CN2157789Y

CN2157789Y - Atomization administrating injector

Info

Publication number: CN2157789Y
Application number: CN 93230216
Authority: CN
Inventors: 李治玖; 孙刚
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-02-13
Filing date: 1993-02-13
Publication date: 1994-03-02
Anticipated expiration: 2003-02-13

Abstract

The utility model relates to an atomization reagent feeding injector which belongs to a clinical and medical appliance and comprises a needle head connected with a needle body into one body with each other, and a steel needle body or a soft needle body and a needle base which can match with injector in any standard, wherein, the needle head composed of a nozzle head and a countervanes for liquid stream rotation is an atomization spraying head; the atomization effect of physic liquor is good, the injector can directly contact with the face of accepting the physic liquor, the physic liquor is easy to absorbed by human body, and the dosage of the physic liquor is easily mastered. The utility model has the advantages of obvious healing efficacy, simple structure and convenient and quick operation and can be widely used for the first-aid physic liquor feeding in a trachea of a cardiopulmonary resuscitation patient, etc., the medication with large area of burn and scalding, skin diseases, a surgery and an E. N. T. Department, uterine cavity infection, etc.

Description

Atomization administrating injector

This utility model relates to a kind of atomized medicine introducing pin, and it belongs to the clinical treatment utensil.

Administration is often to adopt and effective a kind of first-aid method and means in cardio-pulmonary resuscitation recent years in the trachea, be to remove of the sleeve pipe administration of the scalp acupuncture flexible pipe of syringe needle by endotracheal intubation or tracheotomy in the past, this method messenger drug stream enters with liquid stream or the mode of splashing in trachea, little with the contact area of pulmonary, directly influence the rapid absorption of medicine and the performance of effectiveness, and the scalp acupuncture flexible pipe is difficult for inserting smoothly, has influenced emergency time, and is particularly very unfavorable to the urgent patient; Secondly to large tracts of land medication such as burn and scald, dermatosis, surgery and department of otorhinolaryngology medication, be to adopt normal injection pin or aerosol apparatus administration, entry needle medicinal liquid coverage rate is little, weak curative effect, aerosol apparatus generally adopts the imbibition of compressed air negative pressure, and volume is big, and auxiliary device is many, during operating cost, effort, simultaneously be difficult to grasp drug dose again.In addition, infecting in the cavity of uterus, is not rare in the multipara, is oral medicine or intravenously administrable in the past, owing to be often unsatisfactory curative effect of general medication, adopts administration in the catheter uterine cavity, and because of medicinal liquid only touches the part, disperse is poor, and effect is undesirable.

The purpose of this utility model is to overcome above-mentioned weak point of the prior art, and provide a kind of simple in structure, volume is little, can be directly to reach and be subjected to powder, quick and easy to use, administration is accurate, and make the medicinal liquid uniform atomizing, thereby make medicinal liquid can be absorbed and bring into play the atomized medicine introducing pin of rendeing a service rapidly, for the emergency medical and the medication of large tracts of land inside and outside of seizing every minute and second provides advantage.

The purpose of this utility model can reach by following measure:

This atomized medicine introducing pin, by interconnecting syringe needle 1, rigidity or the soft needle body 2 that is integral and forming the pin base portion 3 that can cooperate with any standard syringe, wherein syringe needle 1 is the atomizer that is formed by connecting by nozzle head 4, liquid stream rotary steering sheet 5.

The purpose of this utility model can also reach by following measure:

The nozzle head 4 of this atomized medicine introducing pin can be the tool center of orifices, is to make the tubaeform of droplet scattering; Also can be the plate shaped of a tool center of orifices; Also can be on the platen surface of tool center of orifices, to adhere to a thin rounded flakes, make the circumferential edge ejection of medicinal liquid from thin slice.

Liquid stream rotary steering sheet 5 is by liquid stream swivelling chute 6, liquid stream conveyor chamber 7 and connect the throttle orifice 8 that both two centrages are parallel to each other and form, wherein, the centrage of the centrage of liquid stream swivelling chute 5 and nozzle head 4 is overlapping, the centrage of throttle orifice 8 is parallel with the baseplane of liquid stream swivelling chute 6, and liquid stream conveyor chamber 7 communicates with needle body part 2.

The optimum structure of liquid stream prerotation vane 5 is: liquid stream swivelling chute 6 is drum shape, throttle orifice 8 is slits tangent with the inwall of liquid stream swivelling chute 6, the sectional area of liquid stream conveyor chamber 7 is less than or equal to the sectional area of needle body 2, and the sectional area of throttle orifice 8 is less than or equal to the sectional area of liquid stream conveyor chamber 7.

Needle body 2 can be inflexible, also can be soft, and wherein soft needle body can be that make crooked arbitrarily soft metal, also can be made by nylon, plastics.

Work process of the present utility model is as follows:

The medicinal liquid of doses is under the thrust of the syringe that is connected with pin base portion 3, in needle body 2 enters the liquid stream conveyor chamber 7 of reduced cross-sectional area, flow velocity increases, the throttle orifice 8 that is parallel to each other through two centrages, enter liquid stream swivelling chute 6, flow velocity increases once more, produces the high speed rotating liquid stream in liquid stream swivelling chute 6, centre bore through nozzle head 4 sprays at a high speed, just forms atomized drop.

This utility model compared with prior art has the following advantages:

1, this atomized medicine introducing pin becomes molecule with medical liquid atomizing, and needle body is made by the soft metal, can random crooked different angles use, so can make used medicinal liquid directly be sprayed onto the needed by human body position equably, be easy to fully be absorbed by human body, the speed that the medicinal liquid performance is renderd a service is fast, particularly for first-aid patients, and the curative effect highly significant.As administration in the trachea in the cardiopulmonary recovery, medicine permeates in patient's trachea, bronchus and the capillary trachea equably with the form of atomized particles, help the rapid absorption of medicine, enter blood circulation and play a role,, striven for the time for the first aid of seizing every minute and second; For infecting in the cavity of uterus, behind the employing atomized medicine introducing pin, make selected medicine in uterine cavity, be spray pattern and permeate into full inner membrane of uterine cavity, significantly improved curative effect; For large tracts of land medications such as surgery, department of dermatologry, department of otorhinolaryngologys, significantly be superior to aerosol apparatus commonly used.

2, this utility model pin base portion can be connected supporting use with various standard syringe, is convenient to standardization and management, and is convenient to strict used drug dose and the concentration grasped.

3, this utility model is simple in structure, uses efficient and convenient, easy to carry, be easy to preserve, only get final product during use, so shortened patient's administration time greatly with standard syringe is supporting, also alleviated medical personnel's labor intensity, as trachea inner liquid medicine instillation in the past.

4, small and exquisite, meticulous, bright and clean, the no mucosa of this utility model and other soft tissue injurys; Needle body is made with the softening rustless steel of handling, except that can not get rusty, not fragile, can keep its profile again, and can use according to different needs is crooked, and changeable, therefore can directly be deep into desired area in the human body, and be easy to rapid insertion, for the time has been saved in first aid.

5, this utility model adopts rustless steel to make, so have high temperature resistant, easy sterilization, advantages such as long service life.

6, this utility model adopts the standardization accessory, links firm, good seal with syringe.

7, this utility model also can adopt nylon, plastic or other material to substitute except that with the stainless steel material, the raw material wide material sources, and cost is low, be easy to processing.

8, this utility model can be used for the interior administration of trachea and the large tracts of land medication of emergency medicals such as cardio-pulmonary resuscitation, as infection, large tracts of land burn and scald, dermatosis and department of otorhinolaryngology medication in the cavity of uterus, also can be used for other subjects or field spraying liquid (organic solvent).

This utility model has carried out five months clinical trial in Shandong Zibo city center hospital, and result of the test is as follows:

For administration in the trachea of cardio-pulmonary resuscitation, when the patient respiration heart beating stops, press at first open airway of rescue program, keep breathing unobstructed, be convenient to oxygen supply, carry out cardiac compression simultaneously, these programs all require to finish in the shortest time, this atomized medicine introducing pin is finished simultaneously in tracheal intubation or tracheostomy tube, promptly inserts administration in the trachea rapidly.Through actual observation to 7 routine cardio-pulmonary resuscitation patients, all obtain positive effect, 7 routine patients are respectively: organophosphate poisoning 1 example, 3 examples of dying suddenly, cerebral hemorrhage 2 examples, electric burn 1 example, after the administration of this atomized medicine introducing pin, be respectively 88 seconds to drug absorption (the being cardio-pulmonary resuscitation) time, 128 seconds, 97 seconds, 97 seconds, 120 seconds, 120 seconds, 150 seconds, be 112 seconds average time, the average time (132 seconds) that obviously is better than latex tubing (scalp needle tubing) and intravenously administrable, test shows, with the administration of this atomized medicine introducing pin, efficient and convenient, on the first aid curative effect, obviously be better than dripping under medicine and the venipuncture administration, the particularly situation that poor circulation or circulation stop around in the domestic scalp needle tubing commonly used at present.

Large tracts of land medication test such as infect in 30 routine department of otorhinolaryngologys, surgery, department of dermatologry and cavity of uterus, its curative effect obviously is superior to the traditional method administration, and easy operating, is subjected to numerous medical personnel's welcome.

Fig. 1 is this utility model structural representation;

Fig. 2,3,4 is the structural representation of this utility model liquid stream rotary steering sheet 5;

Fig. 5 is the A-A profile of this utility model liquid stream rotary steering sheet 5;

Fig. 6 is the B-B profile of this utility model liquid stream rotary steering sheet 5;

Fig. 7,8 is the structural representation of this utility model nozzle head 4;

Fig. 9 is the left view of this utility model nozzle head 4;

Figure 10 is the structural representation of this utility model nozzle head 4;

Figure 11 is this utility model structural representation;

Wherein: 1 syringe needle part, 2 needle body parts, 3 pin base portions, 4 nozzle heads, 5 liquid stream rotary steering sheets, 6 liquid stream swivelling chutes, 7 liquid stream conveyor chambers, 8 throttle orifices.

Embodiment of the present utility model is as follows: medicinal liquid enters the liquid stream conveyor chamber 7 of reduced cross-sectional area by needle body 2 under certain pressure, flow velocity is accelerated, by a pair of and tangent slit 8 of inwall liquid stream swivelling chute 6, enter drum shape liquid stream swivelling chute 6, flow velocity improves once more, in liquid stream swivelling chute 6, form the high speed rotating liquid stream, spray at a high speed, form spray pattern at once through the centre bore of nozzle head 4.Because the drop that atomizing forms is very little, the droplet sputter face is big, so be easy to skin or mucosa absorption, brings into play curative effect rapidly, and needle tubing can be arbitrarily crooked, and directly contact is subjected to powder, thus the curative effect highly significant.Can be used as the special-purpose needle set of the interior administration of trachea of emergency medicals such as cardio-pulmonary resuscitation, also can be used as the special-purpose needle set of inside and outside large tracts of land medication.

Claims

1, a kind of atomized medicine introducing pin that is used for clinical treatment, it is characterized in that: form by interconnecting syringe needle (1), needle body (2) that is integral and the pin base portion (3) that can cooperate with any standard syringe, wherein syringe needle (1) is the atomizer that is formed by connecting by nozzle head (4), liquid stream rotary steering sheet (5).

2, atomized medicine introducing pin according to claim 1, it is characterized in that: nozzle head (4) can be the tool center of orifices and be and can make the tubaeform of droplet scattering, also can be the plate shaped of a tool center of orifices, also can be on the platen surface of tool center of orifices, to adhere to a thin rounded flakes, make the circumferential edge ejection of medicinal liquid from thin slice.

3, atomized medicine introducing pin according to claim 1, it is characterized in that: liquid stream rotary steering sheet (5) is by liquid stream swivelling chute (6), liquid stream conveyor chamber (7) and connect the throttle orifice (8) that both two centrages are parallel to each other and form, wherein, the centrage of the centrage of liquid stream swivelling chute (5) and nozzle head (4) is overlapping, the centrage of throttle orifice (8) is parallel with the baseplane of liquid stream swivelling chute (6), and liquid stream conveyor chamber (7) communicates with needle body part (2).

4, atomized medicine introducing pin according to claim 3, it is characterized in that: liquid stream swivelling chute (6) is drum shape, throttle orifice (8) is the tangent slit of inwall with liquid stream swivelling chute (6), the sectional area of liquid stream conveyor chamber (7) is less than or equal to the sectional area of needle body (2), and the sectional area of throttle orifice (8) is less than or equal to the sectional area of liquid stream conveyor chamber (7).

5, atomized medicine introducing pin according to claim 1 is characterized in that: needle body (2) can be inflexible, also can be soft, and wherein soft needle body can be made by the soft metal of any bending, also can be made by nylon, plastics.