CN113925651A - Positioning device and conveying device comprising same - Google Patents
Positioning device and conveying device comprising same Download PDFInfo
- Publication number
- CN113925651A CN113925651A CN202010621134.0A CN202010621134A CN113925651A CN 113925651 A CN113925651 A CN 113925651A CN 202010621134 A CN202010621134 A CN 202010621134A CN 113925651 A CN113925651 A CN 113925651A
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- Prior art keywords
- positioning device
- stent
- main body
- inner tube
- support
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- 210000004204 blood vessel Anatomy 0.000 abstract description 8
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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
- A61F2/95—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
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Transplantation (AREA)
- Cardiology (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Gastroenterology & Hepatology (AREA)
- Pulmonology (AREA)
- Prostheses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention relates to a positioning device and a conveying device comprising the same, wherein the positioning device comprises a main body, an inner cavity which is through along the axial direction is formed in the main body, and at least one stop block is further arranged on the outer surface of the main body. According to the invention, the at least one stop block is arranged on the periphery of the main body, so that the contact area between the support and the inner pipe is increased, the support is connected with the inner pipe as integrally as possible through the positioning device, and the contact area between the support and the inner pipe is effectively increased on the premise of not increasing the outer diameter of the support. According to the invention, the at least one bulge is arranged on the stop block, so that the friction between the stent and the inner tube is improved, particularly, under the condition of tortuous blood vessel path, the rotation synchronism of the stent at the far end and the near end when the far end of the stent rotates along with the handle is further improved, namely, the rotation following performance of the stent is improved, the accuracy of stent positioning is improved, and the operation time is effectively reduced.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a positioning device matched with a conveying system and a conveying device comprising the positioning device.
Background
Aortic diseases such as aortic aneurysm, aortic dissection and the like are one of the most fatal and most difficult vascular surgical diseases to treat. The endovascular repair operation of the aortic dissection by using the film-covered metal stent is a minimally invasive and simple interventional operation method aiming at high-risk patients with thoracic and abdominal aortic dissection developed in recent years. The covered stent is delivered to the diseased position of the aorta through a minimally invasive incision of the femoral artery by a delivery system, so as to protect the diseased blood vessel and repair the diseased aorta.
In the release of the existing minimally invasive interventional stent system for treating aortic aneurysm and dissection, the stent needs to be positioned when the conveying system is rotated, and due to the reasons that the axial length of the conveying system is long, the path of a blood vessel has a plurality of bent parts and is not a straight section, the contact surface of the stent and the conveying system is smooth and has relative sliding, the synchronism of the rotation of the stent along with the conveying system is poor, so that the positioning performance (such as alignment of branch blood vessels) of the stent is influenced, and the rotation performance of the stent along with the conveying system can be called as the follow-up rotation performance of the stent.
In the prior art, the stent system comprises a stent and a conveying system, in a clinical operation, the length of the whole conveying system is long, the surface of an inner tube is smooth, a blood vessel path is not straight and has tortuosity, so that when the conveying system or a handle rotates in vitro, force transmission of the far end and the near end of the conveying system is asynchronous, the positioning accuracy of the stent can be influenced, an operator rotates the conveying system or the handle for many times, the operation time is influenced slightly, the stent cannot be positioned to a proper direction and position, and the success rate of stent release can be directly influenced.
The existing methods for improving the follow-up performance of the stent comprise the following steps:
the inner pipe of the bracket is shortened, and the rotation transmissibility of the force is better, but the bracket can not reach the appointed part; the overall rigidity of the inner tube and the delivery system is improved, but the flexibility and the introduction performance of the delivery system can be reduced; the inner tube wall thickness is increased but may increase the maximum outer diameter of the stent and delivery system of the stent system.
The body conditions of each patient are inconsistent, such as the degree of vessel tortuosity is different, the operation path is difficult to coordinate, and the operation cannot be realized in this aspect. None of the above methods are applicable under the prior art conditions.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a positioning device and a conveying device including the positioning device. Compared with the prior art, the invention not only can improve the contact area between the stent and the inner tube, but also can locally improve the rigidity of the inner tube and the follow-up rotation performance of the stent along with the inner tube, improves the positioning accuracy of the stent, but cannot influence the flexibility and the introduction performance of the whole stent system, and the positioning device with reasonable size cannot increase the diameter of the constrained stent and cannot increase the overall external diameter size of the stent system.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the positioning device comprises a main body, wherein an inner cavity which is through along the axial direction is formed in the main body, and at least one stop block is further arranged on the outer surface of the main body.
Optionally, the stop extends in an axial direction of the body.
Optionally, the periphery of the main body is provided with a plurality of stoppers, and the plurality of stoppers are distributed at intervals along the circumferential direction of the main body.
Optionally, the outer surface of the body projects away from the inner cavity to form the stop.
Optionally, the stopper is provided with a plurality of protrusions.
Optionally, the stopper has a first side surface and a second side surface extending in the axial direction of the main body and disposed oppositely, and the plurality of protrusions are disposed on the first side surface and/or the second side surface.
Optionally, at least one preformed hole is formed in the end portion of the stop block, and the preformed hole is axially communicated with the stop block.
Optionally, a chamfer is arranged at the joint of the stop block and the inner cavity.
Correspondingly, the invention also provides a conveying device, which comprises an inner tube and at least one positioning device, wherein the positioning device is arranged at the far end of the inner tube and is connected with the inner tube, and the positioning device is used for carrying the medical implant.
Optionally, the positioning device and the inner tube are of an integrated structure.
Compared with the prior art, the invention has the following beneficial technical effects:
the first check block is arranged on the periphery of the main body, so that the contact area between the support and the inner pipe is increased, the support is connected with the inner pipe as integrally as possible through the positioning device, and the contact area between the support and the inner pipe is effectively increased on the premise of not increasing the outer diameter of the support.
And (II) the contact area between the support and the inner tube is increased, so that the rigidity of the inner tube is locally improved, the follow-up rotation performance of the support along with the inner tube is improved, the positioning accuracy of the support is improved, and the flexibility and the introduction performance of the whole support system are not influenced.
And (III) the stop block is provided with at least one protrusion, the friction between the stent and the inner tube is improved by the protrusion, particularly, under the condition that a blood vessel path is circuitous, the rotation synchronism of the stent at the near end is further improved when the far end of the stent rotates along with the handle, namely, the rotation following performance of the stent is improved, so that the accuracy of stent positioning is improved, and the operation time is effectively reduced.
Drawings
Fig. 1 shows a schematic connection diagram of a positioning device, a conveying device and a bracket according to an embodiment of the invention.
Fig. 2 shows a schematic structural diagram of a positioning device in an embodiment of the invention.
Fig. 3 shows a schematic cross-sectional structure of a positioning device in an embodiment of the invention.
Fig. 4 shows a schematic view of the contact area of the inner tube with the stent without the positioning device.
Fig. 5 shows a schematic view of the contact area between the positioning device and the bracket in the embodiment of the invention.
Fig. 6 shows a schematic representation of the use of the stent system in an embodiment of the invention.
Fig. 7 shows a partial enlargement of fig. 6 at a.
In the drawings, the reference numbers: 1. an inner tube; 2. a positioning device; 201. a protrusion; 202. a stopper; 203. a main body; 204. an inner cavity; 205. reserving a hole; 206. chamfering; 3. a support; 4. a bracket binding wire; 5. an outer tube; 6. a guidewire.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the positioning device and the conveying device including the positioning device according to the present invention are further described in detail below with reference to the accompanying drawings and the detailed description. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise scale for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention comprehensible, reference is made to the accompanying drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present invention, so that the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.
As shown in fig. 2 and 3, the positioning device 2 includes a main body 203, an inner cavity 204 is formed in the main body 203 and penetrates along an axial direction, preferably, the inner cavity 204 in the positioning device 2 provided in this embodiment is a cylindrical inner cavity, and the cylindrical inner cavity is formed along the axial direction of the main body 203 and is used for being connected with the inner tube 1; at least one stopper 202 is further disposed outside the inner cavity 204 and on an outer surface of the main body 203, the stopper 202 extends along an axial direction of the main body 203, the outer surface of the main body 203 protrudes in a direction away from the inner cavity 204 to form the stopper 202, the number of the stoppers 202 in the positioning device 2 provided in this embodiment is 3, and the 3 stoppers 202 are circumferentially spaced apart from each other along the main body 203. The number of stops 202 can be increased or decreased depending on the length of the stent 3 and the actual requirements.
As shown in fig. 2 and 3, at least one protrusion 201 is disposed on the stopper 202, the stopper 202 has a first side surface and a second side surface extending in the axial direction of the main body 203 and disposed oppositely, the at least one protrusion 201 is disposed on at least the first side surface or the second side surface of the stopper 202, and the protrusion 201 can increase the contact surface area between the inner tube 1 and the stent 3. Preferably, the present embodiment provides the positioning device 2 with the protrusions 201 disposed on the first side and the second side of the stopper 202. The thickness of each protrusion 201 in the positioning device 2 provided in this embodiment is the same, and preferably, the protrusion 201 in the positioning device 2 provided in this embodiment is hemispherical, but is not limited to be hemispherical, and the protrusion may be a quincunx, snowflake, leaf, flower, wave, bar, vertical bar, or polygonal protrusion, and may be any shape that can increase the contact surface area between the inner tube 1 and the bracket 3 and increase the strength of the positioning device.
As shown in fig. 2 and 3, at least one prepared hole 205 is preferably formed at an end of the stopper 202, and the prepared hole 205 penetrates in the axial direction of the stopper 202. The positioning device 2 provided in this embodiment has one preformed hole 205, and the preformed hole 205 is used for threading the wire 6 as required. The junction of the stop 202 and the lumen 204 is provided with a chamfer 206, and the chamfer 206 is used for preventing the stent system from damaging the blood vessel when entering the blood vessel and avoiding stress concentration.
The positioning device 2 composed of the main body 203, the inner cavity 204 and the at least one stopper 202 is made of any one of a polymer material and a metal material, and preferably, the positioning device 2 provided by this embodiment is made of any one of a High Density Polyethylene (HDPE) and a Low Density Polyethylene (LDPE) in a polymer material.
The polymer material includes, but is not limited to, any one of NYLON elastomer (PEBAX), Polytetrafluoroethylene (PTFE), fluorinated ethylene propylene copolymer (FEP), High Density Polyethylene (HDPE), Low Density Polyethylene (LDPE), ethylene-tetrafluoroethylene copolymer (ETFE), perfluoroalkoxy Polymer (PFA), NYLON (NYLON), Polycarbonate (PC), Polyethylene (PE), Polyurethane (PUR), polypropylene (PP), and polyether ether ketone resin (PEEK). The metal material includes but is not limited to any one of stainless steel, aluminum alloy, copper alloy or titanium alloy which are suitable for machining and injection molding and other alloy materials with excellent performance.
A delivery device comprises an inner tube 1 and at least one positioning device 2, wherein the positioning device 2 is arranged at the distal end of the inner tube 1 and is connected with the inner tube 1, and the positioning device 2 is used for carrying a medical implant.
As shown in fig. 1, a stent system comprises a stent 3 and the delivery device, the stent 3 is fixed on an inner tube 1 by a stent binding wire 4, and at least one positioning device 2 is connected with the inner tube 1, preferably, the number of the positioning devices 2 in the delivery device provided by the embodiment is two, but the number of the positioning devices 2 is not limited to two in the embodiment, and the number of the positioning devices 2 is increased or decreased according to the length of the stent 3 and the actual requirement.
Specifically, positioner 2 through inner chamber 204 with inner tube 1 is connected, and is preferred, and positioner 2 and inner tube 1 adopt the mode of glued joint in the support system that this embodiment provided, specifically adopt Loctite glue, and the model is Loctite 1128. The bracket 3 is bound to the outer ring of the inner pipe 1 through a bracket binding wire 4.
The delivery device further comprises an outer tube 5 and a handle, wherein the handle is connected with the distal end of the inner tube 1, the bracket 3 is fixed between the inner tube 1 and the outer tube 5, the inner tube 1 is arranged in the outer tube 5, and the outer tube 5 and the handle are both well known to those skilled in the art and will not be described in detail again.
By rotating the handle, the inner tube 1 can correspondingly rotate along with the rotation of the handle. The proximal end of the inner tube 1 is connected to a stent 3. The distal end is the end near the handle (i.e., the right end in fig. 1) and the proximal end is the end away from the handle (i.e., the left end in fig. 1).
Preferably, the positioning device 2 and the inner tube 1 are formed as an integral structure, for example, the inner tube 1 with the positioning device 2 is formed by extrusion molding of a polymer material through a die, or the integral structure of the positioning device 2 and the inner tube 1 can be formed by 3D printing, so long as the contact surface area between the inner tube 1 and the bracket 3 can be increased.
Preferably, the connection mode of the positioning device 2 and the inner pipe 1 includes, but is not limited to, any one of mechanical connection, hot melt connection, adhesive connection, welding or integral injection molding. Wherein, the mechanical connection between the positioning device 2 and the inner tube 1 includes but is not limited to mechanical screw connection.
The glue used for the glue connection between the positioning device 2 and the inner tube 1 includes, but is not limited to, any one of Loctite glue (e.g., Loctite 3011, 3321, 3493, 3494, 3321, 3751, 1128, etc.), dimass glue (Dymax 203a-cth-f, 204-cth-f, 1201-m-sc, 1128a-m, etc.), neucel glue (NuSil MED-2000P), or Dow Corning SILICONE rubber medical SILICONE rubber (Dow Corning SILASTIC MEDICAL ADHESIVE SILICONE, TYPE a).
Above-mentioned positioner 2 in by the fixed back of support ligature 4 on inner tube 1 as support 3, positioner 2 has increased the area of contact of support 3 and inner tube 1, make support 3 connect as an organic whole as far as possible through positioner 2 and inner tube 1, thereby the area of contact of support 3 and inner tube 1 has been increased, the friction of support 3 and inner tube 1 has been increased, when 3 distal ends of support rotate along with the handle, 3 near-end pivoted synchronism of support, can improve the follow-up turning nature of support 3, the accuracy of 3 location of support has been improved. The stent 3 is bound but not without any aperture, and the binding diameter of the stent 3 is not increased by the positioning device 2 with reasonable size, i.e. the overall outer diameter size is not increased.
The installation position of the positioning device 2 on the inner pipe 1 is the same as or different from the binding position of the bracket binding wire 4 on the bracket 3. The present embodiment provides a rack system in which the installation position of the positioning means 2 is the same as the binding position of the rack binding wire 4.
The stent 3 in the positioning device 2 is a covered stent which comprises any one of an integrated stent, a stent with branches or a bifurcated stent.
The use process of the bracket system is as follows:
the main body 203 of the positioning device 2 is first glued to the inner tube 1 via the inner cavity 204.
Then the bracket 3 is bound on the periphery of the near end of the inner tube 1 provided with the positioning device 2 by using a bracket binding wire 4, the far end of the inner tube 1 is connected with a handle, and the handle is rotated, so that the inner tube 1 can correspondingly rotate along with the rotation of the handle. As shown in fig. 6, the proximal end of the delivery device is introduced into the aortic vessel over a guidewire 6. As shown in fig. 1 and 7, the outer tube 5 is withdrawn, the handle is rotated, and since the handle is connected to the distal end of the inner tube 1 and the proximal end of the inner tube 1 is connected to the stent 3, the stent 3 is rotated with the inner tube 1, and the stent 3 is adjusted to a proper position (e.g., the main thoracic stent is aligned with the branch vessel or the main abdominal stent is aligned with the side of the branch vessel). Finally the stent 3 is released and the stent 3 and the stent binding thread 4 remain in the body and the remaining components except for the stent 3 and the stent binding thread 4 are withdrawn from the body.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. Positioner, its characterized in that: the anti-theft device comprises a main body (203), wherein an inner cavity (204) which penetrates through the main body (203) along the axial direction is formed in the main body, and at least one stop block (202) is further arranged on the outer surface of the main body (203).
2. The positioning device according to claim 1, characterized in that the stop (202) extends in the axial direction of the body (203).
3. The positioning device according to claim 1, wherein the outer circumference of the main body (203) is provided with a plurality of stoppers (202), the plurality of stoppers (202) being spaced apart along the circumference of the main body (203).
4. The positioning device according to claim 1, wherein an outer surface of the main body (203) is convex in a direction away from the inner cavity (204) to form the stop (202).
5. A positioning device according to any one of claims 1-4, characterized in that the stop (202) is provided with a plurality of protrusions (201).
6. The positioning device according to claim 5, wherein the stop (202) has a first side and a second side extending in the axial direction of the main body (203) and arranged opposite to each other, the plurality of protrusions (201) being arranged on the first side and/or the second side.
7. The positioning device according to any one of claims 1 to 4, characterized in that the end of the stop block (202) is provided with at least one preformed hole (205), and the preformed hole (205) is axially penetrated along the stop block (202).
8. The positioning device according to any one of claims 1 to 4, characterized in that a chamfer (206) is provided at the junction of the stop (202) and the inner cavity (204).
9. A delivery device comprising an inner tube (1) and at least one positioning device according to any one of claims 1 to 8, wherein the positioning device (2) is arranged at the distal end of the inner tube (1) and connected to the inner tube (1), and wherein the positioning device is adapted to carry a medical implant.
10. The delivery device of claim 9, wherein: the positioning device (2) and the inner pipe (1) are of an integrated structure.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010621134.0A CN113925651A (en) | 2020-06-30 | 2020-06-30 | Positioning device and conveying device comprising same |
| PCT/CN2021/080236 WO2022001172A1 (en) | 2020-06-30 | 2021-03-11 | Positioning device, and delivery device comprising same |
| ARP210101840A AR122821A1 (en) | 2020-06-30 | 2021-06-30 | POSITIONING DEVICE AND ADMINISTRATION DEVICE COMPRISING IT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010621134.0A CN113925651A (en) | 2020-06-30 | 2020-06-30 | Positioning device and conveying device comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113925651A true CN113925651A (en) | 2022-01-14 |
Family
ID=79272786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010621134.0A Pending CN113925651A (en) | 2020-06-30 | 2020-06-30 | Positioning device and conveying device comprising same |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN113925651A (en) |
| AR (1) | AR122821A1 (en) |
| WO (1) | WO2022001172A1 (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879103A (en) * | 2010-07-28 | 2010-11-10 | 黄连军 | Intravascular stent conveying device |
| CN104706449A (en) * | 2013-12-17 | 2015-06-17 | 微创心脉医疗科技（上海）有限公司 | Stent delivery system and later releasing assembly thereof |
| CN204709092U (en) * | 2015-04-23 | 2015-10-21 | 有研亿金新材料有限公司 | Aortic stents induction system |
| CN106806043A (en) * | 2015-11-30 | 2017-06-09 | 先健科技(深圳)有限公司 | Intraluminal stent and intraluminal stent system |
| US20180250149A1 (en) * | 2009-06-23 | 2018-09-06 | CARDINAL HEALTH SWITZERLAND 515 GmbH | Endoprothesis delivery system |
| CN109700572A (en) * | 2018-12-29 | 2019-05-03 | 先健科技(深圳)有限公司 | Only compression apparatus and its conveyer for conveyer |
| CN110225729A (en) * | 2017-01-19 | 2019-09-10 | 柯惠有限合伙公司 | Connection unit for medical device delivery system |
| CN213047504U (en) * | 2020-06-30 | 2021-04-27 | 上海微创心脉医疗科技(集团)股份有限公司 | Positioning device and conveying device comprising same |
-
2020
- 2020-06-30 CN CN202010621134.0A patent/CN113925651A/en active Pending
-
2021
- 2021-03-11 WO PCT/CN2021/080236 patent/WO2022001172A1/en active Application Filing
- 2021-06-30 AR ARP210101840A patent/AR122821A1/en unknown
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180250149A1 (en) * | 2009-06-23 | 2018-09-06 | CARDINAL HEALTH SWITZERLAND 515 GmbH | Endoprothesis delivery system |
| CN101879103A (en) * | 2010-07-28 | 2010-11-10 | 黄连军 | Intravascular stent conveying device |
| CN104706449A (en) * | 2013-12-17 | 2015-06-17 | 微创心脉医疗科技（上海）有限公司 | Stent delivery system and later releasing assembly thereof |
| CN204709092U (en) * | 2015-04-23 | 2015-10-21 | 有研亿金新材料有限公司 | Aortic stents induction system |
| CN106806043A (en) * | 2015-11-30 | 2017-06-09 | 先健科技(深圳)有限公司 | Intraluminal stent and intraluminal stent system |
| CN110225729A (en) * | 2017-01-19 | 2019-09-10 | 柯惠有限合伙公司 | Connection unit for medical device delivery system |
| CN109700572A (en) * | 2018-12-29 | 2019-05-03 | 先健科技(深圳)有限公司 | Only compression apparatus and its conveyer for conveyer |
| CN213047504U (en) * | 2020-06-30 | 2021-04-27 | 上海微创心脉医疗科技(集团)股份有限公司 | Positioning device and conveying device comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022001172A1 (en) | 2022-01-06 |
| AR122821A1 (en) | 2022-10-05 |
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