CN117503321A - Slow pulmonary steam ablation balloon catheter that hinders - Google Patents
Slow pulmonary steam ablation balloon catheter that hinders Download PDFInfo
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- CN117503321A CN117503321A CN202311551664.2A CN202311551664A CN117503321A CN 117503321 A CN117503321 A CN 117503321A CN 202311551664 A CN202311551664 A CN 202311551664A CN 117503321 A CN117503321 A CN 117503321A
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- 238000002679 ablation Methods 0.000 title claims abstract description 36
- 230000002685 pulmonary effect Effects 0.000 title claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 152
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 210000004072 lung Anatomy 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000001225 therapeutic effect Effects 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims 1
- 238000011282 treatment Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 210000004879 pulmonary tissue Anatomy 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000011298 ablation treatment Methods 0.000 description 2
- 210000000621 bronchi Anatomy 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 238000007789 sealing 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
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 229920002614 Polyether block amide Polymers 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004761 fibrosis Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000007788 liquid Substances 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
- 230000002572 peristaltic effect Effects 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
- A61B2018/00011—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
- A61B2018/00023—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids closed, i.e. without wound contact by the fluid
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00214—Expandable means emitting energy, e.g. by elements carried thereon
- A61B2018/0022—Balloons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00541—Lung or bronchi
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00577—Ablation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B2018/044—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating the surgical action being effected by a circulating hot fluid
- A61B2018/048—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating the surgical action being effected by a circulating hot fluid in gaseous form
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1025—Respiratory system
- A61M2210/1039—Lungs
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Child & Adolescent Psychology (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a slow-resistance lung steam ablation balloon catheter, and relates to the technical field of medical appliances. The invention mainly aims to solve the problem that an endoscope or a human body branch air pipeline can be effectively prevented from being scalded by mistake while the temperature of ablation steam treatment is not reduced, and provides the following technical scheme: the steam pipe comprises a shell, a water circulation joint, a steam pipe and a water-gas pipe sleeved outside the steam pipe; the inside of the steam conduit is provided with a gas passage and a water circulation passage, the water circulation joint is communicated with the water circulation passage of the steam conduit, the outer wall of the steam conduit is wound with a high-frequency heating coil close to the tail end of the shell, the steam conduit extends to the outside far away from the shell, a heat insulation layer is formed between the steam conduit and the steam conduit, and the high-temperature steam heat of the steam conduit is taken away through the water circulation passage. The invention can prevent the excessive loss of the ablation heat to influence the treatment effect of steam ablation, and can also prevent the steam catheter from mistakenly scalding the endoscope or the branch air pipeline of the human body.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a slow-resistance lung steam ablation balloon catheter.
Background
Steam ablation is an emerging slow-resistance pulmonary endoscopic interventional technique without implantation, which is characterized in that a steam catheter is sent into target pulmonary 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 pulmonary tissues of a patient, so that local pulmonary tissues are subjected to acute inflammatory reaction and injury repair, pulmonary tissue fibrosis and scar repair are generated, or a lung is formed to be not stretched, 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 slow pulmonary heat blocking ablation technology is less, but the slow pulmonary heat blocking ablation technology has become a research hot spot for treating emphysema.
The steam ablation equipment in the prior art mainly comprises a joint main body, a gas transmission pipe, an expansion air bag and a steam pipe, wherein the gas transmission pipe, the expansion air bag and the steam pipe need to enter a bronchus pipeline along with an endoscope during treatment, as the temperature of ablation steam is higher (about 100 ℃), the endoscope can be seriously mistakenly scalded or scalded in the process of conveying high-temperature steam, and the temperature of the ablation steam in the steam pipe is reduced, so that the treatment temperature can not reach the requirement, and the treatment effect is reduced.
The invention patent CN116350338A discloses a steam ablation system capable of being repeatedly sterilized and used, which comprises a front needle body, a mirror body conveying channel, a needle body mounting and adjusting module, a steam generation and needle body excitation module, an operation button module and an instrument interface module, wherein the steam generation and needle body excitation module of the steam ablation system isolates an electrical element from the outside by adopting an integral sealing structure, can clean and sterilize the electrical element, and realizes the repeated use; the invention has compact overall layout, improves sealing property and is convenient for repeated sterilization, but does not solve the problems that the temperature of ablation steam is higher, an endoscope is possibly scalded or a human body bronchus is scalded in the process of delivering high-temperature steam, and the problem that the treatment temperature cannot meet the requirement and the treatment effect is reduced due to the fact that the temperature of the ablation steam in the steam pipeline is reduced is not mentioned.
Disclosure of Invention
The invention aims to provide a slow-blocking lung steam ablation balloon catheter, which solves the problem that an endoscope or a human body branch air pipeline can be effectively prevented from being scalded by mistake while the ablation steam treatment temperature is not reduced.
The technical scheme for solving the technical problems is as follows:
a slow-blocking lung steam ablation balloon catheter comprises a shell, a water circulation joint, a steam catheter which is arranged inside the shell and is used for conveying therapeutic steam, and a water-gas catheter which is sleeved outside the steam catheter; the inside of the steam conduit is respectively provided with a gas passage and a water circulation passage, the water circulation joint is communicated with the water circulation passage of the steam conduit through the water circulation joint, the outer wall of the steam conduit is wound with a high-frequency heating coil close to the tail end of the shell, the steam conduit extends to the outside far away from the shell, a heat insulation layer is formed between the steam conduit and the steam conduit through the gas passage and the water circulation passage in the steam conduit, and part of high-temperature steam heat of the steam conduit is taken away through the water circulation passage.
The beneficial effects of adopting above-mentioned technical scheme to produce are: according to the invention, the water circulation connector arranged on the shell is connected with the water-gas conduit in the shell to form the internal gas passage and the water circulation passage, the water circulation passage can take away part of heat on the steam conduit, when excessive heat on the steam conduit is dissipated, the spiral high-frequency heating coil wound on the outer wall of the steam conduit can be used for carrying out secondary heating on ablation steam, and the design can prevent the excessive dissipation of ablation heat from affecting the steam ablation treatment effect and prevent the steam conduit from mistakenly scalding an endoscope or a branch air conduit of a human body.
Further, the aqueous vapor pipe includes gas-supply pipe, water inlet pipe and play water pipe in proper order along circumference, and the one end of gas-supply pipe is linked together with the air inlet of the admission valve of setting on the casing, and the other end and the sacculus of gas-supply pipe are linked together, and the sacculus cover is established in the outside of aqueous vapor pipe, and water inlet pipe and play water pipe are linked together with the hydrologic cycle joint respectively, and water inlet pipe and play water pipe are linked together in the tip of keeping away from the casing, and water inlet pipe and play water pipe form water circulation passageway.
The beneficial effects of adopting above-mentioned technical scheme to produce are: the water inlet guide pipe can convey low-temperature water into the guide pipe, the water outlet guide pipe can convey hot water in the guide pipe, and the water inlet guide pipe and the water outlet guide pipe form a water circulation passage, so that the water temperature in the guide pipe is controlled within a proper range, a heat insulation layer is formed between the steam guide pipe and the outside, and the expansion gas can be conveyed to the balloon through the arranged gas transmission guide pipe.
Further, the end part of the water-gas conduit is detachably connected with an end cap, the end cap is used for blocking the gas-transmission conduit, the water inlet conduit and the water outlet conduit, an air outlet through hole is formed in the middle of the end cap, and the air outlet through hole is communicated with the outlet end of the steam conduit and is used for outputting steam.
The beneficial effects of adopting above-mentioned technical scheme to produce are: the end cap can prevent the gas and liquid of the gas delivery conduit, the water inlet conduit and the water outlet conduit from flowing out and diffusing.
Further, the water circulation interface comprises a water circulation water inlet and a water circulation water outlet, the water circulation joint comprises a water inlet joint and a water outlet joint, the water inlet joint is communicated with the water inlet guide pipe through the water circulation water inlet, and the water outlet joint is communicated with the water outlet guide pipe through the water circulation water outlet.
Further, the cross sectional areas of the water inlet conduit and the water outlet conduit are larger than the cross sectional area of the gas transmission conduit.
Further, the high-frequency heating coil is a non-tapped induction coil.
Further, one end, close to the shell, of the outside of the water-gas guide pipe is sleeved with a protection pipe, and the protection pipe is used for preventing the water-gas guide pipe from bending at the shell.
Further, a spring buckle is arranged outside the shell, and the spring buckle is connected with a steam ablation handle connected with the outside.
The invention has the following beneficial effects:
the invention can not only convey low-temperature water into the guide pipe but also send hot water out of the guide pipe through the water circulation passage arranged in the guide pipe, thereby controlling the water temperature in the guide pipe to be in a proper range, leading the steam guide pipe and the outside to form a heat insulation layer, combining with the secondary heating of the heating coil, not only preventing the excessive loss of the ablation heat from affecting the treatment effect of steam ablation, but also preventing the steam guide pipe from mistakenly scalding an endoscope or a branch air pipeline of a human body.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an internal structural view of the housing;
FIG. 3 is a cross-sectional view at B-B;
FIG. 4 is an enlarged cross-sectional view of the steam conduit of FIG. 3B-B;
FIG. 5 is a schematic view of a catheter configuration with one end of the balloon removed from the end cap;
fig. 6 is a schematic structural view of the end cap.
Reference numerals shown in the drawings are respectively expressed as: 1-a housing; 2-an intake valve; 3-a water circulation joint; 4-a water circulation interface; a 5-steam conduit; 6-a water gas conduit; 7-a balloon; 8-end caps; 9-protecting tube; 10-high-frequency heating coils; 11-spring catch; 31-a water inlet joint; 32-a water outlet joint; 41-a water circulation water inlet; 42-a water circulation water outlet; 61-gas delivery conduit; 62-a water inlet conduit; 63-a water outlet conduit; 81-vent holes.
Detailed Description
The following description of the embodiments of the present invention will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present invention, based on the embodiments of the present invention.
Referring to fig. 1-2, the invention relates to a slow-blocking lung steam ablation balloon catheter, which comprises a shell 1, an air inlet valve 2, a water circulation joint 3, a water circulation joint 4, a steam catheter 5 and a water-air catheter 6, wherein the steam catheter 5 is arranged inside the shell 1 and is used for conveying therapeutic steam, and the water-air catheter 6 is sleeved outside the steam catheter 5; the gas transmission pipe 61 arranged inside the water gas pipe 6 forms a gas passage, and the water inlet pipe 62 and the water outlet pipe 63 inside the water gas pipe 6 form a water circulation passage.
The steam catheter 5 forms the insulating layer between the steam catheter 5 and the steam catheter 6 to take away the high temperature steam heat of steam catheter 5 through the hydrologic cycle passageway, the outer wall of steam catheter 5 is close to the tail end winding of casing 1 and has had high frequency heating coil 10, and high frequency heating coil 10 can adopt ZVS to do not have the induction coil of taking a percentage to realize, and its control portion sets up in the host computer, and heating coil 10 is used for carrying out the secondary heating to the steam that outside (like the host computer) transmitted steam catheter 5 in order to reach the ablation treatment temperature, realizes temperature compensation. The outside of the shell 1 is provided with a spring buckle 11, and the spring buckle 11 is used for connecting the invention with an externally accessed steam ablation handle.
Referring to fig. 3-4, the water circulation connector 4 includes a water circulation water inlet 41 and a water circulation water outlet 42, the water circulation connector 3 includes a water inlet connector 31 and a water outlet connector 32, the water inlet connector 31 is communicated with a water inlet conduit 62 through the water circulation water inlet 41, and the water outlet connector 32 is communicated with a water outlet conduit 63 through the water circulation water outlet 42.
Referring to fig. 1-5, one end of a gas transmission pipe 61 is communicated with the gas inlet of the gas inlet valve 2, the other end of the gas transmission pipe 61 is communicated with the balloon 7, and the gas inlet valve 2 can control the gas entering the balloon 7 by controlling the switch of the gas transmission pipe, and is used for transmitting inflation gas to the balloon 7 so as to control the inflation of the balloon 7; the water inlet pipe 62 is used for conveying low-temperature water, the water outlet pipe 63 is used for conveying hot water, the water inlet pipe 62 and the water outlet pipe 63 are communicated at the end cap 8, the water inlet pipe 62 and the water outlet pipe 63 form a water circulation passage, and part of heat of high-temperature steam of the steam pipe is taken away through the water circulation passage.
Referring to fig. 1-6, the water-gas conduit 6 is provided with a balloon 7 and an end cap 8 at one end far away from the housing 1, the balloon 7 can be used for inflating the trachea and the blood vessel after inflation, the balloon 7 is sleeved outside the water-gas conduit 6, the end cap 8 is detachably connected to the end of the water-gas conduit 6, a protecting tube 9 is sleeved at one end, close to the housing 1, of the outer part of the water-gas conduit 6, and the protecting tube 9 is used for preventing the water-gas conduit 6 from bending at the housing 1. The end cap 8 is provided with an air outlet through hole 81, and the end cap 8 is used for blocking the air delivery pipe 61, the water inlet pipe 62 and the water outlet pipe 63, and the air outlet through hole 81 is communicated with the outlet end of the steam pipe 5 and is used for outputting steam.
Referring to fig. 2-4, the cross-sectional area of the water inlet conduit 62 and the water outlet conduit 63 is larger than that of the gas conduit 61, and a heat insulation layer is formed between the water gas conduit 6 and the steam conduit 5 through a gas passage and a water circulation passage. A peristaltic pump is provided between the inlet conduit 62 and the outlet conduit 63, external to the present invention, for controlling the flow rate of the body of water in the conduit to control the temperature of the water in the conduit within a suitable range.
Referring to fig. 1-2, the water circulation connector 3, the water circulation connector 4, and the air inlet valve 2 are disposed on two sides of the housing 1 and on the same plane, intersect the water vapor conduit 6 and the steam conduit 5 to form a cross shape, and the heating coil 10 can extend to the intersection. The steam conduit 5 may use a PEEK or PI tube, and the water-gas conduit 6 is a pebax tube provided with stainless steel braid wires for preventing excessive bending of the conduit.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. A slow blocking lung steam ablation balloon catheter, comprising: the device comprises a shell (1), a water circulation joint (3), a steam conduit (5) arranged in the shell (1) and used for conveying therapeutic steam, and a water vapor conduit (6) sleeved outside the steam conduit (5);
the inside of aqueous vapor pipe (6) is equipped with gas passage and water circulation passageway respectively, water circulation joint (3) through water circulation interface (4) with the water circulation passageway intercommunication of aqueous vapor pipe (6), the outer wall of steam pipe (5) just is close to high-frequency heating coil (10) are twined at casing (1) tail end, aqueous vapor pipe (6) extend to keeping away from the outside of casing (1), aqueous vapor pipe (6) with form thermal-insulated heat preservation through gas passage and water circulation passageway in aqueous vapor pipe (6) between steam pipe (5), and take away through water circulation passageway part high temperature steam heat of steam pipe (5).
2. The slow lung steam ablation balloon catheter according to claim 1, wherein the water-air catheter (6) sequentially comprises a gas transmission catheter (61), a water inlet catheter (62) and a water outlet catheter (63) along the circumferential direction, one end of the gas transmission catheter (61) is communicated with a gas inlet of a gas inlet valve (2) arranged on the shell (1), the other end of the gas transmission catheter (61) is communicated with the balloon (7), the balloon (7) is sleeved outside the water-air catheter (6), the water inlet catheter (62) and the water outlet catheter (63) are respectively communicated with the water circulation joint (3), and the water inlet catheter (62) and the water outlet catheter (63) are communicated at the end parts far away from the shell (1), and the water inlet catheter (62) and the water outlet catheter (63) form a water circulation passage.
3. The slow lung steam ablation balloon catheter according to claim 2, wherein an end of the water gas catheter (6) is detachably connected with an end cap (8), the end cap (8) is used for blocking the gas catheter (61), the water inlet catheter (62) and the water outlet catheter (63), and an air outlet through hole is arranged in the middle of the end cap (8), and the air outlet through hole is communicated with the outlet end of the steam catheter (5) and is used for outputting steam.
4. The slow-blocking lung steam ablation balloon catheter according to claim 2, wherein the water circulation interface (4) comprises a water circulation water inlet (41) and a water circulation water outlet (42), the water circulation joint (3) comprises a water inlet joint (31) and a water outlet joint (32), the water inlet joint (31) is communicated with the water inlet catheter (62) through the water circulation water inlet (41), and the water outlet joint (32) is communicated with the water outlet catheter (63) through the water circulation water outlet (42).
5. The slow lung steam ablation balloon catheter according to claim 2, wherein the cross-sectional area of both the water inlet catheter (62) and the water outlet catheter (63) is greater than the cross-sectional area of the gas delivery catheter (61).
6. The slow pulmonary steam ablation balloon catheter of claim 1, wherein the high frequency heating coil (10) is a tap-less induction coil.
7. The slow lung steam ablation balloon catheter according to claim 1, wherein a protection tube (9) is sleeved on the outer portion of the water-gas catheter (6) near one end of the shell (1), and the protection tube (9) is used for preventing the water-gas catheter (6) from being bent at the shell (1).
8. The slow lung steam ablation balloon catheter according to claim 1, characterized in that a spring buckle (11) is arranged outside the housing (1), and the spring buckle (11) is connected with an externally accessed steam ablation handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311551664.2A CN117503321B (en) | 2023-11-20 | 2023-11-20 | Slow pulmonary steam ablation balloon catheter that hinders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311551664.2A CN117503321B (en) | 2023-11-20 | 2023-11-20 | Slow pulmonary steam ablation balloon catheter that hinders |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117503321A true CN117503321A (en) | 2024-02-06 |
| CN117503321B CN117503321B (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311551664.2A Active CN117503321B (en) | 2023-11-20 | 2023-11-20 | Slow pulmonary steam ablation balloon catheter that hinders |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060118127A1 (en) * | 2004-12-06 | 2006-06-08 | Chinn Douglas O | Tissue protective system and method for thermoablative therapies |
| WO2017201504A1 (en) * | 2016-05-19 | 2017-11-23 | Santa Anna Tech Llc | Ablation catheter with integrated cooling |
| CN111358551A (en) * | 2020-04-27 | 2020-07-03 | 南京亿高微波系统工程有限公司 | Microwave ablation catheter used under bronchoscope |
| CN212630891U (en) * | 2020-04-27 | 2021-03-02 | 南京亿高微波系统工程有限公司 | Microwave ablation catheter used under bronchoscope |
| CN213821687U (en) * | 2020-06-24 | 2021-07-30 | 杭州堃博生物科技有限公司 | Steam ablation catheter with air valve and steam ablation equipment |
| CN116747006A (en) * | 2023-07-21 | 2023-09-15 | 邦士医疗科技股份有限公司 | Prostate steam ablation system and steam ablation method |
| CN219742865U (en) * | 2023-05-09 | 2023-09-26 | 邦士医疗科技股份有限公司 | Temperature feedback steam ablation balloon catheter |
| CN219962985U (en) * | 2023-03-31 | 2023-11-07 | 江苏邦士医疗科技有限公司 | Water leakage prevention power handle and spine grinding drill |
-
2023
- 2023-11-20 CN CN202311551664.2A patent/CN117503321B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060118127A1 (en) * | 2004-12-06 | 2006-06-08 | Chinn Douglas O | Tissue protective system and method for thermoablative therapies |
| WO2017201504A1 (en) * | 2016-05-19 | 2017-11-23 | Santa Anna Tech Llc | Ablation catheter with integrated cooling |
| CN111358551A (en) * | 2020-04-27 | 2020-07-03 | 南京亿高微波系统工程有限公司 | Microwave ablation catheter used under bronchoscope |
| CN212630891U (en) * | 2020-04-27 | 2021-03-02 | 南京亿高微波系统工程有限公司 | Microwave ablation catheter used under bronchoscope |
| CN213821687U (en) * | 2020-06-24 | 2021-07-30 | 杭州堃博生物科技有限公司 | Steam ablation catheter with air valve and steam ablation equipment |
| CN219962985U (en) * | 2023-03-31 | 2023-11-07 | 江苏邦士医疗科技有限公司 | Water leakage prevention power handle and spine grinding drill |
| CN219742865U (en) * | 2023-05-09 | 2023-09-26 | 邦士医疗科技股份有限公司 | Temperature feedback steam ablation balloon catheter |
| CN116747006A (en) * | 2023-07-21 | 2023-09-15 | 邦士医疗科技股份有限公司 | Prostate steam ablation system and steam ablation method |
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| CN117503321B (en) | 2024-05-07 |
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