CN219042756U

CN219042756U - Coagulation block extraction instrument

Info

Publication number: CN219042756U
Application number: CN202222040520.8U
Authority: CN
Inventors: 潘飞; 孟科; 闫斌; 王子恺; 彭丽华; 孙刚; 张晓梅
Original assignee: First Medical Center of PLA General Hospital
Current assignee: First Medical Center of PLA General Hospital
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-05-19
Anticipated expiration: 2032-08-04

Abstract

The utility model relates to a coagulation block taking-out device, which belongs to the technical field of medical devices and comprises a coagulation block taking-out device and an integrated air pump, wherein the coagulation block taking-out device is composed of a driving handle, a miniature umbrella-shaped air bag, an air passage channel, a flexible pull rod and an outer sheath pipe, the driving handle is connected with the miniature umbrella-shaped air bag through the flexible pull rod, the outer sheath pipe covers the flexible pull rod, the air passage channel enters from the driving handle and sequentially passes through the driving handle and the flexible pull rod to be inserted into the miniature umbrella-shaped air bag, a pneumatic button is arranged on the driving handle and controls the on-off of the air passage channel, the coagulation block taking-out device can pneumatically adjust the opening size of the umbrella-shaped air bag, adapt to coagulation blocks with different shapes and sizes, and is made of soft silica gel, so that secondary damage to bleeding parts is avoided, the coagulation block can be completely wrapped, the coagulation block is prevented from being broken, and the coagulation block from falling down when taken out is avoided, and the operation is convenient and simple.

Description

Coagulation block extraction instrument

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a clot retrieval instrument.

Background

In the clinical diagnosis and treatment process of gastroenterology, a patient with coagulum in the common digestive tract such as esophagus, stomach and colorectal has a shallow coagulum position, and can be taken out by a doctor through instruments such as forceps, however, when the coagulum position is deep, for example, the coagulum position is in the colorectal or stomach, the existing instruments are often difficult to take out. However, the traditional open operation mode is used for taking out the blood clots, so that the damage to the body of a patient is too large, and the blood clots can be taken out or pushed through a gastrointestinal scope by designing a blood clot taking-out device.

Disclosure of Invention

1. Technical problem to be solved by the utility model

The present utility model aims to solve the above-described drawbacks of the prior art devices which are often difficult to remove when the clot is positioned deep, such as occurs in the colorectal or stomach.

2. Technical proposal

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model relates to a coagulation block extraction instrument, which comprises a coagulation block extractor and an integrated air pump, wherein the coagulation block extractor consists of a driving handle, a miniature umbrella-shaped air bag, an air channel, a flexible pull rod and an outer sheath tube, the driving handle is connected with the miniature umbrella-shaped air bag through the flexible pull rod, the flexible pull rod is covered by the outer sheath tube, the air channel enters from the driving handle, sequentially passes through the driving handle and the flexible pull rod and is inserted into the miniature umbrella-shaped air bag, a pneumatic button is arranged on the driving handle, and the pneumatic button controls the on-off of the air channel.

Preferably, the flexible tie rod is made of a hollow shape memory alloy and is resilient.

Preferably, the structure of the outer sheath tube is in the form of a single-layer tightly wound spring tube, and the outer part of the outer sheath tube is wrapped with a plastic coat.

Preferably, the miniature umbrella-shaped air bag comprises a tip structure and a valve structure, wherein a plurality of valve structures surround the tip structure to form an umbrella-shaped structure, and the material is soft silica gel or rubber.

Preferably, the middle part of the driving handle is provided with a clamping structure, and the tail end of the driving handle is provided with a pull ring.

Preferably, the clamping structure is formed by clamping two cone-shaped middle rods, and the cross section of each middle rod is water drop-shaped.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) The blood coagulation block taking-out instrument disclosed by the utility model can pneumatically adjust the opening size of the umbrella-shaped air bag, adapt to blood coagulation blocks with different shapes and sizes, is made of soft silica gel, avoids secondary damage to bleeding parts, can completely wrap the blood coagulation blocks, avoids damage to the blood coagulation blocks, avoids dropping of the blood coagulation blocks during taking out, and is convenient and simple to operate.

Drawings

FIG. 1 is a schematic view of a gastroscopic instrument channel according to the present utility model;

FIG. 2 is a schematic view of the block retrieving apparatus of the present utility model;

FIG. 3 is a schematic view of the structure of a driving handle of a gastroscopic instrument channel according to the present utility model;

FIG. 4 is a schematic illustration of the natural contractions of a miniature umbrella balloon of the present utility model passing through a gastroscopic instrument channel;

FIG. 5 is a schematic illustration of the vent deployment state of a miniature umbrella balloon of the present utility model via a gastroscopic instrument channel;

FIG. 6 is a schematic cross-sectional view of a miniature umbrella balloon of the present utility model passing through a gastroscopic instrument channel.

Reference numerals in the schematic drawings illustrate:

100. a clot extractor; 110. a drive handle; 111. a pneumatic button; 112. a clamping structure; 113. a pull ring; 120. a miniature umbrella-shaped air bag; 130. coaxial gas path channel; 140. a flexible tie rod; 150. an outer sheath;

200. an integrated air pump.

Detailed Description

In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which, however, the utility model may be embodied in many different forms and are not limited to the embodiments described herein, but are instead provided for the purpose of providing a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1-6, the apparatus for removing blood coagulation mass according to this embodiment includes a blood coagulation mass remover 100 and an integrated air pump 200, the blood coagulation mass remover 100 is composed of a driving handle 110, a mini umbrella-shaped air bag 120, an air channel 130, a flexible pull rod 140 and an outer sheath tube 150, the driving handle 110 is connected with the mini umbrella-shaped air bag 120 through the flexible pull rod 140, the outer sheath tube 150 covers the flexible pull rod 140, the air channel 130 enters from the driving handle 110, sequentially passes through the driving handle 110 and the flexible pull rod 140 and is inserted into the mini umbrella-shaped air bag 120, a pneumatic button 111 is arranged on the driving handle 110, the pneumatic button 111 controls the on-off of the air channel 130, and the structure of this design can adapt to blood coagulation masses with different sizes by pneumatically controlling the opening angle of the umbrella.

The flexible pull rod 140 of this embodiment is made of hollow shape memory alloy, and has elasticity, so that it is convenient to use.

The outer sheath 150 of this embodiment is in the form of a single layer tightly wound spring tube with a plastic garment wrapped around it, which can conform to the shape of the gastrointestinal tract.

The mini umbrella balloon 120 of this embodiment includes a cusp structure and a valve structure, and several valve structures are formed around the cusp structure to resemble an umbrella structure, which is made of soft silica gel or rubber.

The middle part of the driving handle 110 of this embodiment is provided with a clamping structure 112, and the tail end thereof is provided with a pull ring 113.

The clamping structure 112 of this embodiment is formed by two cone clamping middle rods, the cross section of the middle rods is water drop type, the design improves the stability of clamping and holding, and is not easy to slip.

In the diagnosis and treatment process of gastroenterology, when the position of a blood coagulation block is observed under a gastroenterology, and the blood coagulation block is difficult to take out by adopting a biopsy forceps to grasp or draw out, the blood coagulation block taking-out instrument designed by the utility model is inserted along an instrument channel of the gastroenterology, the miniature umbrella-shaped air bag 120 of the blood coagulation block taking-out instrument is visually controlled under the gastroenterology to directly push the blood coagulation block, or after the blood coagulation block passes over the blood coagulation block, the opening angle of the miniature umbrella-shaped air bag 120 is regulated by controlling the pneumatic button 111, the blood coagulation block is wrapped under the umbrella surface of the miniature umbrella-shaped air bag 120 after the pull ring 113 is pulled back, the pneumatic button 111 is controlled again to wrap the blood coagulation block by the miniature umbrella-shaped air bag 120, at the moment, the pull ring 113 is pulled back again, the flexible pull rod 140 is recovered along the outer sheath tube 150, then the blood coagulation block taking-out instrument is pulled back out of the gastroenterology along the instrument channel of the gastroenterology, and the blood coagulation block can be continuously taken out after the action is repeated after cleaning and disinfection.

The foregoing examples merely illustrate certain embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the utility model, all of which fall within the scope of protection of the utility model; accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The apparatus for removing blood coagulation blocks comprises a blood coagulation block remover (100) and an integrated air pump (200), and is characterized in that: the coagulation block extractor (100) is composed of a driving handle (110), a miniature umbrella-shaped air bag (120), an air passage channel (130), a flexible pull rod (140) and an outer sheath tube (150), wherein the driving handle (110) is connected with the miniature umbrella-shaped air bag (120) through the flexible pull rod (140), the outer sheath tube (150) is wrapped by the flexible pull rod (140), the air passage channel (130) enters from the driving handle (110), sequentially penetrates through the driving handle (110) and the flexible pull rod (140) to be inserted into the miniature umbrella-shaped air bag (120), a pneumatic button (111) is arranged on the driving handle (110), and the pneumatic button (111) controls the on-off of the air passage channel (130).

2. The clot retrieval device of claim 1, wherein: the flexible pull rod (140) is made of hollow shape memory alloy and has elasticity.

3. The clot retrieval device of claim 1, wherein: the outer sheath tube (150) is in a single-layer tightly wound spring tube structure, and a plastic coat is wrapped outside the outer sheath tube.

4. The clot retrieval device of claim 1, wherein: the miniature umbrella-shaped air bag (120) comprises a tip structure and a valve structure, wherein a plurality of valve structures surround the tip structure to form an umbrella-shaped structure, and the material of the umbrella-shaped structure is soft silica gel or rubber.

5. The clot retrieval device of claim 1, wherein: the middle part of the driving handle (110) is provided with a clamping structure (112), and the tail end of the driving handle is provided with a pull ring (113).

6. The clot retrieval device of claim 5, wherein: the clamping structure (112) is formed by clamping a middle rod by two cones, and the section of the middle rod is water drop type.