CN213047248U

CN213047248U - Clamp type nail feeding device capable of reliably clamping and pressurizing U-shaped nails

Info

Publication number: CN213047248U
Application number: CN202021368996.9U
Authority: CN
Inventors: 黄磊; 潘康; 滕亦忠
Original assignee: Health Joy Medical Devices Co ltd
Current assignee: Health Joy Medical Devices Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-04-27
Anticipated expiration: 2030-07-13

Abstract

The utility model relates to a reliable nail ware on clamp formula of centre gripping pressurization staple belongs to medical instrument technical field, its including the installation piece with be the fork articulate in two handles on the installation piece, the handle includes clamping part and drive division, the clamping part is located one side of installation piece, the drive division is located one side that the clamping part was kept away from to the installation piece, the tip that the handle is located the clamping part is provided with the fixed block, two the cover is equipped with pressurization staple on the fixed block. The pressurizing U-shaped nail is sleeved on the two fixing blocks, then a user controls the driving part of the handle, the two handles move towards the back direction, so that the clamping parts of the handles can be separated, opposite thrust is applied to the pressurizing U-shaped nail through the clamping parts of the handles, the clamping parts of the handles are attached to the inner wall surface of the vertex angle of the pressurizing U-shaped nail, the pressurizing U-shaped nail is stressed and overturned, and the pressurizing U-shaped nail can be reliably installed on the clamping parts of the handles.

Description

Clamp type nail feeding device capable of reliably clamping and pressurizing U-shaped nails

Technical Field

The application relates to the technical field of medical instruments, in particular to a jaw type nail feeding device capable of reliably clamping and pressurizing U-shaped nails.

Background

Currently, surgical compression staples are used for the treatment of angular deformations that may occur in relation to the bones of the human body, fractures, subluxations, dislocations, arthritis, in particular with respect to the limbs. Whereby the compression staple is bonded to the respective bone or bone fragments to fuse these together while applying pressure to these parts.

In order to solve the above-mentioned related technologies, when the compression U-shaped nail is implanted into a bone, a medical forceps is generally used, and when the compression U-shaped nail is clamped by the medical forceps, the direction of the jaw of the medical forceps and the direction of the compression U-shaped nail implanted into the bone need to be consistent, and if a deflection phenomenon occurs between the jaw of the medical forceps and the compression U-shaped nail, the compression U-shaped nail is easily forced to turn over during the process of clamping the compression U-shaped nail, so that the clamping of the compression U-shaped nail fails.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the pressurized U-shaped nail is easy to clamp and fail, the application provides a jaw type nail feeding device capable of reliably clamping the pressurized U-shaped nail.

The application provides a pair of claw type of reliable centre gripping pressurization staple ware of going up adopts following technical scheme:

the utility model provides a reliable nail ware on clamp formula of centre gripping pressurization staple, including the installation piece with be the fork hinge in two handles on the installation piece, the handle includes clamping part and drive division, the clamping part is located one side of installation piece, the drive division is located one side that the clamping part was kept away from to the installation piece, the tip that the handle is located the clamping part is provided with the fixed block, two the cover is equipped with pressurization staple on the fixed block.

Through adopting above-mentioned technical scheme, establish pressurization U type nail cover on two fixed blocks, then user control handle's drive division, with two handle orientation back of the body direction motion to can part the clamping part of handle, exert opposite thrust to pressurization U type nail through the clamping part of handle, the internal face laminating of the clamping part of handle and pressurization U type nail apex angle makes pressurization U type nail atress upset, can be with the reliable clamping part of installing at the handle of pressurization U type nail. After the pressing staple is fixed to the holding portion, the pressing staple is implanted into the inside of the bone hole, thereby enabling the pressing staple to be installed in the bone hole.

When the pressing U-shaped nail and the clamping part need to be disconnected, a user moves the driving part of the handle towards the opposite direction, and the clamping part of the handle also moves towards the opposite direction, so that the clamping part and the pressing U-shaped nail can be disconnected.

Preferably, two the one side of fixed block to the back all sets up to the inclined plane, form the draw-in groove between inclined plane and the clamping part, the pressurization U type nail card is located in two draw-in grooves.

Through adopting above-mentioned technical scheme, can make the pressurization staple be difficult to break away from with the fixed block and be connected with the reliable joint of pressurization staple between two fixed blocks.

Preferably, the position that the handle is located the clamping part is provided with the stopper, the stopper is located the position of fixed block towards the drive division, and is same on the handle the stopper with be formed with the installation clearance between the fixed block, the pressurization staple card is located in two installation clearances.

Through adopting above-mentioned technical scheme, when will pressurize the U type nail and implant inside the bone hole, because the effect of friction force between pressurization U type nail and the bone hole produces the displacement easily between pressurization U type nail and the fixed block, the pressurization U type nail moves towards the direction of drive division easily, and the setting of stopper can carry on spacingly to the pressurization U type nail, makes to be difficult to produce relative displacement between pressurization U type nail and the fixed block to be convenient for pressurization U type nail implants inside the bone hole.

Preferably, the handle is located the clamping part and has seted up the spacing groove towards the one side of stopper, the length direction of handle is seted up along the spacing groove, the stopper is provided with the connecting block towards the one side of spacing groove, the connecting block stretches into the spacing inslot, and with spacing groove sliding connection, the connecting block is provided with first spring towards the one side of drive division and spacing groove between the inner wall of fixed block.

Through adopting above-mentioned technical scheme, pressurization U type nail is installed inside the back in installation clearance, and a thrust can be applyed to the stopper through the resilience force of self to first spring to can be through the stopper with the reliable installation of pressurization U type nail inside the installation clearance.

Preferably, every the spread groove has all been seted up on the stopper, two the central line collineation setting of spread groove, two sliding connection has the connecting rod in the spread groove, the intermediate position of connecting rod is provided with the telescopic link perpendicularly, the one end that the connecting rod was kept away from to the telescopic link is fixed in on the installation piece.

Through adopting above-mentioned technical scheme, when needing to break away from pressurization staple from the installation clearance, with the direction motion of gag lever post towards drive division, the stopper will move along the length direction of stopper, and the width in installation clearance will increase, can take out pressurization staple.

Preferably, the telescopic link includes first pole and wears to locate second pole on the first pole, the tip and the connecting rod fixed connection of first pole, the tip and the installation piece fixed connection of second pole, the tip of second pole orientation first pole is provided with and bumps the pearl, set up on the first pole with bump the locating hole that the pearl cooperation is connected.

Through adopting above-mentioned technical scheme, when fixing pressurization U type nail through the stopper, bump the pearl and wear to establish in the locating hole, make the stopper be difficult to and produce relative displacement between the spacing groove.

Preferably, the end part of the first rod facing the second rod is provided with a limit hole matched and connected with the collision bead.

Through adopting above-mentioned technical scheme, the setting in spacing hole can carry on spacingly to the position between first pole and the second pole, makes to be difficult to between first pole and the second pole the disconnection.

Preferably, the limit block is provided with the arc chimb towards the one side extension of keeping away from first pole of the one side of fixed block, the arc chimb is laminated with the apex angle department of pressurization staple.

Through adopting above-mentioned technical scheme, the area of contact between stopper and the pressurization staple can be increased in the setting of arc chimb to carry on spacingly to the pressurization staple.

Preferably, a second spring is arranged between the two handles, and the second spring is positioned at the driving part.

Through adopting above-mentioned technical scheme, the setting of second spring can make the drive division of handle be in open state, can make the clamping part of handle be in open state to reliable the fixing between pressurization staple and the clamping part.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the arrangement of the handles and the fixing blocks which are arranged in a mutually crossed manner can achieve the effect of conveniently and reliably clamping the pressurizing U-shaped nail;

2. through the arrangement of the limiting block and the mounting gap, the pressurizing U-shaped nail and the fixing block are not easy to generate relative displacement, and the effect of conveniently implanting the pressurizing U-shaped nail into the bone hole is achieved;

3. through the setting of telescopic link, can play the effect of being convenient for break away from the pressurization staple from the installation clearance.

Drawings

FIG. 1 is a schematic view of the installation configuration of a jaw tacker and compression staple of the present application;

FIG. 2 is a schematic structural view of the jaw tacker of the present application;

fig. 3 is a view from direction a in fig. 2.

In the figure, 1, a mounting block; 2. a handle; 21. a clamping portion; 22. a drive section; 3. a fixed block; 31. a bevel; 32. a card slot; 4. pressing the U-shaped nail; 5. a limiting block; 51. a limiting groove; 52. connecting blocks; 53. a first spring; 54. connecting grooves; 55. a connecting rod; 56. a telescopic rod; 561. a first lever; 562. a second lever; 563. bumping beads; 564. positioning holes; 565. a limiting hole; 57. an arc-shaped convex edge; 58. a second spring; 6. and (5) installing a gap.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The application discloses a reliable centre gripping pressurization staple's jaw type ware of going up to bind, refer to fig. 1, including installation piece 1 and two handles 2 that hinge joint on installation piece 1 as the fork, the handle 2 is located the part of installation piece 1 both sides, divide into clamping part 21 and drive division 22, be in the relation of linkage between the clamping part 21 of handle 2 and the handle 2 drive division 22, when the drive division 22 of two handles 2 moves towards opposite direction, the clamping part 21 of two handles 2 will also move towards opposite direction, when the drive division 22 of handle 2 moves towards opposite direction, the clamping part 21 of two handles 2 will also move towards opposite direction. A second spring 58 is provided between the two handles 2, and the second spring 58 is located at the position of the driving portion 22, so that the driving portion 22 of the handle 2 is in an open state, that is, the holding portion 21 of the handle 2 is in an open state.

Referring to fig. 2 and 3, the end of the handle 2 located at the clamping portion 21 is provided with the fixing blocks 3, the back surfaces of the two fixing blocks 3 are both provided with inclined surfaces 31, a clamping groove 32 is formed between the inclined surfaces 31 and the surface of the clamping portion 21 facing the fixing blocks 3, the two fixing blocks 3 are sleeved with the pressing U-shaped nails 4 (shown in fig. 1), and the pressing U-shaped nails 4 are clamped in the two clamping grooves 32. The handle 2 is provided with a limiting block 5 at the position of the clamping portion 21 in a sliding manner, the limiting block 5 is located on one side of the fixing block 3 facing the driving portion 22, the two limiting blocks 5 extend towards one side of the fixing block 3 and located on one side where the two limiting blocks 5 deviate from each other to form an arc-shaped convex edge 57, and the arc-shaped convex edge 57 is attached to the vertex angle of the pressurizing U-shaped nail 4. So as to increase the contact area between the stopper 5 and the pressing staple 4, thereby facilitating the stopper of the pressing staple 4.

Referring to fig. 3, a limiting groove 51 is formed in the length direction of the handle 2, a connecting block 52 is arranged on one surface of the limiting block 5 facing the limiting groove 51, and the connecting block 52 extends into the limiting groove 51 and is slidably connected with the limiting groove 51. A first spring 53 is arranged between the connecting block 52 and the inner wall of the limiting groove 51, one end of the first spring 53 is fixedly connected with one surface of the connecting block 52 facing the driving part 22, and the other end of the second spring 58 is fixedly connected with the inner wall of one surface of the limiting groove 51 facing the fixed block 3. A mounting gap 6 is formed between the limiting block 5 and the fixing block 3 on the same handle 2, and the pressurizing U-shaped nail 4 is clamped in the two mounting gaps 6. After the pressurization staple 4 is installed inside the installation gap 6, the first spring 53 can apply a thrust to the limiting block 5 through the resilience force of the first spring, so that the pressurization staple 4 can be reliably installed inside the installation gap 6 through the limiting block 5. When the pressing staple 4 needs to be taken out of the mounting gap 6, the driving parts 22 of the two handles 2 are moved towards opposite directions, so that the clamping parts 21 of the two handles 2 are also moved towards opposite directions, and then the limiting block 5 is moved towards the driving part 22 along the length direction of the limiting groove 51, so that the width of the mounting gap 6 can be increased, and the pressing staple 4 can be taken out of the mounting gap 6.

Referring to fig. 3, a connecting rod 55 is arranged between the two limit blocks 5, an expansion rod 56 is vertically arranged in the middle of the connecting rod 55, the expansion rod 56 includes a first rod 561 and a second rod 562 penetrating the first rod 561, the end of the first rod 561, which is far away from the second rod 562, is fixedly connected with the connecting rod 55, and the end of the second rod 562, which is far away from the first rod 561, is fixedly connected with the mounting block 1. Each limiting block 5 is provided with a connecting groove 54, the center lines of the two connecting grooves 54 are arranged in a collinear manner, two ends of a connecting rod 55 are placed in the connecting grooves 54, and the connecting rod 55 can slide along the length direction of the connecting grooves 54. The end of the second rod 562 facing the first rod 561 is provided with a collision bead 563, and the first rod 561 is provided with a positioning hole 564 and a limiting hole 565 which are connected with the collision bead 563 in a matching manner. When the first rod 561 and the second rod 562 are relatively moved, the first rod 561 pulls the stopper 5 to move toward the driving part 22 along the longitudinal direction of the stopper groove 51, the collision bead 563 is connected to the stopper hole 565, and the width of the installation gap 6 is increased, so that the pressing staple 4 can be removed from the installation gap 6. When the first rod 561 and the second rod 562 move oppositely, the first rod 561 pushes the stopper 5 to move along the length direction of the stopper groove 51 toward the direction of the clamping portion 21, the collision ball 563 is connected to the positioning hole 564, and at this time, the pressing staple 4 is clamped and limited by the stopper 5.

The implementation principle of the jaw type nailing device for reliably clamping and pressurizing U-shaped nails in the embodiment of the application is as follows: when the pressing staple 4 is mounted on the grip portion 21, first, when the driving portions 22 of the handles 2 are moved in opposite directions, the grip portions 21 of the two handles 2 are also moved in opposite directions. And the first rod 561 and the second rod 562 are relatively moved, the first rod 561 pulls the stopper 5 to move toward the driving part 22 along the length direction of the stopper groove 51, the collision bead 563 is connected to the stopper hole 565, the width of the installation gap 6 is increased, and the pressing staple 4 is placed in the installation gap 6. Next, the first rod 561 and the second rod 562 are moved oppositely, the first rod 561 pushes the stopper 5 to move along the length direction of the stopper groove 51 toward the direction of the clamping portion 21, the collision ball 563 is connected to the positioning hole 564, and at this time, the pressing staple 4 is clamped and limited by the stopper 5. Again, a compression staple 4 is implanted inside the bone hole. Finally, the pressing staple 4 and the clamping part 21 are disconnected, namely, the driving parts 22 of the two handles 2 are moved towards the opposite direction, the clamping parts 21 of the two handles 2 are also moved towards the opposite direction, then the first rod 561 and the second rod 562 are driven to move relatively, the first rod 561 pulls the limiting block 5 to move towards the driving part 22 along the length direction of the limiting groove 51, the collision ball 563 is connected with the limiting hole 565, and the width of the installation gap 6 is increased at the moment, so that the pressing staple 4 can be taken out of the installation gap 6.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a reliable centre gripping pressurization staple's jaw type goes up nail ware which characterized in that: including installation piece (1) with be crisscross articulated in two handle (2) on installation piece (1), handle (2) include clamping part (21) and drive division (22), clamping part (21) are located one side of installation piece (1), one side of clamping part (21) is kept away from in drive division (22) being located installation piece (1), the tip that handle (2) are located clamping part (21) is provided with fixed block (3), two the cover is equipped with pressurization U type nail (4) on fixed block (3).

2. The clincher of claim 1, wherein: two the one side of fixed block (3) to the back all sets up to inclined plane (31), form draw-in groove (32) between inclined plane (31) and clamping part (21), pressurization U type nail (4) card is located in two draw-in grooves (32).

3. The clincher of claim 2, wherein: the position that handle (2) are located clamping part (21) is provided with stopper (5), stopper (5) are located fixed block (3) towards the position of drive division (22), and is same on handle (2) stopper (5) with be formed with installation clearance (6) between fixed block (3), pressurization U type nail (4) card is located in two installation clearance (6).

4. A clincher for positively retaining a compressed staple as claimed in claim 3, wherein: handle (2) are located clamping part (21) and have seted up spacing groove (51) towards the one side of stopper (5), the length direction of handle (2) is seted up in spacing groove (51), stopper (5) are provided with connecting block (52) towards the one side of spacing groove (51), connecting block (52) stretch into in spacing groove (51), and with spacing groove (51) sliding connection, connecting block (52) are provided with first spring (53) towards between the one side of drive division (22) and the inner wall of spacing groove (51) towards fixed block (3).

5. A clincher for positively retaining a compressed staple as claimed in claim 3, wherein: every connecting groove (54), two have all been seted up on stopper (5) the central line collineation setting of connecting groove (54), two sliding connection has connecting rod (55) in connecting groove (54), the intermediate position of connecting rod (55) is provided with telescopic link (56) perpendicularly, the one end that connecting rod (55) were kept away from in telescopic link (56) is fixed in on installation piece (1).

6. The clincher of claim 5, wherein: the telescopic rod (56) comprises a first rod (561) and a second rod (562) penetrating through the first rod (561), the end portion of the first rod (561) is fixedly connected with the connecting rod (55), the end portion of the second rod (562) is fixedly connected with the mounting block (1), a collision bead (563) is arranged at the end portion, facing the first rod (561), of the second rod (562), and a positioning hole (564) matched and connected with the collision bead (563) is formed in the first rod (561).

7. The clincher of claim 6, wherein: the end part of the first rod (561) facing the second rod (562) is provided with a limiting hole (565) which is matched and connected with the collision bead (563).

8. The clincher of claim 7, wherein: the limiting block (5) is provided with an arc-shaped convex edge (57) in an extending mode towards one side, far away from the first rod (561), of one side of the fixing block (3), and the arc-shaped convex edge (57) is attached to the top angle of the pressurizing U-shaped nail (4).

9. The clincher of claim 1, wherein: a second spring (58) is arranged between the two handles (2), and the second spring (58) is positioned on the driving part (22).