Respiratory tract foreign body extractor
By designing a respiratory foreign body remover and utilizing the combined structure of the removal tube and the forceps head, the foreign body can be automatically clamped and locked, solving the problem of existing foreign body forceps requiring continuous clamping force, and improving the removal success rate and operational reliability.
Patent Information
- Application Number
- CN202422341273.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-09-25
AI Technical Summary
Existing foreign body forceps need to maintain a constant clamping force when removing foreign bodies. If the force is too small, the foreign body may become loose, while if the force is too large, the foreign body may be crushed, resulting in inconvenient operation and a low success rate.
A respiratory foreign body remover is designed, which adopts a retrieval tube, a movable clamp head, a fixed clamp head, a spring, a locking mechanism and a pulling mechanism. By rotating the movable handle to drive the pull rope, the foreign body can be automatically clamped and locked to avoid continuous clamping force.
It eliminates the need to maintain clamping force continuously, improves the success rate of foreign body removal, and is easy to operate and highly reliable.
Smart Images
Figure CN223473848U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical device technology, specifically to a respiratory tract foreign body removal device. Background Technology
[0002] Foreign body forceps are a medical consumable. This product is used in conjunction with an endoscope to remove foreign bodies from the human digestive tract. Foreign body forceps are commonly used medical instruments in gastroenterology endoscopy, primarily to assist doctors in removing foreign bodies from a patient's digestive organs. They generally consist of a forceps head, an outer tube, a pull cord, and a handle.
[0003] In existing technologies, when using foreign body forceps to remove foreign objects, medical personnel usually need to hold the handle and pull the forceps head with a cable to clamp the foreign object. During the removal of the foreign object, it is necessary to maintain the clamping force continuously. If the force is too small, it will loosen; if the force is too large, it will easily crush the foreign object. Therefore, we have introduced a respiratory tract foreign body removal device. Utility Model Content
[0004] The purpose of this invention is to provide a respiratory tract foreign body removal device that eliminates the need to maintain clamping force while removing the foreign body, making it easy to use, highly reliable, and improving the success rate, thereby solving the problems mentioned in the background art.
[0005] To achieve the above objectives, the present invention provides the following technical solutions:
[0006] A foreign body removal device for the respiratory tract includes a retrieval tube, one end of which is fixedly fitted with a housing, and the other end of which has an annular groove along its inner edge. A fixed clamp head is fixedly fitted on the lower side of the annular groove, and a movable clamp head is fitted on the upper side of the annular groove. A spring is provided between the annular groove and the movable clamp head. The middle part of the movable clamp head is rotatably connected to the annular groove via a pin. A pull cable is provided inside the retrieval tube, one end of which extends into the housing, and the other end of which is fixedly connected to the lower end of the movable clamp head. A locking mechanism is provided inside the housing to lock the pull cable. A strip-shaped hole is provided at the bottom of the housing, and a pulling mechanism for pulling the pull cable is provided inside the strip-shaped hole.
[0007] Furthermore, the locking mechanism includes a slider and a locking block. The slider is slidably disposed within the housing and is fixedly connected to the cable. The locking block is disposed within the through hole and extends to the outside of the through hole on both the upper and lower sides. A rotating plate is fixedly disposed at the upper end of the locking block. The middle part of the rotating plate is hinged to the housing. A tension spring is fixedly disposed between the rotating plate and the housing. An inclined surface is provided at the lower end of the locking block. A plurality of locking grooves that cooperate with the locking block are evenly provided on the top of the slider.
[0008] Furthermore, the pulling mechanism includes a movable handle and a fixed handle. The middle part of the movable handle is rotatably disposed in a strip-shaped hole via a rotating shaft. The upper end of the movable handle is fixedly connected to the pull cable. The fixed handle is fixedly provided on the other side of the bottom of the housing.
[0009] Furthermore, both the movable handle and the movable handle are equipped with a limiting ring.
[0010] Furthermore, the spring is always in a compressed state.
[0011] Furthermore, the inclined surface of the locking block faces the side of the fixing clamp head.
[0012] Furthermore, both the fixed and movable jaws have serrations on opposite sides.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] This airway foreign body removal device comprises a retrieval tube, a rotating plate, a housing, a movable handle, limiting rings, a fixed handle, a slider, a pull cable, a spring, a movable clamp head, a fixed clamp head, a tension spring, and a locking block. First, insert your thumb and forefinger into the two limiting rings and rotate the movable handle. The upper end of the movable handle pulls the pull cable, causing the movable and fixed clamp heads to clamp together. Insert the retrieval tube into the airway. When the clamp head contacts the foreign body, open the movable clamp head. Move the movable and fixed clamp heads to either side of the foreign body, then rotate the movable handle again. The movable handle, via the pull cable, rotates the movable clamp head, causing the slider to move. The locking slots, through an inclined plane, continuously push the locking block upwards. The locking block engages with multiple locking slots in sequence. When the movable clamp head clamps the foreign body, the locking block and the corresponding locking slot cooperate, allowing the slider to lock the pull cable. At this point, simply hold the fixed handle to remove the retrieval tube. There is no need to maintain clamping force while removing the foreign body, making it easy to use, highly reliable, and increasing the success rate. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of a foreign body removal device for the respiratory tract.
[0016] Figure 2 This is a schematic diagram of the internal structure of a foreign body removal device for the respiratory tract.
[0017] Figure 3 for Figure 2 An enlarged schematic diagram of part A in the middle.
[0018] Figure 4 for Figure 2 An enlarged schematic diagram of part B in the middle section.
[0019] In the diagram: 1. Retrieval tube; 2. Rotating plate; 3. Housing; 4. Movable handle; 5. Limiting ring; 6. Fixed handle; 7. Slider; 8. Cable; 9. Spring; 10. Movable pliers head; 11. Fixed pliers head; 12. Tension spring; 13. Locking block. Detailed Implementation
[0020] 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.
[0021] Please see Figures 1 to 4 This utility model provides a technical solution:
[0022] A foreign body removal device for the respiratory tract includes a retrieval tube 1, with a housing 3 fixedly attached to one end of the retrieval tube 1. An annular groove is provided along the inner edge of the opening at the other end of the retrieval tube 1. A fixed clamp head 11 is fixedly attached to the lower side of the annular groove, and a movable clamp head 10 is provided to the upper side of the annular groove. A spring 9 is provided between the annular groove and the movable clamp head 10. The spring 9 is always in a compressed state and always provides an outward opening force for the movable clamp head 10. The middle part of the movable clamp head 10 is rotatably connected to the annular groove via a pin. A pull cable 8 is provided inside the retrieval tube 1. One end of the pull cable 8 extends into the housing 3, and the other end of the pull cable is fixedly connected to the lower end of the movable clamp head 10. A locking mechanism is provided inside the housing 3 to lock the pull cable 8. A strip-shaped hole is provided at the bottom of the housing 3, and a pulling mechanism for pulling the pull cable 8 is provided inside the strip-shaped hole. Serrations are provided on opposite sides of the fixed clamp head 11 and the movable clamp head 10. The serrations improve the stability and anti-slip properties of the clamp head when gripping foreign bodies.
[0023] The locking mechanism includes a slider 7 and a locking block 13. The slider 7 is slidably disposed inside the housing 3 and is fixedly connected to the cable 8. The locking block 13 is disposed inside the through hole and extends to the outside of the through hole on both the upper and lower sides. A rotating plate 2 is fixedly disposed on the upper end of the locking block 13. The middle part of the rotating plate 2 is hinged to the housing 3. A tension spring 12 is fixed between the rotating plate 2 and the housing 3. A slope is provided at the lower end of the locking block 13. The slope of the locking block 13 faces the fixing clamp head 11. Multiple locking grooves that cooperate with the locking block 13 are evenly provided on the top of the slider 7.
[0024] The pulling mechanism includes a movable handle 4 and a fixed handle 6. The middle part of the movable handle 4 is rotatably set in the strip hole through a rotating shaft. The upper end of the movable handle 4 is fixedly connected to the pull cable 8. The fixed handle 6 is fixedly provided on the other side of the bottom of the housing 3. Both the movable handle 4 and the fixed handle 6 are provided with a limiting ring 5. The fingers of medical personnel can be inserted into the limiting ring 5 to prevent the foreign body forceps from falling due to improper grip during foreign body removal operations.
[0025] In use, first insert your thumb and forefinger into the two limiting rings 5, then rotate the movable handle 4. The upper end of the movable handle 4 pulls the cable 8, causing the movable clamp head 10 and the fixed clamp head 11 to clamp together. At this time, insert the retrieval tube 1 into the airway. When the clamp head contacts the foreign object, open the movable clamp head 10. Move the movable clamp head 10 and the fixed clamp head 11 to both sides of the foreign object, then rotate the movable handle 4 again. The movable handle 4 drives the movable clamp head 10 to rotate through the cable 8. The cable 8 drives the slider 7 to move. The locking groove pushes the locking block 13 upward through the inclined plane. The locking block 13 engages with multiple locking grooves in sequence. When the movable clamp head 10 clamps the foreign object, the locking block 13 and the corresponding locking groove cooperate, and the cable 8 can be locked by the slider 7. At this time, you only need to hold the fixed handle 6 to take out the retrieval tube 1. There is no need to control the clamping force when removing the foreign object, which is convenient to use, highly reliable, and improves the success rate.
[0026] 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, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A foreign body removal device for the respiratory tract, comprising a retrieval tube (1), characterized in that: One end of the retrieval tube (1) is fixedly provided with a housing (3), and the other end of the retrieval tube (1) is provided with an annular groove along the inner edge of the opening. A fixed clamp head (11) is fixedly provided on the lower side of the annular groove, and a movable clamp head (10) is provided on the upper side of the annular groove. A spring (9) is provided between the annular groove and the movable clamp head (10). The middle part of the movable clamp head (10) is rotatably connected to the annular groove through a pin. A pull cable (8) is provided inside the retrieval tube (1). One end of the pull cable (8) extends into the housing (3), and the other end of the pull cable is fixedly connected to the lower end of the movable clamp head (10). A locking mechanism that can lock the pull cable (8) is provided inside the housing (3). A strip hole is provided at the bottom of the housing (3), and a pulling mechanism that can pull the pull cable (8) is provided inside the strip hole.
2. The airway foreign body removal device according to claim 1, characterized in that: The locking mechanism includes a slider (7) and a locking block (13). The slider (7) is slidably disposed inside the housing (3) and is fixedly connected to the cable (8). The locking block (13) is disposed inside the through hole and extends to the outside of the through hole on both the upper and lower sides. A rotating plate (2) is fixedly disposed at the upper end of the locking block (13). The middle part of the rotating plate (2) is hinged to the housing (3). A tension spring (12) is fixedly disposed between the rotating plate (2) and the housing (3). An inclined surface is provided at the lower end of the locking block (13). A plurality of locking grooves that cooperate with the locking block (13) are evenly provided on the top of the slider (7).
3. The airway foreign body removal device according to claim 1, characterized in that: The pulling mechanism includes a movable handle (4) and a fixed handle (6). The middle part of the movable handle (4) is rotatably set in the strip hole through a rotating shaft. The upper end of the movable handle (4) is fixedly connected to the cable (8). The fixed handle (6) is fixedly provided on the other side of the bottom of the housing (3).
4. A foreign body removal device for the respiratory tract according to claim 3, characterized in that: Both the movable handle (4) and the movable handle (4) are provided with a limiting ring (5).
5. A foreign body removal device for the respiratory tract according to claim 1, characterized in that: The spring (9) is always in a compressed state.
6. A foreign body removal device for the respiratory tract according to claim 2, characterized in that: The inclined surface of the locking block (13) faces the side of the fixing clamp head (11).
7. A foreign body removal device for the respiratory tract according to claim 1, characterized in that: Both the fixed pliers (11) and the movable pliers (10) have serrations on opposite sides.