CN104586470A - Thrombus aspiration device and thrombus aspiration catheter - Google Patents

Thrombus aspiration device and thrombus aspiration catheter Download PDF

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Publication number
CN104586470A
CN104586470A CN201510043598.7A CN201510043598A CN104586470A CN 104586470 A CN104586470 A CN 104586470A CN 201510043598 A CN201510043598 A CN 201510043598A CN 104586470 A CN104586470 A CN 104586470A
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China
Prior art keywords
suction
thrombus
catheter
chamber
aspiration
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Pending
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CN201510043598.7A
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Chinese (zh)
Inventor
成正辉
魏达
周文
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HUNAN AIPUTE MEDICAL EQUIPMENT CO Ltd
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HUNAN AIPUTE MEDICAL EQUIPMENT CO Ltd
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Priority to CN201510043598.7A priority Critical patent/CN104586470A/en
Publication of CN104586470A publication Critical patent/CN104586470A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements 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
    • A61B17/22004Implements 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 using mechanical vibrations, e.g. ultrasonic shock waves
    • A61B17/22012Implements 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 using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L29/00Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
    • A61L29/14Materials characterised by their function or physical properties, e.g. lubricating compositions
    • A61L29/18Materials at least partially X-ray or laser opaque
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0021Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M25/0026Multi-lumen catheters with stationary elements
    • A61M25/003Multi-lumen catheters with stationary elements characterized by features relating to least one lumen located at the distal part of the catheter, e.g. filters, plugs or valves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0043Catheters; Hollow probes characterised by structural features
    • A61M25/0054Catheters; Hollow probes characterised by structural features with regions for increasing flexibility
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0108Steering means as part of the catheter or advancing means; Markers for positioning using radio-opaque or ultrasound markers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0113Mechanical advancing means, e.g. catheter dispensers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements 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
    • A61B17/22031Gripping instruments, e.g. forceps, for removing or smashing calculi
    • A61B2017/22035Gripping instruments, e.g. forceps, for removing or smashing calculi for retrieving or repositioning foreign objects
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements 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
    • A61B2017/22038Implements 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 a guide wire
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2400/00Materials characterised by their function or physical properties
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2202/00Special media to be introduced, removed or treated
    • A61M2202/0014Special media to be introduced, removed or treated removed from the body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2202/00Special media to be introduced, removed or treated
    • A61M2202/06Solids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/02General characteristics of the apparatus characterised by a particular materials
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/02General characteristics of the apparatus characterised by a particular materials
    • A61M2205/0222Materials for reducing friction

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Pulmonology (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Optics & Photonics (AREA)
  • Epidemiology (AREA)
  • Mechanical Engineering (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Vascular Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgical Instruments (AREA)
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Abstract

The invention discloses a thrombus aspiration catheter which comprises a catheter main body and a guide wire chamber (8) arranged at an advancing end of the catheter main body, wherein the catheter main body is provided with an aspiration chamber (3); the guide wire chamber (8) is located in the inner side at the far end of the aspiration chamber (3) and is communicated with the aspiration chamber (3); a guide wire enters the guide wire chamber (8), passes through the aspiration chamber (3) and leaves away from the catheter main body at a joint (1). The thrombus aspiration catheter according to the technical scheme can solve the problems of low aspiration speed and easiness in aspiration chamber blocking caused by the smaller radial cross section areas of aspiration hole and aspiration chamber of the thrombus aspiration catheter in the prior art. The invention also provides a thrombus aspiration device.

Description

Biochemical analyzer device and thrombus suction catheter
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly relate to a kind of thrombus suction catheter.The invention still further relates to a kind of Biochemical analyzer device with above-mentioned thrombus suction catheter.
Background technology
In human vas, especially at the supply blood vessel of coronary artery region, often there is the obturators such as deposit, atheromatous plaque, grumeleuse.These obturators may block or interrupt blood flow.There is above-mentioned obturator in the supply blood vessel of arteria coronaria arteriosomes, serious sequela may be caused, as infraction.To in the therapeutic process of this type of patient, eliminate these obturators fast and to be absolutely necessary therapeutic progresses.
In the prefered method that skin percutaneous coronary intervention (PCI) is treatment Acute ST-Segment Elevation Myocardial Infarction (STEMI), to reducing infarction size, cardiac function protecting, to improve long-term prognosis significant.But because lesion vessels position usually exists relatively large thrombosis in PCI, when adopting balloon dilatation and stenting to insert to acute myocardial infarction (AMI) occluding vascular, the patient of about 10.8% ~ 80.9% can cause thromboclasis, come off, breaking also may appear in the atherosclerotic plaque of lesion vessels simultaneously, blocking remote thin vessels and blood capillary, cause lesion vessels logical rear slow blood flow again, No-reflow phenoment occurs.
Clinical practice thrombus suction catheter carries out the reperfusion as treatment of AMI, can directly aspirate removal coronary thrombosis.It is obvious that this method opens vascular effects, simple to operate, obviously can reduce the phenomenons such as the fluoride-free flux after AMI reperfusion as treatment and distal embolization simultaneously.But existing thrombus suction catheter is positioned at suction chamber distal exterior due to guidewire lumen, as shown in Figure 1, makes the radial section of suction socket and suction chamber long-pending large not, causes aspiration rate slow, and run into the easy blockage phenomenon of larger thrombosis.
In sum, the radial section how solving suction socket and suction chamber in the thrombus suction catheter of prior art amasss that less brought aspiration rate is low, the susceptible to plugging problem of suction chamber, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
The invention provides a kind of thrombus suction catheter, amass with the radial section solving suction socket and suction chamber in prior art that less brought aspiration rate is low, the susceptible to plugging problem of suction chamber.
A kind of thrombus suction catheter provided by the invention, comprise catheter body and the guidewire lumen being arranged on described catheter body end of travel, described catheter body has suction chamber, and described guidewire lumen is positioned at the distal medial of described suction chamber, and is communicated with described suction chamber.
Preferably, above-mentioned suction socket is an angular cut, and described suction socket is positioned at the remote port of described suction chamber.
Preferably, the beveled end surface of above-mentioned angular cut is plane, and is curved surface relative to the beveled end surface that the angle of inclination of vertical plane is 30 ° of-60 ° or described angular cuts.
Preferably, above-mentioned suction socket is two angular cuts, and two described angular cuts are symmetrical, and the centrage of described suction chamber overlaps with the symmetrical center line of two described angular cuts.
Preferably, the beveled end surface of above-mentioned angular cut is plane or curved surface.
Preferably, above-mentioned catheter body comprises pipe shaft internal layer, pipe shaft enhancement Layer and the pipe shaft skin distributed successively from inside to outside.
Preferably, above-mentioned pipe shaft enhancement Layer is wire braid.
Preferably, above-mentioned pipe shaft skin scribbles hydrophilic coating.
Preferably, above-mentioned guidewire lumen has developing mark ring.
Guidewire lumen is arranged on the distal medial of suction chamber by thrombus suction catheter provided by the invention, when the maximum outside diameter of thrombus suction catheter is all identical by the restriction of setting size with the maximum outside diameter of guidewire lumen, the radial section that the distal medial that guidewire lumen is arranged on suction chamber effectively can increase suction socket and suction chamber compared with the distal exterior that guidewire lumen is arranged on suction chamber amasss, thrombus suction catheter is made to have larger suction chamber and suction socket, can stablize, efficiently, the embolic material such as quick removing Intravascular Thrombus, particularly when patient's diseased region thrombosis is larger, thrombosis can enter suction chamber by suction socket smoothly, and movement fast in suction chamber, finally be drawn out of outside patient body under the suction function of external suction means, improve the pumping velocity of thrombus suction catheter, avoid the phenomenon of thrombosis blocking suction socket and suction chamber.Visible, thrombus suction catheter provided by the invention effectively can solve in prior art that less brought aspiration rate is low, the susceptible to plugging problem of suction chamber because the radial section of suction socket and suction chamber amasss.
Based on the above-mentioned thrombus suction catheter provided, the present invention also provides a kind of Biochemical analyzer device, comprises the thrombus suction catheter described in above-mentioned any one.
Because the beneficial effect of Biochemical analyzer device provided by the invention is brought by thrombus suction catheter provided by the invention, describe so please refer to the corresponding of thrombus suction catheter part about the beneficial effect of Biochemical analyzer device, do not repeat them here.
Should be understood that, it is only exemplary and explanatory that above general description and details hereinafter describe, and can not limit the present invention.
Accompanying drawing explanation
Fig. 1 is the guidewire lumen schematic diagram that suction socket, suction chamber and guidewire lumen radial section are long-pending when suction chamber distal exterior that prior art provides;
Fig. 2 is the structural representation of single suction socket thrombus suction catheter that the embodiment of the present invention provides;
Fig. 3 is the guidewire lumen schematic diagram that suction socket, suction chamber and guidewire lumen radial section are long-pending when suction chamber distal medial that the embodiment of the present invention provides;
Fig. 4 is the structural representation of the black soy sauce sucker thrombus suction catheter that the embodiment of the present invention provides.
In Fig. 1-4, joint 1, strain relief cover 2, suction chamber 3, pipe shaft internal layer 4, pipe shaft enhancement Layer 5, pipe shaft skin 6, the suction socket 7 of single hole arrangements, the suction socket 71 of double-pore structure, guidewire lumen 8, developing mark ring 9, guidewire lumen of the prior art 10, suction socket of the prior art 11.
Detailed description of the invention
Technical scheme in the embodiment of the present invention is understood better in order to make those skilled in the art person, and enable the above-mentioned purpose of the embodiment of the present invention, feature and advantage become apparent more, below in conjunction with accompanying drawing, the technical scheme in the embodiment of the present invention is described in further detail.
Please refer to Fig. 2 and Fig. 4, the thrombus suction catheter that the embodiment of the present invention provides comprises catheter body and is arranged on the guidewire lumen 8 of catheter body end of travel, and catheter body has suction chamber 3, and guidewire lumen 8 is positioned at the distal medial of suction chamber 3, and is communicated with suction chamber 3.Over the course for the treatment of, thrombus suction catheter is under the guide of seal wire, and arrive the diseased region of patient, the thrombosis of diseased region enters catheter body by suction socket 7 under the suction function of external suction means, via suction chamber 3, is finally pulled out out in patient body.
Suction chamber 3 is main parts of thrombus suction catheter, and the pumping velocity of the size that its radial cross-section amasss to thrombosis has material impact.When the internal diameter of suction chamber 3 is larger, thrombosis can be more smooth in suction chamber 3 inside, moves fast, in final arrival external suction means.Meanwhile, larger internal diameter makes thrombosis not easily occlusion catheter, thus improves thrombosis and be sucked out speed in patient body.
The guidewire lumen 8 of the thrombus suction catheter that the embodiment of the present invention provides is arranged on the distal medial of suction chamber 3, and is communicated with suction chamber 3, forms the extension path of guiding wire.Comparison diagram 1 and Fig. 3 known, when the external diameter of two kinds of thrombus suction catheters and guidewire lumen 8 radial section amass size homogeneous phase simultaneously, the distal medial that guidewire lumen 8 is arranged on suction chamber 3 can have compared with the distal exterior that guidewire lumen 8 is arranged on suction chamber 3 and makes thrombus suction catheter have larger suction chamber 3 and suction socket 7, can stablize, efficiently, the embolic material such as quick removing Intravascular Thrombus, particularly when patient's diseased region thrombosis volume is larger, thrombosis can enter suction chamber 3 by suction socket 7 smoothly, pulled out external in suction chamber 3 fast, not easily obstruction conduit and suction socket 7.Seal wire in the present invention enters from guidewire lumen 8, by suction chamber 3, finally leaves catheter body from joint 1, reasonably make use of the position relationship of guidewire lumen 8 at suction chamber 3 distal medial.
Please refer to Fig. 2, the suction socket 7 of the thrombus suction catheter that the embodiment of the present invention provides is positioned at the remote port of suction chamber 3.
With reference to figure 2, the suction socket 7 that the embodiment of the present invention provides can be the single hole arrangements with an angular cut, the beveled end surface of angular cut can be plane also can be curved surface, and when beveled end surface is plane, it is preferably 30 °-60 ° relative to the angle of inclination of vertical plane.The another kind of thrombus suction catheter that the embodiment of the present invention provides, please refer to Fig. 4, and its suction socket 71 can for having the double-pore structure of two symmetrical angular cuts, and its symmetrical center line overlaps with the centrage of suction chamber.Two angular cuts can be that plane also can curved surface.The radial cross-section that the oblique section of suction socket 7 or curved-surface structure can increase suction socket 7 amasss, and is convenient to thrombosis material and enters thrombus suction catheter inside, not easily blocks suction socket 7.
Preferably, suction socket angle, by metallic material, increases the intensity of suction socket 7, when diseased region thrombosis is larger, effectively can prevent suction socket 7 in aspiration procedure to cave in phenomenon, ensure carrying out smoothly of operation.
From Fig. 2 and Fig. 4, when suction socket 7 is set to single hole arrangements, its oblique section sectional area is larger, when suction socket 71 is set to double-pore structure, the sectional area of each oblique section is less, therefore, the thrombus suction catheter of single suction socket is applicable to the larger thrombosis of draw volume, and the thrombus suction catheter of black soy sauce sucker is applicable to the less thrombosis of draw volume.
The catheter body of the thrombus suction catheter that the embodiment of the present invention provides can be three-decker, comprises the pipe shaft internal layer 4, pipe shaft enhancement Layer 5 and the pipe shaft skin 6 that distribute successively from inside to outside.More preferred, the coefficient of friction of pipe shaft internal layer 4 inwall is less, is conducive to thrombosis thing mobile in suction catheter inside.More preferred, the pipe shaft enhancement Layer 5 being positioned at middle part can be wire braid.Concrete, wire braid can adopt 16 one metal wire braiding structures.Pipe shaft enhancement Layer 5 can improve the intensity of catheter body, and then thrombus suction catheter can be made to have good propelling movement and fold resistance, can greatly strengthen the handling capacity of thrombus suction catheter in guiding catheter.More preferred, pipe shaft skin 6 scribbles hydrophilic coating, increases the lubricity of pipe shaft outside, thus reduces friction.The three-decker of catheter body effectively can improve the propelling movement performance of thrombus suction catheter, makes thrombus suction catheter more accurate under the guide of seal wire, arrives diseased region fast, for operation saves time, slow down the misery of patient.
The guidewire lumen 8 of thrombus suction catheter provided by the invention has developing mark ring 9, the effect of developing mark ring 9 is for thrombus suction catheter position in the blood vessel is accurately located, and then is convenient to thrombus suction catheter and is pulled out fast and accurately outside patient body by thrombosis.
The near-end of suction chamber 3 pipe shaft of thrombus suction catheter provided by the invention is connected with strain relief cover 2, has the effect of strain relief and mark.
Based on the thrombus suction catheter that above-described embodiment provides, the present invention also provides a kind of Biochemical analyzer device, comprise the thrombus suction catheter described in above-mentioned any one, external suction means and the valve (such as Y-valve) for connecting thrombus suction catheter and external suction means.Catheter body near-end has joint 1, and for connection valve and catheter body, valve is for connecting the external suction means such as syringe and thrombus suction catheter.Thrombosis, under the suction function of external suction means, enters catheter body by suction socket 7, through suction chamber 3, arrives joint 1 place, continues mobile until by valve, finally arrive in external suction means, thus thrombosis material is pulled out out outside patient body.
Each embodiment in this description all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiment.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention.Any amendment done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a thrombus suction catheter, comprise catheter body and the guidewire lumen (8) being arranged on described catheter body end of travel, described catheter body has suction chamber (3); It is characterized in that, described guidewire lumen (8) is positioned at the distal medial of described suction chamber (3), and is communicated with described suction chamber (3).
2. thrombus suction catheter according to claim 1, is characterized in that, described suction socket (7) is an angular cut, and is positioned at the remote port of described suction chamber (3).
3. thrombus suction catheter according to claim 2, is characterized in that, the beveled end surface of described angular cut is plane, and is curved surface relative to the beveled end surface that the angle of inclination of vertical plane is 30 ° of-60 ° or described angular cuts.
4. thrombus suction catheter according to claim 1, it is characterized in that, described suction socket (71) is two angular cuts, and two described angular cuts are symmetrical, and the centrage of described suction chamber (3) overlaps with the symmetrical center line of two described angular cuts.
5. thrombus suction catheter according to claim 4, is characterized in that, the beveled end surface of described angular cut is plane or curved surface.
6. thrombus suction catheter according to claim 1, is characterized in that, described catheter body comprises the pipe shaft internal layer (4), pipe shaft enhancement Layer (5) and the pipe shaft skin (6) that distribute successively from inside to outside.
7. thrombus suction catheter according to claim 6, is characterized in that, described pipe shaft enhancement Layer (5) is wire braid.
8. the thrombus suction catheter according to claim 1-7 any one, is characterized in that, described pipe shaft skin (6) scribbles hydrophilic coating.
9. thrombus suction catheter according to claim 1, is characterized in that, described guidewire lumen (8) has developing mark ring (9).
10. Biochemical analyzer device, is characterized in that, has the thrombus suction catheter in claim 1-9 described in any one.
CN201510043598.7A 2015-01-28 2015-01-28 Thrombus aspiration device and thrombus aspiration catheter Pending CN104586470A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104874033A (en) * 2015-05-28 2015-09-02 上海慧达医疗器械有限公司 Novel thrombus aspiration catheter
CN107468306A (en) * 2017-08-15 2017-12-15 南京普微森医疗科技有限公司 A kind of thrombus suction catheter
CN108836429A (en) * 2018-08-28 2018-11-20 胡越成 A kind of Intravascular Thrombus draw-out device and abstracting method
CN109044484A (en) * 2018-07-26 2018-12-21 河南亚都实业有限公司 A kind of conduit of manual aspirate thrombi
CN109173015A (en) * 2018-08-01 2019-01-11 中国医学科学院北京协和医院 Big cavities conduit pipe and its system
CN110300611A (en) * 2017-02-17 2019-10-01 株式会社钟化 Suction catheter
CN111671492A (en) * 2020-07-14 2020-09-18 上海融脉医疗科技有限公司 Thrombus removing catheter device
WO2024139988A1 (en) * 2022-12-28 2024-07-04 先健科技(深圳)有限公司 Suction catheter

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030023263A1 (en) * 2001-07-24 2003-01-30 Incept Llc Apparatus and methods for aspirating emboli
CN102319097A (en) * 2011-08-04 2012-01-18 东莞永胜医疗制品有限公司 Thrombus aspiration catheter and using method thereof
CN202982136U (en) * 2012-12-05 2013-06-12 山东威高集团医用高分子制品股份有限公司 Thrombus aspiration catheter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030023263A1 (en) * 2001-07-24 2003-01-30 Incept Llc Apparatus and methods for aspirating emboli
CN102319097A (en) * 2011-08-04 2012-01-18 东莞永胜医疗制品有限公司 Thrombus aspiration catheter and using method thereof
CN202982136U (en) * 2012-12-05 2013-06-12 山东威高集团医用高分子制品股份有限公司 Thrombus aspiration catheter

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104874033A (en) * 2015-05-28 2015-09-02 上海慧达医疗器械有限公司 Novel thrombus aspiration catheter
CN110300611A (en) * 2017-02-17 2019-10-01 株式会社钟化 Suction catheter
CN107468306A (en) * 2017-08-15 2017-12-15 南京普微森医疗科技有限公司 A kind of thrombus suction catheter
CN109044484A (en) * 2018-07-26 2018-12-21 河南亚都实业有限公司 A kind of conduit of manual aspirate thrombi
CN109173015A (en) * 2018-08-01 2019-01-11 中国医学科学院北京协和医院 Big cavities conduit pipe and its system
CN108836429A (en) * 2018-08-28 2018-11-20 胡越成 A kind of Intravascular Thrombus draw-out device and abstracting method
CN111671492A (en) * 2020-07-14 2020-09-18 上海融脉医疗科技有限公司 Thrombus removing catheter device
WO2024139988A1 (en) * 2022-12-28 2024-07-04 先健科技(深圳)有限公司 Suction catheter

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