CN209315947U - 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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- CN209315947U CN209315947U CN201821113363.6U CN201821113363U CN209315947U CN 209315947 U CN209315947 U CN 209315947U CN 201821113363 U CN201821113363 U CN 201821113363U CN 209315947 U CN209315947 U CN 209315947U
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- Prior art keywords
- apex
- closing device
- heart
- puncture needle
- positioning element
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Abstract
The utility model 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 fixation 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 problem of apex of the heart closing device of the utility model can help doctor's quickly and easily closed-heart in hybridization operation, avoid since exposed area is small, be unfavorable for doctor's operation.
Description
Technical field
The utility model belongs to medical instruments field, is related to a kind of apex of the heart closing device.
Background technique
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 a kind of modus operandi for entering heart by peripheral blood vessel and carrying out treatment disease, 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 are not can be carried out treatment.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 unlike needing breastbone of riving in surgical operation, dismantles one
Two rib cages, wound are up to 15 centimetres, and chest described herein of opening only cuts skin, muscle between two rib cages, expose heart,
About 2 centimetres of length, enters endocardial with conduit puncture cardiac muscle again later and 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 be convenient, quickly solve the problems, such as doctor's closed-heart in hybridization operation.
Utility model content
In view of disadvantages mentioned above of the existing technology, the utility model provides a kind of apex of the heart closing device, the device
Including lancet and means, positioning element and capturing means, the lancet and means have more hollow puncture needles, the positioning element
With the fixation hole with the puncture needle corresponding number, it is used for across and fixes the puncture needle, the positioning element also has
Through-hole allows the capturing means to extend there through, and 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.
Further, the middle part of the positioning element has the conduit being axially arranged, and the conduit is arranged in the through-hole
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 in heart by the conduit.
Preferably, the internal diameter of the conduit is 1.2~5mm, and the exit caliber 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 described in a kind of preferred embodiment of the utility model be it is cylindric, in its distal flat surface and close
It is provided with the fixation hole of corresponding number on transverse plane, passes through and fixes for the puncture needle on the lancet and means.It is further excellent
Selection of land, the positioning element has the lock chamber that fixation hole is corresponded in the distal flat surface and the proximal end plane, for institute
Puncture needle is stated to be inserted into and stretch out.
Optionally, the positioning element be integrally formed production or by round tube 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 fixation hole
Preferably 0.3~1.2mm, most preferably 0.5mm, the aperture of fixation hole should make puncture needle may pass through and than puncture needle outer diameter slightly
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 a kind of preferred embodiment of the utility model, the lancet and means have pedestal and are fixed on the bottom
More root puncture needles on seat, the pedestal can be with the proximal end planes of the positioning element against to prevent lancet and means to distal end
Displacement；Further, other conduits used in the capturing means or operation are had perforations in the middle part of the pedestal thus
It is inserted into the through-hole of the 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 transformed to second form, gradually after the snare structure is stretched out from the through-hole to carry out to suture
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；Furthermore the deformation of shape-memory material can also be temperature controlled, and be 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 utility model is all installed with suture in the every puncture needle when carrying out apex of the heart closed procedure, first with described
Positioning element selects good position, and the puncture needle is passed through cardiac muscular tissue and send the endpoint of suture to heart, the capture
Component then passes through the apex of the heart by the through-hole and send the snare structure to heart, into endocardial snare structure gradually
Corresponding suture endpoint is expanded and entangled, the capturing means is withdrawn and the suture is drawn over to one's side and is withdrawn to outside heart, even
In vitro, it is convenient to for all sutures being knotted together at this time, then the end of a thread in cutting ferrule arrangement, in puncture needle of pulling back
Suture, the tieing of knotting just returns in heart, then withdraws puncture needle, again two-by-two close to one end of puncture needle by suture
It knots, apex of the heart closure can be completed.
Further, the apex of the heart closing device further includes suture.
Based on the above structure of apex of the heart closing device, the utility model additionally provides a kind of for the apex of the heart closing device
Positioning device, it is cusp design at the distal openings of the conduit that the middle part of the device, which has the conduit being axially arranged, described
Multiple puncture needle lock chambers are provided with around conduit.Preferably, the positioning element is cylindric.
The utility model additionally provides a kind of sting device for the apex of the heart closing device, which has bottom
Seat and fixed more root puncture needles on the base.
The utility model additionally provides a kind of acquisition equipment for the apex of the heart closing device, which has close
The conveying lever at end and multiple snare structures of distal end.
Snare structure described in the utility model includes but is not limited to round snare, be also possible to rectangular, triangle, diamond shape,
The snares structure such as parallelogram, trapezoidal, pentagon, hexagon, irregular shape.
" axial direction " described in the utility model refers between operator operating position and patient's heart operative site along the heart
The direction of sharp closing device, " distal end " refer to the described one end of apex of the heart closing device far from operator, " proximal end " when operation
Refer to that the apex of the heart closing device is by one end of proximal operator when operation.
The apex of the heart closing device of the utility model can help doctor's quickly and easily closed-heart in hybridization operation, keep away
Exempt to be unfavorable for the problem of doctor operates since exposed area is small.
The apex of the heart closing device of the utility model can be also used for the wound for being closed other hollow organs.
Make furtherly below with reference to technical effect of the attached drawing to the design of the utility model, specific structure and generation
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one preferred embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the utility model lancet and means preferred embodiment；
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 the utility model positioning element preferred embodiment；
Fig. 5 is the structural schematic diagram of the utility model capturing means preferred embodiment；
Fig. 6 is the structural schematic diagram of another preferred embodiment of the utility model capturing means；
Fig. 7 is the structural schematic diagram of the utility model capturing means another preferred embodiment；
Fig. 8 is that the utility model capturing means 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 utility model is formed in heart position to be closed.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
It is a preferred embodiment of the utility model shown in Fig. 1, which includes lancet and means 1, positioning
Component 2 and 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 figure
Shown in 4, the positioning element 2 is cylindrical body, and middle part has the conduit 21 that is axially arranged, in be equipped with through-hole, conduit 21 it is remote
End is cusp design, is respectively arranged with and the puncture needle corresponding number on the proximal end plane and distal flat surface of positioning element 2
Fixation hole 22 and 23 is used for across and fixes puncture needle 12；One for being illustrated in figure 5 the utility model capturing means is preferred real
Example is applied, which includes the conveying lever 31 of proximal end and the snare structure 32 of distal end, and snare structure described in the present embodiment is
One annulus, capturing means snare structure shown in fig. 6 are also annulus, and quantity corresponds to the quantity of puncture needle, and Fig. 7 is shown
Another preferred embodiment of capturing means, the snare structure 32 of distal end are the reticular structure of close volume.The snare structure 32
It is made of memory alloy material, Fig. 5-7 show the second form of its expansion, also can be compressed as the first form, makes it
Heart can be entered by conveyance conduit, after institute's snare structure 32 is pushed out conduit 21 of positioning element 2,32 meeting of snare structure
It restores to the original state.The structure of the utility model is not unique, and the structure of any achievable the utility model principle and effect is all feasible
's.
The quantity of puncture needle 12 is preferably 4~8 (as shown in the figure is 4), the outer diameter of puncture needle 12 in the utility model
The aperture of preferably 0.3~1.2mm, corresponding fixation hole 22 and 23 are preferably also 0.3~1.2mm, and puncture needle is enable to wear just
It crosses, and will not shake, and puncture needle can also be that head is hook type other than linear；Among positioning element 2
The internal diameter of conduit 21 is preferably 1.2~5mm, and the exit caliber of distal tip is preferably 0.8~13.0mm, and the surrounding of conduit 21 is flat
Location hole, i.e. proximal end plane location hole 22 and distal flat surface location hole 23 are also distributed on face；The proximal end plane of positioning element 2 can
It is abutted each other with the pedestal 11 of lancet and means 1, 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 with if the positioning element 2 can be made by digging out dry passage among solid material
Hollow component is designed to for cost and weight consideration, and can be led between proximal end plane location hole 22 and distal flat surface location hole 23
Meticulous original Guan Xianglian, without practical pipeline be also between certain location hole it is feasible, as long as the hole of distal flat surface and proximal end plane
One-to-one correspondence.The positioning element 2 preferably uses the high molecular material of good biocompatibility, such as polyformaldehyde POM, polyethylene
PE, nylon PA, polypropylene PP, polyvinylchloride, acrylonitrile-butadiene-styrene copolymer ABS, nylon elastomer Pebax,
Polyurethane PU etc., or metal material can also be used, such as stainless steel, titanium alloy.
The distal end of the capturing means 3 has snare structure 32, which at least has a 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 be stayed in close netting.
Fig. 8 show the utility model and withdraws after capturing means catch suture, and suture is by from the close of positioning element 2
Effect diagram after the pull-out of end, four sutures form four circuits as seen from the figure, are convenient at this time in positioning region
The outside of part knots to four sutures.
The utility model first inserts the tip of the conduit 21 of the positioning element from the apex of the heart when carrying out cardiac surgery procedure
Enter heart, 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,
Without considering oozing of blood herein；Then it is pierced by operation suture thread, the endpoint of suture is sent to heart；Later from positioning element
The capturing means 3 are released in 2 through-hole, the snare structure 32 into endocardial gradually expands and entangles corresponding suture
Endpoint 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, is convenient at this time by institute
There is suture to be knotted together, then cut the suture of knot proximal end, the suture in puncture needle of pulling back, the tieing of knotting just returns
Into heart, puncture needle is then withdrawn, suture layout as shown in Figure 9 is formed, only needs a line and d line to knot at this time, b line and c
Puncture orifice can be closed by line knotting, and numbers of sutures is more, and closure effect is better.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain
Available technical solution is tested, it all should be within the scope of protection determined by the 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
Part has more hollow puncture needles, and the positioning element has fixation hole with the puncture needle corresponding number, for across
And the fixed puncture needle, the positioning element also have through-hole, the capturing means are allowed 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 setting
Conduit, the inside of the conduit is arranged in the through-hole.
3. apex of the heart closing device as claimed in claim 2, 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 be it is cylindric, in its distal end
The fixation hole of corresponding number is 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 |
|---|---|---|---|
| CN201821113363.6U CN209315947U (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 |
|---|---|---|---|
| CN201821113363.6U CN209315947U (en) | 2018-07-13 | 2018-07-13 | A kind of apex of the heart closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209315947U true CN209315947U (en) | 2019-08-30 |
Family
ID=67705218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821113363.6U Active CN209315947U (en) | 2018-07-13 | 2018-07-13 | A kind of apex of the heart closing device |
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| Country | Link |
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| CN (1) | CN209315947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108652690A (en) * | 2018-07-13 | 2018-10-16 | 上海捍宇医疗科技有限公司 | A kind of apex of the heart closing device |
-
2018
- 2018-07-13 CN CN201821113363.6U patent/CN209315947U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108652690A (en) * | 2018-07-13 | 2018-10-16 | 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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Address after: 201109 14th Block 1288 Chunchun Road, Minhang District, Shanghai Patentee after: Shanghai Hanyu Medical Technology Co.,Ltd. Address before: 201612 Room 411, building 5, No. 818, Jiuxin Road, Songjiang District, Shanghai Patentee before: SHANGHAI HANYU MEDICAL TECHNOLOGY Co.,Ltd. |
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Address after: Room X4, 3rd Floor, Building 1, No. 18, Chunchang Road, Minhang District, Shanghai, 201108 Patentee after: Shanghai Hanyu Medical Technology Co.,Ltd. Address before: 201109 14th Block 1288 Chunchun Road, Minhang District, Shanghai Patentee before: Shanghai Hanyu Medical Technology Co.,Ltd. |