81 results about "Metatarsal bone part" patented technology

An intramedullary lengthening device includes a housing and a distraction shaft. The intramedullary lengthening device is placed within a cavity of two bone sections (either already separated or purposely separated for insertion of the device). The distraction shaft of the intramedullary lengthening device is attached to the one of the bone sections using, for example, one or more attachment screws. The housing of the intramedullary lengthening device is attached to the second bone section using, for instance, one or more attachment screws. Over the treatment period, the bone is continually distracted, creating a new separation into which osteogenesis can occur. In one embodiment, the intramedullary lengthening device includes an actuator and an extension rod, which can be attached to one other.

A collapsible bone screw for healing bone fragments across a bone fracture includes an externally threaded inner screw member and an externally threaded outer screw member. The inner screw member is initially screwed into an inner bone portion. An unthreaded portion of the outer screw member is movably joined to the inner screw member. The outer screw member is screwed until it gains purchase in an outer bone portion. As impaction occurs over time, the collapsible bone screw apparatus may shorten in length as the two screw members slide, telescope or otherwise axially move toward each other to shorten the overall length, thereby preventing any portion of the screw apparatus from protruding out of the bone. A bone screw kit of multiple inner and outer screw members are provided as well as a method of surgically fastening bone fragments.

In order to improve a bone screw with a shaft defining a longitudinal axis and with a head which can be brought into engagement with a bone screw receiving means of a bone plate for the releasable connection of the bone screw to the bone plate, wherein a securing element for securing a connection between the bone screw and the bone plate is provided, wherein the bone screw can be brought from a position of engagement, in which the bone screw is held on the bone plate, into a release position, in which the bone screw can be released from the bone plate, wherein the securing element can be brought from a non-securing position, in which the bone screw can be brought into the release position, into a securing position for securing the connection between the bone screw and the bone plate, in which the bone screw takes up the position of engagement, such that a bone plate can be fixed to bone parts more easily and more securely it is suggested that the securing element be supported on the bone screw so as to be movable.

A method for performing an open wedge osteotomy, the method comprising:

• • forming a cut in a bone;
  • manipulating the portions of the bone adjacent to the cut so as to open the cut into a wedge-like opening;
  • providing an osteotomy implant, wherein the osteotomy implant comprises:
    • an elongated body characterized by a distal end and proximal end, the elongated body having a screw thread thereon;
  • positioning at least the distal end of the elongated body into the wedge-like opening so that the screw thread engages the surrounding bone; and
  • threadingly advancing the elongated body into the wedge-like opening until the portions of the bone assume the desired positioning, with the elongated body stabilizing the bone portions in this position.

The combination of a plate and inserter for the plate. The plate is configured to be operatively placed at a bone fracture site and secured with at least one fastener to stabilize bone portions between which a fracture is located. Structure cooperating between the plate and inserter is configured to releasably maintain the plate operatively engaged with the inserter. The operatively engaged plate is movable together with the inserter whereby a user can manipulate the operatively engaged plate through the inserter. The plate has a leading end with a tapered configuration to facilitate dissection of soft tissue from a bone surface to allow a surface on the plate that trails the advancing leading end to be operatively placed against the bone surface across the bone fracture site.

The invention discloses a manufacturing method of a biteplate for treating temporal-mandibular joint disc displacement by 3D printing. The manufacturing method comprises the following steps: (1) mandible condyle process positions of patients are recorded and fixed; (2) craniomaxillofacial surfaces of the patients are shot to obtain conical beam CT data of the patients; (3) upper and lower jawboneparts of the patients are rebuilt; and the head positions of the patients are adjusted according to frankfort planes of the patients; (4) bone tissue CT values, teeth and occlusalf surface areas are selected from three-dimensional drawing software for three-dimensional rebuilding of occulsalf surface data of the patients; (5) occulsalf surface three-dimensional models of the patients are rebuilt in the three-dimensional drawing software; (6) interference parts of the occulsalf surface three-dimensional models are removed; (7) the occulsalf surface three-dimensional models are guided into 3D printer mated software; (8) upper jaw parts and lower jaw parts of occlusal pads are designed; and (9) a 3D printer is used for printing to finish manufacturing of the occlusal pads. Through projectionsformed on the inner side of the biteplate, lower teeth cannot retreat due to stop by lower jaw projections of the biteplate, so that the lower jaws of the patients are maintained in a protraction state to treat the temporal-mandibular joint disc recoverable forward displacement.

A bone displacement system includes a body having a first arm and a second arm. The first arm is coupled to a first bone contacting leg configured to be connected to a first bone portion. The second arm is coupled to a second bone contacting leg configured to be connected to a second bone portion. A force application fixture is coupled to the first arm and the first bone contacting leg and configured to apply a force between the first arm and the first bone contacting leg.

The present invention discloses a securing device that is used to secure a fixation device to two bone portions to promote healing between the two bone portions. The bone portions commonly include a skull bone portion and a skull bone flap or implant, and the fixation device is commonly a cranial clamp. The securing device provides for securing the fixation device in a uniform, single movement asopposed to currently available products. The securing device has two handles pivotably connected, and a gripping means moveably associated with one handle. As the handles are activated, the gripping means travels proximally along the one handle and grips an elongated section of the fixation device and exerts a tensioning force along the shaft of the elongated section prior to the cutting means cutting the elongated shaft to secure the fixation device in place.

An insole comprises a pad body which can allow the sole of a human body to tread on. The pad body is provided with an arch part, a heel part placed on the rear side of the arch part, a toe part placed on the front side of the arch part and a metatarsal bone part placed between the arch part and the metatarsal bone part, wherein the arch part, the heel part, the toe part and the metatarsal bone part all correspond to the sole structure of the human body. The inner arch part of the arch part is provided with an arc-shaped convex edge which integrally protrudes from the bottom face of the pad body, an opening is formed in the arc-shaped convex edge, when hot air in the bottom face of the pad body and the arc-shaped convex edge rise, the hot air can be discharged through the opening in the arc-shaped convex edge, and the condition of stuffiness is reduced.

The invention discloses a pair of ventilating insoles. Each ventilating insole mainly comprises an insole body for a human body to step on, each insole body can be divided into an arch part corresponding to the foot sole structure of the human body, a heel part arranged at the rear side of the arch part, a toe part which is arranged at the front side of the arch part and corresponds to a first toe, a second toe, a third toe, a fourth toe and a fifth toe, as well as a metatarsal bone part arranged between the arch part and the toe part. The pair of ventilating insoles is characterized in that each insole body is provided with a first gas channel arranged on the bottom surface of the insole body, and each first gas channel longitudinally extends to the position close to the heel part towardthe heel part from the position, close to the front periphery of the toe part and corresponding to a position between the first toe and the second toe, and then further transversely extends to the position close to the inner periphery or the outer periphery of the heel part. Accordingly, the pair of ventilating insoles disclosed by the invention has a good ventilation effect, no odour can be produced easily, and thus the comfortable sensation of the foot sole of the human body can be enhanced.

A method and apparatus for changing a configuration of a bone. The method includes the steps of: fixing a first part of a bone plate to the bone at a first location; securing a guide assembly in an operative position in relationship to the bone; engaging a bone part moving assembly with the bone at a second bone location spaced from the first bone location; cutting the bone to define first and second bone sections and so that the bone part moving assembly engages the second bone section and the first bone location is on the first bone section; relatively repositioning the first and second bone sections into a desired relationship and thereby causing a part of the bone part moving assembly to move guidingly, together with the second bone section, in a controlled path; and fixing the first and second bone sections in the desired relationship. The first and second bone sections can be controllably relatively moved lengthwise of the bone plate without requiring guided movement of any component that extends through the bone plate and into the bone.

A fixation device includes a first anchor portion configured to join to a first bone portion, a second anchor portion configured to join to a second bone portion, and an intermediate component that extends between the first anchor portion and the second anchor portion. The intermediate component is configured to expand, contract, and angulate enabling constrained movement of the second bone portion with respect to the first bone portion. The second anchor portion has a larger configuration relative to the first anchor portion, thereby preventing the second bone portion from depressing below the first bone portion.

The present invention relates to a method for producing a tailor-made implant intended to be implanted at an implantation site of a damaged bone part, the method comprising a step in which a 3D representation of a standard implant is superposed on a 3D representation of a damaged bone part by positioning said standard implant on an implantation site of the damaged bone part, in order, if necessary, to modify the dimensions and/or to adjust the shape of said standard implant, and also, if necessary, to modify the outer surface of said standard implant, which may be either the impression or substantially the impression of the outer surface of said bone part in the state prior to superpositioning of said implant, when the geometry of the damaged bone part is intended to be retained, or a functional outer surface, when said tailor-made implant is intended to be used at the interface of two bone parts cooperating with each other.

The application discloses a pair of socks capable of correcting halluces valgus. Each sock comprises a sock body, wherein the sock body comprises a toe part and a metatarsal bone part which are connected with each other; the toe part comprises a halluces sleeve; the halluces sleeve is used for independently coating a halluces to separate the halluces from a second toe; the metatarsal bone part comprises an elastic tightening area which is arranged around the circumference of the sock; the elastic tightening area is used for applying inward pressure to a first metatarsal bone and a fifth metatarsal bone so as to drive the halluces to open towards the outer side. The socks disclosed by the application can independently coat the halluces to separate the halluces from the second toes through the halluces sleeves; and meanwhile, the halluces is prompted to open towards the outer side by combining the elastic tightening area and applying the inward pressure to the first metatarsal bone, and the toe muscle is exercised through walking, thereby gradually achieving the correction target. The socks can be directly worn in shoes and can be used around the clock, and daily working, living and learning are not affected. The socks are economical and practical and is relatively good in durability and washing resistance.