CN220735464U

CN220735464U - Surgical grasping forceps handle with lock

Info

Publication number: CN220735464U
Application number: CN202321837307.8U
Authority: CN
Inventors: 郭峻玮; 王庚; 李小聪; 杨念方
Original assignee: Shinva Surgical Instrument Co ltd
Current assignee: Shinva Surgical Instrument Co ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2024-04-09
Anticipated expiration: 2033-07-13

Abstract

The utility model belongs to the technical field of medical appliances, and particularly relates to a surgical grasper handle with a lock, which comprises a fixed handle and a movable handle, wherein an insert mounting hole is formed in the fixed handle and is used for mounting an insert of the fixed handle; the fixed handle is rotationally connected with the movable handle through a rotating shaft, and hollow areas are formed in the fixed handle and the movable handle; the ratchet mechanism comprises a locking tooth positioned on the fixed handle and a ratchet positioned on the movable handle. The utility model can lock at any angle, clamps tissue organs, blood vessels and pathological tissues of a patient with different intensities, and does not need to continuously apply force to pinch the handle to operate, thereby reducing the operation burden of a user; the utility model has the advantages of simple and reasonable structure, flexible operation, safety, reliability and wide application scene.

Description

Surgical grasping forceps handle with lock

Technical Field

The utility model relates to a surgical grasping forceps handle with a lock, and belongs to the technical field of medical appliances.

Background

Laparoscopic surgery is gradually replacing open surgery by virtue of the advantages of small open wound, small damage to surrounding tissues during surgery, good post-surgery cosmetic effect and the like. The laparoscopic surgery grasping forceps have the functions of grasping, coagulating, separating and the like in the surgical process. When a user clamps the tissue of a patient in the operation process, the user always needs to continuously apply force to pinch the handle to operate in order to avoid the tissue from falling off, so that the user is tired, the operation is inconvenient to carry out, and the operation effect is affected.

Disclosure of Invention

According to the defects in the prior art, the technical problems to be solved by the utility model are as follows: the handle of the surgical grasping forceps with the lock can be locked at any angle, and the handle does not need to be continuously applied with force when the tissue of a patient is clamped, so that the operation burden of a user is reduced.

The utility model relates to a surgical grasper handle with a lock, which comprises a fixed handle and a movable handle, wherein an insert mounting hole is formed in the fixed handle and is used for mounting an insert of the fixed handle; the fixed handle is rotationally connected with the movable handle through a rotating shaft, and hollow areas are formed in the fixed handle and the movable handle; the ratchet mechanism comprises a locking tooth positioned on the fixed handle and a ratchet positioned on the movable handle.

When the clamp is used, the fixed handle is kept fixed, the movable handle is pressed down, so that the clamp head part clamps the tissue of a patient, after the clamp is clamped in place, the locking teeth are contacted with the ratchet wheel under the action of the elastic mechanism and are gradually locked, a user does not need to continuously apply force to the handle for locking, after the operation is finished, the locking teeth are pressed down, the ratchet mechanism is unlocked, and the position can be adjusted and other tissues can be clamped.

The hollow area of the movable handle is provided with a rotating shaft hole A and a riveting pin hole A which are respectively used for penetrating into the rotating shaft and the riveting pin; the ratchet wheel is provided with a rotating shaft hole B matched with the rotating shaft hole A and a riveting pin hole D matched with the riveting pin hole A, and the ratchet wheel is connected with the movable handle by penetrating the rotating shaft and the riveting pin, so that the ratchet wheel synchronously rotates along with the movable handle.

The hollow part of the fixed handle is provided with a rivet hole B for penetrating a rivet pin to be connected with the locking tooth; the elastic mechanism is a torsion spring, the torsion spring is arranged on the fixed handle and is positioned in a torsion spring groove A formed in the fixed handle and is connected with the locking teeth in a welding way, and the torsion spring can enable the locking teeth to be in contact with the ratchet wheel.

One end of the locking tooth is provided with a riveting pin hole C, the riveting pin hole C is matched with the riveting pin hole B, and the locking tooth is movably connected with the fixed handle after penetrating into the riveting pin; the other end of the locking tooth is provided with a convex pawl which can be meshed with the ratchet wheel to lock the ratchet mechanism; a shift lever is also arranged on the locking tooth and protrudes out of the surface of the fixed handle, and the ratchet mechanism can be unlocked by pressing the shift lever; the back of the locking tooth is provided with a torsion spring groove B, and the torsion spring groove B and the torsion spring groove A jointly play a limiting role on the torsion spring.

Preferably, the fixed handle is further provided with an electrode joint mounting hole for mounting an electrode joint.

Furthermore, the fixed handle and the movable handle are made of high polymer materials, and the ratchet wheel, the locking teeth, the torsion spring, the rotating shaft and the riveting pin are made of stainless steel materials.

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

the handles of the surgical grasper with the lock can be locked at any angle, can clamp tissue organs, blood vessels and pathological tissues of a patient with different intensities in laparoscopic surgery, does not need to continuously apply force to pinch the handles to operate, and reduces the operation burden of a user; the utility model has simple and reasonable structure, flexible operation, safety and reliability, can realize the general match with other components, gives various choices in clinical use and has wide application scene.

Drawings

Fig. 1 is a front view of the present utility model in an initial state;

FIG. 2 is a front view of the present utility model in a locked state;

FIG. 3 is a front view of the movable handle;

FIG. 4 is a left side view of the movable handle;

FIG. 5 is a front view of the stationary handle;

FIG. 6 is a left side view of the stationary handle;

FIG. 7 is a front view of the locking tooth;

FIG. 8 is a front view of the ratchet;

fig. 9 is a front view of the torsion spring.

In the figure: 1. a fixed handle; 2. a torsion spring; 3. a movable handle; 4. locking teeth; 5. a ratchet wheel; 6. a fixed handle insert; 7. an electrode joint; 8. a rotation shaft hole A; 9. a rivet hole A; 10. a rivet hole B; 11. torsion spring groove A; 12. a rivet hole C; 13. torsion spring groove B; 14. a rotation shaft hole B; 15. a rivet hole D; 16. a deflector rod.

Detailed Description

The utility model will be further illustrated with reference to specific examples.

However, the description of the present utility model is merely an embodiment of a structural or even functional description, and the scope of the claims of the present utility model is not limited by the embodiments described herein.

For example, the embodiments may have various modifications and various forms, and it is to be understood that the scope of the claims of the present utility model includes equivalents capable of realizing the technical idea.

As shown in fig. 1 to 9, the present embodiment is realized by the following technical scheme: the surgical grasper comprises a fixed handle 1 and a movable handle 3, wherein an insert mounting hole is formed in the fixed handle 1 and is used for mounting a fixed handle insert 6, the fixed handle 1 is movably connected with the movable handle 3 through a rotating shaft, hollow areas are formed in the fixed handle 1 and the movable handle 3, a ratchet mechanism and an elastic mechanism are arranged on a surgical grasper handle with a lock, and the ratchet mechanism comprises a locking tooth 4 positioned on the fixed handle 1 and a ratchet wheel 5 positioned on the movable handle 3, and can lock the fixed handle 1 and the movable handle 3 at any angle; the elastic mechanism is a torsion spring 2, and can enable the locking teeth 4 to be in contact with the ratchet wheel 5 and gradually locked.

In this embodiment, the hollow area of the movable handle 3 is provided with a rotation shaft hole A8 and a riveting pin hole A9, the ratchet wheel 5 is provided with a rotation shaft hole B14 and a riveting pin hole D15, the rotation shaft hole A8 is aligned with the rotation shaft hole B14, the riveting pin hole A9 is aligned with the riveting pin hole D15, and the rotation shaft and the riveting pin penetrate into the rotation shaft respectively, so that the movable handle 3 is fixedly connected with the ratchet wheel 5, and the ratchet wheel 5 can synchronously rotate along with the movable handle 3. The hollow area of the fixed handle 1 is provided with a rivet hole B10, and a rivet is penetrated through the rivet hole B10 to be connected with the locking tooth 4; the fixed handle 1 is provided with a torsion spring 2 and a torsion spring groove A11, and the torsion spring 2 is positioned in the torsion spring groove A11 and is welded with the locking teeth 4 so as to ensure the connection strength.

One end of the locking tooth is provided with a riveting pin hole C12, the riveting pin hole C12 is aligned with the riveting pin hole B10, and the locking tooth 4 is connected with the fixed handle 1 by penetrating a riveting pin, so that the locking tooth 4 can swing around the riveting pin for a certain angle; the other end of the locking tooth 4 is provided with a convex pawl, the ratchet wheel 5 is provided with a plurality of gear teeth, and the pawl can be meshed with the gear teeth to lock the ratchet mechanism; the locking tooth 4 is also provided with a deflector rod 16, the deflector rod 16 protrudes out of the surface of the fixed handle 1, and the locking tooth 4 and the ratchet wheel 5 can be separated by pressing the deflector rod 16, so that the ratchet mechanism is unlocked; the back of the locking tooth 4 is provided with a torsion spring groove B13, and the torsion spring groove B13 and the torsion spring groove A11 together limit the torsion spring 2.

The fixed handle 1 is also provided with an electrode joint mounting hole which is used for mounting the electrode joint 7.

In order to ensure the strength of the handles of the surgical graspers with locks and simultaneously give consideration to toughness and insulativity, the fixed handle 1 and the movable handle 3 are made of high polymer materials; the ratchet wheel 5, the locking teeth 4, the torsion spring 2, the rotating shaft and the riveting pin are all made of stainless steel, and the anti-rust device has the advantages of being strong in anti-rust capability, high in strength and the like.

When the clamp is used, the fixed handle 1 is kept fixed, the movable handle 3 is pressed down, the linked forceps head part clamps the tissue of a patient, after the forceps head part clamps in place, the locking teeth 4 are contacted with the ratchet wheel 5 and are gradually locked under the action of the torsion spring 2, a user does not need to continuously apply force to the handle for locking any more, after the operation is finished, the deflector rod 16 of the locking teeth is pressed down, the ratchet mechanism is unlocked, and the position can be adjusted and other tissues can be clamped.

Of course, the foregoing is merely preferred embodiments of the present utility model and is not to be construed as limiting the scope of the embodiments of the present utility model. The present utility model is not limited to the above examples, and those skilled in the art will appreciate that the present utility model is capable of equally varying and improving within the spirit and scope of the present utility model.

Claims

1. The surgical forceps handle with the lock comprises a fixed handle (1) and a movable handle (3), wherein an insert mounting hole for mounting an insert (6) of the fixed handle is formed in the fixed handle (1), and the surgical forceps handle with the lock is characterized in that the surgical forceps handle with the lock is provided with a ratchet mechanism and an elastic mechanism, so that the fixed handle (1) and the movable handle (3) can be locked at any angle;

the fixed handle (1) is rotationally connected with the movable handle (3) through a rotating shaft, and the ratchet mechanism comprises a locking tooth (4) positioned on the fixed handle (1) and a ratchet wheel (5) positioned on the movable handle (3).

2. The surgical grasper handle with lock according to claim 1, wherein the hollow area of the movable handle (3) is provided with a rotation shaft hole a (8) and a riveting pin hole a (9); the ratchet wheel (5) is provided with a rotating shaft hole B (14) matched with the rotating shaft hole A (8) and a riveting pin hole D (15) matched with the riveting pin hole A (9), and the movable handle (3) is fixedly connected with the ratchet wheel (5) through the rotating shaft and the riveting pin.

3. The handle of the surgical grasper with lock according to claim 1, wherein the hollow area of the fixed handle (1) is provided with a rivet hole B (10), and the rivet hole B (10) is connected with the locking tooth (4) through a penetrated rivet pin; the fixed handle (1) is also provided with an elastic mechanism which enables the locking teeth (4) to be contacted with the ratchet wheel (5), and the elastic mechanism is a torsion spring (2).

4. The handle of the surgical grasper with lock according to claim 3, wherein one end of the locking tooth (4) is provided with a rivet hole C (12), and the rivet hole C (12) is adapted to the rivet hole B (10); the other end of the locking tooth (4) is provided with a convex pawl which can be meshed with the ratchet wheel (5) to lock the ratchet mechanism; the locking tooth (4) is also provided with a deflector rod (16), and the deflector rod (16) protrudes out of the surface of the fixed handle (1).

5. A surgical grasper handle with lock according to claim 1 or 3, characterized in that the fixed handle (1) is provided with an electrode connector mounting hole for mounting the electrode connector (7).

6. The surgical grasper handle with lock according to claim 1, wherein the fixed handle (1) and the movable handle (3) are made of polymer materials, and the ratchet wheel (5), the locking teeth (4), the torsion spring (2), the rotating shaft and the riveting pin are made of stainless steel materials.