CN220237169U

CN220237169U - Application with anesthetic effect

Info

Publication number: CN220237169U
Application number: CN202223242562.6U
Authority: CN
Inventors: 黄可聪; 赖文佳; 郭思栋; 梁其毅
Original assignee: Foshan United Medical Technologies Ltd
Current assignee: Foshan United Medical Technologies Ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-12-26
Anticipated expiration: 2032-12-01

Abstract

The utility model relates to the technical field of medical supplies and discloses an application with an anesthetic effect, which comprises an adhesive layer used for adhering the application to the skin of a patient, and an anesthetic component arranged on the adhesive surface of the adhesive layer, wherein the anesthetic component contains anesthetic drugs and is used for acting the anesthetic drugs on the skin or subcutaneous tissues of the patient so as to locally anesthetize the patient. The beneficial effects are that: the pain of the patient can be greatly relieved, the mind of the patient for resisting skin puncture is weakened, the patient can more easily receive skin puncture treatment repeatedly for a long time, and the treatment effect is ensured.

Description

Application with anesthetic effect

Technical Field

The utility model relates to the technical field of medical supplies, in particular to an application with an anesthetic effect.

Background

Clinically, many treatments require skin penetration, for example: before injection and transfusion, when treating acute and chronic wound surface wound and suturing open wound. For some patients who need long-term treatment, repeated skin puncturing can cause no small pain to the patients, and particularly for the low-age patient population, the pain caused by skin puncturing can lead the patients to fear to receive treatment, so that the patients are wounded in mind and body, and the treatment can be delayed.

Disclosure of Invention

The utility model mainly aims to provide an application with anesthetic effect, and aims to solve the technical problem that the pain of skin puncture causes patients to generate serious psychological resistance to treatment in the prior art.

In order to achieve the above object, the present utility model provides an application with anesthetic effect, which comprises an adhesive layer for adhering the application to the skin of a patient, and an anesthetic component disposed on the adhesive surface of the adhesive layer, wherein the anesthetic component contains anesthetic, and the anesthetic component is used for applying the anesthetic to the skin or subcutaneous tissue of the patient to locally anesthetize the patient.

The beneficial effects of the utility model are as follows: before skin puncture, the application is stuck on the skin surface to be punctured, so that the anesthetic in the anesthetic assembly acts on the skin or subcutaneous tissue of the patient to perform local anesthesia on the patient. After a period of time, after the anesthetic acts, the application is taken away from the skin of the patient, and skin puncture is performed, so that the pain of the patient can be greatly relieved, the mind rejection of the patient on skin puncture is weakened, the patient can more easily receive skin puncture treatment repeatedly for a long time, and the treatment effect is ensured.

Preferably, the anesthetic assembly includes an anesthetic pack containing an anesthetic drug and a needle for puncturing the anesthetic pack so that the anesthetic drug flows out and acts on the patient's skin.

Preferably, the anesthetic assembly comprises a needle body, wherein the needle body is used for puncturing the skin of a patient, a medicine storage cavity for storing anesthetic medicines is formed in the needle body, and an opening communicated with the medicine storage cavity is formed in the needle body, so that the anesthetic medicines flow out of the opening and act on subcutaneous tissues of the patient after the needle body punctures the skin of the patient.

Preferably, the anesthetic assembly comprises an anesthetic pack containing an anesthetic drug, the anesthetic pack being at least partially made of a breakable material such that the anesthetic drug flows out and acts on the skin of the patient after the anesthetic pack is broken.

Preferably, the anesthetic comprises an ester and/or amide local anesthetic.

Preferably, the anesthetic is doped with a skin penetration enhancer, which is beneficial to accelerating the anesthesia and ensuring the treatment effect.

Preferably, the side of the anesthetic bag, which is far away from the adhesive layer, is provided with the dressing core, so that after the anesthetic flows out of the anesthetic bag, the anesthetic is absorbed by the dressing core and then permeates from the dressing core to the skin of a patient, thereby being beneficial to continuously applying the anesthetic to the part of the patient needing local anesthesia and improving the anesthetic effect.

Preferably, the side of the needle body far away from the adhesive layer is provided with the dressing core, so that after the anesthetic flows out of the medicine storage cavity, the anesthetic is absorbed by the dressing core and then permeates from the dressing core to the skin of a patient, thereby being beneficial to continuously applying medicines to the part of the patient needing local anesthesia and improving the anesthesia effect.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a structure of an application comprising release paper, an anesthetic pack, a needle body and an adhesive layer according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of an application composed of release paper, a needle body and an adhesive layer in an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of the needle body in example 3 of the present utility model;

fig. 4 is a schematic structural view of an application consisting of release paper, an anesthetic pack and an adhesive layer according to an embodiment of the present utility model;

FIG. 5 is a schematic view of an embodiment of the present utility model showing an application comprising release paper, a core, an anesthetic pack, a needle, and an adhesive layer;

FIG. 6 is an enlarged view of a portion A of FIG. 5;

FIG. 7 is a schematic view of a construction of an application of an embodiment of the present utility model comprising release paper, a core, an anesthetic pack and an adhesive layer;

fig. 8 is a schematic structural view of an application comprising release paper, a dressing core, a needle body and an adhesive layer according to an embodiment of the present utility model.

In the accompanying drawings: 1-release paper, 2-adhesive layer, 21-adhesive surface, 3-anesthesia component, 31-needle body, 311-medicine storage cavity, 312-opening, 32-anesthesia medicine bag, 33-core and 4-anesthesia medicine.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In addition, if a directional instruction such as up, down, left, right, front, rear, etc. is referred to in the embodiment of the present utility model, the directional instruction is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1 to 8, an application with anesthetic effect comprises an adhesive layer 2 for adhering the application to the skin of a patient, and an anesthetic assembly 3 provided on an adhesive surface 21 of the adhesive layer 2, the anesthetic assembly 3 containing an anesthetic 4, the anesthetic assembly 3 being for applying the anesthetic 4 to the skin or subcutaneous tissue of the patient to locally anesthetize the patient.

Before skin puncture, the application is stuck on the skin surface to be punctured, so that the anesthetic 4 in the anesthetic assembly 3 acts on the skin or subcutaneous tissue of the patient to perform local anesthesia on the patient. After a period of time, after the anesthetic 4 acts, the application is taken away from the skin of the patient, and skin puncture is performed, so that the pain of the patient can be greatly relieved, the mind of the patient for resisting skin puncture is weakened, the patient can more easily receive skin puncture treatment repeatedly for a long time, and the treatment effect is ensured.

For some open wounds, local anesthesia may also be performed by the application described above to reduce the pain sensation in the patient.

In particular, the anesthetic 4 comprises an ester and/or amide local anesthetic.

Further, the anesthetic 4 comprises lidocaine, procaine, benzocaine, obucaine, tetracaine, bupivacaine, prilocaine, ropivacaine, chloroprocaine, mepivacaine, dibucaine, pramoxine, and one or more of hydrochloride and optical isomers thereof.

Still further, the component of the anesthetic 4 is preferably lidocaine, procaine, prilocaine, tetracaine, and one or more of the hydrochloride and optical isomers thereof.

Specifically, the application further comprises a release paper 1, and the anesthesia assembly 3 is located between the adhesive layer 2 and the release paper 1.

The release paper 1 is also called anti-sticking paper, and is arranged on one side of the adhesive surface 21 of the adhesive layer 2 and covers the adhesive surface 21, so that dust or other unnecessary dirt is prevented from being smeared on the adhesive surface 21 of the adhesive layer 2 before the adhesive layer 2 is used, and the viscosity of the adhesive layer 2 is reduced. When in use, the release paper 1 is torn, and the adhesive layer 2 can be adhered on the skin of a patient.

Specifically, the adhesive layer 2 is made of PU film, namely polyurethane film, is a nontoxic and harmless environment-friendly material, and has no harm to human skin. One side of the PU film is coated with medical adhesive such as acrylic adhesive and hot melt adhesive to be used as an adhesive surface 21 of the adhesive layer 2.

Specifically, the anesthetic 4 is doped with a skin penetration enhancer to promote the anesthetic 4 to penetrate into the body of a patient, so that the anesthesia speed is increased, and the treatment effect is ensured.

Further, the skin penetration enhancer comprises one or more of laurocapram, dimethyl isosorbide, N-N-alkyl benzoisothidone, inositol, tetrahydropiper nigrum and dimethyl sulfoxide.

Further, the mass ratio of the anesthetic 4 to the skin penetration enhancer is 1:0.1-10.

For the specific arrangement of the anesthesia assembly 3 in the above-described application, there are the following embodiments:

example 1:

referring to fig. 1, the anesthesia assembly 3 includes an anesthesia package 32 and a needle body 31, the anesthesia package 32 containing an anesthetic 4, the needle body 31 for puncturing the anesthesia package 32 such that the anesthetic 4 flows out and acts on the skin of the patient.

Specifically, the needle body 31 is provided between the anesthetic pack 32 and the adhesive surface 21 of the adhesive layer 2.

When in use, the release paper 1 is torn, the adhesive layer 2 is adhered on the skin of a patient, and then the application is pressed lightly, so that the needle body 31 punctures the anesthetic bag 32, and the anesthetic 4 in the anesthetic bag 32 flows out and acts on the skin of the patient.

Example 2:

referring to fig. 2 and 3, the anesthetic assembly 3 includes a needle body 31, the needle body 31 is used for puncturing the skin of a patient, a medicine storage cavity 311 for storing the anesthetic 4 is provided in the needle body 31, and an opening 312 communicating with the medicine storage cavity 311 is provided in the needle body 31, so that the anesthetic 4 flows out from the opening 312 and acts on subcutaneous tissue of the patient after the needle body 31 punctures the skin of the patient.

Specifically, the needle body 31 is made of a polymer material insoluble in the human body, and the opening 312 in the needle body 31 is provided at the end of the needle body 31.

In use, the release paper 1 is torn off, the adhesive layer 2 is adhered to the skin of a patient, and then the application is lightly pressed, so that the needle body 31 punctures the skin of the patient, and the anesthetic 4 flows into subcutaneous tissues of the patient from the medicine storage cavity 311 through the opening 312, so that the patient is subjected to local anesthesia.

The anesthetic form directly acts the anesthetic 4 on subcutaneous tissues of a patient, thereby being beneficial to improving anesthetic effect, shortening the time for anesthesia and improving treatment efficiency and treatment effect.

Further, the "human-insoluble polymer material" includes one or more of an exemplified crosslinked product of acrylic acid and acrylonitrile copolymerized and amidoximated, polypropylene, polyethylene, polyvinyl chloride, polyurethane, metal minerals, and the modified derivatives.

Further, the component in the "human-insoluble polymer material" is preferably polypropylene, polyethylene, polyurethane, metal minerals, and one or more of the above modified derivatives.

Example 3:

the anesthetic assembly 3 comprises a soluble needle body for puncturing the skin of a patient, the soluble needle body being composed of a soluble substance absorbable by a human body and an anesthetic drug 4, such that after the soluble needle body punctures the skin of the patient, the soluble substance is absorbed by the human body, and the anesthetic drug 4 acts on subcutaneous tissue of the patient.

In use, the release paper 1 is torn off, the adhesive layer 2 is adhered to the skin of a patient, and then the application is lightly pressed, so that the needle body 31 punctures the skin of the patient and enters subcutaneous tissue. After a period of time, the soluble substances of the needle body 31 and the anesthetic 4 are absorbed by the human body to achieve the effect of local anesthesia.

The anesthesia mode can improve the utilization rate of the anesthetic 4, so that most or even all of the anesthetic 4 can directly act on subcutaneous tissues of a patient, the anesthesia efficiency is further improved, the anesthesia effect is enhanced, the treatment efficiency is improved, and the treatment effect is ensured.

Specifically, the soluble substance which can be absorbed by human body is soluble high molecular material, and its component includes one or more of polyvinylpyrrolidone, polyvinyl alcohol, hyaluronic acid, collagen, carboxymethyl cellulose, chitosan, starch, hydroxyethyl cellulose, hydroxypropyl cellulose, dextrin and modified derivatives of the above substances.

Further, the component in the "soluble substance absorbable by the human body" is preferably one or more of polyvinylpyrrolidone, polyvinyl alcohol, hyaluronic acid, collagen, hydroxypropyl cellulose, chitosan, and modified derivatives of the above.

Further, the mass ratio of the anesthetic 4 to the soluble polymer material in the needle body 31 is 1:0.1-10. Preferably, the mass ratio of the anesthetic 4 to the soluble polymer material is 1:2.

In this embodiment, the manufacturing process of the needle body 31 is as follows:

adding the soluble polymer material and auxiliary materials with suspending, stabilizing, regulating, thickening and other functions into water or alcohol organic solvent, stirring until fully dissolving. Similarly, the anesthetic 4 and the skin penetration enhancer are added into water or alcohol organic solvent respectively and stirred until the materials are fully dissolved. And mixing the two materials in a container, and uniformly stirring to obtain a mixed solution. The mixed solution is then placed into a molding device such as a mold, and the like, and subjected to one or more solidification processes such as low-temperature solidification, freeze-drying, pressurization, centrifugation, depressurization, and the like, to form the needle body 31 formed by mixing the soluble polymer material with the anesthetic 4.

In examples 1 to 3, the anesthesia assembly 3 comprises a plurality of needles 31, the density of the needles 31 is 100 to 10000 needles/cm ² The maximum diameter of the bottom of the needle body 31 is 20-500 mu m, the maximum diameter of the head of the needle body 31 is 1-50 mu m, and the length of the needle body 31 is 50-1000 mu m.

Preferably, the density of the needle bodies 31 is 1000-6000 roots/cm ² The maximum diameter of the bottom of the needle body 31 is 100-400 mu m, the maximum diameter of the head of the needle body 31 is 15-35 mu m, and the length of the needle body 31 is 200-800 mu m.

The needle 31 may be in the shape of a cone, a multi-edged cone, a cylinder, a multi-edged cylinder, etc., provided that it pierces the skin of the patient or the anesthetic pack 32.

As can be seen from the above, the needle body 31 has a very small volume, which corresponds to the micro-needles used in the medical and cosmetic industries, so that the depth of penetration into the skin is small in examples 1 and 2, and only the anesthetic 4 is required to be introduced into the subcutaneous tissue, and the pain caused by the penetration into the skin is small and almost negligible.

Example 4:

referring to fig. 4, the anesthetic assembly 3 includes an anesthetic pack 32, wherein the anesthetic pack 32 contains an anesthetic 4, and wherein the anesthetic pack 32 is at least partially made of a breakable material such that the anesthetic 4 flows out and acts on the skin of the patient after the anesthetic pack 32 is broken.

Specifically, the easily-broken material is PE film or PU film.

When in use, the release paper 1 is torn, the adhesive layer 2 is adhered to the skin of a patient, the application is pressed lightly, and after the anesthetic bag 32 is crushed, the anesthetic 4 flows out of the anesthetic bag 32 and acts on the skin of the patient.

Alternatively, frangible structures, such as wavy squeeze ports, may be provided on the anesthetic pack 32.

In examples 1 and 4, the anesthetic pack 32 was made of PE material, and the anesthetic 4 and the skin permeation enhancer were mixed at a mass ratio of 5:1, and filled in a liquid form into the anesthetic pack 32, and sealed by heat sealing.

Example 5:

referring to fig. 5, this embodiment differs from embodiment 1 in that: the side of the anesthetic bag 32 far away from the adhesive layer 2 is provided with the dressing core 33, so that after the anesthetic 4 flows out from the anesthetic bag 32, the anesthetic 4 is absorbed by the dressing core 33 and then permeates from the dressing core 33 to the skin of a patient, the application area can be enlarged, the part of the patient needing local anesthesia can be continuously applied, and the anesthesia effect is improved.

Example 6:

referring to fig. 7, this embodiment differs from embodiment 4 in that: the side of the anesthetic bag 32 far away from the adhesive layer 2 is provided with the dressing core 33, so that after the anesthetic 4 flows out from the anesthetic bag 32, the anesthetic 4 is absorbed by the dressing core 33 and then permeates from the dressing core 33 to the skin of a patient, the application area can be enlarged, the part of the patient needing local anesthesia can be continuously applied, and the anesthesia effect is improved.

Example 7:

referring to fig. 8, this embodiment differs from embodiment 2 in that: the one end that is kept away from adhesion layer 2 of needle body 31 is equipped with and applies core 33 for after anesthetic 4 flows from medicine storage cavity 311, by applying core 33 absorption, from applying core 33 in again infiltration to person's skin, can enlarge the area of dosing, and be favorable to carrying out the continuous medicine application to the part that needs local anesthesia of patient, improve anesthesia effect.

For example 5, example 6 and example 7, specifically, the dressing core 33 is made of hygroscopic fibers. The composition of the dressing core 33 includes one or more of viscose fiber, lyocell fiber, calcium alginate fiber, water-absorbing chitosan fiber, carboxymethyl cellulose fiber, carboxyethyl cellulose fiber, acylated chitosan fiber, carboxymethyl chitosan fiber, super water-absorbing crosslinked acrylic fiber, wood pulp fiber, polypropylene fiber, polyester fiber, nylon fiber, polyethylene fiber, hydrophobic chitosan fiber, and modified derivatives thereof.

Further, the dressing core 33 is preferably made of nonwoven fabric (made of polyester fiber, polyester fiber).

Further, the nonwoven fabric has a grammage of 120 to 500gsm.

In use, after the anesthetic 4 flows to the dressing 33, the dressing 33 aspirates the applied skin or wound to perform long-lasting local anesthesia.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. An application with anaesthetic effect comprising an adhesive layer (2) for adhering the application to the skin of a patient, characterized in that:

the application further comprises an anesthetic component (3) arranged on the adhesive surface (21) of the adhesive layer (2), wherein the anesthetic component (3) contains an anesthetic drug (4), and the anesthetic component (3) is used for acting the anesthetic drug (4) on the skin or subcutaneous tissue of a patient so as to carry out local anesthesia on the patient;

the anesthesia assembly (3) comprises an anesthesia medicine bag (32) and a needle body (31), wherein the anesthesia medicine bag (32) contains the anesthesia medicine (4), and the needle body (31) is used for puncturing the anesthesia medicine bag (32) so that the anesthesia medicine (4) flows out and acts on the skin of a patient;

or alternatively, the first and second heat exchangers may be,

the anesthesia assembly (3) comprises a needle body (31), wherein the needle body (31) is used for puncturing the skin of a patient, a medicine storage cavity (311) for storing the anesthesia medicine (4) is formed in the needle body (31), and an opening (312) communicated with the medicine storage cavity (311) is formed in the needle body (31), so that after the needle body (31) punctures the skin of the patient, the anesthesia medicine (4) flows out of the opening (312) and acts on subcutaneous tissues of the patient;

or alternatively, the first and second heat exchangers may be,

the anesthetic assembly (3) comprises an anesthetic bag (32), wherein the anesthetic bag (32) contains the anesthetic (4), so that the anesthetic (4) flows out and acts on the skin of a patient after the anesthetic bag (32) is crushed.

2. The application according to claim 1, wherein: and a dressing core (33) is arranged on one side of the anesthetic bag (32) far away from the adhesive layer (2), so that the anesthetic (4) flows out of the anesthetic bag (32), is absorbed by the dressing core (33) and permeates into the skin of a patient from the dressing core (33).

3. The application according to claim 1, wherein: one side of the needle body (31) far away from the adhesive layer (2) is provided with a dressing core (33), so that after the anesthetic (4) flows out of the medicine storage cavity (311), the anesthetic is absorbed by the dressing core (33), and then the anesthetic is permeated onto the skin of a patient from the dressing core (33).