Tissue force measuring grasping forceps

Abstract

The utility model aims to solve the problem that the conventional operating forceps are difficult to detect the tissue tension. According to the tissue force measuring grasping forceps, by arranging the first connecting pipe and the second connecting pipe which are in sliding fit, the structure matched with the clamping end and the holding end and the first elastic piece, tension detection of tissue clamped by the clamping end is achieved, the tissue tension is obtained more visually, and the damage condition of the tissue is better evaluated.

Description

Technical Field

[0001] The utility model relates to the technical field of pliers, in particular to a tissue force-measuring grasping forceps. Background Art

[0002] With the development of minimally invasive surgical techniques, the requirements for surgical instruments are getting higher and higher, especially in terms of fine operation and reducing tissue damage. Existing clamp-type surgical instruments can usually only clamp tissues, but it is difficult to detect the clamping force. For example, as shown in the patent with the authorized announcement number CN104921777B, it realizes locking after clamping through a locking piece and a serrated structure, and can roughly control the clamping force by the number of engaged teeth on the locking piece, but it is difficult to detect the performance such as the tension of the clamped tissue. Therefore, a pair of pliers that can accurately detect tissue tension is needed. Summary of the Invention

[0003] The purpose of the utility model is to solve the deficiencies of the prior art and provide a tissue force-measuring grasping forceps.

[0004] To solve the above problems, the utility model adopts the following scheme:

[0005] A tissue force-measuring grasping forceps includes a clamping end and a holding end; a first connecting pipe with a hollow interior is arranged between the clamping end and the holding end; a second connecting pipe is also slidably sleeved outside the first connecting pipe, and the second connecting pipe is located on the side of the first connecting pipe close to the holding end; the clamping end includes a fixed chuck and a movable chuck, and the holding end includes a fixed pliers handle and a rotating pliers handle; the fixed chuck is fixedly connected to one end of the first connecting pipe, and the movable chuck is rotatably arranged at the end of the first connecting pipe where the fixed chuck is provided; the movable chuck is also hinged to one end of a connecting rod, and the connecting rod is slidably arranged in the first connecting pipe; the other end of the connecting rod is connected to the rotating pliers handle, and the rotating pliers handle is also rotatably connected to the fixed pliers handle; the fixed pliers handle is also fixedly connected to the second connecting pipe; a first locking structure is also arranged between the first connecting pipe and the connecting rod, and a second locking structure is arranged between the connecting rod and the rotating pliers handle; a first elastic device is also arranged between the first connecting pipe and the second connecting pipe.

[0006] Further, the first elastic device is a spring, and the spring is sleeved outside the first connecting pipe.

[0007] Further, a protruding annular structure for abutting against the first elastic device is arranged on the outside of the first connecting pipe, one end of the first elastic device abuts against the annular structure, and the other end abuts against the end of the second connecting pipe far from the holding end.

[0008] Further, the first locking structure includes teeth distributed on the outside of the connecting rod and a clamping handle rotatably connected to the first connecting pipe; a second elastic device is also arranged between the clamping handle and the first connecting pipe.

[0009] Further, the middle part of the clamping handle is hinged to the outside of the first connecting pipe; a long strip-shaped hollow hole is also arranged at the part of the first connecting pipe where the clamping handle is located, and the hollow hole corresponds to the clamping teeth on the connecting rod; one end of the clamping handle faces into the hollow hole on the first connecting pipe; a second elastic device is arranged between the other end of the clamping handle and the outer wall of the first connecting pipe.

[0010] Further, the second elastic device is a spring.

[0011] Further, the second locking structure includes a turning handle, a turning rod, a clamping rod and a connecting block; wherein the turning handle is rotatably arranged on the rotating clamping handle through the turning rod; the turning handle is also fixedly connected to the connecting block, and the clamping rod is fixedly arranged on the connecting block; a notch corresponding to the clamping rod is arranged on the connecting rod; turning the turning handle enables the clamping rod on the connecting block to switch between the states of being inserted into and removed from the notch.

[0012] Further, the fixed clamping handle is in a rod-shaped structure that is approximately straight or bent.

[0013] Further, annular rings for conveniently passing fingers are respectively arranged at one ends of the fixed clamping handle and the rotating clamping handle that are far from the clamping end.

[0014] Further, tooth structures for improving the clamping effect are respectively arranged on the sides of the fixed chuck and the movable chuck that are close to each other.

[0015] The beneficial effects of the present utility model are as follows:

[0016] By providing the first connecting pipe and the second connecting pipe that are slidably matched, in combination with the structures of the clamping end and the holding end, and the first elastic member, the tension detection of the tissue clamped by the clamping end is realized, the tissue tension can be obtained more intuitively, and the damage condition of the tissue can be better evaluated;

[0017] By providing the first locking device including clamping teeth, a clamping handle and a second elastic device, the locking and loosening of the connecting rod and the first connecting pipe are realized;

[0018] By providing the second locking device, the locking and loosening of the connecting rod and the rotating clamping handle are realized. Description of the Drawings

[0019] Figure 1 It is a schematic diagram of the overall structure of Embodiment 1;

[0020] Figure 2 It is an exploded view of the overall structure of Embodiment 1;

[0021] Figure 3 It is a schematic diagram of the overall structure of Embodiment 1 from another angle;

[0022] Figure 4 Exploded view of the overall structure from another angle of Embodiment 1;

[0023] Figure 5 Schematic diagram of the second locking structure of Embodiment 1;

[0024] Figure 6 Schematic diagram of the overall structure of the bent fixed pliers handle of Embodiment 1.

[0025] Explanation of the attached drawing reference numerals: clamping end 1, fixed chuck 11, movable chuck 12, chuck fixing pin 13, tooth structure 14, gripping end 2, fixed pliers handle 21, rotating pliers handle 22, pliers handle fixing pin 23, annular ring 24, first connecting pipe 3, annular structure 31, first elastic device 32, hollow hole 33, second connecting pipe 4, first locking structure 5, locking teeth 51, locking handle 52, second elastic device 53, second locking structure 6, rotating handle 61, rotating rod 62, locking rod 63, connecting block 64, connecting rod 7, notch 71. Detailed implementation manners

[0026] The following specific examples illustrate the implementation manners of the present utility model. Those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. The present utility model can also be implemented or applied through other different specific implementation manners. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present utility model. It should be noted that, without conflict, the following embodiments and the features in the embodiments can be combined with each other.

[0027] It should be noted that the drawings provided in the following embodiments only illustrate the basic concept of the present utility model in a schematic manner. Therefore, only the components related to the present utility model are shown in the drawings, rather than being drawn according to the number, shape, and size of the components during actual implementation. The type, quantity, and ratio of each component during actual implementation can be arbitrarily changed, and the component layout type may also be more complex. Embodiment

[0028] As Figures 1 - 6As shown in the figure, a tissue force-measuring grasping forceps includes a clamping end 1 and a holding end 2; a first connecting pipe 3 with a hollow interior is provided between the clamping end 1 and the holding end 2; a second connecting pipe 4 is also slidably sleeved outside the first connecting pipe 3, and the second connecting pipe 4 is located on the side of the first connecting pipe 3 close to the holding end 2; the clamping end 1 includes a fixed chuck 11 and a movable chuck 12, and the holding end 2 includes a fixed pliers handle 21 and a rotating pliers handle 22; the fixed chuck 11 is fixedly connected to one end of the first connecting pipe 3, and the movable chuck 12 is rotatably arranged at the end of the first connecting pipe 3 where the fixed chuck 11 is provided; in this example, a chuck fixing pin 13 is provided on the first connecting pipe 3, and the movable chuck 12 is rotatably arranged on the chuck fixing pin 13; the movable chuck 12 is also hinged to one end of a connecting rod 7, and the connecting rod 7 is slidably arranged inside the first connecting pipe 3. As the connecting rod 7 slides, it can push the movable chuck 12 to rotate around the chuck fixing pin 13, realizing the clamping and loosening of the movable chuck 12 and the fixed chuck 11; the other end of the connecting rod 7 is connected to the rotating pliers handle 22, and the rotating pliers handle 22 is also rotatably connected to the fixed pliers handle 21. In this example, a pliers handle fixing pin 23 is provided on the fixed pliers handle 21, and the rotating pliers handle 22 is rotatably arranged on the pliers handle fixing pin 23 to achieve the rotating connection; the fixed pliers handle 21 is also fixedly connected to the second connecting pipe 4. In this example, the second connecting pipe 4 and the fixed handle 21 are connected by a pin; a first locking structure 5 is also provided between the first connecting pipe 3 and the connecting rod 7, and a second locking structure 6 is provided between the connecting rod 7 and the rotating pliers handle 22. The positional relationship between the first connecting pipe 3 and the connecting rod 7 is locked by the first locking structure 5. Similarly, the positional relationship between the connecting rod 7 and the rotating pliers handle 22 is locked by the second locking structure 6; a first elastic device 32 is also provided between the first connecting pipe 3 and the second connecting pipe 4. The first elastic device 32 is a spring, and the spring is sleeved outside the first connecting pipe 3. The tissue is clamped by the clamping end 1 through the holding end 2, and then the second locking structure 6 is unlocked, and the holding end 2 is pulled. At this time, the clamping end 1 keeps the state of clamping the tissue and pulls the tissue. Due to the action of the first locking structure 5, the clamping end 1 will drive the first connecting pipe 3 to act against the elastic force of the first elastic device 32. According to the elastic force of the first elastic device 32, the traction tension of the tissue clamped by the clamping end 1 can be known, and the damage condition of the tissue can be better evaluated.

[0029] A protruding annular structure 31 for abutting against the first elastic device 32 is provided on the outer side of the first connecting pipe 3. One end of the first elastic device 32 abuts against the annular structure 31, and the other end abuts against the end of the second connecting pipe 4 far from the holding end 2. It should be noted that in order to conveniently know the elastic force of the spring as the first elastic tissue, scale values corresponding to the spring are also designed on the second connecting pipe 4, and a transparent area or a hollow area is correspondingly provided to facilitate observing the compression condition of the spring; in this example, by observing the position of the annular structure 31 on the first connecting pipe 3, the compression amount of the spring can be known.

[0030] The first locking structure 5 includes a locking tooth 51 distributed on the outer side of the connecting rod 7 and a clamping handle 52 rotatably connected to the first connecting pipe 3; a second elastic device 53 is further arranged between the clamping handle 52 and the first connecting pipe 3. The middle part of the clamping handle 52 is hinged to the outer side of the first connecting pipe 3; a long strip-shaped hollow hole 33 is also arranged at the part of the first connecting pipe 3 where the clamping handle 52 is located, and the hollow hole 33 corresponds to the locking tooth 51 on the connecting rod 7; one end of the clamping handle 52 faces into the hollow hole 33 on the first connecting pipe 3; a second elastic device 53 is arranged between the other end of the clamping handle 52 and the outer wall of the first connecting pipe 3; the second elastic device 53 is a spring. Under the action of the second elastic device 53, one end of the clamping handle 52 abuts against the locking tooth 51 on the outer side of the connecting rod 7, realizing the locking of the connecting rod 7 and the first connecting pipe 3.

[0031] The second locking structure 6 includes a turning handle 61, a turning rod 62, a clamping rod 63 and a connecting block 64; wherein the turning handle 61 is rotatably arranged on the rotating clamping handle 22 through the turning rod 62; the turning handle 61 is also fixedly connected to the connecting block 64, and a clamping rod 63 is fixedly arranged on the connecting block 64; a notch 71 corresponding to the clamping rod 63 is arranged on the connecting rod 7; turning the turning handle 61 enables the clamping rod 63 on the connecting block 64 to switch between the states of being inserted into and withdrawn from the notch 71; when the clamping rod 63 is inserted into the notch 71, the connecting rod 7 and the rotating clamping handle 22 are rotationally clamped, and at this time, when the movable rotating clamping handle 22 is moved, the connecting rod 7 can be driven to slide in the first connecting pipe 3, thereby controlling the clamping and loosening of the clamping end 1.

[0032] The fixed clamping handle 21 is in a rod-shaped structure that is nearly straight or bent. Annular rings 24 for conveniently passing fingers are respectively arranged at the ends of the fixed clamping handle 21 and the rotating clamping handle 22 that are far from the clamping end 1.

[0033] Tooth structures 14 for improving the clamping effect are respectively arranged on the sides of the fixed chuck 11 and the movable chuck 12 that are close to each other.

[0034] In the implementation process, by providing the first connecting pipe 3 and the second connecting pipe 4 that are slidably mated, in combination with the structures of the clamping end 1 and the holding end 2, and the first elastic member, the tension detection of the tissue clamped by the clamping end 1 is realized, the tissue tension can be obtained more intuitively, and the damage condition of the tissue can be better evaluated; by providing the first locking device including the locking tooth 51, the clamping handle 52 and the second elastic device 53, the locking and loosening of the connecting rod 7 and the first connecting pipe 3 are realized; by providing the second locking device, the locking and loosening of the connecting rod 7 and the rotating clamping handle 22 are realized.

[0035] The above description is only a specific example of the present utility model and does not constitute any limitation to the present utility model. Obviously, for professionals in the field, after understanding the content and principle of the present utility model, various modifications and changes in form and details may be made without departing from the principle and structure of the present utility model. However, these corrections and changes based on the idea of the present utility model are still within the scope of protection of the claims of the present utility model.

Claims

1. An organizational force-measuring grasping forceps, comprising a clamping end (1) and a holding end (2); characterized in that, A first connecting pipe (3) with a hollow interior is provided between the clamping end (1) and the holding end (2); a second connecting pipe (4) is also slidably sleeved outside the first connecting pipe (3), and the second connecting pipe (4) is located on the side of the first connecting pipe (3) close to the holding end (2); the clamping end (1) includes a fixed chuck (11) and a movable chuck (12), and the holding end (2) includes a fixed pliers handle (21) and a rotating pliers handle (22); the fixed chuck (11) is fixedly connected to one end of the first connecting pipe (3), and the movable chuck (12) is rotatably arranged at the end of the first connecting pipe (3) where the fixed chuck (11) is provided; the movable chuck (12) is also hinged to one end of a connecting rod (7), and the connecting rod (7) is slidably arranged inside the first connecting pipe (3); the other end of the connecting rod (7) is connected to the rotating pliers handle (22), and the rotating pliers handle (22) is also rotatably connected to the fixed pliers handle (21); the fixed pliers handle (21) is also fixedly connected to the second connecting pipe (4); a first locking structure (5) is also provided between the first connecting pipe (3) and the connecting rod (7), and a second locking structure (6) is provided between the connecting rod (7) and the rotating pliers handle (22); a first elastic device (32) is also provided between the first connecting pipe (3) and the second connecting pipe (4).

2. The tissue force measuring grasping forceps according to claim 1, wherein, The first elastic device (32) is a spring, and the spring is sleeved outside the first connecting pipe (3).

3. The tissue force measuring grasping forceps according to claim 2, characterized in that, A protruding annular structure (31) for abutting against the first elastic device (32) is provided on the outside of the first connecting pipe (3), one end of the first elastic device (32) abuts against the annular structure (31), and the other end abuts against the end of the second connecting pipe (4) far from the holding end (2).

4. The tissue force measuring grasping forceps according to claim 1, wherein The first locking structure (5) includes teeth (51) distributed on the outside of the connecting rod (7) and a clamping handle (52) rotatably connected to the first connecting pipe (3); a second elastic device (53) is also provided between the clamping handle (52) and the first connecting pipe (3).

5. The tissue force measuring grasping forceps according to claim 4, wherein, The middle part of the clamping handle (52) is hinged to the outside of the first connecting pipe (3); a long strip-shaped hollow hole (33) is also provided at the part of the first connecting pipe (3) where the clamping handle (52) is provided, and the hollow hole (33) corresponds to the teeth (51) on the connecting rod (7); one end of the clamping handle (52) faces into the hollow hole (33) on the first connecting pipe (3); a second elastic device (53) is provided between the other end of the clamping handle (52) and the outer wall of the first connecting pipe (3).

6. The tissue force measuring grasping forceps according to claim 5, characterized in that, The second elastic device (53) is a spring.

7. The tissue force measuring grasping forceps according to claim 1, wherein The second locking structure (6) includes a turning handle (61), a turning rod (62), a clamping rod (63) and a connecting block (64); wherein the turning handle (61) is rotatably arranged on the rotating pliers handle (22) through the turning rod (62); the turning handle (61) is also fixedly connected to the connecting block (64), and a clamping rod (63) is fixedly arranged on the connecting block (64); a notch (71) corresponding to the clamping rod (63) is arranged on the connecting rod (7); rotating the turning handle (61) enables the clamping rod (63) on the connecting block (64) to switch between the states of being inserted into and disengaged from the notch (71).

8. The tissue force measuring grasping forceps according to claim 1, characterized in that The fixed pliers handle (21) is a rod-shaped structure that is approximately straight or curved.

9. The tissue force measuring grasping forceps according to claim 8, characterized in that, Ring-shaped loops (24) for facilitating the passing of fingers are respectively arranged at one ends of the fixed pliers handle (21) and the rotating pliers handle (22) that are far from the clamping end (1).

10. The tissue force measuring grasping forceps according to claim 1, wherein, Tooth structures (14) for improving the clamping effect are respectively arranged on one sides of the fixed chuck (11) and the movable chuck (12) that are close to each other.

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