CN207568879U - A kind of device of fast verification blood pump pressure flow curve - Google Patents
A kind of device of fast verification blood pump pressure flow curve Download PDFInfo
- Publication number
- CN207568879U CN207568879U CN201721215829.9U CN201721215829U CN207568879U CN 207568879 U CN207568879 U CN 207568879U CN 201721215829 U CN201721215829 U CN 201721215829U CN 207568879 U CN207568879 U CN 207568879U
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- China
- Prior art keywords
- motor
- impeller
- blood pump
- pressure flow
- test cavity
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Abstract
The utility model provides a kind of device of fast verification blood pump pressure flow curve, including pedestal, the pedestal is equipped with motor-driven mechanism and test cavity, the test cavity includes the upper cavity and lower chamber that are connected, impeller is equipped in the test chamber body, the impeller is connect with the motor-driven mechanism, and the test cavity is connected with the inlet tube of input fluid to be measured and the outlet of output fluid to be measured.The beneficial effects of the utility model are：It can realize the fast verification of blood pump pressure flow curve, cost is relatively low, and proving period is shorter.
Description
Technical field
The utility model is related to medical instrument more particularly to a kind of devices of fast verification blood pump pressure flow curve.
Background technology
Pressure flow curve is the important parameter for weighing blood pump performance indicator, how fast verification blood pump pressure flow it is bent
Whether line meets the problem of design requirement is blood pump design overriding concern.At present, blood pump pressure can be realized by lacking a kind of device
The fast verification of flow curve.
Invention content
In order to solve the problems in the prior art, the utility model provides a kind of fast verification blood pump pressure flow curve
Device.
The utility model provides a kind of device of fast verification blood pump pressure flow curve, including pedestal, the pedestal
Motor-driven mechanism and test cavity are equipped with, the test cavity includes the upper cavity and lower chamber that are connected, the test
Impeller is equipped in cavity, the impeller is connect with the motor-driven mechanism, and the test cavity is connected with input fluid to be measured
Inlet tube and output fluid to be measured outlet.
As further improvement of the utility model, the motor-driven mechanism includes motor, shaft coupling and transmission shaft, institute
It states motor and passes through the shaft coupling and the transmission axis connection.
As further improvement of the utility model, the transmission shaft is equipped with boss, and the impeller is fixed on described convex
On platform.
As further improvement of the utility model, the pedestal is equipped with cushion block, and the cushion block is installed equipped with motor
Stent, the motor are fixed on the motor mounting rack, and the shaft coupling is plum coupling.
As further improvement of the utility model, the pedestal is equipped with support base, and the support base, which is equipped with, to be rolled
Bearing, snap ring and round nut, the transmission shaft are threaded through the snap ring, rolling bearing, on round nut respectively, the rolling bearing
Between the snap ring, round nut, the snap ring rolling bearing is close to the motor.
As further improvement of the utility model, the test cavity is fixed on the support base, the transmission shaft,
Lip-type packing is equipped between lower chamber.
As further improvement of the utility model, the test cavity, impeller, inlet tube and outlet are fast short-term training
Type is process.
The beneficial effects of the utility model are：Through the above scheme, it can realize that the quick of blood pump pressure flow curve is tested
Card, cost is relatively low, and proving period is shorter.
Description of the drawings
Fig. 1 is a kind of decomposition diagram of the device of fast verification blood pump pressure flow curve of the utility model.
Fig. 2 is a kind of diagrammatic cross-section of the device of fast verification blood pump pressure flow curve of the utility model.
Fig. 3 is a kind of verification flow chart of the device of fast verification blood pump pressure flow curve of the utility model.
Specific embodiment
The utility model is described in further detail for explanation and specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 2, a kind of device of fast verification blood pump pressure flow curve, including pedestal 10, the pedestal
10 are equipped with motor-driven mechanism and test cavity, and the test cavity includes the upper cavity 16 being connected and lower chamber 15, institute
It states and impeller 17 is equipped in test chamber body, the impeller 17 is between upper cavity 16, lower chamber 15, the impeller 17 and the electricity
Machine driving mechanism connects, and the test cavity is connected with the inlet tube 1 of input fluid to be measured and the outlet of output fluid to be measured
2, test cavity, impeller 17, inlet tube 1 and outlet 2 are processed using speed forming method.
As shown in Figure 1 to Figure 2, the motor-driven mechanism includes motor 7, shaft coupling 6 and transmission shaft 5, and the motor 7 is logical
The shaft coupling 6 is crossed to connect with the transmission shaft 5.
As shown in Figure 1 to Figure 2, the transmission shaft 5 is equipped with boss 18, and the impeller 17 is bolted on described convex
On platform 18.
As shown in Figure 1 to Figure 2, the pedestal 10 is equipped with cushion block 9, and the cushion block 9 is equipped with the motor mounting rack of L-type
8, the motor 7 is fixed on the motor mounting rack 8, and the shaft coupling 6 is preferably plum coupling, through plum coupling
6 connect with motor 7, and the power for realizing motor 7 to impeller 17 transmits.
As shown in Figure 1 to Figure 2, the pedestal 10 is equipped with support base 4, and the support base 4 is equipped with rolling bearing 12, card
Ring 11 and round nut 13, the transmission shaft 5 are threaded through the snap ring 11, rolling bearing 12, on round nut 13 respectively, the rolling
Bearing 12 is between the snap ring 11, round nut 13, and 11 rolling bearing 12 of snap ring is close to the motor 7, institute
The holding screw that support base 4 is equipped with fixed round nut 13 is stated, transmission shaft 5 is mounted on by rolling bearing 12 on support base 4, and
It is positioned by snap ring 11 and round nut 13.
As shown in Figure 1 to Figure 2, it is described test cavity be fixed on the support base 4, the transmission shaft 5, lower chamber 15 it
Between be equipped with lip-type packing 14.
As shown in Figure 1 to Figure 2, motor 7 is powered, and impeller 17 rotates, and fluid to be measured is continually inhaled from inlet tube 1
Enter, pumped out from outlet 2.Wherein lip-type packing 14 is for the clearance seal between transmission shaft 5 and lower chamber 15.
As shown in figure 3, a kind of verification process of the device of fast verification blood pump pressure flow is：
S1, blood pump modelling is carried out；
S2, computational fluid dynamics（CFD）Emulation, obtains the emulated pressure flow curve of different schemes；
S3, the upper and lower cavities and blade wheel structure that different schemes are processed by the method for rapid shaping；
S4, experimental pressure flow curve and emulated pressure flow curve are compared, judge whether to meet conceptual design
It is required that if it is, be verified and terminate, if it is not, then verification does not pass through, blood pump model is optimized, and return to step
Rapid S2.
Using the processing method of rapid shaping, process the inlet tube 1 of different structure form, outlet 2, upper cavity 16,
The model of lower chamber 15 and impeller 17 is combined into the blood pump of different structure form, is driven by general motor-driven mechanism
Pressure flow curve test is carried out, thus can be in the accuracy of shortest time verifying CFD design of Simulation.It can be with after the completion of test
According to influence of the test data analysis different structure variable to pressure flow curve, such as impeller thickness, gate thickness, blade-shaped
Formula, inner cavity geometry, inlet/outlet pipe angle and diameter etc., and then carry out having the excellent of foundation to blood pump model structure
Change.
A kind of device of fast verification blood pump pressure flow curve provided by the utility model is being not added with carefully and neatly done a model machine
Under the premise of, propose using general motor-driven mechanism come drive impeller 17 rotate method, and combine existing rapid shaping
Processing method, such as 3D printing speed forming method, laser curing speed forming method, fusion sediment molding etc., fast verification blood pump
Pressure flow curve.
A kind of device of fast verification blood pump pressure flow curve provided by the utility model has the following advantages：
1. improve design efficiency.The present invention using CFD and the method that is combined of rapid shaping processing, can cross fast verification with
Fast optimal design scheme greatly reduces the research and development time；The part of recycling does not have to assemble and disassemble repeatedly simultaneously, saves the time.
2. reduce R＆D costs.The present invention does not need to process the entire pump housing and other attachmentes by machining process,
It only needs to process the part for needing to optimize by quick molding method（Upper cavity 16, lower chamber 15, impeller 17）, other parts
It may be reused, save R＆D costs.
The above content is combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, several simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (1)
1. a kind of device of fast verification blood pump pressure flow curve, it is characterised in that：Including pedestal, the pedestal is equipped with electricity
Machine driving mechanism and test cavity, the test cavity include the upper cavity and lower chamber that are connected, are set in the test chamber body
There is impeller, the impeller is connect with the motor-driven mechanism, and the test cavity is connected with the inlet tube of input fluid to be measured
With the outlet of output fluid to be measured, the motor-driven mechanism includes motor, shaft coupling and transmission shaft, and the motor passes through institute
Shaft coupling and the transmission axis connection are stated, the transmission shaft is equipped with boss, and the impeller is fixed on the boss, the bottom
Seat is equipped with cushion block, and the cushion block is equipped with motor mounting rack, and the motor is fixed on the motor mounting rack, described
Shaft coupling is plum coupling, and the pedestal is equipped with support base, and the support base is equipped with rolling bearing, snap ring and circle spiral shell
Mother, the transmission shaft are threaded through the snap ring, rolling bearing, on round nut respectively, and the rolling bearing is located at the snap ring, circle
Between nut, the snap ring rolling bearing is fixed on close to the motor, the test cavity on the support base, institute
It states and lip-type packing is equipped between transmission shaft, lower chamber, the test cavity, impeller, inlet tube and outlet are fast short-term training
Type is process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721215829.9U CN207568879U (en) | 2017-09-21 | 2017-09-21 | A kind of device of fast verification blood pump pressure flow curve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721215829.9U CN207568879U (en) | 2017-09-21 | 2017-09-21 | A kind of device of fast verification blood pump pressure flow curve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207568879U true CN207568879U (en) | 2018-07-03 |
Family
ID=62694429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721215829.9U Active CN207568879U (en) | 2017-09-21 | 2017-09-21 | A kind of device of fast verification blood pump pressure flow curve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207568879U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503953A (en) * | 2017-09-21 | 2017-12-22 | 深圳核心医疗器械有限公司 | A kind of apparatus and method of fast verification blood pump pressure flow curve |
| CN112689716A (en) * | 2018-10-18 | 2021-04-20 | 波士顿科学国际有限公司 | Blood pump shaft bearing |
-
2017
- 2017-09-21 CN CN201721215829.9U patent/CN207568879U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503953A (en) * | 2017-09-21 | 2017-12-22 | 深圳核心医疗器械有限公司 | A kind of apparatus and method of fast verification blood pump pressure flow curve |
| CN112689716A (en) * | 2018-10-18 | 2021-04-20 | 波士顿科学国际有限公司 | Blood pump shaft bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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. |
|
| CP03 | Change of name, title or address |