CN107224633B - Safe infusion set with automatically, pull out needle function - Google Patents

Safe infusion set with automatically, pull out needle function Download PDF

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Publication number
CN107224633B
CN107224633B CN201710590915.6A CN201710590915A CN107224633B CN 107224633 B CN107224633 B CN 107224633B CN 201710590915 A CN201710590915 A CN 201710590915A CN 107224633 B CN107224633 B CN 107224633B
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China
Prior art keywords
needle
microcontroller
sliding block
shell
weighing sensor
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Application number
CN201710590915.6A
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Chinese (zh)
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CN107224633A (en
Inventor
顾斌
史艳
高燕
王书旺
顾哲语
吴珊珊
汤滟
袁迎春
张照锋
陈庆荣
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Nanjing College of Information Technology
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Nanjing College of Information Technology
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Priority to CN201710590915.6A priority Critical patent/CN107224633B/en
Publication of CN107224633A publication Critical patent/CN107224633A/en
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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
    • 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
    • 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
    • A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
    • A61M5/16845—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion by weight
    • 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
    • A61M2205/18—General characteristics of the apparatus with alarm
    • 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
    • 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
    • A61M2205/3327—Measuring
    • 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
    • A61M2205/35—Communication
    • A61M2205/3546—Range
    • A61M2205/3553—Range remote, e.g. between patient's home and doctor's office

Abstract

The invention provides a safe infusion device with an automatic needle pulling function, which comprises a control box, a weighing sensor and a needle pulling mechanism, wherein the control box is connected with the weighing sensor; a signal conditioning circuit, an analog-to-digital conversion circuit, a microcontroller, a wireless communication module and a motor driving circuit are arranged in the control box; the needle pulling mechanism comprises a shell, a driving steering engine, a sliding block and a pull rope. This safe infusion set can detect the infusion volume when about to end at weighing sensor, passes through motor drive circuit control drive steering wheel work by microcontroller, and rethread stay cord pulling slider drags the slider and removes along the slide rail, and collet presss from both sides tight needle body and removes thereupon, and the human body is extracted promptly to the syringe needle, has realized that infusion system pulls out the needle function automatically under the unmanned condition of looking after, avoids taking place accident.

Description

Safe infusion set with automatically, pull out needle function
Technical Field
The invention relates to a safe infusion device, in particular to a safe infusion device with an automatic needle pulling function.
Background
With the increasing social rhythm, a large hospital infusion hall or a resident department is always full of people, nurses often cannot notice the infusion condition of all patients in time, and even though manual calling devices are installed in many hospitals at present, accidents are still inevitable when caregivers or patients neglect (such as doze and the like).
Disclosure of Invention
The invention aims to solve the technical problem that the existing manual calling device is still based on manual nursing and accidents are inevitable.
In order to solve the technical problems, the invention provides a safe infusion device with an automatic needle pulling function, which comprises a control box, a weighing sensor and a needle pulling mechanism, wherein the control box is connected with the weighing sensor; a signal conditioning circuit, an analog-to-digital conversion circuit, a microcontroller, a wireless communication module and a motor driving circuit are arranged in the control box; the needle pulling mechanism comprises a shell, a driving steering engine, a sliding block and a pull rope; the driving steering engine and the sliding block are arranged in the shell; two parallel slide rails are arranged at the bottom of the shell, and a strip-shaped notch is arranged at the bottom of the shell between the two slide rails; the bottom of the sliding block is buckled on the sliding rail and can slide back and forth along the sliding rail; the bottom of the sliding block is provided with an elastic chuck for clamping the needle head; the left end and the right end of the sliding block are respectively provided with a rope ring; one end of the pull rope is connected to the swing arm of the driving steering engine, and the other end of the pull rope is fixed to the rope ring on the left side of the sliding block; a tension spring is connected between the right end of the shell and the rope ring on the right side; the signal output end of the weighing sensor is connected with the signal input end of the signal conditioning circuit; the signal output end of the signal conditioning circuit is connected with the input end of the analog-to-digital conversion circuit; the output end of the analog-to-digital conversion circuit is connected with a signal input pin of the microcontroller; a communication pin of the microcontroller is connected with a communication port of the wireless communication module; a signal output pin of the microcontroller is connected with the motor driving circuit and the alarm; the motor driving circuit is connected with the driving steering engine and used for controlling the swing arm of the driving steering engine to swing.
By adopting the needle pulling mechanism, when the weighing sensor detects that the transfusion amount is about to end, the microcontroller controls the driving steering engine to work through the motor driving circuit, and then the pull rope pulls the sliding block to move along the guide rail, so that the needle head is pulled out of a human body immediately, the automatic needle pulling function of the transfusion system under the unattended condition is realized, and accidents are avoided; the adoption of the tension spring can cause the needle pulling mechanism to automatically reset after the needle pulling action is finished; the wireless communication module can realize remote signal transmission, and alarm information is transmitted to a nurse duty room or is directionally transmitted to wireless terminal equipment of related nurses to realize alarm and condition recording.
As a further limiting scheme of the invention, a diverting pulley is also arranged in the shell; the pull rope turns at the turning pulley, so that the other end of the pull rope is parallel to the sliding rail. The purpose of using the diverting pulley is to ensure that the pulling direction of the pull rope is parallel to the guide rail, so that the abrasion can be reduced, and the electric energy can be saved by the diverting pulley and the guide rail.
As a further limiting scheme of the invention, a hook is arranged at the lower end of the weighing sensor. The infusion bottle or the bag can be conveniently hung by adopting the hook.
As a further limiting scheme of the invention, an alarm connected with the microcontroller is arranged on the control box. The alarm can be controlled by the microcontroller to give an alarm in real time when the weighing sensor detects that the infusion amount is about to end.
The beneficial effects of the invention are as follows: by adopting the needle pulling mechanism, when the weighing sensor detects that the transfusion amount is about to end, the microcontroller controls and drives the steering engine to work through the motor driving circuit, and then the pull rope pulls the sliding block to move along the guide rail, so that the needle head is immediately pulled out of a human body, the automatic needle pulling function of the transfusion system under the unattended condition is realized, and accidents are avoided; the adoption of the tension spring can cause the needle pulling mechanism to automatically reset after the needle pulling action is finished; the wireless communication module is adopted to realize remote signal transmission, and the alarm information is transmitted to a nurse duty room or directionally transmitted to the wireless terminal equipment of a relevant nurse to realize alarm and condition recording; the safety infusion device effectively improves the automation and informatization degree of the infusion system, improves the working efficiency and reduces the incidence rate of medical accidents.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the circuit structure of the control box of the present invention;
FIG. 3 is a schematic view of the internal structure of the needle pulling mechanism according to the present invention;
fig. 4 is a schematic sectional structural view of the housing created by the present invention.
In the figure, the device comprises a control box 1, a weighing sensor 2, a needle pulling mechanism 3, a shell 4, a driving steering engine 5, a steering pulley 6, a steering pulley 7, a sliding block 8, a rope ring 9, a tension spring 10, a pull rope 11, a sliding rail 12, a strip-shaped notch 13, an elastic chuck 14, a support base 15, a support rod 16 and a top bracket; 17. an alarm.
Detailed Description
As shown in FIG. 1, the safety infusion device with automatic needle pulling function disclosed by the invention comprises: control box 1, weighing sensor 2 and needle pulling mechanism 3.
The device comprises a control box 1, a weighing sensor 2 and a needle pulling mechanism 3; a signal conditioning circuit, an analog-to-digital conversion circuit, a microcontroller, a wireless communication module and a motor driving circuit are arranged in the control box 1; the needle pulling mechanism 3 comprises a shell 4, a driving steering engine 5, a sliding block 7 and a pull rope 10; the driving steering engine 5 and the sliding block 7 are arranged in the shell 4; two parallel slide rails 11 are arranged at the inner bottom of the shell 4, and a strip-shaped notch 12 is arranged at the bottom of the shell 4 between the two slide rails 11; the bottom of the sliding block 7 is buckled on the sliding rail 11 and can slide back and forth along the sliding rail 11; the bottom of the sliding block 7 is provided with an elastic chuck 13 for clamping a needle head; the left end and the right end of the sliding block 7 are respectively provided with a rope ring 8; one end of a pull rope 10 is connected to the swing arm of the driving steering engine 5, and the other end of the pull rope is fixed on a rope ring 8 on the left side of the sliding block 7; a tension spring 9 is connected between the right end of the shell 4 and the rope ring 8 on the right side; the signal output end of the weighing sensor 2 is connected with the signal input end of the signal conditioning circuit; the signal output end of the signal conditioning circuit is connected with the input end of the analog-to-digital conversion circuit; the output end of the analog-to-digital conversion circuit is connected with a signal input pin of the microcontroller; a communication pin of the microcontroller is connected with a communication port of the wireless communication module; a signal output pin of the microcontroller is connected with the motor driving circuit and the alarm; the motor driving circuit is connected with the driving steering engine 5 and is used for controlling the swing arm of the driving steering engine 5 to swing; a diverting pulley 6 is also arranged in the shell 4; the pull rope 10 is turned at the turning pulley 6, so that the other end of the pull rope 10 is parallel to the slide rail 11, and the purpose of adopting the turning pulley is to ensure that the pulling direction of the pull rope is parallel to the guide rail, so that the abrasion can be reduced, and the electric energy can be saved; the lower end of the weighing sensor 2 is provided with a hook; an alarm 17 connected with the microcontroller is arranged on the control box 1, and the alarm 17 is an audible and visual alarm.
The installation and use method of the safe infusion device created by the invention is briefly described as follows: firstly, the device is arranged on a support, the support comprises a support base 14, a support rod 15 and a top bracket 16, the support rod 15 is vertically inserted into the support base 14, and the top bracket 16 is horizontally arranged at the top end of the support rod 15; the control box 1 is fixedly arranged on the top bracket 16, the weighing sensor 2 is arranged below the top bracket 16, and the infusion bottle or the bag is hung on a hook of the weighing sensor 2; when a patient is transfusing, firstly, a nurse inserts the needle into the human body, then the rear section of the needle is fixed on the elastic chuck 13 below the sliding block 7, and then the shell 4 is fixed on the arm of the patient through a rubber band; when the weighing sensor 2 detects that the weight in the infusion bag is lower than a certain threshold, the infusion amount is about to finish, the microcontroller receives information, the motor driving circuit controls the driving steering engine 5 to work, the alarm 17 is controlled to give an alarm, the pull rope 10 pulls the sliding block 7 at the moment, the needle head is pulled out quickly, the automatic needle pulling action under the unattended condition is realized, and accidents are avoided; the tension spring 9 can automatically pull back the sliding block 7 after the driving steering engine 5 returns to the original position, and the tension state of the pull rope 10 is kept; the wireless communication module can realize remote signal transmission, and alarm information is wirelessly transmitted to a nurse duty room or directionally transmitted to wireless terminal equipment of related nurses to realize alarm.

Claims (1)

1. The utility model provides a safe infusion set with automatically, pull out needle function which characterized in that: comprises a control box (1), a weighing sensor (2) and a needle pulling mechanism (3); a signal conditioning circuit, an analog-to-digital conversion circuit, a microcontroller, a wireless communication module and a motor driving circuit are arranged in the control box (1); the needle pulling mechanism (3) comprises a shell (4), a driving steering engine (5), a sliding block (7) and a pull rope (10); the driving steering engine (5) and the sliding block (7) are arranged in the shell (4); two parallel slide rails (11) are arranged at the bottom of the shell (4), and a strip-shaped notch (12) is arranged at the bottom of the shell (4) between the two slide rails (11); the bottom of the sliding block (7) is buckled on the sliding rail (11) and can slide back and forth along the sliding rail (11); an elastic chuck (13) for clamping the needle head is arranged at the bottom of the sliding block (7); the left end and the right end of the sliding block (7) are respectively provided with a rope ring (8); one end of a pull rope (10) is connected to a swing arm of the driving steering engine (5), and the other end of the pull rope is fixed on a rope ring (8) on the left side of the sliding block (7); a tension spring (9) is connected between the right end of the shell (4) and the rope ring (8) on the right side; the signal output end of the weighing sensor (2) is connected with the signal input end of the signal conditioning circuit; the signal output end of the signal conditioning circuit is connected with the input end of the analog-to-digital conversion circuit; the output end of the analog-to-digital conversion circuit is connected with a signal input pin of the microcontroller; a communication pin of the microcontroller is connected with a communication port of the wireless communication module; a signal output pin of the microcontroller is connected with the motor driving circuit and the alarm; the motor driving circuit is connected with the driving steering engine (5) and is used for controlling the swing arm of the driving steering engine (5) to swing; a diverting pulley (6) is also arranged in the shell (4); the pull rope (10) turns at the turning pulley (6) to enable the other end of the pull rope (10) to be parallel to the sliding rail (11); the lower end of the weighing sensor (2) is provided with a hook; an alarm (17) connected with the microcontroller is arranged on the control box (1).
CN201710590915.6A 2017-07-19 2017-07-19 Safe infusion set with automatically, pull out needle function Active CN107224633B (en)

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Application Number Priority Date Filing Date Title
CN201710590915.6A CN107224633B (en) 2017-07-19 2017-07-19 Safe infusion set with automatically, pull out needle function

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Application Number Priority Date Filing Date Title
CN201710590915.6A CN107224633B (en) 2017-07-19 2017-07-19 Safe infusion set with automatically, pull out needle function

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CN107224633A CN107224633A (en) 2017-10-03
CN107224633B true CN107224633B (en) 2023-03-14

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110585513B (en) * 2019-10-08 2020-07-28 中国人民解放军总医院第三医学中心 Medical needle-pulling patch assembly

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2123324U (en) * 1992-06-06 1992-12-02 黄强 Automatic pulling up unit for infusion
CN2761187Y (en) * 2004-12-14 2006-03-01 武汉大学 Device for monitoring level of infusion
CN200951235Y (en) * 2006-08-22 2007-09-26 张念 Electric capacity intelligent sensing device for automatic control system for intravenous drip
CN201578659U (en) * 2009-12-30 2010-09-15 孙岩 Automatic needle withdrawing device
CN102784425A (en) * 2012-08-27 2012-11-21 黑龙江大学 Venous transfusion monitoring device and venous transfusion monitoring network system
CN204050487U (en) * 2014-08-07 2014-12-31 刘许亮 A kind of automatic needle withdrawing device
CN105288778A (en) * 2015-12-04 2016-02-03 济南瑞晟机械有限公司 Automatic infusion device
CN205145252U (en) * 2015-10-30 2016-04-13 范小军 Full -automatic multi -functional medical infusion set
JP2016112305A (en) * 2014-12-17 2016-06-23 パナソニックヘルスケアホールディングス株式会社 Medicine injection device
CN206138506U (en) * 2016-08-26 2017-05-03 莫慧光 But intelligent transfusion monitoring device of controlling infusion velocity of flow

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Publication number Priority date Publication date Assignee Title
JP3747342B2 (en) * 1997-01-10 2006-02-22 日本サーボ株式会社 Infusion device
CN203545400U (en) * 2013-12-20 2014-04-16 山东鹏奥石油科技有限公司 Heavy-load simple lift
CN203842119U (en) * 2014-04-28 2014-09-24 张雪梅 Infusion monitoring device for intensive care patients
CN105620721B (en) * 2016-01-30 2018-02-23 江苏润侃瑞科技有限公司 A kind of miniature self-service airfoil fold mechanism
CN106542351B (en) * 2016-11-22 2018-05-11 浙江宇安消防装备有限公司 A kind of cargo handler for large-scale logistics van

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2123324U (en) * 1992-06-06 1992-12-02 黄强 Automatic pulling up unit for infusion
CN2761187Y (en) * 2004-12-14 2006-03-01 武汉大学 Device for monitoring level of infusion
CN200951235Y (en) * 2006-08-22 2007-09-26 张念 Electric capacity intelligent sensing device for automatic control system for intravenous drip
CN201578659U (en) * 2009-12-30 2010-09-15 孙岩 Automatic needle withdrawing device
CN102784425A (en) * 2012-08-27 2012-11-21 黑龙江大学 Venous transfusion monitoring device and venous transfusion monitoring network system
CN204050487U (en) * 2014-08-07 2014-12-31 刘许亮 A kind of automatic needle withdrawing device
JP2016112305A (en) * 2014-12-17 2016-06-23 パナソニックヘルスケアホールディングス株式会社 Medicine injection device
CN205145252U (en) * 2015-10-30 2016-04-13 范小军 Full -automatic multi -functional medical infusion set
CN105288778A (en) * 2015-12-04 2016-02-03 济南瑞晟机械有限公司 Automatic infusion device
CN206138506U (en) * 2016-08-26 2017-05-03 莫慧光 But intelligent transfusion monitoring device of controlling infusion velocity of flow

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