90 results about "Trochanter" patented technology

An improved method and apparatus for reducing a hip fracture utilizing a minimally invasive procedure which does not require incision of the quadriceps. A femoral implant in accordance with the present invention achieves intramedullary fixation as well as fixation into the femoral head to allow for the compression needed for a femoral fracture to heal. To position the femoral implant of the present invention, an incision is made along the greater trochanter. Because the greater trochanter is not circumferentially covered with muscles, the incision can be made and the wound developed through the skin and fascia to expose the greater trochanter, without incising muscle, including, e.g., the quadriceps. After exposing the greater trochanter, novel instruments of the present invention are utilized to prepare a cavity in the femur extending from the greater trochanter into the femoral head and further extending from the greater trochanter into the intramedullary canal of the femur. After preparation of the femoral cavity, a femoral implant in accordance with the present invention is inserted into the aforementioned cavity in the femur. The femoral implant is thereafter secured in the femur, with portions of the implant extending into and being secured within the femoral head and portions of the implant extending into and being secured within the femoral shaft.

The invention relates to a trochanter stabilizing device (40), especially for fixing bone fragments in the region of the hip joint (11) or for fixing the greater trochanter (12), including A) bone stabilizing means (1) consisting of a central plate (2) with at least one fixing perforation (13) for receiving a bone fixing means (20); B) a longitude bone plate (30) with a bushing (31) arranged at an angle for receiving a fixing element (50) which can be introduced into the region of the hip joint (11) fixed thereto, whereby C) at least three peripheral arms (4) originate from the central plate (2), whereby D) each peripheral arm (4) is provided with at least one hole (5) for receiving a bone fixing means (20).

An orthopaedic fixation component attachable to a femur, said femur defining a femur shaft, a femur head and a femur neck extending therebetween, said femur further defining a greater trochanter limiting laterally said femur neck, said orthopaedic fixation component comprising: a shaft section fixation portion and an end section fixation portion extending substantially longitudinally therefrom, said shaft section and end section fixation portions being respectively securable to said femur shaft and said greater trochanter; said end section fixation portion including a pair of end arms, said end arms being configured, sized and positioned to delimit a trochanter receiving recess for substantially fittingly receiving a prominent portion of said greater trochanter.

A device for preventing a hip fracture includes: a shaft having a first end and a second end and an expanding means for engaging the femoral head at the first end. The shaft is positioned in a hole of a predetermined depth in a femur. The hole extends from the greater trochanter to the femoral head of the femur, such that the first end is positioned in the femoral head and the second end is positioned in the greater trochanter. The device is oriented substantially perpendicular to the long axis of the femoral shaft.

A device for bone fixation includes an intramedullary pin and a bone plate. The intramedullary pin has a longitudinal axis with a distal tip configured for insertion into the medullary canal. The intramedullary pin also has at least one transverse borehole passing through it for accommodating a hip screw. The bone plate is disposed at the proximal rear end of the intramedullary pin and lies in contact with the greater trochanter.

Methods and devices for performing hip replacement surgery are described. According to one embodiment, a method comprising providing an incision locator comprising a first wing and a second wing, the first wing adapted to be oriented generally along the femoral axis of a femur forming the hip on which the surgery is being conducted, positioning a proximal portion of the first wing adjacent to the greater trochanter, positioning other portions of first wing generally parallel to the femoral axis, indicating a proper placement of an incision based at least in part on the position of the second wing of the incision locator, performing an incision using at least one incision guide in at least one of the first and second wings, and completing the surgical procedure is described.

An orthopaedic fixation component attachable to a femur, said femur defining a femur shaft, a femur head and a femur neck extending therebetween, said femur further defining a greater trochanter limiting laterally said femur neck, said orthopaedic fixation component comprising: a shaft section fixation portion and an end section fixation portion extending substantially longitudinally therefrom, said shaft section and end section fixation portions being respectively securable to said femur shaft and said greater trochanter; said end section fixation portion including a pair of end arms, said end arms being configured, sized and positioned to delimit a trochanter receiving recess for substantially fittingly receiving a prominent portion of said greater trochanter.

Protective devices, to protect a body part having a bony portion with a soft tissue layer between the bony portion and an outer skin layer, have an inner surface which conforms to the body part to be protected and are applied to the body part to reduce pressure exhibited at the interface between the bony portion and the soft tissue layer, across the soft tissue and outer skin layers and at the interface between the outer skin layer and a support surface. The protective devices may be made of any material suitable for distributing the weight of the body part over an extended area and volume and may include a mushy material, a hard shell, a hydro absorptive material, and a wound dressing with medication. The body part to be protected includes at least one of the heel, trochanter, knee, sacrum, coccyx, ischium, scapula, elbow, ankle, buttocks and occiput; The protective devices may be secured to the body part directly or via a garment or any other suitable securing means.

A femoral stem 2 for artificial hip joint is provided that is capable of tightly fixing a greater trochanter and is suitable for treatment of transcervical fracture where it is necessary to fix the greater trochanter. The femoral stem 2 comprising: a stem member 20 including a distal part 21 of the stem member which is inserted in a medullary cavity of a femur and fixed therein and a proximal part 22 of the stem member which has a neck 26 for fixing an artificial head and is positioned at a proximal end of the distal part, the distal part and the proximal part being integrated or separable; a plate fixing portion 36 which is detachably attached at a top of the proximal part; and a greater trochanter plate 3 for depressing the greater trochanter 71, the greater trochanter being fixed to the plate fixing portion 36 at a certain angle or fixed to the plate fixing portion so as to adjust an angle. Since the greater trochanter plate 3 is fixed onto the femoral stem 2 of the present invention, the greater trochanter is tightly fixing and thus the fixation can be stabilized. Furthermore, since the greater trochanter plate 3 is fixed at the top of the proximal part 22, the greater trochanter plate 3 covers the top of the greater trochanter 71 when the greater trochanter 71 is fixed. Therefore upward displacement of the greater trochanter by a gluteus medius musculus can be effectively suppressed.

The present invention relates to a system and method for sacral and trochanteric support and off-loading. The system provides a ultra low pressure plenum and a positioner. The patient body size and size and corresponding surface area of the positioner control the amount of gas which is displaced evenly against the walls of the ultra low pressure plenum to allow the combination of the ultra low pressure plenum and the positioner to slightly lift a patient from a bed surface, thereby offloading the sacrum and trochanter.

The present invention relates to a system and method for sacral and trochanteric support and off-loading. The system provides a ultra low pressure plenum and a positioner. The patient body size and size and corresponding surface area of the positioner control the amount of gas which is displaced evenly against the walls of the ultra low pressure plenum to allow the combination of the ultra low pressure plenum and the positioner to slightly lift a patient from a bed surface, thereby offloading the sacrum and trochanter. The positioner can be an ultra low pressure bladder.

A stem of an artificial hip joint is capable of removing a gap that may be formed between a proximal portion of a femur and a backside of the stem. The stem has an upper end portion to face a proximal side and a backside to face a greater trochanter and is adapted for insertion into, and fixation to, a medullary space of a femur. The stem has a through bore opened both to the upper end portion and the vicinity of proximal end of the backside.

The present disclosure relates to an implant for refixation of the greater trochanter on which an osteotomy has been performed or which is fractured. The implant comprises a plate that can be fixed on the proximal femur, and a device that can hold the greater trochanter with a form fit or force fit on the femur. This holding device preferably has bendable prongs located at a distance from each other, the first end portion of these prongs being attached to the upper edge of the base plate. The holding device also has flexible, elongate members, each of which is attached at one end to the free end portion of the respective prong. The other, free end portions of the longitudinal members are secured laterally on the base plate after these longitudinal members have crossed the medial aspect of the greater trochanter. This results in a tensioning band construction with at least two restraints based on a plate fixed securely on the proximal lateral femur.

The invention relates to a trochanter stabilizing device (40), especially for fixing bone fragments in the region of the hip joint (11) or for fixing the greater trochanter (12), including A) bone stabilizing means (1) consisting of a central plate (2) with at least one fixing perforation (13) for receiving a bone fixing means (20); B) a longitude bone plate (30) with a bushing (31) arranged at an angle for receiving a fixing element (50) which can be introduced into the region of the hip joint (11) fixed thereto, whereby C) at least three peripheral arms (4) originate from the central plate (2), whereby D) each peripheral arm (4) is provided with at least one hole (5) for receiving a bone fixing means (20).

Protective devices, to protect a body part having a bony portion with a soft tissue layer between the bony portion and an outer skin layer, have an inner surface which conforms to the body part to be protected and are applied to the body part to reduce pressure exhibited at the interface between the bony portion and the soft tissue layer, across the soft tissue and outer skin layers and at the interface between the outer skin layer and a support surface. The protective devices may be made of any material suitable for distributing the weight of the body part over an extended area and volume and may include a mushy material, a hard shell, a hydro absorptive material, and a wound dressing with medication. The body part to be protected includes at least one of the heel, trochanter, knee, sacrum, coccyx, ischium, scapula, elbow, ankle, buttocks and occiput; The protective devices may be secured to the body part directly or via a garment or any other suitable securing means.

The invention relates to a device for bone fixation, comprising A) an intramedullary pin (1) having a longitudinal axis (17), a distal tip (2) for introduction into the marrow cavity, and a proximal rear end (3) and B) a bone plate (10), for location on the greater trochanter, arranged at the proximal rear end (3) of the pin (1), whereby C) the pin (1) has a through transverse drilling (6) in the proximal half (7) thereof which faces the proximal rear end (3), for housing a hip screw (30) and D) the bone plate (10) terminates proximally above the transverse drilling (6).

An orthopedic device (200) is provided for treating complications of the hip and has means for trochanter compression, pelvis support, lumbar compression, variously directed straps, and thigh support. The trochanter compression and an internal / external rotation strap (217) provide pain relief through compression and skin protection, unloading of joints through compression and sealing, and unloading by load transfer. Means (220) for adjustably dosing of straps enables pain management and ease of use.

The invention relates to a bone fracture plate with an arc-shaped plate, and belongs to the technical field of human body internal implantation materials. The bone fracture plate is formed by a main plate and the arc-shaped plate, the arc-shaped plate is manufactured on one side of the main plate, the main plate and the arc-shaped plate are in circular arc transition to form a whole, locking holes are formed in the main plate and the arc-shaped plate, a hollowed structure is formed in the middle of the arc-shaped plate, and the main plate and the arc-shaped plate are in circular arc transition to form the whole and fixedly attached to the thighbone through locking nails. According to the bone fracture plate, the arc-shaped plate is additionally arranged on one side of the original main plate, the thighbone can be supported and fixed in a semi-wrapped and attached mode, and the bone fracture reduction effect and the supporting intensity on the inner side of an intertrochanteric fracture and the firmness of the main plate are improved. The bone fracture plate is wide in application range and can be used for all the stable and unstable intertrochanteric and below-trochanter fractures and splintered fractures of inner-side thighbone calcars and lesser trochanters, the risks of coxa vara, nail breaking and plate breaking are effectively reduced, complications are reduced to the greatest extent, the treatment effect improved, and the bone fracture plate is easy and convenient to install and safe and stable in use.

The invention relates to an implant for refixation of the greater trochanter (9) on which an osteotomy has been performed or which is fractured. The implant comprises a plate (1) that can be fixed on The invention relates to an implant for refixation of the greater trochanter (9) on which an osteotomy has been performed or which is fractured. The implant comprises a plate (1) that can be fixed onthe proximal femur, and a device (20) that can hold the greater trochanter (9) with a form fit or force fit on the femur (2). This holding device (20) preferably has bendable prongs (16, 17) located athe proximal femur, and a device (20) that can hold the greater trochanter (9) with a form fit or force fit on the femur (2). This holding device (20) preferably has bendable prongs (16, 17) located at a distance from each other, the first end portion of these prongs (16, 17) being attached to the upper edge (37) of the base plate (1). The holding device (20) also has flexible, elongate members (2t a distance from each other, the first end portion of these prongs (16, 17) being attached to the upper edge (37) of the base plate (1). The holding device (20) also has flexible, elongate members (21, 22), each of which is attached at one end to the free end portion (19) of the respective prong (16, 17). The other, free end portions (142) of the longitudinal members (21, 22) are secured laterall1, 22), each of which is attached at one end to the free end portion (19) of the respective prong (16, 17). The other, free end portions (142) of the longitudinal members (21, 22) are secured laterally on the base plate (1) after these longitudinal members (21, 22) have crossed the medial aspect of the greater trochanter. This results in a tensioning band construction with at least two restraintsy on the base plate (1) after these longitudinal members (21, 22) have crossed the medial aspect of the greater trochanter. This results in a tensioning band construction with at least two restraintsbased on a plate fixed securely on the proximal lateral femur.based on a plate fixed securely on the proximal lateral femur.

A femoral stem including a stem member having a distal part of the stem member which is inserted in a medullary cavity of a femur and fixed therein and a proximal part of the stem member which has a neck for fixing an artificial head and is positioned at a proximal end of the distal part. The distal part and the proximal part are integrated or separable. Also, a plate fixing portion is detachably attached at a top of the proximal part, and a greater trochanter plate is provided for depressing the greater trochanter. The greater trochanter is fixed to the plate fixing portion at a certain angle or is fixed to the plate fixing portion so as to adjust an angle of the trochanter plate.

The invention provides an inner fixing system for a femoral trochanter nail plate. The inner fixing system is a novel inner fixing apparatus and is formed by a femoral interlocking nail engaged with a femoral trochanter steel plate, wherein the femoral trochanter steel plate is an anatomical steel plate which meets the anatomic form of greater femoral trochanter by the crown-shaped surface and the cross section; a chute in the inner side of a pressurizing screw channel on the top end of the femoral trochanter steel plate is higher than a chute in the outer side; a closed screw of the femoral interlocking nail can be screwed to enable the femoral trochanter steel plate to be engaged with the tail of the femoral interlocking nail, and meanwhile, the femoral trochanter steel plate can be horizontally close to the femoral interlocking nail, and therefore, the femoral trochanter steel plate can be in tight contact with greater femoral trochanter. With the adoption of the system, the advantage of outstanding biomechanical stability in fixing of the femoral interlocking nail can be remained, the disadvantage that the greater femoral trochanter suffering from fracture is uneasily fixed and rebuilt can be decreased; a good internal fixing apparatus is provided for treating the fracture in the femoral trochanter area, the operative wound can be reduced, and the surgical treatment effect is improved.

A device for preventing a hip fracture includes: a shaft having a first end and a second end and an expanding means for engaging the femoral head at the first end. The shaft is positioned in a hole of a predetermined depth in a femur. The hole extends from the greater trochanter to the femoral head of the femur, such that the first end is positioned in the femoral head and the second end is positioned in the greater trochanter. The device is oriented substantially perpendicular to the long axis of the femoral shaft.

The invention relates to a femur upper segment hip-joint prosthesis composed of a femoral head (1) and an osteotomy segment (2), a sliding chute (21), crossbeams (22) and stitching holes (23) are provided on the osteotomy segment (2), wherein, the sliding chutes (21) are arranged at the back of the osteotomy segment (2) to enable the back of the osteotomy segment (2) to form a pair of sliding chute wings (211); the crossbeam is one or more than one, which are fixedly connected at outer edges of the two sliding chute wings (211); the stitching holes (23) are two or more than two, the distribution positions of which are corresponding to the large rotor and small rotor positions of the lower part of the human body femur neck. The femur upper segment hip-joint prosthesis of the invention implements the integration of the prosthesis, skelecton and muscle, the bone transplantation, the stitching and the fixing after operation are convenient, the effect after operation is good, the buttocks of the patient after operation can be more approach to original shape.

The invention relates to a minimal invasive combined pressurizing and locking bone fracture plate for trochanter comminuted fracture and femoral neck fracture. The bone fracture plate comprises a trochanter rear-side fixing plate and a femoral proximal-end fixing plate, which are connected into an integrated structure for respectively covering the trochanter rear side and femoral proximal end in an annular shape, wherein first locking holes are respectively formed on two ends of the trochanter rear-side fixing plate, and first locking nails which penetrate the rear side of the trochanter crown head end and the rear side of the trochanter crown bottom end are locked in the two first locking holes respectively; three second locking holes, arranged in a regular triangle way, are formed on the femoral proximal-end fixing plate, a second locking nail for locking femoral trochanter, femoral neck and bulb penetrates at least one second locking hole; and the trochanter rear-side fixing plate and the femoral proximal-end fixing plate are connected into an integrated structure for covering the trochanter rear side and femoral proximal end in an annular way. By utilizing a ball lag screw or a locking lag screw, tensioning of the trochanter, the femoral neck and the bulb and positioning lock on the femoral diaphysis are realized, so the minimal invasive combined pressurizing and locking bone fracture plate for the pulverous trochanter fracture and femoral neck fracture has the advantages of simpleness in operation, small cut, good fixing effect, firm tensioning, no potential safety hazards in long term use, no deformation and good treatment effect and is beneficial to accurate diaplasis.

An apparatus for stabilization of pelvic fractures comprising a stationary pad member, an adjustable pad member, and two trochanter pads. The stationary pas member comprises a cross-member with a rack gear. The adjustable pad assembly is configured to slide laterally on the cross-member so that the distance between the first and second trochanter pads is adjustable. The invention further comprises a torque release clutch that is configured to cause the retaining pawl gear tooth to disengage from the rack gear teeth when a certain force is applied to the torque release clutch.

The invention discloses an anatomical femoral trochanter locking steel plate, relates to the technical field of medical instruments, and aims to avoid the condition that the steel plate needs to be repeatedly bent for shaping before an operation and to simplify the operation. The main technical scheme is that the anatomical femoral trochanter locking steel plate comprises a trochanter part and a femoral part connected with the trochanter part, wherein the trochanter part is adaptive to the anatomical shape of the rear part of a human femoral trochanter, and the femoral part is adaptive to the anatomical shape of the rear part of a human femoral shaft; a big trochanter tongue flap, a small trochanter tongue flap, a first connecting part and a second connecting part are arranged on the trochanter part; the first connecting part is arranged between the big trochanter tongue flap and the small trochanter tongue flap; the second connecting part is arranged between the big trochanter tongue flap and the femoral part. The anatomical femoral trochanter locking steel plate is mainly used for fixing femoral trochanter fracture blocks.

The invention discloses a nighttime human scoliosis orthopedic support and a design method thereof. The orthopedic support comprises a first piece and a second piece; the first piece comprises a lowerfemoral great trochanter positioning portion and an upper top thoracic vertebra positioning portion; the second piece comprises an upper underarm positioning portion and a lower top lumbar vertebra positioning portion; the top thoracic vertebra positioning portion and the top lumbar vertebra positioning portion are recessed inwardly; a lower side area of the underarm positioning portion and an upper side area of the femoral great trochanter positioning portion form projections outwardly; the top thoracic vertebra positioning portion is lower than the underarm positioning portion, the femoralgreat trochanter positioning portion is lower than the top lumbar vertebra positioning portion, and the first piece and the second piece are in an asymmetrical structure. The orthopedic support has the advantage of remarkable improvement of comfort of users and orthopedic effects.