CN104324432A - Infusion pump with error-loading-preventing device - Google Patents

Infusion pump with error-loading-preventing device Download PDF

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Publication number
CN104324432A
CN104324432A CN201310308656.5A CN201310308656A CN104324432A CN 104324432 A CN104324432 A CN 104324432A CN 201310308656 A CN201310308656 A CN 201310308656A CN 104324432 A CN104324432 A CN 104324432A
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CN
China
Prior art keywords
door
infusion pump
sliding clamp
sensor
locked component
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201310308656.5A
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Chinese (zh)
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CN104324432B (en
Inventor
林彰焱
姚念龙
孙国杰
H·朱
干晶
林军
林彰忠
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Baxter Healthcare SA
Baxter International Inc
Original Assignee
Baxter Healthcare SA
Baxter International Inc
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Application filed by Baxter Healthcare SA, Baxter International Inc filed Critical Baxter Healthcare SA
Priority to CN201310308656.5A priority Critical patent/CN104324432B/en
Publication of CN104324432A publication Critical patent/CN104324432A/en
Priority to HK15106917.0A priority patent/HK1206290A1/en
Application granted granted Critical
Publication of CN104324432B publication Critical patent/CN104324432B/en
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142Pressure infusion, e.g. using pumps

Abstract

The invention relates to an infusion pump with an error-loading-preventing device. The infusion pump comprises a shell and a door; a groove part is defined by the shell and used for receiving a sliding clamp; the door is movably connected to the shell and can move between an opening position and a closing position. A locking pin is movably connected to the shell and configured to be connected with the sliding clamp of a feeding device. The locking pin can move between a locking position and an unlocking device; at the locking position, the sliding clamp is connected into the groove part through the locking pin; and at the unlocking position, the locking pin breaks away from the sliding clamp. The locking pin is moved to the locking position when the door is moved to the opening position, and the sliding clamp is fixed into the groove part; and the locking pin is moved to the unlocking position when the door is moved to the closing position, and the sliding clamp is released from the groove part. The infusion pump further comprises a feeding device error loading sensor.

Description

Comprise the infusion pump of anti-error year device
Technical field
The present invention relates to a kind of system for preventing transfusion system to carry by mistake, and relate more specifically to so a kind of system, it comprises the anti-error year device making feeder unit correctly can be connected to infusion pump.
Background technology
The fluid comprising nutrient substance and medicine is delivered to patient by transfusion system.This system comprises pump, and described pump is programmed thus supplies these fluid at the interval of specifying to patient with predetermined metering.The mistake that fluid is fed by transfusion system can be caused by a lot of reasons, comprises and feeder unit mistake is carried or be connected to system by mistake.These problems can cause excessively infusing to patient or deficiency of infusing, miss treatment or delay treatment, and above problem can the health of appreciable impact patient and rehabilitation.Therefore, built vertical guide is to strengthen the safety of transfusion system.
Clinicist usually performs several safety inspection (such as " line management " or " circuit tracking ") and connects by mistake to assist to eliminate or carry by mistake.Especially along with the complexity of the overall transfusion system of patient improves, set up this transfusion system and detailed connection management program increases time burden to clinicist, and easily occur mistake.That is, the multiple feeder units in transfusion system, medicine, node, access interface, pump channel improve the time quantum carried out needed for transfusion system safety inspection, and introduce the chance of extra appearance mistake.
Therefore, a kind of feeder unit of assisting while reducing mistake is needed correctly to be connected to the system of transfusion system.
Summary of the invention
This infusion pump comprises anti-error year device, and within described anti-error year, device guides feeder unit to be correctly connected to infusion pump while help minimizes mistake.
In embodiments, the feeder unit be provided for by having sliding clamp transmits the infusion pump of fluid, and wherein said pump comprises: the housing being limited with groove portion, and described groove portion is disposed for receiving sliding clamp; Be connected to the door of housing movably, wherein said door can move between open and closed positions.Stop pin is connected to housing movably and is configured to engaging slide fixture.Described stop pin can move between latched position and off-position, and in described latched position, stop pin engaging slide fixture and be fixed in groove by described sliding clamp, in described off-position, stop pin is disengaged from sliding clamp.In operation, when door moves to open position, stop pin moves to latched position and is fixed in groove portion by sliding clamp, and when door moves to closed position, stop pin moves to off-position and discharged from groove portion by sliding clamp.
In another embodiment, be provided for the infusion pump being transmitted fluid by the conduit of feeder unit, wherein pump comprises housing and is mounted to the pumping mechanism of housing.Pumping mechanism comprises: multiple pumping finger, in order, reciprocally moving the motor of described multiple pumping finger, and is configured in sensor conduit being detected when conduit is correctly mounted on pumping mechanism.When sensor does not detect the conduit be arranged on pumping mechanism, described sensor makes motor stop operating.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the infusion pump of the embodiment illustrated according to the application;
Fig. 2 is the axonometric chart of the infusion pump of the Fig. 1 illustrated in door situation in an open position;
Fig. 3 is the axonometric chart of the embodiment of the feeder unit that the infusion pump being connected to Fig. 1 is shown;
Fig. 4 is the partial perspective view of the conduit of the feeder unit that Fig. 3 is shown, described conduit passes the sliding clamp of the infusion pump of Fig. 1 and clamped by sliding clamp;
Fig. 5 is the sectional view that the infusion pump cardinal principle 5-5 along the line of Fig. 1 obtains;
Fig. 6 is mounted in the amplification stereogram of the embodiment of the clamp fixing mechanism in the infusion pump of Fig. 1;
Fig. 7 is the amplification partial top view of clamp fixing mechanism under stop pin is in off-position situation of Fig. 6;
Fig. 8 is the amplification partial top view of clamp fixing mechanism under stop pin is in latched position situation of Fig. 6;
Fig. 9 is the partial front elevation view of the pumping mechanism of the infusion pump of Fig. 1;
Figure 10 illustrates that the pumping mechanism of Fig. 9 does not contact the partial front elevation view in situation with the pumping mechanism of Fig. 9 in a part for the conduit of feeder unit;
Figure 11 is the partial sectional view that the pumping mechanism cardinal principle 11-11 along the line of Fig. 9 obtains, and illustrates that sensor is in primary importance; And
Figure 12 is the partial sectional view that the pumping mechanism cardinal principle 11-11 along the line of Fig. 9 obtains, and illustrates that sensor is in the second position.
Detailed description of the invention
With reference to Fig. 1-8, the infusion delivery system comprising infusion pump 50 for scheduled volume and regular time intervals to patient's conveyance fluid (such as medicine or nutrient substance).Infusion pump 50 can be small portable pump or larger pump, the U.S. Patent No. 5,018 be such as incorporated by reference herein, infusion pump disclosed in 945.As shown in Figure 1, infusion pump 50 comprise housing 52, the input equipment such as display 56 and keyboard 58 be pivotally connected on the door 54 of housing and door.Display 56 and keyboard 58 for programming to infusion pump, and more specifically give programming for the processor 60 setting dose of fluid delivered and interval in pump, and described processor communicates with pumping mechanism 62 then.
Fluid is flow to infusion pump 50 by fluid feeder unit 64 as shown in Figure 3 and is flowed out from described infusion pump.By making a part of placement of route of the conduit 66 of feeder unit 64 between door 54 and housing 52, feeder unit 64 is attached to pump 50.Preferably, feeder unit 64 comprises: drip room 68, it is directly connected to fluid container (not shown), such as fluid pouch used for intravenous injection; Sliding clamp 70, it is for clamping a part for conduit 66 and controlling the flowing of fluid by conduit; Roller fixture 72, it is also for controlling the flowing of fluid; Breeches joint 74; And latch fitting or Rule sliding lock part 76 are revolved in Rule, it is in feeder unit 64 one end, and Rule latch fitting is connected to and inserts the needle tubing of patient herein, with to patient's conveyance fluid.The part of feeder unit conduit 66 and more specifically the part of conduit 66 between sliding clamp 70 and roller fixture 72 be inserted into the passage 78 that limited by housing 52 and be arranged in above pumping mechanism 62.As mentioned below, pumping mechanism 62 comprises one group of reciprocating pumping finger 80, and described pumping finger contact conduit 66, to control the Fluid Volume being delivered to patient.
During feeding fluid to patient, it is essential and prevent fluids free flow from moving to patient.When allowing fluid to flow to patient without restriction, free-flow occurs, thus causes too much fluid to be supplied to patient, namely excessively infuses.For assisting anti-fluid by the free-flow of feeder unit 64, sliding clamp 70 is affixed to the conduit 66 of feeder unit.As shown in Figure 4, sliding clamp 70 comprises the body 82 with central opening 84, and described central opening has wide portion 86 and narrow portion 88.Conduit 66 is moved into the narrow portion 88 of sliding clamp opening 84, so that clamping or about beam guide tube and anti-fluid are by the free-flow of conduit.This is when inserting or be otherwise affixed to infusion pump 50 with to especially most important when patient's conveyance fluid by feeder unit 64.Particularly, during the initial setting of infusion pump 50, door 54 moves to open position as shown in Figure 2 from closed position as described in figures 1 and 5.When door 54 is in an open position, not controlled by infusion pump 50 by the flowing of the fluid of conduit 66 and therefore fluid freely can be flowed by conduit.Therefore, if conduit 66 that part in the narrow portion 88 of opening 84 by mistake moves into wide portion 86 At All Other Times during the initial setting of pump 50 or in an open position any of door 54, so the free-flow of fluid will occur.
Be not intended to for assisting anti-fluid or by accident by conduit 66 free-flow to patient, this infusion pump 50 has and prevents free-pouring characteristic.Particularly, housing 52 comprises the groove portion 90 being configured to the sliding clamp 70 received as shown in Figure 2.Sliding clamp 70 is inserted into groove portion 90, with the wide portion 86 making conduit 66 be prevented from moving into or slipping into opening 84 downwards by housing 52 through that part of sliding clamp.For guaranteeing that sliding clamp 70 maintains in groove portion 90 when door 54 is in an open position, infusion pump 50 comprises clamping locking mechanism 92, and sliding clamp 70 is fixed and is locked to housing 52, until door 54 moves to closed position by described clamping locking mechanism.
With reference to Fig. 5-6, clamping locking mechanism 92 comprises framework 94, and described framework is formed by relative multiple sidewalls 96 and rear wall 98, and wherein each sidewall comprises rear flange 100, and described rear flange is connected to rear wall 98 by suitable securing member.Similarly, each sidewall 96 comprises front flange 102a, 102b respectively, and wherein front flange 102a is fixed to the inner surface of housing 52, and front flange 102b is connected to fixed component 104 by suitable securing member.Front flange 102b also comprises multiple frame bars 106, and described frame bars is engaged in the respective aperture (not shown) limited by housing 52, for by position for framework 94.
Fixed component 104 comprises housing 108, and described housing has upper end 110 and lower end 112 and limits passage 114, and described passage is configured to the door locked component 116 receiving L shape, and described door locked component is connected to housing 52 movably.Door locked component 116 has the first wall 118 and second wall 120 smooth relative to the cardinal principle of the first wall transverse direction.Second wall 120 limits multiple opening 122, and described multiple opening comprises the first lock opening 124a and the second lock opening 124b.Each in first and second lock opening 124a, 124b comprises top 126a, the 126b with first curvature radius and semicircular-shaped lower portion 128a, the 128b with second curvature radius.As shown in Figure 6, the first wall 118 of door locked component 116 is positioned to the upper end of adjacent housing 52, and the bottom 130 of the second wall 120 is positioned at the end opposite of housing 52.Bar 132 is connected to bottom 130 movably, and biasing member (such as helical spring 134) is placed on bar 132 or around described bar between the bottom of housing and door locked component 116 to be placed, with by door locked component away from the bottom of housing 52 and towards the upper end bias voltage of described housing.
With reference to Fig. 2,5 and 6, by securing member is passed contrary fixing hole 138 and the corresponding securing member holding part 140 inserted on housing, fixture receiving element 136 is mounted to the upper end of housing 52.Fixture receiving element 136 comprises the groove portion 90 being configured to receive sliding clamp 70, and comprises the engagement member 142 being connected to receiving element 136 movably.Sliding clamp 70 insertion groove portion 90 and contact engagement member 142.Continuing to act on the power that power on sliding clamp 70 or pressure makes engagement member 142 resist spring 134 downwards presses down on door locked component 116, door locked component is correspondingly moved down in housing 52, until align with the respective aperture 144 limited by housing 52 in the top of first and second lock opening 126a, 126b.
When top 126a, 126b of first and second lock opening 124a, 124b align with corresponding hole 144, sliding clamp 70 is fixed and locks in place by U-shaped fixture locking component 146.Fixture locking component 146 comprises the smooth arm 148 with end opposite, the first end 150 of wherein said arm comprises the contact plug 152 extended forward and the support bar 154 extended back, and be connected to pin boss body 156 movably, and the second end 158 comprises stop pin 160.In order to make fixture locking component 146 to move relative to pin boss body 156 or to slide, pin boss body 156 is limited to the inner passage 162 and cotter way portion 168 that extend between open front 164 and after-opening 166.As shown in Figure 7, biasing member (such as helical spring 170) is positioned on support bar 154 between arm 148 and the inner surface of pin boss body 156, with towards the anterior biasing arm of housing 52 and therefore biased contact pin 152 and stop pin 160.A part for support bar 154 is extended by after-opening 166, to make fixture locking component 146 to move relative to pin boss body 156 or to slide while preventing spring 170 to be disengaged with support bar 154.
The size and shape of stop pin 160 corresponds to the size and shape of the pin opening 172 limited by fixture receiving element 136, wherein when fixture locking component 146 is in first or rest position as shown in Figure 8, stop pin 160 passes the wide portion 86 of pin opening and sliding clamp opening 84, to lock in place by sliding clamp 70.Alternatively, when fixture locking component 146 is in second or compression position as shown in Figure 7, stop pin 160 is disengaged with sliding clamp opening 84.
The door 54 of infusion pump 50 comprises the latch pin 174 and actuator pin 176 that vertically separate for a pair, and described latch pin and actuator pin extend from the inner surface 178 of door respectively.Each latch pin 174 comprises the head 182 of the cardinal principle taper of the bar 180 with diameter and radius of curvature and the one end being positioned at bar, and the size of wherein said head or diameter are greater than the diameter of bar.When door 54 is moved to the closed position against the front surface of housing (Fig. 5), latch pin 174 and more specifically head 182 be configured to extend through corresponding first and second lock opening 124a, 124b of hole 144 in housing 52 and door locked component 116.Meanwhile, actuator pin 176 extends through the opening 184 on housing 52 and contacts the contact plug 152 of fixture locking component 146.Along with actuator pin 176 moves inward, its opposing spring 170 inwardly promotes or moving contact pin 152 and therefore inwardly promoting or movable support bar 154.The stop pin 160 interconnected via arm 148 and contact plug moves inward simultaneously and is disengaged with sliding clamp 70.From fixture locking component 146 discharge sliding clamp 70 spring 170 is stretched and in housing 52 upwardly door locked component 116.Thus, first and second lock opening 124a, 124b on door locked component 116 move up relative to latch pin 174, until latch pin is seated in the bottom 128 of opening against door locked component.Diameter due to the head 182 of latch pin 174 is greater than diameter or the radius of curvature of the bottom 128 of opening 124a, 124b, and therefore door 54 is locked in closed position, and reason is that latch pin can not move by the opening in door locked component 116.When sliding clamp 70 shifts out from groove portion 90, the door 54 of infusion pump 50 is locked can assist anti-fluid be not intended to or by accident by feeder unit free-flow to patient, described free-flow may produce when door 54 is in an open position and feeder unit conduit 66 is disengaged with pump provisionally.
In order to open the door 54 of infusion pump 50, such as so that the conduit 66 of feeder unit 64 is passed pump, regulates the position of conduit 66 or new feeder unit is connected to pump, the sliding clamp 70 insertion groove portion 90 that user can will be associated with feeder unit 64 as described above in pump 50.Sliding clamp 70 is promoted downwards in groove portion 90 by user, thus makes door locked component 116 resist spring 134 to move down, and the top 126 of first and second lock opening 124a, 124b is moved to the head 182 being adjacent to latch pin 174.This latch enable pin 174 is back moved by first and second lock opening 124a, 124b and discharges from door locked component 116, thus release door 54.Meanwhile, when aliging with the pin opening 172 in fixture receiving element 136 in the wide portion 86 of grasp opening 84, stop pin 160 is passed through wide portion 86 bias voltage of pin opening and sliding clamp opening 84 by spring 170.Stop pin 160 thus while door 54 is in an open position, sliding clamp 70 is locked in fixture receiving element 136.Can prevent it from shifting out from housing 52 sliding clamp 70 locking, conduit 66 may move to the wide portion 86 of opening 84 by accident herein, thus allows fluids free flow to move to patient.
Referring now to Fig. 2 and 9-12, as described above, by making the part of conduit 66 between sliding clamp 70 and roller fixture 72 align substantially along the pumping finger 80 of the pumping mechanism 79 shown in Fig. 2 and 9, feeder unit 64 is loaded into infusion pump 50.Pumping finger 80 is moved to contact with feeder unit conduit 66 and to disengage, to carry the fluid (such as medicine or nutrient substance) of specified amount to patient independently, reciprocally based on pumping sequence that is predetermined or programming.If the conduit 66 of feeder unit 64 is carried by mistake, thus all or part of of conduit 66 is not positioned on pumping finger 80 as illustrated in fig. 10 fully, so free-flow may occur, thus cause potentially excessively infusing to patient, this may affect health or the rehabilitation of patient; Or the feeding of transfusion may inaccurate, the demand that maybe can not reach patient or damage patient.
With reference to Fig. 9, one of them pumping finger 80 and preferably central pumping finger 80b substituted by set sensor 190 by mistake.Should be understood that, one or more pumping finger 80 can be substituted by one or more set sensor 190 by mistake.Whether whether each by mistake set sensor 190 detected catheter 66 be present in above pumping finger 80 and be more specifically present in by mistake above set sensor 190, and the alert trigger device 61 or make its sounding, the combination in any of described siren such as audio indicator, visual detector, tactile indicators or these indicators or other prompting when conduit 66 is carried as illustrated in fig. 10 by mistake.Infusion pump 50 and processor 60 more specifically in infusion pump are also programmed, to prevent when feeder unit conduit 66 wrong years or the running of stopping infusion pump.Should be understood that, sensor 190 as alert trigger or can prevent or the running of stopping infusion pump or alert trigger and prevent the running of infusion pump as described above.It is to be further understood that one or more sensor 190 can be whether be present in any one or more sensors suitably on described one or more sensor or neighbouring for inspected object (such as conduit 66).
Particularly with reference to Figure 11 and 12, cam 194 is associated with pumping finger 80 and is connected to the motor 196 that cam is rotated.The rotation of cam 194 makes the different end differences of cam contact corresponding pumping finger 80, to make described finger reciprocally move based on the dose of fluid delivered of programming and interval relative to conduit 66.As shown in figure 11, set sensor 190 has body 198 by mistake, and described body comprises the guide portion 200 formed by contrary shoulder 202, and described shoulder defines for being located relative to pumping mechanism 79 and the passage 204 be held in place by conduit 66.Should be understood that, guide portion 200 can be smooth, semicircular or any suitable size or shape.Body 198 also comprises the contrary bar 206 surrounded by corresponding biasing member (such as helical spring 208).Helical spring 208 is positioned at by mistake between set sensor 190 and housing 52, and towards the outside biased pickup in front portion of housing.Arm 210 and sensor body 198 are integrally formed and extend from described sensor body, and comprise magnet 212.Should be understood that, magnet 212 can be any suitable magnet or multiple magnet.In order to determine the position of set sensor 190 by mistake, pumping mechanism 79 comprises Hall circuit 214, and described Hall circuit produces the signal being sent to processor 60, and wherein signal intensity is based on the relative position of Hall circuit 214 to magnet 212.Such as, when the conduit 66 of feeder unit 64 be correctly loaded on pumping mechanism 79, be namely loaded in sensor guide portion 200 time (Figure 11), sensor 190 is inwardly pressed by conduit opposing spring 208, and this makes the distance between magnet 212 and Hall circuit 214 be increased to distance " D1 ".When conduit 66 carried by mistake, namely no-fix in guide portion 200 and therefore no-fix is on pumping mechanism 79 time (Figure 12), set sensor 190 does not inwardly press by mistake, and therefore magnet 212 and Hall circuit 214 relative to each other maintain initial or distance " D2 " of stopping using.Therefore when the distance between magnet 212 and Hall circuit 214 is in distance D1, processor 60 in infusion pump 50 is from missing set sensor 190 Received signal strength and starting siren, such as audio alert or indicator, visual detector and/or haptic alerts or indicator, to carry to the mistake of user warning feeder unit 64.Processor 60 can also be programmed, and closes motor 196 now with setting out of convenient feeder unit 64 by mistake.
This infusion pump 50 comprises anti-error year device, and within described anti-error year, device assists anti-fluid (such as medicine) free-flow to patient, and prevents feeder unit to be loaded onto pump by mistake.All these anti-error year devices of this infusion pump by minimized for human error make user correctly can set infusion pump simultaneously and conveyance fluid to patient.
Although the principle of this infusion pump describes with reference to certain figures and applicable cases hereinbefore, should be understood that, this description is carried out by means of only the mode of embodiment and not as the restriction of the scope to claim below.

Claims (14)

1., for being transmitted an infusion pump for fluid by feeder unit, described feeder unit has the sliding clamp flowed by feeder unit for controlling fluid, and described infusion pump comprises:
Be limited with the housing in groove portion, described groove portion is configured to receive sliding clamp;
Be connected to the door of described housing movably, described door can move between open and closed positions; With
Be connected to described housing movably and be configured to the stop pin of engaging slide fixture, described stop pin can move between latched position and off-position, in described latched position, sliding clamp engages and is fixed in described groove portion by described stop pin, in described off-position, described stop pin is disengaged with sliding clamp
Wherein, when described door moves to described open position, described stop pin moves to described latched position and is fixed on by sliding clamp in described groove portion, and when described door moves to described closed position, described stop pin moves to described off-position and discharges sliding clamp from described groove portion.
2. infusion pump as claimed in claim 1, its characteristic is, described infusion pump also comprises fixture locking component, described fixture locking component is connected to described housing movably and comprises described stop pin, described fixture locking component also comprises contact plug, described contact plug is configured to engage described door when described door moves to described closed position, and be disengaged from described door when described door is in described open position, the situation that wherein said fixture locking component engages described door at described contact plug is displaced downwardly to described off-position, and be displaced downwardly to described latched position in the situation that described contact plug is disengaged with described door.
3. infusion pump as claimed in claim 2, its characteristic is, described door comprises actuator pin, and described actuator pin is configured to engage described contact plug when described door is in described closed position, and is disengaged with described contact plug when described door is in described open position.
4. infusion pump as claimed in claim 1, its characteristic is, described infusion pump also comprises door locked component, described door locked Components installation is in described housing, and described door locked component is configured to lock described door when described stop pin moves to described off-position and discharge described door when described stop pin moves to described latched position.
5. infusion pump as claimed in claim 4, its characteristic is, described door locked component comprises opening, and described door comprises the latch pin being configured to pass described opening, described latch pin passes described opening when described stop pin moves to described off-position and is fixed by described door locked component, and described latch pin discharges from described opening when described stop pin moves to described latched position.
6. infusion pump as claimed in claim 4, its characteristic is, described door locked component comprises two openings, and described door comprises two latch pins, described two latch pins are configured to pass through the corresponding opening in described two openings respectively, when described stop pin moves to described off-position, described latch pin passes corresponding opening and is fixed by described door locked component, and when described stop pin moves to described latched position, described latch pin discharges from described opening.
7. infusion pump as claimed in claim 1, its characteristic is, described infusion pump also comprises the door locked component be arranged on movably in described housing, the first end of described door locked component adjoins described groove portion, and the second end of described door locked component comprises biasing member, described biasing member is configured to towards door locked component described in described groove portion bias voltage, wherein when sliding clamp inserts described groove portion, sliding clamp contacts described first end and presses described door locked component against described biasing member, and when sliding clamp is from described groove portion release, described door locked component is by towards described groove portion bias voltage.
8. infusion pump as claimed in claim 7, its characteristic is, described door locked component comprises pair of openings, and described door comprises a pair latch pin, described a pair latch pin is configured to pass through the corresponding opening in described two openings respectively, when described locking component is towards described groove portion bias voltage, described latch pin passes described door locked component and is fixed by described door locked component, and when described locking component is pressed against described biasing member by sliding clamp, described latch pin discharges from described door locked component.
9. an infusion pump, its conduit for the feeder unit by being connected with infusion pump transmits fluid, and described infusion pump comprises:
Housing; With
Be mounted to the pumping mechanism of described housing, described pumping mechanism comprise multiple pumping finger, for sequentially and reciprocally move the motor of described multiple pumping finger and be configured in sensor conduit being detected when conduit is correctly mounted on pumping mechanism,
Wherein, when described sensor does not detect that conduit is arranged on pumping mechanism, described sensor start following at least one in both: siren is triggered, and prevents described pumping mechanism from operating.
10. infusion pump as claimed in claim 9, its characteristic is, described pumping mechanism comprises multiple sensor, and described multiple sensor is configured to detected catheter respectively.
11. infusion pump as claimed in claim 9, its characteristic is, described pumping mechanism comprises Hall circuit, and described sensor comprises magnet, described sensor can move between primary importance when conduit is not arranged on pumping mechanism and conduit second position when being correctly arranged on pumping mechanism, described Hall circuit and described sensor separate with the first distance when described sensor is in described primary importance, and separate with second distance when described sensor is in the described second position, wherein when described Hall circuit and described latch pin state magnet separate with described first distance, described sensor makes described motor stop operating.
12. infusion pump as claimed in claim 11, its characteristic is, described sensor comprises biasing member, and described biasing member is configured to described sensor to be biased into described primary importance.
13. infusion pump as claimed in claim 11, its characteristic is, described sensor comprises multiple biasing member, and described multiple biasing member is configured to described sensor to be biased into described primary importance respectively.
14. infusion pump as claimed in claim 9, its characteristic is, described siren comprises one in audio indicator, visual detector or tactile indicators.
CN201310308656.5A 2013-07-22 2013-07-22 Infusion pump comprising anti-misloading device Active CN104324432B (en)

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CN201310308656.5A CN104324432B (en) 2013-07-22 2013-07-22 Infusion pump comprising anti-misloading device
HK15106917.0A HK1206290A1 (en) 2013-07-22 2015-07-21 Infusion pump including misloading protection

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017204092A1 (en) * 2016-05-26 2017-11-30 並木精密宝石株式会社 Fluid delivery pump
CN110944709A (en) * 2017-07-18 2020-03-31 B.布劳恩梅尔松根股份公司 Device and method for opening and closing infusion hose clamp
CN112105405A (en) * 2018-05-15 2020-12-18 巴克斯特国际公司 Infusion pump with tube loading guidance and confirmation
CN112717231A (en) * 2020-12-31 2021-04-30 深圳市好克医疗仪器股份有限公司 Infusion pump
WO2022130745A1 (en) * 2020-12-16 2022-06-23 テルモ株式会社 Infusion pump

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5634907A (en) * 1994-12-22 1997-06-03 Sandoz Nutrition Ltd. System for detection of fluid infusion
WO2003100742A1 (en) * 2002-05-20 2003-12-04 B. Braun Medical, Inc. Proper tubing installation testing method and apparatus for a peristaltic pump
CN101990447A (en) * 2008-04-30 2011-03-23 并木精密宝石株式会社 Tubing misload detection mechanism for an infusion pump
CN202654477U (en) * 2012-06-01 2013-01-09 珠海市美瑞华医用科技有限公司 Multifunctional medical automatic transfusion pump
CN102908697A (en) * 2012-10-12 2013-02-06 深圳市深科医疗器械技术开发有限公司 Infusion pump and detection device for clamping position of infusion tube of infusion pump
CN202802322U (en) * 2012-08-29 2013-03-20 深圳市好克光电仪器有限公司 Infusion position detecting device and infusion pump
CN103068420A (en) * 2010-04-01 2013-04-24 株式会社玗荣医疗器 Liquid infusion apparatus
CN103120813A (en) * 2013-02-01 2013-05-29 深圳玉升医疗科技有限公司 Infusion pump of electric control switch pump door

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5634907A (en) * 1994-12-22 1997-06-03 Sandoz Nutrition Ltd. System for detection of fluid infusion
WO2003100742A1 (en) * 2002-05-20 2003-12-04 B. Braun Medical, Inc. Proper tubing installation testing method and apparatus for a peristaltic pump
CN101990447A (en) * 2008-04-30 2011-03-23 并木精密宝石株式会社 Tubing misload detection mechanism for an infusion pump
CN103068420A (en) * 2010-04-01 2013-04-24 株式会社玗荣医疗器 Liquid infusion apparatus
CN202654477U (en) * 2012-06-01 2013-01-09 珠海市美瑞华医用科技有限公司 Multifunctional medical automatic transfusion pump
CN202802322U (en) * 2012-08-29 2013-03-20 深圳市好克光电仪器有限公司 Infusion position detecting device and infusion pump
CN102908697A (en) * 2012-10-12 2013-02-06 深圳市深科医疗器械技术开发有限公司 Infusion pump and detection device for clamping position of infusion tube of infusion pump
CN103120813A (en) * 2013-02-01 2013-05-29 深圳玉升医疗科技有限公司 Infusion pump of electric control switch pump door

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WO2017204092A1 (en) * 2016-05-26 2017-11-30 並木精密宝石株式会社 Fluid delivery pump
CN110944709A (en) * 2017-07-18 2020-03-31 B.布劳恩梅尔松根股份公司 Device and method for opening and closing infusion hose clamp
CN112105405A (en) * 2018-05-15 2020-12-18 巴克斯特国际公司 Infusion pump with tube loading guidance and confirmation
WO2022130745A1 (en) * 2020-12-16 2022-06-23 テルモ株式会社 Infusion pump
CN112717231A (en) * 2020-12-31 2021-04-30 深圳市好克医疗仪器股份有限公司 Infusion pump

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