CN108652690A - A kind of apex of the heart closing device - Google Patents
A kind of apex of the heart closing device Download PDFInfo
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- CN108652690A CN108652690A CN201810772145.1A CN201810772145A CN108652690A CN 108652690 A CN108652690 A CN 108652690A CN 201810772145 A CN201810772145 A CN 201810772145A CN 108652690 A CN108652690 A CN 108652690A
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- Prior art keywords
- apex
- heart
- closing device
- puncture needle
- positioning element
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- 238000013461 design Methods 0.000 claims description 6
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- 210000000038 chest Anatomy 0.000 description 6
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- 208000035478 Interatrial communication Diseases 0.000 description 1
- 208000001910 Ventricular Heart Septal Defects Diseases 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 208000013914 atrial heart septal defect Diseases 0.000 description 1
- 206010003664 atrial septal defect Diseases 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0469—Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00238—Type of minimally invasive operation
- A61B2017/00243—Type of minimally invasive operation cardiac
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
- A61B2017/0409—Instruments for applying suture anchors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0469—Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery
- A61B2017/0472—Multiple-needled, e.g. double-needled, instruments
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rheumatology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of apex of the heart closing devices, the device includes lancet and means, positioning element and capturing means, the lancet and means have more hollow puncture needles, the positioning element has the mounting hole with the puncture needle corresponding number, for passing through and fixing the puncture needle, the positioning element also has through-hole, the capturing means are allowed to extend there through, the capturing means have the snare structure with the puncture needle corresponding number, and the snare structure can convert between the first form of compression and the second form of expansion.The apex of the heart closing device of the present invention can help doctor's quickly and easily closed-heart in hybridization is performed the operation, and avoid since exposed area is small, be unfavorable for the problem of doctor operates.
Description
Technical field
The invention belongs to medical instruments fields, are related to a kind of apex of the heart closing device.
Background technology
Cardiac operation be minimally invasive operative catheter invention before standard procedures, still occupy at present in medical profession very high
Status, but surgical operation has the shortcomings that wound is big, needs that extracorporal circulatory system, distress level are high, it is slow to restore, risk is high, half with
On patient due to be not resistant to surgical operation or fear operation and cannot effectively treat.And complete minimally invasive operative catheter
It is that a kind of modus operandi that heart carries out treatment disease is entered by peripheral blood vessel, which only need to be quiet in patient's femoral artery or stock
At arteries and veins puncture about 1 meter of a root long sheath reach heart, courses of action are longer, and if patient's peripheral blood vessel itself have disease
Disease, such mode cannot be treated.Medical field has invented a kind of operation minimally invasive through chest again at present, is commonly called as hybridization hand
Art has used conduit, has also opened chest.But described herein chest of opening is in surgical operation unlike needing breastbone of riving, and dismantles one
Two rib cages, wound are up to 15 centimetres, and chest described herein of opening cuts skin, muscle only between two rib cages, exposes heart,
About 2 centimetres of length enters endocardial with conduit puncture cardiac muscle again later and is treated.Hybridization operation at present can be used for controlling
Treat the treatment of a variety of diseases such as atrial septal defect, ventricular septal defect, valve replacement.
Because in hybridization operation, situations such as after conduit is withdrawn from, needing closed-heart muscle, bleeding otherwise can occur, still
Exposed area is again small, is unfavorable for doctor's operation, operation difficulty is higher, needs masterful technique that can reach.Therefore, this field skill
Art personnel are dedicated to developing a kind of device that can quickly and easily solve the problems, such as doctor's closed-heart in hybridization is performed the operation.
Invention content
In view of disadvantages mentioned above of the existing technology, the present invention provides a kind of apex of the heart closing device, which includes
There are more hollow puncture needles, the positioning element to have for lancet and means, positioning element and capturing means, the lancet and means
With the mounting hole of the puncture needle corresponding number, it is used for across and fixes the puncture needle, the positioning element also has through-hole,
The capturing means are allowed to extend there through, the capturing means have the snare structure with the puncture needle corresponding number, and institute
Snare structure is stated to convert between the first form of compression and the second form of expansion.
Further, there is the conduit being axially arranged, the through-hole to be arranged in the conduit at the middle part of the positioning element
It is internal；Preferably, the distal end of the conduit is cusp design, can puncture heart tissue, and it is logical to provide conveying for minimally invasive intervention apparatus
Road, such as conveying guiding wire, and the capturing means are also the predeterminated position being transported to by the conduit in heart.
Preferably, the internal diameter of the conduit is 1.2~5mm, and the outlet bore of distal tip is 0.8~3.0mm, most preferably
2.0mm can pass through guiding wire and the snare structure in the first form.
The positioning element is cylindric in the preferred embodiment of the present invention, flat in its distal flat surface and proximal end
It is both provided with the mounting hole of corresponding number on face, passes through and fixes for the puncture needle on the lancet and means.It is further preferred that
The positioning element has the lock chamber that mounting hole is corresponded in the distal flat surface and the proximal end plane, for the puncture
Needle is inserted into and stretches out.
Optionally, the positioning element be integrally formed making or by pipe assembling inside outer layer cylindrical tube and Duo Gen and
At.
Further, the quantity of the puncture needle is preferably 4~8.
Further, the outer diameter of the puncture needle is preferably 0.3~1.2mm, most preferably 0.5mm；The aperture of the mounting hole
Preferably 0.3~1.2mm, most preferably 0.5mm, the aperture of mounting hole should be such that puncture needle may pass through and slightly than the outer diameter of puncture needle
Greatly, but in order to which preferably fixed puncture needle, aperture can not be too big, it is best for just may pass through with puncture needle.
In the preferred embodiment of the present invention, the lancet and means have pedestal and fix on the base
More root puncture needles, the pedestal can be with the proximal end plane of the positioning element against to prevent lancet and means to distal displacement；
Further, thus the other conduits for having perforations to use in the capturing means or operation in the middle part of the pedestal are inserted into institute
In the through-hole for stating positioning element.
Preferably, the positioning element uses the high molecular material of good biocompatibility, including but not limited to：Polyformaldehyde
POM, polythene PE, nylon PA, polypropylene PP, polyvinylchloride, acrylonitrile-butadiene-styrene copolymer ABS, nylon bullet
Property body Pebax, polyurethane PU；Or the positioning element uses metal material, including but not limited to：Stainless steel, titanium alloy.
Further, the capturing means include the conveying lever of proximal end and the snare structure of distal end, by the positioning element
The through-hole as transfer passage, when the snare structure is inside the through-hole be in first form, in order to
Conveying, is gradually transformed to second form, to be carried out to suture after the snare structure is stretched out from the through-hole
Crawl.
Preferably, the snare structure is made of shape-memory material, such as dilval, nickel-titanium alloy material, in body
Be designed to a kind of form of expansion outside, and then compressed in the transfer passage of positioning device, stretch out the transfer passage with
It can restore original form afterwards；In addition the deformation of shape-memory material also can be temperature controlled, is first such as under 0 DEG C of room temperature
Form is the second form in 37 DEG C of human body.
Preferably, the reticular structure that an entirety is combined into puncture needle corresponding number snare structure；
The reticular structure of further preferably close volume.
The present invention is installed with suture, first with the positioning when carrying out apex of the heart closed procedure in the every puncture needle
The endpoint of suture is sent the puncture needle to heart across cardiac muscular tissue, the capturing means by subassembly selection good position
Then the snare structure is sent to heart across the apex of the heart by the through-hole, the snare structure into endocardial gradually expands
And corresponding suture endpoint is entangled, it withdraws the capturing means and the suture is drawn over to one's side and is withdrawn to outside heart, or even is external,
Easily all sutures can be knotted together at this time, then cut the end of a thread in ferrule arrangement, the seam in puncture needle of pulling back
The tieing of zygonema, knotting just returns in heart, then withdraws puncture needle, by suture close to two two-combats again of one end of puncture needle
Knot, you can complete the apex of the heart and be closed.
Further, the apex of the heart closing device further includes suture.
Based on the above structure of apex of the heart closing device, determine for the apex of the heart closing device the present invention also provides a kind of
Position device, the middle part of the device have the conduit being axially arranged, and are cusp design, the conduit at the distal openings of the conduit
Around be provided with multiple puncture needle lock chambers.Preferably, the positioning element is cylindric.
The present invention also provides a kind of sting device for the apex of the heart closing device, the sting device have pedestal with
And fixed more root puncture needles on the base.
The present invention also provides a kind of acquisition equipment for the apex of the heart closing device, which has proximal end
Multiple snare structures of conveying lever and distal end.
Snare structure of the present invention includes but not limited to round snare, can also be rectangular, triangle, diamond shape, parallel
The snares structure such as quadrangle, trapezoidal, pentagon, hexagon, irregular shape.
" axial direction " of the present invention refers to being closed along the apex of the heart between operator operating position and patient's heart operative site
The direction set is attached together, " distal end " the described one end of apex of the heart closing device far from operator when referring to operation, " proximal end " refers to
The apex of the heart closing device leans on one end of proximal operator when operation.
The apex of the heart closing device of the present invention can help doctor's quickly and easily closed-heart in hybridization is performed the operation, and avoid
Since exposed area is small, it is unfavorable for the problem of doctor operates.
The apex of the heart closing device of the present invention can be also used for the wound for being closed other hollow organs.
The technique effect of the design of the present invention, concrete structure and generation is described further below with reference to attached drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
Description of the drawings
Fig. 1 is the structural schematic diagram of a preferred embodiment of the invention；
Fig. 2 is the structural schematic diagram of lancet and means preferred embodiment of the present invention；
Fig. 3 is that the lancet and means in Fig. 2 put on the structural schematic diagram after suture；
Fig. 4 is the structural schematic diagram of positioning element preferred embodiment of the present invention；
Fig. 5 is the structural schematic diagram of capturing means preferred embodiment of the present invention；
Fig. 6 is the structural schematic diagram of another preferred embodiment of capturing means of the present invention；
Fig. 7 is the structural schematic diagram of capturing means another preferred embodiment of the present invention；
Fig. 8 is that capturing means of the present invention are pulled back the effect diagram of the suture line loop formed after suture；
Fig. 9 is the schematic diagram for the suture layout structure that the present invention is formed in heart position to be closed.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
It is a preferred embodiment of the present invention shown in Fig. 1, which includes lancet and means 1, positioning element 2
With capturing means 3；As shown in Fig. 2, the lancet and means 1 are made of the hollow puncture needle 12 of pedestal 11 and Duo Gen；Such as Fig. 4 institutes
Show, the positioning element 2 is cylinder, and middle part has the conduit 21 being axially arranged, and interior to be equipped with through-hole, the distal end of conduit 21 is
Cusp design is respectively arranged with the fixation with the puncture needle corresponding number on the proximal end plane and distal flat surface of positioning element 2
Hole 22 and 23 is used for across and fixes puncture needle 12；It is illustrated in figure 5 a preferred embodiment of capturing means of the present invention, it should
Capturing means include the conveying lever 31 of proximal end and the snare structure 32 of distal end, and snare structure described in the present embodiment is a circle
Ring, capturing means snare structure shown in fig. 6 are also annulus, and quantity corresponds to the quantity of puncture needle, and Fig. 7 show capture portion
Another preferred embodiment of part, the snare structure 32 of distal end are the reticular structure of close volume.The snare structure 32 is using note
Recall alloy material to be made, Fig. 5-7 show the second form of its expansion, also can be compressed as the first form, makes it that can pass through
Conveyance conduit enters heart, and after institute's snare structure 32 is pushed out conduit 21 of positioning element 2, which can restore former
Shape.The structure of the present invention is not unique, and the structure of any achievable principle of the invention and effect is all feasible.
The quantity of puncture needle 12 is preferably 4~8 (as shown in the figure is 4) in the present invention, and the outer diameter of puncture needle 12 is preferred
Aperture for 0.3~1.2mm, corresponding mounting hole 22 and 23 is preferably also 0.3~1.2mm, and puncture needle is enable to pass through just, and
It will not shake, and puncture needle can also be that head is hook type other than linear；Conduit among positioning element 2
21 internal diameter is preferably 1.2~5mm, and the outlet bore of distal tip is preferably 0.8~13.0mm, in the surrounding plane of conduit 21
Location hole, i.e. proximal end plane location hole 22 and distal flat surface location hole 23 is also distributed with；The proximal end plane of positioning element 2 can with wear
The pedestal 11 of thorn component 1 abuts, to prevent lancet and means unexpectedly mobile to distal end when carrying out apex of the heart closure.
It in the present invention, can also be for if the positioning element 2 can be made by digging out dry passage among solid material
Cost and weight consideration are designed to hollow component, and can be by thin between proximal end plane location hole 22 and distal flat surface location hole 23
Original pipe is connected, and no practical pipeline is also feasible between certain location hole, as long as the hole of distal flat surface and proximal end plane is one by one
Correspondence.The positioning element 2 preferably use good biocompatibility high molecular material, as polyformaldehyde POM, polythene PE,
Nylon PA, polypropylene PP, polyvinylchloride, acrylonitrile-butadiene-styrene copolymer ABS, nylon elastomer Pebax, gather
Urethane PU etc., or metal material can also be used, such as stainless steel, titanium alloy.
The distal end of the capturing means 3 have snare structure 32, the snare structure at least have there are one closed loop, preferably
For the closed loop with corresponding puncture needle quantity, the suture (as shown in Figure 3) being pierced by from puncture needle can be caught on, institute is worked as
It states capturing means or when the puncture needle is withdrawn, which can clamp the suture well, by suture one
It rises and retracts in conduit 21, when using close netting shape snare structure shown in Fig. 7, puncture needle may pass through its mesh, when puncture needle returns
When removing, suture can stay in close netting.
Fig. 8 show the present invention and is withdrawn after capturing means catch suture, and suture is drawn from the proximal end of positioning element 2
Effect diagram after going out, as seen from the figure four sutures form four circuits, at this time can be easily in positioning element
Outside knots to four sutures.
The tip of the conduit 21 of the positioning element is first inserted into the heart by the present invention when carrying out cardiac surgery procedure from the apex of the heart
Dirty, this hole is also the channel that subsequent procedures conduit enters；When suture, first rotational positioning component 2 determines the point to be punctured, then
It releases puncture needle 12 and pierces through cardiac muscle, because puncture needle used is superfine, about 0.5mm, also muscle understands Natural closure after extraction, does not have to
Consider oozing of blood herein；Then it is pierced by operation suture thread, the endpoint of suture is sent to heart；Later from positioning element 2
The capturing means 3 are released in through-hole, the snare structure 32 into endocardial gradually expands and entangles corresponding suture end
Point withdraws capturing means 3 and draws the suture over to one's side and withdraw to other than the proximal end of positioning element 2, will can easily own at this time
Suture is knotted together, and then cuts the suture of knot proximal end, the suture in puncture needle of pulling back, and the tieing of knotting just returns to
In heart, puncture needle is then withdrawn, suture layout as shown in Figure 9 is formed, a lines is only needed to knot with d lines at this time, b lines and c lines
Puncture orifice can be closed by knotting, and numbers of sutures is more, and closure effect is better.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. a kind of apex of the heart closing device, which is characterized in that including lancet and means, positioning element and capturing means, the puncture portion
There are part more hollow puncture needles, the positioning element to have mounting hole with the puncture needle corresponding number, for across
And the fixed puncture needle, the positioning element also have through-hole, allow the capturing means to extend there through, the capturing means
With the snare structure with the puncture needle corresponding number, and the snare structure can compression the first form and expansion the
It is converted between two forms.
2. apex of the heart closing device as described in claim 1, which is characterized in that the middle part of the positioning element has axial be arranged
Conduit, the through-hole is arranged in the inside of the conduit.
3. apex of the heart closing device as described in claim 1, which is characterized in that the distal end of the conduit is cusp design.
4. apex of the heart closing device as described in claim 1, which is characterized in that the positioning element is cylindric, in its distal end
The mounting hole of corresponding number is both provided in plane and proximal end plane.
5. apex of the heart closing device as described in claim 1, which is characterized in that the lancet and means have pedestal and are fixed on
More root puncture needles on the pedestal.
6. apex of the heart closing device as described in claim 1, which is characterized in that the capturing means include proximal end conveying lever and
The snare structure of distal end.
7. apex of the heart closing device as described in claim 1, which is characterized in that the snare with the puncture needle corresponding number
Structure is combined into the reticular structure of an entirety.
8. a kind of positioning device for apex of the heart closing device as described in claim 1, which is characterized in that in described device
Portion has the conduit being axially arranged, and is cusp design at the distal openings of the conduit, is provided with around the conduit multiple
Puncture needle lock chamber.
9. a kind of sting device for apex of the heart closing device as described in claim 1, which is characterized in that have pedestal and
Fixed more root puncture needles on the base.
10. a kind of acquisition equipment for apex of the heart closing device as described in claim 1, which is characterized in that with proximal end
Multiple snare structures of conveying lever and distal end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810772145.1A CN108652690A (en) | 2018-07-13 | 2018-07-13 | A kind of apex of the heart closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810772145.1A CN108652690A (en) | 2018-07-13 | 2018-07-13 | A kind of apex of the heart closing device |
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| Publication Number | Publication Date |
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| CN108652690A true CN108652690A (en) | 2018-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810772145.1A Pending CN108652690A (en) | 2018-07-13 | 2018-07-13 | A kind of apex of the heart closing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109717918A (en) * | 2019-03-13 | 2019-05-07 | 上海捍宇医疗科技有限公司 | Apex of the heart stitching unstrument |
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| CN103118605A (en) * | 2010-06-26 | 2013-05-22 | 瓦索斯蒂奇股份有限公司 | Method and apparatus for transapical access and closure |
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| CN209315947U (en) * | 2018-07-13 | 2019-08-30 | 上海捍宇医疗科技有限公司 | A kind of apex of the heart closing device |
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| US20060069398A1 (en) * | 2003-02-26 | 2006-03-30 | Yutaka Suzuki | Medical instrument |
| US20050209613A1 (en) * | 2004-03-02 | 2005-09-22 | St. Jude Medical Puerto Rico B.V. | Three-needle closure device |
| US20070149987A1 (en) * | 2005-12-22 | 2007-06-28 | Ethicon, Inc. | Vessel wound closure device |
| US20070179509A1 (en) * | 2005-12-26 | 2007-08-02 | Nippon Sherwood Medical Industries Ltd. | Medical Suturing Device |
| EP1862125A2 (en) * | 2006-05-31 | 2007-12-05 | Covidien AG | Medical suturing tool with gripping device |
| CN102892359A (en) * | 2010-01-29 | 2013-01-23 | 麦德风险投资有限责任公司 | Methods and apparatuses for suturing of cardiac openings |
| CN103118605A (en) * | 2010-06-26 | 2013-05-22 | 瓦索斯蒂奇股份有限公司 | Method and apparatus for transapical access and closure |
| CN103327936A (en) * | 2010-11-30 | 2013-09-25 | 爱德华兹生命科学公司 | Surgical stabilizer and closure system |
| CN209315947U (en) * | 2018-07-13 | 2019-08-30 | 上海捍宇医疗科技有限公司 | A kind of apex of the heart closing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109717918A (en) * | 2019-03-13 | 2019-05-07 | 上海捍宇医疗科技有限公司 | Apex of the heart stitching unstrument |
| CN109717918B (en) * | 2019-03-13 | 2024-04-26 | 上海捍宇医疗科技股份有限公司 | Apex stitching instrument |
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