54 results about "Sacral Bone" patented technology

The present invention provides a sacral-iliac plate having an iliac portion with a first screw hole for receiving a first fastener to secure the iliac portion to the iliac bone. A sacral portion integrated monolithically with the iliac portion is also provided with a second and third screw holes for receiving second and third fasteners to secure the sacral portion to the sacral bone. The sacral portion also includes a tulip for receiving and securing a spinal rod.

The present invention relates to a multifunctional artificial greater pelvis pros thesis. It is formed from sacral bone connection device, lumbar vertebrae connection device, greater pelvis replacement device and femur and ischium connection device. Said invention also provides the concrete structure of the said every device and their connection mode.

A using method and apparatuses of foramen catheter needle scope of the present invention uses a new approach, new sites and set of apparatuses to block sacral nerves or nerve plexus to reduce pain during operating. The present invention uses an endoscopic video system with foramen catheter needle scope to introduce anesthetic agents via catheter through foramen of sacral bone to block the sympathetic and parasympathetic nerve fibers of lower pelvis, which includes the innervation of uterus, vaginal canal and perineum.

The present invention provides a pelvic prosthesis. The pelvic prosthesis comprises an acetabular cup, an ilium support and a pubis plate are respectively arranged on the acetabular cup, an ilium support connecting plate is arranged on the ilium support, and tantalum coating porous bone trabecular interfaces are arranged at a contact part of the ilium support connecting plate and an ilium, a contact part of the pubis plate and a pubis, and a contact part of the ilium support and human body; a shape of the ilium support is irregular polygon, a plurality of locking long nail holes are arranged in the ilium support, axial directions of the plurality of the locking long nail holes are different, and locking long nails penetrate through the locking long nail holes of the ilium support to be connected with sacrum or lumbar vertebrae. The tantalum coating porous bone trabecular interfaces on the ilium support can ensure a sufficient bonding strength of the prosthesis and a host bone interface, improve long-term stability of the prosthesis in vivo and realize deep fusion of the prosthesis and a host bone tissue; the tantalum coating porous bone trabecular interfaces of the ilium support connecting plate increase stability and safety of the prosthesis and can play roles in mechanical support and bone ingrowth; and the locking long nail holes increase the stability of the prosthesis andreduce mounting difficulty of the prosthesis..

The title of the invention is devices for and methods of measuring, enhancing, and facilitating correct spinal alignment. The present invention provides a device for measuring, enhancing, and facilitating optimal spinal alignment using an Atlas bar with an Atlas pad inserted into an Atlas sheath configured to be placed on three distinct areas of the spine of a user when worn by the user, and a method thereof. The device comprises: (a) an Atlas pad at the center of the Atlas vertebra; (b) an Atlas sheath at the center of the thoracic region; and (c) a sacrum pad on the Atlas sheath at the center of the sacrum. The Atlas pad may be removed and replaced as the spinal alignment of a user improves. The device may be held in place on the body of the user by using a torso harness attached to a jacket or other wearable garments, or a backpack. When in use, the Atlas bar and the Atlas sheath simultaneously and physically come in contact with three areas of the spine of the user to provide the user with tactile feedback and create proprioceptive awareness representing improvement of spinal alignment over time.

A method of back and neck correction or back and neck alignment includes placing a pad in the form of a strip on a floor. A person then lies on the strip such that (a) the strip is beneath a person's head and one end is positioned from about the 8^th to about the 10^th thorax vertebrae, or (b) a person's sacrum is on the strip such that one end of the strip is between the top of the sacrum and the lowest lumbar vertebra. The strip is made from a material that is about 8 inches to about 48 inches in length; about 0.5 to about 6 inches in height; and about 1 inch to about 6 inches in width and having a compressive force deflection at 25% deflection of from about 0.5 to about 50 psi.

The invention discloses a titanium alloy hemipelvic prosthesis capable of individually retaining part of the acetabulum through 3D printing. The titanium alloy hemipelvic prosthesis comprises a prosthesis contact surface matched with the sacrum, a prosthesis contact surface matched with the rest acetabulum and a cylindrical structure for connecting the two prosthesis contact surfaces, wherein a porous structure is designed on the contact surface attached to the bone tissue, a covered edge is arranged outside the porous structure, two screw holes are formed in the middle of the porous structure, and the prosthesis and the adjacent bone tissue can be fixed by screws, so that early stability is obtained and long-term stability is achieved. The prosthesis contact surfaces are designed according to imaging data collected in the early stage and can be perfectly matched with the sacrum and the rest acetabulum of a patient, and the cylindrical structure is optimally designed through finite element mechanical analysis and a topological structure. The titanium alloy hemipelvic prosthesis is designed according to the remodeling requirement of the residual acetabulum of the underage patient after acetabulum tumor resection, and a relatively good hip joint function can be obtained by restoring the acetabulum structure after remodeling.

The invention discloses a 3D printing semi-pelvic prosthesis. The 3D printing semi-pelvic prosthesis comprises a prosthesis contact surface matched with the sacrum, a prosthesis contact surface matched with the contralateral pubis, a semi-circular acetabular cup structure and a cylindrical structure connecting the prosthesis contact surfaces and the semi-circular acetabular cup structure. The prosthesis contact surfaces at two ends are designed with porous structures, edge wrapping structures outside and two screw holes in the middle, and the cylindrical structures are designed by finite element mechanical analysis and topological structure optimization. The prosthesis contact surfaces at two ends, designed through early collected imaging data, can perfectly fit the sacrum and the contralateral pubis of a patient, respectively; the prosthesis and the contacted bone can be fixed through screws, the position of the center of the semi-circular acetabular cup structure after reconstructionis consistent with that of the original acetabulum center, so that better hip joint function and early stability can be achieved, and the porous structures of the prosthesis contact surfaces are beneficial to later bone ingrowth, so as to achieve long-term stability.

The invention relates to a treatment bed for patients with critical condition, unconsciousness or self-movement disorder, in particular to an intelligent air cushion mattress capable of preventing pressure sores. The intelligent air cushion mattress capable of preventing the pressure sores includes an air cushion mattress body. The air cushion mattress body includes a wave-shaped flat air cushion,an upper air cushion C and a lower air cushion D. The wave-shaped flat air cushion includes a wave-shaped flat air cushion A and left and right side wave-shaped flat air cushion B, when the upper aircushion C and the lower air cushion D are inflated to help a patient to turn sideways, the wave-shaped flat air cushion A and the wave-shaped flat air cushion B have the following functions that (1)the air pressure is adjusted and the hip contact area of the patient is increased to reduce the pressure on the posterior superior iliac spine and tailbone and sacral bone; (2) friction is increased to prevent the patient from slipping when turning sideways on the left side and the right side; (3) the ventilation of patients who are bedridden for a long time is increased; and (4) the function of A2 on the left side and the right side is to prevent side slip when the patient turns left and right to ensure the safety of the patient.

The present invention provides an implant for reconstructing an acetabulum and at least part of a pelvic structure. To this end, the implant comprises a frame structure embodied by at least one first profile element for transferring joint forces, a joint section which forms at least part of an artificial acetabulum, at least two attachment sections for attaching the implant to bone tissue, wherein a first attachment section is provided for attachment to a sacral bone or iliac bone and a second attachment section is provided for attachment to a pubic bone, and at least one plate element for supporting internal organs, which is surrounded by the frame structure, at least in sections.

The invention provides a sacrum nerve puncture path simulation planning system and device, and relates to puncture operation simulation. The sacrum nerve puncture path simulation planning system comprises an image obtaining module and a path simulation planning module, and the image obtaining module is configured to obtain scanning images of sacrum, sacral foramen and a positioning grid located at a lumbosacral part; and the path simulation planning module is configured to establish a three-dimensional model of the sacrum, the sacral foramen and the positioning grid according to the scanned image, and acquire a virtual puncture path penetrating through the positioning grid to reach a sacrum set position and an intersection point of the positioning grid and the virtual puncture path according to the three-dimensional model. The problems that at present, sacral nerve holes are directly punctured for many times, and pain of patients is large are solved. By acquiring the scanning images of the positioning grid, sacrum and sacral foramen, taking the positioning grid as a positioning reference, reconstructing the three-dimensional model of the sacrum, the sacral foramen and the positioning grid, taking a reference of penetrating through the positioning grid to reach a sacrum set position, and establishing a plurality of virtual puncture paths, a human organ state and an actual puncture process are simulated.

The invention is embodied in an apparatus for extending the human back. The preferred apparatus has a frame of transverse and longitudinal members, and a roller 20 rigidly supported from below by a transverse member. The space above the roller and frame is open so that a user can lie face up on the roller and grab the longitudinal members with each hand to extend the back over the top of the roller. The user then lowers his hips to extend the spine as much as desired. The user can roll the spine, vertebrae by vertebrae, from the base of the occipital to the sacrum.

The invention provides a holding posture auxiliary jumpsuit, which comprises a front body and a rear body, the front body and the rear body are connected to form a garment body, and the rear body is provided with a forearm indicating point arranged below a neckline of the rear body and used for indicating an arm bending position of one arm, and a back arm indicating point arranged below a neckline of the rear body and used for indicating an arm bending position of the other arm; the first palm indicating point is located on the waist side of the rear body and used for indicating the palm position of one arm; and the second palm indicating point is located at the position, corresponding to the sacrum or close to the sacrum, of the rear bodice and used for indicating the palm position of the other arm. The forearm indicating point indicates that the forearm of one arm passes through the back neck, the arm bend surrounds the back neck, the first palm indicating point indicates that the palm of one arm is placed on the waist side of a baby, and the second palm indicating point indicates that the palm of the other arm is placed on the sacrum. Under the holding posture, the head and limbs of the baby are comfortable, and the situation that the spine development of the baby is affected by the unreasonable holding posture is avoided.

The invention discloses a refined reconstruction modeling and mechanical analysis method for a female pelvic floor system under a sagittal plane, and belongs to the field of analysis and exploration of female pelvic floor stress sexual dysfunction. The method comprises the following steps: firstly, taking organs and ligaments of a female pelvic floor system as research objects, obtaining a two-dimensional image picture of the pelvic floor organ based on a nuclear magnetic resonance technology, and accurately reconstructing a contour curve and a geometric model of the female pelvic floor organ under a sagittal plane by using computer-aided design software and a curve fitting method; secondly, a mechanical calculation formula of ligaments such as a main ligament and a sacrum ligament under the sagittal plane is given, and a finite element analysis method of female pelvic floor system biomechanics under the sagittal plane is provided. The method is suitable for geometric model reconstruction and biomechanical analysis under the sagittal plane of female pelvic floor systems of different ages and types, can be used for developing a mechanical analysis system and an intelligent auxiliary analysis system, and has important guiding significance for exploring and researching the mechanical action law and damage mechanism of the female pelvic floor systems.

Spinal implants for limiting flexion of the spine are implanted between a superior spinous process and an inferior spinous process or sacrum. The implants include upper straps which are placed over the upper spinous process, while the lower portions of the implant are attached to the adjacent vertebra or sacrum. The attachments may be fixed, for example using screws or other anchors, or may be non-fixed, for example by placing a loop strap through a hole in the spinous process or sacrum.

The invention provides a sacrum fixing bracket. The sacrum fixing bracket comprises fixing plates (1), support rods (2) and patches (4), wherein the plurality of support rods (2) comprise first support rods (21) and second support rods (22), and the first support rods (21) and the second support rods (22) are parallel to each other or have included angles in the axial extension direction; the patches (4) are arranged between the first support rods (21) and the second support rods (22); each support rod (2) comprises a rod head part (201), a rod body part (202) and a rod tail part (203); the rod head part (201), the rod body part (202) and the rod tail part (203) are connected in sequence; each fixing plate (1) is connected with the corresponding rod head part (201); the rod tail part (203)of each first support rod (21) is connected with the rod tail part (203) of the corresponding second support rod (22). For the sacrum fixing bracket, cut-off grooves are arranged in each fixing plate, the fixing position of each fixing plate on the ilium is adjusted according to use demands, the redundant parts of the fixing plates are cut off, and thus the surgeries with different sacrum cut-offlengths are adapted.

The invention relates to the technical field of medical prostheses, in particular to an adjustable semi-pelvic prosthesis device. The device comprises a semi-pelvic prosthesis part matched with the pelvic defect in shape, and the semi-pelvic prosthesis part comprises an upper fixing part, a connecting part and a lower fixing part which are sequentially connected, the upper fixing part is used for fixing the uninjured side ilium or the sacrum, and the lower fixing part is used for fixing the uninjured side pubis; the device further comprises an acetabular cup prosthesis. A rotating assembly for adjusting the angle of the acetabular cup prosthesis is arranged on the connecting part; the rotating assembly is further provided with a retainer which is detachably connected with the rotating assembly. The forward inclination angle and the abduction angle of the hip rotation center of the personalized pelvic prosthesis can be finely adjusted twice in an operation. Therefore, postoperative prosthesis dislocation complications are avoided, and the exercise and living abilities of the patient after the personalized pelvic prosthesis is implanted are improved.