CN208838876U - Medical cover film - Google Patents
Medical cover film Download PDFInfo
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- CN208838876U CN208838876U CN201820077878.9U CN201820077878U CN208838876U CN 208838876 U CN208838876 U CN 208838876U CN 201820077878 U CN201820077878 U CN 201820077878U CN 208838876 U CN208838876 U CN 208838876U
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- drug storage
- storage chamber
- cover film
- medical cover
- film
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Abstract
The utility model discloses a kind of medical cover film.The medical cover film includes drug storage chamber, the drug storage chamber has the first surface with skin contact, the first surface is equipped with several first through hole, it includes one layer or more of drug storage chamber unit that the drug storage is intracavitary, every layer of drug storage chamber unit includes several micro- drug storage chambers, the side wall of each micro- drug storage chamber is equipped with the second through-hole, and second through-hole is for being connected to two neighboring micro- drug storage chamber.The medical cover film can resist certain external force extruding and can protect the formula layer that it is covered and not be squeezed away, and then keep the thickness of formula layer.
Description
Technical field
The utility model relates to a kind of medical cover films.
Background technique
In order to realize that the preparation containing local anesthetic to the prolonged control of pain effect in affected part, is covered on the thickness of the formula layer in affected part
Degree is critically important.If be formulated, layer is too thin, and the local anesthetic being formulated in layer can prematurely have been absorbed, so that cannot get
Expected analgesia time.And in the prior art, it usually will be after formula layer be applied to affected part, then covered with medical film, easing pain
Period, after formula layer is squeezed by external force, the formula layer that will lead to affected part is thinning, and then greatly shortens effective analgesia time.Cause
This, seeking one kind can guarantee that being formulated the medical cover film of thickness degree is that need solve the problems, such as at present.
Utility model content
The technical problems to be solved in the utility model be in order to overcome the formula layer of the covering of medical film in the prior art by
Formula layer is thinning and greatly shorten the defect of effective analgesia time after squeezing to external force, and providing one kind can guarantee to be formulated thickness
The medical cover film of degree.The medical cover film can resist certain external force squeeze and can protect the formula layer of its covering not by
It squeezes away, and then keeps the thickness of formula layer.
The utility model solves above-mentioned technical problem by following technical proposals:
The utility model provides a kind of medical cover film, and the medical cover film includes drug storage chamber, and the drug storage chamber has
With the first surface of skin contact, the first surface is equipped with several first through hole, and the intracavitary drug storage includes one layer or more
Drug storage chamber unit, every layer of drug storage chamber unit include several micro- drug storage chambers, and the side wall of each micro- drug storage chamber is equipped with second
Through-hole, second through-hole is for being connected to two neighboring micro- drug storage chamber.
In above-mentioned technical proposal, which has certain structure and hardness, can when being squeezed by certain external force
To protect the formula layer being entirely covered not to be squeezed away.The medical cover film is additionally provided with drug storage cavity configuration, matches so being covered on
Rear portion formula can enter in drug storage cavity configuration on square layer, when being under pressure on the outside of the medical cover film, in drug storage chamber knot
Formula in structure is not easy to be squeezed to leave affected part.
In the utility model, the medical cover film can be manufactured by the combination of multiple material or material, generally soft
But it is not easy the material being flattened, the medical cover film is optionally foamed plastics film, such as polyurethane film.
In the utility model, the water vapour Penetration ration of the medical cover film is preferably 100-10000g/m2/ 24 is small
When, it is more preferably 400-4000g/m2/ 24 hours.(full name in English is moisture vapor to the water vapour Penetration ration
Transmission rate, english abbreviation MVTR) it is measured according to universal method in the industry.Material within the scope of above-mentioned restriction and
The eupnea of the skin in affected part can be better achieved in steam Penetration ration.
In the utility model, the thickness of the medical cover film is preferably 1-20 millimeters, is more preferably 3-10 millimeters.
In the utility model, the length of the medical cover film is preferably 3-50 centimetres, is more preferably 8-30 centimetres.
In the utility model, the area of the medical cover film is preferably 5-1000 square centimeters, is more preferably 10-
500 square centimeters.
In the utility model, preferably, the opening area of the first through hole accounts for the gross area of the first surface
70% or more but do not include 100%.
In the utility model, preferably, the network structure of Vegetable-sponge-shahydrotalcite-like is collectively formed in all micro- drug storage chambers.
In the utility model, preferably, micro- drug storage chamber is the cavity that shape is regular hexagonal prism.More preferably, described micro-
Drug storage chamber is arranged with honeycomb.
In the utility model, micro- drug storage chamber of adjacent two layers can also be staggered.
In the utility model, the depth of the drug storage chamber is preferably 10 millimeters hereinafter, more preferably for 0.2-5 millimeters, into
One step is more preferably 0.5-3 millimeters.
In the utility model, remaining surface of the drug storage chamber in addition to the first surface can also be enclosed construction.
In the utility model, the depth of the drug storage chamber is preferably equal with the thickness of the medical cover film.
Wherein, the side of the drug storage chamber far from the first through hole can partially have barrier film.
Wherein, the side of the drug storage chamber far from the first through hole can be all with barrier film.When micro- drug storage chamber is separate
When the side of first through hole all has barrier film, the medical cover film of formation is covering combination.
Wherein, the barrier film is medical barrier membrane commonly used in the art, is optionally plastic film or polyurethane
Film.The water vapour Penetration ration of the barrier film is preferably 100-10000g/m2/ 24 hours, be more preferably 400-4000g/m2/
24 hours.
Some formulas in use, must keep the water in the formula layer being applied on skin, wound or mucous membrane
Point.Keep the method for moisture first is that drug storage chamber is enclosed one layer of barrier film far from the side of first through hole, such as plastic film or
Polyurethane film to form covering combination, then the covering combined covering is lived to be formulated layer.If formula layer is applied in one
It can ooze out on the wound of body fluid, then, side of the drug storage chamber far from first through hole can not have barrier with barrier film or part
Film.
In the utility model, preferably, the medical cover film further includes the adhered layer around the drug storage chamber, it is described viscous
Paste layer is used to paste the drug storage chamber on the skin.
In the utility model, the opening is directly contacted with affected part, that is, generally when in use, in the medical cover film
Micro- drug storage chamber at be filled with pharmaceutical preparation, such as containing the preparation of local anesthetic, at this point, the opening area is containing local anesthetic
The area that is directly contacted with affected part of preparation.
The positive effect of the utility model is: the medical cover film can resist certain external force and squeeze and can be with
The formula layer for protecting it to cover is not squeezed away, and then keeps the thickness of formula layer.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the medical cover film of the utility model embodiment 1.
Fig. 2 is the combined structural schematic diagram of the covering of the utility model embodiment 1.
Fig. 3 is the structural schematic diagram of the medical cover film of the utility model embodiment 2-5.
The combined structural schematic diagram of the covering that Fig. 4 is the utility model embodiment 2-5.
Description of symbols:
Drug storage chamber 1
Adhered layer 2
Barrier film 3
Specific embodiment
A preferred embodiment is named, and completely illustrates the utility model in conjunction with attached drawing to become apparent from.
Embodiment 1
Medical cover film as shown in Figure 1, the medical cover film are polyurethane film, and the water vapour of the medical cover film is penetrating
Rate is 100g/m2/ 24 hours, with a thickness of 3 millimeters, length was 10 centimetres, and area is 15 square centimeters.The medical cover film includes
Drug storage chamber 1 and the adhered layer 2 for surrounding the drug storage chamber 1, the depth of the drug storage chamber 1 are 3 millimeters, which has connects with skin
The first surface of touching, the first surface are equipped with several first through hole, and the opening area of the first through hole accounts for the total of the first surface
The 70% of area.It include one layer or more of drug storage chamber unit in the drug storage chamber 1, every layer of drug storage chamber unit includes several micro- storages
The side wall of medicine cavity, each micro- drug storage chamber is equipped with the second through-hole (not marking in figure), and second through-hole is for being connected to adjacent two
A micro- drug storage chamber.The network structure of Vegetable-sponge-shahydrotalcite-like is collectively formed in all micro- drug storage chambers.The medical cover film is logical far from first
The side in hole is accompanied by barrier film 3, to form covering combination shown in Fig. 2, which is polyurethane film, the barrier film 3
Water vapour Penetration ration be 100g/m2/ 24 hours.
Effect example 1
In order to mitigate the operative incision pain of a caesarean birth patient, medical staff is 1.5 centimetres wide one layer of 3 millimeters thick
Formula D covering operative incision after it has been gathered on, and with covering combined covering shown in Fig. 2 live in formula D.Benefit in formula
Cacaine molecule starts to penetrate into the tissue of notch and surrounding at once.The operative incision pain of patient has been begun to obviously in 15 minutes
Mitigation.During analgesia, which plays good resistance with everyday actions, the medical cover film such as turning over, lie on one's side
The effect that external force squeezes protects formula layer of its covering not to be squeezed away, remains the thickness of formula layer, satisfied analgesic effect
It continue for 12 hours or more.After, when patient has need for analgesia, medical staff uses formula with same operating method
D and covering combination, during analgesia, which plays the role of protecting its covering to external force extrusion-resistance well
Formula layer is not squeezed away, remains the thickness of formula layer.
Wherein, the ingredient for being formulated D is as shown in the table:
| Ingredient | Mass percent/% |
| Lidocaine | 10 |
| Pemulen TR-2 | 0.24 |
| Sodium hydroxide | 0.13 |
| Starch | 0.3 |
| Water | Complement to 100 |
Embodiment 2
Medical cover film as shown in Figure 3, the medical cover film are polyurethane film, and the water vapour of the medical cover film is penetrating
Rate is 400g/m2/ 24 hours, with a thickness of 0.2 millimeter, length was 3 centimetres, and area is 5 square centimeters.The medical cover film includes
Drug storage chamber 1 and the adhered layer 2 for surrounding the drug storage chamber 1, the depth of the drug storage chamber 1 are 0.2 millimeter, which has and skin
The first surface of contact, the first surface are equipped with several first through hole, and the opening area of the first through hole accounts for the first surface
The 70% of the gross area.It include one layer or more of drug storage chamber unit in the drug storage chamber 1, every layer of drug storage chamber unit includes several micro-
The side wall of drug storage chamber, each micro- drug storage chamber is equipped with the second through-hole (not marking in figure), and second through-hole is adjacent for being connected to
Two micro- drug storage chambers.Micro- drug storage chamber is the cavity that shape is regular hexagonal prism, and is arranged with honeycomb, adjacent two layers
Micro- drug storage chamber is also staggered.The medical cover film is accompanied by barrier film 3 far from the side of first through hole, to form figure
Combination is covered shown in 4, which is polyurethane film, and the water vapour Penetration ration of the barrier film 3 is 400g/m2/ 24 hours.
Embodiment 3~5
The structural parameters and material parameters that the covering of embodiment 3~5 is combined are as shown above, remaining is the same as embodiment 2.
Effect example 2~5
By the covering combination of embodiment 2~5 be used for the pain of bleb phase of shingles zoster, post-herpetic neuralgia,
Neuroma pain, phantom limb pain, diabete peripheral herve pain, arthralgia include relieving pain in osteoarthritis, soft tissue injury, gout,
The analgesia of operative incision pain, burn and scald pain, the pain burnt when going scab, during analgesia, which is played very well
Support external force extrusion-resistance effect protection its covering formula layer be not squeezed away, remain formula layer thickness.
The utility model is not limited to above embodiment, no matter making any variation in its shape or structure, all falls within
Within the protection scope of the utility model.The protection scope of the utility model is defined by the appended claims, this field
Technical staff under the premise of without departing substantially from the principles of the present invention and essence, a variety of changes can be made to these embodiments
It more or modifies, but these change and modification each fall within the protection scope of the utility model.
Claims (10)
1. a kind of medical cover film, which is characterized in that the medical cover film includes drug storage chamber, and the drug storage chamber has and skin
The first surface of contact, the first surface are equipped with several first through hole, and it includes one layer or more of drug storage chamber that the drug storage is intracavitary
Unit, every layer of drug storage chamber unit include several micro- drug storage chambers, and the side wall of each micro- drug storage chamber is equipped with the second through-hole, institute
The second through-hole is stated for being connected to two neighboring micro- drug storage chamber.
2. medical cover film as described in claim 1, which is characterized in that the opening area of the first through hole accounts for described first
The gross area on surface 70% or more but do not include 100%.
3. medical cover film as described in claim 1, which is characterized in that Vegetable-sponge-shahydrotalcite-like is collectively formed in all micro- drug storage chambers
Network structure.
4. medical cover film as described in claim 1, which is characterized in that micro- drug storage chamber is the sky that shape is regular hexagonal prism
Chamber, micro- drug storage chamber are arranged with honeycomb.
5. medical cover film as described in claim 1, which is characterized in that micro- drug storage chamber of adjacent two layers is also staggeredly set
It sets.
6. medical cover film as described in claim 1, which is characterized in that the depth of the drug storage chamber is 10 millimeters or less.
7. medical cover film as claimed in claim 6, which is characterized in that 0.2-5 millimeters of the depth of the drug storage chamber or
0.5-3 millimeters.
8. medical cover film as described in claim 1, which is characterized in that remaining of the drug storage chamber in addition to the first surface
Surface is enclosed construction.
9. medical cover film as described in claim 1, which is characterized in that the depth of the drug storage chamber and the medical cover film
Thickness it is equal；A side section of the drug storage chamber far from the first through hole is with barrier film or all with barrier film；
The barrier film is plastic film or polyurethane film.
10. medical cover film as described in claim 1, which is characterized in that the medical cover film further includes around the storage
The adhered layer of medicine cavity；The medical cover film is foamed plastics film or polyurethane film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820077878.9U CN208838876U (en) | 2018-01-17 | 2018-01-17 | Medical cover film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820077878.9U CN208838876U (en) | 2018-01-17 | 2018-01-17 | Medical cover film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208838876U true CN208838876U (en) | 2019-05-10 |
Family
ID=66350922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820077878.9U Active CN208838876U (en) | 2018-01-17 | 2018-01-17 | Medical cover film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208838876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114631935A (en) * | 2022-03-16 | 2022-06-17 | 南方医科大学南方医院 | External gel anaesthetic pressing plaster |
-
2018
- 2018-01-17 CN CN201820077878.9U patent/CN208838876U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114631935A (en) * | 2022-03-16 | 2022-06-17 | 南方医科大学南方医院 | External gel anaesthetic pressing plaster |
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