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WO2013097261A1 - Stent pour sinus nasal et dispositif de transport spécial associé - Google Patents

Stent pour sinus nasal et dispositif de transport spécial associé Download PDF

Info

Publication number
WO2013097261A1
WO2013097261A1 PCT/CN2012/000196 CN2012000196W WO2013097261A1 WO 2013097261 A1 WO2013097261 A1 WO 2013097261A1 CN 2012000196 W CN2012000196 W CN 2012000196W WO 2013097261 A1 WO2013097261 A1 WO 2013097261A1
Authority
WO
WIPO (PCT)
Prior art keywords
flexible
control handle
sinus stent
sinus
inner tube
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.)
Ceased
Application number
PCT/CN2012/000196
Other languages
English (en)
Chinese (zh)
Inventor
毛建勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MAXENMED (GUANGZHOU) CO Ltd
Original Assignee
MAXENMED (GUANGZHOU) CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MAXENMED (GUANGZHOU) CO Ltd filed Critical MAXENMED (GUANGZHOU) CO Ltd
Publication of WO2013097261A1 publication Critical patent/WO2013097261A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • A61F2/82—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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0065—Three-dimensional shapes toroidal, e.g. ring-shaped, doughnut-shaped
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0073—Quadric-shaped
    • A61F2230/0078—Quadric-shaped hyperboloidal
    • 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
    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
    • A61F2250/0037—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in height or in length

Definitions

  • the present invention relates to an auxiliary instrument for sinus expansion, and more particularly to a sinus stent.
  • the invention also relates to a dedicated delivery device for the sinus stent described above.
  • a former object of the present invention is to provide a sinus stent which is simple in structure and effective in use.
  • a further object of the present invention is to provide a special delivery device for a sinus stent which is compact in structure and simple in operation.
  • the former technical solution of the present invention is realized as follows: a sinus stent, the stent is a cylindrical body, and the cylindrical wall of the cylindrical body is a mesh structure made of an elastic material; the outer diameter of the cylindrical body is 4 ⁇ 15mm, the length of the cylindrical body is 6 ⁇
  • the cylindrical body is composed of a support portion and a positioning portion disposed at two ends of the support portion, and the support portion and the positioning portion are integrally formed as a whole; the outer diameter of the support portion is 5 to 10, 5 ⁇ The diameter of the diameter of 0. 05 ⁇ 0. 5ram. The diameter of the wire is 0. 05 ⁇ 0. 5ram.
  • the mesh structure has a mesh size of 1 mm 2 to 9 mm 2 .
  • the sinus stent of the mesh structure can effectively support the sinus ostium after balloon expansion, and prevent the symptoms of re-stenosis of the sinus mouth, thereby rapidly and effectively treating sinusitis and achieving the desired effect. There is no need to repeat the review several times, which not only reduces the suffering of the patient, but also saves the patient's expenses.
  • a special delivery device for a sinus stent comprising a control handle, wherein the control handle has a long hole in a side wall thereof, and a sliding handle is arranged in the long hole, the sliding
  • the free end of the handle is connected with a flexible outer sleeve, the free end of the flexible outer sleeve extends outside the control handle;
  • the flexible outer sleeve is provided with a flexible inner tube, and one end of the flexible inner tube passes through the control handle and is external
  • the other end of the flexible inner tube cooperates with the flexible outer sleeve to form a placement cavity for placing the compressed sinus stent.
  • the flexible end of the flexible inner tube is provided with a flexible guiding head, a flexible guiding head
  • the description is located on the outside of the flexible outer casing and the outer diameter of the flexible guide head is adapted to the outer diameter of the flexible outer casing, and the flexible guide head (7) is provided with an axial through hole communicating with the flexible inner tube (5).
  • the outer wall of the flexible inner tube on the rear side of the flexible guide head is provided with an annular groove in the circumferential direction, and the placement cavity is formed by the annular groove and the flexible outer sleeve.
  • the side wall of the control handle is provided with a wire joint communicating with the outside, and one end of the flexible inner tube contacting the control handle is connected with the wire guide.
  • the present invention uses the guide wire used in the sinus balloon expansion to find the position of the sinus, and through the cooperation of the flexible inner tube and the flexible outer sleeve, the sinus stent is transported to the sinus mouth under the control of the control handle, and passes The sliding handle controls the movement of the flexible outer sleeve to release the sinus stent, so that the sinus stent naturally expands and abuts against the sinus wall, thereby completing the expansion support of the sinus ostium.
  • the use of sinus rest and stenosis may occur after two years of balloon dilatation. If the sinus stent is used, the time for narrowing the sinus can be more than doubled.
  • Embodiment 1 is a schematic structural view of Embodiment 1 of a sinus stent according to the present invention
  • Figure 2 is a cross-sectional view taken along line AA of Figure 1;
  • Figure 3 is a schematic view showing the structure of the sinus stent of the present invention.
  • Figure 4 is a cross-sectional view of Figure 3 at BB;
  • Figure 5 is a schematic structural view of a conveying device of the present invention.
  • Figure 6 is a schematic view showing the structure of the delivery device of the present invention after placing the sinus stent
  • Figure 7 is a partial enlarged view of the portion C in Figure 5;
  • Figure 8 is a partial enlarged view of the portion D in Figure 6;
  • Figure 9 is a schematic view showing the structure of the delivery device of the present invention when releasing the sinus stent
  • Figure 10 is a schematic view showing the structure of the delivery device of the present invention after releasing the sinus stent.
  • cylindrical body 1 support part la, positioning part lb, control handle 2, sliding handle 3, flexible outer sleeve 4, flexible inner tube 5, placement cavity 6, flexible guide head 7, guide wire joint 8.
  • the stent is a cylindrical body 1, the cylinder wall of which is a mesh structure made of an elastic material; the outer diameter of the cylindrical body 1 is 4 to 15 mm, the length of the cylindrical body 1 is 6 to 20 mm. 5 ⁇ The diameter of the wire is 0. 05 ⁇ Instruction manual
  • the mesh size of the mesh structure is 1 mm 2 to 9 mm 2 .
  • a special delivery device for a sinus stent of the present invention comprises an elongated control handle 2, and a long hole is arranged along the length direction on the side wall of the control handle 2, and is arranged in the long hole.
  • a sliding handle 3 There is a sliding handle 3, and the free end of the sliding handle 3 in the control handle 2 is connected with a flexible outer sleeve 4, the free end of the flexible outer sleeve 4 extends outside the control handle 2; and the flexible inner sleeve 5 is provided with a flexible inner tube 5
  • the flexible inner tube 5 end passes through the control handle 2 and communicates with the outside, and the other end of the flexible inner tube 5 cooperates with the flexible outer sleeve 4 to form a placement cavity 6 for placing the compressed sinus support.
  • an annular groove is circumferentially provided on the outer wall of the flexible inner tube 5 on the rear side of the flexible guide head 7, and the placement chamber 6 is formed by the annular groove and the flexible outer sleeve 4.
  • a flexible flexible guide head 7 is provided at the free end of the flexible inner tube 5, and the flexible guide head 7 is located outside the flexible outer sleeve 4 and outside the flexible guide head 7.
  • the diameter is adapted to the outer diameter of the flexible outer sleeve 4, and the flexible guide head 7 is provided with an axial through hole communicating with the flexible inner tube 5.
  • a guide wire joint 8 communicating with the outside is provided on the side wall of the control handle 2, and one end of the flexible inner tube 5 in contact with the control handle 2 is connected to the wire guide 8.
  • the guide wire connector 8 is provided with a tapered inner hole, and a guide wire joint 8 having a tapered inner hole is used to facilitate the entry of the guide wire into the inner cavity of the flexible inner tube 5.
  • an appropriate size of the sinus stent 1 is selected, and the sinus stent 1 is compressed and placed into the placement chamber 6.
  • the free end of the guide wire is inserted from the flexible guide head 7 and protrudes from the guide wire connector 8 by using the guide wire used in the operation, and the operator controls the flexibility by the control handle 2
  • the outer sleeve 4 and the flexible inner tube 5 are guided by the front flexible guide head 7, find the position of the sinus, and then extend into the sinus cavity.
  • a sinus stent of the present invention has the same structure as that of Embodiment 1, except that the cylindrical body 1 is composed of a support portion 1a and a positioning portion lb disposed at both ends of the support portion 1a.
  • the support portion 1a and the positioning portion 1b are integrally formed; the outer diameter of the support portion 1a is 5 to 10, and the outer diameter of the positioning portion 1b is 6 to 14 nm.
  • This structure can make the sinus stent less prone to displacement in the sinus ostium, and the time for re-stenosis of the sinus ostium can be further prolonged.
  • the method of use and positioning is the same as that of the first embodiment.

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)
  • Media Introduction/Drainage Providing Device (AREA)
  • Surgical Instruments (AREA)

Abstract

La présente invention concerne un stent pour sinus nasal et un dispositif de transport spécial associé. Le stent pour sinus nasal a un corps cylindrique (1), et la paroi cylindrique du corps cylindrique (1) est une structure réticulée fabriquée en un matériau élastique. Le dispositif de transport comprend une poignée de commande (2), un trou en forme de fente étant fourni sur une paroi latérale de la poignée de commande (2), et une poignée coulissante (3) est fournie dans le trou en forme de fente, et l'extrémité libre de la poignée coulissante (3) se trouvant à l'intérieur de la poignée de commande (2) est connectée à une gaine souple (4), alors que l'extrémité libre de la gaine flexible (4) s'étend jusqu'à la surface extérieure de la poignée de commande (2) ; un tube interne souple (5) est ajusté de manière amovible dans la gaine souple (4), une extrémité du tube interne flexible (5) passant dans la poignée de commande (2) et étant ainsi en communication avec l'extérieur, et l'autre extrémité du tube interne souple (5) étant combiné à la gaine souple (4) pour former une cavité de positionnement (6) pour contenir le stent pour sinus nasal comprimé. Le stent pour sinus nasal a une structure simple et de bons résultats d'utilisation, et le dispositif de transport spécial du stent pour sinus nasal a une structure compact et est simple et commode à utiliser.
PCT/CN2012/000196 2011-12-31 2012-02-20 Stent pour sinus nasal et dispositif de transport spécial associé Ceased WO2013097261A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110460985.2 2011-12-31
CN2011104609852A CN102512272A (zh) 2011-12-31 2011-12-31 鼻窦支架以及其专用输送装置

Publications (1)

Publication Number Publication Date
WO2013097261A1 true WO2013097261A1 (fr) 2013-07-04

Family

ID=46283544

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/000196 Ceased WO2013097261A1 (fr) 2011-12-31 2012-02-20 Stent pour sinus nasal et dispositif de transport spécial associé

Country Status (2)

Country Link
CN (1) CN102512272A (fr)
WO (1) WO2013097261A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017035485A1 (fr) * 2015-08-26 2017-03-02 Medtronic Xomed, Inc. Stent sinusal et nasal
US10596330B2 (en) 2015-08-26 2020-03-24 Medtronic Xomed, Inc. Resorbable, drug-eluting submucosal turbinate implant device and method

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102988122B (zh) * 2012-11-13 2013-11-06 浦易（上海）生物技术有限公司 一种用于治疗鼻窦炎或过敏性鼻炎的假体系统
CN107485472B (zh) * 2017-08-07 2020-07-14 王清红 鼻窦道内生物降解支架导入装置
CN107714243B (zh) * 2017-09-29 2021-05-07 依奈德医疗技术（上海）有限公司 自膨胀式鼻内支架
CN109106483B (zh) * 2018-07-18 2020-12-18 浦易（上海）生物技术有限公司 一种鼻窦支架
CN109044525B (zh) * 2018-09-11 2024-06-04 南微医学科技股份有限公司 一种导丝接头
CN111096833B (zh) * 2018-10-25 2022-06-07 东莞市先健医疗有限公司 输送器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030212451A1 (en) * 1999-05-17 2003-11-13 Cox Daniel L. Self-expanding stent with enhanced delivery precision and stent delivery system
US20050240147A1 (en) * 2004-04-21 2005-10-27 Exploramed Ii, Inc. Devices, systems and methods for diagnosing and treating sinusitus and other disorders of the ears, nose and/or throat
US7235099B1 (en) * 2004-12-14 2007-06-26 Micromedics, Inc. Sphenoid sinus stent
CN101945621A (zh) * 2007-12-18 2011-01-12 因特尔赛克特耳鼻喉公司 自扩展装置及用于其的方法
CN102028570A (zh) * 2009-09-30 2011-04-27 吴雄 X线监视下显影的非血管支架输送器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2526020Y (zh) * 2001-11-28 2002-12-18 周星 记忆合金鼻窦口支撑模
DE102006004123A1 (de) * 2006-01-25 2007-08-02 Jotec Gmbh Einführsystem für Stents mit Zug-Druck-Kinematik
CN201244105Y (zh) * 2008-08-14 2009-05-27 浙江省中医院 内镜直视下的支架二次释放置入器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030212451A1 (en) * 1999-05-17 2003-11-13 Cox Daniel L. Self-expanding stent with enhanced delivery precision and stent delivery system
US20050240147A1 (en) * 2004-04-21 2005-10-27 Exploramed Ii, Inc. Devices, systems and methods for diagnosing and treating sinusitus and other disorders of the ears, nose and/or throat
US7235099B1 (en) * 2004-12-14 2007-06-26 Micromedics, Inc. Sphenoid sinus stent
CN101945621A (zh) * 2007-12-18 2011-01-12 因特尔赛克特耳鼻喉公司 自扩展装置及用于其的方法
CN102028570A (zh) * 2009-09-30 2011-04-27 吴雄 X线监视下显影的非血管支架输送器

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017035485A1 (fr) * 2015-08-26 2017-03-02 Medtronic Xomed, Inc. Stent sinusal et nasal
JP2018528808A (ja) * 2015-08-26 2018-10-04 メドトロニック・ゾーメド・インコーポレーテッド 洞および鼻のステント
US10596330B2 (en) 2015-08-26 2020-03-24 Medtronic Xomed, Inc. Resorbable, drug-eluting submucosal turbinate implant device and method
US11654250B2 (en) 2015-08-26 2023-05-23 Medtronic Xomed, Inc. Resorbable, drug-eluting submucosal turbinate implant device and method
US11759314B2 (en) 2015-08-26 2023-09-19 Medtronic Xomed, Inc. Sinus and nasal stent

Also Published As

Publication number Publication date
CN102512272A (zh) 2012-06-27

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