91 results about "Curette" patented technology

Surgical instrument bits are disclosed that mate to a multi-function surgical handle. The surgical instrument bits may include an integrated light source, and they may be disposable or reusable. Surgical instrument bits may comprise scalpel blades, skin hooks, retractors, curettes, comedone extractors, forceps, elevators, dissectors, elevators, bone hooks, suture removers, punch biopsy instruments and probes, reflecting devices such as mirrors, trocars and splinter liberators.

The focus cleaning and scraping device for the dermatology department comprises a movable tool bit assembly, the movable tool bit assembly comprises a tool bit installation sliding seat, a tool bit and a spring buffering structure, the tool bit installation sliding seat is in sliding connection with a handle shell through a guide strip, and the detachable tool bit is fixed to the front end of the tool bit installation sliding seat; the scurf collecting assembly comprises a scurf collecting bin, a linkage structure and a rotary cleaning tool; the lubricating assembly comprises a storage bin, a piston type conveying mechanism and a flow guide channel, the movable tool bit assembly is designed, and through a spring buffering structure of the movable tool bit assembly, the buffering protection function can be achieved through dynamic balance of the resistance for cutting into a focus and the spring rigidity when a lower knife is used for cleaning and scraping; the device is particularly suitable for scraping thick cuticle focuses such as plantar warts and calluses, the fault tolerance during cutting is greatly improved, and the device has the function of automatically recycling scurf.

A menstrual blood-derived endometrial cell collection device is provided. [Solution] The device comprises a central hand-held hollow tube 1 and a curette function part 2. Inside are an inner limiting hollow tube and an annular stopper ring with an elastic stopper plate. A rotating knob 6 is attached to the end of the central hand-held hollow tube by a screw connection, and the inclined annular pressure ring of the rotating knob acts on the outside of the elastic stopper plate. The hollow shaft of the curette function part passes through the rotating knob and extends into the inner limiting hollow tube and is positioned by the elastic stopper plate. A friction groove is formed on the outer edge of the rotating knob. This device allows for quick replacement of the curette function part, flexible adjustment of the protrusion length, and excellent portability.

The utility model discloses a uterus scraper with a temporary storage function, which comprises a tube body, a storage cavity is arranged in the tube body, a slidable curette part is arranged on the outer wall of the tube body, a sealing curette head is arranged at the port of the tube body and on one side close to the inlet of the storage cavity, and a piston part is arranged in the storage cavity. By designing the sealed curette head, substances scraped by the curette piece on the inner wall of the uterus can be effectively received, and residual tissues are prevented from easily falling off from the curette head; by designing the tube body with the storage cavity and matching the tube body with the piston piece, if a large amount of residual tissues are scraped, the tissues falling into the sealing curette head can be pushed into the inlet of the storage cavity through the movable curette piece; the arc-shaped push rod is pulled to drive the piston plate to move, tissue can be sucked into the storage cavity under the action of negative pressure, the temporary storage effect is achieved, scraped tissue can be taken out easily, and the requirement for frequently replacing instruments or cleaning scraped objects in the operation process is avoided.

The utility model provides a stirring curette, which relates to the technical field of medical instruments and comprises a curette body, a main rod, a holding sleeve and an outer locking sleeve, the curette body and the main rod are eccentrically arranged, the curette body and the main rod are collinear in rotation center line, the outer locking sleeve is sleeved on the holding sleeve in a sliding manner, the holding sleeve is matched with the main rod in a stopping manner through a stopping structure, and the outer locking sleeve is matched with the main rod. The outer locking sleeve moves in the axial direction of the holding sleeve so that the relative position of the holding sleeve and the main rod can be locked or unlocked. The distance between the curette body and the holding sleeve can be effectively adjusted, and operation is convenient.

A curette tool includes: a first curette part which has an insert plate and a blade extending upward perpendicularly along the outer circumference on one side of the insert plate; a second curette part which is formed symmetrically to the first curette part; and a grip part which is formed in a bar shape with the first and second curette parts respectively installed at each end thereof. Any one of the first and second curette parts is inserted into the side wall of a target nail, and the blade pushes outward the skin tissue adjacent to the side wall to secure a nail grooming space.

The invention relates to the field of dental pulp surgical instruments, and discloses a device for quickly cleaning diseased tissues around apical periodont.The device comprises a guide head, a scraping rod, scraping thorns, an adjusting rod, a main handle, an adjusting knob and an annular clamping groove; the guide head is fixed to the top end of the adjusting rod, the elastic scraping rods are evenly distributed along the circumference of the conical bottom of the guide head, the scraping thorns and the scraping rods are integrally formed, the scraping thorns are in a barb shape and evenly distributed in the length direction of the scraping rods, and the two ends of the scraping rods are connected with the conical bottom of the guide head and an annular clamping groove in the front end of the main handle respectively. And the adjusting knob is sleeved outside the main handle and is in threaded engagement with the adjusting rod. A linkage adjusting structure of the adjusting knob, the adjusting rod and the scraping rod and an elastic material are adopted, and the device can be contracted, unfolded and bent, so that the device is matched with a periapical bone cavity structure, periapical lesion tissues are thoroughly scraped and cleaned, the problems that a manual curette is poor in bone cavity adaptability and has a blind area are solved, the scraping efficiency is high, operation is standardized and safe, bone tissue damage is avoided, and the device is suitable for popularization and application. The cleaning effect is good and the view is clear.

The invention provides a tissue scraper. The tissue scraper comprises a flexible curette blade, a fixed rod, a driving rod and a handle, the two ends of the fixing rod are the third end and the fourth end respectively, and the third end is fixedly connected to the first end of the curette blade. The two ends of the driving rod are the fifth end and the sixth end respectively, the fifth end is fixedly connected to the second end of the curette blade, and the driving rod is in relative sliding connection with the fixing rod; the handle is fixedly connected to the sixth end of the driving rod and the fourth end of the fixing rod and used for driving the driving rod to slide relative to the fixing rod so as to change the shape of the curette blade. According to the tissue scraper, the driving rod is controlled by the handle to move relative to the fixed rod so as to drive the curette blade to change the shape and the size, tissue scrapers with curette blades of different sizes do not need to be replaced, the operation amount of the tissue scrapers needing to be disinfected and sterilized before an operation is reduced, and doctors do not need to frequently replace the tissue scrapers in the operation process; and the use efficiency of the tissue scraper is improved.

The utility model belongs to the technical field of orthopedic surgical instruments, in particular to a curette with a suction function special for orthopedics department, which comprises a handle, a curette part, a negative pressure mechanism and a stirring mechanism, the curette part is arranged at the left end of the handle, the curette part comprises a hollow rod, a spoon head and a connecting cap, the left end of the hollow rod is communicated with the spoon head, and the connecting cap is arranged at the right end of the handle. The right end of the hollow rod is communicated with the connecting cap; the connecting cap is connected with the left end of the handle; the negative pressure mechanism is arranged in the handle and is communicated with the hollow rod; residues and effusion scraped by the curette part are sucked away and pumped out through the negative pressure component, in the pumping-out process, the effusion drives the stirring mechanism to work, the residues circulating in an inner cavity of the curette part are smashed, channel blockage is avoided, the curette part can be detached and replaced after use, and when the curette part is taken out, the stirring mechanism is pumped out from the interior of the curette part. Residues in the curette part can be brought out, cleaning and using are convenient, and the effects of replacement, negative pressure suction, crushing and convenient cleaning are achieved.

The utility model discloses a bone curette for orthopedic surgery, which comprises a bone curette body, one end of the bone curette body is a curette end, the other end of the bone curette body is provided with a handle, a drainage cavity is arranged in the bone curette body, the curette end is in a hollow spoon shape, the drainage cavity extends into the curette end, and the handle is arranged on the handle. A drainage hole is formed in one end, far away from the bone curette body, of the curette end; the bone curette has the advantages that after necrotic bones of a patient are curetted by the bone curette, if human tissue fluid exists, the position of the bone curette body is adjusted, the end head of the curette is in contact with the tissue fluid, the drainage hole enters the tissue fluid, and the tissue fluid is sucked out through negative pressure suction force formed by pulling the push rod outwards, so that in the curette operation, the bone curette is convenient to use. Other drainage instruments do not need to be replaced, the complexity is reduced, auxiliary measures are provided, and if the push rod is damaged, external suction removal can be carried out by unsealing the flow guide pipe to improve safety guarantee.

The present disclosures describe devices and methods to repair cartilage defects using arthroscopic surgical methods. The disclosed devices include a cannula assembly including a cannula body, a dam seal sub-assembly disposed proximally from the cannula body, and an obturator inserted coaxially through both the cannula body and the dam seal sub-assembly; an articulated arthroscopic cutting tool; a ring curette; a square curette; a rake curette; a matrix shuttle delivery device (540) comprising at least two deployment wings (548) for delivering a cell-seeded support matrix including chondrocytes; and an applicator tool.

Provided is a curette having the function of making it possible to easily confirm the orientation of an affected site surface in a body cavity. This curette comprises: a shaft part 2 that extends in a linear rod shape; and a head part 3 that is provided at the tip end of the shaft part 2. The shaft part 2 is provided with a posture recognition part 5 that, if the head part 3 is at a surface, can recognize the vertical direction n1 of said surface and, if the head part 3 is not at a surface, can recognize the direction in which the tip of the head part is pointing.

The double-headed surgical instrument includes a handle, a first shaft extending out of the handle in a first direction, a probe head located at a distal end of the first shaft, a second shaft extending out of the handle in a second direction, and a curette head located at a distal end of the second shaft. The first shaft, the handle, and the second shaft may be axially aligned with respect to one another. At least one of the first shaft and the second shaft may be formed from an elastically deformable material. The probe head may be configured as an anal probe head for probing and curing an anal fistula, or for traversing a fistula tract. The curette head may be adapted to traverse a sinus cavity for treating a pilonidal sinus disease.

1. The name of this design product: bone curette. 2. Purpose of this design product: for orthopedic devices. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

The utility model provides a swinging curette, which relates to the technical field of medical instruments and comprises a base rod, a movable rod in sliding fit with the base rod, a handle, a curette head and a swinging joint, the handle, the curette head and the swinging joint are respectively connected with the movable rod and the base rod in a matched mode, the base rod is hinged to the swinging joint and is in limiting fit through a first limiting structure, and the movable rod is in running fit with the swinging joint. The movable rod moves to drive the swing joint to rotate with a hinge shaft of the swing joint and the base rod as a rotation center line, the first limiting structure limits the swing range of the swing joint, the curette head is hinged to the swing joint and is in limiting fit with the swing joint through the second limiting structure, and the second limiting structure limits the rotation range of the curette head. The device is simple in structure and convenient to operate.

The invention relates to the technical field of medical instruments, in particular to a disposable tympanic membrane and auditory meatus skin flap microscopic scalpel which comprises a grab handle, an auditory meatus skin flap scalpel end and a puncture curette end, and the auditory meatus skin flap scalpel end and the puncture curette end are fixed to the two ends of the grab handle respectively. The perforated curette end comprises a main body axially fixed on the grab handle, a bent section fixed at the end part of the main body and an elliptical ring fixed at the end part of the bent section, the main body, the bent section and the elliptical ring are integrally formed, an included angle is formed between the bent section and the main body, and convex elliptical cutting edges are arranged on two surfaces of the elliptical ring; the ear canal flap knife end comprises a knife rod fixed on the grab handle and a blade fixed at the end part of the knife rod, the blade is provided with an arc-shaped cutting edge, and the tip end of the blade is provided with a sharp edge. The scalpel can give consideration to tympanic membrane repairing and auditory meatus flap cutting operation, achieves multiple purposes, has higher operation efficiency and convenience, and is high in safety and low in manufacturing cost; the cutter changing steps and time in the operation are effectively reduced, and the operation efficiency is improved.

The invention provides a head-mounted auxiliary device for meibomian gland treatment operation, and belongs to the technical field of meibomian gland treatment. Comprising a head-mounted frame and a cyst clamp body, side plates are fixedly connected to the two ends of the head-mounted frame, a clamping disc and a clamping ring are fixedly connected to the top end of the cyst clamp body, a first adjusting knob is screwed to the cyst clamp body, and an alignment adjusting mechanism is used for assisting medical staff in cyst excision. By arranging the alignment adjusting mechanism, a medical worker can fix the cyst clamp body by means of a clamping block and a first transverse rod, the medical worker does not need to hold the cyst clamp body manually all the time, and the convenience of surgical operation is improved; according to the cyst curette, a medical worker can extrude jelly-like substances, which are damaged by the curette, in the cyst from the notch by means of extrusion force of the clamping piece, so that the medical worker can be prevented from directly contacting the cyst with hands, the medical worker does not need to extrude the cyst by means of the curette, and the treatment convenience of the jelly-like substances in the cyst is improved.

The utility model discloses an anal fistula curette, which comprises a main body (1) provided with a head part and a tail part which are opposite to each other along the length direction; the spoon head part (2) is fixed with the head part of the main body (1); and the ball head part (3) is connected with the tail part of the main body (1). When the fistulous tract needs to be detected, the ball head part is inserted into the fistulous tract, so that the anal fistula curet can be used for detecting the fistulous tract, the ball head part is round and smooth and cannot scratch a patient, and when rotten tissues in the fistulous tract need to be cleaned, the curet head part extends into the fistulous tract, and the rotten tissues are scraped off through the curet head part. Therefore, the anal fistula curet can be used for detecting fistula tracts and scratching rotten tissues, is reasonable and practical in structure, and can reduce the recurrence rate and complications of anal fistula.

The utility model relates to an oral cavity curette, which belongs to the field of medical instruments and comprises a handle, a connecting rod, an umbrella-shaped curette part, a lighting device and a curette part folding device. The spoon folding device comprises a connecting steel wire rope connected to the umbrella-shaped spoon and a spiral pipe capable of folding and unfolding the connecting steel wire rope, the light gathering pipe is connected with the connecting rod, the other end of the light gathering pipe is connected with the spiral pipe, anti-skid threads are arranged on the surface of the handle, the connecting rod is connected with the umbrella-shaped spoon, the illuminating lamp is arranged in the light gathering pipe, and a battery assembly is arranged in the handle. According to the illuminating device, the brightness of a working part can be enhanced, all surfaces of tooth sockets with different sizes can be cleaned by only one working end through the spoon part folding device, and the working efficiency is improved.

The invention discloses a manual operation curette which is of an integrated structure and is generally in a sheet shape as a whole. The curette is arched when not used; during use, when a surgeon pushes human tissue with the curette, the curette is elastically bent in response to the acting force applied by the patient tissue at one end of the curette, and the bending tends to straighten the curette to a flat configuration. The curette is provided with one or more tactile and / or visual indicators along the longitudinal axis, each indicator indicating a gripping position that uniquely corresponds to a bending strength value of the curette. According to the design, when a doctor holds a certain specific tactile / visual indicator position of the curette, the curette can be flattened and deformed only when the applied pressure reaches a value uniquely corresponding to the indicator. This means that the surgeon can obtain objective quantitative feedback of the pressure exerted on the tissue. The curette can also be provided with a light source, and under the condition, light is spread in a curette material, similar to an optical fiber, so that illumination on the retracted tissue is realized.

The utility model discloses a spine patient treatment curet which comprises a handle, a connecting frame is fixedly connected to the outer side of the handle, a sliding rod is fixedly connected to the interior of the connecting frame, an adjusting block is slidably connected to the outer side of the sliding rod, connecting blocks are fixedly connected to the bottom of the adjusting block at equal intervals, and a connecting base is arranged in the handle. Connecting grooves used in cooperation with the connecting blocks are formed in the connecting base at equal intervals, and a connecting rod is fixedly connected to one side of the connecting base. The utility model relates to the technical field of treatment curettes, according to the treatment curette for spinal patients, a knob, a threaded rod, an adjusting block, a connecting block, a connecting rod, a connecting seat and a connecting groove are arranged, so that the curette plate can be quickly disassembled and assembled, and the curette plate can be conveniently replaced, disassembled, cleaned and disinfected; and by arranging an adjusting column, a connecting ring, a fixing block, a push rod, an insertion rod, a spring and a fixing groove, the function of adjusting the length of the handle is achieved, use by different people is facilitated, and the applicability is high.

A surgical cautery device, system, and method of use may apply bipolar and / or sesquipolar electrocautery to target tissue via a pair of instruments with other primary surgical functions. The surgical cautery device and system may include first and second elements capable of forming an electrical circuit. The second element may be independently positionable with respect to the first element. The first and second elements may also include a surgical component with an independent surgical function. Exemplary surgical components include a rotary blade, a cutting tool, a grasper tool, a micro-scissors tool, a micro-grasping forceps tool, a dissector, a micro-dissector, curette, and a suction cannula. On some occasions, one of the surgical components may be interchangeable with another surgical component.

The utility model discloses a tooth curette which comprises a curette part, and a grabbing auxiliary mechanism is arranged in the middle section area of the surface of the outer ring of the curette part. The curette piece comprises an octagonal rod, two scraping handles fixedly connected to the two ends of the octagonal rod, and two scraping heads fixedly connected to the ends, away from the octagonal rod, of the scraping handles. The grabbing auxiliary mechanism comprises a sleeve arranged on the outer ring of the octagonal rod in a sleeving mode and a movable ring movably connected to the surface of the outer ring of the sleeve. According to the technical scheme, the grasping auxiliary mechanism is arranged on the outer ring of the tooth curette, the sleeve moves back and forth on the octagonal rod of the curette piece, the extending length of the curette piece can be freely changed after the middle finger penetrates through the hook ring, meanwhile, the movable ring moves in the annular groove and can adapt to the rotating action of the curette piece in the scraping process, and the tooth curette is more convenient to use. And the movable ring is rotationally connected with the hook ring, so that a portable switching effect of replacing the curette head of the curette piece can be achieved.

1. The name of the design product: handle. 2. The use of the design product: the design product is used for the handle of medical instruments such as spatula, stripper, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

The invention relates to the field of curettes, and discloses a sterile curette structure which comprises a fixed handle, a storage head is arranged at one end of the fixed handle, a storage groove is formed in the storage head, a plurality of scraping heads are arranged in the storage groove through a switching structure, and a turnover storage structure is arranged at the position, close to the other end, of the fixed handle. According to the requirements of actual conditions, the switching structure can be driven to sequentially and flexibly switch the scraping heads with different sizes stored in the storage head for use on the storage head through the rotating structure and the first driving structure at one end of the fixed handle, so that medical work is facilitated, the problem that the scraping heads are lost due to too many scraping heads is solved, and the working efficiency is improved. And when the scraping head is switched, the operation is simpler and more convenient.

1. The name of this design product: Anal fistula curette. 2. Purpose of this design product: used for the treatment of anal fistula. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model provides a rotary curette, which relates to the technical field of medical instruments and comprises a head part, a handle, a base rod, a movable rod in sliding fit with the base rod, a curette blade body, a swing joint and a limiting structure, the handle is respectively connected with the movable rod and the base rod in a matched manner, and a user can press the handle to drive the movable rod to translate along the length direction of the base rod. The curette blade body is hinged to the base rod, the two ends of the swing joint are hinged to the curette blade body and the movable rod respectively, the movable rod moves to drive the curette blade body to rotate through the swing joint, and the curette blade body is in two-way limiting fit with the limiting structure so that the curette blade body can be parallel to the base rod by the maximum rotation angle and the minimum rotation angle of the curette blade body relative to the base rod. The device can effectively achieve rotation work and is good in using effect.

The utility model discloses a protective frame for an accidental injury prevention scraping treatment device. The protective frame comprises a base and a cover body, a clamping ring is arranged on the base and is used for fixing a handle body of the scraping treatment device; the upper end of the cover body is closed, the lower end of the cover body is open, the base is located at the opening of the lower end of the cover body, and the working end of the scraping device faces the upper end of the cover body; a back plate is arranged on the rear side of the cover body, a flip cover protection plate is arranged on the front side of the cover body, and the back plate and the flip cover protection plate can shield the working end of the scraping treatment device. According to the anti-accidental-injury curettage device protection frame, after a curettage device is in place, the working end is right located in the cover body, the working end of the curettage device is protected, meanwhile, medical workers are protected against accidental injury of sharp instruments, in the disinfection process, the flip cover protection plate can be opened for direct scrubbing and then disinfection, the overall size is small, disinfection is facilitated, operation is facilitated, and the safety of the curettage device is improved. The disinfection cost is reduced.

The utility model relates to medical instrument technical field especially is involved in a dandruff spatula, including handle portion and scraping portion, handle portion and scraping portion are integrative through plastic material injection molding, the upside and / or downside of scraping portion is equipped with blade part, and the end of blade part has round part. Compared with prior art, handle portion and scraping portion are integrative through plastic material injection molding, because its cost is low, can destroy after completing dandruff sampling once, realizes disposable use function, spares the tedious operation of disinfecting scraper, not only can improve dandruff sampling efficiency, but also can prevent the risk of infection due to incomplete disinfection and poor modeling.

A device for removing infected tissue from a patient is provided. The device includes a handle body attached to a curette. The handle body comprises first and second channels extending therethrough. The curette comprises third and fourth channels extending therethrough. The first and third channels are disposed in fluid communication. The second and fourth channels are disposed in fluid communication. The curette comprises a generally cup-shaped curette head having a scraping edge at one end. The third and fourth channels comprise openings disposed proximate or within the curette head. Methods of using the device to remove infected tissue from a patient are disclosed.