CN107773286A - One kind intervention thrombus removes conduit - Google Patents
One kind intervention thrombus removes conduit Download PDFInfo
- Publication number
- CN107773286A CN107773286A CN201710987911.1A CN201710987911A CN107773286A CN 107773286 A CN107773286 A CN 107773286A CN 201710987911 A CN201710987911 A CN 201710987911A CN 107773286 A CN107773286 A CN 107773286A
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- CN
- China
- Prior art keywords
- guidewire lumen
- thrombus
- capillary
- catheter body
- drug injection
- 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.)
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- 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
- 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
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
-
- 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
- A61B2017/22038—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 a guide wire
-
- 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
- A61B2017/22079—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 suction of debris
-
- 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
- A61B2017/22081—Treatment of vulnerable plaque
-
- 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
- A61B2017/22094—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 for crossing total occlusions, i.e. piercing
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention belongs to medical instruments field, and in particular to one kind intervention thrombus removes conduit, and main technical schemes are as follows：One kind intervention thrombus, which removes conduit, includes catheter body, haemostatic valve, filament guiding seat；The outside of described catheter body is sleeve pipe, and three autonomous channel cavitys are included in described catheter body, and described autonomous channel cavity is respectively suction chamber, drug injection chamber, guidewire lumen from the outside to the core；Described haemostatic valve left end is connected with catheter body, and described drug injection chamber, guidewire lumen enter catheter body through haemostatic valve, and one end of described guidewire lumen sets filament guiding seat.Compared with prior art, the capillary and lousiness perpendicular to guidewire lumen that the present invention is set can move forward and backward and rotate broken thrombus；Simultaneously by capillary by thrombolysis, antiplatelet, anti-freezing drug injection to inside thrombus, beneficial to the quick dissolving of thrombus；And overall structure is simple, can simultaneously using broken, thrombolysis, aspirate, stick entrainment various ways and remove thrombus, except bolt is efficiently convenient.
Description
Technical field
The invention belongs to medical instruments field, and in particular to one kind intervention thrombus removes conduit.
Background technology
With the improvement of living standards, the thrombotic diseases incidence of disease is increasing, arterial blood can be divided into according to happening part
Bolt and phlebothrombosis.When human vas sustains damage, start clotting mechanism, form blood clot (i.e. thrombus) and " block " breach, with
Avoid Excessive bleedings.Afterwards, anticoagulant mechanism starts, and suppresses thrombus and is excessively formed, and gradually dissolves existing thrombus, makes thrombus will not
Ceaselessly increase, and be eliminated in time, enable blood proper flow in the blood vessels, neither form thrombus, also do not go out
Blood.But, in the presence of a variety of factors, this balance can be broken.If clotting mechanism occupies " advantage " status, will lead
Thrombus is caused not eliminate.Even antegrade blood flow movement, and incarceration is to the blood vessel at other positions, so as to cause respective organization, organ to lack
Blood or necrosis, cause various thrombus relevant diseases, including big well known myocardial infarction, cerebral apoplexy etc..Thrombus is related
Disease, severely compromises the health of people, nowadays occupies lethal and the reason that disables first.
Solve the problems, such as thrombus, the various thrombus remove devices of generally use, such as thrombus is taken out using negative-pressure ward principle
It can be led to EV thrombus suction catheter, catheter proximal end equipped with spiral cutter with the thrombectomby pumped out again after rotary-cut thrombus
What guard system and being crushed using high pressure physiological saline was aspirated after thrombus again takes and ties system.Simple negative-pressure ward process is removed not
The thrombus of bulk；Rotary-cut and impacting with high pressure process are and complicated there is also the risk of injured blood vessel endothelium, prepare cost
Height, application method are cumbersome.
The content of the invention
To make up the deficiencies in the prior art, the present invention is intended to provide a kind of thrombus removes conduit, will in a manner of milder
Thrombus crushes, and injects thrombolytic drug by thrombolysis, removing.
To reach above-mentioned purpose, the present invention uses following technical scheme：One kind intervention thrombus removes conduit, including conduit
Body, haemostatic valve, filament guiding seat；The outside of described catheter body is sleeve pipe, includes three autonomous channel cavitys in described catheter body,
Described autonomous channel cavity is respectively suction chamber, drug injection chamber, guidewire lumen from the outside to the core；Described haemostatic valve left end is with leading
Body connects, and described drug injection chamber, guidewire lumen enter catheter body through haemostatic valve, and one end of described guidewire lumen, which is set, leads
Silk seat, the guidewire lumen of distal end of catheter side are provided with guidewire port, developing mark, capillary, lousiness, described developing mark, capillary,
Lousiness is fixed on the outer wall of guidewire lumen, and described capillary connects with drug injection chamber, drug injection mouth, described haemostatic valve
Side is provided with pump orifice, and described pump orifice connects with suction chamber.
Further, described capillary and lousiness end vertical are in seal wire cavity outer wall.
Further, described capillary and lousiness vertical height are 0.5~5mm.
Further, the material of described capillary and lousiness is polyamide, polyethylene, polytetrafluoroethylene (PTFE), polyetheramides
Elastomer, silicon rubber or its copolymer.
Further, the hardness of the guidewire lumen material increases from distal end of catheter to filament guiding seat direction, the distal end of catheter
The material of the guidewire lumen of side is polyamide, polyethylene, polyetheramide elastomeric body, and the material of the guidewire lumen of the filament guiding seat side is not
Become rusty steel or Nitinol.
Further, described developing mark material is the resin of precious metal alloys or tungstenic.
Further, it is 600~1500mm that the intervention thrombus, which removes conduit overall length,.
Beneficial effects of the present invention are as follows：
(1) capillary and lousiness perpendicular to guidewire lumen that the present invention is set, not only may be inserted into thrombus, can be with preceding
After move and rotate broken thrombus；Simultaneously by capillary by thrombolysis, antiplatelet, anti-freezing drug injection to inside thrombus,
Beneficial to the quick dissolving of thrombus；Thrombus can be extracted out by the suction chamber in sleeve pipe；Capillary and lousiness can stick and carry secretly
Thrombus is returned in sleeve pipe, is withdrawn from vitro with conduit, easy to operate.
(2) overall structure of the invention is simple, can simultaneously using broken, thrombolysis, aspirate, stick entrainment various ways and remove
Thrombus, except bolt is efficiently convenient.
Brief description of the drawings
Fig. 1 thrombus of the present invention removes guide-tube structure schematic diagram；
Fig. 2 distal end of catheter using state structure diagrams of the present invention；
Fig. 3 distal end of catheter of the present invention and catheter main body junction structural representation；
Wherein, 1, filament guiding seat；2nd, drug injection mouth；3rd, haemostatic valve；4th, pump orifice；5th, catheter body；6th, sleeve pipe；7th, conduit is remote
End；8th, guidewire port；9th, developing mark；10th, capillary；11st, lousiness；12nd, suction chamber；13rd, drug injection chamber；14th, guidewire lumen.
Embodiment
Technical scheme is described in more detail with reference to the accompanying drawings and examples.These explanations are only
It is to illustrate the features and advantages of the present invention, the protection domain being not intended to limit the present invention.
As shown in figure 1, the present invention has the overall crossover thrombus removing conduit of broken thrombus and pumping function totally long
Spend for 1500mm, the removing available for thrombus in coronary artery or peripheral artery vein.The medicine of the branch pipe connection of Y type luer connectors
Thing injection port 2 and drug injection chamber 13, supervisor's connection of Y type luer connectors is filament guiding seat 1 and guidewire lumen 14.Guidewire lumen 14
Coaxial with drug injection chamber 13, the two reaches distal end of catheter 7 through Y types haemostatic valve, and Y types haemostatic valve is provided with pump orifice 4 with taking out
Inhale chamber 12 to connect, pump orifice 4 can connect the device or instrument of negative-pressure ward.Suction chamber 12, drug injection chamber 13, guidewire lumen 14 3
Chamber passage is independent, and coaxially.
As shown in Fig. 2 in use, by promoting Y type luer connectors, guidewire lumen 14 and drug injection chamber 13 are pushed out set
Pipe 6.The distal end of drug injection chamber 13 is made up of 2~10 capillaries 10 and some lousiness 11, and capillary 10 and lousiness 11 uniformly divide
Cloth is on the outer wall of guidewire lumen 14.When no sleeve pipe 6 fetters, capillary 10 and the end vertical of lousiness 11 are in guidewire lumen 14, vertically
Highly it is 0.5~5mm, this segment length is 5~50mm, and can reverse and rotate with filament guiding seat 1.The head end of guidewire lumen 14 is consolidated
Determine developing mark 9, developing mark 9 can be the resin of precious metal alloys or tungstenic.When pulling back Y type luer connectors, seal wire
Chamber 14 and drug injection chamber 13 are withdrawn in sleeve pipe 6.
Capillary 10 can be molded with lousiness 11 by the different polymer material extrusion of hardness, such as polyamide, polyethylene, poly- four
PVF, polyetheramide elastomeric body, silicon rubber, and its copolymer.Led again by high polymer material thermal finalization and being weldingly fixed on
On silk chamber 14.
Guidewire lumen 14 allows by 0.010~0.035mm seal wires.Guidewire lumen 14 is managed close to the part of filament guiding seat 1 by stainless
Steel or Nitinol pipe are made, and hardness is gradually reduced to be transitioned into is made distal end of catheter 7 by relatively soft macromolecule tubing, such as polyamides
The single or multiple lift extruding pipes such as amine, polyethylene, polyetheramide elastomeric body.
The tube wall and sleeve pipe 6 of drug injection chamber 13 are made up of high polymer material single or multiple lift extruding pipe, such as polyamide, gather
Ethene, polytetrafluoroethylene (PTFE), polyetheramide elastomeric body etc..
As shown in figure 3, capillary 10 is connected with the drug injection chamber 13 in catheter body 5.The capillary 10 of distal end of catheter 7 with
Drug injection chamber 13 is connected with drug injection mouth 2, can inject thrombolysis, antiplatelet, the medicine of anti-freezing or physiological saline etc.
Liquid.
The present invention is before use, capillary 10 and lousiness 11 in guidewire lumen 14 are enclosed in sleeve pipe 6, and guarantee conduit is with smaller
Resistance intravasation, and easily can be sent at thrombus；Then haemostatic valve 3 is outwarded winding, filament guiding seat 1 is pushed ahead, perpendicular to seal wire
The capillary 10 and lousiness 11 of chamber 14 are pushed out sleeve pipe 6, insert in thrombus, and larger suction chamber 12 is formed in sleeve pipe 6；With
Afterwards, just it is directly injected into from the injection of medicine of drug injection mouth 2, medicine from capillary 10 inside thrombus；Meanwhile filament guiding seat can be rotated
1 drives the rotation of capillary 10 and lousiness 11, so that thrombus crushes；Pump orifice 4 connects the instrument for taking out negative pressure, screws haemostatic valve 3,
Broken thrombus is extracted out；Finally, filament guiding seat 1 is pulled back, the capillary 10 for sticking and carrying secretly thrombus and lousiness 11 are withdrawn
In sleeve pipe 6, blood vessel is withdrawn from.
Embodiments of the present invention are not limited to described in above-described embodiment, in feelings without departing from the spirit and scope of the present invention
Under condition, those of ordinary skill in the art can make various improvement and change to the present invention in form and details, and these are equal
It is considered within protection scope of the present invention.
Claims (6)
1. one kind intervention thrombus removes conduit, it is characterised in that including catheter body (5), haemostatic valve (3), filament guiding seat (1)；It is described
The outside of catheter body (5) be sleeve pipe (6), include three autonomous channel cavitys in described catheter body (5), described independently leads to
Road cavity is respectively suction chamber (12), drug injection chamber (13), guidewire lumen (14) from the outside to the core；Described haemostatic valve (3) left end
It is connected with catheter body (5), described drug injection chamber (13), guidewire lumen (14) enter catheter body (5), institute through haemostatic valve (3)
The one end for the guidewire lumen (14) stated sets filament guiding seat (1), and the guidewire lumen (14) of distal end of catheter (7) side is provided with guidewire port (8), development
(9), capillary (10), lousiness (11) are marked, described developing mark (9), capillary (10), lousiness (11) are fixed on guidewire lumen
(14) on outer wall, described capillary (10) connects with drug injection chamber (13), drug injection mouth (2), described haemostatic valve
(3) side is provided with pump orifice (4), and described pump orifice (4) connects with suction chamber (12), described capillary (10) and lousiness
(11) end vertical is in guidewire lumen (14) outer wall.
2. a kind of intervention thrombus according to claim 1 removes conduit, it is characterised in that described capillary (10) and hair
Silk (11) vertical height is 0.5~5mm.
3. a kind of intervention thrombus according to claim 1 removes conduit, it is characterised in that described capillary (10) and hair
The material of silk (11) is polyamide, polyethylene, polytetrafluoroethylene (PTFE), polyetheramide elastomeric body, silicon rubber or its copolymer.
4. a kind of intervention thrombus according to claim 1 removes conduit, it is characterised in that guidewire lumen (14) material
Hardness increases from distal end of catheter (7) to filament guiding seat (1) direction, and the material of the guidewire lumen (14) of distal end of catheter (7) side is poly-
Acid amides, polyethylene or polyetheramide elastomeric body, the material of the guidewire lumen (14) of filament guiding seat (1) side are closed for stainless steel or NiTi
Gold.
5. a kind of intervention thrombus according to claim 1 removes conduit, it is characterised in that described developing mark (9) material
Matter is the resin of precious metal alloys or tungstenic.
6. a kind of intervention thrombus according to claim 1 removes conduit, it is characterised in that the intervention thrombus removes conduit
Overall length is 600~1500mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711358005.1A CN107874812A (en) | 2017-10-21 | 2017-10-21 | A kind of intervention thrombus for containing three autonomous channel cavitys removes conduit |
| CN201710987911.1A CN107773286A (en) | 2017-10-21 | 2017-10-21 | One kind intervention thrombus removes conduit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710987911.1A CN107773286A (en) | 2017-10-21 | 2017-10-21 | One kind intervention thrombus removes conduit |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711358005.1A Division CN107874812A (en) | 2017-10-21 | 2017-10-21 | A kind of intervention thrombus for containing three autonomous channel cavitys removes conduit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107773286A true CN107773286A (en) | 2018-03-09 |
Family
ID=61435175
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711358005.1A Pending CN107874812A (en) | 2017-10-21 | 2017-10-21 | A kind of intervention thrombus for containing three autonomous channel cavitys removes conduit |
| CN201710987911.1A Pending CN107773286A (en) | 2017-10-21 | 2017-10-21 | One kind intervention thrombus removes conduit |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711358005.1A Pending CN107874812A (en) | 2017-10-21 | 2017-10-21 | A kind of intervention thrombus for containing three autonomous channel cavitys removes conduit |
Country Status (1)
| Country | Link |
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| CN (2) | CN107874812A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021017413A1 (en) * | 2019-07-26 | 2021-02-04 | 张建军 | Flexible ureteroscope sheath kit with rotatable inner sheath tube |
| CN114041848A (en) * | 2021-10-12 | 2022-02-15 | 江苏金泰医疗器械有限公司 | Thrombus thrombolysis device |
| WO2022127305A1 (en) * | 2020-12-18 | 2022-06-23 | 上海蓝脉医疗科技有限公司 | Thrombus removing device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108553741B (en) * | 2018-05-15 | 2021-03-16 | 西南医科大学附属医院 | Cardiovascular intervention catheter device |
| 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 |
| CN117122377B (en) * | 2023-04-04 | 2024-04-23 | 上海中医药大学附属曙光医院 | Stone-taking guide wire and ureteroscope |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5370653A (en) * | 1993-07-22 | 1994-12-06 | Micro Therapeutics, Inc. | Thrombectomy method and apparatus |
| CN202207385U (en) * | 2011-08-04 | 2012-05-02 | 东莞永胜医疗制品有限公司 | Thrombus suction conduit |
| CN103349810A (en) * | 2013-07-23 | 2013-10-16 | 湖南瑞康通科技发展有限公司 | Micro-tube assembly |
| CN104436417A (en) * | 2013-09-13 | 2015-03-25 | 郭军 | Perfusion thrombolysis catheter used in human blood vessel |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030109837A1 (en) * | 1998-03-13 | 2003-06-12 | Mcbride-Sakal Marcia | Brush to clear occluded stents |
| US11039845B2 (en) * | 2009-10-06 | 2021-06-22 | Cardioprolific Inc. | Methods and devices for endovascular therapy |
| US8979877B2 (en) * | 2010-07-02 | 2015-03-17 | Neurodynamics, LLC | Catheter for use in revascularization procedures and method of using same |
| CN201759629U (en) * | 2010-08-25 | 2011-03-16 | 苏州安迈医疗器械有限公司 | Cerebral thrombosis smashing extractor |
-
2017
- 2017-10-21 CN CN201711358005.1A patent/CN107874812A/en active Pending
- 2017-10-21 CN CN201710987911.1A patent/CN107773286A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5370653A (en) * | 1993-07-22 | 1994-12-06 | Micro Therapeutics, Inc. | Thrombectomy method and apparatus |
| CN202207385U (en) * | 2011-08-04 | 2012-05-02 | 东莞永胜医疗制品有限公司 | Thrombus suction conduit |
| CN103349810A (en) * | 2013-07-23 | 2013-10-16 | 湖南瑞康通科技发展有限公司 | Micro-tube assembly |
| CN104436417A (en) * | 2013-09-13 | 2015-03-25 | 郭军 | Perfusion thrombolysis catheter used in human blood vessel |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021017413A1 (en) * | 2019-07-26 | 2021-02-04 | 张建军 | Flexible ureteroscope sheath kit with rotatable inner sheath tube |
| WO2022127305A1 (en) * | 2020-12-18 | 2022-06-23 | 上海蓝脉医疗科技有限公司 | Thrombus removing device |
| CN114041848A (en) * | 2021-10-12 | 2022-02-15 | 江苏金泰医疗器械有限公司 | Thrombus thrombolysis device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107874812A (en) | 2018-04-06 |
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Application publication date: 20180309 |
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