CN110681034A - Circulating medicine perfusion catheter - Google Patents

Circulating medicine perfusion catheter Download PDF

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Publication number
CN110681034A
CN110681034A CN201911076202.3A CN201911076202A CN110681034A CN 110681034 A CN110681034 A CN 110681034A CN 201911076202 A CN201911076202 A CN 201911076202A CN 110681034 A CN110681034 A CN 110681034A
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CN
China
Prior art keywords
catheter
plugging
liquid medicine
blocking
far
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911076202.3A
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Chinese (zh)
Inventor
徐佑龙
张江翔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Hui Da Medical Devices Co Ltd
Original Assignee
Shanghai Hui Da Medical Devices Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Hui Da Medical Devices Co Ltd filed Critical Shanghai Hui Da Medical Devices Co Ltd
Priority to CN201911076202.3A priority Critical patent/CN110681034A/en
Publication of CN110681034A publication Critical patent/CN110681034A/en
Pending legal-status Critical Current

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    • 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
    • A61M25/1011—Multiple balloon catheters
    • 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
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M25/0026—Multi-lumen catheters with stationary elements
    • 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
    • A61M25/104—Balloon catheters used for angioplasty
    • 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
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M25/0026—Multi-lumen catheters with stationary elements
    • A61M2025/004—Multi-lumen catheters with stationary elements characterized by lumina being arranged circumferentially
    • 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
    • A61M25/1011—Multiple balloon catheters
    • A61M2025/1013—Multiple balloon catheters with concentrically mounted balloons, e.g. being independently inflatable
    • 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
    • A61M2025/1043—Balloon catheters with special features or adapted for special applications
    • A61M2025/1052—Balloon catheters with special features or adapted for special applications for temporarily occluding a vessel for isolating a sector
    • 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
    • A61M2025/1043—Balloon catheters with special features or adapted for special applications
    • A61M2025/1072—Balloon catheters with special features or adapted for special applications having balloons with two or more compartments
    • 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
    • A61M2025/1043—Balloon catheters with special features or adapted for special applications
    • A61M2025/1079—Balloon catheters with special features or adapted for special applications having radio-opaque markers in the region of the balloon

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Child & Adolescent Psychology (AREA)
  • Vascular Medicine (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

The invention relates to a circulating type drug perfusion catheter, which comprises a plugging perfusion catheter and a plugging reflux catheter, wherein a liquid medicine perfusion cavity, a contrast agent cavity and a guide wire cavity are arranged in the plugging perfusion catheter, a far-end plugging balloon is arranged at the far end of the plugging perfusion catheter, a far-end plugging developing ring cavity is arranged in the far-end plugging balloon, the contrast agent cavity is communicated with the far-end plugging developing ring cavity, a sleeve cavity is arranged in the plugging reflux catheter, the blocking reflux catheter is sleeved outside the blocking perfusion catheter through the cannula lumen, a near-end blocking balloon is arranged at the far end of the blocking reflux catheter, a near-end blocking developing ring cavity is arranged inside the near-end blocking balloon, the second contrast agent lumen is communicated with the near-end blocking developing ring cavity, a liquid medicine release port communicated with the liquid medicine perfusion lumen is arranged on the blocking perfusion catheter, and a liquid medicine reflux port communicated with the liquid medicine reflux lumen is arranged at the far end of the blocking reflux catheter. The invention can realize accurate and continuous drug circulation perfusion on the focus position.

Description

Circulating medicine perfusion catheter
Technical Field
The invention belongs to the technical field of perfusion catheter medical instruments, and particularly relates to a circulating type drug perfusion catheter.
Background
The existing drug perfusion balloon has relatively wide application in clinic, and particularly has advantages in the lesions such as restenosis, bifurcation lesion, small blood vessel and the like in a stent.
The existing drug perfusion sacculus forms supporting matching with the inner wall of a blood vessel through the inflatable expansion of the sacculus arranged at intervals, and a drug perfusion cavity is formed between the sacculus and corresponds to a focus position. However, the drug perfusion balloon has the defects that the dose of drug perfusion is limited during each operation, the disadvantages of unstable drug release and absorption and long coronary artery occlusion time exist, and the safety and the effectiveness of the operation are restricted.
Disclosure of Invention
The invention aims to provide a circulating type medicine perfusion catheter, which realizes accurate and continuous medicine circulation perfusion on a focus position, and is beneficial to improving the medicine absorption effect and shortening the coronary artery occlusion time.
The technical scheme adopted by the invention for solving the technical problems is to provide a circulating type drug perfusion catheter, which comprises a plugging perfusion catheter and a plugging backflow catheter, wherein a liquid medicine perfusion cavity, a first contrast agent cavity and a guide wire cavity are arranged in the plugging perfusion catheter, the far end of the plugging perfusion catheter is provided with an inflatable far-end plugging balloon, a far-end plugging developing ring cavity is arranged in the far-end plugging balloon, the first contrast agent cavity is communicated with the far-end plugging developing ring cavity through a first contrast agent release port, a sleeve cavity, a liquid medicine backflow cavity and a second contrast agent cavity are arranged in the plugging backflow catheter, the plugging backflow catheter is sleeved outside a catheter body of the plugging perfusion catheter through the sleeve cavity, the far end of the plugging backflow catheter is provided with an inflatable near-end plugging balloon, and a near-end plugging developing ring cavity is arranged in the near-end plugging balloon, the second contrast agent cavity is communicated with the near-end plugging developing ring cavity through a second contrast agent release port, a liquid medicine release port communicated with the liquid medicine filling cavity is formed in the tube body of the plugging perfusion catheter, the liquid medicine release port is located between the near-end plugging balloon and the far-end plugging balloon, and a liquid medicine backflow port communicated with the liquid medicine backflow cavity is formed in the far end of the plugging backflow catheter.
The guide wire cavity self-plugging perfusion catheter penetrates from the near end to the far end.
The proximal end of the plugging perfusion catheter is provided with a liquid medicine input port which is communicated with the liquid medicine perfusion cavity channel.
The proximal end of the plugging perfusion catheter is provided with a distal contrast agent input port which is communicated with the first contrast agent cavity.
The cannula cavity self-plugging backflow conduit penetrates from the near end to the far end.
The proximal end of the blocking reflux catheter is provided with a liquid medicine suction port which is communicated with the liquid medicine reflux cavity.
The near end of the blocking reflux duct is provided with a near-end contrast agent input port which is communicated with the second contrast agent cavity.
The liquid medicine releasing ports are distributed at intervals between the near-end plugging saccule and the far-end plugging saccule along the length direction of the plugging perfusion catheter tube body.
The liquid medicine release port is arranged on the tube body of the plugging perfusion catheter close to the distal plugging saccule.
Advantageous effects
Firstly, in the invention, the near-end plugging balloon and the far-end plugging balloon can be respectively positioned by radiography, and the near-end plugging balloon and the far-end plugging balloon can be respectively positioned at the front side and the back side of a coronary vessel in an operation, so that the accuracy of a medicine perfusion position can be ensured.
Secondly, in the invention, the proximal plugging saccule and the distal plugging saccule are inflated and expanded to form plugging by matching with the inner wall of the coronary artery, and a medicine perfusion cavity is formed between the proximal plugging saccule and the distal plugging saccule, so that the blood flow can be blocked to ensure that the medicine can be fully contacted with the vascular wall of a focus position, and the medicine absorption effect can be improved.
Thirdly, in the invention, a circulating perfusion structure which can continuously feed liquid medicine in and out is formed between the plugging perfusion catheter and the plugging backflow catheter, so that the limitation that the liquid medicine perfusion dosage is limited by the size of a medicine perfusion cavity formed between the proximal plugging balloon and the distal plugging balloon is eliminated, the continuous medicine circulating perfusion can be realized, the purpose of large-dosage liquid medicine perfusion in a short time is achieved, the dosage of liquid medicine release and absorption is improved, the operation effect is favorably improved, and the coronary artery plugging time is shortened.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic cross-sectional view of a portion a-a in fig. 1.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
A circulatory drug infusion catheter, as shown in figures 1 and 2, comprises an occlusion infusion catheter 1 and an occlusion return catheter 2.
The blocking perfusion catheter 1 is internally provided with a liquid medicine perfusion cavity channel 1-1, a first contrast agent cavity channel 1-2 and a guide wire cavity channel 1-3. Wherein, the guide wire cavity 1-3 penetrates from the near end to the far end of the plugging perfusion catheter 1 and is used for inserting the guide wire in the operation. The far end of the plugging perfusion catheter 1 is provided with an inflatable far-end plugging saccule 1-4, as shown in figure 2, a far-end plugging developing ring cavity 1-5 is arranged inside the far-end plugging saccule 1-4. The proximal end of the plugging perfusion catheter 1 is provided with a distal contrast input port 1-8, the distal contrast input port 1-8 is communicated with the proximal end of a first contrast cavity 1-2, and the distal end of the first contrast cavity 1-2 is communicated with a distal plugging developing ring cavity 1-5 through a first contrast release port 1-6. The contrast agent can be filled into the distal occlusion developing ring cavity 1-5 through the distal contrast agent input port 1-8, and the contrast agent is used for displaying the position of the distal occlusion balloon 1-4 in the operation.
The inside of the blocking reflux duct 2 is provided with a cannula cavity, a liquid medicine reflux cavity and a second contrast agent cavity. Wherein, the casing chamber way runs through to the distal end from the near-end of shutoff backward flow pipe 2, and shutoff backward flow pipe 2 passes through the casing chamber way dress cover in the body outside of shutoff perfusion catheter 1, and the anterior segment body of shutoff perfusion catheter 1 is worn out from shutoff backward flow pipe 2 distal end. The far end of the blocking reflux catheter 2 is provided with an inflatable near-end blocking saccule 2-1, and a near-end blocking developing ring cavity is arranged inside the near-end blocking saccule 2-1. The proximal end of the blocking reflux duct 2 is provided with a proximal contrast agent input port 2-3, the proximal contrast agent input port 2-3 is communicated with the proximal end of a second contrast agent cavity, and the distal end of the second contrast agent cavity is communicated with the proximal blocking developing ring cavity through a second contrast agent release port. The proximal blocking developing ring cavity can be filled with contrast agent through the proximal contrast agent input port 2-3, and the contrast agent is used for displaying the position of the proximal blocking balloon 2-1 in an operation.
The proximal end of the plugging perfusion catheter 1 is provided with a liquid medicine input port 1-7, and the liquid medicine input port 1-7 is communicated with the proximal end of the liquid medicine perfusion cavity 1-1. A liquid medicine release port communicated with the liquid medicine perfusion cavity 1-1 is arranged on the tube body of the plugging perfusion catheter 1, and the liquid medicine release port is positioned between the near-end plugging saccule 2-1 and the far-end plugging saccule 1-4. The liquid medicine releasing ports can be distributed at intervals between the near-end plugging saccule 2-1 and the far-end plugging saccule 1-4 along the length direction of the tube body of the plugging perfusion catheter 1, and can also be arranged on the tube body close to the far-end plugging saccule 1-4. The proximal end of the plugging backflow duct 2 is provided with a liquid medicine suction port 2-2, the liquid medicine suction port 2-2 is communicated with the proximal end of the liquid medicine backflow cavity, and the distal end of the plugging backflow duct 2 is provided with a liquid medicine backflow port communicated with the distal end of the liquid medicine backflow cavity.
When the circulating type drug perfusion catheter is used, the near-end plugging balloon 2-1 and the far-end plugging balloon 1-4 can be positioned through radiography respectively, the far-end plugging balloon 1-4 is conveyed to the far end of coronary artery lesion through a guide wire in an operation, the near-end plugging balloon 2-1 is conveyed to the near end of the lesion, the near-end plugging balloon 2-1 and the far-end plugging balloon 1-4 are inflated and expanded to form plugging together with the inner wall of the coronary artery, a drug perfusion cavity is formed between the near-end plugging balloon 2-1 and the far-end plugging balloon 1-4, a circulating type perfusion structure with liquid medicine capable of continuously entering and exiting is formed between the plugging perfusion catheter 1 and the plugging backflow catheter 2, and continuous drug circulation perfusion can be achieved.

Claims (9)

1. A circulating drug infusion catheter, comprising: the blocking perfusion catheter comprises a blocking perfusion catheter (1) and a blocking reflux catheter (2), wherein a liquid medicine perfusion cavity channel (1-1), a first contrast agent cavity channel (1-2) and a guide wire cavity channel (1-3) are arranged inside the blocking perfusion catheter (1), an inflatable far-end blocking balloon (1-4) is arranged at the far end of the blocking perfusion catheter (1), a far-end blocking developing ring cavity (1-5) is arranged inside the far-end blocking balloon (1-4), the first contrast agent cavity channel (1-2) is communicated with the far-end blocking developing ring cavity (1-5) through a first contrast agent release port (1-6), a sleeve cavity channel, the liquid medicine reflux cavity channel and a second contrast agent cavity channel are arranged inside the blocking reflux catheter (2), and the blocking reflux catheter (2) is sleeved outside the blocking perfusion catheter (1) through the sleeve cavity channel, the far end of shutoff backward flow pipe (2) is equipped with inflatable near-end shutoff sacculus (2-1), near-end shutoff sacculus (2-1) inside is equipped with near-end shutoff development ring chamber, second contrast agent chamber is said and is passed through second contrast agent release mouth and near-end shutoff development ring chamber intercommunication, be equipped with the liquid medicine release mouth that fills chamber way (1-1) intercommunication with the liquid medicine on the body that the pipe (1) was filled in the shutoff, liquid medicine release mouth is located between near-end shutoff sacculus (2-1) and far-end shutoff sacculus (1-4), the distal end of shutoff backward flow pipe (2) is equipped with the liquid medicine backward flow mouth that communicates with liquid medicine backward flow chamber way.
2. A recirculating drug infusion catheter as recited in claim 1, wherein: the guide wire cavity (1-3) penetrates from the near end to the far end of the self-plugging perfusion catheter (1).
3. A recirculating drug infusion catheter as recited in claim 1, wherein: the proximal end of the plugging perfusion catheter (1) is provided with a liquid medicine input port (1-7), and the liquid medicine input port (1-7) is communicated with the liquid medicine perfusion cavity channel (1-1).
4. A recirculating drug infusion catheter as recited in claim 1, wherein: the near end of the plugging perfusion catheter (1) is provided with a far-end contrast agent input port (1-8), and the far-end contrast agent input port (1-8) is communicated with a first contrast agent cavity channel (1-2).
5. A recirculating drug infusion catheter as recited in claim 1, wherein: the cavity of the sleeve penetrates from the near end to the far end of the self-plugging backflow catheter (2).
6. A recirculating drug infusion catheter as recited in claim 1, wherein: the near end of the blocking reflux catheter (2) is provided with a liquid medicine suction port (2-2), and the liquid medicine suction port (2-2) is communicated with a liquid medicine reflux cavity channel.
7. A recirculating drug infusion catheter as recited in claim 1, wherein: the near end of the blocking backflow duct (2) is provided with a near-end contrast agent input port (2-3), and the near-end contrast agent input port (2-3) is communicated with a second contrast agent cavity channel.
8. A recirculating drug infusion catheter as recited in claim 1, wherein: the liquid medicine releasing ports are distributed at intervals between the near-end plugging saccule (2-1) and the far-end plugging saccule (1-4) along the length direction of the tube body of the plugging perfusion catheter (1).
9. A recirculating drug infusion catheter as recited in claim 1, wherein: the liquid medicine releasing port is arranged on the tube body of the plugging perfusion catheter (1) close to the far-end plugging saccule (1-4).
CN201911076202.3A 2019-11-06 2019-11-06 Circulating medicine perfusion catheter Pending CN110681034A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911076202.3A CN110681034A (en) 2019-11-06 2019-11-06 Circulating medicine perfusion catheter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911076202.3A CN110681034A (en) 2019-11-06 2019-11-06 Circulating medicine perfusion catheter

Publications (1)

Publication Number Publication Date
CN110681034A true CN110681034A (en) 2020-01-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911076202.3A Pending CN110681034A (en) 2019-11-06 2019-11-06 Circulating medicine perfusion catheter

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114073810A (en) * 2020-09-21 2022-02-22 至善介入消融技术研究院(南京)有限公司 Developing ring and balloon dilatation catheter using same
CN117179844A (en) * 2023-11-08 2023-12-08 成都百瑞恒通医疗科技有限公司 Device for blocking and treating vascular lesions and malignant tumors

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114073810A (en) * 2020-09-21 2022-02-22 至善介入消融技术研究院(南京)有限公司 Developing ring and balloon dilatation catheter using same
CN117179844A (en) * 2023-11-08 2023-12-08 成都百瑞恒通医疗科技有限公司 Device for blocking and treating vascular lesions and malignant tumors
CN117179844B (en) * 2023-11-08 2024-01-26 成都纽创医疗器械有限公司 Device for blocking and treating vascular lesions and malignant tumors

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