CN208974214U - Implantation material conveys pipe fitting and implantation material transportation system - Google Patents
Implantation material conveys pipe fitting and implantation material transportation system Download PDFInfo
- Publication number
- CN208974214U CN208974214U CN201820888910.1U CN201820888910U CN208974214U CN 208974214 U CN208974214 U CN 208974214U CN 201820888910 U CN201820888910 U CN 201820888910U CN 208974214 U CN208974214 U CN 208974214U
- Authority
- CN
- China
- Prior art keywords
- sheath
- pipe fitting
- pipeline section
- implantation material
- conveying pipe
- 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.)
- Active
Links
Abstract
This application involves the field of medical instrument technology, a kind of implantation material conveying pipe fitting, for loading and conveying implantation material, it successively includes: outer tube that the implantation material conveying pipe fitting, which proximally arrives distal end,；And sheath, it is set to the distal end of the outer tube, the sheath is stretching structure, and its length is elongated in the axial direction with outer tube movement in the axial direction or shortens.Above-mentioned implantation material conveys pipe fitting, by setting stretching structure for sheath, enabling the length of sheath with outer tube, in axial direction upper movement is stretched, and implantation material conveying pipe fitting is enabled to carry out the conveying of implantation material and the recession operation after release on crooked route.
Description
Technical field
The utility model relates to the field of medical instrument technology, convey pipe fitting more particularly to a kind of implantation material and implantation material is defeated
Send system.
Background technique
Currently, implantation material conveying pipe fitting has certain requirement to hardness and length, however, tool in medical instruments field
Have the implantation material of larger hardness and long length conveying pipe fitting be difficult to steadily to carry out in crooked route the conveying of implantation material and
Recession operation.
For example, using such as through conduit mitral valve replacement (Transcatheter Mitral Valve Replacement,
Abbreviation TMVR) etc. the mode of intubation interventions when carrying out the treatment of mitral regurgitation, be that artificial valve is first compressed to biography in vitro
In conducting tube, then through lumens such as the apex of the heart conduits artificial valve is delivered at mitral annulus, discharges and fixed artificial valve exists
At mitral annulus, to replace native valve.Wherein, the accurate and reliable positioning of valve bracket is the key that TMVR successful surgery,
But such as mitral structure is more complicated, annulus is in irregular shape, there are produced by more chordae tendineaes, ventricular contractions in ventricular chamber
The unfavorable factors such as cavity pressure is larger can severe jamming artificial valve implantation and positioning, and then cause a series of more serious
Complication.
Meanwhile the sheath of current artificial valve conveyer is for the radial force expanded when bearing support is retracted, generally
Need sheath that there is higher hardness, while the length of sheath is also longer (general length is 50mm~70mm), this will result in
During conveying artificial valve, especially during such as crossing seal wire and artificial valve discharges, because the hardness of sheath is larger
It is not likely to produce deformation, and then very big turning radius, or even sometimes above-mentioned turning radius is needed to be greater than at anatomical structure
Bulk；Meanwhile current conveyer is the positioning that artificial valve is realized by the curved mode of interior control, and fixed realizing
It to keep delivery track to remain static always behind position during the release of subsequent artefacts' valve, could guarantee artificial valve
The precision of releasing position.
There are following technical problems for i.e. existing part artificial valve conveyer: because the hardness of sheath is larger and length compared with
It is long, and greater hardness is also presented in the inner tube for controlling curved state, and then the behaviour that can not be conveyed and be dropped back in crooked route
Make, while also can cause conduit play when artificial valve discharges, and then will drive the artificial valve discharged, to reduce
The accuracy of artificial valve implantation and positioning；If, not only can be into addition, force to be conveyed and dropped back operation in crooked route
One step reduces the stability of subsequent carried out artificial valve release, at the same can also injured patient lumen.
Utility model content
Based on this, it is necessary to a kind of implantation material conveying pipe fitting and implantation material transportation system are provided in view of the above technical problems,
Not only make implantation material conveying pipe fitting adapt to the transmission and recession of crooked route, while being also able to achieve the accurate and reliable of implantation material
Positioning, it is ensured that the stability of implantation material release.
A kind of implantation material conveying pipe fitting, can be used for loading and conveying implantation material, and the implantation material conveying pipe fitting proximally arrives
Distal end successively includes:
Outer tube；And
Sheath, is set to the distal end of the outer tube, and the sheath is stretching structure, and its length with the outer tube in axis
Movement on direction and it is elongated in the axial direction or shorten.
Above-mentioned implantation material conveying pipe fitting enables the length of sheath with outer by setting stretching structure for sheath
Pipe in axial direction stretch by upper movement, and implantation material conveying pipe fitting is enabled to carry out the defeated of implantation material on crooked route
Recession operation after sending and discharging；Especially carrying out implantation material (such as aortic valve prosthese, mitral valve prosthese, tricuspid
Valve valve prosthesis etc.) release during, sheath pipeline section can during recession with outer tube drop back and length gradually becomes smaller, that is, exist
When equally achieving the effect that discharge valve prosthesis, the occupied space of sheath in the embodiment of the present application with Telescopic is compared
It is greatly reduced in traditional occupied space of sheath, and then can effectively avoid sheath during recession to the interference of inner tube,
Improve the accurate reliability of implantation material positioning, it is ensured that the stability of implantation material release.
In an alternative embodiment, the sheath includes the sheath pipeline section of at least two movable connections, and adjacent
Successively socket forms the stretching structure of tubular between sheath pipeline section.
In an alternative embodiment, the sheath pipeline section of described at least two movable connections include distal sheath pipeline section and
Proximal end sheath pipeline section, the internal diameter of the distal sheath pipeline section are greater than the internal diameter of the proximal end sheath pipeline section.
In an alternative embodiment, the proximal end of the distal sheath pipeline section is fixedly connected with the distal end of the outer tube, institute
Stating outer tube drives the distal sheath pipeline section mobile, and the distal sheath pipeline section drives remaining described sheath pipeline section mobile, to realize
It states sheath and carries out stretching motion in the axial direction.
In an alternative embodiment, when the sheath is in fully unfolded position, the length of the sheath is less than
Or the sum of the length equal to all sheath pipeline sections；And
When the sheath is in fully collapsed condition, the length of the sheath is greater than or equal to longest in all sheath pipeline sections
The length of person；
Wherein, when the sheath is in fully collapsed condition, for all the case where being equal in length of sheath pipeline section,
In above-mentioned all sheath pipeline sections the length of the longest can be equal to any one sheath pipeline section length, and for different sheath pipeline sections it
Between have different length when, with extreme length sheath pipeline section quantity then be at least one, that is, be directed to different sheath pipeline sections
Between its length when being all different, then this have extreme length sheath pipeline section only one, and when between only part sheath pipeline section
When its length is different, then it may be one that this, which has the quantity of the sheath pipeline section of extreme length, two or more.Example
Such as, for five sheaths pipeline section A, B, C, E, D, if LA=LB=LC=LD=LE, then there is the length L=of the sheath pipeline section of extreme length
LA=LB=LC=LD=LE；If LA> LB> LC> LD> LE, then L=LA；If LA> LB=LC> LD> LE, then L=LA；If LA=
LB> LC> LD> LE, then L=LA=LB；If LA=LB=LC> LD> LE, then L=LA=LB=LC；Wherein, LA、LB、LC、LD、LE
It is corresponding in turn to the length for indicating sheath pipeline section A, B, C, D, E.
In another alternative embodiment, outermost sheath can will be located at when the sheath is in fully collapsed condition
The length of pipeline section is set as longest, such as can set longest for the length of distal sheath pipeline section, receives completely so that sheath is in
Its outer shape is more smooth when contracting state, while being also convenient for being connected between sheath and other pipe portion parts, further convenient for whole
The conveying of a implantation material conveying pipe fitting and the operation such as withdraw.
In an alternative embodiment, the sheath pipeline section of described at least two movable connections further include be set to it is described close
Hold the limiting component of the proximal end of sheath pipeline section.
In an alternative embodiment, it is additionally provided with hardness reinforcer in the distal sheath pipeline section, it is described for reinforcing
The hardness of distal sheath pipeline section.
In an alternative embodiment, in the sheath pipeline section of described at least two movable connections, two adjacent sheaths
It is slidably connected between section.
In an alternative embodiment, one in two adjacent sheath pipeline sections, which is provided with, in axial direction extends
Guide rail, another in two adjacent sheath pipeline sections be provided with sliding block corresponding with the guide rail.
In an alternative embodiment, in the sheath pipeline section of described at least two movable connections, two adjacent sheaths
It is connected by way of static friction between section.
In an alternative embodiment, the material of the sheath is metal.
In an alternative embodiment, the metal is marmem.
A kind of implantation material transportation system, can be used for loading and conveying implantation material, and the implantation material transportation system proximally arrives
Distal end successively includes:
Control handle comprising ontology and control unit, the control unit are arranged on the body；And
Conduit, the implantation material including the first pipe fitting and as described in above-mentioned any one convey pipe fitting, and the implantation material is defeated
The outside for sending pipe fitting to be sheathed on first pipe fitting；
Wherein, the ontology of the control handle is connected with first pipe fitting, the control of the control handle
Component processed is connected with the outer tube of implantation material conveying pipe fitting, for controlling the implantation material conveying pipe fitting relative to institute
State the movement of the first pipe fitting.
Above-mentioned implantation material transportation system is carrying out such as aortic valve prosthese, mitral valve prosthese, tricuspid valve valve
During the implantation materials such as film prosthese discharge, sheath length can gradually become smaller during recession, plant equally reaching release
While entering object effect, the occupied space of sheath in the embodiment of the present application is big compared to traditional occupied space of sheath
It is big to reduce, and then sheath can effectively be avoided, to the interference of inner tube, to improve the accurate and reliable of implantation material positioning during recession
Property, it is ensured that the stability of implantation material release.
In an alternative embodiment, when the implantation material conveys distal movement of the pipe fitting towards first pipe fitting
When, the length of the sheath；It is described when implantation material conveying pipe fitting to the proximal end of first pipe fitting far from moving
The length of sheath shortens；It is described when implantation material conveying pipe fitting and first pipe fitting keep relatively motionless in the axial direction
The length of sheath is constant.
In an alternative embodiment, first pipe fitting include sequentially connected conical head, inner core tube, fixing head and
The inner tube of controllable bending；Said inner tube is connected with the ontology of the control handle；
Wherein, the sheath in fully unfolded position is at least sheathed in the inner core tube and the fixing head, institute
Outer tube is stated at least to be sheathed in the said inner tube of part.
In an alternative embodiment, the groove for fixation implant is offered in the fixing head.
In an alternative embodiment, the conduit further include:
Second pipe fitting is sheathed on the proximal end of the implantation material conveying pipe fitting and between implantation material conveying pipe fitting radial direction
It separates；
Wherein, second pipe fitting is fixedly connected with the ontology of the control handle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of artificial valve conveying device in one embodiment；
Fig. 2 is the partial structure diagram of the first pipe fitting shown in Fig. 1；
Fig. 3 a is the diagrammatic cross-section of the fixing head cooperation of the conveying pipe fitting of implantation material shown in Fig. 1 and the first pipe fitting；
Fig. 3 b is the diagrammatic cross-section for being loaded with the conveying device of artificial valve；
Fig. 4 a~4c is the structural schematic diagram that different connection types are used between sheath pipeline section；
Fig. 5 is the structural schematic diagram when sheath being made of three sheath pipeline sections is in fully unfolded position；
Fig. 6 is schematic diagram when sheath shown in Fig. 5 is shunk；
Fig. 7 is structural schematic diagram when sheath shown in Fig. 5 is in fully collapsed condition；
Fig. 8 is schematic diagram when sheath shown in Fig. 7 is unfolded；
Fig. 9 is the structural schematic diagram that handle is controlled in one embodiment；
Figure 10 is structural schematic diagram when loading valve prosthesis in one embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, and
It is not used in restriction the application.
The application has carried out detailed statement using schematic diagram, but these schematic diagrames are only for the purposes of being described in detail the reality of the application
Example is applied, it should not be in this, as the restriction of the application.As used in the specification and the appended claims, singular
"a", "an" and "the" includes plural reference, in addition in addition non-content explicitly points out.Such as in this specification and appended right
Used in it is required that, term "or" be usually carried out with including the meaning of "and/or" using, except non-content is in addition clear
It points out outer.Term " proximal end " and " distal end " both ends that refer to the same object opposite, " proximal end " is typically referred to by proximal operator's
One end, and " distal end " refers to one end far from operator.
In an alternative embodiment, a kind of implantation material conveys pipe fitting, can be used for loading and conveying such as aorta petal
The implantation materials such as film prosthese, mitral valve prosthese, tricuspid valve prosthese, it may include proximally to remote which, which conveys pipe fitting,
The outer tube and sheath being sequentially distributed on extreme direction, and the sheath may be provided at the distal end of above-mentioned outer tube；Wherein, above-mentioned sheath can be
Stretching structure, and when above-mentioned outer tube moves along its own axial direction, above-mentioned sheath is with the movement of the outer tube and along it
Itself axial direction is elongated or shortened, i.e., the length of the sheath is with elongated when outer tube in axial direction moves or change
It is short.Therefore, during loading or conveying above-mentioned implantation material, the length of the sheath can stretch according to demand, from
And facilitate implantation material conveying pipe fitting can be after crooked route etc. carries out the conveying and release of implantation material in special circumstances
Recession operation.
In an alternative embodiment, in above-mentioned implantation material conveying pipe fitting, sheath may include at least two movable
The sheath pipeline section of connection, and connection can be successively socketed between adjacent sheath pipeline section by modes such as static friction, slidings, and then shape
At the telescopic structure of such as tubular.
In an alternative embodiment, it in above-mentioned implantation material conveying pipe fitting, forms in the sheath pipeline section of sheath and may include
Distal sheath pipeline section and proximal end sheath pipeline section etc., and the internal diameter of distal sheath pipeline section is greater than or equal to the outer diameter of proximal end sheath pipeline section, so as to shape
The tubular stretching structure being tapered is formed at the extending direction from distal end to proximal end；Meanwhile the proximal end of above-mentioned distal sheath pipeline section
It can be fixedly connected with the distal end of above-mentioned outer tube, the distal sheath pipeline section is driven to be moved when being axially moveable in order to outer tube, into
And other sheath pipeline sections is driven to be moved, to realize the flexible of sheath.
In an alternative embodiment, a kind of implantation material transportation system, can be used for loading and conveying such as aorta petal
The implantation materials such as film prosthese, mitral valve prosthese, tricuspid valve prosthese, and the implantation material transportation system may include proximally to
The control handle and catheter being sequentially distributed on the extending direction of distal end；Above-mentioned control handle may include ontology and be set to the ontology
On control unit, and above-mentioned conduit then may include that the implantation material that any embodiment is illustrated in the first pipe fitting and the application is defeated
Pipe fitting is sent, and implantation material conveying pipe fitting is set in the outside of above-mentioned first pipe fitting.Wherein, above-mentioned ontology and the first pipe fitting phase
Connection, and control unit is then connected with outer tube, controls above-mentioned implantation material conveying pipe fitting relative to upper in order to control handle
The first pipe fitting stated is moved, so that the sheath in implantation material conveying pipe fitting can stretch according to demand,
Consequently facilitating realizing that loading and conveying of above-mentioned implantation material etc. operates through specific paths such as crooked routes.
In an alternative embodiment, above-mentioned implantation material transportation system may also include the second pipe fitting, and second pipe
Part can be set in the proximal end of above-mentioned implantation material conveying pipe fitting, and second pipe fitting is fixedly connected with the ontology of above-mentioned control handle；
Wherein, the second above-mentioned pipe fitting, which is spaced apart with implantation material conveying pipe fitting in radial direction, (is in radial directions between each other
It is non-contacting).
For below using artificial valve as implantation material, and pipe fitting and plant are conveyed to the implantation material in the application in conjunction with attached drawing
Enter object transportation system to be described in detail:
Fig. 1 is the structural schematic diagram of artificial valve conveying device in one embodiment.As shown in Figure 1, a kind of artificial valve
Conveying device can be applied to carrying valve prosthesis to carry out the loading, defeated of artificial cardiac valve prosthesis (such as mitral valve prosthesis)
The operation such as send, discharge, recycling, above-mentioned device may include conduit 1 and the control handle 2 that connect with 1 proximal end of conduit；Above-mentioned
Conduit 1 may include the first pipe fitting 11 being successively socketed, implantation material conveying pipe fitting 12 and the second pipe fitting 13 etc., i.e., the second above-mentioned pipe
Part 13 can be sheathed on the outside of implantation material conveying pipe fitting 12, and implantation material conveying pipe fitting 12 can be sheathed on the outer of the first pipe fitting 11
Portion.In order to facilitate signal, the first pipe fitting 11 is not completely covered for implantation material conveying pipe fitting 12 in Fig. 1, but after actual assembled, implantation
Object conveys other all parts of pipe fitting 12 by covering other than 11 head end conical section of the first pipe fitting.
In an alternative embodiment, as shown in Figure 1, above-mentioned first pipe fitting 11 and the second pipe fitting 13 can be with control handles
2 are connected, and relative motion occurs by limitation and control handle 2 in the axial direction, to realize to first pipe fitting 11 and second
While pipe fitting 13 carries out controlling curved operation, limit first pipe fitting 11 and the second pipe fitting 13 relative to control handle 2 in the axial direction
It can not move, and then promote the stability of the above-mentioned curved operation of control.For example, can be by the first pipe fitting 11 and the fixation in control handle 2
Part is fixedly connected, effectively to limit the same of the freedom degree of all directions of first pipe fitting 11 for controlling handle 2
When, better secure valve prosthese.Certainly, in other embodiments, the first pipe fitting 11, which also can according to need, is set as opposite
It rotates in control handle, as long as relative motion does not occur for relation control handle in the axial direction, the application does not do this
Limitation.
In an alternative embodiment, as shown in Figure 1, implantation material conveying pipe fitting 12 then can be with 2 activity of control handle even
It connects, implantation material can such as be conveyed to the movable part that pipe fitting 12 be fixedly attached on control handle 2 and realize above-mentioned flexible connection,
In axial direction make flexible or reciprocating motion to drive implantation material to convey pipe fitting 12 by control handle 2, realizes that valve is false
The loading of body such as transmits, releases and recovers at the operation.Preferably, above-mentioned control handle 2 can also be by limiting implantation material conveying
Movement (can not rotate) of the pipe fitting 12 in circumferential direction, the stability that Lai Tisheng implantation material conveying pipe fitting 12 moves back and forth.
In an alternative embodiment, above-mentioned implantation material conveying pipe fitting 12 may include for pressing the sheath for holding valve prosthesis
Pipe, and the sheath includes the sheath pipeline section of at least two movable connections, that is, utilizes the multiple sheaths being flexibly connected between each other
Section replaces traditional integral type sheath structure, with carry out above-mentioned valve prosthesis release during, by by sheath pipeline section it
Between to carry out compression nested so that above-mentioned sheath length during recession gradually becomes smaller, and then reduces the occupied space of sheath,
So that the implantation material conveying pipe fitting 12 be suitable for the curved path of space multistory, facilitate valve prosthesis transmission, release with
And the operation such as recession, then ensure when valve prosthesis discharges and the stability of the concentricity of annulus and release process, realization are high
Quality valve replacement operation.
Artificial valve conveying device in above-described embodiment, during carrying out valve prosthesis release, sheath pipeline section is rear
Meeting length becomes smaller during removing, and when equally achieving the effect that discharge valve prosthesis, the occupied space of sheath pipeline section is compared to biography
The occupied space of the sheath of system greatly reduces, and then sheath can effectively be avoided, to the interference of inner tube, to be promoted during recession
The accurate reliability of valve bracket positioning, it is ensured that the stability of artificial valve release.
In an alternative embodiment, when implantation material conveys distal movement of the pipe fitting 12 towards the first pipe fitting 11, on
The length of sheath is stated, holds valve prosthesis in order to press, carries out the loading operation of valve prosthesis；When implantation material conveys pipe fitting 12
When distal movement (the withdrawing) of separate first pipe fitting 11, the length of the sheath shortens, in order to carry out the release of valve prosthesis.
When implantation material conveys pipe fitting 12 and the first pipe fitting 11 keeps relatively motionless in the axial direction, the length of the sheath is constant, in order to
When carrying out the conveying of valve prosthesis, the valve prosthesis being held in compression with stability with higher.
Certainly, the technical concept of the application is: the relative movement using implantation material conveying pipe fitting relative to the first pipe fitting,
The length of synchronous change sheath, so that sheath can discharge artificial valve in limited cardiac anatomy, and
Sheath will not be interfered with the inner tube of certain camber is kept during release, to promote the accurate and reliable of artificial valve positioning
The operability and safety of property and release.Therefore, in other embodiments, the length of sheath can also be changed by other means
Degree, the application are without limitation.
In an alternative embodiment, in the sheath pipeline section that above-mentioned sheath is included, can pass through between adjacent sheath pipeline section
The mode being successively socketed forms the stretching structure (a to structure shown in Fig. 8 referring to fig. 4) of tubular, in order to the dress of valve prosthesis
Load, transmission, release, recession and recycling etc. operate.Meanwhile when above-mentioned sheath is in fully unfolded position, far from control hand
The internal diameter of the sheath pipeline section of handle be greater than close to control handle sheath pipeline section internal diameter, i.e., multiple sheath pipeline sections of movable socket it is interior
Diameter increases with its increase with the distance between control handle, can be realized the nesting of each sheath pipeline section in this way, further
Loading and release of valve prosthesis etc. is facilitated to operate.
In an alternative embodiment, above-mentioned implantation material conveying pipe fitting may also include outer tube, and sheath includes distal sheath
Pipeline section and proximal end sheath pipeline section, and above-mentioned control handle is fixedly connected by the distal end of outer tube with the proximal end of distal sheath pipeline section, with
In driving the distal sheath pipeline section that the proximal end sheath pipeline section and remaining sheath pipeline section is driven successively to be moved, so that the sheath is in axis
Stretching motion is carried out on direction.Wherein, when above-mentioned distal sheath pipeline section is that sheath is in fully unfolded position, with control handle
Apart from farthest sheath pipeline section；When proximal end sheath pipeline section is that sheath is in fully unfolded position, with control handle apart from nearest sheath
Section, remaining sheath pipeline section refer to the sheath pipeline section being socketed between proximal end sheath pipeline section and distal sheath pipeline section.
In other embodiments, outer tube can be integrally formed with distal sheath pipeline section, in order to reinforce the hardness of distal end sheath, far
Hardness reinforcer can be set in end sheath pipeline section, such as a plurality of reinforcing rib is arranged, or by being arranged in outer tube and distal sheath pipeline section
The metal mesh compartment of different densities, so that the hardness of distal sheath pipeline section is higher than the hardness of outer tube.
Fig. 2 is the partial structural diagram of the first pipe fitting shown in Fig. 1.As shown in Fig. 1~2, in one embodiment, on
The first pipe fitting 11 stated may include the inner tube 115 of sequentially connected conical head 111, inner core tube 112, fixing head 113 and controllable bending,
And the also settable step 114 between inner core tube 112 and fixing head 113；Wherein, the distal end of above-mentioned conical head 111 is (i.e. free
End) shape be it is streamlined, when being transmitted in lumen in order to it, the resistance being subject to is smaller, and having preferably can be with
Track；Meanwhile the proximal end of the conical head 111 can be then located in the inner cavity of sheath of fully unfolded position, the conical head 111
This step-like design can prevent sheath front end face (i.e. distal end far from control handle end face) and conical head 111 between
Form flaring (referring to Fig. 3).
Fig. 3 a is the diagrammatic cross-section of the fixing head cooperation of the conveying pipe fitting of implantation material shown in Fig. 1 and the first pipe fitting；Fig. 3 b
It is the diagrammatic cross-section for being loaded with the conveying device of artificial valve；For the ease of more clearly showing the sheath pipeline section and outer tube of expansion
Positional relationship, be not drawn into the first pipe fitting in fig. 3 a and be located at the structures such as the inner core tube of fixing head front end.Such as Fig. 2,3a~3b institute
Show, above-mentioned inner core tube 112 can be used for loading valve prosthesis 3, i.e., the valve prosthesis 3 is sheathed in inner core tube 112, and in receipts
One end of the valve prosthesis 3 of contracting state is fixed in above-mentioned fixing head 113, and other end then resists the rear end of conical head 111
Face (i.e. the end face for controlling handle is closed in proximal end), in order to the transmission of valve prosthesis 3.It can be offered in fixing head 113 multiple recessed
Slot prevents from loading in order to the valve bracket of the above-mentioned valve prosthesis of fixation, and in order to preferably support above-mentioned valve bracket
And twist together in the operating process such as recycling, it can be in distal end (one end i.e. far from control handle) setting step of fixing head 113
114。
In an alternative embodiment, as shown in Fig. 2,3a~3b, above-mentioned inner tube 115 can be polymer tube or engrave
The controllable bendings tubing such as empty metal reinforced pipe, and it is embedded at least one wire in the controllable bending tubing, and in order to be promoted
Control curved accuracy and generally bury more one metal wires, i.e., controlled by the different wire of pull inner tube 115 bending angle,
Position and direction etc..Wherein, when inner tube 15 is metal pipe material, can be has spiral woven by what weaving was woven
Structure or the metal shielding for intersecting establishment structure, or the metal with notch slot structure is formed by by cutting technique
Enhancement layer.Meanwhile the solid or hollow multimode connecting tube that above-mentioned inner tube 115 or multi-stage series are formed.Due to
Above-mentioned inner tube 115 can realize actively control it is curved so that its space bit-type by atrial septum for being more easier, and then quickly
The primary annulus of arrival bicuspid valve at carry out valve replacement.
In an alternative embodiment, as shown in Fig. 1~2,3a~3b, above-mentioned implantation material conveying pipe fitting 12 may include
Sheath 121 positioned at transmitting device distal end and the outer tube 122 positioned at the transmitting device proximal end；The sheath 121 can be used in valve
Pressure holds valve bracket 3 when prosthese loads；Second pipe fitting 13 includes one stablizing pipe, be set in the outside of outer tube 122 and with it is described outer
Pipe is radially spaced, so that the movement of itself and outer tube 122 will not interfere, and can prevent conveyer operator from contacting
Outer tube 122 during exercise.Outer tube 122 is fixedly connected with sheath 121, for driving sheath 121 to be stretched in the axial direction
Contracting movement, and then realize to the loading of valve prosthesis, the operation such as release and recover.
As shown in Fig. 3 a~3b, in an alternative embodiment, sheath 121 includes (the i.e. distal end the first sheath pipeline section 121a
Sheath pipeline section) and the second sheath pipeline section 121b (i.e. proximal end sheath pipeline section), and be in the state being fully deployed in sheath 121 and (such as loaded
Finish to release) when, the internal diameter positioned at the first sheath pipeline section 121a of distal end is greater than in the second sheath pipeline section 121b of proximal end
Diameter size, and when being also arranged with other sheath pipeline sections between the first sheath pipeline section 121a and the second sheath pipeline section 121b, then it is located at distal end
The first sheath pipeline section 121a be all sheath pipeline sections in the maximum sheath pipeline section of internal diameter, the second sheath pipeline section 121b positioned at proximal end is all
The smallest sheath pipeline section of internal diameter in sheath pipeline section, i.e., smaller with the distance between control handle, the internal diameter of sheath pipeline section is also more minimum.Its
In, mutual socket joint type is flexibly connected between the first sheath pipeline section 121a and the second sheath pipeline section 121b, and then constitutes the flexible knot of tubular
Structure, and the distal end of above-mentioned outer tube 122 is fixedly connected with the proximal end of the first sheath pipeline section 121a, successively to drive in the axial direction
Each sheath pipeline section is moved, and then realizes the flexible of sheath；Meanwhile in order to promote the stability of valve replacement, sheath 121
Material can be the metals such as marmem.
In an alternative embodiment, it as shown in Fig. 3 a~3b, is leaned in the second sheath pipeline section 121b (i.e. proximal end sheath pipeline section)
Limiting component 123 is arranged in nearly 113 one end of fixing head, to realize unidirectional limit of the second sheath pipeline section 121b in fixing head 113,
And then it can effectively avoid the second above-mentioned sheath pipeline section 121b when carrying out telescopic moving to distal end relative motion from fixing head 113
On fall off, as shown in Figure 3a, limiting component 123 can be integrally formed with the second sheath pipeline section 121b, and with L-type cross section.
In other examples, it can also be individually or simultaneously provided with limiting component 123 in above-mentioned fixing head 113, as long as that is, set
The limiting component 123 set can play prevention proximal end sheath pipeline section and fall off from fixing head 113.
Fig. 4 a~4c is the structural schematic diagram that different connection types are used between sheath pipeline section.As shown in Figure 4 a ~ 4c, one
In a optional embodiment, can be used between adjacent sheath pipeline section snap connection (as shown in figures 4 a and 4b), static friction connection
(as illustrated in fig. 4 c) connection types such as and be slidably connected are attached, and can basis between sheath pipeline section different in the same sheath
Actual demand uses identical and/or different connection type, with the flexibility for promoting the manufacture of sheath pipeline section, assembling and using.
In another alternative embodiment, when using snap by the first adjacent sheath pipeline section 121a and the second sheath
When section 121b is attached, by the way that protrusion 1222 is arranged and is led with the matched track 1211 of protrusion 1222 between sheath pipeline section
To movable connection, and above-mentioned protrusion 1222 may be provided on the inner wall of the second sheath pipeline section 121b, and track 1211 can then be set
It sets on the inner wall of the first sheath pipeline section 121a (as shown in fig. 4 a), the second sheath can also be in axial direction arranged in track 1211
On the inner wall of section 121b, and above-mentioned protrusion 1222 is arranged on the inner wall of the first sheath pipeline section 121a (as shown in Figure 4 b).Its
In, the shape of above-mentioned protrusion 1222 can be able to be for shapes, the shapes of track 1211 such as round, semicircle, rectangle or polygons
The shapes such as rectangle, ellipse or cyclic annular track type, and the item number of track 1211 is at least one (such as one, two, three or more
Item etc.), i.e., it is mutually matched between track 1211 and protrusion 1222, plays the role of guiding and limit.Wherein, when above-mentioned
When the shape of track 1211 is ellipse or cyclic annular track type, distal sheath pipeline section need to be rotated with outer tube, in such case
Under, implantation material conveying pipe fitting integrally can be not only axially moved relative to handle, while can also carry out the fortune that rotates in a circumferential direction
It is dynamic.
When using static friction mode carry out the connection between adjacent sheath pipeline section when, using under valve prosthesis loading condition from
The bracket of expansion is to pressure caused by sheath, to increase the stiction between adjacent sheath pipeline section, it is ensured that is in unfolded state
Sheath entirety stability, be convenient for the transmission and release of valve prosthesis.
In other embodiments, can also according to actual needs using the casing with certain taper carry out it is mutually nestable come
Realize above-mentioned telescopic sheath structure.
In another alternative embodiment, the sheath in implantation material conveying pipe fitting may include that bilayer, three layers or multilayer are shrinkable
Nested structure.Fig. 5 is the structural schematic diagram when sheath being made of three sheath pipeline sections is in fully unfolded position, and Fig. 6 is
Schematic diagram when sheath shown in Fig. 5 is shunk, Fig. 7 are structural schematic diagrams when sheath shown in Fig. 5 is in fully collapsed condition.
As shown in Fig. 5~7, sheath 121 may include the distal sheath pipeline section 121c being successively socketed, centre sheath pipeline section 121d and proximal end sheath pipeline section
121e, and in order to increase the stability connected between outer tube and sheath, above-mentioned distal sheath pipeline section 121c outer tube connected to it
It can be structure as a whole.During conveying device reaches target position, sheath keeps fully unfolded position (such as Fig. 5 institute
Show)；And when being discharged or loaded after conveying device reaches target position, above-mentioned distal end can be driven by outer tube
Sheath pipeline section 121c is moved along arrow direction shown in Fig. 6, to drive above-mentioned intermediate sheath pipeline section 121d and proximal end sheath pipeline section 121e
It successively carries out the direction shown in arrow along Fig. 6 to move, until formation successively nesting shown in fig. 7 is in fully collapsed condition
Structure, to complete the release of valve prosthesis or convenient for the loading of valve prosthesis, i.e., intermediate sheath pipeline section 121d is sheathed on closely at this time
The outside of sheath pipeline section 121e is held, distal sheath pipeline section 121c is sheathed on the outside of intermediate sheath pipeline section 121d, and sheath 121 at this time is whole
Body length is equal to the length L of distal sheath pipeline section 121c, i.e., length and distal sheath pipeline section when sheath 121 be in fully collapsed condition
The equal length of 121a.Wherein, during above-mentioned sheath 121 is shunk, it is located at distalmost end and the maximum distal end sheath of internal diameter
Section 121c is shunk at first, and the outside of intermediate sheath pipeline section 121d is nested in along built-in orbital direction, and in distal sheath pipeline section
Between 121c and intermediate sheath pipeline section 121d it is completely nested after, by the binding force or distal sheath pipeline section between buckle and track
Stiction between 121c and intermediate sheath pipeline section 121d, drives intermediate sheath pipeline section 121d to continue along arrow direction shown in Fig. 6
Continue to shrink, and so on, until forming the sheath 121 shown in fig. 7 in fully collapsed condition.Fig. 8 is sheath shown in Fig. 7
Schematic diagram when pipe is unfolded.It is maximum using outer tube driving internal diameter when sheath 121 is unfolded as shown in Fig. 7~8
Distal sheath pipeline section 121c be unfolded at first, and along built-in track in fig. 8 shown on direction shown in dotted arrow, from position
It is carried out at B1 to the position B2 of distal end, and after being fully deployed between distal sheath pipeline section 121c and intermediate sheath pipeline section 121d, by
Buckle binding force or distal sheath pipeline section 121c between track and the frictional force between intermediate sheath pipeline section 121d, in drive
Between sheath pipeline section 121d continuation continue to be unfolded along arrow direction shown in Fig. 8, and so on, until formed Fig. 5 shown in be in
The structure of fully unfolded position.
In other alternative embodiments, for the ease of manufacturing and assembling the sheath with Telescopic, while making sheath
Pipe can be shunk to the greatest extent, the length of the sheath 121 in fully collapsed condition can slightly larger than distal sheath pipeline section 121c, in
Between in sheath pipeline section 121d and proximal end sheath pipeline section 121e the longest length, this partial-length being slightly larger than derives from adjacent sheath pipeline section
Between because connection needs and the part that cannot be completely coincident.
Fig. 9 is the structural schematic diagram of the control handle suitable for any of the above-described embodiment.Such as Fig. 1~2, the institute of 3a~3b and 9
Show, in an alternative embodiment, control handle can for manual handle, electric handle or manually with electronic mixed handle,
The control handle specifically may include ontology 51 and the control unit 52 that is set on the ontology 51, ontology 51 can respectively with the first pipe
Part 11 is fixedly connected with the second pipe fitting 13, if the ontology 51 can be connected with the inner tube in the first pipe fitting 11, for above-mentioned
The first pipe fitting 11 and the second pipe fitting 13 carry out controlling curved operation；Control unit 52 then can convey 12 phase of pipe fitting with implantation material and be connected,
It is moved for controlling implantation material conveying pipe fitting 12 relative to the first pipe fitting 11, it such as can be defeated by control unit 52 and implantation material
It send the outer tube in pipe fitting 12 to be attached, to drive sheath to carry out stretching motion by driving the outer tube, and then realizes valve
The operation such as the loading of prosthese and release.
In another alternative embodiment, as shown in Fig. 1~2,3a~3b and 9, it is located at control handle 2 and implantation material is defeated
Send the second pipe fitting 13 between pipe fitting 12 that can use tubing identical with the material of inner tube 115；For example, second pipe fitting 13 can
For reinforcement polymer tube or the tubing such as metal tube with controllable bending, can also for metal multimode connecting tube or be provided with plus
The macromolecule tubing etc. of strong ring is controlled curved before right room and atrial septum, and then realizes and accurately position in order to realize, meanwhile, the
Two pipe fittings 13 can also prevent operator from carrying out the loading of valve prosthesis, are implanted into, release and recover etc. and touch in operating process
Implantation material conveys pipe fitting 12, to guarantee that the movement of implantation material conveying pipe fitting 12 is unaffected.
Conveying device in above-described embodiment by setting multiple sheath pipeline sections for sheath, and then can be effectively solved
The problem of sheath and curved inner tube for intervening valve (valve prosthesis) are interfered is realizing the precise positioning of intervention valve in vivo,
While improving operation precision, it is ensured that required concentricity requirement when access valve release, and then effectively promote intervention valve
Release quality.
Just the course of work of artificial valve conveying device is carried out detailed in conjunction with attached drawing 1~2,3a~3b and 9~10 below
It illustrates:
Firstly, the mode of electric drive or manual actuation can be used, control unit 52, which drives, on drive control handle 2 lives
Dynamic component is moved forward and backward, and then implantation material conveying pipe fitting 12 is made to carry out front and back shifting relative to the first pipe fitting 11 and the second pipe fitting 13
It is dynamic, i.e., expansion sheath 121 or the sheath 121 is made to carry out the movement such as shrinking, with realization to the loading of valve prosthesis 3 and subsequent
The operation such as release；Wherein, valve prosthesis 3 may include valve bracket 32 and the artificial valve that is arranged on the valve bracket 32
33, and one end on valve bracket 32 far from artificial valve 33 is provided with hangers 31 (as shown in figs. 3 and 10).
Specifically, when loading artificial valve 33, control handle 2 can be first passed through, implantation material is made to convey pipe fitting 12 to close
The direction for controlling handle 2 is mobile, until 121 front end face of sheath is located at fixing head 113 close to the side of control handle 2, forms Fig. 7
Shown in structure so that the groove 116 in fixing head 113 in the first pipe fitting 11 for secure valve prosthese 3 gives cruelly
Dew.Then, on the valve bracket 32 by valve prosthesis 3 hangers 31 one-to-one correspondence be stuck in above-mentioned groove 116 (reference can be made to
Figure 10), and after above-mentioned valve bracket 32 can be stablized by auxiliary tool, then outer tube 122 is driven to advance, and then successively driven remote
End sheath pipeline section 121c, centre sheath pipeline section 121d and proximal end sheath pipeline section 121e are fully deployed to form structure shown in fig. 5, so that sheath
The fully wrapped around firmly valve prosthesis 3 of pipe 121, and the front end face of the valve prosthesis 3 withstands 111 end face of conical head, is formed as shown in Figure 3
Structure, and then complete valve prosthesis 3 loading step；Wherein, sheath 121 is in the length being fully deployed equal to each sheath
The total length of Duan Zuhe.
In other alternative embodiments, for the ease of manufacturing and assembling the sheath with Telescopic, combine
Stability of the sheath when being fully deployed, the length of the sheath 121 in fully unfolded position can be slightly smaller than the length of each sheath pipeline section
The sum of degree, this partial-length slightly smaller than is between adjacent sheath pipeline section under fully unfolded position because connecting what needs were overlapped
Part.
Secondly, control valve prosthesis 3 loads the conveying device finished, after protruding into puncture orifice along seal wire (i.e. wire 21)
Into human body, and can along the vascular access of femoral vein so that implantation material conveying pipe fitting 12 in sheath 121 pass through atrial septum,
It is delivered at lesion annulus.Wherein, the transmission that conveying device is carried out by then passing through femoral vein, compared to such as apex of the heart path,
Its wound is smaller and audient is wider.
Then, after above-mentioned sheath 121 is transported to specified lesion locations, inner tube can be adjusted first with control handle 2
Angle recycles control handle 2 that above-mentioned sheath 121 is driven to shrink, so that sheath 121 is gradually received later with coaxial with annulus
Mutually nestable structure is shortened into, to discharge above-mentioned valve prosthesis 3 to designated position and be detached from the conveying device.Wherein, upper
During stating the release of valve prosthesis 3, it can be controlled by inner tube 115 curved come so that the delivery track after setting remains unchanged, in turn
Sheath 121 is kept to enter the stability of the concentricity of after the mitral valve and annulus.
Finally, above-mentioned valve prosthesis 3 completely release after, can by control handle 3 make sheath 121 be unfolded and with cone
Forming head 111 is closed (i.e. a part of conical head 111 is goed deep into the inner cavity of sheath 121), and withdraws defeated device to external, to complete
The replacement operator of entire artificial valve.Wherein, since sheath 121 includes multiple sheath pipeline sections being successively socketed, so in release valve
When film prosthese, the occupied space of sheath pipeline section of recession is greatly reduced compared to traditional occupied space of sheath, and then is made
Sheath can be easily by the bending channel recession in 115 inner cavity of inner tube, while the process also reduced in recession is internal
The generation for the problems such as pipe 115 controls curved influence, avoids the play caused by dropping back because of sheath 121, and then be conducive to maintain valve
The stability that prosthese 3 discharges.
It should be noted that artificial valve conveying device provided in the embodiment of the present application is equally applicable to such as actively
The behaviour such as loading, conveying and the releases of other implantation materials such as arteries and veins valve prosthesis, mitral valve prosthese, tricuspid valve prosthese
Make, the application is without limitation.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (17)
1. a kind of implantation material conveys pipe fitting, for loading and conveying implantation material, which is characterized in that the implantation material convey pipe fitting from
Proximal end successively includes: to distal end
Outer tube；And
Sheath, is set to the distal end of the outer tube, and the sheath is stretching structure, and its length with the outer tube in axial side
Upward movement and it is elongated in the axial direction or shorten.
2. conveying pipe fitting as described in claim 1, which is characterized in that the sheath includes the sheath of at least two movable connections
Pipeline section, and successively socket forms the stretching structure of tubular between adjacent sheath pipeline section.
3. conveying pipe fitting as claimed in claim 2, which is characterized in that the sheath pipeline section of at least two movable connection includes
Distal sheath pipeline section and proximal end sheath pipeline section, the internal diameter of the distal sheath pipeline section are greater than the internal diameter of the proximal end sheath pipeline section.
4. conveying pipe fitting as claimed in claim 3, which is characterized in that the proximal end of the distal sheath pipeline section is remote with the outer tube
End is fixedly connected, and the outer tube drives the distal sheath pipeline section mobile, and the distal sheath pipeline section drives remaining described sheath pipeline section
It is mobile, to realize that the sheath carries out stretching motion in the axial direction.
5. conveying pipe fitting as claimed in claim 3, which is characterized in that described when the sheath is in fully unfolded position
The length of sheath is less than or equal to the sum of the length of all sheath pipeline sections；When the sheath is in fully collapsed condition, the sheath
The length of pipe is greater than or equal to the length of the longest in all sheath pipeline sections.
6. conveying pipe fitting as claimed in claim 3, which is characterized in that the sheath pipeline section of at least two movable connection also wraps
Include the limiting component for being set to the proximal end of the proximal end sheath pipeline section.
7. conveying pipe fitting as claimed in claim 3, which is characterized in that be additionally provided with hardness reinforcement in the distal sheath pipeline section
Part, for reinforcing the hardness of the distal sheath pipeline section.
8. conveying pipe fitting as claimed in claim 2, which is characterized in that in the sheath pipeline section of at least two movable connection,
It is slidably connected between two adjacent sheath pipeline sections.
9. conveying pipe fitting as claimed in claim 8, which is characterized in that one in two adjacent sheath pipeline sections is provided with
The guide rail in axial direction extended, another in two adjacent sheath pipeline sections are provided with cunning corresponding with the guide rail
Block.
10. conveying pipe fitting as described in claim 1, which is characterized in that in the sheath pipeline section of at least two movable connection,
It is connected by way of static friction between two adjacent sheath pipeline sections.
11. conveying pipe fitting as described in claim 1, which is characterized in that the material of the sheath is metal.
12. conveying pipe fitting as claimed in claim 11, which is characterized in that the metal is marmem.
13. a kind of implantation material transportation system, for loading and conveying implantation material, which is characterized in that the implantation material transportation system
Proximally arriving distal end successively includes:
Control handle comprising ontology and control unit, the control unit are arranged on the body；And
Conduit, the implantation material including the first pipe fitting and as described in any one of claim 1 to 12 convey pipe fitting, the plant
Enter the outside that object conveying pipe fitting is sheathed on first pipe fitting；
Wherein, the ontology of the control handle is connected with first pipe fitting, the control unit of the control handle
The outer tube of part and the implantation material conveying pipe fitting is connected, for controlling the implantation material conveying pipe fitting relative to described the
The movement of one pipe fitting.
14. transportation system as claimed in claim 13, which is characterized in that when the implantation material conveys pipe fitting towards described first
When the distal movement of pipe fitting, the length of the sheath；When implantation material conveying pipe fitting is separate to first pipe fitting
When proximal end moves, the length of the sheath shortens；When implantation material conveying pipe fitting is kept in the axial direction with first pipe fitting
When relatively motionless, the length of the sheath is constant.
15. transportation system as claimed in claim 13, which is characterized in that first pipe fitting includes sequentially connected taper
Head, inner core tube, the inner tube of fixing head and controllable bending；Said inner tube is connected with the ontology of the control handle；
Wherein, the sheath in fully unfolded position is at least sheathed in the inner core tube and the fixing head, described outer
Pipe is at least sheathed in the said inner tube of part.
16. transportation system as claimed in claim 15, which is characterized in that offer in the fixing head for fixation implant
Groove.
17. transportation system as claimed in claim 13, which is characterized in that the conduit further include:
Second pipe fitting is sheathed on the proximal end of the implantation material conveying pipe fitting and conveys pipe fitting spaced radial with the implantation material
It opens；
Wherein, second pipe fitting is fixedly connected with the ontology of the control handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820888910.1U CN208974214U (en) | 2018-06-08 | 2018-06-08 | Implantation material conveys pipe fitting and implantation material transportation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820888910.1U CN208974214U (en) | 2018-06-08 | 2018-06-08 | Implantation material conveys pipe fitting and implantation material transportation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208974214U true CN208974214U (en) | 2019-06-14 |
Family
ID=66778933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820888910.1U Active CN208974214U (en) | 2018-06-08 | 2018-06-08 | Implantation material conveys pipe fitting and implantation material transportation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208974214U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019233353A1 (en) * | 2018-06-08 | 2019-12-12 | 上海微创心通医疗科技有限公司 | Implant delivery tube fitting and implant delivery system |
| CN111012548A (en) * | 2019-11-22 | 2020-04-17 | 沛嘉医疗科技(苏州)有限公司 | Trans-apical mitral valve conveying device |
| WO2021043022A1 (en) * | 2019-09-03 | 2021-03-11 | 上海微创心通医疗科技有限公司 | Medical implant conveying device |
| WO2022262110A1 (en) * | 2021-06-17 | 2022-12-22 | 上海臻亿医疗科技有限公司 | Implant delivery apparatus and implant delivery system |
-
2018
- 2018-06-08 CN CN201820888910.1U patent/CN208974214U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019233353A1 (en) * | 2018-06-08 | 2019-12-12 | 上海微创心通医疗科技有限公司 | Implant delivery tube fitting and implant delivery system |
| CN110575285A (en) * | 2018-06-08 | 2019-12-17 | 上海微创心通医疗科技有限公司 | Implant delivery tube and implant delivery system |
| US11911257B2 (en) | 2018-06-08 | 2024-02-27 | Shanghai Microport Cardioflow Medtech Co., Ltd. | Implant delivery tube fitting and implant delivery system |
| WO2021043022A1 (en) * | 2019-09-03 | 2021-03-11 | 上海微创心通医疗科技有限公司 | Medical implant conveying device |
| CN111012548A (en) * | 2019-11-22 | 2020-04-17 | 沛嘉医疗科技(苏州)有限公司 | Trans-apical mitral valve conveying device |
| WO2022262110A1 (en) * | 2021-06-17 | 2022-12-22 | 上海臻亿医疗科技有限公司 | Implant delivery apparatus and implant delivery system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208974214U (en) | Implantation material conveys pipe fitting and implantation material transportation system | |
| CN110996855B (en) | Steerable rail delivery system | |
| US9199348B2 (en) | Prosthetic valve crimping | |
| JP7198838B2 (en) | Implant delivery fittings and implant delivery systems | |
| EP1973497B1 (en) | Device for rapid repair of body conduits | |
| US8876878B2 (en) | Attachment mechanism for stent release | |
| US11918498B2 (en) | Internal iliac preservation devices and methods | |
| EP3328318B1 (en) | Valve delivery system with pinless release mechanism | |
| CN107405198A (en) | Heart valve prosthesis induction system and the method that heart valve prosthesis is conveyed with inducting device sheath | |
| CN105050540A (en) | Device and method for increasing flow through the left atrial appendage | |
| CN105007865A (en) | Stent-graft delivery system having a tip capture mechanism with elongated cables for gradual deployment and repositioning | |
| CN105078615A (en) | Inner tube assembly for implant delivery system | |
| CN103857361A (en) | Percutaneous heart valve delivery systems | |
| EP0752896A1 (en) | Method and apparatus for introducing a stent | |
| CN103037808A (en) | Transcatheter prosthetic heart valve delivery system with expandable stability tube | |
| US20170027688A1 (en) | Valve delivery system with pinless release mechanism | |
| US20230041152A1 (en) | Vascular treatment devices, systems, and methods of use | |
| CN113081389A (en) | Ascending aorta covered stent and conveying system assembly and using method thereof | |
| CN115300752B (en) | Conveying system of cardiovascular interventional therapy instrument, sheath tube and bending adjusting method thereof | |
| WO2020043204A1 (en) | Delivery device | |
| US20200360164A1 (en) | Stent delivery catheter system with a helicoid hypotube | |
| WO2019128773A1 (en) | Branch vessel stent | |
| CN217430253U (en) | Anti-embolism protection device | |
| CN214967138U (en) | Ascending aorta covered stent and conveying system assembly | |
| CN209678757U (en) | Conveying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |