303 results about "Scalp" patented technology

A process for exfoliating the skin, including the scalp, and / or the nails, comprising the step consisting in subjecting a surface of said skin (K), or said nails, to a cosmetic composition and to ultrasonic acoustic waves emitted by a device comprising at least one ultrasonic transducer (13), with an acoustic intensity Isata in the region exposed to the acoustic waves that is at least equal to 0.1 W / cm2, i) the transducer being moved relative to said surface at an average sweeping speed of between 0.01 cm2 / s and 15 cm2 / s for the duration of treatment of said surface, and / or ii) the device being applied to a location on the keratin material, then moved away from the latter and applied to a different location.

According to some embodiments, a method of promoting hair growth or hair stimulation in a subject comprises applying vacuum or suction using a handpiece assembly along a targeted portion of the subject's skin surface where hair growth or hair stimulation is desired and providing at least one treatment material to said targeted portion of the subject's skin surface, wherein the application of vacuum or suction helps promote hair growth or stimulate hair.

Wearable modular mask systems for combination face and skincare diagnostics and therapeutics. Systems include devices that can be attached to wearable masks for diagnosis and treatment of skin conditions, diseases, and disorders, as well as for cosmetic improvements to the skin of the face and scalp.

The utility model relates to the technical field of electroencephalogram acquisition equipment, in particular to a dry type brain electrode and an electroencephalogram cap. The dry type brain electrode comprises an electrode needle and a base used for loading the electrode needle. The base is used for being installed on the wearable device. The base is provided with an assembling end face used for installing the electrode needle. And a conductive circuit is arranged in the base. The conductive circuit is connected with the electrode needle. And the plurality of electrode needles are circularly arranged on the assembly end face along the center line of the base to form a detection unit. The electrode needle comprises a connection section and a detection section which are connected in sequence. The connecting section is connected with the assembling end face of the base. The cross-sectional area of the detection section is smaller than that of the connection section. According to the dry type brain electrode, the multiple electrode needles are loaded on the base, the electrode needles penetrate through the hair of the head of the human body, the end of the detection section is made to make contact with the scalp surface, and therefore the function of collecting electroencephalogram signals is achieved, the reliability of contact between the detection section and the epidermis of the head is improved, and the stability of electroencephalogram signal collection is improved.

The invention provides an artificial cochlea which comprises an implant and an extracorporeal machine, the implant and the extracorporeal machine both adopt a magnet-free design, the extracorporeal machine is configured to receive a sound signal and transmit the sound signal to the implant after first processing, the implant is configured to perform second processing on the sound signal after first processing, and the implant is configured to perform second processing on the sound signal after second processing. The auditory neuron is stimulated by implanting an electrode; the in-vitro machine comprises an electrode array, the electrode array comprises a base and a plurality of electrode assemblies, and the electrode assemblies are inserted into a target scalp area in a semi-intrusive mode so that at least part of the in-vitro machine can be fixed to the target scalp area; wherein the implant is arranged on the inner side of the target scalp area, and the extracorporeal machine is arranged on the outer side of the target scalp area. And due to the non-magnet design, the artificial cochlea can improve the use experience of the user.

Systems and methods for applying therapeutic ultrasound to the brain to compensate for attenuation and dephasing of ultrasound by each individual's head. The compensation is based on relative ultrasound through-transmit measurements, which are performed using a set of ultrasonic emitters over one side of the head and a set of receivers on the other side. The measurements are performed with the head absent and present. Based on the difference between these measurements, the set of ultrasound waves is adjusted to compensate for attenuations and dephasing caused by the ultrasound wave passing into the head through the scalp and skull. The adjusted set of ultrasound waves provides intended, deterministic ultrasound intensity at the target location. The deterministic delivery enables safe and effective ultrasonic neuromodulation, local drug release from nanoparticle carriers, and microbubble-based disruption of blood-brain barrier for the delivery of drugs, genes, and stem cells across the blood-brain barrier.

The present invention relates to an oxidative hair dye composition, and a hair dye comprising the oxidative hair dye composition, the oxidative hair dye composition comprising: a first agent comprising an oil and an oxidative dye; and a second agent comprising an oxidizing agent. The hair dye composition of the present invention contains the oil in the first agent so as to prevent contact between the oxidative dye and oxygen, and thus inhibits oxidation and provides excellent dye retention, conditioning and scalp protection effects.

Provided herein are systems, kits, and methods for monitoring brain activity. In some implementations, a system includes a plurality of wearable sensors having a housing with an extended, rounded shape are removably attached to the scalp of a patient and monitor electroencephalogram (EEG) signals. Approaches for instructing a user to position and active that wearable sensors are disclosed. Approaches for facilitating collection, synchronization, and processing of EEG signals are disclosed. Approaches for handing off control of the wearable sensors between portable computing devices are disclosed.

Provided herein are systems, kits, and methods for monitoring brain activity. In some implementations, a system includes a plurality of wearable sensors having a housing with an extended, rounded shape are removably attached to the scalp of a patient and monitor electroencephalogram (EEG) signals. Approaches for instructing a user to position and active that wearable sensors are disclosed. Approaches for facilitating collection, synchronization, and processing of EEG signals are disclosed. Approaches for handing off control of the wearable sensors between portable computing devices are disclosed.

The utility model relates to the technical field of scalp medicine applying devices, and discloses a scalp medicine applying leakage-proof device which comprises a tank body, a connecting base is arranged at the bottom of the tank body, two fixing columns are fixedly connected to the inner side of the connecting base, two telescopic rods are fixedly connected to the bottom of the connecting base, and the telescopic rods are fixedly connected to the inner side of the connecting base. And the bottoms of the two telescopic rods are fixedly connected with anti-leakage rings, the inner side of the tank body is slidably connected with an assembling base, two clamping openings are formed in the outer side of the assembling base, a plurality of sliding grooves are formed in the assembling base, and annular grooves are formed in the inner sides of the sliding grooves. According to the multi-stage liquid outlet device, by pressing the tank body, liquid medicine can enter a medicine outlet cylinder through a sliding groove and then flow downwards from two small holes formed in a second movable block, the medicine outlet amount can be easily controlled through the multi-stage liquid outlet mode, a ball can massage the scalp of a patient under the action of a first spring, absorption of the liquid medicine is assisted, and therefore the scalp of the patient can be massaged. An annular closed area can be defined by the leakage-proof ring.

Systems and methods using non-imaging transcranial focused ultrasound (tFUS) systems are described. Non-imaging annular and matrix probes with low element counts are used in the systems. In an embodiment, an infrared-based system is used to gather the ultrasound's position information on the scalp. The position information is used to simulate the spatial distribution of the ultrasound field of the ultrasound probes. The simulation output is overlaid with pre-procedure MRI data and displayed to a clinician. Measurements on the MRI data are used to compensate the beam formation for the acoustic behavior of the skull so that a desirable tFUS focal region is achieved. In a different embodiment, an optical system is used for gathering positional information.

The present disclosure relates to a light output device for scalp care including a thin film-type heat dissipation sheet. The heat dissipation sheet is composed of an insulating layer and a heat diffusion layer to effectively block and disperse heat generated inside the device. This may protect user's skin from the heat of the device and prevent overheating of internal components, thereby improving durability and stability of the device.

A device for treating hair or scalp, the device comprises a dispenser connected to a cartridge, wherein the cartridge comprises a formulation; a plurality of tips, wherein the tips have at least one opening to dispense the formulation; and a controller that controls the amount of formulation that is dispensed from the tips.

The present invention discloses a scalp traction surgical device, belonging to the field of scalp traction surgery. It comprises a top fixing frame, the top of which is fixedly connected with a top threaded cylinder; by threading the top threaded cylinder on the top of the top fixing frame with an external mechanical arm or bracket, the traction device can be fixed and installed in a portable manner without the need for the operator to hold it continuously; the scalp of the patient is pulled by a traction block on one side of the clamping frame, without the need for the medical staff to continuously pull it by hand, thereby improving the stability of the traction effect and reducing the workload of the medical staff; the height of the clamping frame can be adjusted in a portable manner, thereby facilitating fine adjustment of the traction position during the operation, improving the accuracy of the adjustment, and reducing the shaking effect caused by the hand-held adjustment; and the traction process can be adjusted in a portable manner, thereby improving the versatility of the traction device.

The utility model belongs to the technical field of medical instruments, in particular to a wearable transcranial electrical stimulation device, which comprises a transverse hoop and a vertical hoop, the transverse hoop is fixedly connected with a mounting block, the vertical hoop is adjusted with the transverse hoop by sliding in the mounting block, one end of the transverse hoop and one end of the vertical hoop are respectively provided with a clamping groove, and the transverse hoop and the vertical hoop are connected with the mounting block. The transverse hoop and the vertical hoop adjust the sliding clamping rod through the clamping grooves, the transverse hoop connecting clamping rod is provided with a sliding way, the interior of the sliding way is connected with a transverse electrode plate in a sliding mode, meanwhile, the bottom of the transverse hoop connecting clamping rod is rotationally connected with a connecting piece, the connecting piece is rotationally connected with a support, and the support is rotationally connected with an auricle cover. The size of the transverse hoop and the vertical hoop of the device can be adjusted, the clamping rod can slide and rotate, the position of the electrode plate can be accurately adjusted, the device can adapt to the head circumference, the head shape and the brain structure difference of different users, it is ensured that the electrodes make good contact with the scalp, and accurate and effective electrical stimulation is achieved.

The traction type midwifery assist device comprises an outer head sleeve and an inner head sleeve, and the outer head sleeve comprises an outer sleeve and an elastic clamping jaw; the inner head sleeve comprises a sleeve body, a traction pull rod and a covered edge. On one hand, on the basis of collaborative design of the elastic clamping jaws and the sleeve body, initial wrapping can be formed along with automatic outward expansion and inward contraction of the fetal head during midwifery, the edge of the sleeve opening is driven to be overturned and tightened inwards by means of the opposite acting force of the traction pull rod and the outer sleeve, dynamic gradual wrapping of the fetal head is achieved, wrapping traction can be achieved after the outer head sleeve is detached outwards, and the operation is convenient. The risk of fetal head slippage is reduced, the traction stability is enhanced, scalp hematoma, tissue injury and maternal soft birth canal injury possibly caused by traditional negative pressure suction are effectively avoided, and the safety of a mother and an infant is improved; and on the other hand, the matching of the claw tips and the covered edges is ingeniously utilized, so that the interference of the covered edges on the size change of the sleeve opening is reduced, and a smaller covering opening can be provided during inward turning covering so as to increase the covering force formed by the sleeve body and the fetal head.

The invention relates to: an aqueous sprayable hair tonic with a pH value of 3.0 to 7.0 at 20°C, containing urea and / or a urea derivative in a total amount of 1.0 to 20 wt.%, adenosine in an amount of 0.05 to 3 wt.%, and a buffering system for stabilising the pH value, wherein the hair tonic comprises less than 18 wt.%, preferably at most 10 wt.%, in particular at most 5 wt.% ethanol; and the use of a sprayable aqueous preparation containing adenosine and urea and / or a urea derivative, with an ethanol content of less than 18 wt.%, for the cosmetic treatment of the skin, in particular the scalp.

A scalp analysis device according to an embodiment of the present invention is a scalp analysis device for analyzing the distribution of blood vessels in the scalp, and comprises: a first light source; a first polarizer which is arranged between the scalp and the first light source and linearly polarizes light emitted from the first light source so that polarized light is irradiated to the scalp; an image sensor for detecting light incident from the scalp; a second polarizer which is disposed between the scalp and the image sensor and which is orthogonal to a polarization direction of the first polarizer; and an image processing part for processing an image detected by the image sensor, wherein the first light source emits light in which the maximum intensity in a blue region of 400 nm to 500 nm and the maximum intensity in a green region of 500 nm to 600 nm in a light emission spectral distribution each exceed 50% of the maximum intensity in the light emission spectral distribution.

A system for applying functional near infra-red spectroscopy (fNIRS) measurements to the head of a subject, is presented. The system comprising one or more of: a plurality of mirror optrodes, comprising at least one optode capable of connecting to the subject's scalp through a reflector arrangement, wherein the reflector arrangement is attachable to the subject's scalp through a light scattering couplant to be applied to the scalp; sticker optrodes comprising an adhesive fdm with at least one optode embedded into the film, and at least one flexible patch with a flexible support structure which comprises one or more expanded emitter optodes at the upper part of the flexible support structure, and wherein optrodes embedded into the lower part of the flexible support structure are non-expanded emitter and detector optodes. The sticker optrodes and flexible patch are configured to be attached to a hairless area on the subject's head.

The present invention relates to a helmet-type magnetic stimulation device for providing non-invasive treatment by applying a magnetic field to cranial nerve cells or scalp cells, the helmet-type magnetic stimulation device comprising: a helmet-type case part; a magnetic field generation part for generating a magnetic field in order to apply a magnetic field to the head; and a fixing part installed on one inner side of the case part to fix and support the magnetic field generation part at a predetermined position on the head. Therefore, the present invention includes a magnetic field generation part for generating a magnetic field in order to apply a magnetic field to the head, inside the case part.

A cover for a heat exchanger cap, the cover being provided with one or more internal straps, the or each internal strap being connected to one or more control elements located externally of the cover. The control element or elements being operable, when the heat exchanger cap is located on a patient's skull and the cap cover is located on the heat exchanger cap, to increase or decrease the pressure applied by the or each internal strap to the cap cover.

The invention provides a phototherapy device and a using method of the phototherapy device, and belongs to the technical field of medical instruments, and the device comprises an electroencephalogram collection module which is used for collecting an electroencephalogram signal of a target person and converting the electroencephalogram signal into a digital signal; the phototherapy module is used for outputting light with target power to the skull of the target person after starting to work; the temperature detection module is used for detecting the scalp temperature of the target person; and the data analysis and control module is used for controlling the phototherapy module to start working under the condition of determining that the target person enters a non-rapid eye movement sleep window period based on the digital signal, and controlling the phototherapy module to stop working under the condition of determining that the scalp temperature exceeds a preset temperature threshold. The optimal treatment window of the target person can be determined by identifying the electroencephalogram signals, and the technical problem that an existing phototherapy device is poor in use effect is solved.

The invention provides a self-adaptive pressure balancing method and system for an electroencephalogram acquisition helmet, and relates to the technical field of data processing.The method comprises the steps that pressure data of each spring contact point in an initial wearing state is acquired through piezoresistive sensors arranged at the contact ends of springs in a spring array; mapping the pressure data of each spring contact point into a two-dimensional pressure heat map; a convolutional neural network is adopted to extract image features of the two-dimensional pressure heat map; adopting a random forest to classify the head forms of the users; determining an ideal pressure value of each spring contact point by taking maximization of pressure balance and tissue compliance as a target in combination with the head type of the user; and the tension of each spring is adjusted in real time by adopting a PID (Proportion Integration Differentiation) control algorithm. The pressure of each spring can be adaptively adjusted according to the head shape of a wearer, good contact between the electrodes and the scalp is kept while the comfort of the wearer is improved, and the collection effect of electroencephalogram signals is improved.

The utility model relates to the technical field of medical instruments, in particular to an electroencephalogram electrode fluid infusion device. The device comprises a flexible liquid storage pipe, a liquid outlet pipe, a control assembly and an adjusting assembly, the control assembly comprises a ball seat fixed to the liquid outlet end of the liquid outlet pipe, a ball valve movably embedded in the ball seat, a tightening latch movably arranged in the liquid outlet pipe in a penetrating mode, a connecting seat with one end fixed to the bottom of the tightening latch and the other end abutting against the upper portion of the ball valve, and a cleaning sub-assembly arranged below the liquid outlet pipe, wherein the top of the cleaning sub-assembly is fixed to the lower portion of the ball valve. The cleaning sub-assembly comprises a first connecting rod penetrating through the lower wall face of the ball seat and fixed to the lower portion of the ball valve, second connecting rods symmetrically fixed to the two sides of the lower portion of the connecting rod, mounting rings fixedly arranged at the outer ends of the two second connecting rods in a sleeving mode and water absorption pads detachably connected to the bottoms of the mounting rings in a sleeving mode. The outer wall of the control assembly abuts against the inner wall of the liquid outlet pipe, and the inner wall of the control assembly abuts against the tightening latch. According to the device, redundant paste dripping onto the scalp of a patient can be cleaned, and the discomfort of the patient is reduced.

The embodiment of the invention discloses an epileptic region positioning method, device and system and a computer readable storage medium. The objectivity and accuracy of epileptic region positioning can be improved. The scalp electroencephalogram positioning module obtains scalp electroencephalogram data of a user, and obtains a first epilepsy region positioning result according to the scalp electroencephalogram data; the image positioning module obtains medical image data of the brain of the user and obtains a second epilepsy region positioning result according to the medical image data; the intracranial electroencephalogram positioning module obtains intracranial electroencephalogram data collected by an intracranial electrode, and obtains a third epilepsy region positioning result according to the intracranial electroencephalogram data; the fusion positioning module constructs a three-dimensional digital brain anatomical model according to the medical image data, and superimposes and fuses the first epileptic region positioning result, the second epileptic region positioning result and the third epileptic region positioning result to the three-dimensional digital brain anatomical model to obtain a first fusion positioning result.

The invention relates to the technical field of shaping and correcting instruments, and discloses a neonatal head shape correcting and shaping device which comprises a helmet, a head sleeve is fixedly connected to the inner wall of the helmet, an exhaust fan is fixedly connected to the top of the helmet, ear grooves are formed in the two sides of the helmet, ear grooves are formed in the two sides of the head sleeve, and a discharging mechanism comprises a pressing ring. The pressing ring is fixedly connected with the inner wall of the head sleeve, the two sides of the pressing ring are fixedly connected with side rings, the side rings are fixedly connected with the inner wall of the head sleeve, and the inner wall of the pressing ring is slidably connected with a cleaning rod. By arranging the discharging mechanism, airflow is input into the side ring through the cavity in the head sleeve and discharged outwards through the discharging disc in the side ring, the head of an infant is effectively cooled through the airflow, and the situations that the head of the infant sweats too much, scalp blood circulation is possibly affected, and the sleep quality is affected due to the fact that part of infants are stuffy, dysphoria and crying of the heads are avoided; according to the scheme, the technical problems in the fields of biomedical engineering industry and the like can be solved.

A heat exchanger cap and method of producing the same which is configured to be worn on a human head to regulate the temperature thereof. The cap comprising a layer of material defining a single passageway through which a heat transfer fluid may flow and extending from a single inlet to a single outlet, the material layer having a first side for contact with the head and a second side which, in use, will face away from the head.

A method of operation of a compute system includes: receiving patient images by an head ailment artificial intelligence (AI) including a multi-task decoder block; concurrently generating a scalp segmentation and a hair loss heat map from the multi-task decoder block of the head ailment AI; generating a composite hair loss image based on the hair loss heat map and a quadrant computation of the scalp segmentation; and generating a SALT score based the hair loss heat map and the composite hair loss image for displaying on a device.

The invention relates to a magnetoencephalography registration method, a magnetoencephalography registration device, magnetoencephalography registration equipment, a storage medium and a program product. Generating a helmet face model including the first facial feature of the testee and the first marker feature corresponding to the marker arranged on the brain magnetic helmet; according to the brain nuclear magnetic data of the testee, generating a scalp face model including a second facial feature of the testee; according to the design parameters of the brain magnetic helmet, acquiring a helmet device model comprising second marker features corresponding to the plurality of markers; registering the helmet face model with the scalp face model according to the first facial feature and the second facial feature to obtain a registered helmet face model including the registered first marker feature; and according to the registered first marker feature and the second marker feature, registering the helmet device model with the registered helmet face model to obtain a registered helmet device model.

According to one aspect, the present description relates to a portable device (10) for acquiring electroencephalographic (EEG) signals emitted by a user. The portable device comprises a flexible support (11) intended to fit a localized region of the skull of the user and a set of sensors (13) of electrical signals generated by the neuronal activity of the user, arranged on said support (11) so as to form contacts with the scalp when the device is worn by the user. For each sensor, an electronic circuit for filtering and amplifying electrical signals detected by said sensor is incorporated in the flexible support (11) and forms, with said sensor, an active electrode. The portable device also comprises a housing (12) comprising an electronic system for processing signals from said electronic filtering and amplification circuits, said housing being linked mechanically to the flexible support to form, with said support, a means of attachment to a garment or accessory intended to be worn by the user.