CN108888310A - Auricle clamp - Google Patents
Auricle clamp Download PDFInfo
- Publication number
- CN108888310A CN108888310A CN201810489323.XA CN201810489323A CN108888310A CN 108888310 A CN108888310 A CN 108888310A CN 201810489323 A CN201810489323 A CN 201810489323A CN 108888310 A CN108888310 A CN 108888310A
- Authority
- CN
- China
- Prior art keywords
- auricle
- clamp arm
- armed lever
- enhancement layer
- clamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/12159—Solid plugs; being solid before insertion
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Reproductive Health (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Cardiology (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention provides a kind of auricle clamp, for clamping the auricle of patient to prevent blood from flowing into, including：Clamp arm portion has two clamp arm corresponding with auricle；And interconnecting piece, connect two clamp arm, for making two clamp arm clamp auricle by deformation, the second connecting portion point of the arc-shaped structure of the other end of two clamp arm of the first pontes and connection of the arc-shaped structure of one end with two clamp arm of connection, wherein, clamp arm has armed lever, enhancement layer and fixed sleeving, armed lever and the first pontes and second connecting portion point are integrally formed and are shape memory metal, enhancement layer is covered on the periphery of armed lever, its hardness is greater than the hardness of armed lever, fixed sleeving is set in the periphery of enhancement layer, for fixing enhancement layer.
Description
Technical field
The present invention relates to the field of medical instrument technology, and in particular to a kind of for clamping the heart of patient in auricle closure operation
Auricle clamp of the ear to prevent blood from flowing into.
Background technique
Left auricle of heart is the main source of Left Atrial, and whens there is a situation where atrial fibrillation etc. when arrhythmia cordis, blood is flowed into
Slowing down with the rate of outflow auricle, the blood clotting being trapped in auricle forms thrombus, once heart thromboembolism is formed, it is possible to it lures
The diseases such as thrombus infraction, myocardial infarction are sent out, the life security of patient is seriously endangered.
The conventional means for solving atrial thrombus at present are that mainly have following manner using auricle closure operation：One is straight
Excision or ligation auricle are connect, but the success rate of this kind of operation method is usually no more than 80%, still has biggish risk.Separately
One is being blocked in auricle using plugging device, but usually plugging device is difficult to block dead, is still unable to ensure blood not
It can again flow into auricle.
Summary of the invention
The present invention is to carry out to solve the above-mentioned problems, and it is an object of the present invention to provide a kind of auricle clamp.
The present invention provides a kind of auricle clamps to have such spy for clamping the auricle of patient to prevent blood from flowing into
Sign, including：Clamp arm portion has two clamp arm corresponding with auricle；And interconnecting piece, two clamp arm are connected, for passing through shape
Change makes two clamp arm clamp auricle, has the first pontes and the connection of the arc-shaped structure of one end of two clamp arm of connection
The second connecting portion of the arc-shaped structure of the other end of two clamp arm point, wherein clamp arm has armed lever, enhancement layer and fixing sleeve
Pipe, armed lever and the first pontes and second connecting portion point are integrally formed and are shape memory metal, and enhancement layer is covered on
The periphery of armed lever, hardness are greater than the hardness of armed lever, and fixed sleeving is set in the periphery of enhancement layer, for fixing enhancement layer.
In auricle clamp provided by the invention, it can also have the feature that：Wherein, enhancement layer is stainless steel material,
Enhancement layer is the tubular structure with the opening in axial direction extended, and enhancement layer is fastened on armed lever by opening.
In auricle clamp provided by the invention, it can also have the feature that：Wherein, the diameter of armed lever be 1mm~
1.5mm, the internal diameter of enhancement layer and the diameter of armed lever match, outer diameter 3mm.
In auricle clamp provided by the invention, it can also have the feature that：Wherein, the first pontes and second
The diameter in the section of coupling part is 1mm~1.5mm, the diameter for the arcuate structure that the first pontes and second connecting portion are divided
For 8mm, the first pontes and second connecting portion, which are divided to, all has chamfering with the connecting portion of two armed levers, the diameter of the chamfering
For 2mm.
In auricle clamp provided by the invention, it can also have the feature that：Wherein, the first pontes, second connect
Socket part is divided to and the periphery of two clamp arm is coated with the polyester fiber set of closure.
In auricle clamp provided by the invention, it can also have the feature that：Wherein, fixed sleeving is by individually separated
Multiple tube units are constituted, and the length of tube unit is 5mm~10mm, axial direction head and the tail of the adjacent tube unit along armed lever
Connect arrangement.
In auricle clamp provided by the invention, it can also have the feature that：Wherein, the length of armed lever be 30mm~
50mm。
In auricle clamp provided by the invention, it can also have the feature that：Wherein, fixed sleeving is medical high polymer
Material, the medical macromolecular materials are any one in polyurethane, silica gel, polymethyl methacrylate and polylactic acid.
In auricle clamp provided by the invention, it can also have the feature that：Wherein, shape memory metal is NiTi conjunction
Gold.
The action and effect of invention
Related auricle clamp according to the present invention, since with clamp arm portion and interconnecting piece, clamp arm portion has opposite with auricle
Two clamp arm answered, interconnecting piece have the first pontes and the connection two of the arc-shaped structure of one end of two clamp arm of connection
The second connecting portion of the arcuate structure of the other end of a clamp arm point, and the armed lever of clamp arm and the first pontes and second connect
It is shape memory metal that socket part point, which is integrally formed, therefore, the arcuate structure that the outer masterpiece used time connect with two clamp arm can
So that two clamp arm are opened, and shape memory metal can clamp patient drawing close two clamp arm by deformation recovery later
Auricle so that auricle closure prevent blood flow into and cause thrombus.In addition, the periphery of armed lever is provided with enhancement layer, add
The hardness of strong layer is greater than the hardness of armed lever, so can enhance the intensity of clamp arm, so that the clamping force of clamp arm increases.In addition,
The periphery of enhancement layer, which is provided with fixed sleeving, can be used to fixed enhancement layer to prevent enhancement layer to be detached from armed lever, also may make clamp arm
Surface area increases, so that load can be distributed to biggish area, to avoid the injury caused to patient muscle tissue.
Auricle is closed outside auricle using auricle clamp of the invention in auricle closure operation, can effectively stop blood
Liquid again flows into, and avoids excision and ligation auricle, so that operation has higher success rate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of auricle clamp in the embodiment of the present invention；
Fig. 2 is the sectional view of clamp arm in the embodiment of the present invention；And
Fig. 3 is the structural schematic diagram of enhancement layer in the embodiment of the present invention.
Specific embodiment
It is real below in order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention
Example combination attached drawing is applied to be specifically addressed auricle clamp of the invention.
Fig. 1 is the structural schematic diagram of auricle clamp in the embodiment of the present invention.
As shown in Figure 1, the auricle clamp 100 of the present embodiment has clamp arm portion 10, interconnecting piece 20 and fibre sleeving (not shown).
Fig. 2 is the sectional view of clamp arm in the embodiment of the present invention.
As shown in Figure 1, two clamp arm that clamp arm portion 10 is arranged in parallel, two clamp arm are corresponding with auricle.Such as Fig. 1
With shown in Fig. 2, each clamp arm all has armed lever 11, enhancement layer 12 and fixed sleeving 13.
The diameter of armed lever 11 is 1mm~1.5mm, and diameter is 1mm~1.2mm in the present embodiment.The length of armed lever 11 is
It is different to adapt to can to make within this range the armed lever of various length according to the size difference of the auricle of human body by 30mm~50mm
The size of the auricle of patient.Armed lever 11 is shape memory metal material, uses Nitinol in the present embodiment.
Fig. 3 is the structural schematic diagram of enhancement layer in the embodiment of the present invention.
Enhancement layer 12 is with the tubular structure of the opening 12a in axial direction extended, and opening 12a's is dimensioned slightly smaller than
The diameter of armed lever 11 so that enhancement layer 12 can be fastened on armed lever by the 12a that is open, and in turn ensures that enhancement layer 12 covers
It is unlikely to fall off on armed lever 11, to guarantee.The internal diameter of enhancement layer 12 is identical as the diameter of armed lever 11, is 1mm~1.2mm.Add
The outer diameter of strong layer 12 is 3mm.The hardness of enhancement layer 12 is greater than the hardness of armed lever 11, and enhancement layer 12 is using stainless in the present embodiment
Steel material.
Fixing sleeve pipe sleeve 13 is located at the periphery of enhancement layer 12, for fixing enhancement layer.As shown in Figure 1, fixed sleeving 13 by
Individually separated multiple tube units are constituted, and the length of tube unit is 5mm~10mm.Adjacent tube unit is along armed lever 11
The end to end arrangement of axial direction.In the present embodiment, 6 end to end arrangements of casing are used using each armed lever side.It is fixed
Casing 13 is using any one medical macromolecular materials in polyurethane, silica gel, polymethyl methacrylate and polylactic acid.
Interconnecting piece 20 connects two clamp arm, for making the auricle of two clamp arm clamping patients by deformation.Interconnecting piece 20 wraps
Include the first pontes 21 and second connecting portion point 22 of arc-shaped structure.The first pontes 21 connects two clamp arm
One end；Second connecting portion is divided to the other end of 22 two clamp arm of connection.The arc of the first pontes 21 and second connecting portion point 22
Shape structure vertical is 8mm in the plane where two clamp arm, the arc diameter of the arcuate structure.The first pontes 21 and
The integrated molding of two coupling parts 22 and two armed levers 11 and use Nitinol, and the first pontes 21 and second connect
The diameter in section and the diameter of armed lever 11 of socket part point 22 are mutually all 1mm~1.5mm, and in the present embodiment, which is
1mm~1.5mm.The first pontes 21 and second connecting portion be divided to 22 and the connecting portion of two armed levers all have chamfering,
As shown in Figure 1, the diameter of chamfering P is 2mm.
Fibre sleeving is the polyester fiber set of closure, is coated on the first pontes 21, second connecting portion is divided to 22 and two
The periphery of clamp arm.The surface of polyester fiber set is suede surface, can enhance frictional force.
When using above-mentioned auricle clamp in auricle closure operation, first use conveying control device by two clamp arm of auricle clamp
It is bundled in manipulation line respectively, behind the auricle position that auricle clamp reaches patient, passes through the manipulation line on the conveying control device
It controls two clamp arm to separate to allow auricle between two clamp arm, then cuts off manipulation line again, so that two clamp arm are drawn close, from
And clamp the auricle of patient.
The action and effect of embodiment
The auricle clamp according to involved in the present embodiment, since with clamp arm portion and interconnecting piece, clamp arm portion has and auricle phase
Corresponding two clamp arm, interconnecting piece have the first pontes and the connection of the arc-shaped structure of one end of two clamp arm of connection
The second connecting portion of the arcuate structure of the other end of two clamp arm point, and the armed lever of clamp arm and the first pontes and second
It is shape memory metal that coupling part, which is integrally formed, therefore, in the arcuate structure that the outer masterpiece used time connect with two clamp arm
Two clamp arm may make to open, and shape memory metal can clamp and suffer from later drawing close two clamp arm by deformation recovery
The auricle of person, so that auricle closure prevents blood from flowing into and cause thrombus.In addition, the periphery of armed lever is provided with enhancement layer,
The hardness of enhancement layer is greater than the hardness of armed lever, so can enhance the intensity of clamp arm, so that the clamping force of clamp arm increases.Separately
Outside, the periphery of enhancement layer, which is provided with fixed sleeving, can be used to fixed enhancement layer to prevent enhancement layer to be detached from armed lever, also may make folder
The surface area of arm increases, so that load can be distributed to biggish area, to avoid the injury caused to patient muscle tissue.
Auricle is closed outside auricle using the auricle clamp of the present embodiment in auricle closure operation, can effectively stop
Blood again flows into, and avoids excision and ligation auricle, so that operation has higher success rate.
Further, since enhancement layer is the tubular structure with the opening in axial direction extended, so enhancement layer passes through
The opening can be fastened on armed lever, and since enhancement layer uses stainless steel steel material, stainless steel material hardness can add greatly
The clamping force of strong clamp arm, stainless steel material have good fatigue-resistance characteristics and good ductility, so can in engaging
So that opening is magnified so that armed lever enters, then enhancement layer being clipped in clamp arm tightly can again be not easily disconnected from.
Further, the diameter of armed lever is 1mm~1.5mm, and the outer diameter of enhancement layer is 3mm, due to such diameter, so that folder
Arm is unlikely to that auricle can not be clamped because diameter is too small, also avoids leading to not the auricle ruler for being suitable for human body because diameter is excessive
It is very little.
Further, since the diameter in the section of the first pontes and second connecting portion point is 1mm~1.5mm, first
The diameter of the arcuate structure of coupling part and second connecting portion point is 8mm, therefore can in the case where auricle clamp is in unfolded state
So that dynamics is evenly distributed, so that the auricle clamp expansion process made is more easier to operate.
Further, the first pontes and second connecting portion, which are divided to, all has chamfering with the connecting portion of two armed levers, should
The diameter of chamfering is 2mm, and such structure more will not smoothly scratch the heart tissue of patient, and such chamfering is arranged
It can be conducive to the power transmitting of the first pontes and second connecting portion point between armed lever.
Further, it is divided in the first pontes, second connecting portion and the periphery of two clamp arm is coated with the terylene of closure
Fibre sleeving, the polyester fiber set can increasing friction force, in addition, can also allow doctor that auricle clamp is sewn to trouble by polyester fiber set
With stronger on the auricle of person.
Further, be made of due to fixed sleeving individually separated multiple tube units, the length of tube unit be 5mm~
10mm can facilitate operation, connect so integrally formed armed lever can be easily inserted in the first pontes and second
Part, and can accurately be set in the periphery of enhancement layer.
Further, the length of armed lever is 30mm~50mm, is adapted with the auricle of human body, may be provided within the scope of this and design
Various sizes, to be suitble to the demand of the auricle size of different patients.
Further, due to fixed sleeving is polyurethane, silica gel, polymethyl methacrylate and polylactic acid any one
Medical macromolecular materials, therefore the fixed sleeving not only has a good biocompatibility, but also due to these materials be tool
Flexible material can make load extension dispersion to avoid the concentration of stress.
Further, shape memory metal is Nitinol, and shape memory effect is splendid, can be replied after auricle clamp expansion
To initial clamped condition so that patient's auricle can be more stable clamp and be not easy to loosen.
Above embodiment is preferred case of the invention, the protection scope being not intended to limit the invention.
Claims (9)
1. a kind of auricle clamp, for clamping the auricle of patient to prevent blood from flowing into, which is characterized in that including：
Clamp arm portion has two clamp arm corresponding with the auricle；And
Interconnecting piece connects two clamp arm, for making two clamp arm clamp the auricle by deformation, has connection two
The other end of two clamp arm of the first pontes and connection of the arc-shaped structure of one end of a clamp arm is in arc
The second connecting portion of shape structure point,
Wherein, the clamp arm has armed lever, enhancement layer and fixed sleeving,
The armed lever and the first pontes and the second connecting portion point are integrally formed and are shape memory metal,
The enhancement layer is covered on the periphery of the armed lever, and hardness is greater than the hardness of the armed lever,
The fixed sleeving is set in the periphery of the enhancement layer, for fixing the enhancement layer.
2. auricle clamp according to claim 1, it is characterised in that：
Wherein, the enhancement layer is stainless steel material,
The enhancement layer is the tubular structure with the opening in axial direction extended,
The enhancement layer is fastened on the armed lever by the opening.
3. auricle clamp according to claim 2, it is characterised in that：
Wherein, the diameter of the armed lever is 1mm~1.5mm,
The internal diameter of the enhancement layer and the diameter of the armed lever match, outer diameter 3mm.
4. auricle clamp according to claim 1, it is characterised in that：
Wherein, the diameter in the section of the first pontes and the second connecting portion point is 1mm~1.5mm,
The diameter of the first pontes and the arcuate structure of the second connecting portion point is 8mm,
The first pontes and the second connecting portion, which are divided to, all has chamfering with the connecting portion of two armed levers, should
The diameter of chamfering is 2mm.
5. auricle clamp according to claim 1, it is characterised in that：
Wherein, the first pontes, the second connecting portion are divided to and the periphery of two clamp arm is coated with closure
Polyester fiber set.
6. auricle clamp according to claim 1, it is characterised in that：
Wherein, the fixed sleeving is made of individually separated multiple tube units, the length of described sleeve pipe unit be 5mm~
10mm,
Axial direction end to end arrangement of the adjacent described sleeve pipe unit along the armed lever.
7. auricle clamp according to claim 1, it is characterised in that：
Wherein, the length of the armed lever is 30mm~50mm.
8. auricle clamp according to claim 1, it is characterised in that：
Wherein, the fixed sleeving is medical macromolecular materials,
The medical macromolecular materials are any one in polyurethane, silica gel, polymethyl methacrylate and polylactic acid.
9. auricle clamp according to claim 1, it is characterised in that：
Wherein, the shape memory metal is Nitinol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810489323.XA CN108888310A (en) | 2018-05-21 | 2018-05-21 | Auricle clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810489323.XA CN108888310A (en) | 2018-05-21 | 2018-05-21 | Auricle clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108888310A true CN108888310A (en) | 2018-11-27 |
Family
ID=64342972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810489323.XA Pending CN108888310A (en) | 2018-05-21 | 2018-05-21 | Auricle clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108888310A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109731712A (en) * | 2019-01-28 | 2019-05-10 | 广东电网有限责任公司 | A kind of healthy ring spray Qi Gu fixed rack of plain type electric pole |
| CN113274095A (en) * | 2020-02-19 | 2021-08-20 | 刘健 | Heart-ear forceps for preventing thrombus from falling off |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203074795U (en) * | 2011-11-25 | 2013-07-24 | 北京迈迪顶峰医疗科技有限公司 | Auricular appendage clamp |
| CN105193471A (en) * | 2015-08-11 | 2015-12-30 | 北京迈迪顶峰医疗科技有限公司 | Auricle clamp and conveying device thereof |
| CN107530070A (en) * | 2015-03-24 | 2018-01-02 | 森特里心脏股份有限公司 | Apparatus and method for left auricle of heart closure |
-
2018
- 2018-05-21 CN CN201810489323.XA patent/CN108888310A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203074795U (en) * | 2011-11-25 | 2013-07-24 | 北京迈迪顶峰医疗科技有限公司 | Auricular appendage clamp |
| CN107530070A (en) * | 2015-03-24 | 2018-01-02 | 森特里心脏股份有限公司 | Apparatus and method for left auricle of heart closure |
| CN105193471A (en) * | 2015-08-11 | 2015-12-30 | 北京迈迪顶峰医疗科技有限公司 | Auricle clamp and conveying device thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109731712A (en) * | 2019-01-28 | 2019-05-10 | 广东电网有限责任公司 | A kind of healthy ring spray Qi Gu fixed rack of plain type electric pole |
| CN113274095A (en) * | 2020-02-19 | 2021-08-20 | 刘健 | Heart-ear forceps for preventing thrombus from falling off |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20181127 |