A detachable endoscopic esophageal foreign body forceps auxiliary device

By designing a detachable endoscopic esophageal foreign body clamping auxiliary device and using an expansion flap to open the esophagus, the problem of date-pit-shaped foreign bodies being difficult to safely clamp in the existing technology is solved, achieving the effect of reducing esophageal damage and improving clamping efficiency.

CN112842492BActive Publication Date: 2025-09-30WEST CHINA HOSPITAL SICHUAN UNIV
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Patent Information

Application Number
CN202110322531.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-03-25
Publication Date
2025-09-30
Estimated Expiration
2041-03-25

AI Technical Summary

Technical Problem

Existing digestive endoscopes are difficult to safely and effectively remove date-pit-shaped foreign bodies, which may cause esophageal damage and pharyngeal abrasions.

Method used

A detachable endoscopic esophageal foreign body forceps auxiliary device was designed, which includes an expansion flap, an expansion flap delivery device, a mantle tightening bolt and other components. The esophagus is expanded by the expansion flap and used in conjunction with a digestive endoscope to reduce the damage of foreign bodies to the esophageal wall.

Benefits of technology

It effectively reduces the damage of jujube-shaped foreign bodies to the esophageal wall, reduces the friction damage between the instrument and the esophageal wall, and improves the safety and effectiveness of foreign body removal.

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Abstract

The present invention discloses a detachable endoscopic esophageal foreign body clamping auxiliary device, including a clamping auxiliary device, the clamping auxiliary device includes an expansion flap, an expansion flap delivery device, a mantle compression bolt, a mantle compression gasket, an expansion flap connecting rod, a connecting guide wire, an upper fixator and a lower fixator, the upper fixator and the lower fixator are both ring-shaped and coaxial, the expansion flap delivery device is tubular, there are at least three expansion flap connecting rods, one end of the expansion flap connecting rod is fixedly connected to the expansion flap delivery device, the other end of the expansion flap connecting rod passes through the lower fixator and is fixedly connected to the expansion flap, and the expansion flap and the expansion flap connecting rod correspond one to one. The present invention is sturdy, durable, and practical. It can reduce the damage of jujube-shaped foreign bodies to the esophageal wall when used in conjunction with a digestive endoscope, and assist medical staff in performing safe and effective esophageal foreign body clamping operations.
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Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a detachable endoscopic esophageal foreign body forceps auxiliary device. Background Art

[0002] A digestive endoscope is a medical interventional device commonly used in emergency treatment of digestive tract foreign bodies and is widely used clinically. After the endoscope is inserted into the digestive tract, the foreign body is removed using forceps or other methods. However, existing techniques for removing date-pit-shaped foreign bodies still present challenges, such as difficulty in forceps, deep entrapment, and further damage to the esophagus.

[0003] Currently, a flexible digestive endoscope, supplemented with an overtube, such as a transparent cap, is commonly used clinically to remove date-pit-shaped foreign bodies by opening the esophagus. However, due to the large inner diameter and sharp edges of the transparent cap, it can scratch blood vessels or dislodge thrombi, potentially causing minor abrasions to the throat mucosa. While a larger cap facilitates foreign body removal, it also increases the risk of pharyngeal injury. Summary of the Invention

[0004] The present invention aims to provide an esophageal foreign body clamping auxiliary device that cooperates with a digestive endoscope and can solve the problem that a jujube-shaped foreign body is difficult to be clamped safely and effectively by an existing digestive endoscope when the foreign body is lodged in the esophagus.

[0005] To achieve the above object, the present invention is implemented by adopting the following technical solutions:

[0006] A detachable endoscopic esophageal foreign body forceps auxiliary device comprises a forceps auxiliary device, the forceps auxiliary device comprising an expansion flap, an expansion flap delivery device, a mantle pressing bolt, a mantle pressing gasket, an expansion flap connecting rod, a connecting guide wire, an upper fixator and a lower fixator, the upper fixator and the lower fixator are both in the shape of a finger ring and are coaxial, the expansion flap delivery device is in the shape of a circular tube, the expansion flap connecting rods have at least three expansion flap connecting rods and one end of the expansion flap connecting rod is fixedly connected to the expansion flap delivery device, the other end of the expansion flap connecting rod passes through the lower fixator and is fixedly connected to the expansion flap, and the expansion flap and the expansion flap connecting rod correspond one to one, the expansion flap connecting rod is S-shaped, the expansion flap delivery device moves in cooperation between the upper fixator and the lower fixator along the axial direction thereof, the connecting guide wire enters the biopsy forceps channel from the inlet end of the biopsy forceps channel of the digestive endoscope and extends from the handheld end of the biopsy forceps channel, the mantle pressing bolt presses the mantle and the mantle pressing gasket along the axial direction of the forceps auxiliary device;

[0007] It also includes an adapter, which is an adjustable bolt set on the upper fixture. The circumference of the upper fixture is adjusted by adjusting the tightness of the adjustable bolt. The upper fixture and the digestive endoscope body are connected through the adapter.

[0008] Preferably, an assembler is also included, which includes a positioning plate, a positioning block and a positioning bolt. The positioning block is slidably connected to the positioning plate and slides along the positioning plate. The positioning plate and the positioning block are both provided with positioning through holes and the positioning through holes of the two are positioned opposite each other. The positioning bolt is adapted to the positioning through hole. There are two positioning blocks and both are provided with clamping arms.

[0009] Furthermore, there are four positioning through holes on the positioning plate and the positioning plate is in the shape of a strip plate.

[0010] Furthermore, the positioning block is in a square shape.

[0011] Preferably, there are four expansion flap connecting rods and four expansion flaps.

[0012] Preferably, the expansion valve connecting rod is made of alloy spring steel.

[0013] Preferably, the outer surface of the expansion flap is in the shape of an arc curve.

[0014] The present invention has the following beneficial effects:

[0015] 1. The esophagus is expanded by the expansion flap, which reduces the damage caused by the jujube-shaped foreign body to the esophageal wall. The arc-shaped outer surface of the expansion flap also reduces the damage caused by the instrument to the esophageal wall.

[0016] 2. It can be used in conjunction with a digestive endoscope, with the front end of the digestive endoscope placed as close to the foreign body as possible to reduce the distance between the instrument and the esophageal wall, thereby reducing damage to the esophageal wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional view of the forceps assisting device during flap closure.

[0018] Figure 2 A three-dimensional view of the forceps assist device during flap expansion;

[0019] Figure 3 A three-dimensional diagram of the clamping auxiliary device when installing the assembler;

[0020] Figure 4 This is a stereogram of the assembler.

[0021] In the figure: 1-digestive endoscope, 2-adapter, 3-expansion flap delivery device, 4-lower fixator, 5-expansion flap, 7-mantle clamping bolt, 8-mantle clamping gasket, 9-expansion flap connecting rod 10-connecting guide wire, 11-upper fixator, 12-positioning plate, 13-positioning block, 14-positioning bolt, 15-clamp arm. DETAILED DESCRIPTION

[0022] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.

[0023] like Figure 1-4 A detachable endoscopic esophageal foreign body clamping auxiliary device includes a clamping auxiliary device, the clamping auxiliary device includes an expansion flap 5, an expansion flap delivery device 3, a mantle pressing bolt 7, a mantle pressing gasket 8, an expansion flap connecting rod 9, a connecting guide wire 10, an upper fixer 11 and a lower fixer 4, the upper fixer 11 and the lower fixer 4 are both in the shape of a finger ring and are coaxial, the expansion flap delivery device 3 is in the shape of a circular tube, the expansion flap connecting rod 9 has at least 3 pieces and one end of the expansion flap connecting rod 9 is fixedly connected to the expansion flap delivery device 3, the expansion flap connecting rod 9 The other end passes through the lower fixator 4 and is fixedly connected to the expansion flap 5, and the expansion flap 5 corresponds to the expansion flap connecting rod 9 one by one. The expansion flap connecting rod 9 is S-shaped, and the expansion flap delivery device 3 moves along the axial direction between the upper fixator 11 and the lower fixator 4. The connecting guide wire 10 enters the biopsy forceps channel from the entrance end of the biopsy forceps channel of the digestive endoscope 1 and extends from the handheld end of the biopsy forceps channel. The mantle clamping bolt 7 compresses the mantle and the mantle clamping gasket 8 along the axial direction of the clamping auxiliary device, so that the entrance end of the mantle is fixed and not easily displaced.

[0024] The present invention also includes an adapter 2, which is an adjustable bolt arranged on the upper fixer 11. The circumference of the upper fixer 11 is adjusted by adjusting the tightness of the adjustable bolt. The upper fixer 11 and the body of the digestive endoscope 1 are connected through the adapter 2, so that the upper fixer 11 is not easy to slide. At the same time, loosening the adapter 2 can make the upper fixer 11 more convenient to install.

[0025] The present invention also includes an assembler, which includes a positioning plate 12, a positioning block 13 and a positioning bolt 14. The positioning block 13 is slidably connected to the positioning plate 12 and slides along the positioning plate 12. The positioning plate 12 and the positioning block 13 are both provided with positioning through holes and the positioning through holes of the two are positioned opposite each other. The positioning bolt 14 is adapted to the positioning through hole. The positioning block 13 has two and each is provided with a clamping arm 15.

[0026] During use, the clamping arm 15 close to the upper fixator 11 is in close contact with the upper fixator 11 before use, and the clamping arm 15 close to the lower fixator 4 is in close contact with the lower fixator 4 before use. After the distance between the upper fixator 11 and the lower fixator 4 is determined by the height of the subject, that is, the maximum expansion range of the expansion flap 5 in the subject's body, and the fixing range of the fixing device of the installation positioning device is adjusted, the two clamping arms 15 can be disconnected from the upper fixator 11 and the lower fixator 4.

[0027] At the same time, the positioning block 13 is in a square shape, and the expansion flap connecting rod 9 is made of alloy spring steel.

[0028] like Figure 2 In the specific implementation process, there are four positioning holes on the positioning plate 12 and the positioning plate 12 is in the shape of a strip plate, there are four expansion flap connecting rods 9, and there are four expansion flaps 5. In order to reduce damage to the esophageal wall, the outer surface of the expansion flap 5 is in the shape of a circular arc.

[0029] Of course, the present invention may have many other embodiments. Without departing from the spirit and essence of the present invention, those skilled in the art may make various corresponding changes and modifications based on the present invention, but these corresponding changes and modifications should all fall within the scope of protection of the claims attached to the present invention.

Claims

1. A detachable endoscopic esophageal foreign body removal auxiliary device, characterized by: The invention also provides a plurality of expansion valves, wherein the expansion valves are connected to the expansion valves of the embodiment of the present invention, and the expansion valves are connected to the expansion valves of the embodiment of the present invention. The apparatus further comprises an adapter, which is an adjustable bolt provided on the upper fixture. The circumference of the upper fixture is adjusted by adjusting the tightness of the adjustable bolt. The upper fixture and the digestive endoscope body are connected together through the adapter. It also includes an assembler, which includes a positioning plate, a positioning block and a positioning bolt. The positioning block is slidably connected to the positioning plate and slides along the positioning plate. The positioning plate and the positioning block are both provided with positioning through holes and the positioning through holes of the two are positioned opposite each other. The positioning bolt is adapted to the positioning through hole. There are two positioning blocks and both are provided with clamping arms; the positioning block is square-shaped.

2. The detachable endoscopic esophageal foreign body forceps auxiliary device according to claim 1, characterized in that: There are 4 positioning through holes on the positioning plate and the positioning plate is in a strip-shaped plate shape.

3. The detachable endoscopic esophageal foreign body removal auxiliary device according to claim 1, characterized in that: There are four expansion flap connecting rods and four expansion flaps.

4. The detachable endoscopic esophageal foreign body removal auxiliary device according to claim 1, characterized in that: The expansion valve connecting rod is made of alloy spring steel.