Simple inflatable calculus removal balloon

Abstract

The utility model relates to the technical field of medical instruments, and provides a simple inflatable calculus removal balloon which comprises an inflatable air bag, a first extrusion block is fixedly connected to the outer surface of the inflatable air bag, a second extrusion block is fixedly connected to the outer surface of the inflatable air bag, and a third spring is fixedly connected to the outer surface of the side, opposite to the first extrusion block, of the second extrusion block. During use, when the second extrusion block and the first extrusion block are loosened, the inflatable air bag bulges, meanwhile, air enters the inflatable air bag from the first air outlet hole, and the first air plug abuts against the interior of the connecting pipe under limiting of the first spring so that air in the thin pipe can be prevented from flowing back; meanwhile, air enters the second air outlet through the first air outlet so as to enter the inflatable air bag, the inflatable air bag returns to the state before extrusion, medical staff extrude the calculus removing balloon body in a reciprocating mode so that the calculus removing balloon body can be inflated, and the calculus removing balloon body swells slowly so that a patient can feel more comfortable during treatment.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a simple inflatable stone extraction balloon. Background Technique

[0002] The stone extraction balloon is a commonly used medical device for ERCP (endoscopic retrograde cholangiopancreatography) operations such as biliary tract stone extraction, and is mainly used for the extraction of silt-like stones.

[0003] The existing publicly disclosed patent number is: CN204734518U, a stone extraction balloon, including an interface, a sheath tube and a balloon body. One end of the sheath tube is connected to the interface, and the other end is sleeved and fixed with the balloon body. The sheath tube is provided with an orifice at the position where the balloon body is sleeved; the balloon body is radially telescopic, and the balloon body is flat with a radial dimension larger than the axial dimension after inflation. The stone extraction balloon of this utility model is in use.

[0004] The above solution can reduce the frictional resistance, and at the same time it is easier to extract silt-like stones, thereby shortening the operation time and reducing the pain of patients; in addition, by setting a filling and recovery mechanism, the recovery speed of the balloon body during contraction and recovery can be adjusted, solving the problem that the recovery speed of the balloon body is too fast after inflation. When inflating the airbag, the traditional inflation causes the airbag to bulge relatively fast, which will cause discomfort to the patient's body during the treatment inside the patient's body. Content of the Utility Model

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a simple inflatable stone extraction balloon, including: an inflatable airbag, a first extrusion block is fixedly connected to the outer surface of the inflatable airbag, a second extrusion block is fixedly connected to the outer surface of the inflatable airbag, a third spring is fixedly connected to the outer surface of the second extrusion block on the side opposite to the first extrusion block, a first thick tube is fixedly connected to the outer surface of the inflatable airbag, a thin tube is fixedly connected to the outer surface of the first thick tube, a connecting tube is fixedly connected to the end of the thin tube away from the inflatable airbag, a telescopic hose is fixedly connected to the outer surface of the connecting tube, and a stone extraction balloon body is fixedly connected to the end of the telescopic hose away from the connecting tube.

[0006] The technical effect of adopting the above further scheme is: when the stone extraction balloon body is inserted into the patient's body, the stone extraction balloon body expands and slides on the surface of the biliary tract wall, and the substances to be cleaned on the biliary tract wall can be removed.

[0007] As a preferred implementation manner, a large round hole is opened on the outer surface of the inflatable airbag, and the large round hole is located inside the first thick tube.

[0008] The technical effect of adopting the above further solution is that the inflatable airbag is squeezed, and after being squeezed, the gas is pressed out from the large round hole. At the same time, the air blocking plug 1 moves to one side under the air pressure.

[0009] As a preferred embodiment, a round block is fixedly connected to the bottom of the inner wall of the first thick tube, and a first spring is fixedly connected to the outer surface of the round block.

[0010] The technical effect of adopting the above further solution is that under the limitation of the first spring, the air blocking plug 1 abuts against the inside of the connecting tube.

[0011] As a preferred embodiment, one end of the first spring is fixedly connected to the air blocking plug 1, and the air blocking plug 1 is located on the outer surface of the large round hole.

[0012] The technical effect of adopting the above further solution is to prevent the gas inside the thin tube from flowing back.

[0013] As a preferred embodiment, a second thick tube is fixedly connected to the outer surface of the inflatable airbag, and a second air outlet hole is provided on the outer surface of the inflatable airbag.

[0014] The technical effect of adopting the above further solution is that the gas is pressed out from the inside of the second air outlet hole. After being pressed out, the air blocking plug 2 abuts against the outer surface of the first air outlet hole, and the gas will not come out from the first air outlet hole.

[0015] As a preferred embodiment, the second air outlet hole is located inside the second thick tube, and a first air outlet hole is provided on the outer surface of the second thick tube.

[0016] The technical effect of adopting the above further solution is that the first air outlet hole is used for external gas to enter the inside of the inflatable airbag.

[0017] As a preferred embodiment, a second spring is fixedly connected to the outer surface of the inflatable airbag near the second air outlet hole. One end of the second spring is fixedly connected to the air blocking plug 2, and the air blocking plug 2 is located directly below the first air outlet hole.

[0018] The technical effect of adopting the above further solution is that when the inflatable airbag is squeezed, the air blocking plug 2 abuts against the outer surface of the air blocking plug 2 to prevent the gas inside the inflatable airbag from entering the outdoor through the first air outlet hole.

[0019] Compared with the prior art, the advantages and positive effects of the present utility model are as follows

[0020] 1. When the present utility model is in use, when the second extrusion block and the first extrusion block are released, the inflatable airbag bulges. At the same time, gas enters the inside of the inflatable airbag from the first air outlet hole. Under the limit of the first spring, the first air blocking plug abuts against the inside of the connecting pipe to prevent the gas inside the thin pipe from flowing back. At the same time, the gas enters the inside of the second air outlet hole through the first air outlet hole and then enters the inside of the inflatable airbag. The inflatable airbag returns to the state before extrusion. The medical staff can reciprocally extrude to inflate the stone extraction balloon body, and the stone extraction balloon body slowly expands, making the patient more comfortable during treatment.

[0021] 2. When the present utility model is in use, the medical staff presses the second extrusion block and the first extrusion block. At this time, the third spring retracts towards the middle, and at the same time, the inflatable airbag is extruded. After being extruded, the gas is pressed out from the large round hole. At the same time, the first air blocking plug moves to one side under the air pressure. After moving, the air cylinder enters the inside of the thin pipe and then reaches the connecting pipe and the telescopic hose and enters the inside of the stone extraction balloon body. At the same time, the gas is pressed out from the inside of the second air outlet hole. After being pressed out, the second air blocking plug abuts against the outer surface of the first air outlet hole, and the gas will not come out from the first air outlet hole. When the stone extraction balloon body is inserted into the patient's body, the stone extraction balloon body expands and slides on the surface of the biliary tract wall, and the substances that need to be cleaned on the biliary tract wall can be removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic structural diagram of a simple inflatable stone extraction balloon proposed by the present utility model;

[0023] Figure 2 is a schematic structural diagram of a simple inflatable stone extraction balloon proposed by the present utility model;

[0024] Figure 3 is a schematic structural diagram of a simple inflatable stone extraction balloon proposed by the present utility model;

[0025] Figure 4 is a schematic structural diagram of a simple inflatable stone extraction balloon proposed by the present utility model.

[0026] Legend: 101, inflatable airbag; 102, first thick pipe; 103, first air blocking plug; 104, first spring; 105, round block; 106, large round hole; 107, second thick pipe; 108, second spring; 109, second air blocking plug; 110, first air outlet hole; 111, second air outlet hole; 112, first extrusion block; 113, third spring; 114, second extrusion block; 115, thin pipe; 116, connecting pipe; 117, telescopic hose; 118, stone extraction balloon body. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] To better understand the above objects, features, and advantages of the present utility model, the following further describes the present utility model in conjunction with the accompanying drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

[0028] In the following description, many specific details are set forth to facilitate a thorough understanding of the present utility model. However, the present utility model may be implemented in other ways different from those described herein. Therefore, the present utility model is not limited by the specific embodiments disclosed in the following specification.

[0029] Please refer to Figures 1-4 , the present utility model provides a simple inflatable stone extraction balloon, including: an inflatable balloon 101, a first extrusion block 112 is fixedly connected to the outer surface of the inflatable balloon 101, a second extrusion block 114 is fixedly connected to the outer surface of the inflatable balloon 101, a third spring 113 is fixedly connected to the outer surface of the second extrusion block 114 on the side opposite to the first extrusion block 112, a first thick tube 102 is fixedly connected to the outer surface of the inflatable balloon 101, a thin tube 115 is fixedly connected to the outer surface of the first thick tube 102, a connecting tube 116 is fixedly connected to the end of the thin tube 115 away from the inflatable balloon 101, a telescopic hose 117 is fixedly connected to the outer surface of the connecting tube 116, and a stone extraction balloon body 118 is fixedly connected to the end of the telescopic hose 117 away from the connecting tube 116. When the stone extraction balloon body 118 is inserted into the patient's body, the stone extraction balloon body 118 expands and slides on the surface of the biliary tract wall, and the substances to be cleaned on the biliary tract wall can be removed.

[0030] As Figures 1-4 shown, a large round hole 106 is opened on the outer surface of the inflatable balloon 101, the large round hole 106 is located inside the first thick tube 102, the inflatable balloon 101 is squeezed, and after being squeezed, the gas is pressed out from the large round hole 106, and at the same time, the first air blocking plug 103 moves to one side under the air pressure.

[0031] As Figures 1-4 shown, a round block 105 is fixedly connected to the bottom inner wall of the first thick tube 102, a first spring 104 is fixedly connected to the outer surface of the round block 105, and under the limitation of the first spring 104, the first air blocking plug 103 abuts against the inside of the connecting tube 116.

[0032] As Figures 1-4 shown, one end of the first spring 104 is fixedly connected to the first air blocking plug 103, and the first air blocking plug 103 is located on the outer surface of the large round hole 106 to prevent the gas inside the thin tube 115 from flowing back.

[0033] As Figures 1-4As shown, a thick tube two 107 is fixedly connected to the outer surface of the inflatable airbag 101. An air outlet two 111 is provided on the outer surface of the inflatable airbag 101. Gas is pressed out from the inside of the air outlet two 111. After being pressed out, the air plug two 109 abuts against the outer surface of the air outlet one 110, and gas will not come out from the air outlet one 110.

[0034] As Figures 1-4 shown, the air outlet two 111 is located inside the thick tube two 107. An air outlet one 110 is provided on the outer surface of the thick tube two 107. The air outlet one 110 is used for external gas to enter the inside of the inflatable airbag 101.

[0035] As Figures 1-4 shown, a spring two 108 is fixedly connected to the outer surface of the inflatable airbag 101 near the air outlet two 111. One end of the spring two 108 is fixedly connected to an air plug two 109. The air plug two 109 is located directly below the air outlet one 110. When the inflatable airbag 101 is squeezed, the air plug two 109 abuts against the outer surface of the air plug two 109 to prevent the gas inside the inflatable airbag 101 from entering the outside through the air outlet one 110.

[0036] Working principle: When in use, medical staff press the extrusion block two 114 and the extrusion block one 112. At this time, the spring three 113 retracts towards the middle, and at the same time the inflatable airbag 101 is squeezed. After being squeezed, the gas is pressed out from the large round hole 106. At the same time, the air plug one 103 moves to one side under the air pressure. After moving, the air cylinder enters the inside of the thin tube 115 and then reaches the connecting tube 116 and the telescopic hose 117 and enters the inside of the stone extraction balloon body 118. At the same time, the gas is pressed out from the inside of the air outlet two 111. After being pressed out, the air plug two 109 abuts against the outer surface of the air outlet one 110, and gas will not come out from the air outlet one 110. When the stone extraction balloon body 118 is inserted into the patient's body, the stone extraction balloon body 118 expands and slides on the surface of the biliary tract wall, and the substances that need to be cleaned on the biliary tract wall can be removed. At the same time, when the extrusion block two 114 and the extrusion block one 112 are released, the inflatable airbag 101 bulges. At the same time, gas enters the inside of the inflatable airbag 101 from the air outlet one 110. Under the limit of the spring one 104, the air plug one 103 abuts against the inside of the connecting tube 116 to prevent the gas inside the thin tube 115 from flowing back. At the same time, the gas enters the inside of the air outlet two 111 through the air outlet one 110 and then enters the inside of the inflatable airbag 101. The inflatable airbag 101 returns to the state before extrusion. Medical staff can inflate the stone extraction balloon body 118 by reciprocally squeezing. The slow expansion of the stone extraction balloon body 118 makes the patient more comfortable during treatment.

[0037] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model in other forms. Any person skilled in the relevant art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the content of the technical solution of the present utility model still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A simple inflatable stone removal balloon, characterized in that: include: An inflatable airbag (101), wherein the outer surface of the inflatable airbag (101) is fixedly connected to an extrusion block 1 (112), the outer surface of the inflatable airbag (101) is fixedly connected to an extrusion block 2 (114), the outer surface of the extrusion block 2 (114) opposite to the extrusion block 1 (112) is fixedly connected to a spring 3 (113), the outer surface of the inflatable airbag (101) is fixedly connected to a thick tube 1 (102), the outer surface of the thick tube 1 (102) is fixedly connected to a thin tube (115), the end of the thin tube (115) away from the inflatable airbag (101) is fixedly connected to a connecting tube (116), the outer surface of the connecting tube (116) is fixedly connected to a telescopic hose (117), and the end of the telescopic hose (117) away from the connecting tube (116) is fixedly connected to a stone removal balloon body (118).

2. The simple inflatable stone removal balloon according to claim 1, characterized in that: The outer surface of the inflatable airbag (101) is provided with a large circular hole (106), and the large circular hole (106) is located inside the thick tube (102).

3. The simple inflatable stone removal balloon according to claim 2, characterized in that: A round block (105) is fixedly connected to the bottom of the inner wall of the thick tube (102), and a spring (104) is fixedly connected to the outer surface of the round block (105).

4. The simple inflatable stone removal balloon according to claim 3, characterized in that: One end of the spring 1 (104) is fixedly connected to an air blocking plug 1 (103), and the air blocking plug 1 (103) is located on the outer surface of the large circular hole (106).

5. The simple inflatable stone removal balloon according to claim 4, characterized in that: A second thick tube (107) is fixedly connected to the outer surface of the inflatable airbag (101), and a second air outlet hole (111) is opened on the outer surface of the inflatable airbag (101).

6. The simple inflatable stone removal balloon according to claim 5, characterized in that: The second air outlet hole (111) is located inside the second thick tube (107), and the outer surface of the second thick tube (107) is provided with the first air outlet hole (110).

7. The simple inflatable stone removal balloon according to claim 6, characterized in that: A second spring (108) is fixedly connected to the outer surface of the inflatable airbag (101) near the second air outlet hole (111), and one end of the second spring (108) is fixedly connected to a second air blocking plug (109), and the second air blocking plug (109) is located directly below the first air outlet hole (110).

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