CN104224414A - Sacculus fatigue test device - Google Patents
Sacculus fatigue test device Download PDFInfo
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- CN104224414A CN104224414A CN201410479072.9A CN201410479072A CN104224414A CN 104224414 A CN104224414 A CN 104224414A CN 201410479072 A CN201410479072 A CN 201410479072A CN 104224414 A CN104224414 A CN 104224414A
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- sacculus
- test device
- fatigue test
- pump
- balloon expandable
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Abstract
The invention discloses a sacculus fatigue test device which consists of a machine seat (1), a sacculus liquid supplementing pump (2.1), a sacculus expansion pump (2.2), a hose (3), a three-way joint (4), three-way valves (5.1) and (5.2), special joints (6.1) and (6.2), an electric pushing device (8), a luer joint (9), a pin shaft (10), a front support (11), a rear support (12), a double-head stud (13), a limiting column (14), an upper connection block (15), a pressing plate (16), a pump base plate (17), a valve seat (18), a lower connection block (19), an intelligent pressure controller (20) and standard pieces (21 to 26). The piston rod of the sacculus expansion pump (2.2) is pushed by the electric pushing device (8) to do reciprocating motion, so that fatigue test on a sacculus catheter conveying system (7) is realized.
Description
Technical field:
The present invention relates to a kind of test set of intravascular stent foley's tube induction system, particularly a kind of sacculus fatigue test device.
Background technology:
A kind of instrument that existing intravascular stent foley's tube induction system is carried as intravascular stent, plays an important role in intravascular stent course of conveying; Under the guiding of guiding catheter, seal wire, intravascular stent is transported to lesion locations, until sacculus expands support and the whole process of pumpback.In operation process, the performance of foley's tube induction system directly affects the success or failure of operation.Because human body exists different thicknesses and very bending blood vessel, serious lesion vessels also with calcification, so need foley's tube induction system to have very little external diameter, good compliance, stronger propelling movement, to be conducive to, by tortuous lesion vessels, reaching lesion locations.The basic composition of foley's tube induction system comprises: pipe, developing ring, sacculus, head end etc. in handle, hypotube, far-end outer tube, far-end, and sacculus is most important parts in foley's tube induction system, the expansion to pathological changes will be carried out repeatedly is needed to expand fully to make pathological changes when performing the operation; Sacculus fatigue behaviour, as the important indicator of foley's tube induction system mechanical performance, directly affects the whole quality of foley's tube induction system and the safety of operation.Therefore, design and develop a kind of sacculus fatigue test device to carry out testing fatigue to sacculus and be very important.
" HPT-1000 water pressure test machine " that existing sacculus fatigue test device manufactures as INTERFACE, complex structure, expensive.And in the research and development of products of foley's tube induction system, technique research and development, quality control and manufacturing process, must grasp and control the fatigue properties of sacculus, make it reach and meet the requirement of foley's tube induction system product.Therefore, sacculus fatigue behaviour is the important indicator evaluating foley's tube induction system.
Object of the present invention proposes a kind of sacculus fatigue test device exactly, to meet necessity requirement sacculus being carried out to fatigue property test.
Summary of the invention:
The present invention is realized by following manner:
A kind of sacculus fatigue test device is made up of mechanical system and electrical apparatus control system.
A kind of mechanical system of sacculus fatigue test device as shown in Figure 1 and Figure 2, is made up of support 1, sacculus fluid infusion pump 2.1, balloon expandable pump 2.2, flexible pipe 3, threeway 4, three-way valve 5.1 and 5.2, special joint 6.1 and 6.2, electronic push unit 8, female Luer 9, bearing pin 10, front bearing 11, rear support 12, studs 13, limited post 14, upper contiguous block 15, pressing plate 16, pump backing plate 17, valve seat 18, lower connecting block 19, intelligent pressure controller 20 and standard component 21 ~ 26 etc.
Electrical apparatus control system such as Fig. 3 of a kind of sacculus fatigue test device is made up of 0 ~ 24V regulated power supply, control chamber KZ, air switch KK, rotary switch SA, relay K M1, relay K M2, auxiliary reclay, time delay engage relay KT1, time delay disconnection relay K T2, display lamp L1 (red), display lamp L2 (green), fuse RD etc.
The mechanical system of described a kind of sacculus fatigue test device and electrical apparatus control system are respective independently Split type structure, connect transmission by wire.
The support 1 of described a kind of sacculus fatigue test device is the basis of whole device for mechanical system, and balloon expandable pump 2.2, electronic push unit 8, valve seat 18 intelligent pressure controller 20 etc. is assemblied on support 1.
The pump housing of the balloon expandable pump 2.2 of described a kind of sacculus fatigue test device is fixed on support 1 by studs 13, limited post 14, pressing plate 16, pump backing plate 17 and bolt and nut packing ring standard component 24,25 etc.
After the piston rod front end of the balloon expandable pump 2.2 of described a kind of sacculus fatigue test device is connected with it by upper contiguous block 15, lower connecting block 19, front bearing 12 and bolt and nut packing ring standard component 21,22,23 etc., bearing 12 before electronic push unit 8 front end push rod inserts, bearing pin 10 penetrates the pin-and-hole of front bearing 12 and the pin-and-hole of electronic push unit 8 front end push rod, the retaining groove at bearing pin 10 two ends loads split washer 27, is so just linked together with balloon expandable pump 2.2 by electronic push unit 8.
Rear support 11 is inserted in electronic push unit 8 rear end of described a kind of sacculus fatigue test device, bearing pin 10 penetrates the pin-and-hole of rear support 11 and the pin-and-hole of electronic push unit 8 rear end, the retaining groove at bearing pin 10 two ends loads split washer 27, is connected by rear support 11 by bolt and nut packing ring standard component 24,25,26 with support 1.
The front end of the balloon expandable pump 2.2 of described a kind of sacculus fatigue test device is by flexible pipe 3, special joint 6.1 connecting tee valve 5.1, threeway 4.
Pressure limit 0 ~ 30atm that the balloon expandable pump 2.2 of described a kind of sacculus fatigue test device provides, stroke range 0 ~ 100mm.
The Stress control that the intelligent pressure controller 20 of described a kind of sacculus fatigue test device provides is at scope 0 ~ 30atm, and the moving contact of intelligent pressure controller 20 controls to switch between contact in the pressure limit bound of setting.The bound of intelligent pressure controller 20 controls contact and can set in 0 ~ 30atm pressure limit, and the force value that the bound of intelligent pressure controller 20 controls contact can be set as that fixed value also can be set as touching with moving contact and goes forward one by one.
Special joint 6.2, the three-way valve 5.2 of described a kind of sacculus fatigue test device are connected with intelligent pressure controller 20 by female Luer 9, valve seat 18.
Described a kind of electronic push unit 8 of sacculus fatigue test device, the electrical equipment input of intelligent pressure controller 20 are connected by wire with the electrical output terminal of electrical appliance part control chamber KZ.
Foley's tube induction system 7 one end with threeway 4 is connected by described a kind of sacculus fatigue test device before testing.
Described a kind of sacculus fatigue test device carries out the step method of sacculus testing fatigue, and foley's tube induction system 7 to be measured, to carrying out the balloon expandable pump 2.2 of sacculus testing fatigue and the sufficient purified water of system, is connected by the sacculus fluid infusion pump 2.1 first connected by side; The wire of electrical apparatus control system and mechanical system is connected.The air switch that closes switches on power, and rotating rotary switch to connecting gear, starting the test of foley's tube induction system 7; Electrical apparatus control system makes electronic push unit 8 promote the reciprocating action of balloon expandable pump 2.2 piston rod by the actuating signal of the moving contact of intelligent pressure controller 20, the moving contact of intelligent pressure controller 20 controls to switch between contact in the pressure limit bound of setting, display lamp (one red one green) alternately flicker; The bound of intelligent pressure controller 20 controls contact and can set in 0 ~ 30atm pressure limit, the bound of intelligent pressure controller 20 controls contact and preferably sets between pressure 6 ~ 25atm scope, and control contact voltage stabilizing pause 1 ~ 60S in upper pressure limit, preferably control contact voltage stabilizing pause 10 ~ 15S in upper pressure limit; Electronic push unit 8 promotes to stop after the reciprocating motion of balloon expandable pump 2.2 piston rod reaches 5 ~ 50 set point numbers, and preferred reciprocating cutter stops after reaching 20 ~ 25 set point numbers; Rotary switch being rotated to disconnecting gear, completing the testing fatigue of a foley's tube induction system 7.If sacculus occurs in the test process of foley's tube induction system 7 break, in time rotary switch is rotated to disconnecting gear.
The present invention has the following advantages:
1. the present invention is by the connection combination of some pipe fittings, valve, pump, and in addition electronic passing and control, makes the sacculus fatigue property test device of foley's tube induction system become simple and practical.
2. the present invention is by electronic push unit 8, intelligent pressure controller 20 etc. and the efficient combination of electrical apparatus control system, achieves test foley's tube induction system being carried out to sacculus fatigue behaviour.
Accompanying drawing illustrates:
Below accompanying drawing of the present invention:
Fig. 1: the schematic front view of a kind of sacculus fatigue test device of the present invention.
Fig. 2: the schematic top plan view of a kind of sacculus fatigue test device of the present invention.
Fig. 3: the electrical control schematic diagram of a kind of sacculus fatigue test device of the present invention.
Detailed description of the invention:
First press shown in Fig. 1, Fig. 2, by good for a kind of sacculus fatigue test device assembly and connection be made up of support 1, sacculus fluid infusion pump 2.1, balloon expandable pump 2.2, flexible pipe 3, threeway 4, three-way valve 5.1 and 5.2, special joint 6.1 and 6.2, electronic push unit 8, female Luer 9, bearing pin 10, front bearing 11, rear support 12, studs 13, limited post 14, upper contiguous block 15, pressing plate 16, pump backing plate 17, valve seat 18, lower connecting block 19, intelligent pressure controller 20 and standard component 21 ~ 26 etc.; Guarantee is connected firmly, system is at >=reliable the ne-leakage of 30atm lower seal.
By Fig. 3 by 0 ~ 24V regulated power supply, control chamber KZ, air switch KK, rotary switch SA, relay K M1, relay K M2, auxiliary reclay, time delay engage relay KT1, that time delay disconnects the assembly and connection such as relay K T2, display lamp L1 (red), display lamp L2 (green), fuse RD is good.
The electrical output terminal of the electrical equipment input of electronic push unit 8, intelligent pressure controller 20 and electrical appliance part control chamber KZ is connected by wire.
Complete above-mentioned assembly and connection, before preparing to carry out the sacculus testing fatigue of foley's tube induction system, by purified water and ethanol, the mechanical part to sacculus fatigue test device cleans up; Foley's tube induction system 7 to be measured is connected with one end of threeway 4, foley's tube induction system 7 distal portions (sacculus end) to be measured is immersed in the purified water (or PBS solution) of 37 ± 1 DEG C; By the hands of three-way valve 5.1 shown in Fig. 2 clockwise transposition 90 °, sacculus fluid infusion pump 2.1 is made to realize being communicated with balloon expandable pump 2.2, by sacculus fluid infusion pump 2.1 to the sufficient purified water of balloon expandable pump 2.2 of carrying out sacculus testing fatigue; The hands of three-way valve 5.1 is continued transposition 180 ° along clockwise, close the path of sacculus fluid infusion pump 2.1 and balloon expandable pump 2.2, take off sacculus fluid infusion pump 2.1 and emptying after again connect, sacculus fluid infusion pump 2.1 is communicated with other parts of sacculus fatigue test device, by sacculus fluid infusion pump 2.1, emptying extraction is carried out to its connected component; And then by the hands of three-way valve 5.1 continuing along clockwise transposition 90 °, closing sacculus fluid infusion pump 2.1 and the path of sacculus fatigue test device system, making it return to location status shown in Fig. 2.
The air switch that closes switches on power, rotary switch is rotated to connecting gear, foley's tube test starts, electrical apparatus control system makes electronic push unit 8 promote the reciprocating action of balloon expandable pump 2.2 piston rod by the moving contact actuating signal of intelligent pressure controller 20, the moving contact of intelligent pressure controller 20 controls to switch between contact in the pressure limit bound of setting, display lamp (one red one green) alternately flicker; The bound of intelligent pressure controller 20 controls contact and can set in 0 ~ 30atm pressure limit, the bound of intelligent pressure controller 20 controls contact and preferably sets between pressure 6 ~ 25atm scope, and control contact voltage stabilizing pause 1 ~ 60S in upper pressure limit, preferably control contact voltage stabilizing pause 10 ~ 15S in upper pressure limit; Electronic push unit 8 promotes to stop after the reciprocating motion of balloon expandable pump 2.2 piston rod reaches 5 ~ 50 set point numbers, and preferred reciprocating cutter stops after reaching 20 ~ 25 set point numbers; Rotary switch being rotated to disconnecting gear, completing the testing fatigue of a foley's tube induction system 7.If sacculus occurs in the test process of foley's tube induction system 7 break, in time rotary switch is rotated to disconnecting gear.
Claims (10)
1. a sacculus fatigue test device is by support (1), sacculus fluid infusion pump (2.1), balloon expandable pump (2.2), flexible pipe (3), threeway (4), three-way valve (5.1) and (5.2), special joint (6.1) and (6.2), electronic push unit (8), female Luer (9), bearing pin (10), front bearing (11), rear support (12), studs (13), limited post (14), upper contiguous block (15), pressing plate (16), pump backing plate (17), valve seat (18), lower connecting block (19), intelligent pressure controller (20) and standard component (21 ~ 26) composition, is characterized in that: support (1) is the basis of whole device for mechanical part, balloon expandable pump (2.2), electronic push unit (8), valve seat (18) intelligent pressure controller (20) is assemblied on support 1, the moving contact of intelligent pressure controller (20) controls to switch between contact in the pressure limit bound of setting, electronic push unit (8) promotes balloon expandable pump (2.2) piston rod reciprocating action, electronic push unit (8) promotes to stop after the reciprocating motion of balloon expandable pump (2.2) piston rod reaches set point number, completes the testing fatigue to a foley's tube induction system (7).
2. a kind of sacculus fatigue test device according to claims 1, is characterized in that: the pump housing of balloon expandable pump (2.2) is fixed on support (1) by studs (13), limited post (14), pressing plate (16), pump backing plate (17) and bolt and nut packing ring standard component (24), (25) etc.
3. a kind of sacculus fatigue test device according to claims 1, it is characterized in that: the piston rod front end of balloon expandable pump (2.2) is by upper contiguous block (15), lower connecting block (19), front bearing (12) and bolt and nut packing ring standard component (21), (22), (23) after being connected with it, the front end push rod of electronic push unit (8) inserts front bearing (12), bearing pin (10) penetrates the pin-and-hole of front bearing (12) and the pin-and-hole of electronic push unit (8) front end push rod, the retaining groove at bearing pin (10) two ends loads split washer (27), electronic push unit (8) and balloon expandable pump (2.2) are linked together.
4. a kind of sacculus fatigue test device according to claims 1, it is characterized in that: rear support (11) is inserted in electronic push unit (8) rear end, bearing pin (10) penetrates the pin-and-hole of rear support (11) and the pin-and-hole of electronic push unit (8) rear end, the retaining groove at bearing pin (10) two ends loads split washer (27), is connected by rear support (11) by bolt and nut packing ring standard component (24), (25), (26) with support (1).
5. a kind of sacculus fatigue test device according to claims 1, is characterized in that: the front end of balloon expandable pump (2.2) is by flexible pipe (3), special joint (6.1) connecting tee valve (5.1), threeway (4).
6. a kind of sacculus fatigue test device according to claims 1, is characterized in that: special joint (6.2), three-way valve (5.2) are connected with intelligent pressure controller (20) by female Luer (9), valve seat (18).
7. a kind of sacculus fatigue test device according to claims 1, is characterized in that: pressure limit 0 ~ 30atm that balloon expandable pump (2.2) provides, stroke range 0 ~ 100mm.
8. a kind of sacculus fatigue test device according to claims 1, it is characterized in that: the Stress control that intelligent pressure controller (20) provides is at scope 0 ~ 30atm, the moving contact of intelligent pressure controller (20) controls to switch between contact in the pressure limit bound of setting, the bound of intelligent pressure controller (20) controls contact and can set in 0 ~ 30atm pressure limit, and the force value that the bound of intelligent pressure controller (20) controls contact can be set as that fixed value also can be set as touching with moving contact and goes forward one by one.
9. a kind of sacculus fatigue test device according to claims 8, it is characterized in that: the bound of intelligent pressure controller (20) controls contact and preferably sets between pressure 6 ~ 25atm scope, and control contact voltage stabilizing pause 1 ~ 60S in upper pressure limit, preferably control contact voltage stabilizing pause 10 ~ 15S in upper pressure limit.
10. a kind of sacculus fatigue test device according to claims 1, it is characterized in that: electronic push unit (8) promotes to stop after the reciprocating motion of balloon expandable pump (2.2) piston rod reaches 5 ~ 50 set point numbers, and preferred reciprocating cutter stops after reaching 20 ~ 25 set point numbers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410479072.9A CN104224414B (en) | 2014-09-19 | 2014-09-19 | A kind of sacculus fatigue test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410479072.9A CN104224414B (en) | 2014-09-19 | 2014-09-19 | A kind of sacculus fatigue test device |
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| Publication Number | Publication Date |
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| CN104224414A true CN104224414A (en) | 2014-12-24 |
| CN104224414B CN104224414B (en) | 2016-07-06 |
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| CN201410479072.9A Active CN104224414B (en) | 2014-09-19 | 2014-09-19 | A kind of sacculus fatigue test device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108279167A (en) * | 2018-04-28 | 2018-07-13 | 河南威浦仕医疗科技有限公司 | A kind of peripheral blood vessel foley's tube pressure test device |
| CN108801761A (en) * | 2018-04-28 | 2018-11-13 | 河南威浦仕医疗科技有限公司 | Foley's tube air pressure precompressed puncture resistance device for detecting performance |
| CN108827791A (en) * | 2018-04-28 | 2018-11-16 | 河南威浦仕医疗科技有限公司 | Foley's tube preload pressure test device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4651738A (en) * | 1985-08-02 | 1987-03-24 | Baylor College Of Medicine | Method and device for performing transluminal angioplasty |
| US5741229A (en) * | 1988-03-08 | 1998-04-21 | Scimed Life Systems, Inc. | Balloon catheter inflation device |
| US5749853A (en) * | 1995-03-17 | 1998-05-12 | Advanced Cardiovascular Systems, Inc. | Inflation control system with elapsed time measurement |
| US20040019323A1 (en) * | 2002-04-23 | 2004-01-29 | Wilson-Cook Medical, Inc. | Precalibrated inflation device for balloon catheter |
| EP1576981A2 (en) * | 2004-03-16 | 2005-09-21 | WL-tec GmbH | Controller for a balloon catheter |
| CN1676091A (en) * | 2004-03-31 | 2005-10-05 | 富士能株式会社 | Balloon control apparatus |
| US7578165B1 (en) * | 2004-12-17 | 2009-08-25 | Interface Associates, Inc. | Measurement apparatus and methods for balloon catheters |
| CN102192800A (en) * | 2010-03-09 | 2011-09-21 | 微创医疗器械(上海)有限公司 | Hydraulic test system |
| CN102655893A (en) * | 2010-03-17 | 2012-09-05 | 日本瑞翁株式会社 | Medical inflation/deflation drive device |
| CN203479474U (en) * | 2013-09-12 | 2014-03-12 | 北京垠海工程技术研究有限责任公司 | Vacuum tester |
| CN204233248U (en) * | 2014-09-19 | 2015-04-01 | 易生科技(北京)有限公司 | A kind of sacculus fatigue test device |
-
2014
- 2014-09-19 CN CN201410479072.9A patent/CN104224414B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4651738A (en) * | 1985-08-02 | 1987-03-24 | Baylor College Of Medicine | Method and device for performing transluminal angioplasty |
| US5741229A (en) * | 1988-03-08 | 1998-04-21 | Scimed Life Systems, Inc. | Balloon catheter inflation device |
| US5749853A (en) * | 1995-03-17 | 1998-05-12 | Advanced Cardiovascular Systems, Inc. | Inflation control system with elapsed time measurement |
| US20040019323A1 (en) * | 2002-04-23 | 2004-01-29 | Wilson-Cook Medical, Inc. | Precalibrated inflation device for balloon catheter |
| EP1576981A2 (en) * | 2004-03-16 | 2005-09-21 | WL-tec GmbH | Controller for a balloon catheter |
| CN1676091A (en) * | 2004-03-31 | 2005-10-05 | 富士能株式会社 | Balloon control apparatus |
| US7578165B1 (en) * | 2004-12-17 | 2009-08-25 | Interface Associates, Inc. | Measurement apparatus and methods for balloon catheters |
| CN102192800A (en) * | 2010-03-09 | 2011-09-21 | 微创医疗器械(上海)有限公司 | Hydraulic test system |
| CN102655893A (en) * | 2010-03-17 | 2012-09-05 | 日本瑞翁株式会社 | Medical inflation/deflation drive device |
| CN203479474U (en) * | 2013-09-12 | 2014-03-12 | 北京垠海工程技术研究有限责任公司 | Vacuum tester |
| CN204233248U (en) * | 2014-09-19 | 2015-04-01 | 易生科技(北京)有限公司 | A kind of sacculus fatigue test device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108279167A (en) * | 2018-04-28 | 2018-07-13 | 河南威浦仕医疗科技有限公司 | A kind of peripheral blood vessel foley's tube pressure test device |
| CN108801761A (en) * | 2018-04-28 | 2018-11-13 | 河南威浦仕医疗科技有限公司 | Foley's tube air pressure precompressed puncture resistance device for detecting performance |
| CN108827791A (en) * | 2018-04-28 | 2018-11-16 | 河南威浦仕医疗科技有限公司 | Foley's tube preload pressure test device |
| CN108279167B (en) * | 2018-04-28 | 2020-01-21 | 河南威浦仕医疗科技有限公司 | Peripheral blood vessel sacculus pipe pressure test device |
| CN108827791B (en) * | 2018-04-28 | 2020-10-02 | 河南威浦仕医疗科技有限公司 | Sacculus pipe pre-compaction pressure testing arrangement |
| CN108801761B (en) * | 2018-04-28 | 2020-11-13 | 浙江国信房地产营销策划有限公司 | Balloon catheter air pressure pre-pressing puncture resistance detection device |
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| CN104224414B (en) | 2016-07-06 |
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