CN212700061U

CN212700061U - Automatic medicine extruding device

Info

Publication number: CN212700061U
Application number: CN202020435575.7U
Authority: CN
Inventors: 方星莉
Original assignee: Chinese Peoples Liberation Army Army Specialized Medical Center
Current assignee: Chinese Peoples Liberation Army Army Specialized Medical Center
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2021-03-16
Anticipated expiration: 2030-03-30

Abstract

The utility model discloses an automatic medicine extruding device, which comprises an extruding medicine cylinder, a piston rod, a driving mechanism and a medicine quantifying mechanism; one end of the extrusion cylinder is provided with a sharp mouth which is provided with a pinhole communicated with the inner cavity; one end of the piston rod is provided with a piston column which is arranged in the inner cavity of the medicine extruding cylinder in a sliding way, and the other end of the piston rod extends out of the medicine extruding cylinder; the driving mechanism is fixedly arranged at one end of the extrusion cylinder, which is far away from the sharp mouth, and can drive the piston rod to move towards one end of the sharp mouth; the medicine quantifying mechanism is fixedly arranged on the medicine extruding cylinder and determines the amount of the extruded ointment by limiting different positions of the piston column when the piston column slides in the inner cavity of the medicine extruding cylinder. The automatic medicine extruding device is convenient for extruding the ointment through the driving mechanism, and the gloves do not need to be taken off when the ointment is extruded, so that the ointment coating efficiency is improved; the ointment can be extruded quantitatively, so that the ointment can be extruded in a courage without worrying about the problem of small and large amount; can completely extrude the ointment in the tubular ointment without waste, thereby bringing great convenience for doctors and nurses.

Description

Automatic medicine extruding device

Technical Field

The utility model belongs to the field of medical equipment, concretely relates to automatic medicine extruding device.

Background

Wet dressing therapy refers to a method of applying gauze dipped with the medicinal decoction to the affected part to treat diseases. The package therapy is usually carried out by applying a gas-impermeable polyethylene film (plastic bag) to the cream or ointment over the treatment area overnight to increase the absorption of topical corticosteroid hormones and enhance the therapeutic effect of the drug. The patients with medical diseases are usually treated by wet dressing and packaging treatment in hospitals, and ointment medicines are usually used in the treatment of wet dressing and packaging treatment. In specific operation, the patient needs to wear the gloves, squeeze the ointment and uniformly apply the ointment to the affected part of the patient.

However, in actual operation, the tube-type ointment is not convenient, sometimes both hands need to be used for smearing the ointment, but the hands are full of the ointment and are slippery, so that the ointment cannot be squeezed; if the gloves are removed, the ointment is squeezed out and then applied by wearing the gloves, so that the gloves are wasted, and the ointment applying efficiency is low; the amount of the extruded ointment is generally according to personal experience and manipulation, but the accurate quantification is difficult, too much extrusion is wasted, and the second extrusion is needed when the extrusion is too little; the ointment in the tube-shaped ointment can not be completely extruded frequently, which causes waste.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide an automatic medicine extruding device to solve the problem that the ointment can not be extruded when both hands are used for coating the ointment; the gloves are removed, so that the gloves are wasted, and the ointment applying efficiency is low; the amount of the extruded ointment is difficult to accurately quantify; the ointment in the tube-shaped ointment can not be completely extruded, thereby causing the problems of waste and the like.

In order to solve the technical problem, the utility model discloses a technical scheme is:

an automatic medication dispensing apparatus comprising:

the extruding and feeding device comprises an extruding and feeding cylinder, a feeding cylinder and a feeding device, wherein the extruding and feeding cylinder is provided with a hollow inner cavity, one end of the extruding and feeding cylinder is provided with a sharp nozzle, the sharp nozzle is provided with a needle hole communicated with the inner cavity along the axis direction, and the needle hole is communicated with the outside;

the piston rod is provided with a piston column at one end, the piston column is slidably arranged in the inner cavity of the medicine extruding barrel, and the other end of the piston rod extends out of the medicine extruding barrel;

the driving mechanism is fixedly arranged at one end, far away from the sharp nozzle, of the extrusion cylinder and can drive the piston rod to move towards one end of the sharp nozzle; and

the medicine quantitative mechanism is fixedly arranged on the medicine extruding cylinder and determines the amount of the extruded ointment by limiting different positions of the piston column when the piston column slides in the inner cavity of the medicine extruding cylinder.

The bottom of the tubular ointment is designed into a soft and extrudable plastic packaging bag, the tubular ointment is placed into an extrusion medicine barrel, an outlet is aligned to a sharp nozzle, a piston column is abutted against the plastic packaging bag, a piston rod is driven to move towards one end of the sharp nozzle through a driving mechanism, so that the ointment is extruded from the sharp nozzle, a medicine quantifying mechanism can limit the sliding of the piston column in an inner cavity of the extrusion medicine barrel, the amount of the extruded ointment can be accurately quantified from the sharp nozzle through the medicine quantifying mechanism, and the piston column can extrude the plastic packaging bag of the tubular ointment to enable the plastic packaging bag of the tubular ointment to be completely compressed. This automatic crowded medicine device passes through actuating mechanism and conveniently extrudes the ointment, need not take off gloves during crowded ointment, has improved the efficiency of paining the ointment, can quantitatively extrude the ointment moreover, can be relieved crowded bold courage, and need not worry that the volume too little need extrude many times, also need not worry that the crowded too much of losing one's hand causes extravagant problem to can extrude the ointment in the cast ointment totally extravagant, bring very big convenience for doctor and nurse.

Further, the driving mechanism comprises a support, a first spring, a driving plate, a trigger, a second spring and a stop plate, and the support is fixedly arranged at one end, far away from the sharp mouth, of the extrusion cylinder; the middle part of the driving plate is sleeved on the piston rod outside the medicine extruding barrel in a sliding mode, one end of the driving plate can be abutted against the support, and the other end of the driving plate is hinged with one end of the trigger; the middle part of the trigger is hinged with the bracket; the first spring is sleeved on the piston rod outside the medicine extruding barrel, and two ends of the first spring are respectively abutted against the end face of the medicine extruding barrel and one surface of the driving plate; the second spring is sleeved on the piston rod outside the medicine extruding barrel, and two ends of the second spring are respectively abutted against one surface of the support and one surface of the stop plate; the piston rod is sleeved with the stop plate, and one end of the piston rod is hinged to the support. The trigger drives the piston rod to move towards one end of the sharp mouth so as to extrude the ointment, and the ointment extruding machine is very convenient and practical.

Further, the medicament quantifying mechanism comprises a supporting plate, a positioning screw, a third spring and a limiting rod; the supporting plate is fixedly arranged on the medicine extruding cylinder and extends along the length direction of the medicine extruding cylinder, a plurality of through holes communicated with the inner cavity along the radial direction of the medicine extruding cylinder are formed in the supporting plate, and the through holes are uniformly arranged at intervals along the extending direction of the supporting plate; the positioning screw is in threaded connection with the supporting plate through the through hole; the third spring is arranged in the through hole, and two ends of the third spring are respectively connected with the positioning screw and the limiting rod; one end of the limiting rod, which is far away from the third spring, extends into the inner cavity of the medicine squeezing barrel; the piston post orientation the one end of sharp mouth is equipped with the chamfer, just the circumference middle part of piston post is equipped with the round recess, the gag lever post can the joint be in the recess. The limiting rod is placed into different through holes, the positioning screw is screwed down, the chamfer at the front end of the piston column jacks up the limiting rod when the piston column moves, and the limiting rod is bounced into the groove to clamp the piston column so that the piston column cannot move any more, so that the purpose of quantitatively squeezing ointment is achieved.

Furthermore, the side of the supporting plate is provided with scales and numbers. Scales and numbers are provided to facilitate the metering of the amount of ointment that is expressed.

Further, a handle is arranged at one end, far away from the sharp mouth, of the piston rod. The handle is arranged to facilitate pulling the piston rod backwards.

Furthermore, the sharp nozzle comprises a movable nozzle and a fixed head, the fixed head is fixedly connected with the medicine squeezing barrel, and the movable nozzle is sleeved on the fixed head in a threaded manner. The length of the sharp mouth is increased through the threaded connection of the movable mouth and the fixed head, and the sharp mouth is suitable for different diseased areas.

Furthermore, the sharp mouth further comprises a nut, the nut is sleeved on the fixed head in a threaded mode, and one end face of the nut is abutted to the end face of the movable mouth. The nut is used for fastening the movable nozzle to prevent the movable nozzle from loosening.

Furthermore, a plurality of hollow holes are formed in the barrel body of the medicine squeezing barrel. The hollowed-out hole is used for reducing the weight of the medicine squeezing barrel and is convenient for observing the position of the piston column.

Furthermore, crowded cartridge case includes main barrel and side barrel, one side of side barrel with main barrel is articulated, the opposite side with main barrel detachable connects. The side tube body can be unscrewed along the hinge joint so as to load new tube-type ointment into the inner cavity of the extrusion tube.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the trigger is driven to drive the piston rod to move towards one end of the sharp mouth, so that ointment is extruded from the sharp mouth, the ointment is very convenient to extrude, gloves are not required to be taken off during extruding the ointment, the gloves are saved, and the ointment applying efficiency is greatly improved.

2. Through screwing the set screw into different through-holes, the gag lever post can restrict the slip of piston post in the inner chamber of crowded cartridge case to can extrude the ointment from the point mouth accurately and quantitatively, and do not need worry the volume less need crowd many times, and the volume too much causes extravagant problem.

3. The piston column can press the plastic packaging bag of the tube-shaped ointment to completely compress the plastic packaging bag, so that the ointment in the tube-shaped ointment is completely extruded without waste.

4. The device is simple, flexible and reliable, and can bring great convenience to doctors and nurses.

Drawings

FIG. 1 is a front view of the structure of the present invention;

fig. 2 is a schematic structural view of a drug dosing mechanism of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 1;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 1;

fig. 5 is an enlarged view of Q in fig. 4.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced components or structures must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be considered as limiting the present invention.

Referring to fig. 1, the automatic medicine dispensing device provided in this embodiment includes: a cartridge 1, a piston rod 2, a drive mechanism 3 and a medicament dosing mechanism 4. For convenience of description, the end of the medicine extruding cylinder 1 provided with the sharp mouth 5 is defined as front, and the other end is defined as rear.

Referring to fig. 3-5, the medicine extruding cylinder 1 has a hollow inner cavity, one end of the cylinder is provided with a tip 5, the tip 5 is provided with a needle hole 1a along an axial direction, the needle hole 1a is communicated with the inner cavity, and the needle hole 1a is communicated with the outside. Specifically, two ends of the drug extruding cylinder 1 are provided with two end plates, and a cylinder body between the two end plates can be provided with a plurality of hollow holes. The hollowed-out holes are used to reduce the weight of the squeeze cartridge 1. The medicine squeezing barrel 1 can be further provided with a main barrel body 11 and a side barrel body 12, wherein one side of the side barrel body 12 is hinged with the main barrel body 11, and the other side is detachably connected with the main barrel body 11. The side cylinder 12 abuts against the main cylinder 11 when closed and forms a closed cylinder. In this embodiment, two ends of one side of the side cylinder 12 are hinged to end plates at two ends of the main cylinder 11, two ends of the other side of the side cylinder 12 are provided with elastic hanging buckles 13, the end plates at two ends of the main cylinder 11 are provided with hanging lugs 14, and the hanging buckles 13 can be hung on the hanging lugs 14, so that the side cylinder 12 keeps a closed state to encapsulate the tubular ointment to prevent the tubular ointment from falling. The side tube 12 can be unscrewed along the hinge to fill the inner cavity of the cartridge 1 with a new tube type of ointment.

The sharp nozzle 5 comprises a movable nozzle 51 and a fixed head 52, the fixed head 52 is fixedly connected with the extrusion cylinder 1, and the movable nozzle 51 is sleeved on the fixed head 52 in a threaded manner. The length of the sharp mouth 5 is increased through the threaded connection of the movable mouth 51 and the fixed head 52, so that the device can be suitable for different affected areas. Of course, the tip 5 may further be provided with a nut 53, and the nut 53 is screwed onto the fixed head 52, and one end surface of the nut is abutted against the end surface of the movable nozzle 51. The nut 53 is used to tighten the movable nozzle 51 against loosening.

One end of the piston rod 2 is provided with a piston column 21, the piston column 21 is slidably arranged in the inner cavity of the medicine extruding cylinder 1, and the other end of the piston rod 2 extends out of the medicine extruding cylinder 1. The position of the piston post 21 is conveniently observed through the hollowed-out hole of the extrusion cylinder 1. Specifically, the piston rod 21 is used to squeeze the bottom of the tube-type ointment, and the ointment is squeezed from the outlet into the tip 5, and the continuous squeezing causes the plaster to come out from the tip 5 to be applied to the affected part. The end of the piston rod 2 remote from the nib 5 is provided with a handle 22. The handle 22 is provided to facilitate pulling the piston rod 2 backwards. When the piston rod 21 is moved into abutment with the front end of the cartridge 1, the plaster in the tube-type ointment is completely squeezed out.

The driving mechanism 3 is fixedly arranged at one end of the extrusion cylinder 1 far away from the sharp mouth 5, and the driving mechanism 3 can drive the piston rod 2 to move towards one end of the sharp mouth 5. Specifically, the driving mechanism 3 comprises a bracket 31, a first spring 32, a driving plate 33, a trigger 34, a second spring 35 and a stop plate 36, wherein the bracket 31 is fixedly arranged at one end of the medicine squeezing barrel 1 far away from the sharp mouth 5; the driving plate 33 is slidably sleeved on the piston rod 2 outside the medicine squeezing barrel 1, one end of the driving plate can be abutted against the bracket 31, and the other end of the driving plate is hinged with one end of the trigger 34; the middle part of the trigger 34 is hinged with the bracket 31; the first spring 32 is sleeved on the piston rod 2 outside the medicine extruding cylinder 1, and two ends of the first spring are respectively abutted against the end surface of the medicine extruding cylinder 1 and one surface of the driving plate 33; the second spring 35 is sleeved on the piston rod 2 outside the medicine squeezing barrel 1, and two ends of the second spring are respectively abutted against one surface of the bracket 31 and the stop plate 36; the stop plate 36 is sleeved on the piston rod 2, and one end of the stop plate is hinged with the bracket 31. The trigger 34 drives the piston rod 2 to move towards one end of the sharp mouth 5 so as to extrude the ointment, and the ointment extruding machine is very convenient and practical. The first spring 32 and the second spring 35 are initially in a compressed state, the holder 31 is provided with a handle 311 for easy holding, and the handle 311 can be held by the same hand and the stopper plate 36 can be moved to pull the piston rod 2 backwards.

Referring to fig. 2, the medicine quantitative mechanism 4 is fixed on the medicine extruding cylinder 1, and the medicine quantitative mechanism 4 determines the amount of the extruded ointment by limiting different positions of the piston column 21 when sliding in the inner cavity of the medicine extruding cylinder 1. Specifically, the medicine dosing mechanism 4 includes a support plate 41, a set screw 42, a third spring 43, and a stopper rod 44; the supporting plate 41 is fixedly arranged on the extrusion cylinder 1 and extends along the length direction of the extrusion cylinder 1, a plurality of through holes 41a which are communicated with the inner cavity along the radial direction of the extrusion cylinder 1 are arranged on the supporting plate 41, and the through holes 41a are uniformly arranged at intervals along the extending direction of the supporting plate 41; the set screw 42 is screwed with the support plate 41 through the through hole 41 a; the third spring 43 is arranged in the through hole 41a, and two ends of the third spring are respectively connected with the positioning screw 42 and the limiting rod 44; one end of the limiting rod 44 far away from the third spring 43 extends into the inner cavity of the medicine squeezing barrel 1; the piston post 21 is equipped with chamfer 211 towards the one end of sharp mouth 5, and the circumference middle part of piston post 21 is equipped with round recess 21a, and gag lever post 44 can the joint in recess 21 a. The limiting rod 44 is placed into different through holes 41a, the positioning screw 42 is screwed down, the chamfer 211 at the front end of the piston column 21 jacks up the limiting rod 44 when the piston column 21 moves, and after the limiting rod 44 crosses the chamfer 211, the limiting rod is bounced into the groove 21a to clamp the piston column 21 so that the piston column 21 cannot move any more, so that the aim of quantitatively squeezing ointment is fulfilled. In this embodiment, the through hole 41a is provided with a limiting step, the depth of the positioning screw 42 screwed into the through hole 41a can be limited by the limiting step, two ends of the third spring 43 are respectively fixedly connected with the positioning screw 42 and the limiting rod 44, the third spring 43 is in a free state after the positioning screw 42 is screwed, the end of the limiting rod 44 is not abutted against the bottom of the groove 21a after the limiting rod 44 is clamped into the groove 21a of the piston column 21, and the third spring 43 is still in a free state in the through hole 41a at this time, so the positioning screw 42 can be screwed easily. Of course, scales and numbers may be provided on the side of the support plate 41. Scales and numbers are provided to facilitate the metering of the amount of ointment that is expressed.

Referring to fig. 1-5, the automatic medicine-extruding device is used as follows:

firstly, opening the side barrel 12, putting the tube-type ointment into the extrusion medicine barrel 1, aligning the outlet with the sharp mouth 5, pinching the trigger 34 to make the piston drive the piston column 21 to move forward to abut against the plastic packaging bag at the bottom of the tube-type ointment, then closing the upper barrel 12, hanging the hanging buckle 13 on the side barrel 12 on the hanging lug 14 of the main barrel 11, then screwing the positioning screw 42 into the through hole 41a according to the amount of the ointment to be applied and screwing down, so that the limiting rod 44 extends into the inner cavity of the extrusion medicine barrel 1. Then the length of the sharp mouth 5 is adjusted properly, the sharp mouth 5 is aligned to the affected part, the trigger 34 can be squeezed to extrude the ointment, and when the piston column 21 moves to the position of the limiting rod 44 and is clamped, the set amount of the ointment is extruded. If the ointment needs to be continuously squeezed, the positioning screw 42 and the limiting rod 44 need to be taken out for positioning again.

The specific working principle of the driving mechanism 3 is as follows: the palm of one hand holds the handle 311 of the bracket 31, the index finger pulls the trigger 34, the trigger 34 drives one end of the driving plate 33 to move forward, the driving plate 33 tilts relative to the piston rod 2, the driving plate 33 and the piston rod 2 are stuck to generate friction force, the piston rod 2 is pushed by the friction force to move forward, the driving plate 33 compresses the first spring 32, and after the trigger 34 is released, the first spring 32 pushes the driving plate 33 back to the original position and simultaneously drives the trigger 34 to return to the original position; meanwhile, one end of the stop plate 36 is hinged with the bracket 31, and the second spring 35 is in a compressed state, so that the stop plate 36 is always inclined relative to the piston rod 2, and the stop plate 36 is inclined backwards relative to the hinged point thereof, and the stop plate 36 is blocked with the piston rod 2 to generate friction force to prevent the piston rod 2 from moving backwards; when the piston rod 2 moves forward, the stop plate 36 is no longer jammed, so that the piston rod 2 moves forward smoothly. When the piston rod 2 needs to be moved backward, the stop plate 36 is pressed with a thumb, and the piston rod 2 is pulled backward.

By adopting the automatic medicine extruding device, the trigger 34 is driven to drive the piston rod 2 to move towards one end of the sharp mouth 5, so that the ointment is extruded from the sharp mouth 5, the ointment is very convenient to extrude, gloves are not required to be taken off when the ointment is extruded, the gloves are saved, and the ointment coating efficiency is greatly improved; by screwing the positioning screw 42 into different through holes 41a, the limiting rod 44 can limit the piston column 21 to slide in the inner cavity of the medicine squeezing barrel 1, so that the ointment can be squeezed out from the sharp mouth 5 accurately and quantitatively, and the problems that the amount is small, the ointment needs to be squeezed for many times, and the amount is too large and the waste is caused are avoided; the piston column 21 can extrude the plastic packaging bag of the tube type ointment to ensure that the tube type ointment is completely compressed, so that the ointment in the tube type ointment is completely extruded without waste; the device is simple, flexible and reliable, and can bring great convenience to doctors and nurses.

It should be noted that the above preferred embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. An automatic drug expelling device, comprising:

2. The automatic medicine extruding device of claim 1, wherein the driving mechanism comprises a bracket, a first spring, a driving plate, a trigger, a second spring and a stop plate, and the bracket is fixedly arranged at one end of the medicine extruding cylinder far away from the sharp mouth; the middle part of the driving plate is sleeved on the piston rod outside the medicine extruding barrel in a sliding mode, one end of the driving plate can be abutted against the support, and the other end of the driving plate is hinged with one end of the trigger; the middle part of the trigger is hinged with the bracket; the first spring is sleeved on the piston rod outside the medicine extruding barrel, and two ends of the first spring are respectively abutted against the end face of the medicine extruding barrel and one surface of the driving plate; the second spring is sleeved on the piston rod outside the medicine extruding barrel, and two ends of the second spring are respectively abutted against one surface of the support and one surface of the stop plate; the piston rod is sleeved with the stop plate, and one end of the piston rod is hinged to the support.

3. The automatic dispensing device of claim 1, wherein the dose dosing mechanism comprises a support plate, a set screw, a third spring, and a stop lever; the supporting plate is fixedly arranged on the medicine extruding cylinder and extends along the length direction of the medicine extruding cylinder, a plurality of through holes communicated with the inner cavity along the radial direction of the medicine extruding cylinder are formed in the supporting plate, and the through holes are uniformly arranged at intervals along the extending direction of the supporting plate; the positioning screw is in threaded connection with the supporting plate through the through hole; the third spring is arranged in the through hole, and two ends of the third spring are respectively connected with the positioning screw and the limiting rod; one end of the limiting rod, which is far away from the third spring, extends into the inner cavity of the medicine squeezing barrel; the piston post orientation the one end of sharp mouth is equipped with the chamfer, just the circumference middle part of piston post is equipped with the round recess, the gag lever post can the joint be in the recess.

4. The automatic dispensing device of claim 3, wherein the side of the support plate is provided with graduations and numbers.

5. The automatic dispensing device of claim 1, wherein a handle is provided at an end of the piston rod remote from the tip.

6. The automatic medicine extruding device of claim 1, wherein the sharp nozzle comprises a movable nozzle and a fixed head, the fixed head is fixedly connected with the medicine extruding cylinder, and the movable nozzle is sleeved on the fixed head in a threaded manner.

7. The automatic medicine extruding device of claim 6, wherein the sharp nozzle further comprises a nut, the nut is sleeved on the fixed head in a threaded manner, and one end face of the nut abuts against the end face of the movable nozzle.

8. The automatic medicine extruding device of claim 1, wherein the barrel body of the medicine extruding barrel is provided with a plurality of hollowed-out holes.

9. The automatic drug extruding device of any one of claims 1 to 8, wherein the drug extruding cylinder comprises a main cylinder body and a side cylinder body, one side of the side cylinder body is hinged with the main cylinder body, and the other side of the side cylinder body is detachably connected with the main cylinder body.