CN203989293U

CN203989293U - Syringe

Info

Publication number: CN203989293U
Application number: CN201420375708.0U
Authority: CN
Inventors: 冯静; 芦敏慧; 鲁海蜃; 谭诗敏; 夏成龙
Original assignee: WUHAN PUAI HOSPITAL
Current assignee: WUHAN PUAI HOSPITAL
Priority date: 2014-07-07
Filing date: 2014-07-07
Publication date: 2014-12-10
Anticipated expiration: 2024-07-07

Abstract

This utility model relates to a kind of syringe, this syringe comprises the foraminate syringe of front end band and is located at the piston core bar in described syringe, in described aperture, syringe needle is housed, the pin stalk that described syringe needle comprises pintle and is connected with described pintle, the front end of described pin stalk is needle point, described syringe inwall is evenly provided with three raised items, and the outer wall of described piston core bar is evenly provided with three grooves, and described three raised items are inserted into respectively in described three grooves; Described needle point is provided with three liquid outlets, the 4mm of being separated by between adjacent liquid outlet, and the diameter of described liquid outlet is 1.5mm.This syringe can effectively prevent from occurring " skidding " between the two; In addition, this syringe needle point side a plurality of go out liquid pores can be by the diverse location place of injection injection muscles, the rapid diffusion that is conducive to injection, and a plurality of liquid outlet can reduce the pressure of injection to muscle in injection process, further alleviates patient's pain.

Description

Syringe

Technical field

This utility model relates to the syringe that a kind of intramuscular injection is used, and belongs to field of medical appliances.

Background technology

At present, intramuscular injection syringe used in use, is smooth contact between piston core bar and syringe, and contact can not be too tight between the two, otherwise need to could promote piston core bar compared with high thrust, be unfavorable for medical personnel's operation, therefore, have certain interval between the two, for the more syringe of access times, this gap is larger, easily causes " skidding " between the two, affects medical personnel's use.

In addition, while using syringe again patient to be carried out to intramuscular injection, can follow stronger pain, the reason that produces this pain comprises: the one, and syringe needle brings sensation of pricking after being inserted into muscle, the 2nd, in injection process, the liquid being injected out has certain pressure, can cause certain pain to human body.In addition, syringe needle used is the liquid outlet of needle point port at present, and injection is only injected into muscle from this liquid outlet, and this syringe needle is in injection process, and it is less that injection enters into intramuscular area, is unfavorable for the diffusion of injection.

Summary of the invention

This utility model object is to overcome above-mentioned the deficiencies in the prior art and a kind of syringe is provided, and this syringe not only can prevent from occurring " skidding " can also effectively alleviating the pain of injection to human body simultaneously between piston core bar and syringe.

The technical scheme that realizes the employing of this utility model object is: a kind of syringe, comprise the foraminate syringe of front end band and be located at the piston core bar in described syringe, in described aperture, syringe needle is housed, the pin stalk that described syringe needle comprises pintle and is connected with described pintle, the front end of described pin stalk is needle point, it is characterized in that: described syringe inwall is evenly provided with three raised items, the outer wall of described piston core bar is evenly provided with three grooves, and described three raised items are inserted into respectively in described three grooves; One end that described piston core bar is positioned at syringe is provided with pressure transducer, in piston core bar, is provided with single-chip microcomputer, and described single-chip microcomputer is connected with alarm or alarm lamp, and described single-chip microcomputer is also connected with pressure transducer; Described needle point is provided with three liquid outlets, the 4mm of being separated by between adjacent liquid outlet, and the diameter of described liquid outlet is 1.5mm.The utlity model has following beneficial effect:

Between piston core bar in this syringe and syringe, by raised item, snap in groove, realization is fixing to both, can effectively prevent from occurring between the two " skidding "; In addition, the pressure transducer on piston core bar can detect the pressure that injection is injected out in real time effectively, and judges whether this pressure exceeds the force value that clinical middle human body can bear, and as surpassed, gives the alarm; Simultaneously this syringe needle point side a plurality of go out liquid pores can be by the diverse location place of injection injection muscles, the rapid diffusion that is conducive to injection, and a plurality of liquid outlets can reduce the pressure of injection to muscle in injection process, further alleviate patient's pain.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the structural representation of syringe.

Fig. 3 is the structural representation of piston core bar.

Fig. 4 is needle head structure schematic diagram.

Fig. 5 is the using state schematic diagram of existing syringe needle.

Fig. 6 using state schematic diagram of the present utility model.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, this utility model is further described.

As shown in Figure 1, this utility model syringe comprises syringe 1, piston core bar 2 and syringe needle 3, and the front end of syringe 1 (left end in figure) is with aperture, and syringe needle 3 is arranged on this aperture, and piston core bar 2 is located in syringe 1.

As shown in Figure 2, the inwall of syringe 1 is evenly provided with between 1.1, three raised items 1.1 of three raised items and is 120 °,

As shown in Figure 3, the outer wall of piston core bar 2 is evenly provided with three grooves 2.4, and three raised items 1.1 of the inwall of syringe 1 are inserted into respectively in three grooves 2.4, thereby realizes relative fixing between piston core bar 2 and syringe 1.

As shown in Figure 4, the pin stalk 3.2 that syringe needle 3 comprises pintle 3.1 and is connected with pintle 3.1, the front end of pin stalk 3.2 is needle point 3.3, the surrounding of needle point 3.3 is provided with three liquid outlets 3.4, the 4mm of being separated by between adjacent liquid outlet 3.4, and the diameter of each liquid outlet 3.4 is 1.5mm.

In addition, piston core bar 2 one end (left end in Fig. 1) of the present embodiment syringe are provided with pressure transducer 2.1, the inside of piston core bar 2 is provided with single-chip microcomputer 2.2, and described single-chip microcomputer 2.2 is connected with alarm 2.3, and single-chip microcomputer 2.2 is also connected with pressure transducer 2.1.

Use the state of existing traditional syringe needle as shown in Figure 3, can find out, syringe needle enters in muscle 7 through epidermis 4, corium 5, subcutaneous tissue 6, and injection is just injected in muscle from the liquid outlet of needle point, now injected liquid and muscle contact surface are little, and diffusion is slow.

And the state of this use this utility model syringe needle as shown in Figure 4, injection is injected in muscle 7 from a plurality of liquid outlets 3.1, has increased the contact surface of injection and muscle, is conducive to the diffusion of injection.When the state (speed and strength) that is injected out with traditional syringe needle when the state that needs liquid to be injected out from a plurality of liquid outlets 3.1 is the same, if the quantity of liquid outlet 3.1 is too much, need to apply larger motive force to syringe, thereby can increase medical personnel's pressure.According to clinical experiment, adopt three liquid outlets 3.1, the diameter of each liquid outlet is 1.5mm, and while being separated by 4mm between adjacent liquid outlet, medical personnel operate this utility model and operation with traditional type syringe needle no significant difference, but now three injected liquid of liquid outlet 3.1 on this utility model syringe needle 3.3 also can be distributed in muscle faster, and patient has obviously and weakens the pain of injection muscles.

In using process of the present utility model, due between piston core bar 2 and syringe 1 by engaging between raised item 1.1 and groove, realize relatively fixingly, avoided appearance " skidding " situation between the two.When promoting piston core bar 2, injection in 2 pairs of syringes 1 of piston core bar produces a pressure, simultaneously, injection produces a counteracting force that size is identical to piston core bar 2, pressure transducer 2.1 can detect the size of this counteracting force in real time effectively, and this counteracting force detecting is transferred to single-chip microcomputer 2.2, in single-chip microcomputer 2.2, set in advance a pressure threshold, this pressure threshold is that human body has a value of comfort to injection pressure, by clinical experiment, obtain this pressure threshold, if the counteracting force size that pressure transducer 2.1 detects surpasses this pressure threshold, think and now promote the excessive velocities of piston core bar 2, the force value that injection is produced is excessive, may make patient produce discomfort, now, single-chip microcomputer 2.2 is controlled alarm 2.3 and is given the alarm.As a kind of preferred implementation of the present utility model, alarm 2.3 can be replaced with alarm lamp, and alarm lamp sends warning light.

Single-chip microcomputer 2.2 in this utility model only receives the pressure signal that pressure transducer 2.1 detects, according to the size of this pressure signal, judge whether to exceed pressure threshold, and in the situation that exceeding pressure threshold, control alarm 2.3 and give the alarm, in said process, the setting of single-chip microcomputer 2.2 belongs to the conventional technological means of those skilled in the art, this utility model does not improve the operation of single-chip microcomputer 2.2, uses existing single-chip microcomputer 2.2 to control to report to the police and can realize effect of the present utility model.

Claims

1. a syringe, comprise the foraminate syringe of front end band and be located at the piston core bar in described syringe, in described aperture, syringe needle is housed, the pin stalk that described syringe needle comprises pintle and is connected with described pintle, the front end of described pin stalk is needle point, it is characterized in that: described syringe inwall is evenly provided with three raised items, the outer wall of described piston core bar is evenly provided with three grooves, and described three raised items are inserted into respectively in described three grooves; One end that described piston core bar is positioned at syringe is provided with pressure transducer, in piston core bar, is provided with single-chip microcomputer, and described single-chip microcomputer is connected with alarm or alarm lamp, and described single-chip microcomputer is also connected with pressure transducer; Described needle point is provided with three liquid outlets, the 4mm of being separated by between adjacent liquid outlet, and the diameter of described liquid outlet is 1.5mm.