CN201213944Y

CN201213944Y - Painless intramuscular injection device

Info

Publication number: CN201213944Y
Application number: CNU2008201118778U
Authority: CN
Inventors: 宣建民
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-05-03
Filing date: 2008-05-03
Publication date: 2009-04-01
Anticipated expiration: 2018-05-03

Abstract

The utility model relates to an intramuscular injection painless machine, which comprises a semi straight barrel shaped liner, a straight barrel shaped protective shell, two half seal plates, two springs driven to brake and a switch, wherein the semi straight barrel shaped liner can quickly move along the central shaft direction and can fix a disposable syringe; the straight barrel shaped protective shell consists of a main box and a cover; the two semi seal plates are used to prevent an injector from contacting the skin of a person receiving the injection; the liner fixed with a pull ring is positioned in the main box of the shell which is fixed with a stress post; the springs are positioned between the liner and a lower half seal plate of the main box of the shell, and connected with the liner and the main box of the shell; and the half seal plates are positioned on the lower end of the main box of the shell. The intramuscular injection painless machine can make anyone quickly master the intramuscular injection painless technology and perform the painless intramuscular injection, makes the person receiving the injection painless during needle insertion, can meet the sterile requirement and injection depth requirement of the intramuscular injection, and effectively avoids cross infection due to skin contact of the injector and the person receiving the injection.

Description

The painless device of intramuscular injection

Affiliated technical field

This utility model relates to a kind of assistive device that can carry out the intramuscular injection of painless property, the cross infection that can also avoid the injector and be caused because of contact skin by the injector.

Background technology

Intramuscular injection is that people use one of usual way of medicine, medicine is by the intramuscular of injector to inject to the human body suitable position, make drug slow absorb the purpose that reaches treatment, except the pain that causes because of some drugs self, owing to the technical operation reason, the pain that intramuscular injection causes is very common, and is agonizing by the injector, especially just medical personnel that started working and part are engaged in the personnel of medical and nursing work in the rural area, the meeting that has causes by the injector has a fainting spell during acupuncture treatment.The technical key point of (painless property) intramuscular injection is two fast one slow, inserting needle speed wants fast when promptly injecting, and it is slow that injection liquid speed is wanted, and pulls out needle speed and wants fast, many medical and nursing work personnel technical key point of inserting needle is on top of arranged at present, and this is the main cause that causes pain.The technical key point of (painless property) intramuscular injection inserting needle is: the syringe that medicinal liquid will be housed during injection vertically places by top, injector injection site disinfectant skin, mainly utilize wrist power, arm strength is auxiliary, make the rapidly vertical prick skin of syringe needle, enter into intramuscular, stop after reaching appropriate depth, like this, because sharp syringe needle and inserting needle fast make inject time extremely short, will not had the sensation of pain by the injector.May be not sharp except syringe needle, during inserting needle syringe be not orthogonal to skin or (with) speed slow or (with) vibration is arranged, all can cause by injector's pain, make by injector's muscle to become (more) anxiety, pain more when injecting medicine, this is the basic reason of intramuscular injection pain.Utility model patent ZL200620159392.7 and application (patent) numbers 200820092836.9 remains in design defect: both hands do not have origin of force when inner bag upwards stretches.

Summary of the invention

In order to achieve the above object, correct above-mentioned defective, of the present utility model being constructed as follows:

According to an aspect of the present utility model, provide a kind of intramuscular injection painless device, it comprises: inner bag, the main box and the lid of shell, spring, half hush panel, draw ring, force column and switch, wherein, inner bag is positioned at the baffle plate of the main box of shell, half hush panel, between side guard and the main box, interior cholic main body is a semi-circle tubular, diameter is identical with the external diameter of syringe cylinder, height is identical with the height of syringe cylinder, the upper end of main body is furnished with and is horizontal U-shaped, semicircular draw-in groove, interior diameter at the bottom of the draw-in groove is identical with the width of the handle of syringe cylinder, draw-in groove is furnished with spring leaf in the two ends, the interior lower end of cabinet body is furnished with half baffle rings at downward 30 degree angles, interior diameter is 6 to 9 millimeters, also can, on the inner bag outside, the lower end is provided with perpendicular to interior cholic, overall diameter identical with the draw-in groove overall diameter on, the lower baffle plate annulated column, the height of overhead gage annulated column is 5 millimeters, the height of lower baffle plate annulated column is 6 to 10 millimeters, both are connected with fixing head by parallel front end, fixing head is parallel with the center of circle of main body, and the thickness of a sheet material of indentation backward, respectively there is one 30 degree angle at the two ends of lower baffle plate annulated column, the spring of open-ended is through via hole up and down, there is the spring fixation hook below of the both sides of overhead gage annulated column, center at interior cholic overhead gage annulated column and draw-in groove rear, vertical fixing has tetragonal draw ring joint pin, it highly is that draw-in groove arrives overhead gage annulated column distance bottom topmost, 1 to 3 millimeter of width, and outwards vertically pass shell, the distance back identical with outer casing thickness connects columniform draw ring, the draw ring diameter is greater than 2 to 5 millimeters of the height of draw ring joint pin, its thickness is 1 to 1.5 centimetre, is fixed in joint pin by the fixture perpendicular to joint pin; The main box of shell and lid are that hemicycle is tubular, interior diameter is identical with the overall diameter of draw-in groove, hinge is arranged between the two, switch is positioned at the outer top of main box, its upper limb is perpendicular to main box, and protrudingly advance in the main box 1 to 3 millimeter, switch is gone up the distance because of the upper limb of main box most, bigger 1 to 3 millimeter than the upper limb of draw-in groove to the distance of overhead gage annulated column lower edge, the main box middle part of shell is furnished with the baffle plate annulated column at symmetric 120 degree angles, interior diameter is identical with the overall diameter of cabinet body, the distance of upper limb and bottom, littler 5 millimeters than syringe cylinder handle to the distance of syringe needle root, with the distance of switch upper limb be the distance of inner bag operation, hit exactly at main box rear, between overhead gage annulated column and main box the top, a rectangular window is arranged, its width is identical with the width of draw ring joint pin, it highly is the distance between overhead gage annulated column and main box the top, parallel with the centrage of main box, going up most of main box, be provided with half hush panel in the lower end perpendicular to main box, first hush panel also can, interior diameter is identical with the overall diameter of cabinet body, second hush panel is connected with upwards, with the identical fixing head of cabinet body fixing head width, its the top is 5 millimeters with the distance of baffle plate annulated column lower edge, there is the spring fixation hook second top, hush panel both sides, the proceeds posterolateral center is symmetrically fixed with force column outside shell master box, 3 to 5 centimetres of height, width and thickness are 1 to 1.5 centimetre, both side edges is parallel to each other, and it is parallel with the line of the centrage of shell master box rear center, and the anti-skidding stricture of vagina parallel with centrage arranged, and the part in main box bottom has 1 to 2 millimeter place, and its width enlarges gradually; The middle part at shell lid middle part is furnished with the support annulated column, the interior diameter that supports annulated column is identical with the overall diameter of syringe cylinder, upper limb is equal with the upper limb of the baffle plate annulated column of main box, highly is 20 to 35 millimeters, the shell lid be furnished with tetragonal boosting window and watch window up and down respectively, the boosting window is high 3 centimetres, width is 25 millimeters, is opened on the upper end, and watch window is positioned at the both sides of supporting annulated column, upper limb is equal with the upper limb that supports annulated column, 1 centimetre apart from the bottom of lower edge; The two ends of two springs are individually fixed in the spring fixation hook of upper and lower sides.

The beneficial effects of the utility model are: utilize the effect of spring, carry out the intramuscular injection of painless property rapidly, got rid of artificial unfavorable factor, overcome and produced pain when making the intramuscular injection inserting needle because of the manual operation reason, and be applicable to the disposable syringe of producing by standard GB 15810-2001, and the aseptic technique that can reach intramuscular injection requires and the injection depth requirement, and avoid the generation of contact skin cross infection, easy and simple to handle, can make anyone carry out the intramuscular injection of painless property rapidly.

Description of drawings

Fig. 1-1 is an inner bag front oblique view; Fig. 1-2 is the inner bag side view; Fig. 1-3 is an inner bag top vertical view; Fig. 1-4 is an inner bag bottom vertical view

Fig. 2-1 is the shell upper vertical view; Fig. 2-2 is a shell middle part vertical view; Fig. 2-3 is the outer casing bottom vertical view; Front oblique view when Fig. 2-4 opens for shell; Fig. 2-5 is a shell switch-side view

Fig. 3 is the painless device front view of intramuscular injection

The specific embodiment

Below with reference to accompanying drawings, this utility model is described in detail:

In the accompanying drawings: 1 is draw-in groove, and 2 is draw ring, and 3 is spring leaf, 4 is the spring fixation hook, and 5 is the baffle plate annulated column, and 6 is fixing head, 7 be spring through via hole, 8 is baffle rings, 9 is cabinet body, 10 is lid, and 11 is window, and 12 is shell master box, 13 is switch, and 14 is hinge, and 15 for supporting annulated column, 16 is hush panel, and 17 is force column, and 18 is spring.

Cholic structure in Fig. 1-1 shows to Fig. 1-4, dotted line is covered part.As shown in the figure, interior cholic main body (9) is a semi-circle tubular, diameter is identical with the external diameter of syringe cylinder, height is identical with the height of syringe cylinder, play the fixedly effect of disposable syringe tube, the upper end of main body (9) is furnished with and is horizontal U-shaped, semicircular draw-in groove (1), the interior diameter at draw-in groove (1) end is identical with the width of the handle of syringe cylinder, draw-in groove (1) is furnished with spring leaf (3) in the two ends, play the fixedly effect of syringe cylinder handle, syringe can not be moved up and down, the interior lower end of cabinet body (9) is furnished with half baffle rings (8) at downward 30 degree angles, interior diameter is 6 to 9 millimeters, can hold the syringe bottom, and syringe nipple can be passed through, on the inner bag outside, the lower end is provided with perpendicular to interior cholic, overall diameter identical with draw-in groove (1) overall diameter on, lower baffle plate annulated column (5), 5 millimeters of thickness, play and slide and fixedly inner bag and the effect that limits move distance, both parallel front ends are connected with fixing head (6), fixing head (6) is parallel with the center of circle of main body (9), and the thickness of a sheet material of indentation backward, play and slide and fix interior cholic effect, inner bag can not be rotated, respectively there is one 30 degree angle at the two ends of lower baffle plate annulated column (5), the spring of open-ended is through via hole (7) up and down, spring (18) can be passed through, there is spring fixation hook (4) below of the both sides of overhead gage annulated column (5), one end of fixing spring (18), center at interior cholic overhead gage annulated column (4) and draw-in groove (1) rear, vertical fixing has tetragonal draw ring joint pin, draw-in groove (1) is topmost to overhead gage annulated column (4) distance bottom during its height, 1 to 3 millimeter of width, and outwards vertically pass shell (10), the distance back identical with shell (10) thickness connects columniform draw ring (2), draw ring (2) diameter is greater than 2 to 5 millimeters of the height of draw ring joint pin, its thickness is 1 to 1.5 centimetre, be fixed in joint pin by the fixture perpendicular to joint pin, its effect is that pulling inner bag (9) moves up.

Fig. 2-1 shows the structure of shell to Fig. 2-5, and dotted line is covered part.As shown in the figure, the main box (12) and the lid (10) of shell are that hemicycle is tubular, interior diameter is identical with the overall diameter of draw-in groove (1), hinge (14) is arranged between the two, can open like this, close, and form a circle, being beneficial to finger can hold, and can get, put disposable syringe, switch (13) is positioned at the outer top of main box (12), its upper limb is perpendicular to main box (12), and protrudingly advance in the main box (12) 1 to 3 millimeter, the distance of upper limb of switch (13) and the upper limb of main box (12), bigger 1 to 3 millimeter than the upper limb of draw-in groove (1) to the distance of overhead gage annulated column (5) lower edge, play fixing, cholic motion effect in the switch, main box (12) middle part of shell is furnished with the baffle plate annulated column (5) at symmetric 120 degree angles, interior diameter is identical with the overall diameter of cabinet body (9), the distance of upper limb and bottom, littler 5 millimeters than syringe cylinder handle to the distance of syringe needle root, with the distance of switch (13) upper limb be the distance of inner bag operation, play inner bag operation downwards and the fixing interior cholic effect of stoping, going up most of main box (12), be provided with half hush panel (16) in the lower end perpendicular to main box (12), interior diameter is identical with the overall diameter of cabinet body (9), the upper end can prevent that inner bag from taking off outward, the lower end with by injector's contact skin, second hush panel (16) is connected with upwards, the fixing head (6) identical with cabinet body fixing head (6) width, can limit inner bag can only move up and down, can not rotate, its the top is 5 millimeters with the distance of baffle plate annulated column lower edge, cholic lower baffle plate annulated column (5) can enter in making, because its lower edge and main box (12) distance topmost is less than interior cholic total length, therefore inner bag can not deviate from, there is spring fixation hook (4) top, second hush panel (16) both sides, the lower end of fixing spring (18), the middle part at shell lid (10) middle part is furnished with supports annulated column (15), the interior diameter that supports annulated column (15) is identical with the overall diameter of syringe cylinder, upper limb is equal with the upper limb of the baffle plate annulated column (5) of main box (12), it highly is 20 to 35 millimeters, after closing lid (10) syringe cylinder can only be moved up and down, can not outwards move, the proceeds posterolateral center is symmetrically fixed with force column (17) outside shell master box (12), 3 to 5 centimetres of height, width and thickness are 1 to 1.5 centimetre, both side edges is parallel to each other, and it is parallel with the line of the centrage of shell master box (12) rear center, and the anti-skidding stricture of vagina parallel with centrage arranged, part in main box (12) bottom has 1 to 2 millimeter place, its width enlarges gradually, make the thumb and the forefinger of a hands can tightly clamp force column (17) like this, the another hands can upwards draw inner bag (9) by draw ring (2); Shell lid (10) be furnished with tetragonal boosting window (11) and watch window (11) up and down respectively, boosting window (11) is high 3 to 4 centimetres, width is 25 millimeters, be opened on the upper end, thumb is passed through, and make the complete return of push rod in the syringe, medicine in the syringe is released fully, watch window (11) is positioned at the both sides of supporting annulated column (15), upper limb is equal with the upper limb that supports annulated column (15), 1 centimetre apart from the bottom of lower edge can be observed the situation of medicine in the syringe fully; The spring fixation hook (4) that the two ends of two springs (18) are individually fixed in both sides plays the effect of power.

As shown in Figure 3, this is the general assembly drawing of the painless device duty of intramuscular injection.As shown in the figure, the thumb of a hands and forefinger can tightly be clamped force column (17), the another hands can upwards draw inner bag (9) by draw ring (2), make inner bag (9) place interior the top of main box (12) of shell, load onto disposable syringe this moment, removes protective sleeve of syringe needle, close the cover (10), Push switch (13) just can carry out intramuscular injection; The distance of painless device motion is that the root of syringe needle exposed parts is to the distance of protective sleeve of syringe needle between foremost, the needed injection depth of intramuscular injection just.

The painless implement body operation sequence of intramuscular injection is: uncap (10); the thumb of a hands and forefinger can tightly be clamped force column (17); the another hands can upwards draw inner bag (9) by draw ring (2); make inner bag place interior the top of main box (12) of shell; the disposable syringe that pumps medicinal liquid is put protective sleeve; place inner bag (9); take off protective sleeve; close the cover (10); make left hand hold its middle and lower part; make boosting mouth (11) towards the right hand; the outside of sterilization hush panel (16) and the skin of injection site; with the vertical flicking of assistor on skin; Push switch (13); under the effect of spring (18); the inner bag band syringe and is moved downward fast; after the rapid prick skin of syringe needle enters into the intramuscular appropriate depth; inner bag and syringe stop motion; like this; promptly got rid of artificial unfavorable factor, reached the painless specification requirement of intramuscular injection, aseptic technique requires and the injection depth requirement; avoided the generation of contact skin cross infection, also can make anyone grasp the technology of painless property intramuscular injection rapidly.Operate according to the operation sequence of intramuscular injection later: the pumpback piston, observe by watch window (11) whether the blood backflow is arranged, slow then injection liquid, observe medicinal liquid consumption situation by watch window (11) again, injected medicinal liquid, vertically pulled out the painless device of intramuscular injection outward rapidly, pinned pin hole with Disinfectant absorbent cotton, take out and destroy disposable syringe, the omnidistance end.

According to the control principle and the operation sequence of the painless device of above-mentioned intramuscular injection, this utility model can make anyone carry out the intramuscular injection of painless property rapidly, and the aseptic technique that can reach intramuscular injection requires and the injection depth requirement, and is easy and simple to handle.

This utility model is applicable to intramuscular injection.

Here description of the present utility model and application are illustrative, be not to want in the above-described embodiments with scope restriction of the present utility model, here the disclosed embodiment and the distortion of data and change are possible, under the situation that does not break away from spirit of the present utility model and essence, this utility model can be realized with other forms, structure, layout, ratio and with other elements, material and parts, can carry out other distortion and change to disclosed embodiment here.

Claims

1, the painless device of a kind of intramuscular injection, it comprises: inner bag, the main box and the lid of shell, spring, half hush panel, draw ring, force column and switch, it is characterized in that: inner bag is positioned at the baffle plate of the main box of shell, half hush panel, between side guard and the main box, interior cholic main body is a semi-circle tubular, diameter is identical with the external diameter of syringe cylinder, height is identical with the height of syringe cylinder, the upper end of main body is furnished with and is horizontal U-shaped, semicircular draw-in groove, interior diameter at the bottom of the draw-in groove is identical with the width of the handle of syringe cylinder, draw-in groove is furnished with spring leaf in the two ends, the interior lower end of cabinet body is furnished with half baffle rings at downward 30 degree angles, interior diameter is 6 to 9 millimeters, also can, on the inner bag outside, the lower end is provided with perpendicular to interior cholic, overall diameter identical with the draw-in groove overall diameter on, the lower baffle plate annulated column, the height of overhead gage annulated column is 5 millimeters, the height of lower baffle plate annulated column is 6 to 10 millimeters, both are connected with fixing head by parallel front end, fixing head is parallel with the center of circle of main body, and the thickness of a sheet material of indentation backward, respectively there is one 30 degree angle at the two ends of lower baffle plate annulated column, the spring of open-ended is through via hole up and down, there is the spring fixation hook below of the both sides of overhead gage annulated column, center at interior cholic overhead gage annulated column and draw-in groove rear, vertical fixing has tetragonal draw ring joint pin, it highly is that draw-in groove arrives overhead gage annulated column distance bottom topmost, 1 to 3 millimeter of width, and outwards vertically pass shell, the distance back identical with outer casing thickness connects columniform draw ring, the draw ring diameter is greater than 2 to 5 millimeters of the height of draw ring joint pin, its thickness is 1 to 1.5 centimetre, is fixed in joint pin by the fixture perpendicular to joint pin; The main box of shell and lid are that hemicycle is tubular, interior diameter is identical with the overall diameter of draw-in groove, hinge is arranged between the two, switch arrangement is in the outer top of main box, its upper limb is perpendicular to main box, and protrudingly advance in the main box 1 to 3 millimeter, switch is gone up the distance because of the upper limb of main box most, bigger 1 to 3 millimeter than the upper limb of draw-in groove to the distance of overhead gage annulated column lower edge, the main box middle part of shell is furnished with the baffle plate annulated column at symmetric 120 degree angles, interior diameter is identical with the overall diameter of cabinet body, the distance of upper limb and bottom, littler 5 millimeters than syringe cylinder handle to the distance of syringe needle root, with the distance of switch upper limb be the distance of inner bag operation, hit exactly at main box rear, between overhead gage annulated column and main box the top, a rectangular window is arranged, its width is identical with the width of draw ring joint pin, it highly is the distance between overhead gage annulated column and main box the top, parallel with the centrage of main box, going up most of main box, be provided with half hush panel in the lower end perpendicular to main box, first hush panel also can, interior diameter is identical with the overall diameter of cabinet body, second hush panel is connected with upwards, with the identical fixing head of cabinet body fixing head width, its the top is 5 millimeters with the distance of baffle plate annulated column lower edge, there is the spring fixation hook second top, hush panel both sides, the proceeds posterolateral center is symmetrically fixed with force column outside shell master box, 3 to 5 centimetres of height, width and thickness are 1 to 1.5 centimetre, both side edges is parallel to each other, and it is parallel with the line of the centrage of shell master box rear center, and the anti-skidding stricture of vagina parallel with centrage arranged, and the part in main box bottom has 1 to 2 millimeter place, and its width enlarges gradually; The middle part at shell lid middle part is furnished with the support annulated column, the interior diameter that supports annulated column is identical with the overall diameter of syringe cylinder, upper limb is equal with the upper limb of the baffle plate annulated column of main box, highly is 20 to 35 millimeters, the shell lid be furnished with tetragonal boosting window and watch window up and down respectively, the boosting window is high 3 centimetres, width is 25 millimeters, is opened on the upper end, and watch window is positioned at the both sides of supporting annulated column, upper limb is equal with the upper limb that supports annulated column, 1 centimetre apart from the bottom of lower edge; The two ends of two springs are individually fixed in the spring fixation hook of upper and lower sides.