CN219109589U

CN219109589U - Steel needle pliers with stable clamping function

Info

Publication number: CN219109589U
Application number: CN202222900692.8U
Authority: CN
Inventors: 朱国荣; 鞠焕彬
Original assignee: Changzhou Kanggao Medical Equipment Co ltd
Current assignee: Changzhou Kanggao Medical Equipment Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-06-02
Anticipated expiration: 2032-11-01

Abstract

The utility model relates to the technical field of medical instruments and discloses a steel needle forceps with a stable clamping function, which comprises a hinging mechanism, wherein a limiting hole is formed in the bottom of each clamping head, a plug-in groove communicated with the limiting hole is formed in one end of each clamping head, elastic plug-in pieces which are plugged in the plug-in grooves are fixedly arranged at one ends of a first hinging piece and a second hinging piece, and limiting blocks which are clamped with the limiting holes are fixedly arranged on the lower surfaces of the elastic plug-in pieces. According to the needle holder, the first hinging piece and the second hinging piece are rotationally connected with the handheld handle, and one end of the inserting and fixing block is separated from the inside of the inserting and fixing groove formed in the handheld handle by pulling the inserting and fixing block and compressing the reset spring, so that the first hinging piece and the second hinging piece are conveniently folded outside the handheld handle, and the problems that the occupied space is large and the needle holder is unfavorable to store in a surgical instrument box body due to the fact that the length of the first main body of the needle holder and the length of the second main body of the needle holder are fixed are solved.

Description

Steel needle pliers with stable clamping function

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a steel needle forceps with a stable clamping function.

Background

Needle holder is a needle holder, is a surgical instrument in clinical medicine and surgical operation, is also called needle holder, is mainly used for clamping a needle to suture various tissues, is sometimes used for knotting, the middle and rear 1/3 junction of the needle is clamped by the tip of the needle holder, the clamped needle tip is left in most cases, the special condition can be right, the suture is overlapped by 1/3, and the overlapped part of the winding is also placed in the needle mouth so as to be beneficial to operation, if the needle is clamped in the middle of the needle holder, the needle is easy to break, and the method for commonly executing the needle holder comprises the following steps: the mastering method comprises the following steps: the hand is used for grasping or holding the needle forceps, such as a graph forceps ring, to cling to the large thenar muscle, the thumb, the middle finger, the ring finger and the little finger are respectively pressed on the forceps handles, the rear three fingers are gathered up to play a role in fixing, the index finger is pressed at the proximal shaft section at the front part of the needle forceps, the thumb, the large thenar muscle and the metacarpophalangeal joints are utilized for moving and expanding, the tooth buckles on the needle forceps handle ring are opened, the tooth buckles are loosened, the opening size of the needle forceps is controlled to hold the needle, and when the needle forceps are closed, the thumb, the large thenar muscle and the rest metacarpophalangeal parts are locked to the hand, so that the suture is stable, the suture needle direction is easy to change, the suture is smooth, and the operation is convenient.

The Chinese patent net discloses a clinical operation needle holder of department of general surgery, one side of needle holder first main part is provided with needle holder second main part, the one end of needle holder first main part is provided with first grab handle, the one end of needle holder second main part is provided with the second grab handle, the inside of needle holder second main part is provided with the spout, install the third grab handle on the spout, one side of needle holder first main part one end is provided with first stopper, one side of needle holder second main part one end is provided with the second stopper. The third grab handle is added, so that finger comfort of medical staff is improved, the pressing sense of fingers is relieved more effectively, the risk of operation is reduced, and the sliding chute and the bolt mechanism can be utilized to slide up and down, so that the medical staff can be suitable for different crowds, and the problem of using by different staff is further solved. However, the fixed length of the needle holder first body and the needle holder second body results in a large space occupation, which is not conducive to storage in the surgical instrument case. For this purpose, a steel needle forceps with a stable clamping function is proposed.

Disclosure of Invention

The utility model aims to provide a steel needle clamp with a stable clamping function, which aims to solve the problems that in the background technology, the length of a first main body of the needle clamp and the length of a second main body of the needle clamp are fixed, so that the occupied space is large and the needle clamp is not beneficial to being stored in a surgical instrument box body.

In order to solve the technical problems, the utility model provides the following technical scheme: the steel needle forceps with the stable clamping function comprises a hinging mechanism, wherein one end of the hinging mechanism is provided with a handle mechanism, and the other end of the hinging mechanism is provided with a clamping mechanism;

the handle mechanism comprises two handheld handles, and one end of each handheld handle is provided with a fixing slot;

the hinge mechanism comprises a second hinge part, an installation groove is formed in the outer side of the second hinge part, a hinge shaft is rotatably connected to the inner side of the installation groove, a first hinge part is sleeved on the outer side of the hinge shaft, the first hinge part and the second hinge part are rotatably connected with the handheld handle, movable grooves are formed in the opposite sides of the first hinge part and the second hinge part, a reset spring is fixedly arranged in the inner side of the movable grooves, and one end of the reset spring is fixedly connected with a plug-in fixing block which is plugged into the plug-in fixing groove;

preferably, the clamping mechanism comprises two clamping heads, each clamping head is provided with a limiting hole at the bottom, one end of each clamping head is provided with a plugging slot communicated with the limiting hole, one ends of the first hinge piece and the second hinge piece are fixedly provided with elastic plugging pieces plugged with the plugging slots, and the lower surface of each elastic plugging piece is fixedly provided with a limiting block clamped with the limiting hole.

Preferably, the elastic inserting piece is of an L-shaped structure, and is made of elastic steel sheets.

The elastic inserting piece is made of an elastic rigid piece, so that the elastic inserting piece can be guaranteed to have certain elastic deformation capability.

Preferably, one side of the limiting block, which is far away from the elastic inserting piece, is of an arc-shaped structure, and the limiting block and the elastic inserting piece are of an integrated structure.

The limiting block and the elastic plug-in piece are arranged into an integrated structure, so that the limiting block and the elastic plug-in piece are firmly connected.

Preferably, one end of the clamping head, which is far away from the first hinge, is of an arc-shaped structure, and a plurality of anti-skid grooves are formed in opposite faces of the two clamping heads.

The clamping head is provided with an anti-skid groove, so that the firmness of clamping the steel needle can be improved.

Preferably, the handle mechanism comprises a collar, and the collar is fixedly connected with the hand-held handle.

The collar is provided to facilitate the handling of the steel needle forceps by the user.

Preferably, the front surface of the handle at the rear is fixedly provided with a second bulge, the rear surface of the handle at the front is fixedly provided with a first bulge, and two opposite surfaces of the first bulge and the second bulge are fixedly provided with two bulges.

The two hand-held handles can be fixed together by adopting the convex blocks, so that the effect of saving the force for clamping the steel needle is achieved.

Preferably, the insertion block is of an L-shaped structure, and the first hinge piece is hinged with the handheld handle through a rotating shaft.

The first hinge piece is hinged with the handheld handle by a rotating shaft, so that the first hinge piece can rotate.

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

the first hinge piece and the second hinge piece are rotationally connected with the handheld handle, and one end of the insertion block is separated from the inside of the insertion groove formed in the handheld handle by pulling the insertion block and compressing the reset spring, so that the first hinge piece and the second hinge piece are conveniently folded outside the handheld handle, the problems that the length of the first main body of the needle holder and the length of the second main body of the needle holder are fixed, the occupied space is large, and the needle holder is unfavorable for being stored in a surgical instrument box body are solved.

Secondly, according to the utility model, the limiting block is ejected out of the limiting hole and is moved into the inserting groove, so that the elastic inserting piece is elastically bent, the limiting block and the elastic inserting piece are pulled out of the inserting groove, the clamping heads with different shapes are convenient to detach and replace, the operation under different conditions is satisfied, the adaptation capability is improved, and the practicability is enhanced.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is an enlarged view of part A of the present utility model;

fig. 3 is a schematic front view of the first hinge member of the present utility model connected to a handle.

Fig. 4 is a schematic front view of the connection of the clamping head and the first hinge member according to the present utility model.

Wherein: 1. a hinge mechanism; 101. a mounting groove; 102. a first hinge; 103. a second hinge; 104. a hinge shaft; 105. a movable groove; 106. a plug-in fixing block; 107. a return spring; 108. an elastic insertion piece; 109. a limiting block; 2. a handle mechanism; 201. a handle; 202. a collar; 203. a fixing slot; 3. a bump; 4. a first protrusion; 5. a second protrusion; 6. a clamping mechanism; 601. a plug-in groove; 602. a limiting hole; 603. a clamping head; 7. an anti-skid slot.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only one mechanism embodiment of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a steel needle forceps with stable clamping function comprises a hinge mechanism 1, wherein one end of the hinge mechanism 1 is provided with a handle mechanism 2, and the other end of the hinge mechanism 1 is provided with a clamping mechanism 6;

the handle mechanism 2 comprises two handheld handles 201, and one end of each handheld handle 201 is provided with a plugging and fixing groove 203;

the hinge mechanism 1 comprises a second hinge part 103, an installation groove 101 is formed in the outer side of the second hinge part 103, a hinge shaft 104 is rotatably connected to the inner side of the installation groove 101, a first hinge part 102 is sleeved on the outer side of the hinge shaft 104, the first hinge part 102 and the second hinge part 103 are rotatably connected with a handheld handle 201, movable grooves 105 are formed in the opposite surfaces of the first hinge part 102 and the second hinge part 103, a reset spring 107 is fixedly arranged on the inner side of the movable grooves 105, and a plug-in fixing block 106 which is fixedly connected with a plug-in fixing groove 203 is fixedly connected to one end of the reset spring 107;

the clamping mechanism 6 comprises two clamping heads 603, a limiting hole 602 is formed in the bottom of each clamping head 603, a plug groove 601 communicated with the limiting hole 602 is formed in one end of each clamping head 603, elastic plug pieces 108 plug in the plug groove 601 are fixedly arranged at one ends of the first hinge piece 102 and the second hinge piece 103, and limiting blocks 109 clamped with the limiting holes 602 are fixedly arranged on the lower surfaces of the elastic plug pieces 108.

Specifically, the elastic insertion piece 108 has an L-shaped structure, and the elastic insertion piece 108 is made of an elastic steel sheet.

By adopting the technical scheme, the elastic inserting piece 108 is made of the elastic rigid piece, so that certain elastic deformation capability can be ensured.

Specifically, the side of the stopper 109 away from the elastic insertion piece 108 is in an arc structure, and the stopper 109 and the elastic insertion piece 108 are in an integrated structure.

Through the above technical scheme, the limiting block 109 and the elastic inserting piece 108 are arranged into an integrated structure, so that the limiting block 109 and the elastic inserting piece 108 are firmly connected.

Specifically, the end of the clamping head 603 away from the first hinge member 102 is in an arc structure, and the opposite surfaces of the two clamping heads 603 are provided with a plurality of anti-slip grooves 7.

Through above-mentioned technical scheme, set up anti-skidding groove 7 on the gripping head 603, can improve the fastness of clamping the steel needle.

Specifically, the handle mechanism 2 includes a collar 202, and the collar 202 is fixedly connected to the handle 201.

By the above technical solution, the collar 202 is provided so that the user can hold the steel needle forceps for operation.

Specifically, the front surface of the rear hand-held handle 201 is fixedly provided with the second protrusion 5, the rear surface of the front hand-held handle 201 is fixedly provided with the first protrusion 4, and the opposite surfaces of the first protrusion 4 and the second protrusion 5 are fixedly provided with the two protrusions 3.

Through above-mentioned technical scheme, adopt lug 3, can be with holding handle 201 fixed together, play the effect of centre gripping steel needle province.

Specifically, the insertion block 106 has an L-shaped structure, and the first hinge 102 is hinged to the hand-held handle 201 through a rotation shaft.

Through the above technical solution, the first hinge 102 is hinged to the hand-held handle 201 by using a rotating shaft, so that the first hinge 102 can rotate.

In use, a user inserts his fingers and thumb into the interiors of the two collars 202, respectively, and operates the clamping mechanism 6 to cause the two clamping heads 603 to clamp the steel needle for surgical stapling. When the clamping head 603 needs to be disassembled, the limiting block 109 is firstly pushed out of the limiting hole 602 and moved into the inserting groove 601, so that the elastic inserting piece 108 is elastically bent, and then the clamping head 603, the first hinge piece 102 and the second hinge piece 103 are pulled out of the inserting groove 601 through the limiting block 109 and the elastic inserting piece 108. When the steel needle forceps need to be folded, the insertion block 106 is pulled first, the return spring 107 is compressed, one end of the insertion block 106 is separated from the inside of the insertion groove 203 formed in the handle 201, and then the handle 201 is folded outside the hinge mechanism 1.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of the technical features of the present utility model may be made by those skilled in the art, even though the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a steel needle forceps with stable centre gripping function, includes articulated mechanism (1), its characterized in that: one end of the hinge mechanism (1) is provided with a handle mechanism (2), and the other end of the hinge mechanism (1) is provided with a clamping mechanism (6);

the handle mechanism (2) comprises two handheld handles (201), and one end of each handheld handle (201) is provided with a plugging and fixing groove (203);

the hinge mechanism (1) comprises a second hinge (103), an installation groove (101) is formed in the outer side of the second hinge (103), a hinge shaft (104) is rotatably connected to the inner side of the installation groove (101), a first hinge (102) is sleeved on the outer side of the hinge shaft (104), the first hinge (102) and the second hinge (103) are rotatably connected with a handheld handle (201), movable grooves (105) are formed in the opposite surfaces of the first hinge (102) and the second hinge (103), a reset spring (107) is fixedly arranged on the inner side of the movable groove (105), and a plug-in fixing block (106) which is plugged into the plug-in fixing groove (203) is fixedly connected to one end of the reset spring (107);

clamping mechanism (6) are including two gripping heads (603), every spacing hole (602) have all been seted up to the bottom of gripping head (603), just grafting groove (601) with spacing hole (602) intercommunication have been seted up to the one end of gripping head (603), the one end of first articulated elements (102) and second articulated elements (103) is equal fixed mounting have with elasticity plug (108) of grafting groove (601), the lower surface fixed mounting of elasticity plug (108) have stopper (109) with spacing hole (602) block.

2. The steel needle forceps with stable clamping function according to claim 1, wherein: the elastic inserting piece (108) is of an L-shaped structure, and the elastic inserting piece (108) is made of elastic steel sheets.

3. The steel needle forceps with stable clamping function according to claim 1, wherein: one side of the limiting block (109) far away from the elastic inserting piece (108) is of an arc-shaped structure, and the limiting block (109) and the elastic inserting piece (108) are of an integrated structure.

4. The steel needle forceps with stable clamping function according to claim 1, wherein: the one end that first articulated elements (102) were kept away from to gripping head (603) is arc structure, and two a plurality of anti-skidding groove (7) have all been seted up to the opposite face of gripping head (603).

5. The steel needle forceps with stable clamping function according to claim 1, wherein: the handle mechanism (2) comprises a lantern ring (202), and the lantern ring (202) is fixedly connected with the handheld handle (201).

6. The steel needle forceps with stable clamping function according to claim 1, wherein: the front surface of the hand-held handle (201) at the rear is fixedly provided with a second bulge (5), the rear surface of the hand-held handle (201) at the front is fixedly provided with a first bulge (4), and the opposite surfaces of the first bulge (4) and the second bulge (5) are fixedly provided with two lugs (3).

7. The steel needle forceps with stable clamping function according to claim 1, wherein: the inserting and fixing block (106) is of an L-shaped structure, and the first hinge piece (102) is hinged with the handheld handle (201) through a rotating shaft.