is fixedly connected to the side surface of the positioning sleeve 16, a through groove 19 is formed in the side surface of the connecting plate 17, and the inner side of the through groove 19 is movably connected with the lock rod 15.

The working principle is as follows:

the first innovation point implementation step:

the first step is as follows: firstly, taking the equipment out for disinfection treatment;

the second step is that: the top of the drill bushing 1 is provided with a driver 4 through a first threaded hole 7 and a threaded bushing 11, and an output shaft of the driver 4 is provided with a linkage rod 5 through a coupler 6;

the third step: the linkage rod 5 is clamped in a clamping groove 12 at the top of the drill rod 9 through a screw 8, the drill rod 9 can be detached and replaced, and the discharging groove 18 formed in the side surface of the drill sleeve 1 can facilitate the collection of discharged bone.

The implementation step of the second innovation point:

the first step is as follows: the side surface of a grab handle 2 arranged on the side surface of the drill bushing 1 is welded with a convex block 3, so that the friction force between the drill bushing 1 and the hand of the medical staff can be increased, and the hand sliding operation is avoided;

the second step is that: a fixing plate 14 is arranged at the bottom of the drill bushing 1, the fixing plate 14 is provided with a positioning sleeve 16 through a locking piece 15, and a locking rod 15 in the locking piece penetrates through a connecting plate 17 on the side surface of the positioning sleeve 16 and the side surface of the fixing plate 14;

the third step: the rotating sleeve 153 screwed on the top end of the lock rod 15 can lock the lock rod 15, so that the position of the positioning sleeve 16 can be fixed. So that the positioning is accurate.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a two unification intercondylar of knee joint cuts bone device, includes drill bushing (1), its characterized in that: driver (4) are installed at the top of drill bushing (1), the output shaft of driver (4) passes through shaft coupling (6) fixedly connected with gangbar (5), the bottom fixedly connected with thread bush (11) of driver (4), screw (8) fixed mounting is passed through to the bottom of gangbar (5) has drilling rod (9), the bottom welding of drilling rod (9) has drill bit (10), the bottom side welding of drill bushing (1) has fixed plate (14), locking piece (15) installation position sleeve (16) are passed through to the side of fixed plate (14), row's silo (18) have been seted up at the side middle part of drill bushing (1).

2. The knee joint two-in-one intercondylar osteotomy device according to claim 1, wherein a handle (2) is provided on a top side of the drill sleeve (1), and a protrusion (3) is provided on a side of the handle (2).

3. The two-in-one knee intercondylar osteotomy device according to claim 1, wherein the top of the drill sleeve (1) is provided with a first threaded hole (7), and the inner side of the first threaded hole (7) is in threaded connection with a threaded sleeve (11) at the bottom of the driver (4).

4. The knee joint two-in-one intercondylar osteotomy device according to claim 1, wherein a clamping groove (12) is formed at the top of the drill rod (9), the inner side of the clamping groove (12) is clamped with the bottom end of the linkage rod (5), and a threaded hole two (13) in threaded connection with the bottom end of the screw (8) is formed in the side surface of the drill rod (9).

5. The two-in-one knee intercondylar osteotomy device of claim 1, wherein said locking member (15) comprises a locking rod (151), a disc (152) and a rotating sleeve (153), the disc (152) is welded to the bottom end of the locking rod (151), and the rotating sleeve (153) is screwed to the front end of the locking rod (151).

6. The knee joint two-in-one intercondylar osteotomy device according to claim 1, wherein a connecting plate (17) is fixedly connected to a side surface of the positioning sleeve (16), a through groove (19) is formed in a side surface of the connecting plate (17), and an inner side of the through groove (19) is movably connected with the lock rod (151).