CN110623779A - Intervene and use lag - Google Patents

Intervene and use lag Download PDF

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Publication number
CN110623779A
CN110623779A CN201810644327.0A CN201810644327A CN110623779A CN 110623779 A CN110623779 A CN 110623779A CN 201810644327 A CN201810644327 A CN 201810644327A CN 110623779 A CN110623779 A CN 110623779A
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CN
China
Prior art keywords
balloon
sleeve body
stent
lead wire
strip
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.)
Granted
Application number
CN201810644327.0A
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Chinese (zh)
Other versions
CN110623779B (en
Inventor
连新龙
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.)
LIAOBU HOSPITAL OF DONGGUAN
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Individual
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Priority to CN201810644327.0A priority Critical patent/CN110623779B/en
Publication of CN110623779A publication Critical patent/CN110623779A/en
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Publication of CN110623779B publication Critical patent/CN110623779B/en
Active legal-status Critical Current
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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
    • 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
    • A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/958—Inflatable balloons for placing stents or stent-grafts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • 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
    • A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/006—Additional features; Implant or prostheses properties not otherwise provided for modular

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Transplantation (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Cardiology (AREA)
  • Hematology (AREA)
  • Child & Adolescent Psychology (AREA)
  • Pulmonology (AREA)
  • Biophysics (AREA)
  • Anesthesiology (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

The invention discloses a protective sleeve for intervention, which comprises a sleeve body, a traction lead wire and a hand pull ring, wherein the sleeve body is sleeved on a bracket or a balloon, the sleeve body is a conical cylinder formed by spiral strip-shaped sheets, the tail end of the conical cylinder is provided with a sleeve opening, the head end of the conical cylinder is provided with an opening only capable of passing through the intervention lead wire, the adjacent strip-shaped sheets are connected through a tearable contact, the strip-shaped sheet at the tail end of the sleeve body is connected with the traction lead wire, and the tail end of the traction lead wire is provided with the hand; the inner wall and the outer wall of the sleeve body are both provided with hydrophilic anti-slip coatings. The invention can lead the stent or the ball to smoothly pass through the lesion part in the interventional operation, effectively shorten the operation time, improve the operation efficiency and reduce the operation cost.

Description

Intervene and use lag
Technical Field
The invention relates to the technical field of interventional therapy devices, in particular to a protective sleeve for intervention.
Background
At present, the following problems exist in the vascular interventional therapy work of a plurality of clinical departments including cardiovascular department, neurology department, interventional department and the like: 1. the stent or balloon may be difficult or impossible to pass through due to excessive tortuosity, stenosis, calcification, plaque load. 2. Various auxiliary devices are used to pass the stent or balloon through the lesion, such as: the double guide wires, the new balloon or the brackets with different models and brands are used, the rotary grinding and cutting devices are used, the use process is complex, the medical resource consumption is large, and the effect is not ideal under some conditions. 3. When a plurality of devices are used, the problem that the operation cannot be smoothly carried out due to the fact that the bracket or the saccule still cannot smoothly pass through under the condition of a plurality of devices, the operation time is prolonged, the bracket is unloaded, even thrombosis, an interlayer is formed and the like can seriously endanger the life of a patient.
Therefore, how to provide a protective sleeve for intervention becomes a problem which needs to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides a protective cover for interventional procedures, which can enable a stent or a balloon to smoothly pass through a diseased region during an interventional procedure, thereby effectively shortening a procedure time, improving a procedure efficiency, and reducing a procedure cost.
In order to achieve the purpose, the invention adopts the following technical scheme:
a protective sleeve for intervention comprises a sleeve body, a drawing lead wire and a hand pull ring, wherein the sleeve body is sleeved on a support or a balloon, the sleeve body is a conical cylinder formed by spiral strip-shaped sheets, a sleeving opening is formed in the tail end of the conical cylinder, an opening which can only pass through the intervention lead wire is formed in the head end of the conical cylinder, the adjacent strip-shaped sheets are connected through a tearable contact, the strip-shaped sheet at the tail end of the sleeve body is connected with the drawing lead wire, and the hand pull ring is arranged at the tail end of the drawing lead wire; the inner wall and the outer wall of the sleeve body are both attached with hydrophilic anti-skidding coatings.
The protective sleeve is made of an ultrathin material with good elasticity and flexibility, and is sleeved on the stent or the balloon, so that the problem that the stent or the balloon cannot smoothly pass through a diseased blood vessel is solved, the operation time can be effectively shortened, the operation efficiency is improved, and the operation cost is reduced; the sleeve body is composed of strip-shaped pieces connected through tearable contacts, the contact points of the sleeve body can be broken by pulling the hand pull ring to form a strip shape, and the inner wall and the outer wall of the sleeve body are both attached with hydrophilic ultra-smooth coatings which are very easy to draw out.
Preferably, the hydrophilic super-smooth coating is formed by thermal crosslinking of PEG or PVP. The hydrophilic lubricating characteristics of PEG and PVP are utilized to prepare the hydrophilic super-smooth coating so as to facilitate the extraction and the entry of the protective sleeve.
Preferably, the tail end of the stent or the balloon is connected with a delivery rod, and the stent or the balloon connected with the delivery rod is delivered into the blood vessel by a guide catheter.
Preferably, the interventional guide wire is inserted into the stent or the balloon, one end of the interventional guide wire penetrates out of the stent or the balloon and extends into the blood vessel, and the other end of the interventional guide wire extends out of the outer side of the guide catheter.
Preferably, the pull wire is threaded into the guide tube and the length of the pull wire is greater than the length of the guide catheter. The length of the drawing wire guide wire is larger than that of the guide catheter, so that the hand-pulling ring can be conveniently pulled.
Preferably, the sleeve body is only sleeved on the stent or the balloon and tightly wrapped, and the tail end of the sleeve body extends to the delivery rod connected with the stent or the balloon and tightly wrapped. The size of the sleeve body is set to be proper according to the size of the support or the balloon, so that the support or the balloon can smoothly enter, and the coated support or the balloon is loose and is difficult to enter due to the overlarge protective sleeve; the sheath body is too small to allow the stent or the balloon to be completely covered, which affects the entering of the stent or the balloon.
Preferably, the strip-shaped sheet forming the sleeve body is integrally formed. The strip-shaped sheets forming the sleeve body are arranged into a whole, so that the sleeve body can be completely and smoothly drawn out after being broken.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a diagram illustrating a state of use of the present invention.
Fig. 3 is a diagram illustrating another use state of the present invention.
Fig. 4 is a schematic view of the installation structure of the protective sleeve and the bracket of the invention.
Fig. 5 is a diagram illustrating a usage state of the present invention.
Wherein, in the figure,
1-a sleeve body; 11-strip-shaped pieces; 12-a sleeving opening; 13-opening the hole; 2-drawing and threading; 3-hand ring; 4-a scaffold; 5-an interventional guide wire; 6-a conveying rod; 7-a guide catheter; 8-diseased vessel.
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.
The embodiment of the invention discloses a protective sleeve for intervention, which can enable a bracket or a ball to smoothly pass through a diseased part in an intervention operation, effectively shorten the operation time, improve the operation efficiency and reduce the operation cost.
Referring to the attached drawings 1-5, the invention provides a protective sleeve for intervention, which comprises a sleeve body 1, a drawing lead wire 2 and a hand pull ring 3, wherein the sleeve body 1 is sleeved on a bracket 4 or a balloon, the sleeve body 1 is a conical cylinder formed by spiral strip-shaped sheets 11, the tail end of the conical cylinder is provided with a sleeve opening 12, the head end is provided with an opening 13 only capable of passing through an intervention guide wire 5, the adjacent strip-shaped sheets 11 are connected through a tearable contact, the strip-shaped sheets 11 at the tail end of the sleeve body 1 are connected with the drawing lead wire 2, and the tail end of the drawing lead wire 2 is provided with the hand pull ring; the inner wall and the outer wall of the sleeve body 1 are both provided with hydrophilic anti-slip coatings.
In order to further optimize the technical scheme, the hydrophilic super-smooth coating is formed by PEG or PVP in a thermal crosslinking mode. The hydrophilic lubricating characteristics of PEG and PVP are utilized to manufacture the PEG and PVP into a hydrophilic super-smooth coating so as to facilitate the extraction and the entry of the sleeve body 1.
In order to further optimize the technical scheme, the tail end of the stent 4 or the balloon is connected with a conveying rod 6, and the stent 4 or the balloon connected with the conveying rod 6 is sent into the blood vessel by a guide catheter 7.
In order to further optimize the technical scheme, the interventional guide wire 5 is inserted into the stent 4 or the saccule, one end of the interventional guide wire penetrates out of the stent 4 or the saccule and extends into the blood vessel, and the other end of the interventional guide wire extends out of the guide catheter 7.
In order to further optimize the above technical solution, the pulling wire 2 is inserted into the guiding catheter 7, and the length of the pulling wire 2 is greater than the length of the guiding catheter 7. The length of the drawing wire 2 is larger than that of the guide catheter 7, so that the hand pull ring 3 can be conveniently pulled.
In order to further optimize the technical scheme, the size of the sleeve body 1 is only capable of being sleeved on the stent 4 or the saccule and tightly wrapping, and the tail end of the sleeve body extends to the conveying rod 6 connected with the stent, 4 or the saccule and tightly wraps. The size of the sleeve body 1 is set to be proper according to the size of the stent 4 or the balloon, so that the stent 4 or the balloon can enter smoothly, and the coated stent 4 or the balloon is loose and is not easy to enter due to the overlarge sleeve body 1; the sheath 1 is too small to allow the stent 4 or balloon to be completely covered, which can interfere with the entry of the stent 4 or balloon.
In order to further optimize the above technical solution, the strip-shaped piece 11 constituting the glove body 1 is integrally formed. The strip-shaped sheets 11 forming the sleeve body 1 are arranged into a whole, so that the sleeve body 1 can be completely and smoothly drawn out after being broken.
The protective sleeve is made of ultrathin flexible materials, has elasticity, can tightly wrap the support 4 or the spherical bag and is sleeved on the support 4 or the balloon, so that the problem that the support 4 or the balloon cannot smoothly pass through the diseased blood vessel 8 is solved, the operation time can be effectively shortened, the operation efficiency is improved, and the operation cost is reduced; the sleeve body 1 is composed of strip-shaped sheets 11 connected through tearable contacts, the contact points of the sleeve body 1 can be broken by pulling the hand pull ring 3 to be strip-shaped, and hydrophilic ultra-smooth coatings are attached to the inner wall and the outer wall of the sleeve body, so that the sleeve body is very easy to pull out.
The working principle of the invention is as follows:
firstly, completely sleeving a sleeve body 1 on a stent 4 or a balloon after hydration, extending the sleeve body to a small part of a conveying rod 6, placing a catheter sheath after puncture, placing a guide catheter 7 along the catheter sheath, overlapping the guide catheter 7 on a blood vessel opening, and establishing a stent channel; then an interventional guide wire 5 is placed through a guide catheter 7 to pass through a diseased blood vessel 8 part, a protective sleeve wrapping a stent 4 or a saccule (with a conveying rod 6) is conveyed to the diseased blood vessel 8 part along the interventional guide wire 5 and released, the protective sleeve is easy to pass through the diseased blood vessel 8 part due to the smooth and complete surface, the conveying rod 6 is fixed after passing through the diseased blood vessel 8 part, the hand pull ring 3 is pulled reversely to break the contact point of the sleeve body 1, the process of changing from the attached drawing 1 to the attached drawing 2 to the attached drawing 3 is shown, and the guide catheter 7 is easy to withdraw due to the fact that the inner wall and the outer wall of the guide catheter are both attached with hydrophilic ultra-smooth coatings, and then corresponding interventional treatment.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. A protective sleeve for intervention is characterized by comprising a sleeve body, a drawing lead wire and a hand pull ring, wherein the sleeve body is sleeved on a support or a balloon, the sleeve body is a conical cylinder formed by spiral strip-shaped sheets, the tail end of the conical cylinder is provided with a sleeve opening, the head end of the conical cylinder is provided with an opening only capable of being penetrated by the intervention lead wire, the adjacent strip-shaped sheets are connected through a tearable contact, the strip-shaped sheet at the tail end of the sleeve body is connected with the drawing lead wire, and the tail end of the drawing lead wire is provided with the hand pull ring; the inner wall and the outer wall of the sleeve body are both attached with hydrophilic anti-skidding coatings.
2. An interventional shield according to claim 1, wherein the hydrophilic ultra-lubricious coating is PEG or PVP formed by thermal crosslinking.
3. Protective sheath according to claim 1, wherein a delivery rod is attached to the end of said stent or said balloon, and wherein said stent or said balloon attached to said delivery rod is delivered into the blood vessel by means of a guiding catheter.
4. A protective sheath according to claim 3 wherein said interventional guidewire is inserted through said stent or balloon with one end extending out of said stent or balloon and into the blood vessel and the other end extending outside of said guide catheter.
5. An interventional protective sheath according to claim 3 or 4, wherein the pull wire is threaded within the guide catheter and the length of the pull wire is greater than the length of the guide catheter.
6. An interventional protective sheath according to claim 3 or claim 4, wherein the sheath body is sized to fit over and tightly cover only the stent or the balloon, and has a trailing end extending to and tightly covering the delivery shaft to which the stent or the balloon is attached.
7. A protective sheath according to claim 1, wherein said strip of material forming said sheath is integrally formed.
CN201810644327.0A 2018-06-21 2018-06-21 Protective sleeve for intervention Active CN110623779B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810644327.0A CN110623779B (en) 2018-06-21 2018-06-21 Protective sleeve for intervention

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810644327.0A CN110623779B (en) 2018-06-21 2018-06-21 Protective sleeve for intervention

Publications (2)

Publication Number Publication Date
CN110623779A true CN110623779A (en) 2019-12-31
CN110623779B CN110623779B (en) 2023-07-25

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Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09108356A (en) * 1995-10-24 1997-04-28 Buaayu:Kk Balloon catheter
CN1283437A (en) * 2000-07-19 2001-02-14 中国人民解放军第二军医大学 Implanting device of duct/cavity dilating rack
US20020077693A1 (en) * 2000-12-19 2002-06-20 Barclay Bruce J. Covered, coiled drug delivery stent and method
US20070225799A1 (en) * 2006-03-24 2007-09-27 Medtronic Vascular, Inc. Stent, intraluminal stent delivery system, and method of treating a vascular condition
US20070260302A1 (en) * 2003-10-15 2007-11-08 Kabushikikaisha Igaki Iryo Sekkei Device for delivery of stent for vessel
US20100256735A1 (en) * 2009-04-03 2010-10-07 Board Of Regents, The University Of Texas System Intraluminal stent with seam
US20120277843A1 (en) * 2011-04-29 2012-11-01 Boston Scientific Scimed, Inc. Protective surfaces for drug-coated medical devices
US20140066898A1 (en) * 2012-09-05 2014-03-06 W. L. Gore & Associates, Inc. Retractable sheath devices, systems, and methods
US20160058983A1 (en) * 2013-05-03 2016-03-03 C.R. Bard, Inc. Peelable Protective Sheath
CN205126342U (en) * 2015-11-06 2016-04-06 深圳迈德科技有限公司 Thrombus suction device
CN105877736A (en) * 2014-12-02 2016-08-24 连新龙 Wireless electrocardiosignal receiving device
CN106551737A (en) * 2016-11-09 2017-04-05 恩脉（上海）医疗科技有限公司 A kind of load medicine equipment protection cover that can disintegrate in vivo
CN106551738A (en) * 2016-11-09 2017-04-05 恩脉（上海）医疗科技有限公司 Protective case in a kind of tearable body for carrying medicine apparatus
CN107518967A (en) * 2016-06-21 2017-12-29 谷涌泉 A kind of Tectorial stent transporter

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09108356A (en) * 1995-10-24 1997-04-28 Buaayu:Kk Balloon catheter
CN1283437A (en) * 2000-07-19 2001-02-14 中国人民解放军第二军医大学 Implanting device of duct/cavity dilating rack
US20020077693A1 (en) * 2000-12-19 2002-06-20 Barclay Bruce J. Covered, coiled drug delivery stent and method
US20070260302A1 (en) * 2003-10-15 2007-11-08 Kabushikikaisha Igaki Iryo Sekkei Device for delivery of stent for vessel
US20070225799A1 (en) * 2006-03-24 2007-09-27 Medtronic Vascular, Inc. Stent, intraluminal stent delivery system, and method of treating a vascular condition
US20100256735A1 (en) * 2009-04-03 2010-10-07 Board Of Regents, The University Of Texas System Intraluminal stent with seam
US20120277843A1 (en) * 2011-04-29 2012-11-01 Boston Scientific Scimed, Inc. Protective surfaces for drug-coated medical devices
US20140066898A1 (en) * 2012-09-05 2014-03-06 W. L. Gore & Associates, Inc. Retractable sheath devices, systems, and methods
US20160058983A1 (en) * 2013-05-03 2016-03-03 C.R. Bard, Inc. Peelable Protective Sheath
CN105877736A (en) * 2014-12-02 2016-08-24 连新龙 Wireless electrocardiosignal receiving device
CN205126342U (en) * 2015-11-06 2016-04-06 深圳迈德科技有限公司 Thrombus suction device
CN107518967A (en) * 2016-06-21 2017-12-29 谷涌泉 A kind of Tectorial stent transporter
CN106551737A (en) * 2016-11-09 2017-04-05 恩脉（上海）医疗科技有限公司 A kind of load medicine equipment protection cover that can disintegrate in vivo
CN106551738A (en) * 2016-11-09 2017-04-05 恩脉（上海）医疗科技有限公司 Protective case in a kind of tearable body for carrying medicine apparatus

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