CN111281463A - Perfusion flow guiding device for avoiding deep low temperature stop circulation in aortic total-arch replacement - Google Patents
Perfusion flow guiding device for avoiding deep low temperature stop circulation in aortic total-arch replacement Download PDFInfo
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- CN111281463A CN111281463A CN202010113292.5A CN202010113292A CN111281463A CN 111281463 A CN111281463 A CN 111281463A CN 202010113292 A CN202010113292 A CN 202010113292A CN 111281463 A CN111281463 A CN 111281463A
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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
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12027—Type of occlusion
- A61B17/12031—Type of occlusion complete occlusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/12136—Balloons
-
- A61M1/0023—
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1002—Balloon catheters characterised by balloon shape
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1011—Multiple balloon catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/1052—Balloon catheters with special features or adapted for special applications for temporarily occluding a vessel for isolating a sector
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/1061—Balloon catheters with special features or adapted for special applications having separate inflations tubes, e.g. coaxial tubes or tubes otherwise arranged apart from the catheter tube
Abstract
A perfusion and flow guide device for avoiding deep low temperature stop circulation in aortic total-arch replacement belongs to the technical field of surgical medical instruments, and blood is shunted to an aortic arch upper branch from a descending aorta. The technical scheme is as follows: the main guide pipe is connected with three branch guide pipes which are respectively surrounded with branch ball bags, the three branch ball bags are respectively connected with branch ball bag air inlet pipes, branch flow guide blocking clamps are respectively arranged on the three branch guide pipes, and the air inlet ends of the main ball bag air inlet pipe and the branch ball bag air inlet pipes are respectively connected with external air delivery pipes. The invention creatively applies the three branch diversion pipelines with the blocking saccule and the suction device to the aortic total arch replacement operation, and maintains the blood supply of the brain and the lower half body during the suturing of the distal aortic anastomosis, thereby avoiding the deep low temperature stop circulation, greatly reducing the postoperative complications and improving the operation effect.
Description
Technical Field
The invention relates to a flow guide device for shunting blood from descending aorta to upper branches of aortic arch in aortic full-arch replacement surgery, belonging to the technical field of surgical medical instruments.
Background
Thoracic aortic aneurysm, acute and chronic A-type aortic dissection and other diseases are major diseases of cardiac surgery, the aortic arch part is often required to be replaced by an artificial blood vessel, and aortic full-arch replacement and bracket elephant nose surgery are regarded as important operation formulas for solving the problem. At present, the operation type must adopt a deep low temperature stopping circulation technology, namely, the whole body is required to be cooled during the operation, when the temperature of nasopharynx is reduced to 18-20 ℃, the unilateral selective cerebral perfusion is performed through the axillary artery or innominate artery intubation, because of the relative insufficiency of perfusion volume, the cerebral ischemic injury and the high complication rate are possibly caused, and simultaneously, because the body below the descending aorta stops the blood perfusion circulation, including the spinal cord, the liver, the kidney, the digestive tract and the like are all in the ischemic state, a series of fatal complications such as the damage of blood coagulation mechanism, the internal environment disorder, the damage of liver and kidney functions, the gastrointestinal tract dysfunction, the spinal cord injury and the like can be caused. In order to avoid the ischemia injury of the body, a surgeon must contend for seconds to complete the suturing of the arcus artificial blood vessel and the descending aorta proximal anastomosis so as to recover the blood supply of the lower half of the body as soon as possible. However, not all doctors can complete the operation in high quality within 20-30 min, and if the suture quality of the distal anastomosis is poor, a large amount of blood seeps and even death occurs after the operation. Therefore, how to effectively carry out cerebral perfusion and avoid deep hypothermia stopping circulation can improve the survival rate of the operation type, and has important clinical value.
Disclosure of Invention
The invention aims to solve the technical problem of providing a perfusion flow guide device for avoiding low-temperature circulatory arrest in aortic full-arch replacement, which can guide the blood flow of descending aorta into a main aortic arch part branch, avoid low-temperature systemic circulation, provide sufficient blood supply for brain, and maintain the bloodless field of view of an artificial blood vessel at the arch part and a proximal anastomosis orifice of the descending aorta, thereby reducing postoperative complications and improving the operation quality.
The technical scheme for solving the technical problems is as follows:
avoid filling guiding device of dark low temperature stop cycle in aortic total arch replacement art, it includes main flow guide pipe, main sacculus intake pipe, branch's honeycomb duct, branch's sacculus intake pipe, branch's honeycomb duct blocks the clamp, it has main sacculus to encircle on the one end outer wall of main flow guide pipe, main sacculus is connected with main sacculus intake pipe, the other end of main flow guide pipe is connected with the one end of three branch's honeycomb duct, the other end of three branch's honeycomb duct is respectively surrounded and is had branch's sacculus, three branch's sacculus is connected with branch's sacculus intake pipe respectively, it blocks the clamp to have branch's water conservancy diversion on the three branch's honeycomb duct respectively, the inlet.
The main balloon and the branch balloons are spherical, or double-spherical, or elliptical or cylindrical, the main balloon air inlet pipe is an independent hollow catheter, or the main balloon air inlet pipe is embedded in the pipe wall of the main flow guide pipe, a main balloon air inlet is arranged on the pipe wall of the main flow guide pipe and connected with the main balloon air inlet pipe, the branch balloon air inlet pipe is an independent hollow catheter, or the branch balloon air inlet pipe is embedded in the pipe wall of the branch flow guide pipe, and a branch balloon air inlet is arranged on the pipe wall of the branch flow guide pipe and connected with the branch balloon air inlet pipe.
The perfusion flow guide device for avoiding the deep low temperature stop circulation in the aortic total-arch replacement is characterized in that a main balloon air inlet pipe and a branch balloon air inlet pipe are respectively provided with a three-way valve and an injector with externally connected air delivery pipes.
Above-mentioned avoid dark low temperature to stop circulating perfusion guiding device in aortic total arch replacement art, have a plurality of drainage side openings on the outer wall of the nearly heart end of main sacculus of main flow pipe end, inlayed the drainage hollow tube in the pipe wall of main flow pipe, the drainage side opening is connected with the one end of drainage hollow tube, has the negative pressure connecting hole to be connected with the other end of drainage hollow tube on the outer wall of the other end of main flow pipe, and the negative pressure connecting hole is connected with outside negative pressure drainage device.
The perfusion and flow guide device for avoiding deep low temperature stop circulation in the aortic total-arch replacement is characterized in that the inner diameter of the main flow guide pipe is 8-15 mm, the inner diameter of the branch flow guide pipe is 5-10 mm, the diameter of the main balloon after inflation and expansion is 22-32 mm, the diameter of the branch balloon after inflation and expansion is 8-16 mm, the main balloon and the branch balloon are made of soft, wear-resistant and puncture-proof high polymer materials, and the pressure resistance is 400-600 mmHg.
The invention has the beneficial effects that:
the main flow guide pipe is connected with three branch flow guide pipes, the tail end of the main flow guide pipe and the tail end of each branch flow guide pipe are respectively provided with a main balloon and a branch balloon which can be pressurized, expanded and decompressed and shrunk, the main flow guide pipe is provided with a drainage return pipeline, the flow guide pipes, the balloons and the drainage pipelines are combined into a whole, and the device can not only block the aorta in the artificial blood vessel of the trunk-trunk stent, but also guide the perfusion blood blocked by the far thoracic and abdominal aorta to the three branch arteries on the aortic arch, and simultaneously, the drainage pipeline can keep the full-arch displacement of the bloodless visual field at the far-end anastomo. The device is placed in a four-branch artificial blood vessel, does not influence the suture of a distal anastomosis stoma, avoids deep hypothermia in the operation, obviously shortens the time of the aorta in the long-term stop circulation, can keep bilateral cerebral perfusion in the operation, and is beneficial to the brain protection and the reduction of complications in the operation.
The invention creatively applies the three branch diversion pipelines with the blocking saccule and the suction device to the aortic full-arch replacement, maintains the blood supply of the brain and the lower half body during the suture of the distal aortic anastomotic stoma, and maintains the blood supply of the brain at the left and right sides during the anastomosis of the three branch blood vessels of the aortic arch, thereby avoiding the deep low temperature stop circulation, greatly reducing the postoperative complications and improving the operation effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the state of use of the present invention.
The figures are labeled as follows: the main balloon type artificial artery stent comprises a main flow guide pipe 1, a main balloon 2, a main balloon air inlet 3, a main balloon air inlet pipe 4, a main balloon air inlet 5, a branch balloon air inlet 6, a branch balloon air inlet pipe 7, a branch flow guide pipe blocking clamp 8, a branch balloon 9, a branch flow guide pipe 10, a flow guide side hole 11, a flow guide hollow pipe 12, a negative pressure connecting hole 13, a innominate artery 14, a left common carotid artery 15, a left subclavian artery 16, a branch artificial blood vessel 17, an artificial aorta blood vessel 18 and an intraoperative stent blood vessel 19.
Detailed Description
The invention is composed of a main flow guide pipe 1, a branch flow guide pipe 10, a branch flow guide pipe blocking clamp 8, a main balloon 2, a main balloon air inlet pipe 4, a branch balloon 9, a branch balloon air inlet pipe 7 and a drainage hollow pipe 12.
Fig. 1 shows that a main balloon 2 is surrounded on the outer wall of one end of a main flow guide pipe 1, the other end of the main flow guide pipe 1 is connected with one end of three branch flow guide pipes 10, the other end of the three branch flow guide pipes 10 are respectively surrounded with branch balloons 9, and branch flow guide blocking clamps 8 are respectively arranged on the three branch flow guide pipes 10. The main balloon 2 and the branch balloon 9 can be inflated and expanded to block the blood flow, and the branch flow guide blocking clamp 8 can clamp and open the branch flow guide tube 10, so that the aortic arch part three-branch blood vessel anastomosis device is suitable for successive anastomosis of three branch blood vessels of an aortic arch part in an operation.
The inner diameter of the main flow guide pipe 1 can be selected between 8mm and 15mm according to requirements, and the inner diameter of the branch flow guide pipe 10 can be changed between 5mm and 10 mm. The main balloon 2 and the branch balloon 9 are spherical, or double-spherical, or elliptical, or cylindrical, the diameter of the main balloon 2 is 22-32 mm after inflation and expansion, the diameter of the branch balloon 9 is 8-16 mm after inflation and expansion, the main balloon 2 and the branch balloon 9 are made of soft, wear-resistant and puncture-proof high polymer materials, and the pressure resistance is 400-600 mmHg.
Fig. 1 shows that the main balloon 2 is connected with a main balloon air inlet pipe 4, the three branch balloons 9 are respectively connected with branch balloon air inlet pipes 7, and the air inlet ends of the main balloon air inlet pipe 4 and the branch balloon air inlet pipes 7 are respectively connected with external air delivery pipes.
The main balloon air inlet pipe 4 is an independent hollow catheter, or the main balloon air inlet pipe 4 is embedded in the pipe wall of the main flow guide pipe 1, a main balloon air inlet 5 is arranged on the pipe wall of the main flow guide pipe 1 and connected with the main balloon air inlet pipe 4, and the main balloon air inlet pipe 4 inputs air into the main balloon 2 through a main balloon air inlet 3. Similarly, the branch balloon air inlet pipe 7 is an independent hollow catheter, or the branch balloon air inlet pipe 7 is embedded in the wall of the branch flow guide pipe 10, and the wall of the branch flow guide pipe 10 is provided with a branch balloon air inlet 6 connected with the branch balloon air inlet pipe 7. The main balloon air inlet pipe 4 and the branch balloon air inlet pipe 7 adopt independent hollow catheters, so that the main flow guide pipe 1 and the branch flow guide pipe 10 can be manufactured more simply, and the main balloon air inlet pipe 4 and the branch balloon air inlet pipe 7, the main flow guide pipe 1 and the branch flow guide pipe 10 are manufactured into an integral structure, so that the operation is more convenient.
Fig. 1 and 2 show that a three-way valve and an injector are respectively arranged in the main balloon air inlet pipe 4 and the branch balloon air inlet pipe 7 and the externally connected air delivery pipes, and are used for inflating and evacuating the main balloon 2 and the branch balloon 9, so that the main balloon 2 and the branch balloon 9 expand and contract.
Fig. 1 shows that a plurality of drainage side holes 11 are arranged on the outer wall of the proximal end of a main balloon 2 at the tail end of a main flow guide pipe 1, a drainage hollow pipe 12 is embedded in the pipe wall of the main flow guide pipe 1, the drainage side holes 11 are connected with one end of the drainage hollow pipe 12, a negative pressure connecting hole 13 is arranged on the outer wall of the other end of the main flow guide pipe 1 and is connected with the other end of the drainage hollow pipe 12, and the negative pressure connecting hole 13 is connected with an external negative pressure drainage device. An external negative pressure drainage device enables negative pressure to be generated in the drainage hollow tube 12 through the negative pressure connecting hole 13, the negative pressure timely sucks away residual blood seepage at the proximal end of the main balloon 2 through the drainage side hole 11, and the anastomosis of the arch artificial blood vessel and the descending aorta is guaranteed to be bloodless visual field, so that anastomosis operation is facilitated.
Fig. 2 shows that the process of use of the invention is as follows:
the flow guiding device is soaked in heparin water, an injector is connected to the opening of a hollow tube of the balloon, the three-branch pipeline is clamped and closed, water is pumped in sequence to test the integrity, tension and size of each balloon, the water injection quantity of the main balloon 2 reaching 26-28mm in diameter is estimated, the opening of the hollow tube is connected with the intra-cardiac negative pressure suction, the balloon is emptied, the flow guiding device is inserted into the near-cardiac end cavity of the artificial aorta vessel 18 with the four branches, the far end of the artificial aorta vessel extends out, and the three-branch pipeline is.
In the aortic total-arch replacement, selective cerebral perfusion is performed when the nasopharynx temperature is reduced to 28 ℃ and the circulation of the lower half body is blocked. Transect the aortic arch and quickly trim the aortic arch, the innominate artery 14, the left common carotid artery 15 and the left subclavian artery 16. The trunk stent is placed into a descending aorta true cavity through a distal anastomosis, the main flow guide pipe 1 of the device is placed into the trunk stent cavity, the main balloon 2 is inflated by water pumped by the injector, and the trunk stent 2 is ensured to thoroughly support and open the trunk stent artificial blood vessel. The perfusion through femoral artery is recovered, the branch pipelines are opened to exhaust and then clamped again, the three branch guide pipes 10 are sequentially placed into the vacuum cavities of the innominate artery 14, the left common carotid artery 15 and the left subclavian artery 16, the physiological saline is respectively injected into the injector to expand the three branch saccules 9, each branch is opened and blocked, the opening of the three branch arteries is checked to see whether the blood seeps or not, and if the blood seeps, the sleeve belt can be tightened on the pipelines. The blocking effect of the main balloon 2 is observed, if the blood seeps, the balloon is pressurized again and the suction device is opened.
At this time, the blood supply of head, viscera and lower body is restored, and the circulation is stopped within 5 min. And (4) trimming the far-end anastomotic stoma again, continuously sucking the blood oozing in the artificial blood vessel of the trunk support by using the suction device, and conventionally performing end-to-end anastomosis on the artificial aorta blood vessel, the descending aorta and the artificial blood vessel of the trunk support. Clamping a branch guide tube 10 of the left subclavian artery 16, clamping a blood vessel by a pug clamp, emptying the branch balloon 9, pulling out the branch guide tube 10, and performing end-to-end matching on the branch blood vessel of the four-branch artificial blood vessel and the opening of the left subclavian artery. Clamping a branch guide tube 10 of a innominate artery 14, clamping a blood vessel by a pug clamp, emptying a branch balloon 9, pulling out the branch guide tube 10, and performing end-to-end matching on branch blood vessels of four branch artificial blood vessels and the opening of the innominate artery. Clamping a branch guide tube 10 of the left common carotid artery 15, clamping a blood vessel by a pug clamp, emptying the branch saccule 9 and pulling out the branch guide tube 10. The injector empties the main saccule 2, the whole device is pulled out, after the artificial blood vessel exhausts, the proximal end of the artificial aorta blood vessel 18 is clamped, and the left subclavian artery 16 and the innominate artery 14 harba dog forceps are opened. The left common carotid artery 15 is anastomosed end to end with the branch artificial blood vessel 17, and then the left common carotid artery 15 is opened and the pug is blocked.
The aortic arch part is anastomosed with the distal anastomosis stoma, and bilateral brain perfusion and lower body perfusion are kept in the whole process. The invention creatively applies the three branch guide tubes 10 with the blocking saccule and the suction device to the aortic full-arch replacement, maintains the blood supply of the brain and the lower half during the suturing of the distal aortic anastomosis opening, and maintains the blood supply of the brain on the left and right sides during the anastomosis of the three branch blood vessels of the aortic arch part, thereby avoiding the deep low temperature stop circulation, greatly reducing the postoperative complications and improving the operation effect.
Claims (5)
1. Avoid dark low temperature to stop circulating perfusion guiding device in full arch replacement of aorta, its characterized in that: the novel air-assisted ball valve comprises a main flow guide pipe (1), a main ball bag (2), a main ball bag air inlet pipe (4), a branch flow guide pipe (10), a branch ball bag (9), a branch ball bag air inlet pipe (7), and a branch flow guide pipe blocking clamp (8), wherein the main ball bag (2) is arranged on the outer wall of one end of the main flow guide pipe (1) in a surrounding mode, the main ball bag (2) is connected with the main ball bag air inlet pipe (4), the other end of the main flow guide pipe (1) is connected with one end of three branch flow guide pipes (10), the other end of each of the three branch flow guide pipes (10) is respectively provided with the branch ball bag (9) in a surrounding mode, the three branch ball bags (9) are respectively connected with the branch ball bag air inlet pipe (7), the three branch flow guide pipes (10) are respectively provided with the branch flow guide blocking clamp.
2. The perfusion diversion device for avoiding deep hypothermia arrest in aortic total arch replacement of claim 1, wherein: the main balloon (2) and the branch balloons (9) are spherical, or double-spherical, or elliptical, or cylindrical, the main balloon air inlet pipe (4) is an independent hollow catheter, or the main balloon air inlet pipe (4) is embedded in the pipe wall of the main flow guide pipe (1), a main balloon air inlet (5) is arranged on the pipe wall of the main flow guide pipe (1) and connected with the main balloon air inlet pipe (4), the branch balloon air inlet pipe (7) is an independent hollow catheter, or the branch balloon air inlet pipe (7) is embedded in the pipe wall of the branch flow guide pipe (10), and a branch balloon air inlet (6) is arranged on the pipe wall of the branch flow guide pipe (10) and connected with the branch balloon air inlet pipe (7).
3. The perfusion diversion device for avoiding deep hypothermia arrest in aortic total arch replacement of claim 2, wherein: the main balloon air inlet pipe (4) and the branch balloon air inlet pipe (7) are respectively provided with a three-way valve and an injector in an externally connected air delivery pipe.
4. The perfusion diversion device for avoiding deep hypothermia arrest in aortic total arch replacement of claim 1, wherein: the utility model discloses a drainage device, including leading flow tube (1), have a plurality of drainage side holes (11) on the outer wall of the nearly heart end of terminal main sacculus (2) of leading flow tube (1), inlayed drainage hollow tube (12) in the pipe wall of leading flow tube (1), drainage side hole (11) are connected with the one end of drainage hollow tube (12), have negative pressure connecting hole (13) on the outer wall of the other end of leading flow tube (1) to be connected with the other end of drainage hollow tube (12), and negative pressure connecting hole (13) are connected with outside negative pressure drainage device.
5. The perfusion diversion device for avoiding deep hypothermia arrest in aortic total arch replacement of claim 1, wherein: the inner diameter of the main flow guide pipe (1) is 8-15 mm, the inner diameter of the branch flow guide pipe (10) is 5-10 mm, the diameter of the main balloon (2) is 22-32 mm after inflation and expansion, the diameter of the branch balloon (9) is 8-16 mm after inflation and expansion, the main balloon (2) and the branch balloon (9) are made of soft, wear-resistant and puncture-proof high polymer materials, and the pressure resistance is 400-600 mmHg.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010113292.5A CN111281463A (en) | 2020-02-24 | 2020-02-24 | Perfusion flow guiding device for avoiding deep low temperature stop circulation in aortic total-arch replacement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010113292.5A CN111281463A (en) | 2020-02-24 | 2020-02-24 | Perfusion flow guiding device for avoiding deep low temperature stop circulation in aortic total-arch replacement |
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| CN111281463A true CN111281463A (en) | 2020-06-16 |
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| CN202010113292.5A Withdrawn CN111281463A (en) | 2020-02-24 | 2020-02-24 | Perfusion flow guiding device for avoiding deep low temperature stop circulation in aortic total-arch replacement |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112843435A (en) * | 2021-01-15 | 2021-05-28 | 李林 | Annular balloon for minimally invasive cardiac surgery and use method thereof |
| WO2021258772A1 (en) * | 2020-06-22 | 2021-12-30 | 上海微创心脉医疗科技(集团)股份有限公司 | Medical device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104873305A (en) * | 2015-05-29 | 2015-09-02 | 有研亿金新材料有限公司 | Intraoperative branched on-demand block stent type artificial blood vessel system and use method |
| CN107468374A (en) * | 2017-09-07 | 2017-12-15 | 马路遥 | Aortic arch displacement technique four branch artificial blood vessels of perfusion |
| CN208573789U (en) * | 2017-10-19 | 2019-03-05 | 北京医文友邦科技有限责任公司 | Total aortic arch replacement and bracket elephant trunk technique aorta clamping device |
| CN110478604A (en) * | 2019-09-17 | 2019-11-22 | 四川大学华西医院 | A kind of interior shunt tube maintaining the blood supply of abdominal viscera artery |
-
2020
- 2020-02-24 CN CN202010113292.5A patent/CN111281463A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104873305A (en) * | 2015-05-29 | 2015-09-02 | 有研亿金新材料有限公司 | Intraoperative branched on-demand block stent type artificial blood vessel system and use method |
| CN107468374A (en) * | 2017-09-07 | 2017-12-15 | 马路遥 | Aortic arch displacement technique four branch artificial blood vessels of perfusion |
| CN208573789U (en) * | 2017-10-19 | 2019-03-05 | 北京医文友邦科技有限责任公司 | Total aortic arch replacement and bracket elephant trunk technique aorta clamping device |
| CN110478604A (en) * | 2019-09-17 | 2019-11-22 | 四川大学华西医院 | A kind of interior shunt tube maintaining the blood supply of abdominal viscera artery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021258772A1 (en) * | 2020-06-22 | 2021-12-30 | 上海微创心脉医疗科技(集团)股份有限公司 | Medical device |
| CN112843435A (en) * | 2021-01-15 | 2021-05-28 | 李林 | Annular balloon for minimally invasive cardiac surgery and use method thereof |
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Application publication date: 20200616 |
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