CN204542464U - A kind of support connects hanging head - Google Patents
A kind of support connects hanging head Download PDFInfo
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- CN204542464U CN204542464U CN201520109449.1U CN201520109449U CN204542464U CN 204542464 U CN204542464 U CN 204542464U CN 201520109449 U CN201520109449 U CN 201520109449U CN 204542464 U CN204542464 U CN 204542464U
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- head
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- hanging head
- detent
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Abstract
This utility model relate to a kind of support and connects hanging head, head is provided with at least two detents and the circular hole identical with detent quantity, detent and circular hole are spaced apart on the sidewall of head uniformly, circular hole is all communicated with the first through hole, the bottom center of detent is provided with projection, and projection is provided with the limiting component with reverse chamfering.The support that this utility model provides connects hanging head, mated with the hook of support by projection, when the quantity of detent is greater than two, still can simple fast valve bracket or other recoverable supports be loaded, and good positioning effect, can be recovered, reduce the difficulty in operation process and risk.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly relates to a kind of support and connects hanging head, relates more specifically to a kind of support for locating valve bracket or other recoverable supports and connects hanging head.
Background technology
Valve pathological changes is as stenosis of pulmonary artery, and pulmonary insufficiency, aortic stenosis, aortic insufficiency, mitral stenosis, all needs when mitral incompetence etc. are serious to change cardiac valve.Artificial valve has mechanical prosthetic valve and bioprosthetic valve two kinds.Because mechanical prosthetic valve exists unsurmountable shortcoming, as high in thromboembolism rate, the complication relevant with anticoagulant and the problem such as long-term surviving rate is low, the research of bioprosthetic valve never stopped.Blood flow type centered by bioprosthetic valve, has good hemodynamics performance, and most patient need not anticoagulant throughout one's life; Thromboembolism rate is low, and the complication relevant with valve is starkly lower than mechanical prosthetic valve.Therefore, although its life problems fails to obtain satisfied solution so far, bioprosthetic valve, in the status of clinical practice, still cannot substitute with mechanical prosthetic valve, and more and more come into one's own, and within more than 75 years old, old people becomes main receiver at present.
Traditional replacing valve method is surgical operation, but the patient that the patient of about 30-50% exists serious complication cannot accept surgical intervention.2002, Cribier etc. take the lead in having carried out through conduit aortic valve replacement (Transcatheter Aortic Valve Replacement, TAVR) and succeed, afterwards, the related equipment of inserting through conduit aortic valve and the research of technology come into one's own gradually.Apply maximum Edwards valve bracket systems mainly containing balloon-expandable and the CoreValve valve bracket system of self-inflated.Since conduit aortic valve replacement of hanging oneself device drops into Clinical practice, the whole world has completed TAVI and has surpassed 130,000 examples, in technology maturation areas such as America and Europes, TAVI has become conventional therapy means, and at some center, TAVI has accounted for 30% ~ 40% of all aortic valve replacements.TAVI at present also just in Asia, Australia, South America promotes rapidly.Partner research is verified: the surgical effect through conduit aortic valve obviously will be better than standard care; the high-risk patient of the severe aortic lobe pathological changes of surgical operation therapy can not be tolerated for those, similar to surgical operation through conduit valve implantation 1 year survival rate.
At present, Chinese patent discloses a kind of bracket fixing head, easy to use, and good positioning effect reduces operating difficulty, also achieves human implantable and reclaims.But, when the quantity of fixed groove is greater than two, when groove itself is without location restriction, when carrying out support and being loaded in induction system, by loading with regard to multiple fixing screens simultaneously, implemented great difficulty.
Therefore, for above deficiency, need to provide a kind of and can connect hanging head to the support that valve bracket or other recoverable supports are easily located in loading process.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is to provide a kind of support and connects hanging head, in solution prior art when the quantity of fixed groove is greater than two, is not easy filling to valve bracket or other recoverable supports the problem positioned during the course.
(2) technical scheme
In order to solve the problems of the technologies described above, this utility model provides a kind of support and connects hanging head, it is the tubular structure be integrally made up of head and afterbody that support connects hanging head, the external diameter of head is greater than afterbody, head and afterbody are respectively equipped with the first through hole and the second through hole, first through hole is coaxial with the second through hole and communicate, head is provided with at least two detents and the circular hole identical with detent quantity, detent and circular hole are spaced apart on the sidewall of head uniformly, circular hole is all communicated with the first through hole, the bottom center of detent is provided with projection, projection is provided with the limiting component with reverse chamfering.
Preferably, aforementioned brackets connection suspension head-tail is provided with two or more gap.
Preferably, the quantity of aforementioned detent is 2-6.
Preferably, the diameter of aforementioned circular hole is 0.5mm-2.0mm.
Preferably, the width of aforementioned gap is 0.5mm-2.0mm.
Preferably, the aperture of aforementioned first through hole is less than the second through hole.
Preferably, the aperture of aforementioned first through hole is 1.0mm-2.0mm, and the aperture of the second through hole is 2.0mm-4.0mm.
Preferably, the angle of aforementioned reverse chamfering is 30 °-60 °.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages:
This utility model provides a kind of support and connects hanging head, head is provided with at least two detents and the circular hole identical with detent quantity, detent and circular hole are spaced apart on the sidewall of head uniformly, circular hole is all communicated with the first through hole, the bottom center of detent is provided with projection, and projection is provided with the limiting component with reverse chamfering.
The support that this utility model provides connects hanging head, mated with the hook of support by projection, when the quantity of detent is greater than two, still can simple fast valve bracket or other recoverable supports be loaded, ensure to connect the fixing of hanging head to support by the circular hole of head, locating effect is strengthened.
In this utility model, projection is provided with the limiting component with reverse chamfering, is reclaimed, reduce the difficulty in operation process and risk when deviation appears in valve bracket or other recoverable supports location.
Accompanying drawing explanation
Fig. 1 is the structural representation that this utility model support connects hanging head;
Fig. 2 is the side view that this utility model support connects hanging head;
Fig. 3 is recyclable artificial valve's system schematic that application this utility model support connects hanging head;
Fig. 4 is the fixed structure schematic diagram that this utility model support connects hanging head;
Fig. 5 is the support being connected hanging head by this utility model support;
Fig. 6 is the schematic diagram that valve bracket is loaded on this utility model support connection hanging head;
Fig. 7 is the connection diagram that valve bracket is loaded on this utility model support connection hanging head;
Fig. 8 is the fundamental diagram of recyclable artificial valve's system;
Fig. 9 is the valve bracket release of recyclable artificial valve's system or reclaims schematic diagram.
In figure: 100: support connects hanging head; 101a: the first detent; 101b: the second detent; 102a: the first is protruding; 102b: the second is protruding; 103: circular hole; 104: gap; 105: afterbody; 106: the first through holes; 107: the second through holes; 108: head; 200: valve bracket; 201: hook; 202: support body; 300: recyclable artificial valve's system; 301: most advanced and sophisticated soft head; 302: pipe in seal wire; 303: push rod; 304: load sheath; 305: support sheath; 306: handle.
Detailed description of the invention
For making the object of this utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of this utility model protection.
As shown in Figure 1-2, a kind of support that this utility model embodiment provides connects hanging head 100, it is the tubular structure be integrally made up of head 108 and afterbody 105 that support connects hanging head 100, the external diameter of head 108 is greater than afterbody 105, head 108 and afterbody 105 are respectively equipped with the first through hole 106 and the second through hole 107, first through hole 106 is coaxial with the second through hole 107 and communicate, the aperture of the first through hole 106 is less than the second through hole 107, the aperture of the first through hole 106 is 1.0mm-2.0mm, and the aperture of the second through hole 107 is 2.0mm-4.0mm.
Head 108 is provided with at least two detents, and the quantity of detent is 2-6.Head 108 is also provided with the circular hole 103 identical with detent quantity, and the diameter of circular hole 103 is 0.5mm-2.0mm.Detent and circular hole 103 are spaced apart on the sidewall of head 108 uniformly, circular hole 103 is all communicated with the first through hole 106, the bottom center of detent is provided with projection, and projection is provided with the limiting component with reverse chamfering, and the angle of reverse chamfering is 30 °-60 °.
Support connects hanging head 100 afterbody 105 and is provided with two or more gap 104, and gap 104 is rectangle gap, and the width of gap 104 is 0.5mm-2.0mm, and this gap is used for connecting between hanging head 100 and push rod 303 to support smearing fixing coating.
In the present embodiment, detent, protruding quantity is two, detent comprises the first detent 101a and the second detent 101b, projection comprises the first protruding 102a and the second protruding 102b, first detent 101a and the second detent 101b are connected the axisymmetrical of hanging head 100 about support, as shown in Figure 2, the right side of the first protruding 102a and the second protruding 102b is rounding, the left side of the first protruding 102a and the second protruding 102b is the limiting component with reverse chamfering, for the limiting component of valve bracket or other recoverable supports, and oppositely the angle of chamfering is 30 °-60 °, the vertical height of reverse chamfering is greater than the thickness of valve bracket 200, in the present embodiment, two circular holes 103 are coaxial and all vertical with the second protruding 102b with the first protruding 102a, and the diameter of circular hole 103 is
hanging head 100 is connected for fixed support.
The support that the present embodiment provides connects hanging head 100 and is applied in recyclable artificial valve's system 300, be illustrated in figure 3 the recyclable artificial valve's system 300 through conduit conveying, comprise most advanced and sophisticated soft 301, pipe 302 in seal wire, push rod 303, support connects hanging head 100, loads sheath 304, supports sheath 305 and handle 306.
Wherein, the head end of pipe 302 in seal wire is fixed at soft 301, tip; In seal wire, pipe 302 is fixed on the inside of push rod 303; Support connects hanging head 100 and is fixed on push rod 303 head end; Push rod 303 is positioned at loads sheath 304 inside, is finally fixed on handle 306; Load sheath 304 to be positioned at push rod 303 outside, to support sheath 305 inside, and be fixed on handle 306, support sheath 305 and be positioned at support sheath 304 outside, and be fixed on handle 306, by operating grip 306, load sheath 304 and move around between push rod 303 and support sheath 305.
As shown in Figure 4, the concrete grammar that support connection hanging head 100 is fixed in recyclable artificial valve's system 300 is, push rod 303 is inserted in the second through hole 107, with glue, support being connected hanging head 100 is fixed in push rod 303, then with pin by circular hole 103 again fixed support connect hanging head 100, at gap 104 position spreading glue fixed support connection hanging head 100 again, finally pipe in seal wire 302 is inserted in push rod 303 by the first through hole 106, and is adhesively fixed.By the cooperation between circular hole 103, first through hole 106, second through hole 107, gap 104 and binding agent in the present embodiment, support can be connected firm the fixing of hanging head 100, ensure that support connects the reliability in hanging head 100 use procedure.
In use procedure, support connects hanging head 100 for locating valve bracket 200, and valve bracket 200 as shown in Figure 5, comprises hook 201 and support body 202 two parts.Valve bracket 200 is positioned support and connects on the groove 101 and protruding 102 of hanging head 100 after pressure is held by hook 201, its structure as Figure 6-Figure 7.
The work process that the support connection hanging head that this utility model embodiment provides is applied in recyclable artificial valve's system is as follows:
S1, first by handle 306, loading sheath 304 to be exited from pipe in seal wire 302, and support is connected hanging head 100 and come out; Valve bracket 200 is held frock by pressure to be suspended on the groove 101 and protruding 102 of support connection hanging head 100 by hook 201, sheath 304 pushed forward will be loaded by handle 306, load in sheath 304 until valve bracket 200 is loaded into completely, load complete recyclable artificial valve's system as shown in Figure 8.
Loading sheath 304 moves by S2, slowly rotary handle 306 backward, is little by little discharged by valve bracket 200, and recyclable artificial valve's system of release valve bracket 200 as shown in Figure 9.
If valve bracket 200 accurate positioning, then continue to rotate until loading sheath 304 is moved to support to connect hanging head 100 position, valve bracket 200 is discharged completely; If when valve bracket discharges 1/3-2/3 position, valve bracket 200 is located on the low side or higher, need again to position valve bracket 200, because support connects the limiting component that hanging head 100 is designed with instead angle, valve bracket 200 cannot out, at this moment reversely rotate the handle 306 of induction system 300, loading sheath 304 is moved forward by automatic expansion from loading sheath 304, load in sheath 304 until valve bracket 200 is taken in completely, again reorientate and carry out release valve bracket 200.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail this utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of this utility model.
Claims (8)
1. a support connects hanging head, it is the tubular structure be integrally made up of head and afterbody that described support connects hanging head, the external diameter of described head is greater than afterbody, described head and afterbody are respectively equipped with the first through hole and the second through hole, described first through hole is coaxial with the second through hole and communicate, it is characterized in that: described head is provided with at least two detents and the circular hole identical with described detent quantity, described detent and circular hole are spaced apart on the sidewall of described head uniformly, described circular hole is all communicated with described first through hole, the bottom center of described detent is provided with projection, described projection is provided with the limiting component with reverse chamfering.
2. support according to claim 1 connects hanging head, it is characterized in that: described support connection suspension head-tail is provided with two or more gap.
3. support according to claim 1 connects hanging head, it is characterized in that: the quantity of described detent is 2-6.
4. support according to claim 1 connects hanging head, it is characterized in that: the diameter of described circular hole is 0.5mm-2.0mm.
5. support according to claim 2 connects hanging head, it is characterized in that: the width of described gap is 0.5mm-2.0mm.
6. support according to claim 1 connects hanging head, it is characterized in that: the aperture of described first through hole is less than described second through hole.
7. support according to claim 6 connects hanging head, and it is characterized in that: the aperture of described first through hole is 1.0mm-2.0mm, the aperture of described second through hole is 2.0mm-4.0mm.
8. support according to claim 1 connects hanging head, it is characterized in that: the angle of described reverse chamfering is 30 °-60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520109449.1U CN204542464U (en) | 2015-02-13 | 2015-02-13 | A kind of support connects hanging head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520109449.1U CN204542464U (en) | 2015-02-13 | 2015-02-13 | A kind of support connects hanging head |
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| Publication Number | Publication Date |
|---|---|
| CN204542464U true CN204542464U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520109449.1U Active CN204542464U (en) | 2015-02-13 | 2015-02-13 | A kind of support connects hanging head |
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| CN (1) | CN204542464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108245290A (en) * | 2016-12-29 | 2018-07-06 | 先健科技(深圳)有限公司 | Transport system |
-
2015
- 2015-02-13 CN CN201520109449.1U patent/CN204542464U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108245290A (en) * | 2016-12-29 | 2018-07-06 | 先健科技(深圳)有限公司 | Transport system |
| CN108245290B (en) * | 2016-12-29 | 2024-05-31 | 先健科技(深圳)有限公司 | Conveying system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191217 Address after: 518000 A101, 2f and 4f, building 9, baiwangxin Industrial Zone, Songbai Road, Xili street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Lepu (Shenzhen) International Development Center Co., Ltd. Address before: 102200, Beijing Changping District science and Technology Park, super Road, No. 7, building 37 Patentee before: Lepu (Beijing) Medical Devices Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210422 Address after: 102200 Beijing, Changping District super Road, building No. 37, No. 7 Patentee after: Lepu Medical Technology (Beijing) Co.,Ltd. Address before: 518000 A101, 2f and 4f, building 9, baiwangxin Industrial Zone, Songbai Road, Xili street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Lepu (Shenzhen) International Development Center Co.,Ltd. |
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| TR01 | Transfer of patent right |