CN106667539B - A kind of interventional systems loaded after isolating device - Google Patents
A kind of interventional systems loaded after isolating device Download PDFInfo
- Publication number
- CN106667539B CN106667539B CN201710021217.4A CN201710021217A CN106667539B CN 106667539 B CN106667539 B CN 106667539B CN 201710021217 A CN201710021217 A CN 201710021217A CN 106667539 B CN106667539 B CN 106667539B
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- China
- Prior art keywords
- isolating device
- sheath
- outer tube
- catching apparatus
- break catching
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12122—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder within the heart
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B2017/1205—Introduction devices
Abstract
The present invention relates to the interventional systems loaded after a kind of isolating device, including implant system and recovery system；The implant system includes sheath, and the conveyer conveyed in sheath to isolating device；The recovery system includes the recyclable device and break catching apparatus for being conveyed in sheath, and the recyclable device includes the recycling conduit conveyed in sheath, and the mandril for being used to withstand the isolating device in recycling conduit；The recyclable device, break catching apparatus are configured as: when isolating device release is unsuccessful, then being conveyed the break catching apparatus, recyclable device in sheath, grabbed, collected with the suture to isolating device.Interventional systems of the invention can recycle isolating device to avoid by the way of surgical operation, and the damage to patient is reduced.
Description
Technical field
The present invention relates to medical instruments fields, specifically, being related specifically to a kind of implementation heart isolating device intervention hand
The interventional systems loaded after the instrument of art more particularly to a kind of isolating device.
Background technique
Cardiopathic in recent years treat has significant progress, but the mental and physical efforts as one of the final final result of all heart diseases
Failure but threatens human health always.The reason of leading to heart failure, is numerous, and one of most common cause of disease is Acute myocardial stalk
Extremely.Acute myocardial infarction AMI leads to the generation of Heart enlargement and heart failure, especially due to myocardial damage and subsequent scarring
It is patient's more easily generation heart failure that Anterior wall myocardial infarction merges aneurysm, not only influences the quality of life of patient, also
Cause the financial burden of huge family and society.
In order to treat heart disease, especially congestive heart failure, a kind of potential treatment method is in patient's left ventricle
It is implanted into a kind of isolating device of umbrella, CN103800045A provides a kind of medical heart isolating device comprising support frame
And pedestal, support frame as described above by it is multiple can developing apparatus, multiple fixed points, multiple umbrella frame shape poles and multiple cambered surfaces constitute,
Middle each adjacent two umbrella frame shape pole by cambered surface connect and compose be inverted umbrella shape support frame and support frame umbrella along surrounding to
It turns up, the corresponding fixed point of one end of umbrella frame shape pole connection and fixed point ride over the umbrella of support frame along upper, on each fixed point
Equipped with can developing apparatus, be covered with macromolecule isolation film, the bottom of support frame and pedestal on each umbrella frame shape pole and fixed point
Connection, the bottom of pedestal are in a plane.
The isolating device can be conveyed with sheath and transportation system into human heart by percutaneous intervening mode, be changed
The heart function of kind remodeling ventricle and patient.But when occurring, implantation position is improper, product size is too small to expire at the time of surgery,
Pedopathy becomes demand or when other reason, it is necessary to isolating device is taken out by way of surgical operation, this to patient with
Biggish wound is carried out.
Summary of the invention
It is an object of the present invention to provide the interventional systems loaded after a kind of isolating device.
According to an aspect of the present invention, the interventional systems loaded after a kind of isolating device, the isolating device packet are provided
The suture for collecting and the end of a thread of connection are included, the interventional systems include implant system and recovery system；The plant
Entering system includes sheath, and the conveyer conveyed in sheath to isolating device；
The recovery system includes: the recyclable device and break catching apparatus for being conveyed in sheath, in which:
The recyclable device includes the recycling conduit conveyed in sheath, and is used to withstand institute in recycling conduit
State the mandril of isolating device；
The recyclable device, break catching apparatus are configured as: when isolating device release is unsuccessful, then institute are conveyed in sheath
Break catching apparatus, recyclable device are stated, grabbed, collected with the suture to isolating device.
Optionally, in the recyclable device, flexible flaring structure, the expansion are set in the distal end of the recycling conduit
Mouth structure is configured as: discharging the flaring structure when flaring structure stretches out sheath；When flaring structure is located in sheath, institute
Flaring structure is stated to be compressed in the sheath.
Optionally, fast exchange mouth is additionally provided in the side wall of the recycling conduit.
Optionally, the fast exchange opening's edge recycling conduit it is axially extending.
Optionally, the break catching apparatus includes the center generally within isolating device and has proximally and distally outer
Pipe, further includes the locking seal wire protruded into from proximal outer tube, and the position that the locking seal wire stretches out distal outer tube has towards outside
Curved bending section is provided with coupler body in the distal end of the locking seal wire, and the coupler body is configured by bending section to isolating device
Suture line position, and the bending section be configured as pull back lock seal wire when, the bending section is deformed into the shape with outer tube
Matching.
Optionally, the hardness of the locking seal wire upper hook body is greater than the hardness of remaining position on locking seal wire.
Optionally, the coupler body on the locking seal wire uses different materials from remaining position.
Optionally, the mandril and break catching apparatus convey in the same chamber of recycling conduit.
Optionally, the recycling conduit has multiple along the axially extending chambers of recycling conduits, the mandril and arrests
Device conveys in the different chamber of recycling conduit.
Optionally, the end of the conveyer is provided with the threaded joints for being threadedly coupled with isolating device.
Interventional systems of the invention then convey recyclable device and are grabbed in sheath when isolating device release is unsuccessful
Device for catching grabs the suture of isolating device, is collected, to complete the recycling to isolating device.Intervention of the invention
System can recycle isolating device to avoid by the way of surgical operation, and the damage to patient is reduced.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
The attached drawing for constituting part of specification describes the embodiment of the present invention, and together with the description for solving
Release the principle of the present invention.
Fig. 1 is the structural schematic diagram of isolating device in the prior art.
Fig. 2 is the operation chart of recovery system of the present invention.
Fig. 3 is the structural schematic diagram of recyclable device of the present invention.
Fig. 4 is the cooperation figure of the first embodiment break catching apparatus and isolating device of the invention.
Fig. 5 is the partial enlarged view that break catching apparatus is located at gap position in Fig. 4.
Fig. 6 is the partial enlarged view of break catching apparatus another kind preferred embodiment in Fig. 4.
Fig. 7 is the cooperation figure of second of embodiment break catching apparatus and isolating device of the invention.
Fig. 8 is the structural schematic diagram of the third embodiment break catching apparatus of the invention.
Fig. 9 is the structural schematic diagram of the third another angle of embodiment break catching apparatus of the invention.
Figure 10 is the structural schematic diagram of the 4th kind of embodiment break catching apparatus of the invention.
Figure 11 is the structural schematic diagram that seal wire is locked in Figure 10.
Figure 12 is the structural schematic diagram of the 5th kind of embodiment break catching apparatus of the invention.
Figure 13 is schematic diagram of the recovery system of the present invention when recycling isolating device.
Figure 14 is the schematic diagram that interventional systems of the present invention are constituted.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology and equipment known to person of ordinary skill in the relevant may be not discussed in detail, but in appropriate situation
Under, the technology and equipment should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Fig. 1 shows the structural schematic diagram of isolating device 1 in the prior art, which includes being supported on pedestal 1b
The umbrella-shaped structure of top, the umbrella-shaped structure include the multiple support rods circumferentially arranged, the shape of multiple support rod arrangement
Similar umbrella rib structure.It further include the film 1a being fixed on multiple support rod, the film 1a is under the supporting role of support rod, shape
The umbrella-shaped structure gradually opened at closed at one end, one end.Marginal position in the open end the film 1a is provided with circle suture
The both ends of line 1c, suture 1c link together, and form the end of a thread 1d.It is of course also possible to which the tip position in suture 1c is logical
It crosses knotting or other way well-known to those skilled in the art forms the end of a thread 1d expanded.Herein it should be noted that line
It is multiple that head 1d can according to need setting.The open end of film 1a can be collected by suture 1c.This isolating device 1
Structure and its working principle belong to the common knowledge of those skilled in the art, no longer illustrate herein.
The present invention is to provide a kind of interventional systems that above-mentioned isolating device 1 is implanted into heart corresponding position comprising plants
Enter system and recovery system.Above-mentioned isolating device 1 can be implanted into the corresponding position of ventricle 2 by implant system, so that its
It plays a role, with reference to Fig. 2；When needing to take out it from ventricle 2, then can recovery system through the invention recycled,
With reference to Figure 13.
With reference to Figure 14, implant system of the invention may include sheath 3 and carry out in sheath 3 to isolating device 1 defeated
The conveyer 7 sent, the end of the conveyer 7 have an interconnecting piece 70, realize that conveyer 7 is filled with being isolated by the interconnecting piece 70
Set 1 connection.When carrying out interventional procedure, the isolating device 1 is seated in sheath 3 together with conveyer 7, passes through conveyer
Isolating device 1 is delivered to predetermined position by 7, and is pierced by isolating device 1 from the distal end of sheath 3, so that isolating device 1 be discharged
Out；Conveyer 7 and isolating device 1 are detached from later, complete the implantation of isolating device 1.The interconnecting piece 70 of conveyer 7 of the present invention
It can be helicitic texture, be threadedly coupled by the realization of the helicitic texture and isolating device 1, consequently facilitating conveyer 7 is filled with being isolated
Set 1 disengaging.
Recovery system of the invention, recyclable device 4, break catching apparatus 6 including sheath 3 and in sheath 3, described time
Receiving apparatus 4, break catching apparatus 6 can be operated in sheath 3, to complete the recycling to isolating device 1.Wherein, in the sheath
Multiple chambers extended along 3 axial direction of sheath can be set in pipe 3, the recyclable device 4 can be set with break catching apparatus 6
In the same chamber of sheath 3, also it can be set in the different chamber of sheath 3.
Fig. 3 shows the structural schematic diagram of recyclable device 4 of the present invention comprising the recycling conveyed in sheath 3 is led
Pipe 40, and the mandril 43 in recycling conduit 40.The effect of mandril 43 is to grab isolating device 1 by break catching apparatus 6
Suture 1c when, mandril 43 is withstood on to the center of isolating device 1, in order to break catching apparatus 6 grab isolating device 1 seam
Zygonema 1c is collected.Herein it should be noted that mandril 43 of the invention can also be substituted using conveyer 7 itself, also
It is to say, by the cooperation of above-mentioned conveyer 7 Yu break catching apparatus 6, collecting for isolating device 1 also may be implemented.
Mandril 43 of the invention is preferably respectively adopted multiple segmentations with different hardness with break catching apparatus 6 and is formed by connecting,
Such as the middle section of mandril 43, break catching apparatus 6 can use softer material or structure, so as to be convenient for the bending of this section, with
Across sheath 3.Such as their middle section can be using the spiral tube structure etc. being easily bent.Mandril 43, break catching apparatus 6 both ends
Position can use harder material, to meet the needs of operation.In addition, the distal end of the mandril 43 preferably has bulb knot
Structure can be such that the distal end of mandril 43 successfully cooperates with the center of isolating device one by the ball head structure
It rises.
The recycling conduit 40 can extending proximally into from sheath 3, and be pierced by from the distal portions of sheath 3.Wherein, exist
Flexible flaring structure 41 is arranged in the distal end of the recycling conduit 40, and the flaring structure 41 is configured as: when flaring is tied
Structure 41 discharges the flaring structure 41 when stretching out sheath 3；When flaring structure 41 is located in sheath 3,41 quilt of flaring structure
It is compressed in the sheath 3.
For flaring structure 41 of the invention in release conditions in horn-like, which can be using the material of elasticity
Matter makes it have certain elastic deformability.
In a specific embodiment of the invention, the flaring structure 41 can be ripe using those skilled in the art institute
The high molecular material for the own elasticity known, such as film-type high molecular material can be used, it by one-pass molding or can cut
Molding mode is cut to be made.
In another specific embodiment of the invention, the flaring structure 41 can use metal mesh material, can
It is formed by way of knitting forming or laser cutting.
Recycling conduit 40 of the invention can use material identical with flaring structure 41, can also use different materials
Matter can use common metal material or macromolecule since recycling conduit 40 mainly plays conveying, connection
Material etc..When filling, recycling conduit 40 and flaring structure 41 are packed into sheath 3 together, at this time the flaring knot
Structure 41 is compressed, and is made it possible to and is conveyed in sheath 3 together with recycling conduit 40；When flaring structure 41 is from sheath 3
After distal end is pierced by, due to losing the limitation of sheath 3, flaring structure 41 is released under the action of its own restoring force
It releases, consequently facilitating receiving isolating device 1.It, can be with when isolating device 1 is incorporated into recycling conduit 40 or flaring structure 41
Recycling conduit 40 is extracted out out of sheath 3, to complete the recycling of isolating device 1.
Mandril 43 of the invention can be penetrated out of recycling conduit 40, be mainly used for cooperating with break catching apparatus 6, with completion pair
Isolating device 1 collects.Recyclable device of the invention, it is preferred that be additionally provided with quickly in the side wall of the recycling conduit 40
Exchange mouth 42.The fast exchange mouth 42 can be rounded or rectangular, and preferably it is referred to along the axially extending of recycling conduit 40
Fig. 3.Fast exchange mouth 42 is arranged in the side wall of recycling conduit 40, allows required each component by the fast exchange mouth
42 pass through the flaring structure 41 of recycling conduit 40, to facilitate the operation of related equipment.Wherein, the side wall for recycling conduit can not also
Fast exchange mouth is set, and related each component directly passes through the same chamber or different chamber of recycling conduit.
Wherein, break catching apparatus 6 of the invention can also convey in recycling conduit 40, can lead in recycling with mandril 43
It is conveyed in the same chamber of pipe 40.The recycling conduit 40 is preferably with multiple chambers being axially distributed along recycling conduit 40
Room, the mandril 43 and break catching apparatus 6 are located in different chambers.
Fig. 4 to Figure 12 shows 6 five kinds of break catching apparatus different implementation structural schematic diagrams of the present invention.
With reference to Fig. 4, Fig. 5, in first specific embodiment of the invention, the break catching apparatus 6 includes outer tube 610,
The main part that the outer tube 610 can be used as break catching apparatus 6 conveys in sheath 3 or recycling conduit 40.The outer tube 610 has
There are a proximal end and a distal end.It is arranged jagged 612 on the tube wall of the outer tube 610, the shape of the notch 612 can be in length
Other shapes rectangular, round or well-known to those skilled in the art.
Break catching apparatus 6 of the invention further includes the locking push rod 611 extended proximally into from outer tube 610, and the locking push rod
611 are configured as stretching to the position in outer tube 610 more than notch 612；The locking push rod 611 is lacked with outer tube 610 described
The gap of 612 positions of mouth is configured as that the end of a thread 1d of suture 1c is prevented to pass through.
Outer tube 610 of the invention can use metal material, and the locking push rod 611 can be using Filamentous or sheet material
Shape can use the material of metal.It locks push rod 611 to introduce from the proximal end of outer tube 610, and along the extension side of outer tube 610
To the position for crossing the notch 612 is stretched to, allows the suture 1c to be stuck in locking push rod 611 and outer tube 610 exists
Between the inner wall of 612 position of notch.Since the size of the end of a thread 1d is much larger than the size of suture 1c, in the mistake for pullling suture 1c
Cheng Zhong, the end of a thread 1d will not be passed through between locking push rod 611 and outer tube 610 always.
Notch 612 of the invention is preferably provided at the position of neighbouring 610 distal end of outer tube, in order to isolating device 1
Crawl.
When original state, the pull-out locking push rod 611, will neighbouring the end of a thread the notch 612 of outer tube 610 to be exposed
The suture 1c of the position 1d is placed on notch 612, and suture 1c is made to be covered in outer tube 610 as far as possible in 612 position of notch
On inner wall；Push-in locks push rod 611 and its distal end is made to cross 612 position of notch of outer tube 610 at this time, this just squeezes suture 1c
It is pressed between locking push rod 611 and shell 610, to realize the loading with break catching apparatus 6 of suture 1c.
When recycling isolating device 1, the mandril 43 of recyclable device 4 is withstood on to the center of isolating device 1, outward
The outer tube 610 and suture 1c are extracted, to the opening of isolating device 1 be collected, with reference to Figure 13；Finally cooperation top
The control of bar 43 and outer tube 610, the isolating device 1 after collecting are moved in recycling conduit 40 or flaring structure 41, are led to
It crosses and withdraws the recycling conduit 40 and take out isolating device 1.
Break catching apparatus of the invention, the distal end of the outer tube 610 can be closed, be also possible to non-close.When outer
When the distal end of pipe 610 uses closed structure, distal end is preferably in cambered surface or spherical surface, allows to avoid 610 distal end of outer tube
Human body is damaged.It may further be preferable that the distal end of the outer tube 610 uses elastic polymer material.Preferably, outside
The distal end of pipe 610 can use different materials from the part of 610 remaining position of outer tube, and can be assembled by subsequent by the two
It links together.
Break catching apparatus 6 of the invention is when unloading isolating device 1, it is only necessary to withdraw locking push rod 611, by outer tube
610 notch 612 exposes, and can release suture 1c.
With reference to Fig. 6, there are two the notch 612 on outer tube 610 of the present invention also can be set, pass through two notches 612 respectively
Position is loaded two the end of a thread on suture 1c, and it is reliable can be further ensured that suture 1c is loaded with break catching apparatus
Property.
Fig. 7 shows the structural schematic diagram of second specific embodiment of break catching apparatus of the present invention, the break catching apparatus packet
Outer tube 620 is included, the main part which can be used as break catching apparatus conveys in sheath 3 or recycling conduit 40.It is described
Outer tube 620 has a proximal end and a distal end.Wherein, the distal end of the outer tube 620 has blade surface 622, which can divide
Cloth is on the circumferencial direction of 620 distal end of outer tube.
Outer tube 620 of the invention is whole can to use metal material, and the outer wall of 620 distal end of outer tube is in the conical surface, with shape
At the blade surface 622.The outer tube 620 can also select nonmetallic materials, for example, the outer tube 620 may include pitch tube
Material, the blade surface 622 are formed in the metal pipe mouth to link into an integrated entity with resin tubing.That is, the outer tube 620 is by setting
Rouge tubing and metal pipe mouth are formed by connecting, and the blade surface 622 can be set in metal pipe mouth position.
Break catching apparatus of the invention, further includes the tightening line 624 across the outer tube 620, which can use
PP, PET material or other materials well-known to those skilled in the art.It is extended proximally into from outer tube 620, and from outer tube
620 distal end is pierced by.When loading, tightening line 624 can be buckled on the suture 1c of isolating device 1, be grabbed to realize
The loading of device for catching 6 and isolating device 1.
Break catching apparatus of the invention, further includes the push rod 621 extended proximally into from outer tube 620, which can be using gold
Belong to material to be made, it can be using Filamentous or sheet.The distal end of the push rod 621 is stretched out from the distal end of outer tube 620, and
The extended position is connected with the plug 623 for cooperating with the blade surface 622.The size of the plug 623 is much larger than push rod 621
Size, can cylindrical, round table-like or other shapes well-known to those skilled in the art.
Since the tightening line 624 in the break catching apparatus is connected on the suture 1c of isolating device 1, when detection and isolation device
After discharging successfully, can by pulling push rod 621, so that the plug 623 of 621 distal end of push rod and blade surface 622 are engaged together,
It is cut off to which line 624 will be tightened, to complete the unloading of isolating device 1 Yu break catching apparatus.After detection and isolation device release failure,
The suture 1c that tightening line 624 can be pulled and connect with tightening line 624, and cooperate the mandril 43 of recyclable device by isolating device
1 opening collects；Finally cooperate mandril 43 and outer tube 620, the control for tightening line 624, the isolating device 1 after collecting
It is moved in recycling conduit 40 or flaring structure 41, is taken out isolating device 1 by withdrawing recycling conduit 40.
Fig. 8, Fig. 9 show the structural schematic diagram of the third embodiment of break catching apparatus of the present invention, the break catching apparatus packet
Outer tube 630 is included, the main part which can be used as break catching apparatus conveys in sheath 3 or recycling conduit 40.It is described
Outer tube 630 has a proximal end and a distal end.It further include the closure part 633 that 630 distal end of outer tube is set, the closure part 633
Part blocks the distal end of the outer tube 630, and the position that 630 distal end of outer tube is not blocked then forms a notch 634.
Outer tube of the invention can use metal material, can also use nonmetallic materials, such as can use macromolecule
Material.The closure part 633 can be obtained with outer tube 630 using integrally formed mode.
Break catching apparatus of the invention further includes the check lock lever 631 that radial rotating is connected in outer tube 630, the check lock lever
631 radial rotation can occur in outer tube 630.It, can be in outer tube 630 in order to avoid axial displacement occurs for check lock lever 631
Blocking portion or bearing arrangement etc. are set, and this structure belongs to the common knowledge of those skilled in the art, herein no longer specifically
It is bright.
Check lock lever 631 of the invention can use metal material, can also use macromolecule material.In the check lock lever
631 side wall setting fluted 632, with reference to Fig. 9, the groove 632 is along the axially extending of check lock lever 631.Wherein, the lock
Tight bar 631 and the matching relationship of outer tube 630 are as follows: the check lock lever 631, which has one to turn to, exposes groove 632 in notch
The free state of 634 positions；And groove 632 is turned to the locking state of 633 position of closure part, it is described in locking state
Gap between the distal end and closure part 633 of check lock lever 631 is configured as that the end of a thread 1d of suture 1c is prevented to pass through.
Specifically, in radial rotating check lock lever 631, the groove 632 of check lock lever 631 can be turned to and is exposed to notch
634 position, state as shown in Figure 9.The suture 1c of isolating device 1 and the end of a thread 1d can be passed through into the notch at this time
634 fill in the groove 632 of check lock lever 631；Rotation lock bar 631, and groove 632 thereon is turned to and closure part 633
Corresponding position, at this point, the suture 1c is stuck in the gap between 631 distal end of check lock lever and closure part 633, thus real
Show suture 1c with break catching apparatus loading.When pulling suture 1c by outer tube 630, since the end of a thread 1d is stuck in lock
In the groove of tight bar 631, so as to prevent the play of suture 1c, the firm dress of isolating device 1 Yu break catching apparatus ensure that
It carries.
When being unloaded, it is only necessary to which groove 632 thereon is exposed to notch 634 by rotation lock bar 631 again
Position, i.e., the releasable suture 1c completes the unloading of break catching apparatus and isolating device 1.
The shape of groove 632 of the present invention can be rectangle, semicircle or other shapes well-known to those skilled in the art
Shape.The check lock lever 631 can use the flat tube configuration of semicircular ring, that is to say, that by round tube direction axially along into
Row cutting, so that Formation cross-section is in the flat tube configuration of semi-annular shape.Preferably, the area of the closure part 633 can be greater than
Or the area equal to notch 634, in order to load the suture 1c of isolating device 1.
Figure 10, Figure 11 show the structural schematic diagram of 4th kind of embodiment of break catching apparatus of the present invention comprising basic bit
Outer tube 640 in 1 center of isolating device, the outer tube 640 can be used as the main part of break catching apparatus in sheath 3 or return
Receive conveying in conduit 40.The outer tube 640 has a proximal end and a distal end.
It further include the locking seal wire 641 extended proximally into from outer tube 640, the locking seal wire 641 is stretched from the proximal end of outer tube 640
Enter, and is stretched out from its distal end.The position that the locking seal wire 641 stretches out 640 distal end of outer tube has towards the curved bending in outside
Portion 643 is provided with coupler body 642 in the distal end of the locking seal wire 641.Wherein, the coupler body 642 is configured extremely by bending section 643
The position suture 1c of isolating device 1, and the bending section 643 be configured as pull back lock seal wire 641 when, the bending section
643 are deformed into and match with the shape of outer tube 640.
Outer tube 640 of the invention is stretched out from sheath 3 or recycling conduit 40, is convenient for recycling isolating device 1 in order to subsequent
Into recycling conduit 40, after the outer tube 640 stretches out, generally within the center of isolating device 1.Sky when due to intervention
Between it is too small, therefore, in order to which coupler body 642 to be extended to the position suture 1c of isolating device 1, be provided with the bending section 643, lead to
The bending deformation of the bending section 643 is crossed, to make coupler body 642 and suture 1c as close as possible to together, in order to pass through coupler body
642 crawl suture 1c.
Break catching apparatus of the invention, it is necessary first to locking seal wire 641 is seated in outer tube 640, it can be squeezed at this time
Bending section 643 deforms, and makes its coupler body 642 close to the ontology of locking seal wire 641, and be seated in outer tube 640；When curved
After pars convoluta 643 is pierced by from the distal end of outer tube 640, under the elastic restoring force of its own, the bending section 643 resets, to make
Coupler body 642 cooperates in the position suture 1c of isolating device 1.It can be by coupler body 642 by suture 1c by subtle operation
It grabs.
After coupler body 642 grabs suture 1c, pull back lock seal wire 641 when, the bending section 643 needs to deform
To matching with the shape of outer tube 640, allow to withdraw coupler body 642 in outer tube 640, thus by the opening of isolating device 1
It collects.
The outer tube 640 of the invention can use metal material or high molecular material.The locking seal wire 641 can also be with
Using metal material or high molecular material.When pulling back suture 1c, since suture 1c can generate reversely coupler body 642
Pulling force, in order to avoid coupler body 642 deforms, it is described locking 641 upper hook body 642 of seal wire hardness be greater than locking seal wire 641
The hardness of remaining upper position.Coupler body 642 on the locking seal wire 641 can use different materials from remaining position, or
By different process, to guarantee the hardness of coupler body 642.
Figure 12 shows the structural schematic diagram of 5th kind of embodiment of break catching apparatus of the present invention, which uses one
One end of the tightening line 650, is passed through the suture 1c of isolating device by the longer tightening line 650 of root, then is turned back.Work as isolating device
When discharging successfully, then one end of tightening line 650 is unclamped, and tightening line 650 is extracted out；When isolating device release is unsuccessful, then
The both ends for extracting tightening line 650 simultaneously, isolating device is collected.
The present invention also provides a kind of interventional methods of the isolating device of preloaded mode comprising following steps:
A) isolating device is loaded on a conveyor, and the suture of isolating device is preloaded on break catching apparatus；
D) conveyer, isolating device, break catching apparatus are sent along sheath to the suitable position of ventricle together；
C) isolating device is discharged, and whether detection and isolation device discharges success；
If isolating device discharges successfully, execute
D10 suture) is unloaded, and is detached from conveyer and isolating device, conveyer is removed together with break catching apparatus from sheath
It returns；
If isolating device release is unsuccessful, execute
D20 conveyer is separated with isolating device), and recalls the conveyer；
D21 recyclable device is sent into along sheath), after flaring structure release, mandril is promoted to withstand the middle part of isolating device；
D22 it) pulls back break catching apparatus, collects the opening of isolating device, and isolating device is pulled in the flaring of recyclable device
In structure；
D23 entire break catching apparatus and recyclable device) are withdrawn, the recycling of isolating device is completed.
The above method is implanted into or is recycled in a manner of being pre-loaded with isolating device suture, and implantation success is worked as
Afterwards, then the connection for unloading break catching apparatus and suture, the side that the break catching apparatus shown in Fig. 4 to Fig. 9, Figure 12 is required to preloaded
Formula is recycled.
The present invention also provides a kind of interventional methods of the isolating device of rear load mode comprising following steps:
A) isolating device is loaded on a conveyor, it is suitable to ventricle that conveyer, isolating device are sent along sheath together
Position；
D) break catching apparatus is discharged, and whether detection and isolation device discharges success；
If isolating device discharges successfully, execute
D10) conveyer and isolating device are detached from, and recall conveyer from sheath；
If isolating device release is unsuccessful, execute
D20 conveyer is separated with isolating device), and recalls the conveyer；
D21 recyclable device and break catching apparatus are sent into along sheath), after flaring structure release, grabbed by break catching apparatus
Take the suture of isolating device；
D22 mandril) is promoted to withstand the middle part of isolating device, break catching apparatus of pulling back collects the opening of isolating device, and will
Isolating device pulls in the flaring structure of recyclable device；
D23 entire break catching apparatus and recyclable device) are withdrawn, the recycling of isolating device is completed.
The mode that this method loads after being is recycled, that is to say, that, will when the release of detection and isolation device is unsuccessful
Recyclable device and break catching apparatus are sent into along sheath, and the crawl of isolating device suture can be completed using break catching apparatus.Figure
10, the break catching apparatus shown in Figure 11 is suitble to the recycling of this rear load mode.
The difference of above-mentioned two method is that one is using break catching apparatus and the preloaded side of isolating device in vitro
Formula, it is a kind of using break catching apparatus and the rear load mode of isolating device in vivo.Therefore, interventional systems provided by the invention can also
Be divided into isolating device preloaded interventional systems and isolating device after the interventional systems that load.
Interventional systems of the invention can pass through recyclable device and break catching apparatus when isolating device release is unsuccessful
Isolating device is recycled, using this transcatheter way of recycling, can be recycled to avoid surgical operation brought by
Damage.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that above example merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (7)
1. the interventional systems loaded after a kind of isolating device, the isolating device includes the suture and connection for collecting
The end of a thread, it is characterised in that: the interventional systems include implant system and recovery system；The implant system includes sheath, with
And the conveyer that isolating device is conveyed in sheath；
The recovery system includes: the recyclable device and break catching apparatus for being conveyed in sheath, in which:
The recyclable device includes the recycling conduit conveyed in sheath, and in recycling conduit for withstand it is described every
Mandril from device；
The recyclable device, break catching apparatus are configured as: when isolating device release is unsuccessful, then being grabbed described in conveying in sheath
Device for catching, recyclable device are grabbed with the suture to isolating device, are collected；
The break catching apparatus includes outer tube, and the outer tube has a proximal end and a distal end；It is arranged on the tube wall of the outer tube
It is jagged, it further include the locking push rod protruded into from proximal outer tube, and the locking push rod is configured as stretching in outer tube and is more than
The position of notch；The end of a thread that the locking push rod and outer tube are configured as prevention suture in the gap of the gap position is logical
It crosses.
2. interventional systems according to claim 1, it is characterised in that: in the recyclable device, in the recycling conduit
Flexible flaring structure is arranged in distal end, and the flaring structure is configured as: discharging the expansion when flaring structure stretches out sheath
Mouth structure；When flaring structure is located in sheath, the flaring structure is compressed in the sheath.
3. interventional systems according to claim 2, it is characterised in that: be additionally provided with quickly in the side wall of the recycling conduit
Exchange mouth.
4. interventional systems according to claim 3, it is characterised in that: the fast exchange opening's edge recycling conduit axial direction
Extend.
5. interventional systems according to claim 1, it is characterised in that: the mandril and break catching apparatus are in recycling conduit
Conveying in same chamber.
6. interventional systems according to claim 1, it is characterised in that: the recycling conduit has multiple along recycling catheter shaft
To the chamber of extension, the mandril and break catching apparatus convey in the different chamber of recycling conduit.
7. interventional systems according to claim 1, it is characterised in that: the end of the conveyer be provided with for be isolated
The threaded joints that device is threadedly coupled.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710021217.4A CN106667539B (en) | 2017-01-12 | 2017-01-12 | A kind of interventional systems loaded after isolating device |
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| CN201710021217.4A CN106667539B (en) | 2017-01-12 | 2017-01-12 | A kind of interventional systems loaded after isolating device |
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| CN106667539A CN106667539A (en) | 2017-05-17 |
| CN106667539B true CN106667539B (en) | 2019-04-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018129691A1 (en) * | 2017-01-12 | 2018-07-19 | 上海心瑞医疗科技有限公司 | Recovery system for use with isolation device, and preloaded and postloaded intervention system |
| CN114098883B (en) * | 2022-01-27 | 2022-06-17 | 上海微创心脉医疗科技(集团)股份有限公司 | Support conveying device and support conveying system |
| CN114983633A (en) * | 2022-06-17 | 2022-09-02 | 上海微创医疗器械（集团）有限公司 | Ventricular function assist device, delivery and recovery system, and ventricular function assist system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6685627B2 (en) * | 1998-10-09 | 2004-02-03 | Swaminathan Jayaraman | Modification of properties and geometry of heart tissue to influence heart function |
| US7303526B2 (en) * | 1999-08-09 | 2007-12-04 | Cardiokinetix, Inc. | Device for improving cardiac function |
| US8246671B2 (en) * | 1999-08-09 | 2012-08-21 | Cardiokinetix, Inc. | Retrievable cardiac devices |
| CN106214289A (en) * | 2016-09-05 | 2016-12-14 | 广东脉搏医疗科技有限公司 | A kind of heart volume reduction implant |
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