91 results about "Closed wounds" patented technology

A tool (101) is provided for inserting and mating two plug members (2, 3) of a sealing device (1) for closing a wound in the wall of a vessel by placing the distal plug member (2) of the sealing device inside the vessel and the proximal plug member (3) on the outside of the vessel. The distal plug member is provided with an elongated retracting means (6) extending from the distal plug member. The tool comprises a gear mechanism (32) coupled to the retracting means for converting a movement of the tool in a proximal direction away from the wound (22), when the distal plug member is anchored in the vessel (20), to a pushing movement for moving the proximal plug member in a direction towards the distal plug member in response to a stretching force in the retracting means.

A closure device for closing a puncture wound has a distal section that can be placed against the interior wall of a vessel and a proximal section that bunches in the tissue tract to close the wound. One variation of the device provides for removing the distal section from the vessel so that it resides also in the tissue tract after the proximal section has been securely bunched and lodged within the tissue tract in order to provide unobstructed fluid flow in the vessel.

Sutures are used in combination with fibrosing agents to induce or stimulate fibrosis that between the sutures and the host tissues into which the sutures are inserted. Compositions and methods are described for use in lifting tissue, closing wound, and other applications.

The present invention relates to a device for adhering to the skin of a patient, suitable to make a skin incision there through, as well as to the use of such a device for allowing an incision or excision wound to be made through the said device, and for subsequent closing the wound. In particular, the device is suitable for adhering to the skin at the location the incision or excision is to be made, where after the incision or excision is made through the device in the skin at the envisaged location. The device comprises one or more basic layers (1, 2) that do not abut one another at the location of the wound. In contrast, an open skin area (3) is defined by the basic layer(s), which area is covered by an adhesive surface of a covering sheet (4). Further, adhesive strips (13, 23) are provided that are suitable to be adhered to the skin at both sides of the incision, therewith closing the skin in a highly controlled manner, and enabling excision wounds to be conveniently closed as well

A wound (50) is closed using a first adhesive shoe (10) adhesively affixed adjacent to a first edge (51) of the wound, a second adhesive shoe (20) adhesively affixed adjacent to a second opposite edge (52) of the wound, a forceps device (100) comprising a first leg (101 ) adapted to couple with the first adhesive shoe and a second leg (102) adapted to couple with the second adhesive shoe; and a locking mechanism (150) adapted to draw the first and second forcep legs together and hold legs in the desired closed position after they are drawn together.

Disclosed is a bandage for closing a wound or incision, and methods for the use of same. The bandage comprises a first flat flexible component having adhesive on a lower surface and one or more first elongated connectors extending in an offset manner from one edge thereof in a first direction. The bandage further comprises a second flat flexible component having adhesive on a lower surface and one or more second elongated connectors extending in an offset manner from one edge thereof in a second direction generally opposite to the first direction. Pulling elements are joined to the first and second elongated connectors. Means are provided for attaching the first elongated connectors to the second flat flexible component and the second elongated connectors to the first flat flexible component.

Sutures are used in combination with fibrosing agents to induce or stimulate fibrosis that between the sutures and the host tissues into which the sutures are inserted. Compositions and methods are described for use in lifting tissue, closing wound, and other applications.

Devices and methods for the treatment of open and closed wound spinal cord injuries are disclosed. For example, described herein are devices and methods for mitigating secondary injury to, and promoting recovery of, spinal cord primary injuries. More particularly, certain embodiments of the present invention are directed to polymeric mini-tubes that may be used for the treatment of spinal cord injuries. In addition, other embodiments are directed to polymeric “fill-in” bandages that may be used for the treatment of spinal cord injuries. For example, an erodible, or biodegradable, form of biocompatible polymer of the present invention is fabricated for surgical implantation into the site of the spinal cord injury.

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.

Described herein are a group of degradable, thermoplastic polymers, which are able to change their shape after an increase in temperature. Their shape memory capability enables bulky implants to be placed in the body through small incisions or to perform complex mechanical deformations automatically. The shape memory polymers are preferably biocompatible and can be biodegradable or non-degradable polymers. Preferably, the biodegradable polymer has a linear degradation rate. In a specifically preferred embodiment, the suture is formed of biodegradable polymer capable of forming a self-tightening knot. In a most preferred embodiment, the suture is used to close a wound or body scission.

A wound closure device includes first and second opposing members which open and close in a clam-shell configuration, skin penetrating needles and a pressure bar for applying pressure to close the wound when the device is closed, and releasable locking means for biasing or maintaining the device in a closed position.

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.

Novel compositions and systems for closure of wounds are disclosed. The compositions provide devices of improved flexibility and elasticity and are readily applied to wound sites or over wound closure devices. The present invention is also directed to a novel platinum catalyst for use in such compositions. The catalyst provides for rapid curing on topical surfaces such as skin and bonds to such surfaces in about 2-5 minutes.

Novel compositions and systems for closure of wounds are disclosed. The compositions provide devices of improved flexibility and elasticity and are readily applied to wound sites or over wound closure devices. The present invention is also directed to a novel platinum catalyst for use in such compositions. The catalyst provides for rapid curing on topical surfaces such as skin and bonds to such surfaces in about 2-5 minutes.

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 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 composition and a method for administering the composition to a patient in order to accelerate wound healing, particularly postoperative wound healing. The composition, which essentially comprises ornithine α-ketoglutarate, is water-soluble and formulated for oral administration in single-dose packets. The method for using the composition for promoting wound healing includes the step of administering the composition to a patient preoperatively as well as-postoperatively in accordance with a prescribed protocol. The composition may be customized to include one or more additional agents that are effective for promoting nutritional health and / or treating a particular medical problem. The composition may also be taken daily by athletes to minimize the healing time of closed wounds such as muscle or tendon tears that occur during participation in sports, even when the symptoms of such injury are subclinical.

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.

Ultrasound (US) apparatus and method for applying low energy US onto an internal tissue / organ, including a non-invasive US appliance used on a treatment region over the internal tissue / organ, and an electrical stimulation appa ratus for simultaneously inducing interferential electrical stimulation. A controller controls parameters of the electrical stimulation apparatus and the US appliance, and dynamically changes at least one of the parameters, for maintaining the impedance of the body tissue in the treatment region within an impedance range. T he US apparatus includes an impedance monitoring apparatus for continuously measuring, tracking, and monitoring impedance in the treatment region, wherein the controller dynamically changes at least one of the parameter in response to the impedance as monitored, for maintaining the impedance within the predefined range. The internal tissue / organ can be a female fertility organ, which can be, an ovarian follicle, a blood vessel of the uterus (womb), the ovary, the endometrial lining, and the Fallopian tube, ulcer, closed wound, internal injury, infla mmation, and nerves.

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.

A fluid drainage device, for use in a closed wound drainage system, which includes a fluid-receiving volume having a bore, a piston in sealing contact with the bore, a prop extending from the piston and which is connected to an energy storage device, wherein the piston can be user-actuated between a first position, whereby energy is stored in the energy storage device, to a second position, whereby energy is released from the energy storage device, to increase the size and reduce the pressure of the volume, allowing fluid to flow from a conduit into the volume.

Tissue lacerations are closed using a vacuum cup applied to the tissue surface having a tissue-abutting, optically transparent mesh surface that under vacuum conforms with the tissue surface, apposing edges of the wound, and is optionally loaded with a bandage comprising a chitosan film and a collagen backing. An eye tissue surface wound is closed without sutures by closing the wound with a bioadhesive, biocompatible sclera or cornea wound patch comprising a chitosan film and a collagen backing, wherein the backing is bonded to the film without adhesive and protects the film against dissociation when the patch is exposed to a physiological fluid, and the film adheres to the sclera sufficient to retain apposed edges of the wound.

The invention provides tissue-adhesive hydrogel. The tissue-adhesive hydrogel is formed by crosslinking modified carboxymethyl chitosan containing alkenyl and catechol groups, modified alginic acid containing aldehyde groups and dihydroxyboryl phenyl or salt thereof, a solvent and / or tannic acid. The hydrogel provided by the invention is good in mechanical property and biocompatibility, has excellent tissue adhesion, antibacterial property and hemostatic property, can be used for quickly closing wounds and realizing the effects of stopping bleeding, inhibiting bacteria and promoting wound healing as a medical tissue adhesive and wound dressing, and has a very good application prospect.

An improved glove-shaped dressing for hands is presented which enables quicker wound closure and a lower anesthesia requirement, comprised of two hand-shaped pieces of an improved prior-art skin-substitute brought together with a sealing means and fitted to the hand with surgical staples.

The invention relates to a wound bed access device for providing access to a wound bed from outside a closed wound. The wound bed access device includes a self-sealing valve connector defining a flow path which is ordinarily closed and is opened when a complementary opening connector is connected to the self-sealing valve connector. The wound bed access device also includes a wound dressing interface, shaped and dimensioned to be closed within a wound dressing covering a wound. The self-sealing valve connector is connected to the wound dressing interface, with the flow path passing from the self-sealing valve connector through the wound dressing interface. In use, the self-sealing valve connector is positioned outside the wound dressing thereby providing access to the wound bed from outside the closed wound.

Described herein are a group of degradable, thermoplastic polymers, which are able to change their shape after an increase temperature. Their shape memory capability enables bulky implants to be placed in the body through small incisions or to perform complex mechanical deformations automatically. The shape memory polymers are preferably biocompatible and can be biodegradable or non-degradable polymers. Preferably, the biodegradable polymer has a linear degradation rate. In a specifically preferred embodiment, the suture is formed of biodegradable polymer capable of forming a self-tightening knot. In a most preferred embodiment, the suture is used to close a wound or body scission.

Devices and methods for the treatment of open and closed wound spinal cord injuries are disclosed. For example, described herein are devices and methods for mitigating secondary injury to, and promoting recovery of, spinal cord primary injuries. More particularly, certain embodiments of the present invention are directed to polymeric mini-tubes that may be used for the treatment of spinal cord injuries. In addition, other embodiments are directed to polymeric “fill-in” bandages that may be used for the treatment of spinal cord injuries. For example, an erodible, or biodegradable, form of biocompatible polymer of the present invention is fabricated for surgical implantation into the site of the spinal cord injury.

A procedure for reducing the pain from orthopedic surgery, such as hip or knee replacement by injecting a mixture of components into the site of trauma (surgical incision or tissue twisting / stretching) before closing the wound. The mixture includes a local anesthetic agent, epinephrine, morphine and a corticosteroid.