CN103672020A - Heat exchange water tank hand valve of artificial heart-lung machine - Google Patents
Heat exchange water tank hand valve of artificial heart-lung machine Download PDFInfo
- Publication number
- CN103672020A CN103672020A CN201210325284.2A CN201210325284A CN103672020A CN 103672020 A CN103672020 A CN 103672020A CN 201210325284 A CN201210325284 A CN 201210325284A CN 103672020 A CN103672020 A CN 103672020A
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- China
- Prior art keywords
- water tank
- water
- connecting plate
- valve body
- heat exchange
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
Abstract
The invention relates to a heat exchange water tank hand valve of an artificial heart-lung machine and belongs to the field of medical equipment. Water circulation control is achieved through the heat exchange water tank hand valve of the artificial heart-lung machine so as to change the situation that two hand valves are needed for control currently. The hand valve comprises a valve element, a valve body, a left connector, a left connecting plate, a right connecting plate, a right connector, a bent connector, an upper cover, a lower cover, a handle, a pin, a positioning screw, a bolt and a sealing gasket. A plurality of holes are formed in the lateral side of the valve body, are connected with the left connector, the left connecting plate, the right connecting plate, the right connector and the bent connector respectively and are connected with a cold water tank, a water pump, a hot water tank, a water outlet nozzle, a water return nozzle and the like through water pipes. Corresponding holes are formed in the valve element. When the valve element is driven by the handle to arrive at a corresponding position, the holes in the valve element are communicated with the corresponding holes in the valve body. Internal circulation of circulating water, the refrigerating cycle of an external thermode and the heating cycle of the external thermode are respectively completed.
Description
(1) technical field:
The present invention relates to a kind of heat exchange water tank of artificial heart-lung machine hand valve, belong to field of medical.
(2) background technique:
Heat exchange water tank of artificial heart-lung machine is during for cardiac operation and perfusion medical science extracorporal circulatory system to be the medical apparatus of human body blood cooling, rewarming.Heat exchange water tank of artificial heart-lung machine is mainly need to provide cold/hot water according to operation.Heat exchange water tank of artificial heart-lung machine adopts two hand valves to control respectively cold cycling and inner-outer circulation when controlling water circulation at present, need to pull two hand valves during control, operates more loaded down with trivial details.Now adopt singlehanded valve to control, not only can realize original function, and cost-saving, simplify the operation, save space.
(3) summary of the invention:
The object of the invention is to design the water circulation that a kind of heat exchange water tank of artificial heart-lung machine hand valve is realized heat exchange water tank of artificial heart-lung machine, change two hand valves of current needs and realize the situation that water circulation is controlled.
Hand valve is comprised of spool, valve body, left connecting head, left connecting plate, right connecting plate, right connecting head, elbow connection, upper cover, lower cover, handle, pin, positioning screwn, bolt, sealing gasket etc.Hand valve is connected with cold water tank, water pump, thermal water storage tank, water outlet, backwater mouth etc. by water pipe.Complete respectively the interior circulation of circulating water, outside thermode refrigeration cycle, outside thermode and heat circulation.
Valve outer surface is cuboid shape, and inside has through hole.On valve body side, have some holes, be connected with left connecting head, left connecting plate, right connecting plate, right connecting head, elbow connection respectively.
Spool is cylindrical, is placed in the interior bone of valve body.Spool is fixed by pin and handle, by handle, is driven and is turned to diverse location at valve inner.On spool, also have corresponding hole, when handle band movable valve plug arrives corresponding position, the hole corresponding with valve body starts to connect, and corresponding water route connects, and realizes different waterway circulatings.
Valve body lower portion is provided with lower cover, and valve body top is provided with upper cover.Upper covering, have V-type groove.Positioning screwn is installed in spool relevant position, and location is realized on positioning screwn both sides by V-type groove when along with Spool rotating.Hand valve is fixed by tapped hole and the panel on valve body top.At upper cover, lower cover etc., needing sealing place that sealing gasket is all installed seals.
The water route of hand valve connects: left connecting head is connected with water pump by water pipe, and left connecting plate is connected with thermal water storage tank by water pipe, and right connecting plate is connected with cold water tank by water pipe.Right connecting head is connected with water outlet by water pipe.Elbow connection is connected with backwater mouth by water pipe.Cold water tank is connected with water pump by water pipe.Thermal water storage tank is connected with water pump by water pipe.
Hand valve is divided into three gears and is respectively " interior ", " cold ", " heat ".When handle wrench during to " interior " circulating water carry out interior circulation, now the through hole at spool middle part is with the hole of the upper left connecting plate of valve body, the perforation of the hole of right connecting plate, the top of spool and the hole of bottom and valve body are obstructed.Water circulation path is: hand valve, thermal water storage tank (by left connecting plate), water pump, cold water tank, hand valve (by right connecting plate).
When handle wrench arrives " cold ", circulating water carries out outside thermode refrigeration cycle, is mainly used in to the blood of human body cooling in thermode.Now on the hole on spool top and valve body the hole of elbow connection, the hole of right connecting plate communicate.The hole of spool bottom and left connecting plate, right connecting head communicate.Water circulation path is: hand valve, cold water tank (by right connecting plate), water pump, thermal water storage tank, hand valve (by left connecting plate), water outlet (by right connecting head), backwater mouth (passing through elbow connection).
When handle wrench arrives " heat ", circulating water carries out outside thermode and heats circulation, is mainly used in heating up to the blood of human body in thermode.The hole of elbow connection on the hole on spool top and valve body, the hole of left connecting head communicate.The hole of spool bottom and left connecting plate, right connecting head communicate.Water circulation path is: hand valve, water outlet (by right connecting head), backwater mouth (passing through elbow connection), water pump (by left connecting head), thermal water storage tank, hand valve (by left connecting plate).
The present invention can complete required function by a hand valve, has not only reduced part, saves space, cost-saving, and simplifies the operation.
(4) accompanying drawing explanation:
Fig. 1 is hand valve arrangement figure.
Fig. 2 is spool.
Fig. 3 is water route connection diagram
Water circulation path figure when Fig. 4 is hand valve sensing " interior ".
Water circulation path figure when Fig. 5 is hand valve sensing " cold ".
Water circulation path figure when Fig. 6 is hand valve sensing " heat ".
(5) embodiment:
Embodiment: hand valve is comprised of spool 1, upper cover 2, valve body 3, left connecting head 4, left connecting plate 5, handle 6, pin 7, positioning screwn 8, elbow connection 9, right connecting plate 10, right connecting head 11, sealing gasket 12, lower cover 13, bolt 14 etc. as shown in Figure 1.
On valve body 3, have some holes, be connected with left connecting head 4, left connecting plate 5, right connecting plate 10, right connecting head 11, elbow connection 9 respectively.Be illustrated in figure 2 the structural drawing of spool 1.At spool 1 middle part, have a through hole, corresponding with valve body 3 mider holes.In spool 1 bottom, have two through holes symmetrical centered by mider hole, corresponding with valve body 3 lower holes.On spool 1 top, have the slotted hole in 90 ° with mider hole, corresponding with the hole that elbow connection is installed on valve body 3.On valve body 3 tops, opening two holes and slotted hole perforation with lower hole opposite position simultaneously.
Spool 1 is fixing with handle 6 by pin 7, by handle 6, driven in valve body 3 inner rotation to diverse location, and the hole corresponding with valve body 3 perforation.Realize different waterway circulatings.Valve body 3 bottoms are provided with lower cover 13.Valve body 3 tops are provided with upper cover 2.On upper cover 2, have V-type groove.In spool 1 relevant position, positioning screwn 8 is installed, positioning screwn 8 is realized positioning action by the both sides of V-type groove when along with spool 1 rotation.Hand valve is fixed by tapped hole and the water tank panel on valve body 3 tops.At upper cover 2, lower cover 3 etc., needing sealing place that sealing gasket is all installed seals.
The water route of hand valve connects as shown in Figure 3: left connecting head 4 is connected with water pump by water pipe, and left connecting plate 5 is connected with thermal water storage tank by water pipe, and right connecting plate 10 is connected with cold water tank by water pipe.Right connecting head 11 is connected with water outlet by water pipe.Elbow connection 9 is connected with backwater mouth by water pipe.Cold water tank is connected with water pump by water pipe.Thermal water storage tank is connected with water pump by water pipe.
Hand valve is divided into three gears and is respectively " interior ", " cold ", " heat ".Fig. 4 is interior circulation waterway figure.Now handle 6 is pulled " interior " gear, and circulating water, in water tank inner loop, is mainly used in lowering the temperature in advance before operation.Now the through hole at spool 1 middle part and the hole of the upper left connecting plate 5 of valve body 3 are, the hole of right connecting plate 10 connects, and the top of spool 1 and the hole of bottom and valve body 3 are obstructed.Water circulation path is: hand valve, thermal water storage tank (by left connecting plate), water pump, cold water tank, hand valve (by right connecting plate).
When handle 6 is pulled " cold ", circulating water carries out outside thermode refrigeration cycle, for giving the cooling of thermode blood of human body.Now on the hole on spool 1 top and valve body 3 hole of elbow connection 9, the hole of right connecting plate 10 communicate.The hole of spool 1 bottom and left connecting plate 5, right connecting head 11 communicate.Water circulation path is: hand valve, cold water tank (by right connecting plate), water pump, thermal water storage tank, hand valve (by left connecting plate), water outlet (by right connecting head), backwater mouth (passing through elbow connection).
When handle wrench arrives " heat ", circulating water carries out outside thermode and heats circulation, for heating up to the blood of human body of thermode.The hole of elbow connection 9 on the hole on spool 1 top and valve body 3, the hole of left connecting head 4 communicate.The hole of spool 1 bottom and left connecting plate 5, right connecting head 11 communicate.Water circulation path is: hand valve, water outlet (by right connecting head), backwater mouth (passing through elbow connection), water pump (by left connecting head), thermal water storage tank, hand valve (by left connecting plate).
This hand valve has completed the required water circulation of heat exchange water tank of artificial heart-lung machine and has controlled function, compares with the system that needs before two hand valves to control, and structure is more simple, be easy to realize, easy to operate.
Claims (5)
- Claim:1. a heat exchange water tank of artificial heart-lung machine hand valve, it is characterized in that hand valve is comprised of spool, valve body, left connecting head, left connecting plate, right connecting plate, right connecting head, elbow connection, upper cover, lower cover, handle, pin, positioning screwn, bolt, sealing gasket etc., and be connected with cold water tank, water pump, thermal water storage tank, water outlet, backwater mouth etc., when handle band movable valve plug is during to diverse location, the spool hole corresponding with valve body connects, and completes respectively the interior circulation of circulating water, outside thermode refrigeration cycle, outside thermode and heats circulation.
- 2. heat exchange water tank of artificial heart-lung machine hand valve according to claim 1, it is characterized in that valve body side has some holes, be connected with left connecting head, left connecting plate, right connecting plate, right connecting head, elbow connection etc., and be connected with cold water tank, water pump, thermal water storage tank, water outlet, backwater mouth etc. by water pipe.
- 3. heat exchange water tank of artificial heart-lung machine hand valve according to claim 1, is characterized in that having on spool the different holes corresponding with valve body.
- 4. heat exchange water tank of artificial heart-lung machine hand valve according to claim 1, is characterized in that connecting with the corresponding hole of valve body respectively during at diverse location when spool, completes different waterway circulatings.
- 5. heat exchange water tank of artificial heart-lung machine hand valve according to claim 1, is characterized in that having V-type groove upper covering, and the realization by V-type groove when the positioning screwn on spool relevant position rotates is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210325284.2A CN103672020A (en) | 2012-09-06 | 2012-09-06 | Heat exchange water tank hand valve of artificial heart-lung machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210325284.2A CN103672020A (en) | 2012-09-06 | 2012-09-06 | Heat exchange water tank hand valve of artificial heart-lung machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103672020A true CN103672020A (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210325284.2A Pending CN103672020A (en) | 2012-09-06 | 2012-09-06 | Heat exchange water tank hand valve of artificial heart-lung machine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994003266A1 (en) * | 1992-08-03 | 1994-02-17 | Maloney James V Jr | Improved mass and thermal transfer means for use in heart lung machines, dialyzers, and other applications |
| US20040097861A1 (en) * | 2002-11-07 | 2004-05-20 | Shigemasa Osaki | Artificial heart-lung apparatus |
| CN2830828Y (en) * | 2005-03-25 | 2006-10-25 | 黄兴耀 | Full automatic shaft-type multi-way control valve |
| WO2011045011A1 (en) * | 2009-10-12 | 2011-04-21 | Universitätsklinikum Freiburg | Device for treating an individual suffering from cardiac insufficiency, cardiac arrest, circulatory arrest or stroke |
| CN201910614U (en) * | 2011-01-17 | 2011-07-27 | 天津汇康医用设备有限公司 | Over-temperature alarm and protection device for heat exchange water tank of artificial heart-lung machine |
-
2012
- 2012-09-06 CN CN201210325284.2A patent/CN103672020A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994003266A1 (en) * | 1992-08-03 | 1994-02-17 | Maloney James V Jr | Improved mass and thermal transfer means for use in heart lung machines, dialyzers, and other applications |
| US20040097861A1 (en) * | 2002-11-07 | 2004-05-20 | Shigemasa Osaki | Artificial heart-lung apparatus |
| CN2830828Y (en) * | 2005-03-25 | 2006-10-25 | 黄兴耀 | Full automatic shaft-type multi-way control valve |
| WO2011045011A1 (en) * | 2009-10-12 | 2011-04-21 | Universitätsklinikum Freiburg | Device for treating an individual suffering from cardiac insufficiency, cardiac arrest, circulatory arrest or stroke |
| CN201910614U (en) * | 2011-01-17 | 2011-07-27 | 天津汇康医用设备有限公司 | Over-temperature alarm and protection device for heat exchange water tank of artificial heart-lung machine |
Non-Patent Citations (1)
| Title |
|---|
| 方国新；龙其生: "体外循环期间突遇停电或热交换水箱失灵应急替代", 《医疗卫生装备》, no. 02, 28 February 1995 (1995-02-28), pages 44 - 45 * |
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Application publication date: 20140326 |