CN112190363A - Integrated intravascular stent and conveying system - Google Patents
Integrated intravascular stent and conveying system Download PDFInfo
- Publication number
- CN112190363A CN112190363A CN202011108651.4A CN202011108651A CN112190363A CN 112190363 A CN112190363 A CN 112190363A CN 202011108651 A CN202011108651 A CN 202011108651A CN 112190363 A CN112190363 A CN 112190363A
- Authority
- CN
- China
- Prior art keywords
- blood vessel
- support
- release
- stent
- support ring
- 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.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2002/068—Modifying the blood flow model, e.g. by diffuser or deflector
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2002/9505—Instruments specially adapted for placement or removal of stents or stent-grafts having retaining means other than an outer sleeve, e.g. male-female connector between stent and instrument
- A61F2002/9511—Instruments specially adapted for placement or removal of stents or stent-grafts having retaining means other than an outer sleeve, e.g. male-female connector between stent and instrument the retaining means being filaments or wires
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Gastroenterology & Hepatology (AREA)
- Pulmonology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Prostheses (AREA)
Abstract
The invention discloses an integrated blood vessel support and a conveying system, wherein the integrated blood vessel support comprises an artificial blood vessel, a straight cylindrical structure, a support ring, a skirt edge and a release film, the artificial blood vessel and the straight cylindrical structure are integrally woven, the support is attached to the periphery of the straight cylindrical structure, the support ring is attached to the periphery of the straight cylindrical structure without the support at the periphery, the middle part of the support ring is matched with the straight cylindrical structure, the skirt edge is sewn at the junction of the artificial blood vessel and the support ring, and one end of the release film is sewn at the skirt edge; the conveying system comprises a conveying rod, a supporting device, a handle and a release wire, wherein an integrated blood vessel stent is assembled and bound on the conveying system, the stent and the supporting ring are respectively bound on the conveying rod and the supporting device through release films, and the release wire penetrates through holes on two sides of the release films and respectively controls the release of the stent and the supporting ring; the invention can reduce the operation time, reduce the time of deep low temperature circulation stopping and reduce the influence on patients.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an integrated intravascular stent and a conveying system.
Background
The prevalence rate and the death rate of cardiovascular diseases in China are still in the rising stage, and according to the reckoning, the number of the cardiovascular diseases currently suffering is 2.9 hundred million, the death rate still remains the first place, and accounts for more than 40 percent of the death rate of resident diseases.
Aortic dissection refers to the process of separating the tunica media from the torn part of the aortic intima into the aortic media to form a dissection hematoma and extending and dissecting along the aortic wall. Aortic dissection is the most common clinically acute severe disease, and if the diagnosis and treatment are not timely, the mortality rate is extremely high. For example, acute aortic dissection is approximately 33% of patients die within 24 hours, 50% within 48 hours, 80% within a week, and 75% die from aortic rupture.
Aortic dissections can currently be treated by replacement of the aortic arch or intraluminal placement of stents. During surgery, deep hypothermia is required to arrest circulation to reduce cellular metabolism and protect tissues and organs, especially the central nervous system, from ischemic injury. However, deep hypothermia, in addition to the usual complications of cardiac surgery and extracorporeal circulation, can also lead to severe coagulation dysfunction. The time for the cryogenic shutdown cycle must therefore be as short as possible to reduce complications. In addition, the blood vessels of different patients are different in size, and how the size of the blood vessels of the patients is maintained at the junction of the artificial blood vessels and the autologous blood vessels is also important.
Disclosure of Invention
The invention aims to provide an integrated blood vessel stent and a conveying system, which aim to solve the problem of how to reduce the time of deep low temperature circulation stopping in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
in one aspect, the invention provides an integrated blood vessel support, which comprises an artificial blood vessel, a straight cylindrical structure, a support ring, a skirt and a release membrane, wherein the artificial blood vessel and the straight cylindrical structure are integrally woven, the support is attached to the periphery of the straight cylindrical structure, the length of the straight cylindrical structure is greater than that of the support, a section of peripheral non-support part exists at the proximal end of the straight cylindrical structure, the support ring is attached to the periphery of the peripheral non-support straight cylindrical structure, the middle part of the support ring is fitted on the straight cylindrical structure, the skirt is sewn at the junction of the artificial blood vessel and the support ring, and one end of the release membrane is sewn at the skirt.
Further, the diameter of the support ring can be changed, and the change range is larger than 6 mm.
Further, the artificial blood vessel is provided with at least one artificial blood vessel componentThe water permeability of the branch and artificial blood vessel is less than or equal to 10 ml/cm2·min。
Further, the stent is of a self-expanding stent structure.
Furthermore, the release film is of a sheet structure, a plurality of holes are correspondingly formed in the two sides of the release film, and the holes are uniformly distributed on the two sides of the release film.
In another aspect, the invention provides a delivery system of the integrated intravascular stent, which comprises a delivery rod, a support device arranged on the delivery rod, a handle arranged at one end of the delivery rod, and a release wire, wherein the integrated intravascular stent is assembled and bound on the delivery system, the stent and the support ring are respectively bound on the delivery rod and the support device through the release film, and the release wire passes through holes at two sides of the release film and respectively controls the release of the stent and the support ring.
Furthermore, this integral type blood vessel support's conveying system still includes the fixed band, and the fixed band is including tightening up knot and strip, and strip one end is connected with tightening up the knot fixed connection, and the other end can be dismantled with tightening up the knot and be connected, and the strip twines in the periphery of support ring.
Furthermore, a clamping groove matched with the strap is formed in the tightening buckle, and the tightening buckle is a one-way tightening buckle.
Furthermore, the bending degree of the conveying rod can be adjusted, and the bending degree adjusting range is 0-90 degrees.
Furthermore, the supporting device is cylindrical after being expanded, and the diameter of the cylindrical supporting device can be changed.
Compared with the prior art, the invention has the beneficial effects that:
according to the integrated intravascular stent and conveying system, after the supporting ring is released in the autologous blood vessel, the autologous blood vessel and the supporting ring are fastened through the fixing band, so that the blood supply of the lower limbs can be recovered as soon as possible, and the organ injury is reduced; in addition, the size of the support ring is variable, so that the support ring can adapt to autologous blood vessels of different sizes, and the pressure of blood supply is ensured.
Drawings
FIG. 1 is a schematic structural diagram of an integrated blood vessel stent provided by an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a delivery system of an integrated blood vessel stent provided by an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a fixing band in a delivery system of an integrated blood vessel stent provided by an embodiment of the invention;
fig. 4 is a schematic structural diagram of an integrated blood vessel stent assembled on a delivery system according to an embodiment of the present invention.
In the figure: 1-artificial blood vessel, 2-straight cylindrical structure, 3-stent, 4-support ring, 5-skirt edge, 6-release membrane, 7-artificial blood vessel branch, 8-hole, 9-conveying rod, 10-support device, 11-handle, 12-release wire, 13-tightening buckle, 14-strip and 15-clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an integrated blood vessel stent provided by an embodiment of the present invention includes an artificial blood vessel 1, a straight tubular structure 2, a stent 3, a support ring 4, a skirt 5 and a release film 6, the artificial blood vessel 1 and the straight tubular structure 2 are integrally woven, the stent 3 is attached to the periphery of the straight tubular structure 2, the length of the straight tubular structure 2 is greater than that of the stent 3, a section of the portion without the stent 3 at the periphery exists at the proximal end of the straight tubular structure 2, the support ring 4 is attached to the periphery of the straight tubular structure 2 without the stent 3 at the periphery, the middle portion of the support ring 4 is fitted to the straight tubular structure 2, the skirt 5 is sewn at the juncture of the artificial blood vessel 1 and the release ring 4, one end of the film 6 is sewn at the skirt 5, and the skirt 5 is used for later period of fitting with the blood vessel, thereby preventing blood leakage.
The diameter of the support ring 4 is variable, the variable range is larger than 6mm, and the diameter of the support ring 4 changes in a single direction and is changed from small to large.
The artificial blood vessel 1 is provided with at least one artificial blood vessel branch 7, the artificial blood vessel branch 7 is provided with 1 to 4, and the human bodyThe water permeability of the blood vessel 1 is less than or equal to 10 ml/cm2·min。
The stent 3 is a self-expanding stent structure.
The release film 6 is a sheet structure, a plurality of holes 8 are correspondingly formed in both sides of the release film 6, and the holes are uniformly distributed on both sides of the release film 6.
As shown in fig. 2 and 3, the delivery system of the integrated blood vessel stent provided by the embodiment of the present invention comprises a delivery rod 9, a supporting device 10 disposed on the delivery rod 9, a handle 11 disposed at one end of the delivery rod 9, and a release wire 12, the integrated blood vessel stent is assembled and bound on the delivery system, the stent 3 and the supporting ring 4 are bound on the delivery rod 9 and the supporting device 10 respectively through a release film 6, and the release wire 12 passes through holes 8 at two sides of the release film 6 and controls the release of the stent 3 and the supporting ring 4 respectively.
This integral type blood vessel support's conveying system still includes the fixed band, and the fixed band is including tightening buckle 13 and strip 14, and strip 14 one end and tightening buckle 13 fixed connection, the other end can be dismantled with tightening buckle 13 and be connected, and strip 14 twines in the periphery of support ring 4.
The tightening buckle 13 is provided with a clamping groove 15 matched with the strap 14, and the tightening buckle 13 is a one-way tightening buckle.
The bending degree of the conveying rod 9 can be adjusted within the range of 0-90 degrees.
The support device 10 is cylindrical after being expanded, and the diameter of the cylindrical shape can be changed.
When in use, the integrated vascular stent is assembled and bound on a conveying system, after a patient opens the chest in the middle, the arch of the diseased aorta is cut off, the proximal end of the descending aorta is peeled off, the conveying system is utilized to place the stent 3 into the descending aorta, the release wire 12 is pulled to release the stent 3 to be flicked, the rod of the supporting device 10 is pushed to expand the diameter to the diameter of the descending aorta, the strip 14 is wound for a circle along the outer wall of the descending aorta and then passes through the clamping groove 15 on the tightening buckle 13 to be tightened, after the fixing band is used for tightening the blood vessel of the human body and the supporting ring 4, can quickly recover descending aorta blood flow, reduce the time of deep low temperature stopping circulation, better protect viscera, then the conveying system is removed, the proximal end of the artificial blood vessel 1 is anastomosed with the ascending aorta, and the operation is completed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. An integrated vascular stent, characterized in that: including artificial blood vessel (1), straight tubular structure (2), support (3), support ring (4), shirt rim (5) and release membrane (6), artificial blood vessel (1) is woven with straight tubular structure (2) an organic whole and is formed, support (3) are attached to the periphery of straight tubular structure (2), the length of straight tubular structure (2) is greater than the length of support (3), there is the part of one section peripheral no support (3) near the heart end of straight tubular structure (2), support ring (4) are attached to the periphery of the straight tubular structure (2) of peripheral no support (3), the mid portion of support ring (4) coincide on straight tubular structure (2), shirt rim (5) are sewed up in the juncture of artificial blood vessel (1) and support ring (4), release membrane (6) one end is sewed up in shirt rim (5) department.
2. A one-piece vascular stent as in claim 1, wherein: the diameter of the support ring (4) is variable, and the variation range is larger than 6 mm.
3. A one-piece vascular stent as in claim 1, wherein: the artificial blood vessel (1) is provided with at least one artificial blood vessel branch (7), the artificial blood vessel (1)The water permeability is less than or equal to 10 ml/cm2·min。
4. A one-piece vascular stent as in claim 1, wherein: the stent (3) is of a self-expanding stent structure.
5. A one-piece vascular stent as in claim 1, wherein: the release membrane (6) is of a sheet structure, a plurality of holes (8) are correspondingly formed in the two sides of the release membrane (6), and the holes are evenly distributed on the two sides of the release membrane (6).
6. A delivery system of the one-piece vascular stent of any one of claims 1 to 5, wherein: including carrying pole (9), set up strutting arrangement (10) on carrying pole (9), set up in handle (11) of carrying pole (9) one end to and release silk (12), integral type blood vessel support equipment is binded on conveying system, support (3) and support ring (4) are binded respectively on carrying pole (9) and strutting arrangement (10) through release membrane (6), release silk (12) pass hole (8) of release membrane (6) both sides to the release of control support (3) and support ring (4) respectively.
7. The delivery system of one-piece vascular stent of claim 6, wherein: still include the fixed band, the fixed band is including receiving fastener (13) and strip (14), strip (14) one end with receive fastener (13) fixed connection, the other end can be dismantled with receiving fastener (13) and be connected, strip (14) twine in the periphery of support ring (4).
8. The delivery system of one-piece vascular stent of claim 7, wherein: the tightening buckle (13) is provided with a clamping groove (15) matched with the strap (14), and the tightening buckle (13) is a one-way tightening buckle.
9. The delivery system of one-piece vascular stent of claim 6, wherein: the bending degree of the conveying rod (9) is adjustable, and the bending degree adjusting range is 0-90 degrees.
10. The delivery system of one-piece vascular stent of claim 6, wherein: the supporting device (10) is cylindrical after being unfolded, and the diameter of the cylindrical shape can be changed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011108651.4A CN112190363A (en) | 2020-10-16 | 2020-10-16 | Integrated intravascular stent and conveying system |
| PCT/CN2021/081095 WO2022077857A1 (en) | 2020-10-16 | 2021-03-16 | Integrated vascular stent and delivery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011108651.4A CN112190363A (en) | 2020-10-16 | 2020-10-16 | Integrated intravascular stent and conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112190363A true CN112190363A (en) | 2021-01-08 |
Family
ID=74009756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011108651.4A Pending CN112190363A (en) | 2020-10-16 | 2020-10-16 | Integrated intravascular stent and conveying system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112190363A (en) |
| WO (1) | WO2022077857A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113397761A (en) * | 2021-05-27 | 2021-09-17 | 华中科技大学同济医学院附属协和医院 | Suturing-free artificial blood vessel and conveying device thereof |
| WO2022077857A1 (en) * | 2020-10-16 | 2022-04-21 | 江苏百优达生命科技有限公司 | Integrated vascular stent and delivery system |
| CN115517811A (en) * | 2022-11-01 | 2022-12-27 | 北京华脉泰科医疗器械股份有限公司 | Integrated stent artificial blood vessel and artificial blood vessel replacement kit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020029077A1 (en) * | 1996-12-23 | 2002-03-07 | Leopold Eric W. | Implant deployment apparatus |
| CN103209660A (en) * | 2010-11-16 | 2013-07-17 | W.L.戈尔及同仁股份有限公司 | Sleeves for expandable medical devices |
| CN103462727A (en) * | 2012-06-07 | 2013-12-25 | 刘健 | Terylene three-branch arcus aortae artificial blood vessel with self-expandable stent |
| CN104519838A (en) * | 2012-08-10 | 2015-04-15 | W.L.戈尔及同仁股份有限公司 | Systems of deployment of endoluminal devices |
| CN106726001A (en) * | 2017-01-06 | 2017-05-31 | 北京华脉泰科医疗器械有限公司 | Exempt from suture stent-graft and its conveying device, coincide clasp |
| CN111358593A (en) * | 2020-03-19 | 2020-07-03 | 江苏百优达生命科技有限公司 | Quick-connection type thoracotomy vascular stent and conveying system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8974518B2 (en) * | 2008-03-25 | 2015-03-10 | Medtronic Vascular, Inc. | Eversible branch stent-graft and deployment method |
| CN206687795U (en) * | 2017-01-06 | 2017-12-01 | 北京华脉泰科医疗器械有限公司 | Exempt to suture stent-graft and its conveying device, identical clasp |
| JP6698262B2 (en) * | 2018-03-09 | 2020-05-27 | 日本ライフライン株式会社 | Aortic treatment device |
| CN112190363A (en) * | 2020-10-16 | 2021-01-08 | 江苏百优达生命科技有限公司 | Integrated intravascular stent and conveying system |
-
2020
- 2020-10-16 CN CN202011108651.4A patent/CN112190363A/en active Pending
-
2021
- 2021-03-16 WO PCT/CN2021/081095 patent/WO2022077857A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020029077A1 (en) * | 1996-12-23 | 2002-03-07 | Leopold Eric W. | Implant deployment apparatus |
| CN103209660A (en) * | 2010-11-16 | 2013-07-17 | W.L.戈尔及同仁股份有限公司 | Sleeves for expandable medical devices |
| CN103462727A (en) * | 2012-06-07 | 2013-12-25 | 刘健 | Terylene three-branch arcus aortae artificial blood vessel with self-expandable stent |
| CN104519838A (en) * | 2012-08-10 | 2015-04-15 | W.L.戈尔及同仁股份有限公司 | Systems of deployment of endoluminal devices |
| CN106726001A (en) * | 2017-01-06 | 2017-05-31 | 北京华脉泰科医疗器械有限公司 | Exempt from suture stent-graft and its conveying device, coincide clasp |
| CN111358593A (en) * | 2020-03-19 | 2020-07-03 | 江苏百优达生命科技有限公司 | Quick-connection type thoracotomy vascular stent and conveying system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022077857A1 (en) * | 2020-10-16 | 2022-04-21 | 江苏百优达生命科技有限公司 | Integrated vascular stent and delivery system |
| CN113397761A (en) * | 2021-05-27 | 2021-09-17 | 华中科技大学同济医学院附属协和医院 | Suturing-free artificial blood vessel and conveying device thereof |
| CN115517811A (en) * | 2022-11-01 | 2022-12-27 | 北京华脉泰科医疗器械股份有限公司 | Integrated stent artificial blood vessel and artificial blood vessel replacement kit |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022077857A1 (en) | 2022-04-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112190363A (en) | Integrated intravascular stent and conveying system | |
| CN102462565B (en) | Recyclable and adjustable interventional stent for constricting blood vessels | |
| CN106726001B (en) | Exempt to suture stent-graft and its conveying device, identical retaining ring | |
| CN106456855A (en) | Percutaneous system, devices and methods | |
| CN202122626U (en) | Intraoperative branch coated stent | |
| BRPI0515637B1 (en) | valvular prosthesis and treatment kit | |
| CN104905892A (en) | Integrated multiple-branch interventional aorta arch covered stent | |
| CN107789094B (en) | Artificial blood vessel without sewing stent | |
| WO2021185251A1 (en) | Quick-connection thoracotomy intravascular stent and delivery system | |
| CN106413632A (en) | Surgical procedure and devices for use therein | |
| CN107157616A (en) | A kind of aortic windowing branch overlay film frame | |
| CN201959033U (en) | Manual blood vessel tectorial membrane bracket | |
| CN110613531B (en) | Aortic arch part branch covered stent blood vessel combination device for open surgery | |
| CN109833112A (en) | Bracket and its application method in a kind of art | |
| CN204971705U (en) | Integration multiple -limb type intervenes aortic arch tectorial membrane support | |
| CN206687795U (en) | Exempt to suture stent-graft and its conveying device, identical clasp | |
| CN203898496U (en) | Abdominal aorta stent | |
| CN106821545A (en) | Blocking-up type branch stent blood vessel on demand in a kind of combined type art | |
| CN107049556A (en) | Pourable distal end belt supporting frame artificial blood vessel and arch of aorta drop portion artificial blood vessel | |
| CN215130877U (en) | Trunk support assembly capable of shortening cycle time and trunk support implantation system | |
| CN214208412U (en) | Distal diaphragm self-blocking aortic stent | |
| CN109745145A (en) | Initiative pulse support blood vessel system and application method of the top with sacculus | |
| CN209864171U (en) | Novel anastomosis structure of blood vessel and blood vessel stent | |
| CN202458791U (en) | Recyclable blood vessel contracting rack with narrow intervention | |
| CN215307028U (en) | Branch type aorta artificial stent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210108 |