CN106473850B - Complexity esophageal stricture particle stenter to implant device - Google Patents
Complexity esophageal stricture particle stenter to implant device Download PDFInfo
- Publication number
- CN106473850B CN106473850B CN201610943759.2A CN201610943759A CN106473850B CN 106473850 B CN106473850 B CN 106473850B CN 201610943759 A CN201610943759 A CN 201610943759A CN 106473850 B CN106473850 B CN 106473850B
- Authority
- CN
- China
- Prior art keywords
- esophageal
- inner sleeve
- esophageal stent
- stent
- outer 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.)
- Expired - Fee Related
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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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/962—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
- A61F2/966—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
-
- 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
- A61F2/9517—Instruments specially adapted for placement or removal of stents or stent-grafts handle assemblies therefor
-
- 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
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2210/0014—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol
-
- 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
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2210/0014—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol
- A61F2210/0023—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol operated at different temperatures whilst inside or touching the human body, heated or cooled by external energy source or cold supply
- A61F2210/0028—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol operated at different temperatures whilst inside or touching the human body, heated or cooled by external energy source or cold supply cooled
Abstract
The invention discloses a kind of complexity esophageal stricture particle stenter to implant device, including outer tube, inner sleeve and Esophageal Stent, the quantity of inner sleeve is 25, and mutually it is socketed between inner sleeve, inner sleeve is plugged in Esophageal Stent, and buckle is fixedly connected with by rubber band in the groove of the end surface of inner sleeve, is buckled and is arranged on the snap ring clamping of Esophageal Stent inner wall, one end of outer tube and inner sleeve has been fixedly connected with handle, and the surface of Esophageal Stent is provided with outer wall overlay film.The complexity esophageal stricture particle stenter to implant device, by being connected with Esophageal Stent respectively on multilayer inner sleeve, and Esophageal Stent is implanted into respectively at the esophageal stricture of many places, reach once to perform the operation and many places esophageal stricture is carried out to the effect of stenter to implant, avoid and be repeatedly implanted as patient and bring pain, and by being implanted into multiple Esophageal Stents, the phenomenon that normal oesophageal is covered using a long stent is avoided, is greatly reduced the foreign body sensation of patient.
Description
Technical field
The present invention relates to the field of medical instrument technology, is specially a kind of complexity esophageal stricture particle stenter to implant device.
Background technology
, can be due to the squeezing action of tumour when cancer of the esophagus occurs for human body so that the esophagus closure obstruction of human body, so as to go out
The clinical symptoms such as existing eating difficulties, in order to extend the life of patient, existing medical technology is by being implanted into particle stent, passing through
Radioactive particle is continual to kill sick cell, and by sending stent to obstruction, makes esophagectasia by force；So
And since the degree of the state of an illness is different, also there is the narrow situation in esophagus many places to occur, medically referred to as complexity esophageal stricture, it is right
In such case, common processing method is to be covered the narrow whole in many places with a root long Esophageal Stent, or by being repeatedly implanted into
Many places esophageal stricture is covered each by by stent, then since Esophageal Stent belongs to extraneous implantation, is not belonging to human body after all in itself, institute
Although all being covered stenosis with being completely covered with a root long Esophageal Stent, while also normal oesophageal is also covered, given
Human body brings more foreign body sensations, and carries out repeatedly implantation and be covered each by, although foreign body sensation can be reduced, repeatedly implantation also can
The pain of bigger is brought for patient, while it is also bigger to be implanted into the more clinical risks of number.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of complexity esophageal stricture particle stenter to implant device, solution
Having determined, repeatedly implantation stent brings the pain of bigger to patient to the narrow needs in oesophagus many places, or one root long stent of implantation to patient with
The problem of carrying out the foreign body sensation of bigger.
To achieve the above object, the present invention provides following technical solution：A kind of complexity esophageal stricture particle stenter to implant
Device, including outer tube, inner sleeve and Esophageal Stent, the quantity of the inner sleeve is 2-5, and is mutually covered between inner sleeve
Connect, the inner sleeve is plugged in Esophageal Stent, is fixedly connected in the groove of the end surface of the inner sleeve by rubber band
There is buckle, the buckle is clamped with being arranged on the snap ring of Esophageal Stent inner wall, and one end of the outer tube and inner sleeve is fixed
Handle is connected with, the surface of the Esophageal Stent is provided with outer wall overlay film.
It is as follows that complexity esophageal stricture particle stenter to implant device places operating procedure：
Esophageal Stent is put into refrigerating cabinet and is freezed, Esophageal Stent is cooled to less than 4 degrees Celsius, by 2-5 food
Pipe holder is socketed in the surface of 2-5 inner sleeve respectively, and snap ring and grab are clamped, and Esophageal Stent compression is made its deformation,
Attenuate so that Esophageal Stent is shunk, inner sleeve is inserted in spare in outer tube.
During operation, patient first is inserted into by outer tube under the monitoring of X-ray machine to patient's pathological tissues radiography using contrast machine
At the esophageal stricture of least significant end, then outer tube is moved to pumpback, makes first Esophageal Stent exposed, loses outer tube to esophagus
The supporting role of wall, esophagus retraction, Esophageal Stent is wrapped up, Esophageal Stent is heated by body temperature, so as to arouse
The shape memory of Esophageal Stent, reply quickly is original-pack, and esophagus is strutted, since the snap ring on Esophageal Stent and buckle are clamped,
Prevent Esophageal Stent from departing from during diastole, slip into patient's esophagus, do not enter into the position of anticipation, and with oesophagus
The expansion rubber band of stent is stretched, and Esophageal Stent is tightly clamped after strutting completely between esophagus, and inner sleeve is pushed away into esophagus
1-2 centimetres is sent, departs from buckle and snap ring, then to outer twitch inner sleeve, makes the inside of the next inner sleeve of inner sleeve retraction,
Make Esophageal Stent stay at esophageal stricture to strut esophagus, and send remaining Esophageal Stent to esophageal stricture successively in same method
Place, so that particle stenter to implant is completed.
Preferably, the Esophageal Stent is the tubular structure that nickel-titanium memory wire is compiled into, and nickel-titanium memory metal is tangible
Shape memory function has excellent elasticity, can arbitrarily be reduced below 4 degrees Celsius deformation and it is nonelastic, when temperature be more than 30 degrees Celsius
When can arouse its memory to shape, so as to recover tubular structure.
Preferably, the tube wall of the inner sleeve is 0.5 millimeter, and the inner sleeve of each internal layer is than inner sleeve that outer layer is socketed
The diameter of pipe is 1 millimeter small, length grows 15 centimetres.
Preferably, the inner wall of the outer tube is provided with thermal insulation layer made of glass fibre.
Preferably, the outer wall overlay film is individual layer silicon rubber.
The present invention provides a kind of complexity esophageal stricture particle stenter to implant device.Possesses following beneficial effect：
The complexity esophageal stricture particle stenter to implant device, by setting multilayer inner sleeve, and on multilayer inner sleeve
Esophageal Stent is connected with respectively, and after outer tube is goed deep into esophagus, multilayer inner sleeve is sent at esophageal stricture, and in many places esophagus
Stenosis is implanted into Esophageal Stent respectively, has reached and has once performed the operation the effect of many places esophageal stricture progress stenter to implant, has avoided
Repeatedly being implanted as patient brings pain, and by being implanted into multiple Esophageal Stents, avoids and covered just using a long stent
The phenomenon in road is often eaten, is greatly reduced the foreign body sensation of patient.
Brief description of the drawings
Fig. 1 is the cross-sectional view of front view of the present invention；
Fig. 2 is the local cross-sectional view of the present invention.
In figure：1 outer tube, 2 inner sleeves, 3 Esophageal Stents, 4 rubber bands, 5 buckles, 6 snap rings, 7 handles, 8 outer wall overlay films.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
As shown in Figs. 1-2, the present invention provides a kind of technical solution：A kind of complexity esophageal stricture particle stenter to implant dress
Put, including outer tube 1, inner sleeve 2 and Esophageal Stent 3, the inner wall of outer tube 1 are provided with thermal insulation layer made of glass fibre, lead to
Setting thermal insulation layer is crossed, prevents that the Esophageal Stent 3 in outer tube 1 from being influenced be subject to temperature, is expanded in the state of not extending out, is eaten
Pipe holder 3 is the tubular structure that nickel-titanium memory wire is compiled into, and nickel-titanium memory metal has shape memory function to have excellent bullet
Property, can arbitrarily be reduced below 4 degrees Celsius deformation and it is nonelastic, when temperature be more than 30 degrees Celsius when can arouse its note to shape
Recall, so as to recover tubular structure, the quantity of inner sleeve 2 is 2-5, and is mutually socketed between inner sleeve 2, the tube wall of inner sleeve 2
For 0.5 millimeter, and the inner sleeve 2 of each internal layer is 1 millimeter smaller than the diameter for the inner sleeve 2 that outer layer is socketed, length is 15 centimetres long,
The inner sleeve 2 of internal layer is twitched in outer layer inner sleeve 2, reaches flexible effect, inner sleeve 2 is plugged on oesophagus
In stent 3, buckle 5 is fixedly connected with by rubber band 4 in the groove of the end surface of inner sleeve 2, buckle 5 is with being arranged on oesophagus
The snap ring 6 of 3 inner wall of stent is clamped, and one end of outer tube 1 and inner sleeve 2 has been fixedly connected with handle 7, the surface of Esophageal Stent 3
Be provided with outer wall overlay film 8, outer wall overlay film 8 is individual layer silicon rubber, and silicon rubber has antiacid erosion-resisting effect, effectively prevent by
Gastric juice corrodes, and is effectively protected esophagus inner wall.
It is as follows that complexity esophageal stricture particle stenter to implant device places operating procedure：
Esophageal Stent 3 is put into refrigerating cabinet and is freezed, Esophageal Stent 3 is cooled to less than 4 degrees Celsius, by 2-5
Esophageal Stent 3 is socketed in the surface of 2-5 inner sleeve 2 respectively, and snap ring 6 and grab 5 are clamped, and the compression of Esophageal Stent 3 is made
It is deformed so that Esophageal Stent 3, which is shunk, to attenuate, and inner sleeve 2 is inserted in spare in outer tube 1.
During operation, disease first is inserted into by outer tube 1 under the monitoring of X-ray machine to patient's pathological tissues radiography using contrast machine
At the esophageal stricture of people's least significant end, then outer tube 1 is moved to pumpback, makes first Esophageal Stent 3 exposed, loses outer tube 1
Supporting role to esophageal wall, esophagus retraction, Esophageal Stent 3 is wrapped up, Esophageal Stent 3 is heated by body temperature,
So as to arouse the shape memory of Esophageal Stent 3, reply quickly is original-pack, and esophagus is strutted, due to the snap ring 6 on Esophageal Stent 3
With the clamping of buckle 5, prevent Esophageal Stent 3 from departing from during diastole, slip into patient's esophagus, do not enter into the position of anticipation,
And it is stretched with the expansion rubber band 4 of Esophageal Stent 3, Esophageal Stent 3 is tightly clamped after strutting completely between esophagus, will
Inner sleeve 2 pushes 1-2 centimetres into esophagus, buckle 5 is departed from snap ring 6, then to outer twitch inner sleeve 2, inner sleeve 2 is contracted
Enter the inside of next inner sleeve 2, Esophageal Stent 3 is stayed at esophageal stricture and strut esophagus, and will be remaining in same method
Esophageal Stent 3 is sent to esophageal stricture successively, so that particle stenter to implant is completed.
It can to sum up obtain, the complexity esophageal stricture particle stenter to implant device, by setting multilayer inner sleeve 2, and in more
Esophageal Stent 3 is connected with respectively on layer inner sleeve 2, and after outer tube 1 is goed deep into esophagus, multilayer inner sleeve 2 is sent into esophageal stricture
Place, and it is implanted into Esophageal Stent 3 respectively at the esophageal stricture of many places, reach and once performed the operation the progress stent plant of many places esophageal stricture
The effect entered, avoids and is repeatedly implanted as patient and brings pain, and by being implanted into multiple Esophageal Stents 3, avoids using one
A long stent covers the phenomenon of normal oesophageal, is greatly reduced the foreign body sensation of patient.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of changes, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (1)
1. a kind of complexity esophageal stricture particle stenter to implant device, including outer tube（1）, inner sleeve（2）And Esophageal Stent
（3）, it is characterised in that：The inner sleeve（2）Quantity be 2-5, and inner sleeve（2）Between be mutually socketed, the inner sleeve
（2）It is plugged on Esophageal Stent（3）It is interior, the inner sleeve（2）End surface groove in pass through rubber band（4）It is fixedly connected with
Buckle（5）, the buckle（5）With being arranged on Esophageal Stent（3）The snap ring of inner wall（6）Clamping, the outer tube（1）And inner sleeve
（2）One end be fixedly connected with handle（7）, the Esophageal Stent（3）Surface be provided with outer wall overlay film（8）；Complexity is eaten
It is as follows that the narrow particle stenter to implant device in road places operating procedure：By Esophageal Stent（3）It is put into refrigerating cabinet and freezes, will eats
Pipe holder（3）Less than 4 degrees Celsius are cooled to, by 2-5 Esophageal Stent（3）2-5 inner sleeve is socketed in respectively（2）Surface,
By snap ring（6）With grab（5）Clamping, and by Esophageal Stent（3）Compression makes its deformation so that Esophageal Stent（3）Contraction attenuates, will
Inner sleeve（2）It is inserted in outer tube（1）It is interior spare；During operation, first using contrast machine to patient's pathological tissues radiography, in X-ray machine
By outer tube under monitoring（1）It is inserted at the esophageal stricture of patient's least significant end, then by outer tube（1）Moved to pumpback, make first
Esophageal Stent（3）It is exposed, lose outer tube（1）Supporting role to esophageal wall, esophagus retraction, by Esophageal Stent（3）Parcel, leads to
Body temperature is crossed to Esophageal Stent（3）Heated, so as to arouse Esophageal Stent（3）Shape memory, reply quickly is original-pack,
Esophagus is strutted, due to Esophageal Stent（3）On snap ring（6）With buckle（5）Clamping, prevents Esophageal Stent（3）In diastole process
Middle disengaging, is slipped into patient's esophagus, does not enter into the position of anticipation, and with Esophageal Stent（3）Expansion rubber band（4）
It is stretched, Esophageal Stent（3）Tightly it is clamped between esophagus after strutting completely, by inner sleeve（2）1-2 centimetres is pushed into esophagus,
Make buckle（5）With snap ring（6）Depart from, then to outer twitch inner sleeve（2）, make inner sleeve（2）The next inner sleeve of retraction（2）'s
Inside, makes Esophageal Stent（3）Stay at esophageal stricture and strut esophagus, and in same method by remaining Esophageal Stent（3）Successively
Send to esophageal stricture, so that particle stenter to implant is completed；The Esophageal Stent（3）It is compiled into for nickel-titanium memory wire
Tubular structure, nickel-titanium memory metal have shape memory function to have excellent elasticity, can arbitrarily be reduced below 4 degrees Celsius deformation and
It is nonelastic, its memory to shape can be aroused when temperature is more than 30 degrees Celsius, so as to recover tubular structure；The inner sleeve
（2）Tube wall be 0.5 millimeter, and the inner sleeve of each internal layer（2）Than the inner sleeve of outer layer socket（2）Diameter it is 1 millimeter small,
Length grows 15 centimetres；The outer tube（1）Inner wall be provided with thermal insulation layer made of glass fibre；The outer wall overlay film（8）For
Individual layer silicon rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610943759.2A CN106473850B (en) | 2016-11-02 | 2016-11-02 | Complexity esophageal stricture particle stenter to implant device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610943759.2A CN106473850B (en) | 2016-11-02 | 2016-11-02 | Complexity esophageal stricture particle stenter to implant device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106473850A CN106473850A (en) | 2017-03-08 |
| CN106473850B true CN106473850B (en) | 2018-05-01 |
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ID=58272988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610943759.2A Expired - Fee Related CN106473850B (en) | 2016-11-02 | 2016-11-02 | Complexity esophageal stricture particle stenter to implant device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106473850B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107212954A (en) * | 2017-07-18 | 2017-09-29 | 高勇 | Esophageal Stent component and foreign body in esophagus auxiliary extractor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938959A (en) * | 2007-11-28 | 2011-01-05 | 威尔逊-库克医学公司 | Double loaded stent delivery system |
| CN102917669A (en) * | 2010-06-02 | 2013-02-06 | 美敦力公司 | Transcatheter delivery system and method with controlled expansion and contraction of prosthetic heart vavle |
| CN103750929A (en) * | 2014-01-10 | 2014-04-30 | 曹莹莹 | Nickel-titanium memory alloy esophageal stent placing and recycling device used in X-ray perspective |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050288766A1 (en) * | 2004-06-28 | 2005-12-29 | Xtent, Inc. | Devices and methods for controlling expandable prostheses during deployment |
| US8486132B2 (en) * | 2007-03-22 | 2013-07-16 | J.W. Medical Systems Ltd. | Devices and methods for controlling expandable prostheses during deployment |
-
2016
- 2016-11-02 CN CN201610943759.2A patent/CN106473850B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938959A (en) * | 2007-11-28 | 2011-01-05 | 威尔逊-库克医学公司 | Double loaded stent delivery system |
| CN102917669A (en) * | 2010-06-02 | 2013-02-06 | 美敦力公司 | Transcatheter delivery system and method with controlled expansion and contraction of prosthetic heart vavle |
| CN103750929A (en) * | 2014-01-10 | 2014-04-30 | 曹莹莹 | Nickel-titanium memory alloy esophageal stent placing and recycling device used in X-ray perspective |
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| Publication number | Publication date |
|---|---|
| CN106473850A (en) | 2017-03-08 |
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Granted publication date: 20180501 Termination date: 20191102 |