Gynecological biopsy forceps

Abstract

The application discloses a gynecological biopsy forceps, belonging to the technical field of medical devices, comprising a clamp assembly, a fixed handle and a movable handle, a mounting slot is formed in the top of the fixed handle, a clamp channel and a handle channel are respectively arranged in the fixed handle along two directions, the tail end of the clamp assembly is inserted into the mounting slot through the clamp channel, the top of the movable handle is inserted into the mounting slot through the handle channel and is hinged to the clamp assembly, the movable handle and the fixed handle are connected through a rotating shaft, and the rotating shaft is located at the handle channel. The application optimizes the product structure, reduces unnecessary parts, further reduces the cost of the product, and reduces the medical cost burden.

Description

Technical Field

[0001] This application relates to the field of medical device technology, and in particular to a gynecological biopsy forceps. Background Technology

[0002] In today's medical field, gynecological examinations and diagnoses are crucial for women's health. Among the many gynecological examination methods, biopsy forceps are widely used, especially in the diagnosis of cervical lesions, where they play a key role. Biopsy forceps help doctors obtain cervical tissue samples for pathological analysis, thereby accurately determining whether the patient has lesions and the severity of those lesions.

[0003] Relevant prior art, such as Chinese patent application "A Cervical Sampling Forceps", application number: CN201820588851.6, discloses a forceps head, a cannula, a fixed handle, and a moving handle. The forceps head includes a fixed forceps head and a moving forceps head. The fixed forceps head has a through hole that matches the size of the moving forceps head as a sampling space. The moving forceps head is hinged to the fixed forceps head, and the position of the moving forceps head corresponds to the through hole. The top of the through hole groove wall of the fixed forceps head forms a fixed forceps head cutting edge, and the bottom of the outer wall of the moving forceps head forms a moving forceps head cutting edge. The moving forceps head is inserted into the through hole, so that the moving forceps head cutting edge and the fixed forceps head cutting edge engage to form a cutting action. The moving forceps head cutting edge includes two side cutting edges and a front cutting edge. The middle part of the two side cutting edges is concave inward, so that the two ends protrude relative to the middle part. The front cutting edge is located between the two side cutting edges and is connected to the front end of the two side cutting edges.

[0004] For example, Chinese patent application "A cervical biopsy forceps for obstetrics and gynecology", application number: CN202321398382.9, discloses a sampling tube with graduation lines on one side surface, a movable support mechanism sleeved on the outside of the sampling tube, and a connecting tube sleeved on the outside of the other end of the sampling tube. An injection cylinder is installed inside the connecting tube, and a micro pump is installed inside the injection cylinder. A connecting rod is installed through the inside of both the sampling tube and the connecting tube. An upper forceps head is installed through the sampling tube on one side of the connecting rod, and a lower forceps head is installed below the upper forceps head. A connector head is installed on one side surface of the connecting rod, and a connecting seat is sleeved on the outside of the connector head. A clamping mechanism is installed below the connecting seat. By using a slider in conjunction with an electric push rod, the slider is inserted into the vaginal opening. Then, the electric push rod is activated to drive the support plate to open the vaginal opening. Pressure is formed between the slider and the vaginal opening, and the slider is fixed thereto. Then, the sampling tube is slid into the cervix along the connecting tube.

[0005] While existing cervical biopsy forceps on the market meet clinical needs to some extent, they still have many problems and shortcomings in actual use. For example, the current gynecological biopsy forceps are relatively complex in design with many parts, resulting in high production costs. Furthermore, the reliance on manual assembly during production leads to excessively high assembly costs, further increasing the overall cost of the product and consequently raising medical expenses. Utility Model Content

[0006] The technical problem to be solved by this application is to provide a gynecological biopsy forceps that, by optimizing the product structure and reducing unnecessary parts, further reduces the cost of the product and alleviates the burden of medical costs.

[0007] The technical solution adopted in this application is as follows: a gynecological biopsy forceps, including a clamping assembly, a fixed handle and a movable handle. The top of the fixed handle is provided with an installation slot. The fixed handle is provided with a clamping channel and a handle channel in two directions. The tail end of the clamping assembly is inserted into the installation slot through the clamping channel. The top of the movable handle is inserted into the installation slot through the handle channel and hinged to the clamping assembly. The movable handle and the fixed handle are connected by a rotating shaft, which is located in the handle channel.

[0008] Compared with existing technologies, the advantages of this application are: this application mainly consists of a clamp assembly, a fixed handle, and a movable handle, without too many complex parts. Compared with existing designs, the number of parts is greatly reduced. This simplifies the overall structure and helps reduce production costs.

[0009] The fixed handle has a mounting slot at its top, and clamp channels and handle channels are provided in two directions. This design allows the tail end of the clamp assembly to be easily inserted into the mounting slot through the clamp channels, and the top of the movable handle can also be accurately inserted into the mounting slot along the handle channel and hinged to the clamp assembly. This design facilitates automated assembly processes because the installation paths of each component are clear and can be performed using robots or automated assembly equipment.

[0010] The reduction in parts and the simplification of the assembly process lowers both material procurement and processing costs during production. Furthermore, the feasibility of automated assembly reduces labor costs, thereby lowering the overall production cost of the product. This helps alleviate the financial burden on healthcare institutions, enabling more medical organizations to procure and use these biopsy forceps at a lower cost.

[0011] In this application, for ease of description, the end where the biopsy forceps assembly is located is referred to as the front, and the end away from the end where the forceps assembly is located is referred to as the back.

[0012] In some embodiments of this application, the fixed handle includes a rod and a shank, which are connected at an obtuse angle, and the mounting slot is located at the angle between the rod and the shank. This design ensures that the rod and shank of the fixed handle form a certain angle during use, facilitating physician operation. The mounting slot, located at the angle between the rod and the shank, provides a reasonable position for the installation of the clamp assembly and the movable handle, facilitating the assembly of subsequent components and the overall structural layout.

[0013] In some embodiments of this application, a side cover is provided at the mounting slot, a slide rail is provided on the bottom surface of the mounting slot in the horizontal direction, the longitudinal section of the slide rail is an inverted L-shaped structure, and a bayonet is provided at the tail end of the slide rail.

[0014] In some embodiments of this application, the inner wall surface of the side cover is provided with a slide rail with a groove, and the tail end of the groove is provided with a locking protrusion corresponding to the bayonet; the side cover moves along the slide rail until the locking protrusion is engaged with the bayonet. That is, this application exposes the connection structure between the clamp assembly and the moving handle by providing an installation slot, which facilitates assembly. At the same time, the side cover is engaged with the fixed handle to achieve sealing after assembly.

[0015] The design of the slide rail and bayonet allows the side cover to connect stably to the fixed handle. During assembly, the side cover moves along the slide rail until the latch engages with the bayonet, achieving quick and secure installation. This structure not only facilitates assembly but also effectively protects the internal clamping components and the connection structure of the moving handle, preventing external impurities from entering. It also contributes to improving the overall integrity and aesthetics of the product.

[0016] In some embodiments of this application, the application further includes a spring sheet, which is bent into an inverted V-shape. Both the bottom of the movable handle and the bottom of the fixed handle are provided with slots, which are arranged opposite to each other. The bottom of the spring sheet is inserted into each of the two slots. The spring sheet provides a force to keep the bottoms of the movable handle and the fixed handle in an open state.

[0017] The spring design provides a stable opening force between the moving handle and the fixed handle, ensuring that the moving handle and the fixed handle can maintain a certain opening angle when not in use, making it convenient for doctors to perform sampling operations.

[0018] In some embodiments of this application, a stop is provided on the handle. The stop is located on the side of the fixed handle away from the moving handle. The stop protrudes from the surface of the fixed handle and is located near the rod. The stop has a V-shaped structure and the bottom of the stop smoothly transitions to the surface of the fixed handle.

[0019] The stop effectively restricts the position where the doctor holds the biopsy forceps, preventing the hand from slipping onto the handle, avoiding misoperation, and improving safety. The V-shaped structure design ensures strength while reducing weight, and the smooth transition between the bottom and the fixed handle surface facilitates cleaning and disinfection, while also increasing hand comfort.

[0020] In some embodiments of this application, the opposite sides of the fixed handle and the movable handle are concave curved surfaces. This concave curved surface provides a hiding space for the spring, which can be well hidden between the fixed handle and the movable handle during operation, avoiding accidental damage that may be caused by the spring being exposed. It also makes the overall appearance smoother and simpler, and easier to operate and clean.

[0021] In some embodiments of this application, the clamp assembly includes a sleeve, a pull rod, a fixed clamp head, and a movable clamp head. The tail end of the sleeve is inserted into the fixed handle, and the fixed clamp head is fixedly installed at the front end of the sleeve. The tail end of the pull rod passes through the sleeve and is hinged to the top of the movable handle.

[0022] This structure achieves an effective connection between the clamp assembly and the handle assembly. Through the transmission of the lever, the movement of the movable handle is accurately transmitted to the movable clamp head, realizing the opening and closing of the clamp head and thus completing the acquisition of tissue samples. The sleeve design not only protects the internal lever but also provides stable support for the fixed clamp head, ensuring the reliability and durability of the clamp assembly.

[0023] In some embodiments of this application, the rod is generally in the shape of a cylindrical tube, the inner wall of the rod is adapted to the outer diameter of the sleeve, a limiting ring is provided at the tail end of the inner wall of the rod, and the sleeve is inserted into the rod until its tail end abuts against the limiting ring.

[0024] The cylindrical rod structure possesses high strength and rigidity, effectively protecting the internal sleeve and tie rod. The inner wall of the rod conforms to the outer diameter of the sleeve, ensuring stable installation of the sleeve within the rod. The limiting ring further restricts the installation position of the sleeve, enhancing the reliability of the connection.

[0025] Specifically, a corresponding snap-fit ​​structure can be provided on the inner wall of the rod to lock the sleeve in place after it is installed, thereby preventing the sleeve from falling off.

[0026] In some embodiments of this application, the top surface of the movable handle has an insertion slot, the tail end of the pull rod is inserted into the insertion slot, and a pin passes through the tail end of the pull rod and the wall of the insertion slot; the movable jaw and the fixed jaw are rotatably connected, and the front end of the pull rod is hinged to the movable jaw. The movable jaw can rotate flexibly around an axis under the drive of the pull rod, realizing the opening and closing action of the jaw.

[0027] In the absence of force, the moving jaw remains open relative to the fixed jaw under the action of the spring clip. When the moving handle moves closer to the fixed handle, it pulls the lever forward, thereby causing the moving jaw to rotate around its axis and engage with the fixed jaw for clamping.

[0028] Based on common knowledge in the field, the above-described embodiments can be combined arbitrarily. Attached Figure Description

[0029] The present application will be described in further detail below with reference to the accompanying drawings and preferred embodiments. However, those skilled in the art will understand that these drawings are drawn only for the purpose of explaining the preferred embodiments and therefore should not be construed as limiting the scope of the present application. Furthermore, unless specifically indicated, the drawings are only schematic representations of the composition or structure of the described objects and may contain exaggerated depictions, and the drawings are not necessarily drawn to scale.

[0030] Figure 1 This is a schematic diagram of the structure of this application; Figure 2 This is a schematic diagram of the internal structure of this application; Figure 3 This is a cross-sectional view of this application; Figure 4 This is a schematic diagram of the exploded structure of this application.

[0031] The specific reference numerals in the attached drawings are explained as follows: 1. Clamp assembly; 2. Fixed handle; 3. Moving handle; 4. Mounting slot; 5. Clamp channel; 6. Handle channel; 7. Rotating shaft; 8. Rod; 9. Handle; 10. Side cover; 11. Slide rail; 12. Bay; 13. Slide groove; 14. Loop; 15. Spring; 16. Slot; 17. Stop; 18. Sleeve; 19. Pull rod; 20. Fixed clamp head; 21. Moving clamp head; 22. Limiting ring; 23. Insertion port; 24. Pin. Detailed Implementation

[0032] The present application will now be described in detail with reference to the accompanying drawings.

[0033] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0034] A gynecological biopsy forceps, as described in Example 1 Figure 1 , Figure 2As shown, this application mainly consists of a clamp assembly 1, a fixed handle 2, and a movable handle 3, without too many complex parts. Compared with the design of the prior art, the number of parts is greatly reduced, thus making the overall structure simpler and helping to reduce production costs. The top of the fixed handle 2 has a mounting slot 4, and the fixed handle 2 has a clamp channel 5 and a handle channel 6 arranged in two directions. The tail end of the clamp assembly 1 is inserted into the mounting slot 4 through the clamp channel 5, and the top of the movable handle 3 is inserted into the mounting slot 4 through the handle channel 6 and hinged to the clamp assembly 1. The movable handle 3 and the fixed handle 2 are connected by a rotating shaft 7, which is located in the handle channel 6. This design facilitates the automated assembly process because the installation paths of each component are clear and can be assembled using robots or automated assembly equipment.

[0035] The reduction in parts and the simplification of the assembly process lowers both material procurement and processing costs during production. Furthermore, the feasibility of automated assembly reduces labor costs, thereby lowering the overall production cost of the product. This helps alleviate the financial burden on healthcare institutions, enabling more medical organizations to procure and use these biopsy forceps at a lower cost.

[0036] In this application, for ease of description, the end where the biopsy forceps assembly 1 is located is referred to as the front, and the end away from the end where the forceps assembly 1 is located is referred to as the rear.

[0037] Example 2, as Figures 1 to 4 As shown, the fixed handle 2 includes a rod 8 and a handle 9, which are connected at an obtuse angle. The mounting slot 4 is located at the angle between the rod 8 and the handle 9. This design ensures that the rod 8 and the handle 9 of the fixed handle 2 form a certain angle during use, facilitating the doctor's operation. The mounting slot 4, located at the angle between the rod 8 and the handle 9, provides a reasonable position for the installation of the clamp assembly 1 and the movable handle 3, facilitating the assembly of subsequent components and the overall structural layout.

[0038] A side cover 10 is provided at the mounting slot 4. A slide rail 11 is provided horizontally on the bottom surface of the mounting slot 4. The longitudinal section of the slide rail 11 is an inverted L-shaped structure, and a latch 12 is provided at the tail end of the slide rail 11. A groove 13 is provided on the inner wall of the side cover 10 to adapt to the slide rail 11. A latching protrusion 14 is provided at the tail end of the groove 13 corresponding to the latch 12. The side cover 10 moves along the slide rail 11 until the latching protrusion 14 is engaged with the latch 12. That is, by providing the mounting slot 4, the connection structure between the clamp assembly 1 and the moving handle 3 is exposed, which facilitates assembly. At the same time, the side cover 10 is engaged with the fixed handle 2 to achieve sealing after assembly. The structural design of the slide rail 11 and the latch 12 enables the side cover 10 to be stably connected to the fixed handle 2. During the assembly process, the side cover 10 moves along the slide rail 11 until the latching protrusion 14 is engaged with the latch 12, achieving quick and secure installation. This structure not only facilitates assembly, but also effectively protects the connection structure of the internal clamp assembly 1 and the moving handle 3, preventing external impurities from entering, while also improving the overall integrity and aesthetics of the product.

[0039] This application also includes a spring clip 15, which is bent into an inverted V-shape. Both the bottom of the movable handle 3 and the bottom of the fixed handle 2 are provided with slots 16, which are arranged opposite each other. The bottom of the spring clip 15 is inserted into each of the two slots 16. The spring clip 15 provides a force to keep the bottoms of the movable handle 3 and the fixed handle 2 in an open state. The design of the spring clip 15 provides a stable opening force between the movable handle 3 and the fixed handle 2, ensuring that the movable handle 3 and the fixed handle 2 can maintain a certain opening angle when not in use, facilitating sampling operations by doctors.

[0040] A stop 17 is provided on the handle 9. The stop 17 is located on the side of the fixed handle 2 away from the movable handle 3. The stop 17 protrudes from the surface of the fixed handle 2 and is positioned near the rod 8. The stop 17 has a V-shaped structure, and its bottom smoothly transitions to the surface of the fixed handle 2. The stop 17 effectively restricts the position of the doctor's grip on the biopsy forceps, preventing the hand from sliding onto the rod 8, avoiding misoperation, and improving the safety of use. The V-shaped structure design reduces weight while ensuring strength, and the smooth transition of the bottom to the surface of the fixed handle 2 facilitates cleaning and disinfection, while also increasing the comfort of holding the hand.

[0041] The opposite sides of the fixed handle 2 and the movable handle 3 are concave curved surfaces. This concave curved surface provides a hiding space for the spring piece 15. During operation, the spring piece 15 can be well hidden between the fixed handle 2 and the movable handle 3, avoiding accidental damage that may be caused by the spring piece 15 being exposed. At the same time, it also makes the overall appearance smoother and simpler, and easier to operate and clean.

[0042] The clamp assembly 1 includes a sleeve 18, a pull rod 19, a fixed clamp head 20, and a movable clamp head 21. The tail end of the sleeve 18 is inserted into the fixed handle 2, and the fixed clamp head 20 is fixedly installed at the front end of the sleeve 18. The tail end of the pull rod 19 passes through the sleeve 18 and is hinged to the top of the movable handle 3. This structure achieves an effective connection between the clamp assembly 1 and the handle assembly. Through the transmission of the pull rod 19, the movement of the movable handle 3 can be accurately transmitted to the movable clamp head 21, realizing the opening and closing of the clamp head, thereby completing the acquisition of tissue samples. The design of the sleeve 18 not only protects the internal pull rod 19 but also provides stable support for the fixed clamp head 20, ensuring the reliability and durability of the clamp assembly 1.

[0043] The rod 8 is generally cylindrical, with its inner wall conforming to the outer diameter of the sleeve 18. A limiting ring 22 is provided at the tail end of the inner wall of the rod 8. The sleeve 18 is inserted into the rod 8 until its tail end abuts against the limiting ring 22. The cylindrical rod 8 structure has high strength and rigidity, effectively protecting the sleeve 18 and the tie rod 19 inside. The conformity of the inner wall of the rod 8 to the outer diameter of the sleeve 18 ensures the stable installation of the sleeve 18 within the rod 8. The limiting ring 22 further restricts the installation position of the sleeve 18, enhancing the reliability of the connection. Specifically, a corresponding snap-fit ​​structure can also be provided on the inner wall of the rod 8, so that the sleeve 18 is locked in place after installation, thereby preventing the sleeve 18 from falling off.

[0044] The top surface of the movable handle 3 has an insertion slot 23. The tail end of the pull rod 19 is inserted into the insertion slot 23, and the pin 24 passes through the tail end of the pull rod 19 and the wall of the insertion slot. The movable jaw 21 and the fixed jaw 20 are rotatably connected, and the front end of the pull rod 19 is hinged to the movable jaw 21. The movable jaw 21 can rotate flexibly around its axis under the action of the pull rod 19, realizing the opening and closing action of the jaw. In the unloaded state, the movable jaw 21 is kept open relative to the fixed jaw 20 under the action of the spring piece 15. When the movable handle 3 moves closer to the fixed handle 2, it pulls the pull rod 19 forward, thereby pushing the movable jaw 21 to rotate around its axis and cooperate with the fixed jaw 20 to clamp.

[0045] The rest of the contents of Example 2 are the same as those of Example 1.

[0046] The present application has been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the present application. The descriptions of the embodiments above are only for the purpose of helping to understand the present application and its core ideas. It should be noted that those skilled in the art can make several improvements and modifications to the present application without departing from the principles of the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A gynecological biopsy forceps, characterized in that, The device includes a clamp assembly (1), a fixed handle (2), and a movable handle (3). The top of the fixed handle (2) is provided with an installation slot (4). The fixed handle (2) is provided with a clamp channel (5) and a handle channel (6) in two directions. The tail end of the clamp assembly (1) is inserted into the installation slot (4) through the clamp channel (5). The top of the movable handle (3) is inserted into the installation slot (4) through the handle channel (6) and is hinged to the clamp assembly (1). The movable handle (3) and the fixed handle (2) are connected by a rotating shaft (7), which is located in the handle channel (6).

2. The gynecological biopsy forceps according to claim 1, characterized in that, The fixed handle (2) includes a rod (8) and a handle (9), the rod (8) and the handle (9) are connected at an obtuse angle, and the mounting slot (4) is located at the angle between the rod (8) and the handle (9).

3. The gynecological biopsy forceps according to claim 1, characterized in that, A side cover (10) is provided at the mounting slot (4). A slide rail (11) is provided on the bottom surface of the mounting slot (4) in the horizontal direction. The longitudinal section of the slide rail (11) is an inverted L-shaped structure. A bayonet (12) is provided at the tail end of the slide rail (11).

4. A gynecological biopsy forceps according to claim 3, characterized in that, The inner wall surface of the side cover (10) is adapted to the slide rail (11) and is provided with a slide groove (13). The tail section of the slide groove (13) is provided with a locking protrusion (14) corresponding to the bayonet (12). The side cover (10) moves along the slide rail (11) until the locking protrusion (14) is embedded in the bayonet (12).

5. The gynecological biopsy forceps according to claim 1, wherein, It also includes a spring (15), which is bent into an inverted V-shaped structure. The bottom of the moving handle (3) and the bottom of the fixed handle (2) are provided with slots (16). The two slots (16) are arranged opposite to each other, and the bottom of the spring (15) is inserted into the two slots (16) respectively.

6. A gynecological biopsy forceps according to claim 2, characterized in that, A stop (17) is provided on the handle (9). The stop (17) is located on the side of the fixed handle (2) away from the moving handle (3). The stop (17) protrudes from the surface of the fixed handle (2) and is located near the rod (8). The stop (17) has a V-shaped structure and the bottom of the stop (17) smoothly transitions to the surface of the fixed handle (2).

7. A gynecological biopsy forceps according to claim 2, characterized in that, The fixed handle (2) and the moving handle (3) have inwardly concave curved surfaces on opposite sides.

8. A gynecological biopsy forceps according to claim 2, characterized in that, The clamp assembly (1) includes a sleeve (18), a pull rod (19), a fixed clamp head (20) and a movable clamp head (21). The tail end of the sleeve (18) is inserted into the fixed handle (2), and the fixed clamp head (20) is fixedly installed at the front end of the sleeve (18). The tail end of the pull rod (19) is passed through the sleeve (18) and hinged to the top of the movable handle (3).

9. A gynecological biopsy forceps according to claim 8, characterized in that, The rod (8) is in the shape of a cylindrical tube. The inner wall of the rod (8) is adapted to the outer diameter of the sleeve (18). A limiting ring (22) is provided at the end of the inner wall of the rod (8). The sleeve (18) is inserted into the rod (8) until its end abuts against the limiting ring (22).

10. A gynecological biopsy forceps according to claim 8, characterized in that, The top surface of the moving handle (3) is provided with an insertion port (23), the tail end of the pull rod (19) is inserted into the insertion port (23), and the pin (24) passes through the tail end of the pull rod (19) and the wall of the insertion port; the moving pliers head (21) and the fixed pliers head (20) are rotatably connected, and the front end of the pull rod (19) is hinged to the moving pliers head (21).

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