CN106859721A - A kind of interventional systems of isolating device preloaded - Google Patents
A kind of interventional systems of isolating device preloaded Download PDFInfo
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- CN106859721A CN106859721A CN201710021506.4A CN201710021506A CN106859721A CN 106859721 A CN106859721 A CN 106859721A CN 201710021506 A CN201710021506 A CN 201710021506A CN 106859721 A CN106859721 A CN 106859721A
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- Prior art keywords
- outer tube
- isolating device
- catching apparatus
- sheath
- break catching
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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
- 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
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/12168—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure
- A61B17/12172—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure having a pre-set deployed three-dimensional shape
-
- 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
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/12168—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure
- A61B17/12177—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure comprising additional materials, e.g. thrombogenic, having filaments, having fibers or being coated
-
- 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
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Reproductive Health (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Cardiology (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to a kind of interventional systems of isolating device preloaded, including implant system and recovery system；The implant system includes sheath, and the conveyer conveyed to isolating device in sheath；The recovery system includes the retracting device and break catching apparatus for being conveyed in sheath, and the retracting device is included in the recovery conduit of conveying in sheath, and positioned at the push rod for withstanding the isolating device reclaimed in conduit；The suture of the isolating device is preloaded on break catching apparatus, and the break catching apparatus are configured as：When conveyer discharges successfully, then break catching apparatus unload the suture of the isolating device；When conveyer discharges unsuccessful, then the break catching apparatus are withdrawn, and the opening of isolating device is collected.Interventional systems of the invention, can avoid reclaiming isolating device by the way of surgical operation, reduce the damage to patient.
Description
Technical field
The present invention relates to medical instruments field, specifically, it is related specifically to a kind of heart isolating device of implementing and intervenes hand
The apparatus of art, more particularly to a kind of interventional systems of isolating device preloaded.
Background technology
Cardiopathic treatment in recent years has significant progress, but as the mental and physical efforts of one of the final final result of all heart diseases
Exhaustion but threatens human health all the time.The reason for causing heart failure is numerous, and one of most common cause of disease is obstructed for Acute myocardial
Extremely.Acute myocardial infarction AMI causes the generation of Heart enlargement and heart failure, especially due to myocardial damage and subsequent scarring
It is Anterior wall myocardial infarction merge aneurysm patient be easier occur heart failure, not only influence patient quality of life, also
Cause the financial burden of huge family and society.
In order to treat heart disease, particularly congestive heart failure, a kind of potential treatment method is in patient's left ventricle
A kind of isolating device of umbrella is implanted into, CN103800045A provides a kind of medical heart isolating device, and it includes support frame
And base, support frame as described above by multiple can developing apparatus, multiple fixed point, multiple umbrella frame shape poles and multiple cambered surfaces constitute, its
In per two neighboring umbrella frame shape pole by cambered surface connect and compose be inverted umbrella shape support frame and support frame umbrella along surrounding to
Turn 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, and each is fixed on point
Equipped with can developing apparatus, be covered with macromolecule barrier film, the bottom of support frame and base on each umbrella frame shape pole and fixed point
Connection, the bottom of base is in a plane.
The isolating device can be conveyed into human heart by percutaneous intervening mode sheath and induction system, changed
Kind remodeling ventricle and the heart function of patient.But in operation, when occurring, implantation position is improper, product size is too small cannot expire
Pedopathy become demand or other the reason for when, it is necessary to isolating device is taken out by way of surgical operation, this to patient with
Larger wound is carried out.
The content of the invention
It is an object of the present invention to provide a kind of interventional systems of isolating device preloaded.
According to an aspect of the present invention, there is provided a kind of interventional systems of isolating device preloaded, the isolating device bag
The suture and the end of a thread of connection for collecting are included, the interventional systems include implant system and recovery system；The plant
Entering system includes sheath, and the conveyer conveyed to isolating device in sheath；
The recovery system includes：For the retracting device and break catching apparatus that are conveyed in sheath, wherein：
The retracting device is included in the recovery conduit of conveying in sheath, and positioned at reclaim in conduit for withstanding
State the push rod of isolating device；
The suture of the isolating device is preloaded on break catching apparatus, and the break catching apparatus are configured as：Work as conveying
Device discharges successfully, then break catching apparatus unload the suture of the isolating device；When conveyer discharges unsuccessful, then described grabbing is withdrawn
Device for catching, and the opening of isolating device is collected.
Alternatively, in the retracting device, resilient flaring structure, the expansion are set in the distal end of the recovery conduit
Mouth structure is configured as：The flaring structure is discharged when flaring structure stretches out sheath；When flaring structure is located in sheath, institute
Flaring structure is stated to be compressed in the sheath.
Alternatively, the side wall in the recovery conduit is additionally provided with quick exchange mouth.
Alternatively, the quick exchange opening's edge and reclaims the axially extending of conduit.
Alternatively, the break catching apparatus include thering is outer tube proximally and distally, are provided with the tube wall of the outer tube
Breach；Also include the locking push rod stretched into from proximal outer tube, the locking push rod is configured as stretching to and exceedes breach in outer tube
Position；The locking push rod is configured as preventing the end of a thread of suture from passing through with outer tube in the gap of the gap position.
Alternatively, the break catching apparatus include thering is outer tube proximally and distally；Also include closure part, the closure part portion
The distal end of the outer tube is blocked up in enfeoffment, and forms breach in distal end；
The check lock lever in outer tube is also connected to including radial rotating, is provided with the side wall of the check lock lever and prolonged along its axial direction
The groove stretched, the check lock lever is as follows with the matching relationship of outer tube：The check lock lever has one to turn to makes groove expose scarce
The free state of mouth position；And groove is turned to the locking state of closure part position, in locking state, the check lock lever
Gap between distal end and closure part is configured as preventing the end of a thread of suture from passing through.
Alternatively, the break catching apparatus include thering is outer tube proximally and distally, and the distal end of the outer tube has blade surface, also
Including tightening up line for connection suture in advance through the outer tube；Also include the push rod stretched into from proximal outer tube, it is described
The position that push rod stretches out distal outer tube is provided with plug for coordinating with the blade surface.
Alternatively, the outer tube integrally uses metal material, and the outer wall of the distal outer tube is in the conical surface, to form the sword
Face.
Alternatively, the outer tube includes resin tubing, and the blade surface is formed in the metal linked into an integrated entity with resin tubing
On the mouth of pipe.
Alternatively, the termination of the conveyer is provided with the threaded joints for being threadedly coupled with isolating device.
, be previously loaded at isolating device on break catching apparatus by way of preloaded by interventional systems of the invention, will be defeated
Device is sent together to be conveyed through sheath with break catching apparatus；When isolating device discharges unsuccessful, then can be by break catching apparatus and follow-up defeated
The retracting device for sending is reclaimed to isolating device.Interventional systems of the invention, can avoid by the way of surgical operation pair
Isolating device is reclaimed, and reduces the damage to patient.
By referring to the drawings to the detailed description of exemplary embodiment of the invention, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
The Description of Drawings embodiments of the invention of a part for specification are constituted, and is used to solve together with the description
Release principle of the invention.
Fig. 1 is the structural representation 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 representation of retracting device of the present invention.
Fig. 4 is the cooperation figure of the first implementation method break catching apparatus of the invention and isolating device.
Fig. 5 is the partial enlarged drawing that break catching apparatus are located at gap position in Fig. 4.
Fig. 6 is the partial enlarged drawing of break catching apparatus another kind preferred embodiment in Fig. 4.
Fig. 7 is the cooperation figure of second implementation method break catching apparatus of the invention and isolating device.
Fig. 8 is the structural representation of the third implementation method break catching apparatus of the invention.
Fig. 9 is the structural representation of the third another angle of implementation method break catching apparatus of the invention.
Figure 10 is the 4th kind of structural representation of implementation method break catching apparatus of the invention.
Figure 11 is the structural representation of locking seal wire in Figure 10.
Figure 12 is the 5th kind of structural representation of implementation method break catching apparatus of the invention.
Figure 13 is schematic diagram of the recovery system of the present invention when isolating device is reclaimed.
Figure 14 is the schematic diagram that interventional systems of the present invention are constituted.
Specific embodiment
Describe various exemplary embodiments of the invention in detail now with reference to accompanying drawing.It should be noted that：Unless had in addition
Body illustrates that the part and the positioned opposite of step, numerical expression and numerical value for otherwise illustrating in these embodiments do not limit this
The scope of invention.
The description only actually at least one exemplary embodiment is illustrative below, never as to the present invention
And its any limitation applied or use.
May be not discussed in detail for technology and equipment known to person of ordinary skill in the relevant, but in appropriate situation
Under, the technology and equipment should be considered as a part for specification.
In all examples shown here and discussion, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further discussed in subsequent accompanying drawing.
Fig. 1 shows the structural representation of isolating device 1 in the prior art, and the isolating device 1 includes being supported on pedestal 1b
The umbrella-shaped structure of top, the umbrella-shaped structure includes the multiple support bars for circumferentially arranging, the shape of the plurality of support bar arrangement
Similar umbrella rib structure.Also include being fixed on film 1a, the film 1a on the plurality of support bar under the supporting role of support bar, shape
Into the umbrella-shaped structure that one end closing, one end are gradually opened.Marginal position in the film 1a openends is provided with circle suture
Line 1c, the two ends of suture 1c link together, and form the end of a thread 1d.It is of course also possible to the tip position in suture 1c is led to
Cross knotting or other manner well-known to those skilled in the art forms the end of a thread 1d for expanding.Herein it should be noted that line
Head 1d can be arranged as required to multiple.The openend of film 1a can be collected by suture 1c.This isolating device 1
Structure and its operation 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 relevant position, it includes planting
Enter system and recovery system.Above-mentioned isolating device 1 can be implanted into the relevant position of ventricle 2 by implant system, so that its
Play a role, with reference to Fig. 2；When needing to take out it from ventricle 2, then can be reclaimed by recovery system of the invention,
With reference to Figure 13.
With reference to Figure 14, implant system of the invention can include sheath 3 and isolating device 1 be carried out in sheath 3 defeated
The conveyer 7 for sending, the termination of the conveyer 7 has a connecting portion 70, conveyer 7 is realized by the connecting portion 70 and isolates dress
Put 1 connection.When interventional procedure is carried out, the isolating device 1 is seated in sheath 3 together with conveyer 7, by conveyer
Isolating device 1 is delivered to precalculated position by 7, and isolating device 1 is passed from the distal end of sheath 3, so as to isolating device 1 be discharged
Out；Conveyer 7 is departed from isolating device 1 afterwards, completes the implantation of isolating device 1.The connecting portion 70 of conveyer of the present invention 7
Can be helicitic texture, realize being threadedly coupled by the helicitic texture and isolating device 1, consequently facilitating conveyer 7 with isolate dress
Put 1 disengaging.
Recovery system of the invention, including sheath 3 and the retracting device in sheath 34, break catching apparatus 6, described time
Receiving apparatus 4, break catching apparatus 6 can be operated in sheath 3, to complete the recovery to isolating device 1.Wherein, in the sheath
Multiple chambers extended along the axial direction of sheath 3 can be set in pipe 3, and the retracting device 4 can be arranged on break catching apparatus 6
In the same chamber of sheath 3, it is also possible to be arranged in the different chamber of sheath 3.
Fig. 3 shows the structural representation of retracting device of the present invention 4, and it is included in the recovery conveyed in sheath 3 and leads
Pipe 40, and positioned at the push rod 43 reclaimed in conduit 40.The effect of push rod 43 is to capture isolating device 1 by break catching apparatus 6
Suture 1c when, push rod 43 is withstood on the center of isolating device 1, in order to break catching apparatus 6 capture isolating device 1 seam
Zygonema 1c is collected.Herein it should be noted that push rod of the invention 43 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, it is also possible to realize collecting for isolating device 1.
Push rod of the invention 43 is preferably respectively adopted multiple segmentations with different hardness and is formed by connecting with break catching apparatus 6,
For example the stage casing of push rod 43, break catching apparatus 6 can use softer material or structure, such that it is able to be easy to the bending of this section, with
Through sheath 3.For example their stage casing can be using spiral tube structure being easily bent etc..Push rod 43, break catching apparatus 6 two ends
Position can use harder material, to meet the demand of operation.In addition, the distal end of the push rod 43 preferably has bulb knot
Structure, the distal end that can allow push rod 43 by the ball head structure successfully coordinates one with the center of isolating device
Rise.
The recovery conduit 40 can extending proximally into from sheath 3, and passed from the distal portions of sheath 3.Wherein, exist
The distal end for reclaiming conduit 40 sets resilient flaring structure 41, and the flaring structure 41 is configured as：When enlarging knot
Structure 41 discharges the flaring structure 41 when stretching out sheath 3；When flaring structure 41 is located in sheath 3, the quilt of the flaring structure 41
It is compressed in the sheath 3.
Flaring structure of the invention 41 is in horn-like in release conditions, and the flaring structure 41 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 macromolecular material of the own elasticity known, for example, can use film-type macromolecular material, and it by one-shot forming or can cut
The mode for being cut into type is obtained.
In another specific embodiment of the invention, the flaring structure 41 can use wire netting material, and it can
It is molded by way of knitting forming or laser cutting.
Recovery conduit 40 of the invention can be used and the identical material of flaring structure 41, it would however also be possible to employ different materials
Matter, due to reclaiming, conduit 40 is main to play conveying, connection, therefore it can use common metal material or macromolecule
Material etc..When filling, conduit 40 will be reclaimed and flaring structure 41 together loads in sheath 3, now the enlarging knot
Structure 41 is compressed so that it can be conveyed together with conduit 40 is reclaimed in sheath 3；When flaring structure 41 from sheath 3
After distal end passes, due to losing the limitation of sheath 3 so that flaring structure 41 can be released in the presence of its own restoring force
Release, consequently facilitating receiving isolating device 1.When isolating device 1 is incorporated into recovery conduit 40 or flaring structure 41, can be with
Conduit 40 will be reclaimed to be extracted out from sheath 3, to complete the recovery of isolating device 1.
Push rod of the invention 43 can be penetrated from reclaiming in conduit 40, and it is mainly used in coordinating with break catching apparatus 6, right to complete
Isolating device 1 is collected.Retracting device of the invention, it is preferred that be additionally provided with quickly in the side wall of the recovery conduit 40
Exchange mouth 42.Quick exchange mouthful 42 can be with rounded or square, and preferably it is along reclaiming the axially extending of conduit 40, reference
Fig. 3.The side wall that mouth 42 is arranged on recovery conduit 40 is exchanged by quick so that required each part can be by the quick exchange mouthful
42 through the flaring structure 41 for reclaiming conduit 40, to facilitate the operation of related equipment.Wherein, the side wall for reclaiming conduit can not also
Set it is quick exchange mouth, related each part is directly by reclaiming the same chamber or different chamber of conduit.
Wherein, break catching apparatus of the invention 6 can also reclaim conveying in conduit 40, and it can lead with push rod 43 in recovery
Conveyed in the same chamber of pipe 40.It is described to reclaim conduit 40 preferably with multiple chambers being axially distributed along recovery conduits 40
Room, the push rod 43 and break catching apparatus 6 are located in different chambers.
Fig. 4 to Figure 12 shows the different implementation structural representation of 6 five kinds of break catching apparatus of the present invention.
With reference to Fig. 4, Fig. 5, in first specific embodiment of the invention, the break catching apparatus 6 include outer tube 610,
The outer tube 610 can be as the main part of break catching apparatus 6 is in sheath 3 or reclaims conveying in conduit 40.The outer tube 610 has
There are a near-end and a distal end.Jagged 612 are set on the tube wall of the outer tube 610, the shape of the breach 612 can be in length
Other shapes square, circular or well-known to those skilled in the art.
Break catching apparatus of the invention 6 also include 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 breach 612；The locking push rod 611 lacks with outer tube 610 described
The gap of 612 positions of mouth is configured as preventing the end of a thread 1d of suture 1c from passing through.
Outer tube of the invention 610 can use thread or sheet material using metal material, the locking push rod 611
Shape, it can be using the material of metal.Locking push rod 611 is introduced from the near-end of outer tube 610, and along the extension side of outer tube 610
To stretching to the position of crossing the breach 612 so that the suture 1c can be stuck in locking push rod 611 and exist with outer tube 610
Between the inwall of the position of breach 612.Due to the size of the size much larger than suture 1c of the end of a thread 1d, the mistake of suture 1c is being pullled
Cheng Zhong, the end of a thread 1d will not be passed through between locking push rod 611 and outer tube 610 all the time.
Breach of the invention 612 is preferably provided at the position of the neighbouring distal end of the outer tube 610, in order to isolating device 1
Crawl.
During original state, pull out the locking push rod 611 and be exposed with by the breach 612 of outer tube 610, will be adjacent to the end of a thread
The suture 1c of 1d positions is placed on breach 612, and makes suture 1c try one's best to be covered in outer tube 610 in the position of breach 612
On inwall；Now push-in is locked push rod 611 and its distal end is crossed the position of breach 612 of outer tube 610, and this just squeezes suture 1c
It is pressed between locking push rod 611 and shell 610, it is achieved thereby that the loading with break catching apparatus 6 of suture 1c.
When isolating device 1 is reclaimed, the push rod 43 of retracting device 4 is withstood on into the center of isolating device 1, outwards
The outer tube 610 and suture 1c are extracted, so as to the opening of isolating device 1 be collected, with reference to Figure 13；Finally coordinate top
The control of bar 43 and outer tube 610, the isolating device 1 after collecting is moved in recovery conduit 40 or flaring structure 41, is led to
Cross withdraw it is described recovery conduit 40 isolating device 1 is taken out.
Break catching apparatus of the invention, the distal end of the outer tube 610 can be closing, or non-close.When outer
When the distal end of pipe 610 is using the structure closed, its distal end is preferably in cambered surface or sphere so that can avoid the distal end of outer tube 610
Human body is caused damage.It may further be preferable that the distal end of the outer tube 610 uses elastic polymer material.Preferably, outward
The distal end of pipe 610 can use different materials from the part of remaining position of outer tube 610, and can incite somebody to action the two by follow-up assembling
Link together.
Break catching apparatus of the invention 6 are when isolating device 1 is unloaded, it is only necessary to withdraw locking push rod 611, by outer tube
610 breach 612 exposes, you can discharge suture 1c.
With reference to Fig. 6, the breach 612 on outer tube of the present invention 610 can also be provided with two, respectively by two breach 612
Position is loaded to two the end of a thread on suture 1c, can be further ensured that the reliability that suture 1c is loaded with break catching apparatus
Property.
Fig. 7 shows second structural representation of specific embodiment of break catching apparatus of the present invention, the break catching apparatus bag
Outer tube 620 is included, the outer tube 620 can be as the main part of break catching apparatus is in sheath 3 or reclaims conveying in conduit 40.It is described
Outer tube 620 has a near-end and a distal end.Wherein, the distal end of the outer tube 620 has blade surface 622, and the blade surface 622 can divide
Cloth is on the circumferencial direction of the distal end of outer tube 620.
Outer tube of the invention 620 is overall can to use metal material, and the outer wall of the distal end of the outer tube 620 is in the conical surface, with shape
Into the blade surface 622.The outer tube 620 can also select nonmetallic materials, for example, the outer tube 620 can include pitch tube
Material, the blade surface 622 is formed in the metal pipe mouth linked into an integrated entity with resin tubing.That is, the outer tube 620 is by setting
Fat tubing and metal pipe mouth are formed by connecting, and the blade surface 622 can be arranged on metal pipe mouth position.
Break catching apparatus of the invention, also including tightening up line 624 through the outer tube 620, this is tightened up line 624 and 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 passes.When loading, can will tighten up line 624 and be buckled on the suture 1c of isolating device 1, so as to realize grabbing
The loading of device for catching 6 and isolating device 1.
Break catching apparatus of the invention, also including the push rod 621 extended proximally into from outer tube 620, the push rod 621 can be using gold
Category material is made, and it can use thread 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 coordinating with the blade surface 622.The size of the plug 623 is much larger than push rod 621
Size, it can be with other shapes cylindrical, round table-like or well-known to those skilled in the art.
Line 624 of tightening up in due to the break catching apparatus is connected on the suture 1c of isolating device 1, when detection and isolation device
After discharging successfully, can be by pulling push rod 621 so that together with the plug 623 of the distal end of push rod 621 is engaged with blade surface 622,
Cut off so as to line 624 will be tightened up, to complete the unloading of isolating device 1 and break catching apparatus.After detection and isolation device release failure,
Can pull tighten up line 624 and with tighten up the suture 1c that line 624 is connected, and coordinate the push rod 43 of retracting device by isolating device
1 opening collects；Finally coordinate push rod 43 and outer tube 620, tighten up the control of line 624, the isolating device 1 after collecting
It is moved in recovery conduit 40 or flaring structure 41, is taken out isolating device 1 by withdrawing recovery conduit 40.
Fig. 8, Fig. 9 show the structural representation of the third implementation method of break catching apparatus of the present invention, the break catching apparatus bag
Outer tube 630 is included, the outer tube 630 can be as the main part of break catching apparatus is in sheath 3 or reclaims conveying in conduit 40.It is described
Outer tube 630 has a near-end and a distal end.Also include being arranged on the closure part 633 of the distal end of outer tube 630, the closure part 633
Part blocks the distal end of the outer tube 630, and the position that the distal end of the outer tube 630 is not blocked then forms a breach 634.
Outer tube of the invention can use metal material, it would however also be possible to employ nonmetallic materials, for example, 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, are also connected to the check lock lever 631 in outer tube 630, the check lock lever including radial rotating
631 can occur the rotation of radial direction in outer tube 630.In order to avoid there is axial displacement in check lock lever 631, can be in outer tube 630
Stop part 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 of the invention 631 can use metal material, it would however also be possible to employ macromolecule material.In the check lock lever
631 side wall sets fluted 632, and with reference to Fig. 9, the groove 632 is axially extending along check lock lever 631.Wherein, the lock
Tight bar 631 is as follows with the matching relationship of outer tube 630：The check lock lever 631 has one to turn to makes groove 632 expose in breach
The free state of 634 positions；And groove 632 is turned to the locking state of the position of closure part 633, it is described in locking state
Gap between the distal end and closure part 633 of check lock lever 631 is configured as preventing the end of a thread 1d of suture 1c from passing through.
Specifically, in radial rotating check lock lever 631, the groove 632 of check lock lever 631 can be turned to exposed to breach
634 position, state as shown in Figure 9.Now the suture 1c of isolating device 1 and the end of a thread 1d can be passed through the breach
In 634 grooves 632 for filling in check lock lever 631；Rotation lock bar 631, and groove 632 thereon is turned to and closure part 633
Corresponding position, now, the suture 1c is stuck in the gap between the distal end of check lock lever 631 and closure part 633, so that real
Show suture 1c with break catching apparatus loadings.When suture 1c is pulled by outer tube 630, because the end of a thread 1d is stuck in lock
In the groove of tight bar 631, such that it is able to prevent the play of suture 1c, it is ensured that the firm dress of isolating device 1 and break catching apparatus
Carry.
When being unloaded, it is only necessary to rotation lock bar 631, groove 632 thereon is exposed to breach 634 again
Position, you can the release suture 1c, complete the unloading of break catching apparatus and isolating device 1.
The shape of groove of the present invention 632 can be rectangle, other shapes semicircle or well-known to those skilled in the art
Shape.The check lock lever 631 can be using the flat tube configuration of semicircular ring, that is to say, that enter pipe direction axially along
Row cutting, so that flat tube configuration of the Formation cross-section in semi-annular shape.Preferably, the area of the closure part 633 can be more than
Or equal to the area of breach 634, in order to load the suture 1c of isolating device 1.
Figure 10, Figure 11 show 4th kind of structural representation of implementation method of break catching apparatus of the present invention, and it includes basic bit
In the outer tube 640 of the center of isolating device 1, the outer tube 640 can be as the main part of break catching apparatus is in sheath 3 or returns
Receive conveying in conduit 40.The outer tube 640 has a near-end and a distal end.
Also include the locking seal wire 641 extended proximally into from outer tube 640, the locking seal wire 641 is stretched from the near-end of outer tube 640
Enter, and stretched out from its distal end.The position that the locking seal wire 641 stretches out the distal end of outer tube 640 has the bending towards outer lateral bend
Portion 643, coupler body 642 is provided with the distal end of the locking seal wire 641.Wherein, the coupler body 642 be bent portion 643 configure to
The suture 1c positions of isolating device 1, and the bending section 643 be configured as pull back locking seal wire 641 when, the bending section
643 are deformed into the form fit with outer tube 640.
Outer tube of the invention 640 stretches out from sheath 3 or recovery conduit 40, in order to subsequently be easy to reclaim isolating device 1
Into recovery conduit 40, after the outer tube 640 stretches out, its center generally within isolating device 1.Sky during due to intervention
Between it is too small, therefore, in order to coupler body 642 to be extended to the suture 1c positions of isolating device 1, there is provided the bending section 643, lead to
Cross the flexural deformation of the bending section 643 so that coupler body 642 with suture 1c close proximity to together with, 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 now extruded
Bending section 643 deforms, and makes its coupler body 642 near the body of locking seal wire 641, and be seated in outer tube 640；When curved
After pars convoluta 643 is passed from the distal end of outer tube 640, under the elastic restoring force of its own, the bending section 643 resets, so that
Coupler body 642 coordinates in the suture 1c positions of isolating device 1.Coupler body 642 can be passed through by suture 1c by trickle operation
Capture.
After coupler body 642 captures suture 1c, when locking seal wire 641 is pulled back, the bending section 643 needs to deform
To form fit with outer tube 640 so that can be by coupler body 642 toward withdrawing in outer tube 640, so as to by the opening of isolating device 1
Collect.
The outer tube 640 of the invention can use metal material or macromolecular material.The locking seal wire 641 can also
Using metal material or macromolecular material.When suture 1c is pulled back, because suture 1c can be produced reversely to coupler body 642
Pulling force, in order to avoid coupler body 642 deforms, it is described locking the upper hook body 642 of seal wire 641 hardness more than locking seal wire 641
The hardness of upper remaining position.Coupler body 642 on the locking seal wire 641 can use different materials from remaining position, or
By different PROCESS FOR TREATMENTs, to ensure the hardness of coupler body 642.
Figure 12 shows 5th kind of structural representation of implementation method of break catching apparatus of the present invention, and the break catching apparatus employ one
Root it is more long tighten up line 650, this is tightened up into one end of line 650 through the suture 1c of isolating device, then turn back.Work as isolating device
Discharge when successfully, then unclamp the one end for tightening up line 650, and line 650 will be tightened up and extract out；When isolating device release is unsuccessful, then
The two ends for tightening up line 650 are extracted simultaneously, and isolating device is collected.
Present invention also offers a kind of interventional method of the isolating device of preloaded mode, it is comprised the 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 together delivered to the correct position of ventricle along sheath；
C) isolating device is discharged, and whether detection and isolation device discharges successfully；
If isolating device discharges successfully, perform
D10 suture) is unloaded, and conveyer is departed from isolating device, conveyer is together removed with break catching apparatus from sheath
Return；
If isolating device release is unsuccessful, perform
D20) conveyer is separated with isolating device, and recalls the conveyer；
D21) retracting device is sent into along sheath, after after flaring structure release, propulsion push rod withstands the middle part of isolating device；
D22) pull back break catching apparatus, collect the opening of isolating device, and isolating device is drawn in the enlarging of retracting device
In structure；
D23 whole break catching apparatus and retracting device) are withdrawn, the recovery of isolating device is completed.
The above method be to be pre-loaded with isolating device suture in the way of be implanted into or reclaimed, work as implantation success
Afterwards, then the connection of unloading break catching apparatus and suture, the break catching apparatus shown in Fig. 4 to Fig. 9, Figure 12 are required to the side of preloaded
Formula is reclaimed.
Present invention also offers a kind of interventional method of the isolating device of rear load mode, it is comprised the following steps：
A) isolating device is loaded on a conveyor, conveyer, isolating device is together delivered into the suitable of ventricle along sheath
Position；
D) break catching apparatus are discharged, and whether detection and isolation device discharges successfully；
If isolating device discharges successfully, perform
D10) conveyer and isolating device are departed from, and conveyer is recalled from sheath；
If isolating device release is unsuccessful, perform
D20) conveyer is separated with isolating device, and recalls the conveyer；
D21) retracting device and break catching apparatus are sent into along sheath, after after flaring structure release, is grabbed by break catching apparatus
Take the suture of isolating device；
D22) propulsion push rod withstands the middle part of isolating device, and break catching apparatus of pulling back collect the opening of isolating device, and will
Isolating device is drawn in the flaring structure of retracting device；
D23 whole break catching apparatus and retracting device) are withdrawn, the recovery of isolating device is completed.
The mode that the method is loaded after being is reclaimed, that is to say, that when the release of detection and isolation device is unsuccessful, will
Retracting 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
10th, the break catching apparatus shown in Figure 11 are adapted to the recovery of this rear load mode.
The difference of above-mentioned two method is that a kind of is using break catching apparatus and isolating device preloaded side in vitro
Formula, a kind of use break catching apparatus and isolating device rear load mode in vivo.Therefore, the interventional systems that the present invention is provided also may be used
To be divided into the interventional systems loaded after the interventional systems of isolating device preloaded and isolating device.
Interventional systems of the invention, when isolating device release is unsuccessful, can be by retracting device and break catching apparatus
Isolating device is reclaimed, using this transcatheter way of recycling, surgical operation can be avoided to be reclaimed what is brought
Damage.
Although being described in detail to some specific embodiments of the invention by example, the skill of this area
Art personnel it should be understood that above example is merely to illustrate, rather than in order to limit the scope of the present invention.The skill of this area
Art personnel to above example it should be understood that can modify without departing from the scope and spirit of the present invention.This hair
Bright scope is defined by the following claims.
Claims (10)
1. a kind of interventional systems of isolating device preloaded, the isolating device includes suture for collecting and connection
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 conveyed to isolating device in sheath；
The recovery system includes：For the retracting device and break catching apparatus that are conveyed in sheath, wherein：
The retracting device is included in the recovery conduit of conveying in sheath, and positioned at reclaim in conduit for withstand it is described every
From the push rod of device；
The suture of the isolating device is preloaded on break catching apparatus, and the break catching apparatus are configured as：When conveyer is released
Put successfully, then break catching apparatus unload the suture of the isolating device；When conveyer discharges unsuccessful, then withdraw and described arrest dress
Put, and the opening of isolating device is collected.
2. interventional systems according to claim 1, it is characterised in that：In the retracting device, in the recovery conduit
Distal end sets resilient flaring structure, and the flaring structure is configured as：The expansion is discharged 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 1, it is characterised in that：It is additionally provided with quickly in the side wall of the recovery conduit
Exchange mouth.
4. interventional systems according to claim 3, it is characterised in that：The quick exchange opening's edge the axial direction for reclaiming conduit
Extend.
5. interventional systems according to claim 1, it is characterised in that：The break catching apparatus include having proximally and distally
Outer tube, sets jagged on the tube wall of the outer tube；Also include the locking push rod stretched into from proximal outer tube, the locking push rod
It is configured as stretching to the position in outer tube more than breach；The locking push rod is matched somebody with somebody with outer tube in the gap of the gap position
It is set to and prevents the end of a thread of suture from passing through.
6. interventional systems according to claim 1, it is characterised in that：The break catching apparatus include having proximally and distally
Outer tube；Also include closure part, the closure part part blocks the distal end of the outer tube, and forms breach in distal end；
The check lock lever in outer tube is also connected to including radial rotating, is provided with the side wall of the check lock lever axially extending along its
Groove, the check lock lever is as follows with the matching relationship of outer tube：The check lock lever has one to turn to makes groove expose in breach position
The free state put；And groove is turned to the locking state of closure part position, in locking state, the distal end of the check lock lever
Gap between closure part is configured as preventing the end of a thread of suture from passing through.
7. interventional systems according to claim 1, it is characterised in that：The break catching apparatus include having proximally and distally
Outer tube, the distal end of the outer tube has blade surface, also including tightening up line for connection suture in advance through the outer tube；Also
Including the push rod stretched into from proximal outer tube, the position that the push rod stretches out distal outer tube is provided with for coordinating with the blade surface
Plug.
8. interventional systems according to claim 7, it is characterised in that：The outer tube integrally uses metal material, described outer
The outer wall of pipe distal end is in the conical surface, to form the blade surface.
9. interventional systems according to claim 7, it is characterised in that：The outer tube includes resin tubing, the blade surface shape
In the metal pipe mouth that Cheng Yu resin tubing links into an integrated entity.
10. interventional systems according to claim 1, it is characterised in that：The termination of the conveyer be provided with for every
From the threaded joints of device threaded connection.
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| CN201710021506.4A CN106859721B (en) | 2017-01-12 | 2017-01-12 | A kind of interventional systems of isolating device preloaded |
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| CN109806029A (en) * | 2017-11-21 | 2019-05-28 | 杭州德晋医疗科技有限公司 | Artificial cords implant system with negative pressure device |
| CN109833117A (en) * | 2017-11-28 | 2019-06-04 | 杭州德晋医疗科技有限公司 | Bilateral artificial cords implant system |
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|---|---|
| CN106859721B (en) | 2019-04-26 |
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