CN109044427A - Defect closer component and its interventional method - Google Patents
Defect closer component and its interventional method Download PDFInfo
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- CN109044427A CN109044427A CN201811058435.6A CN201811058435A CN109044427A CN 109044427 A CN109044427 A CN 109044427A CN 201811058435 A CN201811058435 A CN 201811058435A CN 109044427 A CN109044427 A CN 109044427A
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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
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
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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
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
- A61B2017/00575—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect for closure at remote site, e.g. closing atrial septum defects
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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
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
- A61B2017/00575—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect for closure at remote site, e.g. closing atrial septum defects
- A61B2017/00592—Elastic or resilient implements
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Abstract
The present invention provides a kind of defect closer component and its interventional methods, wherein defect closer component includes closer and puncture needle, closer includes: the punch head bendable of the body of rod, the outlet of first passage inside the body of rod is located at the inside when head bending of the body of rod, and the outlet of the second channel inside the body of rod is located at the lower section of the outlet of first passage；Pin configuration is movably disposed in the exit of first passage；Suture is penetrated in first passage and is connect with pin configuration, closer can enter human body with approach such as intravasculars, after closer is inserted into organ defect hole, the bending of body of rod head, puncture needle is passed through into second channel, organ defect hole surrounding tissue and is connect with pin configuration, when puncture needle exits, puncture needle drives pin configuration to move jointly, so that suture passes through organ defect hole surrounding tissue along the path that puncture needle exits.Technical solution of the present invention is able to solve transcatheter occlusion implanted metal plugging device and the problem of longer-term persistence can bring all multi-risk Systems.
Description
Technical field
The present invention relates to biomedical apparatus technical fields, in particular to a kind of defect closer component and its Jie
Enter method, mainly due to treatment acleistocardia and atrial septal defect.
Background technique
Oval foramen percutaneous transcatheter closure is the remedy measures for the Interventional congenital heart disease more early applied, and the country has been accumulated at present
More mature experience.In existing oval foramen percutaneous transcatheter closure, usually using around umbrella metal occlusion clip applicator damage in short supply
Tissue, to realize the closure to defect.However, plugging device is large-scale foreign matter, not only there are the risk that falls off, and implant
It will form thrombus after interior, patient needs the aspirin for taking at least half a year even so still to have some patientss endothelialization not
It is good, persistently generate thrombus.On the other hand, metal plugging device will retain in patient's body all the life, and there is abrasion surrounding tissue in long term, makes
At the risk of the complication such as cardiac perforation.
Summary of the invention
The main purpose of the present invention is to provide a kind of defect closer component and its interventional methods, to solve the prior art
In transcatheter occlusion the problem of needing implanted metal plugging device and longer-term persistence, all multi-risk Systems can be brought in this way.
To achieve the goals above, it according to an aspect of the invention, there is provided a kind of defect closer component, including closes
Clutch and puncture needle, closer include: the body of rod, have first passage and second channel inside the body of rod, the punch head bendable of the body of rod,
The import of first passage and the import of second channel are respectively positioned on the tail portion of the body of rod, and the head that the outlet of first passage is located at the body of rod is curved
Inside when folding, the outlet of second channel are located at the lower section of the outlet of first passage；Pin configuration is movably disposed in first
The exit in channel；Suture, suture are absorbable suture or nonabsorable suture, suture from first passage into
Mouth is penetrated in first passage and is connect with pin configuration, and after closer is inserted into organ defect hole, the head bending of the body of rod will be worn
Pricker sequentially passes through second channel, the tissue around organ defect hole and connect with pin configuration, when puncture needle exits, punctures
Needle drives pin configuration to move jointly, so that suture passes through the group around organ defect hole along the path that puncture needle exits
It knits.
Further, first passage is equipped with close to the position of its outlet and second channel close to the position of its outlet curved
Tune, so that the outlet of second channel can be directed at pin configuration when the head bending of the body of rod.
Further, pin configuration is buckle, has groove on buckle, is provided with barb on the inner wall of groove, works as puncture
The head of needle is protruded into groove, and the head of barbs hold puncture needle is so that puncture needle is able to drive the common movement of buckle.
Further, the longitudinal section of barb is triangular in shape, and the head of puncture needle has tip, and the head of puncture needle is along its diameter
The rest part of puncture needle is protruded to direction.
Further, the head of puncture needle and pin configuration all have metal portion, and bubble structure, gas are provided in metal portion
Bubble structure can make metal portion clearly develop under ultrasound, so as to be positioned under ultrasound guidance without using radiation
Line.
Further, pin configuration is the cloth for being filled in the exit of first passage, and the head of puncture needle has hangnail,
After cloth is inserted on the head of puncture needle, hangnail hooks cloth so that puncture needle is able to drive cloth and moves jointly.
Further, pin configuration is the first magnet, and the head of puncture needle has the second magnet, when the head of puncture needle is leaned on
When nearly first magnet, the first magnet attracts each other with the second magnet and connect, so that puncture needle is able to drive the first magnet and moves jointly
It is dynamic；Alternatively, defect closer component further includes third magnet and the metal portion that can be adsorbed by third magnet, third magnet and gold
A formation pin configuration in category portion, another in third magnet and metal portion are arranged in the head of puncture needle, work as puncture
When the head of needle is close to pin configuration, third magnet adsorbs metal portion, so that puncture needle is able to drive pin configuration and moves jointly
It is dynamic.
Further, the body of rod includes body of rod main body and the bent rod that is rotatably arranged in body of rod main body, bent rod
The head of the body of rod is formed, the outlet of second channel is located on the side wall of body of rod main body.
Further, first passage includes main channel section and subaisle section, and main channel section is arranged in body of rod main body, and pair is logical
Road section is arranged in bent rod, and diameter of the subaisle section close to one end of body of rod main body is less than main channel section close to the one of bent rod
The diameter at end, in bent rod rotation process, subaisle section is rotated with bent rod, and subaisle section and main channel section are always
Connection.
Further, the body of rod further includes the connection structure being connected between body of rod main body and bent rod, connection structure and bar
Phosphor bodies, bent rod are rotatably connected, and connection structure includes at least one section of connecting rod, each adjacent when connecting rod is multistage
Two sections of connecting rods between be rotatably connected.
Further, also there is third channel, the import of third channel is located at the tail portion of the body of rod, third channel inside the body of rod
Outlet be located at the head of the body of rod, third channel is used for across seal wire, so that closer can be admitted in vivo simultaneously along seal wire
It is inserted into organ defect hole.
According to another aspect of the present invention, a kind of interventional method of defect closer component is provided, successively includes following
Step:
Femoral vein is punctured, conduit and seal wire are sent into vivo, and is passed through in organ defect hole, exits conduit, retains seal wire；
Seal wire is penetrated into the third channel inside the body of rod of closer, closer is admitted in vivo along seal wire and is inserted into organ defect
Seal wire is exited in hole；The bent rod of the body of rod is bent to the side in organ defect hole, puncture needle is passed through into second channel, penetrator
Tissue around official's defect hole is simultaneously connect with the pin configuration on the inside of bent rod；Puncture needle is exited, puncture needle drives pin configuration
It is common mobile, so that the suture connecting with pin configuration passes through the group around organ defect hole along the path that puncture needle exits
It knits, exits closer, suture is through the side tissue in organ defect hole；It repeats the above steps, suture is through organ
The other side tissue in defect hole；It is knotted and is fastened by the suture that knotter 60 will be located at the two sides in organ defect hole, thus
It is closed organ defect hole.
It applies the technical scheme of the present invention, after closer is inserted into organ defect hole, first lacks on the head of the body of rod to organ
The side bending in hole is damaged, then puncture needle is passed through into second channel, the tissue around organ defect hole is pierced through and connects with pin configuration
It connects, is then log out puncture needle.When puncture needle exits, puncture needle drives pin configuration to move jointly, so that suture is along wearing
The path that pricker exits passes through the tissue around organ defect hole.Hereafter, the head of the body of rod is stretched, exits closer, sutured
Line is just through the side tissue in organ defect hole.It will be packed into new suture on closer or use new closer, weight
The suture, is through the other side tissue in organ defect hole by multiple aforesaid operations.Organ defect hole will be located at by knotter
Two sides suture knot fasten, thus make organ defect hole be closed.For atrial septal defect, above-mentioned behaviour can be repeated several times
Make, after squeezing into more sutures, then knots, defect can be closed completely.Using above-mentioned defect closer component, it need to only pass through suture
Line sutures defect, implanted metal plugging device is not necessarily to, so as to avoid the various risks of metal plugging device bring.This
Outside, reparation closure can also be carried out to various sizes of organ defect hole.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the schematic cross-sectional view of the closer of the embodiment one of defect closer component according to the present invention；
Fig. 2 shows enlarged diagrams at the A of the closer of Fig. 1；
Fig. 3 shows the schematic cross-sectional view when bent rod bending of the closer of Fig. 1；
The schematic cross-sectional view that Fig. 4 shows the closer of Fig. 3 and puncture needle matches；
Fig. 5 shows structural representation when repairing atrial septal defect hole (oval foramen) using the defect closer component of Fig. 1
Figure；
Fig. 6 shows enlarged diagram at the defect closer component of Fig. 5 and the B in atrial septal defect hole；And
Fig. 7 shows the structural schematic diagram of the knotter of the defect closer component of Fig. 1.
Wherein, the above drawings include the following reference numerals:
10, puncture needle；20, the body of rod；21, first passage；22, second channel；23, body of rod main body；24, bent rod；25,
Triple channel；30, suture；40, it buckles；41, barb；50, organ defect hole；60, knotter；61, hook portion；70, bubble structure.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figures 1 to 7, the defect closer component of embodiment one is for oval foramen (or heart atrial septal defect)
Closure is repaired.Specifically, above-mentioned defect closer component includes closer and puncture needle 10.Closer includes the body of rod 20, lead
Structure and suture 30.Wherein, there is first passage 21 and second channel 22 inside the body of rod 20.The punch head bendable of the body of rod 20.
The import of first passage 21 and the import of second channel 22 are respectively positioned on the tail portion of the body of rod 20.The outlet of first passage 21 is located at the body of rod
On the side wall on 20 head, and the outlet of first passage 21 is on its inside when the bending of the head of the body of rod 20.Second channel
22 outlet is located at the lower section of the outlet of first passage 21.Pin configuration is movably disposed in the exit of first passage 21.
Suture 30 is penetrated in first passage 21 from the import of first passage 21 and is connect with pin configuration.In addition, inside the body of rod 20 also
With third channel 25.The import of third channel 25 is located at the tail portion of the body of rod 20.The outlet of third channel 25 is located at the body of rod 20
Head.Third channel 25 is used for across seal wire, so that closer can be admitted in vivo along seal wire and be inserted into organ defect hole
50。
Using the defect closer component of the present embodiment, femoral vein is first punctured, conduit and seal wire are sent into vivo, and is passed through
In organ defect hole 50, conduit is exited, retains seal wire.Seal wire is penetrated into third channel 25 again, closer is admitted to along seal wire
In vivo and it is inserted into organ defect hole 50, exits seal wire.When closer be inserted into organ defect hole 50 after, first by the head of the body of rod 20 to
The side in organ defect hole 50 is bent, then puncture needle 10 is passed through second channel 22, pierces through the tissue around organ defect hole 50
And connect with pin configuration, it is then log out puncture needle 10.When puncture needle 10 exits, puncture needle 10 drives pin configuration to move jointly
It is dynamic, so that suture 30 passes through the tissue around organ defect hole 50 along the path that puncture needle 10 exits.Hereafter, the body of rod 20
Head stretch, be sent into seal wire along third channel 25 again, retain seal wire in internal, exit closer, suture 30 is just through
The side tissue in organ defect hole 50.It will be packed into new suture 30 on closer or use new closer, along reservation
Seal wire insertion organ defect hole 50 in, repeat aforesaid operations, which is through to the other side group in organ defect hole 50
It knits.It is knotted and is fastened by the suture 30 that knotter 60 will be located at the two sides in organ defect hole 50, to make organ defect hole
50 (oval foramens) closure.Using above-mentioned defect closer component, defect need to only be sutured by suture 30, be not necessarily to
Implanted metal plugging device, so as to avoid the various risks of metal plugging device bring.Further, it is also possible to various sizes of organ
Defect hole 50 carries out reparation closure.
It should be noted that in the present embodiment, defect closer component is for repairing oval foramen.Certainly, in other realities
It applies in mode, defect closer component can be used for other kinds of defect, such as can be used for repairing heart atrial septal defect,
When repairing atrial septal defect, aforesaid operations can be repeated several times, after squeezing into more sutures, then knot, can be closed completely scarce
Damage.In addition, in the present embodiment, suture 30 is absorbable thread, which is absorbed by the body after endothelialization, realizes that noresidue is controlled
Treat heart disease.Certainly, suture 30 or nonabsorable line.
As shown in Figure 3 and Figure 4, in the defect closer component of embodiment one, position of the first passage 21 close to its outlet
Set and second channel 22 close to its outlet position be equipped with bending section, can make in this way the body of rod 20 head bend when second
The outlet in channel 22 can be directed at pin configuration.That is, at this point, the center line and pin configuration of the outlet of second channel 22
Center line be located in a straight line.Above structure can make puncture needle 10 from second channel 22 come out after, push process forward
In will not prick otherwise, in the pin configuration that first passage 21 can be enter precisely intoed, its hetero-organization will not be damaged.
As shown in Figure 2 and Figure 6, in the defect closer component of embodiment one, pin configuration is buckle 40.On buckle 40
With groove, barb 41 is provided on the inner wall of groove.In the present embodiment, barb 41 extends one along the circumferential direction of groove
Circle, the barb 41 can regard the inwardly protruding formation of the inner wall of groove as.The longitudinal section of barb 41 is triangular in shape.Puncture needle 10
Head have tip (in the present embodiment, the longitudinal section on the head of puncture needle 10 is also in triangular shape, i.e. the head of puncture needle 10
In triangle cone), radially direction protrudes from the rest part of puncture needle 10 on the head of puncture needle 10.When the head of puncture needle 10
When portion just protrudes into groove, the triangle conical surface on 10 head of puncture needle and the contact of incline plane of barb 41 are slided, the head of puncture needle 10
After being fully inserted into, the bottom surface on 10 head of puncture needle is blocked in the bottom surface of barb 41, to hook the head of puncture needle 10, and then makes to wear
It is jointly mobile that pricker 10 is able to drive buckle 40.
The buckle 40 with barb 41 is set by pin configuration, the head of puncture needle 10, structure are hooked by barb 41
Simply, and the connection of pin configuration and puncture needle 10 can be made relatively reliable.And a circle is set by barb 41, further protect
Connection reliability has been demonstrate,proved, has been effectively prevented between buckle 40 and the head of puncture needle 10 and falls off.Similarly, puncture needle 10
Radially direction protrudes from the rest part of puncture needle 10 on head, also for the portion that the head of puncture needle 10 can be made to protrude
The bottom surface divided is matched with barb 41, to further ensure connection reliability.In addition, the head of puncture needle 10 is in pyrometric cone
The longitudinal section of shape, barb 41 is triangular in shape, and the contact of incline plane of the triangle conical surface and barb 41 that can make puncture needle 10 in this way slides,
Play the role of guiding, so that the head of puncture needle 10 be made to be easier in the U-lag for protruding into buckle 40.
It should be noted that the concrete form of pin configuration is without being limited thereto, in other embodiments not shown in the figure,
Pin configuration can be the structure that other can connect with the head of puncture needle.In the present embodiment, it is in cylinder that buckle 40 is whole
Shape, center open up a groove, and barb 41 is set as a circle along the circumferential side wall of groove, certainly, buckle 40 structure, barb
41 number and shape are also not necessarily limited to this, and in other embodiments not shown in the figure, buckle can be overall U-shaped, in
Side is provided with barb, and barb is symmetrically arranged two.Barb can be angularly disposed strip hangnail, and the quantity of barb can also
To be only one or three or more, as long as the head of puncture needle can be hooked.In addition, the head of puncture needle 10 is also not necessarily limited to
In triangle cone, in other embodiments not shown in the figure, the shape on the head of puncture needle can integrally be similar to triangle
The combined shaped of cone and cylinder, as long as can make the head of puncture needle, radially direction protrudes from the rest part of puncture needle i.e.
It can.
As shown in Fig. 2, Fig. 4 and Fig. 6, in the defect closer component in embodiment one, the head of puncture needle 10 and
Pin configuration all has metal portion, and bubble structure 70 is provided in metal portion, and bubble structure 70 can make metal portion clear under ultrasound
Clear development, so as to be positioned under ultrasound guidance without using radioactive ray.Specifically, in the fabrication process, golden
It is mixed with microbubble in category, to form bubble structure 70 in metal portion after shaping, puncture needle 10 can be enhanced in this way
The echo of head and pin configuration under ultrasound, shows as highlighted bright spot on the ultrasound image, can be used to position, make to puncture
Point is far from vital tissue.
It should be noted that in the present embodiment, the entirety on the head of puncture needle 10 and the entirety of pin configuration are by gold
Belong to material to be made, that is to say, that metal portion is integrally formed in the entirety on the head of puncture needle 10 and pin configuration.Certainly, metal
The generation type in portion is without being limited thereto, and in other embodiments, metal portion can be only head, the lead knot that puncture needle is arranged in
The metal structures such as metal block or sheet metal on structure.
As shown in Fig. 1, Fig. 3 and Fig. 4, in the defect closer component of embodiment one, the body of rod 20 includes body of rod main body
23 and the bent rod 24 that is rotatably arranged in body of rod main body 23.The head of the formation body of rod 20 of bent rod 24.Second channel
22 outlet is located on the side wall of body of rod main body 23.In the present embodiment, bent rod 24 is connect with body of rod main body 23 by shaft,
Bent rod 24 can pivot in the setting plane of body of rod main body 23.The length of bent rod 24 is 1~10cm, preferably 2cm.Closer
The angle of body of rod main body 23 and bent rod 24 is 10~160 degree, preferably 60 degree.Closer further includes being arranged in 23 tail of body of rod main body
The rotation control unit in portion, capable of controlling the rotation of bent rod 24 by the rotation control unit, (specific implementation is in the prior art
Have very much, such as control shaft rotation in such a way that knob, silk thread, shaft match).First passage 21 includes main channel section
And subaisle section, main channel section are arranged in body of rod main body 23, subaisle section is arranged in bent rod 24, and subaisle section is close to bar
The diameter of one end of phosphor bodies 23 is less than main channel section close to the diameter of one end of bent rod 24.It is secondary when bent rod 24 rotates
Channel section is rotated with bent rod 24, but to remain that subaisle section corresponds to main channel close to the port of body of rod main body 23
Section can be such that subaisle section is connected to always with main channel section in this way close to the port of bent rod 24.
It should be noted that the rotation connection mode between bent rod 24 and body of rod main body 23 is not limited by shaft company
It connects, in other embodiments not shown in the figure, bent rod can be attached with body of rod main body by other connection structures
(detailed in Example five)；Bent rod 24 is also not necessarily limited to pivot in the setting plane of body of rod main body 23, in other embodiments,
Bent rod can also be rotated relative to any direction of body of rod main body.In addition, the concrete form of the body of rod 20 is without being limited thereto, in figure
In unshowned other embodiments, the body of rod may be the flexible link of an entirety, and head can be bent.
The defect closer component (not shown) and the main distinction of embodiment one of embodiment two be, pin configuration
For be filled in first passage exit cloth, the head of puncture needle has hangnail.After cloth is inserted on the head of puncture needle,
Hangnail hooks cloth so that puncture needle is able to drive cloth and moves jointly.In addition, the other structures and working principle of embodiment two
Essentially identical with embodiment one, details are not described herein.
The defect closer component (not shown) and the main distinction of embodiment one of embodiment three be, pin configuration
Head for the first magnet, puncture needle has the second magnet.When the head of puncture needle is close to the first magnet, the first magnet and
Two magnet attract each other connection, so that puncture needle is able to drive the first magnet and moves jointly.In addition, the other structures of embodiment three
Essentially identical with working principle and embodiment one, details are not described herein.
The defect closer component (not shown) and the main distinction of embodiment one of example IV are that defect is closed
Device assembly further includes third magnet and the metal portion that can be adsorbed by third magnet, a formation in third magnet and metal portion
The head of puncture needle is arranged in pin configuration, another in third magnet and metal portion.When the head of puncture needle is close to lead
When structure, third magnet adsorbs metal portion, so that puncture needle is able to drive pin configuration and moves jointly.In addition, example IV
Other structures and working principle and embodiment one it is essentially identical, details are not described herein.
The defect closer component (not shown) and the main distinction of embodiment one of embodiment five are that the body of rod also wraps
Include the connection structure being connected between body of rod main body and bent rod.Connection structure is rotatably connected with body of rod main body, bent rod.
Connection structure includes one or more snippets connecting rod.When connecting rod is multistage, rotatably connect between each two sections of adjacent connecting rods
It connects.Above-mentioned connection structure can function similarly to the effect in joint, to keep the slewing area of bent rod bigger.In addition, implementing
The other structures and working principle of example five are essentially identical with embodiment one, and details are not described herein.
The defect closer component of embodiment six and the main distinction of embodiment one be, the defect closer of embodiment one
Component is used for the closure reparation of oval foramen, and the defect closer component of embodiment six is combined with existing plugging device, with reality
Now to the closure reparation of large-scale atrial septal defect.Specifically, for large-scale atrial septal defect, atrial septal defect surrounding needs
There are enough edges that could be blocked with existing plugging device, if atrial septal defect part edge is insufficient, plugging device can be because
The support force at the position not enough falls off.Therefore, the defect closer component that such patient can first pass through the present embodiment is lacking
It damages the enough parts in edge and is implanted into two symmetrical nonabsorable sutures, above-mentioned two sutures are knotted and are tensed.Although by
It is larger in defect, two sides secundum tissues cannot be connected to together by two sutures, but suture is horizontal in defect,
Defect is separated into two lesser defects of size, one of defect surrounding with the help of suture possess enough edges and
Support force can be implanted into existing common plugging device, since the umbrella disk of common plugging device is 14mm bigger than waist diameter, the plugging device
Umbrella disk can cover atrial septal defect and be sewn the another part that line separates, two kinds of instrument use in conjunction can make
The patient for being unable to transcatheter in the past obtains minimally-invasive treatment.
Present invention also provides a kind of interventional methods of defect closer component, according to the implementation of the interventional method of the application
Example successively the following steps are included:
Femoral vein is punctured, conduit and seal wire are sent into vivo, and is passed through in organ defect hole 50, exit conduit, reservation is led
Silk；
Seal wire is penetrated into the third channel 25 inside the body of rod 20 of closer, closer is admitted to internal and inserts along seal wire
Enter organ defect hole 50, exits seal wire；
By the bent rod 24 of the body of rod 20 to the side in organ defect hole 50 bend, by puncture needle 10 pass through second channel 22,
It pierces through the tissue around organ defect hole 50 and is connect with the pin configuration of 24 inside of bent rod；
Puncture needle 10 is exited, puncture needle 10 drives pin configuration to move jointly, so that is connect with pin configuration is absorbable
The path exited along puncture needle 10 of suture 30 pass through the tissue around organ defect hole 50, hereafter, the head of the body of rod 20
Portion is stretched, and is sent into seal wire along third channel 25 again, retains seal wire in internal, exits closer, and suture 30 is through organ and lacks
Damage the side tissue in hole 50；
It will be packed into new suture 30 on closer or use new closer, be inserted into organ defect along the seal wire retained
It in hole 50, repeats the above steps, which is through to the other side tissue in organ defect hole 50；
It is knotted and is fastened by the suture 30 that knotter 60 will be located at the two sides in organ defect hole 50, to make organ defect
Hole 50 is closed.
Wherein, as shown in fig. 7, there is hook portion 61 will first be located at organ defect when specific operation on the head of knotter 60
The suture 30 of the two sides in hole 50 stretches out external free end and is tied, then passes through the knot that the hook portion 61 of knotter 60 will be fastened
It is pushed into internal tie-down.Certainly, the concrete form of knotter 60 is without being limited thereto, in other embodiments not shown in the figure,
Knotter can also be with trimming function.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of defect closer component, which is characterized in that include: including closer and puncture needle (10), the closer
The body of rod (20), the body of rod (20) is internal to have first passage (21) and second channel (22), the head of the body of rod (20)
Portion is bent, and the import of the first passage (21) and the import of the second channel (22) are respectively positioned on the tail of the body of rod (20)
Portion, the outlet of the first passage (21) are located at the inside when head bending of the body of rod (20), the second channel (22)
Outlet be located at the first passage (21) outlet lower section；
Pin configuration is movably disposed in the exit of the first passage (21)；
Suture (30), the suture are absorbable suture or nonabsorable suture, and the suture (30) is from described
The import of first passage (21) is penetrated in the first passage (21) and is connect with the pin configuration, when the closer is inserted into
Behind organ defect hole (50), the head of the body of rod (20) is bent, and the puncture needle (10) is sequentially passed through the second channel
(22), it the tissue around the organ defect hole (50) and is connect with the pin configuration, when the puncture needle (10) exits,
The puncture needle (10) drives the pin configuration to move jointly, so that the suture (30) is moved back along the puncture needle (10)
Path out passes through the tissue around the organ defect hole (50).
2. defect closer component according to claim 1, which is characterized in that the first passage (21) is close to its outlet
Position and the second channel (22) close to its outlet position be equipped with bending section so that the head of the body of rod (20)
The outlet of the second channel (22) can be directed at the pin configuration when bending.
3. defect closer component according to claim 1, which is characterized in that the pin configuration is buckle (40), institute
Stating has groove on buckle (40), barb (41) are provided on the inner wall of the groove, when the head of the puncture needle (10) is stretched
Enter in the groove, the barb (41) hooks the head of the puncture needle (10) so that the puncture needle (10) is able to drive institute
It is jointly mobile to state buckle (40).
4. defect closer component according to claim 3, which is characterized in that the longitudinal section of the barb (41) is in triangle
Shape, the head of the puncture needle (10) have tip, and radially direction protrudes from described wear on the head of the puncture needle (10)
The rest part of pricker (10).
5. defect closer component according to any one of claim 1 to 4, which is characterized in that the puncture needle (10)
Head and the pin configuration all have metal portion, bubble structure (70), the bubble structure are provided in the metal portion
(70) metal portion can be made clearly to develop under ultrasound, is put so as to be positioned under ultrasound guidance without using
Ray.
6. defect closer component according to claim 1, which is characterized in that the pin configuration is to be filled in described the
The head of the cloth in the exit in one channel, the puncture needle has hangnail, when the cloth is inserted on the head of the puncture needle
Afterwards, cloth is stated so that the puncture needle is able to drive the cloth and moves jointly in the barb residence.
7. defect closer component according to claim 1, which is characterized in that the pin configuration is the first magnet, institute
The head for stating puncture needle has the second magnet, when the head of the puncture needle is close to first magnet, first magnet
It attracts each other and connect with second magnet, so that the puncture needle is able to drive first magnet and moves jointly；Alternatively, institute
State defect closer component further include third magnet and can by the third magnet adsorb metal portion, the third magnet and
One in the metal portion forms the pin configuration, another setting in the third magnet and the metal portion is in institute
The head for stating puncture needle, when the head of the puncture needle is close to the pin configuration, the third magnet adsorbs the gold
Category portion, so that the puncture needle is able to drive the pin configuration and moves jointly.
8. defect closer component according to claim 1, which is characterized in that the body of rod (20) includes body of rod main body
(23) and the bent rod (24) that is rotatably arranged on the body of rod main body (23), the bent rod (24) form the bar
The outlet on the head of body (20), the second channel (22) is located on the side wall of the body of rod main body (23).
9. defect closer component according to claim 8, which is characterized in that the first passage (21) includes main channel
Section and subaisle section, in the body of rod main body (23), the subaisle section is arranged in the bending for the main channel section setting
In bar (24), diameter of the subaisle section close to one end of the body of rod main body (23) is less than the main channel section close to described
The diameter of one end of bent rod (24), in the bent rod (24) rotation process, the subaisle section is with the bent rod
(24) it rotates, and the subaisle section is connected to always with the main channel section.
10. defect closer component according to claim 8, which is characterized in that the body of rod further include be connected to it is described
Connection structure between body of rod main body and the bent rod, the connection structure and the body of rod main body, the bent rod
Rotation connection, the connection structure include at least one section of connecting rod, when the connecting rod is multistage, described in each adjacent two sections
It is rotatably connected between connecting rod.
11. defect closer component according to claim 1, which is characterized in that the body of rod (20) is internal also to have the
Triple channel (25), the import of the third channel (25) are located at the tail portion of the body of rod (20), and the third channel (25) goes out
Mouthful it is located at the head of the body of rod (20), the third channel (25) is used for across seal wire, so that the closer can be along
The seal wire is admitted in vivo and is inserted into the organ defect hole (50).
12. a kind of interventional method of defect closer component, which is characterized in that successively the following steps are included:
Femoral vein is punctured, conduit and seal wire are sent into vivo, and is passed through in organ defect hole (50), exit the conduit, is retained
The seal wire；
The internal third channel (25) of the body of rod (20) that the seal wire is penetrated closer, the closer is along the seal wire quilt
It is sent into vivo and is inserted into the organ defect hole (50), exit the seal wire；
The bent rod (24) of the body of rod (20) is bent to the side of the organ defect hole (50), puncture needle (10) is passed through
Second channel (22), pierce through tissue around the organ defect hole (50) and with the lead knot on the inside of the bent rod (24)
Structure connection；
It exits the puncture needle (10), the puncture needle (10) drives the pin configuration to move jointly, so that with the lead
The suture (30) of structure connection passes through around the organ defect hole (50) along the path that the puncture needle (10) exits
Tissue, exits the closer, the suture (30) is through the side tissue of the organ defect hole (50)；
It repeats the above steps, the suture (30) is through to the other side tissue of the organ defect hole (50)；
It is knotted and is fastened by the suture (30) that knotter 60 will be located at the two sides of the organ defect hole (50), to make
Organ defect hole (50) closure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811058435.6A CN109044427B (en) | 2018-09-11 | 2018-09-11 | Defect closure assembly and method of intervention |
| PCT/CN2018/112649 WO2020052016A1 (en) | 2018-09-11 | 2018-10-30 | Defect closure device assembly and intervention method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811058435.6A CN109044427B (en) | 2018-09-11 | 2018-09-11 | Defect closure assembly and method of intervention |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109044427A true CN109044427A (en) | 2018-12-21 |
| CN109044427B CN109044427B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811058435.6A Active CN109044427B (en) | 2018-09-11 | 2018-09-11 | Defect closure assembly and method of intervention |
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| Country | Link |
|---|---|
| CN (1) | CN109044427B (en) |
| WO (1) | WO2020052016A1 (en) |
Cited By (1)
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|---|---|---|---|---|
| CN114343746A (en) * | 2022-01-07 | 2022-04-15 | 复旦大学附属中山医院 | Oval hole closing clamp |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117224179B (en) * | 2023-09-05 | 2024-02-23 | 南京思脉德医疗科技有限公司 | Stitch adjusting mechanism for suturing and suturing device for patent foramen ovale |
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| CN114343746B (en) * | 2022-01-07 | 2024-03-15 | 上海傲流医疗科技有限公司 | Foramen ovale closing clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109044427B (en) | 2023-10-20 |
| WO2020052016A1 (en) | 2020-03-19 |
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