CN220898882U - Animal skin drug delivery device - Google Patents

Animal skin drug delivery device Download PDF

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Publication number
CN220898882U
CN220898882U CN202322006921.6U CN202322006921U CN220898882U CN 220898882 U CN220898882 U CN 220898882U CN 202322006921 U CN202322006921 U CN 202322006921U CN 220898882 U CN220898882 U CN 220898882U
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China
Prior art keywords
liquid
animal skin
liquid storage
cylinder
outlet head
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CN202322006921.6U
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Chinese (zh)
Inventor
张家晨
肖玉洁
张伟
陈旭
邹玮
孔朝阳
张家祎
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Hunan University of Chinese Medicine
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Hunan University of Chinese Medicine
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Priority to CN202322006921.6U priority Critical patent/CN220898882U/en
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Abstract

The utility model belongs to the technical field of animal skin drug delivery, and in particular relates to an animal skin drug delivery device which comprises a liquid supply part and a quantitative part, wherein the liquid supply part comprises a liquid storage cylinder and a liquid outlet head arranged at one end of the liquid storage cylinder, and the liquid outlet head is communicated with the liquid storage cylinder and the external environment; the quantitative part comprises a control cylinder connected with the liquid storage cylinder, a piston arranged in the liquid storage cylinder, a screw rod arranged in the control cylinder, a push block connected with the screw rod in a threaded manner, a push rod with two ends connected to the piston and the push block respectively, and a knob rotating at the end part of the control cylinder, wherein the knob is fixedly connected with the end part of the screw rod, the push block is movably connected with the control cylinder, the screw rod is driven to synchronously rotate by the rotating knob, so that the push block moves up and down along the screw rod, the piston can be moved up and down through the push rod, the liquid medicine is extruded from the liquid outlet head, the moving distance of the piston is controlled by the rotating number of turns of the control knob, the liquid medicine is further controlled, quantitative administration can be realized, the liquid medicine is conveniently smeared uniformly, and the error of manually smearing cotton swabs is effectively avoided.

Description

Animal skin drug delivery device
Technical Field
The utility model belongs to the technical field of animal skin drug delivery, and particularly relates to an animal skin drug delivery device.
Background
With the development of medicine, animal experiments become one of the mainstream experimental methods in the field of medical research, for example, in constructing a dermatological model such as a hormone-dependent dermatitis mouse model or transdermal administration to an animal model, frequent skin administration to experimental animals such as mice is required; therefore, how to conveniently, rapidly and efficiently apply the medicine on the skin of experimental animals such as mice is very important for improving the experimental efficiency and guaranteeing the experimental effect.
The skin administration mode of animals commonly used at present is that an experimenter dips a liquid medicine with a cotton swab and then applies the liquid medicine on the skin of the animals, but the method has the following problems:
The modeling effect and experimental data are closely related to the dosage, but the manual operation cannot accurately control the dosage; the cotton swab has small smearing area, can not smear the liquid medicine uniformly, needs repeated smearing and friction, and is easy to damage animal epithelium; the manual application has higher technical level requirements for experimenters; the open type medicine liquid storage and repeated taking can lead to medicine liquid pollution.
Disclosure of utility model
The technical problem to be solved by the utility model is to provide the animal skin drug delivery device which has a simple structure, can prevent the liquid medicine from being polluted, can quantitatively deliver the drug and is convenient to smear the liquid medicine uniformly.
The utility model provides an animal skin drug delivery device, comprising:
the liquid supply part comprises a liquid storage cylinder and a liquid outlet head arranged at one end of the liquid storage cylinder, and the liquid outlet head is communicated with the liquid storage cylinder and the external environment; and
The quantitative part comprises a control cylinder connected with the liquid storage cylinder, a piston arranged in the liquid storage cylinder, a screw rod arranged in the control cylinder, a push block in threaded connection with the screw rod, a push rod with two ends respectively connected to the piston and the push block, and a knob rotating at the end part of the control cylinder, wherein the knob is fixedly connected with the end part of the screw rod, and the push block is movably connected with the control cylinder.
Optionally, an indicator is arranged on the push block, a scale is arranged on the control cylinder, and the indicator moves along the control cylinder to be matched with the scale.
Optionally, the indicator includes connecting rod and pilot pin, the pilot pin passes through the connecting rod to be fixed on the lateral wall of ejector pad, the spout has been seted up to run-through on the control section of thick bamboo, the connecting rod slides along the spout, and the pilot pin cooperatees with the scale.
Optionally, the number of the push rods is two, and the two push rods are symmetrically arranged relative to the screw rod.
Optionally, one end of the control cylinder, which is close to the liquid storage cylinder, is in rotary fit with the screw rod.
Optionally, the liquid storage cylinder is in threaded connection or adhesive fixation with the control cylinder.
Optionally, go out the liquid head and include the fixed body that is fixed in the reservoir tip and the elastic sleeve of cover locating the fixed body outside, the liquid hole has been seted up to the fixed body, liquid hole and reservoir intercommunication.
Optionally, the inner ring of the elastic sleeve is of a spherical structure, and the side surface of the fixing body is of a spherical surface.
Optionally, the liquid outlet head further comprises: the elastic sleeve comprises an elastic sleeve body, a plurality of rotating grooves, a plurality of fixing bodies and a plurality of fixing bodies, wherein the rotating grooves are formed in the outer end of the elastic sleeve, rotating balls are movably arranged in each rotating groove, and each rotating groove is communicated with the fixing bodies through inner cavities.
Optionally, a protective cover is sleeved on the liquid outlet head.
The animal skin drug feeder has the beneficial effects that the control cylinder is fixedly connected with the liquid storage cylinder, the screw rod is driven to synchronously rotate by the rotating knob, so that the push block moves up and down along the screw rod, the piston can move up and down through the push rod, at the moment, the piston extrudes the liquid medicine, the liquid medicine is extruded from the liquid outlet head through the power transmission function of the liquid medicine, the liquid medicine can be smeared uniformly by contacting the liquid outlet head with the animal skin, the moving distance of the piston can be controlled through the rotating circle number of the control knob, the liquid medicine amount is further controlled, the drug feeder has a simple structure, the liquid medicine can be prevented from being polluted, quantitative drug feeding can be realized, the liquid medicine can be smeared uniformly conveniently, experimental errors caused by uneven smearing of the liquid medicine by using a cotton swab manually are effectively avoided, and therefore the modeling effect and the accuracy of experimental data are ensured.
Drawings
FIG. 1 is a schematic view of a structure of a drug dispenser according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the internal structure of a drug dispenser according to an embodiment of the present utility model;
FIG. 3 is a partial cross-sectional view of an applicator according to a first embodiment of the present utility model;
FIG. 4 is a partial cross-sectional view of a second embodiment of the present utility model;
fig. 5 is a schematic diagram showing the whole structure of the drug dispenser according to the embodiment of the present utility model.
In the figure: 10. a liquid supply part; 11. a liquid storage cylinder; 12. a liquid outlet head; 121. an elastic sleeve; 122. a fixed body; 123. a liquid outlet hole; 124. a rotating groove; 125. a rotating ball; 126. an inner cavity; 13. a protective cover; 20. a quantifying section; 21. a control cylinder; 211. a chute; 212. a scale; 22. a piston; 23. a screw rod; 24. a pushing block; 25. a push rod; 26. a knob; 27. a connecting rod; 28. an indicator needle.
Detailed Description
As shown in fig. 1 to 5, the present utility model provides an animal skin applicator comprising: the liquid supply part 10 and the quantitative part 20, wherein the liquid supply part 10 comprises a liquid storage barrel 11 and a liquid outlet head 12 arranged at one end of the liquid storage barrel 11, and the liquid outlet head 12 is communicated with the liquid storage barrel 11 and the external environment; the quantitative part 20 comprises a control cylinder 21 connected with the liquid storage cylinder 11, a piston 22 arranged in the liquid storage cylinder 11, a screw rod 23 arranged in the control cylinder 21, a push block 24 in threaded connection with the screw rod 23, a push rod 25 with two ends respectively connected with the piston 22 and the push block 24, and a knob 26 arranged at the end part of the control cylinder 21 in a rotating way, wherein the knob 26 is fixedly connected with the end part of the screw rod 23, and the push block 24 is movably connected with the control cylinder 21.
Compared with the prior art, the animal skin drug feeder provided by the utility model has the advantages that the control cylinder 21 is fixedly connected with the liquid storage cylinder 11, the screw rod 23 is driven to synchronously rotate by the rotating knob 26, the push block 24 moves up and down along the screw rod 23, the piston 22 can move up and down through the push rod 25, at the moment, the piston 22 extrudes liquid medicine, the liquid medicine is extruded from the liquid outlet head 12 through the power transmission function of the liquid medicine, the liquid medicine can be smeared uniformly through the contact of the liquid outlet head 12 with the animal skin, the moving distance of the piston 22 can be controlled through the rotating number of the control knob 26, the liquid medicine amount is further controlled, the drug feeder has a simple structure, the pollution of the liquid medicine can be prevented, quantitative drug feeding can be realized, the liquid medicine smearing uniformity is facilitated, experimental errors caused by uneven drug smearing quantity by using a cotton swab manually are effectively avoided, and therefore, the modeling effect and the accuracy of experimental data are ensured.
In this embodiment, the push block 24 is provided with an indicator, the control cylinder 21 is provided with a scale 212, and the indicator moves along the control cylinder 21 to match with the scale 212.
Specifically, the control cylinder 21 may be made of transparent material, such as transparent plastic, glass or acrylic, and the indicator may be an integral structure protruding from the side of the push block 24, or may be a marking groove formed on the side of the push block 24, so that the indicator moves to the corresponding mark of the scale 212, and the distance moved by the piston 22 and the liquid output can be clearly known.
In one embodiment, the indicator comprises a connecting rod 27 and an indicator needle 28, the indicator needle 28 is fixed on the side wall of the push block 24 through the connecting rod 27, a sliding groove 211 is formed in the control cylinder 21 in a penetrating mode, the connecting rod 27 slides along the sliding groove 211, and the indicator needle 28 is matched with the scale 212.
Specifically, the control cylinder 21 may be made of an opaque material, such as an opaque plastic or metal material, the sliding groove 211 is long and linear, the scale 212 may be a sticker adhered to one side of the sliding groove 211, or may be formed on the control cylinder 21 by laser etching or machining, the connecting rod 27 and the indicator needle 28 may be fixed by bonding or welding or screwing, or may be integrally formed, the connecting rod 27 and the push block 24 may be fixed by bonding or welding or screwing, the end of the indicator needle 28 is triangular or needle-shaped, and when the push block 24 moves, the indicator needle 28 moves synchronously along the sliding groove 211, so that the moving distance can be accurately displayed, thereby accurately displaying the liquid storage amount, and ensuring that the dosage of each experimental animal is relatively consistent.
In this embodiment, the number of push rods 25 is two, the two push rods 25 are symmetrically arranged relative to the screw rod 23, and in addition, two guide holes are formed at the end of the control cylinder 21 connected with the liquid storage cylinder 11 for passing through the two push rods 25, so that the thrust received by the piston 22 is balanced.
In this embodiment, the control cylinder 21 is in a rotary fit with the screw rod 23 at one end near the liquid storage cylinder 11.
Specifically, in some cases, the screw rod 23 may not be in contact with the control cylinder 21, and one end is in a suspended state, so that although the push block 24 can be ensured to move thereon, the screw rod 23 itself needs a high strength, and there is a problem that it is inconvenient to install, and therefore, the end of the screw rod 23 and the end of the control cylinder 21 are rotatably connected to play a supporting role.
In this embodiment, the liquid storage barrel 11 is screwed or glued to the control barrel 21. Preferably, in order to facilitate the disassembly and assembly of the liquid storage barrel 11 and the control barrel 21 and other parts, external threads or internal threads are arranged on the liquid storage barrel 11 and the control barrel 21, and the liquid storage barrel 11 and the control barrel 21 are fixed in a threaded manner. In some cases, of course, the dispenser is provided as a single-use product, and the cartridge 11 is adhesively secured to the control cartridge 21 for cost reasons.
In this embodiment, referring to fig. 3, the liquid outlet head 12 includes a fixing body 122 fixed at an end of the liquid storage barrel 11 and an elastic sleeve 121 sleeved outside the fixing body 122, the fixing body 122 is provided with a liquid outlet hole 123, and the liquid outlet hole 123 is communicated with the liquid storage barrel 11.
Specifically, the fixing body 122 and the liquid storage barrel 11 may be fixed by bonding, welding or screwing, or may be integrally formed, the elastic sleeve 121 may be made of rubber, silica gel or latex, etc., the elastic sleeve 121 is used for contacting the skin of an animal, the elastic sleeve 121 is sleeved on the periphery of the fixing body 122, the liquid medicine in the liquid storage barrel 11 is extruded through the liquid outlet 123, and then the elastic sleeve 121 is responsible for uniformly smearing the liquid medicine.
Wherein, the fixing body 122 can be made of rigid material, or elastic material such as rubber, silica gel or latex, when the fixing body 122 is made of elastic material, the fixing body 122 and the elastic sleeve 121 can be in interference fit, the fixing body 122 is extruded under natural state, so that the liquid outlet hole 123 is closed, the pollution in the liquid outlet hole 123 can be prevented under the condition of no other protective parts, accidental liquid leakage can be prevented, and when the piston 22 moves, the liquid medicine can squeeze out the liquid outlet hole 123, thereby ensuring normal liquid outlet.
In some embodiments, the inner ring of the elastic sleeve 121 has a spherical structure, the side surface of the fixing body 122 is a spherical surface, the elastic sleeve 121 and the fixing sleeve can be slidably connected, and the angle of the elastic sleeve 121 can be freely changed according to the force application direction, so that the effect of applying the liquid medicine is further improved.
In another embodiment, referring to fig. 4, the liquid outlet head 12 further includes a plurality of rotating grooves 124 formed at the outer end of the elastic sleeve 121, a rotating ball 125 is movably disposed in each rotating groove 124, and each rotating groove 124 is communicated with the fixed body 122 through an inner cavity 126.
Specifically, under the action of the piston 22, the liquid medicine in the liquid storage barrel 11 enters the inner cavity 126 through the liquid outlet hole 123 and is then uniformly discharged through the plurality of rotating grooves 124, so that the uniformity of liquid medicine smearing is further improved; in addition, by rotating the rotating ball 125 on the skin of the animal, not only can the liquid medicine be further spread out, but also the absorption of the liquid medicine can be promoted by massage.
In this embodiment, referring to fig. 5, a protective cover 13 is detachably mounted on the top of the liquid storage barrel 11, the protective cover 13 is sleeved on the liquid outlet head 12, the liquid outlet head 12 can be protected by the protective cover 13, and a specific detachable mounting mode can be selected according to actual needs, such as threaded connection or clamping connection.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of protection of the application is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the application, the steps may be implemented in any order and there are many other variations of the different aspects of one or more embodiments of the application as described above, which are not provided in detail for the sake of brevity.
One or more embodiments of the present application are intended to embrace all such alternatives, modifications and variations as fall within the broad scope of the present application. Accordingly, any omissions, modifications, equivalents, improvements and others which are within the spirit and principles of the one or more embodiments of the application are intended to be included within the scope of the application.

Claims (10)

1. An animal skin applicator comprising:
The liquid supply part (10), the liquid supply part (10) comprises a liquid storage cylinder (11) and a liquid outlet head (12) arranged at one end of the liquid storage cylinder (11), and the liquid outlet head (12) is communicated with the liquid storage cylinder (11) and the external environment; and
The quantitative part (20), quantitative part (20) include control section of thick bamboo (21) be connected with stock solution section of thick bamboo (11), locate piston (22) in stock solution section of thick bamboo (11), locate lead screw (23) in control section of thick bamboo (21), push away piece (24) with lead screw (23) spiro union, push rod (25) and knob (26) of locating control section of thick bamboo (21) tip are located in the rotation both ends on piston (22) and push away piece (24) respectively, the tip fixed connection of knob (26) and lead screw (23), push away piece (24) and control section of thick bamboo (21) swing joint.
2. An animal skin applicator according to claim 1, wherein the push block (24) is provided with an indicator, the control cylinder (21) is provided with a scale (212), and the indicator moves along the control cylinder (21) to cooperate with the scale (212).
3. The animal skin applicator according to claim 2, wherein the indicator comprises a connecting rod (27) and an indicator needle (28), the indicator needle (28) is fixed on the side wall of the push block (24) through the connecting rod (27), a sliding groove (211) is formed in the control cylinder (21) in a penetrating manner, the connecting rod (27) slides along the sliding groove (211), and the indicator needle (28) is matched with the scale (212).
4. The animal skin applicator according to claim 1, wherein the number of push rods (25) is two, the two push rods (25) being symmetrically arranged with respect to the screw rod (23).
5. An animal skin applicator according to claim 1, wherein the control barrel (21) is in a rotational fit with the screw (23) at an end adjacent the reservoir barrel (11).
6. The animal skin applicator according to claim 1, characterized in that the reservoir (11) is screwed or adhesively secured to the control cartridge (21).
7. The animal skin drug delivery device according to any one of claims 1 to 6, wherein the liquid outlet head (12) comprises a fixed body (122) fixed at the end part of the liquid storage barrel (11) and an elastic sleeve (121) sleeved outside the fixed body (122), the fixed body (122) is provided with a liquid outlet hole (123), and the liquid outlet hole (123) is communicated with the liquid storage barrel (11).
8. The animal skin applicator according to claim 7, wherein the inner ring of the elastic sleeve (121) has a spherical structure, the side surface of the fixing body (122) has a spherical surface, and the elastic sleeve (121) is slidably connected with the fixing sleeve.
9. The animal skin applicator according to claim 7, wherein the outlet head (12) further comprises: a plurality of rotating grooves (124) are formed in the outer end of the elastic sleeve (121), rotating balls (125) are movably arranged in each rotating groove (124), and each rotating groove (124) is communicated with the fixed body (122) through an inner cavity (126).
10. The animal skin applicator according to claim 1, wherein the outlet head (12) is provided with a protective cover (13).
CN202322006921.6U 2023-07-28 2023-07-28 Animal skin drug delivery device Active CN220898882U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322006921.6U CN220898882U (en) 2023-07-28 2023-07-28 Animal skin drug delivery device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322006921.6U CN220898882U (en) 2023-07-28 2023-07-28 Animal skin drug delivery device

Publications (1)

Publication Number Publication Date
CN220898882U true CN220898882U (en) 2024-05-07

Family

ID=90906189

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322006921.6U Active CN220898882U (en) 2023-07-28 2023-07-28 Animal skin drug delivery device

Country Status (1)

Country Link
CN (1) CN220898882U (en)

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