CN113274176A - Angle-adjustable heart stent with local amplification function - Google Patents

Angle-adjustable heart stent with local amplification function Download PDF

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Publication number
CN113274176A
CN113274176A CN202110575683.3A CN202110575683A CN113274176A CN 113274176 A CN113274176 A CN 113274176A CN 202110575683 A CN202110575683 A CN 202110575683A CN 113274176 A CN113274176 A CN 113274176A
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China
Prior art keywords
annular
rods
shaped
rod
radial
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Granted
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CN202110575683.3A
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Chinese (zh)
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CN113274176B (en
Inventor
董小伟
程建新
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First Affiliated Hospital of Henan University of Science and Technology
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First Affiliated Hospital of Henan University of Science and Technology
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Priority to CN202110575683.3A priority Critical patent/CN113274176B/en
Publication of CN113274176A publication Critical patent/CN113274176A/en
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Publication of CN113274176B publication Critical patent/CN113274176B/en
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    • 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
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/848—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents having means for fixation to the vessel wall, e.g. barbs
    • 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
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • 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
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
    • 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
    • A61F2/958—Inflatable balloons for placing stents or stent-grafts

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Optics & Photonics (AREA)
  • Physics & Mathematics (AREA)
  • Prostheses (AREA)

Abstract

A heart stent with adjustable angle and local amplification relates to a heart stent, which comprises a mesh tubular framework, wherein annular rods (3) and extension S-shaped rods are sequentially and alternately arranged at the other end of one end of the mesh tubular framework, the periphery of each annular rod is respectively connected with one end of each two axial S-shaped rods (1) and one end of each two radial S-shaped rods (2), specifically, annular rods distributed in a radial direction form an annular structure through the radial S-shaped rods, and the annular rods adjacent to each other in a plurality of annular structures are connected with each other at the two ends of the axial S-shaped rods to form the mesh tubular framework; the radial S-shaped rods between every two annular rods of a plurality of annular structures are stretched to form local amplification of the heart stent; the angle of the heart support is adjustable by stretching the axial S-shaped rods between every two annular structures; the invention obtains local amplification by utilizing the radial S-shaped rod arranged between the annular rods, and the obtaining angle of the axial S-shaped rod arranged between the annular rods is adjustable.

Description

Angle-adjustable heart stent with local amplification function
[ technical field ] A method for producing a semiconductor device
The invention relates to a heart stent, in particular to a heart stent with adjustable angle and local amplification.
[ background of the invention ]
Blood vessels are known as the blood transport channel, and some patients suffering from local stenosis or obstruction of blood vessels may cause blood flow restriction or loss of blood transfusion function; the traditional chest-opening operation is rarely adopted for patients, and the implantation of a heart stent in a diseased part to improve myocardial blood supply insufficiency in modern medicine is a more conventional operation mode, namely, a conveying device is simply used for conveying the heart stent to a part needing to be placed, a catheter is placed and withdrawn, and the operation is ended; a heart Stent (Stent), also called coronary Stent, is a common medical instrument in heart interventional surgery and has the function of dredging arterial vessels; the stent is mainly made of stainless steel, nickel-titanium alloy or cobalt-chromium alloy, the structural form is approximately cylindrical, the cylinder is formed by a grid with a rhombic net-shaped structure, and the stent has a certain integral expansion function when in use; coronary artery rupture caused by the fact that the end of the stent is provided with a sharp head in the stent implantation process, or the stent or the rear balloon is selected to be larger, or the implantation, the rear diffusion pressure and the like are excessive; the stent displacement is mainly caused by the fact that the stent is not fused with a blood vessel wall when being implanted and is deviated from a supporting part due to the peristalsis of the blood vessel, and the stent is further partially or completely disabled.
[ summary of the invention ]
In order to overcome the defects in the background art, the invention discloses a heart stent with an adjustable angle and local amplification.
The technical scheme for realizing the invention is as follows:
a heart stent with adjustable angle and local amplification comprises a mesh tubular framework, wherein annular rods and extension S-shaped rods are alternately arranged on the other end of one end of the mesh tubular framework in sequence, the periphery of each annular rod is respectively connected with one end of each axial S-shaped rod and one end of each radial S-shaped rod, the other end of each axial S-shaped rod is connected with the other annular rod, the other end of each radial S-shaped rod is connected with the other annular rod to form a net-shaped structure in the same way, the number of the radially-distributed annular rods is any one of two, three or four, an annular structure is formed between every two specific radially-distributed annular rods through the radial S-shaped rods, and the mesh tubular framework is formed by connecting the two ends of the axial S-shaped rods between every two adjacent annular rods of a plurality of annular structures;
the radial S-shaped rods between every two annular rods of a plurality of annular structures are stretched to form local amplification of the heart stent;
the heart stent is formed by stretching axial S-shaped rods between every two annular structures, and the angle of the heart stent is adjustable.
The heart support with adjustable angle and local amplification is characterized in that the outer sides of the annular rods of the annular structures at the outermost sides of the two ends of the heart support are of semicircular structures.
The heart support with the adjustable angle and the local amplification function is characterized in that the annular rod is a circular annular rod or a polygonal annular rod.
The heart support with the adjustable angle and the local amplification function is characterized in that the annular rod of the circular structure comprises an oval shape.
The heart support with the adjustable angle and the local amplification function comprises a polygonal annular rod and an octagonal annular rod.
The heart support with the adjustable angle and the locally enlarged function is characterized in that two ends of the axial S-shaped rod and two ends of the radial S-shaped rod are respectively provided with a short straight rod, and the short straight rods are connected with the annular rods.
Through the disclosure, the beneficial effects of the invention are as follows:
the heart stent with the adjustable angle and the local amplification is characterized in that the heart stent is arranged into a plurality of annular rods, the annular rods are connected with the annular rods by utilizing the axial S-shaped rods and the radial S-shaped rods, in a plurality of annular structures formed by the annular rods and the radial S-shaped rods, the radial S-shaped rods can be stretched to obtain the local amplification of the heart stent to obtain other insufficient amplification parts to form a heart stent in a shape of Chinese character 'zhong' or 'serial' in a shape, the local amplification part is used for preventing the displacement in long-time use from deviating from the supporting part, and the axial S-shaped rods can enable the heart stent to follow up in a coronary artery when in use, and the two parts are added to obtain any angle adjustment and displacement prevention; the two end parts of the heart stent can prevent the tip pricks at the end part of the existing heart stent from damaging coronary arteries through the semicircular rods and the radial S-shaped rods of the annular rods; the multi-cavity arrangement of the conveying device matched with the system enables the pushing pipe to realize local expansion, so that the cardiac stent is ensured not to be excessively expanded when being implanted, and the pressure requirement of the cardiac stent at the required position is ensured; the application has no obvious sharp edge, so that the safety after implantation is ensured; the invention effectively overcomes the displacement risk in the prior art, and the combination of all points realizes the non-cutting edge protection of the coronary artery blood vessel wall.
[ description of the drawings ]
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the expanded configuration of the present invention;
FIG. 3 is an enlargement of section A of FIG. 2;
FIG. 4 is a schematic view of the structure of the present invention on a conveyor;
FIG. 5 is a schematic view of the internal structure of the conveyor apparatus of the present invention;
FIG. 6 is a schematic diagram of the installation position of the spacing circular plate of the conveying device used in conjunction with the present invention;
FIG. 7 is a schematic diagram of a chamber distribution configuration for use with the transfer apparatus of the present invention;
FIG. 8 is a schematic structural view of a pneumatic tube B used in conjunction with the present invention;
FIG. 9 is a perspective view of the expansion preventing circular plate of the present invention used in combination with the present invention;
FIG. 10 is a schematic perspective view of a spacer disk used with the present invention;
FIG. 11 is a schematic view of a supporting spring plate used with the present invention;
FIG. 12 is a schematic view of the present invention after it has been advanced through a delivery device into a coronary artery;
in the figure: 1. an axial S-shaped rod; 2. a radial S-shaped rod; 3. an annular rod; 4. the outer wall of the bag body; 5. a guide head; 6. a connecting ring A; 7. a connecting ring B; 8. a propulsion tube; 9. guiding the steel wire; 10. a semicircular end; 11. closing the end portion; 12. an air delivery pipe A; 13. an air delivery pipe B; 14. spacing circular plates; 15. an expansion prevention circular plate; 16. a support spring piece; 17. air holes A; 18. air holes B; 19. a side hole; 20. a middle hole; 21. a chamber A; 22. a chamber B; 23. the other side hole; 24. a chamber C; 25. a spring plate chamber; 26. a coronary artery stenting section; 27. a coronary artery support section; 28. the coronary artery; 29. the inner wall of the coronary artery.
[ detailed description ] embodiments
The present invention will be further illustrated with reference to the following examples; the following examples are not intended to limit the present invention, and are only used as a support for the implementation of the present invention, and any equivalent structure replacement within the technical framework of the present invention is included in the protection scope of the present invention;
the heart stent with adjustable angle and local amplification combined with the attached drawings 1-4 comprises a net tubular frame, wherein the net tubular frame is provided with annular rods 3 and extending S-shaped rods in turn from one end to the other end, the annular rods 3 are polygonal annular rods 3 comprising elliptical circular annular rods 3 or hexagonal annular rods 3 and octagonal annular rods 3, the periphery of each annular rod 3 is respectively connected with one end of each axial S-shaped rod 1 and one end of each radial S-shaped rod 2, the other end of each axial S-shaped rod 1 is connected with the other annular rod 3, similarly, the other end of each radial S-shaped rod 2 is connected with the other annular rods 3 to form a net structure, wherein the number of the radially distributed annular rods 3 is any one of two, three or four, and a specific annular structure is formed between every two radially distributed annular rods 3 through the radial S-shaped rods 2, the two adjacent annular rods 3 of the plurality of annular structures are connected with each other by two ends of the axial S-shaped rod 1 to form a tubular frame, two ends of the axial S-shaped rod 1 and two ends of the radial S-shaped rod 2 are respectively provided with a short straight rod, the short straight rods are connected with the annular rods 3, the outer sides of the annular rods 3 of the outermost annular structures at two ends of the heart support are of semicircular structures, namely the axial S-shaped rods 1 are not arranged; the local enlargement of the heart stent is formed by stretching the radial S-shaped rods 2 between every two annular rods 3 of a plurality of annular structures; the heart stent is formed by stretching the axial S-shaped rods 1 between every two annular structures, and the angle of the heart stent is adjustable.
The heart stent with the adjustable angle and the local amplification can be made of materials acceptable to human bodies, such as stainless steel or nickel titanium and the like; the structure in fig. 1 is a finished structure of the present application, and it should be noted that the scheme shown in fig. 2 is a developed structure for facilitating understanding of those skilled in the art, in which each point at the upper end and each point at the lower end are correspondingly connected together, that is, the present application obtains the required hollow structure from the tubular body by a laser cutting method, a chemical etching method or other methods.
In practice, with reference to the schematic diagrams of the heart stent shown in fig. 1 to 3 and the schematic diagrams of the delivery device shown in fig. 4 to 12, in use, the two air supply interfaces of the delivery device are respectively connected with the air delivery pipe a12 and the air delivery pipe B13, the heart stent is sleeved in the middle of the balloon outer wall 4 of the propulsion pipe 8 from the guide head 5 of the delivery device, the diameter of the guide head 5 is smaller than that of the propulsion pipe 8, several annular structures in the middle of the heart stent are positioned outside the chamber B22 in the middle of the propulsion pipe 8, several annular structures at two ends of the heart stent are respectively positioned outside the chamber C24 between the guide head 5 and the chamber B22 of the propulsion pipe 8 and outside the chamber a21 between the expansion prevention 15 and the chamber B22 closest to the chamber, and then the inflation device is used to respectively inflate the air delivery pipe a12 and the air delivery pipe B13 into the chamber a21, a circular disk of the gas-type heart stent stable in the propulsion pipe 8, Outside the chamber B22 and the chamber C24, the guide steel wire 9 in the semicircular end 10 of the guide head 5 enters the incision and reaches the diseased part of the coronary artery 28, then the air delivery pipe A12 of the chamber B22 at the diseased part of the coronary artery 28 is pressurized through the propelling pipe 8, the chamber B22 of the propelling pipe 8 is inflated under the action of air, the radial S-shaped rods 2 between every two annular rods 3 of the annular structure in the middle of the heart stent are stretched, the heart stent in the inner wall 29 of the coronary artery forms a middle coronary artery supporting section 26, the coronary artery supporting section 27 'the structure in the attached figure 12' is formed at the position close to two ends of the heart stent, then the propelling pipe 8 of the chamber A21, the chamber B22 and the chamber C24 is deflated by using an inflating device and taken out, and then the medical staff stops bleeding by back-buckling.
Further, for the smooth implementation of the present application, the requirements of the present application on the conveying device are described, the two air sources of the conveying device can independently control air supply, the spacing circular plate 14 and the expansion prevention circular plate 15 are made of the same material and structure, the difference is the difference of different positions and different functions, and the material is made of medical grade plastic or medical grade nylon material; the supporting spring pieces 16 are made of flexible nylon, and the main functions of the supporting spring pieces 16 are to support the propulsion pipe 8 and ensure flexibility; the material of the propelling pipe 8 is made of elastic polyester material, silicon rubber material or collagen material;
mounting the conveying device, namely, punching air holes B18 on an air conveying pipe A12 in combination with the structure shown in the figure 6, then thermally melting the end part of the air conveying pipe A12 to form a closed end part 11, punching two air holes A17 on the air conveying pipe B13 at intervals, and thermally melting the end part of the air conveying pipe B13 to form the closed end part 11; the guide wire 9 is inserted into the middle hole 20 of the first expansion prevention circular plate 15, the air delivery tube a12 and the air delivery tube B13 are inserted into the one side hole 19 and the other side hole 23 of the first expansion prevention circular plate 15, the air delivery tube a12 and the air delivery tube B13 are fixed to the one side hole 19 and the other side hole 23 of the first expansion prevention circular plate 15 by gluing, the first support spring plate 16 is sleeved outside the guide wire 9 and the air delivery tube a12 and the air delivery tube B13, the guide wire 9 is inserted into the middle hole 20 of the second expansion prevention circular plate 15, the air delivery tube a12 and the air delivery tube B13 are inserted into the one side hole 19 and the other side hole 23 of the second expansion prevention circular plate 15 and fixed, the second support spring plate 16 is sleeved outside the guide wire 9 and the air delivery tube a12 and the air delivery tube B13, the guide wire 9 is inserted into the middle hole 20 of the third expansion prevention circular plate 15, the air delivery tube a12 and the air delivery tube B13 are inserted into the fixed hole 19 and the other side hole 23 of the third expansion prevention circular plate 15 And then, the third supporting spring piece 16 is sleeved on the outer part of the guide steel wire 9 and the air delivery pipe A12 and the air delivery pipe B13 until the whole designed number of the expansion preventing circular plates 15 and the supporting spring pieces 16 are installed; finally, two spacing circular plates 14 are sleeved on the guide steel wire 9, the air conveying pipe A12 and the air conveying pipe B13 are inserted into one side hole 19 and the other side hole 23 of the two spacing circular plates 14 to be fixed, at the moment, two air holes A17 of the air conveying pipe B13 are respectively positioned at a cavity A21 and a cavity C24, an air hole B18 of the air conveying pipe A12 is positioned in the cavity B22 to complete the assembly of the internal structure, the propelling pipe 8 is sleeved outside the guide steel wire 9, the spacing circular plates 14, the expansion-preventing circular plates 15 and the supporting spring pieces 16 which complete the assembly of the internal structure, after the guide steel wire 9 enters the hole in the guide head 5, the guide steel wire 9 is heated, the guide steel wire 9, the inner hole of the guide head 5, the middle holes 20 of the spacing circular plates 14 and the middle holes 20 of the expansion-preventing circular plates 15 are integrally formed under the action of heat conduction, and the double semi-circles are respectively sleeved on the propelling pipe 8 outside the two spacing circular plates 14 to obtain the connection of the outer edge surface of the propelling pipe 14 and the fixed connection of the propelling pipe 8 which forms the outer wall of the propelling pipe 8 The connecting ring A6 and the connecting ring B7 are the same as the fixed connection between the outer edge surfaces of the expansion prevention circular plates 15 and the inner wall of the propelling pipe 8, and spring plate chambers 25 are formed between every two expansion prevention circular plates 15 at the positions of supporting spring plates 16;
in addition, since the present application does not relate to the protection of the application part, the sterile hospital bed during the operation, the preparation of the medical staff and the overall description of the inflating device and the transferring device belong to the applicable scope of the present application as long as various devices which do not need creative work in cooperation with the present application.
The present invention is not described in detail in the prior art.

Claims (6)

1. An angle-adjustable and locally-enlarged heart stent comprises a mesh tubular frame, and is characterized in that: the net tubular frame is provided with annular rods (3) and extending S-shaped rods in turn from one end to the other end, the periphery of each annular rod (3) is respectively connected with one end of each axial S-shaped rod (1) and one end of each radial S-shaped rod (2), the other end of each axial S-shaped rod (1) is connected with the other annular rod (3), the other end of each radial S-shaped rod (2) is connected with the other annular rod (3) to form a net structure in a similar way, wherein the number of the radially distributed annular rods (3) is any one of two, three or four, an annular structure is formed between each two specific radially distributed annular rods (3) through the radial S-shaped rods (2), and the annular rods (3) adjacent to each other in the annular structures are connected by the two ends of the axial S-shaped rods (1) to form the net tubular frame;
the radial S-shaped rods (2) between every two annular rods (3) of a plurality of annular structures are stretched to form local amplification of the heart stent;
the heart support is formed by stretching axial S-shaped rods (1) between every two annular structures, and the angle of the heart support is adjustable.
2. The angularly adjustable and locally expandable heart stent of claim 1, wherein: the outer sides of the annular rods (3) with the annular structures at the outermost sides of the two ends of the heart stent are of semicircular structures.
3. An angularly adjustable and locally expandable heart stent according to claim 1 or 2, characterized in that: the annular rod (3) is a circular annular rod (3) or a polygonal annular rod (3).
4. The angularly adjustable and locally expandable heart stent of claim 3, wherein: the circular-structured ring-shaped rod (3) comprises an oval shape.
5. The angularly adjustable and locally expandable heart stent of claim 3, wherein: the polygonal ring-shaped rods (3) comprise hexagonal ring-shaped rods (3) and octagonal ring-shaped rods (3).
6. The angularly adjustable and locally expandable heart stent of claim 1, wherein: and short straight rods are respectively arranged at two ends of the axial S-shaped rod (1) and the radial S-shaped rod (2), and are connected with the annular rod (3).
CN202110575683.3A 2021-05-26 2021-05-26 Heart support with adjustable angle and local amplification Active CN113274176B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110575683.3A CN113274176B (en) 2021-05-26 2021-05-26 Heart support with adjustable angle and local amplification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110575683.3A CN113274176B (en) 2021-05-26 2021-05-26 Heart support with adjustable angle and local amplification

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CN113274176A true CN113274176A (en) 2021-08-20
CN113274176B CN113274176B (en) 2023-06-23

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6123712A (en) * 1996-08-23 2000-09-26 Scimed Life Systems, Inc. Balloon catheter with stent securement means
US20030093143A1 (en) * 1999-03-01 2003-05-15 Yiju Zhao Medical device having surface depressions containing nitric oxide releasing compound
US6656217B1 (en) * 1996-08-27 2003-12-02 Novovascular, Inc. Medical device coated with a polymer containing a nitric oxide releasing organometallic nitrosyl compound useful for the prevention of platelet aggregation
US20050131530A1 (en) * 2003-12-15 2005-06-16 Darack Ed E. Endoluminal stent
CN201008590Y (en) * 2006-12-05 2008-01-23 天津百畅医疗器械科技有限公司 Blood vessel bracket with super elastic force
US20180147396A1 (en) * 2016-11-30 2018-05-31 Terumo Kabushiki Kaisha Balloon catheter
CN209966659U (en) * 2019-01-16 2020-01-21 上海市第六人民医院 Novel blood vessel support

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6123712A (en) * 1996-08-23 2000-09-26 Scimed Life Systems, Inc. Balloon catheter with stent securement means
US6656217B1 (en) * 1996-08-27 2003-12-02 Novovascular, Inc. Medical device coated with a polymer containing a nitric oxide releasing organometallic nitrosyl compound useful for the prevention of platelet aggregation
US20030093143A1 (en) * 1999-03-01 2003-05-15 Yiju Zhao Medical device having surface depressions containing nitric oxide releasing compound
US20050131530A1 (en) * 2003-12-15 2005-06-16 Darack Ed E. Endoluminal stent
CN201008590Y (en) * 2006-12-05 2008-01-23 天津百畅医疗器械科技有限公司 Blood vessel bracket with super elastic force
US20180147396A1 (en) * 2016-11-30 2018-05-31 Terumo Kabushiki Kaisha Balloon catheter
CN209966659U (en) * 2019-01-16 2020-01-21 上海市第六人民医院 Novel blood vessel support

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