CN213787627U - Plugging device and therapeutic apparatus for treating esophageal varices - Google Patents
Plugging device and therapeutic apparatus for treating esophageal varices Download PDFInfo
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- CN213787627U CN213787627U CN202022641801.XU CN202022641801U CN213787627U CN 213787627 U CN213787627 U CN 213787627U CN 202022641801 U CN202022641801 U CN 202022641801U CN 213787627 U CN213787627 U CN 213787627U
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Abstract
The utility model discloses a plugging device and be used for treating esophagus varices's therapeutic instrument, it includes gasbag structure, air supply and sets up the luer one-way valve between gasbag structure and air supply. Ruhr one-way valve includes casing, thimble subassembly, ejector pad, spring. The shell is provided with a first cavity and a second cavity. The first chamber is provided with an air inlet for communicating with an air source, the second chamber is provided with an air outlet for communicating with an air bag structure, and the two chambers are communicated through an air inlet. The thimble assembly comprises a stress part and a thimble. The stress part is accommodated in the first cavity, one end of the thimble is fixed on the stress part, and the other end of the thimble enters the second cavity from the first cavity through the air inlet hole. The push block is accommodated in the second cavity and fixed on the other end of the thimble. The spring is accommodated in the second cavity and is in a pressed state, one end of the spring is positioned on the bottom wall of the second cavity, and the other end of the spring supports the push block to seal the air inlet hole. Use the utility model discloses can realize the self-closing after the gas filling and admit air.
Description
Technical Field
The utility model relates to a field is aerifyd to the shutoff gasbag ration, especially relates to a plugging device and a therapeutic instrument for treating esophageal varices.
Background
The plugging device can be used for controlling the connection between the vein and the atrium during the esophageal varices operation, can control the flow of the foam hardening agent to a certain degree, increases the operation effect and reduces the use of the hardening agent. At present, after the inflation is finished, the luer two-way valve needs to be manually closed to close the gas inlet, so that the operation difficulty is increased to a certain extent.
SUMMERY OF THE UTILITY MODEL
In order to overcome the following disadvantages: when the air supply aerifys with the inflation size of control gasbag via current luer one-way valve to the gasbag of gasbag structure, after certain gas is let in to the gasbag, need the manual air inlet that closes the gasbag that closes luer one-way valve, the utility model provides a plugging device and be used for the therapeutic instrument of treatment esophagus varicosis.
The utility model discloses a following scheme realizes: an occluder comprises an air bag structure, an air source for inflating/deflating the air bag structure, and a luer one-way valve arranged between the air bag structure and the air source;
the Ruhr one-way valve comprises a shell, a thimble assembly, a push block and a spring;
the shell is provided with a first cavity and a second cavity; the first chamber is provided with an air inlet communicated with an air source, the second chamber is provided with an air outlet communicated with the air bag structure, and the first chamber is communicated with the second chamber through an air inlet;
the thimble assembly comprises a stress part and a thimble; the stress part is accommodated in the first cavity, one end of the thimble is fixed on the stress part, and the other end of the thimble enters the second cavity from the first cavity through the air inlet hole;
the push block is accommodated in the second cavity and fixed on the other end of the thimble;
the spring is accommodated in the second cavity and is in a pressed state, one end of the spring is positioned on the bottom wall of the second cavity, and the other end of the spring supports the push block to seal the air inlet; the ejector pin enables the spring to be further pressed through the push block, and the push block opens the air inlet hole.
As an improvement of the technical scheme in the previous step, the Ruhr one-way valve further comprises an elastic sealing element which is fixed on the push block and used for enhancing the sealing performance of the air inlet hole when the push block seals the air inlet hole.
As a further improvement of the technical proposal of the previous step, the elastic sealing element is an elastic sealing gasket.
As a further improvement of the technical scheme, the elastic sealing element can also be an elastic sealing ring which is also sleeved on the thimble.
As an improvement of the technical scheme in the previous step, the Ruhr one-way valve further comprises a guide column which is fixed on one side of the push block facing the spring and is inserted into the spring for guiding the spring.
Furthermore, the guide post and the ejector pin are integrally formed, and the guide post or the ejector pin is inserted into the push block.
Further, the guide post and the push block are integrally formed.
As the improvement of the technical scheme of the previous step, the shell comprises an upper shell and a lower shell which are fixed with each other, the first cavity is positioned in the upper shell, and the second cavity is positioned in the lower shell.
As a further improvement of the technical scheme, the upper shell and the lower shell are fixed through clamping.
The utility model also provides a therapeutic apparatus for treating esophageal varices, which adopts the plugging device as above.
The utility model discloses following beneficial effect has:
1. the utility model discloses a plugging device is when initial condition, and the spring support ejector pad that is in compression state is in order to seal the inlet port, when applying pressure to the atress portion of ejector pin subassembly (if the atmospheric pressure from the air supply), the inlet port is opened to the spring further pressurized messenger ejector pad through the thimble, therefore the air supply can be aerifyd the gasbag of air bag structure through the plugging device, when the pressure in the atress portion withdraws, the deformation power through the spring resets and supports the ejector pad in order to reseal the inlet port. Therefore, the air inlet of the air bag is automatically closed, so that when the air bag of the air bag structure is injected with gas to control the expansion size of the air bag, after the air bag is filled with certain gas, the air inlet of the air bag does not need to be manually closed.
2. The utility model provides a plugging device simple structure aerifys convenient operation, can control the air input of gasbag structure, when being applied to the therapeutic instrument of treatment esophageal varices, can increase the operation effect when treating esophageal varices department.
Drawings
Fig. 1 is a schematic structural diagram of a luer one-way valve in a stopper, wherein a housing is processed in a perspective manner for the convenience of seeing the internal structure.
Fig. 2 is a schematic perspective view of fig. 1.
Fig. 3 is a partial schematic structural view of the luer one-way valve of fig. 1.
Fig. 4 is a schematic structural view of a housing part of the luer one-way valve in fig. 1.
Description of the symbols
1 casing 5 elastic sealing member
2 bearing part 6 push block
3 thimble 7 spring
4 air inlet and 8 air outlet
Detailed Description
In order to make the objects, 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 and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
This embodiment has introduced a plugging device, this plugging device simple structure, can be after aerifing the entering of the automatic shutdown gas, convenient operation. The occluder comprises an air bag structure, an air source for inflating/deflating the air bag structure, and a luer one-way valve arranged between the air bag structure and the air source.
In this embodiment, luer one-way valve can be provided with the connecting piece with different air supplies assorted on. Luer one-way valve and gasbag structure between accessible trachea are connected, and the trachea still can be provided with protection architecture with the junction of cavity structure, and this protection architecture is fixed gasbag structure for prevent to use the device to carry out the damage of gasbag structure and operation position that leads to because of the junction is crooked when performing the operation.
Referring to fig. 1 to 4, the luer one-way valve includes a housing 1, a needle 3 assembly, a push block 6, a spring 7, an elastic sealing element 5, and a guide post.
The housing 1 is provided with a first chamber and a second chamber. The first chamber is provided with an air inlet communicated with an air source, the second chamber is provided with an air outlet 8 communicated with the air bag structure, and the first chamber is communicated with the second chamber through an air inlet 4.
The housing 1 may include an upper case and a lower case fixed to each other by a snap fit. The first chamber is located in the upper shell and the second chamber is located in the lower shell. In other embodiments, the upper shell and the lower shell can be fixed in other manners such as threaded connection and pin connection, and only the fixed connection between the upper shell and the lower shell needs to be satisfied, and the upper shell and the lower shell can also be of an integrally formed structure.
The thimble assembly comprises a force-bearing part 2 and a thimble 3, and the thimble 3 can be rod-shaped as a whole, and in other embodiments, the thimble can be designed to be conical according to the needs of those skilled in the art. The force-bearing part 2 is accommodated in the first cavity, one end of the thimble 3 is fixed on the force-bearing part 2, and the other end enters the second cavity from the first cavity through the air inlet hole 4.
The push block 6 is accommodated in the second cavity and fixed on the other end of the thimble 3. The spring 7 is accommodated in the second chamber and is in a compressed state, one end of the spring 7 is positioned on the bottom wall of the second chamber, and the other end of the spring 7 supports the push block 6 to close the air inlet hole 4. The ejector pin 3 further presses the spring 7 through the push block 6, so that the push block 6 opens the air inlet hole 4.
The utility model discloses a stopper is when initial condition, and spring 7 that is in compression state supports ejector pad 6 in order to seal inlet port 4, and when (if the atmospheric pressure from the air supply) was exerted pressure to the atress portion 2 of ejector pin subassembly, spring 7 further pressurized through thimble 3 makes ejector pad 6 open inlet port 4, therefore the air supply can be aerifyd the gasbag of air bag structure through the stopper. When the pressure on the force-receiving part 2 is removed, the support push block 6 is reset by the deforming force of the spring 7 to re-close the air inlet 4 hole. Therefore, the air inlet of the air bag is automatically closed, so that when the air bag of the air bag structure is injected with gas to control the expansion size of the air bag, after the air bag is filled with certain gas, the air inlet of the air bag does not need to be manually closed.
In this embodiment, an elastic sealing member 5 may be further disposed between the push block 6 and the air inlet hole 4, and the elastic sealing member 5 is fixed on the push block 6 and used for enhancing the sealing performance of the air inlet hole 4 when the push block 6 seals the air inlet hole 4. The elastic sealing element 5 can be an elastic sealing gasket or an elastic sealing ring, and if the elastic sealing ring is an elastic sealing ring, the elastic sealing ring is preferably sleeved on the thimble 3. The guide post is fixed on the side of the push block 6 facing the spring 7 and is inserted in the spring 7 for guiding the spring 7.
Referring to fig. 2, the guiding post and the thimble 3 may be an integrally formed structure, and the guiding post or the thimble 3 is inserted into the pushing block 6. In other embodiments, the guide posts may also be integrally formed with the push block 6. The guide posts are provided mainly for compression and return of the guide spring 7, but of course, they may be omitted.
When the plugging device is in an initial state, the spring 7 in a pressed state supports the push block 6 to seal the air inlet hole 4, when pressure is applied to the stress part 2 of the ejector pin 3 assembly (if air pressure from an air source), the ejector pin 3 is pressed to enable the push block 6 to extrude the spring 7, and then the air inlet hole 4 is communicated with the air bag structure, so that the air source can inflate the air bag of the air bag structure through the plugging device. When the inflation is finished, the pressure on the stress part 2 is removed, the support push block 6 is reset through the deformation force of the spring 7 to close the air inlet hole 4 again, so that the gas connection between the outside and the airbag structure is blocked, the automatic closing of the air inlet of the airbag is realized, and therefore when the airbag of the airbag structure injects gas to control the expansion size of the airbag, the air inlet of the airbag does not need to be closed manually after the airbag is introduced with certain gas.
Example 2
This example describes a therapeutic apparatus for treating esophageal varices, which is used to treat varices in the superior esophageal veins. The treatment apparatus used an occluder as described in example 1. The therapeutic apparatus can effectively control the inflation quantity in the air bag structure when being used for treating esophageal varices, thereby increasing the operation effect when treating the esophageal varices and being simple and convenient to operate.
The therapeutic apparatus may also comprise a gastroscope, an intravenous probe, a foam sclerosing agent and a pipeline. The vein probe is positioned in the gastroscope probe and extends out of the gastroscope probe; the air bag structure is fixedly connected on the vein probe. Foam sclerosant is used for injection at varicose veins. The tubing is located within the gastroscopic probe and is used to inject foam sclerosant outside the gastroscopic probe.
The venous probe is used for searching the varicose position of the vein on the esophagus, the air bag structure is inflated through the air source via the luer one-way valve, the blood circulation of the vein is blocked by the air bag structure and the vein probe together, the inflation operation is convenient, the air inflow of the air bag structure can be controlled, and therefore the operation effect of treating the varicose position of the esophagus is improved.
The utility model provides a plugging device simple structure aerifys convenient operation, can control the air input of gasbag structure, when being applied to the therapeutic instrument of treatment esophageal varices, can increase the operation effect when treating esophageal varices department.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An occluder comprising a balloon structure, a gas source for inflating/deflating said balloon structure, and a luer one-way valve disposed between said balloon structure and said gas source,
the luer one-way valve includes:
a housing (1) provided with a first chamber and a second chamber; the first chamber is provided with an air inlet which is used for being communicated with the air source, the second chamber is provided with an air outlet (8) which is used for being communicated with the air bag structure, and the first chamber is communicated with the second chamber through an air inlet (4);
the thimble (3) assembly comprises a stress part (2) and a thimble (3); the stress part (2) is accommodated in the first cavity, one end of the thimble (3) is fixed on the stress part (2) and the other end of the thimble enters the second cavity from the first cavity through the air inlet hole (4);
a push block (6) which is contained in the second cavity and fixed on the other end of the thimble (3);
the spring (7) is accommodated in the second cavity and is in a pressed state, one end of the spring (7) is positioned on the bottom wall of the second cavity, and the other end of the spring (7) supports the push block (6) to seal the air inlet hole (4); the ejector pin (3) enables the spring (7) to be further pressed through the push block (6), and the push block (6) opens the air inlet hole (4).
2. The occluder of claim 1, wherein said luer one-way valve further comprises an elastic sealing member (5), the elastic sealing member (5) being fixed to the push block (6) for enhancing the closure of the air inlet hole (4) when the push block (6) closes the air inlet hole (4).
3. The occluder of claim 2, wherein the resilient seal (5) is a resilient gasket.
4. The occluder of claim 2, wherein the resilient sealing member (5) is a resilient sealing ring which also fits over the spike (3).
5. The occluder of claim 1, wherein the luer one-way valve further comprises a guide post fixed on the side of the push block (6) facing the spring (7) and inserted in the spring (7) for guiding the spring (7).
6. The occluder of claim 5, wherein said guide posts are integrally formed with the spike (3), said guide posts or spikes (3) being inserted into the push block (6).
7. The occluder of claim 5, wherein the guide posts are integrally formed with the push block (6).
8. The occluder of claim 1, wherein the housing (1) comprises an upper shell and a lower shell secured to each other, said first chamber being located within said upper shell and said second chamber being located within said lower shell.
9. The occlusion device of claim 8, wherein the upper shell and the lower shell are secured by a snap fit.
10. An apparatus for treating esophageal varices, characterized in that the apparatus employs an occluder according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022641801.XU CN213787627U (en) | 2020-11-16 | 2020-11-16 | Plugging device and therapeutic apparatus for treating esophageal varices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022641801.XU CN213787627U (en) | 2020-11-16 | 2020-11-16 | Plugging device and therapeutic apparatus for treating esophageal varices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213787627U true CN213787627U (en) | 2021-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022641801.XU Active CN213787627U (en) | 2020-11-16 | 2020-11-16 | Plugging device and therapeutic apparatus for treating esophageal varices |
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| Country | Link |
|---|---|
| CN (1) | CN213787627U (en) |
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2020
- 2020-11-16 CN CN202022641801.XU patent/CN213787627U/en active Active
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