Microscopic tweezers with cutting edges on side surfaces

Abstract

The utility model relates to the technical field of surgical instruments, in particular to a pair of microscopic tweezers with cutting edges on side surfaces, which can enable the length of the tweezers to be adjustable, facilitate the adjustment of the length of the tweezers according to surgical conditions and improve the applicability. Comprising a tweezers handle, storage grooves are formed in the two sides of the front end of the tweezers handle, guide notches communicated with the storage grooves are formed in the left end and the right end of the front side of the tweezers handle, extension plates are slidably arranged in the two storage grooves, the rear ends of the outer side walls of the two extension plates are fixedly connected with limiting guide columns, and the two limiting guide columns slidably penetrate through the two guide notches respectively. Scale values are arranged on the two groups of graduated scales, threads are arranged on the outer walls of the two groups of limiting guide columns, the two groups of limiting guide columns are screwed and sleeved with the graduated scales through matching of the threads, the two groups of locking nuts are pressed at the left end and the right end of the forceps handle respectively, the front ends of the two groups of extension plates are fixedly connected with connecting handles, and the ends of the two groups of connecting handles are provided with forceps heads. Cutting edges are arranged on the side surfaces of the two groups of tweezers heads.

Description

Technical Field

[0001] The utility model relates to the technical field of surgical instruments, in particular to a pair of microscopic forceps with cutting edges on the side. Background Art

[0002] Micro forceps are one of the commonly used instruments in surgical operations and can be used to extract and separate fine tissues and clamp and tie knots. In the prior art, some micro forceps are also provided with cutting edges on the side of the forceps head, so that the micro forceps can be used not only for clamping but also for shearing, making it more convenient for doctors to complete surgical operations.

[0003] However, the length of the existing microscopic tweezers with cutting edges on the side is mostly fixed, and the length of the tweezers cannot be adjusted, so the applicability is poor. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a microscopic forceps with cutting edges on the side, which can make the length of the forceps adjustable, facilitate the adjustment of the length of the forceps according to the surgical situation, and improve the applicability.

[0005] Technical Solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a microscopic tweezers with cutting edges on the side, comprising a tweezers handle, storage grooves are provided on both sides of the front end of the tweezers handle, guide grooves connected to the storage grooves are provided on the left and right ends of the front side of the tweezers handle, extension plates are slidably provided in two groups of storage grooves, the rear ends of the outer side walls of the two groups of extension plates are fixedly connected to limiting guide columns, the two groups of limiting guide columns slide through the two groups of guide grooves respectively, the outer sides of the two groups of extension plates are embedded and fixed with scales, the two groups of scales are provided with scale values, the outer walls of the two groups of limiting guide columns are provided with threads, the two groups of limiting guide columns are screwed with scales through the cooperation of the threads, two groups of lock nuts are respectively pressed on the left and right ends of the tweezers handle, the front ends of the two groups of extension plates are fixedly connected to connecting handles, the ends of the two groups of connecting handles are provided with tweezers heads, and the sides of the two groups of tweezers heads are provided with cutting edges.

[0007] Preferably, two groups of screw heads are symmetrically fixed on the outer sides of the two groups of lock nuts.

[0008] Preferably, the outer ends of the two groups of limiting guide columns are fixedly connected with anti-drop plates.

[0009] Preferably, fastening pads are fixedly connected to the inner sides of the two groups of lock nuts.

[0010] Preferably, anti-slip grooves are provided on the front outer walls of both ends of the tweezers handles.

[0011] Compared with the prior art, the utility model has the following beneficial effects: when in use, the extension plate is initially retracted in the storage groove, and the doctor can clamp the tweezers head by pressing and pinching the front sides of the two ends of the tweezers handle, and can shear through the cutting edge. If the surgical site is deep and the connecting handle is not long enough, by loosening the lock nut, the extension plate can be pushed forward through the limiting guide column to extend the extension plate from the storage groove, and the extension length of the extension plate can be observed and adjusted according to the scale on the ruler to ensure that the extension lengths of the extension plates on both sides of the tweezers handle are consistent. After the adjustment is completed, the lock nut is tightened to fix the position of the extension plate and the operation can be carried out, thereby making the tweezers length adjustable, and the length of the tweezers can be adjusted according to the surgical situation to improve applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0014] Figure 3 It is a schematic diagram of the axonometric structure of the tweezers handle in the utility model;

[0015] Figure 4 It is a partial axonometric structural schematic diagram of the utility model;

[0016] Figure 5 It is a schematic diagram of the axonometric structure of the extension plate in the utility model;

[0017] Markings in the attached figure: 1. tweezer handle; 2. storage slot; 3. guide slot; 4. extension plate; 5. limit guide column; 6. scale; 7. lock nut; 8. connecting handle; 9. tweezer head; 10. screw head; 11. anti-slip plate; 12. fastening pad; 13. anti-slip groove. DETAILED DESCRIPTION

[0018] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0019] Example

[0020] See also Figure 1-Figure 5The utility model discloses a microscopic tweezers with a cutting edge on the side, comprising a tweezers handle 1, both sides of the front end of the tweezers handle 1 are provided with storage grooves 2, the left and right ends of the front side of the tweezers handle 1 are provided with guide grooves 3 connected with the storage grooves 2, two groups of extension plates 4 are slidably arranged in the two groups of storage grooves 2, the rear ends of the outer side walls of the two groups of extension plates 4 are fixedly connected with limited guide columns 5, the two groups of limited guide columns 5 slide through the two groups of guide grooves 3 respectively, the outer sides of the two groups of extension plates 4 are embedded and fixed with scales 6, the two groups of scales 6 are provided with scale values, the outer walls of the two groups of limit guide columns 5 are provided with threads, the two groups of limit guide columns 5 are threadedly sleeved with scales 6 through the cooperation of the threads, two groups of lock nuts 7 are respectively pressed on the left and right ends of the tweezers handle 1, the front ends of the two groups of extension plates 4 are fixedly connected with connecting handles 8, the two groups of connecting handles 8 Both ends are provided with tweezers heads 9, and the sides of the two sets of tweezers heads 9 are provided with cutting edges. When in use, the extension plate 4 is initially retracted in the storage groove 2. The doctor can clamp the tweezers heads 9 by pressing and pinching the front sides of the two ends of the tweezers handle 1, and can shear through the cutting edge. If the surgical site is deep and the connecting handle 8 is not long enough, by loosening the lock nut 7, the extension plate 4 can be pushed to slide forward through the limiting guide column 5, so that the extension plate 4 extends out of the storage groove 2. The extension length of the extension plate 4 is observed and adjusted according to the scale on the ruler 6 to ensure that the extension lengths of the extension plates 4 on both sides of the tweezers handle 1 are consistent. After the adjustment, the lock nut 7 is tightened to fix the position of the extension plate 4 and the operation can be carried out, so that the length of the tweezers can be adjusted. The length of the tweezers can be adjusted according to the surgical situation to improve applicability.

[0021] Two groups of screw heads 10 are symmetrically fixed on the outer sides of the two groups of lock nuts 7; by providing the screw heads 10, the lock nuts 7 can be welded and screwed more conveniently.

[0022] The outer ends of the two groups of limit guide columns 5 are fixedly connected with anti-drop plates 11; by providing the anti-drop plates 11, it is possible to prevent the lock nut 7 from being detached from the limit guide column 5 when the lock nut 7 is loosened, thereby playing a limiting role.

[0023] The inner sides of the two groups of lock nuts 7 are fixedly connected with fastening pads 12; by providing the fastening pads 12, the lock nuts 7 can be more tightly and firmly pressed against the tweezers handle 1 to avoid slipping.

[0024] Anti-skid grooves 13 are provided on the front outer walls of both ends of the tweezers handle 1; the anti-skid grooves 13 can prevent the hands from slipping during use.

[0025] The utility model discloses a microscopic forceps with a cutting edge on the side. Its working principle is that when in use, the extension plate 4 is initially retracted in the storage groove 2. The doctor can enable the forceps head 9 to clamp by pressing the front sides of the two ends of the forceps handle 1, and can shear through the cutting edge. If the depth of the surgical site is deep and the length of the connecting handle 8 is not enough, by loosening the lock nut 7, the extension plate 4 can be pushed to slide forward through the limiting guide column 5, so that the extension plate 4 is extended from the storage groove 2. The extended length of the extension plate 4 is observed and adjusted according to the scale on the scale ruler 6 to ensure that the extended lengths of the extension plates 4 on both sides of the forceps handle 1 are consistent. After the adjustment is completed, the lock nut 7 is tightened to fix the position of the extension plate 4 and subsequent operations can be carried out.

[0026] The utility model provides a microscopic forceps with cutting edges on the side. Its installation method, connection method or setting method are all common mechanical methods, and can be implemented as long as it can achieve its beneficial effects; technicians in this industry only need to install and operate it according to the accompanying instruction manual.

[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A microscopic forceps with cutting edges on the side, characterized in that: The invention comprises a tweezers handle (1), wherein both sides of the front end of the tweezers handle (1) are provided with storage grooves (2), the left and right ends of the front side of the tweezers handle (1) are provided with guide slots (3) connected with the storage grooves (2), the two groups of storage grooves (2) are slidably provided with extension plates (4), the rear ends of the outer side walls of the two groups of extension plates (4) are fixedly connected with limited guide columns (5), the two groups of limited guide columns (5) slide through the two groups of guide slots (3) respectively, and the outer sides of the two groups of extension plates (4) are embedded with fixed A scale (6) is provided, and scale values ​​are set on the two groups of scales (6). The outer walls of the two groups of limit guide pillars (5) are both provided with threads. The scales (6) are screwed on the two groups of limit guide pillars (5) through the matching of the threads. The two groups of lock nuts (7) are respectively pressed on the left and right ends of the tweezers handle (1). The front ends of the two groups of extension plates (4) are fixedly connected with connecting handles (8). The ends of the two groups of connecting handles (8) are both provided with tweezers heads (9), and the sides of the two groups of tweezers heads (9) are both provided with cutting edges.

2. A microscopic forceps with cutting edges on the side as claimed in claim 1, characterized in that: Two groups of screw heads (10) are symmetrically fixedly arranged on the outer sides of the two groups of lock nuts (7).

3. A microscopic forceps with cutting edges on the side as claimed in claim 2, characterized in that: The outer ends of the two groups of limit guide columns (5) are fixedly connected with anti-slip plates (11).

4. A microscopic forceps with cutting edges on the side as claimed in claim 3, characterized in that: The inner sides of the two groups of lock nuts (7) are fixedly connected with fastening pads (12).

5. A microscopic forceps with cutting edges on the side as claimed in claim 4, characterized in that: Anti-slip grooves (13) are provided on the front outer walls of both ends of the tweezers handle (1).

Images