CN104274262A - Retention device for constructing abnormal heart channel - Google Patents
Retention device for constructing abnormal heart channel Download PDFInfo
- Publication number
- CN104274262A CN104274262A CN201410441057.5A CN201410441057A CN104274262A CN 104274262 A CN104274262 A CN 104274262A CN 201410441057 A CN201410441057 A CN 201410441057A CN 104274262 A CN104274262 A CN 104274262A
- Authority
- CN
- China
- Prior art keywords
- disk body
- waist
- indwelling device
- setting
- right disk
- 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.)
- Granted
Links
Landscapes
- Prostheses (AREA)
Abstract
The invention discloses a retention device for constructing an abnormal heart channel. The retention device is of a hollow meshed structure which is woven by weaving yarns and has a shape memorization function. The retention device comprises a left disk body and a right disk body which are disk-shaped, and a waist part, wherein the left disk body and the right disk body are connected with each other through the waist to form a whole and are of elastic structures capable of being elastically deformed; the waist part is of a rigid supporting structure; a front end opening is formed in the front end of the left disk body; a rear end opening is formed in the rear part of the right disk body; a channel is formed among the front end opening, the inner cavity of the waist part and the rear end opening in a penetrating manner; the end parts of the weaving yarns which are positioned at the rear part of the right disk body and are used for weaving the right disk body are gathered into a bundle and are fixed by fixing pieces. According to the retention device capable of constructing the abnormal heart channel, the problem that a high-pressure model of a pulmonary artery is difficult to construct can be solved.
Description
Technical field
The invention belongs to technical field of medical instruments, relate to a kind of indwelling device, particularly relating to a kind of indwelling device for setting up heart abnormality passage.
Background technology
Congenital heart disease is the modal heart disease of a kind of children's, the defect of the cardiovascular structure that congenital heart disease exists when referring to embryonic stage or birth and (or) function, China about has 150,000 neonates to suffer from congenital heart disease every year, and the trend that sickness rate increases in addition year by year, current congenital heart disease occupy the first place of China's birth defect.Congenital heart disease is as not early operation, and the patient of 30% pulmonary hypertension will occur.Congenital heart disease mechanism is still not fully aware of, and one of them chief reason is the model construction difficulty of congenital heart disease, there is no the report setting up stable heart defect model so far both at home and abroad.
The pulmonary hypertension that congenital heart disease causes, usually because endocardial or trunk level exist the shunting of from left to right (as atrial septal defect, ventricular septal defect etc.), pulmonary circulation blood flow amount is caused to continue to increase, very high pressure rushes at pulmonary circulation, make lung arteriolospasm, produce power type pulmonary hypertension, continuing development can cause pulmonary artery pressure to continue to increase, even surmount aortic pressure, lung small artery intimal thickening and sclerosis, pulmonary vascular resistance raises, form resistance-type pulmonary hypertension, now M-mode echocardiography reduces, then there is bidirectional shunt, even reversed shunt, there is the symptom of cyanosis and right heart failure clinically, develop into eisenmenger syndrome.Eisenmenger syndrome cannot be treated by routine operation, generally combined heart and lung transplantation can only be selected, surgery cost is high, and long-term survival of performing the operation is lower, the eisenmenger syndrome patient of non-row transplant operation treatment often dies from the heart failure and Secondary cases pulmonary infection that pulmonary hypertension causes.
The most common with congenital heart disease in the secondary cause of pulmonary hypertension.The mechanism of pulmonary hypertension is illustrated not yet completely, once develop into organic pulmonary hypertension, have a strong impact on healthy, in existing congenital heart disease, the treatment of relevant pulmonary hypertension also just improves the clinical symptoms of patient, as there is eisenmenger syndrome then without surgical indication, so far also without effective treatment means.
Summary of the invention
The technical problem to be solved in the present invention is, for the defect not yet effectively solving pulmonary hypertension in prior art, provides a kind of indwelling device for setting up heart abnormality passage.This indwelling device can set up the abnormal passage of heart, can solve the problem that pulmonary hypertension model sets up difficulty further.
The technical solution adopted for the present invention to solve the technical problems is: a kind of indwelling device for setting up heart abnormality passage, described indwelling device is the hollow network structure with shape memory of braided wires braiding, comprises the left disk body of plate-like and right disk body and waist; Entirety is connected into by waist between described left disk body and right disk body;
Described left disk body and right disk body are the elastic construction of elastically deformable, and described waist is the rigid structure supported;
The front end of described left disk body has front port, and the rear portion of described right disk body is provided with rear port, described front port, is formed through a passage between waist inner chamber and rear port;
Described right disk body rear portion converge bunchy being fixed by fixture for the braided wires end weaving right disk body.
Preferably, for setting up in the indwelling device of heart abnormality passage, described left disk body, right disk body and waist are the integrative-structure of braided wires braiding.
Preferably, for setting up in the indwelling device of heart abnormality passage, described left disk body, right disk body are cylindrical fabric radial outstanding disk body forming smooth surface after pressurized.
Preferably, for setting up in the indwelling device of heart abnormality passage, described left disk body, right disk body, waist are all about axis structure axisymmetricly.
Preferably, for setting up in the indwelling device of heart abnormality passage, described front port is positioned at the disk body center of left disk body, or/and described rear port is positioned at the disk body center of right disk body.
Preferably, for setting up in the indwelling device of heart abnormality passage, described waist is cylindrical shape, oval cylinder or frustum tubular, and in the waist of described frustum tubular, point diameter is greater than rear end diameter.
Preferably, for setting up in the indwelling device of heart abnormality passage, described waist is double-deck network structure or multilamellar network structure, and described left disk body and right disk body are monolayer network structure.
Preferably, for setting up in the indwelling device of heart abnormality passage, the outer wall of described fixture is smooth and without the curved surface of corner angle, described braided wires end winding support is inner at described fixture.
Preferably, for setting up in the indwelling device of heart abnormality passage, the braided wires beam splitting on described fixture is fixed, and forms the perforation of passing for seal wire between braided wires and fixture.
Preferably, for setting up in the indwelling device of heart abnormality passage, described fixture arranges at least two in the rear of right disk body correspondence, and between fixture, interval arranges and leaves the passage corresponding with rear port.
Indwelling device for setting up heart abnormality passage provided by the invention, adopts the hollow network structure of braided wires braiding; After cardiac septum puncture, indwelling device is inserted puncture defect place by the method got involved, wherein the left disk body of indwelling device can be placed in the left side chambers of the heart, right disk body is placed in the right side chambers of the heart, because indwelling apparatus has shape memory function, after indwelling device is in place, left disk body and right disk body elastic return discoid, be clamped on the wall at cardiac puncture place, and the front port of indwelling device, waist inner chamber and rear port form a passage, waist has anti-blood stream pressure, so just between the chambers of the heart of left and right, establishes abnormal passage.According to the diameter setting up heart abnormality passage, can select the indwelling device of different waist diameter size, therefore, the size for abnormal passage has controllability.
The present invention forms an abnormal passage between the left and right sides chambers of the heart, under the effect of endocardial pressure, blood is shunted from left to right, hemodynamic change causes heart and pulmonary vascular reconstruct further, and then set up the model of pulmonary hypertension, also for the mechanism research of pulmonary hypertension lays the foundation.Indwelling device is inserted heart by the method got involved by the present invention, and carries out the feature of individuation selection according to the size setting up abnormal passage aperture, farthest to meet the anatomical structure of abnormal passage local, makes simple to operate and reliable.
Technique effect of the present invention is the size according to setting up heart abnormality channel diameter, can select the indwelling device of different hollow diameters size, improves and sets up abnormal passage controllability.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the top view of the embodiment of the present invention;
Fig. 3 is annexation schematic diagram between the fixture of the embodiment of the present invention and braided wires end;
Fig. 4 is that the embodiment of the present invention is arranged on position relationship schematic diagram in conveyer device.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
Orientation of the present invention defines according to the position of indwelling device in heart: the disk body being placed in the left side chambers of the heart is called left disk body, and another disk body being placed in the right side chambers of the heart is called right disk body, and to be positioned at orientation, left side be front, is positioned at after right lateral aspect is.
As Figure 1-4, a kind of indwelling device for setting up heart abnormality passage, described indwelling device is the hollow network structure with shape memory of braided wires braiding, comprises the left disk body 100 of plate-like and right disk body 300 and waist 200; Entirety is connected into by waist 200 between described left disk body 100 and right disk body 300; Described left disk body 100 and right disk body 300 are the elastic construction of elastically deformable, and described waist 200 is the rigid structure supported; The front end of described left disk body 100 has front port 101, and the rear portion of described right disk body 300 is provided with rear port 301, described front port 101, is formed through a passage between waist 200 inner chamber and rear port 301; The converging bunchy for the braided wires end 501 weaving right disk body 300 and fixed by fixture 500 of described right disk body 300 rear portion.Described indwelling device is the abnormal blood flow passage setting up heart, unrestricted to the direction of blood flow in the chambers of the heart.
As shown in Figure 1, 2, the agent structure of indwelling device is exactly left disk body 100, waist 200 and right disk body 300, wherein the effect of left disk body 100 and right disk body 300 inserts heart at indwelling device, left disk body 100 is positioned at the left side chambers of the heart, right disk body 300 is positioned at the right side chambers of the heart, after left disk body 100 and right disk body 300 put in place, elastic return is discoid, and clamping cardiac septum fixes indwelling device.Waist 200 is through the defect place that heart is offered, and the rear port 301 of the front port 101 of left disk body 100, waist 200 inner chamber, right disk body 300 is through, makes hollow structure continue the passage forming abnormal path mutually.
Because indwelling device needs to adopt the mode got involved to be implanted in heart by conveyer device 600, first be to reduce the impact on human body in the mode got involved, therefore, need conveyer device 600 little as far as possible, especially conveyer device 600 diameter is little as far as possible, indwelling device needs to be positioned in conveyer device 600, and the diameter of the left disk body of indwelling device 100 and right disk body 300 is greater than the diameter of conveyer device 600, the left disk body 100 of such indwelling device and right disk body 300 need distortion to carry out the diameter of applicable conveyer device 600, after putting in place Deng conveying, indwelling device is released conveyer device 600, indwelling device self-expanding, reservation shape before left disk body 100 and right disk body 300 elastic return to distortion.
Indwelling device of the present invention adopts braided wires braiding to form, braided wires is selected to have good biocompatibility and the material with shape memory function is made, the tinsel that the memory alloy material with shape memory function is made can be selected, such as: nitinol alloy wire.Memorial alloy makes required shape through heat treatment, and this shape is: on waist 200 both sides of tubular with the left disk body 100 of plate-like and right disk body 300.Memorial alloy after heat treatment can reach super-elasticity and the memory performance of needs, and has good toughness and hardness, not yielding after inserting heart.The material that the indwelling device that the present invention adopts memorial alloy to make in addition implants heart is few, without the attachment of polyester fiber film, reduces the rejection of human body to polyester fiber film, has the advantages that safety is good.
During braiding indwelling device, the various pieces such as left disk body 100, right disk body 300 and waist 200 can be woven separately, again various piece woven or be welded together, also can directly all parts braiding be linked to be as a whole, in the present embodiment preferably, the integrative-structure that weaves for braided wires of described left disk body 100, right disk body 300 and waist 200.The hollow structure of the waist 200 of described indwelling device is the key of building abnormal passage, the braided wires of braiding indwelling device runs through waist 200 and both sides disk body, and in the indwelling device of integrative-structure, network structure has good overall seriality, have good toughness, safety is also better corresponding.According to the indwelling device size that will weave, indwelling device, braided wires size requires that performance is determined, the waist 200 of described indwelling device, for connecting left disk body 100 and these two hollow structures of right disk body 300, and waist 200 itself forms the hollow structure with certain diameter size, the diameter of the hollow structure of described waist 200 and braided wires material all constant time, closeer then its toughness of density of its braided wires is larger, and in the present invention, indwelling device has at least 73 one metal wire braidings to form.
As shown in Figure 1, 2, described left disk body 100, right disk body 300 are cylindrical fabric radial outstanding disk body forming smooth surface after pressurized.Left disk body 100, right disk body 300 only need the disk-like structure of a formation flat, do not need to limit their shape, these two disk bodies all without sharp corners, as long as smooth surface.Compare between left disk body 100, right disk body 300, the radial dimension size of the two is also not construed as limiting, can one large one little, also can left disk body 100, right disk body 300 radial dimension size identical.
As shown in Figure 1, 2, indwelling device is that axially preferably, described left disk body 100, right disk body 300, waist 200 are all about indwelling device axis structure axisymmetricly from front to back.The axially symmetric structure of left disk body 100, right disk body 300 can be disk, oval plate, also can be other axially symmetric structures.Left disk body 100, right disk body 300 and waist 200 axial symmetry are preferred versions, can also adopt unsymmetric structure.Within the scope of admissible diameter, as required the shape of the shape of left disk body 100 and right disk body 300 and position, waist 200 hollow structure is set arbitrarily, to be applicable to the foundation of multiple abnormal passage, further increase adaptability and effectiveness that indwelling device sets up heart abnormality path.
The position of described front port 101 and rear port 301 can be positioned at disk body center, also can eccentric setting, preferred front port 101 is positioned at the disk body center of left disk body 100, or/and described rear port 301 is positioned at the disk body center of right disk body 300, most preferably front port 101 and rear port 301 are all positioned at the center of disk body.
Waist 200 is the defect places being installed on cardiac septum, and in order to avoid bringing injury to defect place, waist 200 outside wall surface is smooth, in shape without corner angle.Preferably, described waist 200 is cylindrical shape, oval cylinder or frustum tubular, and frustum tubular is remove most advanced and sophisticated conically shaped.In the waist 200 of described frustum tubular, point diameter is greater than rear end diameter, namely from left disk body 100 to the right disk body 300 waist 200 diameter reduce gradually.
Waist 200 is played a supporting role, need suitable support force, described waist 200 is preferably double-deck network structure or multilamellar network structure, and elastic deformation can be there is in left disk body 100 and right disk body 300 requirement, then described left disk body 100 and right disk body 300 are monolayer network structure, left disk body 100 and right disk body 300 can be drawn into tubular structure, to reduce its radial diameter size.Waist 200 is preferably double-deck network structure, just can ensure the stability of waist 200 as support mechanical structure, have certain support force.The diameter of waist 200 hollow structure has certain scope, and need the situation according to the size and surrounding heart tissue thereof of setting up abnormal passage to select, its diameter generally can at 2mm ~ 10mm.
As shown in Figure 3,4, fixture 500 is provided with at indwelling device rear portion, fixture 500 has multiple effect: one is for being fixed braided wires end 501, and two is that damaged tissue is avoided in the end of wrapping up braided wires sharp-pointed, and three is form the connection with conveyer device 600 by braided wires end 501.Based on above-mentioned effect, the outer wall of described fixture 500 is smooth and without the curved surface of corner angle, it is inner that described braided wires end 501 is fixed on described fixture 500.The fixing mode in braided wires end 501 can have multiple, such as: welding, bonding, compression etc., the present invention is not construed as limiting.The shape of fixture 500 does not also make particular determination, only needs smooth surface without corner angle.
As shown in Figure 3,4, fixture 500 can be spherical, hemispherical, column, irregular shape etc.The magnitude setting of fixture 500 as required, owing to being connected with conveyer device 600, in order to more stable connection, needs at least two fixtures 500 to connect the balance keeping connecting.Preferably, fixture 500 described in the present embodiment arranges at least two in the rear of right disk body 300 correspondence, and between fixture 500, interval arranges and leaves the passage corresponding with rear port 301.Two fixtures 500 can be oppositely arranged when arranging two by fixture 500, when arranging multiple, arranged by fixture 500 around axis axial symmetry, and space between stationary piece 500 are corresponding with rear port 301, to form passage.In the axial direction, fixture 500 is relevant with braided wires end 501 length apart from the position of right disk body 300, braided wires end 501 length determines according to actual needs, can be put together in these braided wires ends 501 on the one hand and be fixed by fixture 500 together, on the other hand, determine with connecting filament 601 connection in conveyer device 600.
Braided wires beam splitting on described fixture 500 is fixed, and forms the perforation 502 of passing for seal wire between braided wires and fixture 500.502 Main Functions of boring a hole are: on the one hand, when carrying indwelling device, the connecting filament 601 of conveyer device 600 is connected with indwelling device by perforation 502 and is fixed, can not free easily, and angle between left disk body 100 and right disk body 300 can be regulated by this connection, indwelling device is organized with the surrounding myocardium setting up passage and better agrees with; On the other hand, the surface of fixture 500 is all smooth, can reduce the complication such as haemolysis.
Claims (10)
1. for setting up an indwelling device for heart abnormality passage, it is characterized in that, described indwelling device is the hollow network structure with shape memory of braided wires braiding, comprises the left disk body of plate-like and right disk body and waist; Entirety is connected into by waist between described left disk body and right disk body;
Described left disk body and right disk body are the elastic construction of elastically deformable, and described waist is the rigid structure supported;
The front end of described left disk body has front port, and the rear portion of described right disk body is provided with rear port, described front port, is formed through a passage between waist inner chamber and rear port;
Described right disk body rear portion converge bunchy being fixed by fixture for the braided wires end weaving right disk body.
2. the indwelling device for setting up heart abnormality passage according to claim 1, is characterized in that, described left disk body, right disk body and waist are the integrative-structure of braided wires braiding.
3. the indwelling device for setting up heart abnormality passage according to claim 1, is characterized in that, described left disk body, right disk body are cylindrical fabric radial outstanding disk body forming smooth surface after pressurized.
4. the indwelling device for setting up heart abnormality passage according to claim 3, is characterized in that, described left disk body, right disk body, waist are all about axis structure axisymmetricly.
5. the indwelling device for setting up heart abnormality passage according to claim 4, is characterized in that, described front port is positioned at the disk body center of left disk body, or/and described rear port is positioned at the disk body center of right disk body.
6. the indwelling device for setting up heart abnormality passage according to claim 4, is characterized in that, described waist is cylindrical shape, oval cylinder or frustum tubular, and in the waist of described frustum tubular, point diameter is greater than rear end diameter.
7. the indwelling device for setting up heart abnormality passage according to claim 1, is characterized in that, described waist is double-deck network structure or multilamellar network structure, and described left disk body and right disk body are monolayer network structure.
8. the indwelling device for setting up heart abnormality passage according to claim 1, is characterized in that, the outer wall of described fixture is smooth and without the curved surface of corner angle, described braided wires end winding support is inner at described fixture.
9. the indwelling device for setting up heart abnormality passage according to claim 8, is characterized in that, the braided wires beam splitting on described fixture is fixed, and forms the perforation of passing for seal wire between braided wires and fixture.
10. the indwelling device for setting up heart abnormality passage according to claim 8, is characterized in that, described fixture arranges at least two in the rear of right disk body correspondence, and between fixture, interval arranges and leaves the passage corresponding with rear port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410441057.5A CN104274262B (en) | 2014-09-01 | 2014-09-01 | For establishing the indwelling device of heart abnormality passage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410441057.5A CN104274262B (en) | 2014-09-01 | 2014-09-01 | For establishing the indwelling device of heart abnormality passage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104274262A true CN104274262A (en) | 2015-01-14 |
| CN104274262B CN104274262B (en) | 2018-01-16 |
Family
ID=52249943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410441057.5A Active CN104274262B (en) | 2014-09-01 | 2014-09-01 | For establishing the indwelling device of heart abnormality passage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104274262B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112220505A (en) * | 2014-09-09 | 2021-01-15 | 奥特鲁泰克控股有限公司 | Flow regulating device in heart |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2524712Y (en) * | 2002-01-08 | 2002-12-11 | 常州市智业医疗仪器研究所 | Cardiac tissue defect reparing rack |
| US20070043391A1 (en) * | 2003-08-22 | 2007-02-22 | Jen.Meditech Gmbh | Occlusion device and method of for its production |
| US20070244517A1 (en) * | 2006-03-31 | 2007-10-18 | Nmt Medical, Inc. | Deformable flap catch mechanism for occluder device |
| CN101449986A (en) * | 2007-11-28 | 2009-06-10 | 王涛 | Obturator of aorta ductus arteriosus |
| CN201510377U (en) * | 2009-09-18 | 2010-06-23 | 王涛 | Occluder with valve for congenital heart disease |
| CN101940501A (en) * | 2010-09-17 | 2011-01-12 | 蚌埠医学院附属医院 | Method for constructing congenital heart disease with diminutive pulmonary blood animal model |
| CN204072397U (en) * | 2014-09-01 | 2015-01-07 | 王垒 | For setting up the indwelling device of heart abnormality passage |
-
2014
- 2014-09-01 CN CN201410441057.5A patent/CN104274262B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2524712Y (en) * | 2002-01-08 | 2002-12-11 | 常州市智业医疗仪器研究所 | Cardiac tissue defect reparing rack |
| US20070043391A1 (en) * | 2003-08-22 | 2007-02-22 | Jen.Meditech Gmbh | Occlusion device and method of for its production |
| US20070244517A1 (en) * | 2006-03-31 | 2007-10-18 | Nmt Medical, Inc. | Deformable flap catch mechanism for occluder device |
| CN101449986A (en) * | 2007-11-28 | 2009-06-10 | 王涛 | Obturator of aorta ductus arteriosus |
| CN201510377U (en) * | 2009-09-18 | 2010-06-23 | 王涛 | Occluder with valve for congenital heart disease |
| CN101940501A (en) * | 2010-09-17 | 2011-01-12 | 蚌埠医学院附属医院 | Method for constructing congenital heart disease with diminutive pulmonary blood animal model |
| CN204072397U (en) * | 2014-09-01 | 2015-01-07 | 王垒 | For setting up the indwelling device of heart abnormality passage |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112220505A (en) * | 2014-09-09 | 2021-01-15 | 奥特鲁泰克控股有限公司 | Flow regulating device in heart |
| US11839526B2 (en) | 2014-09-09 | 2023-12-12 | Occlutech Gmbh | Flow regulating device in the heart |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104274262B (en) | 2018-01-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106466196B (en) | Split type left auricle plugging device | |
| CN208958225U (en) | A kind of occluder for left auricle for improving shape | |
| CN101933850B (en) | Stopper and manufacturing method thereof | |
| CN104797206B (en) | Connection assembly for medicine equipment | |
| JP2018198964A (en) | Geometric control of bending character in prosthetic heart valve leaflets | |
| CN105287048B (en) | Overlay film frame | |
| CN101351242A (en) | Method and instrument for filtrating embolus | |
| CN102961200B (en) | With the valve of pulmonary trunk membrane support of anchor mechanism | |
| CN203943701U (en) | A kind of novel dismountable induction system | |
| BR112016006071B1 (en) | ARTIFICIAL VASCULAR GRAFT AND METHOD FOR PRODUCTION OF AN ARTIFICIAL VASCULAR GRAFT | |
| CN201814682U (en) | Occluder | |
| CN204971418U (en) | A left auricle occluding device | |
| CN104398284A (en) | Novel left aurcle occluder and manufacturing method thereof | |
| CN106175867A (en) | A kind of occluder for left auricle and preparation method thereof | |
| CN205758778U (en) | A kind of intravascular stent being applicable to magnesium alloy | |
| JP2024522666A (en) | Left atrial appendage closure device | |
| CN204072397U (en) | For setting up the indwelling device of heart abnormality passage | |
| CN101642395A (en) | Ostomy bracket | |
| CN104274262A (en) | Retention device for constructing abnormal heart channel | |
| CN109350139A (en) | Implantable atrium part flow arrangement | |
| CN102961199B (en) | Prevent the valve of pulmonary trunk membrane support be shifted | |
| CN205072922U (en) | Damaged plugging device of heart membranous part of interventri cular septum | |
| CN107753068A (en) | Plugging device | |
| CN109381238A (en) | A kind of occluder for left auricle | |
| CN205072925U (en) | Heart atrial septal defect plugging device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230803 Address after: 430000 Wuhan Donghu New Technology Development Zone, Wuhan, Hubei Province, China Merchants, No. 16 Fozuling Third Road. Building 3, High tech Network Valley, No. 3, 3-3, 3-4, 3-5 (Free Trade Zone, Wuhan Area) Patentee after: WUHAN WEIKE MEDICAL TECHNOLOGY Co.,Ltd. Address before: 710003 No.69 xijuyuan lane, Lianhu District, Xi'an City, Shaanxi Province Patentee before: Wang Lei |