34 results about "Parietal bone" patented technology

A headgear for use with a mask includes a first strap (660) being configured to engage a back of a patient's head and extend on either side of the patient's parietal bone behind the patient's ears and assume, in use, a substantially circular or oval shape. At least a portion of the first strap is substantially inextensible. The headgear also includes at least one second strap (620, 630) configured to removably connect the first strap to the mask. The second strap may be more extensible than the first strap. At least a portion of the first strap is self-supporting such that the headgear maintains a three dimensional shape when not in use. The substantially inextensible portion of the first strap is constructed to resiliently return to a predetermined shape when not in use. The arcuate region includes a first portion that may be arranged to align substantially parallel with a top of the patient's head and a second portion being arranged to align substantially to a rear surface of the patient's head.

A headgear for use with a mask includes a first strap (660) being configured to engage a back of a patient's head and extend on either side of the patient's parietal bone behind the patient's ears and assume, in use, a substantially circular or oval shape. At least a portion of the first strap is substantially inextensible. The headgear also includes at least one second strap (620, 630) configured to removably connect the first strap to the mask. The second strap may be more extensible than the first strap. At least a portion of the first strap is self-supporting such that the headgear maintains a three dimensional shape when not in use. The substantially inextensible portion of the first strap is constructed to resiliently return to a predetermined shape when not in use. The arcuate region includes a first portion that may be arranged to align substantially parallel with a top of the patient's head and a second portion being arranged to align substantially to a rear surface of the patient's head.

A long term oxygen therapy system having an oxygen supply directly linked with a patient's lung or lungs may be utilized to more efficiently treat hypoxia caused by chronic obstructive pulmonary disease such as emphysema and chronic bronchitis. The system includes an oxygen source, one or more valves and fluid carrying conduits. The fluid carrying conduits link the oxygen source to diseased sites within the patient's lungs. A collateral ventilation bypass trap system directly linked with a patient's lung or lungs may be utilized to increase the expiratory flow from the diseased lung or lungs, thereby treating another aspect of chronic obstructive pulmonary disease. The system includes a trap, a filter / one-way valve and an air carrying conduit. In various embodiments, the system may be intrathoracic, extrathoracic or a combination thereof. A pulmonary decompression device may also be utilized to remove trapped air in the lung or lungs, thereby reducing the volume of diseased lung tissue. A lung reduction device may passively decompress the lung or lungs. In order for the system to be effective, an airtight seal between the parietal and visceral pleurae is required. Chemical pleurodesis is utilized for creating the seal and various devices and / or drugs, agents and / or compounds may be utilized to accelerate wound healing in thoracic anastomosis applications.

A mask system for use between a patient and a device to deliver a breathable gas to the patient includes a mouth cushion, a pair of nasal prongs, an elbow, and a headgear assembly. The mouth cushion is structured to sealingly engage around an exterior of a patient's mouth in use, and the pair of nasal prongs are structured to sealingly communicate with nasal passages of a patient's nose in use. The elbow delivers breathable gas to the patient. The headgear assembly maintains the mouth cushion and the nasal prongs in a desired position on the patient's face. The headgear assembly provides a substantially round crown strap that cups the parietal bone and occipital bone of the patient's head in use.

A pacing lead for implantation in the pericardial space includes an elongated lead body, a compression fixation element, and at least one electrode on either the lead body or the fixation element. The fixation element defines a resilient structure, and is positioned and dimensioned so that when the lead is disposed in the pericardial space, the resilient fixation element is compressed between the parietal and visceral pericardium, thereby biasing the electrode against the myocardium and providing positional stabilization to the lead. Further positional stability may be provided mechanically with structures enabling the application of adhesive or with fixation screw or tine elements.

Techniques for treating visceral or parietal membrane and tissue defects include the application of a collagen biomatrix to the defect to repair and regenerate a visceral or parietal membrane, for example in patients suffering tissue defects or undergoing visceral or parietal surgical treatment. Such approaches avoid persistent tissue leaks and their consequences such as fluid leaks and air leaks. The use of collagen biomatrix, optionally in conjunction with a fibrin sealant, an anti-adhesive, or both, can minimize tissue leaks or fluid leaks in injured patients suffering tissue defects or subjects undergoing surgery such as visceral or parietal resections and other operations.

A variable parietal / visceral pleural coupling may be utilized to create an air-tight seal in the pleural space between the parietal and visceral pleura. This coupling may be utilized to create a seal for other implantable devices.

Disclosed is a travel pillow for providing the head and neck alignment of a human user resting against a seat back. The travel pillow has an interior shell of a semi-stiff unitary construction. There is a head support region defining a head supporting space for supporting the user's head, a neck support region defining a neck supporting space for supporting the user's neck posteriorly, an enlarged portion bridging together the head support region and the neck support region, the enlarged portion varying in radius from the head support region to the neck support region all elements functioning together as a single unit to maintain the columnar alignment of the user's head directly above the user's neck, and lobes extending upwardly on either side of the head support region to support the head at the intersection of the occipital bone, parietal bone and temporal bones on either side of the head to prevent lateral bending of the neck. The pillow is placed between the user and the seat back, wherein the pillow is held in place during use by the user's weight resting against the seat back. The head support region may be sized and shaped to match the approximate shape of the back of the user's head. The head support region may be transversely curved about the user's vertebral axis and is cut away at the user's occiput such that the user's head rests directly against the seat headrest.

A variable parietal / visceral pleural coupling may be utilized to create an air-tight seal in the pleural space between the parietal and visceral pleura. This coupling may be utilized to create a seal for other implantable devices.

A computer aided measuring method based on the CT image of skull for fast and correctly measuring the thickness of frontal bone, parietal bone and occipital bone includes such steps as writing program, format conversion of the CT image, dividing the image, obtaining the binary data of divided image, repairing the defected profile, removing interference point, correcting the derivation of image, extracting the edge of image, determining the reference point for measurement, and automatic measuring.

It is an objective of the present invention to provide a head relaxing pillow. The pillow is made of an elastic material and includes a supporting main body, two contact portions, and a pressing portion. The top of the supporting main body is designed to support the neck of a user who lies face up. The bottom of the supporting main body is concavely provided with a recess. The supporting main body is provided with two sunken portions which are adjacent to two corresponding ends of the supporting main body respectively. Each contact portion has one end connected to one of the two corresponding ends of the supporting main body. The other end of each contact portion extends far from the supporting main body. The pressing portion extends from one side of the supporting main body and is located between the contact portions. When the user is lying, face up, such that his neck is resting on the supporting main body, the user's temporal bones correspond in position to the sunken portions respectively. Meanwhile, the supporting main body is deformed toward the recess due to the weight of the user's neck, such that the other ends of the contact portions may support the support the parietal bones of the user and the pressing portion may press against the occipital bone of the head of the user. Thus, the gaps in the user's skull are allowed to open slightly to lower the pressure of the cerebrospinal fluid in the skull and thereby enhance circulation of the cerebrospinal fluid.

The invention discloses an after-brain-surgery cranial nerve care device which comprises an inner layer protection cushion, a middle layer air bag, an outer layer cooling shell and a bottom fixing ring. The inner layer protection cushion comprises a frontal bone cushion, a parietal bone cushion, an occipital bone cushion, a temporal bone cushion and a sphenoid bone cushion which are fixedly connected with one another through locking and fixing devices. The cushions, the middle layer air bag and the outer layer cooling shell form a three-layer protection structure. Through the after-brain-surgery cranial nerve care device, by simulating a human brain skeleton structure, by means of the split type structural design, the product makes closer contact with the head, and the after-brain-surgerycranial nerve care device is convenient to detach and assembly; through the middle layer air bag, the after-brain-surgery cranial nerve care device can massage and protect the head bone through compression or depressurization in use; the inner layer protection cushion is made of silica gel and can make soft contact with the head, and therefore pressure sores are prevented, the brain tissue structure is protected, and the safety protection capacity of the product is improved.

The invention discloses a tokay gecko brain three-dimensional positioning device and a positioning method based on a quadrate bone and a maxillary dental top. The special concave structure of the quadrate bone in the auditory meatus of a tokay gecko is utilized by the positioning device, an ear rod end adaptive to the structure of the quadrate bone is designed, left-right leveling and centering effects in clamping the skull of the tokay gecko are ensured; and then the maxillary dental top of the tokay gecko is positioned and clamped by a maxillary support plate, so that the head of the tokay gecko is fully fixed. The positioning device comprises a left-right ear rod clamp, a tokay gecko adapter, a three-dimensional electrode moving device and the like. By the special structure design of the ear rod and the ear rod end and under the cooperation of the positioning to the maxillary dental top of the tokay gecko by the maxillary support plate, the parietal bone and the frontal bone of the tokay gecko no more rotate relatively when tokay gecko opens or closes the mouth and when the body of the tokay gecko moves drastically, so that the standard position of the brain tissue of the tokay gecko in an experiment is ensured; and the positioning device not only achieves firm and reliable positioning, but also has the characteristics of correct positioning and simple operation. The positioning method is also suitable for positioning and clamping other Gekkonidae animals.

The invention discloses a helmet stabilizing device for emergency rescue and firefighting. The device structurally comprises goggles, a protection ring, two linkage boxes, a stabilizing device body and a connecting plate; the goggles are vertically installed in the stabilizing device body through a connecting shaft, the protection ring and the stabilizing device body are of an integrated structure, and the linkage boxes are horizontally installed on the left and right side faces of the stabilizing device body. According to the helmet stabilizing device, a connection-movement compression resistance plate is pushed by a connecting pipe to move upwards to structurally stabilize the top of a helmet, the connection-movement compression resistance plate moves upwards to pull a zipper to drag a ball, a zigzag sliding plate is squeezed by the ball, so that the zigzag sliding plate pushes a positioning structure to position the occipital bone, the parietal bone is positioned by a buffering padplate, a stabilizing push plate positions the temporal bone, the positioning structure plate positions the occipital bone, the main stress points of the skull fit the helmet, it is ensured that the structure in the helmet is stable, and the head can be protected to prevent the situation that the helmet is damaged and the head is injured accordingly when the structure of the helmet is not stable due to impact.

The invention relates to the field of medical auxiliary instruments, in particular to a brain nerve maintenance device after a brain operation and a control method. The brain nerve maintenance deviceafter the brain operation comprises a hemispherical shell, the shell is hemisphericalan, and an occipital bone supporting plate, a parietal bone supporting plate, a forebone supporting plate, a butterfly bone supporting plate and a temporal bone supporting plate are all arranged in the shell through telescopic connecting structures; a liquid bag is arranged in the shell and located in a gap, the liquid bag communicates with a liquid circulating pipeline, and the liquid circulating pipeline is connected with a heat exchanger in series; at least one of the occipital bone supporting plate, the parietal bone supporting plate, the forebone supporting plate, the butterfly bone supporting plate and the temporal bone supporting plate is provided with a pressure sensor; at least one of the occipital bone supporting plate, the parietal bone supporting plate, the forebone supporting plate, the butterfly bone supporting plate and the temporal bone supporting plate is provided with a temperature sensor; and s controller is in communication connection with the temperature sensor, the pressure sensor and a flow valve of the heat exchanger. According to the device and the method, by means of the arrangement mode, the liquid bag can exchange heat with a head, and intracranial temperature adjustment is achieved.

The invention relates to a method for manufacturing a head hierarchical dissection three-dimensional scanning specimen. The method comprises the following steps: selecting materials; sequentially removing skin, superficial fascia, latissimus jugular muscle, parotid gland, superficial vascular nerve, cap aponeurosis, masseter, periosteum and temporal muscle, opening zygomatic arch and mandible, removing sternoclavicular mastoid muscle, parietal bone of cranial top, frontal bone, temporal bone and occipital bone, cutting to open superior sagittal sinus, removing dura mater, brain, mandible, zygomatic major muscle, zygomatic minor muscle, orbiculus oculi muscle, trapezius muscle, capsid muscle, diabdominal muscle, deorbital horn muscle cheekbone, endocranium, and veins, removing styloid process tongue bone muscles, external rectus, arteries, styloid process pharynx muscles and styloid process tongue muscles, removing auricles, opening temporal bones, and performing median sagittal incision; then, trimming and cleaning the dissected specimen, and pasting specimen muscles, blood vessels and nerves to the original corresponding positions; and finally, combining and processing the 3D scanned images into a complete digital 3D model, so that the scanned specimen is complete in shape and structure, free switching can be realized, and observation and learning are facilitated.

The invention discloses a neck fixing device for the emergency department, and belongs to the technical field of medical instruments. The neck fixing device for the emergency department comprises two plate bodies, a vertical rod and a circular ring, the ends of the two plate bodies are fixedly connected with each other to form a V-shaped plate, notches are formed in the ends, close to each other, of the plate bodies, and the two notches form a channel allowing the neck to penetrate through; one end of the vertical rod is fixedly connected with one plate body; and the circular ring is fixedly connected with the other end of the vertical rod and located on the side close to the bottom of the V-shaped plate. When the neck fixing device for the emergency department is used, the V-shaped face of the V-shaped plate is tightly attached to the shoulder of a patient, the circular ring is arranged on the head top in a sleeving mode, the inner wall of the circular ring is tightly hooped behind the frontal bone and the parietal bone, and the vertical rod is used for limiting the distance between the V-shaped plate and the circular ring, so that the neck of the patient can bear small gravity of the head, and meanwhile the head cannot rotate, therefore, the position of the neck is limited, and meanwhile feeding and speaking of the patient are not affected.

Techniques for treating visceral or parietal membrane and tissue defects include the application of a collagen biomatrix to the defect to repair and regenerate a visceral or parietal membrane, for example in patients suffering tissue defects or undergoing visceral or parietal surgical treatment. Such approaches avoid persistent tissue leaks and their consequences such as fluid leaks and air leaks. The use of collagen biomatrix, optionally in conjunction with a fibrin sealant, an anti-adhesive, or both, can minimize tissue leaks or fluid leaks in injured patients suffering tissue defects or subjects undergoing surgery such as visceral or parietal resections and other operations.

The invention relates to the field of medical auxiliary equipment, in particular to a brain nerve maintenance device and control method after brain surgery. The brain nerve maintenance device after brain surgery of the present invention comprises: a shell, the shell is hemispherical, and the occipital bone support plate, the parietal bone support plate, the frontal bone support plate, the sphenoid bone support plate and the temporal bone support plate are all arranged on the In the shell; the liquid bag is set in the shell and located in the gap, the liquid bag is connected with the liquid circulation pipeline, and the liquid circulation line is connected with a heat exchanger in series; the occipital bone support plate, the parietal bone support plate, the frontal bone support plate, and the sphenoid bone support plate And at least one of the temporal bone support plate is provided with a pressure sensor; and at least one of the occipital bone support plate, the parietal bone support plate, the frontal bone support plate, the sphenoid bone support plate and the temporal bone support plate is provided with a temperature sensor; the controller, and the temperature sensor , the pressure sensor and the flow valve communication connection of the heat exchanger. Through the above setting method, the liquid sac can exchange heat with the head to realize intracranial temperature regulation.

The invention relates to an animal bone suture distraction device and a construction method of an animal model of cranial suture distraction. The animal bone suture distraction device comprises fixing seats, a rod piece and a spring; two fixing seats are provided; the fixing seats are provided with through holes for the rod piece to penetrate through; and the rod piece can be sleeved with the spring. According to the method, the two fixing seats are bonded to parietal bones on the two sides, the fixing seats penetrate through the skin to be arranged outside the skin, after the skin of a mouse is healed, the spiral spring is arranged between the fixing seats on the two sides, the rod piece penetrates through the spiral spring and the two fixing seats, then limiting parts are additionally arranged on the two sides of the rod piece, and the spiral spring carries out distraction on the cranial suture by applying the tensile stress to the fixing seats on the two sides. The bone suture distraction device disclosed by the invention is stable in effect, high in repeatability and suitable for various types of transgenic mice different in age and size; in an experiment, by changing the force of the spring, the change of the distraction stress in mechanical magnitude can be implemented; and by detaching the spring device, the force removal can be implemented at any time for researching the relapse related research after stress stimulation.

A headnet (20) for first responders has a net lattice (22) formed to cover the first responder's head (100) from the first responder's frontal bone area (102) to the occipital bone area (104) in support of protective turnout gear for respiratory protection (44) with a first set of straps (24a, 24b) extending forward from a level approximate to the intersection of the first responder's parietal bone (108) and occipital bone (104) and a second set of straps (28a, 28b) extending forward from a level approximate to the lower portion of the first responder's occipital bone (104). The headnet (22) has an opening (36) formed within the headnet (22) that is vertically centered with the back of the first responder and horizontally between the two straps (24, 28), having sufficient area in either anextended state or non-extended state to pull through the first responder's hair (46).

The invention discloses a brain nerve maintenance device after brain surgery, which comprises an inner protective pad, a middle air bag, an outer cooling shell and a bottom fixing ring. The inner protective pad includes a frontal bone pad, a parietal bone pad, an occipital bone pad, and a temporal bone pad. Pad and sphenoid bone pad, the frontal bone pad, parietal bone pad, occipital bone pad, temporal bone pad and sphenoid bone pad are fixedly connected by a locking fixture and form a three-layer protective structure with the middle airbag and the external cooling shell. The brain nerve maintenance device after brain surgery, by simulating the bone structure of the human brain, adopts a block structure design to make the contact between the product and the head closer, and it is easy to disassemble and assemble. Through the setting of the middle airbag, it can be used Massage and protect the skull through pressurization or decompression, and the inner protective pad is made of silicone, which can be in gentle contact with the head, thereby preventing pressure sores, protecting the brain tissue structure, and improving the safety protection ability of the product.

The invention relates to the technical field of pediatric nursing, and discloses a head infusion auxiliary device for pediatric nursing. The device comprises a supporting plate, wherein a seat is fixedly connected to the right side of the supporting plate; the interior of the seat is in an arc shape; an adjusting device is arranged in the seat; a lifting groove is formed in the right side of the supporting plate; and a lifting plate is connected into the lifting groove in a sliding manner. According to the head infusion auxiliary device for pediatric nursing, when the head of a child is clamped through the irregular shape of the lower plate, the concave position between the parietal bone and the temporal bone of the children skull is clamped and fixed in a matched mode through the irregular shape of the lower plate, and the head of the child is fixed easily and conveniently, so that the discomfort of a traditional clamping and fixing outer ring for the head of a child is improved, a good anastomosis effect on a parietal bone and a temporal bone are ensured during head infusion, extrusion deformation of head bones of a patient is avoided, and the normal growth state of the head bones of the patient is ensured.