CN104721920B - A kind of the multi-speed regulating device and its speed regulating method of infusion pump - Google Patents
A kind of the multi-speed regulating device and its speed regulating method of infusion pump Download PDFInfo
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- CN104721920B CN104721920B CN201510135462.9A CN201510135462A CN104721920B CN 104721920 B CN104721920 B CN 104721920B CN 201510135462 A CN201510135462 A CN 201510135462A CN 104721920 B CN104721920 B CN 104721920B
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- outer seat
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/223—Multiway valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16877—Adjusting flow; Devices for setting a flow rate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16877—Adjusting flow; Devices for setting a flow rate
- A61M5/16881—Regulating valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M2039/229—Stopcocks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3337—Controlling, regulating pressure or flow by means of a valve by-passing a pump
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Public Health (AREA)
- Vascular Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Pulmonology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention relates to a kind of multi-speed regulating devices of infusion pump, comprising: speed regulating structure, comprising: outer seat, outer seat are equipped with feed liquor communication port and out liquid communication port；Inner seat is adjusted the speed, is movably set in outer seat, by the way that being active in outer seat adjusts feed liquor communication port and the out connected relation of liquid communication port relatively；Inlet tube is connected to the feed liquor communication port of outer seat；And outlet tube, it is connected to the liquid communication port that goes out of outer seat.The multi-speed regulating device of infusion pump of the present invention is by speed regulating structure instead of using switching that silicone tube is stuck in the prior art, ensure that flowtube is unobstructed, flow velocity is more accurate, it is safer for patient, reach the analgesic effect of needs, in addition the multi-speed regulating device of infusion pump of the present invention is structurally reasonable simple, for medical staff, operates more simple and convenient.
Description
Technical field
The present invention relates to field of medical device, the multi-speed regulating device and its speed regulating method of espespecially a kind of infusion pump.
Background technique
Infusion pump also known as analgesia pump, it makes analgesic be able to maintain a timely stable concentration in blood plasma, and
Patient can be allowed to press administration voluntarily with rapid reinforcing effect, treatment more individuation.
For a long time, it is believed that postoperative pain is the phenomenon of nature, is inevitable, it can only to postoperative pain
It grins and bear it.In fact, pain itself can produce a series of pathophysiological change, such as the shadow of body autonomic nerves system
It rings, makes increased heart rate, be short of breath, blood pressure rises；The change of spiritual aspect leads to dysphoria, melancholy, followed by influences and disappears
Change system function, the recovery of physical strength；Endocrine, the influence of hormone, directly or indirectly make various function of receptors change, infusion
Pump comes into being.
When clinically using infusion pump previously, often it there is also because the maximum flow rate of infusion pump is not able to satisfy patient still
Demand, still feel pain or discomfort, ideal effect be not achieved, at this moment can usually continue additional dose by loading threeway, from
And mitigate patient's pain, but extremely inconvenient, also increase the expense of patient.
In turn, there is multithread speed infusion pump, speed-controlling device is to use switch that silicone tube is stuck, to realize multithread
The effect of speed.Although this realizes the effect of multithread speed, switch blocks connecting tube for a long time and occur the problem that first
It is that silicone tube is easily-deformable, is difficult to recover, lead to silica gel pipeline obstruction, the medical fluid stream of needs is not achieved, can not effectively mitigate patient
Pain；Followed by silicone tube cracky, leads to medicine liquid leakage, and analgesic effect is not achieved, and being likely to become influences analgesic effect
Insecurity factor.
In order to mitigate patient's pain, realize safely and effectively analgesic effect, need it is a kind of structurally reasonable, safely and effectively, stream
Amount is accurate, the multi-speed regulating device of infusion pump easy to use and corresponding speed regulating method.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, the multi-speed regulating device and its tune of a kind of infusion pump are provided
Fast method, the multithread speed selection for solving infusion pump in the prior art are to be closed the stuck realization of silicone tube to control by switch
Flow velocity, silica gel pipe clamp easily deform over time, it is difficult to restore, or even occur it is damaged, influence analgesic effect etc. it is dangerous because
The problem of element.
Realizing the technical solution of above-mentioned purpose is: a kind of multi-speed regulating device of infusion pump, comprising:
Speed regulating structure, comprising: outer seat, the outer seat are equipped with feed liquor communication port and out liquid communication port；Adjust the speed inner seat, movable sleeve
In the outer seat, pass through the opposite company for being active in the outer seat and adjusting the feed liquor communication port and the liquid communication port out
Clearance system；
Inlet tube is connected to the feed liquor communication port of the outer seat；And
Outlet tube is connected to liquid communication port is gone out described in the outer seat.
The multi-speed regulating device of infusion pump of the present invention further improvement lies in that, the outer seat is valve pocket, in the speed regulation
To be movably set in the speed regulation valve shaft that can be rotated in the valve pocket and relative to the valve pocket, the inside of the speed regulation valve shaft is equipped with seat
It can adapt to the communication channel of the feed liquor communication port and the liquid communication port out.
The multi-speed regulating device of infusion pump of the present invention further improvement lies in that, the communication channel be T-type connectivity structure or Y
Type connectivity structure, the valve pocket include that a feed liquor communication port and two go out liquid communication port.
The multi-speed regulating device of infusion pump of the present invention further improvement lies in that, the communication channel include be located at center
Feed liquor direct channel and be connected to the feed liquor communication channel go out liquid communication channel.
The multi-speed regulating device of infusion pump of the present invention further improvement lies in that, the outer seat be hollow casing, it is described
Casing is connected to the inlet tube as feed liquor communication port, and the tube wall of described sleeve pipe is equipped with the liquid communication port out；The tune
Fast inner seat is the prionotron axis that is movably set in described sleeve pipe and can move relative to the valve pocket pull, the prionotron axis
One end is actively located in described sleeve pipe and forms movable end, and the other end of the prionotron axis forms pull end.
A kind of speed regulating method of the multi-speed regulating device of infusion pump, comprising:
A kind of multi-speed regulating device of infusion pump is provided, includes speed regulating structure, inlet tube and outlet tube；The speed regulation knot
Structure includes: outer seat and speed regulation inner seat, and the outer seat is equipped with feed liquor communication port and liquid communication port, the speed regulation inner seat are slidingly connected out
In in the outer seat, by it is opposite be active in the outer seat adjust the feed liquor communication port with it is described go out liquid communication port be connected to
Relationship；The inlet tube is connected to the feed liquor communication port of the outer seat；The liquid out of the outlet tube and the outer seat
Communication port connection；
Determine the flow velocity of the multi-speed regulating device of the required infusion pump；And
The speed regulation inner seat and the outer seat is opposite movable, adjust the feed liquor communication port and it is described go out liquid communication port
Connected relation so that solution is flowed into from the inlet tube, by after the speed regulating structure with determining flow velocity from the outlet tube
Outflow.
The speed regulating method of the multi-speed regulating device of infusion pump of the present invention further improvement lies in that, the outer seat is valve pocket, institute
Stating speed regulation inner seat is the speed regulation valve shaft that is movably set in the valve pocket and can rotate relative to the valve pocket, the speed regulation valve shaft
Inside is equipped with the communication channel that can adapt to the feed liquor communication port and the liquid communication port out.
The speed regulating method of the multi-speed regulating device of infusion pump of the present invention further improvement lies in that, the communication channel is that T-type connects
Logical structure or Y type connectivity structure, the valve pocket include that a feed liquor communication port and two go out liquid communication port；
Adjust the connected relation of the feed liquor communication port and the liquid communication port out, comprising:
The speed regulation valve shaft is rotated, the T-type connectivity structure or Y type connectivity structure of the speed regulation valve shaft are connected to feed liquor
Mouthful be connected to or be closed with liquid communication port out, solution from the inlet tube flow into and through the speed regulating structure after with determining stream
Speed is flowed out from the outlet tube.
The speed regulating method of the multi-speed regulating device of infusion pump of the present invention further improvement lies in that, the communication channel includes being located at
The feed liquor direct channel of the center of the speed regulation inner seat and the liquid communication channel out being connected to the feed liquor direct channel, it is described
Feed liquor communication channel is directly connected to the inlet tube；
The connected relation of adjustment the liquid communication channel and the flowtube out, comprising:
Rotate the speed regulation valve shaft, the speed regulation valve shaft it is described go out liquid communication channel be connected to the liquid stream buret out or
Closure, so that solution is flowed into from the inlet tube, by being flowed out with determining flow velocity from the outlet tube after the speed regulating structure.
The speed regulating method of the multi-speed regulating device of infusion pump of the present invention further improvement lies in that, the outer seat is hollow set
Pipe, described sleeve pipe are connected to the inlet tube as feed liquor communication port, and the tube wall of described sleeve pipe is equipped with the liquid communication port out；
The speed regulation inner seat is the prionotron axis that is movably set in described sleeve pipe and can move relative to the valve pocket pull, the speed regulation
One end of pipe axis is actively located in described sleeve pipe and forms movable end, and the other end of the prionotron axis forms pull end；
Adjust the feed liquor communication port with it is described go out liquid communication port be connected to, comprising:
Drive the prionotron axis mobile relative to the straight pipe pull, make it is described go out liquid communication port with it is corresponding described
Flowtube connection or closure, solution flows into from the inlet tube, by after the speed regulating structure from the outlet tube with determination
Flow velocity outflow.
The multi-speed regulating device of infusion pump of the present invention the utility model has the advantages that
By speed regulating structure instead of using switch that silicone tube is stuck in the prior art, solve silicone tube deformation, it is difficult
To restore, silica gel pipeline obstruction is not achieved the flow velocity of needs, can not effectively mitigate the pain of patient；Silicone tube cracky, leads
The problem of causing medicine liquid leakage, analgesic effect be not achieved, being likely to become the insecurity factor for influencing analgesic effect.Infusion pump of the present invention
Multi-speed regulating device ensure that flowtube is unobstructed, flow velocity is more accurate, safer for patient, reaches the analgesia effect of needs
Fruit, in addition the multi-speed regulating device of infusion pump of the present invention is structurally reasonable simple, for medical staff, operates more simple side
Just.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the multi-speed regulating device of infusion pump of the present invention in the first embodiment；
Fig. 2 is the schematic diagram of the speed regulating structure in Fig. 1；
Fig. 3 is structural schematic diagram of the Fig. 1 under the first flow velocity；
Fig. 4 is structural schematic diagram of the Fig. 1 under second of flow velocity；
Fig. 5 is structural schematic diagram of the Fig. 1 under the third flow velocity；
Fig. 6 is the structural schematic diagram of the multi-speed regulating device of infusion pump of the present invention in a second embodiment；And
Fig. 7 is the structural schematic diagram of the multi-speed regulating device of infusion pump of the present invention in the third embodiment.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
The present invention provides the multi-speed regulating device and its speed regulating method of a kind of infusion pump, defeated to the present invention with reference to the accompanying drawing
The multi-speed regulating device and its speed regulating method for infusing pump are illustrated.The multi-speed regulating device of infusion pump of the present invention includes: speed regulation knot
Structure, inlet tube and outlet tube.The speed regulating structure includes: outer seat, and outer seat is equipped with feed liquor communication port and out liquid communication port；In speed regulation
Seat, is movably set in outer seat, by the way that being active in outer seat adjusts feed liquor communication port and the out connected relation of liquid communication port relatively.
Inlet tube is connected to the feed liquor communication port of outer seat.Outlet tube is connected to the liquid communication port that goes out of the outer seat.
Refering to fig. 1, it is shown that the structural schematic diagram of multi-speed regulating device one embodiment of infusion pump of the present invention.Such as figure
Shown in 1, the multi-speed regulating device of infusion pump of the present invention, comprising: speed regulating structure 1, inlet tube 2 and outlet tube 4.Speed regulating structure 1, packet
Speed regulation inner seat 10 and outer seat 11 are included, outer seat 11 is equipped with feed liquor communication port 111, out liquid communication port 112 and out liquid communication port 113,
Speed regulation inner seat 10 is movably set in outer seat 11, adjusts the speed inner seat 10 by rotation, so that speed regulation inner seat 10 is opposite to be active in outer seat
11, and then adjust feed liquor communication port 111, out liquid communication port 112 and the out connected relation of liquid communication port 113.Inlet tube 2, and it is outer
The feed liquor communication port 111 of seat 11 is connected to.Outlet tube 4, with outer seat 11 go out liquid communication port 112 and out liquid communication port 113 is connected to.
Referring to Fig.2, showing the signal of the speed regulating structure of multi-speed regulating device one embodiment of infusion pump of the present invention
Figure.Referring to figs. 1 and 2, speed regulating structure 1 is between the speed regulation inner seat 10 being arranged and outer seat 11 by mutually rotating, change into
Liquid communication port 111 and the out connected relation of liquid communication port 112,113, realize different flow velocitys.In the present embodiment, inner seat is adjusted the speed
10 be speed regulation valve shaft, and outer seat 11 is valve pocket, and speed regulation valve shaft is movably set in valve pocket and can opposing valve sleeves rotation.Adjusting the speed valve shaft is
One solid cylinder offers key mouth 101 at the top of cylinder, plugs for speed regulation key 102, and key mouth 101 is a polygon,
Corresponding speed regulation key 102 has the prism of the polygon of adaptation, is plugged in key mouth 101 and revolves to adjust the speed key 102
Speed regulation inner seat 10 is able to drive when turning to rotate.Since outer seat 11 is fixed, so speed regulation inner seat 10 and 11 relative rotation of outer seat.
Valve pocket includes that a feed liquor communication port 111 and two go out liquid communication port 112 and 113.
The inside of the speed regulation valve shaft of speed regulating structure 1, which is equipped with, can adapt to feed liquor communication port 111 and out liquid communication port 112,113
Communication channel 100, in the present embodiment, communication channel 100 is T-type connectivity structure or Y type connectivity structure, but communication channel 100
Structure is not limited with both.It is plugged in key mouth 101 when with speed regulation key 102, rotation speed regulation inner seat 10, so that connection
When mouthful opposite with the opening of communication channel, that is, open communication channel, when the opening of communication port and communication channel is not opposite, that is, the company of enclosing
Channel.
In the present embodiment, further include feed liquor flowtube 5 between inlet tube 2 and the feed liquor communication port 111 of valve pocket；
Go out liquid stream buret 32 positioned at outlet tube 4 and going out between liquid communication port 112 for valve pocket；The liquid that goes out positioned at outlet tube 4 and valve pocket connects
Go out liquid stream buret 31 between port 113；And between inlet tube 2 and outlet tube 4, it is connected to inlet tube 2 and outlet tube 4
Direct-connected flowtube 30.When feed liquor communication port 111 is not connected to the opening of communication channel 100, solution is flowed into from inlet tube 2, into
It becomes a mandarin and flows directly into outlet tube 4 after buret 30.When feed liquor communication port 111 and an open communication of communication channel 100, in addition to meeting
Flowtube 30 is flowed into, solution enters speed regulating structure 1 after also flowing through feed liquor flowtube 5.
It in the present embodiment further include shell, shell is coated on inlet tube, speed regulating structure and outlet tube, and shell, which is equipped with, to be supplied
Inlet tube and the outlet tube tube opening stretched out and the key being adapted to key mouth opening.
The speed regulating method of the multi-speed regulating device of the present embodiment infusion pump is illustrated below:
As shown in Figure 1, flowtube has direct-connected flowtube 30, out liquid stream buret 31 and out liquid stream buret 32 3, due to adjusting
There are three openings, referred to as the multi-speed regulating device of three way type infusion pump for fast structure.For example, 30 flow velocity of direct-connected flowtube used for
2ml/h, 31 flow velocity of liquid stream buret is 2ml/h out, and 32 flow velocity of liquid stream buret is 4ml/h out.Adjustable four kinds different in flow rate.Face
Bed is in use, medical staff is plugged in key mouth 101 and is rotated by speed regulation key 102 first according to state of an illness setting amount of infusion
When be able to drive speed regulation inner seat 10 rotate, to realize that communication port is opposite with the opening of communication channel, that is, open communication channel；Or even
The opening of port and communication channel is not opposite, that is, closes communication channel.Here is to obtain the operating method of different flow velocitys:
One, refering to Fig. 3, it is shown that structural schematic diagram of the Fig. 1 under the first flow velocity；In conjunction with shown in Fig. 1 and Fig. 3, work as doctor
When shield personnel set amount of infusion as the flow velocity of 2ml/h according to the state of an illness, i.e., it is required that the flow velocity of multi-speed regulating device is 2ml/h,
The rotation speed regulation inner seat 10 of key mouth 101 is put into speed regulation key 102, inner seat 10 and 11 relative rotation of outer seat is adjusted the speed, so that even
Channel 100 and feed liquor communication port 111, communication channel 100 and liquid communication port 112 out and communication channel 100 are opened with liquid communication port 113 out
Mouth is not opposite, is not connected to, i.e., inlet tube 2, go out liquid stream buret 32 and the out whole closure of liquid stream buret 31, and keep feed liquor stream
Buret 30 is unobstructed；Finally collect and flowed out from outlet tube 4, realizes the flow velocity of 2ml/h.
Two, refering to Fig. 4, it is shown that structural schematic diagram of the Fig. 1 under second of flow velocity；In conjunction with shown in Fig. 1 and Fig. 4, work as doctor
When shield personnel set amount of infusion as the flow velocity of 4ml/h according to the state of an illness, i.e., it is required that the flow velocity of multi-speed regulating device is 4ml/h,
The rotation speed regulation inner seat 10 of key mouth 101 is put into speed regulation key 102, inner seat 10 and 11 relative rotation of outer seat is adjusted the speed, so that even
Channel 100 is opposite with the opening of liquid communication port 113 out with feed liquor communication port 111, communication channel 100, i.e., is connected to, and communication channel
100 is opposite with the opening of liquid communication port 112 out, is not connected to, thus inlet tube 2 and liquid stream buret 31 is unobstructed out, flowtube
32 closures, feed liquor flowtube 30 is unobstructed, finally collects and flows out from outlet tube 4, realizes the flow velocity of 4ml/h.
Three, refering to Fig. 5, it is shown that structural schematic diagram of the Fig. 1 under the third flow velocity；Referring to figure 1 and figure 5, work as doctor
When shield personnel set amount of infusion as the flow velocity of 6ml/h according to the state of an illness, i.e., it is required that the flow velocity of multi-speed regulating device is 6ml/h,
The rotation speed regulation inner seat 10 of key mouth 101 is put into speed regulation key 102, inner seat 10 and 11 relative rotation of outer seat is adjusted the speed, so that even
Channel 100 is not opposite with the opening of liquid communication port 113 out, and liquid stream buret 31 is closed out, and communication channel 100 and feed liquor communication port
111, communication channel 100 is opposite with the opening of liquid communication port 112 out, i.e. inlet 2 and liquid stream buret 32 is unobstructed out, and keep into
Liquid stream buret 30 is unobstructed, finally collects and flows out from outlet tube 4, realizes the flow velocity of 6ml/h.
Four, when medical staff sets amount of infusion as the flow velocity of 8ml/h according to the state of an illness, i.e., it is required that multi-speed regulating device
Flow velocity be 8ml/h, put the rotation speed regulation inner seat 10 of key mouth 101 into speed regulation key 102, adjust the speed inner seat 10 and 11 phase of outer seat
To rotation, so that communication channel 100 and feed liquor communication port 111, communication channel 100 and liquid communication port 112 out and communication channel 100 and liquid out
The opening of communication port 113 is opposite, is connected to, i.e., corresponding inlet tube 2 goes out liquid stream buret 32, goes out all guarantors of liquid stream buret 31
It holds unobstructed, finally collects and flowed out from outlet tube 4, realize the flow velocity of 8ml/h.
Refering to Fig. 6, it is shown that the structural schematic diagram of second embodiment of multi-speed regulating device of infusion pump of the present invention；Such as figure
Shown in 6, the multi-speed regulating device of infusion pump of the present invention, comprising: speed regulating structure 6, inlet tube 7 and outlet tube 9.Wherein, speed regulation knot
Structure 6, including adjusting the speed inner seat 60 and being movably set in the outer seat 61 of speed regulation inner seat 60, the inside of speed regulation inner seat 60 is equipped with communication channel
600, communication channel 600 be include positioned at center feed liquor direct channel and be connected to feed liquor direct channel go out liquid be connected to
Road, feed liquor direct channel are directly connected to inlet tube 7.Outer seat 66 be equipped be adapted to communication channel 600 multiple communication ports 610,
611,612,613.Flowtube 8 has multiple, liquid stream buret 80,81,82,83 out, respectively with multiple communication ports 610,611,612,
613 corresponding connections；Outlet tube 9 is connected to multiple liquid stream burets 80,81,82,83 out.
Further, the structure of communication channel is not limited thereto, communication channel can centered on radial passages structure, packet
It includes positioned at the feed liquor direct channel of center and in the radial multiple liquid communication channels out in center, multiple liquid communication channels difference out
Go out to be connected to liquid communicating pipe with multiple, feed liquor direct channel is directly connected to inlet tube.
It is similar with the speed regulating structure 1 of one embodiment, speed regulating structure 6 pass through the speed regulation inner seat 60 that is arranged and outer seat 66 it
Between mutually rotate, change the positional relationship of communication channel 600 and multiple communication ports, it is real to control closing and closing for multiple communication ports
Existing different flow velocity.In the present embodiment, speed regulation inner seat 60 is a solid cylinder, offers key mouth 601 at the top of cylinder,
It is plugged for speed regulation key 602, key mouth 601 is a polygon, the corresponding pentagonal rib for adjusting the speed key 602 and having adaptation
Column is plugged in key mouth 601 to adjust the speed key 602 and is able to drive the speed regulation rotation of inner seat 60 when rotating.Due to outer seat 66
It is fixed, so speed regulation inner seat 60 and 66 relative rotation of outer seat.
Be plugged in key mouth 601 when with speed regulation key 602, rotation speed regulation inner seat 60 so that communication port 610,611,
612, one in 613 it is opposite with the opening of communication channel 600 when, that is, open a communication channel.Due to go out liquid stream buret 80,
81,82,83, one end connection corresponding with multiple communication ports 610,611,612,613 respectively, it is multiple go out liquid stream buret 80,81,
82,83 other end, which collects, is communicated to outlet tube 9.Solution flows into speed regulating structure 6 from inlet tube 7, passes through a communication port
It flows out in corresponding flowtube, is finally flowed out from outlet tube 9, realize corresponding flow velocity.
It in the present embodiment further include shell, shell is coated on inlet tube, speed regulating structure and outlet tube, and shell, which is equipped with, to be supplied
Inlet tube and the outlet tube tube opening stretched out and the key being adapted to key mouth opening.
The speed regulating method of the multi-speed regulating device of the present embodiment infusion pump is illustrated below:
As shown in fig. 6, flowtube there are liquid stream buret 80,81,82,83 4 out, since there are four openings for speed regulating structure, claim
For the multi-speed regulating device of tubing type infusion pump.For example, the flow velocity of liquid stream buret 80,81,82,83 is 2ml/h, 4ml/ respectively out
H, 6ml/h, 8ml/h, adjustable four kinds different in flow rate.When clinical use, medical staff first sets amount of infusion according to the state of an illness, leads to
It crosses speed regulation key 602 to be plugged in key mouth 601 and be able to drive the speed regulation rotation of inner seat 60 when rotating, to realize communication port and company
The opening in channel is opposite, that is, opens communication channel；Or communication port and the opening of communication channel it is not opposite, that is, close communication channel.
Here is to obtain the operating method of different flow velocitys:
One, when medical staff sets amount of infusion as the flow velocity of 2ml/h according to the state of an illness, i.e., it is required that multi-speed regulating device
Flow velocity be 2ml/h, put the rotation speed regulation inner seat 60 of key mouth 601 into speed regulation key 602, adjust the speed inner seat 60 and 61 phase of outer seat
To rotation, so that the communication channel 600 for adjusting the speed inner seat 60 is directed at communication port 610, so that communication channel 600 connects with liquid stream buret 80 out
Logical, solution flows into speed regulating structure 6 from inlet tube 7, is flowed out to out in liquid stream buret 80 by communication port 610, finally from liquid out
It is flowed out in pipe 9, realizes the flow velocity of 2ml/h.
Two, when medical staff sets amount of infusion as the flow velocity of 4ml/h according to the state of an illness, i.e., it is required that multi-speed regulating device
Flow velocity be 4ml/h, put the rotation speed regulation inner seat 60 of key mouth 601 into speed regulation key 602, adjust the speed inner seat 60 and 61 phase of outer seat
To rotation, so that the communication channel 600 for adjusting the speed inner seat 60 is directed at communication port 611, so that communication channel 600 connects with liquid stream buret 81 out
Logical, solution flows into speed regulating structure 6 from inlet tube 7, is flowed out to out in liquid stream buret 81 by communication port 611, finally from liquid out
It is flowed out in pipe 9, realizes the flow velocity of 4ml/h.
Three, when medical staff sets amount of infusion as the flow velocity of 6ml/h according to the state of an illness, i.e., it is required that multi-speed regulating device
Flow velocity be 6ml/h, put the rotation speed regulation inner seat 60 of key mouth 601 into speed regulation key 602, adjust the speed inner seat 60 and 61 phase of outer seat
To rotation, so that the communication channel 600 for adjusting the speed inner seat 60 is directed at communication port 612, so that communication channel 600 connects with liquid stream buret 82 out
Logical, solution flows into speed regulating structure 6 from inlet tube 7, is flowed out to out in liquid stream buret 82 by communication port 612, finally from liquid out
It is flowed out in pipe 9, realizes the flow velocity of 6ml/h.
Four, when medical staff sets amount of infusion as the flow velocity of 8ml/h according to the state of an illness, i.e., it is required that multi-speed regulating device
Flow velocity be 8ml/h, put the rotation speed regulation inner seat 60 of key mouth 601 into speed regulation key 602, adjust the speed inner seat 60 and 61 phase of outer seat
To rotation, so that the communication channel 600 for adjusting the speed inner seat 60 is directed at communication port 613, so that communication channel 600 connects with liquid stream buret 83 out
Logical, solution flows into speed regulating structure 6 from inlet tube 7, is flowed out to out in liquid stream buret 83 by communication port 613, finally from liquid out
It is flowed out in pipe 9, realizes the flow velocity of 8ml/h.
Five, if you need to close multi-speed regulating device, the speed regulation rotation speed regulation inner seat 60 of key 602 need to be only used, inner seat 60 is adjusted the speed
With outer 61 relative rotation of seat, communication channel 600 is adjusted between any two communication port on outer seat 61 so that it is each go out liquid stream
Buret is closed.
Refering to Fig. 7, it is shown that the structural schematic diagram of the multi-speed regulating device third embodiment of infusion pump of the present invention；Such as figure
Shown in 7, the multi-speed regulating device of infusion pump of the present invention, comprising: speed regulating structure a, inlet tube b, flowtube c and outlet tube d.Its
In, speed regulating structure a, including adjusting the speed inner seat a0 and being movably set in the outer seat a1 of speed regulation inner seat a0, outer seat a1 is hollow set
Pipe, casing are connected to inlet tube b as feed liquor communication port, and the tube wall of casing is equipped with liquid communication port a11, a12, a13, a14；
Speed regulation inner seat a0 is to be movably set in casing the simultaneously mobile prionotron axis of energy opposing valve sleeves pull, one end activity of prionotron axis
It is arranged in casing and forms movable end a01, the other end of prionotron axis is pull end, and pull end is equipped with for adjusting the speed key a04
Plug the key mouth a03 to drive prionotron axis mobile relative to straight pipe pull.Flowtube c have it is multiple, flowtube c1, c2,
C3, c4, outlet tube d are connected to multiple flowtube c1, c2, c3, c4.
Move horizontally pipe axis by moving horizontally speed regulation key a04, thus open out liquid communication port a11, a12, a13,
A14 so that corresponding flowtube c1, c2, c3, c4 are unimpeded, and then is flowed out from outlet tube d.The movable end a01 of prionotron axis is set
There is rubber plug a010, it is ensured that leakproofness.
It in the present embodiment further include shell, shell is coated on inlet tube, speed regulating structure and outlet tube, and shell, which is equipped with, to be supplied
Inlet tube and the outlet tube tube opening stretched out and the key being adapted to key mouth opening.
The speed regulating method of the multi-speed regulating device of the present embodiment infusion pump is illustrated below:
As shown in fig. 7, the referred to as multi-speed of through type infusion pump adjusts dress since the outer seat a1 of speed regulating structure a is straight pipe
It sets.For example, the flow velocity of flowtube c1, c2, c3, c4 are all 2ml/h, adjustable four kinds different in flow rate.When clinical use, medical care
Personnel first set amount of infusion according to the state of an illness, are plugged in key mouth a03 by moving horizontally speed regulation key by adjusting the speed key a04
A04 moves horizontally pipe axis, to open out liquid communication port a11, a12, a13, a14 so that corresponding flowtube c1, c2, c3,
C4 is unimpeded, and then flows out from outlet tube d.Here is to obtain the operating method of different flow velocitys::
One, when medical staff sets amount of infusion as the flow velocity of 2ml/h according to the state of an illness, i.e., it is required that multi-speed regulating device
Flow velocity be 2ml/h, using speed regulation key a04 insertion keyhole a03 in move horizontally pipe axis, open out liquid communication port a11, make
Corresponding flowtube c1 it is unimpeded, solution flows into speed regulating structure a from inlet tube b, is flowed out to accordingly by going out liquid communication port a11
Flowtube c1 in, finally flowed out from outlet tube d, realize the flow velocity of 2ml/h.
Two, when medical staff sets amount of infusion as the flow velocity of 4ml/h according to the state of an illness, i.e., it is required that multi-speed regulating device
Flow velocity be 4ml/h, using speed regulation key a04 insertion keyhole a03 in move horizontally pipe axis, open out liquid communication port a11 and
A12, so that corresponding flowtube c1 and c2 are unimpeded, solution flows into speed regulating structure a from inlet tube b, by going out liquid communication port a11
It flows out in corresponding flowtube c1, is flowed out in corresponding flowtube c2 by a12, be finally pooled in outlet tube d and flow out,
Realize the flow velocity of 4ml/h.
Three, when medical staff sets amount of infusion as the flow velocity of 6ml/h according to the state of an illness, i.e., it is required that multi-speed regulating device
Flow velocity be 6ml/h, using speed regulation key a04 insertion keyhole a03 in move horizontally pipe axis, open out liquid communication port a11,
A12 and a13, so that corresponding flowtube c1, c2 and c3 are unimpeded, solution flows into speed regulating structure a from inlet tube b, by going out liquid
Communication port a11 is flowed out in corresponding flowtube c1, is flowed out in corresponding flowtube c2 by a12, is flowed out to phase by a13
It in the flowtube c3 answered, is finally pooled in outlet tube d and flows out, realize the flow velocity of 6ml/h.
Four, when medical staff sets amount of infusion as the flow velocity of 8ml/h according to the state of an illness, i.e., it is required that multi-speed regulating device
Flow velocity be 6ml/h, using speed regulation key a04 insertion keyhole a03 in move horizontally pipe axis, open out liquid communication port a11,
A12, a13 and a14, so that corresponding flowtube c1, c2, c3 and c4 are unimpeded, solution flows into speed regulating structure a from inlet tube b, leads to
It crosses out liquid communication port a11 to flow out in corresponding flowtube c1, is flowed out in corresponding flowtube c2 by a12, flowed by a13
Out into corresponding flowtube c3, is flowed out in corresponding flowtube c4 by a14, be finally pooled in outlet tube d and flow out, it is real
The flow velocity of existing 8ml/h.
It in the present embodiment further include shell, shell is coated on inlet tube, speed regulating structure and outlet tube, and shell is equipped with
The tube opening stretched out for inlet tube and outlet tube and the key opening being adapted to key mouth.
The multi-speed regulating device of infusion pump of the present invention has the beneficial effect that
By speed regulating structure instead of using switch that silicone tube is stuck in the prior art, solve silicone tube deformation, it is difficult
To restore, silica gel pipeline obstruction is not achieved the flow velocity of needs, can not effectively mitigate the pain of patient；Silicone tube cracky, leads
The problem of causing medicine liquid leakage, analgesic effect be not achieved, being likely to become the insecurity factor for influencing analgesic effect.Infusion pump of the present invention
Multi-speed regulating device ensure that flowtube is unobstructed, flow velocity is more accurate, safer for patient, reaches the analgesia effect of needs
Fruit, in addition the multi-speed regulating device of infusion pump of the present invention is structurally reasonable simple, for medical staff, operates more simple side
Just.
The present invention has been described in detail with reference to the accompanying drawings, those skilled in the art can be according to upper
It states and bright many variations example is made to the present invention.Thus, certain details in embodiment should not constitute limitation of the invention, this
Invention will be using the range that the appended claims define as protection scope of the present invention.
Claims (4)
1. a kind of multi-speed regulating device of infusion pump characterized by comprising
Speed regulating structure, comprising: outer seat, the outer seat are equipped with a feed liquor communication port and multiple liquid communication ports out；Inner seat is adjusted the speed, it is living
It is dynamic to be sheathed in the outer seat, the feed liquor communication port and the liquid communication port out are adjusted by being active in the outer seat relatively
Connected relation；
Inlet tube is connected to the feed liquor communication port of the outer seat；And multiple liquid stream burets out, multiple flow quantities out
Pipe is corresponding with multiple liquid communication ports out of the outer seat respectively to be connected to；
The outer seat is valve pocket, and the speed regulation inner seat is the tune that is movably set in the valve pocket and can rotate relative to the valve pocket
Fast valve shaft, the inside of the speed regulation valve shaft are equipped with the communication channel that can adapt to the feed liquor communication port and the liquid communication port out；
The communication channel includes direct-connected logical positioned at the feed liquor direct channel of the center of the speed regulation inner seat and with the feed liquor
Road connection goes out liquid communication channel.
2. a kind of multi-speed regulating device of infusion pump characterized by comprising
Speed regulating structure, comprising: outer seat, the outer seat are equipped with a feed liquor communication port and multiple liquid communication ports out；Inner seat is adjusted the speed, it is living
Dynamic to be sheathed in the outer seat, by being active in relatively, the outer seat adjusts the feed liquor communication port and multiple liquid out connect
The connected relation of port；
Inlet tube is connected to the feed liquor communication port of the outer seat；And multiple liquid stream burets out, multiple flow quantities out
Pipe is corresponding with multiple liquid communication ports out of the outer seat respectively to be connected to；
The outer seat is hollow casing, and described sleeve pipe is connected to the inlet tube as feed liquor communication port, the pipe of described sleeve pipe
Wall is equipped with multiple liquid communication ports out；The speed regulation inner seat is to be movably set in described sleeve pipe and can the relatively described outer seat
The mobile prionotron axis of pull, one end of the prionotron axis are actively located in described sleeve pipe and form movable end, the tune
The other end of fast pipe axis forms pull end.
3. a kind of speed regulating method of the multi-speed regulating device of infusion pump characterized by comprising provide a kind of such as claim 1
The multi-speed regulating device of the infusion pump；
Determine the flow velocity of the multi-speed regulating device of the required infusion pump；And it is the speed regulation inner seat is opposite with the outer seat
Activity, the connected relation for adjusting the feed liquor communication port and the liquid communication port out lead to so that solution is flowed into from the inlet tube
It crosses after the speed regulating structure and is flowed out with determining flow velocity from the liquid stream buret out；
The connected relation of adjustment the liquid communication channel out and the liquid stream buret out, comprising: rotate the speed regulation valve shaft, the tune
The liquid communication channel out of fast valve shaft is connected to or is closed with the liquid stream buret out, so that solution is flowed into from the inlet tube,
By being flowed out with determining flow velocity from the liquid stream buret out after the speed regulating structure.
4. a kind of speed regulating method of the multi-speed regulating device of infusion pump characterized by comprising provide a kind of claim 2 institute
The multi-speed regulating device for the infusion pump stated；
Determine the flow velocity of the multi-speed regulating device of the required infusion pump；And it is the speed regulation inner seat is opposite with the outer seat
Activity, the connected relation for adjusting the feed liquor communication port and the liquid communication port out lead to so that solution is flowed into from the inlet tube
It crosses after the speed regulating structure and is flowed out with determining flow velocity from the liquid stream buret out；
Adjust the feed liquor communication port with it is described go out liquid communication port be connected to, comprising: drive the prionotron axis relative to described
Casing pull is mobile, make it is described go out liquid communication port with it is corresponding it is described go out the connection of liquid stream buret or to be closed, solution from it is described into
Liquid pipe flows into, by flowing out after the speed regulating structure from the liquid stream buret out with determining flow velocity.
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| CN201510135462.9A CN104721920B (en) | 2015-03-26 | 2015-03-26 | A kind of the multi-speed regulating device and its speed regulating method of infusion pump |
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Address after: 225000, Tongxin County, Yangzhou Town, Guangling District, Jiangsu Co-patentee after: Army Medical Univ. No.2, Chinese PLA Patentee after: Jiangsu Weimao Medical Technology Co., Ltd. Address before: 225000, Tongxin County, Yangzhou Town, Guangling District, Jiangsu Co-patentee before: Army Medical Univ. No.2, Chinese PLA Patentee before: Jiangsu Yang Pu medical science and technology company limited |
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