CN208405516U - A kind of outlet connecting mechanism of artificial blood pump - Google Patents
A kind of outlet connecting mechanism of artificial blood pump Download PDFInfo
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- CN208405516U CN208405516U CN201721424155.3U CN201721424155U CN208405516U CN 208405516 U CN208405516 U CN 208405516U CN 201721424155 U CN201721424155 U CN 201721424155U CN 208405516 U CN208405516 U CN 208405516U
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- artificial blood
- blood vessel
- blood pump
- casing
- tapering
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Abstract
The utility model provides a kind of outlet connecting mechanism of artificial blood pump, including first part and second part, the first part includes artificial blood pump and the blood pump outlet transfer part connecting with the artificial blood pump, the second part includes artificial blood vessel, the artificial blood vessel's casing connecting with the artificial blood vessel and retaining ring, the retaining ring is arranged on artificial blood vessel's casing, the retaining ring and artificial blood vessel's casing be axial restraint, it is circumferential be flexibly connected, the retaining ring is connected through a screw thread with the blood pump outlet transfer part.The beneficial effects of the utility model are: avoiding the use of bolt, operation is more convenient, and operation difficulty is lower, and connection structure is simple, reliable.
Description
Technical field
The utility model relates to medical instrument more particularly to a kind of outlet connecting mechanisms of artificial blood pump.
Background technique
Artificial blood pump is that one kind is connected between ventricle and blood vessel, for assisting with serious ventricular function deficiency or heart
Failure patients are to provide a kind of device of certain blood flow and blood pressure.Artificial blood pump outlet passes through artificial blood vessel and the main blood of human body
Pipe is connected, and has very high requirement for the mode that blood pump is connect with artificial blood vessel: not only guaranteeing the leakproofness of junction,
Guarantee the smoothness of blood channel with it is smooth, avoid generation haemolysis and the problems such as thrombus.In addition the pressure of blood pump outlet is higher, even
Connection mechanism needs to meet the pressure requirements.
Meanwhile in order to shorten Implantation Time, procedure efficiency is improved, it is ensured that the rapidity of connection and simple operability.
Therefore, bindiny mechanism should be simple and reliable, and number of parts should be lacked as far as possible, reduces the probability for operation of making a fault.
Existing artificial blood pump outlet connection type is covered artificial blood vessel outside blood pump outlet, then with card
Artificial blood vessel is stuck in blood pump outlet by ring, and blending bolt locks snap ring.This bindiny mechanism needs to process the bolt of adaptation,
And bolt very little, bolt is penetrated in the hole of snap ring in the course of surgery, then tightens bolt, it is not very convenient to operate；
Meanwhile bolt is likely due to the fault of operator in operation and falls to thoracic cavity separately as a component, increases
Add the difficulty of operation.
Summary of the invention
In order to solve the problems in the prior art, the utility model provides a kind of outlet connecting mechanism of artificial blood pump.
The utility model provides a kind of outlet connecting mechanism of artificial blood pump, including first part and second part, institute
Stating first part includes artificial blood pump and the blood pump outlet transfer part connecting with the artificial blood pump, and the second part includes people
Work blood vessel, the artificial blood vessel's casing connecting with the artificial blood vessel and retaining ring, the retaining ring are arranged in the artificial blood vessel
On casing, the retaining ring and artificial blood vessel's casing be axial restraint, it is circumferential is flexibly connected, the retaining ring and the blood
Pump discharge adapter is connected through a screw thread.
Artificial blood vessel's casing is equipped with positioning pin, the blood pump outlet as a further improvement of the utility model,
Adapter is equipped with the location hole matched with the positioning pin.
The location hole at least two and around the blood pump outlet transfer part as a further improvement of the utility model,
Circumferentially-spaced be uniformly arranged.
The lateral surface of the end of the artificial blood vessel is equipped with the first tapering, institute as a further improvement of the utility model,
The medial surface for stating the end of artificial blood vessel's casing is equipped with the second tapering, and first tapering fits with second tapering.
The medial surface of the end of the artificial blood vessel is equipped with the first tapering, institute as a further improvement of the utility model,
The lateral surface for stating the end of artificial blood vessel's casing is equipped with the second tapering, and first tapering fits with second tapering.
The artificial blood vessel is arranged with the place of docking of artificial blood vessel's casing as a further improvement of the utility model,
Have artificial blood vessel's fixing sleeve, the lateral surface of artificial blood vessel's casing is equipped with annular protrusion, the annular protrusion with it is described
The medial surface compression fit of artificial blood vessel's fixing sleeve.
It is arranged with artificial blood vessel's protective cover outside artificial blood vessel's fixing sleeve as a further improvement of the utility model,
The artificial blood vessel protects outer sleeve to be equipped with clip.
The retaining ring is equipped with internal screw thread, the blood pump outlet transfer part as a further improvement of the utility model,
It is equipped with the external screw thread matched with the internal screw thread.
The beneficial effects of the utility model are: through the above scheme, avoiding the use of bolt, more convenient, behaviour is operated
It is lower to make difficulty, connection structure is simple, reliable.
Detailed description of the invention
Fig. 1 is a kind of decomposition diagram of the outlet connecting mechanism of artificial blood pump of the utility model.
Fig. 2 is a kind of assembling schematic diagram of the retaining ring of the outlet connecting mechanism of artificial blood pump of the utility model.
Fig. 3 is a kind of assembling schematic diagram of the second part of the outlet connecting mechanism of artificial blood pump of the utility model.
Fig. 4 is a kind of diagrammatic cross-section of the second part of the outlet connecting mechanism of artificial blood pump of the utility model.
Fig. 5 is a kind of cone match schematic diagram of the outlet connecting mechanism of artificial blood pump of the utility model.
Specific embodiment
The utility model is described in further detail for explanation and specific embodiment with reference to the accompanying drawing.
As shown in Figures 1 to 5, a kind of outlet connecting mechanism of artificial blood pump, including first part 101 and second part
102, the first part 101 includes artificial blood pump 1 and the blood pump outlet transfer part 2 that connect with the artificial blood pump 1, and described the
Two parts 102 include artificial blood vessel 6, the artificial blood vessel's casing 7 connecting with the artificial blood vessel 6 and retaining ring 3, the retaining ring
3 are arranged on artificial blood vessel's casing 7, and the retaining ring 3 is axial restraint, circumferential activity with artificial blood vessel's casing 7
Connection, i.e., the described retaining ring 3 can be rotated around artificial blood vessel's casing 7, the retaining ring 3 and the blood pump outlet transfer part
2 are connected through a screw thread.
As shown in Figures 1 to 5, before carrying out artificial blood pump implantation, artificial blood pump 1 and blood pump outlet transfer part 2 pass through
The mode of being bonded or welded is allowed to form an entirety.
As shown in Figures 1 to 5, artificial blood vessel's casing 7 is equipped with positioning pin 71, on the blood pump outlet transfer part 2
Equipped with the location hole 21 matched with the positioning pin 71.
As shown in Figures 1 to 5, the location hole 21 at least two and between the circumferential direction of the blood pump outlet transfer part 2
Every being uniformly arranged.It when blood pump outlet transfer part 2 is connect with artificial blood vessel's casing 7, is positioned, prevents artificial blood vessel 6 from revolving
Turn and distorts.Fig. 2 is the location structure of the bindiny mechanism.In Fig. 2, there are multiple location holes 21 on blood pump outlet transfer part 2, it can
It is matched with a positioning pin 71 on the right side of artificial blood vessel's casing 7, plays the role of positioning, prevent when tightening retaining ring 3,
The rotation of artificial blood vessel's casing 7 (prevents artificial blood vessel 6 from rotating)；It, can meanwhile by the cooperation of positioning pin 71 and different location holes 21
To adjust the position of blood pump.
As shown in Figures 1 to 5, the lateral surface of the end of the artificial blood vessel 6 is equipped with the first tapering 61, the artificial blood vessel
The medial surface of the end of casing 7 is equipped with the second tapering 73, and first tapering 61 fits with second tapering 73.Or it adopts
The first tapering, the end of artificial blood vessel's casing 7 are equipped with another inverse structure: the medial surface of the end of the artificial blood vessel 6
The lateral surface in portion is equipped with the second tapering, and first tapering fits with second tapering.It is adopted in the part of pipeline connection
Thrombosed risk is reduced so that caliber is not mutated with the conical surface；The mating surface of pipeline also uses cone match, leakproofness
More preferably, while convenient for assembly.
As shown in Figures 1 to 5, the artificial blood vessel 6 is arranged with artificial blood vessel with the place of docking of artificial blood vessel's casing 7
Fixing sleeve 8, the lateral surface of artificial blood vessel's casing 7 are equipped with annular protrusion 73, the annular protrusion 73 with it is described artificial
The medial surface compression fit of blood vessel fixing sleeve 8.
As shown in Figures 1 to 5, artificial blood vessel's protective cover 5, the artificial blood are arranged with outside artificial blood vessel's fixing sleeve 8
Clip 4 is arranged with outside protection of pipe cover 5.
As shown in Figures 1 to 5, the retaining ring 3 is equipped with internal screw thread, and the blood pump outlet transfer part 2 is equipped with and institute
State the external screw thread that internal screw thread matches.
A kind of outlet connecting mechanism of artificial blood pump provided by the utility model, assembling process are as follows:
S1, artificial blood pump 1 and blood pump outlet transfer part 2 are assembled into first part 101, by artificial blood vessel 6, artificial blood vessel
Casing 7 and retaining ring 3 are assembled into second part 102, and retaining ring 3 is mounted on artificial blood vessel's casing 7, make retaining ring 3 can be with
It is rotated relative to artificial vessel cannula 7, artificial blood vessel 6, artificial blood vessel's casing 7 is docked；
S2, the positioning pin 71 of artificial blood vessel's casing 7 is inserted into the location hole 21 of blood pump outlet transfer part 2, rotation locking
Ring 3 is threadably secured retaining ring 3 with blood pump outlet transfer part 2 and connect.
The assembling process of second part 102 are as follows:
A, by 3 sets of retaining ring on artificial blood vessel's casing 7, rotate retaining ring 3 relative to artificial vessel cannula 7, it will
Artificial blood vessel 6, artificial blood vessel's casing 7 dock；
B, artificial blood vessel's fixing sleeve 8 is inserted on the outside of artificial blood vessel 6, make artificial blood vessel's fixing sleeve 8 be located at artificial blood vessel 6,
At the docking of artificial blood vessel's casing 7, artificial blood vessel's fixing sleeve 8 is fixed on by dot riveting (riveting location is as shown in Figure 3)
On artificial blood vessel's casing 7；
C, by 5 sets of artificial blood vessel's protective cover on artificial blood vessel's fixing sleeve 8, by 4 sets of clip in artificial blood vessel's protective cover 5
On.
A kind of outlet connecting mechanism of artificial blood pump provided by the utility model, has the advantage that
1. connection is reliable, good airproof performance.For the artificial blood pump outlet connecting mechanism using being threadedly coupled, connection is reliable；Connection
Position uses the conical surface, good airproof performance.
2. structure is simple, easy to operate, operating time is reduced.All parts of the bindiny mechanism are integrated together,
The not attachmentes such as external bolt, so that total is simpler；It in the course of surgery only need to be by the retaining ring of artificial blood vessel 6
3 sets, in blood pump outlet transfer part 2, then rotate and tighten, easily operated, and the time is very short.
3. connecting adjustable angle, artificial blood vessel is avoided to distort.The bindiny mechanism is (or more using a positioning pin 71 and six
It is a) location hole 21 arbitrarily cooperate, convenient for when carrying out artificial blood pump implant surgery adjustment blood pump implant angle, avoid artificial blood
The phenomenon that pipe distorts.
4. blood compatibility is good.The position of bindiny mechanism's caliber change is all made of conical surface transition, so that flow to smoothly,
It avoids generating haemolysis and thrombus.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (8)
1. a kind of outlet connecting mechanism of artificial blood pump, it is characterised in that: including first part and second part, described first
Point including artificial blood pump and the blood pump outlet transfer part that is connect with the artificial blood pump, the second part include artificial blood vessel,
The artificial blood vessel's casing and retaining ring connecting with the artificial blood vessel, the retaining ring are arranged on artificial blood vessel's casing,
The retaining ring and artificial blood vessel's casing be axial restraint, it is circumferential is flexibly connected, the retaining ring and blood pump outlet
Adapter is connected through a screw thread.
2. the outlet connecting mechanism of artificial blood pump according to claim 1, it is characterised in that: on artificial blood vessel's casing
Equipped with positioning pin, the blood pump outlet transfer part is equipped with the location hole matched with the positioning pin.
3. the outlet connecting mechanism of artificial blood pump according to claim 2, it is characterised in that: the location hole at least two
It is a and be uniformly arranged around the circumferentially-spaced of blood pump outlet transfer part.
4. the outlet connecting mechanism of artificial blood pump according to claim 1, it is characterised in that: the end of the artificial blood vessel
Lateral surface be equipped with the first tapering, the medial surface of the end of artificial blood vessel's casing is equipped with the second tapering, first tapering
It fits with second tapering.
5. the outlet connecting mechanism of artificial blood pump according to claim 1, it is characterised in that: the end of the artificial blood vessel
Medial surface be equipped with the first tapering, the lateral surface of the end of artificial blood vessel's casing is equipped with the second tapering, first tapering
It fits with second tapering.
6. the outlet connecting mechanism of artificial blood pump according to claim 1, it is characterised in that: the artificial blood vessel with it is described
Artificial blood vessel's fixing sleeve is arranged at the docking of artificial blood vessel's casing, the lateral surface of artificial blood vessel's casing is equipped with convex annular
It rises, the medial surface compression fit of the annular protrusion and artificial blood vessel's fixing sleeve.
7. the outlet connecting mechanism of artificial blood pump according to claim 6, it is characterised in that: artificial blood vessel's fixing sleeve
It is arranged with artificial blood vessel's protective cover outside, the artificial blood vessel protects outer sleeve to be equipped with clip.
8. the outlet connecting mechanism of artificial blood pump according to claim 1, it is characterised in that: the retaining ring is equipped with interior
Screw thread, the blood pump outlet transfer part are equipped with the external screw thread matched with the internal screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721424155.3U CN208405516U (en) | 2017-10-31 | 2017-10-31 | A kind of outlet connecting mechanism of artificial blood pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721424155.3U CN208405516U (en) | 2017-10-31 | 2017-10-31 | A kind of outlet connecting mechanism of artificial blood pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208405516U true CN208405516U (en) | 2019-01-22 |
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ID=65127914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721424155.3U Active CN208405516U (en) | 2017-10-31 | 2017-10-31 | A kind of outlet connecting mechanism of artificial blood pump |
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| Country | Link |
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| CN (1) | CN208405516U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107626008A (en) * | 2017-10-31 | 2018-01-26 | 深圳核心医疗器械有限公司 | The outlet connecting mechanism and its assemble method of a kind of artificial blood pump |
-
2017
- 2017-10-31 CN CN201721424155.3U patent/CN208405516U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107626008A (en) * | 2017-10-31 | 2018-01-26 | 深圳核心医疗器械有限公司 | The outlet connecting mechanism and its assemble method of a kind of artificial blood pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518000 factory building a qiugu 202, fengyeyuan industrial plant, Liuxian Er Road, Xingdong community, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN CORE MEDICAL TECHNOLOGY Co.,Ltd. Address before: 518000 Guangdong Shenzhen City, Shenzhen Nanshan District Taoyuan Street Li Shan Road University City Pioneer Park 1106 room Patentee before: SHENZHEN HEXIN MEDICAL DEVICES Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518000 1601, building D3, Nanshan Zhiyuan, No. 1001, Xueyuan Avenue, Changyuan community, Taoyuan Street, Nanshan District, Shenzhen, Guangdong Patentee after: Shenzhen Core Medical Technology Co.,Ltd. Address before: 518000 qiugu 202, workshop a, fengyeyuan industrial plant, Liuxian 2nd Road, Xingdong community, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN CORE MEDICAL TECHNOLOGY Co.,Ltd. |