CN103932756A - Thrombus aspiration system - Google Patents
Thrombus aspiration system Download PDFInfo
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- CN103932756A CN103932756A CN201410106789.9A CN201410106789A CN103932756A CN 103932756 A CN103932756 A CN 103932756A CN 201410106789 A CN201410106789 A CN 201410106789A CN 103932756 A CN103932756 A CN 103932756A
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- thrombosis
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- thrombus
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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
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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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/79—Filters for solid matter
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
-
- 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
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Public Health (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Orthopedic Medicine & Surgery (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a thrombus aspiration system. The thrombus aspiration system comprises a thrombus aspiration catheter and a blood bottle connected with the thrombus aspiration catheter in a matched mode. Because the ultra-thin pipe wall, wide cavity and single-cavity piping design is adopted in the thrombus aspiration catheter, thrombus aspiration can be smoothly and efficiently carried out. Because the outer edge of the far-end face of a tapered catheter section is in the fillet shape, the whole thrombus aspiration catheter can enter the vessel easily, and injury to the human body can be reduced. Because elliptical side holes are spirally distributed in the far end, large thrombi in the vessel can be easily and smoothly aspirated, the situation that the large-sized thrombi can not be aspirated is avoided, the thrombi in the vessel can be completely aspirated, and the best treatment effect is achieved. Blood aspirated from the human body during an operation flows into the blood bottle, the aspirated thrombi are filtered out through a thrombus filter screen in the blood bottle, the filtered blood can be transfused into the human body again, and therefore the autologous blood can be quickly and effectively utilized and the adverse effects like contamination of allogeneic blood to a patient is avoided.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, be specifically related to a kind of thrombosis suction system.
Background technology
Interventional medicine is applied existing 30 years history clinically, no matter in cardiovascular, cerebrovascular, peripheral vessels, tumor, or is all an important treatment means in non-blood vessel field, is described as one of three large Clinics arranged side by side with internal medicine, surgery.At present the most extensive use have heart intervention treating, neural interventional treatment, cerebrovascular interventional therapy, tumor, an interventional therapy of peripheral blood vessel and non-vessel lumen.
Along with the accumulation of clinical data, the using value of thrombus suction catheter also gets the nod gradually.At present, international scope has been developed the thrombus suction catheter of different structure in succession, thrombosis in human peripheral blood vessel is aspirated, but because its structure and material is limit, the suction capactity of conduit is poor, when intravasation, easily human body is caused to damage, caused a lot of inconvenience to operation process, surgical effect is limited.
At present, the thrombus suction catheter on market adopts double lumen tube more, is respectively suction lumen and guidewire lumen, and portioned product guidewire lumen is in suction lumen outside, and this design drawback has been to increase the sectional area of conduit; Portioned product guidewire lumen is inner and only have a suction socket of head end at suction lumen, has limited catheter aspirates thrombi ability.
In the time of interventional therapy, only adopt thrombus suction catheter by the thrombosis sucking-off in human peripheral blood vessel, also be sucked out with a large amount of blood simultaneously, so, need to carry allosome blood to supplement run off blood to patient, may bring thus the untoward reaction such as pollution, and concerning patient, required allosome blood expense is also very high.
Summary of the invention
Object of the present invention, to provide in order addressing the above problem that a kind of simple in structure, suction capactity is strong, propelling movement property is good and have blood and to have reclaimed the thrombosis suction system of function exactly.
The object of the present invention is achieved like this:
A kind of thrombosis suction system of the present invention, comprises thrombus suction catheter and the Blood bottle of supporting connection with it, wherein:
The catheter block that described thrombus suction catheter comprises catheter body and is connected with described catheter body near-end, described catheter body comprises straight length and is located at this straight length far-end and integrated taper pipeline section with it, the far-end of described taper pipeline section is provided with opening, the outer wall that described straight length is positioned at far-end is provided with even number around this straight length Spiral distribution and the oval side opening being communicated with straight length inner chamber respectively, and adjacent two oval side openings are mutually vertical to the vertical line of described straight length axis respectively;
Described Blood bottle comprises bottle, the bottle cap of being located at described bottle open end and being connected with this sealing bottle, and be located at the thrombosis drainage screen in described bottle, on described bottle cap, be respectively equipped with negative pressure aspirator connector and thrombus suction catheter connector, the port of export of described thrombus suction catheter connector stretches in the inner chamber of described bottle, the bottom of described bottle lateral wall is provided with a blood pump orifice, the inwall of described bottle is provided with a ring-shaped step, the added thrombosis drainage screen gland that is provided with of step surface of described ring-shaped step, described thrombosis drainage screen is located between described thrombosis drainage screen gland and the step surface of ring-shaped step, the middle part of described bottle bottom surface is provided with a boss raising up, described boss to the annular region between bottle bottom edge is a ring-shaped groove, the two side of described ring-shaped groove is for being obliquely installed and intersecting in bottommost, described blood pump orifice is communicated with described ring-shaped groove,
The thrombus suction catheter connector of described Blood bottle is connected with the near-end of the catheter block of described thrombus suction catheter by connection tube.
Above-mentioned a kind of thrombosis suction system, wherein, described oval side opening is the axis direction setting along described catheter body, and the number of described oval side opening is from four to ten even number.
Above-mentioned a kind of thrombosis suction system, wherein, the outer rim of described taper pipeline section distal face is rounding horn shape, and the tube wall that described straight length is positioned at distal-most end is embedded with a developing ring, and in described catheter body and contiguous described catheter block place is arranged with a protecting pipe.
Above-mentioned a kind of thrombosis suction system, wherein, described catheter body adopts politef to make
Above-mentioned a kind of thrombosis suction system, wherein, the external diameter of described catheter body straight length is that 2.0mm, internal diameter are 1.65mm, or external diameter is that 2.33mm, internal diameter are 1.95mm, or external diameter is that 2.66mm, internal diameter are 2.16mm.
Above-mentioned a kind of thrombosis suction system, wherein, described thrombosis drainage screen gland is hollow tube-shape structure, the phase position on the edge of this thrombosis drainage screen gland upper end open is respectively provided with a horizontally extending handle to the inside.
Above-mentioned a kind of thrombosis suction system, wherein, described bottle and bottle cap are threaded connection, and the junction of described bottle and bottle cap is provided with an O RunddichtringO.
Above-mentioned a kind of thrombosis suction system, wherein, described bottle adopts clear polycarbonate to make, and described bottle cap adopts ABS to make, and described thrombosis drainage screen gland adopts nylon to make.
Above-mentioned a kind of thrombosis suction system, wherein, described thrombosis drainage screen employing wire diameter is that the nylon yarn braiding of 100 microns forms, and the screen distance of this thrombosis drainage screen is 200 microns.
Above-mentioned a kind of thrombosis suction system, wherein, described blood pump orifice is connected with the extension tube of plug valve with one.
Thrombus suction catheter in thrombosis suction system of the present invention, its catheter body adopts ultra-thin tube wall, roomy inner chamber and the design of single lumen catheter road, smooth and easy efficient performance while ensureing thrombosis suction, the outer rim of the distal face of taper pipeline section and lining core is rounding horn shape, be convenient to thrombus suction catheter entirety intravasation, reduce the damage to human body, catheter body is provided with the oval side opening of Spiral distribution, be convenient to aspirate smoothly thrombosis larger in blood vessel, with the situation that prevents that thrombosis that volume is larger from cannot aspirate, multiple oval side openings are convenient to doctor and are operated conduit arrival diseased region, also can make the thrombosis suction in blood vessel complete, reach best therapeutic effect.
When thrombus suction catheter by the autoblood with thrombosis in human peripheral blood vessel sucking-off, Blood bottle can carry out efficient recovery filtration, purification to this autoblood with thrombosis, remove thrombosis wherein, this autoblood can be utilized quickly and efficiently, avoided the untoward reaction such as the pollution of allosome blood to patient.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of thrombus suction catheter in the present invention;
Fig. 3 is the partial enlarged drawing at A place in Fig. 2;
Fig. 4 is the partial enlarged drawing at B place in Fig. 2;
Fig. 5 is the cutaway view of Blood bottle in the present invention;
Fig. 6 is the partial enlarged drawing at C place in Fig. 5;
Fig. 7 is the partial enlarged drawing at D place in Fig. 5;
Fig. 8 is structural representation when thrombus suction catheter is with the combination of lining core in the present invention;
Fig. 9 is the partial enlarged drawing at E place in Fig. 8.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Refer to Fig. 1, there is shown thrombosis suction system of the present invention, comprise the Blood bottle 2 of thrombus suction catheter 1 and supporting connection with it.
Refer to Fig. 2 to Fig. 4, there is shown the thrombus suction catheter 1 in the present invention, the catheter block 12 that comprises catheter body 11 and be connected with catheter body 11 near-ends, the near-end of catheter block 12 is provided with standard female female Luer 121, catheter body 11 comprises straight length 112 and is located at these straight length 112 far-ends and integrated taper pipeline section 111 with it, the far-end of taper pipeline section 111 is provided with opening 1111, the outer wall that straight length 112 is positioned at far-end is provided with six around these straight length 112 Spiral distributions and the oval side opening 1121 being communicated with straight length 112 inner chambers respectively, and adjacent two oval side openings 1121 are mutually vertical to the vertical line of straight length 12 axis respectively, the major axis of oval side opening 1121 is the axis direction setting along catheter body 11, and the number of oval side opening 1121 is four, six, eight or ten.
The outer rim of taper pipeline section 111 distal faces is rounding horn shape.
The tube wall that straight length 112 is positioned at distal-most end is embedded with a developing ring 1122.
In catheter body 11 and adjacent pipes seat 12 places are arranged with a protecting pipe 15.
Catheter body 11 straight lengths 112 have three kinds of specifications, be respectively: external diameter is that 2.0mm, internal diameter are 1.65mm, or external diameter is that 2.33mm, internal diameter are 1.95mm, or external diameter is that 2.66mm, internal diameter are 2.16mm, catheter body 11 adopts metal knitted tubular construction, owing to adopting ultra-thin tube wall and the design of roomy inner chamber, smooth and easy efficient performance while ensureing thrombosis suction;
Catheter body 11 adopts polytetrafluoroethylene (PTFE) to make, and ensures that catheter body 11 surfaces are very smooth and has good rigidity and toughness;
Oval side opening 1121 in catheter body 11, be convenient to aspirate smoothly thrombosis larger in blood vessel, with the situation that prevents that thrombosis that volume is larger from cannot aspirate, multiple oval side openings 1121 are convenient to doctor and are operated conduit arrival diseased region, also can make the thrombosis suction in blood vessel complete, reach best therapeutic effect;
Catheter body 11 far-ends are taper pipeline section 111, and most advanced and sophisticated outer rim is rounding structure, are convenient to conduit intravasation of the present invention, patient's sense of discomfort and reduce the damage of conduit to blood vessel wall when alleviating conduit of the present invention and entering human body.
Refer to Fig. 5 to Fig. 7, there is shown the Blood bottle 2 in the present invention, comprise bottle 21, the bottle cap 22 of being located at bottle 21 open end and being tightly connected with this bottle 21, and be located at the thrombosis drainage screen 242 in bottle 21, on bottle cap 22, be respectively equipped with negative pressure aspirator connector 221 and thrombus suction catheter connector 222, the entrance point of thrombus suction catheter connector 222 is connected by the public female Luer 231 of connection tube 232 and the first standard, the bottom of bottle 21 lateral walls is provided with a blood pump orifice 214, the inwall of bottle 21 is provided with a ring-shaped step 211, the added thrombosis drainage screen gland 24 that is provided with of step surface of ring-shaped step 211, thrombosis drainage screen 242 is located between thrombosis drainage screen gland 24 and the step surface of ring-shaped step 211, the middle part of bottle 21 bottom surfaces is provided with a boss raising up 212, boss 212 to the annular region between bottle 21 bottom edge is a ring-shaped groove 213, the two side of ring-shaped groove 213 is for being obliquely installed and intersecting in bottommost, one end of blood pump orifice 214 is communicated with ring-shaped groove 213, extension tube 252 with plug valve 251 is connected the other end with one.
Thrombosis drainage screen gland 24 is hollow tube-shape structure, and the phase position on the edge of these thrombosis drainage screen gland 24 upper end open is respectively provided with a horizontally extending handle 241 to the inside.
Bottle 21 is threaded connection with bottle cap 22, and bottle 21 is provided with an O RunddichtringO 26 with the junction of bottle cap 22.
The port of export of thrombus suction catheter connector 222 stretches in the inner chamber of bottle 21.
Bottle 21 adopts clear polycarbonate to make, and bottle cap 22 adopts ABS to make, and thrombosis drainage screen gland 24 adopts nylon to make, and connection tube 232 and extension tube 252 all adopt the TPE pipe of 4*6, can reduce blood coagulation.
It is that the nylon yarn braiding of 100 microns forms that thrombosis drainage screen 242 adopts wire diameter, and the screen distance of this thrombosis drainage screen 242 is 200 microns.
Refer to Fig. 8 and Fig. 9, before use, need first lining core to be inserted in the inner chamber of thrombus suction catheter 1, the lining core print seat 14 that lining core comprises lining core body 13 and is connected with lining core body 13 near-ends, the far-end of lining core body 13 inserts successively catheter block 12 and catheter body 11 and stretches out from the far-end of catheter body 11, lining core print seat 14 far-ends are provided with the public female Luer 141 of the second standard matching with this catheter block 12 standard female female Luer 121, lining core body 13 far-ends that stretch out taper pipeline section 111 openings 1111 have the pyramidal structure with taper pipeline section 111 identical taperings, be convenient to conduit entirety intravasation, reduce the damage to human body.
The outer rim of the distal face of lining core body 13 is rounding horn shape.Between lining core body 13 and lining core print seat 141, be provided with an epoxy resin bonding layer;
Lining core body 13 adopts high density polyethylene (HDPE) to make, and has larger hardness, and catheter body 11 has been played to good supportive, has increased the rigidity of catheter body 11, especially provides large support to oval side opening 1121 positions in catheter body 1.
First lining core is inserted in the inner chamber of thrombus suction catheter 1, lining core print seat 14 links together by the public female Luer 141 of the second standard and standard female female Luer 121 with catheter block 12, lining core is with thrombus suction catheter 1 intravasation, when the oval side opening 1121 of thrombus suction catheter 1 far-end arrives after diseased region, lining core is withdrawn from from thrombus suction catheter 1.
Then the negative pressure aspirator connector 221 of Blood bottle 2 is connected with negative pressure aspirator, thrombus suction catheter 1 is connected with Blood bottle 2 with standard female female Luer 121 by the public female Luer 231 of the first standard.Open after negative pressure aspirator, when the negative pressure in Blood bottle 2 arrives certain pressure, thrombus suction catheter 1 can aspirate the thrombosis in blood vessel.After thrombosis suction completely, thrombus suction catheter 1 is withdrawn from from human body.Enter Blood bottle 2 with the blood of thrombosis, thrombosis drainage screen 242 processes of blood from Blood bottle 2, thrombosis is filtered out by thrombosis drainage screen 242, and blood flows into the bottle end.Bottle 21 bottom center are provided with boss 212, between boss 212 and bottle 21 bottom edge, be provided with ring-shaped groove 213, the two side of ring-shaped groove 213 is for being obliquely installed and intersecting in bottommost, make blood after filtration, purification can converge at the bottom of ring-shaped groove 213, and then by products such as syringes, from the blood pump orifice 214 of Blood bottle 2 bottoms, extract the blood that has filtered thrombosis out, allow blood return to human body.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (10)
1. a thrombosis suction system, is characterized in that, described thrombosis suction system comprises thrombus suction catheter and the Blood bottle of supporting connection with it, wherein:
The catheter block that described thrombus suction catheter comprises catheter body and is connected with described catheter body near-end, described catheter body comprises straight length and is located at this straight length far-end and integrated taper pipeline section with it, the far-end of described taper pipeline section is provided with opening, the outer wall that described straight length is positioned at far-end is provided with even number around this straight length Spiral distribution and the oval side opening being communicated with straight length inner chamber respectively, and adjacent two oval side openings are mutually vertical to the vertical line of described straight length axis respectively;
Described Blood bottle comprises bottle, the bottle cap of being located at described bottle open end and being connected with this sealing bottle, and be located at the thrombosis drainage screen in described bottle, on described bottle cap, be respectively equipped with negative pressure aspirator connector and thrombus suction catheter connector, the port of export of described thrombus suction catheter connector stretches in the inner chamber of described bottle, the bottom of described bottle lateral wall is provided with a blood pump orifice, the inwall of described bottle is provided with a ring-shaped step, the added thrombosis drainage screen gland that is provided with of step surface of described ring-shaped step, described thrombosis drainage screen is located between described thrombosis drainage screen gland and the step surface of ring-shaped step, the middle part of described bottle bottom surface is provided with a boss raising up, described boss to the annular region between bottle bottom edge is a ring-shaped groove, the two side of described ring-shaped groove is for being obliquely installed and intersecting in bottommost, described blood pump orifice is communicated with described ring-shaped groove,
The thrombus suction catheter connector of described Blood bottle is connected with the near-end of the catheter block of described thrombus suction catheter by connection tube.
2. a kind of thrombosis suction system as claimed in claim 1, is characterized in that, described oval side opening is the axis direction setting along described catheter body, and the number of described oval side opening is from four to ten even number.
3. a kind of thrombosis suction system as claimed in claim 1, it is characterized in that, the outer rim of described taper pipeline section distal face is rounding horn shape, and the tube wall that described straight length is positioned at distal-most end is embedded with a developing ring, and in described catheter body and contiguous described catheter block place is arranged with a protecting pipe.
4. a kind of thrombosis suction system as claimed in claim 1, is characterized in that, described catheter body adopts politef to make.
5. a kind of thrombosis suction system as claimed in claim 1, is characterized in that, the external diameter of described catheter body straight length is that 2.0mm, internal diameter are 1.65mm, or external diameter is that 2.33mm, internal diameter are 1.95mm, or external diameter is that 2.66mm, internal diameter are 2.16mm.
6. a kind of thrombosis suction system as claimed in claim 1, is characterized in that, described thrombosis drainage screen gland is hollow tube-shape structure, and the phase position on the edge of this thrombosis drainage screen gland upper end open is respectively provided with a horizontally extending handle to the inside.
7. a kind of thrombosis suction system as claimed in claim 1, is characterized in that, described bottle and bottle cap are threaded connection, and the junction of described bottle and bottle cap is provided with an O RunddichtringO.
8. a kind of thrombosis suction system as claimed in claim 1, is characterized in that, described bottle adopts clear polycarbonate to make, and described bottle cap adopts ABS to make, and described thrombosis drainage screen gland adopts nylon to make.
9. a kind of thrombosis suction system as claimed in claim 1, is characterized in that, described thrombosis drainage screen employing wire diameter is that the nylon yarn braiding of 100 microns forms, and the screen distance of this thrombosis drainage screen is 200 microns.
10. a kind of thrombosis suction system as claimed in claim 1, is characterized in that, described blood pump orifice is connected with the extension tube of plug valve with one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410106789.9A CN103932756B (en) | 2014-03-21 | 2014-03-21 | A kind of Biochemical analyzer system |
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| CN201410106789.9A CN103932756B (en) | 2014-03-21 | 2014-03-21 | A kind of Biochemical analyzer system |
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| CN103932756A true CN103932756A (en) | 2014-07-23 |
| CN103932756B CN103932756B (en) | 2016-07-20 |
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| CN201410106789.9A Active CN103932756B (en) | 2014-03-21 | 2014-03-21 | A kind of Biochemical analyzer system |
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| CN105342668A (en) * | 2015-12-11 | 2016-02-24 | 河南亚都实业有限公司 | Suction catheter for sucking thrombotic substances |
| CN106474580A (en) * | 2016-09-19 | 2017-03-08 | 成都测迪森生物科技有限公司 | Thrombosis filtering blood retracting device |
| DE202017105494U1 (en) | 2017-09-11 | 2017-09-25 | Henan YADU Industry Co., Ltd. | Thrombus-aspiration catheter |
| CN107252339A (en) * | 2016-04-14 | 2017-10-17 | 丰凯医疗器械（上海）有限公司 | Intravascular Thrombus suction system |
| CN108697423A (en) * | 2016-02-16 | 2018-10-23 | 伊瑟拉医疗公司 | The part flow arrangement of suction unit and anchoring |
| CN108778164A (en) * | 2015-11-30 | 2018-11-09 | 彼然华医疗有限公司 | Obstruction removes |
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