CN101862488A

CN101862488A - Injector

Info

Publication number: CN101862488A
Application number: CN 201010189542
Authority: CN
Inventors: 谭永宏
Original assignee: Shenzhen Shenke Medical Instrument Technical Development Co Ltd
Current assignee: Shenzhen Shenke Medical Instrument Technical Development Co Ltd
Priority date: 2010-06-01
Filing date: 2010-06-01
Publication date: 2010-10-20

Abstract

The invention discloses an injector. The injector comprises a push rod and a hollow needle cylinder, wherein the rear end of the needle cylinder is provided with an opening; the push rod stretches into the needle cylinder from the opening; the injector is provided with an identifying part for an injection pump to identify; and the identifying part is a coating or a bulge. The invention provides the injector which is convenient to identify.

Description

A kind of syringe

Technical field

The present invention relates to a kind of medical device, relate in particular to a kind of syringe.

Background technology

At present, the medical safety problem has caused people's extensive concern.The factor that influences medical safety uses armarium and equipment inferior also can become an inducement that causes malpractice sometimes except comprising diagnosis factor, medical skill, medicine source sexual factor.For example some underproof medical and hygiene articles flood market, may have following defective: sanitary condition is not up to standard, adopted harmful material inferior, size or unreasonable structure impact dosage, quality easy damage of poor quality, unstable properties, even exist functional defect can't realize basic medical functions etc., the in a single day clinical use of these substandard products then can bring great potential safety hazard for people's health.Syringe is as one of medical device of use amount maximum, its safety especially is worth people to pay attention to, no matter disposable syringe or muptiple-use syringe in order to reduce unnecessary potential risk, should be taken precautions against technically as much as possible and use product of unknown origin.

Summary of the invention

The main technical problem to be solved in the present invention is that a kind of syringe of being convenient to discern is provided.

For solving the problems of the technologies described above, the invention provides a kind of syringe, comprise the syringe of push rod and hollow, the rear end of described syringe has opening, and described push rod stretches into described syringe from described opening; Also be provided with identification part on the described syringe for syringe pump identification.

In a kind of embodiment, described identification part is coating or jut, is arranged on described syringe or the push rod.

Described coating is formed by ink coats.

Preferably, described printing ink is colorless ink or colored ink.

Perhaps, described coating forms by absorbing ultrared pigment coating.

Preferably, described pigment is leuco-pigment or colored pigment.

In a kind of embodiment, described jut stretches out from the outer surface of described syringe or push rod.

In the another kind of embodiment, described identification part is an identification icon.

Further, described identification part is arranged on the outer surface of described syringe, and with syringe pump on to be used for fixing the pressure handle of described syringe corresponding.

The opening part of described back end of syringe also is provided with the shelves limit that extends radially outwardly, and the distance between described identification part and the described shelves limit is 8mm～12mm.

Beneficial technical effects of the present invention is: by the identification part for syringe pump identification is set on syringe, make its can the injection before, at first syringe is discerned authentication by the recognition device on the syringe pump, if syringe is by the identification authentication, then syringe pump is opened the injection actuator, begins to inject; If by the identification authentication, then syringe pump does not cut out the injection actuator to syringe, stop injection.Adopt the present invention, can carry out effective recognition syringe.Thereby the potential safety hazard that can effectively avoid fake and forged syringe that the patient is brought.

Description of drawings

Fig. 1 is the syringe pump axonometric chart of an embodiment of the present invention;

Fig. 2 is the syringe sketch map of one embodiment of the present invention;

Fig. 3 is the syringe sketch map of another embodiment of the present invention;

Fig. 4 is the pressure handle axonometric chart in the syringe pump of an embodiment of the present invention;

Fig. 5 is the block diagram of a kind of syringe recognition device of the present invention;

Fig. 6 is the block diagram of the another kind of syringe recognition device of the present invention;

Fig. 7 is the control method flow chart of the syringe pump of an embodiment of the present invention.

The specific embodiment

In conjunction with the accompanying drawings the present invention is described in further detail below by the specific embodiment.

Embodiment one:

The injection device of present embodiment comprises syringe pump and syringe, syringe pump comprises syringe installation position and the push-pull mechanism that is used for injector-actuated, syringe pump also comprises the syringe recognition device, and syringe is provided with the identification part for the identification of syringe recognition device.

Please refer to Fig. 1, syringe pump comprises pedestal 20, and the syringe recognition device etc. that is arranged on syringe installation position 21 on the pedestal 20, pressure handle 22, retaining groove 23, push-pull mechanism 24, control interface 25, display screen 26 and is used to discern syringe.

Please refer to Fig. 2 and Fig. 3, syringe comprises syringe 11 and stretches into the push rod 12 of syringe 11, identification part 14 is set on the syringe.For example, identification part 14 can be the coating on the syringe, adopts materials such as colorless ink, colored ink, the ultrared leuco-pigment of absorption or colored pigment to apply formation on syringe 11 or push rod 12; Perhaps be the specific identification icon of point-like or other shapes, form, also can adopt modes such as stickup, engraving to form by printing ink, pigment etc.; Identification part 14 also can be the jut 15 of injector surface, and from the formation that stretches out of the outer surface of syringe 11 or push rod 12, preferably, its bearing of trend is parallel with the axis of syringe 11.

The advantage that jut 14 is set in injector surface is: processing technology is simple, jut can with the disposable machine-shaping of syringe.But if will reprocess jut on the syringe after the molding, the difficulty of then encroaching right is very big.

Syringe installation position 21 on the syringe pump is used for mounting of syringe, pressure handle 22 can be pressed in syringe 11 tops of syringe it is fixed, push-pull mechanism 24 is used for the push rod 12 of injector-actuated, and control interface 25 is used for input control signal, and display screen 26 is used for display operation information.When syringe is placed on the syringe installation position 21 of syringe pump, rotate syringe 11 and make the position of identification part 14 corresponding with the syringe recognition device, the syringe recognition device can detect this identification part 14, thereby syringe is discerned.Preferably, the opening part of syringe 11 rear ends also is provided with the shelves limit 13 that extends radially outwardly, be used to block the fixedly draw-in groove 23 of syringe of grade limit 13 thereby also be provided with on the syringe pump 20, shelves limit 13 embeds in the draw-in grooves 23, avoids in the injection process syringe 11 movable with push rod 12.Desirable 1mm～the 3mm of thickness t on shelves limit 13 just in time is embedded in the draw-in groove 23, and identification part 14 is arranged on and pressure handle 22 corresponding positions, and the distance L between the shelves limit 13 is 8mm～12mm, when pressure handle 22 is pressed in syringe 11 tops, just in time can detect identification part 14.In for example a kind of syringe pump commonly used, the width of draw-in groove 23 is 2mm, and the thickness t that grade limit 13 can be set is 1.8mm, and the distance L between identification part 14 and the shelves limit 13 is 10mm.

As shown in Figure 4, pressure handle 22 specifically comprise last item 221 and be connected in the depression bar 222 of last item 221 ends, last item 221 be connected with pedestal 20 elasticity and be fixed on syringe installation position 21 and shelves groove 23 between, last item 221 can make depression bar 222 be pressed on the syringe 11 of syringe under elastic reaction, avoid it to break away from syringe installation position 21, also rotatable when last item 221 is drawn out to certain altitude so that push down syringe 11.Also have the detecting position 223 that is used to detect identification part 14 on the pressure handle 22, this detecting position 223 is corresponding with 14 positions, identification part on the syringe, can just in time be arranged on the bottom side of depression bar 222, can accurately detect when compressing syringe.

As shown in Figure 5 and Figure 6, syringe recognition device 24 comprises detecting unit 30, actuator 32 and reminding unit 33 etc., the position of detecting unit 30 is corresponding with the position of identification part 14, be used to detect the identification signal of returning from syringe, and carry out signal to actuator 32 according to testing result output, according to dissimilar identification part 14, detecting unit 30 also has polytype.

During as identification part 14, detecting unit 30 for example can comprise infraluminescence pipe 301 and infrared sensor 302 for being used to detect the imageing sensor of identification signal with coating or identification icon; Infraluminescence pipe 301 is used to shine coating or the identification icon that is provided with on the syringe, makes it absorb infrared light, and infrared sensor 302 is used for responding to this coating or identification icon by receiving the infrared identification signal of returning on the syringe; Imageing sensor also can adopt CMOS or Ultraviolet sensor, can be by receiving optical identification signal or the ultraviolet identification signal of returning on the syringe, thus respond to complete coating or identification icon, be convenient to its accurate identification.

With jut 15 during as identification part 14, detecting unit 30 is for being positioned at the touch sensor of syringe one side or top, reflective optical sensor or correlation optical sensor, with identification part 14 be that the situation of coating or identification icon is similar, jut 15 correspondences can be arranged on syringe installation position 21 or the pressure handle 22, touch sensor is used to respond to the jut 15 of relevant position on the syringe, reflective optical sensor or correlation pick off are respectively applied for reflective effect or the light-shading effect by jut 15, receive the contact identification signal or the optical identification signal that return on the defeated syringe, thereby respond to this jut 15.

Detecting unit 30 is after finishing detection, output is carried out signal to actuator 32 according to testing result, actuator 32 is carried out correspondingly operation according to carrying out signal, and the execution signal is used to drive push-pull mechanism 24 to be made the syringe start injection, stop to inject, detect injection speed, conversion injection pattern etc.

When identification part 14 is a identification icon on the syringe, preferably, in order to improve accuracy of identification, the syringe recognition device also comprises the comparing unit 31 that is connected between detecting unit 30 and the actuator 32, detecting unit 30 is an imageing sensor, comparing unit 31 can be PLC control devices such as (Programmable Logic Controllers), be used for when image sensor senses after the identification signal of returning from syringe, whether the identification icon that relatively obtains is consistent with default identification icon, be, then export start injection, begin to detect inject state etc. and carry out signal, wait and carry out signal to actuator 32 otherwise output stops injection to actuator 32.The also exportable testing result of comparing unit 31 is used to remind user's start injection to reminding unit 33, perhaps stops injection, so that the user changes syringe.Reminding unit 33 can be display screen 26 or audible device.Certainly, also can not comprise comparing unit 31, as long as detecting unit 30 detects identification icon, output is immediately carried out signal to actuator 32.

When identification part 14 was the jut 15 of injector surface, the relevant position that detects injector surface when detecting unit 30 had jut 15, then exported start injection immediately, began to detect inject state etc. and carry out signal to actuator 32; Otherwise, if detecting the relevant position of injector surface, detecting unit 30 do not have jut 15, then output stops to inject or closing the execution signal of relevant operation to actuator 32.The also exportable testing result of detecting unit 30 is used for the reminding user to replace syringe to reminding unit 33 simultaneously.

Embodiment two:

As shown in Figure 7, the control method of syringe pump mainly may further comprise the steps:

Step S701: syringe is installed in the syringe installation position 21 of syringe pump, and syringe pump powers on.

Step S702: before the syringe pump injection, by the syringe recognition device syringe is discerned, for example detecting unit 30 is by detecting the identification signal of returning from syringe, the identification part 14 on the identification syringe.According to dissimilar identification part 14, detection method is also different.When identification part 14 is a identification icon on the syringe, utilize the mode of image sensing to detect this identification icon.When identification part 14 is the jut 15 of injector surface, utilize contact induction, correlation photoinduction or the induced mode of reflecting light to detect whether have jut 15.

Step S703: judge whether to be then to enter step S 705, otherwise to enter step S704 by the identification authentication.

When identification part 14 is coating on the syringe or identification icon, in a kind of identification authentication method,, detecting unit 30 has coating or identification icon on the syringe if detecting, show by the identification authentication, then enter step S705, otherwise, enter step S704 not by the identification authentication; In the accurate more identification authentication method of another kind, after detecting unit 30 detected identification icon, whether more detected identification icon was consistent with default identification icon, is, then showed by the identification authentication, entered step 705; Otherwise, do not enter step S704 by the identification authentication.When identification part 14 is the jut 15 of injector surface, if detecting the relevant position of injector surface, detecting unit 30 has jut 15, show by the identification authentication, enter step S705, otherwise, enter step S704 not by the identification authentication.

Step S704: syringe is not by the identification authentication, then send the execution signal that stops to inject to syringe pump, making actuator 32 stop injector-actuated injecting automatically, also exportable testing result is to reminding unit 33, for example make its mode that adopts screen display or sounding point out the user to change syringe, get back to step S702 after changing and detect again.

Step S705: by the identification authentication, send the execution signal that begins to inject to syringe pump, actuator 32 these syringes of driving of syringe pump are injected automatically, and also exportable testing result is to reminding unit 33, so that remind the user to operate accordingly.

Syringe pump of the present invention and control method thereof are effectively discerned by specific 13 pairs of syringes in identification part on the detection syringe, only make syringe on this syringe pump, use the potential safety hazard that effectively to avoid fake and forged syringe that the patient is brought by the identification authentication.

Above content be in conjunction with concrete embodiment to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.

Claims

1. syringe comprises the syringe of push rod and hollow it is characterized in that the rear end of described syringe has opening that described push rod stretches into described syringe from described opening; Also be provided with identification part on the described syringe for syringe pump identification.

2. syringe as claimed in claim 1 is characterized in that described identification part is coating or jut, is arranged on described syringe or the push rod.

3. syringe as claimed in claim 2 is characterized in that described coating is formed by ink coats.

4. syringe as claimed in claim 3 is characterized in that, described printing ink is colorless ink or colored ink.

5. syringe as claimed in claim 2 is characterized in that, described coating forms by absorbing ultrared pigment coating.

6. syringe as claimed in claim 5 is characterized in that, described pigment is leuco-pigment or colored pigment.

7. syringe as claimed in claim 2 is characterized in that described jut stretches out from the outer surface of described syringe or push rod.

8. syringe as claimed in claim 1 is characterized in that, described identification part is an identification icon.

9. as each described syringe in the claim 1 to 8, it is characterized in that described identification part is arranged on the outer surface of described syringe, and with syringe pump on to be used for fixing the pressure handle of described syringe corresponding.

10. syringe as claimed in claim 9 is characterized in that, the opening part of described back end of syringe also is provided with the shelves limit that extends radially outwardly, and the distance between described identification part and the described shelves limit is 8mm～12mm.