Ureter clamping forceps structure

By designing a ureter clamp structure with an arc-shaped clamping mouth and a double locking mechanism, the problem of easy damage and disengagement of existing ureter clamps has been solved, achieving the effect of reducing ureteral damage and improving clamping stability.

CN223944455UActive Publication Date: 2026-02-27HAISHIKELE (HANGZHOU) MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202423052097.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2026-02-27
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing ureter clamps are prone to causing ureteral damage and are easily dislodged, posing a safety hazard.

Method used

A ureter clamping forceps structure was designed, which adopts a cross arrangement of arc-shaped large clamping mouth and matching clamping mouth. Through the dual locking mechanism of connecting rod and locking bar and buckle bar, the risk of direct compression and dislodgement of the ureter is reduced.

Benefits of technology

It effectively reduces damage to the ureter, improves the stability and safety of clamping, and avoids the risk of the clamps coming loose.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a ureter holding forceps structure which comprises two handles, a large clamping nozzle, a matching clamping nozzle, a connecting shaft and connecting rods, the two handles and the two connecting rods are connected in a crossed mode and connected in a rotating mode through the connecting shaft, one end of each connecting rod is fixedly connected with the corresponding handle, the large clamping nozzle and the matching clamping nozzle are both in an arc shape, and the connecting shaft is connected with the large clamping nozzle. The arc shape of the large clamping nozzle is larger than that of the matched clamping nozzle, the arc direction of the large clamping nozzle is consistent with that of the matched clamping nozzle, the lower end face of the large clamping nozzle makes contact with the upper end face of the matched clamping nozzle, the other end of one connecting rod is fixedly connected with the large clamping nozzle, and the other end of the other connecting rod is fixedly connected with the matched clamping nozzle. The clamping strips are fixedly connected with the handle, the positions of the two clamping strips correspond to each other, a buckling strip is arranged at the left end of the matched clamping nozzle and fixedly connected with the matched clamping nozzle, and the matched clamping nozzle is connected with the large clamping nozzle in a clamped mode through the buckling strip. The pair of ureter forceps has the advantages that damage to the ureter is reduced, and the ureter forceps are not prone to disengagement.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of medical apparatus and instruments, especially a ureter clamping forceps structure. BACKGROUND

[0002] At present, in laparoscopic surgery, there is also atraumatic forceps, and a fine-toothed atraumatic forceps is usually used; the fine-toothed atraumatic forceps can realize the clamping action on the tissue, but due to the design of the fine teeth, it has a large clamping force, and to a certain extent, it causes damage to the ureter, and the existing clamping forceps are generally fixed by the clamping of the clamping teeth on the handle part, but such a mode has the risk of disengagement to a certain extent, and once the disengagement occurs, it will cause danger to the surgery. SUMMARY

[0003] The utility model discloses in order to overcome the insufficient that the clamping teeth of prior art can cause the damage of ureter and are easy to disengage, provide a kind of ureter clamping forceps structure that clamping teeth forceps reduces the damage of ureter and is not easy to disengage.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A ureter clamping forceps structure, comprising a handle, a large clamp, a matching clamp, a connecting shaft and a connecting rod, the handle and the connecting rod are both two, the connecting rod is one-to-one corresponding to the handle, the two connecting rods are cross-connected and rotationally connected through the connecting shaft, one end of the connecting rod is fixedly connected with the handle, the large clamp and the matching clamp are both arc-shaped, the arc of the large clamp is larger than that of the matching clamp, the arc direction of the large clamp is consistent with that of the matching clamp, the lower end surface of the large clamp is in contact with the upper end surface of the matching clamp, the other end of one of the connecting rods is fixedly connected with the large clamp, and the other end of the other connecting rod is fixedly connected with the matching clamp, a clamping strip is arranged on the handle, the clamping strip is fixedly connected with the handle, the positions of the two clamping strips correspond to each other, a buckle strip is arranged on the left end of the matching clamp, the buckle strip is fixedly connected with the matching clamp, and the matching clamp is clamped with the large clamp through the buckle strip.

[0006] In use, hold the handle, control the connecting rod to rotate the matching clamp with the connecting shaft as the fulcrum, clamp the ureter with the arc-shaped matching clamp and the large clamp, the arc-shaped shape can buffer the ureter, and the ureter will not be directly folded and pressed to cause damage, and the arc-shaped shape can prevent the matching clamp and the large clamp from injuring the patient's surgical site, then clamp the large clamp with the buckle strip of the matching clamp through the clamping of the clamping strips on the handle, double-locking to prevent the clamping forceps from disengaging, when the ureter needs to be recanalized, the clamping strips and the buckle strip can be disengaged, and the purpose of reducing the damage of the ureter and preventing the clamping forceps from disengaging is achieved.

[0007] As preferred, the cross section shape of the big clamp mouth and the matched clamp mouth is arc shape. The cross section of the big clamp mouth and the matched clamp mouth is arc shape, and it is convenient for the ureter to have a protected guiding direction when clamped, reducing the damage caused by folding.

[0008] As preferred, the left end of the big clamp mouth is provided with a clamping hole, the upper end surface of the buckle strip is provided with a buckle, the buckle is fixedly connected with the upper end surface of the buckle strip, the position of the clamping hole corresponds to the buckle, and the big clamp mouth is clamped with the matched clamp mouth through the cooperation of the buckle and the clamping hole. The clamping hole is conveniently hooked by the buckle, so as to fix the big clamp mouth and the matched clamp mouth.

[0009] As preferred, the left side surface of the buckle is provided with a plurality of buckle teeth, the buckle teeth are distributed upwards and downwards, and the buckle teeth are integrally formed with the buckle. The plurality of buckle teeth are convenient for adjusting the tightness between the big clamp mouth and the matched clamp mouth.

[0010] As preferred, the lower end surface of the big clamp mouth and the upper end surface of the matched clamp mouth are provided with a plurality of pressing strips, the pressing strips are fixedly connected with the lower end surface of the big clamp mouth and the upper end surface of the matched clamp mouth respectively, the positions of the pressing strips of the lower end surface of the big clamp mouth and the upper end surface of the matched clamp mouth are staggered, and the cross section shape of the pressing strips is arc shape. The arc-shaped pressing strips can increase the occlusal force and are not easy to damage the ureter.

[0011] As preferred, the two clamping strips are distributed front and back, the inner side of the clamping strip is provided with a plurality of clamping teeth, the clamping teeth are distributed upwards and downwards, the clamping teeth are fixedly connected with the inner side surface of the clamping strip, the clamping teeth on the front clamping strip and the upper clamping teeth on the back clamping strip are distributed in a staggered manner, and the handle is clamped through the cooperation of the clamping teeth on the clamping strip. The plurality of clamping teeth can adjust the locking space between the clamping strips, and the tightness of the clamped ureter is also convenient to adjust.

[0012] The utility model discloses the beneficial effect is: the clamp jaw reduces ureter damage and the purpose of not easy to open, the cross section of big clamp mouth and matched clamp mouth is arc shape, and it is convenient for the ureter to have a protected guiding direction when clamped, reducing the damage caused by folding, the clamping hole is conveniently hooked by the buckle, so as to fix the big clamp mouth and the matched clamp mouth, a plurality of buckle teeth are convenient for adjusting the tightness between the big clamp mouth and the matched clamp mouth, arc-shaped pressing strips can increase the occlusal force and are not easy to damage the ureter, and a plurality of clamping teeth can adjust the locking space between the clamping strips, and the tightness of the clamped ureter is also convenient to adjust. DRAWINGS

[0013] Figure 1 It is the structure schematic diagram of the utility model discloses;

[0014] Figure 2 It is the main view of the utility model discloses the section view;

[0015] Figure 3 It is Figure 2a cross-sectional view of A-A of the figure;

[0016] Figure 4 is Figure 2 an enlarged view of detail B of the figure;

[0017] Figure 5 is Figure 2 an enlarged view of detail C of the figure;

[0018] Figure 6 is Figure 3 an enlarged view of detail D of the figure.

[0019] In the figure: 1. handle, 2. large clamp jaw, 3. matching clamp jaw, 4. connecting shaft, 5. clamping strip, 6. clamping strip, 7. connecting rod, 8. clamping hole, 9. clamping block, 10. clamping tooth, 11. pressing strip, 12. clamping tooth. DETAILED DESCRIPTION

[0020] The utility model will be further described below in combination with the drawings and specific embodiments.

[0021] As Figures 1 to 3 shown in the embodiments, a ureter clamp forceps structure comprises a handle 1, a large clamp jaw 2, a matching clamp jaw 3, a connecting shaft 4 and a connecting rod 7, the handle 1 and the connecting rod 7 are both two, the connecting rod 7 corresponds to the handle 1 one by one, the two connecting rods 7 are cross-connected and rotationally connected through the connecting shaft 4, one end of the connecting rod 7 is fixedly connected with the handle 1, the large clamp jaw 2 and the matching clamp jaw 3 are both arc-shaped, the arc shape of the large clamp jaw 2 is larger than that of the matching clamp jaw 3, the arc direction of the large clamp jaw 2 is consistent with that of the matching clamp jaw 3, the lower end surface of the large clamp jaw 2 is in contact with the upper end surface of the matching clamp jaw 3, the other end of one of the connecting rods 7 is fixedly connected with the large clamp jaw 2, the other end of the other connecting rod 7 is fixedly connected with the matching clamp jaw 3, the handle 1 is provided with a clamping strip 5, the clamping strip 5 is fixedly connected with the handle 1, the positions of the two clamping strips 5 correspond to each other, the left end of the matching clamp jaw 3 is provided with a clamping strip 6, the clamping strip 6 is fixedly connected with the matching clamp jaw 3, and the matching clamp jaw 3 is clamped with the large clamp jaw 2 through the clamping strip 6.

[0022] As Figure 1 and Figure 2 shown, the cross-sectional shape of the large clamp jaw 2 and the matching clamp jaw 3 is arc-shaped.

[0023] As Figure 2 and Figure 4 shown, the left end of the large clamp jaw 2 is provided with a clamping hole 8, the upper end surface of the clamping strip 6 is provided with a clamping block 9, the clamping block 9 is fixedly connected with the upper end surface of the clamping strip 6, the position of the clamping hole 8 corresponds to the clamping block 9, and the large clamp jaw 2 is clamped with the matching clamp jaw 3 through the cooperation of the clamping block 9 and the clamping hole 8.

[0024] As Figure 4As shown, the left side of the buckle block 9 is provided with several buckle teeth 10, which are distributed vertically and are integrally formed with the buckle block 9.

[0025] As shown in Figure 2 and Figure 5 the lower end surface of the large clamp 2 and the upper end surface of the matching clamp 3 are both provided with several pressing strips 11, which are fixedly connected with the lower end surface of the large clamp 2 and the upper end surface of the matching clamp 3, respectively. The pressing strips 11 on the lower end surface of the large clamp 2 are staggered with the pressing strips 11 on the upper end surface of the matching clamp 3, and the cross-sectional shape of the pressing strips 11 is arc-shaped.

[0026] As shown in Figure 3 and Figure 6 the two clamping strips 5 are distributed vertically, and the inner side of the clamping strip 5 is provided with several clamping teeth 12, which are distributed vertically and are fixedly connected with the inner side of the clamping strip 5. The clamping teeth 12 on the front clamping strip 5 are staggered with the clamping teeth 12 on the rear clamping strip 5, and the handle 1 is clamped by the clamping teeth 12 on the clamping strip 5.

[0027] In use, hold the handle 1, control the connecting rod 7 to rotate the matching clamp 3 around the connecting shaft 4, and clamp the ureter with the arc-shaped matching clamp 3 and the large clamp 2. The arc-shaped pressing strips 11 in the matching clamp 3 and the large clamp 2 reinforce the clamping force, and the arc-shaped shape can provide a buffer for the ureter, without directly folding and pressing, causing damage to the ureter. The arc-shaped shape can also prevent the matching clamp 3 and the large clamp 4 from injuring the patient's surgical site. Then, the clamping strips 5 on the handle 1 are clamped by the clamping teeth 12, the buckle strip 6 of the matching clamp 3 is buckled to the clamping hole 8 of the large clamp 2 by the buckle block 9, and the clamping force of the large clamp 2 and the matching clamp 3 is adjusted by the buckle teeth 10 and the clamping teeth 12. When the ureter needs to be reconnected, the clamping strips 5 and the buckle strip 6 are separated, achieving the purpose of reducing the damage to the ureter and preventing the clamp from being easily separated.

Claims

1. A ureter clamping forceps structure, characterized in that, The device includes a handle (1), a large clamp (2), a mating clamp (3), a connecting shaft (4), and a connecting rod (7). There are two handles (1) and two connecting rods (7). Each connecting rod (7) corresponds to one handle (1). The two connecting rods (7) are connected in a cross manner and are rotatably connected through the connecting shaft (4). One end of each connecting rod (7) is fixedly connected to the handle (1). Both the large clamp (2) and the mating clamp (3) are arc-shaped. The arc of the large clamp (2) is larger than that of the mating clamp (3). The arc direction of the large clamp (2) is consistent with that of the mating clamp (3). The lower end face of the large clamp (2) is in contact with the upper end face of the mating clamp (3). The other end of one of the connecting rods (7) is fixedly connected to the large clamp (2), and the other end of the other connecting rod (7) is fixedly connected to the mating clamp (3). The handle (1) is provided with a locking strip (5), which is fixedly connected to the handle (1). The positions of the two locking strips (5) are corresponding. The left end of the mating clamp (3) is provided with a buckle (6), which is fixedly connected to the mating clamp (3). The mating clamp (3) is engaged with the large clamp (2) through the buckle (6).

2. The ureter clamping forceps structure according to claim 1, characterized in that, The cross-sectional shape of both the large clamp (2) and the mating clamp (3) is arc-shaped.

3. The ureter clamping forceps structure according to claim 1, characterized in that, The large clamp (2) has a locking hole (8) at its left end, and a locking block (9) is provided on the upper surface of the buckle (6). The locking block (9) is fixedly connected to the upper surface of the buckle (6). The position of the locking hole (8) corresponds to the locking block (9). The large clamp (2) is engaged with the clamp (3) through the cooperation of the locking block (9) and the locking hole (8).

4. The ureter clamping forceps structure according to claim 3, characterized in that, The left side of the buckle block (9) is provided with several buckle teeth (10), which are distributed vertically. The buckle teeth (10) and the buckle block (9) are integrally formed.

5. The ureter clamping forceps structure according to claim 2, characterized in that, The lower end face of the large clamp (2) and the upper end face of the mating clamp (3) are provided with several pressure strips (11). The pressure strips (11) are fixedly connected to the lower end face of the large clamp (2) and the upper end face of the mating clamp (3). The positions of the pressure strips (11) on the lower end face of the large clamp (2) and the pressure strips (11) on the upper end face of the mating clamp (3) are staggered. The cross-sectional shape of the pressure strips (11) is arc-shaped.

6. The ureter clamping forceps structure according to claim 1, characterized in that, Two locking strips (5) are arranged in a front-to-back manner. The inner side of the locking strip (5) is provided with several locking teeth (12). The locking teeth (12) are arranged vertically. The locking teeth (12) are fixedly connected to the inner side of the locking strip (5). The locking teeth (12) on the front locking strip (5) and the locking teeth (12) at the upper end of the rear locking strip (5) are staggered. The handles (1) are engaged by the locking teeth (12) on the locking strips (5).