CN103285459A

CN103285459A - Insulin pen needle removal device

Info

Publication number: CN103285459A
Application number: CN2013102180644A
Authority: CN
Inventors: 周萍; 汪艳艳
Original assignee: Individual
Current assignee: University of Shaoxing
Priority date: 2013-06-03
Filing date: 2013-06-03
Publication date: 2013-09-11
Anticipated expiration: 2033-06-03
Also published as: CN103285459B

Abstract

The invention relates to an insulin pen needle removal device, and belongs to the technical field of insulin pen auxiliary devices. The insulin pen needle removal device comprises a driving device and a reclaiming device. The driving device comprises a motor, a battery serving as a power supply of the motor, a PCB (printed circuit board, referred to as PCB) for controlling the motor, a motor gear driven by the motor and a hollow gear meshed with the motor gear. The reclaiming device comprises a reclaiming inlet, a reclaiming ring, a storing tank and a fixing frame for fixing the reclaiming ring driven by the hollow gear. The storing tank is located below the reclaiming ring. The insulin pen needle removal device can be used during the insulin injection process, and is convenient to operate, long in service life, safe to use and the like.

Description

The novopen syringe needle unloads the pin device

Technical field

The present invention relates to a kind of novopen syringe needle and unload the pin device, belong to injection of insulin auxiliary device technical field.

Background technology

Novopen is a kind of insulin injection device, size is close with pen, insulin is placed in the pen in the mode of pen core, the novopen front end settles syringe needle just can carry out injection of insulin, injection after finishing is taken off novopen, again settle syringe needle when injecting again, when taking out syringe needle, thin because entry needle is short, conventional following the example of is to adopt free-hand or could take out by means of tonger, yet, traditional pin mode of getting will be taken off with the syringe needle of crossing for the screw thread place that goes because of thumb and forefinger to change the insulin syringe needle, risk is than higher like this, particularly more than the injection person-time, in the time of night shift, in a rushly stabbed easily, very easily stab operator's finger, for health brings certain medical hidden danger, tonger is then operated inconvenience; In the existing public technology, also having the pin cap of employing and handle to carry out injection needle takes out, but this method is withheld syringe needle into the pin cap by brute force, though avoid the direct contact needle of operator's hands, but its principle is equal to the tonger gripping, can't take out easily equally, and after using a period of time, the getting of syringe needle, going out can wearing and tearing pin cap, and then cause the variation of pin cap internal diameter, can't be suitable with the syringe needle external diameter, thereby the service life of each pin cap is shorter, after a period of time, the phenomenon that syringe needle can't be taken off will take place.

Summary of the invention

In order to solve the above-mentioned problems in the prior art, the novopen syringe needle that the purpose of this invention is to provide a kind of simple operation, long service life unloads the pin device.

For achieving the above object, the technical scheme taked of the present invention is as follows:

The novopen syringe needle unloads the pin device, comprise driving device and take out device, described driving device comprises motor, as the PCB(printed wiring board of the battery of motor power, control motor, the abbreviation printed board), motor-driven motor gear, and with the hollow wheel gear of motor gear engagement, take out device comprises to be got the material entrance, get the material circle, stores warehouse and fixedly gets the fixed mount of expecting circle, gets the material circle and is driven by hollow wheel gear, and the storage warehouse body is positioned to get expects the circle below.

For realizing better result of use, further arranging of technique scheme is as follows:

Described storage warehouse bottom is provided with outlet Cang Gai, and outlet Cang Gai is installed in by rotating shaft and stores the warehouse bottom.

Be provided with sealing ring between described outlet Cang Gai and the storage warehouse, in order to strengthen storing the waterproof sealing of warehouse.

The described material circle inward flange of getting is provided with rib-loop, the tilt angle theta of rib-loop is 30-60 °, get in the material circle inner periphery edge, be provided with novopen syringe needle rib-loop and count the rib-loop of respective amount, conventional novopen syringe needle rib-loop number is 4 circles, then evenly is provided with 4n corresponding rib-loop along getting material circle inner periphery edge, wherein n is 1/2 or is not less than 1 integer, more excellent, rib-loop is provided with 4,8 or 12, wherein expects that to get being provided with 8 rib-loops in the circle is the best.

In the use, the material entrance is got in the insulin nib insertion that uses up, got the sensor input signal of material porch and give PCB, PCB starter motor (motor is reducing motor among the present invention) rotation, the material circle of getting of rubber mass is rotated, and rib-loop wherein grasps the nib rotation and pushes the storage warehouse downwards; Store warehouse and adopt the sealing ring waterproof sealing, can prevent that patients'blood from going out to infect from the storehouse underflow, open outlet Cang Gai after using, topple over the nib syringe needle.

Adopt the present invention to unload the pin device and can avoid the medical worker to be stabbed by the insulin syringe needle, reduce the harm that is spread disease and infect by haematogenous, making its odds is zero; And get the material circle under driven by motor, output speed can reach 360 rev/mins (6 revolutions per seconds), the syringe needle of novopen is 4 circle rib-loops, when in getting the material circle, being provided with 2 rib-loops, be n=1/2, at this moment, get material circle and need revolve the just desirable next syringe needle that takes two turns, can adapt to workload less, work efficiency is required low situation; When in getting the material circle, being provided with 8 rib-loops, get during the material, get the material circle and with syringe needle relative 2 slips of enclosing are arranged, get material efficient design value and be about 1 second/, insulin syringe needle after separation that can be is fast and safely used, discarded syringe needle is stored in the airtight storage warehouse, has avoided throwing out without care later secondary injury.

Description of drawings

Fig. 1 is assembly drawing of the present invention;

Fig. 2 is each exploded view of Fig. 1;

Fig. 3 is for getting the structure for amplifying sketch map of material circle among the present invention;

Fig. 4 is the vertical view of Fig. 1;

Fig. 5 is the upward view of Fig. 1.

Number in the figure: 1, motor; 2, battery; 3, motor gear; 4, hollow wheel gear; 5, get the material circle; 51, rib-loop; 6, fixed mount; 7, top panel lid; 8, housing main body; 9, sealing ring; 10, outlet Cang Gai; 11, rotating shaft; 12, battery compartment lid; 13, screw; 14, PCB; 15, get the material entrance; 16, store warehouse.

The specific embodiment

Embodiment 1

Present embodiment novopen syringe needle unloads the pin device, in conjunction with Fig. 1 and Fig. 2, comprise driving device, take out device and be packaged in driving device and the housing main body of take out device periphery 8, wherein driving device comprises motor 1, battery 2, PCB14, motor gear 3 and hollow wheel gear 4, battery 2 is the power supply of motor 1, packing into and taking-up of battery 2 realized by closure or openness battery compartment lid 12 in battery 2 belows, the PCB(printed wiring board, the abbreviation printed board) 14 are used for control motor 1, motor 1 drive motors gear 3, motor gear 3 and hollow wheel gear 4 are for being connected with a joggle; Take out device comprises gets material entrance 15, get material circle 5, store warehouse 16 and fixedly get the fixed mount 6 of expecting circle 5, getting material circle 5 is driven by hollow wheel gear 4, storage warehouse 16 is positioned at gets material circle 5 belows, fixed mount 6 tops are provided with top panel lid 7, fixed mount 6 and top panel lid 7 is provided with the holes coaxial with getting material circle 5, the hole with get material circle 5 and constitute and get material entrance 15, top panel lid 7 can be fixing with housing main body 8 by screw 13, also top panel can be covered 7 and be set to and housing main body 8 integral structures, cover 7 with battery 2 by top panel, motor gear 3, the material of getting of fixed mount 6 and fixed mount 6 belows encloses 5.Wherein, store warehouse 16 bottoms and be provided with outlet storehouse lid 10, outlet storehouse lid 10 is installed in by rotating shaft 11 and stores warehouse 16 bottoms, and this rotating shaft 11 can be fixedly installed on the battery compartment lid 12; Get material circle 5 inward flanges and be provided with rib-loop 51, the tilt angle theta of rib-loop 51 is 35 °, evenly is provided with 8 along getting material circle inner periphery edge.

Adopt the present invention to unload the pin device, material entrance 15 is got in the insulin nib insertion that uses up, the sensor of getting material entrance 15 places transmits signal to PCB14, motor is reducing motor in the PCB14 starter motor 1(present embodiment), motor 1 drives motor gear 3 and rotates, motor gear 3 drives hollow wheel gear 4 and rotates, thereby makes getting of rubber mass expect circle 5 rotations, gets the rib-loop 51 extracting nib rotations on the material circle 5 and push downwards to store warehouse 16; Store warehouse 16 bottoms and adopt sealing ring 9 waterproof sealings, can prevent that patients'blood from going out to infect from the storehouse underflow that stores warehouse 16, after waiting to have got syringe needle, open outlet storehouse lid 10, topple over the nib syringe needle, adopt technical solution of the present invention, can avoid the medical worker to be stabbed by the insulin syringe needle, minimizing is by the harm that haematogenous spreads disease and infects, and making its odds is zero; And get material circle 5 under motor 1 drives, output speed can reach 360 rev/mins (6 revolutions per seconds), the syringe needle of novopen is 4 circle rib-loops, in the present embodiment, gets when being provided with 8 rib-loops 51 in the material circle 5, get material circle 5 and with syringe needle relative 2 slips of enclosing are arranged, get material efficient design value and be about 1 second/, namely can take out 1 syringe needle each second, the insulin syringe needle after can separation fast and safely using, discarded syringe needle is stored in the airtight storage warehouse 16, has avoided throwing out without care later secondary injury; Can cover 12 by battery compartment as the battery 2 of reducing motor 1 power supply and replace, need not to adopt the band wire power supply; By the dismounting of screw 13, can realize the dismounting of top panel lid 7, outlet storehouse lid 10 and battery compartment lid 12, and then dismounting the present invention unloads easy wearing detail such as battery in the pin device, overall structure is small and exquisite, and is easy to assembly, conveniently carries, easy to use.

Embodiment 2

Present embodiment is identical with setting and the operation principle of embodiment 1, and difference is: get material circle 5 inward flanges and be provided with 4 rib-loops 51, the tilt angle theta of rib-loop 51 is 60 °, and the work efficiency of getting syringe needle can reach 2 seconds/.

Embodiment 3

Present embodiment is identical with setting and the operation principle of embodiment 1, and difference is: get material circle 5 inward flanges and be provided with 12 rib-loops 51, the tilt angle theta of rib-loop 51 is 30 °, the work efficiency of getting syringe needle can reach 1 second/and 3.

Claims

1. the novopen syringe needle unloads the pin device, it is characterized in that: comprise driving device and take out device, described driving device comprises motor, as PCB, the motor-driven motor gear of the battery of motor power, control motor, and with the hollow wheel gear of motor gear engagement, take out device comprises to be got the material entrance, get the material circle, stores warehouse and fixedly gets the fixed mount of expecting circle, get the material circle and driven by hollow wheel gear, the storage warehouse body is positioned at gets material circle below.

2. novopen syringe needle according to claim 1 unloads the pin device, it is characterized in that: described storage warehouse bottom is provided with outlet Cang Gai, and outlet Cang Gai is installed in by rotating shaft and stores the warehouse bottom.

3. novopen syringe needle according to claim 2 unloads the pin device, it is characterized in that: be provided with sealing ring between described outlet Cang Gai and the storage warehouse, in order to strengthen storing the waterproof sealing of warehouse.

4. novopen syringe needle according to claim 1 unloads the pin device, it is characterized in that: the described material circle inward flange of getting is provided with rib-loop, and the tilt angle theta of rib-loop is 30-60 °.

5. novopen syringe needle according to claim 4 unloads the pin device, it is characterized in that: described getting in the material circle inner periphery edge is provided with novopen syringe needle rib-loop and counts the rib-loop of respective amount.