CN111658969A - Balloon catheter with balloons with two asymmetric ends - Google Patents

Balloon catheter with balloons with two asymmetric ends Download PDF

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Publication number
CN111658969A
CN111658969A CN202010549271.8A CN202010549271A CN111658969A CN 111658969 A CN111658969 A CN 111658969A CN 202010549271 A CN202010549271 A CN 202010549271A CN 111658969 A CN111658969 A CN 111658969A
Authority
CN
China
Prior art keywords
catheter
balloon
fixedly connected
sacculus
asymmetric
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
CN202010549271.8A
Other languages
Chinese (zh)
Inventor
李晓
李娟�
王岳
韩天翔
吕丽红
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.)
First Affiliated Hospital of Zhengzhou University
Original Assignee
First Affiliated Hospital of Zhengzhou University
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 First Affiliated Hospital of Zhengzhou University filed Critical First Affiliated Hospital of Zhengzhou University
Priority to CN202010549271.8A priority Critical patent/CN111658969A/en
Publication of CN111658969A publication Critical patent/CN111658969A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • 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
    • 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
    • A61M25/0043—Catheters; Hollow probes characterised by structural features
    • 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
    • A61M25/0043—Catheters; Hollow probes characterised by structural features
    • A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
    • 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
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0082—Catheter tip comprising a tool
    • 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
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0082—Catheter tip comprising a tool
    • A61M25/0084—Catheter tip comprising a tool being one or more injection needles
    • 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
    • A61M25/1018—Balloon inflating or inflation-control devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B2017/22051—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
    • A61B2017/22054—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation with two balloons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B2017/22082—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for after introduction of a substance
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B2017/320741—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions for stripping the intima or the internal plaque from a blood vessel, e.g. for endarterectomy
    • 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
    • A61M2025/0008—Catheters; Hollow probes having visible markings on its surface, i.e. visible to the naked eye, for any purpose, e.g. insertion depth markers, rotational markers or identification of type
    • 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

Abstract

The invention discloses a balloon catheter with balloons with two asymmetric ends, which comprises a fixed catheter, wherein one end of the fixed catheter is fixedly connected with a catheter end, one end of the catheter end is provided with a clamping groove, a puncture needle head is clamped inside the clamping groove, one side of the outer surface of the fixed catheter is fixedly connected with a first balloon, the other side of the outer surface of the fixed catheter is fixedly connected with a first medicine layer, the outer surface of the fixed catheter is sleeved with a movable catheter, and one side of the outer surface of the movable catheter is fixedly connected with a second balloon. This sacculus pipe with asymmetric sacculus in both ends through the setting of draw-in groove and puncture needle head, has reached and can carry out proper processing to the puncture needle head after the use and has reached the purpose that reduces the risk, through first breather pipe, second breather pipe, third breather pipe and fourth breather pipe's setting, has reached the size that can conveniently adjust every sacculus, reduces the painful purpose of patient.

Description

Balloon catheter with balloons with two asymmetric ends
Technical Field
The invention relates to the technical field of medical instruments, in particular to a balloon catheter with balloons with two asymmetric ends.
Background
Balloon catheters, also known as balloon catheters and balloon catheters, are soft catheters with inflatable balloons on the top, and are commonly used for dilating narrow areas or making passages in blood vessels during cardiac catheter operations. When in use, the balloon which is not inflated is firstly placed to be positioned, then the balloon is inflated according to different operation purposes, after an outlet or a passage is manufactured in the lumen, the catheter is removed after the balloon is deflated.
The existing balloon catheter has the defects that the balloon is usually expanded synchronously, the most appropriate adjustment cannot be made according to the condition inside a blood vessel, a puncture needle head is usually fixedly arranged and cannot be detached after being used, danger is easy to occur, a plurality of diseased points cannot be treated simultaneously, the treatment time is prolonged, and the pain of a patient is prolonged.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the balloon catheter with the balloons with two asymmetric ends, which has the advantages of capability of independently controlling each balloon, treatment on a plurality of diseased points, accurate positioning of the catheter and convenient detachment of a puncture needle head, and solves the problems of shortened treatment time, reduced risk, accurate positioning and independent control of the balloons.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a balloon catheter with balloons with two asymmetric ends comprises a fixed catheter, wherein one end of the fixed catheter is fixedly connected with a catheter end, one end of the catheter end is provided with a clamping groove, the inner part of the clamping groove is clamped with a puncture needle head, one side of the outer surface of the fixed catheter is fixedly connected with a first balloon, the other side of the outer surface of the fixed catheter is fixedly connected with a first medicine layer, the inner wall of the first balloon is fixedly connected with a first developing ring, the outer surface of the fixed catheter is sleeved with a movable catheter, one side of the outer surface of the movable catheter is fixedly connected with a second balloon, the other side of the outer surface of the movable catheter is fixedly connected with a second medicine layer, the first medicine layer is consistent with the second medicine layer, the inner part of the second balloon is fixedly connected with a second developing ring, one end of the fixed catheter is fixedly connected with a first vent pipe, one end of the movable conduit is fixedly connected with a third vent pipe and a fourth vent pipe.
Preferably, the number of the first balloons is two, the first balloons are symmetrically arranged, the number of the second balloons is two, the second balloons are symmetrically arranged, and the shapes of the first balloons and the second balloons are consistent.
Preferably, the first vent pipe is fixedly connected with one end of one of the first balloons, and the second vent pipe is fixedly connected with one end of the other first balloon.
Preferably, the third vent pipe is fixedly connected with one end of one of the second balloons, and the fourth vent pipe is fixedly connected with one end of the other second balloon.
Preferably, the space inside the first medicament layer is divided into a plurality of first medicament layers by the partition plates, two first medicament layers are arranged, and the two first medicament layers are symmetrically arranged.
Preferably, the inner space of the first medicament layer is provided with a plurality of medicaments, the inner part of the first medicament layer is provided with an apex matched with the first medicament layer, and the bottom of the apex is fixedly connected with the extrusion saccule.
Preferably, the inner space of the first medicament layer is provided with a plurality of medicaments, the inner part of the first medicament layer is provided with an apex matched with the first medicament layer, and the bottom of the apex is fixedly connected with the extrusion saccule.
Preferably, the number of the first developing rings is three, and the three first developing rings are uniformly distributed in the fixed conduit.
Preferably, the second developing rings are consistent with the first developing rings in number and width, and the second developing rings are arranged below the second balloon.
(III) advantageous effects
Compared with the prior art, the invention provides a balloon catheter with balloons with two asymmetric ends, which has the following beneficial effects:
1. this sacculus pipe with asymmetric sacculus in both ends, setting through draw-in groove and puncture needle head, through puncture needle head at the inside joint of draw-in groove when using, make this sacculus pipe with asymmetric sacculus in both ends puncture needle head can dismantle, reached and to have carried out proper treatment to puncture needle head after the use and reached the purpose that reduces the risk, through first breather pipe, the second breather pipe, third breather pipe and fourth breather pipe's setting, can carry out solitary inflation to four sacculus through four breather pipes when using, reached and to have conveniently adjusted the size of every sacculus, reduce the painful purpose of patient.
2. This sacculus pipe with asymmetric sacculus in both ends, through the setting of activity pipe, use through the activity pipe in a plurality of pathological change positions treat, make this sacculus pipe with asymmetric sacculus in both ends possess the effect that can treat a plurality of pathological change positions, reached the time that reduces the treatment and the purpose of treatment risk, through the setting of first developing ring and second developing ring, the position of observing the sacculus when using that can be accurate, make this sacculus pipe with asymmetric sacculus in both ends reach the purpose of accurate positioning.
Drawings
FIG. 1 is a schematic structural view of a balloon catheter with asymmetric balloons at two ends according to the present invention;
FIG. 2 is a schematic structural view of a balloon catheter with asymmetric balloons at two ends according to the present invention;
FIG. 3 is a schematic structural view of a balloon catheter with asymmetric balloons at two ends according to the present invention;
fig. 4 is a schematic structural view of a balloon catheter with balloons with two asymmetric ends according to the invention.
In the figure: 1. fixing the catheter; 2. a catheter tip; 3. a puncture needle head; 4. a first balloon; 5. a first drug layer; 6. a first developing ring; 7. a movable catheter; 8. a second balloon; 9. a second drug layer; 10. a second developing ring; 11. a first vent pipe; 12. a second vent pipe; 13. a third vent pipe; 14. a fourth air vent pipe; 15. a tip; 16. the balloon is compressed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a balloon catheter with balloons with two asymmetric ends comprises a fixed catheter 1, one end of the fixed catheter 1 is fixedly connected with a catheter tip 2, the outer surface of the catheter tip 2 is fixedly connected with crushing teeth, the crushing teeth are uniformly distributed on the outer surface of the catheter tip 2, one end of the catheter tip 2 is provided with a clamping groove, a puncture needle head 3 is clamped inside the clamping groove, one side of the outer surface of the fixed catheter 1 is fixedly connected with a first balloon 4, the other side of the outer surface of the fixed catheter 1 is fixedly connected with a first medicine layer 5, the inside of the first medicine layer 5 is divided into a plurality of spaces inside the first medicine layer 5 through a partition board, the number of the first medicine layers 5 is two, the two first medicine layers 5 are symmetrically arranged, the inside of the first medicine layer 5 is provided with a plurality of medicines, the inside of the first medicine layer 5 is provided with a tip 15 matched with the first medicine layer 5, the bottom of the tip 15 is fixedly connected with an extrusion sacculus 16, the inner wall of the first sacculus 4 is fixedly connected with a first developing ring 6, the number of the first developing rings 6 is three, the three first developing rings 6 are uniformly distributed in the fixed catheter 1, the outer surface of the fixed catheter 1 is sleeved with a movable catheter 7, one side of the outer surface of the movable catheter 7 is fixedly connected with a second sacculus 8, the number of the first sacculus 4 is two and is symmetrically arranged, the number of the second sacculus 8 is two, the two second sacculus 8 are symmetrically arranged, the shapes of the first sacculus and the second sacculus 8 are consistent, the first vent pipe 11 is fixedly connected with one end of one of the first sacculus 4, the second vent pipe 12 is fixedly connected with one end of the other first sacculus 4, the third vent pipe 13 is fixedly connected with one end of one of the second sacculus 8, the fourth vent pipe 14 is fixedly connected with one end of the other second sacculus 8, the other side fixedly connected with second medicine layer 9 of activity pipe 7 surface, first medicine layer 5 is unanimous with second medicine layer 9, the inside fixedly connected with second developing ring 10 of second sacculus 8, the quantity and the width of second developing ring 10 and first developing ring 6 are unanimous, second developing ring 10 sets up in the below of second sacculus 8, the first breather pipe 11 of one end fixedly connected with and the second breather pipe 12 of fixed pipe 1, the one end fixedly connected with third breather pipe 13 and the fourth breather pipe 14 of activity pipe 7.
When the medical catheter is used, the fixed catheter 1 is transported to a designated position through the puncture needle head 3, thrombus inside a blood vessel is crushed through the crushing teeth of the catheter tip 2, the catheter is enabled to be smoothly transmitted, the position of the first developing ring 6 is observed, when the designated position is reached, the first balloon 4 is inflated through the first vent pipe 11 and the second vent pipe 12, the extrusion balloon 16 is inflated, the extrusion balloon 16 pushes the tip 15 to puncture the first medicine layer 5, medicine inside the first medicine layer 5 flows out, the designated position is treated, the movable catheter 7 moves on the surface of the fixed catheter 1, when the medical catheter moves to other pathological change positions, the second balloon 8 is inflated through the third vent pipe 13 and the fourth vent pipe 14, and other pathological change positions are treated.
To sum up, the sacculus catheter with the sacculus with two asymmetric ends is clamped in the clamping groove through the clamping groove and the puncture needle head 3 when in use, so that the puncture needle head 3 of the sacculus catheter with the two asymmetric ends can be detached, the puncture needle head 3 can be properly treated after use, the purpose of reducing risks is achieved, the four sacculus can be independently inflated through the four vent pipes when in use through the arrangement of the first vent pipe 11, the second vent pipe 12, the third vent pipe 13 and the fourth vent pipe 14, the purpose of conveniently adjusting the size of each sacculus and reducing the pain of a patient is achieved, the treatment is carried out through a plurality of pathological changes in the movable catheter 7 through the arrangement of the movable catheter 7, so that the sacculus catheter with the two asymmetric ends has the effect of treating a plurality of pathological changes, the balloon catheter with the asymmetric balloons at two ends achieves the purpose of reducing treatment time and treatment risk, and the position of the balloon can be accurately observed during use through the arrangement of the first developing ring 6 and the second developing ring 10, so that the balloon catheter with the asymmetric balloons at two ends achieves the purpose of accurate positioning.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a sacculus pipe with asymmetric sacculus in both ends, includes fixed pipe (1), its characterized in that: one end of the fixed catheter (1) is fixedly connected with a catheter end socket (2), one end of the catheter end socket (2) is provided with a clamping groove, the inner part of the clamping groove is clamped with a puncture needle head (3), one side of the outer surface of the fixed catheter (1) is fixedly connected with a first balloon (4), the other side of the outer surface of the fixed catheter (1) is fixedly connected with a first medicine layer (5), the inner wall of the first balloon (4) is fixedly connected with a first developing ring (6), the outer surface of the fixed catheter (1) is sleeved with a movable catheter (7), one side of the outer surface of the movable catheter (7) is fixedly connected with a second balloon (8), the other side of the outer surface of the movable catheter (7) is fixedly connected with a second medicine layer (9), the first medicine layer (5) is consistent with the second medicine layer (9), and the inner part of the second balloon (8) is fixedly connected with a second developing ring (, one end of the fixed catheter (1) is fixedly connected with a first vent pipe (11) and a second vent pipe (12), and one end of the movable catheter (7) is fixedly connected with a third vent pipe (13) and a fourth vent pipe (14).
2. A balloon catheter with a two-end asymmetric balloon according to claim 1, wherein: the number of the first sacculus (4) is two, and the symmetry sets up, the number of the second sacculus (8) is provided with two, two the second sacculus (8) symmetry sets up, the shape of first sacculus and (4) second sacculus (8) is unanimous.
3. A balloon catheter with a two-end asymmetric balloon according to claim 2, wherein: the first vent pipe (11) is fixedly connected with one end of one first balloon (4), and the second vent pipe (12) is fixedly connected with one end of the other first balloon (4).
4. A balloon catheter with a two-end asymmetric balloon according to claim 2, wherein: the third vent pipe (13) is fixedly connected with one end of one second sacculus (8), and the fourth vent pipe (14) is fixedly connected with one end of the other second sacculus (8).
5. A balloon catheter with a two-end asymmetric balloon according to claim 1, wherein: the space inside the first medicine layer (5) is divided into a plurality of parts by the partition board inside the first medicine layer (5), two parts of the first medicine layer (5) are arranged, and the two first medicine layers (5) are symmetrically arranged.
6. A balloon catheter with a balloon with two asymmetric ends according to claim 5, characterized in that: the inner space of the first medicine layer (5) is provided with a plurality of medicines, the inner part of the first medicine layer (5) is provided with an apex (15) matched with the first medicine layer (5), and the bottom of the apex (15) is fixedly connected with an extrusion saccule (16).
7. A balloon catheter with a two-end asymmetric balloon according to claim 1, wherein: the outer surface of the conduit end head (2) is fixedly connected with crushing teeth which are uniformly distributed on the outer surface of the conduit end head (2).
8. A balloon catheter with a two-end asymmetric balloon according to claim 1, wherein: the number of the first developing rings (6) is three, and the three first developing rings (6) are uniformly distributed in the fixed guide pipe (1).
9. A balloon catheter with a two-end asymmetric balloon according to claim 1, wherein: the number and the width of the second developing rings (10) are consistent with those of the first developing rings (6), and the second developing rings (10) are arranged below the second balloon (8).
CN202010549271.8A 2020-06-16 2020-06-16 Balloon catheter with balloons with two asymmetric ends Pending CN111658969A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010549271.8A CN111658969A (en) 2020-06-16 2020-06-16 Balloon catheter with balloons with two asymmetric ends

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010549271.8A CN111658969A (en) 2020-06-16 2020-06-16 Balloon catheter with balloons with two asymmetric ends

Publications (1)

Publication Number Publication Date
CN111658969A true CN111658969A (en) 2020-09-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010549271.8A Pending CN111658969A (en) 2020-06-16 2020-06-16 Balloon catheter with balloons with two asymmetric ends

Country Status (1)

Country Link
CN (1) CN111658969A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113730776A (en) * 2021-09-23 2021-12-03 郑州大学第一附属医院 Local chemotherapy device of esophagus cancer
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

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
CN113730776A (en) * 2021-09-23 2021-12-03 郑州大学第一附属医院 Local chemotherapy device of esophagus cancer
CN113730776B (en) * 2021-09-23 2022-12-23 郑州大学第一附属医院 Local chemotherapy device of esophagus cancer

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