CN105380693A - Blood occlusion device for hepatic operation - Google Patents

Blood occlusion device for hepatic operation Download PDF

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Publication number
CN105380693A
CN105380693A CN201510748887.7A CN201510748887A CN105380693A CN 105380693 A CN105380693 A CN 105380693A CN 201510748887 A CN201510748887 A CN 201510748887A CN 105380693 A CN105380693 A CN 105380693A
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blood
siphunculus
slow release
liver
release layer
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CN201510748887.7A
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CN105380693B (en
Inventor
向红先
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NANJING CHANGFENG BIOTECHNOLOGY CO., LTD.
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Chengdu Yuya Science and Technology Co Ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12027Type of occlusion
    • A61B17/12031Type of occlusion complete occlusion
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12027Type of occlusion
    • A61B17/1204Type of occlusion temporary occlusion
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12099Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
    • A61B17/12109Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12131Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
    • A61B17/1214Coils or wires
    • A61B17/12145Coils or wires having a pre-set deployed three-dimensional shape
    • 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
    • A61M31/00Devices for introducing or retaining media, e.g. remedies, in cavities of the body

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Reproductive Health (AREA)
  • Vascular Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

The invention discloses a blood occlusion device for a hepatic operation. The device comprises a tube body capable of being planted into a blood vessel. A displacement prevention device is arranged on the outer surface of one end of the tube body. A cavity is arranged inside the tube body. A blood occlusion device body is arranged inside the cavity. The displacement prevention device comprises an expander. The expander comprises a plurality of step protrusions evenly arranged on the outer surface of one end of the tube body. The step protrusions are in a wedge shape. An adjusting groove is formed in the surface, matched with the outer surface of the tube body, of each step protrusion. A groove is formed in the position, matched with each adjusting groove, of the tube body. According to the technical scheme, the displacement prevention device and the blood occlusion device are indispensable; if the displacement prevention device is omitted, the fixed position cannot be ensured, and the operation progress is affected; if the blood occlusion device is omitted, the predetermined effect cannot be achieved. The displacement prevention device and the blood occlusion device are operated in the operation process, so that the operation time is greatly shortened, and the survival probability of a patient is increased.

Description

A kind of operation on liver bloodstream blocking device
Technical field
The present invention relates to a kind of operation on liver bloodstream blocking device, belong to medical instruments field.
Background technology
After hepatic vein root and liver, injury of inferior vena cava is one of the most reluctant situation in trauma of abdomen surgery, mortality rate is high, in case and few diagnosis and treatment central death rate even can reach 80-100%, it is very difficult that reason appears wound exactly, even if appear reluctantly also with massive hemorrhage and or aeroembolism for cost, and surgical field of view clearly can not be obtained.
The certain methods of forefathers has: 1. the soft conduit using hollow, but the blocking-up postcava that dissociates respectively on the liver needed and under liver, insert and block band, even need out breast; 2. use the two soft conduit of sacculus in upper and lower two ends to realize total hepatic vascular exclusion, but operability is poor, efficiency is low, facts have proved and does not obtain good survival rate, is going out of use gradually now; 3. use external blood shunting device, but complex operation, conditional request is high, cannot extensively popularize; 4. pole single cases, overlay film frame is used to realize hemostasis, but need to carry out under the condition of Digital Subtraction, just no longer take out after this stenter to implant, its follow-up such as thrombosis, embolic risk is self-evident, and simultaneously this method needs to carry out under vital sign patient is relatively stable, and for being in massive hemorrhage, to carry out the patient of phase not applicable.
Summary of the invention
For the deficiency that prior art exists, technical problem to be solved by this invention is, a kind of operation on liver bloodstream blocking device is provided, solve the weak point of existing blood blocking vessel, Inferior Vena Cava Blood Flow can be stoped to outflow from wound, obtain surgical field of view clearly, be convenient to repair vascular injury site.
For solving the problems of the technologies described above, the technical scheme that the present invention takes is, a kind of operation on liver bloodstream blocking device, comprise the body in implantable vessel, one end outer surface of described body is provided with non-displacement device, and the inside of body is provided with cavity, is provided with blood blocking vessel in cavity; Described non-displacement device comprises dilator, and it is protruding that dilator comprises some steps be evenly arranged on the outer surface of body one end, and step projection is wedge shape; The surface that described step projection coordinates with outer surface of tube body is provided with adjustment tank, the position that body coordinates with adjustment tank is provided with fluting; Described adjustment tank is wedge shape fluting, and the direction that the degree of depth of adjustment tank increases is consistent with the direction that step height of projection increases; Some expanding bar is provided with in described cavity; One end and the adjustment tank of described expanding bar slidingly contact, and the other end is connected with a loop connecting device, and dilator and loop connecting device are rotationally connected; Described blood blocking vessel comprises some valves be arranged in cavity; One end of described valve is connected by axis of rotation with cavity inner wall, and the other end is rotatably connected to a catch bar; Described catch bar is rotatably connected to knee, and knee is rotatably connected to a pushing ring; Described blood blocking vessel comprises well a blood siphunculus, and loop connecting device and pushing ring are socketed on blood siphunculus, and blood siphunculus is also socketed with an adjustment ring, adjustment ring is connected by threads turn with blood siphunculus.
Optimize, above-mentioned operation on liver bloodstream blocking device, described blood siphunculus is provided with trumpet-shaped opening near one end of valve, the inwall of blood siphunculus is provided with medicament slow release layer I and medicament slow release layer II, and medicament slow release layer I and medicament slow release layer II are outside equipped with medicament slow release hole.
Optimize, above-mentioned operation on liver bloodstream blocking device, is provided with anticoagulation medicine in described medicament slow release layer I, medicament slow release layer II is coated with spasmolytic medicine.
Optimize, above-mentioned operation on liver bloodstream blocking device, described anticoagulation medicine is heparin, and spasmolytic medicine is baclofen.
Optimize, above-mentioned operation on liver bloodstream blocking device, described valve is Inflatable air bag type valve.
Optimize, above-mentioned operation on liver bloodstream blocking device, described blood siphunculus is provided with some adjustment scales on the surface, and the spacing between adjustment scale is 1/13 of catch bar length.
The invention has the advantages that:
(1) be provided with non-displacement device, facilitate bloodstream blocking device and fix in endovascular position, in operation process, will device be caused because of muscular tremor to be shifted, improve dependability.
(2) fixture of wedge shape is more smooth when device intravasation, and can provide enough fixing holding powers.
(3) when bloodstream blocking device intravasation, loop connecting device is on the punctured position of blood siphunculus, and expanding bar is now in and is in minimum state with the angle of blood siphunculus, step projections collapse, facilitates bloodstream blocking device intravasation.
When bloodstream blocking device intravasation precalculated position, loop connecting device is slided on blood siphunculus, the angle of expanding bar and blood siphunculus becomes large gradually, expanding bar expands outwardly, thus impels step projection to expand outwardly, when step projection reaches with blood vessel contact condition, stop mobile ring-type adapter, during the protruding contact pressure 150mmHG with blood vessel of step, be optimum pressure state, under this state, stationary state is best and can not injured blood vessel wall.
(4) the application is by valve blocking blood flow, and pushing ring promotes knee, and knee drives catch bar, and catch bar promotes the closed expansion of valve.
(5) pushing ring and loop connecting device are socketed on blood siphunculus simultaneously, when the adjustment ring on blood siphunculus is moved on blood siphunculus, adjustment ring can promote pushing ring and loop connecting device simultaneously, move both after making identical displacement on blood siphunculus simultaneously, the i.e. non-displacement device of this device and the action simultaneously of blood blocking vessel, once-through operation can complete location and blood blocks, and saves operating time.
(6) consider that volume is minimum because this device is endovascular device, how measuring step protruding is a difficult problem with the force value of blood vessel.Based on this point, the step projection of the application can be installed an air bag, air bag connects an airsac tube, and airsac tube connects type inflatable air pressure determinator, like this by measuring the inner gas pressure of air bag, step projection can be made to ensure best contact condition when contacting with blood vessel.
(7) in operation process, if generation muscle spasm, blood vessel can produce wriggling, thus affect bloodstream blocking device in endovascular position, the application overcomes this difficult point, when adjusting adjustment ring, non-displacement device and the action simultaneously of blood blocking vessel, in the process, but blood flow reduces gradually can not block completely for some time, now, the blood of some flows through in blood siphunculus, now, the anticoagulation medicine of coating in the medicament slow release layer I in blood siphunculus, on medicament slow release layer II, the spasmolytic medicine of coating enters in blood slowly, serve anticoagulation and antitetanic effect, stabilize device in endovascular position.
(8) use heparin as anticoagulant, heparin is as a kind of conventional anticoagulant, be mainly used in thrombotic disease, myocardial infarction, operation on vessels of heart, cardia catheterization, extracorporeal circulation, hemodialysis etc. clinically, for liver be because first heparin finds and liver cell, and be applied to liver and can arrive beyond thought anticoagulant effect, prevent device in Ink vessel transfusing overlong time, the symptom of local thrombus occurs, ensure that the probability of success of operation.
In the technical scheme of the application, non-displacement device and blood blocking vessel indispensable, lack non-displacement device, do not ensure fixed position, affect operation progress, having lacked blood blocking vessel cannot reach desired effects, and is action simultaneously in operation process both this, save operating time greatly like this, improve the survival probability of patient.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
1 be body, 2 be cavity in figure, 3 for step is protruding, 4 be adjustment tank, 5 be fluting, 6 be expanding bar, 7 be loop connecting device, 8 be valve, 9 be catch bar, 10 be knee, 11 be pushing ring, 12 be blood siphunculus, 13 be adjustment ring, 14 for medicament slow release layer I, 15 be medicament slow release layer II.
Detailed description of the invention
Technical characterstic of the present invention is set forth further below in conjunction with accompanying drawing and specific embodiment.
Detailed description of the invention
The present invention is a kind of operation on liver bloodstream blocking device, comprises the body in implantable vessel, and one end outer surface of described body is provided with non-displacement device, and the inside of body is provided with cavity, is provided with blood blocking vessel in cavity; Described non-displacement device comprises dilator, and it is protruding that dilator comprises some steps be evenly arranged on the outer surface of body one end, and step projection is wedge shape; The surface that described step projection coordinates with outer surface of tube body is provided with adjustment tank, the position that body coordinates with adjustment tank is provided with fluting; Described adjustment tank is wedge shape fluting, and the direction that the degree of depth of adjustment tank increases is consistent with the direction that step height of projection increases; Some expanding bar is provided with in described cavity; One end and the adjustment tank of described expanding bar slidingly contact, and the other end is connected with a loop connecting device, and dilator and loop connecting device are rotationally connected; Described blood blocking vessel comprises some valves be arranged in cavity; One end of described valve is connected by axis of rotation with cavity inner wall, and the other end is rotatably connected to a catch bar; Described catch bar is rotatably connected to knee, and knee is rotatably connected to a pushing ring; Described blood blocking vessel comprises well a blood siphunculus, and loop connecting device and pushing ring are socketed on blood siphunculus, and blood siphunculus is also socketed with an adjustment ring, adjustment ring is connected by threads turn with blood siphunculus; Described blood siphunculus is provided with trumpet-shaped opening near one end of valve, the inwall of blood siphunculus is provided with medicament slow release layer I and medicament slow release layer II, and medicament slow release layer I and medicament slow release layer II are outside equipped with medicament slow release hole; Be provided with anticoagulation medicine in described medicament slow release layer I, medicament slow release layer II be coated with spasmolytic medicine; Described anticoagulation medicine is heparin, and spasmolytic medicine is baclofen; Described valve is Inflatable air bag type valve; Described blood siphunculus is provided with some adjustment scales on the surface, and the spacing between adjustment scale is 1/13 of catch bar length.
The invention has the advantages that:
(1) be provided with non-displacement device, facilitate bloodstream blocking device and fix in endovascular position, in operation process, will device be caused because of muscular tremor to be shifted, improve dependability.
(2) fixture of wedge shape is more smooth when device intravasation, and can provide enough fixing holding powers.
(3) when bloodstream blocking device intravasation, loop connecting device is on the punctured position of blood siphunculus, and expanding bar is now in and is in minimum state with the angle of blood siphunculus, step projections collapse, facilitates bloodstream blocking device intravasation.
When bloodstream blocking device intravasation precalculated position, loop connecting device is slided on blood siphunculus, the angle of expanding bar and blood siphunculus becomes large gradually, expanding bar expands outwardly, thus impels step projection to expand outwardly, when step projection reaches with blood vessel contact condition, stop mobile ring-type adapter, during the protruding contact pressure 150mmHG with blood vessel of step, be optimum pressure state, under this state, stationary state is best and can not injured blood vessel wall.
(4) the application is by valve blocking blood flow, and pushing ring promotes knee, and knee drives catch bar, and catch bar promotes the closed expansion of valve.
(5) pushing ring and loop connecting device are socketed on blood siphunculus simultaneously, when the adjustment ring on blood siphunculus is moved on blood siphunculus, adjustment ring can promote pushing ring and loop connecting device simultaneously, move both after making identical displacement on blood siphunculus simultaneously, the i.e. non-displacement device of this device and the action simultaneously of blood blocking vessel, once-through operation can complete location and blood blocks, and saves operating time.
(6) consider because this device is endovascular device, volume is minimum, how measuring step protruding is a difficult problem with the force value of blood vessel, based on this point, the step projection of the application can be installed an air bag, air bag connects an airsac tube, and airsac tube connects type inflatable air pressure determinator, like this by measuring the inner gas pressure of air bag, step projection can be made to ensure best contact condition when contacting with blood vessel.
(7) in operation process, if generation muscle spasm, blood vessel can produce wriggling, thus affect bloodstream blocking device in endovascular position, the application overcomes this difficult point, when adjusting adjustment ring, non-displacement device and the action simultaneously of blood blocking vessel, in the process, but blood flow reduces gradually can not block completely for some time, now, the blood of some flows through in blood siphunculus, now, the anticoagulation medicine of coating in the medicament slow release layer I in blood siphunculus, on medicament slow release layer II, the spasmolytic medicine of coating enters in blood slowly, serve anticoagulation and antitetanic effect, stabilize device in endovascular position.
(8) use heparin as anticoagulant, heparin is as a kind of conventional anticoagulant, be mainly used in thrombotic disease, myocardial infarction, operation on vessels of heart, cardia catheterization, extracorporeal circulation, hemodialysis etc. clinically, for liver be because first heparin finds and liver cell, and be applied to liver and can arrive beyond thought anticoagulant effect, prevent device in Ink vessel transfusing overlong time, the symptom of local thrombus occurs, ensure that the probability of success of operation.
In the technical scheme of the application, non-displacement device and blood blocking vessel indispensable, lack non-displacement device, do not ensure fixed position, affect operation progress, having lacked blood blocking vessel cannot reach desired effects, and is action simultaneously in operation process both this, save operating time greatly like this, improve the survival probability of patient.
Certainly, above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited to above-mentioned citing; those skilled in the art; in essential scope of the present invention, the change made, remodeling, interpolation or replacement, all should belong to protection scope of the present invention.

Claims (6)

1. an operation on liver bloodstream blocking device, is characterized in that: comprise the body in implantable vessel, and one end outer surface of described body is provided with non-displacement device, and the inside of body is provided with cavity, is provided with blood blocking vessel in cavity; Described non-displacement device comprises dilator, and it is protruding that dilator comprises some steps be evenly arranged on the outer surface of body one end, and step projection is wedge shape; The surface that described step projection coordinates with outer surface of tube body is provided with adjustment tank, the position that body coordinates with adjustment tank is provided with fluting; Described adjustment tank is wedge shape fluting, and the direction that the degree of depth of adjustment tank increases is consistent with the direction that step height of projection increases; Some expanding bar is provided with in described cavity; One end and the adjustment tank of described expanding bar slidingly contact, and the other end is connected with a loop connecting device, and dilator and loop connecting device are rotationally connected; Described blood blocking vessel comprises some valves be arranged in cavity; One end of described valve is connected by axis of rotation with cavity inner wall, and the other end is rotatably connected to a catch bar; Described catch bar is rotatably connected to knee, and knee is rotatably connected to a pushing ring; Described blood blocking vessel comprises well a blood siphunculus, and loop connecting device and pushing ring are socketed on blood siphunculus, and blood siphunculus is also socketed with an adjustment ring, adjustment ring is connected by threads turn with blood siphunculus.
2. operation on liver bloodstream blocking device according to claim 1, it is characterized in that: described blood siphunculus is provided with trumpet-shaped opening near one end of valve, the inwall of blood siphunculus is provided with medicament slow release layer I and medicament slow release layer II, medicament slow release layer I and medicament slow release layer II are outside equipped with medicament slow release hole.
3. operation on liver bloodstream blocking device according to claim 2, is characterized in that: be provided with anticoagulation medicine in described medicament slow release layer I, medicament slow release layer II be coated with spasmolytic medicine.
4. operation on liver bloodstream blocking device according to claim 3, it is characterized in that: described anticoagulation medicine is heparin, spasmolytic medicine is baclofen.
5. operation on liver bloodstream blocking device according to claim 1, is characterized in that: described valve is Inflatable air bag type valve.
6. operation on liver bloodstream blocking device according to claim 5, is characterized in that: described blood siphunculus is provided with some adjustment scales on the surface, and the spacing between adjustment scale is 1/13 of catch bar length.
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Cited By (9)

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Publication number Priority date Publication date Assignee Title
CN107569268A (en) * 2017-11-01 2018-01-12 成都吱吖科技有限公司 A kind of intravascular hemostasis occluding catheter
CN107693081A (en) * 2017-11-01 2018-02-16 成都吱吖科技有限公司 Bloodstream blocking support is used in one kind operation
CN107693080A (en) * 2017-11-01 2018-02-16 成都吱吖科技有限公司 The bloodstream blocking support that a kind of anti-hemostatic tube is adhered
CN107736909A (en) * 2017-10-13 2018-02-27 上海长海医院 Cerebral arteriovenous malformation interventional embolization is postoperative to stay pipe cutting device
CN107822686A (en) * 2017-11-01 2018-03-23 成都吱吖科技有限公司 A kind of jacket-type bloodstream blocking plug
CN107928741A (en) * 2017-12-12 2018-04-20 成都育芽科技有限公司 A kind of Vascular haemostasis blocks stent
CN109152908A (en) * 2016-05-16 2019-01-04 瓣膜医学有限公司 The Temporary Valve sheath of reversion
CN113967049A (en) * 2021-09-26 2022-01-25 汪莉 Hemostatic stent for heart great vessel operation
CN117159073A (en) * 2023-09-11 2023-12-05 项日葵医疗科技(上海)有限公司 Vena cava occlusion device with folded mesh

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109152908A (en) * 2016-05-16 2019-01-04 瓣膜医学有限公司 The Temporary Valve sheath of reversion
CN109152908B (en) * 2016-05-16 2021-06-08 瓣膜医学有限公司 Inverted temporary valve sheath
CN107736909A (en) * 2017-10-13 2018-02-27 上海长海医院 Cerebral arteriovenous malformation interventional embolization is postoperative to stay pipe cutting device
CN107736909B (en) * 2017-10-13 2023-09-01 上海长海医院 Left tube cutting device after cerebral artery and vein malformation interventional embolism operation
CN107569268A (en) * 2017-11-01 2018-01-12 成都吱吖科技有限公司 A kind of intravascular hemostasis occluding catheter
CN107822686A (en) * 2017-11-01 2018-03-23 成都吱吖科技有限公司 A kind of jacket-type bloodstream blocking plug
CN107693080A (en) * 2017-11-01 2018-02-16 成都吱吖科技有限公司 The bloodstream blocking support that a kind of anti-hemostatic tube is adhered
CN107693081B (en) * 2017-11-01 2020-05-15 张学利 Blood flow blocking support for operation
CN107822686B (en) * 2017-11-01 2020-06-05 西安交通大学医学院第一附属医院 Outer sleeve type blood flow blocking plug
CN107693081A (en) * 2017-11-01 2018-02-16 成都吱吖科技有限公司 Bloodstream blocking support is used in one kind operation
CN107928741A (en) * 2017-12-12 2018-04-20 成都育芽科技有限公司 A kind of Vascular haemostasis blocks stent
CN107928741B (en) * 2017-12-12 2020-07-28 吴蓉洲 Blood vessel hemostasis blocking support
CN113967049A (en) * 2021-09-26 2022-01-25 汪莉 Hemostatic stent for heart great vessel operation
CN117159073A (en) * 2023-09-11 2023-12-05 项日葵医疗科技(上海)有限公司 Vena cava occlusion device with folded mesh
CN117159073B (en) * 2023-09-11 2024-04-02 项日葵医疗科技(上海)有限公司 Vena cava occlusion device with folded mesh

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