8results about How to "Avoid stinging" patented technology

The utility model relates to the technical field of fruit tree pruning, in particular to a fruit tree pruning machine which comprises a sleeve shell and branches, clamping plates are fixedly installed on the upper side and the lower side of one end of an opening of the sleeve shell, a rotating shaft is installed between the clamping plates on the upper side and the lower side in an inserted mode, and the upper end and the lower end of the rotating shaft are fixedly connected with the clamping plates on the lower side. A first shearing tool bit and a second shearing tool bit are rotationally installed on the outer wall of the rotating shaft, and clamping structures are arranged on the upper side and the lower side of the first shearing tool bit and the upper side and the lower side of the second shearing tool bit. When the handle is pressed, the electric motor is triggered to drive the first shearing tool bit and the second shearing tool bit to rotate mutually to shear branches, so that the effect that the branches of the fruit trees can be stabilized and sheared with one hand is achieved, the branches are prevented from being cut by the electric cutting pliers or stabbed by insects on the trees, the shaping and pruning efficiency of fruit farmers on the fruit trees is improved, and the pruning safety of the fruit trees is also improved.

The application belongs to the technical field of flexible conductive materials for medical rehabilitation devices, and discloses a semi-invasive antibacterial electric stimulation rehabilitation hydrogel flexible electrode, which is prepared from a PVA-CMC-Na-HA-calcium propionate four-element synergistic system hydrogel and is surface-modified by sodium L-lactate; a three-dimensional network is constructed through one-pot physical crosslinking, polyvinyl alcohol and sodium carboxymethyl cellulose form a hydrogen bond interpenetrating network, hydroxyapatite is used as a rigid filler for reinforcement, and calcium propionate simultaneously acts as an ionic crosslinking agent and an electrolyte; sodium L-lactate forms a hydrophobic-hydrophilic gradient layer on the surface of the hydrogel in situ through an esterification reaction. The application solves the problems of mechanical mismatch, high impedance, poor biocompatibility of traditional metal electrodes, and the difficulty of simultaneously considering the strength, toughness and lubricity of existing hydrogels, realizes the mechanical properties of strong outside and tough inside of the electrode, has excellent biocompatibility and low impedance electric stimulation performance, does not need external conductive paste, and improves the comfort and safety of pelvic floor muscle rehabilitation treatment.

The utility model relates to the technical field of orthodontic instruments, in particular to a chiffon-type open retainer for retaining after orthodontic treatment, which comprises an upper jaw component and a lower jaw component, and each of the upper jaw component and the lower jaw component comprises a base plate, a hyperbolic labial arch, a connecting steel wire and a snap ring. The clamping ring and the hyperbolic labial arch are integrally formed and arranged on the two sides of the hyperbolic labial arch, the hyperbolic labial arch and the clamping ring are arranged around the closed end of the base plate and connected with the base plate through a connecting steel wire, and the end, away from the hyperbolic labial arch, of the clamping ring extends into the base plate; a tongue grating is arranged on the base of the upper jaw assembly, and a rear tooth jaw pad is arranged on the base of the lower jaw assembly. The retainer disclosed by the utility model can maintain the stability of tooth arrangement, restrain the recurrence trend, assist in controlling jaw position change and improve the long-term stability of orthodontic treatment.

The present invention discloses a gel cover for a massage head of a neck massager, comprising a conductive support net and a base body made of a flexible or elastic material, wherein a first receiving space adapted to the shape of the massage head is provided on the first side of the base body for receiving the massage head so as to sleeve the base body on the massage head; a second receiving space connected to the first receiving space is provided on the second side of the base body for receiving at least a conductive gel sheet, and when the conductive gel sheet is received in the second receiving space and the base body is sleeved on the massage head, the conductive support net is located between the conductive gel sheet and the electrode sheet arranged at the end of the massage head, and is used to electrically connect the conductive gel sheet with the electrode sheet arranged at the end of the massage head and to support the conductive gel sheet. The conductive gel sheet is also used to contact the part of the human neck to be massaged. The present invention also provides a massage head assembly and a neck massager comprising the gel cover. The present invention can effectively avoid tingling caused to the skin during use.

The utility model relates to an ear vagus nerve stimulator which comprises a first stimulation head and a second stimulation head which are used for acting on different acting positions in an ear cavity, and further comprises a control module and a power supply module which are respectively connected with the first stimulation head and the second stimulation head in an electric signal mode, and the power supply module is connected with the control module in an electric signal mode. The first stimulation head and the second stimulation head comprise at least two electrode groups which are connected in parallel, each electrode group comprises a first electrode matched with the first stimulation head and a second electrode matched with the second stimulation head, and the first electrode and the second electrode in each electrode group are electrically connected with the power supply module to form a conductive path. According to the ear vagus nerve stimulator, the acting current is increased on the basis that the voltage is not increased, and adjustment of different stimulation intensities is achieved.

The invention discloses a bee growth and development detection and intelligent regulation and control device in the technical field of bee breeding, and the device comprises a beehive, the top of the beehive is detachably connected with a beehive cover, the bottom of the beehive is provided with a motor, an output shaft of the motor is fixedly connected with a screw rod and extends to the top of the beehive, and the screw rod is rotatably connected with a nut seat; one side of the nut seat is rotatably connected with a camera, the bottom of the camera is provided with a remote control wheel, the nut seat is provided with a sliding rail corresponding to the remote control wheel, a sliding shell is installed in the beehive, the top and the bottom of the nut seat are fixedly connected with pistons, the pistons are in vertical sliding fit with the inner wall of the sliding shell, and a ventilation opening is formed in the beehive; the ventilation opening and the beehive are communicated with a ventilation pump, an entrance is formed in the beehive, an activeness detection system is arranged at the entrance, a temperature and humidity regulation and control system and a neural network detection system used for detecting the growth state of bees are installed on the beehive, a material taking system is installed in the beehive, and an observation system is arranged on the beehive cover. The device is simple in structure and high in practicability.

This invention discloses a vibration-type respiratory sputum clearance device, relating to the field of medical device technology. It includes a vest body. Multiple independent liquid-coupled vibration units are arranged on the inner side of the vest, corresponding to the upper and lower lobes of both lungs and the projected lung region on the back. Each liquid-coupled vibration unit includes a sealed liquid-sealed bag, and a vibration unit is disposed on the outer side of each sealed liquid-sealed bag. The sealed liquid-sealed bag is integrally embedded and fixed in a flexible interlayer on the inner side of the vest. The interior of the sealed liquid-sealed bag is filled with a vibration-transmitting liquid. The vibration-transmitting liquid filled in the sealed liquid-sealed bag of this invention, relying on its incompressible and highly fluid physical properties, can efficiently transmit and convert the high-frequency micro-vibrations generated by the double-layer piezoelectric sheet, forming a dual mechanical action of shallow loosening and deep oscillation, perfectly adapting to the sputum clearance needs of the soft tissues of the chest and back and the deep airways of the thoracic cavity.

The orthopedic medical parallel shoulder ultrasonic massage nursing robot is characterized in that the robot comprises a bed body and a massage mechanism, a control host is fixedly installed below the bed body, a mechanical arm is fixedly installed above the bed body, and the massage mechanism comprises a shell fixedly installed on the mechanical arm; a first motor is fixedly installed in the shell, a rotating disc is fixedly installed below the first motor, a fixed cylinder and a sliding cylinder are symmetrically arranged on the two sides of the bottom of the rotating disc respectively, an ultrasonic massage instrument is slidably installed in the fixed cylinder, a lubricating assembly is slidably installed in the sliding cylinder, and a visual sensor is fixedly installed at the circle center of the bottom of the rotating disc. A sliding groove is formed in the front end of the bed body in a penetrating mode, and an auxiliary assembly is slidably installed in the sliding groove. By arranging the massage mechanism, the ultrasonic massage instrument does reciprocating circular motion on the periphery of the acupuncture point through rotation of the rotating disc, so that ultrasonic waves are prevented from staying on the acupuncture point for a long time, and the acupuncture point is prevented from being stabbed.