CN-121987937-A - Flexible ultrasonic permeation promoting mask with local intelligent lamination

CN121987937ACN 121987937 ACN121987937 ACN 121987937ACN-121987937-A

Abstract

The invention relates to the technical field of intelligent wearing, in particular to a flexible ultrasonic permeation promoting mask with local intelligent fitting, which comprises an outer cover shell and a flexible inner cover, wherein the outer surface of the outer cover shell is provided with a rigid or semi-rigid layer conforming to the overall outline of a face, the inner surface of the outer cover shell is provided with a flexible layer, and a local deformation unit is arranged in a face depression area corresponding to the outer cover shell and used for actively adjusting the local curvature of the inner surface of the outer cover shell; the flexible inner cover is connected to the inner surface of the outer cover shell, an ultrasonic transduction array and a sensing unit are arranged in the flexible inner cover, the ultrasonic transduction array is used for exciting ultrasonic waves to realize ultrasonic permeation promotion, the sensing unit is used for monitoring the fit state of the flexible inner cover and the face in real time, and the local deformation unit is controlled to adjust the local curvature of the inner surface of the outer cover shell according to the fit state and extrude the flexible inner cover to fit with the concave area of the face. The invention solves the problem of poor lamination of the existing equipment by adopting self-adaptive lamination modes such as rigid-flexible combination, active compensation and the like.

Inventors

GUO LIANG
YU YANG
SU YEWANG
JIANG QINGWEI

Assignees

北京中科丽健医药科技有限公司

Dates

Publication Date: 20260508
Application Date: 20260407

Claims (10)

1. The flexible ultrasonic permeation promoting mask is characterized by comprising an outer cover shell and a flexible inner cover, wherein the outer surface configuration of the outer cover shell accords with the rigid or semi-rigid layer of the whole outline of a face, the inner surface of the outer cover shell is a flexible layer, a local deformation unit is arranged between the outer surface and the inner surface of the outer cover shell, and the local deformation unit is at least arranged in a face concave area and is used for actively adjusting the local curvature of the inner surface of the outer cover shell; the flexible inner cover is connected to the inner surface of the outer cover shell, an ultrasonic transduction array and a sensing unit are arranged in the flexible inner cover, the ultrasonic transduction array is used for exciting ultrasonic waves to achieve ultrasonic permeation promotion, the sensing unit is at least arranged in a face concave area and used for monitoring the fit state of the flexible inner cover and the face in real time, the local deformation unit is controlled to adjust the local curvature of the inner surface of the outer cover shell according to the fit state, and the flexible inner cover is extruded to fit with the face concave area.
2. The flexible ultrasonic permeation promoting mask of claim 1, wherein a plurality of male end code magnets are arranged on the outer cover shell, a plurality of female end code magnets are arranged on the flexible inner cover, the outer cover shell and the flexible inner cover are connected and electrically conducted through the male end code magnets and the female end code magnets, and the male end code magnets and the female end code magnets are connected in a one-to-one correspondence mode in a coding mode, so that the outer cover shell and the flexible inner cover are prevented from being connected in error.
3. The locally intelligent conformable flexible ultrasonic permeation promoting mask of claim 1 wherein the flexible inner mask is of silicone or ecoflex material.
4. The flexible ultrasonic permeation promoting mask of claim 1, wherein the back end of the outer cover shell is provided with a length-adjustable magic tape.
5. The locally intelligent conformable flexible ultrasonic penetration enhancing mask of claim 1 wherein the facial depression area comprises at least one of a nasal wing area, a nasal bridge area and an orbital area.
6. The flexible ultrasonic permeation promoting mask of claim 1, wherein the ultrasonic transduction array comprises a plurality of piezoelectric ceramic arrays and a flexible circuit, the flexible circuit comprises a positive electrode layer and a negative electrode layer, insulating layers are adhered to both sides of the positive electrode layer and the negative electrode layer, a plurality of pad units connected with the positive electrode layer and the negative electrode layer are arranged on the outer surface of the flexible circuit, and each piezoelectric ceramic array is welded on one pad unit.
7. The locally intelligent conformable flexible ultrasonic permeation promoting mask of claim 6 wherein each piezoelectric ceramic array comprises a class a piezoelectric ceramic and a class B piezoelectric ceramic of opposite polarization.
8. The locally intelligent conformable flexible ultrasonic permeation promoting mask of claim 1, wherein the local deformation unit is a shape memory alloy wire mesh, the shape memory alloy wire mesh is expanded or contracted by electrical stimulation, thereby squeezing the flexible inner mask to conform to the facial depression.
9. The locally intelligent conformable flexible ultrasonic permeation promoting mask of claim 1, wherein the local deformation unit is a micro actuator array comprising a plurality of micro piezoelectric actuators fixed in the outer shell body, and wherein the end of each micro piezoelectric actuator push rod is controlled by an electrical signal to squeeze the flexible inner shell to be in contact with the facial depression.
10. The locally intelligent conformable flexible ultrasonic permeation promoting mask of claim 1, wherein the sensing unit is a pressure sensor array or a distance sensor array.

Description

Flexible ultrasonic permeation promoting mask with local intelligent lamination Technical Field The invention belongs to the technical field of intelligent wearing, and particularly relates to a flexible ultrasonic permeation promoting mask with local intelligent lamination. Background With the growing demand for personalized medicine and skin care, wearable intelligent devices facing the face become research and development hotspots. The facial wearable intelligent device generally adopts an ultrasonic permeation promotion technology to realize transdermal drug delivery and promote the absorption of skin to nutrients in skin care products such as tranexamic acid, glycerol, hyaluronic acid and the like. The existing ultrasonic leading-in instrument can help skin absorb moisture and nutrient components in skin care products, but the skin has dynamic deformation characteristics due to the fact that the face is a complex three-dimensional inextensible curved surface. The biggest technical bottleneck faced by existing devices is that the device and skin contact surface cannot maintain uniform, tight and comfortable full contact throughout wear. For example, a space may occur in a concave region such as a nose wing or an eye socket, which causes rapid attenuation of ultrasonic transmission efficiency, and a local state of the face is poor for a long period of time. The traditional equipment is mainly fixed in a mode that firstly, the equipment pressure is bound on the face through mechanical pressure such as a strap, a head band and the like, the problem that local attaching dead angles appear cannot be solved in the mode, wearing discomfort can be caused, and local part of the face is pressed and ischemic for a long time. Second, negative pressure suction is generated by the micropump, which can produce noise and damage the fragile skin. Disclosure of Invention In view of the above, the invention aims to provide a flexible ultrasonic permeation promoting mask with local intelligent lamination, the mask is divided into an outer cover shell and a flexible inner cover, the whole surface is restrained by the outer cover shell, local deformation units are arranged to conduct targeted compensation on concave areas such as a nose wing area, a nose bridge area and an eye socket area, the problem of poor lamination of the traditional equipment is solved by self-adaptive lamination modes such as rigid-flexible combination and active compensation, and the action effect of ultrasonic permeation promotion is improved. In order to achieve the above purpose, the technical scheme of the invention is realized as follows: the invention provides a flexible ultrasonic permeation promoting mask with intelligent local fitting, which comprises the following components: The outer surface of the outer cover shell is provided with a rigid or semi-rigid layer which accords with the overall outline of the face, the inner surface of the outer cover shell is provided with a flexible layer, a local deformation unit is arranged between the outer surface and the inner surface of the outer cover shell, and the local deformation unit is at least arranged in a face concave area and is used for actively adjusting the local curvature of the inner surface of the outer cover shell; The flexible inner cover is connected to the inner surface of the outer cover shell, an ultrasonic transduction array and a sensing unit are arranged in the flexible inner cover, the ultrasonic transduction array is used for exciting ultrasonic waves to realize ultrasonic permeation promotion, the sensing unit is at least arranged in a face concave area and used for monitoring the fit state of the flexible inner cover and the face in real time, and the local curvature of the inner surface of the outer cover shell is controlled by the local deformation unit according to the fit state and is extruded to be fit with the face concave area. Preferably, a plurality of male end code magnets are arranged on the outer cover shell, a plurality of female end code magnets are arranged on the flexible inner cover, connection between the outer cover shell and the flexible inner cover is realized through the male end code magnets and the female end code magnets, electric conduction is realized through the male end code magnets, the male end code magnets and the female end code magnets are connected in a one-to-one correspondence manner, and error connection between the outer cover shell and the flexible inner cover is avoided. Preferably, the flexible inner cover is made of silica gel or ecoflex materials. Preferably, the rear end of the outer cover shell is provided with a magic tape with adjustable length. Preferably, the facial depression includes at least one of a nasal alar region, a nasal bridge region, and an orbital region. Preferably, the ultrasonic transduction array comprises a plurality of piezoelectric ceramic arrays and a flexible circuit, the flexible circuit comprises a p