CN109481782A - Syringe pump - Google Patents
Syringe pump Download PDFInfo
- Publication number
- CN109481782A CN109481782A CN201811654360.8A CN201811654360A CN109481782A CN 109481782 A CN109481782 A CN 109481782A CN 201811654360 A CN201811654360 A CN 201811654360A CN 109481782 A CN109481782 A CN 109481782A
- Authority
- CN
- China
- Prior art keywords
- nut
- torsion bar
- push
- trigger member
- detector
- 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.)
- Pending
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Classifications
-
- 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
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
-
- 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
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
Abstract
The present invention discloses a kind of syringe pump, including push-and-pull case assembly, and push-and-pull case assembly includes box body, transmission component and detection device；Box body is in hollow setting；Transmission component includes torsion bar, nut and screw rod, and torsion bar is arranged in box body, and nut is set to one end of torsion bar, and nut has the first position engaged with screw rod, and the second position separated with screw rod with the rotation of torsion bar；Detection device includes detector and signal trigger member, and detector is set to box body, and signal trigger member is set to the other end of torsion bar, and signal trigger member is moved with the rotation of torsion bar；When nut is located at first position, signal trigger member is located in the detection zone of detector；When nut is located at the second position, signal trigger member is located at outside the detection zone of detector.The syringe pump that technical solution of the present invention provides, safety in utilization is higher, can effectively avoid the generation of malpractice.
Description
Technical field
The present invention relates to field of medical device, in particular to a kind of syringe pump.
Background technique
Syringe pump is a kind of medical instrument for venous transfusion.Existing topping-up pump generally comprises pedestal and fixed injection
The push-and-pull case assembly of device piston, push-and-pull case assembly is to drive syringe piston to move by feed screw nut's engagement.However, existing
Some syringe pump safety in utilization are lower.This is because can not detect that screw rod is separated with nut when injecting pump work,
Namely it can not judge push and pull case assembly whether can the movement of normal driving syringe piston.In this way, if nut and screw rod occur to divide
From, then will lead to push-and-pull case assembly can not normal driving syringe piston it is mobile, the liquid in syringe can not be injected at this time
To with patient, so that the treatment to patient can be delayed, or even the malpractice of patient's death is caused.
Summary of the invention
The main object of the present invention is to propose a kind of syringe pump, it is intended to improve the safety in utilization of syringe pump.
To achieve the above object, a kind of syringe pump proposed by the present invention, including push-and-pull case assembly, the push-and-pull case assembly packet
It includes:
Box body, the box body are in hollow setting；
Transmission component, including torsion bar, nut and screw rod, the torsion bar are arranged in the box body, and the nut is set to institute
State one end of torsion bar, the nut has the first position engaged with the screw rod with the rotation of the torsion bar, and with institute
State the second position of screw rod separation；
Detection device, including detector and signal trigger member, the detector are set to the box body, the signal triggering
Part is set to the other end of the torsion bar, and the signal trigger member is moved with the rotation of the torsion bar；When the nut is located at
When the first position, the signal trigger member is located in the detection zone of the detector；When the nut is located at described the
When two positions, the signal trigger member is located at outside the detection zone of the detector.
Optionally, the detector is optocoupler, and the signal trigger member is optocoupler block.
Optionally, the detector is Hall sensor, and the signal trigger member is magnet.
Optionally, the push-and-pull case assembly further include:
Sleeve, the sleeve are sheathed on outside the torsion bar；
Sliding shoe, the sliding shoe connect the sleeve, and the sliding shoe has installation cavity, and the installation cavity is close to described
One end of screw rod is located in the installation cavity in open setting, the nut portion；And first elastic component, it is set to the peace
In behaveing affectedly, first elastic component connects the nut, so that the nut is reset to described first from the second position
It sets.
Optionally, the sliding shoe is provided with limiting slot close to one end of the screw rod, and the screw rod is located at the limit
In slot.
Optionally, the push-and-pull case assembly further includes the guide rod extended along the length direction of the sleeve, the sliding
Block is slidably connected with the guide rod.
Optionally, the push-and-pull case assembly further includes potentiometer, and the potentiometer includes potentiometer sliding handle, the potentiometer
Sliding handle is installed on the sliding shoe.
Optionally, the push-and-pull case assembly further includes clamping piece, and the clamping piece includes two clamping parts, two clamping parts
It relatively rotates, to clamp the piston of syringe.
Optionally, the push-and-pull case assembly further include:
Clip shifting part, connects the torsion bar, and the signal trigger member is set on the clip shifting part；
Clip opens and closes push plate, and rotational installation is flexibly connected in the box body, and with the clip shifting part；The clip is opened
It closes and is provided with two mounting posts connecting respectively with two clamping parts in push plate, be provided with external screw thread in the mounting post；It is described
Box body has mounting base, and the mounting base provides the mounting hole passed through for the mounting post, is equipped with and institute in the mounting hole
State the internal screw thread of external screw thread adaptation.
Optionally, the push-and-pull case assembly further includes the second elastic component, and second elastic component is sheathed on the mounting post
Outside, and clip described in elastic connection opens and closes push plate and the mounting base.
The push-and-pull case assembly of syringe pump of the present invention includes box body, transmission component and detection device；The box body is set in hollow
It sets；The transmission component includes torsion bar, nut and screw rod, and the torsion bar is arranged in the box body, and the nut is set to described
One end of torsion bar, the nut have the first position engaged with screw rod with the rotation of torsion bar, and the separated with screw rod
Two positions；The detection device includes detector and signal trigger member, and the detector is set to the box body, the signal touching
Outbox is set to the other end of torsion bar, and the signal trigger member is moved with the rotation of the torsion bar.In this way, working as the nut position
When the first position, the signal trigger member is located in the detection zone of the detector；Described in being located at when the nut
When the second position, the signal trigger member is located at outside the detection zone of the detector.So syringe pump provided by the invention,
It is able to detect that nut is separated with screw rod, so as to be effectively prevented from the generation of malpractice, improves making for syringe pump
Use safety.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the first use state diagram of syringe pump of the present invention；
Fig. 2 is the second use state diagram of syringe of the present invention；
Fig. 3 is located at schematic diagram when first position for the nut of syringe of the present invention；
Fig. 4 is located at the schematic diagram when second position for the nut of syringe of the present invention；
Fig. 5 is the assembling detail figure of tray interior in Fig. 1；
Fig. 6 is that signal trigger member is located at the schematic diagram in the detection zone of detector in Fig. 1；
Fig. 7 is that signal trigger member is located at the schematic diagram outside the detection zone of detector in Fig. 1；
Fig. 8 is the structural schematic diagram of sliding shoe in Fig. 1；
Fig. 9 is the assembling detail figure of torsion bar and clamping driving member, clamping piece in Fig. 1.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.In addition, the meaning of the "and/or" occurred in full text is, and including three schemes arranged side by side, by taking " A and/or B " as an example, including A
The scheme that scheme or B scheme or A and B meet simultaneously.
It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of syringe pump.In general, syringe pump includes pedestal and push-and-pull case assembly, push-and-pull case assembly is used
In fixed syringe piston, and movement is pushed syringe piston, to realize infusion.
A kind of syringe pump 300 proposed by the present invention referring to FIG. 1 to FIG. 4, including push-and-pull case assembly 100, the sliding box
Component 100 includes box body 110, transmission component 120 and detection device 124, and the box body 110 is in hollow setting；The transmission
Component 120 includes torsion bar 121, nut 122 and screw rod 123, and the torsion bar 121 is arranged in the box body 110, the nut 122
It is set to one end of the torsion bar 121, the nut 122 has and engages with the screw rod 123 with the rotation of the torsion bar 121
First position, and the second position isolated with the screw rod 123.The detection device 124 includes detector 1241 and letter
Number trigger member 1242 (as shown in Figure 5 and Figure 6), the detector 1241 are set to the box body 110, the signal trigger member
1242 are set to the other end of the torsion bar 121, and the signal trigger member 1242 is moved with the rotation of the torsion bar 121.When
When the nut 122 is located at the first position, the signal trigger member 1242 is located at the detection zone of the detector 1241
It is interior；When the nut 122 is located at the second position, the signal trigger member 1242 is located at the detection of the detector 1241
Outside region.
In embodiments of the present invention, the pedestal 200 includes substrate 210, and the substrate 210 extends transversely.The base
One end of plate 210 is provided with motor mounting plate 220, and the other end of the substrate 210 is provided with guide support plate 230, the electricity
The ipsilateral extension (as shown in Figure 1) of machine mounting plate 220 and the guide support plate 230 towards the substrate 210.The sliding box
Component 100 is slidably connected with the pedestal 200, in this way, the push-and-pull case assembly 100 can push syringe piston movement.Specifically
Ground, the push-and-pull case assembly 100 further includes the sleeve 125 connecting with the box body 110, and the sleeve 125 is sheathed on the torsion
Outside bar 121, the torsion bar 121 can be rotated relative to the sleeve 125.The nut 122 is set to one end of the torsion bar 121,
When the torsion bar 121 rotation, the nut 122 can be moved to the second position from the first position, and from described second
Position is moved to first position.The signal trigger member 1242 is set to the other end of the torsion bar 121, and the torsion bar 121 revolves
When turning, the signal trigger member 1242 is rotated with the rotation of the torsion bar 121.When the signal trigger member 1242 turns to
When in the detection zone of the detector 1241, the nut 122 is located at the position engaged with the screw rod 123, namely
The nut 122 is located at the first position；When the signal trigger member 1242 turns to the inspection positioned at the detector 1241
When surveying outside region, the nut 122 is located at the position isolated with the screw rod 123 namely the nut 122 is located at described second
Position.
In this way, if detector 1241 detects that the signal trigger member 1242 is located in the detection zone of detector 1241,
The nut 122 is located at the position (first position) engaged with screw rod 123 at this time, then exportable 123 spiral shell of screw rod of detector 1241
The electric signal of 122 engagement of mother；If detector 1241 detects that the signal trigger member 1242 is located at the detection zone of detector 1241
Overseas, the nut 122 is located at the position (second position) isolated with screw rod 123 at this time, then detector 1241 exports screw rod 123
The isolated electric signal of nut 122.So user or syringe itself can accuracy judge to push and pull whether case assembly 100 occurs
Failure, so as to be effectively prevented from the generation of malpractice.And in the prior art, user or syringe itself be can not be accurate
Judge to push and pull what whether case assembly 100 broke down, thus may cause push-and-pull case assembly 100 can not normal driving syringe
Piston is mobile and output liquid, to can be delayed the treatment to patient, or even causes the malpractice of patient's death.About described
The structure of detection device 124 can there are many, be not specifically limited herein.For example, in one embodiment, the detector 1241
For optocoupler, the signal trigger member 1242 is optocoupler block.In another example in another embodiment, the detector 1241 is suddenly
That sensor, the signal trigger member 1242 are magnet.
In embodiments of the present invention, the push-and-pull case assembly 100 further includes driving device 160, and the driving device 160 is pacified
Loaded on the motor mounting plate 220, to drive the push-and-pull case assembly 100 mobile.Specifically, the driving device 160
For stepper motor.In one embodiment, the driving device 160 drives the push-and-pull case assembly 100 to move by gear set 161
Dynamic, the gear set 161 includes driving gear, driven gear, and the biography of the connection driving gear and the driven gear
Moving gear, the driving gear connect the driving device 160, and the driven gear connects the screw rod 123.In this way, described
Driving device 160 drives driving gear rotation, and the driving gear drives the transmission gear rotation, and the transmission gear drives
The driven gear rotation, and then the screw rod 123 is driven to rotate；The rotation of screw rod 123 drives the nut 122 transversely
It is mobile, so that the box body 110 be driven to laterally move.It should be noted that being provided on the box body 110 for clamping note
The clamping piece 140 of emitter piston, after being held on syringe piston on the clamping piece 140, syringe piston can be with box body 110
Movement and move, to realize infusion.Here, the quantity about the transmission gear is not specifically limited.In order to obtain compared with
Big reduction ratio, allows topping-up pump to more precisely control amount of infusion, and the quantity of the transmission gear can be three.
The push-and-pull case assembly 100 of syringe pump 300 of the present invention includes box body 110, transmission component 120 and detection device 124；Institute
Box body 110 is stated in hollow setting；The transmission component 120 includes torsion bar 121, nut 122 and screw rod 123, and the torsion bar 121 is worn
Set on the box body 110, the nut 122 is set to one end of the torsion bar 121, the nut 122 with torsion bar 121 rotation
And there is the first position engaged with screw rod 123, and the second position isolated with screw rod 123；The detection device 124 includes
Detector 1241 and signal trigger member 1242, the detector 1241 are set to the box body 110, the signal trigger member 1242
It is set to the other end of torsion bar 121, the signal trigger member 1242 is moved with the rotation of the torsion bar 121.In this way, when described
When nut 122 is located at the first position, the signal trigger member 1242 is located in the detection zone of the detector 1241；When
When the nut 122 is located at the second position, the signal trigger member 1242 is located at the detection zone of the detector 1241
Outside.So syringe pump 300 provided by the invention, is able to detect that nut 122 is separated with screw rod 123, so as to effectively
The generation for avoiding malpractice improves the safety in utilization of syringe pump 300.
Fig. 1, Fig. 2 and Fig. 8 are please referred to, the push-and-pull case assembly 100 further includes sliding shoe 126, and the sliding shoe 126 connects
The sleeve 125.Wherein, the connection type of the sliding shoe 126 and the sleeve 125 has more, such as screw connection or card
Close connection etc..In one embodiment, installation through-hole 1263 (as shown in Figure 8), the sleeve are provided on the sliding shoe 126
125 pass through the installation through-hole 1263, offer the first screw hole on the sliding shoe 126, offer on the sleeve 125 and the
Corresponding second screw hole of one screw hole, the sliding shoe 126 and the sleeve 125 by screw be inserted into first screw hole with it is described
Second screw hole and be fixedly connected.
Referring to Fig. 8, the sliding shoe 126 has installation cavity 1261, the installation cavity 1261 is close to the screw rod 123
In open setting, 122 part of nut is located in the installation cavity 1261, and connect with the torsion bar 121 for one end.It is specific and
Speech, the installation cavity 1261 are connected to the installation through-hole 1263, and the sleeve 125 is located at the cylinder in the installation through-hole 1263
Installing port is offered on wall, so that the nut 122 is inserted into the sleeve 125, is connect with the torsion bar 121.When driving fills
When setting the driving screw rod 123 rotation, the nut 122 is engaged with the screw rod 123, and is laterally moved；The nut 122
It is mobile to drive the sliding shoe 126 to laterally move in turn.
Further, Fig. 3 and Fig. 4 are please referred to, in order to enable the nut 122 is reset to described from the second position
One position can realize automatically reseting for nut 122 by setting elastic component.Specifically, it is provided in the installation cavity 1261
The first elastic component 127 connecting with the nut 122, first elastic component 127 is to make the nut 122 from described second
Position is reset to the first position.Specifically, first elastic component 127 is pressure spring.
Further, in order to guarantee at first position, screw rod 123 can be engaged preferably with nut 122, the sliding
Block 126 is provided with limiting slot 1262 close to one end of the screw rod 123, and the screw rod 123 is located in the limiting slot 1262.Separately
Outside, in order to guarantee that sliding shoe 126 laterally moves, the push-and-pull case assembly 100 further includes the length direction along the sleeve 125
The guide rod 130 of extension, the both ends of the guide rod 130 are separately connected the motor mounting plate 220 and the guide support plate
230, the sliding shoe 126 is slidably connected with the guide rod 130.The quantity of the guide rod 130 is not specifically limited, can be with
For one, two or more etc..
Again referring to Fig. 1, in order to more accurately metered shot device amount of infusion, the shifting of detection syringe piston can be passed through
Dynamic position, to monitor amount of infusion in real time.In one embodiment, the push-and-pull case assembly 100 further includes potentiometer 128, the electricity
Position device 128 includes resistor body (not shown) and the potentiometer sliding handle 129 along resistor body sliding, and the potentiometer 128 connects
The motor mounting plate 220 and the guide support plate 230, the potentiometer sliding handle 129 are installed on the sliding shoe 126.
In this way, the potentiometer sliding handle 129 is moved together with the sliding shoe 126, and change the electric potential signal of potentiometer 128, thus
The position of sliding shoe 126 can be judged by the position of potentiometer sliding handle 129, and then judge the shift position of syringe piston.
It should be noted that the sliding shoe 126 will not be sent out when screw rod 123 is separated with nut 122 in push-and-pull case assembly 100
Raw movement, the potentiometer sliding handle 129 will not move, meanwhile, the syringe piston will not move and output liquid.This
When, if the detector 1241 breaks down and the detection zone that the signal trigger member 1242 is located at detector 1241 is not detected
The overseas namely described detector 1241 is not detected screw rod 123 and separates with nut 122, and the potentiometer 128 can be according to electricity
The position of position device sliding handle 129 is accurately judged to that syringe piston does not occur mobile and output liquid namely the potentiometer 128 can
It is accurately judged to the non-output liquid of syringe, to provide medical safety guarantee to the maximum extent.In this embodiment, described
The stroke of potentiometer 128 substantially 120MM.
On the basis of the various embodiments described above, the push-and-pull case assembly 100 further includes the control for being set to the box body 110
Handle 170 (as shown in Figure 1).Specifically, the box 110 has box cover 112, and the control handle 170 is set to the box cover
On 112.The control handle 170 is connect with the torsion bar 121 far from one end of the nut 122, and drives the torsion bar 121
Rotation.The control handle 170 can drive the torsion bar 121 to rotate, and then the clamping piece 140 is driven to open, for injection
The clamping of device piston.When needing to clamp syringe piston, it can be applied to control 170 1 active force of handle, by driving torsion bar 121
It rotates to drive the clamping piece 140 to open, and syringe piston is inserted into the clamping piece 140；Later, revocation is applied to control
The active force of handle 170 processed, the syringe piston can be fixedly clamped by the clamping piece 140 at this time.Specifically, the clamping
Part 140 includes two clamping parts 141, and two clamping parts 141 relatively rotate, to clamp the piston of syringe.
In one embodiment, the control handle 170 drives the torsion bar 121 to rotate, and the torsion bar 121 is passed by one
Motivation structure drives the control handle 179 to open.Specifically, please referring to Fig. 5 and Fig. 8, the push-and-pull case assembly 100 is also wrapped
Transmission mechanism is included, the transmission mechanism includes clip shifting part 151 and clip folding push plate 152.The clip shifting part 151 connects
The torsion bar 121 is connect, the signal trigger member 1242 may be disposed on the clip shifting part 151, certainly, the signal triggering
Part 1242 can also be not provided on the clip shifting part 151.The clip folding rotational installation of push plate 152 is in the box body
110, and be flexibly connected with the clip shifting part 151；Be provided in clip folding push plate 152 respectively with two clampings
Two mounting posts 153 that portion 141 connects are provided with external screw thread in the mounting post 153；The box body 110 has mounting base 111,
The mounting base 111 provides the mounting hole passed through for the mounting post 153, is equipped in the mounting hole suitable with the external screw thread
The internal screw thread matched.
When rotating in view of torsion bar 121, the signal trigger member 1242 and the nut 122 can be with torsion bars 121
It rotates and rotates.When the torsion bar 121, which rotates to, opens the clamping piece 140, the signal trigger member 1242 can be moved
To outside the detection zone of the detector 1241, the nut 122 be can rotate to the position (second isolated with the screw rod 121
It sets).So in order to enable the signal trigger member 1242 is reset to initial position, (the signal trigger member 1242 is located at described
In the detection zone of detector 1241), meanwhile, also for making the nut 122 be reset to described from the second position
One position, the transmission mechanism further include the second elastic component 154, and second elastic component 154 is sheathed on the mounting post 153
Outside, and clip described in elastic connection opens and closes push plate 152 and the mounting base 111.When the effect for being applied to the control handle 170
After power revocation, the clip folding push plate 152 returns back to original position under the elastic recovery effect of second elastic component 154, into
And the clip shifting part 151 is also reset to original position, so that the torsion bar 121 be driven to rotate in the opposite direction and drive the signal
Trigger member 1242 is reset to initial position.
On the basis of the various embodiments described above, the syringe pump 300 further includes master control borad, and the master control borad connects the inspection
Device 1241 and the driving device 160 are surveyed, to detect that the signal trigger member 1242 is located at inspection when the detector 1241
It surveys outside the detection zone of device 1241, it is out of service to control the driving device 160.In this way, syringe pump 300 of the present invention can accurately be sentenced
The disconnected push-and-pull case assembly 100 out breaks down, to will not be delayed the treatment to patient, less will cause the doctor of patient's death
Treatment accident.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of syringe pump, including push-and-pull case assembly, which is characterized in that the push-and-pull case assembly includes:
Box body, the box body are in hollow setting；
Transmission component, including torsion bar, nut and screw rod, the torsion bar are arranged in the box body, and the nut is set to the torsion
One end of bar, the nut have the first position engaged with the screw rod with the rotation of the torsion bar, and with the silk
The second position of bar separation；
Detection device, including detector and signal trigger member, the detector are set to the box body, and the signal trigger member is set
It is placed in the other end of the torsion bar, the signal trigger member is moved with the rotation of the torsion bar；Described in being located at when the nut
When first position, the signal trigger member is located in the detection zone of the detector；When the nut is located at the second
When setting, the signal trigger member is located at outside the detection zone of the detector.
2. syringe pump as described in claim 1, which is characterized in that the detector is optocoupler, and the signal trigger member is light
Coupling block.
3. syringe pump as described in claim 1, which is characterized in that the detector is Hall sensor, the signal triggering
Part is magnet.
4. syringe pump as described in claim 1, which is characterized in that the push-and-pull case assembly further include:
Sleeve, the sleeve are sheathed on outside the torsion bar；
Sliding shoe, the sliding shoe connect the sleeve, and the sliding shoe has installation cavity, and the installation cavity is close to the screw rod
One end in open setting, the nut portion is located in the installation cavity；And
First elastic component is set in the installation cavity, and first elastic component connects the nut, so that the nut is from institute
It states the second position and is reset to the first position.
5. syringe pump as claimed in claim 4, which is characterized in that the sliding shoe is limited close to the setting of one end of the screw rod
Position slot, the screw rod are located in the limiting slot.
6. syringe pump as claimed in claim 4, which is characterized in that the push-and-pull case assembly further includes the length along the sleeve
The guide rod that direction extends, the sliding shoe are slidably connected with the guide rod.
7. syringe pump as claimed in claim 4, which is characterized in that the push-and-pull case assembly further includes potentiometer, the current potential
Device includes potentiometer sliding handle, and the potentiometer sliding handle is installed on the sliding shoe.
8. syringe pump as claimed in any one of claims 1 to 7, which is characterized in that the push-and-pull case assembly further includes clamping
Part, the clamping piece include two clamping parts, and two clamping parts relatively rotate, to clamp the piston of syringe.
9. syringe pump as claimed in claim 8, which is characterized in that the push-and-pull case assembly further include:
Clip shifting part, connects the torsion bar, and the signal trigger member is set on the clip shifting part；
Clip opens and closes push plate, and rotational installation is flexibly connected in the box body, and with the clip shifting part；The clip folding pushes away
It is provided with two mounting posts connecting respectively with two clamping parts on plate, is provided with external screw thread in the mounting post；The box body
With mounting base, the mounting base provides the mounting hole passed through for the mounting post, be equipped in the mounting hole with it is described outer
The internal screw thread of threaded adapter.
10. syringe pump as claimed in claim 9, which is characterized in that the push-and-pull case assembly further includes the second elastic component, described
Second elastic component is sheathed on outside the mounting post, and the folding push plate of clip described in elastic connection and the mounting base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811654360.8A CN109481782A (en) | 2018-12-29 | 2018-12-29 | Syringe pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811654360.8A CN109481782A (en) | 2018-12-29 | 2018-12-29 | Syringe pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109481782A true CN109481782A (en) | 2019-03-19 |
Family
ID=65713645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811654360.8A Pending CN109481782A (en) | 2018-12-29 | 2018-12-29 | Syringe pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109481782A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110812589A (en) * | 2019-11-28 | 2020-02-21 | 徐州医科大学附属医院 | Sound control children vein puncture device |
| WO2021093325A1 (en) * | 2019-11-15 | 2021-05-20 | 深圳迈瑞科技有限公司 | Injection pump |
| CN114711913A (en) * | 2022-03-22 | 2022-07-08 | 浙江大学 | Voice-operated medicine syringe |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201008675Y (en) * | 2007-03-30 | 2008-01-23 | 林彰焱 | Injection pump with function of extending tube fall off alarm and LCD screen dot matrix display |
| CN102266602A (en) * | 2010-12-31 | 2011-12-07 | 北京谊安医疗系统股份有限公司 | Real-time detection mechanism of injection system, and injection system with same |
| CN203458650U (en) * | 2013-08-06 | 2014-03-05 | 珠海市美瑞华医用科技有限公司 | Injection pump capable of detecting error loading of injector |
| CN104147657A (en) * | 2013-05-15 | 2014-11-19 | 深圳市深科医疗器械技术开发有限公司 | Injection pump and driving device thereof |
| CN204468898U (en) * | 2014-12-03 | 2015-07-15 | 深圳市好克光电仪器有限公司 | Syringe pump sliding box opening and closing clamp device |
| CN105066860A (en) * | 2015-08-04 | 2015-11-18 | 深圳康罗技术有限公司 | Mechanism and method for detecting sliding block position of medical injection pump |
| CN105339021A (en) * | 2013-03-19 | 2016-02-17 | 株式会社Jms | Syringe pump and syringe pump control method |
| CN105343967A (en) * | 2015-11-20 | 2016-02-24 | 深圳影迈科技股份有限公司 | Push-and-pull box assembly of syringe pump and syringe pump |
| CN105363101A (en) * | 2015-11-20 | 2016-03-02 | 深圳影迈科技股份有限公司 | Alarm device of injection pump and injection pump |
| CN105664289A (en) * | 2015-12-31 | 2016-06-15 | 深圳麦科田生物医疗技术有限公司 | Injection pump |
| CN107362411A (en) * | 2017-06-21 | 2017-11-21 | 深圳麦科田生物医疗技术有限公司 | Inject pump drive assembly and its syringe pump of application |
| US20170333623A1 (en) * | 2011-12-21 | 2017-11-23 | Deka Products Limited Partnership | Syringe Pump, and Related Method and System |
| CN107421449A (en) * | 2017-06-17 | 2017-12-01 | 广州腾迈医疗科技有限公司 | Syringe pump linear precision detection means, the detection method using the device and the syringe pump with detection means |
| CN207370947U (en) * | 2017-03-17 | 2018-05-18 | 深圳市好克医疗仪器股份有限公司 | A kind of syringe pump syringe calibration system |
| CN108302176A (en) * | 2018-03-08 | 2018-07-20 | 深圳市深科医疗器械技术有限公司 | A kind of driving device being provided with clockwork spring |
| CN208229176U (en) * | 2017-06-05 | 2018-12-14 | 浙江史密斯医学仪器有限公司 | A kind of highly compatible syringe pump push top |
-
2018
- 2018-12-29 CN CN201811654360.8A patent/CN109481782A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201008675Y (en) * | 2007-03-30 | 2008-01-23 | 林彰焱 | Injection pump with function of extending tube fall off alarm and LCD screen dot matrix display |
| CN102266602A (en) * | 2010-12-31 | 2011-12-07 | 北京谊安医疗系统股份有限公司 | Real-time detection mechanism of injection system, and injection system with same |
| US20170333623A1 (en) * | 2011-12-21 | 2017-11-23 | Deka Products Limited Partnership | Syringe Pump, and Related Method and System |
| CN105339021A (en) * | 2013-03-19 | 2016-02-17 | 株式会社Jms | Syringe pump and syringe pump control method |
| CN104147657A (en) * | 2013-05-15 | 2014-11-19 | 深圳市深科医疗器械技术开发有限公司 | Injection pump and driving device thereof |
| CN203458650U (en) * | 2013-08-06 | 2014-03-05 | 珠海市美瑞华医用科技有限公司 | Injection pump capable of detecting error loading of injector |
| CN204468898U (en) * | 2014-12-03 | 2015-07-15 | 深圳市好克光电仪器有限公司 | Syringe pump sliding box opening and closing clamp device |
| CN105066860A (en) * | 2015-08-04 | 2015-11-18 | 深圳康罗技术有限公司 | Mechanism and method for detecting sliding block position of medical injection pump |
| CN105363101A (en) * | 2015-11-20 | 2016-03-02 | 深圳影迈科技股份有限公司 | Alarm device of injection pump and injection pump |
| CN105343967A (en) * | 2015-11-20 | 2016-02-24 | 深圳影迈科技股份有限公司 | Push-and-pull box assembly of syringe pump and syringe pump |
| CN105664289A (en) * | 2015-12-31 | 2016-06-15 | 深圳麦科田生物医疗技术有限公司 | Injection pump |
| CN207370947U (en) * | 2017-03-17 | 2018-05-18 | 深圳市好克医疗仪器股份有限公司 | A kind of syringe pump syringe calibration system |
| CN208229176U (en) * | 2017-06-05 | 2018-12-14 | 浙江史密斯医学仪器有限公司 | A kind of highly compatible syringe pump push top |
| CN107421449A (en) * | 2017-06-17 | 2017-12-01 | 广州腾迈医疗科技有限公司 | Syringe pump linear precision detection means, the detection method using the device and the syringe pump with detection means |
| CN107362411A (en) * | 2017-06-21 | 2017-11-21 | 深圳麦科田生物医疗技术有限公司 | Inject pump drive assembly and its syringe pump of application |
| CN108302176A (en) * | 2018-03-08 | 2018-07-20 | 深圳市深科医疗器械技术有限公司 | A kind of driving device being provided with clockwork spring |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021093325A1 (en) * | 2019-11-15 | 2021-05-20 | 深圳迈瑞科技有限公司 | Injection pump |
| CN110812589A (en) * | 2019-11-28 | 2020-02-21 | 徐州医科大学附属医院 | Sound control children vein puncture device |
| CN114711913A (en) * | 2022-03-22 | 2022-07-08 | 浙江大学 | Voice-operated medicine syringe |
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Application publication date: 20190319 |