35 results about "Posterior wall" patented technology

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.

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 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.

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 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.

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.

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.

This program causes a computer to execute processing for: acquiring a fluoroscopic image of a patient to whom a treatment related to an artificial hip joint including a cup is to be applied; and inputting the acquired fluoroscopic image to a trained model that has been trained to output, when a fluoroscopic image is inputted thereto, positional information on the anterior wall of the acetabulum and the posterior wall of the acetabulum of the patient, thereby deriving the positional information on the anterior wall of the acetabulum and the posterior wall of the acetabulum of the patient.

A medical device for occluding a left atrial appendage ("LAA") may include a proximal occluding member to cover an ostium of the LAA and a distal occluding member to be received within a cavity of the LAA. A connecting member may connect the proximal occluding member to the distal occluding member. An occluding material may be uncoupled from the proximal occluding member in a delivery condition of the proximal occluding member, and uncoupled from the distal occluding member in a delivery condition of the distal occluding member, the occluding material configured to at least partially fill and occlude the LAA. In some examples, the distal occluding member is entirely excluded, and the medical device includes other anchoring provisions, such as tethers that latch onto a back wall of the LAA.

This image is a medical information display image that shows whether or not each region of the stomach, which has a greater curvature, lesser curvature, anterior wall, and posterior wall, has been imaged using endoscopy.

The invention relates to the field of medical instruments, in particular to a vagina posterior wall incision positioning separator which comprises a separator operating rod and a separator duckbilled head. The front part of the separator duckbilled head is wide and flat, the front end of the separator duckbilled head is provided with a convex outer edge ridge, and the rear end of the separator duckbilled head is detachably connected with the separator operating rod. By means of the device, an assistant can accurately control and position the vaginal incision conveniently, the uniformity of the incision is guaranteed, the rectum injury risk is reduced, incision bleeding is reduced, and the operation time is shortened.

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.

This image is a medical information display image that shows whether or not each region of the stomach, which has a greater curvature, lesser curvature, anterior wall, and posterior wall, has been imaged using endoscopy.

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.

A device (10.1) for shaping a tip of an intravascular catheter. The device comprises a housing (16) formed by a top wall, a bottom wall, two side walls and a back wall, forming a shaping chamber (26) accessible through an opening which can be closed by a door. Inside the compartment, the device comprises at least one shaping element (32) mounted to at least one of the top wall, the bottom wall, the side walls or the back wall, which is actuatable to shape a catheter tip portion. Furthermore, the compartment comprises at least one adjustable holding element (30.1, 30.2) which holds the catheter in a position for engagement with the shaping element or guides it towards the shaping element. Furthermore, the compartment comprises a shape shaping element and a shape fixing element to assist in molding the catheter tip and to firmly fix its shape.

An expandable interbody spacer for spinal fusion includes opposing upper and lower end plates. An actuator moves the upper and lower end plates heightwise relative to one another to expand the height of the expandable interbody spacer. An end plate fastener secures the upper and lower end plates to one another and enables the upper and lower end plates to heightwise move relative to one another. The upper and lower end plates and the at least one end plate fastener are integrally formed as a single, one-piece, monolithic component. An expandable interbody space may include upper and lower end plates with overlapping anterior and posterior walls that define openings in communication with an internal chamber. An expandable interbody spacer may include a barrel nut defining a window to enable bone graft to pass therethrough and into an internal chamber.

This specification discloses intraocular lenses having a function to counteract the effects of anterior capsule contraction, and methods for implanting such intraocular lenses. In some embodiments, the intraocular lens may include an optical partial fluid chamber and a haptic having a haptic fluid internal passage that fluidly communicates with the optical partial fluid chamber. The haptic fluid internal passage may include a thickened anterior portion, so that the thickness of the anterior wall of the haptic is greater than the thickness of the posterior wall. Furthermore, the intraocular lens may include one or more struts positioned within the haptic fluid internal passage. The struts and / or thickened anterior portion of the haptic may maintain the shape of the haptic fluid internal passage in response to forces applied to the haptic as a result of anterior capsule contraction.

The utility model provides a gynecological operation uterus manipulator. The gynecological operation uterus manipulator comprises a sheath rod, a cervical support, a hollow lifting rod and an opening and closing mechanism. A guide hole suitable for penetrating the guide rod is axially formed in the center of the sheath rod in a penetrating manner, one end of the guide hole is in threaded fit with the cervical support, the cervical support is provided with a central hole axially penetrating, and one end, far away from the sheath rod, of the cervical support is provided with an external thread section; one end of the hollow lifting rod is screwed and matched with the external thread section, and the other end is connected with the opening-closing mechanism; wherein the opening and closing mechanism has a closing state that the opening and closing mechanism abuts against the periphery of the hollow lifting rod and an opening state that the opening and closing mechanism is opened in the radial direction of the hollow lifting rod to form an umbrella-shaped supporting face, and the umbrella-shaped supporting face is used for abutting against and supporting the back wall of the uterus. According to the gynecological operation uterus lifting device, the hidden danger that the uterus lifting head punctures the back wall of the uterus can be avoided, and the operation safety and the accuracy of the uterus placing position are improved.

The invention relates to a mandibular advancement device with a stabilizing structure. The mandibular advancement device comprises an upper tray assembly and a lower tray assembly, wherein the upper tray assembly is formed by an upper moldable part and an upper support, and the lower tray assembly is formed by a lower moldable part and a lower support. The front side edges, close to the lip side, of the upper support and the lower support extend to form a front wall, and at least the rear side edge, close to the tongue side, of the lower support extends to form a rear wall on the median sagittal plane. The stabilizing structure enables at least the front wall of the upper support to incline towards the lingual side and is used for being attached to the maxillary dentition when the patient is shaped. The rear wall of the lower support and the front wall clamp the mandibular dentition together and also have the function of preventing the lower moldable component from sliding off. In some cases, the stabilizing structure further comprises a molar clamping part, the molar clamping part at least comprises a front wall and a rear wall at the contact position of the upper bracket and the molar, and the mandibular advancement device is more stable through the design of the front wall and the rear wall of the part. The lower jaw advancing device is further provided with protrusions on the upper support and the lower support.

The present disclosure relates to a catheter cutting tool (10) configured to provide accurate and safe trimming of catheter tubing. The tool (10) comprises a lower housing (14) having a front wall (18) and back wall (20) spaced to define a gap (22), each wall including a catheter-receiving aperture (24) for coaxial support of tubing. An upper housing (12) is mounted for guided vertical movement relative to the lower housing (14) and carries a cutting blade (16) that passes through the gap (22) to sever the tubing. A retention assembly comprising lugs (26, 26a, 26b) and sliders (34) with locking profiles (38) selectively holds the upper housing (12) in an open position before use and / or in a closed, locked position after use. In one embodiment, engagement with a second pair of lugs (26b) produces an irreversible lock for single-use. In another embodiment, only a first pair of lugs (26a) is provided, enabling reset for multiple uses. Optional features include a handle (28), guide rails, and interchangeable aperture inserts.