CN209564156U - A kind of heart atrial septal defect closer - Google Patents
A kind of heart atrial septal defect closer Download PDFInfo
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- CN209564156U CN209564156U CN201822204771.9U CN201822204771U CN209564156U CN 209564156 U CN209564156 U CN 209564156U CN 201822204771 U CN201822204771 U CN 201822204771U CN 209564156 U CN209564156 U CN 209564156U
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- closer
- ring
- gas
- guide tube
- retainer ring
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Abstract
The utility model relates to the field of medical instrument technology, it is designed to provide a kind of heart atrial septal defect closer, including including collecting ring, described collect is provided with the first closer ontology at the top of ring, the bottom for collecting ring is provided with the second closer ontology, the top exterior walls of the first closer ontology are provided with drawing head, one end of the drawing head is provided with traction fiber, the top exterior walls of the second closer ontology are provided with connecting hole, the connecting hole is internally provided with the first sealing ring, it is described collect ring be internally provided with the air bag equidistantly distributed, the bottom outer wall of the air bag is provided with gas-guide tube.The beneficial effects of the utility model are that the first retainer ring and the second retainer ring can be good at being clamped, so as to fix gas-guide tube position well, the sliding of gas-guide tube position is prevented, the rubber material that the first retainer ring and the second retainer ring use can be good at guaranteeing the mildness of gas-guide tube and circular rings contact site.
Description
Technical field
The utility model relates to medical instruments field more particularly to a kind of heart atrial septal defect closers.
Background technique
Atrial septal defect refers to that in embryo development procedure, exception occur in generation, absorption and the fusion of atrial septum, causes
The defect of patent is remained between left and right atrium.This disease accounts for about the 10% of all congenital heart diseases, accounts for adult congenital heart disease
20 ~ 30%.Since the pressure of atrium sinistrum is higher than atrium dextrum, the blood of atrium sinistrum can enter the right heart by atrial septal defect
Room causes the right burden for feeling concerned about system to increase, and causes right ventricular hypertrophy, and pulmonary circulatory blood volume increases, and may finally lead to pulmonary artery height
Pressure, the diseases such as arrhythmia cordis and heart failure occur.
At present for the treatment of atrial septal defect, mostly use minimally invasive interventional therapy method, it by special conduit and
Position to be treated needed for its device is inserted by peripheral blood vessel, and release device realizes treatment, the heart in the prior art
Dirty closing device for atrial septal defect cannot be adjusted according to patient every the area of defect or the wall thickness of heart well when in use
Closer, poor so as to cause the regulating power of closer, closure effect is bad, and the friction of traction fiber and vein inner wall is normal when use
Often result in the generation of patient's adverse reaction.
It can be according to the heart atrial septal defect closer being adjusted every defect size therefore, it is necessary to invent one kind.
Utility model content
In view of this, facilitating the diameter for adjusting sealing gap to avoid traction fiber the purpose of this utility model is to provide a kind of
With the heart atrial septal defect closer of intravenous wall friction.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
A kind of heart atrial septal defect closer, including ring is collected, described collect is provided with the first closer at the top of ring
Ontology, the bottom for collecting ring are provided with the second closer ontology, and the top exterior walls of the first closer ontology are provided with
Drawing head, one end of the drawing head are provided with traction fiber, and the top exterior walls of the second closer ontology are provided with connecting hole, institute
State first sealing ring that is internally provided with of connecting hole, the air bag equidistantly distributed that is internally provided with for collecting ring, the gas
Run through mutually between capsule, the bottom outer wall of the air bag is provided with gas-guide tube, and the traction fiber is located at gas-guide tube and is plugged on air guide
The inside of pipe, the top inner wall of the second closer ontology are provided with circular rings, and the gas-guide tube is plugged on the interior of circular rings
Portion, the circular rings are internally provided with the first retainer ring of several layers, and the side outer wall of the gas-guide tube is provided with the second retainer ring, institute
It states and is provided with the second sealing ring at the top of air bag, second sealing ring is socketed in the outside of traction fiber, second closer
The bottom of ontology is provided with traction tube, and one end of the traction tube is provided with introducing pipe.
Further, the specification of the second closer ontology is identical with the specification of the first closer ontology, and described second
Closer ontology and the first closer ontology are woven by nitinol alloy wire.
Further, the ring that collects is made for elastic material.
Further, the gas-guide tube is plugged on the inside for introducing pipe, and the internal diameter of the gas-guide tube is greater than the straight of traction fiber
Diameter.
Further, the specification of first retainer ring is identical with the specification of the second retainer ring, first retainer ring and the second card
Circle is that natural rubber material is made.
The beneficial effects of the utility model are: first retainer ring and the second retainer ring of (1) by setting, the first retainer ring and second
Retainer ring can be good at being clamped, and so as to fix gas-guide tube position well, prevent the sliding of gas-guide tube position, and first
The rubber material that retainer ring and the second retainer ring use can be good at guaranteeing the mildness of gas-guide tube and circular rings contact site, and first
Retainer ring and the second retainer ring have good deformability, convenient for the clamping of the first retainer ring and the second retainer ring；(2) pass through the gas of setting
Capsule and gas-guide tube can be good at according to the demand of user through air bag and gas-guide tube during traction fiber pulls, make
The air in air bag is discharged for first closer ontology and the second closer ontology extruding gasbag, thus according to block-up position and
The size of aperture changes the shape and diameter for collecting ring, improves the adjustability in closer use process；(3) by setting
The gas-guide tube set can be good at the direction for controlling air guide, at the same can be good at avoiding traction fiber directly with patient's vein
Inner wall generates friction, and patient is caused to generate adverse reaction.
Detailed description of the invention
Fig. 1 show a kind of structural schematic diagram of heart atrial septal defect closer in specific embodiment.
Fig. 2 show a kind of lateral plate schematic cross-sectional view of heart atrial septal defect closer.
Fig. 3 show the enlarged drawing of A in Fig. 2.
Fig. 4 show the enlarged drawing of B in Fig. 2.
Drawing reference numeral explanation:
1- the second closer ontology；2- the second closer ontology；3- traction tube；4- introduces pipe；5- drawing head；6- is collected
Ring；The second sealing ring of 7-；8- air bag；9- circular rings；The first retainer ring of 10-；11- traction fiber；12- gas-guide tube；The second retainer ring of 13-.
Specific embodiment
The utility model is described further in the following with reference to the drawings and specific embodiments as follows:
As shown in Fig. 1 ~ Fig. 4, a kind of heart atrial septal defect closer provided by the utility model, including ring 6 is collected, institute
It states and collects the top of ring 6 and be provided with the first closer ontology 2, the bottom for collecting ring 6 is provided with the second closer ontology 1,
The top exterior walls of the first closer ontology 2 are provided with drawing head 5, and one end of the drawing head 5 is provided with traction fiber 11, institute
The top exterior walls for stating the second closer ontology 1 are provided with connecting hole, and the connecting hole is internally provided with the first sealing ring 14, described
The air bag 8 equidistantly distributed that is internally provided with for collecting ring 6, runs through mutually between the air bag 8, outside the bottom of the air bag 8
Wall is provided with gas-guide tube 12, and the traction fiber 11 is located at the inside that gas-guide tube 12 is plugged on gas-guide tube 12, second closer
The top inner wall of ontology 1 is provided with circular rings 9, and the gas-guide tube 12 is plugged on the inside of circular rings 9, the circular rings 9 it is interior
Portion is provided with the first retainer ring of several layers 10, and the side outer wall of the gas-guide tube 12 is provided with the second retainer ring 13, the top of the air bag 8
Portion is provided with the second sealing ring 7, and second sealing ring 7 is socketed in the outside of traction fiber 11, the second closer ontology 1
Bottom is provided with traction tube 3, and one end of the traction tube 3, which is provided with, introduces pipe 4.
The working principle of the utility model is as follows: in use, by pulling traction fiber 11 to make the first closer ontology 2 and the
Air extrusion in air bag 8 to gas-guide tube 12 is discharged, in pulling two closer ontologies, 1 extruding gasbag 8 from gas-guide tube 12
The first retainer ring 10 and the second retainer ring 13 can be good at being clamped in the process, so as to fix gas-guide tube 12 well
It sets, by the gas-guide tube 12 of setting in use process, can be good at the direction for controlling air guide, while can be good at avoiding leading
Draw silk 11 and directly generate friction with the inner wall of patient's vein, patient is caused to generate adverse reaction.
As can be seen from the above description, the utility model has the following beneficial effects: the first retainer ring and second that (1) passes through setting
Retainer ring, the first retainer ring and the second retainer ring can be good at being clamped, and so as to fix gas-guide tube position well, prevent from leading
The rubber material that the sliding of position of trachea, the first retainer ring and the second retainer ring use can be good at guaranteeing that gas-guide tube connects with circular rings
The mildness of contact portion position, the first retainer ring and the second retainer ring have good deformability, convenient for the first retainer ring and the second retainer ring
Clamping；(2) by the air bag and gas-guide tube of setting, can be good at being led according to the demand of user by air bag and gas-guide tube
During drawing silk pulling, make the first closer ontology and the second closer ontology extruding gasbag, the air in air bag be discharged,
Collect the shape and diameter of ring to change according to the size of block-up position and aperture, improve in closer use process can
Regulating power.
Further, the specification of the second closer ontology 1 is identical with the specification of the first closer ontology 2, and described
Two closer ontologies 1 and the first closer ontology 2 are woven by nitinol alloy wire, and the string diameter of the nitinol alloy wire is
0.04mm-0.20mm,
Seen from the above description nitinol alloy wire is a kind of marmem, and marmem is can be by the modeling of itself
Property deformation the special alloy of original-shape is automatically restored under a certain specific temperature, there is good plasticity.
Further, the ring 6 that collects is made for elastic material, and the ring 6 that collects can be good at closing first
When clutch ontology 2 and the second closer 1 extruding gasbag 8 of ontology, the air inside air bag 8 is extracted out, to change the length for collecting ring 6
Degree and diameter make closer ontology have good adjustment ability when facing the user of different heart defects.
Further, the gas-guide tube 12 is plugged on the inside for introducing pipe 4, and the internal diameter of the gas-guide tube 12 is greater than traction fiber
11 diameter, traction fiber 11 are located at the inside of gas-guide tube 12, can be good at the direction for controlling air guide, while can be good at keeping away
Exempt from traction fiber 11 and directly generate friction with the inner wall of patient's vein, patient is caused to generate adverse reaction.
Further, the specification of first retainer ring 10 is identical with the specification of the second retainer ring 13,10 He of the first retainer ring
Second retainer ring 13 is that natural rubber material is made, and the first retainer ring 10 and the second retainer ring 13 can be good at being clamped, thus
It can be very good fixed 12 position of gas-guide tube, prevent the sliding of 12 position of gas-guide tube, the first retainer ring 10 and the second retainer ring 13 use
Rubber material can be good at guaranteeing the mildness between gas-guide tube 12 and circular rings 9, there is good deformability, be convenient for
The clamping of first retainer ring 10 and the second retainer ring 13.
It can be good at controlling the direction of air guide using above-mentioned gas-guide tube, while can be good at avoiding traction fiber direct
Friction is generated with the inner wall of patient's vein, patient is caused to generate adverse reaction.
Several preferred embodiments or Application Example are enumerated, again below to help those skilled in the art to better understand
The technical contribution that the technology contents and the utility model of the utility model are made compared with the existing technology:
Embodiment 1
A kind of heart atrial septal defect closer, including ring 6 is collected, the top for collecting ring 6 is provided with the first closure
Device ontology 2, the bottom for collecting ring 6 are provided with the second closer ontology 1, the top exterior walls of the first closer ontology 2
It is provided with drawing head 5, one end of the drawing head 5 is provided with traction fiber 11, and the top exterior walls of the second closer ontology 1 are opened
There is a connecting hole, the connecting hole is internally provided with the first sealing ring 14, described to collect being internally provided with for ring 6 and equidistantly distribute
Air bag 8, run through mutually between the air bag 8, the bottom outer wall of the air bag 8 is provided with gas-guide tube 12, the traction fiber 11
The inside of gas-guide tube 12 is plugged on positioned at gas-guide tube 12, the top inner wall of the second closer ontology 1 is provided with circular rings 9,
The gas-guide tube 12 is plugged on the inside of circular rings 9, and the circular rings 9 are internally provided with the first retainer ring of several layers 10, described
The side outer wall of gas-guide tube 12 is provided with the second retainer ring 13, and the top of the air bag 8 is provided with the second sealing ring 7, and described second
Sealing ring 7 is socketed in the outside of traction fiber 11, and the bottom of the second closer ontology 1 is provided with traction tube 3, the traction tube
3 one end, which is provided with, introduces pipe 4.
Wherein, the specification of the second closer ontology 1 is identical with the specification of the first closer ontology 2, and described second closes
Clutch ontology 1 and the first closer ontology 2 are woven by nitinol alloy wire, and the string diameter of the nitinol alloy wire is
0.04mm-0.20mm, the nitinol alloy wire are a kind of marmems, and marmem is to become the plasticity of itself
Shape is automatically restored to the special alloy of original-shape under a certain specific temperature, has good plasticity；The ring 6 that collects is
Elastic material is made, and the ring 6 that collects can be good at squeezing in the first closer ontology 2 and the second closer ontology 1
When air bag 8, the air extraction inside air bag 8 makes closer ontology in face of not to change the length and diameter for collecting ring 6
With heart defect user when have well adjust ability；The gas-guide tube 12 is plugged on the inside for introducing pipe 4, described to lead
The internal diameter of tracheae 12 is greater than the diameter of traction fiber 11, and traction fiber 11 is located at the inside of gas-guide tube 12, can be good at controlling air guide
Direction, while can be good at avoiding traction fiber 11 directly to generate friction with the inner wall of patient's vein, patient caused to generate not
Good reaction；The specification of first retainer ring 10 is identical with the specification of the second retainer ring 13, first retainer ring 10 and the second retainer ring 13
It is that natural rubber material is made, the first retainer ring 10 and the second retainer ring 13 can be good at being clamped, so as to good
Fixed 12 position of gas-guide tube prevents the sliding of 12 position of gas-guide tube, the rubber material that the first retainer ring 10 and the second retainer ring 13 use
It can be good at guaranteeing the mildness between gas-guide tube 12 and circular rings 9, there is good deformability, be convenient for the first retainer ring 10
With the clamping of the second retainer ring 13.
In conclusion a kind of heart atrial septal defect closer provided by the utility model, passes through the first retainer ring of setting
With the second retainer ring, the first retainer ring and the second retainer ring can be good at being clamped, so as to fix gas-guide tube position well,
The sliding of gas-guide tube position is prevented, the rubber material that the first retainer ring and the second retainer ring use can be good at guaranteeing gas-guide tube and circle
The mildness of shape ring contact site, the first retainer ring and the second retainer ring have good deformability, are convenient for the first retainer ring and second
The clamping of retainer ring；By the air bag and gas-guide tube of setting, can be good at passing through air bag and gas-guide tube according to the demand of user
During traction fiber pulls, make the first closer ontology and the second closer ontology extruding gasbag, by the air in air bag
Discharge improves closer use process to change the shape and diameter for collecting ring according to the size of block-up position and aperture
In adjustability；By the gas-guide tube of setting, it can be good at the direction for controlling air guide, while can be good at avoiding leading
Draw silk and directly generate friction with the inner wall of patient's vein, patient is caused to generate adverse reaction.
The utility model is described by above-mentioned related embodiment and attached drawing, however above-described embodiment is only to implement this reality
With novel example.It must be noted that the embodiment disclosed is not limiting as the scope of the utility model.On the contrary, including
It is included in the scope of the utility model in the modification of the spirit and scope of claim and impartial setting.
Claims (5)
1. a kind of heart atrial septal defect closer, which is characterized in that including collecting ring, described collect is provided at the top of ring
One closer ontology, the bottom for collecting ring are provided with the second closer ontology, outside the top of the first closer ontology
Wall is provided with drawing head, and one end of the drawing head is provided with traction fiber, and the top exterior walls of the second closer ontology are provided with
Connecting hole, the connecting hole are internally provided with the first sealing ring, it is described collect ring be internally provided with the gas equidistantly distributed
Capsule runs through mutually between the air bag, and the bottom outer wall of the air bag is provided with gas-guide tube, and the traction fiber is inserted positioned at gas-guide tube
It connects in the inside of gas-guide tube, the top inner wall of the second closer ontology is provided with circular rings, and the gas-guide tube is plugged on circle
The inside of shape ring, the circular rings are internally provided with the first retainer ring of several layers, and the side outer wall of the gas-guide tube is provided with
Two retainer rings, are provided with the second sealing ring at the top of the air bag, and second sealing ring is socketed in the outside of traction fiber, and described
The bottom of two closer ontologies is provided with traction tube, and one end of the traction tube is provided with introducing pipe.
2. a kind of heart atrial septal defect closer according to claim 1, which is characterized in that the second closer sheet
The specification of body is identical with the specification of the first closer ontology, and the second closer ontology and the first closer ontology are by NiTi
Alloy wire weaves.
3. a kind of heart atrial septal defect closer according to claim 1, which is characterized in that the ring that collects is elasticity
Material is made.
4. a kind of heart atrial septal defect closer according to claim 1, which is characterized in that the gas-guide tube is plugged on
The inside of pipe is introduced, the internal diameter of the gas-guide tube is greater than the diameter of traction fiber.
5. a kind of heart atrial septal defect closer according to claim 1, which is characterized in that the rule of first retainer ring
The specification of lattice and the second retainer ring is identical, and first retainer ring and the second retainer ring are that natural rubber material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822204771.9U CN209564156U (en) | 2018-12-26 | 2018-12-26 | A kind of heart atrial septal defect closer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822204771.9U CN209564156U (en) | 2018-12-26 | 2018-12-26 | A kind of heart atrial septal defect closer |
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| Publication Number | Publication Date |
|---|---|
| CN209564156U true CN209564156U (en) | 2019-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822204771.9U Expired - Fee Related CN209564156U (en) | 2018-12-26 | 2018-12-26 | A kind of heart atrial septal defect closer |
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| CN (1) | CN209564156U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111358510A (en) * | 2018-12-26 | 2020-07-03 | 福建医科大学附属协和医院 | Cardiac atrial septal defect closer |
| CN111513773A (en) * | 2020-03-30 | 2020-08-11 | 北京大学深圳研究生院 | Recoverable ventricular isolation device, recovery device and system |
-
2018
- 2018-12-26 CN CN201822204771.9U patent/CN209564156U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111358510A (en) * | 2018-12-26 | 2020-07-03 | 福建医科大学附属协和医院 | Cardiac atrial septal defect closer |
| CN111513773A (en) * | 2020-03-30 | 2020-08-11 | 北京大学深圳研究生院 | Recoverable ventricular isolation device, recovery device and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191101 Termination date: 20201226 |