CN109528262A - Heart tissue closing device - Google Patents
Heart tissue closing device Download PDFInfo
- Publication number
- CN109528262A CN109528262A CN201910023103.2A CN201910023103A CN109528262A CN 109528262 A CN109528262 A CN 109528262A CN 201910023103 A CN201910023103 A CN 201910023103A CN 109528262 A CN109528262 A CN 109528262A
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- Prior art keywords
- clamp arm
- rope
- heart tissue
- closing device
- sticking department
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- 206010003658 Atrial Fibrillation Diseases 0.000 description 4
- 208000032843 Hemorrhage Diseases 0.000 description 4
- 208000034158 bleeding Diseases 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 206010003694 Atrophy Diseases 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 230000037444 atrophy Effects 0.000 description 3
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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
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/122—Clamps or clips, e.g. for the umbilical cord
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12122—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder within the heart
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Reproductive Health (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Cardiology (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention provides a kind of heart tissue closing device, is related to medical instruments field field.It include: the first clamp arm, the second clamp arm and sticking department, the first clamp arm includes first end and the second end；Second clamp arm includes first end and the second end, wherein the first clamp arm and the second clamp arm can be around the first end rotations of the two, to realize the opening and closing of the second end of the first clamp arm and the second end of the second clamp arm；Sticking department acts on the first clamp arm and the second clamp arm, to prevent the first clamp arm and the second clamp arm from opening.Heart tissue closing device of the invention, closing heart tissue is realized by the clamping of the first clamp arm and the second clamp arm, and first clamp arm and second clamp arm of closed state are kept by sticking department, v-shaped openings structure, break through the limitation of set bundle mode, without being inserted in from auricle top, opens clamp arm and closed along the insertion of auricle root, more easily implement " locked in " operation from all angles in auricle root.
Description
Technical field
The present invention relates to medical instruments fields, and in particular to a kind of heart tissue closing device.
Background technique
Atrial fibrillation is clinically most commonly seen one of arrhythmia cordis, and the cerebral apoplexy consequence as caused by atrial fibrillation is very serious, extremely
It dies rate and disability rate reaches 70%.To the patient of valvular atrial fibrillation, 57% atrial thrombus derives from left auricle of heart, for non-valve
The patient of atrial fibrillation, 90% Left Atrial derive from left auricle of heart.Even if restoring Dou Lvhou, left auricle of heart shrinks a suppression, and still having can
Thrombus can be re-formed.Auricle is located above atrium, on the left of pulmonary artery and aorta ascendens, between left superior pulmonary vein and annulus of mitral valve,
In long and narrow, curved tubulose cecum cavity body structure.
There are mainly two types of the methods for clinically preventing cardiogenic cerebral arterial thrombosis at present: drug therapy and surgical intervention
Auricle.
Its drug treatment, such as warfarin, but have higher bleeding risk using warfarin, clinical application is more difficult；
In addition warfarin also leads to the possibility of osteoporosis and soft tissue necrosis.
Another method openheart surgery intervene auricle, surgical procedure auricle be divided into again surgical procedures processing auricle with
Surgical instrument handles auricle, and it is directly excision, suture, ligation auricle, this method that wherein surgical intervention, which handles common mode,
Main deficiency be that success rate of operation is lower, while higher operation risk again, excision or stitch points have higher bleeding risk,
And the danger of divulging information again for having tearing and ligature to loosen is ligatured, previously researches show that the success rates of surgical procedure processing auricle a maximum of about of
80%, it is postoperative to have more adverse events.Surgical instrument processing, such as Lariat system, by outer sheath, interior sheath, push rod, lasso trick
It is formed with ligature.Sheath head end is protruded into thoracic cavity by intercostal incision, lasso trick and ligature are passed through into sheath entrance in vivo, into
The lasso trick and ligature for entering body segment discharge after in a ring, be unfolded on the outside of auricle, by being inserted at the top of auricle, in auricle
Root is ligatured by ligature, and system is withdrawn from after the completion, eventually by the mode of ligation by auricle and atrium bloodstream blocking.
Since the lasso trick of system is annular, in operating process, lasso trick is inserted in from auricle top, and satisfactory ear outer wall is moved to the heart
The ear portion operates more complicated.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of heart tissue closing device, existing operation is solved
Lasso trick mode is used in instrument treatment process, is inserted in from auricle top, and satisfactory ear outer wall is moved to auricle root, operates more multiple
It is miscellaneous.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of heart tissue closing device, comprising:
First clamp arm, including first end and the second end；
Second clamp arm, including first end and the second end, wherein first clamp arm and second clamp arm can enclose
First end around the two rotates, to realize of the second end of first clamp arm and the second end of second clamp arm
Open and close are closed；
Sticking department, the sticking department act on first clamp arm and second clamp arm, to prevent first clamp arm
It is opened with second clamp arm.
Preferably, the sticking department includes:
Rope connects the second end of the first clamp arm and the second end of first clamp arm by the rope, to prevent
First clamp arm and second clamp arm are opened.
Preferably, the rope includes:
First rope, the second end of first rope is fixedly connected with the second end of first clamp arm, and institute
State the first end that the first rope extends to first clamp arm along the inner wall of first clamp arm；
Second rope, the second end of second rope is fixedly connected with the second end of second clamp arm, and institute
State the first end that the second rope extends to second clamp arm along the inner wall of second clamp arm；
The first end of first rope is fixedly connected with the first end of second rope.
Preferably, the rope includes:
First rope, the second end of first rope is fixedly connected with the second end of second clamp arm, and institute
It states the second end of the first end of the first rope Jing Guo first clamp arm and extends to institute along the inner wall of first clamp arm
State the first end of the first clamp arm；
Second rope, the second end of second rope is fixedly connected with the second end of first clamp arm, and institute
It states the second end of the first end of the second rope Jing Guo second clamp arm and extends to institute along the inner wall of second clamp arm
State the first end of the second clamp arm；
The first end of first rope is fixedly connected with the first end of second rope.
Preferably, the first end of first clamp arm and the rotation of the first end of second clamp arm.
Preferably, the sticking department includes:
Retaining ring part acts on first clamp arm and first clamp arm by the retaining ring part, to prevent described first
Clamp arm and second clamp arm are opened.
Preferably, the retaining ring part includes:
First clamping member, described first clamping member are slidably connected with first clamp arm；
Second clamping piece, second clamping piece are slidably connected with second clamp arm；
Wherein, described first clamping member is oppositely arranged with second clamping piece, and, first clamp arm and described second
Clamp arm passes through described first clamping member and second clamping piece between described first clamping member and second clamping piece
Clamping, to prevent first clamp arm and second clamp arm from opening.
Preferably, the inner wall of described first clamping member and second clamping piece is equipped with the first barb structure；
The outer wall of first clamp arm and second clamp arm is provided with the second barb structure, first barb structure and
Second barb structure cooperation, to prevent first clamp arm and second clamp arm from opening.
Preferably, the outer cover of first clamp arm and second clamp arm is equipped with protective case.
(3) beneficial effect
The present invention provides a kind of heart tissue closing devices.Compared with prior art, have it is following the utility model has the advantages that
Heart tissue closing device of the invention realizes closing heart group by the clamping of the first clamp arm and the second clamp arm
It knits, the first clamp arm and the second clamp arm can be relatively rotated around one end, realize the opening and closing in other end portion, opening
The first clamp arm and the second clamp arm afterwards clamps heart tissue, and keeps described the of closed state by sticking department
One clamp arm and second clamp arm, to maintain the first clamp arm and second clamp arm to the clamped condition of heart tissue.Device
Head end v-shaped openings structure, break through the limitation of set bundle mode, without being inserted in from auricle top, open clamp arm along auricle
Root insertion is closed, and more easily implements " locked in " operation from all angles in auricle root, the complex operations for avoiding set from pricking,
Operation precision is improved simultaneously.And sticking department keeps first clamp arm and the closed state of second clamp arm that can hold
Continuation of insurance, which keeps steady, determines closed state, guarantees that heart tissue when atrophy thickness is reduced, still is able to be completely enclosed.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the overall structure diagram that the embodiment of the present invention uses the first the first visual angle of sticking department；
Fig. 2 is the overall structure diagram that the embodiment of the present invention uses the first the second visual angle of sticking department；
Fig. 3 is the overall structure diagram that the embodiment of the present invention uses the first sticking department third visual angle；
Fig. 4 is that the embodiment of the present invention is quick-fried according to figure using the overall structure at the first the first visual angle of sticking department；
Fig. 5 is that the embodiment of the present invention is quick-fried according to figure using the overall structure at the first the second visual angle of sticking department；
Fig. 6 is that the embodiment of the present invention is quick-fried according to figure using the overall structure at the first sticking department third visual angle；
Fig. 7 is the cross-sectional view that the embodiment of the present invention uses the first rope canoe；
Fig. 8 is the cross-sectional view that the embodiment of the present invention uses second of rope canoe；
Fig. 9 is the overall structure diagram that the embodiment of the present invention uses second of the first visual angle of sticking department；
Figure 10 is the overall structure diagram that the embodiment of the present invention uses second of the second visual angle of sticking department；
Figure 11 is the overall structure diagram that the embodiment of the present invention uses second of sticking department third visual angle；
Figure 12 is the cross-sectional view that the embodiment of the present invention uses second of sticking department；
Figure 13 is that the embodiment of the present invention is quick-fried according to figure using the overall structure at second of sticking department third visual angle；
Figure 14 is that the embodiment of the present invention is quick-fried according to figure using the overall structure at second of the 4th visual angle of sticking department.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, to the technology in the embodiment of the present invention
Scheme is clearly and completely described, it is clear that and described embodiments are some of the embodiments of the present invention, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The embodiment of the present application solves existing surgical instrument treatment process by providing a kind of heart tissue closing device
In need for ligature to be inserted in heart tissue, operate more complicated.
Technical solution in the embodiment of the present application is to solve the problem above-mentioned, and general thought is as follows:
Closing heart tissue, 2 energy of the first clamp arm 1 and the second clamp arm are realized by the clamping of the first clamp arm 1 and the second clamp arm 2
It is enough relatively rotated around one end, realizes the opening and closing in other end portion, the first clamp arm 1 and the second clamp arm after opening
2 pairs of heart tissues clamp, and the opening of first clamp arm 1 and second clamp arm 2 is limited by sticking department, thus
Maintain the first clamp arm 1 and second clamp arm 2 to the closed state of heart tissue.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
The embodiment of the present invention provides a kind of heart tissue closing device, as shown in Fig. 1~14, comprising:
First clamp arm 1, the second clamp arm 2 and sticking department 3, for the convenience of description, the one end of first clamp arm 1 is named
For first end, the other end is named as the second end；The one end of second clamp arm 2 is named as first end, the other end life
Entitled the second end, and first clamp arm 1 and second clamp arm 2 can be around the first end rotations of the two, to realize
The opening and closing of the second end of first clamp arm 1 and the second end of second clamp arm 2；That is the first clamp arm 1 and
Two clamp arm 2 can open the opening to form V word structure, and wherein the top position of V word structure is the first clamp arm 1 and the second clamp arm
2 first end；
The sticking department 3 acts on first clamp arm 1 and second clamp arm 2, to prevent first clamp arm 1 and institute
State the second clamp arm 2 opening.
Specifically, the material of above-mentioned the first clamp arm 1 and the second clamp arm 2 can be implantable metal, such as it is selected as stainless
Steel, cobalt-base alloys, platinumiridio, Nitinol, magnesium base alloy, ferrous alloy etc., or high molecular material, such as poly- four
Fluorine, nylon, polyester, polyamide, polylactic acid, PGA, PDO etc..
Above-described embodiment realizes closing heart group in implementation process, through the clamping of the first clamp arm 1 and the second clamp arm 2
It knits, the first clamp arm 1 and the second clamp arm 2 can be relatively rotated around one end, realized the opening and closing in other end portion, opened
After the first clamp arm 1 and the second clamp arm 2 heart tissue is clamped, and by sticking department to limit first clamp arm 1
With the opening of second clamp arm 2, to maintain the first clamp arm 1 and second clamp arm 2 to the chucking power of heart tissue.Pass through
Open type structure, the limitation for breaking through set bundle mode, can be more convenient by V-shaped expanded configuration without being inserted in heart tissue
Slave all angles heart tissue bottom implement " locked in " operation.And sticking department can persistently give stabilization clamp holding force, guarantee
Heart tissue still is able to be completely enclosed when atrophy thickness is reduced.
In addition, existing ligatured by ligature, since ligature is thinner, heart group is easily caused during ligation
Knitting tearing, bleeding risk with higher, and heart tissue is long and narrow cavity, the process heart tissue of ligation can be serious
It folds, the risk easy to form led to again.The embodiment of the present invention passes through the clamping of the first clamp arm 1 and the second clamp arm 2, arm clamping structure folder
Flat heart tissue can prevent heart tissue during ligation to be folded caused danger of divulging information again.
The embodiment of the present invention provides the sticking department of two kinds of structures, will be made below detailed elaboration:
The first is to wind to realize by rope, is realized by the winding of rope and prevents first clamp arm 1 and described the
Two clamp arm 2 are opened；Specific rope of the present invention refers to certain length and slight line, can such as prepare for fiber
Rope, steel wire preparation rope.
It is wound based on rope, the embodiment of the invention provides the modes of two kinds of ropes winding, are respectively as follows:
In the specific implementation process, the first rope canoe, as also shown in e.g. figs. 4-7, the rope include the first rope
301 and second rope 302, wherein the second end of the first rope 301 and the second end of first clamp arm 1 is fixed connects
It connects, and first rope 301 extends to the first end of first clamp arm 1 along the inner wall of first clamp arm 1；
The second end of second rope 302 is fixedly connected with the second end of second clamp arm 2, and described second
Rope 302 extends to the first end of second clamp arm 2 along the inner wall of second clamp arm 2；
The first end of first rope 301 is fixedly connected with the first end of second rope 302.
The power of the first clamp arm 1 and 2 phase of the second clamp arm closure is formed such that with the second rope 302 by the first rope 301,
The first clamp arm 1 and the second clamp arm 2 is avoided to open, structure is simple, easy to operate.
In the specific implementation process, second of rope canoe, as shown in figure 8, the rope includes the first rope 301
With the second rope 302, the second end of first rope 301 is fixedly connected with the second end of second clamp arm 2, and institute
The second end of the first end of the first rope 301 Jing Guo first clamp arm 1 is stated to extend along the inner wall of first clamp arm 1
To the first end of first clamp arm 1；
The second end of second rope 302 is fixedly connected with the second end of first clamp arm 1, and described second
The second end of the first end of rope 302 Jing Guo second clamp arm 2 extends to described along the inner wall of second clamp arm 2
The first end of second clamp arm 2；
The first end of first rope 301 is fixedly connected with the first end of second rope 302.
Closed loop is as formed by the first rope 301 and the second rope 302, to be formed such that the first clamp arm 1 and second
The power of 2 phase of clamp arm closure avoids the first clamp arm 1 and the second clamp arm 2 from opening, and structure is simple, easy to operate.
Above-described embodiment in the specific implementation process, the of the first end of first clamp arm 1 and second clamp arm 2
One end rotation makes the first end of the first clamp arm 1 and the first end formation axis of second clamp arm 2 by connector 5
It connects.
Meanwhile for convenience of the traction of rope, through-hole is set in 5 middle section of connector, connecting shaft is set in through-hole
501, the first rope 301 and the second rope 302 are located at the two sides of the connecting shaft 501 in rope winding process, convenient
The traction of rope.
Second is realized by retaining ring part, acts on first clamp arm and first folder by the retaining ring part
Arm, to prevent first clamp arm and second clamp arm from opening.
Specifically, as shown in Fig. 9~14, the retaining ring part includes first clamping member 401 and the second clamping piece 402, described
First clamping member 401 is slidably connected with first clamp arm 1, and second clamping piece 402 connects with second clamp arm 2 sliding
It connects；
Wherein, described first clamping member 401 is oppositely arranged with second clamping piece 402, and, first clamp arm 1 with
Second clamp arm 2 passes through described first clamping member between described first clamping member 401 and second clamping piece 402
401 maintain first with the clamping of second clamping piece 402 to prevent first clamp arm 1 and second clamp arm 2 from opening
The chucking power of clamp arm 1 and second clamp arm 2 to heart tissue.
Specifically, wherein clamping piece is slidably connected with clamp arm, can realize in the following way, in first clamp arm 1
Sliding groove 6 is set with the both sides of second clamp arm 2, in the both sides of first clamping member 401 and second clamping piece 402
Setting setting sliding part 7 realizes that clamping piece and clamp arm slide by the cooperation of sliding groove 6 and sliding part 7, when 1 He of the first clamp arm
When second clamp arm 2 is in closed state, as shown in Figures 12 and 13, the first clamp arm 1 and second clamp arm 2 are located at described first
Between clamping piece 401 and second clamping piece 402.
Specifically, the material of the clamping piece is that can plant metal, such as stainless steel, Nitinol or high molecular material,
Such as PLLA, PLGA.
In implementation process, the inner wall of described first clamping member 401 and second clamping piece 402 is equipped with above-described embodiment
First barb structure 403；
The outer wall of first clamp arm 1 and second clamp arm 2 is provided with the second barb structure 8, the first hangnail knot
Structure 403 and the cooperation of the second barb structure 8, to prevent first clamp arm 1 and second clamp arm 2 from opening.
First clamp arm 1 and second clamp arm 2 is prevented to open to be formed by way of above-mentioned clamping piece, intensity
More preferably, clamping effect is more preferably stable.,
Above-mentioned all embodiments are arranged in implementation process in the outside of first clamp arm 1 and second clamp arm 2
There is protective case, by the protective case to increase forced area, prevents tearing heart tissue；Specifically, the protective case can be by single
Material or MULTILAYER COMPOSITE high molecular material composition, can choose high molecular material, such as polyester, silica gel, polyurethane.
The embodiment of the invention provides a kind of heart tissue closing devices.Compared with prior art, have following beneficial to effect
Fruit:
The heart tissue closing device of the embodiment of the present invention realizes the closing heart by the clamping of the first clamp arm and the second clamp arm
Dirty tissue, the first clamp arm and the second clamp arm can be relatively rotated around one end, realize the opening and closing in other end portion,
The first clamp arm and the second clamp arm after opening clamp heart tissue, and by sticking department with limit first clamp arm and
The opening of second clamp arm, to maintain the first clamp arm and second clamp arm to the chucking power of heart tissue.Do not need into
Row lasso trick breaks through the limitation of set bundle mode by open type structure, without being inserted in heart tissue, is opened and is tied by V-shaped
Structure more easily can implement " locked in " operation from all angles in heart tissue bottom.And sticking department can persistently give surely
Clamp holding force guarantees that heart tissue when atrophy thickness is reduced, still is able to be completely enclosed.
In addition, existing ligatured by ligature, since ligature is thinner, heart group is easily caused during ligation
Knitting tearing, bleeding risk with higher, and heart tissue is long and narrow cavity, the process heart tissue of ligation can be serious
It folds, the risk easy to form led to again.The embodiment of the present invention passes through the clamping of the first clamp arm and the second clamp arm, and arm clamping structure is pinched
Heart tissue can prevent heart tissue during ligation to be folded caused danger of divulging information again.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. a kind of heart tissue closing device characterized by comprising
First clamp arm, including first end and the second end；
Second clamp arm, including first end and the second end, wherein first clamp arm and second clamp arm can surround two
The first end of person rotates, with realize the second end of first clamp arm and the second end of second clamp arm opening and
Closure；
Sticking department, the sticking department act on first clamp arm and second clamp arm, to prevent first clamp arm and institute
State the second clamp arm opening.
2. heart tissue closing device as described in claim 1, which is characterized in that the sticking department includes:
Rope connects the second end of the first clamp arm and the second end of first clamp arm by the rope, described in preventing
First clamp arm and second clamp arm are opened.
3. heart tissue closing device as claimed in claim 2, which is characterized in that the rope includes:
First rope, the second end of first rope are fixedly connected with the second end of first clamp arm, and described
One rope extends to the first end of first clamp arm along the inner wall of first clamp arm；
Second rope, the second end of second rope are fixedly connected with the second end of second clamp arm, and described
Two ropes extend to the first end of second clamp arm along the inner wall of second clamp arm；
The first end of first rope is fixedly connected with the first end of second rope.
4. heart tissue closing device as claimed in claim 2, which is characterized in that the rope includes:
First rope, the second end of first rope are fixedly connected with the second end of second clamp arm, and described
The second end of the first end of one rope Jing Guo first clamp arm extends to described along the inner wall of first clamp arm
The first end of one clamp arm；
Second rope, the second end of second rope are fixedly connected with the second end of first clamp arm, and described
The second end of the first end of two ropes Jing Guo second clamp arm extends to described along the inner wall of second clamp arm
The first end of two clamp arm；
The first end of first rope is fixedly connected with the first end of second rope.
5. heart tissue closing device as described in claim 1, which is characterized in that the first end of first clamp arm and institute
State the first end rotation of the second clamp arm.
6. heart tissue closing device as described in claim 1, which is characterized in that the sticking department includes:
Retaining ring part acts on first clamp arm and first clamp arm by the retaining ring part, to prevent first clamp arm
It is opened with second clamp arm.
7. heart tissue closing device as claimed in claim 6, which is characterized in that the retaining ring part includes:
First clamping member, described first clamping member are slidably connected with first clamp arm；
Second clamping piece, second clamping piece are slidably connected with second clamp arm；
Wherein, described first clamping member is oppositely arranged with second clamping piece, and, first clamp arm and second clamp arm
Between described first clamping member and second clamping piece, pass through the folder of described first clamping member and second clamping piece
It holds, to prevent first clamp arm and second clamp arm from opening.
8. heart tissue closing device as claimed in claim 7, which is characterized in that described first clamping member and second folder
The inner wall of gripping member is equipped with the first barb structure；
The outer wall of first clamp arm and second clamp arm is provided with the second barb structure, first barb structure and second
Barb structure cooperation, to prevent first clamp arm and second clamp arm from opening.
9. heart tissue closing device as described in any one of claims 1 to 8, which is characterized in that first clamp arm and institute
The outer cover for stating the second clamp arm is equipped with protective case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910023103.2A CN109528262A (en) | 2019-01-10 | 2019-01-10 | Heart tissue closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910023103.2A CN109528262A (en) | 2019-01-10 | 2019-01-10 | Heart tissue closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109528262A true CN109528262A (en) | 2019-03-29 |
Family
ID=65834845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910023103.2A Pending CN109528262A (en) | 2019-01-10 | 2019-01-10 | Heart tissue closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109528262A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101467908A (en) * | 2007-12-29 | 2009-07-01 | 北京迈迪顶峰医疗科技有限公司 | Tissue closer and special placement pliers |
| US20090209986A1 (en) * | 2008-02-15 | 2009-08-20 | Stewart Michael C | Devices, Tools and Methods for Atrial Appendage Exclusion |
| US20130289586A1 (en) * | 2012-04-30 | 2013-10-31 | Zsx Medical, Llc | Surgical device |
| CN106137302A (en) * | 2016-08-16 | 2016-11-23 | 北京迈迪顶峰医疗科技有限公司 | Auricle clamp |
| CN108451575A (en) * | 2018-02-05 | 2018-08-28 | 兰州西脉记忆合金股份有限公司 | A kind of adsorbable hemostatic ligation clip |
| CN209984254U (en) * | 2019-01-10 | 2020-01-24 | 北京康瑞迪医疗科技有限公司 | Cardiac tissue closure device |
-
2019
- 2019-01-10 CN CN201910023103.2A patent/CN109528262A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101467908A (en) * | 2007-12-29 | 2009-07-01 | 北京迈迪顶峰医疗科技有限公司 | Tissue closer and special placement pliers |
| US20090209986A1 (en) * | 2008-02-15 | 2009-08-20 | Stewart Michael C | Devices, Tools and Methods for Atrial Appendage Exclusion |
| US20130289586A1 (en) * | 2012-04-30 | 2013-10-31 | Zsx Medical, Llc | Surgical device |
| CN106137302A (en) * | 2016-08-16 | 2016-11-23 | 北京迈迪顶峰医疗科技有限公司 | Auricle clamp |
| CN108451575A (en) * | 2018-02-05 | 2018-08-28 | 兰州西脉记忆合金股份有限公司 | A kind of adsorbable hemostatic ligation clip |
| CN209984254U (en) * | 2019-01-10 | 2020-01-24 | 北京康瑞迪医疗科技有限公司 | Cardiac tissue closure device |
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