CN107374792A - A kind of integral type layered-scaffold implanting device - Google Patents
A kind of integral type layered-scaffold implanting device Download PDFInfo
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- CN107374792A CN107374792A CN201710601970.0A CN201710601970A CN107374792A CN 107374792 A CN107374792 A CN 107374792A CN 201710601970 A CN201710601970 A CN 201710601970A CN 107374792 A CN107374792 A CN 107374792A
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- Prior art keywords
- middle pipe
- joystick
- outer tube
- inner tube
- scaffold
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Classifications
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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
- A61F2/95—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
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
- A61N5/1007—Arrangements or means for the introduction of sources into the body
-
- 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
- A61F2240/00—Manufacturing or designing of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2240/001—Designing or manufacturing processes
-
- 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
- A61F2250/0096—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers
- A61F2250/0098—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers radio-opaque, e.g. radio-opaque markers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
- A61N2005/1019—Sources therefor
- A61N2005/1024—Seeds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1092—Details
Abstract
The invention provides a kind of integral type layered-scaffold implanting device, including the inner tube, the tube and the outer tube set gradually from inside to outside, the outer tube is the structure for accommodating two or more order line timber successively；The middle pipe is used to abut the order line timber successively；Inner tube near-end connects inner tube joystick, middle pipe near-end connection middle pipe joystick, and said inner tube is distally connected to soft head, and the proximal outer tube connects outer tube joystick；Including inner tube under the control of pipe joystick, moved forward and backward in middle pipe；Outer tube under the control of pipe joystick, moves forward and backward outside middle pipe outside；Outer tube joystick is dropped back so that order line timber order discharges two or more successively.Two supports are accommodated in the outer tube, after first support release, inner tube joystick control inner tube is proximally dropped back.Middle pipe distal end outer ring is provided with push ring and support positioning block.The middle pipe of the outer tube joystick near-end is provided with positioning lock.
Description
Technical field
The present invention relates to area of medical devices, particularly a kind of integral type layered-scaffold implanting device.
Background technology
It is well known that the traditional treatment method of cholangiocarcinoma is surgical operation, but only 20% tumour may surgery excision,
For can not the person of excision, biliary enteric anastomosis or biliary tract T pipe external drainage art palliative treatments may be selected, although this treatment can be effective
Release obstruction, improve clinical symptoms, but there is also some problems, as operating difficulty is big, early complication is more, postoperative infection of biliary tract
Deng, therefore palliative operation method curative effect is bad, wound is big, and life quality is low, and cholangiocarcinoma is the problem of surgical intervention all the time
One of.
Invent within 1979 and placed biliary tract plastic stent treatment biliary duct stricture through duodenofiberscope using scope and obtain
Success, turn into a kind of preferable palliative therapy method of effect for alleviating cholangiocarcinoma, have small wound, few intercurrent disease, curative effect true
The advantages that cutting, the jaundice of patient can be released, improve overall health of patients, but the general validity period of plastic stent is 3 months, more than 6 months
Most of support can block afterwards, need to take out Stent Implantation again.Plastic stent inserts the concurrent of biliary drainage art under scope
Disease mainly has pancreatitis, antidromicity infection of biliary tract and stent migration or obstruction.
With the development of scope and interventional radiology, cholangiocarcinoma is treated using minimally invasive ERCP or PTCD methods, becomes outer and draws
Flow for interior drainage, it is simple to operate, more preferable therapeutic effect is achieved, China also gradually carries out in last century the nineties.Metal
Support biliary drainage art wound is small, and the implantable larger-diameter support of the thinner conduit of use, early complication is few, operative mortality rate
It is low, original diameter can be diffused into after the narrow biliary tract of Metal stent placement certainly, lasting expansionary force is produced to narrow tube wall, keeps branch
The stability of frame.
Use of metal stents in treatment is the narrow better method of current treatment cholangiocarcinoma, but with the application of new technology, current
The application of biliary tract rack has had some limitations, for example existing metallic support can only be used as palliative treatment, to cholangiocarcinoma
Late result allows of no optimist always.So if targetedly local radiotherapy can be carried out while stent-expansion, can subtract
The toxic side effect of low body irradiation, and can have more preferable effect to treatment, the current biliary tract radiation treatment branch that can carry radion
Frame can reach good effect, and the side face has novelty simple in construction, minimally invasive behaviour with radion filling capsule, the invention
Make, risk is low, patient is painful small, good effect, the advantages of few intercurrent disease.
But the invention has one disadvantage in that, due to the limitation for cavity diameter of performing the operation, the wire of the support of the invention can not be set
That counts is too close, causes support force smaller, and the support is placed on after lesion locations, it is necessary to discharge a routine in this support again
Biliary metallic stents, the support is placed exactly in the centre of radiotherapy particle support, bile duct is also strutted while strutting radiation treatment stent
Narrow positions, and fixed radiation treatment stent avoids it from being shifted over, and two current supports, needs to discharge twice in operation, needs
Want two stenter to implant devices, cost is of a relatively high.
The content of the invention
Goal of the invention：The technical problems to be solved by the invention are in view of the shortcomings of the prior art, there is provided a kind of integral type
Layered-scaffold implanting device.
In order to solve the above-mentioned technical problem, the present invention provides a kind of integral type layered-scaffold implanting device, it is characterised in that bag
Include the inner tube (6) set gradually from inside to outside, middle pipe (5) and outer tube (3), the outer tube (3) be for accommodate two or more according to
The structure of secondary order line timber；The middle pipe (5) is used to abut the order line timber successively；Inner tube near-end connects inner tube
Joystick (13), middle pipe near-end connection middle pipe joystick (12), said inner tube are distally connected to soft head (1), the outer tube
(3) near-end connection outer tube joystick (8)；It is front and rear in middle pipe (5) including inner tube (6) under the control of pipe joystick (13)
It is mobile；Outer tube (3) under the control of pipe joystick (8), moves forward and backward outside middle pipe (5) outside；After outer tube joystick (8)
Remove so that order line timber order discharges two or more successively.
Two supports that sort successively are accommodated in the outer tube (3), the distal tip of the middle pipe (5), which abuts, is nested in inner tube
(6) first support on, outer tube (3) are dropped back so that after first support release, and inner tube joystick (13) can control inner tube (6)
Proximally drop back, it is convenient to discharge second support.
The outer tube wall of the middle pipe (5) is provided with push ring (2), and push ring (2) is used for abutting and is nested in the of middle pipe (5) outside
Two supports, outer tube (3), which is dropped back, causes second support release.
The outer tube wall of the middle pipe (5) is provided with the support positioning block (4) for being used for positioning second support.
The middle pipe (5) of outer tube joystick (8) near-end is provided with positioning lock.
The positioning lock includes positioning lock button (14), positioning lock housing body (16) and positioning lock spring (15), positions lock housing
Body (16) is enclosed on positioning lock button (14) outside, and the positioning lock spring (15) is located at positioning lock button (14) and positioning lock housing body
(16) between, middle pipe (5) passes through from positioning lock button (14) and positioning lock housing body (16).
The positioning lock includes claw (21) and positioning split nut (20), and claw (21) is arranged in middle pipe (5), positioning lock
Nut (20) is arranged on claw (21) outside, screwed in place split nut (20), drives claw (21) to compress middle pipe (5).
Said inner tube (6) distal end outer wall is provided with sandblasting top layer (25) or small concave point (19).
The outer tube joystick (8) includes threeway, and threeway is provided with a liquid injection port (18).
Female Luer (17) is provided between said inner tube joystick (13) and middle pipe joystick (12).
Beneficial effect：The invention enables outer stent and inner stent to discharge simultaneously, greatly shortens support release hand
The art time, patient is reduced due to the secondary disengaging implanting device pain brought and the probability infected, and save implantation product
Cost, what patient can be really is benefited.
Brief description of the drawings
The present invention is done with reference to the accompanying drawings and detailed description and further illustrated, it is of the invention above-mentioned or
Otherwise advantage will become apparent.
Fig. 1 is embodiment overall structure diagram；
Fig. 2 is that Fig. 1 partial enlarged drawings are the contraction state structure that support is arranged in integral type layered-scaffold implanting device
Schematic diagram；
Fig. 2 a are Fig. 2 partial enlarged drawings；
Fig. 3 is the positioning lock structural representation of first scheme；
Fig. 4 is band shrinkage pool inner tube schematic diagram；
Fig. 5 is surface sand-blasting inner tube schematic diagram；
Fig. 6 is the free state planar structure schematic diagram that particle capsule support is arranged in integral type layered-scaffold implanting device；
Fig. 7 is the free state dimensional structure diagram that particle capsule support is arranged in integral type layered-scaffold implanting device；
Fig. 8 is for the radial cross section of the inner tube in Fig. 4.
Fig. 9 is the structural representation of the positioning lock of alternative plan.
Embodiment
The present invention is elaborated below in conjunction with accompanying drawing.
Embodiment：
Such as Fig. 1-9：A kind of integral type layered-scaffold implanting device that the present embodiment provides, including：1st, soft head, 2, push ring,
3rd, outer tube, 4, support positioning block, 5, middle pipe, 6, inner tube, 7, distal end nut, 8, outer tube joystick, 9, sealing ring, 10, near-end
Nut, the 11, first positioning lock, 12, middle pipe joystick, 13, inner tube joystick, 17, female Luer；
Near-end of the present invention refers to enters one end of human body close to one end of operator, distal end fingering.
Soft first 1 is arranged on the distal end of inner tube 6, and the near-end of inner tube 6 installation inner tube joystick 13, the inner tube joystick 13 is logical
A rotatable female Luer 17 is crossed to be connected with middle pipe joystick 12, it is initial in release, inner tube 6 and middle pipe 5 are fixed on
Together.
Support positioning block 4 is arranged with the distal end certain distance of middle pipe 5, middle pipe joystick 12 is connected with middle pipe 5.
Middle pipe near-end is connected with middle pipe joystick 12, there is female Luer 17, convenient and inner tube 6 on middle pipe joystick 12
It is fixed together.
Outer tube joystick 8 is installed, outer tube joystick 8 includes threeway, and threeway is provided with liquid injection port on the near-end of outer tube 3
18, it is convenient to inject liquid or contrast agent etc., during assembling, inner tube 6 is first penetrated into middle pipe 5, then they are penetrated equipped with threeway together
Outer tube in, then inner tube 6 is Nian Jie with soft first 1.Sealing ring 9 is provided between the threeway and outer tube 3；The threeway is provided with remote
End nut 7 and near-end nut 10.
Said inner tube 6 is preferably metal material, and diameter is small, and rigidity is good, meets medical rank requirement, hollow structure, its hole
Footpath can pass through 0.035 " seal wire.
Such as Fig. 4 and Fig. 5, the distal end of said inner tube 6, since soft first 1 near-end, until inner stent locating piece position, table
Face sets up sandblasting top layer 25 or sets up small shrinkage pool 19, to increase reflective surface area, reaches the purpose of enhancing development, small shrinkage pool 19 is deep
H is no more than interior tube thickness T 1/3 is spent, the small diameter d of shrinkage pool 19 is 0.10mm--0.2mm, and effect is enhancing inner tube under X-ray
Developability.
Such as Fig. 3, the positioning lock is the positioning lock 11 of first scheme, and it includes positioning lock button 14, positioning lock housing body 16
With positioning lock spring 15, positioning lock spring 15 is located between positioning lock button 14 and positioning lock housing body 15, and middle pipe 5 is pressed from positioning lock
Passed through in button 14.
Fig. 9 is the structural representation of the positioning lock of alternative plan.The positioning lock of the alternative plan include claw (21) and
Split nut (20) is positioned, claw (21) is arranged in middle pipe (5), and positioning split nut (20) is arranged on claw (21) outside, and it is fixed to tighten
Position split nut (20), claw (21) is driven to compress middle pipe (5).
The present invention preparation method be：
Soft first 1 is arranged on the distal end of inner tube 6, and the near-end of inner tube 6 installation inner tube joystick 13, the inner tube joystick 13 is logical
A rotatable female Luer 17 is crossed to be connected with middle pipe joystick 12, it is initial in release, inner tube 6 and middle pipe 5 are fixed on
Together；
Support positioning block 4 is first put on the distal end certain distance of middle pipe 5, then middle pipe joystick 12 is installed again；
Threeway is installed, threeway is provided with liquid injection port 18, convenient to inject liquid or contrast agent etc., assembling on the near-end of outer tube 3
When, inner tube 6 is first penetrated into middle pipe 5, then they are penetrated in the outer tube 3 equipped with threeway together, then inner tube 6 is Nian Jie with soft first 1；
According to stent length fixed length, the length of middle pipe 5 is determined, bonding middle pipe joystick 12, is bonded inner tube joystick 13,
Before inner tube joystick 13 is bonded, first by positioning lock assembling in middle pipe 5, implanting device assembling is completed.
Application method is：
The middle pipe joystick 12 of integral type layered-scaffold implanting device is fixed first, outer tube 3 is proximally retreated, in
Pipe exposes, and inner stent 23 is shunk, and near-end is first fixed on support positioning block 4, then slowly pushes outer tube 3 to distal end,
Inner stent 23 is gradually tapered up and is gradually surrounded by outer tube 3, when inner stent 23 is completely into outer tube 3, it is outer to stop push
Pipe 3, at this moment, inner tube 6 is pushed to distal end, it is when being pushed to front end, inner tube 6 is mutual by female Luer 17 with middle pipe 5
It is connected, such inner tube 6 is kept not changing with the relative position of middle pipe 5, then outer stent 24 is collapsed, and is placed on inner tube 6
On, near-end aligns with the distal end of middle pipe 5, then slowly pushes outer tube 3, outer stent 24 is slowly collapsed into outer tube 3, due to
The near-end of outer stent 24 aligns with the distal end of middle pipe 5, and the distal end of middle pipe 5 plays a part of pushing outer stent 24.
The first positioning lock in middle pipe 5 is, it is necessary to which according to the length adjustment position of outer stent 24, the purpose of positioning lock is to protect
First outer stent 24 of card can smoothly discharge, but second support needs to adjust positioning and be locked to second graduation position and can just release
Put.Its principle spring-like sling.
Outer stent 24 and inner stent 23 are separately mounted in inner tube 6 and middle pipe 5, then pack into outer tube 3 together, is discharged
When, by the post-tensioning of outer tube 3, outer stent 24 discharges, then by inner tube 6 also post-tensioning to concordant with outer tube 3, then by the one
Implanting device is pushed in outer stent 24 toward distal end again, and at this moment post-tensioning outer tube, release inner stent 23, the inner stent 23 are incited somebody to action again
Outer stent 24 struts, and such as treatment medicine that outer stent 24 carries above is more bonded diseased region.
The integral implanting device of the present invention can insert interior support arm simultaneously, avoid secondary replacing device for posting, be easy to support
It is placed into the position of needs；Support is inserted conveniently, safety.
The operation principle of the present invention：Outer stent and inner stent are separately mounted in inner tube and middle pipe, it is another to play set
Upper exterior tube, during release, outer tube is dropped back, outer stent discharges, then inner tube is also dropped back to concordant with outer tube, then will branch
Frame implanting device is sent into outer stent toward distal end again, outer tube of at this moment dropping back again, discharges inner stent, and the inner stent is by outer layer branch
Frame struts, and medicine for making to carry on outer stent etc. more presses close to diseased region, obtains preferably treatment therapeutic effect.
In the implantation stent procedures for needing the two mutually nested release of support, the operable space right and wrong in human organ
It is often limited, the continuous release of more supports can not be carried out in the prior art, be because not possessing two stent lengths spatially
Outer tube operates.And inner tube can be dropped back after the release of outer stent 24 in the present invention, after being discharged so as to the outer stent shortened
The overall length of implanting device so that inner stent 23 can normally be placed as outer stent 24.If after not using inner tube
The design removed, inner tube enter lesions position, and after releasing outer stent 24, certain can be caused by relatively difficult or reach by moving forward
The damage of a little human organs, therefore be difficult to discharge inner stent 23 in the inside of outer stent 24.So after the present invention uses
Inner tube 6 is removed, inner tube 6 and middle pipe 5 are located at same port, implanting device integral forward lead, then outer tube 3 of dropping back, in middle pipe 5
Layer support 23 discharges.
Outer stent of the present invention is not limited to particle capsule support, as long as needing the structure of double-layer scaffold to belong to this
In the range of invention.
Embodiment 2：
Embodiment 2 also discloses a kind of application method：
Before the surgery, first take sterilization packaging apart, take out the integral type layered-scaffold implanting device, first outer tube 3 is dropped back
To the graduation position of stenter to implant device middle pipe 5, it can guarantee that the utricule that outer stent 24 is only carried to medicine exposes, without
Outer tube 3 can all be deviate from；
Radion is loaded into utricule, often fills a row, particle capsule is filled to outer tube (3) the inside, after all particles install,
Outer stent 24 is fully enclosed in outer tube 3；
In surgical procedure, by the integral type layered-scaffold implanting device since soft first 1 aperture, edge is retained in patient
The near-end of internal seal wire is penetrated, and the integral implanting device is sent into patient body, is checked under image either with or without reaching focus position
Put, when reaching lesions position, the integral type layered-scaffold implanting device is slowly moved forward, outer stent 24 is located at focus
Centre position, at this moment, keep middle pipe joystick 12 motionless, slowly proximally withdraw outer tube 3, outer stent 24 is in middle pipe 5
Push under, slowly discharged from outer tube 3, after outer tube 3 falls back on positioning lock, represent outer stent 24 all discharge
Come, at this moment stop proximally withdrawing outer tube 3, first keep the integral type layered-scaffold implanting device distal end motionless, then by
The female Luer 17 of the near-end of pipe 6 is unlocked, then inner tube 6 is dropped back, and is dropped back untill inactive, soft first 1 will overlap with outer tube 3, so
Afterwards again by the integral type layered-scaffold implanting device to distally slowly stretching into, at this moment, the integral type layered-scaffold implanting device meeting
Through outer stent 24, when soft first 1 all by outer stent 24 and when have certain distance, described one is no longer moved forward
Body formula layered-scaffold implanting device is to holding middle pipe joystick 12 is motionless, and then another is held by threeway, by outer tube 3 slowly
Recession, until inner stent 23 is released slowly, when inner stent 23 at least also has 1/3 not discharge also, at this moment
, can be mobile to distal end by outer tube 3 if finding that the position that inner stent 23 discharges is not right under image, this can be by inner stent
23 draw in outer tube 3 again, enable the resetting when discharging inner stent 23；When inner stent 23 discharges completely, then will
The integral implanting device is entirely withdrawn from patient body, the inner stent 23 after release, can be strutted outer stent 24 completely, with
The problem of making up 24 support force deficiency of outer stent, makes the medicines such as the radion of outer stent 24 be fitted in focus portion completely
Position, targetedly radiotherapy is carried out to lesions position, mitigates the toxic side effect of entire patient's radiotherapy.
Embodiment 3：
Such as Fig. 9, present embodiment discloses another kind to position lock construction, including positioning split nut 20 and claw 21, claw 21
In middle pipe 5, positioning split nut 20 is arranged on outside claw 21, screwed in place split nut 20, drives claw 21 to compress middle pipe
5。
The invention provides a kind of integral type layered-scaffold implanting device, two supports nested can use, can also size
It is different, used in different lesion locations, that is, need to be implanted into the situation of two supports, implement the technical scheme method and
Approach is a lot, and described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.The available prior art of each part being not known in the present embodiment is realized.
Claims (10)
1. a kind of integral type layered-scaffold implanting device, it is characterised in that including inner tube (6), the middle pipe set gradually from inside to outside
(5) and outer tube (3), the outer tube (3) is the structure for accommodating two or more order line timber successively；The middle pipe (5)
For abutting the order line timber successively；Inner tube near-end connection inner tube joystick (13), management and control in the connection of middle pipe near-end
Handle (12) processed, said inner tube are distally connected to soft head (1), outer tube (3) the near-end connection outer tube joystick (8)；Inner tube
(6) moved forward and backward inside under the control of pipe joystick (13) in middle pipe (5)；Outer tube (3) pipe joystick (8) outside
It is movable outside middle pipe (5) under control；Outer tube joystick (8) is dropped back so that two or more order line timber successively
Order discharges.
A kind of 2. integral type layered-scaffold implanting device according to claim 1, it is characterised in that outer tube (3) content
Receive two supports that sort successively, the distal tip of the middle pipe (5) abuts the first support being nested in inner tube (6), outer tube (3)
After recession causes first support release, inner tube joystick (13) can control inner tube (6) proximally to drop back, convenient release second
Support.
3. a kind of integral type layered-scaffold implanting device according to claim 2, it is characterised in that outside the middle pipe (5)
Tube wall is provided with push ring (2), and push ring (2) is nested in the second support of middle pipe (5) outside for abutting, and outer tube (3), which is dropped back, to be caused
Second support discharges.
4. a kind of integral type layered-scaffold implanting device according to claim 3, it is characterised in that outside the middle pipe (5)
Tube wall is provided with the support positioning block (4) for being used for positioning second support.
A kind of 5. integral type layered-scaffold implanting device according to claim 1, it is characterised in that the outer tube joystick
(8) middle pipe (5) of near-end is provided with positioning lock.
6. a kind of integral type layered-scaffold implanting device according to claim 5, it is characterised in that the positioning lock includes fixed
Position lock button (14), positioning lock housing body (16) and positioning lock spring (15), positioning lock housing body (16) are enclosed on positioning lock button (14)
Outside, the positioning lock spring (15) is located between positioning lock button (14) and positioning lock housing body (16), and middle pipe (5) is pressed from positioning lock
Passed through in button (14) and positioning lock housing body (16).
7. a kind of integral type layered-scaffold implanting device according to claim 5, it is characterised in that the positioning lock includes card
Pawl (21) and positioning split nut (20), claw (21) are arranged in middle pipe (5), and positioning split nut (20) is arranged on claw (21)
Outside, screwed in place split nut (20), claw (21) is driven to compress middle pipe (5).
A kind of 8. integral type layered-scaffold implanting device according to claim 1, it is characterised in that said inner tube (6) distal end
Outer wall is provided with sandblasting top layer (25) or small concave point (19).
A kind of 9. integral type layered-scaffold implanting device according to claim 1, it is characterised in that the outer tube joystick
(8) threeway is included, threeway is provided with a liquid injection port (18).
10. a kind of integral type layered-scaffold implanting device according to claim 1, it is characterised in that said inner tube controls hand
Female Luer (17) is provided between handle (13) and middle pipe joystick (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710601970.0A CN107374792A (en) | 2017-07-21 | 2017-07-21 | A kind of integral type layered-scaffold implanting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710601970.0A CN107374792A (en) | 2017-07-21 | 2017-07-21 | A kind of integral type layered-scaffold implanting device |
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|---|---|
| CN107374792A true CN107374792A (en) | 2017-11-24 |
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|---|---|---|---|
| CN201710601970.0A Pending CN107374792A (en) | 2017-07-21 | 2017-07-21 | A kind of integral type layered-scaffold implanting device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108283510A (en) * | 2017-12-29 | 2018-07-17 | 山东省立医院 | Extrahepatic vascular anastomosis stent and conveying system thereof |
| CN108852575A (en) * | 2018-07-11 | 2018-11-23 | 浙江巴泰医疗科技有限公司 | A kind of more piece application operating system of closed self-expanding unit rack |
| CN109350326A (en) * | 2018-12-06 | 2019-02-19 | 南京法迈特科技发展有限公司 | Double bracket implanted device under visibility status |
| CN109350321A (en) * | 2018-12-06 | 2019-02-19 | 南京法迈特科技发展有限公司 | Stenter to implant device under visibility status |
| CN109350322A (en) * | 2018-12-06 | 2019-02-19 | 南京法迈特科技发展有限公司 | Double bracket implanted device |
| CN109350319A (en) * | 2018-12-06 | 2019-02-19 | 南京法迈特科技发展有限公司 | With the implanted device for loading supporting structure |
| CN111632261A (en) * | 2020-06-11 | 2020-09-08 | 潍坊医学院附属医院 | Implant device for internal radiotherapy |
| CN112842643A (en) * | 2021-02-09 | 2021-05-28 | 上海澳华内镜股份有限公司 | Combined support, conveyor and system |
| CN109350319B (en) * | 2018-12-06 | 2024-05-14 | 南京法迈特科技发展有限公司 | Implant device with packing support structure |
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2017
- 2017-07-21 CN CN201710601970.0A patent/CN107374792A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108283510A (en) * | 2017-12-29 | 2018-07-17 | 山东省立医院 | Extrahepatic vascular anastomosis stent and conveying system thereof |
| CN108852575A (en) * | 2018-07-11 | 2018-11-23 | 浙江巴泰医疗科技有限公司 | A kind of more piece application operating system of closed self-expanding unit rack |
| CN108852575B (en) * | 2018-07-11 | 2023-11-10 | 浙江巴泰医疗科技有限公司 | Multisection application operating system of closed self-expansion unit bracket |
| CN109350326A (en) * | 2018-12-06 | 2019-02-19 | 南京法迈特科技发展有限公司 | Double bracket implanted device under visibility status |
| CN109350321A (en) * | 2018-12-06 | 2019-02-19 | 南京法迈特科技发展有限公司 | Stenter to implant device under visibility status |
| CN109350322A (en) * | 2018-12-06 | 2019-02-19 | 南京法迈特科技发展有限公司 | Double bracket implanted device |
| CN109350319A (en) * | 2018-12-06 | 2019-02-19 | 南京法迈特科技发展有限公司 | With the implanted device for loading supporting structure |
| CN109350322B (en) * | 2018-12-06 | 2024-03-22 | 南京法迈特科技发展有限公司 | Double-bracket implantation device |
| CN109350319B (en) * | 2018-12-06 | 2024-05-14 | 南京法迈特科技发展有限公司 | Implant device with packing support structure |
| CN111632261A (en) * | 2020-06-11 | 2020-09-08 | 潍坊医学院附属医院 | Implant device for internal radiotherapy |
| CN112842643A (en) * | 2021-02-09 | 2021-05-28 | 上海澳华内镜股份有限公司 | Combined support, conveyor and system |
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