206 results about "Outer Cannula" patented technology

The invention relates to the technical field of medical instruments, in particular to a split type hemorrhoid artery ligation hemorrhoid suspension operation positioning device and application thereof. The device comprises an outer sleeve and an inner sleeve, the inner sleeve is movably and / or rotatably arranged in a cavity of the outer sleeve, the outer sleeve is provided with an outer sleeve operation window, the inner sleeve is provided with an inner sleeve operation window, and the outer sleeve operation window and the inner sleeve operation window can be moved or rotated. The outer sleeve operating window and the inner sleeve operating window are at least partially aligned with each other at at least one operating window position; the outer sleeve and the inner sleeve longitudinally extend to at least partially form a cylindrical or conical or truncated cone-shaped structure, the outer sleeve forms a tubular shell main body and a shell split body along the longitudinal extension direction, and the side edges of the tubular shell main body and the shell split body are detachably connected; an optical unit is arranged on the shell split body so as to irradiate the cavity of the outer sleeve.

A bone marrow aspiration device includes an outer cannula connected to an outer handle, and a first cannula that fits through the outer cannula and extends beyond a distal end of the outer cannula. The first cannula is connected to a first handle including a mating feature. A removable sharp stylet fits coaxially through the first cannula and is connected to a stylet handle including a mating feature to engage with the mating feature of the first handle, to couple the stylet handle to the first handle. A proximal end of stylet forms an adapter to couple to a drill, the first cannula and stylet rotating together when driven by the drill coupled to the adapter. A second cannula fits through the first cannula once the stylet is removed, a distal end of the second cannula closing off the distal end of the first cannula but leaving open one or more side apertures in the first cannula, to aspirate bone marrow through the open side apertures. A screw mechanism, formed by a lead screw extending from the first handle and engaging a threaded portion of the outer handle, allows the first cannula to be retracted through the outer cannula with rotation of the first handle relative to the outer handle.

A device for tissue shaving includes an elongated outer cannula having a tissue pinching distal end, an elongated inner shaft extending through the cannula and having a tissue shaver at a distal end. The tissue pinching distal end of the outer cannula is configured to pinch a portion of the tissue and the tissue shaver of the inner shaft is configured to be rotated and cut the pinched tissue portion via a shearing action.

An optical cannula system can include a cannula, a body, a first tube, a second tube, and a valve assembly. An outer cannula wall can define an interior space extending along an axis of the cannula. One or more inner cannula walls within the outer cannula wall can divide the interior space into a first channel and a second channel. A proximal portion of the cannula can be received within the body. The first and second tubes can extend from the body. The valve assembly can have a first configuration in which the first tube is in fluid communication with the first channel and the second tube is in fluid communication with the second channel. The valve assembly can have a second configuration in which the first tube is in fluid communication with the second channel and the second tube is in fluid communication with the first channel.

The embodiment of the present application provides a laser ablation catheter, which comprises a laser fiber bundle, an adjustable head, an outer tube, a sleeve and a connector; the outer tube wraps the laser fiber bundle; the adjustable head comprises an adjustable support made of a shape memory material and sleeved at one end of the outer tube; the connector is connected to the other end of the outer tube, and the laser fiber bundle can be connected to a laser generator through the connector; the sleeve is sleeved outside the adjustable support and used for compressing the adjustable support; at least one end of the adjustable support is a movable end, and the movable end is slidingly connected to the outer tube; when the sleeve is removed, the movable end provides a condition for the deformation of the adjustable support. The laser ablation catheter is kept in the center of a target blood vessel through the adjustable head, so that the laser is concentratedly irradiated to a lesion position and the adverse effect on a blood vessel wall is reduced.

The utility model discloses a centrum puncture biopsy needle which comprises an outer tube structure, the outer tube structure comprises an outer sleeve, the outer sleeve is provided with an outer tube handle, the outer tube handle is provided with a main installation opening communicated with the outer sleeve, and the outer sleeve can be spliced with an inner core structure or an inner tube structure; the inner core structure comprises a puncture cone, a cone handle is arranged at one end of the puncture cone, and the cone handle is connected with the outer tube handle through an assembling assembly; according to the puncture device, tissue sclerotin can be effectively cut off, sclerotin tissue can be cut into the inner sleeve, target sclerotin can be conveniently extracted, the problem that an existing puncture device cannot accurately extract the target sclerotin is solved, positioning and assembling can be conducted, the precision during assembling is improved, and the puncture device is convenient to use. The precision of sampling operation is ensured, and the use is convenient.

In the using process of the stitching instrument, a puncture part is arranged at a needle inserting limit position and a needle withdrawing limit position in an outer sleeve in the axial direction in a reciprocating motion mode, a negative pressure source opening and closing triggering element is arranged on a shell, and the negative pressure source opening and closing triggering element is used for opening or closing a negative pressure source. The negative pressure source opening and closing triggering element is triggered when the puncture piece is in the far-end stroke so that the negative pressure source can be kept open, and the negative pressure source opening and closing triggering element is not triggered when the puncture piece is in the near-end stroke so that the negative pressure source can be kept closed. Namely, the state of the negative pressure source is automatically adjusted according to the real-time position information of the puncture piece, the negative pressure source does not need to be adjusted through manual operation, the operation difficulty is lowered, the error rate is lowered, the automation degree is improved, and the suturing efficiency is greatly improved.

The utility model relates to the technical field of glycerine enema, in particular to an anti-reflux auxiliary device for glycerine enema, which comprises a liquid medicine capsule, an intubation tube is fixedly connected to the right end of the liquid medicine capsule, a plugging tube is movably connected to the outer surface of the intubation tube in a penetrating manner, an outer sleeve is movably connected to the outer surface of the plugging tube in a penetrating manner, and the right end of the intubation tube is of a cambered surface structure. A plurality of liquid medicine spraying holes are formed in the right end of the intubation tube, a liquid feeding cavity and a movable cavity are formed in the intubation tube, the movable cavity is communicated with the liquid feeding cavity, a ball is arranged in the movable cavity, and a partition plate is fixedly connected to the inner wall of the movable cavity and located on the right portion of the ball. According to the anti-reflux auxiliary device for the glycerine enema, liquid medicine can be prevented from reflowing and splashing, and the cleaning burden is reduced.

Aspects of the present invention relate to a delivery device for locating an expandable implant for treating BPH within the prostatic urethra of a patient. The delivery device comprises an inner tube and an outer sleeve movable relative to the inner tube between a stored position and a deployed position. The outer sleeve surrounds the inner tube to define an annulus therebetween and the expandable implant is retained within the annulus when the outer sleeve is in the stored position.

The utility model discloses an abdominal cavity drainage tube device which comprises a drainage tube, an outer sleeve, an outer air bag, an inner air bag, an air bag inflation and deflation connector and a limiting ring. The drainage tube is sleeved with the outer sleeve, and an air bag channel extending in the length direction of the outer sleeve is arranged in the tube wall of the outer sleeve; the outer air bag surrounds the outer part of the near end of the outer cannula and is communicated with the air bag channel; the inner air bag surrounds between the interior of the near end of the outer cannula and the drainage tube and is communicated with the air bag channel; the air bag inflation and deflation connector is connected to the outer portion of the far end of the outer sleeve and communicated with the air bag channel. The limiting ring is arranged outside the outer sleeve and located on the far end side of the outer air bag, and an interval used for limiting the abdominal cavity wall is formed between the limiting ring and the outer air bag.

The application discloses an ear-nose-throat department rhinitis and rhinosinusitis nasal cavity flushing device, and belongs to the technical field of medical instruments, which comprises a flushing liquid injection mechanism and an inner-outer cannula breathing mechanism which are used in cooperation, wherein the flushing liquid injection mechanism comprises a liquid storage bag and a first conducting pipe, the first conducting pipe is connected with the liquid storage bag through a liquid delivery pipe, a nasal cavity liquid supply assembly and a nasal cavity foreign matter cleaning assembly are arranged on the first conducting pipe, and the nasal cavity liquid supply assembly is used in cooperation with the liquid delivery pipe; the inner-outer cannula breathing mechanism comprises a second conducting pipe, and a flushing liquid discharge assembly and a positioning assembly are arranged on the second conducting pipe; through the arrangement of the flushing liquid injection mechanism and the inner-outer cannula breathing mechanism, the device can effectively clean the nasal cavity of a patient, meets the demand of different cleaning modes, and has the characteristics of good cleaning effect, simple and convenient use and low manufacturing cost.

An arthroscopic cutting probe includes an outer sleeve having a longitudinal bore and an outer cutting window at its distal end. An inner sleeve is rotationally disposed in a bore of the outer sleeve, and the inner sleeve has a distal end, a proximal end, a longitudinal passageway, and an inner cutting window at its distal. An active electrode sleeve is disposed on an outer surface of the inner sleeve in a position opposed to the inner cutting window. Rotation of the inner sleeve relative to the outer sleeve causes the inner cutting window to rotate past the outer cutting window to resect tissue received through the cutting windows as they pass each other. Radiofrequency current can be applied to the active electrode to enhance tissue cutting then the cutting windows are being rotated or to able or cauterize tissue when the cutting windows are held stationary with the active electrode disposed through the outer cutting window.

The utility model discloses a blood RNA preservation tube which comprises an outer tube body, a placing cylinder, an outer tube cover, an inner tube body and an inner tube cover, a second outer thread groove is formed in the outer side of the top of the outer tube body, a stable base is fixedly installed at the bottom of the placing cylinder, a second inner thread groove is formed in the bottom of an inner cavity of the outer tube cover, and a first inner thread groove is formed in the top of an inner cavity of the inner tube body. Scale marks are arranged on the outer side of the inner tube body. The design of the inner sleeve and the outer sleeve is adopted, the inner sleeve body contains pre-loaded RNA preserving fluid used for directly preserving a blood RNA sample, the outer sleeve body provides a protection function, the stability and the use convenience of RNA preservation are further improved through an independent double-layer sealing structure and an optimized volume design, the outer sleeve body is made of an ultraviolet-proof transparent material, and the service life of the inner sleeve body is prolonged. The inner tube body is designed to be of a small-size structure, a negative pressure environment is arranged, waste of preservation liquid is effectively reduced, and meanwhile the risk of RNA degradation caused by oxygen is reduced.

The utility model belongs to the technical field of veterinary insemination devices, and particularly relates to a veterinary insemination tube ejector which comprises an outer sleeve and an inner needle tube, and the inner needle tube penetrates through the outer sleeve. The outer sleeve comprises a sleeve and a sleeve handle, the sleeve handle comprises a base and a cover plate, and the cover plate covers the front end of the base; a sleeve fixing groove, a semen deposition sleeve fixing groove and a clamping piece fixing groove are sequentially formed in the sleeve handle from back to front, a first semen deposition sleeve penetrating hole is formed in the cover plate, and the diameter of the first semen deposition sleeve penetrating hole is equal to the inner diameter of the semen deposition sleeve fixing groove. The sleeve is inserted into the sleeve fixing groove to be fixed and sequentially penetrates through the semen deposition sleeve fixing groove, the clamping piece fixing groove and the first semen deposition sleeve penetrating hole. A reset spring and an L-shaped clamping piece are arranged in the clamping piece fixing groove, the reset spring is located on the rear side of the L-shaped clamping piece, and the rear portion of the L-shaped clamping piece abuts against the front portion of the reset spring. A clamping piece reserved hole is formed in the side wall of the clamping piece fixing groove, and the L-shaped clamping piece penetrates through the clamping piece reserved hole. A second semen deposition sleeve penetrating hole is formed in the L-shaped clamping piece, and the sleeve penetrates through the second semen deposition sleeve penetrating hole. The inner needle tube comprises a long needle head and a push-pull handle, the long needle head is inserted into the sleeve, and the push-pull handle is arranged on the outer side of the rear end of the sleeve handle.

The utility model discloses a kind of cerebral angiography and treatment of radial artery approach combined catheter, belong to medical instrument technical field, the catheter includes outer sleeve and inner core pipe;The outer sleeve includes outer tube body, the inner core pipe is movably threaded in the lumen of outer sleeve, the inner core pipe includes connected proximal end tube body and distal end tube body, the distal end tube body is pre-shaped structure, the pre-shaped structure of the distal end tube body is formed by multiple arc transition sections connected head to tail, the multiple arc transition sections constitute hook shape and the head end of distal end tube body extends to the outside of hook, the length of the pre-shaped structure of the distal end tube body is 12.5-18.5cm.The utility model sets outer sleeve and inner core pipe as independent catheter, without nesting and unscrewing when operating, reduce blood vessel injury risk;Inner core pipe has stronger superselective ability, can be directly used for the superselective angiography of target blood vessel.

The invention discloses an intragastric balloon recovery device and a system for taking out an intragastric balloon, and relates to the technical field of medical instruments. By arranging the pushing assembly and the locking assembly, the locking assembly can control the pushing piece to move and be fixed in the outer sleeve, then the puncture needle at the far end is pushed out of the outer sleeve or fixed in the outer sleeve, the puncture needle can stretch out of the outer sleeve and puncture the intragastric balloon, and the fixed balloon is limited in the intragastric balloon; therefore, the medium in the intragastric balloon and the intragastric balloon body can be drawn out through a single instrument and single operation. The process is easy to operate, operation instruments do not need to be replaced frequently, and the suction process is stable; the design of the Y-shaped Luer taper ensures that the suction channel and the puncture structure of the pushing assembly are separated on the holding handle, so that the intragastric balloon recovery device provided by the invention can realize the suction function without completely extracting the needle out of the outer sleeve.

The utility model discloses a centrum focus tissue sampling device which comprises an outer sleeve and an inner sleeve and further comprises an inner core sampling structure, the inner sleeve is clamped in the outer sleeve and can be disassembled and assembled, the inner core sampling structure is movably arranged in the inner sleeve, and the inner core sampling structure is connected with the outer sleeve. The inner core sampling structure is matched with the inner sleeve to rotate to sample focus tissues; the inner core sampling structure comprises an inner core rod, a sampling rod is arranged on one side of the inner core rod, a cone part is arranged at the end of the sampling rod, and a threaded tip is arranged on the sampling rod. By adopting the closed structure of the inner core sampling structure and the inner sleeve, the sampling of the focus tissue is facilitated, the focus tissue at the same part can be sampled for multiple times, the operation is convenient, and the replacement and sleeve connection are not needed.

The utility model relates to a nailing system for a surgical robot. The nailing system comprises a hollow nailing device and a hollow nail. And the hollow nail is detachably connected with the hollow nailing device. The hollow nailing device comprises an inner core and an outer sleeve arranged outside the inner core in a sleeving mode. A first through hole penetrating in the axial direction is formed in the inner core. The distal surface of the outer cannula is provided with external threads. The hollow nail comprises a nail seat and a hollow nail head fixedly connected with the nail seat. A cavity for assembling the far side part of the inner core is formed in the screw seat, and internal threads matched with the external threads are arranged on the screw seat. A second through hole penetrating in the axial direction is formed in the hollow nail head.

The application discloses a puncture needle device for nephrology and a sampling method, and belongs to the technical field of medical devices. The device comprises an outer sleeve needle body, an inner core assembly, a driving control assembly and a sampling structure. The inner sleeve needle body is internally provided with a sampling cavity and a sampling cavity which are independent of each other, the inner core assembly is coaxially assembled in the sampling cavity in a detachable manner, and is used for carrying out the acquisition, cutting and containing of tissues. The driving control assembly is in transmission cooperation with the inner core assembly, and provides driving force for the inner core assembly to complete the sampling action. The sampling structure is movably arranged in the sampling cavity, and is used for receiving and taking out the inner core assembly after the sampling is completed. The application adopts a pure mechanical structure design, keeps the outer sleeve needle body fixed after single puncture is in place, and realizes multiple continuous sampling only by replacing the inner core assembly, so that the defects of low sampling efficiency, easy sample damage, high risk of patient injury and the like of the existing puncture needle are solved, and the application has the advantages of convenient operation, safety and reliability.

The embodiment of the invention provides a sealing connection structure for a rich-resistance tube bundle and a tube plate and a heat exchanger. The sealing connection structure comprises an outer sleeve, an inner core, a tube hole sealing ring, a water side sealing ring and an annular sealing ring. The inner tube wall of the outer sleeve is provided with internal threads, and one end is connected with the tube hole of the tube plate; the outer wall of the inner core is provided with external threads matched with the internal threads of the outer sleeve, one end of the inner core is provided with a conical portion matched with the pipe hole, the inner core is provided with a through hole penetrating through the inner core, the inner wall of the through hole is provided with an annular sealing groove, and the inner wall of the end, away from the conical portion, of the through hole is provided with an end face groove. The pipe hole sealing ring is arranged between the end surface of the conical part and the inner wall of the pipe hole; the water side sealing ring is embedded in the end face groove, and the annular sealing ring is embedded in the annular sealing groove. When the inner core is screwed into the outer sleeve in a rotating mode, the conical portion of the inner core is connected with the pipe hole sealing ring in a pressing mode, the extending end of the rich-resistance pipe is connected with the water side sealing ring in a pressing mode, and the annular sealing ring is tightly attached to the outer wall of the rich-resistance pipe.

This utility model discloses a multi-segment gradient telescopic needle gauge, including a housing handle with a blind hole at one end, within which a needle gauge assembly is housed. The needle gauge assembly includes an outer tube, inside which multiple inner tubes are sequentially fitted. The inner tubes can extend and retract axially within the outer tube, and the outer tube can also extend and retract axially within the housing handle. A first and second sliding groove are axially offset on the side wall of the housing handle, and a connecting groove is provided on the side wall of the housing handle. A locking block is provided on the side wall of the outer tube, with one end extending out of the housing handle. The locking block can slide within the first and second sliding grooves, and can abut against the end faces of the first and second sliding grooves respectively. A single needle gauge in this utility model can cover multiple sizes, reducing changeover time and making it easy to carry. Furthermore, it eliminates the need for external tools, allowing for size switching with one hand, thus improving operational convenience.

The invention discloses a multi-side-hole craniocerebral suction needle special for neurosurgery robot operation, which comprises an outer sleeve, a tube handle is integrally formed at the end part of the outer sleeve, the length of the outer sleeve is 190-220mm, a plurality of drainage holes are formed in one end, far away from scale marks, of the outer sleeve, the diameter of the outer sleeve is any one of 1.2 mm, 1.5 mm, 1.8 mm, 2.1 mm, 2.4 mm, 2.7 mm, 3.0 mm, 3.4 mm, 3.8 mm and 4.2 mm, and the diameter of the outer sleeve is one of 1.2 mm, 1.5 mm, 1.8 mm, 2.1 mm, 2.4 mm, 2.7 mm, 3.0 mm, 3.4 mm, 3.8 mm and 4.2 mm. The drainage holes are used for meeting the suction requirement of a neurosurgery operation robot, and the diameter of each drainage hole is 0.3-1 mm. The device has the advantages that ultrahigh-efficiency suction of intracranial hematoma or abscess can be achieved, the common clinical problems of tube blocking and insufficient suction in the operation can be effectively avoided, and the hematoma and abscess removing efficiency in the neurosurgery robot operation is remarkably improved. Therefore, the operation time is shortened, the operation effect and the clinical curative effect are improved, the hospitalization cycle of a patient is shortened, the hospitalization cost is reduced, and the sick rate is reduced.

This invention discloses an anti-fog and heat-insulating puncture device for thoracoscopic surgery, belonging to the field of medical device technology. Its key technical features include: an outer sheath, with a puncture assembly on its inner wall, the puncture assembly including a puncture needle core that slides through the inner wall of the outer sheath, a needle core handle fixedly connected to the upper end of the puncture needle core, a needle tip fixedly connected to the lower end of the puncture needle core, an outer sheath seat fixedly connected to the upper outer wall of the outer sheath, a fixing handle fixedly connected to the outer wall of the outer sheath seat, and a sealing assembly on the outer wall of the outer sheath seat. This invention achieves heat insulation through a double-layer structure formed by the outer and inner sheaths; gas circulation is formed through the cooperation of the air inlet and outlet holes, effectively expelling fog from the inner wall of the inner sheath and ensuring a clear surgical field; the sealing valve and sealing sleeve achieve internal sealing of the outer sheath to prevent gas leakage; the sealing ring is precisely positioned by positioning pins and positioning holes, and the sealing cap is stably installed by locking blocks and protruding pins, providing double sealing to prevent gas leakage and impurity entry, reducing the risk of infection.

The invention provides an endoscope cleaner capable of circularly cleaning in-cavity sealing fluid, which comprises a sealing upper cover, a fixed seat, an inner sleeve and an outer sleeve, and is characterized in that the sealing upper cover and the fixed seat are connected through a reverse buckle arranged on the sealing upper cover and a hidden clamping groove arranged on the fixed seat; the inner sleeve is upwards supported by the outer sleeve, so that the inner sleeve is embedded and connected into the middle hole of the fixed seat; the outer sleeve is connected with the fixing seat through a plurality of clamping teeth evenly distributed in the circumferential direction of the top end of the outer sleeve and a clamping groove in the fixing seat. According to the endoscope cleaner capable of achieving circulating cleaning through the sealed fluid in the cavity, the number of parts of the whole structure is greatly reduced, main components are connected through a buckle structure, and therefore the problems that the welding process is low in efficiency and high in manufacturing cost are solved, the sealing performance after connection can be ensured, and through the reasonable structural layout, the sealing performance of the endoscope cleaner is improved. And the connection stability and the structural strength are improved.

The utility model discloses a novel metal gas cutting sleeve pipe, including fixed base, outer sleeve, arc throat pipe and arc inner tube, outer sleeve sets up on one end of fixed base, arc throat pipe sets up on the other end of fixed base, just with outer sleeve intercommunication, arc inner tube arranges in outer sleeve, fixed base and arc throat pipe, and arc inner tube is connected with outer sleeve through the limiting piece movably, the inner arc wall of arc throat pipe is equipped with oxygen delivery channel, the utility model discloses through the outer wall of arc throat pipe additional oxygen delivery channel, effectively avoided the space of oxygen pipe insertion in arc throat pipe, realizes oxygen delivery channel relative independence, can be connected with the gas duct through oxygen supply device and realizes the delivery of oxygen, to guarantee the patient to obtain enough oxygen source in the operation of breathing endoscope, and the oxygen delivery channel is equipped on the inner arc wall of arc throat pipe, can effectively save the space, avoids the discomfort of the patient wound part through the additional pipeline.

The utility model provides a radiofrequency ablation catheter and a radiofrequency ablation system. The radiofrequency ablation catheter comprises a balloon, an inner tube, a guide wire tube, an outer sleeve and a radiofrequency electrode, the near end of the balloon is provided with a near-side tube section extending along the longitudinal axis of the balloon; the inner tube is provided with an inflation cavity and a guide wire tube penetrating cavity which are not communicated with each other, the far end of the inner tube is inserted into the near-side tube section, the inner tube is in sealed connection with the near-side tube section, and the far end of the inflation cavity is communicated with an inner cavity of the balloon; the far section part of the guide wire tube extends out of the far end of the guide wire tube penetrating cavity and extends to an inner cavity of the balloon, and the guide wire tube is in sealed connection with the guide wire tube penetrating cavity; the outer sleeve is arranged outside the inner tube in a sleeving mode, the far end of the outer sleeve is connected with the near-side tube section, a gap is formed in the joint, and a threading cavity between the outer sleeve and the inner tube is used for containing a cable; the radio frequency electrode is provided with a far-side ablation area and a near-side wiring area connected with the cable, extends to the gap from the near-side wiring area to the far-side ablation area along the threading cavity, penetrates out of the gap and then is attached to the surface of the near-side pipe section to extend to the outer surface of the balloon.

This invention relates to the field of medical water sampling technology and discloses a water sampling device, including a connecting component and a sterile container. The connecting component is used to connect a sampling port, and the sterile container is used to hold the water sample. The connecting component includes an inner tube and an outer tube, one end of which is fixedly connected to the inner tube. The inner tube and the outer tube together form a fitting area for inserting the sampling port. An annular elastic membrane is provided at the open end of the fitting area. When the sampling port is inserted into the fitting area, the annular elastic membrane is stretched and tightly covers the sampling port. This invention addresses the problem in the prior art where disinfecting the sampling port is time-consuming, affecting sampling efficiency.

The application provides a surgical bipolar electrotome, which comprises a knife head, an outer sleeve fixing base, a fixing ring, a conversion base, a fixing ring power supply wire, a knife head electrode power supply wire, a rotating ring and a handle shell, the rotating ring fixes the conversion base on the outer sleeve fixing base, so that the outer sleeve fixing base, the conversion base and the rotating ring cannot rotate relative to each other, one end of the knife head electrode power supply wire is connected with the rotating ring, and the other end is connected with the electrode of the knife head, the fixing ring is fixed with the handle shell, the fixing ring is in frictional contact with the rotating ring, one end of the fixing ring power supply wire is fixed on the handle shell, and the other end of the fixing ring power supply wire is connected with the fixing ring. The technical scheme solves the problem of winding of the internal power supply wire of the electrotome in the rotating process of the knife head, realizes 360-degree rotation of the knife head, and increases the convenience of doctors in the surgical process.

The grouting assembly of the grouting sleeve comprises the grouting sleeve, a grouting pipe is arranged at the bottom of one end of the grouting sleeve, a grouting device is installed on the grouting pipe, a grout outlet pipe is arranged on the portion, above the grouting pipe, of the grouting sleeve, and a plugging device is installed on the grout outlet pipe. Compared with the prior art, the utility model has the following beneficial effects: through the arrangement of the outer sleeve and the inner insertion pipe, when in use, the inner insertion pipe is accurately inserted into a grout outlet pipe or a grouting pipe, and meanwhile, the outer sleeve is tightly sleeved on the outer side of the grout outlet pipe or the grouting pipe, so that the design of the double-sealing structure is very exquisite, and the inner insertion pipe is tightly attached to the inner wall of a pipeline; and the outer sleeve is further wrapped from the outside to effectively prevent slurry from seeping, so that material waste caused by slurry leakage can be avoided, the cleanliness of a construction site environment can be ensured, and the difficulty of subsequent cleaning work is reduced.

The utility model provides an intelligent probe fixing frame for water area detection, which belongs to the technical field of water area detection, and comprises a telescopic assembly, a buffer assembly and a probe mounting rack, the telescopic assembly comprises an outer sleeve, a screw rod and an inner sleeve, the bottom end of the inner sleeve is fixedly connected with a horizontal support plate, and the bottom end of the horizontal support plate is fixedly connected with the screw rod; a vertical supporting plate is fixed below the horizontal supporting plate, a first reinforcing rib is connected between the vertical supporting plate and the horizontal supporting plate, a first U-shaped plate is rotationally connected to the first reinforcing rib through a bolt, and a probe mounting frame is fixed to the bottom of the first U-shaped plate through a first hydraulic damper. Different depth detection requirements can be met by controlling the telescopic assembly, the probe mounting frame is connected with the buffer assembly, the probe can be prevented from being damaged by impact, the mechanism is simple, the device is easy to unfold and fold, and rapid work is facilitated.