CN209751901U - Double-balloon thrombus suction catheter - Google Patents
Double-balloon thrombus suction catheter Download PDFInfo
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- CN209751901U CN209751901U CN201820474857.0U CN201820474857U CN209751901U CN 209751901 U CN209751901 U CN 209751901U CN 201820474857 U CN201820474857 U CN 201820474857U CN 209751901 U CN209751901 U CN 209751901U
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Abstract
The utility model belongs to the field of medical instruments, discloses a thrombus suction catheter with double balloons, and solves the problem that lesion thrombus spreads to the near end and the far end in the operation of the existing thrombus suction catheter; meanwhile, the problems of risk and high cost caused by installation of the endoscope pulse filter in the operation are solved, and the efficiency and the safety of the operation are improved. The utility model discloses a first sacculus (2), second sacculus (3), four-chamber pipe (5), the distal end entry that thrombus suction pipe was stretched out in wire chamber (4) in four-chamber pipe (5), and the shutoff of distal end entry in fluid infusion chamber (8), negative pressure suction chamber (6) and sacculus pressurization chamber (7), first sacculus (2) and second sacculus (3) longitudinal connection are on four-chamber pipe (5), and are equipped with two first through-holes that link up sacculus pressurization chamber (7) on the pipe wall of four-chamber pipe (5), and first sacculus (2) and second sacculus (3) link up sacculus pressurization chamber (7) through first through-hole respectively.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to thrombus suction catheter of two sacculuss.
Background
The blood vessel of a human body is usually blocked due to the existence of thrombus, so that tissue necrosis is formed due to ischemia of local tissues, the health of the human body is greatly influenced, and in order to solve the problem caused by thrombus blockage, a thrombus suction catheter is often used in the medical field.
The existing thrombus suction catheter generally adopts a double-cavity tube, wherein an inner cavity of the double-cavity tube is used for passing through a guide wire, and an outer cavity of the double-cavity tube is used for sucking thrombus. Because of this, in order to prevent the risk of thrombus diffusion, some operations require the placement of a vena cava filter, which is expensive, and the trouble of placement during the operation increases the time and risk of the operation.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model aims to provide a thrombus suction catheter with double saccules. Has simple structure, is easy to install and operate during operation, and greatly increases the safety during the operation.
In order to achieve the above effect, the utility model adopts the technical scheme that:
The utility model discloses a thrombus suction catheter with double balloons, which comprises a first balloon, a second balloon and a four-chamber tube, wherein the four-chamber tube comprises a fluid infusion cavity, a negative pressure suction cavity, a balloon pressurization cavity and a wire guide cavity which all extend from a near-end outlet to a far-end inlet; the first sacculus and the second sacculus are longitudinally connected to the four-cavity tube in the axial direction, two first through holes penetrating through the sacculus pressurizing cavity are formed in the tube wall of the four-cavity tube, and the first sacculus and the second sacculus penetrate through the sacculus pressurizing cavity through the first through holes respectively.
The device comprises a four-cavity tube, a liquid supplementing cavity, a negative pressure suction cavity, a balloon pressurization cavity, a first through hole, a second through hole, a positive pressure liquid, a first balloon and a second balloon, wherein the distal end inlet of the four-cavity tube is slightly longer than the liquid supplementing cavity, the negative pressure suction cavity and the balloon pressurization cavity and used for guiding a catheter to enter a thrombus lesion, in addition, the inlets of the liquid supplementing cavity, the negative pressure suction cavity and the balloon pressurization cavity are blocked and do not extend to the foremost end of the distal end of the guidewire cavity, the influence on the guiding of the guidewire cavity is avoided, two first through holes which are formed in the wall of the four-cavity tube and penetrate through the balloon pressurization cavity are used for adding the positive pressure liquid to the first balloon and the second balloon, the first balloon and the second balloon are in a folding state when not working, the lesion is reached. In addition, the first balloon and the second balloon act as a vena cava filter during operation, and the problems of trouble and risk caused by the placement of the vena cava filter during operation and high cost of the vena cava filter are avoided.
Preferably, the tube wall of the four-lumen tube is respectively provided with a second through hole penetrating through the fluid infusion cavity and a third through hole penetrating through the negative pressure suction cavity, the second through hole and the third through hole are both arranged between the first balloon and the second balloon, the fluid infusion cavity is used for supplementing heparin water and balancing the space left by the pumped thrombus and can be used for injecting liquids such as urokinase and the like to dissolve the thrombus before the balloons are opened, and the negative pressure suction cavity is mainly used for increasing the negative pressure suction thrombus.
Preferably, the thrombus suction catheter further comprises a tube seat, the tube seat is connected with the outlets of the near ends of the four-cavity tubes, and four cavity channels are arranged at the connecting positions of the tube seat and the four-cavity tubes and are respectively communicated with the fluid infusion cavity, the negative pressure suction cavity, the balloon pressurization cavity and the guide wire cavity.
Preferably, the cross section of the negative pressure suction cavity is Y-shaped and forms three grooves, the fluid infusion cavity, the balloon pressurization cavity and the guide wire cavity are respectively arranged in the three grooves, and the cross section area, namely the occupied area, of the catheter is reduced by designing a Y-shaped pipeline.
preferably, the first balloon and the second balloon are both spherical inflatable balloons, and the spherical balloons facilitate rapid contraction of the balloon upon suction of air pressure.
Preferably, the balloon pressurization cavity adopts a luer connector connected with the two first through holes, and a Y-shaped hemostatic valve is adopted at the connection part of the guide wire cavity and the proximal end outlet of the tube seat. Luer connector can switch four infusion bags under the prerequisite of not plug patient's transfusion needle to reduce the wound on the patient, the "Y type" hemostasis valve is the tee bend interface, and the cooperation is inseparable, uses reliably, the operability is good, but one-hand operation reduces the blood loss volume.
Preferably, the first balloon and the second balloon are provided with developing rings inside for indicating the position reached by the balloons.
The utility model has the advantages that:
1. The thrombus is prevented from spreading to the near end and the far end, and the occurrence of complications is reduced;
2. The missing thrombus is balanced, and the efficiency and the safety of the operation are improved;
3. The use of a vena cava filter is reduced, and the operation cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Figure 2 is a cross-sectional view of the four-lumen tube of the present invention.
In the figure: 1-tube seat; 2-a first balloon; 3-a second balloon; 4-a guidewire lumen; 5-four lumen tube; 6-negative pressure suction cavity; 7-balloon compression lumen; 8-fluid infusion cavity.
Detailed Description
In order to make the technical solutions and advantages of the present invention more clearly understood, the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, the present invention provides a double-balloon thrombus aspiration catheter, comprising: the four-cavity balloon comprises a tube seat 1, a first balloon 2, a second balloon 3 and a four-cavity tube 5, wherein the tube seat 1 is connected with a near-end outlet of the four-cavity tube 5, and four cavity channels are arranged at the connecting positions of the tube seat 1 and the four-cavity tube 5 and are respectively connected with the four cavity channels of the four-cavity tube 5; the four cavities are respectively a fluid infusion cavity 8, a negative pressure suction cavity 6, a balloon pressurization cavity 7 and a guide wire cavity 4, the guide wire cavity 4 extends out of the far-end inlet of the thrombus suction catheter, and the extending part of the far-end inlet of the four-cavity tube 5 is only provided with the guide wire cavity 4; the guidewire cavity 4 in the four-cavity tube 5 extends out of a far-end inlet which is slightly longer than the fluid infusion cavity 8, the negative pressure suction cavity 6 and the balloon pressurization cavity 7, and in addition, the far-end inlets of the fluid infusion cavity 8, the negative pressure suction cavity 6 and the balloon pressurization cavity 7 are blocked and do not extend to the foremost end of the far-end inlet of the guidewire cavity 4, so that a guidewire can conveniently guide the catheter to reach a thrombus lesion; the first sacculus 2 and the second sacculus 3 are longitudinally connected to the four-cavity tube 5 in the axial direction, and are used for blocking diffusion of lesion thrombus, the two sacculus are normally in a folding state, and can be opened by positive pressure liquid at the sacculus pressurizing cavity 7 to enter a working state only when reaching a lesion, so that the near end and the far end of the lesion thrombus are closed, diffusion of thrombus at two ends is prevented, and the probability of causing complications is reduced.
In the embodiment, two first through holes penetrating through the balloon pressurizing cavity 7 are formed in the tube wall of the four-chamber tube 5, the first balloon 2 and the second balloon 3 respectively penetrate through the balloon pressurizing cavity 7 through the first through holes, at the moment, the first balloon 2, the second balloon 3 and the balloon pressurizing cavity 7 are mutually communicated, positive pressure liquid is applied to the balloons through a balloon pressurizing cavity channel, and the balloons in a winding and folding state at ordinary times are opened to block blood flow; the tube wall of the four-cavity tube 5 is respectively provided with a second through hole which penetrates through the fluid infusion cavity 8 and a third through hole of the negative pressure suction cavity 6, the second through hole and the third through hole are both arranged between the first balloon 2 and the second balloon 3, the fluid infusion cavity 8 is used for supplementing heparin water, balancing the space left by the pumped thrombus and can be used for injecting liquids such as urokinase and the like for thrombolysis before the balloons are opened; the function of the negative pressure suction cavity 6 is mainly to increase negative pressure suction thrombus. The four-cavity tube 5 is additionally provided with a fluid infusion cavity and a balloon pressurizing cavity in the existing cavity, the existing thrombus suction catheter is basically a double-cavity tube, the inner cavity is used for guiding a thread, the outer cavity is used for sucking thrombus, and the added balloon pressurizing cavity 7 in the embodiment can quickly pressurize the balloon before an operation so that the balloon immediately enters a working state without being connected with other channels, so that the operation time and risk are reduced. And when thrombus is taken away, some lost space can be left in human blood, and the time is too long, so that human discomfort and even life danger can be caused, and then heparin water can be supplemented through the liquid supplementing cavity 8, so that the space left by the thrombus is balanced, and the safety of the operation is improved.
In the embodiment, aiming at the problem that the thrombus diffusion at the near end and the far end is difficult to control and the thrombus suction effect is not ideal in the prior art, the thrombus suction catheter with the double balloons is provided, the second balloon 3 far away from the far end inlet is inflated before thrombus suction, so that the blood flow can be blocked, the blood fluidity can be reduced, the suction pressure can be increased during suction, the thrombus suction effect is greatly improved, meanwhile, the second balloon 3 is mainly used for controlling the thrombus diffusion to the near end and is equivalent to the function of a vena cava filter, the trouble and risk caused by the placement of the vena cava filter during operation can be avoided, the problem that the vena cava filter is expensive can be solved, and the operation cost is reduced; first sacculus 2 and second sacculus 3 are the chargeable gasbag of ball-type, and the ball-type is convenient the utricule contracts rapidly when pumping the pneumatics, and the compliance is better, can expand after pressurizing, tightly wraps up in the size that does not increase the thrombus pipe on the thrombus suction pipe when not pressurizing, and the utricule can increase along with the increase area of pressure after filling into certain pressure to some extent, reaches the effect of closed thrombus.
Preferably, the cross section of the negative pressure suction cavity 6 is Y-shaped and forms three grooves, the fluid infusion cavity 8, the balloon pressurization cavity 7 and the guide wire cavity 4 are respectively arranged in the three grooves, and the Y-shaped pipeline is designed to reduce the cross-sectional area, namely the occupied area, of the catheter, so that the instrument is convenient to carry. The balloon pressurization cavity 7 adopts a luer connector connected with the two first through holes, a Y-shaped hemostatic valve is adopted at the connection part of the guide wire cavity 4 and the near-end outlet of the tube seat 1, and the luer connector can be used for switching 4 infusion bags on the premise of not plugging and unplugging infusion needles of patients, so that the wounds on the patients are reduced; the Y-shaped hemostatic valve is a three-way interface, is tightly matched, is reliable to use, has good operability, can be operated by one hand, and reduces the blood loss.
Preferably, a developing ring is arranged inside each of the first balloon 2 and the second balloon 3, and can be used for indicating the position reached by the balloons. The developing mark is mainly used for displaying the position when the guide wire guides the catheter to enter the pathological changes, the position of the catheter entering the pathological changes can be adjusted according to the developing position, and meanwhile, the developing mark can be used for observing the diffusion degree of thrombus at the near end and the far end when the balloon pressurization cavity 7 applies positive pressure liquid to the two balloons to adjust the amount of the pressurized liquid, and controlling the diameter of the balloons.
The working principle of the embodiment is that when the double-balloon thrombus suction catheter works, the catheter enters a designated position along the guide wire in the guide wire cavity, when the catheter reaches a lesion, the balloon pressurization cavity 7 charges positive hydraulic pressure to the first balloon 2 and the second balloon 3 until the pressure required by balloon plugging is reached, the two balloons are opened simultaneously at the moment to block blood flow and seal lesion thrombus at the near end and the far end, then the thrombus at the lesion part is sucked into the suction device under the action of the negative pressure suction cavity 6, heparin water is supplemented through the action of the liquid supplementing cavity 8, missing water is filled, and the space left by the sucked thrombus is balanced.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (7)
1. A double-balloon thrombus aspiration catheter is characterized in that: comprises a first balloon (2), a second balloon (3) and a four-lumen tube (5), the four-cavity tube (5) comprises a fluid infusion cavity (8), a negative pressure suction cavity (6), a balloon pressurization cavity (7) and a guide wire cavity (4) which all extend from a near-end outlet to a far-end inlet, the guide wire cavity (4) extends out of the far-end inlet of the thrombus suction catheter, the distal-end inlets of the fluid infusion cavity (8), the negative pressure suction cavity (6) and the balloon pressurization cavity (7) are blocked, the first balloon (2) and the second balloon (3) are longitudinally connected on a four-lumen tube (5), two first through holes which penetrate through the balloon pressurization cavity (7) are arranged on the tube wall of the four-cavity tube (5), the first balloon (2) and the second balloon (3) respectively penetrate through the balloon pressurization cavity (7) through the first through holes, the tube wall of the four-cavity tube (5) is respectively provided with a second through hole which penetrates through the fluid infusion cavity (8) and a third through hole which penetrates through the negative pressure suction cavity (6); the cross section of the negative pressure suction cavity (6) is Y-shaped and forms three grooves, and the fluid infusion cavity (8), the balloon pressurization cavity (7) and the guide wire cavity (4) are respectively arranged in the three grooves.
2. A double-balloon thrombus aspiration catheter according to claim 1 wherein: the second through hole and the third through hole are arranged between the first balloon (2) and the second balloon (3).
3. A double-balloon thrombus aspiration catheter according to claim 1 wherein: the thrombus suction catheter further comprises a tube seat (1), wherein the tube seat (1) is connected with a near-end outlet of the four-cavity tube (5), and four cavity channels are arranged at the connection positions of the tube seat (1) and the four-cavity tube (5) and are respectively communicated with the fluid infusion cavity (8), the negative pressure suction cavity (6), the balloon pressurization cavity (7) and the guide wire cavity (4).
4. A double-balloon thrombus aspiration catheter according to claim 1 wherein: the first balloon (2) is close to the distal inlet, and the second balloon (3) is far away from the distal inlet.
5. A double-balloon thrombus aspiration catheter according to claim 1 wherein: the first balloon (2) and the second balloon (3) are both spherical inflatable balloons.
6. a double-balloon thrombus aspiration catheter according to claim 3, wherein: the balloon pressurization cavity (7) is respectively connected with the two first through holes by adopting Ruhr connectors, and the connection part of the guide wire cavity (4) and the near-end outlet of the tube seat (1) adopts a Y-shaped hemostatic valve.
7. A double-balloon thrombus aspiration catheter according to claim 1 wherein: developing rings are arranged inside the first sacculus (2) and the second sacculus (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820474857.0U CN209751901U (en) | 2018-04-04 | 2018-04-04 | Double-balloon thrombus suction catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820474857.0U CN209751901U (en) | 2018-04-04 | 2018-04-04 | Double-balloon thrombus suction catheter |
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| Publication Number | Publication Date |
|---|---|
| CN209751901U true CN209751901U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820474857.0U Active CN209751901U (en) | 2018-04-04 | 2018-04-04 | Double-balloon thrombus suction catheter |
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| CN (1) | CN209751901U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111166426A (en) * | 2020-02-20 | 2020-05-19 | 山东大学齐鲁医院 | Local thrombolysis thrombus extraction device suitable for venous thrombolysis contraindication and use method thereof |
| CN111658970A (en) * | 2020-06-23 | 2020-09-15 | 牛铁生 | Double-balloon catheter |
| CN113331908A (en) * | 2021-03-16 | 2021-09-03 | 上海玮沐医疗科技有限公司 | Thrombus suction system of double-balloon ultrasonic catheter and application thereof |
| CN117017419A (en) * | 2023-08-01 | 2023-11-10 | 上海心弘生命科学有限公司 | Thrombus aspiration catheter, device and system |
| 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 |
| CN117860342A (en) * | 2024-03-08 | 2024-04-12 | 上海佳沐垚医疗科技有限公司 | Suction ultrasonic recanalization catheter system |
-
2018
- 2018-04-04 CN CN201820474857.0U patent/CN209751901U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111166426A (en) * | 2020-02-20 | 2020-05-19 | 山东大学齐鲁医院 | Local thrombolysis thrombus extraction device suitable for venous thrombolysis contraindication and use method thereof |
| CN111166426B (en) * | 2020-02-20 | 2021-10-19 | 山东大学齐鲁医院 | Local thrombolysis thrombus extraction device suitable for venous thrombolysis contraindication and use method thereof |
| CN111658970A (en) * | 2020-06-23 | 2020-09-15 | 牛铁生 | Double-balloon catheter |
| CN113331908A (en) * | 2021-03-16 | 2021-09-03 | 上海玮沐医疗科技有限公司 | Thrombus suction system of double-balloon ultrasonic catheter and application thereof |
| CN117017419A (en) * | 2023-08-01 | 2023-11-10 | 上海心弘生命科学有限公司 | Thrombus aspiration catheter, device and system |
| 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 |
| CN117860342A (en) * | 2024-03-08 | 2024-04-12 | 上海佳沐垚医疗科技有限公司 | Suction ultrasonic recanalization catheter system |
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Address after: 215300 floor 12, building 1, China railway construction building, No. 88, Guangming Road, Huaqiao Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Kunshan Jintai Medical Technology Co., Ltd Address before: 100000 A529 three, floor 14, Cui Wei Zhong Li, Haidian District, Beijing. Patentee before: Beijing Jintai Creative Technology Limited |