CN210408580U

CN210408580U - Clinical bone grafting device of orthopedics

Info

Publication number: CN210408580U
Application number: CN201920680789.8U
Authority: CN
Inventors: 王小鹤; 邹华; 冯乾; 赵小锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-04-28
Anticipated expiration: 2029-05-13

Abstract

The utility model discloses a clinical bone grafting device of orthopedics relates to medical equipment technical field. It comprises a bottom plate; a telescopic rod is fixed in the middle of the left end of the bottom plate; a cross bar is fixed at the top end of the telescopic rod; a through groove is formed in the right part of the cross rod; a positioning disc is connected in the through groove in a sliding manner; the front side and the rear side in the through groove are respectively provided with a sliding groove; a central shaft is fixed in the middle of the positioning disc; the lower side of the positioning plate is fixedly connected with a mounting plate; the middle part of the lower end of the mounting plate is fixedly connected with a box body; a lead screw is arranged in the inner thread of the box body; in the box body, the screw threads of the left part and the right part of the screw rod are opposite in rotating direction; the left part and the right part of the screw rod are respectively in threaded connection with a sliding block; a clamping plate is fixed at the lower end of the sliding block; the front side and the rear side of the mounting plate are respectively provided with an adjusting groove; the adjusting groove is internally and slidably connected with an adjusting block; the adjusting block is in threaded connection with a positioning rod. The utility model has the advantages that: the splint has stronger adjustability, better adapts to the operation space, and can conveniently adjust the end position of the limited bone grafting.

Description

Clinical bone grafting device of orthopedics

Technical Field

The utility model relates to the technical field of medical equipment.

Background

The bone grafting device can be used for bone grafting operation and the like, and is an important medical instrument. In the bone grafting operation, a bone graft is used to connect a broken bone, the bone graft is fixed by a bone grafting device after the operation is performed on the broken bone, a bone plate is used to fixedly connect a newly-implanted bone and the broken bone, and then a growth agent and other agents are injected to complete the bone grafting operation. However, in a general bone grafting device, a new bone graft is clamped and fixed by using a splint, but the adjustment performance is poor, generally only the height position can be adjusted, the angle of the splint cannot be adjusted, and the like, and due to the limitation of the bone grafting operation position, the operation space and the like, the adaptability is poor due to poor adjustment performance, and the requirements of the bone grafting operation cannot be met; when the splint is used for clamping and fixing, the butt joint of the end part of the new bone grafting is not perfect, and the adjustment is needed, so that the adjustment of the common bone grafting device is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the technique that exists is not enough to the aforesaid, provides a clinical bone grafting device of orthopedics. The splint has stronger adjustability, better adapts to the operation space, and can conveniently adjust the end position of the limited bone grafting.

The utility model adopts the technical proposal that: provides an orthopedic clinical bone grafting device, which comprises a bottom plate; a telescopic rod is fixed in the middle of the left end of the bottom plate; the telescopic opening of the telescopic rod is in threaded connection with a positioning bolt; a cross bar is fixed at the top end of the telescopic rod; a through groove is formed in the right part of the cross rod; a positioning disc is connected in the through groove in a sliding manner; the front side and the rear side in the through groove are respectively provided with a sliding groove; a central shaft is fixed in the middle of the positioning disc; the front end and the rear end of the central shaft are respectively connected with the sliding chutes on the front side and the rear side in a sliding manner; a plurality of threaded holes are uniformly formed in the front end of the right part of the cross rod; the threaded hole is communicated with the through groove and is positioned above the sliding groove; the internal thread of the threaded hole is connected with a puller bolt; the lower side of the positioning plate is fixedly connected with a mounting plate; the middle part of the lower end of the mounting plate is fixedly connected with a box body; a lead screw is arranged in the inner thread of the box body; the left side and the right side of the screw rod are respectively and rotatably connected with the left side wall and the right side wall of the box body; the right end of the screw rod penetrates through the right side wall of the box body, and a handle is fixed at the right end of the screw rod; in the box body, the screw threads of the left part and the right part of the screw rod are opposite in rotating direction; the left part and the right part of the screw rod are respectively in threaded connection with a sliding block; a clamping plate is fixed at the lower end of the sliding block; the front side and the rear side of the mounting plate are respectively provided with an adjusting groove; the adjusting groove is internally and slidably connected with an adjusting block; the adjusting block is in threaded connection with a positioning rod; the upper part of the positioning rod is in threaded connection with the adjusting block.

Further optimizing the technical scheme, the lower part of a positioning rod of the orthopedic clinical bone grafting device is sleeved with a conical lampshade in a sliding manner; the inner side of the lampshade is uniformly provided with illuminating lamp beads along the ring shape.

Further optimizes the technical proposal, and an operation pad is fixed on the bottom plate of the orthopedic clinical bone grafting device.

Further optimize this technical scheme, the locating lever lower extreme of the clinical bone grafting device of orthopedics is fixed with the rubber pad.

The utility model has the advantages that:

1. through the cooperation of lead screw and slider, the splint of usable both sides are fixed the centre gripping to the bone grafting middle part, and the locating lever of both sides sets up the spacing form in accessible top around, highly spacing of both sides around the bone grafting to in aim at the position of bone grafting and disconnected bone. The left and right positions can be conveniently adjusted by sliding the positioning disc in the through groove, meanwhile, the rotary disc can rotate in a vertical plane by virtue of the sliding connection between the central shaft and the sliding groove, the positioning can be realized by the tightening bolt, the clamping angle of the clamping plate can be adjusted, the adaptability is improved, the clamping under various angles can be realized, the operation space and the like can be adapted, and the operation is convenient to carry out;

2. the positioning rods are positioned at the front side and the rear side, the positions can be adjusted in a sliding mode to correspond to the positions of the front side and the rear side of the bone grafting, and the lighting lamp beads are arranged to achieve lighting better, so that the operation visual field is clearer;

3. the arrangement of the operation pad can improve the comfort level;

4. the rubber pad is arranged at the lower end of the positioning rod, so that the rubber pad is contacted with the bone grafting, the safety can be improved by utilizing the elastic buffering capacity, and the overlarge pressure degree of the positioning rod under the bone grafting is avoided.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a structural schematic diagram of a rear side viewing angle of the present invention;

FIG. 3 is a bottom view of the structure of the present invention;

FIG. 4 is a schematic view of a part of the positioning plate of the present invention;

FIG. 5 is a schematic view of the clamping plate adjusting structure of the present invention;

fig. 6 is a schematic circuit diagram of the lighting lamp bead of the present invention;

in the figure, 1, a bottom plate; 2. a telescopic rod; 3. positioning the bolt; 4. a cross bar; 5. a through groove; 6. a chute; 7. positioning a plate; 8. a central shaft; 9. a threaded hole; 10. jacking the bolt; 11. mounting a plate; 12. a box body; 13. a lead screw; 14. a handle; 15. a slider; 16. a splint; 17. an adjustment groove; 18. an adjusting block; 19. positioning a rod; 20. a lamp shade; 21. a lighting lamp bead; 22. an operation pad; 23. and (7) a rubber pad.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 6, an orthopedic clinical bone grafting device includes a base plate 1; a telescopic rod 2 is fixed in the middle of the left end of the bottom plate 1; the telescopic opening of the telescopic rod 2 is in threaded connection with a positioning bolt 3; a cross bar 4 is fixed at the top end of the telescopic rod 2; a through groove 5 is formed at the right part of the cross rod 4; a positioning disc 7 is connected in the through groove 5 in a sliding manner; the front side and the rear side in the through groove 5 are respectively provided with a sliding groove 6; a central shaft 8 is fixed in the middle of the positioning disc 7; the front end and the rear end of the central shaft 8 are respectively connected with the sliding chutes 6 at the front side and the rear side in a sliding way; a plurality of threaded holes 9 are uniformly formed in the front end of the right part of the cross rod 4; the threaded hole 9 is communicated with the through groove 5, and the threaded hole 9 is positioned above the sliding groove 6; a jacking bolt 10 is connected with the internal thread of the threaded hole 9; the lower side of the positioning disc 7 is fixedly connected with a mounting plate 11; the middle part of the lower end of the mounting plate 11 is fixedly connected with a box body 12; a screw rod 13 is arranged in the box body 12; the left side and the right side of the screw rod 13 are respectively connected with the left side wall and the right side wall of the box body 12 in a rotating way; the right end of the screw rod 13 penetrates through the right side wall of the box body 12, and a handle 14 is fixed at the right end of the screw rod 13; in the box body 12, the thread directions of the left part and the right part of the screw rod 13 are opposite; the left part and the right part of the screw rod 13 are respectively in threaded connection with a slide block 15; a clamping plate 16 is fixed at the lower end of the sliding block 15; the front side and the rear side of the mounting plate 11 are respectively provided with an adjusting groove 17; an adjusting block 18 is connected in the adjusting groove 17 in a sliding manner; a positioning rod 19 is connected to the adjusting block 18 through threads; the upper part of the positioning rod 19 is in threaded connection with the adjusting block 18; the lower part of the positioning rod 19 is sleeved with a conical lampshade 20 in a sliding manner; the inner side of the lampshade 20 is uniformly provided with illuminating lamp beads 21 along the ring shape; an operation pad 22 is fixed on the bottom plate 1; a rubber pad 23 is fixed at the lower end of the positioning rod 19.

The utility model discloses when using, but 2 height-adjusting of telescopic link utilize positioning bolt 3 fixed, the position of slip positioning disk 7 to and rotate positioning disk 7, realize adjusting splint 16's centre gripping angle and position, with adaptation operation position and space etc.. The bone graft is held and fixed by the splint 16, and then the bone graft and the fractured bone are connected by a bone plate or the like (the operation steps of the bone graft operation including injection of a medicament or the like are disclosed in various patent documents and will not be described herein). When utilizing splint 16, through rotating lead screw 13, make two sliders 15 be close to the centre, then the splint 16 of the left and right sides is close to and carries out the centre gripping to the bone of planting to the centre and fix, it docks with disconnected bone to plant the bone, through the regulation adaptation of telescopic link 2 and earlier stages such as positioning disk 7, it is located the operation position to plant the bone, then utilize locating lever 19 to adjust spacingly, make the position correspondence of the better realization both ends of bone of planting etc., lower extreme position can be adjusted to rotatory locating lever 19, it is fixed by splint 16 to plant the bone middle part, rotation regulation about the both ends can be done through locating lever 19's spacing extrusion in front and back, make the tip position butt joint good, avoid appearing the perk etc. of tip.

The positioning disk 7 can be followed and led to groove 5 horizontal slip, can rotate around center pin 8 simultaneously, then can adjust splint 16's position and angle etc. lead to groove 5 and run through from top to bottom, simultaneously with the right-hand member intercommunication of horizontal pole 4, at the right-hand member of horizontal pole 4, positioning disk 7 turned angle is bigger, and splint 16 adjustable angle is bigger. The positions of all the positioning plates 7 can be covered by the arrangement of the threaded holes 9, and the positioning plates 7 can be extruded and fixed by the tightening bolts 10 at the opposite positions. The diameter of the positioning plate 7 is larger than the thickness of the cross plate. The front side and the rear side in the through groove 5 are provided with sliding grooves 6, and the sliding grooves 6 are positioned at the front part and the rear part of the transverse plate and communicated with the through groove 5.

In the operation process, for example the alignment of bone grafting tip position etc. usable lighting lamp pearl 21 throws light on, and luminance is improved, is close the operation position, and the shadow influence of the lamp pearl reducible locating lever 19 of annular distribution. The lamp housing 20 can slide up and down along the lower part of the positioning rod 19 for adjustment. The lamp housing 20 and the positioning rod 19 are positioned by friction.

The clamp plate 16 may be appropriately selected according to the structure of the patent, the clamping requirements, and the like.

The adjusting block 18 slides back and forth in the adjusting groove 17 to be positioned according to the friction force.

The rubber pad 23 has certain shaping capacity and elastic deformation capacity, so that too strong hard extrusion to the bone grafting can be avoided as much as possible, the positioning rod 19 plays a role in upper limiting adjustment, and the contact end has certain elasticity (having elasticity but still having shaping capacity) and does not influence the adjustment effect.

The electrical components related in the present application are all conventional components in the field, and belong to the technical means disclosed, and according to the description content of the present application, a person skilled in the art can clearly know which specific model, which installation and connection manner, and the control circuit are selected, and no further description is needed herein. For example, the lighting lamp bead 21 can select the model such as the BLED110, and can be connected with an external power supply.

Claims

1. The utility model provides an orthopedics clinical bone grafting device which characterized in that: comprises a bottom plate (1); a telescopic rod (2) is fixed in the middle of the left end of the bottom plate (1); the telescopic opening of the telescopic rod (2) is in threaded connection with a positioning bolt (3); a cross bar (4) is fixed at the top end of the telescopic rod (2); a through groove (5) is formed in the right part of the cross rod (4); a positioning disc (7) is connected in the through groove (5) in a sliding way; the front side and the rear side in the through groove (5) are respectively provided with a sliding groove (6); a central shaft (8) is fixed in the middle of the positioning disc (7); the front end and the rear end of the central shaft (8) are respectively connected with the sliding chutes (6) at the front side and the rear side in a sliding way; a plurality of threaded holes (9) are uniformly formed in the front end of the right part of the cross rod (4); the threaded hole (9) is communicated with the through groove (5), and the threaded hole (9) is positioned above the sliding groove (6); a jacking bolt (10) is connected with the internal thread of the threaded hole (9); the lower side of the positioning disc (7) is fixedly connected with a mounting plate (11); the middle part of the lower end of the mounting plate (11) is fixedly connected with a box body (12); a screw rod (13) is arranged in the inner thread of the box body (12); the left side and the right side of the screw rod (13) are respectively and rotatably connected with the left side wall and the right side wall of the box body (12); the right end of the screw rod (13) penetrates through the right side wall of the box body (12), and a handle (14) is fixed at the right end of the screw rod (13); the thread directions of the left part and the right part of the lead screw (13) are opposite in the box body (12); the left part and the right part of the screw rod (13) are respectively in threaded connection with a sliding block (15); a clamping plate (16) is fixed at the lower end of the sliding block (15); the front side and the rear side of the mounting plate (11) are respectively provided with an adjusting groove (17); an adjusting block (18) is connected in the adjusting groove (17) in a sliding way; a positioning rod (19) is connected to the adjusting block (18) through threads; the upper part of the positioning rod (19) is connected with the adjusting block (18) by screw thread.

2. The clinical bone grafting device of orthopedics department of claim 1, characterized in that: the lower part of the positioning rod (19) is sleeved with a conical lampshade (20) in a sliding manner; the inner side of the lampshade (20) is uniformly provided with illuminating lamp beads (21) along the ring shape.

3. The clinical bone grafting device of orthopedics department of claim 1, characterized in that: an operation pad (22) is fixed on the bottom plate (1).

4. The clinical bone grafting device of orthopedics department of claim 1, characterized in that: the lower end of the positioning rod (19) is fixed with a rubber pad (23).