CN1743017A - Transfusion pump without pump door - Google Patents
Transfusion pump without pump door Download PDFInfo
- Publication number
- CN1743017A CN1743017A CN 200510021803 CN200510021803A CN1743017A CN 1743017 A CN1743017 A CN 1743017A CN 200510021803 CN200510021803 CN 200510021803 CN 200510021803 A CN200510021803 A CN 200510021803A CN 1743017 A CN1743017 A CN 1743017A
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- pressing board
- pull bar
- transfusion
- infusion pump
- fixed panel
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Abstract
The infusion pump having no pump valve structure is composed of shell body and pump body structure, including peristaltic pump, bubble inductor, blockage inductor, fixed panel, movable press plate, elastic stretching/compressing mechanism and tube for transfusion. Said invention also provides their connecting and mounting mode, and provides the working principle of said infusion pump
Description
Technical field
The present invention relates to armarium, relate in particular to a kind of infusion pump of not having the pump door.
Background technology
The infusion pump of current use as shown in Figure 1, for making the infusion pump normal operation and guaranteeing transfusion safety, must have the bubble induction, block induction and positioner in the infusion pump; Because tube for transfusion is softish sebific duct, therefore, traditional infusion pump goes up and pushes down tube for transfusion in place for the clamping tube for transfusion at present, is provided with a pump door gear again.Infusion pump shown in Fig. 1 a, Fig. 1 b, Fig. 1 c during operation, catches keeper 13 that pump door 14 is drawn back earlier, pulls tube for transfusion and locatees respectively facing to liquid stopping clamp 15, bubble induction apparatus 23 and obstruction induction apparatus 22, then pump door 14 is closed, and compresses tube for transfusion with the pump door; After this, under the drive of peristaltic pump 24, when doing reciprocal wavy wriggling, will squeeze the liquid that pushes away in the tube for transfusion and inject in the human body at motor.There is following deficiency in infusion pump with pump door: because pump door 14 is to do fan-shaped rotation around the rotating shaft of the side that is positioned at the pump door, when closing pump door 14, the power that the pump door 14 of rotation is applied on the tube for transfusion is a tangential force, this tangential force can make tube for transfusion depart from liquid stopping clamp 15, bubble induction apparatus 23 and obstruction induction apparatus 22, be difficult to tube for transfusion is accurately located, therefore before closing the door, need be with pulling tube for transfusion facing to liquid stopping clamp 15, bubble induction apparatus 23 and obstruction induction apparatus 22 are located respectively, like this, the one, be difficult to realize clamping and location tube for transfusion, operate very loaded down with trivial details, the 2nd, when the clamping tube for transfusion, hands will touch induction apparatus and positioner, and is very inconvenient.
Summary of the invention
Technical problem to be solved by this invention is: a kind of infusion pump that the pump door gear can be realized the tube for transfusion clamping equally of not having is provided.
The present invention solves the problems of the technologies described above the technical scheme that is adopted to be:
A kind of infusion pump of not having the pump door comprises housing and pump body structure, and described pump body structure comprises fixed panel, peristaltic pump, bubble induction apparatus and block induction apparatus that fixed panel, peristaltic pump, bubble induction apparatus and obstruction induction apparatus are fixed in the housing; A movable pressing board that be arranged in parallel with fixed panel, and the one elastic stretching/compressing mechanism that is connected with described movable pressing board; Described elastic stretching/compressing mechanism is under the effect of external force, can drive described movable pressing board and do straight reciprocating motion along movable pressing board plane center line direction, open an energy tube for transfusion is inserted wherein slit so that make between described fixed panel and the movable pressing board, and closed described slit, so that described tube for transfusion is pressed between described fixed panel and the movable pressing board; On housing, be provided with corresponding to described gap position one with the suitable open slot of described gap size so that insert tube for transfusion in the slit that can between fixed panel and movable pressing board, open by open slot.
Further, described peristaltic pump is fixed on the end face of fixed panel; Described movable pressing board comprise one with the sizable pipe pressing plate of peristaltic pump, an and drop front; Described pipe pressing plate is sleeved in the described drop front and the corresponding position of peristaltic pump, and the end face of the two keeps same horizontal plane substantially; Described elastic stretching/compressing mechanism comprises: be connected with described pipe pressing plate and perpendicular to the pull bar of pipe pressing plate end face, the end of described pull bar and an actuation means pin joint; Described actuation means is arranged on described housing outside, is used for described pull bar is applied an external force, make described pull bar along pull rod shaft to moving linearly; Be sleeved on a top pressing board of described pull bar outside, described top pressing board is fixedlyed connected with described fixed body; Divide at least one pair of the big elastic component that is located at described pull bar both sides, described big elastic component is vertically mounted between the described pipe pressing plate back side and the described top pressing board, is used to compress described pipe pressing plate; And dividing at least one pair of the little elastic component that is located at described pull bar both sides, described little elastic component is vertically mounted between the described drop front back side and the described top pressing board, is used to compress described drop front.
Further, the pull bar outer cover between described top pressing board and described tie rod end is equipped with a guider, fixedlys connected between described guider and the described top pressing board.
Further, described actuation means is a centering type handle; As fulcrum, the short forearm end of the described fulcrum of distance is connected with described tie rod end by a pin described handle with its top, apart from described pivot and long big arm conduct control arm; When the described big arm of pulling, big arm is that supporting surface promotes described forearm end with the guider end face, thereby drives described pull bar moving linearly.
Further, described handle top is the flat-top of a slyness, makes described handle have auto-lock function.
Further, described actuation means is one to have inclined-plane spiral fluted handle, and the pin of described tie rod end is arranged in the described inclined-plane helicla flute; When the described handle of rotation, described pin can slide along described inclined-plane helicla flute, thereby drives the pull bar moving linearly.Described pipe pressing plate and described pull bar are structure as a whole; Described top pressing board and described guider are structure as a whole.Described pipe pressing plate and the employing of described pull bar are spirally connected fixing.
Further, establish a ledge structure at the end face of described drop front, when described ledge structure closed up described fixed panel and drop front, an accommodation space of laying described tube for transfusion was left in its inside.The two ends of fixed panel end face are provided with a limited post respectively, and the two ends of described open slot are respectively equipped with a draw-in groove; Described limited post cooperates with described draw-in groove, the positioner when form putting described tube for transfusion.
Beneficial technical effects of the present invention is:
1, by the movable pressing board parallel with fixed panel is set, described movable pressing board is connected one elastic stretching/compressing mechanism, when needs are packed tube for transfusion into, draw back movable pressing board by elastic stretching/compressing mechanism and tube for transfusion is inserted wherein slit so that between fixed panel and movable pressing board, open an energy, insert tube for transfusion by open slot in the slit, movable pressing board can be pressed on tube for transfusion between described fixed panel and the movable pressing board under the effect of the elastic force that elastic stretching/compressing mechanism applies then.The present invention is because the power that imposes on tube for transfusion by movable pressing board is the power on a kind of vertical direction, there is not tangential force, tube for transfusion can not produce inconsistent phenomenon, thereby need be with pulling tube for transfusion before movable pressing board compresses tube for transfusion facing to bubble induction apparatus and obstruction induction apparatus difference localization step, do not exist the sense of touch that catches to install and the problem of positioner, tube for transfusion can be located under the effect of elastic stretching/compressing mechanism fully automatically, realize disposable clamping, make the simple, convenient, quick, accurate of infusion pump, satisfied the demand of user.
2, in elastic stretching/compressing mechanism,, make the simple in structure, ingenious of elastic stretching/compression by at least one pair of big elastic component and a pair of little elastic component are set in the pull bar both sides.
3, actuation means adopts the centering type pull handle arrangement, utilizes lever principle, and is not only laborsaving but also simple in structure.Further, be arranged to slick and sly flat-top, make the function that self-locking has been arranged after drawing back at the top of handle.
Description of drawings
Fig. 1 a, b, c are for having the operation chart of infusion pump now;
Fig. 2 is the sketch map of the infusion pump of no pump door;
Fig. 3 is the infusion pump housing and the isolating sketch map of the pump housing of no pump door;
The structure chart of Fig. 4 during for the infusion pump of no pump door closure;
Structure chart when Fig. 5 opens for the infusion pump of no pump door;
Fig. 6 is the sketch map of drop front ledge structure;
Fig. 7 is centering type handle sketch map
Fig. 8 a, b, c, d are the infusion pump operation chart of no pump door;
Fig. 9 adopts the structure chart with inclined-plane helicla flute handle for actuation means.
The specific embodiment
With embodiment the present invention is described in further detail with reference to the accompanying drawings below:
A kind of infusion pump of not having the pump door, as Fig. 2, shown in Figure 3, identical with the traditional infusion pump is, and infusion pump comprises housing 1 and pump body structure 2, and pump body structure 2 is arranged in the housing 1.Referring to Fig. 4 and Fig. 5, pump body structure includes: motor 201, peristaltic pump 20, bubble induction apparatus 23, obstruction induction apparatus 22, and the fixed body 202 that is used for fixing parts such as motor 201, peristaltic pump 20, and be fixed on the fixed panel 21 of described fixed body 202 1 sides; The wriggling portion of described bubble induction apparatus 23, obstruction induction apparatus 22 and peristaltic pump 20 is set in parallel in the same end of fixed panel 21, when infusion pump is worked, tube for transfusion 40 is pressed in the end of described fixed panel 21 through wriggling portion, obstruction induction apparatus 22 and the bubble induction apparatus 23 of peristaltic pump 20; Different is with the traditional infusion pump, this infusion pump pump door of no use compresses tube for transfusion 40, but be provided with a mobile, described mobile comprises a movable pressing board 25 that is arranged on fixed panel 21 opposites, the end face of this movable pressing board 25 is parallel with the end face of fixed panel 21, the end face of movable pressing board 25 size is roughly consistent with the end face size of fixed panel 21, and the end face of movable pressing board 25 can close up with fixed panel 21 end faces; And the one elastic stretching/compressing mechanism that is connected with movable pressing board 25; Described elastic stretching/compressing mechanism can be under the effect of external force, pulling movable pressing board 25 is done straight reciprocating motion along the direction of movable pressing board 25 plane center lines, so that make between described fixed panel 21 and the movable pressing board 25 and to open an energy tube for transfusion 40 is inserted wherein slit 40, as shown in Figure 5; Perhaps by elastic force pushing movable pressing board 25, closed described slit 40 is pressed on described tube for transfusion 40 between described fixed panel 21 and the movable pressing board 25, shown in Fig. 7 c; And as shown in Figure 3, be provided with in the fore shell 11 of housing 1 and corresponding position, 40 position, described slit one with the suitable open slots 111 of described slit 40 sizes.Like this, when infusion pump is worked, pulling elastic stretching/compressing mechanism, make the pump housing open a slit 40, open slot 111 by fore shell is seated in tube for transfusion 40 between the end face of fixed panel 21 and movable pressing board 25, drive movable pressing board 25 by elastic stretching/compressing mechanism again, closed described slit 40 is pressed on tube for transfusion 40 between described fixed panel 21 and the movable pressing board 25; After this, peristaltic pump 20 can be pushed tube for transfusion 40 normal infusion, bubble induction apparatus 23,22 duties that can detect tube for transfusion 40 of obstruction induction apparatus.
This programme is in specific implementation, and the structure of the movable pressing board 25 of its movable part and elastic stretching/compressing mechanism are as shown in Figure 4.Described movable pressing board 25 comprise one with the sizable pipe pressing plate 252 of peristaltic pump 20 wriggling portions, an and drop front 251; Described pipe pressing plate 252 is sleeved in the described drop front 251 and peristaltic pump 20 corresponding positions, and pipe pressing plate 252 keeps same horizontal plane substantially with the end face of drop front 251, its effect is when infusion pump is worked, with the tube for transfusion 40 of pipe pressing plate 252 pressuring actions in peristaltic pump 20 parts, wriggling along with peristaltic pump 20, pipe pressing plate 252 can produce corresponding slight wriggling thereupon, and drop front 251 keeps the state that closes up with fixed panel 21 all the time.
Described elastic stretching/compressing mechanism comprises with the lower part: 1, with pipe pressing plate 252 an end faces vertical cylinder pull bar 26, being connected between pipe pressing plate and the pull bar can be integrally formed, also can be to be formed by connecting by fixture (as being spirally connected).2, an actuation means is as a handle 30, and actuation means is connected with the end of pull bar 26 by pin 261; Described actuation means must be arranged on described housing outside so that the operator applies an external force to described pull bar 26, make described pull bar 26 along pull rod shaft to moving linearly.3, be sleeved on the top pressing board 29 that described pull bar 26 outsides are positioned at the pull bar middle part, a side of described top pressing board 29 is connected with described fixed body 202.4, divide at least one pair of big elastic component and a pair of little elastic component that is located at the pull bar both sides, adopt big little spring during practical application, and big spring 27 adopts two pairs 4; Described 4 big springs 27 are vertically mounted between 4 angles, described pipe pressing plate 252 back sides and the described top pressing board 29, push against described pipe pressing plate 252 when being used for fixing panel 21 with movable pressing board 25 closures, tube for transfusion 40 is clamped between the wriggling portion and pipe pressing plate of peristaltic pump 20, avoids tube for transfusion 40 leakages; Described little spring 28 is vertically mounted between described drop front 251 back sides and the described top pressing board 29, be used to push against described drop front 251 equally, fixed panel 21 and drop front 251 are remained close up state, like this, can make the obstruction induction apparatus 22 and the tube for transfusion between the drop front 251 40 that are clipped on the fixed panel 21 keep a normal operating pressure, detect normally so that block 22 pairs of tube for transfusions 40 of induction apparatus.5, the pull bar outer cover between the end of top pressing board 29 and pull bar 26 is equipped with a guider 291, fixedlys connected between this guider 291 and the described top pressing board 29, described fixedly connected can be integrally formed, also can be to be formed by connecting by fixture.
In actual applications, actuation means can adopt various ways, and the actuation means that the technical program adopts is a centering type handle 30; This handle utilizes lever principle, and as shown in Figure 7, as fulcrum o, the short a section of the described fulcrum o of distance is a forearm with the handle top, and the long b section of the described fulcrum o of distance is big arm; The end of forearm is connected with described pull bar 26 ends by a pin 261, and big arm is as controlling arm; When the described big arm of counterclockwise pulling, fulcrum o is that supporting surface promotes described forearm end with guider 291 end faces, the center of circle of pin 261 moves forward along the pull bar axis direction, drive described pull bar 26 moving linearlies, thereby riser pressing plate 252 pushes drop front 251 and makes between fixed panel 21 and pipe pressing plate 252 and the drop front 251 and open a slit 40, tube for transfusion 40 can be inserted wherein; When this centering type handle 30 that turns clockwise resetted handle, pipe pressing plate 252 was pressed on the tube for transfusion 40 resetting under the effect of four big springs 27, and drop front 251 resets under the effect of two little springs 28 and fixed panel 21 closures, makes the slit closure.Described handle 30 tops are the flat-top of a slyness, have auto-lock function after described handle 30 is drawn back.
When tube for transfusion 40 being installed for making, tube for transfusion 40 can be spacing at bubble induction apparatus 23 with block between the induction apparatus 22, in the end face upper and lower part of fixed panel 21 limited post 211 is set respectively, and be respectively equipped with a draw-in groove 112 at the two ends of the open slot 111 of fore shell; Limited post 211 cooperates with draw-in groove 112, the positioner when form putting described tube for transfusion 40, the location when being used for tube for transfusion 40 and laying; Also establish a step 2511 at the end face of described drop front 251, when described step 2511 closed up fixed panel 21 and drop front 251, the accommodation space that tube for transfusion 40 is laid in a location was left in its inside.
The infusion pump work process of structure of the present invention shown in Fig. 8 a, b, c, the d.Handle 30 is spent by draw back 90 as Fig. 8 a, Fig. 8 b direction; Handle 30 pulling pull bars 26 make big spring 27 compression, and pull bar 26 riser pressing plates 252 also drag drop front 251 and make it to open, and little spring 28 is compressed; Be ready to tube for transfusion 40, two and pull straight tube for transfusion 40 and put in the slit 40, and tube for transfusion 40 is snapped into draw-in groove 112 places, bottom; Then, shown in Fig. 8 c, put down handle 30, big spring 27 stretches and holds out against pipe pressing plate 252, in order to avoid tube for transfusion 40 leakages, little spring 28 also holds out against drop front 251 and makes it the closure that resets, and slit 40 closures are shown in Fig. 8 d; After this, the button on the operation control panel 13 and data are set get final product work.This shows that infusion pump of the present invention has been cancelled the pump door gear, without hands touch induction device and positioner, tube for transfusion 40 can be located fully automatically, realizes disposable clamping, make the simple, convenient, quick, accurate of infusion pump, thereby satisfied the demand of user.
In actual applications, described actuation means can also be made a handle 31 with inclined-plane helicla flute 311, and as shown in Figure 9, the pin 261 of described pull bar 26 ends is arranged in the described inclined-plane helicla flute 311; When the described handle 31 of rotation, described pin 261 can slide along described inclined-plane helicla flute 311, thereby drives pull bar 26 moving linearlies.
Should be understood that, the infusion pump of no pump door of the present invention, above-mentioned description at preferred embodiment is too concrete, can not therefore be interpreted as the restriction to scope of patent protection of the present invention.
Claims (10)
1, a kind of infusion pump of not having the pump door comprises housing and pump body structure, and described pump body structure comprises fixed panel, peristaltic pump, bubble induction apparatus and block induction apparatus that fixed panel, peristaltic pump, bubble induction apparatus and obstruction induction apparatus are fixed in the housing; It is characterized in that: also comprise a movable pressing board that be arranged in parallel with described fixed panel, and the one elastic stretching/compressing mechanism that is connected with described movable pressing board; Described elastic stretching/compressing mechanism is under the effect of external force, can drive described movable pressing board and do straight reciprocating motion along movable pressing board plane center line direction, open an energy tube for transfusion is inserted wherein slit so that make between described fixed panel and the movable pressing board, and closed described slit, so that described tube for transfusion is pressed between described fixed panel and the movable pressing board; On housing, be provided with corresponding to described gap position one with the suitable open slot of described gap size so that insert tube for transfusion in the slit that can between fixed panel and movable pressing board, open by open slot.
2, infusion pump according to claim 1 is characterized in that: described peristaltic pump is fixed on the end face of fixed panel; Described movable pressing board comprise one with the sizable pipe pressing plate of peristaltic pump, an and drop front; Described pipe pressing plate is sleeved in the described drop front and the corresponding position of peristaltic pump, and the end face of the two keeps same horizontal plane substantially;
Described elastic stretching/compressing mechanism comprises: be connected with described pipe pressing plate and perpendicular to the pull bar of pipe pressing plate end face, the end of described pull bar and an actuation means pin joint; Described actuation means is arranged on described housing outside, is used for described pull bar is applied an external force, make described pull bar along pull rod shaft to moving linearly;
Be sleeved on a top pressing board of described pull bar outside, described top pressing board is fixedlyed connected with described fixed body;
Divide at least one pair of the big elastic component that is located at described pull bar both sides, described big elastic component is vertically mounted between the described pipe pressing plate back side and the described top pressing board, is used to compress described pipe pressing plate; And dividing at least one pair of the little elastic component that is located at described pull bar both sides, described little elastic component is vertically mounted between the described drop front back side and the described top pressing board, is used to compress described drop front.
3, infusion pump according to claim 2 is characterized in that: the pull bar outer cover between described top pressing board and described tie rod end is equipped with a guider, fixedlys connected between described guider and the described top pressing board.
4, infusion pump according to claim 3 is characterized in that: described actuation means is a centering type handle; As fulcrum, the short forearm end of the described fulcrum of distance is connected with described tie rod end by a pin described handle with its top, apart from described pivot and long big arm conduct control arm; When the described big arm of pulling, big arm is that supporting surface promotes described forearm end with the guider end face, thereby drives described pull bar moving linearly.
5, infusion pump according to claim 4 is characterized in that: described handle top is the flat-top of a slyness, makes described handle have auto-lock function.
6, infusion pump according to claim 3 is characterized in that: described actuation means is one to have inclined-plane spiral fluted handle, and the pin of described tie rod end is arranged in the described inclined-plane helicla flute; When the described handle of rotation, described pin can slide along described inclined-plane helicla flute, thereby drives the pull bar moving linearly.
7, infusion pump according to claim 6 is characterized in that: described pipe pressing plate and described pull bar are structure as a whole; Described top pressing board and described guider are structure as a whole.
8, infusion pump according to claim 6 is characterized in that: described pipe pressing plate and the employing of described pull bar are spirally connected fixing.
9, according to the described infusion pump of the arbitrary claim of claim 2 to 8, it is characterized in that: establish a ledge structure at the end face of described drop front, when described ledge structure closed up described fixed panel and drop front, an accommodation space of laying described tube for transfusion was left in its inside.
10, infusion pump according to claim 9 is characterized in that: the two ends of described fixed panel end face are provided with a limited post respectively, and the two ends of described open slot are respectively equipped with a draw-in groove; Described limited post cooperates with described draw-in groove, the positioner when form putting described tube for transfusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100218036A CN100371035C (en) | 2005-09-30 | 2005-09-30 | Transfusion pump without pump door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100218036A CN100371035C (en) | 2005-09-30 | 2005-09-30 | Transfusion pump without pump door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1743017A true CN1743017A (en) | 2006-03-08 |
| CN100371035C CN100371035C (en) | 2008-02-27 |
Family
ID=36138640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100218036A Active CN100371035C (en) | 2005-09-30 | 2005-09-30 | Transfusion pump without pump door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100371035C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101785887B (en) * | 2009-01-22 | 2013-06-26 | 深圳市深科医疗器械技术开发有限公司 | Automatic infusion pump |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4836752A (en) * | 1987-11-02 | 1989-06-06 | Fisher Scientific Company | Partial restriction detector |
| CN2032888U (en) * | 1988-07-07 | 1989-02-22 | 上海电表厂 | Wriggling infusion pump with microcomputer |
| US5261884A (en) * | 1992-04-29 | 1993-11-16 | Becton, Dickinson And Company | Syringe pump control system |
| CN2208935Y (en) * | 1994-11-02 | 1995-10-04 | 李鸿德 | Intelligent transfusion pump |
| CN2379139Y (en) * | 1999-06-18 | 2000-05-24 | 高晶敏 | Automatic infusion device having position liminating means |
-
2005
- 2005-09-30 CN CNB2005100218036A patent/CN100371035C/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101785887B (en) * | 2009-01-22 | 2013-06-26 | 深圳市深科医疗器械技术开发有限公司 | Automatic infusion pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100371035C (en) | 2008-02-27 |
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Address after: MINDRAY No. 1203 518000 light production base in Guangdong province Shenzhen Guangming Street South Yu Tong Road No. 2 building, 5 floor Patentee after: Shenzhen MINDRAY Technology Co., Ltd. Address before: 518057 8 buildings 615 Bagua road two, Shenzhen, Guangdong, Futian District Patentee before: Shengke Medical Instrument Technology Development Co., Ltd., Shenzhen City |
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