Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

55 results about "Tissue Expanders" patented technology

Dilation introducer for orthopedic surgery

InactiveUS20050256525A1Lowering chance damageInvasive surgical procedureOrganic active ingredientsGenetic material ingredientsDilatorBone tissue
The dilation introducer has a locked assembled configuration for placement of the dilation introducer against a patient's tissue to be treated, and an unlocked, collapsed configuration for dilating the patient's soft tissue down to tissue to be treated. Dilator tubes are successively released and advanced to progressively expand the patient's soft tissue down to the bone tissue to be treated. The dilator tubes and a guide insert may include spikes for engaging bone tissue. The dilation introducer may include a light emitter disposed in a dilator tube. A telescoping expander sleeve is also provided.
Owner:INTERVENTIONAL SPINE

Systems and Methods for In Situ Assembly of an Interspinous Process Distraction Implant

An implant system for implantation between adjacent spinous processes for the relief of pain associated with the spine. The implant has a series of spacers which may be inserted over a shaft located between adjacent spinous processes thus allowing the implant to be assembled in situ. The spacers may rotate on the shaft relative to the wings. To minimize trauma to the patient, each spacer has a tapered tissue expander to distract the opening between the spinous processes during assembly. The shaft is connected to a wing, and a second wing or deployable wing may be inserted over the shaft and locked into place.
Owner:KYPHON

Method and apparatus for use in the performance of endoscopic minimally invasive orthopaedic plating procedures

A bone plating apparatus includes a handle having extending therefrom a tissue expander for insertion through a skin incision and through the subcutaneous tissue surrounding a fractured bone. A bone plate may be secured to the handle during advancement of the tissue expander so as to deliver the bone plate to a desired location proximate to the fractured bone. Both the tissue expander and the bone plate may be advanced to the desired location proximate to the fractured bone under the visualization of an endoscope. A screw alignment jig is secured to the handle and has a guide hole which aligns with an access hole of the tissue expander. The alignment of the guide hole and the access hole allow for percutaneous screw insertion into the delivered bone plate. A method for plating a fractured bone is also disclosed.
Owner:BIOMET CV

Minimally invasive tissue expander systems and methods

A tissue expander system for expanding tissue, skin and muscle along a pathway to a surgical site through a minimally invasive incision includes a tissue expander having a plurality of arms adapted to bear against tissue, the plurality of arms coupled at a first end to an actuating member and at a second end to a shaft, movement of the actuating member relative to the shaft adjusts the arms between a first position having a first diameter and a second position having second diameter greater than the first diameter and an outer sleeve having a lumen sized and shaped to receive the tissue expander in the second position.
Owner:DEPUY SPINE INC (US)

Differential Tissue Expander Implant

InactiveUS20070233273A1Improved breast aestheticsMammary implantsDilatorClosed chamber
A tissue expander implant (10) arranged to be anchored in position within a cavity formed in the body for the controlled expansion of overlying tissue. The tissue expander implant (10) comprises a first expandable envelope (18) defining a first closed chamber (18a), first inflation means for enabling the controlled inflation of the first expandable envelope with a biocompatible fluid, a second expandable envelope (20) located in side-by-side relationship with the first expandable envelope and defining a second closed chamber (20A) and second inflation means for enabling the controlled inflation of the second expandable envelope with a biocompatible fluid. The first and second expandable envelopes have a textured external surface for promoting adhesion to overlying tissue. The first and second expandable envelopes are differentially expandable independently of one another to enable the tissue overlying the first and second expandable envelopes to be expanded to differing degrees, thereby to maintain, or move, a surface feature of the overlying tissue in, or to, a desired position.
Owner:CONNELL ANTHONY FRANCIS

Spine distraction implant

A spine distraction implant alleviates pain associated with spinal stenosis and facet arthropathy by expanding the volume in the spine canal and / or neural foramen. The implant provides a spinal extension stop while allowing freedom of spinal flexion. An interspinous process implant with a selectably expandable spacer can be placed between adjacent spinous processes. a device implanted between the spinous processes of adjacent vertebrae of the spine can be used for relieving pain associated with the vertebrae and surrounding tissues and structures by maintaining and / or adding distraction between adjacent vertebrae. A tissue expander can be adapted to move from a first insertion position, for ease of implantation between spinous processes, to a second retention position that prevents displacement of the implant. An embodiment of a system can include an implant having a spacer with a thickness and a wing, wherein a first configuration of the wing has a first height substantially similar to the thickness and wherein the wing is adapted to be selectably arranged in a second configuration such that the wing has a second height greater than the first height. A periphery of the implant has a shape generally conformal with a shape of an inner surface of a cannula and a cross-sectional diameter smaller than an inner diameter of the cannula. The cannula is inserted such that a proximal end of the cannula is arranged between the adjacent spinous processes. The implant is then urged into position between the adjacent spinous processes by way of the cannula, and subsequently arranged in a second configuration to fix the implant in position.
Owner:MEDTRONIC EURO SARL

Systems and methods for a tissue expander

Various embodiments provide systems and methods for a temporary extended tissue expander. Systems and methods according to various aspects of the present invention may comprise an extended tissue expander configured to increase and / or customize the size and / or shape of a tissue pocket beyond the size and / or shape provided by a conventional tissue expander. The extended tissue expander may comprise a tissue expander coupled to an extension portion. In one embodiment, the extended tissue expander may preserve a breast pocket with a desired teardrop shape that does not need extensive surgical modification before placement of a final breast implant or a tissue flap. In another embodiment, the extended tissue expander may be modified to the precise dimensions of a final breast implant for the simple exchange of the extended tissue expander for the final breast implant.
Owner:RECONSTRUCTIVE TECH

Tissue expander injection assemblies

ActiveUS9814566B1Mammary implantsSurgeryInjection portMammary prosthesis
An injection port assembly for a tissue expander and / or mammary prosthesis comprising a composite silicone matrix having embedded fiber layers. The composite matrix materials may cover or extend from the outside perimeter of the injection port assembly and provide self sealing polymeric materials if punctured by a needle. The tissue expander and injection port assemblies and structures may be formed of MR scannable materials. The injection port structures may have palpation lumps for locating the injection port structure subsequent implantation. The injection port structure may be remotely located from the tissue expander and connected thereto via tubing.
Owner:PMT

Systems and methods for a tissue expander

Methods and systems for a tissue expander according to various aspects of the present invention may function in conjunction with an extended tissue expander, such as an extended tissue expander to be temporarily implanted into a patient to form a pocket for a permanent implant. Systems and methods according to various aspects of the present invention may comprise an extended tissue expander configured to increase and / or customize the size and / or shape of a tissue pocket beyond the size and / or shape provided by a conventional tissue expander. The extended tissue expander may comprise a tissue expander coupled to an extension portion. In one embodiment, the extended tissue expander may preserve a breast pocket with a desired teardrop shape that does not need extensive surgical modification before placement of a final breast implant or a tissue flap. In another embodiment, the extended tissue expander may be modified to the precise dimensions of a final breast implant for the simple exchange of the extended tissue expander for the final breast implant.
Owner:RECONSTRUCTIVE TECH

Expandable absorbable implants for breast reconstruction and augmentation

Expandable absorbable implants have been developed that are suitable for breast reconstruction following mastectomy. The implants can be implanted in the vicinity of a tissue expander, for example, by suturing to the detached edge of the pectoralis major muscle to function as a pectoralis extender, and used to form a sling for a tissue expander. The implants, which permit tissue-ingrowth and slowly degrade, can be expanded in the breast using a tissue expander in order to form a pocket for a permanent breast implant. After expansion, the tissue expander can be removed and replaced with a permanent breast implant. The expandable implants help reduce patient discomfort resulting from tissue expansion, and avoid the need to use allografts or xenografts to create the pocket for the tissue expander. The expandable absorbable implant preferably comprises poly-4-hydroxybutyrate or copolymer thereof.
Owner:TEPHA INC

Unitized penile erection system and tissue expander

InactiveUS20100036196A1Small volumeNatural and full feelNon-surgical orthopedic devicesPenis implantsPenile erectionsSymphysis
A surgically implantable device is a single unit comprised of a hydraulically activated extendable cavernosal component and a manually controlled fluid transfer system composed of a pump. Flow from the pump is directed by a one way valve interposed between a bypass from an included elastic reservoir, the pump and a second one way valve interposed between the pump and the cavernosal unit. A manually controlled release valve, interposed between the outlet of the cavernosal unit and the reservoir, permits de-activation of the cavernosal unit and returns fluid to the reservoir. These components are housed by a molded tailpiece which stabilizes the device against the symphysis pubis, positions the cavernosal implant properly within the shaft of the penis and presents the controls for easy access. An access port permits adjustment of the fluid volume. The unit has utility as a tissue expander and penile re-construction in event of congenital or traumatic deformity.
Owner:WALCH JOHN R

Tissue expander implant with self-sealing safety patch

Disclosed is a self-sealing patch for use with a tissue expander implant. The self-sealing patch serves as protection for the tissue expander against a hypodermic needle inadvertently missing a fluid injection port thereof by sealing a puncture through the patch. The patch includes a first sheet having a first sheet perimeter, a second sheet having a second sheet perimeter attached to the first sheet perimeter to form a pocket between the first sheet and the second sheet. Material is disposed within the pocket, where the material is hydrophobic material having a viscosity high enough that the material is prevented from flowing outside the pocket when either the first or second sheet is punctured with a hypodermic needle but low enough that the material flows to close a track made by a hypodermic needle puncturing the first or second sheet.
Owner:MENTOR WORLDWIDE

Valve assemblies for expandable implants and tissue expanders

A valve assembly for an implant has an inner shell, a self-sealing material disposed within the inner shell, and an insertion pathway extending through the self-sealing material. At least one gap is formed in the self-sealing material that intersects with the insertion pathway to define a proximal pathway section and a distal pathway section. A filling tube is passed through the valve assembly for filling the outer shell of the implant with a fluid. After the implant is filled, the filling tube is removed. As the filling tube is removed, if the self-sealing material within the distal section of the pathway is unable to self-seal before the fluid reaches its proximal end, the fluid is diverted into the gap. The time that elapses before the gap is completely filled by the fluid provides sufficient time for the self-sealing material within the proximal section of the pathway to self-seal.
Owner:MENTOR WORLDWIDE

Directional tissue expander

ActiveUS9463087B2Mammary implantsDiagnosticsSuperior poleLower pole
An expandable mammary tissue implant including a shell having an anterior face and a posterior face, the anterior face having an upper pole portion and a lower pole portion meeting at an apex, and an injection zone for receiving fluid therethrough to inflate the implant. The implant further includes a vertical tether member having first and second ends and a central region therebetween having an aperture therethrough. The central region is coupled to the anterior face of the implant at a location such that the injection zone is positioned within the aperture in the central region. The first and second ends of the vertical tether member are coupled to the posterior face of the implant.
Owner:MENTOR WORLDWIDE

Layer silicate nanocomposites of polymer hydrogels and their use in tissue expanders

The invention relates to nanocomposites comprising of (i) hydrogels synthetized by copolymerization of N-isopropylacrylamide and / or acrylamide and / or acrylic acid monomers and of (ii) layer silicates, and to the process for preparing them. The invention covers osmotically active hydrogel expanders containing said nano-composites, suitable for tissue expansion and the use of said materials for obtaining live skin.
Owner:SZEGEDI TUDOMANYEGYETEM

Valve assemblies for expandable implants and tissue expanders

A valve assembly for an implant has an inner shell, a self-sealing material disposed within the inner shell, and an insertion pathway extending through the self-sealing material. At least one gap is formed in the self-sealing material that intersects with the insertion pathway to define a proximal pathway section and a distal pathway section. A filling tube is passed through the valve assembly for filling the outer shell of the implant with a fluid. After the implant is filled, the filling tube is removed. As the filling tube is removed, if the self-sealing material within the distal section of the pathway is unable to self-seal before the fluid reaches its proximal end, the fluid is diverted into the gap. The time that elapses before the gap is completely filled by the fluid provides sufficient time for the self-sealing material within the proximal section of the pathway to self-seal.
Owner:MENTOR WORLDWIDE

Tissue expander, system and method

Non-fluidized tissue expanders, tissue expander systems, and methods of expanding tissue are disclosed. The tissue expanders, systems, methods of the present invention incorporate an expandable encapsulated body mass implantable within the patient and operative to selectively expand to promote growth of an enlarged area of skin and subcutaneous tissue. Such tissue expansion is accomplished utilizing internal one or more distraction mechanisms disposed within the tissue expanders that are operative to expand by mechanical or electromechanical means. The present invention omits any type of inflatable body requiring the injection of fluids to effectuate expansion of the tissue expander.
Owner:GEDEBOU TEWODROS

Systems, devices and methods of making mammary implants and tissue expanders having ribbed shells

An implantable prosthesis includes a shell having an apex, a base, a radius located between the apex and the base, and a dome extending between the apex and the radius. The shell has an outer surface and an inner surface that surrounds an interior volume of the shell. At least one rib is integrally formed with the inner surface of the shell and projects inwardly from the inner surface of the shell into the interior volume of the shell. The shell has an interior volume that is adapted to receive a biocompatible filler material.
Owner:MENTOR WORLDWIDE

Soft tissue expander

The invention discloses a soft tissue expander, which comprises an outer sleeve and an inner sleeve. The inner sleeve is hollow to form a first through hole and a second through hole with different axes, the outer surface and the head of the inner sleeve are conical, and a clamping groove is formed in the tail of the inner sleeve; the outer sleeve is hollow, the inner surface and the outer surfaceof the outer sleeve are conical surfaces, the inner surface of the outer sleeve is matched with the outer surface of the inner sleeve, and a clamping part is arranged at the rear part of the outer sleeve; and when the inner sleeve reaches the set position of the outer sleeve, the clamping part of the outer sleeve can be clamped into the clamping groove of the inner sleeve by rotating the outer sleeve, so that the relative fixation of the positions of the inner sleeve and the outer sleeve is realized.
Owner:长沙科众医疗科技有限公司

Flexible interface external micro vacuum chamber tissue expander

The present invention is a vacuum chamber tissue expander with a flexible sliding interface, which is applied externally over a specific region of tissue to apply a vacuum thereto so that the skin or other organ tissue can be expanded for treatments such as the subcutaneous grafting of fat cells. The flexible sliding interface accommodates and seals against flat or irregular tissue and slides along a mating groove in the vacuum chamber to provide an adjustable seal.
Owner:VAN BEEK ALLEN L

Tissue expanders having integrated drainage and moveable barrier membranes

A tissue expander having an integrated drain includes a shell having an opening and one or more drainage holes, and an injection port disposed in the opening of the shell and forming a fluid-tight seal with the shell. The injection port includes a needle guard having a needle guard base with a top surface. The injection port includes a moveable barrier membrane overlying the top surface of the needle guard base. The moveable barrier membrane is moveable between a first position for inflating and deflating the shell with a first fluid and a second position for draining a second fluid from outside the shell. A magnet is coupled with the moveable barrier membrane, and a compressible spring is connected with the magnet. The compressible spring is compressed for storing energy as the moveable barrier membrane moves from the first position to the second position.
Owner:MENTOR WORLDWIDE

Tissue expander, system and method

InactiveUS6896689B2Efficient expansionMinimize external surface areaDiagnosticsSurgeryDistractionTissue expansion
Non-fluidized tissue expanders, tissue expander systems, and methods of expanding tissue are disclosed. The tissue expanders, systems, methods of the present invention incorporate an expandable encapsulated body mass implantable within the patient and operative to selectively expand to promote growth of an enlarged area of skin and subcutaneous tissue. Such tissue expansion is accomplished utilizing internal one or more distraction mechanisms disposed within the tissue expanders that are operative to expand by mechanical or electro-mechanical means. The present invention omits any type of inflatable body requiring the injection of fluids to effectuate expansion of the tissue expander.
Owner:GEDEBOU TEWODROS

Methods of making self-sealing patches for tissue expander implants

A method of making a self-sealing patch for a tissue expander implant includes providing a first sheet having a first sheet outer perimeter and a first sheet inner edge defining a first central opening, providing a second sheet having a second sheet outer perimeter and a second sheet inner edge defining a second central opening, aligning the first and second sheet outer perimeters and the first and second sheet inner edges, capturing an outer washer between the first and second sheet outer perimeters for attaching the first and second sheets together, and capturing an inner washer between the first and second sheet inner edges for attaching the first and second sheets together. The method includes spacing an inner perimeter of the outer washer from an outer perimeter of the inner washer to form a sealed annular space between the attached first and second sheets, and disposing a hydrophobic material within the sealed annular space.
Owner:MENTOR WORLDWIDE

Directional tissue expander

An expandable mammary implant including a shell having an anterior face and a posterior face. The anterior has an upper pole portion and a lower pole portion meeting at an apex, and an injection zone for receiving fluid therethrough to inflate the implant. A reinforcement material is coupled to the shell in a reinforcement zone. The reinforcement material is coupled to the shell so as to at least coincide with the upper pole portion and a peripheral rim portion that extends from the posterior face upwardly into said anterior face by a predetermined distance.
Owner:MENTOR WORLDWIDE

Novel tissue expander

ActiveCN101991905ARelieve painAvoid Anal FissuresSurgeryDilatorsDilatorEngineering
The invention discloses a novel tissue expander, which comprises a hollow body and an expanded broadside. The broadside is connected with a near end of the body. The body comprises at least two expansion sheets which are matched with each other and spaced between both. A hinge is arranged on the inner wall at a far end of each expand sheet. The other end of the hinge is hinged with the same center piece. A driving device which is used for driving the center piece to move along the axis of the body is arranged on the center piece so that the expansion sheets of the novel tissue expander are converted from assembly to separation from the far end. The novel tissue expander mainly has the advantage of expanding anus and anal tube of the patient gradually and controllably, thereby avoiding anal fissure and relieving the pain of the patient. In addition, due to the integrated design of preset anus expansion and anus expansion, the novel tissue expander is simple and convenient in use.
Owner:TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD

Systems, devices and methods of making mammary implants and tissue expanders having ribbed shells

An implantable prosthesis includes a shell having an apex, a base, a radius located between the apex and the base, and a dome extending between the apex and the radius. The shell has an outer surface and an inner surface that surrounds an interior volume of the shell. At least one rib is integrally formed with the inner surface of the shell and projects inwardly from the inner surface of the shell into the interior volume of the shell. The shell has an interior volume that is adapted to receive a biocompatible filler material.
Owner:MENTOR WORLDWIDE

Tissue expander with pectoral attachment

A mammary tissue expander device including an inflatable shell having an anterior side and a posterior side, the anterior side having an upper pole portion and a lower pole portion meeting at an apex, and an injection port for receiving fluid therethrough to inflate the expander, and a substantially flat attachment flap coupled to the posterior side of the shell, and extending in an inferior direction beyond an inferior edge of the shell by a distance D such that the attachment flap may be extended around the inferior edge and upwards to overlay at least a portion of the anterior side of the shell.
Owner:MENTOR WORLDWIDE
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products