93 results about "Contraction bands" patented technology

The invention provides a contraction band anti-interference gate valve. The contraction band anti-interference gate valve has the advantages of being capable of realized automatic fine adjustment of the connection length, capable of being conveniently connected to pipes with different pipe diameters and easy to install. The contraction band anti-interference gate valve comprises a valve body, a valve deck, a valve rod, an opening and closing part and an opening device, wherein the valve body is provided with with a hollow fluid channel; the valve body is provided with an inlet, an outlet and an upper valve port; the valve deck is arranged at the upper valve port in the valve body; a valve seat is further arranged between the inlet and the outlet in the valve body; the opening and closing part is arranged on the valve seat and is used for controlling the on-off states of fluid; the valve rod penetrates through the valve body and is used for controlling opening and closing of the openingand closing part; a connecting pipe capable of spirally sliding relative to the valve body is arranged at the inlet or the outlet of the valve body in a sleeved mode; a sealing device and a connecting pipe limiting device for preventing the connecting pipe from falling off from the valve body are arranged between the connecting pipe and the inlet or the outlet; a quick dismounting and mounting structure is arranged between the connecting pipe and the valve body; and a rolling device capable of enabling the connecting pipe to spirally slide along the valve body is further arranged between theconnecting pipe and the valve body.

The invention discloses a vacuum storage box and an application thereof. The vacuum storage box is composed of a box body 1, a plastic sleeving bag 2, a contraction band 3 and a box cover 4. A circle of sealing strip 1-1 is arranged on the outer side at the upper edge of the box body 1, a one-way exhaust hole 1-2 is arranged in the middle of one wall of the outer side of the box body 1, four corners of the box body 1 protrude, and a groove 1-3 is arranged at the center of the box body 1, accordingly, mechanical carrying is facilitated; the plastic sleeving bag 2 with the opening larger than the outer edge of the box body 1 is made of a flexible material, sleeved above articles accommodated in the box body 1 and tightened and folded at the position of the sealing strip 1-1; the contraction band 3 is sleeved outside the plastic sleeving bag 2 and binds and fastens the plastic sleeving bag 2 at the position of the sealing strip 1-1, and air in the box body 1 can be exhausted from the one-way exhaust hole 1-2 through extrusion or pumping after the box body is sealed; and the box cover 4 horizontally covers the plastic sleeving bag 2 after exhaust compression and can also be hung on a bottom frame of the box body 1 with rubber band hooks on two sides, so that the plastic sleeving bag 2 is protected. According to the vacuum storage box and the application thereof, holding and arranging of articles is convenient and fast, held articles can be greatly higher than the opening edge of the box body, and sealing and compression of the box body is not affected, so that the storage capacity is increased; the storage box is strong and durable, and the storage box can be used continuously as long as a novel plastic sleeving bag is changed even if the easily-damaged plastic sleeving bag is damaged; and top space of furniture can be used easily and effectively by cooperation of a household intelligent folding ladder.

The invention provides an equal-proportion acupoint gauge which can retract in equal proportion for measuring and determining each acupoint of a human body. In the gauge, a stretching rod is controlled through a stretching rod controller to ensure retraction and fixture of a stretching arm, so that a contraction band (ruler) with equal graduation is stretched in equal proportion to convert an acupoint positioning standard for different human bodies. The equal-proportional acupoint gauge is mainly used for Chinese medical acupuncture teaching and accurate acupoint positioning clinically.

The invention discloses a biologic sclera contraction band and a preparing method thereof. The biologic sclera contraction band is in a band as a whole; the cross section of the biologic sclera contraction band is arc-shaped; the biologic sclera contraction band is thickest in the middle and gradually becomes narrower from the middle to the two sides through arc-shaped transition; the whole length of the biologic sclera contraction band is 3-40mm; the middle thickness of the biologic sclera contraction band is 1-3mm; the thickness of the two sides of the biologic sclera contraction band is 0.5-2mm; the band width of the biologic sclera contraction band is 3-8mm. The biologic sclera contraction band can be applied to combination with a biologic posterior sclera reinforcing band, can contract sclera and limit the expansion of the sclera, is used for treating high myopia macular retinal detachment, full retinal detachment and other certain non-incremental retinal detachments and better keeps and protects retinal structures and functions. The base material of the biologic sclera contraction band is taken from the trachea, ligament, trunk vessel or cartilage of an animal, the strength is increased through genipin cross-linking solidifying treatment, the elasticity and the hardness are proper, and the biologic sclera contraction band cannot be easily absorbed, has great tissue compatibility, causes few complications and overcomes the defects of the conventional retinal detachment intra and extra surgeries.

The invention discloses a medical cervical vertebra machine. The machine comprises a neck massager and a back massager, shells, soft leather layers, a plurality of massage heads and a plurality of redlight heaters are arranged on both the neck massager and the back massager, the neck massager and the back massager can massage the neck and the back of a patient, the neck massager and the back massager are connected with a remote controller through circuits, and the remote controller can adjust the proper massage intensity and mode according to the requirements of a user; a correction rod is arranged in an inner cavity of the back massager, and the correction rod has the effects of preventing the humpback and correcting the posture; contraction bands are connected to two sides of the back massage, B-shaped buckles are arranged on the contraction bands, and the contraction bands can be contracted or lengthened through the B-shaped buckles. According to the medical cervical vertebra machine, the neck massager and the back massager are arranged, the machine helps to improve the blood circulation of the back and neck, the stiff muscles of the neck and the back are effectively relieved,and meanwhile the machine further has the effects of preventing the humpback and correcting the posture.

The invention discloses a block distribution type test cap. The test cap comprises a test cap body and test cap bandages, and the test cap body comprises a first temporal lobe distribution block, a frontal lobe distribution block and a second temporal lobe distribution block, wherein the first temporal lobe distribution block, the frontal lobe distribution block and the second temporal lobe distribution block are connected through contraction bands in sequence. In the test cap, the block distribution mode is adopted, the distribution blocks are connected with one another through the contraction bands adjustable in length so that the distance between the distribution blocks can be adjusted so as to determine the position of each distribution block at the head of a patient, and the acupuncture points which need to be tested can be more accurately found; by means of soft materials arranged on the inner side of each distribution block, the patient can feel more comfortable in the testing process; through adjustable buckles on the test cap bandages, the degree of tightness can be adjusted, none-binding quick release buckles are adopted in the bandages, and the clinical operation is simpler; the block distribution mode is adopted in the test cap so that the manufacturing materials can be saved, and the manufacturing cost can be reduced.

The invention relates to the technical field of welding devices, in particular to a steel belt reinforced PE helical bellow welding device and an application method thereof. The steel belt reinforced PE helical bellow welding device comprises a box body, a first stepping motor, a second stepping motor, a horizontal and telescopic supporting arm, a vertical and telescopic supporting arm and a welding gun assembly; the left end of the horizontal and telescopic supporting arm and the lower end of the vertical and telescopic supporting arm are fixedly installed together; and the second stepping motor is fixedly installed at the top end of the vertical and telescopic supporting arm. The application method of the welding device comprises the following step that a hot contraction band is wound on a hot contraction band winding drum. The steel belt reinforced PE helical bellow welding device is convenient to use, has the advantages of being high in adaptability, good in continuity and high in operation efficiency, can relieve the labor intensity of operation personnel and thus has the characteristics of being reliable in operation, high in efficiency and good in safety. Through the application method, the effect that the joint of steel belt reinforced PE helical bellows is welded from the inner side can be achieved effectively and precisely, the stability and reliability of operation can be ensured, and the time and manpower cost are greatly reduced.

The invention relates to a garment provided with a urethral catheter and made of thermal fabrics. The garment comprises a garment body (1). A storage sleeve (2) is arranged at a crotch of the garment body (1), two contraction bands (3) are arranged on the storage sleeve (2), the long flexible catheter (4) is arranged at the bottom of the storage sleeve (2), an opening (5) is formed in a buttock of the garment body, and the flexible catheter (4) penetrates the garment via the opening (5). The garment body is made of the fabrics, the fabrics comprise middle layers, super-fine staple heat-insulation cotton layers, surface layers and linings, the middle layers are combined non-woven cloth layers, and the combined non-woven cloth layers are positioned in the middles of the thermal fabrics and sequentially comprise woven spunbond non-woven cloth layers, PE (polyethylene) waterproof layers and spunbond non-woven cloth layers from top to bottom. The garment has the advantages that urine of patients can be conveniently drained by the aid of the garment, and excellent thermal effects can be realized by the fabrics of the garment.

The invention relates to a medical fabric garment with a urethral catheter. The medical fabric garment comprises a garment body (1); a storage sleeve (2) is arranged at the crotch of the garment body (1); the storage sleeve (2) is provided with two contraction bands (3); a long flexible catheter (4) is arranged at the bottom of the storage sleeve (2); an opening (5) is formed in the hip position of the garment body; the flexible catheter (4) extends out of the garment through the opening (5). The garment body is made of a fabric; and the fabric sequentially comprises an isolation layer formed by a thermoplastic polyurethane film, a protective layer formed by a polypropylene fiber fabric, a protection layer formed by a polytetrafluoroethylene film and a bottom layer formed by a weft-knitted or warp-knitted fabric made of natural fibers, synthetic fibers and regenerated fibers from top to bottom. The medical fabric garment has various functions of prevention from blood permeation, waterproofness, resistance to bacteria, moisture permeability and the like.

The invention relates to a thermal garment with a urine bag. The thermal garment comprises a garment body (1), the square urine bag (2) is arranged on a leg portion of the garment body (1), a triangular collection bag (3) is arranged at a crotch portion of the garment body (1) and provided with two contraction bands (4), and the urine bag (2) is connected with the collection bag (3) through a guide tube (5). The garment body (1) is made of a fabric formed by interweaving warps and wefts, and the warps and the wefts are in hollow structures and axially provided with through holes in center. A worker occupied in special job or a special person inconvenient to go to the bathroom can wear the garment to pee at ease, so that embarrassment and uncomfortableness can be relieved. The thermal garment with the urine bag is effective in thermal preservation.

The invention discloses a method for improving the mechanical strength of a cylindrical voltage regulation coil, which relates to method for improving the mechanical strength of the cylindrical voltage regulation coil at a 90-degree bending part of a wire cake outlet head and solves the problem that the existing cylindrical voltage regulation coil is bad in mechanical strength at the 90-degree bending part of the wire cake outgoing head. The method comprises the following steps: binding and fixing an outlet wire cake of the cylindrical voltage regulation coil by using a contraction band; peeling off an original insulation layer at the 90-degree bending part of the outlet wire cake; supplementing to the thickness of the original insulation layer by using Denison insulation paper; adding a paper groove with a thickness of 0.5mm between the 90-degree bending part of the outlet wire cake and an adjacent wire coil; packing Denison insulation paper outside the paper groove, wherein the Denison insulation paper packed at the 90-degree bending part of the outlet wire cake is 50mm in length when packed inwards and 40mm in length when packed outwards; and binding the screen of the cylindrical voltage regulation coil with a PET (polyethylene glycol terephthalate) band by utilizing a PET band packing machine. The method has the advantage of improving the mechanical strength of the cylindrical voltage regulation coil at the 90-degree bending part of the wire cake outlet head.

The invention relates to a radiation-proof garment with a urine bag. The radiation-proof garment comprises a garment body (1), the square urine bag (2) is arranged on a leg portion of the garment body (1), a triangular collection bag (3) is arranged at a crotch portion of the garment body (1) and provided with two contraction bands (4), and the urine bag (2) is connected with the collection bag (3) through a guide tube (5). The garment body (1) is made of a fabric which comprises a fabric body, and a conductive film is arranged on the surface of a metalized fiber layer which is attached to the surface of the fabric body. A worker occupied in special job or a special person inconvenient to go to the bathroom can wear the garment to pee at ease, so that embarrassment and uncomfortableness can be relieved. The garment is resistant to radiation.