682 results about "Head fixation" patented technology

The invention discloses an animal fixator, which comprises a fixator main body, an animal fixing cavity is defined in the fixator main body, and the fixator main body is provided with a positioning slot communicated with the animal fixing cavity; the positioning inserting plate is movably inserted into the positioning inserting groove, the positioning inserting plate is suitable for extending into the animal fixing cavity, the animal fixing cavity comprises a head fixing area and a body fixing area which are located on the two sides of the positioning inserting plate, and the positioning inserting plate is provided with a neck positioning notch; the pushing piece is movably installed in the animal fixing cavity, and the pushing piece is suitable for moving in the direction close to or away from the positioning inserting groove; and the cover plate is movably mounted at the top of the fixator main body. According to the animal fixing device, an animal can be fixed in the animal fixing cavity, the head cannot rotate, the animal does not need to be anesthetized, operation is easy, consumed time is short, the experiment efficiency is improved, fixing is firm, and the risks of biting and the like possibly caused by manual grabbing are avoided.

A torque wrench calibration automation system comprises: a body part; a handle rotation drive part; and a handle push drive part, wherein the body part includes a calibrator that collects data, transmits the data, and receives control signals, a head fixing part that fixes the position of a head part of a torque wrench, a body part base with a flat top surface, and a handle base that moves linearly from the top of the body part base; the handle rotation drive part includes a handle rotation motor installed on the handle base of the body part, and a handle rotation module connected to the front end of the handle rotation motor and rotating the handle part of the torque wrench; and the handle rotation module includes an air pressure supply part that provides air pressure required when mounting or dismounting the handle part of the torque wrench.

The invention discloses a head fixing device, and relates to the field of medical instruments. The fixing device body can be attached to the outer side of the top end of the head; the bearing mechanism is movably arranged on the rear side of the fixing device body, the position of the bearing mechanism on the fixing device body can be adjusted, and the bearing mechanism is attached to the rear side of the head of the human body and used for bearing the head of the human body in the lying state. The head fixing device provided by the invention can reduce the discomfort of a user.

The invention belongs to the technical field of medical auxiliary instruments, and discloses a head position supporting and fixing device for the anesthesiology department, which comprises a base plate, the base plate is connected with a head supporting and fixing assembly, the head supporting and fixing assembly comprises a base, a telescopic piece and a headrest plate, the base is connected with a bandage, a lock catch and a connecting seat, and the connecting seat is in sliding connection with the base. The telescopic piece is connected with the base plate. The connecting base is rotationally connected with the telescopic end of the telescopic piece. The headrest plate is connected with the base through a connecting shaft, an inner spline and a blank part are arranged on the inner side of the base, an outer spline is arranged on the outer side of the connecting shaft, and the axial length of the outer spline is smaller than that of the blank part. The head of a patient is fixed through the bandage, and the fixing stability of the head is good; the pitching angle of the head is adjusted by adjusting the height of the telescopic piece, the swinging angle of the head is adjusted by adjusting the meshing condition between the headrest plate and the spline of the base, and the clinical requirement for the head fixing angle can be fully met.

The invention discloses a head fixator for neurosurgery and an operation method thereof, and belongs to the technical field of medical auxiliary instruments. The head fixing device is used for solving the problems that an existing head fixing device is unstable in fixing, inconvenient to adjust and poor in neck supporting. A T-shaped groove is formed in the upper end face of the T-shaped plate, the T-shaped block is slidably arranged in the T-shaped groove in the length direction of a wing plate of the T-shaped plate, the head fixing assembly is arranged in the middle of the upper end face of the wing plate of the T-shaped block, the neck supporting assembly is slidably arranged on the upper end face of a web of the T-shaped block in the length direction of the web of the T-shaped block, and the two limiting assemblies are arranged at the two ends of the wing plate of the T-shaped plate respectively. The head of a patient can be firmly fixed, the head of the patient is prevented from moving in the operation process, and the accuracy and success rate of the operation are improved. And flexible adjustment can be carried out according to head shapes, sizes and operation requirements of different patients, and the requirements of various operation scenes are met. Comfortable support is provided for the neck of a patient, and fatigue and discomfort of the neck of the patient in the operation process are reduced.

A bone fixation system comprises a first fastener configured to anchor into a first vertebrae, a second fastener configured to anchor into a second vertebrae, and a set screw to retain the second fastener to the first fastener. The first fastener includes a shaft extending along a longitudinal axis and a head. The shaft includes a first cylindrical body. The head of the first fastener includes a second cylindrical body defining a passageway having an interior surface. The passageway defines a longitudinal axis that is different than the longitudinal axis of the shaft. The first cylindrical body of the shaft and the second cylindrical body of the head are angled relative to each other. A head of the second fastener is configured to engage the interior surface of the passageway of the head of the first fastener. The set screw retains the head of the second fastener in the passageway.

The utility model provides a mouse living body imaging detection device, belongs to the technical field of tumor experiment detection, and aims to solve the problems that a mouse narcotized by an existing mouse living body imaging detection device possibly shakes or convulses unconsciously, and the convulsion of the mouse can change a detection position to influence detection. Comprising an imaging detection body; the imaging camera is arranged in the imaging detection main body; the lifting detection table is fixedly mounted in the imaging detection main body; the anesthesia main body is fixedly mounted at the upper part of the lifting detection table; the anesthesia tube is in threaded connection with the interior of the anesthesia main body; the mouse fixing table is placed above the lifting detection table; the limb fixing assembly is arranged above the mouse fixing table; the head fixing assembly is arranged above the mouse fixing table. The fixing device has the advantages of stability in fixation, falling prevention, simplicity in operation and the like.

The present application belongs to the field of medical surgical instruments, and provides an elbow joint surgical instrument, which includes a head, fixed wings, and a fixed cage. The head is used to cover the surface of the distal end of the humerus; the fixed wings are connected to the side of the head and are used to connect to the humerus; the fixed cage is connected to the head and forms a bone crushing groove with the head for accommodating the filling bone, and the fixed cage also has a limiting structure for cooperating with the bone tissue of the distal end of the humerus. The elbow joint surgical instrument provided by the present application can greatly reduce the amount of osteotomy, which is conducive to later revision surgery. The filling bone placed in the bone crushing groove is conducive to promoting the patient's postoperative recovery and postoperative weight-bearing. The limiting structure cooperates with the bone tissue in the corresponding area of ​​the distal end of the humerus, which is conducive to strengthening the stability of the elbow joint surgical instrument fixed on the distal end of the humerus.

The invention discloses a child nasopharyngeal endoscopy head fixator which comprises a fixing base, a supporting pad is arranged at the top of the fixing base, sliding grooves located in the two sides of the supporting pad are formed in the top of the fixing base, sliding blocks are arranged in the sliding grooves, and fixing clamping plates are arranged at the tops of the sliding blocks. A vertical frame is fixedly mounted at the top of the fixed clamping plate, a guide sliding rod is fixedly mounted at the top of one side of the vertical frame, a connecting sliding block is slidably connected to the middle of the vertical frame, a transverse plate located above the supporting pad is slidably connected to the other end of the guide sliding rod, and a threaded rod is connected to the middle of the transverse plate in a penetrating and threaded mode; and a pressing knob is fixedly mounted at the top of the threaded rod. According to the head fixator for child nasopharyngeal endoscopy, the fixing clamping plate is used for fixing the head, extra manual auxiliary work is not needed, nasopharyngeal endoscopy can be conducted smoothly, the operation time is shortened, and the examination effect is improved.

The invention provides a sober mouse head fixing instrument capable of being adjusted in multiple dimensions, which comprises a first adjusting assembly, a second adjusting assembly and a window patch, and is characterized in that the first adjusting assembly is arranged on a chassis and has a displacement degree of freedom in a first direction and a rotation degree of freedom in a second direction relative to the chassis; the second adjusting assembly is arranged on the first adjusting assembly and has the rotation freedom degree in the first direction and the rotation freedom degree in the third direction relative to the chassis. And the window patch is arranged on the second adjusting assembly and has a displacement freedom degree in a plane formed in the second direction and the third direction relative to the chassis. Through the arrangement of the first adjusting assembly, the second adjusting assembly and the window patch, the fixing instrument for fixing the part, needing to be imaged, of an animal and performing multi-dimensional adjustment to be matched with imaging is achieved, the movement of the animal cannot be completely restrained, and the purposes that the head of a sober mouse is fixed, and behavioral experiment requirements can be met are achieved.

The utility model belongs to the technical field of medical instruments, and discloses an auxiliary fixing device for tail intravenous injection of rats and mice, which comprises a supporting component and a placing component, the supporting component is detachably connected with the placing component, and the supporting component is used for adjusting the angle and height of the top placing component. The placing assembly comprises a placing box, a head fixing plate and a tail fixing plate, the head fixing plate is slidably connected into the placing box, the placing box is provided with a clamping groove for clamping the tail fixing plate, the inlet end of the placing box is of a funnel-shaped structure, and the placing box is provided with an air hole and an opening for placing mouse claws. The angle and the height can be adjusted, operation of experimenters is facilitated, all components of the device are detachable, and cleaning and disinfection are facilitated; the fixing device solves the problems that an existing fixing device is inconvenient to load rats and mice, cannot adjust the angle and height and is not easy to disassemble, and is suitable for fixing the rats and the mice in experiments.

The utility model discloses an operation traction frame for spine correction, and belongs to the technical field of spine correction instruments. Comprising a head fixing part and a pelvic end fixing part, the head fixing part and the pelvic end fixing part are connected through a connecting rod assembly, the connecting rod assembly comprises a supporting rod and an automatic adjusting push rod, the end of the supporting rod is connected with the automatic adjusting push rod through an adjusting part, the supporting rod is connected with the pelvic end fixing part, and the automatic adjusting push rod is connected with the head fixing part. The supporting rod and the automatic adjusting push rod form a spine correction space. The spine traction device is simple in structure and convenient to operate, traction of the spine of a patient is achieved through cooperation of the head fixing piece, the pelvis end fixing piece and the connecting rod assembly, pressure of the spine can be relieved through the traction frame, and self-repairing of the spine is promoted; and through the arrangement of the automatic adjusting push rod, the height of the connecting rod assembly can be automatically adjusted through intelligent control, so that the supporting length is rapidly adjusted, the operation efficiency can be improved, and the operation time is saved.

This invention relates to the field of pet protective equipment technology, and more particularly to a protective device for preventing cat bites. It includes a transfer mechanism and a fixing mechanism connected to the left side of the transfer mechanism. The fixing mechanism includes a horizontally positioned fixing sleeve, with a head fixing member at the left end of the fixing sleeve. The head fixing member includes a head sleeve movably fitted onto the fixing sleeve, and a locking mechanism on the head sleeve that cooperates with the fixing sleeve. Through a guided fixing method, even in unfamiliar environments, strangers can naturally and effectively restrain the cat without touching it, reducing stress reactions. By effectively isolating the cat's head from its limbs, it allows ample time for people to observe the cat's claws, thus avoiding accidental injury and solving problems encountered in practical use.

The invention relates to a head and neck tumor radiotherapy auxiliary supporting and positioning device which comprises a bed body, a movable rack, a base plate, a foaming rubber pad, a thermoplastic positioning film, a protective cover and a positioning mechanism, the movable rack is connected with the bed body in an inserted mode, the base plate is arranged on the movable rack, and the positioning mechanism is arranged at the bottom of the movable rack and comprises a lifting plate, a connecting sleeve, a supporting rod and a spring I; the supporting rod can penetrate through the hole position to support the head in advance, and the fixing assembly can lock the position of the supporting rod. The lifting plate is driven by a screw I to ascend and descend, a step rod is matched with a spring II to lock the position of the step rod, and emergency unlocking can be achieved through a traction rope between a baffle strip and the step rod. The device can realize accurate positioning of the head and the neck, improves the comfort level of a patient, is suitable for auxiliary positioning during radiotherapy of head and neck tumors, and solves the problems that an existing radiotherapy auxiliary device is complex in pre-fixing adjustment, poor in adaptability after a patient is emaciated, difficult to disassemble quickly in an emergency situation and the like.

According to an aspect, there is provided a hair trimming system comprising a handle and a head, the head comprising a cutting unit for cutting hairs, and the head being moveable relative to the handle, wherein: the head comprises a base configured to be received in the handle, wherein the base comprises a connecting portion configured to cooperate with the handle to connect the handle and the head, and to permit pivoting movement of the head with respect to the handle about the connecting portion, and the base comprises a main indentation and an intermediate indentation; the handle comprises a holding mechanism comprising a moveable stop configured to be received separately in each of the main indentation and in the intermediate indentation, to restrict pivoting movement of the head relative to the handle about the connecting portion so as to secure the head to the handle, wherein the stop is biased to a locked position relative to the handle, wherein in the locked position, the stop is received in one of the main indentation and the intermediate indentation, to secure the head to the handle, wherein when the stop is received in the main indentation, the base of the head is received within the handle in an operational configuration, and when the stop is received in the intermediate indentation, the head is pivoted away from the handle relative to the operational configuration, in an open configuration.

The present invention relates to a head fixing device, comprising a fixed frame, a plurality of adjustment rods and a plurality of positioning pins. The fixed frame is annular, the hollow part of the fixed frame can accommodate the patient's head, and the fixed frame can be fixed on an ultrasonic treatment bed. A plurality of adjustment rods are respectively arranged on the fixed frame along the rotation direction of the fixed frame, and each adjustment rod is fixedly arranged on the fixed frame with an adjustable position along the patient's height direction. A plurality of positioning pins are respectively arranged on a plurality of adjustment rods, and each positioning pin is fixedly arranged on the adjustment rod with an adjustable position along the rotation radial direction of the fixed frame, and a plurality of positioning pins cooperate to fix the patient's head along the rotation radial direction of the fixed frame. The present invention also relates to a magnetic resonance-guided ultrasonic therapeutic apparatus comprising a head fixing device. Through a plurality of position-adjustable adjustment rods and positioning pins, adjustment along the patient's height direction and adjustment along the rotation radial direction of the fixed frame can be quickly realized, thereby improving the fixing efficiency of the patient's head.

An anchoring system for a knee ligament reconstruction that can secure a graft within a bone tunnel. The anchor system includes an anchor having a tubular body extending along a longitudinal axis from a proximal end to a distal end. A conical head is fixed to the distal end of the tubular body. A series of expandable segments are positioned along the tubular body and moveable along the body into a compacted, deployed position where the segments expand radially to engage the inside of a bone tunnel. A threaded drive member may move the segments to the deployed configuration once the anchor and graft are positioned in the bone tunnel. A drive tool may be used to advance the drive member and can include a moveable shaft that pushes a strike plate out of the rear of the handle to provide an indication whether the anchor has been fully deployed.

The invention discloses a head fixing device for CT (Computed Tomography) examination, which is provided with a locking assembly, so that when the head of a patient is placed on a headrest, head side frames on the left side and the right side can be automatically folded inwards to assist the head of the patient to be centered and fixed left and right; in addition, the device is provided with an adjusting assembly, and the pitching angle and the rolling angle of the head of the patient can be adjusted through inflation and deflation between different air bags; a lifting assembly arranged on the device can control the height of the head of the patient by controlling the inflation amount of a lifting air bag; according to the adjustment, satisfactory images can be obtained according to different requirements of head shapes, examination purposes and sick body positions of patients; in addition, the device is provided with a limiting plate, so that the patient can be prevented from sleeping over, examination is affected, and a cranium top positioning image is difficult to display; and finally, the contact part of the device and the patient is made of a soft package material to improve the comfort of the patient.

The invention discloses a positioning system applied to boron neutron capture therapy, and relates to the technical field of medical neutron radiotherapy, the system comprises a fixing module used for fixing a patient on an operating bed, the fixing module comprises a head fixing film, a plurality of non-coplanar optical reflective balls are integrated on the head fixing film, and the optical reflective balls are arranged on the head fixing film. The construction module is used for constructing a patient reference coordinate system, and the image acquisition module is used for acquiring medical three-dimensional image data of a patient in a fixed state and detecting position information of a reflective ball in an image coordinate system; the positioning system applied to boron neutron capture therapy can effectively cope with positioning errors caused by posture changes of a patient, has submillimeter-level positioning precision, supports linkage with a treatment planning system, and remarkably improves safety, effectiveness and operation efficiency of BNCT treatment.

Systems, devices, and methods are described for providing, among other things, a multi-axis, multi-exercise device including an extendable and articulated cervical positioning assembly; a head affixing assembly configured to secure to a head of a user; and a multi-exercise system. In an aspect, the extendable and articulated cervical positioning assembly includes at least one articulation element and at least one telescopic element configured to allow maneuverability and repositioning of the head affixing assembly with respect to the multi-exercise system. In an aspect, the multi-axis, multi-exercise device includes at least one of a mechanical resistance component, electromagnetic resistance component, magnetic resistance component, electromechanical resistance component, hydraulic resistance component, or a pneumatic resistance component.

The invention discloses a head fixing device for a cerebral angiography operation, and belongs to the technical field of medical instruments. Comprising an operating table, a fixing shell is installed on the operating table, a pit is formed in the fixing shell, a plurality of first liquid bag modules and a plurality of second liquid bag modules are fixedly connected to the pit of the fixing shell, and all the first liquid bag modules and all the second liquid bag modules are arranged in a staggered mode. The number of the second liquid bag modules is larger than that of the first liquid bag modules, and the first liquid bag modules and the second liquid bag modules support the head of a patient in a wrapping mode. The head of a patient is supported through the first liquid bag module, then the head of the patient is limited through the second liquid bag module which gradually deforms, the head of the patient is fixed in a bowl-shaped mode on the whole, the stability of the head of the patient is improved, and it is guaranteed that the operation process is conducted smoothly.

The invention belongs to the technical field of medical equipment, and particularly relates to an orthosis for the muscular torticollis, in particular to an orthosis applied to correction of the muscular torticollis and a use method of the orthosis. A shoulder fixing assembly; the stepless adjusting assembly comprises a connecting block and a connecting rod, a lifting bar; and an adjusting part. According to the principle that the adjusting shaft moves between the adjacent adjusting teeth of the lifting strip when rotating and drives the adjusting shaft to ascend and descend, the adjusting teeth are distributed at equal intervals, continuous and linear fine adjustment of the distance between the head assembly and the shoulder assembly is achieved, meanwhile, after adjustment is completed, the adjusting shaft of the adjusting piece is inserted into the limiting hole of the connecting block, and the adjusting shaft is driven to ascend and descend. The lifting strip and the connecting block are fixed, the adjusting teeth can be designed to be relatively fine in order to pursue high precision through separation of two independent actions of rotation adjustment and insertion locking, and final firm fixing is achieved through insertion connection of the adjusting shaft and the limiting hole.

The nasal oxygen cannula assembly comprises a bearing strip and the nasal suction head, the front surface of the bearing strip is fixedly connected with a limiting clamping ring, the left surface of the nasal suction head is fixedly connected with a connecting pipe, the front surface of the bearing strip is fixedly connected with a fixing clamping ring, and the front surface of the fixing clamping ring is fixedly connected with a connecting pipe. The left surface of the bearing strip is fixedly connected with a first binding band, the first binding band is provided with a sliding block, the left surface of the sliding block is fixedly connected with an inserting block, the right surface of the bearing strip is fixedly connected with a second binding band, the end, away from the bearing strip, of the second binding band is fixedly connected with a fixing block, and an inserting groove is formed in the fixing block. Through the arrangement of the sliding block, the inserting block, the inserting groove and other structures, the whole assembly and the head of the patient can be fixed together, so that the probability that the whole assembly falls off from the head of the patient can be reduced, meanwhile, the probability that the nasal oxygen tube falls off from the nostrils of the patient can be reduced, and then normal oxygen inhalation of the patient is prevented from being affected.

This invention relates to the field of neonatal care technology, and more particularly to a neonatal endotracheal tube fixation device, comprising a base, two head limiting plates slidably fitted on the base, a retraction mechanism rotatably connected inside the base, an adjusting seat rotatably connected to the retraction mechanism, a top frame rotatably connected to the adjusting seat, an adjusting plate below the top frame, a buffer plate fixedly connected to one end of the adjusting plate, and an endotracheal tube fixation mechanism on one side of the buffer plate. By using a base with a mattress pressure plate, the mattress is used to fix the mattress pressure plate, so that when fixing the neonatal endotracheal tube, the endotracheal tube fixation mechanism is suspended above the neonatal head without contacting the neonatal head for fixation. This avoids the pressure problems caused by neck straps or head fixation, not only improving care efficiency but also ensuring the safety and comfort of the newborn, and contributing to the healthy development of the newborn.

A dental comprehensive treatment chair relates to the technical field of medical instruments and comprises a head support, a chair back and a base, the head support is used for fixing the head of a patient to reduce unintentional movement of the head of the patient, the head support and the chair back are respectively mounted on the base, the dental comprehensive treatment chair further comprises a driving device and a head support locking device, and the driving device is connected with the head support to drive the head support to laterally rotate. The head support locking device can lock or unlock the head support, when the head support needs to be rotated, the head support locking device unlocks the head support, the driving device drives the head support to rotate laterally, and after the head support rotates in place laterally, the head support locking device locks the head support. By arranging the rotatable head support and controlling rotation through the rotation driving device, a dentist can easily adjust the head of a patient to a proper treatment angle and keep the head of the patient fixed so as to prevent the head of the patient from moving unintentionally, and the rotation angle of the head of the patient does not need to be adjusted after the head of the patient is fixed without being interrupted; and the efficiency, the continuity and the operation flexibility in the treatment process can be improved.

The invention provides an ophthalmology infrared instrument for vision correction, and relates to the field of vision correction, and the ophthalmology infrared instrument comprises a limiting support base, a swing irradiation part, a limiting support part, a limiting mounting shaft, a guide connecting plate, a sliding connecting block and a head fixing bandage; the swinging irradiation part is rotationally connected to the upper part of the limiting support base; the limiting supporting piece is connected to the front side of the swing irradiation piece in a front-back sliding mode. The limiting mounting shafts are fixedly connected to the left side and the right side of the swinging irradiation part; the guide connecting plate is rotationally connected to the outer side of the limiting mounting shaft; the sliding connecting block is connected to the inner side of the guide connecting plate in a sliding manner; according to the nursing light instrument, the head of a child can be fixed, the vision correction effect is guaranteed, the use effect of the nursing light instrument is improved, and the problem that the vision correction effect is affected due to the fact that the head of a young child shakes unconsciously when the young child uses the nursing light instrument is solved.

The invention discloses a head fixing device for plastic surgery, and relates to the field of plastic surgery, the head fixing device comprises a main supporting plate, two side edges of the main supporting plate are symmetrically provided with clamping transverse grooves, two side edges of the main supporting plate are in butt joint with side arc-shaped plates, one side edge of each side arc-shaped plate is horizontally provided with a shifting clamping groove, and the shifting clamping groove is in butt joint with the clamping transverse grooves. A stirring block is clamped to the inner side edge of the stirring clamping groove, a bottom supporting sponge is horizontally and fixedly bonded to the top face of the main supporting plate, an air bag block is fixedly bonded to the top face of the side arc-shaped plate, a butt joint block is in butt joint with one end of the main supporting plate, and an extending sponge is fixedly bonded to the top face of the butt joint block. One side edge of the butt joint block is in bolted connection with an outer shell, and an extending sleeve rod is arranged on the bottom face of the butt joint block. The device is simple in design structure and easy and convenient to operate, a multi-direction adjusting structure is adopted so that multiple angle adjusting treatment can be met, meanwhile, a certain auxiliary effect is achieved on an operation, and the operation efficiency and the operation convenience are greatly improved.

The utility model relates to the field of medical treatment, and discloses a head protection frame for interventional operation, which comprises a mounting plate, the top end of the mounting plate is provided with a connecting plate, the top end of the connecting plate is fixedly connected with a supporting column, the outer wall of the supporting column is slidably connected with a round sleeve, and the inner wall of the round sleeve is provided with a limiting mechanism. An electric telescopic rod is hinged to the outer wall of the round sleeve through a hinge rod, a fixed block is fixedly connected to the movable end of the electric telescopic rod, a threaded rod penetrates through and is in threaded connection with the inner wall of the fixed block, a contact plate is rotationally connected to the left end of the threaded rod, and a headstock is fixedly connected to the top end of the supporting column. By arranging the supporting column, the round sleeve, the hinge rod, the head seat, the electric telescopic rod and the contact plate, the contact plate can be quickly close to the head of a patient, threaded adjustment is conducted through the fixing block and the threaded rod, the device can quickly adapt to head fixation of different patients, and the device is simple and convenient in actual operation.