CN218922760U - Bone grafting device - Google Patents

Abstract

The utility model discloses an osteosynthesis device, which comprises an osteosynthesis device main body, wherein the top surface of the osteosynthesis device main body is fixedly connected with a fixed plate, a piston column is inserted in the fixed plate, the bottom end of the piston column is fixedly connected with a pushing piston, the top end of the piston column is fixedly connected with a pressing plate, the top surface of the fixed plate is fixedly connected with a fixed frame, the outer side of the fixed frame is fixedly connected with a storage frame, and the inner wall of the storage frame is abutted against a first limiting plate. According to the utility model, the piston column can conveniently move in the fixed frame by pressing the pressing plate, so that the piston is conveniently pushed, the first limiting plate can drive the limiting pin to be inserted between the plurality of groups of clamping blocks to perform auxiliary clamping action by the elastic force of the connecting spring, and therefore, the limiting pin sequentially moves in the plurality of groups of clamping blocks in the process of pressing the piston column, and the injection quantity can be judged and controlled.

Description

Bone grafting device

Technical Field

The utility model relates to the technical field of bone grafting devices, in particular to a bone grafting device.

Background

In the field of orthopaedics, bone grafting surgery is mainly to implant fillers such as bone tissues or biological materials to bone defects or bone reinforcing or guiding fusion parts of patients through bone grafting devices, wherein the bone grafting is commonly used in the fields of bone defects, filling cystic focuses or cavity left after scraping, vertebra and joint fusion and the like.

The patent publication No. CN215937630U, an osteotome, which relates to the field of medical appliances, comprises an injection component and a feeding component; the injection assembly comprises an injection tube, a rubber piston arranged in the injection tube and attached to the inner wall of the injection tube, a necking ring fixedly connected to one end of the injection tube, a sealing plate fixedly connected to the other end of the injection tube, and a push rod penetrating through the sealing plate, wherein one end of the push rod is connected with the rubber piston, and the other end of the push rod is arranged outside the injection tube; the feeding assembly comprises a mounting pipe sleeved on one end of the injection pipe provided with the necking ring and an adjusting pipe sleeved on the mounting pipe; the diameter of the small end of the adjusting pipe is smaller than that of the mounting pipe, and the diameter of the large end of the adjusting pipe is not smaller than that of the mounting pipe; a plurality of deformation grooves are formed in the small end of the adjusting pipe, the deformation grooves are strip-shaped grooves, the deformation grooves extend along the length direction of the adjusting pipe, and the deformation grooves penetrate through the pipe wall of the adjusting pipe. This application has the effect of being fit for not equidimension bone grafting eye, and this bone grafting ware adopts the screw rod mode of rotation to pour into, leads to when annotating, needs two hands simultaneous operation, and not only the operation is inconvenient still can prolong injection efficiency, and for this reason, we propose a bone grafting ware and solve above-mentioned problem.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an osteotome.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an bone grafting device, includes bone grafting device main part, the top fixed surface of bone grafting device main part is connected with the fixed plate, and the inside of fixed plate inserts and is equipped with the piston post, the bottom fixedly connected with of piston post promotes the piston, the top fixedly connected with of piston post presses the board, the top fixed surface of fixed plate is connected with the fixed frame, and the outside fixedly connected with of fixed frame accomodates the frame, the inner wall of accomodating the frame is contradicted and is had first limiting plate, and the side fixedly connected with spacer pin of first limiting plate.

Preferably, the surface of the piston column is provided with a strip-shaped groove matched with the limiting pin, a plurality of groups of clamping blocks are arranged on the inner wall of the strip-shaped groove at equal intervals, an inclined plane is arranged on the top surface of the limiting pin, and auxiliary personnel can push the piston column through the plurality of groups of clamping blocks.

Preferably, a round hole matched with the piston column is formed in the top surface of the fixed frame, two groups of first sliding blocks are symmetrically arranged on the inner wall of the round hole, sliding grooves matched with the first sliding blocks are formed in two sides of the piston column, and the movement of the piston column can be guided through the first sliding blocks.

Preferably, one side of the first limiting plate, which is far away from the limiting pin, is welded with one end of the connecting spring, and the other end of the connecting spring is welded with the side face of the second limiting plate, so that the effect of pushing the first limiting plate can be achieved through the connecting spring.

Preferably, the outer surface thread of accomodating the frame inserts and is equipped with the drive screw rod, and drives the screw rod and insert the one end of establishing in accomodating the frame inside and install the inside at the second limiting plate through the bearing, can conveniently control the effect of second limiting plate through driving the screw rod.

Preferably, the first limiting plate is set to be cuboid, the second limiting plate is set to be cuboid, the surface size of the first limiting plate is the same as the surface size of the second limiting plate, and the connecting spring can be installed through the surface size phase adaptation of the first limiting plate and the second limiting plate.

Preferably, the two sides of the second limiting plate are fixedly connected with second sliding blocks, a sliding groove matched with the second sliding blocks is formed in the inner wall of the storage frame, and the second limiting plate can be limited through the second sliding blocks.

Compared with the prior art, the utility model has the beneficial effects that:

1. the device can conveniently make the piston post remove in the inside of fixed frame through pressing the clamp plate to can play the effect of conveniently promoting the promotion piston, and through the elasticity of connecting spring self, can make first limiting plate drive the spacer pin insert between the multiunit screens piece with the piston post carry out supplementary block effect, thereby press the piston post in-process, the spacer pin removes in proper order in multiunit screens piece is inside, can judge the control to the injection volume.

2. The device drives the screw rod through rotating, can conveniently promote the inside removal of second limiting plate at the storage frame, when the second limiting plate is at the removal in-process, can make connecting spring be compressed state, at this moment can conveniently drive the spacer pin with first limiting plate and keep inserting between the multiunit screens piece, can make the keeping of piston post fixed, avoid taking place the mistake to bump the phenomenon to when driving the screw rod and driving the second limiting plate reverse messenger connecting spring extension, can make first limiting plate drive the spacer pin shrink into the inside of storage frame, can make the piston post reset.

Drawings

FIG. 1 is a schematic perspective view of an osteotome according to the present utility model;

FIG. 2 is a perspective view of the piston rod and the fixed frame of FIG. 1;

FIG. 3 is a schematic perspective cross-sectional view of the bone grafting device body and fixation frame of FIG. 1;

fig. 4 is a schematic perspective cross-sectional view of the structure of the fixing frame and the receiving frame in fig. 1.

In the figure: 1. a bone grafting device body; 2. a fixing plate; 3. a piston column; 4. pushing the piston; 5. pressing the plate; 6. a fixed frame; 7. a storage frame; 8. a first limiting plate; 9. a limiting pin; 10. a clamping block; 11. a first slider; 12. a connecting spring; 13. a second limiting plate; 14. a second slider; 15. driving the screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, an osteotome, including osteotome main part 1, osteotome main part 1 is in the contrast file, injection subassembly and throw material subassembly and constitute, because it is abundant to disclose in the contrast file, be whole mark in this text, the top surface fixation of osteotome main part 1 is connected with fixed plate 2, and the inside of fixed plate 2 inserts and is equipped with piston post 3, the bottom fixedly connected with of piston post 3 promotes piston 4, the top fixedly connected with of piston post 3 presses down board 5, the top surface fixedly connected with fixed frame 6 of fixed plate 2, and the outside fixedly connected with of fixed frame 6 accomodates frame 7, accomodate the inner wall of frame 7 and contradict and have first limiting plate 8, and the side fixedly connected with spacer 9 of first limiting plate 8, the surface size of first limiting plate 8 and the inner wall size looks adaptation of accomodating frame 7, can play the effect of spacer 9.

Further, referring to fig. 3 and 4, it can be known that the surface of the piston column 3 is provided with a strip-shaped groove adapted to the stop pin 9, and multiple groups of stop blocks 10 are equidistantly arranged on the inner wall of the strip-shaped groove, an inclined plane is arranged on the top surface of the stop pin 9, and the stop pin 9 can be conveniently moved in the strip-shaped groove through the strip-shaped groove formed on the surface of the piston column 3, and the injection quantity of the piston column 3 can be conveniently controlled in an auxiliary manner through the multiple groups of stop blocks 10.

Further, referring to fig. 3 and 4, it can be known that a round hole adapted to the piston column 3 is formed in the top surface of the fixed frame 6, two groups of first sliding blocks 11 are symmetrically arranged on the inner wall of the round hole, sliding grooves adapted to the first sliding blocks 11 are formed in two sides of the piston column 3, the piston column 3 can conveniently move in the round hole through the round hole formed in the top surface of the fixed frame 6, and the first sliding blocks 11 slide in the sliding grooves, so that the function of guiding the piston column 3 can be achieved.

Further, referring to fig. 3 and 4, it can be known that one side of the first limiting plate 8 away from the limiting pin 9 is welded with one end of the connecting spring 12, and the other end of the connecting spring 12 is welded with the side face of the second limiting plate 13, so that the first limiting plate 8 drives the limiting pin 9 to be kept inserted between the plurality of sets of clamping blocks 10 through the connecting spring 12.

Further, referring to fig. 3 and 4, it can be known that the driving screw 15 is inserted in the outer surface of the storage frame 7 through threads, and one end of the driving screw 15 inserted in the storage frame 7 is installed in the second limiting plate 13 through a bearing, and the driving screw 15 moves in the storage frame 7 to conveniently push the second limiting plate 13.

Further, referring to fig. 3 and 4, it can be known that the first limiting plate 8 is set to be a cuboid, the second limiting plate 13 is set to be a cuboid, the surface size of the first limiting plate 8 is the same as the surface size of the second limiting plate 13, and the function of installing the connecting spring 12 conveniently can be achieved through the surface size adaptation of the first limiting plate 8 and the second limiting plate 13.

Further, referring to fig. 3 and fig. 4, it can be known that the two sides of the second limiting plate 13 are fixedly connected with the second sliding blocks 14, the inner wall of the storage frame 7 is provided with a sliding groove adapted to the second sliding blocks 14, and the storage frame 7 can be conveniently moved in the sliding groove through the movement of the second limiting plate 13, so as to play a role in limiting the second limiting plate 13.

Working principle: when the bone grafting device is used, when the bone grafting device body 1 is used, according to the attached drawings 1, 2, 3 and 4, the driving screw 15 is rotated to conveniently drive the screw 15 to drive the second limiting plate 13 to move in the storage frame 7, at the moment, the connecting spring 12 pulls the first limiting plate 8 and the limiting pin 9 to shrink into the storage frame 7, so that the pressing plate 5 can be pulled, the piston column 3 drives the pushing piston 4 to move in the bone grafting device body 1, liquid can be sucked into the bone grafting device body 1, after the bone grafting device body is completely sucked, the driving screw 15 is rotated, the second limiting plate 13 can conveniently reset the first limiting plate 8 and the limiting pin 9 through the connecting spring 12, at the moment, the limiting pin 9 can be inserted between the plurality of sets of clamping blocks 10, the pressing plate 5 is pressed, the limiting pin 9 can be reciprocated to stretch and retract through the connecting spring 12 when the piston column 3 drives the plurality of sets of clamping blocks 10 to extrude with the limiting pin 9, the injection quantity can be controlled in an auxiliary way, and after the piston column 3 is completely injected, the second limiting plate 13 can be pushed by the rotating the driving screw 15 to drive the second limiting plate 13 to be in a state, at the moment, and the limiting pin 9 can be compressed between the first limiting plate 8 and the limiting plate is arranged at the positions by the limiting plate 8;

the above is the whole working principle of the utility model.

In the utility model, the installation mode, the connection mode or the setting mode of all the components are common mechanical modes, and the specific structure, the model and the coefficient index of all the components are self-contained technologies, so long as the beneficial effects can be achieved, the implementation can be carried out, and redundant description is omitted.

The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.

In the present utility model, unless otherwise indicated, the terms "about" and "front and back," inner and outer, and vertical levels, "etc., used herein are merely intended to refer to the orientation of the term in conventional use, or are colloquially known to those skilled in the art, and should not be construed as limiting the term, while the terms" first, "second," and "third," etc., do not denote a particular number or order, but are merely intended to be used in distinguishing between the terms, and 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 also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims (7)

1. The utility model provides an bone grafting device, includes bone grafting device main part (1), its characterized in that, the top fixed surface of bone grafting device main part (1) is connected with fixed plate (2), and the inside of fixed plate (2) is inserted and is equipped with piston post (3), the bottom fixedly connected with of piston post (3) promotes piston (4), the top fixedly connected with of piston post (3) presses board (5), the top fixed surface of fixed plate (2) is connected with fixed frame (6), and the outside fixedly connected with of fixed frame (6) accomodates frame (7), the inner wall of accomodating frame (7) is contradicted and is had first limiting plate (8), and the side fixedly connected with spacer pin (9) of first limiting plate (8).

2. The bone grafting device according to claim 1, characterized in that the surface of the piston column (3) is provided with a strip-shaped groove matched with the limiting pin (9), the inner wall of the strip-shaped groove is provided with a plurality of groups of clamping blocks (10) at equal intervals, and the top end surface of the limiting pin (9) is provided with an inclined plane.

3. The bone grafting device according to claim 1, characterized in that a round hole matched with the piston column (3) is formed in the top surface of the fixing frame (6), two groups of first sliding blocks (11) are symmetrically arranged on the inner wall of the round hole, and sliding grooves matched with the first sliding blocks (11) are formed in two sides of the piston column (3).

4. The bone planter according to claim 1, characterized in that one side of the first limiting plate (8) away from the limiting pin (9) is welded with one end of the connecting spring (12), and the other end of the connecting spring (12) is welded with the side of the second limiting plate (13).

5. The bone grafting device according to claim 1, characterized in that the driving screw (15) is inserted into the outer surface of the accommodating frame (7) in a threaded manner, and one end of the driving screw (15) inserted into the accommodating frame (7) is installed in the second limiting plate (13) through a bearing.

6. The bone planter according to claim 5, wherein the first limiting plate (8) is provided as a cuboid, the second limiting plate (13) is provided as a cuboid, and the surface size of the first limiting plate (8) is the same as the surface size of the second limiting plate (13).

7. The bone grafting device according to claim 6, wherein the two sides of the second limiting plate (13) are fixedly connected with a second sliding block (14), and a sliding groove matched with the second sliding block (14) is formed in the inner wall of the accommodating frame (7).

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