CN102743208A - Vessel warp rinser - Google Patents

Abstract

The invention relates to a vessel warp rinser. The vessel warp rinser adopts the basic operating principles that a nozzle E1 of a vessel feeding pipe A1 of the vessel warp rinser keeps a distance away from a drain port F1 of a drain pipe B1, the section from the nozzle E1 to the drain port F1 is called as a rinsing zone, and the rinsing zone is conducted to a vessel to-be-rinsed zone (vessel atheromatous plaque zone); under the drive of the pressure of a hydraulic pump, a rinsing solution flowing through the drain port is sprayed by the nozzle to flush the vessel warp, and the produced sewage flows into the drain port, negative pressure is generated by a liquid exhaust pump, and the sewage is pumped from the drain port by the negative pressure so as to flow out of the human body by the drain pipe. A liquid spray end and a liquid exhaust end are respectively provided with a liquid blocking body so as to prevent rinsing sewage from flowing out of the rinsing zone.

Description

Blood vessel drift rinser

Technical field: the present invention is a kind of medical treatment device to the cardiovascular diseases, removes the drift in the blood vessel.

Background technology: the treatment of blocking for blood vessel drift (atheromatous plaque) at present has a kind of method of intravascular stent.At first, seal wire is inserted into target vessel under the guiding of image documentation equipment, and seal wire imports to the target vessel place with intravascular stent then, struts target vessel and blocks to eliminate.Intravascular stent is the RF that little Metallic rod constitutes, and can shrink and strut webbed pipeline.

Goal of the invention: remove drift in the blood vessel with cleanout fluid, to eliminate its obstruction.

Inventive principle is described:

The basic functional principle of blood vessel drift rinser is: the leakage fluid dram F* of the nozzle E* of feed pipe A* and the discharging tube B* segment distance of being separated by in this device; Be called cleaning area, cleaning area imported to the district to be cleaned (being blood vessel atheromatous plaque drift district) of blood vessel, under the pressure-driven of hydraulic pump; Wash liquid stream sprays from nozzle through feed pipe; Flushing blood vessel drift, the soiling solution that is produced flows into leakage fluid dram, and positive displacement pump produces negative pressure; Soiling solution is taken away by negative pressure from leakage fluid dram, and the discharging tube of flowing through flows out external; Hydrojet end and drain side respectively have a bluff body to stop the cleaning soiling solution to flow to outside the cleaning area.

Easy in order to narrate, make following explanation earlier:

● outer tube, interior pipe---in feed pipe and the discharging tube, have one to be bassoon, have one to be tubule, the structure that tubule is inclusive in the bassoon is a sleeve structure, and " outer tube " claimed in bassoon again, and tubule is claimed interior pipe again; Another kind of structure is to be divided into both sides by a partition in the pipeline, Yi Bian be feed pipe, another side is a discharging tube, and this pipeline outside is also referred to as " outer tube ".

● interior pipe is that feed pipe, outer tube are blood vessel drift rinser (Fig. 1 .1) the abbreviation 1 type device of discharging tube; Outer tube is that feed pipe, interior pipe are blood vessel drift rinser (Fig. 2) the abbreviation 2 type devices of discharging tube; Half the is that feed pipe, half the blood vessel drift rinser (Fig. 3) for discharging tube are called for short 3 type devices.Feed pipe and discharging tube mutually independently blood vessel drift rinser (Fig. 4) be called for short 4 type devices.

● A1 (1 type feed pipe, the i.e. feed pipe of 1 type device), A2 (2 type feed pipe), A3 (3 type feed pipe) and A4 (4 type feed pipe); Similarly, discharging tube B1, B2, B3 and B4; Nozzle E1, E2, E3 and E4; Leakage fluid dram F1, F2, F3 and F4; Hydrojet end bluff body M1, M2, M3 and M4; Drain side bluff body N1, N2, N3 and N4; All be an alphabetical followed withlabel 1,2,3,4 correspond to 1 type, 2 types, 3 types and 4 types respectively, but two alphabetical followed with (just not belonging to this example) oflabel 1,2,3,4 like Ab1.

● symbol * is digital asterisk wildcard, and on behalf of A1, A2, A3 and A4, discharging tube B*, feed pipe A* represented B1, B2, B3, B4; Nozzle E* has represented E1, E2, E3 and E4; Leakage fluid dram F* has represented F1, F2, F3 and F4; Hydrojet end bluff body M* has represented M1, M2, M3 and M4; Drain side bluff body N* has represented N1, N2, N3 and N4.

● feed pipe A* and discharging tube B* are the flexible pipes of macromolecular material, good bandability, and intensity is high; It is indeformable that feed pipe A* can tolerate the pressure that hydraulic pump produces, and it is indeformable that discharging tube B* can tolerate the negative pressure that positive displacement pump produces.

● cleanout fluid is harmless and the liquid of dissolving blood vessel drift effect is arranged, comprises water and ethanol.

● the position of waiting to insert intravascular stent that target vessel---blood vessel is blocked by drift;

Embodiment 1: interior pipe is that feed pipe, outer tube are the blood vessel drift rinser (Fig. 1 .1) of discharging tube, is called for short 1 type device.1 type feed pipe A1 stretches out-segment distance from 1 type discharging tube B1, constitutes cleaning area by the leakage fluid dram F1 on shower nozzle C1 on the 1 type feed pipe and the 1 type discharging tube, scrapes pole G1 with 1 type and connects shower nozzle C1 and leakage fluid dram F1; 1 type is scraped pole G1 has two effects, and the one, connect 1 type shower nozzle C1 and 1 type leakage fluid dram F1, make both position relative fixed, the 2nd, when back and forth rotating cleaning area, the drift of can swiping makes cleaning more easily with efficient; Regulate " scrape pole and strut dynamics actuator AB " (hereinafter to be referred as actuator AB) and can regulate shower nozzle C1 and leakage fluid dram F1 spacing; When actuator AB makes that shower nozzle C1 and leakage fluid dram F1 spacing are dwindled; Scraping pole G1 can be squeezed power and toward outside sweep, increase the scraping dynamics; In order to prevent cleanout fluid and soiling solution sinuous flow, a bluff body is respectively arranged, 1 type hydrojet end bluff body M1 and 1 type drain side bluff body N1 at the cleaning area two ends; Soiling solution is blocked in cleaning area; Two bluff bodys all have pipeline to be communicated with feed pipe, and 1 type drain side bluff body N1 wraps in the outside of 1 type discharging tube, and 1 type hydrojet end bluff body M1 promptly can be the outside that wraps in 1 type feed pipe; Also can be liquid capsule independently, its seal R allows seal wire Q therefrom to pass and stops liquid to flow out; Before the cleanout fluid that is injected with pressure to 1 type feed pipe and bluff body (cleanout fluid of pressure role in bluff body is that bluff body is expanded, so rename as inflation fluid below the pressure liquid in the bluff body), bluff body does not swell; Can navigate among the blood vessel to be cleaned, after injecting inflation fluid, bluff body swells and occluding vascular; Simultaneously; Because bluff body is flexible, allow to scrape pole do back and forth to rotate by a small margin (if there is the n root to scrape pole, rotatable amplitude be 360 °/n); Work process is: under the controlling of seal wire control device PQ, seal wire Q arrives target vessel; Under the guiding of seal wire Q, the cleaning area of 1 type device is imported to target vessel; Under the pressure-driven of hydraulic pump PA, bluff body expands and tackles soiling solution; Wash liquid stream from nozzle E1 ejection, cooperates the scraping of scraping pole G1 through 1 type feed pipe A1, flushing blood vessel drift; The soiling solution that is produced flows into leakage fluid dram F1, and positive displacement pump PB produces negative pressure, and soiling solution is taken away by negative pressure from leakage fluid dram F1, and the 1 type discharging tube B1 that flows through flows out external.

After among Fig. 1 .1 1 replaced to 2, being exactly the thumbnail of Fig. 1 .2, not having the picture striping, is 1 type device of a long pipeline sketch map.

Embodiment 1.2: bluff body and structure of nozzle and operation principle.Bluff body comprises hydrojet end bluff body and drain side bluff body, is the liquid capsule that elastica constitutes (being similar to balloon), is naturalness (diameter is less) when not being injected into inflation fluid, and at this moment, bluff body can be walked in being cleaned blood vessel; When bluff body was injected into inflation fluid, support became " stopper " in the blood vessel greatly, and this two stopper is limited in them between the two with cleanout fluid; The topping up structure of bluff body has two kinds: a kind of is to adopt the special inflation fluid pipeline that is parallel to feed pipe; Inflation fluid pipeline and feed pipe pipeline are all drawn from hydraulic pump; Each is with the break-make (switch and inflation fluid pipeline all do not draw in the accompanying drawings) of a cock control liquid stream; After the bluff body topping up is accomplished obstruction, open the feed pipe switch again and wash; Another kind is to be communicated with feed pipe and bluff body with pipeline, and this connecting pipe diameter is much larger than nozzle diameter, so can at first be full of bluff body before the hydrojet; Nozzle can also be made the threshold value nozzle, and the effect of threshold value nozzle is: when hydraulic pressure was lower than this threshold value, cleanout fluid can not spray from nozzle; When hydraulic pressure was higher than this threshold value, cleanout fluid sprayed from nozzle, so; When the feed pipe feed flow, initial, the flow direction bluff body; After bluff body expanded completion, its internal hydraulic pressure raise and surpasses threshold value, and nozzle just can form the hydrojet that is higher than threshold pressure.Make the threshold value nozzle a lot of schemes are arranged: 1. cover thin film on the nozzle, perhaps nozzle bore does not drill fully, and nozzle was just breakdown when hydraulic pressure was higher than threshold value; 2. on sebific duct, prick a little pin hole and serve as nozzle; Or on sebific duct, scratch a radial little openning and serve as nozzle, like " ten " font, " * " font, " rice " font or the little openning of multi radiation more, openning is closed when pressure is not high; When pressure surpassed threshold value, openning was strutted.

Embodiment 1.3: outer tube nut actuator., Fig. 1 .31 is Fig. 1 .32 after loading onto outer tube nut Ab4.When outer tube nut Ab4 rotated past moving right, pipe back-up ring Ab3 made interior back-up ring Ab3 of pipe and interior pipe move to right in nut back-up ring Ab5 can push, and made shower nozzle C1 and leakage fluid dram F1 spacing dwindle, and forced and scraped pole G1 toward outside sweep, increased the scraping dynamics.

Embodiment 1.4: interior pipe nut actuator., Fig. 1 .41 is Fig. 1 .42 behind the pipe nut Ab8 in loading onto.During past the moving left of interior pipe nut Ab8 rotation, it can push outer tube back-up ring Ab6 and outer tube moves to left, and makes shower nozzle C1 and leakage fluid dram F1 spacing dwindle, and forces to scrape pole G1 toward outside sweep increase scraping dynamics.

Actuator AB comprises outer tube nut actuator and interior pipe nut actuator.What describe among Fig. 1 .31-Fig. 1 .42 is 1 type device, if make 2 type devices into, and same being suitable for.

Embodiment 2: outer tube is that feed pipe, interior pipe are the blood vessel drift rinser (Fig. 2) of discharging tube, is called for short 2 type devices.This device is made up of seal wire Q, hydraulic pump PA, 2 type feed pipe A2,2 type nozzle E2,2 type discharging tube B2,2 type leakage fluid dram F2, positive displacement pump PB, 2 type drain side bluff body N2,2 type hydrojet end bluff body M2 and actuator AB, and the zone between nozzle E2 and the leakage fluid dram F2 is a cleaning area, scrapes pole G2 with four functions and connects shower nozzle C2 and leakage fluid dram F2; 2 types are scraped pole G2 has four effects, and the one, connect shower nozzle C2 and leakage fluid dram F2, make both position relative fixed; The 2nd, serve as the pipeline that liquid is provided to drain side bluff body N2; The 3rd, can be some nozzle E2 in the above, closely wash drift, this is an option; Also can not do nozzle; The 4th, when back and forth rotating cleaning area, the drift of can swiping makes cleaning more easily with efficient; Actuator AB, bluff body, seal R, seal wire Q, hydraulic pump PA, positive displacement pump PB etc., its function is identical with embodiment 1 with operation principle, does not give unnecessary details.

Embodiment 3: half the be feed pipe, half is the blood vessel drift rinser (Fig. 3) of discharging tube, is called for short 3 type devices.In the middle of pipeline, do a partition, half is 3 type feed pipe A3, second half is 3 type discharging tube B3, other parts as: bluff body, nozzle, leakage fluid dram, scrape pole, shower nozzle, seal R, seal wire Q etc.

Embodiment 4: feed pipe and discharging tube be blood vessel drift rinser (Fig. 4) independently mutually, is called for short 4 type devices.4 type feed pipe A4 and 4 type discharging tube B4 are independent mutually; Both get into from the two ends in district to be cleaned respectively; 4 type nozzle E4 and 4 type leakage fluid dram F4 place the two ends in district to be cleaned respectively; 4 type feed pipe A4 have pipeline and 4 type nozzle end bluff body M4 UNICOM and feed flows, and 4 type leakage fluid dram F4 end bluff body N4 then provide inflation fluid through the inflation fluid supply pipe S4 of a special use.Place cardinal vein and leakage fluid dram F4 to place aorta nozzle E4, can clean the drift in the heart.

Description of drawings (if explain among certain label pro-figure, in the figure of back, directly marking, usually no longer explanation)

Pipe is the blood vessel drift rinser of discharging tube for feed pipe, outer tube in Fig. 1 .1-.The formation of this device is:

Seal wire Q, seal wire seal R, 1 type hydrojet end bluff body M1,1 type shower nozzle C1,1 type nozzle E1,1 type scrape pole G1,1 type leakage fluid dram F1,1 type drain side bluff body N1, striping K (being expressed as very long pipeline, is the method for omitting the picture space of a whole page), 1 type discharging tube B1,1 type discharge opeing connection tube B1 ', positive displacement pump PB, scrape pole struts dynamics actuator AB (hereinafter to be referred as actuator), 1 type feed pipe A1,1 type feed flow connection tube A1 ', hydraulic pump PA, seal wire control device PQ.

Fig. 1 .2-blood vessel drift rinser thumbnail.Not having the picture striping, is 1 type device of a long pipeline sketch map.

Fig. 1 .31-loads onto the outer tube nut actuator before the nut.Ab1 is the adjusting screw thread on the outer tube, and Ab2 is the sealing ring between the inner and outer pipes, and Ab3 is the back-up ring on the pipe in being fixed in, and AQ is the sealing ring between interior pipe and the seal wire.

Fig. 1 .32-loads onto the outer tube nut actuator behind the nut.Sketch map after Fig. 1 .31 loads onto outer tube nut Ab4, Ab5 are the back-up ring on the outer tube nut Ab4.

Fig. 1 .41-loads onto the interior pipe nut actuator before the nut.Ab7 is the adjusting screw thread on the interior pipe, and Ab6 is the back-up ring that is fixed on the outer tube.

Fig. 1 .42-loads onto the interior pipe nut actuator behind the nut.Sketch map in Fig. 1 .41 loads onto behind the pipe nut Ab8.

Fig. 2-outer tube is that feed pipe, interior pipe are the blood vessel drift rinser of discharging tube.The formation of this device is:

Q, R, 2 type drain side bluff body N2, leakage fluid dram F2,2 types are scraped pole G2,2 type nozzle E2,2 type shower nozzle C2,2 type hydrojet end bluff body M2, striping K, 2 type discharging tube B2,2 type discharge opeing connection tube B2 ', PB, actuator AB, 2 type feed pipe A2,2 type feed flow connection tube A2 ', PA, PQ.

Fig. 3-half the be a feed pipe, half is the blood vessel drift rinser of discharging tube.The formation of this device cleaning area is: Q, R, 3 type drain side bluff body N3,3 type nozzle E3,3 type leakage fluid dram F3,3 type hydrojet end bluff body M3, striping K, 3 type feed pipe A3,3 type discharging tube B3.

Fig. 4-feed pipe and discharging tube be blood vessel drift rinser independently mutually.The formation of this device cleaning area is: 4 type feed pipe A4,4 type nozzle E4,4 type hydrojet end bluff body M4,4 type discharging tube B4,4 type leakage fluid dram F4,4 type drain side bluff body N4,4 type inflation fluid supply pipe S4.

Claims (10)

1. blood vessel drift rinser is characterized in that: the leakage fluid dram F* of the nozzle E* of feed pipe A* and the discharging tube B* segment distance of being separated by in this device, be called cleaning area; Cleaning area is imported to the district to be cleaned (being the atheromatous plaque drift district of blood vessel) of blood vessel; Under the pressure-driven of hydraulic pump, wash liquid stream sprays from nozzle through feed pipe, flushing blood vessel drift; The soiling solution that is produced flows into leakage fluid dram; Positive displacement pump produces negative pressure, and soiling solution is taken away by negative pressure from leakage fluid dram, and the discharging tube of flowing through flows out external; Hydrojet end and drain side respectively have a bluff body to stop the cleaning soiling solution to flow to outside the cleaning area.

2. blood vessel drift rinser according to claim 1, its further characteristic is: comprise a kind of 1 type device, promptly interior pipe is the blood vessel drift rinser of discharging tube for feed pipe, outer tube; 1 type feed pipe A1 stretches out a segment distance from 1 type discharging tube B1, constitute cleaning area by the leakage fluid dram F1 on shower nozzle C1 on the 1 type feed pipe and the 1 type discharging tube, scrapes pole G1 with 1 type and connects shower nozzle C1 and leakage fluid dram F1; 1 type is scraped pole G1 has two effects, and the one, connect 1 type shower nozzle C1 and 1 type leakage fluid dram F1, make both position relative fixed, the 2nd, when back and forth rotating cleaning area, the drift of can swiping makes cleaning more easily with efficient; Actuator AB can regulate shower nozzle C1 and leakage fluid dram F1 spacing, when actuator AB makes that shower nozzle C1 and leakage fluid dram F1 spacing are dwindled, scrapes pole G1 and can be squeezed power and toward outside sweep, increase the scraping dynamics; In order to prevent cleanout fluid and soiling solution sinuous flow, a bluff body is respectively arranged, 1 type hydrojet end bluff body M1 and 1 type drain side bluff body N1 at the cleaning area two ends; Soiling solution is blocked in cleaning area; Two bluff bodys all have pipeline to be communicated with feed pipe, and 1 type drain side bluff body N1 wraps in the outside of 1 type discharging tube, and 1 type hydrojet end bluff body M1 promptly can be the outside that wraps in 1 type feed pipe; Also can be liquid capsule independently, its seal R allows seal wire Q therefrom to pass and stops liquid to flow out; Before 1 type feed pipe and bluff body are injected with the cleanout fluid of pressure, bluff body does not swell, and can navigate among the blood vessel to be cleaned; After injecting inflation fluid, bluff body swells and occluding vascular, simultaneously; Because bluff body is flexible; Allow to scrape pole and do back and forth to rotate by a small margin, if there is the n root to scrape pole, rotatable amplitude is 360 °/n; This device work process is: under the controlling of seal wire control device PQ, seal wire Q arrives district to be cleaned; Under the guiding of seal wire Q, the cleaning area of 1 type device is imported to the district to be cleaned of blood vessel; Under the pressure-driven of hydraulic pump PA, bluff body expands and tackles soiling solution; Wash liquid stream from nozzle E1 ejection, cooperates the scraping of scraping pole G1 through 1 type feed pipe A1, flushing blood vessel drift; The soiling solution that is produced flows into leakage fluid dram F1, and positive displacement pump PB produces negative pressure, and soiling solution is taken away by negative pressure from leakage fluid dram F1, and the 1 type discharging tube B1 that flows through flows out external.

3. blood vessel drift rinser according to claim 1, its further characteristic is: bluff body and structure of nozzle; Bluff body comprises hydrojet end bluff body and drain side bluff body, is the liquid capsule that elastica constitutes, and is naturalness when not being injected into inflation fluid, and at this moment, bluff body can be walked in being cleaned blood vessel; When bluff body was injected into inflation fluid, support became the stopper in the blood vessel greatly, and this two stopper is limited in them between the two with cleanout fluid; The topping up structure of bluff body has two kinds: a kind of is to adopt the special inflation fluid pipeline that is parallel to feed pipe; Inflation fluid pipeline and feed pipe pipeline are all drawn from hydraulic pump; Each is with the break-make of a cock control liquid stream; After the bluff body topping up is accomplished obstruction, open the feed pipe switch again and wash; Another kind is to be communicated with feed pipe and bluff body with pipeline, and this connecting pipe diameter is much larger than nozzle diameter, so can at first be full of bluff body before the hydrojet, nozzle can also be made the threshold value nozzle.

4. blood vessel drift rinser according to claim 1, its further characteristic is: the effect of threshold value nozzle is: when hydraulic pressure was lower than this threshold value, cleanout fluid can not spray from nozzle; When hydraulic pressure was higher than this threshold value, cleanout fluid sprayed from nozzle, so; When the feed pipe feed flow, initial, the flow direction bluff body; After bluff body expanded completion, its internal hydraulic pressure raise and surpasses threshold value, and nozzle just can form the hydrojet that is higher than threshold pressure.Make the threshold value nozzle a lot of schemes are arranged: 1. cover thin film on the nozzle, perhaps nozzle bore does not drill fully, and nozzle was just breakdown when hydraulic pressure was higher than threshold value; 2. on sebific duct, prick a little pin hole and serve as nozzle; Or on sebific duct, scratch a radial little openning and serve as nozzle, like " ten " font, " * " font, " rice " font or the little openning of multi radiation more, openning is closed when pressure is not high; When pressure surpassed threshold value, openning was strutted.

5. blood vessel drift rinser according to claim 1; Its further characteristic is: actuator AB comprises outer tube nut actuator and interior pipe nut actuator, when the outer tube nut Ab4 of outer tube nut actuator rotates past moving right, and pipe back-up ring Ab3 in nut back-up ring Ab5 can push; Pipe back-up ring Ab3 and interior pipe move to right in making; Make shower nozzle C1 and leakage fluid dram F1 spacing dwindle, force and scrape pole G1, increase the scraping dynamics toward outside sweep; When pipe nut Ab8 rotated past moving left in the interior pipe nut actuator, it can push outer tube back-up ring Ab6 and outer tube moves to left, and makes shower nozzle C1 and leakage fluid dram F1 spacing dwindle, and forces to scrape pole G1 toward outside sweep, increases the scraping dynamics.

6. blood vessel drift rinser according to claim 1, its further characteristic is: comprise a kind of 2 type devices, promptly outer tube is that feed pipe, interior pipe are the blood vessel drift rinser of discharging tube; This device is made up of seal wire Q, hydraulic pump PA, 2 type feed pipe A2,2 type nozzle E2,2 type discharging tube B2,2 type leakage fluid dram F2, positive displacement pump PB, 2 type drain side bluff body N2,2 type hydrojet end bluff body M2 and actuator AB, and the zone between nozzle E2 and the leakage fluid dram F2 is a cleaning area, scrapes pole G2 with four functions and connects shower nozzle C2 and leakage fluid dram F2; 2 types are scraped pole G2 has four effects, and the one, connect shower nozzle C2 and leakage fluid dram F2, make both position relative fixed; The 2nd, serve as the pipeline that liquid is provided to drain side bluff body N2; The 3rd, can be some nozzle E2 in the above, closely wash drift, this is an option; Also can not do nozzle; The 4th, when back and forth rotating cleaning area, the drift of can swiping makes cleaning more easily with efficient; Actuator AB, bluff body, seal R, seal wire Q, hydraulic pump PA, positive displacement pump PB etc., function is identical with claim 2 with principle.

7. blood vessel drift rinser according to claim 1, its further characteristic is: comprise a kind of 3 type devices, promptly half the be feed pipe, half is the blood vessel drift rinser of discharging tube; In the middle of pipeline, do a partition, half is 3 type feed pipe A3, second half is 3 type discharging tube B3, other parts as: bluff body, nozzle, leakage fluid dram, to scrape functions such as pole, shower nozzle, seal R, seal wire Q identical with claim 2 with principle.

8. blood vessel drift rinser according to claim 1; Its further characteristic is: comprise a kind of 4 type devices; It is feed pipe and discharging tube blood vessel drift rinser independently mutually; 4 type feed pipe A4 and 4 type discharging tube B4 are independent mutually, and both get into from the two ends in district to be cleaned respectively, and 4 type nozzle E4 and 4 type leakage fluid dram F4 place the two ends in district to be cleaned respectively; 4 type feed pipe A4 have pipeline and 4 type nozzle end bluff body M4 UNICOM and feed flows, and 4 type leakage fluid dram F4 end bluff body N4 then provide inflation fluid through the inflation fluid supply pipe S4 of a special use; Place cardinal vein and leakage fluid dram F4 to place aorta nozzle E4, can clean the drift in the heart.

9. blood vessel drift rinser according to claim 1, its further characteristic is: feed pipe A* and discharging tube B* are the flexible pipes of macromolecular material, good bandability, intensity is high; It is indeformable that feed pipe A* can tolerate the pressure that hydraulic pump produces, and it is indeformable that discharging tube B* can tolerate the negative pressure that positive displacement pump produces.

10. blood vessel drift rinser according to claim 1, its further characteristic is: cleanout fluid is harmless and the liquid of dissolving blood vessel drift effect is arranged, comprises water and ethanol.

Images