High-safety cervix biopsy forceps

By designing a rotating toggle block to restrict the movement of the toggle lever and a pull ring to separate the insertion rod, the risk of infection caused by the reuse of cervical live sampling forceps is solved, achieving a highly safe sampling forceps design that ensures medical safety and standardized waste disposal.

CN224193514UActive Publication Date: 2026-05-05CHANGZHOU CHENTAO MEDICAL EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGZHOU CHENTAO MEDICAL EQUIP CO LTD
Filing Date
2025-05-11
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

Existing cervical biopsy forceps are prone to being mistakenly reused during use, leading to a risk of infection.

Method used

A highly safe cervical live sampling forceps was designed. The movement of the lever is restricted by rotating the actuating block to prevent reuse, and the insertion rod is separated from the positioning groove by pulling the pull ring for easy sorting and processing.

Benefits of technology

It effectively prevents the reuse of sampling forceps, reduces the risk of cross-infection, complies with medical waste disposal regulations, and improves medical safety and processing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of medical instruments, in particular to high-safety cervix biopsy forceps which are characterized in that an inserting rod is arranged at the upper end of a grip, a positioning groove is formed in the rear end of a biopsy forceps body, a clamping groove is formed in the inner side of the positioning groove, the inserting rod is inserted into the positioning groove, a cavity is formed in one side of the inserting rod, and a clamping groove is formed in the other side of the inserting rod. A spring is arranged in the cavity, a clamping block matched with the clamping groove is arranged at one end of the spring, through holes are formed in the inserting rod and the grip, a pull rope penetrating through the spring and the through holes is arranged at the rear end of the clamping block, a pull rod is arranged at the bottom end of the pull rope, and the shifting block is rotated to drive the locking rod to limit movement of the shifting rod. The sampling forceps body is effectively prevented from being repeatedly used, the risk of cross infection caused by repeated use of the sampling forceps is completely eradicated from the source, and the medical safety of a patient is guaranteed.
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Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically a highly safe cervical live sampling forceps. Background Technology

[0002] Cervical biopsy forceps are medical devices used to sample the cervix from inside the body. Cervical biopsy forceps are disposable instruments and should not be reused. However, in actual use, because multiple cervical biopsy forceps are needed during the sampling process, operators may mistakenly reuse used cervical biopsy forceps, which can lead to a certain risk of infection. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] In view of the shortcomings of the existing technology, this utility model provides a highly safe cervical live sampling forceps.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-safety cervical live sampling forceps, comprising a sampling forceps body, a handle at the rear end of the sampling forceps body, a lever at the lower end of the sampling forceps body, a movable cavity at the lower end of the sampling forceps body, the top of the lever being movable within the movable cavity, a locking rod at the rear end of the sampling forceps body that is inserted into the sampling forceps body, a threaded rod threadedly connected to the sampling forceps body on the locking rod, and the front end of the locking rod being inserted into the movable cavity to limit the top of the lever;

[0007] The upper end of the handle is provided with an insertion rod, the rear end of the sampling forceps body is provided with a positioning groove, the inner side of the positioning groove is provided with a slot, the insertion rod is inserted into the interior of the positioning groove, and one side of the insertion rod is provided with a cavity, the cavity is provided with a spring, one end of the spring is provided with a locking block that cooperates with the slot, both the insertion rod and the handle are provided with through holes, the rear end of the locking block is provided with a pull rope that passes through the spring and the through hole, and the bottom end of the pull rope is provided with a pull rod.

[0008] By grasping the handle and operating the lever, the sampling forceps body can be made to work normally. After the sampling forceps body is used up, first rotate the lever to make the threaded rod drive the locking rod to move. This will cause one end of the locking rod to press against the top of the lever in the movable cavity, making the lever unusable and thus preventing the sampling forceps body from being reused.

[0009] When the sampling forceps body needs to be processed, pull the pull ring to compress the spring of the locking block, causing the locking block to disengage from the locking slot. The locking block can be a right-angled trapezoidal structure, which allows the insertion rod to be pulled out from the positioning slot, making it convenient to sort and process the sampling forceps body and the handle.

[0010] Furthermore, the present invention includes the following improvements: a limiting ring is provided at the rear end of the sampling clamp body, a damping ring is provided on the limiting ring through which the locking rod passes, the damping ring is made of damping rubber ring, and the actuating block is provided with anti-slip texture.

[0011] Furthermore, the present invention includes an improvement in that the lower end of the grip is provided with a groove, the pull rod is located inside the groove, and the lower end of the pull rod is provided with a pull ring, which is located inside the groove.

[0012] (III) Beneficial Effects

[0013] Compared with the prior art, this utility model provides a highly safe cervical biopsy forceps, which has the following beneficial effects:

[0014] The design, which restricts the movement of the lever by rotating the toggle block, effectively prevents the reuse of the sampling forceps body, eliminating the risk of cross-infection caused by the reuse of the sampling forceps and ensuring the medical safety of patients.

[0015] Pulling the ring separates the insertion rod from the positioning slot, allowing for easy separation of the sampling forceps body and handle. This design complies with medical waste disposal regulations, helps improve the efficiency of medical waste treatment, and reduces environmental pollution and potential disease transmission risks caused by improper disposal. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is the front view of the present invention;

[0018] Figure 3 This utility model Figure 1 A magnified schematic diagram of the partial structure at point A in the middle;

[0019] Figure 4 This is a schematic diagram of the mating structure of the card block and the card slot in this utility model;

[0020] Figure 5 This is a schematic diagram of the installation structure of the threaded rod in this utility model;

[0021] In the diagram: 1. Sampling clamp body; 2. Actuating lever; 3. Handle; 4. Movable cavity; 5. Locking lever; 6. Actuating block; 7. Threaded rod; 8. Limiting ring; 9. Damping ring; 10. Insert rod; 11. Positioning groove; 12. Slot; 13. Slot; 14. Cavity; 15. Spring; 16. Pull rope; 17. Pull ring; 18. Pull rod. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-5 This utility model discloses a high-safety cervical live sampling forceps, comprising a sampling forceps body 1, a handle 3 at the rear end of the sampling forceps body 1, a toggle rod 2 at the lower end of the sampling forceps body 1, a movable cavity 4 at the lower end of the sampling forceps body 1, the top of the toggle rod 2 being movable within the movable cavity 4, a locking rod 5 at the rear end of the sampling forceps body 1 being inserted into the sampling forceps body 1, a threaded rod 7 threadedly connected to the sampling forceps body 1 on the locking rod 5, and the front end of the locking rod 5 being able to be inserted into the movable cavity 4 to limit the top of the toggle rod 2;

[0024] The upper end of the handle 3 is provided with a rod 10, the rear end of the sampling forceps body 1 is provided with a positioning groove 11, the inner side of the positioning groove 11 is provided with a slot 12, the rod 10 is inserted into the interior of the positioning groove 11, and one side of the rod 10 is provided with a cavity 14, the cavity 14 is provided with a spring 15, one end of the spring 15 is provided with a locking block 13 that cooperates with the slot 12, the interior of the rod 10 and the handle 3 are both provided with through holes, the rear end of the locking block 13 is provided with a pull rope 16 that passes through the spring 15 and the through hole, and the bottom end of the pull rope 16 is provided with a pull rod 18.

[0025] During the medical procedure, medical staff first hold the handle 3, and then control the sampling forceps body 1 to perform cervical biopsy by operating the lever 2. The top of the lever 2 moves flexibly within the movable cavity 4, providing the necessary flexibility and precision for the sampling operation.

[0026] After sampling is completed, a locking operation is required to prevent the sampling forceps body 1 from being accidentally reused. Medical personnel rotate the actuating block 6 connected to the threaded rod 7. Because the threaded rod 7 is threadedly connected to the sampling forceps body 1, rotating the threaded rod 7 will move the locking rod 5. As the locking rod 5 moves forward, its front end gradually inserts into the movable cavity 4, creating pressure on the top of the actuating rod 2, thereby restricting the movement of the actuating rod 2 and preventing the sampling forceps body 1 from performing sampling operations again, effectively avoiding the infection risk caused by reuse.

[0027] In this embodiment, a limiting ring 8 is provided at the rear end of the sampling clamp body 1, and a damping ring 9 is provided on the limiting ring 8 through which the locking rod 5 passes. The damping ring 9 is made of damping rubber ring, and the actuating block 6 is provided with anti-slip texture.

[0028] When it is necessary to sort the used sampling forceps, medical staff can do so by pulling the pull ring 17. The pull ring 17 is connected to the pull rod 18, which is connected to the locking block 13 via the pull rope 16. When the pull ring 17 is pulled, the pulling force is transmitted to the pull rope 16 through the pull rod 18, which in turn causes the locking block 13 to compress the spring 15. The locking block 13 has a right-angled trapezoidal structure. Under the compression force of the spring 15, the locking block 13 disengages from the locking groove 12 inside the positioning groove 11. At this time, the insertion rod 10 is no longer restricted by the locking groove 12, and medical staff can easily pull the insertion rod 10 out of the positioning groove 11, realizing the separation of the sampling forceps body 1 and the handle 3, which facilitates the subsequent sorting and processing of both, ensuring the standardization and safety of medical waste disposal.

[0029] In this embodiment, the lower end of the grip 3 is provided with a groove, the pull rod 18 is located inside the groove, and the lower end of the pull rod 18 is provided with a pull ring 17, which is located inside the groove.

[0030] In addition, the limiting ring 8 and damping ring 9 (the damping ring 9 is made of damping rubber) at the rear end of the sampling forceps body 1 also play an important role. The limiting ring 8 positions and guides the locking rod 5, ensuring the stability of the locking rod 5 during movement; while the damping ring 9, made of damping rubber, increases the resistance when the locking rod 5 moves, making the feel of turning the threaded rod 7 more stable and preventing the locking rod 5 from loosening due to accidental rotation, further enhancing the reliability of locking. At the same time, the anti-slip texture on the actuating block 6 increases the friction between the medical staff's hand and the actuating block 6, making the operation of turning the actuating block 6 more stable and precise, reducing operational errors caused by hand slippage. The groove at the lower end of the handle 3 cleverly accommodates the pull rod 18 and the pull ring 17, not only preventing the pull rod 18 and the pull ring 17 from being damaged by external impact when not in use, but also preventing them from being pulled accidentally, ensuring the stability and safety of the sampling forceps during normal use.

[0031] Significantly reduces the risk of infection: The design of restricting the movement of the lever 2 by rotating the toggle block 6 to drive the locking lever 5 effectively prevents the reuse of the sampling forceps body 1, eliminating the risk of cross-infection caused by the reuse of sampling forceps at the source and ensuring the medical safety of patients. This design is of great significance in clinical applications, especially in areas with a high incidence of infectious diseases or in medical environments with extremely high requirements for infection control, as it can greatly reduce the possibility of infection transmission.

[0032] Convenient sorting and processing: Pulling the ring 17 separates the insertion rod 10 from the positioning slot 11, allowing for easy sorting of the sampling forceps body 1 and the handle 3. This design complies with the regulations for medical waste disposal, helps improve the efficiency of medical waste treatment, and reduces environmental pollution and potential disease transmission risks caused by improper disposal. It also facilitates subsequent work for medical staff after the procedure, improving work efficiency.

[0033] Before installing the pull rope 16, ensure that the sampling clamp body 1, handle 3, insertion rod 10, spring 15, and locking block 13 are complete and undamaged. Carefully check that the cavity 14 on the insertion rod 10 and the through hole inside the handle 3 are unobstructed and free of foreign objects to avoid affecting the installation and subsequent use of the pull rope 16. Also, prepare the necessary tools, such as tweezers, for handling small parts.

[0034] Threading the pull cord 16: One end of the pull cord 16 is connected to the locking block 13. The pull cord 16 is then threaded starting from the rear end of the locking block 13. First, it passes through the center hole of the spring 15, using tools such as tweezers to ensure smooth passage. Then, the pull cord 16 passes through the through holes inside the insert rod 10 and the handle 3, with the corners of the through holes rounded. During the threading process, the pull cord 16 must be kept smooth to avoid tangling or knotting, which would affect its pulling effect.

[0035] In the description herein, it should be noted that relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A high-safety cervical live sampling forceps, comprising a sampling forceps body (1), a handle (3) provided at the rear end of the sampling forceps body (1), a lever (2) provided at the lower end of the sampling forceps body (1), a movable cavity (4) provided at the lower end of the sampling forceps body (1), the top of the lever (2) being movable within the movable cavity (4), characterized in that: The rear end of the sampling clamp body (1) is provided with a locking rod (5) that is inserted into the sampling clamp body (1). The locking rod (5) is provided with a threaded rod (7) that is threadedly connected to the sampling clamp body (1). The front end of the locking rod (5) can be inserted into the movable cavity (4) to limit the top of the actuating rod (2). The upper end of the handle (3) is provided with a rod (10), the rear end of the sampling forceps body (1) is provided with a positioning groove (11), the inner side of the positioning groove (11) is provided with a slot (12), the rod (10) is inserted into the interior of the positioning groove (11), and one side of the rod (10) is provided with a cavity (14), the cavity (14) is provided with a spring (15), one end of the spring (15) is provided with a locking block (13) that cooperates with the slot (12), the rod (10) and the handle (3) are both provided with through holes, the rear end of the locking block (13) is provided with a pull rope (16) that passes through the spring (15) and the through hole, and the bottom end of the pull rope (16) is provided with a pull rod (18).

2. The high-safety cervical biopsy forceps according to claim 1, characterized in that: The sampling clamp body (1) has a limiting ring (8) at its rear end, and the limiting ring (8) has a damping ring (9) that is penetrated by the locking rod (5).

3. The high-safety cervical biopsy forceps according to claim 2, characterized in that: The damping ring (9) is made of damping rubber.

4. The high-safety cervical biopsy forceps according to claim 3, characterized in that: The lower end of the grip (3) is provided with a groove, and the pull rod (18) is located inside the groove.

5. The high-safety cervical biopsy forceps according to claim 4, characterized in that: The lower end of the pull rod (18) is provided with a pull ring (17), which is located inside the groove.

6. The high-safety cervical biopsy forceps according to claim 5, characterized in that: The actuating block (6) is provided with anti-slip texture.