31 results about "Anterior wall" patented technology

To provide a fracture treatment fixation device for femoral fractures, enabling further reliable treatment of fractures of proximal femur.SOLUTION: A fracture treatment fixation device for treating femoral fractures includes: an intramedullary nail to be inserted into a femoral cavity; a lag screw disposed to penetrate the intramedullary nail diagonally upward and entering a femoral head and a femoral neck; an anterior wall plate to be applied to an anterior wall of a femoral trochanter; and an anterior wall plate fixation pin disposed to penetrate the intramedullary nail and secure the anterior wall plate to the anterior wall of the femoral trochanter.SELECTED DRAWING: Figure 1

The utility model discloses an esophageal hiatus hernia patch structure, which belongs to the technical field of hernia patch structures, a hernia patch main body consists of a hollow part, a hernia patch upper part, a hernia patch left part and a hernia patch lower part, and a fixed lower hernia patch and a movable upper hernia patch are sleeved on the hernia patch main body. The upper hernia patch body is in sliding connection along the sliding attaching cavity in the hernia patch body through the limiting sliding block, the lower hernia patch body and the upper hernia patch body are of an elastic structure and an extrudable structure, the hernia patch body is placed at the position of an esophageal fissure for filling and fixing the length and width of all boundaries, the probability that cutting is needed in an operation is small, the operation time is saved, and the operation efficiency is improved. The size of the esophageal crack is standardized as the target, the unsolid closed opening of the patch has certain extensibility, the postoperative dysphagia complication is further relieved, the patch of the model further reinforces the front wall of the esophageal crack, the recurrence of hernia is further reduced, and the high-adaptation and adjustable functions are achieved.

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.

Disclosed herein is an angled wall femoral component (500) of a cam-post knee arthroplasty system for posterior cruciate ligament (PCL) replacement total knee arthroplasty (TKA) or revision TKA (rTKA) procedures, such as cruciate ligament (CS), bilateral cruciate ligament (BCS), or posterior stabilization (PS) procedures. The angled wall femoral component may include a femoral box (502) configured to receive a tibial post (110) of a corresponding tibial component (100). The anterior wall (508) of the femoral box is angled anteriorly and may include an anterior cam (561). The anterior wall is angled anteriorly to allow clearance between the anterior side of the tibial post and the anterior wall, while allowing a movable engagement between the tibial post and the anterior cam during knee flexion and extension, to which the femoral component is implanted.

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.

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.

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 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.

The invention belongs to the field of intelligent medical treatment, and particularly relates to a system for treating SUI through transvaginal urethra middle section parapubis ligament linear suspension. The system comprises: a positioning dissection treatment unit 101, which is used for longitudinally cutting the vagina anterior wall mucous membrane along the median line of the vagina anterior wall to a set depth under the urethral transverse sulcus; the separation and exposure treatment unit 102 is used for separating the bladder from the vaginal wall, then separating the left / right gap of the bladder to obtain free fascia beside the middle section of the left / right urethra, and exposing the left / right pubis descending lateral ligament; and the suspension treatment unit 103 is used for respectively lifting fascia beside the middle section of the left / right urethra to a left / right pubis descending lateral ligament obliquely above the urethra for suturing and fixing. The inverted splayed linear seam of the fascia tissue beside the middle section of the urethra is hung to the ligament beside the pubis, meanwhile, the sutures on the two sides do not intersect at the middle line of the urethra, the included angle between the urethra and the bladder is recovered from the anatomy of the autologous tissue, the risks of mesh erosion, exposure and the like are avoided, and postoperative urethra obstruction and urinary retention are reduced.

The application belongs to the field of intelligent medical treatment and particularly relates to a system for treating SUI through transvaginal urethral middle segment pubic paravaginal ligament linear suspension. The system comprises: a positioning and dissection processing unit (101) for incising the mucosa of the anterior vaginal wall along the longitudinal line of the anterior vaginal wall to a set depth reaching the urethral transverse groove; a separation and exposure processing unit (102) for separating the bladder from the vaginal wall, then separating the left / right side space of the bladder to obtain the free left / right side urethral middle segment paravaginal fascia and expose the left / right side pubic ramus lateral ligament; and a suspension processing unit (103) for respectively lifting the left / right side urethral middle segment paravaginal fascia to the left / right side pubic ramus lateral ligament obliquely above and suturing and fixing. The application linearly sutures and suspends the urethral middle segment paravaginal fascia tissue in a reverse V shape on the pubic paravaginal ligament, and the sutures on the left and right sides do not cross at the urethral midline, which not only anatomically recovers the urethra and bladder angle with autologous tissue, avoids the risk of mesh erosion and exposure, but also reduces the incidence of postoperative urethral obstruction and urinary retention.

The invention provides a detection method and system for non-invasively evaluating the degree and position of functional myocardial ischemia. The method comprises the following steps: acquiring 12-lead high-frequency electrocardiosignal data of a testee; preprocessing the signal, and extracting a QRS wave band signal; performing signal averaging on the qualified QRS wave bands according to leads to generate 12 average high-frequency QRS; extracting a feature combination reflecting the functional myocardial ischemia and having clinical physiological significance from the signals; mapping leads to the heart apex, the front wall, the dividing wall, the lower wall and the side wall and aggregating regional features; obtaining a region score through linear combination; monotonicity is calibrated as regional ischemia percentage by adopting isotonic regression; and outputting the total heart ischemia percentage and the ischemia position in an equal-weight average manner. The method is highly related to the SPECT / CT gold standard, the degree and position of functional myocardial ischemia can be noninvasively and accurately detected, the method is not limited by detection sites, a new method is provided for checking myocardial ischemia, and the incidence rate of malignant heart diseases is reduced.

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.

The present invention relates to a laparoscopic clasp (1) that during laparoscopic bowel surgery, grasps the inner part of the small or large intestine abdomen with the curved handles (5 or 6) at the end, allowing the intestines to be held securely, pulling the intestines out of the surgical field and performing surgical suturing, resection and vascular ligation by compressing and / or hanging the intestines in the gap between the handles of the right curved handle (6) by hanging with a hooked needle (7.1) at the end of the surgical suture (7), which is passed through the circular gap (2.1 or 3.1) on the flap (2 or 3) to the anterior abdominal wall, which forms the anterior part of the abdominal cavity and spreads to the anterolateral region of the abdominal wall. Laparoscopic bowel surgery is a technique used in the surgical treatment of abdominal organs by making several small holes, usually 0.5 to 2 cm in width, instead of large incisions, and pipes called trocars are inserted into the patient through the holes and carbon dioxide gas is given to the patient's abdomen through these pipes and the patient's abdomen is inflated. Our invention, together with the spring mechanism (4) between the flaps (2 and 3), provides the capture of the segment of the intestine with the curved handles (5 and 6), and functions after it is closed and opened and fixed by hanging on the anterior abdominal wall (with the help of laparoscopic endograsper and endoclinch) lifted by the pressure generated during abdominal distension.

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 a device for insertion into a vaginal canal of a human, said device is configured to provide support along a front and back wall of said vaginal canal in an extent including an upper and lower end of said vaginal cavity, to restore a anatomy of the vaginal canal, said device comprising a body portion made of resilient material having a horizontal extension, a medial extension, a frontal extension, and an interior cavity (2) provided within said body portion, wherein said medial extension is smaller than said horizontal and frontal extensions, and wherein the device can be fully housed within said vaginal canal.

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 tissue expander includes a shell having an anterior wall with superior and inferior zones, and one or more drainage openings formed in the inferior zone. A fill port assembly is located within the superior zone, and a drain port assembly is located within the inferior zone and is in fluid communication with the one or more drainage openings. The fill port assembly is isolated from the drain port assembly that is located within the inferior zone. The drain port assembly includes a drain cover having an elongated body, a central hub, one or more fluid reservoirs between the first and second ends of the elongated body, and an outer face that surrounds the fluid reservoirs. The outer face of the drain cover is secured to an inner surface of the anterior wall and surrounds the one or more drainage openings formed in the inferior zone of the shell.

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.

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.

The utility model relates to a special-shaped pelvic floor repairing mesh which comprises a uterus and vagina front side mesh and a uterus and vagina rear side mesh, the uterus and vagina front side mesh is fixedly connected with the uterus front side surface and the vagina front wall, and hanging belts are arranged on the two sides of the uterus and vagina front side mesh and used for being connected with iliopectinea ligaments on the two sides of the uterus. The utility model has the beneficial effects that the front and rear sides of the uterus and the vagina are respectively suspended and fixed through the uterus and vagina front side mesh and the uterus and vagina rear side mesh, the occurrence of pelvic organ prolapse is effectively avoided, the cutting line is arranged at the joint of the uterus and vagina front side mesh and the uterus and vagina rear side mesh, and the uterus and vagina front side mesh and the uterus and vagina rear side mesh can be matched for use; the device can be detached for use according to needs, and various requirements can be flexibly met; the uterus and vagina front-side mesh is used for lifting the front side of the lower portion of the uterus through the hanging belt, meanwhile, supporting on the anterior wall of the vagina is enhanced, and the condition of prolapse of the anterior wall of the vagina is effectively handled.

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 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 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 invention provides a wing-shaped arch bridge hammock type pelvic floor support, and relates to the technical field of medical supplies, the wing-shaped arch bridge hammock type pelvic floor support comprises an elastic annular supporting ring, the two sides of the annular supporting ring are used for abutting against pubis descending branch and ischium descending branch, and the front end and the rear end of the annular supporting ring are concaved inwards to form a first arc-shaped concave part and a second arc-shaped concave part; the first arc-shaped indent can be attached to the inner side face of the pubis, the end of the first arc-shaped indent abuts against the middle section of the pubis, the second arc-shaped indent can avoid the uterus, and due to the fact that the annular supporting ring and the two ends of the first arc-shaped indent are matched with the pelvic cavity, the falling probability of the pelvic floor support is reduced. The two side walls of the first arc-shaped concave part extend upwards along an arc line to form first arch bridges, the two first arch bridges are connected with the side wall of the second arc-shaped concave part, and a connecting block is arranged in a space defined by the two first arch bridges, the first arc-shaped concave part and the second arc-shaped concave part to form a hammock for supporting the anterior wall of the vagina. The top of the hammock is attached to the anterior wall of the vagina, so that the anterior wall bladder is fully supported.

This invention provides a fracture treatment fixation device for femoral fractures that can more reliably treat proximal femoral fractures, including cases where the posterior wall portion is not separated. [Solution] A fracture treatment fixation device for treating a femoral fracture, comprising: an intramedullary nail inserted into the femoral cavity; a lag screw positioned to penetrate the intramedullary nail diagonally upward and enter the femoral head and femoral neck; an anterior wall plate applied to the anterior wall of the femoral trochanter; and an anterior wall plate fixing pin positioned to penetrate the intramedullary nail and to fix the anterior wall plate to the anterior wall of the femoral trochanter, wherein the anterior wall plate fixing pin is configured to be screwable into the intramedullary nail.

The utility model belongs to the technical field of medical instruments, and particularly relates to a vagina operation drag hook which is mainly used for retracting vagina tissue of a patient in a vagina operation. The front wall retractor mainly comprises a front wall retractor body which is provided with a rotatable first connecting part; the rear wall drag hook is provided with a second connecting part; wherein the first connecting part is in sliding connection with the second connecting part; the fixing assembly is connected with the first connecting part and the second connecting part, the fixing assembly has a releasing state and a locking state, and in the releasing state, the front wall drag hook and the rear wall drag hook can move relative to each other and can get close to each other or get away from each other; in the locking state, the distance between the front wall drag hook and the rear wall drag hook is determined, and the problems that in the existing operation process, a large amount of manpower needs to be consumed to maintain retraction of the vagina of a patient, and consequently the manual labor is large, and manpower resources are wasted are mainly solved.