59 results about "Close wounds" patented technology

A surgical clip applier for use in closing wounds under the microscope in small blood vessels modifies a well-known clip applier system to make more steady and reliable the application of very small clips during surgery on a scale of vessel size of 2 mm in external diameter and smaller. The known device is modified internally so as to be capable of receiving a flexible remote actuation device which can be a cable release such as used for a camera shutter, or which can be a flexible hydraulic or pneumatic line as a force-transmitting device. Thus, the surgeon can hold the clip applier very steadily at the site desired without contracting any intrinsic muscles while the cable release is depressed by another person, or with the surgeon's other hand, or with a foot pedal.

A guidewire assembly including a repeatably inflatable occlusive balloon on a guidewire ensheathed in a close wound spiral coil. The guidewire assembly is used as part of a guidewire occlusion system.

A scar reducing device for stretching skin having a closed wound therein is provided. The device is for reducing scar formation. The device comprises first and second fasteners removably attachable to skin regions located proximate to the wound. The device also comprises an extension mechanism cooperating with said first and second fasteners. The extension mechanism is movable between contracted and extended configurations. When the fasteners are affixed to the skin, the mechanism forces the first and second fasteners away from one another with a predetermined tensile force, stretching the skin proximate to the wound. Use of the device is also provided, along with a method for reducing scarring of a closed wound.

A device and method for treatment of post-operative surgical site wounds. Device includes an elongated hollow shaft that spans from the wound closure to the deep wound area, the internal end abutting a wound dressing and the external end connecting to a device that can provide negative-pressure suction and irrigation. Device providing one or more of irrigation, suction, and / or local antibiotic delivery to deep infections through a closed-wound. The method for removal includes narrowing a removal element relative to the long axis, collapsing the wound dressing; removing the wound dressing through the elongated shaft; and removing the device through a closed wound, avoiding a second removal surgery.

Skin sealants are usually applied over skin preps to seal the skin and hold any remaining bacteria in place prior to surgical incisions. This sealant is generally left on the skin after surgery. A skin coating is provided that has an indicator that gives a visible color change upon contact with microbes or microbial by-products and so provides an early warning of infection. The coating is a curable coating composition that may also be used without skin preps and may be used to protect other disruptions in the skin like wounds, bruises, abrasions, burns, acne, blisters, bites, stings, punctures and cuts. It may also be used to close wounds or provide an additional barrier to other parts of the skin, such as the nails and mucosa.

Defibrillator lead designs and methods for manufacturing a lead including attachment strength between a fibrosis-limiting material covering, a shocking coil electrode, and an implantable lead body are disclosed herein. The shocking coil electrode includes a close wound tri-filar or greater coil.

A container (10) for a closed wound drainage system which includes a screw-actuated piston (32) sealingly located in a cylinder (30) of non-circular shape to define, inside the cylinder (30), a fluid-receiving volume of variable size.

The invention discloses a closed wound surface dressing device internally provided with washing instillation tubes. The dressing device comprises a first dressing layer and a second dressing layer, the multiple internally-arranged washing instillation tubes, a main tube, a negative pressure drainage tube and an externally-arranged washing instillation tube, wherein the first dressing layer and the second dressing layer are vertically arranged. The aperture of materials for manufacturing the second dressing layer is larger than that of materials for manufacturing the first dressing layer. The convergence ends of the internally-installed washing instillation tubes arranged between the first dressing layer and the second dressing layer are connected with the near end of the main tube. The far ends of the internally-installed washing instillation tubes are arranged on the edge of the first dressing layer. The main tube is perpendicularly arranged on the second dressing layer, and an opening in the far end of the main tube is formed outside the second dressing layer. The externally-arranged washing instillation tube is arranged inside the negative pressure drainage tube, the near end of the externally-arranged washing instillation tube is connected with the main tube, and the far end of the externally-arranged washing instillation tube penetrates out of the negative pressure drainage tube. The near end of the negative pressure drainage tube is provided with a suction-cup-shaped opening attached to the second dressing layer. The closed wound surface dressing device is simple in structure, low in cost and capable of effectively reducing the negative pressure wound surface treatment complication, and the treatment effect is improved.

A method for managing a closed incisional wound that includes at least one elastomeric drain inserted partially into the wound, an open cell foam sponge in flow communication with the drains and wound, and to which negative pressure is applied by a vacuum source. The negative pressure is transmitted into the otherwise closed wound in order to improve drainage and expedite wound healing.

The invention relates to multifunctional natural polysaccharide repair adhesive hydrogel, a preparation method and application thereof in preparation of drugs for treating skin injury, and belongs tothe technical field of material science. Natural polysaccharide is used as a raw material, and functional group modification is performed on the natural polysaccharide to enhance the tissue adhesiveness of the natural polysaccharide; then magnesium oxide nanoparticles are added into an aldehyde-modified glucan solution in advance, so that the gelling time can be further shortened, and the antibacterial effect is enhanced; therefore, the repair adhesive hydrogel which has good biocompatibility and tissue adhesiveness and can effectively close wounds is constructed. The whole process is simple to operate, the raw materials are easy to obtain and low in price, and the natural polymer functional groups have good biocompatibility after being modified and are non-toxic and harmless to cells. Thepolysaccharide is subjected to catechol modification and aldehyde modification, so that the water solubility of chitosan is enhanced, the viscosity of a glucan solution is reduced, the gelation timeof the two-component gel is shortened, and the gel can be endowed with relatively strong tissue adhesion.

The invention relates to a manufacturing process of coil tubes in equipment, which comprises the following steps of: (1) performing the test and calculation of springback amount on enwinding materials according to the shape and curvature of the shell wall of a set of large equipment and manufacturing an enwinding die; (2) arranging parison tubes of multiple groups of wall sticking coil tubes sequentially, machining welding beveled edges at splicing positions, positioning and compressing the parison tubes by using a clamp, welding the parison tubes, polishing the surplus height of welded joints, and detecting the flaws in the welded joints to check if the welded joints are qualified; (3) determining an initial position on the die, and enwinding the parison tubes of multiple groups of wall sticking coil tubes on the die continuously; (4) performing stress relieving and setting on the wall sticking coil tubes formed by enwinding; and (5) putting the wall sticking coil tubes formed by enwinding into the large equipment, determining an initial position on a shell wall of the large equipment according to a positioning block, and bonding the wall sticking coil tubes formed by enwinding on the shell wall of the large equipment closely under the action of a close-sticking device. The manufacturing process has the advantages of convenient operation, high machining efficiency, easy guarantee of product quality and little loss of raw materials during the welding of the parison tubes of the wall sticking coil tubes.

A gliding stitch technique provides efficient and effective means to close a wound under tension. The gliding stitch is especially useful in treating wounds found within thick skin such as a scalp or back wound. The disclosed suture method may be used upon humans and other mammals.

The invention discloses a convenient thoracic cavity sealing device, belonging to the field of medical appliances, and particularly relates to a medical device for sealing a thoracic cavity. The convenient thoracic cavity sealing device is characterized in that: the opening of the thoracic cavity is covered with a dressing surface which is made of a biological material; a haemostatic material is paved on the dressing surface; the dressing surface faces towards an inner thoracic cavity; strip-shaped bendable and deformable support frames are uniformly paved on the back part in a separate manner; the back part is stuck to the middle part of a plastic film with a strong viscous force; wide bonding tapes are remained at the periphery to penetrate through the dressing surface and the plastic film and be embedded into a sheet type supported single-way valve so as to be connected to a closed thoracic drainage tube; the single-way valve is a transparent film; and a removable adhesive film in the same size is also covered on the surface of the plastic film. The convenient thoracic cavity sealing device has the positive effects that: the convenient thoracic cavity sealing device can seal the thoracic cavity rapidly and efficiently to change an open wound into a closed wound; the convenient thoracic cavity sealing device fixes firmly, is not easy to drop and is convenient to transfer the wounded; and in comparison with a current way of simply filling the thoracic cavity with gauze or dressing, the convenient thoracic cavity sealing device after being implemented improves the success rate of salvage at scene of open thoracic trauma greatly.

The invention relates to a peptide fragment-containing cyanoacrylate derivative, wherein the structure of the derivative is shown by a formula I, a formula II and a formula III, respectively. The ethylenic bond in the derivative can be initiated by anions to quickly carry out intermolecular polymerization and generate adhesive-glue adhesive capacity; the peptide fragment-containing cyanoacrylate derivative can be independently used or can be combined with other cyanoacrylate substances for use; moreover, the peptide fragment-containing cyanoacrylate derivative can be used as a degradable medical adhesive for adhering the wound, stopping bleeding for the large-area wound, as well as closing wounds of the internal organs and soft tissues; and besides, the peptide fragment-containing cyanoacrylate derivative also can be used as a universal modification way of peptide for slow release, and further also can be used for preparing tissue engineering materials.

This invention relates to methods and compositions for degrading collagen in mammalian skin, thereby improving the appearance and / or reducing the size of a closed wound, which may be a scar or a keloid and cellulite or other conditions wherein excessive collagen is a problem.

The invention discloses a medical bleeding stopping dressing, a preparation method and an application of the preparation method. The medical bleeding stopping dressing provided by the invention comprises the following raw materials in parts by weight of 0.5-2 parts of recombinant collagen, 1-5 parts of a water soluble polymer, and 0.2-1 part of a water retention agent. The medical bleeding stopping dressing provided by the invention has high water absorption and blood absorption properties, the moisture absorption multiplying power is 50-300 times of self weight of the medical bleeding stopping dressing, wound liquid can be effectively eliminated, and the medical bleeding stopping dressing has obvious bleeding stopping effects on bleeding wounds. The water retention agent and the water soluble polymer are added, so that the dressing is soft and smooth in surface and free from adhesion, and secondary damage of the wounds in the bleeding stopping and wound cleaning process can be avoided. In addition, the raw materials are the recombinant collagen, medicine carrying capacity is high, the effect of healing wounds is obvious, and the medical bleeding stopping dressing is widely applied, can be used for surgical hemostasis high in bleeding amount and elimination and treatment of common wounds, and is suitable for wounds of various stages.

A close-wound coil having a good rotation transmission performance, and a medical treatment tool using the close-wound coil. The close-wound coil is formed by winding a wire spirally and closely over a predetermined length around a predetermined first axis. The wire is formed, so that in the section vertical to a wire axis, the second moment of area concerning a second axis passing across the center of the section and vertical to the first axis is smaller than the second moment of area concerning a third axis passing across the center of the section and vertical to the second axis and parallel to the first axis.

#CMT# # / CMT# The arrangement has a covering unit i.e. reciprocally open film tube, fixed on skin that surrounds a wound. The covering unit produces a closed wound space that comprises the wound. A suction connection (10) produces a vacuum in the wound space, and the covering unit is partially permeable to water vapor. The covering unit comprises a transparent covering film, where a thickness of the covering lies within a range of 1-100 micrometer. Adherent attaching units are attached to the covering unit for adherent fastening of the covering unit at the skin surrounding the wound. #CMT#USE : # / CMT# Wound care arrangement for use in vacuum therapy for healing chronic wounds at a forearm at a body of a patient. #CMT#ADVANTAGE : # / CMT# The suction connection produces the vacuum in the wound space, and the covering unit is partially permeable to the water vapor, thus enabling healing of the wounds in a reliable manner while enabling prevention of excessive drainage of the wound. The covering unit is produced in a simple manner. The arrangement enables prevention of contamination of the wound. #CMT#DESCRIPTION OF DRAWINGS : # / CMT# The drawing shows a rear view of a suction connection of a wound care arrangement. 10 : Suction connection 11 : Flange-shaped equipment area 20 : Pipe socket 30 : Suction hose #CMT#POLYMERS : # / CMT# The covering unit is made of polyurethane polymer i.e. aromatic polyurethane polymer.

The invention discloses an up-and-down oppositely-opened cabinet door slide rail device and belongs to the technical field of a cabinet door opening device. The up-and-down oppositely-opened cabinet door slide rail device has the technical points that the up-and-down oppositely-opened cabinet door slide rail device comprises a mounting bracket; the parts of the mounting bracket, which are close to both upper and lower ends, are respectively provided with pulleys; a closed wound steel wire rope is arranged between both the upper and lower pulleys; fixed racks are also respectively arranged at both the upper and lower edges of the mounting bracket; middle rails are respectively arranged outside the upper and lower fixed racks; gears are arranged at the middle parts of the upper and lower middle rails; movable racks are arranged outside the upper and lower middle rails; the gears at the middle parts of the upper and lower middle rails are respectively meshed with the fixed racks and the movable racks at the same sides; the parts of the upper and lower middle rails, which are close to the opposite inner ends, are respectively and fixedly connected with the steel wire rope at the sides of both the pulleys by connecting pieces; and when the lower movable rack is moved, the upper movable rack is driven by the steel wire rope to move toward the opposite direction. The up-and-down oppositely-opened cabinet door slide rail device has the advantages of convenience for opening and small occupied space and is used for a cabinet door.

The invention relates to a system of skin regenerative factor repairing stretch marks under effect of electromagnetic wave, which include: electromagnetic wave generation system, temperature sensor, skin-absorption compression system,massage probe, massager, fixing band and control system. According to the system that skin regenerative factor repairs stretch marks under effect of electromagnetic wave, the application within 100 days after labor can make the closed wound of stretch marks heals quickly before being shaped, thus to effectively reduce stretch marks, accelerate the healing of cesarean delivery wound, prevent melanin pigmentation and fade scar after operation.

Cyanoacrylate adhesive compositions comprise a mixture of two cyanoacrylate monomers, including 2-octyl cyanoacrylate and n-butyl cyanoacrylate. The monomers are stabilized and sterilized by irradiation, and do not substantially increase in viscosity after sterilization or after two years of shelf storage. These compositions have anti-microbial properties, and may be used to close wounds as well as secure catheters inserted into the body in place.

The present invention relates to the field of medical devices and particularly relates to a double-arm suture clip capable of closing wound surfaces. The double-arm suture clip comprises a control assembly, and an upper suture clip assembly and a lower suture clip assembly arranged oppositely on the control assembly, and further comprises a sleeve. The upper suture clip assembly and the lower suture clip assembly each comprise a clip plate, a clip head, a front positioning pin and a rear positioning pin, the clip plates pass through both ends of the sleeve, the front positioning pins and the rear positioning pins are respectively arranged at both ends in the sleeve, and one end of each clip head is arranged on the corresponding clip plate. During use of the double-arm suture clip capable of closing the wound surfaces, release notches in the clip plates cooperate with clinch bolts on the clip plates, at the same time, when sliding rings are pulled, one end of a connector slides in a fixed seat and applies a reverse force to the sleeve, the reverse force forces the connector to separate from the sleeve, and at the same time connection places of the clip plates and clip heads also have a reverse force, so that the release notches of the clip heads release out the clinch bolts on the clip plates under the reverse force.

The invention relates to a medicine for treating wound infection after surgical operation, comprising 12 Chinese medicines including pteris vittata, angelica sinensis, elephant leather, membrana follicularis ovi, pearl powder, crinis carbonisatus, rhubarb, radix scrophulariae, panax pseudoginseng, red halloysite, myrrh and borneol, wherein the Chinese medicines bring out the best in each other, jointly strengthen the body resistance and reinforce the body, and are exact in drug properties, free of toxic and side effects, and convenient to take, and the medicine is simple in preparation technology, low in price, quick in treatment speed, reliable in therapy, and compact in formation, can expel the rottenness, extract the toxin, promote blood circulation to remove blood stasis, engender flesh and close wounds, and invigorate qi and blood, is free from sequelae, can improve the blood running condition of wounds, and is simple and easy in preparation method, so that the wound infection after surgical operation can be effectively controlled, the wound heal can be accelerated, the wound treatment can be accelerated, and the problem that the wound infection after surgical operation is unhealed after being treated by the Chinese medicines can be solved.

A gliding stitch technique provides efficient and effective means to close a wound under tension. The gliding stitch is especially useful in treating wounds found within thick skin such as a scalp or back wound. The disclosed suture method may be used upon humans and other mammals.