CN110251273A - It is a kind of to convey valve preloaded system and device through conduit - Google Patents
It is a kind of to convey valve preloaded system and device through conduit Download PDFInfo
- Publication number
- CN110251273A CN110251273A CN201910435409.9A CN201910435409A CN110251273A CN 110251273 A CN110251273 A CN 110251273A CN 201910435409 A CN201910435409 A CN 201910435409A CN 110251273 A CN110251273 A CN 110251273A
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- China
- Prior art keywords
- shell
- valve
- compression chamber
- conduit
- chamber section
- Prior art date
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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
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in 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
- 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
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2427—Devices for manipulating or deploying heart valves during implantation
- A61F2/2436—Deployment by retracting a sheath
Abstract
The application, which is disclosed, conveys valve preloaded system and device through conduit, this includes first shell, second shell and pushing component through conduit conveying valve preloaded system and device, second shell is connect with first shell, first shell can be moved with respect to second shell, and second shell has the first compression chamber section and the second compression chamber section being connected；Pushing component a part is located in first shell, and another part exposes first shell, and pushing component can be moved with respect to first shell, and pushing component has hollow channel, and hollow channel is for conveying valve；Pushing component is compressed for pushing valve to enter the first compression chamber section, first shell is for pushing valve to compress into the second compression chamber section further progress, above structure is simplified and is stablized, reduce the process of valve squeeze operation, and personnel is facilitated to operate, valve transfer efficiency can be effectively promoted, the compressed time before valve is implanted into is reduced and reduces the time that valve scene loads, promotes the success rate of valve implantation.
Description
Technical field
It is this application involves technical field of medical equipment, in particular to a kind of to convey valve preloaded system and device through conduit.
Background technique
Valve is the membrane structure that can be opened and closed inside the organ of people or certain animals.In the blood circulation activity of heart
It plays an important role.After valve is impaired or lesion occurs, need to replace valve.
A kind of valve load mode is at present: wet valve being immersed in 6 DEG C of ice water below, by the tool of loading in ice water
In by profession load personnel on site operate completion.Dress valve work need to prepare ice water in advance, and the hand of professional loading personnel is because of one
It is in ice water in the section time, discomfort can be brought to operator's hand.In addition, operating process is relatively cumbersome, need by
The professional operator of special training completes, and the dress valve time is long, may jeopardize patient when meeting emergency, influence hand
Art quality.
Summary of the invention
The application provide it is a kind of through conduit convey valve preloaded system and device, with solve valve transfer efficiency it is low and implantation
The not high technical problem of success rate.
In order to solve the above technical problems, the application use a technical solution be to provide it is a kind of through conduit conveying valve it is pre-
Load System device, comprising:
First shell；
Second shell is connect with first shell, and first shell can be moved with respect to second shell, wherein second shell has
The the first compression chamber section and the second compression chamber section being connected；And
Pushing component, pushing component a part are located in first shell, and another part exposes first shell, and pushing component can
Opposite first shell moves, and pushing component has hollow channel, and hollow channel is for conveying valve；
Wherein, pushing component is compressed for pushing valve to enter the first compression chamber section, and first shell is for pushing valve
Film is compressed into the second compression chamber section further progress.
The beneficial effect of the application is: by the way that the first shell and second shell that can be movable relatively is arranged, and valve is pre-
It is loaded in the hollow channel of pushing component, so that pushing component can be moved with respect to first shell, pushing component is for pushing valve
Film enters the first compression chamber section and is compressed, and first shell is for pushing valve to enter the second compression chamber section further progress pressure
Contracting, above structure are simplified and are stablized, reduce the process of valve squeeze operation, and personnel is facilitated to operate, can effectively be promoted
Valve transfer efficiency, and then reduce the compressed time before valve is implanted into and reduce the time that valve scene loads, promote valve
The success rate of film implantation.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is structural schematic diagram of the application through conduit conveying one embodiment of valve preloaded system and device；
Fig. 2 is decomposition texture schematic diagram of the application through conduit conveying one embodiment of valve preloaded system and device；
Fig. 3 is the schematic cross-sectional view obtained using III-III as cutting line in Fig. 1；
Fig. 4 is the partial enlargement diagram of region IV in Fig. 3；
Fig. 5 is first shell structural schematic diagram of the application through conduit conveying one embodiment of valve preloaded system and device；
Fig. 6 is the schematic cross-sectional view obtained using VI-VI as cutting line in Fig. 5；
Fig. 7 is precompressed positioning mechanism structural representation of the application through conduit conveying one embodiment of valve preloaded system and device
Figure；
Fig. 8 is transfer bar mechanism structural schematic diagram of the application through conduit conveying one embodiment of valve preloaded system and device.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiment is only one point of embodiment of the application, rather than the embodiment of full part.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment belongs to the range of the application protection.
The loading of valve is divided into that dry valve loads and wet valve loads, and a kind of device mode of dry valve is that valve is finished in production
Using preceding this period, entire valve is compressed in inside sheath always, can shadow since valve bracket is compressed for a long time
The restorability for ringing bracket, i.e., can not be restored to the size model number of setting in the outer diameter of human body temperature lower bracket, influence to be implanted to
Power and valve performance；Secondly, leaflet part is because through compression after a period of time, leaflet part can become very fold, rehydration
Fold caused by compression can not be also eliminated afterwards, so that influencing the opening and closing form of valve and the service life of valve after implantation.In addition,
It is implanted into the surgical procedure of valve in some scenes, such as to patient, due to field condition complexity, valve is possible to not be one
Secondary implantation successfully or can need to be implanted into different valves etc., therefore, it is necessary to carry out the loading of multiple valve, and repeatedly into
Row implantation if all consuming the too many time in loading process every time, then can make the life of patient so as to final implantation success
At threat.
Therefore, the application, which is provided, conveys valve preloaded system and device embodiment through conduit, is the application warp referring to Fig. 1
Conduit conveys the structural schematic diagram of 100 1 embodiment of valve preloaded system and device, and in conjunction with Fig. 2, this is pre- through conduit conveying valve
Load System device 100 includes first shell 10, second shell 20, pushing component 30, guide wire 50, locating ring 60 and conveying group
Part 70.
Fig. 3 is combined together, and first shell 10 is hollow setting, for accommodating at least partly other components (such as promotion group
Part 30 etc.).Second shell 20 is connect with first shell 10, and first shell 10 can be moved with respect to second shell 20, and motion mode can
To be sliding, spring transmission, Pneumatic Transmission or helical rotation etc..Wherein, second shell 20 has first to be connected
Compression chamber section 221 and the second compression chamber section 222.The width of first compression chamber section 221 and the second compression chamber section 222 is along the first compression
It is sequentially reduced on the direction of 221 to the second compression chamber section 222 of chamber section.First shell 10 and second shell 20 can be plastics, resistance to
The materials such as the metal or metal alloy of corrosion are made, for example, can be PTFE (Poly tetra fluoroethylene, gather
Tetrafluoroethene) etc. be made, be specifically not limited thereto.
Term " first ", " second " in the application are used for description purposes only, and are not understood to indicate or imply opposite
Importance or the quantity for implicitly indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be bright
Show or implicitly include at least one this feature.In addition, the technical solution between each embodiment can be combined with each other, still
Must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occur it is conflicting or can not be real
Now it will be understood that the combination of this technical solution is not present, also not this application claims protection scope within.
30 a part of pushing component is located in first shell 10, and another part exposes first shell 10.Expose first shell
The be convenient to operation finger of personnel of 10 part pinches, and the part in first shell 10 can be used for driving valve 40 to enter the
One compression chamber section 221.Pushing component 30 can be moved with respect to first shell 10, and motion mode can be sliding etc..The direction of motion can
To be along first shell 10 to second shell 20.Pushing component 30 has hollow channel 31.Hollow channel 31 is for conveying valve
40 namely valve 40 can be moved in hollow channel 31.Further, pushing component 30 is for pushing valve 40 to enter the first pressure
Contracting chamber section 221 is compressed.First shell 10 is compressed for pushing valve 40 to enter 222 further progress of the second compression chamber section.
It is appreciated that valve 40 is in uncompressed state at the beginning, which is located at the first compression chamber
221 sides far from the second compression chamber section 222 of section.When needing to compress this section of valve 40, since pushing component 30 can
Opposite first shell 10 moves, so pushing pushing component 30 that valve 40 can be made to be pressed into the first compression chamber section 221
Contracting.Since first shell 10 can be with respect to 20 relative motion of second shell, driving first shell 10 is moved towards second shell 20,
The valve 40 for being located at the first compression chamber section 221 can be pushed into the second compression chamber section 222 further to be compressed, so far valve
40 compressions are completed, such as compression enters in conveying assembly 70.After the completion of valve 40 compresses, along the second compression chamber section 222 to the first
The direction (i.e. the direction opposite with compression) of compression chamber section 221 extracts valve 40 out out of hollow channel 31, and then can will press
The valve 40 to have contracted for required for being implanted into patient body.
By the way that the first compression chamber section 221 and the second compression chamber section 222, and first shell 10 are arranged in second shell 20
It can be moved with respect to second shell 20, pushing component 30 can be moved with respect to first shell 10, and pushing component 30 has hollow channel
31 for conveying valve 40, so that the substep compression of pushing component 30 and the realization of first shell 10 to valve 40 is operated respectively, on
It states structure and simplifies stabilization, reduce the process of 40 squeeze operation of valve, and personnel is facilitated to operate, can effectively promote valve 40
Transfer efficiency, and then reduce the compressed time before valve 40 is implanted into and reduce the time that 40 scene of valve loads, promote valve
The success rate that film 40 is implanted into.
In addition, when needing repeatedly to carry out valve 40 to be implanted into, need to only reuse one it is new pre- through conduit conveying valve
Load System device, since operating process required time of each device to 40 compression loaded of valve is very short,
During repeatedly carrying out the implantation of valve 40, the time of 40 compression loaded of valve can be effectively reduced, and then reduce multiple valves
The time required to 40 implantation process, the excessive and hidden danger to patient's bring life danger of time loss is effectively reduced.
Optionally, first shell 10 can be slidably connected with second shell 20 to be coaxial.Such as in 20 appearance of second shell
Dragging track is arranged in face, and track can extend along the axis of second shell 20, and sliding block, track is arranged in the inner surface of first shell 10
It is not specifically limited herein with the quantity of sliding block, is slidably connected as long as can satisfy, realized by sliding block and track cooperation
First shell 10 and second shell 20 are slidably connected.The position of certain sliding block and dragging track also can be interchanged, that is, the
Sliding shape track is arranged in the inner surface of one 10 pairs of shell, and sliding block is arranged in the outer surface of second shell 20.It can be with by being slidably connected
Realize quick movement of the first shell 10 with respect to second shell 20.
Optionally, refering to 2 and Fig. 3, first shell 10 is to connect with axial screw with second shell 20.It is appreciated that the
The inner surface of one shell 10 is provided with internal screw thread 111 in the axial direction, and internal screw thread 111 is located in entire inner surface.Second shell
20 outer surface is equipped with external screw thread 23, and external screw thread 23 is located at second shell 20 adjacent to one end of first shell 10, and external screw thread 23
First shell 10 and second may be implemented by the matching of internal screw thread 111 and external screw thread 23 less than 111 quantity of internal screw thread in quantity
The same axial screw of shell 20 connects, so as to realize first shell 10 with respect to second shell 20 by rotation first shell 10
Horizontal movement, and first shell 10 can be made more stable with respect to the horizontal movement of second shell 20.
In some embodiments, together refering to Fig. 5 and Fig. 6, first shell 10 may include the first outer cylinder 11, the first inner cylinder 12
And first annular end wall 13.First inner cylinder 12 is located at the inside of the first outer cylinder 11, and the length of the first inner cylinder 12 is smaller than first
The length of outer cylinder 11.The outer peripheral edge of first annular end wall 13 and inner peripheral are connect with the first outer cylinder 11 and the first inner cylinder 12 respectively.
That is, the outer peripheral edge of first annular end wall 13 is connect with the first outer cylinder 11, the inner peripheral of first annular end wall 13 and the first inner cylinder 12
Connection.First annular end wall 13, the first outer cylinder 11 and the first inner cylinder 12 can be integrated molding.Or first annular end wall
13, the first outer cylinder 11 and the first inner cylinder 12 can be seperated splicing (or bonding) and form, and specifically be not limited thereto.
Optionally, with continued reference to Fig. 5 and Fig. 6, a plurality of reinforcing rib 112, each reinforcement is arranged in the outer surface of the first outer cylinder 11
Muscle 112 can extend along the axis of the first outer cylinder 11, and each reinforcing rib 112 is along the circumferentially distributed of the first outer cylinder 11.Certain first
Reinforcing rib 112 is also possible to other shapes, such as arc-shaped perhaps point block shape etc. or the first reinforcing rib 112 is also possible to it
It is distributed, such as axial distribution along the first outer cylinder 11 or random spot distribution etc., is specifically not limited thereto.Outside first
11 outer surface middle positions of cylinder can be set to recess close to intermediate position, which can be used for placement operation personnel
Finger.The intensity of the first outer cylinder 11 can be enhanced in reinforcing rib 112, and the recess of the first outer cylinder 11 can be convenient operator's
Finger grip, the frictional force when finger and the first outer cylinder 11 that in addition aforesaid way can also increase operator contact are reduced
The probability of opposite sliding occurs when holding first shell 10.
Optionally, refering to Fig. 3, second shell 20 may include the second outer cylinder 21 and the second inner cylinder 22.Second inner cylinder 22 is set
It is placed in the second outer cylinder 21, the second outer cylinder 21 and the second inner cylinder 22 can be integrated molding or splice (or bonding etc.) and form
Deng.The inner cavity of second inner cylinder 22 constitutes the first compression chamber section 221 and the second compression chamber section 222.The outer surface of second outer cylinder 21 with
The inner surface threaded engagement of first outer cylinder 11.That is, 21 outer surface of the second outer cylinder is provided with external screw thread 23, the interior table of the first outer cylinder
Face is provided with internal screw thread 111.
First compression chamber section 221 is additionally provided with excess compression chamber section 223 close to the side of first shell 10, the excess compression chamber
Section 223 can be located at the junction of the second outer cylinder 21 and the second inner cylinder 22, and excess compression chamber section 223 is not pressed for accommodating to be in
The valve 40 of contracting state.One end of second outer cylinder 21 is equipped with boss 211, i.e. boss 211 is located at the second outer cylinder 21 and pushing component
30 opposite one end, boss 211 abut the first outer cylinder 11 for limiting.It is appreciated that first shell 10 is with respect to second shell 20
When movement, when the first outer cylinder 11 abutting to boss 211, first shell 10 does not continue to move towards opposite second shell 20.It is logical
Aforesaid way is crossed, when the second compression chamber section 222 compresses valve 40, valve 40 can be released into the second pressure to avoid first shell 10
Contracting chamber section 222.
In some embodiments, refering to Fig. 2 and Fig. 7, pushing component 30 may also include precompressed positioning mechanism 32 and push rod
Mechanism 33.Precompressed positioning mechanism 32 can be abutted with transfer bar mechanism 33.Wherein, precompressed positioning mechanism 32 may include precompressed end plate 321,
Pre- pressure cylinder 322 and multi-disc muscle bit slice 323.Pre- pressure cylinder 322 is connect with precompressed end plate 321 and court deviates from the side of transfer bar mechanism 32
Extend.Multi-disc muscle bit slice 323 is separately connected pre- pressure cylinder 322 and precompressed end plate 321, and the quantity of muscle bit slice 323 can be 3,4
Or 5 etc..Muscle bit slice 323 can be the circumferential array along pre- pressure cylinder 322, so as to enhance the strong of precompressed positioning mechanism 32
Degree.
Precompressed end plate 321, pre- pressure cylinder 322 and muti-piece muscle bit slice 323 can be integrated molding or splicing (or bonding
Deng) fixation form.Precompressed end plate 321 and pre- pressure cylinder 322 constitute the second part 312 namely precompressed end plate 321 of hollow channel 31
Center be equipped with through-hole, pre- pressure cylinder 322 be equipped with hollow passageway, through-hole be connected to hollow passageway constitute hollow channel 31 second part
312。
Optionally, in conjunction with refering to Fig. 3, the width of the junction inner wall of the second inner cylinder 22 and the second outer cylinder 21 is along the first compression
The direction of 221 to the second compression chamber section 222 of chamber section is first constant and then reduces, i.e., the width of excess compression chamber section 223 is along the first pressure
The direction of 221 to the second compression chamber section 222 of contracting chamber section is first constant and then is sequentially reduced.The width of muscle bit slice 323 is along the first compression
The direction of 221 to the second compression chamber section 222 of chamber section is first constant and then reduces, the junction of the second inner cylinder 22 and the second outer cylinder 21
Inner wall is for abutting muscle bit slice 323.By the above-mentioned means, when muscle bit slice 323 can be made to enter excess compression chamber section 223, muscle
Bit slice 323 is abutted with the inner wall of the second inner cylinder 22, and then can abut precompressed positioning mechanism 32, and prevents precompressed positioning mechanism 32
Into the first compression chamber section 221.
In some embodiments, refering to Fig. 2 and Fig. 8, transfer bar mechanism 33 may include push plate 331, more push rods 332 and push away
Bar auxiliary 333.332 one end of push rod connects push plate 331, and the other end connects push rod auxiliary 333.Push rod 332 can be with push plate 331
Integrated molding or bonding connection etc. can be bonding connection etc. between push rod 332 and push rod auxiliary 333.Wherein push rod is auxiliary
Part 333 is for facilitating the finger of operator to pinch, correspondingly, also knurling structure can be arranged in the outer surface of push rod auxiliary 333
With increasing friction force or other shapes for facilitating operator's crawl, such as 333 outer surface center indent of push rod auxiliary
Deng.Push plate 331 is abutted with precompressed end plate 321, when operator pinches push rod auxiliary 333 toward first shell 10 to second shell 20
Direction push push plate 331 when, so as to drive 321 horizontal movement of precompressed end plate.
Push plate 33, push rod 332 and push rod auxiliary 333 constitute the first part 311 of hollow channel 31.It is appreciated that push plate
331 centers are equipped with through-hole.Push rod 332 can be more, such as can be two or three etc., and more push rods 332 are enclosed and are set as
Hollow passageway, 333 center of push rod auxiliary also are provided with hollow passageway, and through-hole is connected to hollow passageway constitutes the first of hollow channel 31
Part 311.
Optionally, refering to Fig. 5, first annular end wall 13 is additionally provided with multiple arcs through-hole.It is appreciated that the number of arc-shaped through-hole
It measures identical as the quantity of push rod 322.Push rod 322 can wear arc-shaped through-hole, and the first inner cylinder 12 is located at first of hollow channel 31
Divide in 311, so as to realize that push rod 332 is moved with respect to first shell 10, on the other hand, since the first inner cylinder 12 is positioned at hollow
In channel 31, therefore when push rod 332 is moved with respect to first shell 10, first shell 10 itself can't be moved.
In some embodiments, referring to Fig.2, may also include through conduit conveying valve preloaded system and device 100 hollow
Guide wire 50.Fig. 3, Fig. 4, Fig. 7 and Fig. 8 are combined together, and 50 one end of guide wire is arranged in the second part 312 of hollow channel 31
Interior, the other end is arranged in the first inner cylinder 12.Flange platform 51 is additionally provided on guide wire 50, flange platform 51 is used for and the first inner cylinder 12
End wall abuts.Guide wire 50 is for accommodating valve 40.When first shell 10 is moved with respect to second shell 20, such as first shell
When 10 opposite second shells 20 are slided, the first inner cylinder 12 can be abutted with flange platform 51, so as to drive guide wire 50 into the
Two compression chamber sections 222, and then realize the further compression to valve 40.
Optionally, with continued reference to Fig. 4, it may also include locating ring 60 through conduit conveying valve preloaded system and device 100.It is fixed
Position circle 60 can be sheathed on guide wire 50 and between flange platform 51 and the first inner cylinder 12.In application scenes, such as
First shell 10 is to connect with axial screw with second shell 20, when rotating the first 11 opposite movement of second shell 20 of outer cylinder,
First inner cylinder 12 also rotates synchronously, so as to move guide wire 50 toward the second compression chamber section.If without locating ring 60,
Guide wire 50 can also rotate, so that valve 40 can be made to rotate, and then damage to valve 40.Therefore, it positions
Circle 60 with the end wall of the first inner cylinder 12 between flange platform 51 and the first inner cylinder 12 and for abutting, when the first outer cylinder 11 of rotation
When opposite second shell 20 moves, flange platform 51 is not abutted with the end wall of the first inner cylinder 12 directly, and guide wire 50 does not rotate,
Therefore valve 40 can be effectively reduced and enter probability impaired when the compression of the second compression chamber section 222.
In some embodiments, refering to Fig. 2 and Fig. 3, may also include through conduit conveying valve preloaded system and device 100 defeated
Sending component 70.Conveying assembly 70 can be arranged in guide wire 50 and hollow channel 31.Conveying assembly 70 may also include valve 40.Valve
40 can be dry valve etc..Valve 40 is to be pre-loaded with to conveying assembly 70, and wherein 40 a part of valve is located at conveying assembly 70
Inside, another part exposes in the outside of conveying assembly 70, and it is unfolded state that valve 40, which exposes the part of conveying assembly 70,.
It is appreciated that valve 40 wears guide wire 50 and hollow channel 31 by conveying assembly 70 before not being implanted into valve 40, then by
First shell 10 and the sealing of second shell 20 are saved, and since valve 40 is half unfolded state, avoid the entirely quilt of valve 40
It is compressed in conveying assembly 70.
Fig. 4 is combined together, and conveying assembly 70 may also include sheath 71, connecting rod 72 and seal head 73.Sheath 71 is arranged in
Guide wire 50 and hollow channel 31, sheath 71 is for accommodating valve 40.72 one end of connecting rod connects seal head 73, other end connecting utricle
Pipe 71, seal head 73 can be olive shape or cone etc., as long as can be sealed to the opening of sheath 71.Connecting rod
72 can drive seal head 73 to move with respect to sheath 71 for sealing to sheath 71.Valve 40 is in 222 internal pressure of the second compression chamber section
It is (i.e. opposite with compression along the direction of 222 to the first compression chamber section 221 of the second compression chamber section by drive link 72 after the completion of contracting
Direction) movement completes the compression to valve 40 and encapsulates so as to be brought valve 40 in sheath 71 by seal head 73.
Can enter in sheath 71 to avoid dust or steam etc. through the above way, effectively reduce valve 40 positioned at sheath 71 by
The probability of pollution.
Below with reference to associated scenario to being retouched through conduit conveying valve preloaded system and device 100 in above-described embodiment
It states, it will be understood that the application is to be pre-loaded with to defeated through the valve 40 in conduit conveying valve preloaded system and device 100
In sending component 70, conveying assembly 70 is located in the hollow channel 31 being readily transported, and valve 40 at this time is half unfoldable shape, should be partly
The valve 40 of unfoldable shape is located in precommpression chamber section and opposite precompressed positioning mechanism 32 exposes, the part position undeployed of valve 40
In by conveying assembly 70 and it is located in hollow channel 31.When not needing using valve 40, valve 40 is opened up with this half always
Open form state saves, and does not need using ice water or physiological saline etc..When needing using valve 40, namely need toward patient
When Deng being implanted into valve 40, following relevant operation is carried out:
The first shell 10 firstly, hand of operator is held steadily, another hand pinch precompressed push rod auxiliary 333 and are pushed away
It is dynamic.It cannot be pushed away again namely the inner wall of muscle bit slice 323 and the second inner cylinder 22 (close to excess compression chamber section 223) abuts when being pushed to,
The valve 40 of half unfoldable shape is compressed in the first compression chamber section 221 at this time.Then it (is pinched before this with a hand again
The hand of push rod auxiliary 333 can be decontroled) second shell of holding steadily 20, with an other hand-drive (such as can be rotation) first shell
Body 10, the first inner cylinder 12 drive guide wire 50 to enter the second compression chamber section 222, therefore, the valve in the first compression chamber section 221
Film 40 is pushed into the compression of 222 further progress of the second compression chamber section, (the i.e. rotation row when first shell 10 is abutted with boss 211
Journey terminates), the compression of the second compression chamber section 222 is completed.Finally, the connecting rod 72 and seal head 73 of driving conveying assembly 70, pass through
Valve 40 is promoted in sheath 71, then entire conveying assembly 70 is taken out out of second shell 20 and first shell 10 by seal head 73
Out, so far in the compression encapsulation to conveying assembly 70 of valve 40 of half unfoldable shape, the valve 40 in conveying assembly 70 can be used for planting
Enter in patient body.When primary implantation not necessarily succeeds, or when needing to be implanted into different valves 40, need to only re-replace
One new to re-start aforesaid operations process through conduit conveying valve device valve preloaded system and device 100.
In aforesaid way, 40 squeeze operation process of valve is simple (only needing one to push away a rotation one pumping can be completed), and is not required to
The complex conditions such as ice water low temperature are wanted, in addition it can avoid valve 40 from being integrally compressed in sheath 71, and aforesaid operations stream
Journey reduces the compressed time of valve 40 and reduces the time that 40 scene of valve loads, to be conducive to promote valve 40
Restorability, and then be able to ascend valve 40 implantation success rate.In addition, when needing repeatedly to carry out valve 40 to be implanted into, only
Need to reuse one it is new convey valve preloaded system and device through conduit, filled since each device compresses valve 40
It is all very short the time required to the operating process of load, therefore during repeatedly carrying out the implantation of valve 40, valve can be effectively reduced
Time of 40 compression loadeds, and then the time required to reducing multiple 40 implantation process of valve, effectively reduce time loss it is excessive and
To the hidden danger of patient's bring life danger.
The foregoing is merely presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize this
Equivalent structure or equivalent flow shift made by application specification and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of convey valve preloaded system and device through conduit characterized by comprising
First shell；
Second shell is connect with the first shell, and the first shell can second shell movement relatively, wherein described
Second shell has the first compression chamber section and the second compression chamber section being connected；And
Pushing component, described pushing component a part are located in the first shell, and another part exposes the first shell, institute
State pushing component can first shell movement relatively, the pushing component has hollow channel, and the hollow channel is for defeated
Send valve；
Wherein, the pushing component is compressed for pushing the valve to enter the first compression chamber section, the first shell
Body is for pushing the valve to compress into the second compression chamber section further progress.
2. according to claim 1 convey valve preloaded system and device through conduit, which is characterized in that the first shell
It is coaxial be slidably connected with the second shell；Or the first shell and the second shell are to connect with axial screw
It connects.
3. according to claim 2 convey valve preloaded system and device through conduit, which is characterized in that the first shell
Including the first outer cylinder, the first inner cylinder and first annular end wall, first inner cylinder is located at the inside of first outer cylinder, described
The outer peripheral edge of first annular end wall and inner peripheral are connect with first outer cylinder and first inner cylinder respectively；
The second shell includes the second outer cylinder and the second inner cylinder, and second inner cylinder is set in second outer cylinder, institute
The inner cavity for stating the second inner cylinder constitutes the first compression chamber section and the second compression chamber section, second outer cylinder outer surface and institute
The inner surface threaded engagement of the first outer cylinder is stated, one end of second outer cylinder is equipped with boss, and the boss abuts institute for limiting
State the first outer cylinder.
4. according to claim 3 convey valve preloaded system and device through conduit, which is characterized in that the pushing component
Including precompressed positioning mechanism and transfer bar mechanism, the precompressed positioning mechanism is abutted with the transfer bar mechanism, wherein the precompressed
Positioning mechanism includes precompressed end plate, pre- pressure cylinder and multi-disc muscle bit slice, the pre- pressure cylinder and the precompressed end plate connection and towards back
Side from the transfer bar mechanism extends, and the muscle bit slice connects the pre- pressure cylinder and the precompressed end plate, the transfer bar mechanism
Including push plate, more push rods and push rod auxiliary, described push rod one end connects the push plate, and it is auxiliary that the other end connects the push rod
Part, the push plate are abutted with the precompressed end plate, and the push plate, the push rod and the push rod auxiliary constitute the hollow channel
First part, the precompressed end plate and the pre- pressure cylinder constitute the second part of the hollow channel, wherein first ring
Shape end wall is additionally provided with multiple arcs through-hole, and the push rod wears the arc-shaped through-hole, and first inner cylinder is located at described hollow logical
In the first part in road.
5. according to claim 4 convey valve preloaded system and device through conduit, which is characterized in that described defeated through conduit
Sending valve preloaded system and device further includes hollow guide wire, and described guide wire one end is arranged in the second of the hollow channel
In part, the other end is arranged in first inner cylinder, is additionally provided with flange platform on the guide wire, the flange platform be used for it is described
The end wall of first inner cylinder abuts.
6. according to claim 5 convey valve preloaded system and device through conduit, which is characterized in that described defeated through conduit
Sending valve preloaded system and device further includes locating ring, and the locating ring is sheathed on the guide wire and is located at the flange platform
Between first inner cylinder.
7. according to claim 1-6 convey valve preloaded system and device through conduit, which is characterized in that described
It further include conveying assembly through conduit conveying valve preloaded system and device, the conveying assembly is arranged in the guide wire and described
The first part of hollow channel, wherein the conveying assembly further includes valve, and described valve a part is located at the conveying assembly
Inside, another part exposes in the outside of the conveying assembly, and the valve exposes the part of the conveying assembly for exhibition
Open state.
8. according to claim 7 convey valve preloaded system and device through conduit, which is characterized in that the conveying assembly
Including sheath, connecting rod and seal head, the sheath is arranged in the first part of the guide wire and the hollow channel, described
Sheath connects the seal head for accommodating the valve, described connecting rod one end, and the other end connects the sheath, and the connecting rod can
Drive the relatively described sheath movement of the seal head for the sheath seal of tube.
9. according to claim 4 convey valve preloaded system and device through conduit, which is characterized in that second inner cylinder
It is first along the direction of the first compression chamber section to the second compression chamber section with the width of the junction inner wall of second outer cylinder
Constant and then reduction, the width of the muscle bit slice are first constant along the direction of the first compression chamber section to the second compression chamber section
Then reduce, second inner cylinder is with the inner wall of the junction of second outer cylinder for abutting the muscle bit slice.
10. according to claim 9 convey valve preloaded system and device through conduit, which is characterized in that outside described first
The outer surface of cylinder is equipped with a plurality of reinforcing rib.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910435409.9A CN110251273B (en) | 2019-05-23 | 2019-05-23 | Transcatheter valve delivery preloading system device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910435409.9A CN110251273B (en) | 2019-05-23 | 2019-05-23 | Transcatheter valve delivery preloading system device |
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| CN110251273A true CN110251273A (en) | 2019-09-20 |
| CN110251273B CN110251273B (en) | 2022-09-13 |
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Cited By (1)
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|---|---|---|---|---|
| WO2022089745A1 (en) * | 2020-10-29 | 2022-05-05 | Clearstream Technologies Limited | Connector for transfer of an implant to a cathether |
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|---|---|
| CN110251273B (en) | 2022-09-13 |
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