CN2341651Y

CN2341651Y - Needle removing device

Info

Publication number: CN2341651Y
Application number: CN 98206523
Authority: CN
Inventors: 吴海福
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-06-29
Filing date: 1998-06-29
Publication date: 1999-10-06
Anticipated expiration: 2008-06-29

Abstract

The utility model relates to a needle removing device. The top face of a casing of a needle head removing device is provided with a needle head inserting mouth so that a needle head to be removed is inserted into the needle head inserting mouth. The lower part point of the needle head inserting mouth are horizontally extended with two rolling wheels in parallel, and a proper gap is left between the two rolling wheels. A driving mechanism is used for driving the two rolling wheels to rotate in opposite directions, a needle head clamped between the two rolling wheels is dragged, and thus the needle head is removed and separated by a needle head combining seat of a needle cylinder. The utility model has the advantages of simple structure and simple and easy operation. The work that the needle head is removed and separated by a structure seat of the needle head of the front end of a needle cylinder body can be completed without a complex removing structure or a circuit structure.

Description

The Needle removing device

This utility model is about a kind of Needle removing device, is meant a kind of two wheels that roll of having appropriate gap each other that are equipped with in this Needle removing device inside especially, rolls wheel when the rotation of making relative direction by two, and the syringe needle of a syringe front end is pulled out.

Therapeutic medical syringe cylinder mainly includes a needle cylinder main body, a syringe needle, reaches a syringe needle holder.Present employed syringe needle holder generally is to adopt plastic material to make, and the one end is the open end that is linked in needle cylinder main body, and the other end then supplies syringe needle institute fit.

Early stage medical syringe needle tube mostly is to reclaim to reuse, but does not then adopt the mode of recovery at present at each employed syringe cylinder of public and private upright medical institute, uses the principle that is once promptly abandoned but adopt.But this kind using priciple though can avoid syringe needle to reuse the infection problems that is caused, has caused problem how to handle discarded syringe needle, has formed a sizable puzzlement aspect environmental protection.

In order to pull out and handle discarded syringe needle, in the technology formerly, there is the dealer to design complicated Needle removing structure, so that syringe needle is separated with needle cylinder main body, also there is the dealer to design a kind of fusing device of syringe needle, with the technology of circuit, the syringe needle heating is fused.But these prior arts all can't reach simple in structure, operate easy effect.

Therefore, main purpose of the present utility model promptly provides a kind of device of Needle removing, by this Design of device, used discarded syringe needle can be pulled out.

Another purpose of the present utility model provides a kind of Needle removing device with simple structure, its needs cooperate members such as simply rolling wheel construction, driving device and syringe needle collection box, can be under shirtsleeve operation, syringe needle is pulled out separation by the syringe needle connecting support of needle cylinder main body front end, and do not needed complicated structure or the circuit structure pulled out.

The purpose of this utility model is achieved in that a kind of Needle removing device, in order to the syringe needle of a used syringe is pulled out, is to combine by a syringe needle connecting support between this syringe needle and the syringe, and this device includes:

One Needle removing device housing, its end face offer a syringe needle and insert mouth, so that the syringe needle of desiring to pull out inserts:

Two are rolled wheel, both extend horizontally in the place, both sides that this syringe needle inserts the lower position of mouth abreast, and both tool one appropriate gap, and this gap is right against above-mentioned syringe needle and inserts mouth, when syringe needle to be pulled out inserted this syringe needle insertion mouth, this syringe needle just was interposed in this gap;

One driving mechanism two rolls wheel and is the rotation of relative direction in order to drive this, drags will be interposed in two syringe needles that roll between wheel, makes this syringe needle pull out separation by the syringe needle connecting support.

The upper curtate periphery that the syringe needle of this Needle removing device housing inserts mouth is to be the structure that a funnel-form is led mouth.

This surface of rolling wheel is provided with groove, rolls wheel and desires to be pulled out friction between the syringe needle in order to increase this.

It is to form a side direction open space that this syringe needle of this Needle removing device housing inserts a mouthful below, collects box for the syringe needle that holds a drawing out type.

It is an enclosed box body that above-mentioned syringe needle is collected box, only offers a perforate at its end face, when making this syringe needle collect box to be contained in this Needle removing device enclosure interior, its perforate just corresponding to the syringe needle of this Needle removing device housing insert mouthful under.

Utilize two of being installed to have the wheel that rolls of appropriate gap each other during use, roll wheel when the rotation of making relative direction by two, a syringe needle that inserts the syringe front end that syringe needle inserts mouthful can be pulled out in this Needle removing device inside.Clearly, this utility model is simple in structure, operation is simple and easy, does not need complicated structure or the circuit structure pulled out can finish syringe needle and pulled out isolating work by the needle head structure seat of needle cylinder main body front end.

To be further described this utility model by specific embodiment and accompanying drawing below, wherein:

The accompanying drawing simple declaration:

Fig. 1 is the stereo appearance figure of this utility model preferred embodiment;

Fig. 2 is the three-dimensional exploded view of this utility model preferred embodiment;

Fig. 3 is the cutaway view that shows along 1-1 section among Fig. 1;

Fig. 4 is the cutaway view that shows along 1-1 section among Fig. 1, shows sensor;

Fig. 5 is the axonometric chart that shows this utility model driving device, and wherein two are rolled wheel surface and are provided with staggered groove;

Fig. 6 is the axonometric chart that shows this utility model driving device, wherein rolls wheel surface on two and is provided with horizontal groove;

Fig. 7 is the action sketch map that shows when a pending syringe needle inserts in this utility model;

Fig. 8 shows that in this utility model two roll wheel the syringe needle connecting support of one syringe needle and needle cylinder main body front end is pulled out isolating action sketch map.

The figure number explanation:

Needle removing device housing 1 syringe needle inserts mouth 11

Funnel-form guide hole 12 syringe needles are collected box 2

Pull handle 21 perforates 22

Driving device 3

extension rod

31a, 31

Roll wheel

32a, 32 first pinion 33a

Second pinion, 33

gears

34,35,36,37

Motor 38 syringes 4

Syringe needle connecting support 41 syringe needles 42

Sensor 51 leads 52

Consult the axonometric chart of Figure 1 and Figure 2 and cutaway view shown in Figure 3, this utility model mainly includes a Needle removing device housing 1, a syringe needle is collected box 2, a driving device 3.Wherein the end face at this housing 1 offers syringe needle insertion mouth 11, and the diameter of this syringe needle insertion 11 is the diameters that are a bit larger tham syringe needle, so that the syringe needle of pending syringe front end is inserted.In the preferred embodiment of the present utility model, this syringe needle inserts the structure that mouthfuls 11 upper curtate periphery can be designed to funnel-form guide hole 12, can be beneficial to the guiding user with the syringe needle of desiring to pull out insert this syringe needle insert in mouthfuls 11, and can be used as the syringe front end against usefulness.

Below this syringe needle insertion mouth 11 is to be formed with a side direction open space, and can hold the syringe needle collection box 2 of a drawing out type.This syringe needle is collected box 2 can be designed to an enclosed box body, and only offers a perforate 22 at its end face, and it offers the position just corresponding under the syringe needle insertion mouth 11.In addition, collect box 2, can one pull handle 21 be set in the lateral wall of this syringe needle collection box for ease of extracting this syringe needle.

Opposite side at this housing 1 is to be provided with a driving device 3, the embodiment structure as shown in Figure 5, the power that motor 38 in this driving device 3 is produced is via after

several gear

34,35,36,37 reduction gears that constituted, drive the first pinion 33a turn by gear 34, the first pinion 33a drives the co-axial wheel 32a turn of rolling via extension rod 31a again.In addition, this first pinion 33a also drives the second adjacent pinion 33 simultaneously, so both produce synchronous rotation, this second pinion 33 drives co-axial wheel 32 turns of rolling via extension rod 31 again.

Therefore, two

adjacent rolls wheel

32,32a and can produce relative to the rotating of direction of rotation, and drags will be folded in two syringe needles that roll between the wheel.These two

adjacent roll wheel

32,32a promptly flatly extended be arranged in this syringe needle insert mouthfuls 11 with syringe needle collection box 2 between, as the usefulness of pulling out syringe needle.Two gaps of rolling between

wheel

32,32a are to be designed to less than the syringe needle diameter dimension.

In preferred embodiment, the surface of

rolling wheel

32,32a can be provided with staggered groove (consulting Fig. 5) or horizontal groove (consulting Fig. 6), so that roll wheel when pulling out syringe needle, increases the friction of pulling out.

Moreover the lower lip position of inserting mouth 11 at this syringe needle more can be equiped with a sensor 51 (consulting Fig. 4), whether has inserted syringe needle in order to sensing syringe needle to be pulled out and has inserted in the mouth 11.This sensor 51 can adopt microswitch commonly used (Limit Switch), also can adopt light sensing switch (PhotoSensor) but or the sensing element of other sensing syringe needle insertion.The signal that sensor 51 is sensed can be serially connected with circuit loop in the driving device 3 via lead 52, with the start and stop of the motor in the accessory drive 38.

When using this utility model, as long as the syringe needle 42 of syringe 4 front ends is inserted in the syringe needle insertion mouth 11 (consulting Fig. 7).After syringe needle 42 inserted this syringe needle insertion mouth 11, its needle point just rolled between wheel 32, the 32a at two, and syringe needle connecting support 41 root edges that are incorporated between syringe 4 and the syringe needle 42 are just resisted at funnel-form guide hole 12 places.

When the syringe needle 42 that inserts contact in the

rotation rolling wheel

32,32a the time (direction shown in the rotation arrow among Fig. 8), promptly drawn in by force, and collected the perforate 22 of box 2 end faces by syringe needle.Because the root edge of syringe needle connecting support 41 is withstood by funnel-form guide hole 12, so the time syringe needle 42 separates with syringe needle connecting support 41, this moment syringe needle 42 in continuing to be rotated

rolling wheel

32,32a pulls out, fall at last in syringe needle collection box 2.At this moment, the syringe needle connecting support, and syringe do not had danger, and be collected in the syringe needle that syringe needle is collected box 2 inside, then can do further follow-up focusing on.

Claims

1, a kind of Needle removing device in order to the syringe needle of a used syringe is pulled out, is to combine by a syringe needle connecting support between this syringe needle and the syringe, it is characterized in that this device includes:

One Needle removing device housing, its end face offer a syringe needle that inserts for the syringe needle of desiring to pull out and insert mouth;

Two are rolled wheel, and both extend horizontally in the place, both sides that this syringe needle inserts the lower position of mouth abreast, and both tool one gaps, and this gap is right against above-mentioned syringe needle and inserts mouth, syringe needle is inserted by syringe needle can just be interposed in this gap when mouth inserts;

2, Needle removing device as claimed in claim 1 is characterized in that: the upper curtate periphery that the syringe needle of this Needle removing device housing inserts mouth is to be the structure that a funnel-form is led mouth.

3, Needle removing device as claimed in claim 1 is characterized in that: this surface of rolling wheel is provided with in order to increase the groove that this rolls wheel and desires to be pulled out friction between the syringe needle.

4, Needle removing device as claimed in claim 1 is characterized in that: it is to form a side direction open space that this syringe needle of this Needle removing device housing inserts a mouthful below, and this space content is received the syringe needle of a drawing out type and collected box.

5, Needle removing device as claimed in claim 4, it is characterized in that: it is an enclosed box body that this syringe needle is collected box, only offer a perforate at its end face, when making this syringe needle collect box to be contained in this Needle removing device enclosure interior, its perforate just corresponding to the syringe needle of this Needle removing device housing insert mouthful under.