59 results about "Posterior wall" patented technology

In one embodiment, an intervertebral implant includes a body and a locking element. The body includes a leading surface and a trailing surface opposite the leading surface. The body also includes first and second bone fastener passageways through the implant body and a cavity in between the first and second passageways. The cavity includes a trailing wall that separates the cavity from the trailing surface. The locking element is disposed in the cavity such that part of the locking element is visible through an access opening in the trailing wall so that the locking element may be rotated from outside of the implant. In a first rotational position, a first part of the locking element is located within one of the first and second passageways and in a second rotational position, the first part of the locking element is inside the body covered by the trailing wall.

A mandibular advancement device with enhanced stability, including an upper tray assembly formed by an upper moldable component and an upper bracket, and a lower tray assembly formed by a lower moldable component and a lower bracket. The upper bracket and the lower bracket each extend a front wall from their front side edges near the labial side, while at least the lower bracket extends a rear wall along the median sagittal plane from the rear side edge near the lingual side. The stability is achieved by inclining the front wall of at least the upper bracket towards the lingual side. The rear wall of the lower bracket works in conjunction with the front wall to clamp the lower dental arch. Additionally, the stability feature includes a molar clamping section, further enhancing the overall stability of the mandibular advancement device.

An intervertebral implant for implantation in an intervertebral space between vertebrae. The implant includes a body extending from an upper surface to a lower surface. The body has a front end, a rear end and a pair of spaced apart first and second side walls extending between the front and rear walls such that an internal chamber is defined within the front and rear ends and the first and second walls. The body defines an outer perimeter and an inner perimeter extending about the internal chamber. At least one of the side walls is defined by an integral porous structure.

A system for use with a bed having a frame and a supporting surface includes a sheet having a bottom surface configured to be placed above the supporting surface and a top surface opposite the bottom surface, and a wedge having a wedge body with a base wall, a ramp surface, and a back wall, wherein the base wall has a base engagement member configured to engage a surface of the bed to form a selective gliding assembly that resists movement of the wedge with respect to the bed in a direction extending from the back wall toward the apex, and wherein the base engagement member is configured as a patch, the patch covering only a first portion of the base wall such that edges of the engagement members are spaced from edges of the base wall to allow a second portion of the base wall to be exposed.

An intervertebral implant for implantation in an intervertebral space between vertebrae. The implant includes a body extending from an upper surface to a lower surface. The body has a front end, a rear end and a pair of spaced apart first and second side walls extending between the front and rear walls such that an interior chamber is defined within the front and rear ends and the first and second walls. The body defines an outer perimeter and an inner perimeter extending about the internal chamber. At least one of the side walls is defined by a solid support structure and an integral porous structure, the porous structure extending from the outer perimeter to the inner perimeter. The porous structure embeds or encapsulates at least a portion of the solid support structure.

This invention relates to a prosthesis for implantation between vertebrae. Specifically, it discloses an intervertebral fusion device with built-in anchoring elements, comprising: a fusion device body having two end faces, an anterior wall and a posterior wall, two side walls, and a bone graft window; each side of the bone graft window of the fusion device body has two first linear channels extending from the anterior wall and penetrating to the posterior region of the end face, and two second linear channels extending from the posterior wall and penetrating to the anterior region of the end face; an anchor rod pre-positioned in the linear channels; and an actuation mechanism including an operating head exposed on the anterior wall of the fusion device body and an actuating body located in the fusion device body for driving the anchor rod. By turning the operating head, the actuating body drives the anchor rods in the first and second linear channels to extend obliquely forward from the posterior and anterior regions of the end faces, respectively, under the guidance of their respective linear channels, and insert them into the vertebrae through the endplate.

A portable urinal for use by people having limited mobility is disclosed. The portable urinal comprising a cabinet and a vessel. The cabinet having a base, a top wall, a rear wall, an openable and closeable door offset from the rear wall, and sidewalls extending from the base to the top wall and between the rear wall and the door. The vessel is located within the cabinet, and the vessel is configured to receive urine from a user. In addition, the vessel is removeable from the cabinet to facilitate disposal of the urine within the vessel.

A method incudes receiving multiple tags along an ablation curve that covers a partial circumference over an inner wall of a cardiac chamber of a heart of patient. Using the tags, the ablation curve is completed to a full circumference over the inner wall to eliminate a conduction gap in the ablation curve.

The present invention relates to the technical field of orthopedic medical instruments, and relates to an intramedullary nail for percutaneous pelvis internal fixation, comprising an anterior column intramedullary nail and a general intramedullary nail, and being used in cooperation with an external guide frame. A hollow channel is formed in the anterior column intramedullary nail and used for allowing an anterior column screw guide pin to pass through, and the anterior column screw guide pin allows the anterior column intramedullary nail to pass through the acetabular dome and the acetabular anterior wall to the ramus superior ossis pubis; a hollow channel is formed in the general intramedullary nail and used for allowing a transcolumn screw guide pin or a posterior column screw guide pin to pass through, and the general intramedullary nail can be used as a transcolumn screw and a posterior column screw; when the general intramedullary nail is used as a transcolumn screw, the transcolumn screw guide pin allows the transcolumn screw to pass through the acetabular dome and reach the sacroiliac joint along the interior of the greater sciatic notch without passing through the sacroiliac joint; and when the general intramedullary nail is used as a posterior column screw, the posterior column screw guide pin passes through the acetabular posterior wall to the proximal end of the greater sciatic notch without penetrating out of the cortical bone.

The utility model provides an acetabulum posterior wall fixing plate, and belongs to the technical field of medical instruments. The acetabulum posterior wall fixing plate comprises a fixing transverse plate and a fixing hook plate, a plurality of sets of first fixing holes are formed in the fixing transverse plate, the fixing hook plate is arranged on the upper end face of the fixing transverse plate, and the hook portion of the fixing hook plate is arranged towards the inner side wall, close to the bone surface, of the fixing transverse plate. The acetabulum posterior wall fixing plate is suitable for treating acetabulum posterior wall fractures, acetabulum posterior column fractures and acetabulum edge posterior wall fractures, the fixing hook plate is arranged at the upper end of the fixing transverse plate, the fixing hook plate is hung on the acetabulum posterior wall of a patient, fixing of a device is facilitated, stable fixing of the acetabulum edge fractures is facilitated, and the acetabulum posterior wall fixing plate is suitable for being used for treating acetabulum posterior wall fractures, acetabulum posterior column fractures and acetabulum edge posterior wall fractures. The fixing plate can be used independently, and can also be matched with other fixing plates for cooperative fixation.

A method incudes receiving multiple tags along an ablation curve that covers a partial circumference over an inner wall of a cardiac chamber of a heart of patient. Using the tags, the ablation curve is completed to a full circumference over the inner wall to eliminate a conduction gap in the ablation curve.

The utility model relates to the technical field of medical instruments, in particular to an isolation type uterus anti-adhesion support. The silica gel sheet comprises a silica gel sheet body, a plurality of convex rib strips are arranged on the front face and the back face of the silica gel sheet body in the vertical direction, and the convex rib strips are evenly distributed in the width direction of the silica gel sheet body. The multiple protruding ribs are arranged in parallel, and a drainage channel for secretions in the uterine cavity is formed by the plane between every two adjacent protruding ribs. The device is simple, reliable, practical, convenient to manufacture, low in cost and capable of ensuring complete isolation of the front wall and the rear wall of the uterus and reducing the risk of adhesion; the clinical requirements can be met, and the corresponding product specification needs to be selected according to the size of the uterus during use; secretions in the uterine cavity are drained from top to bottom through the drainage channel; the silica gel sheet body serving as the isolation piece is not provided with an opening, and complete isolation in the uterus can be achieved.

The utility model discloses an acetabulum posterior wall fixing steel plate which comprises a steel plate body and extending parts, the shape of the steel plate body is matched with the shape of the acetabulum posterior wall, steel plate fixing nail holes are evenly formed in the surface of the steel plate body, and the extending parts are detachably arranged on the upper end face and the lower end face of the steel plate body. And an extension part fixing nail hole is formed in the surface of the extension part. The problem that the size of an existing acetabulum posterior wall fixing steel plate cannot be conveniently adjusted according to the bone size of a patient is solved.

The invention describes and illustrates a contact having two opposite side walls, having a rear wall arranged between the side walls and having an insertion gap, the side walls and the rear wall together forming a contact cage. The plug-in gap is formed by two contact lips which are opposite each other, each contact lip forms a contact surface, the contact surfaces of the contact lips face each other, each contact lip is arranged in the contact cage in a manner of being oriented basically parallel to the side wall, each contact lip is formed by a side wall section which is bent into the contact cage, and the contact surface of the contact lips faces the contact surface of the contact lips. The side wall section forms a free end facing away from the bending region thereof, the contact part has a first insertion direction in which the mating contact part can be inserted into the insertion gap, and wherein each contact lip is equipped with at least one contact dome part facing each other, and the contact dome part of each contact lip is provided with a corresponding contact surface.

A pessary (50) having a generally rounded main body formed as a completely reticulated outer shell (52, 56, 58) surrounding a void (54) forming a hollow interior. The pessary is suitably spherical, ovoid or spheroidal and manufactured from an elastomeric material. This enables the pessary to be comfortably inserted into the vaginal cavity (22), where it can act (34) upon the cervix (32), and / or anterior / posterior walls of the vagina (22) to provide structural support to the cervix. The reticulated outer shell enables the pessary to compress radially inwardly so as to facilitate its insertion and extraction into or from the vaginal cavity.

A robotic surgical method for repair of an infrarenal aortic aneurysm with an aneurysm sac in an aorta of a patient includes introducing at least one arm and a camera of a robotic surgical system into designated ports of the patient. Then, a graft is attached to a proximal wall of the aorta. The aneurysm sac is decompressed by inflating an intravascular balloon and initiating flow in an arteriovenous circuit. Anterior posterior walls of the aneurysm sac are stapled and the robotic incisions are closed. A method for inserting a conduit includes deploying an intimal umbrella, partially expanding an expandable graft, deploying an adventitial umbrella, and fully inflating the expandable stent.

The present disclosure relates to a shroud (100) for humidifying air entering a tracheostomy valve (190), the shroud comprising a container (102) having a front wall (104) and a rear wall (108) configured to face an inlet (192) of the tracheostomy valve (190); the container (102) comprising a piece of material (110) enclosed by the front wall (104) and the rear wall (108) and a channel (112) extending through the front wall (104), through the piece of material (110) and through the rear wall (108) to allow external air (120) to flow through the container (102) to the tracheostomy valve (190) during inhalation.

The invention relates to an artificial lens capsular bag which is provided with a body and a strip rope fixing loop connected to the periphery of the body, the body is a tire-like structural body and is provided with a front wall, a rear wall and an edge, a body front opening is formed in the center of the front wall, a body rear opening is formed in the center of the rear wall, the front wall and the rear wall are connected with the edge of the body respectively, and a gap is formed between the front wall and the rear wall. The front wall and the rear wall are both composed of spokes, gaps are formed between the spokes on the same wall for liquid circulation, the spokes are transparent or opaque, and the spokes on the front wall and the rear wall and the gaps are arranged in a staggered mode when the spokes are opaque. By adopting the latticed tire-like structure with the strip rope fixing loop, the traction loop is fixed between sclera layers, so that the traction loop is convenient to guide and small in wound, and dislocation and deflection are not easily caused after an operation; the latticed structure is light, the anterior chamber and the posterior chamber are smoothly communicated, and the artificial lens is convenient to implant, stable to fix and wide in selection range.

An accommodating intraocular (AIOL) lens is configured to provide an amount of accommodation to allow a continuous range of vision that imitates the healthy human crystalline lens. The AIOL configuration include both filled and unfilled lens bodies with non-uniform external anterior surfaces. In embodiments, the AIOL includes a shell body and a filler material disposed within the shell body, wherein the thickness of either the anterior wall or posterior wall is non-uniform. In other embodiments, the AIOL includes a pliable lens body of an optically clear copolymer defined by an anterior surface and a posterior surface, wherein one of the anterior surface or posterior surfaces characterized by a discontinuity in the optical surface.

The utility model relates to a uterine prolapse teaching model, which comprises a pelvic organ model, the pelvic organ model comprises a vagina anterior wall, a vagina posterior wall and a uterus, the pelvic organ model is equally divided into a first model and a second model along the vertical direction, and the first model and the second model can rotate relatively. The vagina front wall and the vagina rear wall are located on the sides, close to each other, of the first model and the second model respectively, the first model and the second model are arranged in a closed mode in the initial state, and the uterus is located in a channel formed by the vagina front wall and the vagina rear wall and can move along the channel. The vagina front wall and the vagina rear wall are both provided with scale marks used for displaying uterine prolapse scale division. The uterine prolapse teaching mold not only can clearly demonstrate different prolapse graduations of the uterus and ensure the teaching quality, but also is convenient to store when not in use.

In one embodiment, an intervertebral implant includes a body and a locking element. The body includes a leading surface and a trailing surface opposite the leading surface. The body also includes first and second bone fastener passageways through the implant body and a cavity in between the first and second passageways. The cavity includes a trailing wall that separates the cavity from the trailing surface. The locking element is disposed in the cavity such that part of the locking element is visible through an access opening in the trailing wall so that the locking element may be rotated from outside of the implant. In a first rotational position, a first part of the locking element is located within one of the first and second passageways and in a second rotational position, the first part of the locking element is inside the body covered by the trailing wall.

A system for use with a bed having a frame and a supporting surface includes a sheet having a bottom surface configured to be placed above the supporting surface and a top surface opposite the bottom surface, and a wedge having a wedge body with a base wall, a ramp surface, and a back wall, wherein the base wall has a base engagement member configured to engage a surface of the bed to form a selective gliding assembly that resists movement of the wedge with respect to the bed in a direction extending from the back wall toward the apex, and wherein the base engagement member is configured as a patch, the patch covering only a first portion of the base wall such that edges of the engagement members are spaced from edges of the base wall to allow a second portion of the base wall to be exposed.

The utility model provides a postoperative catheter fixing clamp for the hepatobiliary department. The postoperative catheter fixing clamp for the hepatobiliary department comprises a mounting part, fixing parts are fixedly connected to the edges of the left side and the right side of the top of the mounting part correspondingly, elastic rods are fixedly connected to the surfaces of the rear walls of the two fixing parts correspondingly, bending parts are arranged on the surfaces, close to the bottoms, of the elastic rods, the surfaces of the bending parts abut against the surfaces of the fixing parts, and the surfaces of the bending parts abut against the surfaces of the fixing parts. Top limiting pieces are fixedly connected to the tops of the two fixing pieces, limiting grooves are formed in the surfaces of the top limiting pieces, first fixing shafts are fixedly connected to the surface of the mounting piece in a bilateral symmetry mode, and first limiting clamping plates are rotationally connected to the surfaces of the first fixing shafts; the postoperative catheter fixing clamp for the hepatobiliary department has the advantages that a patient can conveniently and rapidly adjust the catheter fixing clamp according to the moving state at the moment, and meanwhile a plurality of catheters can be fixed and collected.

The utility model discloses a porous building block, a solid building block and a bank protection structure, and belongs to the field of bank protection structures. The two first bulges are arranged on one adjacent side surface of the tabulate main body; the two first grooves are formed in the other adjacent side surface of the tabulate main body; the peripheral wall is connected with the flat plate-shaped main body; the through holes are formed in the peripheral wall, and the sectional areas of the through holes are gradually increased in the direction from the inner surface to the outer surface of the peripheral wall. The peripheral wall comprises a front wall, a left wall, a rear wall and a right wall which are sequentially connected in a surrounding mode, the front wall, the left wall, the rear wall and the right wall are all connected with the tabulate body, and through holes are formed in the front wall, the left wall and the right wall. The height of the front wall is larger than that of the rear wall, and the height of the left wall and the height of the right wall are gradually increased in the direction from the rear wall to the front wall. The utility model has the technical effects that not only is the anti-scouring performance of the slope surface improved, but also an inhabiting space is provided for organisms.

The present invention relates to a temporal bone implant (SI) provided for at least partially reconstructing the posterior wall of the external auditory canal, comprising a first portion (A1) which is shaped as a tube or tube segment and designed to form at least one wall portion of the posterior wall by covering a space within the temporal bone, thereby separating the auditory canal from the space. [Solution] The first part (A1) transitions into a plate-shaped second part (A2) oriented laterally to the first part (A1). This second part (A2) is attached to the mastoid process of the temporal bone and, together with the first part (A1), is provided to cover the gap.

A system for use with a bed having a frame and a supporting surface includes a sheet having a bottom surface configured to be placed above the supporting surface and a top surface opposite the bottom surface, and a wedge having a wedge body with a base wall, a ramp surface, and a back wall, wherein the base wall has a base engagement member configured to engage a surface of the bed to form a selective gliding assembly that resists movement of the wedge with respect to the bed in a direction extending from the back wall toward the apex, and wherein the base engagement member is configured as a patch, the patch covering only a first portion of the base wall such that edges of the engagement members are spaced from edges of the base wall to allow a second portion of the base wall to be exposed.

1. Name of the product in this design: Posterior wall reconstruction plate of the acetabulum. 2. Purpose of this design: Steel plate for fixing fractured acetabulum. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The present application relates to a surgical anastomosis apparatus, and specifically discloses a skull base brain dura mater anastomosis device, which comprises a tube group component, an anastomosis execution component, a handle operation component and a dura mater patch for anastomosis to an opening of skull base dura mater; the dura mater patch comprises a patch bottom wall and a patch side wall surrounding the patch bottom wall, and a front wall and a rear wall opposite to each other and an annular gap between the front wall and the rear wall are formed on the patch side wall by bending the patch side wall; the edges of the opening of the skull base dura mater are embedded into the annular gap by making the patch side wall pass through the opening of the skull base dura mater; the anastomosis execution component comprises a substrate component and a staple ejection mechanism, so that the substrate component is located at the rear side of the rear wall, the staple ejection mechanism is located at the front side of the front wall and is driven by the handle operation component to eject a staple to the front wall and make the staple pass through the front wall, the skull base dura mater of the opening edge, the rear wall in turn and nail the three of the front wall, the skull base dura mater and the rear wall through the stop of the substrate component.

The invention relates to a surgical anastomosis instrument, and particularly discloses a skull base cerebral dura mater anastomosis device which comprises a tube set component, an anastomosis execution component, a handle operation component and a dura mater patch used for being anastomosed to an opening of a skull base dura mater. The dura mater patch comprises a patch bottom wall and a patch side wall surrounding the patch bottom wall, and the patch side wall is bent to form a front wall and a rear wall which are opposite front and back and an annular gap between the front wall and the rear wall; the side wall of the patch penetrates through the opening of the skull base dura mater, so that the edge of the opening is radially embedded into the annular gap; the anastomosis execution part comprises a substrate part and a nail discharging mechanism, so that the substrate part is located on the rear side of the rear wall. The staple discharging mechanism is located on the front side of the front wall, is driven by the handle operating component and is used for discharging staples to the front wall and enabling the staples to sequentially penetrate through the front wall, the skull base dura mater on the edge of the opening and the rear wall, and the front wall, the skull base dura mater and the rear wall are nailed through stopping of the substrate component.