CN206867472U - A kind of novel insulin pump with external catheter needle monitoring function - Google Patents
A kind of novel insulin pump with external catheter needle monitoring function Download PDFInfo
- Publication number
- CN206867472U CN206867472U CN201720054386.3U CN201720054386U CN206867472U CN 206867472 U CN206867472 U CN 206867472U CN 201720054386 U CN201720054386 U CN 201720054386U CN 206867472 U CN206867472 U CN 206867472U
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- China
- Prior art keywords
- pressure sensor
- screw rod
- warning device
- insulin pump
- catheter needle
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- 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.)
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Abstract
It the utility model is related to a kind of novel insulin pump with external catheter needle monitoring function, including screw rod (1), its described screw rod (1) is provided with pressure sensor (2) and warning device (3), the pressure sensor (2) and warning device (3) are arranged on the top of screw rod (1), and pressure sensor (2) is connected with warning device (3) by wire.Its advantage is shown:The pressure of insulin pump infusion catheter needle is monitored outside the utility model energy real-time volume, determines whether insulin pump catheter needle position is correct, so as to ensure the safe and punctual infusion of insulin in patient's subcutaneous fat.
Description
Technical field
Technical field of medical instruments is the utility model is related to, is that one kind has external catheter needle monitoring work(specifically
The novel insulin pump of energy.
Background technology
The defects of diabetes are the metabolic diseases using Persistent hyperglycemia as essential characteristic, and Etiological is insulin secretion
And (or) insulin resistance.Insulin pump is a kind of artificial pancreas, using the insulin input unit of artificial intelligence control, is led to
The mode of continuous subcutaneous infusion insulin is crossed, at utmost simulates the physiological secretion of insulin.Insulin pump is applied to all
Need the diabetic using insulin therapy, it is possible to reduce the variation of absorption of insulin, steadily control blood glucose, reduce low blood
The risk that sugar occurs.
Electric signal board that insulin pump is controlled by processor, screw rod, insulin syringe, the electricity of small and special electric machine driving
Pond, this several part of infusion catheter system form.Clock is stored on electronic information plate, needs the basal insulin that is transfused per hour
Dosage, the insulin dose being transfused when having meal, remaining insulin dose in current medicine storage, input in vivo and exported medicine
Foundation rate, additional quantity and enter information such as the boosts of medicine output before the meal when having inputted internal meal.Wherein small and special electric machine
It is the power section of insulin pump, it promotes spiral shape push rod, and rubber piston that is micro and accurately promoting medicine storage rear will
Insulin is accurately input in vivo.Infusion catheter system is made up of syringe needle and special conduit, it insulin pump, medicine storage with
Human body links together, and after syringe needle penetrates subcutis, is fixed in transparent adhesive film on skin, and usual syringe needle is embedding
The outside before stomach wall.
Hot weather, more, moist skin of perspiring, the sticking cloth of insulin pump A/C syringe needle be easy to relax and
Come off, then syringe needle will leave skin, so the patient for wearing insulin pump wants frequent O&E sticking cloth to fix
Situation, prevent when wearing syringe needle to extract insulin and there is no to be infused into situation in human body.It is additionally, since insulin pump
Need long periods of wear with patient, woven hose in the not short activity of patient it is possible that distortion, bending phenomena such as, these
Situation is likely to cause that insulin can not inject or implantation dosage is inaccurate, so as to cause the blood glucose fluctuation of patient.At present
In the market insulin pump on sale does not have infusion of insulin catheter needle position vitro detection function, potential safety hazard be present.
Chinese patent 200920235131.2 discloses a kind of pump transfusion means for insulin, by medicine storage and extrusion infusing pipeline two
Part form, wherein medicine storage is made up of liquid drawing device, fixed cover, cylinder, piston, push rod, sealing ring, extrusion infusing pipeline by needle stand,
Connection cover, needle stand lid, infusion pipeline lid, silica gel plug, flexible pipe pin, pin helmet, separation lid, needle aiding device, conduit are formed;Liquid drawing device with
The barrel front end fixed cover of medicine storage is connected, and liquid drawing device front end is provided with medical liquid container joint, and rear end is provided with medicine storage joint,
Medical liquid container joint is connected with medicine storage joint by connection sheet, and drawing liquid needle device is on medicine storage joint, conduit in liquid pipeline
One end is connected with connection cover, and the conduit other end is connected with needle stand lid, and infusion pipeline lid is housed on needle stand, and needle stand lid is arranged on
Infusion pipeline is covered, and flexible pipe pin is connected by silica gel plug with needle stand, and flexible pipe pin outer cover is equipped with pin helmet;The device solve be
The problem of insulin pump leakage and component germ contamination.Chinese patent 201620274139.X discloses a kind of with infusion alarm
The insulin pump of function, including medicine storage, memory, controller and alarm, measurement insulin pump is provided with medicine storage
The sensor of piston pushing position, memory record the positional information of sensor feedback, and controller is sent out to the piston of insulin pump
Go out infusion instruction, Sensor monitoring piston pushing position information, if the instruction requirement that not up to controller is sent, controller to
Alarm sends alarm signal.But in the prior art, on the new of external catheter needle monitoring function of the present utility model
Insulin pump yet there are no report.
The content of the invention
The purpose of this utility model is to provide a kind of novel insulin pump with external catheter needle monitoring function.
To achieve the above object, the utility model adopts the technical scheme that:
A kind of novel insulin pump with external catheter needle monitoring function, including screw rod (1), on the screw rod (1)
Provided with pressure sensor (2) and warning device (3), the pressure sensor (2) and warning device (3) are arranged on screw rod (1)
Top, pressure sensor (2) and warning device (3) are connected by wire.
Further, micro power (4), the micro power (4) and pressure sensor (2) are additionally provided with the screw rod (1)
Connected with warning device (4).
Further, the top of the screw rod (1) is provided with fixed seat (5), one end and the screw rod (1) of the fixed seat (5)
Top is fixedly connected, and the other end is the groove (6) with hollow structure, and the notch of groove (6) is provided with projection (7);The pressure
Sensor (2) is arranged on the bottom of groove (6), and micro power (4) and warning device (4) are separately positioned on pressure sensor (2)
The left and right sides;Pushing block (8) and T-shaped piston (9), one end of the pushing block (8) and pressure sensing are provided with the groove (6)
Device (2) is connected, and the other end is connected with the head end of T-shaped piston (9);The head end of the T-shaped piston (9) is stuck in recessed by projection (7)
In groove (6), the other end passes from the notch of groove (6).
Further, the warning device (4) is buzzer.
In view of insulin pump infusion catheter needle position is different, such as subcutaneous fat or muscle or come off, infusion pressure must
Have differences.According to this mechanism, pressure sensor is installed in insulin pump screw tip, detects insulin pump infusion conduit in real time
Syringe needle pressure change, determine whether insulin pump catheter needle position is correct, so as to ensure that the safe and punctual infusion of insulin exists
Subcutaneous fat.
The utility model advantage is:
(1) pressure sensor and warning device are provided with screw rod, the pressure sensor and warning device are arranged on spiral shell
The top of bar, pressure sensor and warning device are connected by wire.Pressure sensor to cylinder piston in progradation by
To resistance detected, if any catheter needle from such as subcutaneous fat or muscle or situations such as come off, resistance that piston is subject to
Power can significantly reduce, and now pressure sensor detects the change of this pressure, will send alarm signal to warning device, alarm dress
Put and start and send alarm sound, remind user to notice that syringe needle comes off.
(2) top of the screw rod is provided with fixed seat, and one end of the fixed seat is another with being fixedly connected at the top of screw rod
Hold and be arranged on the bottom of groove, micro power and warning device difference for the groove with hollow structure, the pressure sensor
It is arranged on the left and right sides of pressure sensor;Pushing block is provided with the groove, one end of pushing block is connected with pressure sensor.This sets
Meter can avoid power supply and warning device from bearing pressure, prevent warning device to be pressurized, the service life of extension fixture.
Brief description of the drawings
Accompanying drawing 1 is the structural representation for the novel insulin pump that the utility model has external catheter needle monitoring function.
Accompanying drawing 2 is the utility model improvement project schematic diagram.
Embodiment
With reference to embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate
The utility model rather than limitation the scope of the utility model.In addition, it is to be understood that reading in the utility model record
After appearance, those skilled in the art can make various changes or modifications to the utility model, and these equivalent form of values equally fall within this
Apply for appended claims limited range.
The reference and part being related in accompanying drawing are as follows:
1. the warning device of 2. pressure sensor of screw rod 3.
4. the groove of 5. fixed seat of micro power 6.
7. the pushing block 9.T type pistons of projection 8.
10. the motor of 11. battery of syringe chamber 12.
13. the fixing clasp of 14. transfer of decelerator 15.
The utility model of embodiment 1 has the novel insulin pump of external catheter needle monitoring function
Fig. 1 is referred to, Fig. 1 is the structure for the novel insulin pump that the utility model has external catheter needle monitoring function
Schematic diagram.Insulin pump operation principle is as follows:The insulin pump (referring to patent 2006200228625) of prior art includes injection
Device room 10, battery 11, motor 12, decelerator 13 and screw rod 1 (injector drive bar), motor 12 passes through transfer 14 and spiral shell
Bar 1 is connected, and transfer 14 is made up of gear, the tail end of screw rod 1 is provided with fixing clasp 15, fixing card 15 passes through screw thread
It is connected with screw rod 1.Syringe is arranged in syringe chamber 10 during use, motor 12 is transported by the drive screw 1 of transfer 14
Dynamic, the piston movement of the pushing syringe of screw rod 1 injects insulin the infusion catheter being connected with syringe, and insulin passes through bundle
Enter the infusion catheter needle injection of subcutis into the human body.
A kind of novel insulin pump with external catheter needle monitoring function, including screw rod 1, the screw rod 1 are provided with
Pressure sensor 2 and warning device 3, the pressure sensor 2 and warning device 3 are arranged on the top of screw rod 1, pressure sensor
2 are connected with warning device 3 by wire, and the warning device 4 is buzzer.
First syringe is arranged in syringe chamber during use, makes the pressure sensor 2 and syringe tail end at the top of screw rod 1
Piston abut, the catheter needle of connected infusion catheter front end is penetrated into patient subcutaneous (conventional be stomach wall), power-on, electromechanics
Drive screw is moved, the piston movement of screw rod pushing syringe, by injection of insulin to patient's body.In the process, work is worked as
When plug promotes in injector syringe, the resistance that piston is subject to is delivered to pressure sensor, the pressure that pressure sensor detects
The resistance being subject to when as piston promotes.Patient wears insulin pump and during opening injection, if any catheter needle from
Such as subcutaneous fat or muscle or situations such as come off, the resistance that piston is subject to can significantly reduce, and now pressure sensor detects
To the change of this pressure, alarm signal will be sent and simultaneously send alarm sound to warning device, alarm activation, remind user
Notice that syringe needle comes off.
2 improvement project of the present utility model of embodiment
Refer to Fig. 2.Fig. 2 is the improvement project of the utility model insulin pump.For the ease of diagram, Fig. 2 is merely illustrated
Improvement part is the connected mode of screw rod, fixed seat and associated component.The structure and embodiment 1 of the present embodiment insulin pump are substantially
Identical, difference is:Be additionally provided with micro power 4 on the screw rod 1, the micro power 4 and pressure sensor (2) and
Warning device 4 is connected by wire.The top of the screw rod 1 is provided with fixed seat 5, one end and the screw rod 1 of the fixed seat 5
Top is fixedly connected, and the other end is the groove 6 with hollow structure, and the notch of groove 6 is provided with projection 7;The pressure sensor 2
The bottom of groove 6 is arranged on, micro power 4 and warning device 4 are separately positioned on the left and right sides of pressure sensor 2;It is described recessed
Pushing block 8 and T-shaped piston 9 are provided with groove 6, one end of the pushing block 8 is connected with pressure sensor 2, the other end and T-shaped piston 9
Head end connects;The head end of the T-shaped piston 9 is stuck in groove 6 by projection 7, and the notch of the other end (tail end) from groove 6 is worn
Go out.
First syringe is arranged in syringe chamber during use, supports the piston of the tail end and syringe tail end of T-shaped piston 9
Connect, the catheter needle of connected infusion catheter front end is penetrated into patient's subcutaneously (conventional is stomach wall), power-on, electromechanical drive screw
Motion, the piston movement of screw rod pushing syringe, by injection of insulin to patient's body.In the process, when piston is being injected
When being promoted in device syringe, the resistance transmission that piston is subject to can be delivered to pressure sensor 2 by T-shaped piston 9 and pushing block 8, pressure
The pressure that force snesor 2 detects is the resistance being subject to when piston promotes.Patient wears insulin pump and opens injection
During, if any catheter needle from such as subcutaneous fat or muscle or situations such as come off, the resistance that piston is subject to can significantly drop
Low, now pressure sensor detects the change of this pressure, and by sending, alarm signal is concurrent to warning device, alarm activation
Go out alarm sound, remind user to notice that syringe needle comes off.
The advantages of the utility model, is as follows:
(1) pressure sensor and warning device are provided with screw rod, the pressure sensor and warning device are arranged on spiral shell
The top of bar, pressure sensor and warning device are connected by wire.Pressure sensor to cylinder piston in progradation by
To resistance detected, if any catheter needle from such as subcutaneous fat or muscle or situations such as come off, resistance that piston is subject to
Power can significantly reduce, and now pressure sensor detects the change of this pressure, will send alarm signal to warning device, alarm dress
Put and start and send alarm sound, remind user to notice that syringe needle comes off.
(2) top of the screw rod 1 is provided with fixed seat 5, and one end of the fixed seat 5 is fixedly connected with the top of screw rod 1,
The other end is the groove 6 with hollow structure, and the pressure sensor 2 is arranged on the bottom of groove 6, micro power 4 and alarm
Device 4 is separately positioned on the left and right sides of pressure sensor 2;Pushing block 8 is provided with the groove 6, one end and the pressure of pushing block 8 pass
Sensor 2 connects.The design can avoid power supply and warning device from bearing pressure, prevent warning device to be pressurized, the use of extension fixture
Life-span.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
Art personnel, on the premise of the utility model principle is not departed from, some improvement and supplement can also be made, these are improved and supplement
Also it should be regarded as the scope of protection of the utility model.
Claims (4)
1. a kind of novel insulin pump with external catheter needle monitoring function, including screw rod (1), it is characterised in that described
Screw rod (1) is provided with pressure sensor (2) and warning device (3), and the pressure sensor (2) and warning device (3) are arranged on
The top of screw rod (1), pressure sensor (2) and warning device (3) are connected by wire.
2. there is the novel insulin pump of external catheter needle monitoring function according to claim 1, it is characterised in that described
Micro power (4) is additionally provided with screw rod (1), the micro power (4) is connected with pressure sensor (2) and warning device.
3. there is the novel insulin pump of external catheter needle monitoring function according to claim 2, it is characterised in that described
The top of screw rod (1) is provided with fixed seat (5), and one end of the fixed seat (5) at the top of screw rod (1) with being fixedly connected, the other end
For the groove (6) with hollow structure, the notch of groove (6) is provided with projection (7);The pressure sensor (2) is arranged on groove
(6) bottom, micro power (4) and warning device are separately positioned on the left and right sides of pressure sensor (2);The groove (6)
Interior to be provided with pushing block (8) and T-shaped piston (9), one end of the pushing block (8) is connected with pressure sensor (2), the other end and T-shaped work
Fill in the head end connection of (9);The head end of the T-shaped piston (9) is stuck in groove (6) by projection (7), and the other end is from groove (6)
Notch pass.
4. there is the novel insulin pump of external catheter needle monitoring function according to claim 1, it is characterised in that described
Warning device is buzzer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720054386.3U CN206867472U (en) | 2017-01-18 | 2017-01-18 | A kind of novel insulin pump with external catheter needle monitoring function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720054386.3U CN206867472U (en) | 2017-01-18 | 2017-01-18 | A kind of novel insulin pump with external catheter needle monitoring function |
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Publication Number | Publication Date |
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CN206867472U true CN206867472U (en) | 2018-01-12 |
Family
ID=61325601
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CN201720054386.3U Expired - Fee Related CN206867472U (en) | 2017-01-18 | 2017-01-18 | A kind of novel insulin pump with external catheter needle monitoring function |
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CN (1) | CN206867472U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI715254B (en) * | 2019-10-18 | 2021-01-01 | 美商康華全球生技股份有限公司 | Smart medicine injection device |
-
2017
- 2017-01-18 CN CN201720054386.3U patent/CN206867472U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI715254B (en) * | 2019-10-18 | 2021-01-01 | 美商康華全球生技股份有限公司 | Smart medicine injection device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180112 Termination date: 20220118 |
|
CF01 | Termination of patent right due to non-payment of annual fee |