41results about How to "Conform to the physiological structure" patented technology

The invention discloses a method for preparing a drug-loading aortic valve based on 3D printing and the drug-loading aortic valve, aiming at solving the technical problems of an existing valve replacement technique which requires anticoagulant therapy for a long time and is poor in durability. The method comprises the following steps: acquiring medical image data of the aortic valve; on the basis of the acquired medical image data of the aortic valve, establishing an aortic valve three-dimensional model; on the basis of the aortic valve three-dimensional model, forming a drug-loading aortic valve real body through 3D printing, wherein the drug-loading aortic valve real body comprises a valve ring real body and valve leaflet real bodies; forming drug-loading layers having drug-loading porous structures on the valve leaflet real bodies of the drug-loading aortic valve real body through 3D printing; and by virtue of a micro-droplet jetting technique, jetting anticoagulant drugs into the drug-loading porous structures of the drug-loading layers and jetting growth factors into the regions, except for the drug-loading porous structures, of the drug-loading layers, so as to form the drug-loading aortic valve. The printed aortic valve has a drug sustained-release function, the aortic valve is highly bionic and is capable of improving biocompatibility.

The invention belongs to the related technical field of humanoid robots, and discloses a bionic mechanical leg which comprises a hip, a hip joint, a thigh, a knee joint, wherein the hip and the hip joint are composed of shape memory alloy, reset springs, cross shafts and screw rods, the thigh is composed of second telescopic pieces, and the knee joint is provided with two rotating shafts. Besides, the leg also includes a shank part and an ankle joint that are composed of shape memory alloy and cross shafts. The bionic mechanical leg has the advantages that the joint movement of the bionic mechanical leg is driven by the shape memory alloy, so that the bionic mechanical leg can be better matched with the physiological property of the muscle of a human body, and the three degrees of freedom at the hip joint are mutually independent, so as not to interfere with each other; and a displacement compensation structure is adopted, so that the problem that the joint is easy to block during movement is solved, and the flexibility and the precision of movement are greatly improved.

The invention relates to an eye pad for alleviating eye fatigue, which is prepared from proanthocyanidin serving as an active material, and a preparation method thereof, belonging to the technical field of health care products. The prescription of the OPCs (Proanthocyanidin) eye pad provided by the invention comprises 2g of OPCs, 3-7 g of Carbomer, 0.8-2 g of sodium carboxymethylcellulose, 0.8-2 g of polyvinyl alcohol, 10 ml of triethanolamine, 7-15 g of polyacrylic resin pressure-sensitive adhesive, 2-4 g of citric acid, 60-100 g of glycerin and 60-100 g of 1,2-propylene glycol. The eye pad has a better curative effect on symptoms like eye fatigue, dry eyes, itchy eyes and the like caused by eye strains.

The invention discloses a method for manufacturing a sanitary towel with three-dimensional leakproof enclosures. The method comprises the steps that S1: a first covering device bends the left enclosure and the right enclosure downwards along a first covering position A for primary covering; S2: an absorbent body is laid on a first uncovered section b1 of each enclosure; and S3: a third covering device bends the first uncovered sections b1 upwards along a third covering position C for ternary covering. Each three-dimensional leakproof enclosure manufactured with the method comprises an inner double-layer protection edge, an outer double-layer protection edge and a bent portion. The sanitary towel comprises the enclosures, the enclosures are arranged on the left side and the right side of the absorbed body of the sanitary towel, and the absorbent body comprises a leakproof bottom layer, an absorbent core and a liquid-pervious surface layer which are arranged from bottom to top in sequence. Compared with the prior art, the sanitary towel has the advantages of being good in leakproof effect, comfortable in use and the like.

The invention discloses an auxiliary pillow for opening an airway, and belongs to a treatment pillow. The auxiliary pillow comprises a head pillow part, a neck pillow part and a shoulder pillow part which are connected in sequence, the height of the head pillow part and the height of the neck pillow part are both higher than the height of the shoulder pillow part, and the shoulder pillow part is provided with shoulder pillow surfaces of which the heights are sequentially reduced. When the shoulders of a patient are slightly lifted up, the auxiliary pillow can be quickly inserted into the shoulders of the patient through the shoulder pillow face, so that the shoulders of the patient are fully cushioned up, the airway is fully opened. Meanwhile, the arrangement of the head pillow part and the neck pillow part conforms to the physiological structure of the human body, and the comfort of the patient is improved.

The invention relates to the field of disposable hygienic products, and provides a male mild incontinence towel with a rigid three-dimensional structure, which comprises an incontinence towel body, the length direction of the incontinence towel body is defined as the longitudinal direction, and the width direction of the incontinence towel body is defined as the transverse direction; the incontinence towel body comprises a skin-friendly surface layer, a diversion layer, a shaping layer, an absorption core body and a leakage-proof bottom layer which are sequentially laminated from top to bottom, the shaping layer comprises an upper non-woven fabric and a lower non-woven fabric, a net-shaped gasket with rigid strength is arranged between the upper non-woven fabric and the lower non-woven fabric, a first folding line is arranged in the longitudinal direction of the incontinence towel body.The first folding line coincides with the longitudinal central axis, a bonding area is arranged on the skin-friendly face layer and located on the longitudinal side of the net-shaped gasket, and when the incontinence towel body is folded along the first folding line, the bonding area adheres to the incontinence towel body to form a three-dimensional boss structure. The problems that an existing incontinence article is poor in wearing comfort, cannot be well attached to underpants and can not provide effective incontinence protection all the time are solved.

The invention discloses a male incontinence pad, which comprises an absorption body and release paper, wherein the absorption body comprises a non-woven fabric, dust-free paper and a bottom film which are bonded in sequence by using a structural adhesive; the release paper is separable; the absorption body is hopper-shaped, and both sides of the absorption body are connected through pressure sides of the bottom film. A rhombus or oval amboss is formed on the surface of the absorption body, and liquid can be absorbed gradually along the emboss, so that the absorbing effect is improved. The release paper is positioned on the inner side of the absorption body, is connected with the bottom film of the absorption body through a release adhesive, and two layers of dust-free paper are provided, so that the absorbing effect is further improved; the bottom film is a breathable composite film with high air permeability, so that the comfort is improved. The non-woven fabric is a spunlace nonwoven fabric, a hot-rolled nonwoven fabric or a hot air nonwoven fabric. The incontinence pad has the characteristics of convenience and comfort in use, good absorbing effect, high diffusion rate and the like.

The invention provides a coat with a smoke-proof device. The coat comprises a sleeve. The coat is characterized in that a smoke-proof bag is positioned at the position of a cuff and comprises a water absorption cotton cloth layer, a water storage bag, a switch and an activated carbon layer. The activated carbon layer comprises a zipper, an activated carbon storage bag, a pulling rope and a rope end hook. The activated carbon storage bag is a flat cuboid thin bag and is reeled to be stored in a waterproof bag at the position of the edge of the activated carbon layer. When the activated carbon storage bag is used, the zipper is unfastened, the rope end hook is dragged, and the waterproof bag is cracked, so that the activated carbon storage bag is unfolded from the waterproof bag. Meanwhile, the switch is turned on, so that water in the water storage bag flows to water absorption cotton cloth. The objective of smoke prevention is achieved by a method of using the water absorption cotton cloth and activated carbon simultaneously, and the smoke-proof bag is positioned on the sleeve of the coat, is convenient to use and can help users to prevent smoke and escape quickly in fires.

The invention provides a bicycle rope transmission mechanism. The bicycle rope transmission mechanism comprises a double-ratchet-wheel rear wheel, flywheels, a transmission rope, a rack, fixed pulleys, a connecting rods, pedals, a linkage rope, a rear wheel shaft and a volute spiral spring. The two flywheels are installed on the two sides of the double-ratchet-wheel rear wheel, and one end of the transmission rope is fixed to the flywheels, wound on the flywheels for a plurality of circles, then wound around the fixed pulleys installed on the rack and connected with the corresponding connecting rods. A connecting rod mounting shaft can be independently mounted on the rack, and the rear wheel shaft can also be used. The front ends of the two connecting rods are wound around the fixed pulleys installed on the rack through the linkage rope to be connected together, and pedal linkage is guaranteed. One end of the spiral spring is installed on the rear wheel shaft, and the other end is installed on the flywheels to achieve winding recovery of the transmission rope. Circumferential motion is replaced by up-down reciprocating motion during riding, work can be done by means of the gravity of a human body, the force exerting function of the human body structure is exerted to the maximum extent, the comfort of a rider is improved, the number of parts is small, machining and maintenance are easy, and large-scale popularization is easy.

The application discloses a device and method for separating of a partition bone and tendon interface bracket. The method comprises the following steps of S1, placing a plurality of tri-phase tissue slices at the bottom of a first accommodating cavity from top to bottom, so as to form a tri-phase tissue bracket with a plurality of bracket layers; S2, pressing obstructing boards to the tri-phase tissue slices, and forming a bone obstructing region, a cartilage obstructing region and a tendon obstructing region in the first accommodating cavity through the obstructing boards; wherein the bone obstructing region, the cartilage obstructing region and the tendon obstructing region are matched with a bone region, a cartilage region and a tendon region of the tri-phase tissue bracket; and S3, adding bone growth factor fluid to the bone obstructing region, adding cartilage growth factor fluid to the cartilage obstructing region, and adding tendon growth factor fluid to the tendon region. The tri-phase tissue slices prepared through the adoption of the method disclosed by the invention have bionic characteristics, and have normal tissue patterns instead of a simple leveling structure, so that the device conforms to a physiologic structure of the human body.

The invention relates to a multifunctional medical urinal, comprising a urinal body, a sucker and a top cover; the bottom of the urinal body is provided with a urine releasing pipeline provided with a urine releasing switch; the sucker is positioned at the bottom surface fixed to the urinal body; the sucker is in a frustum shape; a large end surface of the sucker contacts with the ground; the sucker is made of chemigum; the urinal body is marked with scales in a range of 0-1000ml; the urinal body is made of a fluorescent material; an embedding slot is formed in the periphery of the edge of the top cover, is matched with the edge of the urinal body, and forms an airtight space together with the urinal body. The multifunctional medical urinal has the advantages of being capable of ensuring urinating safety, monitoring urine volume, precisely reading and facilitating urination.

The utility model provides a hand sports and exercise physiotherapy gripping tool. The gripping tool comprises a sports and exercise physiotherapy gripping tool body (1), four loose piece grooves (11)are arranged on the upper surface of the sports and exercise physiotherapy gripping tool body (1) side by side, four finger loose pieces (2) are arranged in the four loose piece grooves (11), one endof each finger loose piece (2) is connected with the root part of each loose piece groove (11) through a pin (3), the bottom surface of the other end of each finger loose piece (2) is connected withthe bottom surface of each loose piece groove (11) through an elastic piece (4), the bottom of the sports and exercise physiotherapy gripping tool body (1) can be provided with a bottom plate (5) which can slide relative to the body, a thumb groove (6) is arranged at the bottom of the sports and exercise physiotherapy gripping tool body (1) or the bottom plate (5), and massage points are arrangedon at least part of the surface of the sports and exercise physiotherapy gripping tool body (1) and/or the surface of the finger loose pieces (2). According to the hand sports and exercise physiotherapy gripping tool, the finger loose pieces and a relative sliding kinematic pair can construct physiological curvature and relaxed motion amplitude, the stretching and bending exercise training of thehands and the linkage massage to the palm center are realized.

The invention discloses an electronic control stepless speed changing bicycle. The electronic control stepless speed changing bicycle comprises a frame, a saddle, a front wheel, a rear wheel, a framebox body, a handlebar, a battery and a motor, wherein the frame box body is arranged at the middle part of the frame, the saddle is arranged at the top of the frame box body, and the battery is arranged in a cross beam of the frame at the front side of the frame box body; the handlebar is arranged at the upper part of the front end of the frame, the front wheel is arranged at the lower part of thefront end of the frame, the rear wheel is arranged at the lower part of the rear end of the frame, and the motor driving the rear wheel to rotate is arranged on an axle of the rear wheel. The electronic control stepless speed changing bicycle disclosed by the invention can change speed at any time and is not limited by any riding condition; electronic control stepless speed changing is adopted, regulating range is wider, and a speed changing process is smooth; structure is reasonable, reliability is higher, and service life is long; a reciprocating pedaling way is more fit to a physiologicalstructure of a human body, and pedaling efficiency is higher; and a hinge joint of a pedal in the reciprocating pedaling way is arranged at the center of the lower part of the pedal, all the strengthof feet while pedaling can be transmitted to a crank, and loss of force is reduced.

The invention relates to an anatomic artificial bone assisting reduction of proximal humeral fractures. The anatomic artificial bone comprises an lower fixator and an upper fixator; one end of the lower fixator is connected onto the upper fixator; the lower fixator is cylindrical shaped, and the axis of the lower fixator is coincided with the axis of the human humeral shaft during use of the lowerfixator; a humeral bone plane and cylindrical hollows corresponding to intertubercular sulcus are arranged on the upper fixator; the cylindrical hollows corresponding to the intertubercular sulcus are arranged on the side face of the upper fixator; a central locator is arranged on the humeral bone plane. The anatomic artificial bone has the advantages that reference marks can be provided for reduction of the proximal humeral fractures, rapid anatomical reduction can be highly assisted in terms of quantification, bone loss is filled, a supporting platform is provided for fractures, surgical process is simplified, and the anatomic artificial bone can serve as a novel medical instrument and has extensive application prospects in clinical use.