CN216854815U

CN216854815U - Portable nail holding forceps

Info

Publication number: CN216854815U
Application number: CN202120419018.0U
Authority: CN
Inventors: 岳术俊; 史春生; 王昆博; 郝孟娟; 解凤宝; 史春宝
Original assignee: Beijing Chunlizhengda Medical Instruments Co Ltd
Current assignee: Beijing Chunlizhengda Medical Instruments Co Ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2022-07-01
Anticipated expiration: 2031-02-25

Abstract

The utility model relates to a portable nail pincers of holding relates to medical instrument's field, including two mutual articulated supporting rods, two supporting rods form the handle in articulated shaft one side, form the clamping part in the articulated shaft opposite side, still including setting up the elastic component between two supporting rods, the elastic component is located the supporting rod forms the one end of handle. This application has the loaded down with trivial details nature that reduces to use to hold the nail to inlay, improves the effect of operation efficiency.

Description

Portable nail holding forceps

Technical Field

The application relates to the field of medical equipment, in particular to portable nail holding forceps.

Background

The nail holding forceps are surgical instruments used for assisting in holding titanium nails and facilitating surgical implantation. It is used in conjunction with universal spanner for the total hip replacement of hip joint.

The current used nail holding insert mainly comprises two clamping rods hinged with each other, wherein a handle is formed at one end of the nail holding insert, a clamping part is formed at the other end of the nail holding insert, and when the operation is performed through the nail holding insert, the titanium nail is clamped firmly through the clamping part and the force applying handle is often needed. And for the convenience of doctor's operation holds the nail and inlays and carry out the centre gripping to the titanium nail, there is the gag lever post at the equal rigid coupling in one side of every gag lever post towards another gag lever post, the gag lever post rigid coupling is in the one end that forms the handle, two gag lever posts dislocation laminating each other, and there is the fixture block that the cross-section is right angled triangle at the equal rigid coupling in one side of every gag lever post towards another gag lever post, the mutual block of fixture block on two gag lever posts, thereby fix the position of two gag lever posts, make the centre gripping that the clamping part can be firm grasp the titanium nail.

In view of the above-mentioned related technologies, the inventor believes that when the above-mentioned nail holding and embedding is used, when the engagement between the two limit rods needs to be released when the clamping blocks are engaged with each other, the two blocks need to be separated by applying force in the direction perpendicular to the two limit rods while the two points are pressed inward, which is very troublesome and laborious to operate and has low operation efficiency.

SUMMERY OF THE UTILITY MODEL

In order to reduce the use and hold the loaded down with trivial details nature that the nail inlayed, improve operation efficiency, this application provides a portable nail pincers of holding.

The application provides a portable nail pincers that hold adopts following technical scheme:

the utility model provides a portable nail pincers of holding, includes two articulated cramping bars each other, and two cramping bars form the handle in articulated shaft one side, form the clamping part in the articulated shaft opposite side, still include the elastic component that sets up between two cramping bars, the elastic component is located the one end that the handle was formed to the cramping bar.

Through adopting above-mentioned technical scheme, under the normality, can stimulate two supporting rods and be close to relatively under the elastic component effect to drive clamping part and carry out the centre gripping to the titanium nail, and the centre gripping very firm. When needing to operate and holding the nail and inlay and loosen the centre gripping to the titanium nail, the handle is directly held to the hand, operates two supporting rod back of the body motion, just can stimulate the elastic component and relieve the centre gripping to the titanium nail, and it is very convenient to operate, greatly reduced use hold the loaded down with trivial details nature that the nail inlayed, improved operation efficiency greatly.

Optionally, the elastic member is a spring, and two ends of the spring are respectively and fixedly connected to the two clamping rods.

Through adopting above-mentioned technical scheme, when two supporting rod back of the body motions of handheld handle operation, will stimulate the spring extension, when grasping the titanium nail through the clamping part, under spring force effect, the clamping part is more firm with the centre gripping, and it is very convenient to operate.

Optionally, one end of the clamping portion, which is far away from the handle, is bent, and two ends of the clamping portion form an obtuse included angle.

Through adopting above-mentioned technical scheme for the one end and the acetabular cup that the handle was kept away from to the clamping part match more, and the operation process is more smooth and easy.

Optionally, the bending part of the clamping part is arranged in a circular arc manner.

Through adopting above-mentioned technical scheme for clamping part bending part is the circular arc contact with the acetabular cup, and the contact is more smooth and easy. And the arc setting of clamping part bending part also can reduce the stress of applying on holding the nail and inlaying for it is more even to hold nail and inlay the atress.

Optionally, a containing groove for containing the titanium nail is formed in one side, opposite to the two clamping rods, of the clamping portion, and the containing groove is located at one end, far away from the handle, of the clamping portion.

Through adopting above-mentioned technical scheme, when carrying out the centre gripping to the titanium nail through the centre gripping pole, the titanium nail will be arranged in the storage tank, and the centre gripping is more firm, avoids at the in-process of centre gripping titanium nail, and the titanium nail is followed the clamping part landing.

Optionally, the accommodating grooves are semicircular, and two accommodating grooves form a circular accommodating space for the titanium nail to be embedded into.

Through adopting above-mentioned technical scheme, when the titanium nail by the supporting rod centre gripping in the storage tank, the titanium nail outer wall is inseparabler with the contact of storage tank inner wall, avoids the titanium nail to slide in the storage tank.

Optionally, the handle is far away from one end rigid coupling of clamping part has the bracelet.

Through adopting above-mentioned technical scheme, the direct handheld bracelet of doctor just can operate and hold the nail and inlay, and it is more convenient to operate.

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

1. the elastic piece is arranged to enable the end parts of the two clamping rods to be pulled to be close to each other under the elastic action of the elastic piece, so that the titanium nail is firmly clamped, when the nail holding embedding needs to be operated, the handle is directly held to operate the end parts of the two clamping rods to move back to back, the elastic piece can be stretched, the titanium nail can be loosened, the operation is very convenient, the complexity of using the nail holding embedding is greatly reduced, and the operation efficiency is greatly improved;

2. one end of the clamping part, which is far away from the handle, is bent, so that the clamping part is more matched with the interior of the acetabular cup, and the operation is more convenient;

3. the titanium nail can be firmly clamped in the accommodating groove by the accommodating groove, and the titanium nail is prevented from sliding in the process of clamping the titanium nail through the clamping part.

Drawings

Fig. 1 is a schematic view of the overall structure of the present application.

Fig. 2 is a schematic structural view for showing the use state of the nail holding and embedding.

Description of reference numerals: 1. a clamping rod; 11. a clamping portion; 111. a containing groove; 12. a handle; 13. a bracelet; 2. an elastic member; 21. a spring; 3. titanium nails; 4. an acetabular cup.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses portable nail-holding forceps. Referring to fig. 1 and 2, the nail holding forceps comprise two clamping rods 1, the middle parts of the two clamping rods 1 are hinged, one side, located on the hinged shaft, of the two clamping rods 1 is called a clamping part 11 and used for clamping a titanium nail 3, and the other side, located on the hinged shaft, of the two clamping rods 1 is called a handle 12, so that people can conveniently operate the handle 12 to clamp the titanium nail 3. An elastic part 2 is fixedly connected between the two clamping rods 1, and the elastic part 2 is positioned in the direction of the handle 12. Can drive 1 tip of two supporting rods relatively near under the effect of elastic component 2 elasticity to with 3 centre grippings of titanium nail more firm, hold the nail when needs operate and inlay and loosen titanium nail 3, directly handheld handle 12 operate two supporting rods 1 tip back of the body move can, two supporting rods 1 will stretch elastic component 2, it is more convenient to operate.

Referring to fig. 1 and 2, the elastic member 2 can select the spring 21, two ends of the spring 21 are respectively fixedly connected with one side of the two clamping rods 1, and the two clamping rods 1 can be pulled to be relatively close to each other through the spring 21, so that the clamping part 11 firmly clamps the titanium nail 3, when the titanium nail 3 needs to be loosened, the spring 21 can be stretched by directly holding the handle 12 to operate the end parts of the two clamping rods 1 to be relatively far away, and the operation is very convenient. Of course, it should be understood that the elastic member 2 may also be a rubber band or other elastic object, as long as it can firmly clamp the titanium nail 3 by the clamping portion 11 under its own elasticity.

Wherein, for the convenience of doctor operating handle 12 extension spring 21, the one end rigid coupling of keeping away from clamping part 11 at handle 12 has bracelet 13, and during the use, the doctor directly just can drive the motion of supporting rod 1 in imbedding bracelet 13 with the finger, and the operation is convenient nimble more.

Referring to fig. 2, one end of the clamping rod 1, which is far away from the handle 12, is bent, so that two ends of the clamping portion 11 form an obtuse included angle, the included angle can be determined according to the angle of the opening of the acetabular cup 4, and the nail holding embedding of different included angles can be selected according to the acetabular cups 4 of different sizes. When holding behind the centre gripping titanium nail 3 through holding the nail and inlaying, hold the nail and inlay and laminate more with 4 inner walls of acetabular cup for the angle that 3 titanium nails were beaten into is more accurate, reduces because of 3 angles of titanium nail implant inaccurate and cause titanium nail 3 can not fix completely, produces the risk of interfering with 4 inside linings of acetabular cup, greatly increased the security and the operation quality of operation.

Wherein, the 11 kinks of clamping part are the circular arc transition for holding the nail to inlay and laminating more with 4 inner walls of acetabular cup, and also can reduce and hold the nail and inlay holistic stress concentration problem, prolonged the life who holds the nail and inlay greatly.

Referring to fig. 1 and 2, a containing groove 111 for containing the titanium nail 3 is provided on one side of each of the two clamping rods 1, the containing groove 111 is located at one end of the clamping portion 11 away from the handle 12, and the containing groove 111 provided on each of the two clamping rods 1 is semicircular, so that when the two clamping rods 1 are attached to each other, the containing grooves 111 on the two clamping rods 1 jointly form a circular containing space for the titanium nail 3 to be embedded into. When carrying out the centre gripping to titanium nail 3 through clamping part 11, titanium nail 3 will be by the centre gripping in storage tank 111 to restrict the relative position of titanium nail 3 and supporting rod 1, avoid through 11 behind the clamping part centre gripping titanium nail 3, under the exogenic action, titanium nail 3 takes place relative movement for supporting rod 1.

The implementation principle of the portable nail holding forceps in the embodiment of the application is as follows: during the use, the doctor directly holds handle 12 and inserts bracelet 13 with the finger in, just can drive clamping part 11 through handle 12 and rotate around the articulated shaft of two supporting rods 1 to with the 3 centre grippings of titanium nail in storage tank 111, the in-process of centre gripping, spring 21 can drive the tip of two supporting rods 1 and be close to relatively, thereby more firm with the 3 centre grippings of titanium nail, make the doctor more laborsaving at the in-process of performing the operation. And one end of the clamping part 11 for clamping the titanium nail 3 can be attached to the inner wall of the acetabular cup 4 in the operation process, so that the operation is smoother. After the titanium nail 3 is driven into and finishes, when needing to inlay the centre gripping and take off, directly handheld handle 12 operates two 1 tip of supporting rod and keeps away from relatively, and two supporting rod 1 will stimulate spring 21 to open clamping part 11, remove and hold the cooperation relation that the nail inlayed and titanium nail 3 between, the operation is very convenient nimble, greatly reduced use hold the loaded down with trivial details nature when inlaying of nail, improved operation efficiency greatly.

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 portable nail pincers of holding, includes two mutual articulated supporting rods (1), and two supporting rods (1) form handle (12) in articulated shaft one side, form clamping part (11), its characterized in that in the articulated shaft opposite side: the clamping device is characterized by further comprising an elastic piece (2) arranged between the two clamping rods (1), wherein the elastic piece (2) is located at one end, forming a handle (12), of each clamping rod (1).

2. A portable nail-holding forceps according to claim 1, characterized in that: the elastic piece (2) is a spring (21), and two ends of the spring (21) are fixedly connected to the two clamping rods (1) respectively.

3. A portable nail-holding forceps according to claim 1, characterized in that: the clamping part (11) is far away from one end of the handle (12) and is bent, and two ends of the clamping part (11) form an obtuse included angle.

4. A portable nail-holding forceps according to claim 3, characterized in that: the bending part of the clamping part (11) is arranged in a circular arc shape.

5. A portable nail-holding forceps according to claim 1, characterized in that: two holding rod (1) relative one side all offers containing groove (111) that is used for holding titanium nail (3), containing groove (111) are located clamping part (11) is kept away from the one end of handle (12).

6. A portable nail-holding forceps according to claim 5, characterized in that: the accommodating grooves (111) are semicircular, and a circular accommodating space for the titanium nails (3) to be embedded into is formed by the two accommodating grooves (111).

7. A portable nail-holding forceps according to any one of claims 1-6, characterized in that: the handle (12) is far away from one end of the clamping part (11) is fixedly connected with a bracelet (13).