CN103610520B - A kind of Cardiac valve prosthesis holder - Google Patents
A kind of Cardiac valve prosthesis holder Download PDFInfo
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- CN103610520B CN103610520B CN201310652679.8A CN201310652679A CN103610520B CN 103610520 B CN103610520 B CN 103610520B CN 201310652679 A CN201310652679 A CN 201310652679A CN 103610520 B CN103610520 B CN 103610520B
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- inner core
- valve prosthesis
- cardiac valve
- conduit
- holder
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Abstract
The invention discloses a kind of Cardiac valve prosthesis holder, including: conduit；First holding part, fixes with conduit；Inner core, slides and wears in the catheter, and one end of described inner core is far-end, and the other end is the near-end extending conduit；Guide cone, is in conduit outside and is connected with the far-end of inner core；Valve fixture, is fixed on inner core and the far-end of neighbouring described inner core, and it is the construction section for placing Cardiac valve prosthesis that described inner core is in the position between guide cone and valve fixture；Stopping means, is set on inner core, positions for the slip between inner core and conduit.The present invention is that radially compressible Cardiac valve prosthesis provides a kind of holder, one-hand operation, facilitates doctor that Cardiac valve prosthesis navigates to implantation position fast and accurately.
Description
Technical field
The invention belongs to medical instruments field, particularly relate to a kind of Cardiac valve prosthesis holder.
Background technology
When patient self cardiac valve (Bicuspid valve, Tricuspid valve, aortic valve or valve of pulmonary trunk) by
Cause variation in congenital or acquired disease, cause valve can not normally opening and closing time, can be to healthy living
Or even life impacts.Cardiac valve replacement (i.e. carries out valve replacement with Cardiac valve prosthesis)
Have become as the operation plan of the treatment valvular heart disease of a kind of routine.
Owing to operating Technical comparing is ripe, success rate of operation is high, the surgical method treatment heart
Dirty valvular heart disease still accounts for significant proportion.
The Cardiac valve prosthesis of the surgical replacement used at present, mostly is the artificial heart that annulus is rigidity
Dirty valve (the artificial heart valve as involved by the Chinese patent literature of Publication No. CN102883684A
Film), such valve supporting holder 600 when application is shown in accompanying drawing 11, is included at instrument proximal
Handle 610, actuator and the valve holder at instrument distal 630, valve holder 630 and handle
Connected by bar 620 between 610.Valve holder 630 includes center hub and extends from multiple center hubs
Leg portion 632a at interval, 632b and 632c in angle, valve 100 is fixed by leg portion.
But owing to the model of Cardiac valve prosthesis is limited, and patient because of different age group, different weight,
Different lesions form cause valve demand difference big.Therefore, in the case of for mating,
Doctor is generally selected the Cardiac valve prosthesis slightly larger than former lobe week, but thing followed problem is, lobe
The risk of ring tear.For the problems referred to above, what Fig. 1 showed a kind of improvement can be applicable to surgical operation
The valve bracket of Cardiac valve prosthesis, including leaflet and the valve bracket that supports leaflet, wherein valve
Support be can self-inflated elastic support in Openworks shape, valve bracket is arranged in the position of corresponding leaflet
U-shaped opening, U-shaped lower opening portion is provided with the sutural margin 43 with suturing part 431.This sutural margin 43
Can be half drum sutural margin, material can be water swelling material.This patent is by propping up at valve
The outer wall of frame arranges sutural margin, effectively solves the Cardiac valve prosthesis of existing surgical operation implantation
Annulus is rigid structure, the limited contradiction not of uniform size, different equal to patient's heart annulus of model,
Self-expansion type support has the growth with health, chronic dilatation simultaneously, the characteristic adapted to voluntarily.But
Have no the gripping device being applicable to such (radially compressible) Cardiac valve prosthesis at present.
Summary of the invention
The present invention is that radially compressible surgery Cardiac valve prosthesis provides a kind of holder, convenient doctor
Cardiac valve prosthesis is navigated to implantation site by life fast and accurately.
A kind of Cardiac valve prosthesis holder, including:
Conduit；
First holding part, fixes with conduit；
Inner core, slides and wears in the catheter, and one end of described inner core is far-end, and the other end is for extending
The near-end of conduit；
Guide cone, is in conduit outside and is connected with the far-end of inner core；
Valve fixture, is fixed on inner core and the far-end of neighbouring described inner core, and described inner core is in leads
Position between leading cone and valve fixture is the construction section for placing Cardiac valve prosthesis；
Stopping means, is set on inner core, positions for the slip between inner core and conduit.
In the present invention, Cardiac valve prosthesis is sleeved on the construction section of inner core, and solid mutually with valve fixture
Fixed, Cardiac valve prosthesis is then compressed by conduit, parcel, and conduit can slide relative to inner core,
Installing Cardiac valve prosthesis with realization, reclaim, discharge, its behavior slided can be by controlling
The motion of the first holding part completes, if need to be fixed the position of conduit, then can control spacing dress
Put.Described Cardiac valve prosthesis can be any radially compressible Cardiac valve prosthesis.
As preferably, described Cardiac valve prosthesis holder also includes the near-end being fixed on described inner core
The second holding part.Second holding part can provide impetus for the operation of hands, facilitates the hand-held people of doctor
Work cardiac valve holder, and Cardiac valve prosthesis is pushed to implantation site.
Offer to saline injection in the patient or other medicaments, described inner core during for ease of operation
Having passage vertically, described guide cone axially offers the duct with this channel connection along inner core,
Described second holding part offers the liquid injection hole being connected with described passage.
As preferably, described first holding part is to be fixed on the sleeve at catheter port, outside this sleeve
Wall is provided with two and holds handle.When discharging Cardiac valve prosthesis, hand-held first holding part makes conduit to far
Move from the direction of guide cone, and arrange two and hold handle, facilitate holding and operating of hands, simultaneously
Two are held the stability of conduit when handle also ensure that mobile.
As preferably, described stopping means includes:
It is located at the sealing ring between described sleeve and inner core；
The locking member coordinated with described bush whorl, the part that locking member is in sleeve and described sealing
Enclose against.Locking member coordinates with bush whorl, and turn locking member makes locking member crush seal circle, seals
Circle deforms upon after being squeezed, and seals up the gap between sleeve and inner core, stops sleeve also just resistance
Keep off conduit to be moved, it is achieved spacing effect.
As preferably, described sleeve lining is provided with the ring-shaped step for placing sealing ring.Ring-shaped step
The position making sealing ring is more firm, it is to avoid during locking member extruding, sealing ring slides.
As preferably, the part that described locking member is in outside sleeve is with some anti-skidding muscle.Anti-skidding muscle increases
Add the skin-friction force of locking member, it is to avoid slide during staff rotary fastenings.
Having annular space between described conduit and inner core, described sleeve offers one and this annular is empty
Between the steam vent that communicates of space.The air at Cardiac valve prosthesis position can be discharged by this steam vent.
For the discharge of more conducively air, further, described valve fixture axially offers along conduit
Multiple through holes.
As preferably, described conduit closes on one end of guide cone and is provided with a plurality of open slot vertically.Surgery
During operation, one end of many sutures is fixed on the suture ring of Cardiac valve prosthesis, then by suture
The other end (i.e. free end) passes through otch, and sewing, in autologous annulus, pulls the free end of suture to make people
Work cardiac valve leans against in autologous annulus.And opening is set by closing on one end of guide cone at conduit
Groove, can draw the free end of the suture of Cardiac valve prosthesis from open slot, it is to avoid artificial heart valve
The interference of film, facilitates doctor to sew, and can avoid mutually being wound around between suture.
It is further preferred that all of open slot is uniformly distributed along the circumference of described conduit.
As preferably, described open slot is 3～6；It is further preferred that described open slot is 3～6
Bar；It is furthermore preferred that described open slot is 3.Reduce pin number during valve sewing, shorten operation behaviour
The time made, nor affect on the fastness of Cardiac valve prosthesis location simultaneously.
Compared with prior art, the invention have the benefit that
The present invention is the radially compressible Surgical heart valve (artificial heart as shown in Fig. 1 of the present invention
Valve) provide a kind of gripping device, after Cardiac valve prosthesis is compressed to the holder of the present invention,
Cardiac valve prosthesis is big to the view obstruction effect of doctor in pre-release, adjustment, position fixing process in art
Big reduction, beneficially Cardiac valve prosthesis are delivered to implant best located point fast and accurately.
Cardiac valve prosthesis holder of the present invention, by arranging open slot on conduit, facilitates doctor to carry out
Sewing.
Cardiac valve prosthesis holder simple in construction of the present invention, easy to control, it is allowed to doctor's one hand is carried out
Operation.
Accompanying drawing explanation
Fig. 1 is the structural representation in prior art for operating Cardiac valve prosthesis.
Fig. 2 is the explosive view of Cardiac valve prosthesis holder of the present invention.
Fig. 3 is the structural representation of Cardiac valve prosthesis holder of the present invention.
Fig. 4 is that in Cardiac valve prosthesis holder of the present invention, conduit moves the structural representation to a certain state
Figure.
Fig. 5 is the profile of the Cardiac valve prosthesis holder shown in Fig. 4.
Fig. 6 is that in Cardiac valve prosthesis holder of the present invention, conduit moves the structural representation to another state
Figure.
Fig. 7 is the sectional view of the Cardiac valve prosthesis holder shown in Fig. 6.
Fig. 8 is the structural representation that Cardiac valve prosthesis is loaded into Cardiac valve prosthesis holder of the present invention
Figure.
When Fig. 9 is hybridization operation, Cardiac valve prosthesis holder of the present invention shows through the structure of cardiac incision
It is intended to.
Cardiac valve prosthesis holder of the present invention release Cardiac valve prosthesis when Figure 10 is hybridization operation
Structural representation.
Figure 11 is the structural representation of the holder of existing a kind of Cardiac valve prosthesis.
Wherein, 1, conduit；2, guide cone；3, construction section；4, valve fixture；5, sleeve；
6, handle is held；7, locking member；8, the second holding part；9, inner core；10, through hole；11, opening
Groove；12, steam vent；13, liquid injection hole；14, anti-skidding muscle；15, passage；16, duct；17、
Locating slot；18, ring is held；19, ring-shaped step；20, sealing ring；21, suture；22, annulus；
23, free end；24, Cardiac valve prosthesis.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further explained.
As shown in Figure 2 and Figure 3, Cardiac valve prosthesis holder of the present invention (hereinafter referred to as holder)
Including conduit 1, sleeve 5, inner core 9, guide cone 2, valve fixture 4, stopping means and second
Holding part 8.
Inner core 9 slides to wear and penetrates in conduit 1, and this inner core 9 is cylindrical, has passage vertically
15, columned inner core 9 outer surface smoother so that the relative motion between inner core 9 and conduit 1 is more
Adding flexibly, facilitate release and the recovery of Cardiac valve prosthesis, the material of inner core does not has particular/special requirement, can
Think that metal, plastics etc. meet the material of medical devices call, but should possess certain hardness, it is ensured that
Its basic propelling movement power.One end of inner core 9 be far-end (when i.e. operating, adjacent valves implantation site
One end), the other end is that the near-end extending conduit 1 is (during operation, away from the one of valve implantation site
End).
Guide cone 2 is in the outside of conduit 1 and fixes with the far-end of inner core 9, during operation, guides
Cone 2 guiding conveyer device arrives valve implantation site through wound.Guide cone 2 has along inner core 9 axle
To duct 16, this duct 16 is connected with the passage 15 of inner core 9.
Valve fixture 4 is fixed on inner core 9 and the far-end of neighbouring inner core 9, and inner core 9 is in valve
Part between fixture 4 and guide cone 2 is construction section 3, after Cardiac valve prosthesis loads,
Cardiac valve prosthesis is in the construction section 3 of inner core 9.The outer wall of valve fixture 4 one end with people
The locating slot 17 that work cardiac valve matches, is used for fixing Cardiac valve prosthesis, valve fixture 4
Five through holes 10 axially it are further opened with along conduit 1.
Second holding part 8 fixes with the near-end of inner core 9, and this second holding part 8 holds with one
Ring 18, it is simple to hand grip, operation.Second holding part 8 is further opened with a liquid injection hole 13, this note
Fluid apertures 13 is connected with the passage 15 of inner core 9, can be to noting in the patient by this liquid injection hole 13
Enter the reagent such as normal saline.
Conduit 1 can slide relatively relative to inner core 9, discharges Cardiac valve prosthesis and reclaims,
Conduit 9 is provided with three open slots 11 vertically adjacent to one end of guide cone 2, these three open slots 11
Being uniformly distributed in the circumference of conduit 1, the port of conduit 1 other end is fixed with sleeve 5, this set
The outer wall of cylinder 5 is provided with two and holds handle 6, and holding handle is circular arc, it is simple to hands operates, and certainly, holds
Lever can also be annular etc..There is between conduit and inner core annular space, sleeve offer one with
The steam vent 12 that this annular space communicates, owing to valve fixture is with through hole, therefore by this aerofluxus
The air at Cardiac valve prosthesis position can be discharged in hole.The inwall of this sleeve 5 is additionally provided with a ring-shaped step
19。
Stopping means includes sealing ring 20 and locking member 7, and wherein sealing ring 20 is set on inner core 9
And it is in ring-shaped step 19 position of sleeve 5.Locking member 7 is also set on inner core 9, locking member 7
One end stretch into sleeve 5, and sleeve 5 threaded engagement, this locking member 7 stretch into one end of sleeve 5 with
Sealing ring 20 leans, and the other end of locking member 7 extends sleeve 5, and it is in the portion outside sleeve 5
Divide with some anti-skidding muscle 14.
It is specifically described as a example by surgical operation.During art, first by Cardiac valve prosthesis (artificial heart
Before valve loads, one end of three sutures is fixed on Cardiac valve prosthesis, as fixed in FIG
Shown suturing part 431) load on a conveyor, first, unscrew locking member, pull sleeve
Hold handle to move to the direction away from guide cone, now conduit under the drive of sleeve to away from guide cone
Direction slide (Fig. 4, Fig. 5), after exposing valve firmware (Fig. 6, Fig. 7), by artificial heart valve
Membrane cover is contained in the construction section of inner core, and makes it fix with valve fixture, promotes holding of sleeve the most again
Lever makes conduit reset, and Cardiac valve prosthesis is compressed and it is fully wrapped around by conduit, now, screws
Locking member, locking member pushes against sealing ring, and sealing ring deforms upon, and seals up between sleeve and inner core
Gap, thus stop sleeve, conduit to be moved, reach spacing effect.Fig. 8 shows manually
Cardiac valve is loaded into the structural representation of Cardiac valve prosthesis holder of the present invention, Cardiac valve prosthesis
On three sutures draw (figure is diagrammatically only by two) from the open slot of conduit.
After loading completes, the suture of Cardiac valve prosthesis is sewn into autologous annulus through operative incision
On, hand-held holder hold ring, push guide cone through operative incision, make Cardiac valve prosthesis portion
After position arrives implantation site, unscrewing locking member, pull sleeve holds handle to the direction away from guide cone
The most mobile, now conduit slides to the direction away from guide cone under the drive of sleeve, artificial heart
Valve is gradually discharged, and the most in good time free end pulling suture makes Cardiac valve prosthesis be fixed on
At autologous annulus, finally holder is removed in the patient.
The present invention is that radially compressible Cardiac valve prosthesis provides a kind of gripping device, particularly suitable
In surgical operation, Cardiac valve prosthesis is compressed in holder, it is not necessary to the direct hand-held artificial heart
Dirty valve operates, and it can be avoided that doctor's sight line is blocked by Cardiac valve prosthesis.It addition,
In operation process, the release to propelling movement, recovery and the Cardiac valve prosthesis of holder all can singlehanded be controlled
Holder processed completes, it is easy to operation, easy to control.Certainly, the Cardiac valve prosthesis of the present invention holds
Device also apply be applicable to operation pathway shorter through ascending aorta enter hybridization operation in, Fig. 9, Figure 10
Illustrate Cardiac valve prosthesis holder of the present invention in hybridization operation and through cardiac incision and discharge people
The valvular structural representation of work, when being applied to hybridization operation, the Cardiac valve prosthesis of the present invention is held
Middle conduit of catching can be not required to arrange open slot.
Claims (8)
1. a Cardiac valve prosthesis holder, it is characterised in that including:
Conduit, one end of conduit adjacent valves implantation site is far-end；
First holding part, this first holding part is to be fixed on the sleeve at catheter port, the outer wall of sleeve
Being provided with two and hold handle, two are held handle and all bend towards the far-end of conduit；
Inner core, slides and wears in the catheter, and one end of described inner core is far-end, and the other end is for extending
The near-end of conduit；
Guide cone, is in conduit outside and is connected with the far-end of inner core；
Valve fixture, is fixed on inner core and the far-end of neighbouring described inner core, and described inner core is in leads
Position between leading cone and valve fixture is the construction section for placing Cardiac valve prosthesis；
Stopping means, is set on inner core, positions for the slip between inner core and conduit；
Second holding part, fixes with the near-end of described inner core, and the second holding part holds ring with one.
2. Cardiac valve prosthesis holder as claimed in claim 1, it is characterised in that in described
Core offers passage vertically, described guide cone axially offering and this channel connection along inner core
Duct, described second holding part offers the liquid injection hole being connected with described passage.
3. Cardiac valve prosthesis holder as claimed in claim 2, it is characterised in that described
Stopping means includes:
It is located at the sealing ring between described sleeve and inner core；
The locking member coordinated with described bush whorl, the part that locking member is in sleeve and described sealing
Enclose against.
4. Cardiac valve prosthesis holder as claimed in claim 3, it is characterised in that described set
Cylinder inwall is provided with the ring-shaped step for placing sealing ring.
5. the Cardiac valve prosthesis holder as described in claim 3 or 4, it is characterised in that institute
State part that locking member is in outside sleeve with some anti-skidding muscle.
6. Cardiac valve prosthesis holder as claimed in claim 1, it is characterised in that described lobe
Film fixture axially offers multiple through hole along conduit.
7. Cardiac valve prosthesis holder as claimed in claim 1, it is characterised in that described in lead
Pipe closes on one end of guide cone and is provided with a plurality of open slot vertically.
8. Cardiac valve prosthesis holder as claimed in claim 7, it is characterised in that described in open
Mouth groove is 3～6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310652679.8A CN103610520B (en) | 2013-12-05 | 2013-12-05 | A kind of Cardiac valve prosthesis holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310652679.8A CN103610520B (en) | 2013-12-05 | 2013-12-05 | A kind of Cardiac valve prosthesis holder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103610520A CN103610520A (en) | 2014-03-05 |
| CN103610520B true CN103610520B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310652679.8A Active CN103610520B (en) | 2013-12-05 | 2013-12-05 | A kind of Cardiac valve prosthesis holder |
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| CN (1) | CN103610520B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104523353B (en) * | 2014-12-24 | 2016-10-12 | 金仕生物科技（常熟）有限公司 | Artificial mitral valve valve valve holder |
| US10653523B2 (en) | 2017-01-19 | 2020-05-19 | 4C Medical Technologies, Inc. | Systems, methods and devices for delivery systems, methods and devices for implanting prosthetic heart valves |
| US10561495B2 (en) | 2017-01-24 | 2020-02-18 | 4C Medical Technologies, Inc. | Systems, methods and devices for two-step delivery and implantation of prosthetic heart valve |
| US12029647B2 (en) | 2017-03-07 | 2024-07-09 | 4C Medical Technologies, Inc. | Systems, methods and devices for prosthetic heart valve with single valve leaflet |
| US12036113B2 (en) | 2017-06-14 | 2024-07-16 | 4C Medical Technologies, Inc. | Delivery of heart chamber prosthetic valve implant |
| CN108378960B (en) * | 2017-10-24 | 2023-10-31 | 杭州启明医疗器械股份有限公司 | Adjustable bend conveying system of interventional heart valve |
| US11857441B2 (en) | 2018-09-04 | 2024-01-02 | 4C Medical Technologies, Inc. | Stent loading device |
| US12133797B2 (en) | 2020-01-31 | 2024-11-05 | 4C Medical Technologies, Inc. | Prosthetic heart valve delivery system: paddle attachment feature |
| US11931253B2 (en) | 2020-01-31 | 2024-03-19 | 4C Medical Technologies, Inc. | Prosthetic heart valve delivery system: ball-slide attachment |
| US12053375B2 (en) | 2020-03-05 | 2024-08-06 | 4C Medical Technologies, Inc. | Prosthetic mitral valve with improved atrial and/or annular apposition and paravalvular leakage mitigation |
| US11992403B2 (en) | 2020-03-06 | 2024-05-28 | 4C Medical Technologies, Inc. | Devices, systems and methods for improving recapture of prosthetic heart valve device with stent frame having valve support with inwardly stent cells |
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|---|---|---|---|---|
| CN2726560Y (en) * | 2004-09-08 | 2005-09-21 | 王蓉珍 | Device for implanting intervention type artificial cardiac valves |
| US8562566B2 (en) * | 2005-02-28 | 2013-10-22 | Boston Scientific Scimed, Inc. | Stent delivery and guidewire guidance system |
| CN100522074C (en) * | 2005-09-30 | 2009-08-05 | 微创医疗器械(上海)有限公司 | Fast-exchanging and transferring system |
| US8764820B2 (en) * | 2005-11-16 | 2014-07-01 | Edwards Lifesciences Corporation | Transapical heart valve delivery system and method |
| EP2240121B1 (en) * | 2008-01-16 | 2019-05-22 | St. Jude Medical, Inc. | Delivery and retrieval systems for collapsible/expandable prosthetic heart valves |
| CN201379672Y (en) * | 2009-04-10 | 2010-01-13 | 王涛 | Stent delivery device for interventional therapy |
| US8439970B2 (en) * | 2009-07-14 | 2013-05-14 | Edwards Lifesciences Corporation | Transapical delivery system for heart valves |
| US20110022165A1 (en) * | 2009-07-23 | 2011-01-27 | Edwards Lifesciences Corporation | Introducer for prosthetic heart valve |
| CN202288533U (en) * | 2011-10-24 | 2012-07-04 | 上海形状记忆合金材料有限公司 | Transapical cardiac valve delivery system |
| CN202537709U (en) * | 2012-05-04 | 2012-11-21 | 乐普（北京）医疗器械股份有限公司 | Integrated heart valve conveying system |
| CN103190967B (en) * | 2013-03-15 | 2015-08-05 | 杭州启明医疗器械有限公司 | A kind of intervention apparatus conveying system and sheath core thereof |
| CN203677318U (en) * | 2013-12-05 | 2014-07-02 | 杭州启明医疗器械有限公司 | Artificial heart valve holding device |
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Inventor after: Wang Jianan Inventor after: Zhang Zhifei Inventor after: Zeng Min Inventor before: Zhang Zhifei Inventor before: Zeng Min |
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Address after: 310051 311, 3 building, 2 building, 88 Jiangling Road, Binjiang District, Hangzhou, Zhejiang. Patentee after: Hangzhou Qiming Medical Devices Co., Ltd. Address before: 310000 East Building of Tax Youyou Building, 3738 Nanhuan Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Qiming Medical Device Co., Ltd. |
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