CN202776633U - Heart occluder - Google Patents
Heart occluder Download PDFInfo
- Publication number
- CN202776633U CN202776633U CN 201220371846 CN201220371846U CN202776633U CN 202776633 U CN202776633 U CN 202776633U CN 201220371846 CN201220371846 CN 201220371846 CN 201220371846 U CN201220371846 U CN 201220371846U CN 202776633 U CN202776633 U CN 202776633U
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- heart
- heart occluder
- support frame
- disk
- occluder
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Abstract
The utility model discloses a heart occluder which is applied in the medical appliance field and comprises a supporting framework and an occluding membrane. The supporting framework comprises a head disc, a tail disc and a waist portion located between the head disc and the tail disc. The occluding membrane is arranged in the supporting framework, and an axial through hole penetrating through the tail disc and the head disc is arranged on the heart occluder. The heart occluder has the advantages that the heart occluder can moderately increase capacity of a left ventricle by transferring pressure of a left atrium and a right atrium through the axial through hole, improves the left ventricular function of a patient after the heart occluder is implanted in the patient, and can prevent the patient from having left ventricular dysfunction. Simultaneously, right ventricular pressure load of the patient when pulmonary artery pressure cannot be lowered to the normal value can be relieved through the axial through hole.
Description
Technical field
This utility model relates to a kind of heart occluder for medical instruments field.
Background technology
Heart septal defect is a kind of common congenital heart disease, and the mechanism of pathological changes is that normally closed is failed at the interval between left and right ventricles or the left atrium.Healthy people, the blood pressure of its left heart is higher than the blood pressure of the right heart.Patients with congenital heart causes the burden of its heart to increase because normally closed is failed at the interval between left and right ventricles or the left atrium, and its pulmonary circulatory blood volume increases, and finally can cause pulmonary hypertension, arrhythmia and heart failure.Generally adopt at present the heart shutoff, shutoff heart defect position.If after adopting common ductus arteriosus occluder heart defect position, might cause the left pulmonary artery high pressure.
Common heart occluder is dual disc, and namely the support frame of this heart occluder comprises head disk, afterbody disk and the waist between described head disk and described afterbody disk.This heart occluder is to existing septal defect and with the severe pulmonary hypertension, namely the patient of pulmonary arterial systolic pressure 〉=60mmHg has great application risk between left atrium.Adopt between such patient's left and right ventricles of common heart occluder shutoff, perhaps during the septal defect between left atrium.The blood levels shunting of patient's left atrium, thus cause the pulmonary vascular pressure of patient to continue to increase, right ventricle blood continues to pour in, and right ventricle bears the dual load of pressure and capacity.Left ventricle causes the blood engorgement amount to reduce because of pressurized, thereby the stroke volume reduction causes heart failure.
The utility model content
The purpose of this utility model is in order to overcome the deficiencies in the prior art, a kind of heart occluder is provided, and it can solve with severe pulmonary hypertension patient after using heart occluder, and right ventricle blood continues to pour in, the left ventricle pressurized reduces the blood engorgement amount, thereby causes the technical problem of heart failure.
A kind of technical scheme that realizes above-mentioned purpose is: a kind of heart occluder, comprise support frame and plugging film, described support frame comprises head disk, afterbody disk, and the waist between described head disk and described afterbody disk, described plugging film is built in the described support frame, and described support frame is provided with the axially extending bore that runs through described afterbody disk and described head disk.
Further, described support frame is become by the marmem metal wire knitted.
Further, described marmem tinsel is nitinol alloy wire.
Further, the center of described head disk and described afterbody disk is respectively equipped with head metallic sheath and afterbody metallic sheath.
Further, the bottom of described afterbody metallic sheath has screwed hole.
Further, described head metallic sheath and described afterbody metallic sheath are all made by rustless steel.
Further, described plugging film is made by polyester fiber.
Further, described plugging film is fixed on the described support frame by stitching thread.
Adopted the technical scheme of a kind of heart occluder of the present utility model, namely described support frame is provided with the technical scheme of the axially extending bore that runs through described afterbody disk and described head disk.Its technique effect is: this heart occluder can be by the pressure between described axially extending bore transmission left atrium and the right atrium, moderately increase the capacity of left ventricle, improve the left heart function of patient after heart occluder is implanted, and left heart insufficiency appears in the prevention patient, by described axially extending bore, the right heart pressure of reduction of patient when pulmonary artery pressure can not drop to normal value fully loaded simultaneously.
Description of drawings
Fig. 1 is the main TV structure sketch map of a kind of heart occluder of the present utility model.
Fig. 2 is the top view of the first embodiment of a kind of heart occluder of the present utility model.
Fig. 3 is the upward view of the second embodiment of a kind of heart occluder of the present utility model.
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The specific embodiment
See also Fig. 1 to Fig. 3, inventor of the present utility model be in order to understand the technical solution of the utility model better, below by embodiment particularly, and is described in detail by reference to the accompanying drawings:
The first embodiment;
See also Fig. 1 to Fig. 2, a kind of heart occluder of the present utility model comprises support frame 1 and plugging film 3.Described support frame 1 comprises head disk 11, afterbody disk 12, and the waist 13 between described head disk 11 and described afterbody disk 12.Like this, the longitudinal cross-section of described support frame 1 just is " worker " font.Described support frame 1 inside is hollow cavity, and described plugging film 3 is built in the described hollow cavity.Described support frame 1 is become by the marmem metal wire knitted.Like this, heart occluder is recovered rapidly original shape after can and discharging in the defect that is transferred to patient's heart by transmitting device, finishes shutoff in the defect of heart.For considering of Biocompatibility and mechanical property, selected the Ti-Ni alloy silk to weave described support frame 1 in the present embodiment.
In the present embodiment, on described support frame 1, the center of described head disk 11 and described afterbody disk 12 is respectively equipped with head metallic sheath 21 and afterbody metallic sheath 22, is used for fixing the structure of described support frame 1.Wherein, the bottom of described afterbody metallic sheath 22 has screwed hole 221, so that operator carry out clamping to described heart occluder.In the present embodiment, described head metallic sheath 21 and described afterbody metallic sheath 22 are to be made by the rustless steel with good biocompatibility.It is preferably 316L type rustless steel.
Described plugging film 3 is to be made by polyester fiber; Adopting polyester fiber to be on the one hand because its good biocompatibility, in addition on the one hand, is because its good swelling behavior, and it finishes rapidly shutoff to the patient's heart defect by swelling.Simultaneously, described plugging film 3 is to adopt suture to make to be fixed on the support frame 1.In the present embodiment, described plugging film 3 is made respectively fixing with head disk 11, waist 13 and the afterbody disk 12 of described support frame 1.
In the present embodiment, maximum improvement is that described support frame 1 is provided with an axially extending bore 4 that runs through described afterbody disk 12 and described head disk 11.Described axially extending bore 4 be shaped as circle, also can be square, triangle, hexagon, and other shape.
The purpose that described axially extending bore 4 is set is: this heart occluder can be by the pressure between described axially extending bore 4 transmission left atriums and the right atrium, moderately increase the capacity of left ventricle, improve the left heart function of patient after heart occluder is implanted, and left heart insufficiency appears in the prevention patient.By described axially extending bore 4, the right heart pressure of reduction of patient when pulmonary artery pressure can not drop to normal value fully loaded simultaneously.The patient can consider again left axially extending bore 4 on the described support frame 1 of transcatheter along with cardio-pulmonary function is stable after implanting this heart occluder.
This heart occluder has been optimized structural design, the head disk 11 at the two ends of support frame 1 and 12 surfacings of afterbody disk, and has good elasticity, after this heart occluder is drawn in conveyer device and is again discharged, recovery of shape is good, safe and reliable risk is little, has guaranteed again the shutoff for the heart defect position simultaneously.
The second embodiment:
The unique different difference that are described axially extending bore 4 quantity and shape of present embodiment and the first embodiment, in the present embodiment, described support frame 1 is provided with two axially extending bores 4 that run through described afterbody disk 12 and described head disk 11.Described axially extending bore 4 be shaped as ellipse.
The purpose that described axially extending bore 4 is set is: this heart occluder can be by the pressure between described axially extending bore 4 transmission left atriums and the right atrium, moderately increase the capacity of left ventricle, improve the left heart function of patient after heart occluder is implanted, and left heart insufficiency appears in the prevention patient, by described axially extending bore 4, the right heart pressure of reduction of patient when pulmonary artery pressure can not drop to normal value fully loaded simultaneously.The patient can consider again left axially extending bore 4 on the described support frame 1 of transcatheter along with cardio-pulmonary function is stable after implanting this heart occluder.
Can find out from above-described embodiment, by at described support frame 1 axially extending bore 4 that runs through described afterbody disk 12 and described head disk 11 being set, heart occluder can be transmitted the pressure between left atrium and the right atrium, moderately increase the capacity of left ventricle, improve the left heart function of patient after heart occluder is implanted, and left heart insufficiency appears in the prevention patient, by described axially extending bore 4, the right heart pressure of reduction of patient when pulmonary artery pressure can not drop to normal value fully loaded simultaneously.Its technique effect is only own relevant with axially extending bore 4, and irrelevant with shape and the quantity of axially extending bore 4.
Those of ordinary skill in the art will be appreciated that, above embodiment illustrates this utility model, and be not to be used as restriction of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (8)
1. heart occluder, comprise support frame (1) and plugging film (3), described support frame (1) comprises head disk (11), afterbody disk (12), and be positioned at waist (13) between described head disk (11) and the described afterbody disk (12), described plugging film (3) is built in the described support frame (1), it is characterized in that: described support frame (1) is provided with the axially extending bore (4) that runs through described afterbody disk (12) and described head disk (11).
2. a kind of heart occluder according to claim 1, it is characterized in that: described support frame (1) is become by the marmem metal wire knitted.
3. a kind of heart occluder according to claim 2, it is characterized in that: described marmem tinsel is nitinol alloy wire.
4. according to claim 1 and 2 or 3 described a kind of heart occluder, it is characterized in that: the center of described head disk (11) and described afterbody disk (12) is respectively equipped with head metallic sheath (21) and afterbody metallic sheath (22).
5. a kind of heart occluder according to claim 4, it is characterized in that: the bottom of described afterbody metallic sheath (22) has screwed hole (221).
6. a kind of heart occluder according to claim 4, it is characterized in that: described head metallic sheath (21) and described afterbody metallic sheath (22) are all made by rustless steel.
7. according to claim 1 and 2 or 3 described a kind of heart occluder, it is characterized in that: described plugging film (3) is made by polyester fiber.
8. according to claim 1 and 2 or 3 described a kind of heart occluder, it is characterized in that: described plugging film (3) is fixed on the described support frame (1) by stitching thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220371846 CN202776633U (en) | 2012-07-30 | 2012-07-30 | Heart occluder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220371846 CN202776633U (en) | 2012-07-30 | 2012-07-30 | Heart occluder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202776633U true CN202776633U (en) | 2013-03-13 |
Family
ID=47803991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220371846 Expired - Lifetime CN202776633U (en) | 2012-07-30 | 2012-07-30 | Heart occluder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202776633U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104224246A (en) * | 2014-05-05 | 2014-12-24 | 尚小珂 | ASD (atrial septal defect) reserved-hole occluder |
| CN111936046A (en) * | 2018-03-23 | 2020-11-13 | 美敦力公司 | VFA cardiac therapy for tachycardia |
| CN113288243A (en) * | 2021-07-26 | 2021-08-24 | 中国医学科学院阜外医院 | Atrial septal defect plugging device |
-
2012
- 2012-07-30 CN CN 201220371846 patent/CN202776633U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104224246A (en) * | 2014-05-05 | 2014-12-24 | 尚小珂 | ASD (atrial septal defect) reserved-hole occluder |
| CN104224246B (en) * | 2014-05-05 | 2017-04-12 | 尚小珂 | ASD (atrial septal defect) reserved-hole occluder |
| CN111936046A (en) * | 2018-03-23 | 2020-11-13 | 美敦力公司 | VFA cardiac therapy for tachycardia |
| CN113288243A (en) * | 2021-07-26 | 2021-08-24 | 中国医学科学院阜外医院 | Atrial septal defect plugging device |
| CN113288243B (en) * | 2021-07-26 | 2021-10-01 | 中国医学科学院阜外医院 | Atrial septal defect plugging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |