CN219398658U - Balloon catheter capable of releasing threads - Google Patents
Balloon catheter capable of releasing threads Download PDFInfo
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- CN219398658U CN219398658U CN202320391166.5U CN202320391166U CN219398658U CN 219398658 U CN219398658 U CN 219398658U CN 202320391166 U CN202320391166 U CN 202320391166U CN 219398658 U CN219398658 U CN 219398658U
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- microcatheter
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Abstract
The utility model discloses a releasable thread balloon catheter, which relates to the technical field of medical appliances and comprises a silica gel balloon, a far-end X-ray-impermeable marking ring, a near-end X-ray-impermeable marking ring, an outer wall thread and a one-way valve mechanism. According to the utility model, the damping sleeve is pushed to move through the 2.4F microcatheter by arranging the outer wall threads, so that the silica gel balloon moves to the designated position, at the moment, the high-pressure gun pump is enabled to charge gas into the 2.4F microcatheter through the Y-shaped valve, meanwhile, the silica gel balloon can be contacted with the wall of the oviduct through expansion through the matching of the microcatheter port, the microcatheter lumen and the one-way valve mechanism, the silica gel balloon can avoid falling off through the outer wall threads, then the 2.4F microcatheter can be pulled away through the matching of the thin wire and the parts, and meanwhile, the silica gel balloon can adjust the diameter according to the oviduct wall of a patient due to high compliance of the silica gel balloon, so that the oviduct is completely blocked.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a releasable threaded balloon catheter.
Background
Hydrosalpinx is an important factor causing infertility, which can affect implantation of fertilized eggs, resulting in failure of in vitro fertilization-embryo transfer (IVF-ET), and 10% -30% of patients with tubal infertility are caused by hydrosalpinx, and the current method for treating hydrosalpinx is mainly salpingectomy, tubal ligation, DSA-guided salpingectomy.
The oviduct embolism operation under the guidance of DSA gradually becomes an important means for treating hydrotubal due to the minimally invasive and good curative effect, and the existing material for oviduct embolism is mainly a spring ring, and has the advantages of good development and good tissue compatibility.
However, at present, the spring ring is designed for intravascular application, and is not special for a fallopian tube, because the structure of the fallopian tube cavity is different from that of the vascular cavity, the spring ring can possibly cause shift of the fallopian tube when being applied in the fallopian tube, especially for a patient with serious hydrotropy and obvious expansion of the lumen, the spring ring is very easy to shift into the distally expanded fallopian tube when being applied for embolization, so that embolization failure is caused, in addition, when the release position of the spring ring is too close to the uterine cavity, the risk of shifting into the uterine cavity exists, at the moment, the hysteroscope is needed to take out, the economic burden and the wound of the patient are aggravated, meanwhile, the extension diameter of the spring ring is the effective diameter of the embolization because the spring ring extension diameter is fixed, and sometimes the fallopian tube lumen can not form compact embolization, so that the embolization effect is poor, and for this reason we propose a balloon catheter capable of releasing threads.
Disclosure of Invention
The utility model aims at: in order to solve the problem that the diameter of the spring ring is fixed, and a compact embolism cannot be formed with the lumen of the fallopian tube, so that the embolism effect is poor, the releasable threaded balloon catheter is provided.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a can release screw balloon pipe, includes the silica gel sacculus that is used for carrying out embolism to the oviduct, the both ends symmetry fixedly connected with distal end x-ray-proof mark ring, proximal end x-ray-proof mark ring of silica gel sacculus, the inner chamber of proximal end x-ray-proof mark ring and the inner chamber of silica gel sacculus link up each other, distal end x-ray-proof mark ring, proximal end x-ray-proof mark ring are used for carrying out real-time mark to the position of silica gel sacculus, the outer wall shaping of silica gel sacculus has outer wall screw thread, outer wall screw thread is used for increasing the frictional force between silica gel sacculus and the oviduct pipe wall; the inner wall of one end of the silica gel balloon close to the near-end x-ray-impermeable marking ring is provided with a one-way valve mechanism, and the one-way valve mechanism is used for preventing gas flowing to the inner cavity of the silica gel balloon from flowing back; the one-way valve mechanism comprises: the sealing elastic piece is fixedly connected to the inner wall of one end of the silica gel balloon, the exhaust port is formed in one end of the sealing elastic piece, the outer walls of the two sides of the sealing elastic piece, which are located at the exhaust port, are mutually overlapped, and the sealing elastic piece is used for infusing gas into the silica gel balloon through the exhaust port.
As still further aspects of the utility model: the one end that the nearly end is not transparent x line mark ring kept away from the silica gel sacculus is fixedly connected with damping sleeve pipe, damping sleeve pipe's inner wall has cup jointed 2.4F microcatheter, 2.4F microcatheter extends to damping sleeve pipe and keeps away from the one end outer wall of nearly end is not transparent x line mark ring.
As still further aspects of the utility model: the inside shaping of 2.4F microcatheter has the microcatheter lumen, 2.4F microcatheter one end outer wall shaping has the Y type valve, the inner chamber of Y type valve and microcatheter lumen link up each other, 2.4F microcatheter, Y type valve are used for infusing gas to the inner chamber of silica gel sacculus and make its inflation contact with the oviduct pipe wall.
As still further aspects of the utility model: one end of the 2.4F microcatheter is provided with a microcatheter port in a forming mode, an inner cavity of the microcatheter port is communicated with a microcatheter cavity, a sealing cover is sleeved on the outer wall of one end of the microcatheter port, and the microcatheter port is used for supporting and pressing and limiting the silica gel balloon in cooperation with a follow-up filament.
As still further aspects of the utility model: the damping sleeve is tightly contacted with the 2.4F micro-catheter, and the damping sleeve is used for releasing and separating the silica gel saccule from the 2.4F micro-catheter.
Compared with the prior art, the utility model has the beneficial effects that:
through setting up outer wall screw thread, promote damping sleeve through 2.4F microcatheter and remove, make the silica gel sacculus remove to appointed position department, at this moment and make the inside of high-pressure rifle pump to 2.4F microcatheter fill gas through Y type valve, simultaneously through microcatheter port, microcatheter lumen, the cooperation of check valve mechanism, can make the silica gel sacculus contact with the oviduct pipe wall through the inflation, the phenomenon that the silica gel sacculus can avoid droing through outer wall screw thread simultaneously, then mutually support with above-mentioned part through the filament, can take out 2.4F microcatheter, simultaneously because the compliance of silica gel sacculus is big, consequently, the silica gel sacculus can be according to patient's oviduct pipe wall adjustment diameter, thereby reach the effect to the oviduct is fully blocked.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of a silicone balloon and 2.4F microcatheter of the present utility model;
FIG. 3 is an enlarged schematic view of a portion of FIG. 2 in accordance with the present utility model;
FIG. 4 is a schematic cross-sectional view of a seal spring according to the present utility model.
In the figure: 1. a silica gel balloon; 11. an outer wall thread; 2. a distal radiopaque marker ring; 3. a proximal radiopaque marker ring; 4. 2.4F microcatheter; 41. a microcatheter lumen; 5. a Y-valve; 6. a microcatheter port; 7. damping sleeve; 8. a one-way valve mechanism; 81. an exhaust port; 82. and a sealing elastic member.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, in an embodiment of the present utility model, a releasable threaded balloon catheter includes a silica gel balloon 1 for embolizing a fallopian tube, two ends of the silica gel balloon 1 are symmetrically and fixedly connected with a distal x-ray impermeable marking ring 2 and a proximal x-ray impermeable marking ring 3, an inner cavity of the proximal x-ray impermeable marking ring 3 is mutually communicated with an inner cavity of the silica gel balloon 1, the distal x-ray impermeable marking ring 2 and the proximal x-ray impermeable marking ring 3 are used for marking a position of the silica gel balloon 1 in real time, an outer wall thread 11 is formed on an outer wall of the silica gel balloon 1, and the outer wall thread 11 is used for increasing friction force between the silica gel balloon 1 and a fallopian tube wall; the inner wall of one end of the silica gel balloon 1, which is close to the near end and is not transparent to the x-ray marking ring 3, is provided with a one-way valve mechanism 8, and the one-way valve mechanism 8 is used for avoiding the backflow of gas flowing to the inner cavity of the silica gel balloon 1; the check valve mechanism 8 comprises: the sealing elastic piece 82 fixedly connected to the inner wall of one end of the silica gel balloon 1, the exhaust port 81 is formed at one end of the sealing elastic piece 82, the outer walls of two sides of the sealing elastic piece 82, which are located at the exhaust port 81, are mutually overlapped, the sealing elastic piece 82 is used for infusing gas into the silica gel balloon 1 through the exhaust port 81, one end, far away from the silica gel balloon 1, of the near-end radio-opaque marker ring 3 is fixedly connected with the damping sleeve 7, the inner wall of the damping sleeve 7 is sleeved with the 2.4F micro-catheter 4,2.4F, the micro-catheter 4 extends to the outer wall, far away from the near-end radio-opaque marker ring 3, of the damping sleeve 7, the inner cavity of the 2.4F micro-catheter 4 is formed with the micro-catheter tube cavity 41,2.4F, the outer wall of one end of the micro-catheter 4 is formed with the Y-shaped valve 5, the inner cavity of the Y-shaped valve 5 is mutually communicated with the micro-catheter tube cavity 41, the inner cavity of the 2.4F micro-catheter 4 and the Y-shaped valve 5 are used for infusing gas into the inner cavity of the silica gel balloon 1 to enable the gas to expand and contact with the fallopian tube wall, one end of the 2.4F micro-catheter 4 is formed with the micro-catheter port 6, the inner cavity of the micro-catheter 6 is sleeved with the sealing cap 41, the inner cavity of the micro-catheter port 41 is mutually communicated with the micro-catheter tube wall, and the micro-catheter port 6 is mutually matched with the micro-catheter port 6, and the micro-catheter port 1, and the micro-catheter 1 is mutually pressed with the micro-catheter port 1.
In this embodiment: when the device is used, the damping sleeve 7 is pushed to move through the 2.4F micro-catheter 4, meanwhile, the near-end X-ray-impermeable marking ring 3 is pushed to move through the silica gel balloon 1 under the pushing of the damping sleeve 7, and the silica gel balloon 1 can be gradually moved to a designated position along the wall of a fallopian tube, so that special explanation is needed: the doctor observes the condition in the oviduct of the patient through the mutual coordination of the contrast machine and the developer, and in the process, the doctor can observe the position of the silica gel balloon 1 through the contrast machine through the marks of the far-end X-ray impermeable marking ring 2 and the near-end X-ray impermeable marking ring 3.
When the silica gel balloon 1 moves to the appointed position, the hose connected with the output end of the high-pressure gun pump is connected with the port of the Y-shaped valve 5 at this time, then the high-pressure gun pump is enabled to be filled with gas to the inside of the 2.4F micro-catheter 4 through the Y-shaped valve 5, meanwhile, the gas is blocked by the sealing cover, the silica gel balloon 1 is infused to the inner wall of the silica gel balloon 1 along the inner wall of the micro-catheter lumen 41, in the process, the gas pressure inside the micro-catheter lumen 41 and the sealing elastic member 82 is gradually increased due to the gradual increase of the gas infused to the inside of the micro-catheter lumen 41 through the Y-shaped valve 5, when the gas pressure inside the sealing elastic member 82 is larger than the elasticity of the sealing elastic member 82, at this time, the exhaust port 81 is opened under the thrust of the internal gas pressure inside the micro-catheter lumen 41 and the sealing elastic member 82, meanwhile, the gas inside the micro-catheter lumen 41 passes through the sealing elastic member 82 and enters the inside the silica gel balloon 1, at this time, the silica gel balloon 1 is inflated through the gradual increase of the internal gas, when the outer wall thread 11 is enabled to be contacted with the wall of the silica gel balloon 1 through the inflation, the inner wall of the outer wall of the silica gel balloon, the inner wall of the Y-shaped valve is stopped, the gas can be automatically inflated, the phenomenon that the inner wall of the sealing elastic member 1 is enabled to be overlapped with the inner wall of the sealing elastic member 1, and the inner wall of the silica gel balloon is enabled, and the inner wall of the sealing elastic member is enabled to be simultaneously, the inner wall of the sealing valve is enabled to be formed, and the inner wall of the sealing space is enabled is simultaneously is enabled to be automatically and the sealing the inner wall is made and the inner wall and the sealing wall is made and the inner wall is made.
Then the sealing cover is opened to enable the filament to penetrate through the interior of the microcatheter port 6 and contact with the outer wall of the sealing elastic piece 82 along the inner wall of the microcatheter lumen 41, then the sealing elastic piece 82 is resisted by the filament, meanwhile, the 2.4F microcatheter 4 is pulled by force, in the process, the 2.4F microcatheter 4 is gradually moved along the inner wall of the damping sleeve 7 under the pulling of a doctor due to the damping effect between the 2.4F microcatheter 4 and the damping sleeve 7, when the 2.4F microcatheter 4 is completely pulled out of the damping sleeve 7, the 2.4F microcatheter 4 and the filament can be simultaneously pulled out of a patient, and meanwhile, the silica gel balloon 1 can adjust the diameter according to the wall of the fallopian tube of the patient due to large compliance of the silica gel balloon 1 remained in the patient, so that the effect of completely blocking the fallopian tube is achieved.
Referring to fig. 2-3, the damping sleeve 7 is in close contact with the 2.4F microcatheter 4, and the damping sleeve 7 is used for releasing and separating the silica gel balloon 1 from the 2.4F microcatheter 4.
In this embodiment: by the close contact between the damping sleeve 7 and the 2.4F micro-catheter 4, a damping value can be generated between the damping sleeve 7 and the 2.4F micro-catheter 4, so that the 2.4F micro-catheter 4 can not be separated from the damping sleeve 7 in the process of infusing gas or displacing in a patient.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The utility model provides a can release screw balloon pipe, including being used for carrying out the silica gel sacculus (1) of embolism to the oviduct, the both ends symmetry fixedly connected with distal end X-ray impermeable marking ring (2), proximal end X-ray impermeable marking ring (3), the inner chamber of proximal end X-ray impermeable marking ring (3) and the inner chamber of silica gel sacculus (1) link up each other, distal end X-ray impermeable marking ring (2), proximal end X-ray impermeable marking ring (3) are used for carrying out real-time mark to the position of silica gel sacculus (1), characterized in that, the outer wall shaping of silica gel sacculus (1) has outer wall screw thread (11), outer wall screw thread (11) are used for increasing frictional force between silica gel sacculus (1) and the oviduct pipe wall;
the inner wall of one end, close to the near end, of the silica gel balloon (1) and impermeable to the X-ray marking ring (3) is provided with a one-way valve mechanism (8), and the one-way valve mechanism (8) is used for preventing gas flowing to the inner cavity of the silica gel balloon (1) from flowing back;
the one-way valve mechanism (8) comprises:
the sealing elastic piece (82) is fixedly connected to the inner wall of one end of the silica gel balloon (1), the exhaust port (81) is formed in one end of the sealing elastic piece (82), the outer walls of two sides of the sealing elastic piece (82) located at the exhaust port (81) are mutually overlapped, and the sealing elastic piece (82) is used for infusing gas into the silica gel balloon (1) through the exhaust port (81).
2. The releasable threaded balloon catheter according to claim 1, wherein the end of the proximal X-ray opaque marker ring (3) away from the silica gel balloon (1) is fixedly connected with a damping sleeve (7), the inner wall of the damping sleeve (7) is sleeved with a 2.4F microcatheter (4), and the 2.4F microcatheter (4) extends to the outer wall of the damping sleeve (7) at the end away from the proximal X-ray opaque marker ring (3).
3. The releasable thread balloon catheter according to claim 2, wherein a microcatheter lumen (41) is formed in the 2.4F microcatheter (4), a Y-shaped valve (5) is formed on the outer wall of one end of the 2.4F microcatheter (4), the inner cavity of the Y-shaped valve (5) is communicated with the microcatheter lumen (41), and the 2.4F microcatheter (4) and the Y-shaped valve (5) are used for infusing gas into the inner cavity of the silicone balloon (1) to expand the same to be in contact with the wall of a fallopian tube.
4. A releasable threaded balloon catheter according to claim 3, characterized in that a microcatheter port (6) is formed at one end of the 2.4F microcatheter (4), the inner cavity of the microcatheter port (6) is mutually communicated with the microcatheter lumen (41), a sealing cover is sleeved on the outer wall of one end of the microcatheter port (6), and the microcatheter port (6) is used for supporting and pressing and limiting the silica gel balloon (1) in cooperation with a subsequent filament.
5. A releasable threaded balloon catheter according to claim 2, characterized in that the damping sleeve (7) is in close contact with the 2.4F microcatheter (4), the damping sleeve (7) being used for the release of the silicone balloon (1) from the 2.4F microcatheter (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320391166.5U CN219398658U (en) | 2023-03-02 | 2023-03-02 | Balloon catheter capable of releasing threads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320391166.5U CN219398658U (en) | 2023-03-02 | 2023-03-02 | Balloon catheter capable of releasing threads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219398658U true CN219398658U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320391166.5U Active CN219398658U (en) | 2023-03-02 | 2023-03-02 | Balloon catheter capable of releasing threads |
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| CN (1) | CN219398658U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117065188A (en) * | 2023-09-26 | 2023-11-17 | 安徽库派医疗科技有限公司 | Ileus catheter with pressure sensing function |
-
2023
- 2023-03-02 CN CN202320391166.5U patent/CN219398658U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117065188A (en) * | 2023-09-26 | 2023-11-17 | 安徽库派医疗科技有限公司 | Ileus catheter with pressure sensing function |
| CN117065188B (en) * | 2023-09-26 | 2024-02-23 | 安徽库派医疗科技有限公司 | Ileus catheter with pressure sensing function |
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