CN218606656U

CN218606656U - Facial elastic modulus testing arrangement

Info

Publication number: CN218606656U
Application number: CN202221945610.5U
Authority: CN
Inventors: 谭欢; 张远理
Original assignee: Chongqing Three Gorges Medical College
Current assignee: Chongqing Three Gorges Medical College
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2023-03-14
Anticipated expiration: 2032-07-25

Abstract

The utility model relates to a human skin mechanical properties tests technical field, discloses a facial elastic modulus testing arrangement, including a flexible carrier, install a plurality of ultrasonic transducer and the pressurization unit that are the matrix distribution on the carrier, ultrasonic transducer and pressurization unit cross distribution, ultrasonic transducer are connected with phased array the control unit, and the pressurization unit is connected with array controlling means, and phased array the control unit and array the control unit all are connected with the main frame, and the main frame is connected with the display. The utility model discloses can solve prior art and lack the quantization means to facial skin elasticity measurement, can not provide accurate guidance to facial energy stimulation, be difficult to the problem of supplementary amazing facial muscle that becomes more meticulous.

Description

Facial elastic modulus testing arrangement

Technical Field

The utility model relates to a human skin mechanical properties tests technical field, concretely relates to facial elastic modulus testing arrangement.

Background

The research on the mechanical properties of human facial skin and the facial expression on the basis of the research on the mechanical properties of human facial skin have important academic values in various fields such as mechanics, medical health, animation, psychology, criminal investigation and the like. From the sixties of the last century to date, relevant research on the skin has gained increasing attention. In this multidisciplinary cross-study, the study of the mechanical properties of human facial skin is undoubtedly of fundamental and critical importance. High level of mechanical performance studies of human facial skin can facilitate and drive typical expression (surprise, disgust, anger, fear, sadness, pleasure, etc.) muscle movement and deformation transmission studies. In addition, the research on the mechanical properties of the facial skin has important guiding significance for the work of facial surgery, wound recovery, face-lifting, facial paralysis recovery and the like. The most important mechanical property of facial skin is elasticity, usually expressed in elastic modulus, and the existing elastic modulus test for facial skin and muscle is more based on experience, such as touching with eyes, or post-processing pictures after taking pictures by using a camera, and the above test methods are not quantifiable. The reason is that the measurement method lacks a quantification means, so that the measurement method lacks accurate guidance and can only carry out large-area treatment when massaging or stimulating facial muscles in the follow-up process, and the treatment method has little change on small parts and is difficult to achieve fine adjustment.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is anticipated to provide a facial elastic modulus testing arrangement to solve prior art and lack the quantization means to facial skin elasticity measurement, can not provide accurate guidance to facial energy stimulation, be difficult to the problem of supplementary amazing facial muscle that becomes more meticulous.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a facial elastic modulus testing device comprises a flexible carrier, wherein a plurality of ultrasonic transducers and pressurizing units which are distributed in a matrix mode are mounted on the carrier, the ultrasonic transducers and the pressurizing units are distributed in a cross mode, the ultrasonic transducers are connected with a phased array control unit, the pressurizing units are connected with an array control device, the phased array control unit and the array control device are connected with a computer host, and the computer host is connected with a display.

The principle and the advantages of the scheme are as follows: in practical application, the carrier supports the ultrasonic transducer matrix and the pressurizing unit matrix to form a flexible whole, the whole wraps the whole face in a mask mode, the ultrasonic transducer and the pressurizing unit distributed in the matrix subdivide the face into a phased array form, the pressurizing unit applies pressure to the face, the pressurizing unit works under the control of the computer host and the array control device, the skin on the lower portion deforms under the pressure, ultrasonic waves are applied through the ultrasonic transducer to test the deformation and the elastic modulus of the skin on the face, the elastic modulus values of the skin on different areas can be accurately obtained, the phased array control unit controls the ultrasonic transducer to work, the measured elastic modulus is processed by the computer host and then is distinguished on the display in different colors, and an image of the elastic value of the face is displayed. The face is effectively subdivided into a plurality of areas through the carrier, the ultrasonic transducer matrix and the pressurizing unit matrix, the elasticity of tissues in different areas is effectively distinguished, a fine elasticity distribution diagram of the whole face is established, further, targeted facial stimulation is facilitated, and a good guiding effect is provided for cosmetology in dermatology, facial paralysis, postoperative recovery of the face and the like.

Further, preferably, as an improvement, the carrier is a rectangular bag, and the bag contains a liquid ultrasonic couplant. Adopt bag structure and splendid attire liquid supersound couplant for the carrier is better with facial laminating nature when using, and is more stable, accurate to the transmission of ultrasonic wave, makes face deformation and elastic modulus's test more accurate, can obtain more accurate facial elastic parameter.

Further, preferably, as a modification, each of the ultrasonic transducers includes an ultrasonic emitting sheet and an ultrasonic receiving sheet side by side, and the ultrasonic emitting sheet and the ultrasonic receiving sheet are flatly attached to the capsular bag. Each ultrasonic transducer can be used for transmitting ultrasonic waves and receiving the ultrasonic waves in a combined mode, the ultrasonic waves can be transmitted and received in different time sequences, and the face can be covered comprehensively by the flat attaching mode.

Further, preferably, as an improvement, the pressurizing unit includes a pressurizing pipe, a piston column is arranged in the pressurizing pipe, the end part of the piston column extending out of the pressurizing pipe extends circumferentially to form a pressurizing sheet, and the pressurizing pipe is connected with the hydraulic pump through a hydraulic pipe. The hydraulic pump provides pressure to the pressurization pipe pumping liquid through the hydraulic pipe, and hydraulic pressure promotes the piston post, thereby the pressurization piece exerts pressure to the face, and pressure stability like this to the automatically controlled accurate control pressure of accessible to the hydraulic pump.

Further, it is preferable that, as a modification, the ultrasonic transducer and the pressurizing sheet are located inside the capsular bag. Ultrasonic transducer and pressurization piece accessible bag isolation protection avoid frequently contacting the external world and cause the damage like this, and can more be favorable to guaranteeing to the exerting pressure and the ultrasonic detection precision of face.

Further, it is preferable that, as a modification, the ultrasonic transducer and the pressurizing sheet are immersed in the liquid ultrasonic couplant in the pouch. Therefore, the ultrasonic detection of the face is more stable, accurate and reliable, and the service life of the ultrasonic transducer and the pressurizing sheet is longer.

Further, it is preferable that, as a modification, the ultrasonic transducer and the pressurizing unit are attached to an upper inner wall of the bag. Therefore, the ultrasonic transducer and the pressurizing unit are arranged on the upper side of the bag, and the outer wall of the lower side of the bag is in contact with the face, so that the pressurizing and ultrasonic detection on the face are facilitated.

Further, preferred, as an improvement, the carrier is connected with elevating system, and elevating system includes two cranes side by side, and the crane includes two telescopic links side by side, and the top and the carrier of telescopic link are connected. Support the carrier through two cranes, the telescopic link forms the four corners on the carrier and supports, spreads out the carrier, adjusts the carrier through the lift during use to the covering of face, the simple operation to be favorable to covering facial comprehensive.

Further, preferably, as an improvement, a support rod is connected between the bottom ends of the two telescopic rods of the lifting frame. Connect two telescopic links of crane as an organic whole through the bracing piece, the crane wholeness is better, and is more reliable and more stable to the support of carrier.

Further, it is preferable that, as a modification, the support has a thickness of 1 to 2mm. Therefore, the carrier can be ensured to be better attached to the contour of the face, and the pressing effect and the ultrasonic detection precision on the face are better facilitated.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is a flowchart of ultrasonic detection in embodiment 1 of the present invention.

Fig. 3 is a schematic view of a pressure supply structure of the pressurizing unit in embodiment 1 of the present invention.

Fig. 4 is a schematic structural diagram of embodiment 2 of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: a bag 1, an ultrasonic transducer 2, a pressurizing sheet 3, a piston column 31, a pressurizing pipe 32, a hydraulic pipe 33, an array type pressurizing control device 4 phased array control unit 5, computer host 6, display 7, sleeve pipe 8, inner tube 9, sill bar 10.

Example 1, substantially as shown in figure 1: a facial elastic modulus testing device comprises a rectangular bag 1, wherein the bag 1 is a flexible bag body, a liquid ultrasonic coupling agent is contained in the bag 1, and the thickness from the upper surface to the lower surface of the bag 1 is 1-2mm. Sixty-four rectangular sheet-shaped ultrasonic transducers 2 are fully distributed on the inner surface of the upper wall of the bag 1 in a matrix manner, the ultrasonic transducers 2 are bonded on the inner wall of the bag 1, and each ultrasonic transducer 2 comprises an ultrasonic emitting sheet and an ultrasonic receiving sheet which are arranged side by side. The ultrasonic transducer 2 is controlled by a phased array control unit 5, and the phased array control unit 5 is connected with a computer host 6.

Every cross point at matrix middle part all is equipped with the pressure cell, and forty nine total pressure cells are the matrix arrangement and distribute, and every pressure cell includes the forcing pipe 32, and the forcing pipe 32 is connected and is supplied the pressure structure, combines to show in fig. 3, supplies to press the structure to include at the hydraulic pressure pipe 33 of forcing pipe 32 end connection, and the sliding connection of forcing pipe 32 head end has piston post 31, and the tip circumference that piston post 31 is located the forcing pipe 32 outside extends for the pressurization piece 3. Every hydraulic pressure pipe 33 all passes through hydraulic pump connection hydraulic tank, and forty nine hydraulic pumps are controlled through same array pressurization controlling means 4, and array pressurization controlling means 4 includes singlechip and air switch array, and the air switch array includes the air switch with every hydraulic pump connection, and the singlechip passes through every air switch of output signal control.

The ultrasonic transducer 2 and the pressurizing sheet 3 are both soaked in the ultrasonic couplant in the bag 1.

Embodiment 2, in this embodiment, as shown in fig. 4, the bottom end of the bag 1 is provided with a lifting support frame, the lifting support frame includes telescopic rods bonded at four corners of the bottom end of the bag 1, each telescopic rod includes a sleeve 8 located below, a plurality of clamping holes are vertically formed in the sleeve 8, an inner tube 9 is inserted into the sleeve 8, a through hole is formed in the inner tube 9, a plug is inserted into the through hole, a U-shaped spring is arranged inside the inner tube 9, one end of the U-shaped spring is welded on the inner wall of the inner tube 9, and the other end of the U-shaped spring is welded and fixed to the plug. A bottom rod 10 is connected between the bottom ends of the two telescopic rods on the left side of the bag 1, and a bottom rod 10 is also connected between the bottom ends of the two telescopic rods on the right side of the bag 1.

The specific implementation process is as follows: the phased array control unit 5 and the array type pressurization control device 4 are both connected with a computer host 6 through a lead, and the computer host 6 is also connected with a display 7. The size of bag 1 is greater than adult's facial area, and surveyed personnel lie down during the use, with bag 1 tiling cover on surveyed personnel face, bag 1 does not have one side subsides of ultrasonic transducer 2 and covers at facial, breathes unobstructed in order to guarantee to be surveyed personnel, wears the oxygen mask for being surveyed personnel. The single chip microcomputer of the array type pressurization control device 4 is sent a signal through the computer host 6, the single chip microcomputer controls the air switch array to accurately control the work of each hydraulic pump, the hydraulic pump pressurizes and pumps liquid in a hydraulic oil tank to the pressurization pipe 32 through the hydraulic pipe 33, the piston column 31 in the pressurization pipe 32 is pushed by the pressurized liquid to move outwards of the pressurization pipe 32, the pressurization sheets 3 downwards extrude the face, and the forty-nine pressurization sheets 3 pressurize different positions of the face.

The computer host 6 outputs signals to the phased array control unit 5, the phased array control unit 5 comprises a control box (such as SIMATIC G120 purchased from the market), as shown in FIG. 2, a signal generator (such as SIN-C703 purchased from the market), a radio frequency amplifier (such as SBB5089 purchased from the market) and a matching box (such as HBP-A purchased from the market) are connected between the ultrasonic emission piece of each ultrasonic transducer 2 (such as YTPD198R190-4.0 purchased from the market), each signal generator, radio frequency amplifier and matching box are precisely controlled by the control box to work, the ultrasonic emission piece outputs ultrasonic waves to carry out ultrasonic detection on the face after being pressed by the pressing piece 3, and the ultrasonic waves returned from the face are received by the ultrasonic receiving piece of the ultrasonic transducer 2. The ultrasonic receiving sheet converts the received ultrasonic signals into electric signals, and the electric signals are output to a display 7 through radio frequency amplification processing, filtering processing and post-processing in a computer host 6 and are presented as a gray-scale displayed image and a color displayed elastic modulus image. The different values of the elastic modulus are classified to represent different ranges of the elastic modulus by different color values of red, yellow, blue, green, etc., and then a color elastic modulus map is displayed on the display 7.

The utility model discloses a flexible bag 1 wraps up whole face with the face guard mode, and ultrasonic transducer 2 and the pressure unit to whole face through the matrix distribution subdivide into the phased array form. The ultrasonic transducer 2 and the pressurizing sheet 3 are placed crosswise, and after the bag 1 is fixed to the face, the spatial position of the face is fixed, and accurate fixation of the face area is realized. At this time, different pressure adding pieces 3 are pressurized to form different pressure values, under the pressure, the facial skin deforms, deformation and elastic modulus change of facial skin at different positions under different pressures are tested, elastic modulus values of skin in different areas can be accurately obtained, and then the elasticity of the facial skin is accurately measured. And then, the elastic modulus obtained by the test is subjected to region classification, and different elastic moduli are distinguished by different colors, so that the face elastic value image can be displayed on a display screen. The displayed elastic modulus image is referred to the elastic modulus of the age of a normal person, and whether the face elasticity index of the patient is normal can be obtained. The elasticity of different tissues is effectively distinguished by establishing an elasticity distribution map of the whole face, so that the targeted treatment is performed, the good guiding effect is provided for the treatment of facial muscle diseases such as dermatology, facial paralysis and the like, and accurate reference is provided for the subsequent dermatology treatment. The design innovatively combines the ultrasonic elastic modulus measurement and the subsequent elastic image display, and can be used as a new measurement method for dermatology.

Through the utility model discloses technical scheme can also track the test to patient's different age brackets, can be in order to obtain patient's present facial elastic data, also can track the facial elastic data of patient's different age brackets, assesses the dynamic data that patient's facial elasticity changes, and then can be through the effectual facial elasticity of improvement patient of corresponding treatment or physiotherapy mode.

The ultrasonic elastic modulus test method is often used for measuring solid internal organs in a body, the face is light in skeleton, ultrasonic is easy to reflect, errors are easy to occur when ultrasonic gray scale imaging is used, elastic modulus data can be obtained through easier test by using the ultrasonic elastic modulus measurement, the elastic modulus data are distinguished in different colors and can be converted into an elastic modulus color region distribution diagram, the condition of the face can be displayed through the colors and is displayed in an overlapped mode with an image gray scale image, the display is more visual compared with the display of the existing gray scale image, the elastic modulus data of the face skin can be displayed more visually, a patient without a medical knowledge background can also understand the method, and the communication between the patient and the patient is smoother.

The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A facial elastic modulus testing arrangement which characterized in that: the ultrasonic transducer and the pressurizing unit are distributed in a cross mode, the ultrasonic transducer is connected with a phased array control unit, the pressurizing unit is connected with an array control device, the phased array control unit and the array control device are both connected with a computer host, and the computer host is connected with a display.

2. A facial elastic modulus test device according to claim 1, characterized in that: the carrier is a rectangular bag, and liquid ultrasonic couplant is contained in the bag.

3. A facial elastic modulus test device according to claim 2, characterized in that: each ultrasonic transducer comprises an ultrasonic transmitting sheet and an ultrasonic receiving sheet which are arranged side by side, and the ultrasonic transmitting sheet and the ultrasonic receiving sheet are flatly attached to the capsular bag.

4. A facial elastic modulus test device according to claim 3, characterized in that: the pressurizing unit comprises a pressurizing pipe, a piston column is arranged in the pressurizing pipe, the end part of the piston column extending out of the pressurizing pipe extends in the circumferential direction to form a pressurizing sheet, and the pressurizing pipe is connected with the hydraulic pump through a hydraulic pipe.

5. The apparatus for testing facial elastic modulus according to claim 4, wherein: the ultrasound transducer and the pressurizing sheet are located inside the capsular bag.

6. A facial elastic modulus test device according to claim 5, characterized in that: the ultrasonic transducer and the pressurizing sheet are immersed in the liquid ultrasonic couplant in the pouch.

7. The apparatus for testing facial elastic modulus according to claim 6, wherein: the ultrasonic transducer and the pressurizing unit are connected to the upper inner wall of the bladder.

8. A facial elastic modulus test device according to claim 1, characterized in that: the carrier is connected with elevating system, and elevating system includes two crane side by side, and the crane includes two telescopic links side by side, and the top and the carrier of telescopic link are connected.

9. A facial elastic modulus test device according to claim 8, characterized in that: the bottom ends of the two telescopic rods of the lifting frame are connected with a supporting rod.

10. A facial elastic modulus test device according to claim 1, characterized in that: the thickness of the carrier is 1-2mm.