CN219742865U - Temperature feedback steam ablation balloon catheter - Google Patents
Temperature feedback steam ablation balloon catheter Download PDFInfo
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- CN219742865U CN219742865U CN202321102874.9U CN202321102874U CN219742865U CN 219742865 U CN219742865 U CN 219742865U CN 202321102874 U CN202321102874 U CN 202321102874U CN 219742865 U CN219742865 U CN 219742865U
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- 238000002679 ablation Methods 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 230000006698 induction Effects 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 210000005077 saccule Anatomy 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 210000004072 lung Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 206010014561 Emphysema Diseases 0.000 description 1
- 206010016654 Fibrosis Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000004761 fibrosis Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
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Abstract
The utility model discloses a temperature feedback steam ablation balloon catheter, and relates to the technical field of medical appliances. A temperature feedback steam ablation balloon catheter comprises a shell, a balloon, a gas transmission catheter, a temperature feedback piece and a central tube, wherein the central tube is arranged in the shell and is communicated with a steam transmission branch pipe; the input end of the gas transmission conduit extends into the shell and is communicated with the central tube, the treatment end of the gas transmission conduit is communicated with the saccule, and a steam transmission channel is formed among the steam transmission branch pipe, the central tube and the gas transmission conduit; the temperature feedback piece comprises an induction end and a connecting end, wherein the induction end is positioned in the steam conveying channel and stretches into the gas conveying conduit, and the connecting end is connected with the external circuit board. According to the utility model, the temperature range of the steam at the input end is controlled according to the steam output attenuation condition at the treatment end, so that the treatment time is effectively controlled, and the treatment effect is prevented from being influenced by the too low steam at the input end, so that the treatment time is prolonged.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a temperature feedback steam ablation balloon catheter.
Background
Steam ablation is an emerging implantation-free bronchoscope interventional technology, which is characterized in that a steam catheter is sent into target lung tissues identified by high-resolution CT through a bronchoscope, a predetermined amount of high-temperature steam is released to generate thermal reaction to act on the target lung tissues of a patient, so that local lung tissues are subjected to acute inflammatory reaction and injury repair, lung tissue fibrosis and scar repair are generated, or lung tension is formed, so that the purpose of reducing the volume of the lung is achieved. This method does not require implantation of foreign matter as compared with other methods, and can produce a long-term therapeutic effect. At present, the clinical data about the bronchothermal ablation technology is less, but the bronchothermal ablation technology has become a research hot spot for treating emphysema.
The steam ablation apparatus in the prior art mainly comprises: the device comprises a joint main body, a gas transmission pipe, an expansion air bag and a steam pipe. The two ends of the gas transmission pipe are respectively connected with the joint main body and the expansion air bag, the joint main body is communicated with an external gas source, gas enters the expansion air bag through the gas transmission pipe to expand the expansion air bag so as to support the inner wall of a trachea at a focus, the steam pipe is connected with the joint main body and penetrates through the expansion air bag, and after the steam pipe is connected with external steam, the steam is output to the focus so as to complete the operation. The effect of the quality of the steam on the treatment time of the operation is generally larger, the heat in the steam in the channel is gradually attenuated, the treatment is often unfavorable, how to control the output quality of the steam, and the prolonged treatment caused by the temperature attenuation is reduced, so that the problem to be solved at present.
Disclosure of Invention
The utility model aims to provide a temperature feedback steam ablation balloon catheter so as to solve the problem that the existing steam ablation equipment cannot detect the temperature of steam in a channel.
The technical scheme for solving the technical problems is as follows:
a temperature feedback steam ablation balloon catheter comprises a shell, a balloon, a gas transmission catheter, a temperature feedback piece and a central tube, wherein the central tube is arranged in the shell and is communicated with a steam transmission branch pipe; the input end of the gas transmission conduit extends into the shell and is communicated with the central tube, the treatment end of the gas transmission conduit is communicated with the saccule, and a steam transmission channel is formed among the steam transmission branch pipe, the central tube and the gas transmission conduit; the temperature feedback piece comprises an induction end and a connecting end, wherein the induction end is positioned in the steam conveying channel and stretches into the gas conveying conduit, and the connecting end is connected with the external circuit board.
The beneficial effects of adopting above-mentioned technical scheme are: the steam delivery branch pipe delivers steam to the central pipe, the steam flows into the gas delivery pipe, when the steam flows into the treatment end of the gas delivery pipe, the steam balloon is expanded and delivers steam to the focus, and in the process, the temperature feedback piece can feed back the temperature of the steam delivered to the gas delivery pipe in real time. According to the technical scheme, according to the attenuation condition of the steam output of the treatment end, the temperature range of the steam of the input end is controlled, and the minimum temperature reached by attenuation is ensured to be limited, so that the treatment time is effectively controlled, the treatment effect is prevented from being influenced due to the fact that the steam of the input end is too low, and the treatment time is prolonged.
Further, the gas transmission duct comprises a first channel and a second channel which are mutually separated, the first channel and the second channel are respectively communicated with the central tube, the first channel is provided with a first steam outlet, the balloon is sleeved on the gas transmission duct and is communicated with the first steam outlet, and the second channel is provided with a second steam outlet.
Further, the treatment end of the gas delivery catheter is provided with an end cap, the end cap is provided with a plug for plugging the first channel, the end cap is provided with a gas outlet through hole, and the gas outlet through hole is communicated with the second steam outlet.
The beneficial effects of adopting above-mentioned technical scheme are: the steam delivery branch pipe respectively delivers steam to the first channel and the second channel, the steam in the first channel expands the saccule under the action of the plug, and the steam in the second channel acts on the focus. The gas transmission catheter of this technical scheme is the binary channels, can carry out the inflation of sacculus and the transportation of steam respectively, makes the more concentrated focus department of carrying of steam, and the end cap can protect gas transmission catheter in addition, prevents scratch tissue.
Further, the outer wall of the housing is provided with a buckle.
Further, the housing is provided with an air valve which is communicated with the steam delivery branch pipe.
Further, the gas valve is provided with a gas valve switch.
Further, the housing is provided with a flexible protective tube which encloses the gas delivery conduit.
The utility model has the following beneficial effects:
(1) According to the utility model, the temperature range of the steam at the input end is controlled according to the attenuation condition of the steam output at the treatment end, so that the minimum temperature reached by attenuation is ensured to be limited, thereby effectively controlling the treatment time, preventing the steam at the input end from being too low, affecting the treatment effect and prolonging the treatment time.
(2) The air delivery catheter is double-channel, and can be used for inflating the saccule and delivering steam respectively, so that the steam is delivered to a focus more intensively, and in addition, the end cap can protect the air delivery catheter to prevent tissue from being scratched.
Drawings
FIG. 1 is a schematic diagram of a temperature feedback steam ablation balloon catheter of the present utility model;
FIG. 2 is a schematic view of the central tube of the present utility model;
FIG. 3 is a schematic diagram of the air valve of the present utility model;
FIG. 4 is a schematic view of the structure of the gas delivery conduit of the present utility model;
FIG. 5 is a schematic structural view of an enlarged detail view at A in FIG. 3;
fig. 6 is a schematic structural view of the airbag of the present utility model.
In the figure: 1-a housing; 101-clamping; 102-an air valve; 103-an air valve switch; 2-balloon; 3-a gas transmission conduit; 301-a first channel; 311-a first steam outlet; 302-a second channel; 4-a temperature feedback member; 5-a central tube; 501-a steam delivery manifold; 6-end caps; 601-plugs; 602-an air outlet through hole; 7-flexible protective tube.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
Referring to fig. 1, a temperature feedback steam ablation balloon catheter includes a housing 1, a balloon 2, a gas transmission catheter 3, a temperature feedback member 4, and a central tube 5, wherein the central tube 5 is disposed in the housing 1, and the central tube 5 is communicated with a steam transmission branch pipe 501; the input end of the gas transmission conduit 3 extends into the shell 1 and is communicated with the central tube 5, the treatment end of the gas transmission conduit 3 is communicated with the sacculus 2, and a steam transmission channel is formed among the steam transmission branch pipe 501, the central tube 5 and the gas transmission conduit 3; the temperature feedback piece 4 comprises an induction end and a connecting end, wherein the induction end is positioned in the steam conveying channel and stretches into the gas conveying pipe 3, and the connecting end is connected with an external circuit board.
According to the utility model, the temperature range of the steam at the input end is controlled according to the attenuation condition of the steam output at the treatment end, so that the minimum temperature reached by attenuation is ensured to be limited, thereby effectively controlling the treatment time, preventing the steam at the input end from being too low, affecting the treatment effect and prolonging the treatment time.
Referring to fig. 2 and 3, a buckle 101 is provided on an outer wall of the housing 1, and is connected with a steam ablation handle through the buckle 101. The shell 1 is provided with a gas valve 102, the gas valve 102 is communicated with a steam delivery branch pipe 501, the gas valve 102 is provided with a gas valve switch 103, and the on-off of steam can be controlled through the gas valve switch 103. The shell 1 is provided with a flexible protection tube 7, and the flexible protection tube 7 wraps the gas transmission catheter 3 and is used for preventing the gas transmission catheter 3 from being bent at the shell 1 to influence the operation.
Referring to fig. 4 and 6, the gas delivery conduit 3 includes a first channel 301 and a second channel 302 that are separated from each other, the first channel 301 and the second channel 302 are respectively communicated with the central tube 5, the first channel 301 is provided with a first steam outlet 311, the balloon 2 is sleeved on the gas delivery conduit 3 and is communicated with the first steam outlet 311, the air valve switch 103 is used for controlling on-off of steam in the first channel 301, the second channel 302 is provided with a second steam outlet, and the second steam outlet is used for delivering steam to a focus.
Referring to fig. 5, the temperature feedback element 4 is a heating resistor, an external circuit board is disposed in the housing 1, one end of the temperature feedback element 4 extends out of the central tube 5 and is connected with the external circuit board, and the other end of the temperature feedback element 4 extends into the central tube 5 and is located in the second channel 302, and the external circuit board is connected with the host through a cable.
The treatment end of the gas delivery conduit 3 is provided with an end cap 6, the end cap 6 is provided with a plug 601 for plugging the first channel 301, the end cap 6 is provided with a gas outlet through hole 602, and the gas outlet through hole 602 is communicated with the second steam outlet.
In the processing process of the gas transmission conduit 3, the outer wall of the gas transmission conduit 3 is also provided with a woven mesh to control the bending of the gas transmission conduit 3 and prevent the excessive bending from affecting the operation.
The working process of the temperature feedback steam ablation balloon catheter comprises the following steps: 1) The steam delivery branch pipe 501 delivers steam into the center pipe 5, and the steam flows into the first passage 301 and the second passage 302, respectively; 2) The steam flowing into the first passage 301 flows out from the first steam outlet 311, and after the balloon 2 is inflated, the air valve switch 103 is closed; 3) The steam flowing into the second channel 302 flows out from the second steam outlet, and is delivered to the lesion, and in the process, the temperature feedback member 4 can feed back the temperature of the steam delivered into the second channel 302 in real time.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. A temperature feedback steam ablation balloon catheter, comprising: the device comprises a shell (1), a balloon (2), a gas transmission catheter (3), a temperature feedback piece (4) and a central tube (5), wherein the central tube (5) is arranged in the shell (1), and the central tube (5) is communicated with a steam transmission branch tube (501);
the input end of the gas transmission pipe (3) extends into the shell (1) and is communicated with the central pipe (5), the treatment end of the gas transmission pipe (3) is communicated with the balloon (2), and a steam transmission channel is formed among the steam transmission branch pipe (501), the central pipe (5) and the gas transmission pipe (3);
the temperature feedback piece (4) comprises an induction end and a connecting end, wherein the induction end is positioned in the steam conveying channel and stretches into the gas conveying conduit (3), and the connecting end is connected with an external circuit board.
2. The temperature feedback steam ablation balloon catheter according to claim 1, wherein the gas delivery catheter (3) comprises a first channel (301) and a second channel (302) which are separated from each other, the first channel (301) and the second channel (302) are respectively communicated with the central tube (5), the first channel (301) is provided with a first steam outlet (311), the balloon (2) is sleeved on the gas delivery catheter (3) and communicated with the first steam outlet (311), and the second channel (302) is provided with a second steam outlet.
3. The temperature feedback steam ablation balloon catheter according to claim 2, characterized in that the treatment end of the gas delivery catheter (3) is provided with an end cap (6), the end cap (6) is provided with a plug (601) for plugging the first channel (301), the end cap (6) is provided with a gas outlet through hole (602), the gas outlet through hole (602) is in communication with the second steam outlet.
4. The temperature feedback steam ablation balloon catheter according to claim 1, characterized in that the outer wall of the housing (1) is provided with a clasp (101).
5. The temperature feedback steam ablation balloon catheter according to claim 1, characterized in that the housing (1) is provided with a gas valve (102), the gas valve (102) being in communication with the steam delivery manifold (501).
6. The temperature feedback steam ablation balloon catheter according to claim 5, wherein the gas valve (102) is provided with a gas valve switch (103).
7. A temperature feedback steam ablation balloon catheter according to any of claims 1 to 6, characterized in that the housing (1) is provided with a flexible protective tube (7), the flexible protective tube (7) enveloping the gas delivery catheter (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321102874.9U CN219742865U (en) | 2023-05-09 | 2023-05-09 | Temperature feedback steam ablation balloon catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321102874.9U CN219742865U (en) | 2023-05-09 | 2023-05-09 | Temperature feedback steam ablation balloon catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219742865U true CN219742865U (en) | 2023-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321102874.9U Active CN219742865U (en) | 2023-05-09 | 2023-05-09 | Temperature feedback steam ablation balloon catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219742865U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117503321A (en) * | 2023-11-20 | 2024-02-06 | 邦士医疗科技股份有限公司 | Slow pulmonary steam ablation balloon catheter that hinders |
-
2023
- 2023-05-09 CN CN202321102874.9U patent/CN219742865U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117503321A (en) * | 2023-11-20 | 2024-02-06 | 邦士医疗科技股份有限公司 | Slow pulmonary steam ablation balloon catheter that hinders |
| CN117503321B (en) * | 2023-11-20 | 2024-05-07 | 邦士医疗科技股份有限公司 | Slow pulmonary steam ablation balloon catheter that hinders |
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