111results about How to "Avoid oppression" patented technology

The invention discloses a rotatable closed type sputum suction tube. The closed sputum suction tube comprises a sputum suction tube assembly and a three-way connector connected with the sputum suction tube assembly, the sputum suction tube assembly comprises a sputum suction tube and a thin film protective sleeve arranged outside the sputum suction tube in a sleeving mode, and the three-way connector is provided with a trachea cannula connector, a breathing machine connector and a sputum suction tube connector. The sputum suction pipe is connected with the sputum suction pipe connector through the sputum suction pipe first sleeve connector, and one part of the sputum suction pipe is rotationally connected with the sputum suction pipe first sleeve connector. A rotatable one-way valve is further arranged in the first sleeve connector of the sputum suction pipe, one end of a valve channel of the rotatable one-way valve is fixedly connected with the sputum suction pipe, and a pipeline of the sputum suction pipe is communicated with the valve channel of the rotatable one-way valve. According to the sputum suction tube, the rotatable design is adopted, the position of the tube can be adjusted according to needs, the sputum suction tube is more suitable for a tracheostomy catheter of a patient, the stability of a breathing machine loop is not affected, and meanwhile the problem that the patient feels uncomfortable due to improper height and angle is solved.

The invention belongs to the field of medical care instruments, and particularly provides a leakage-proof urinary catheterization device which comprises a urinary catheterization tube body. One side of the catheter main body is provided with a liquid outlet, and the other side is provided with a urine bag interface; a drainage channel is arranged in the catheter main body; one end of the drainage channel is connected with the drainage port, and the other end is connected with the urine bag connector; the catheter body is further provided with a fixing assembly and a leakage-proof assembly. The fixing assembly is used for fixing the catheter body in the bladder of a patient, and the leakage-proof assembly is used for preventing liquid leakage in a gap between the urethra and the outer wall of the catheter body. The two leakage-proof balloons are arranged on the catheter main body and are connected with the inflator pump integrated with the control function through the leakage-proof balloon inflation cavity, so that the two leakage-proof balloons can be controlled to circularly inflate and evacuate, and the leakage-proof balloon inflation cavity is connected with the inflator pump integrated with the control function while leakage prevention is guaranteed. The situation that the leakage-proof balloon continuously presses the same position of the urethra, and consequently the urethra is hurt is avoided.

The invention relates to the technical field of medical equipment, and particularly discloses a xerophthalmia treatment device and method.The xerophthalmia treatment device comprises a base, a liquid medicine box is arranged in the base, a control panel is arranged at the top of the base, a placement frame is fixedly connected to the side of the base, and a treatment instrument body is placed on the placement frame; the interior of the therapeutic apparatus body is divided into a first cavity and a second cavity through a partition plate, air holes are formed in the upper inner wall and the lower inner wall of the first cavity, two eye massagers are installed on the side, close to the first cavity, of the partition plate, and an atomization therapy mechanism, an air guide mechanism and a backflow mechanism are arranged on the therapeutic apparatus body. The atomization treatment mechanism is used for sucking liquid medicine and atomizing the liquid medicine to form small particles which enter the first cavity, and the air guide mechanism is used for evenly diffusing the small particles. Massage treatment and atomization treatment are combined and can complement each other to exert respective advantages, so that the treatment effect is enhanced.

The invention discloses a trachea cannula with an adjustable cannula diameter, which comprises a cannula body and an adjusting part, and is characterized in that one end of the cannula body is communicated with the adjusting part, and the adjusting part is used for adjusting the cannula diameter of the cannula body; the pipe body comprises an inner pipe and an outer pipe, the outer pipe is arranged on the outer wall of the inner pipe, a first cavity is formed between the inner pipe and the outer pipe, a second cavity is formed in the pipe wall of the outer pipe, and the second cavity is communicated with the adjusting part; the tube wall of the inner tube is sleeved with a steel wire coil, the steel wire coil is located in the first cavity, and a sleeve bag is arranged at the end of the inner tube. The trachea cannula can effectively prevent the situation that the trachea is shrunk or narrow to press the inner tube, so that the inner tube cannot supply oxygen required by a patient or too little oxygen is introduced into the inner tube, can effectively prevent continuous expansion of the outer tube from causing harm to the trachea of the patient, and improves the safety of the cannula.

The utility model relates to a chicken heart blood sampling positioning device. Including operation support, is connected with mounting seat board and turnover drive component on it, is set up with support board no.

The utility model discloses a prefabricated T-beam tensioning end steel formwork, which relates to the technical field of prefabricated T-beam tensioning end steel formworks and comprises a steel formwork body, a pipe fixing unit, a vibration unit and a power unit. A cover plate is installed at the front end of the steel formwork body, and a plurality of rotating cylinders are rotationally connected to the rear end of the interior of the steel formwork body. The pipe fixing unit comprises a hand-screwing bolt in threaded connection with the front end of the rotary drum, and a pipe extruding ball is mounted at the near-center end of the hand-screwing bolt; according to the utility model, when the rotary drum rotates, the rotary drum drives the penetrating lining pipe to rotate, and concrete poured on the lining pipe is buffered and redirected, so that the situation that the lining pipe and the rotary drum are pressed to rotate during continuous pouring of the concrete can be prevented, meanwhile, the buffering base plate continuously impacts the steel template main body to vibrate the steel template main body, and the vibrating steel template main body can improve the pouring uniformity; and meanwhile, after pouring is completed and the T-beam is formed, vibration is conducted when the steel formwork is dismantled, the steel formwork body attached to concrete can be separated more conveniently, and follow-up use is more convenient.

The invention relates to the technical field of hair transplantation instruments, and particularly discloses a hair transplantation postoperative recovery device which comprises a bottom plate, a first supporting plate is movably mounted at one end of the top of the bottom plate, a moving plate is movably mounted at the end, away from the first supporting plate, of the top of the bottom plate, and two second supporting plates are movably mounted at the top of the moving plate; a movable plate is movably mounted on the side, close to the second supporting plate, of the first supporting plate. By arranging the first supporting plate, the second supporting plate, the arc-shaped cover plate and the movable rod, the first supporting plate and the second supporting plate are used for supporting a patient, the patient can keep a semi-horizontal rest posture, blood circulation of the patient is improved, the recovery effect of the patient after hair transplantation is guaranteed, the movable rod plays a role of a neck pillow for the patient, and the patient is prevented from falling off. The arc-shaped cover plate plays a role of a headrest for the patient, and the arc-shaped cover plate and the movable rod play a role of positioning the patient, so that the patient is prevented from turning over under the condition of deep sleep, and the hair follicle is prevented from being pressed.

The invention discloses a wearable multi-parameter health-care vital sign monitor which comprises a monitor body, a fitting disc is arranged on the back of the monitor body, the monitor body and the fitting disc are fixedly connected through a connecting table, the back of the monitor body is fixedly connected with a supporting circular truncated cone, and the supporting circular truncated cone is fixedly connected with the fitting disc. The upper end face of the supporting circular truncated cone is fixedly connected with a guide base, the monitor body is located in the guide base, the monitor body and the guide base are arranged in an up-down elastic sliding fit mode, and a through hole used for receding the connecting table is formed in the middle of the supporting circular truncated cone. According to the device, the guide seat, the connecting table, the attaching disc, the through hole and the control combination are arranged, so that the attaching disc can reciprocate up and down, the pressing feeling on the skin can be relieved when the attaching disc reciprocates up and down, and meanwhile, heat dissipation and perspiration of the pressed skin can be facilitated; therefore, the accuracy of the vital sign parameters acquired by the monitor main body through the fitting disc can be improved, and meanwhile, the discomfort of the skin can be relieved.

The utility model belongs to the technical field of ophthalmologic operations, and particularly relates to a forehead and chin supporting frame for the prone position of a fundus patient, which comprises a fixing plate, guide rods are symmetrically fixed on one side of the top of the fixing plate, a shielding pad is fixed on the top of one end of each guide rod, and a first supporting pad is fixed on one side of each shielding pad. The outer side of the other end of the guide rod is movably sleeved with an adjusting plate, moving openings are symmetrically formed in the side wall of the adjusting plate, the guide rod penetrates through the moving openings, a second supporting pad is fixed to the top of the adjusting plate, the first supporting pad and the second supporting pad are both made of elastic materials, and an elastic rod is fixedly connected to the middle of the side wall of the fixing plate. The outer side of the elastic rod is movably sleeved with an observation plate, and a mirror surface is arranged on the top face of the observation plate. The face of a patient is supported, the eyes of the patient are prevented from being pressed, meanwhile, medical staff can conveniently observe the situation of the eyes of the patient from multiple angles by adjusting the angle of the mirror face, and the practicability of the whole supporting tool is improved.

This utility model discloses a nail removal device for environmentally friendly wooden door production, including a triangular plate. A handle is fixedly connected to the top of the triangular plate, and a nail-pulling plate is provided at the bottom of the triangular plate. This utility model belongs to the technical field of nail removers, specifically a nail removal device for environmentally friendly wooden door production that solves the problem of how nail removers are sometimes used to pry up and remove nails by clamping the nail remover onto a nail cover and using the corner of the nail remover as a fulcrum. In this method, the corner presses against the wooden door, causing damage, and the nail is not pried up perpendicular to the door, resulting in further damage to the door.

The invention relates to the technical field of belly supporting belts, and particularly discloses an intelligent belly supporting belt for pregnancy and a monitoring system of the intelligent belly supporting belt. The two sides of the abdomen supporting belt are each provided with a folding and unfolding mechanism, a fixing mechanism is jointly installed between the opposite faces of the two folding and unfolding mechanisms, a sponge cushion is installed on the inner side of the fixing mechanism, shoulder belts are installed at the top ends of the two folding and unfolding mechanisms, and the other ends of the two shoulder belts are installed at the top end of the abdomen supporting belt; a controller is installed in the middle of the outer wall of the fixing mechanism in an embedded mode. An adjusting mechanism; through meshing rotation of a driving gear and an adjusting gear and cooperation with a transmission belt, the two adjusting cylinders drive the two retracting and releasing shafts to rotate correspondingly, then the degree of tightness of the abdomen supporting belt can be automatically adjusted according to changes of the body type of a pregnant woman, it is ensured that the abdomen supporting belt is not too tight or too loose, the abdomen can be effectively supported, and the abdomen supporting effect is good. And unnecessary compression on the fetus can be avoided, so that the use effect of the bellyband is enhanced.

This invention discloses a flexible sensor and its fabrication process, relating to the field of sensor technology. It aims to solve the technical problem that existing wearable flexible sensors, after prolonged wear, cause pressure on the skin of the arm, resulting in poor wearing comfort. The invention includes a first monitoring mechanism and a second monitoring mechanism. The first monitoring mechanism comprises a first upper frame and a first lower frame, and the second monitoring mechanism comprises a second upper frame and a second lower frame. Upper flexible plates are arranged on the inner sidewalls of both the first and second upper frames, with a heart rate sensor and a body temperature sensor arranged on the bottom surface of the upper flexible plates. Lower flexible plates are arranged on the inner sidewalls of both the first and second lower frames, with a blood pressure sensor and a blood oxygen sensor arranged on the top surface of the lower flexible plates. An air pressure regulating mechanism is arranged between the first and second monitoring mechanisms. This invention has the advantage of being able to switch the monitoring position on the arm skin, improving wearing comfort.

The application discloses a liquid nitrogen sampling heat preservation storage box and a storage method, relates to the technical field of storage devices, and comprises a box body, a box cover arranged on the box body, a liquid nitrogen filling opening arranged on the box body, and a limiting device arranged in the box body. The limiting device comprises a first limiting plate for limiting the bottom surface of a sample placed in a sample bag and a second limiting plate for limiting the top surface of the sample placed in the sample bag. The first limiting plate and the second limiting plate are both hollow structures. The first limiting plate and the second limiting plate are immersed in liquid nitrogen, the overall, rapid and uniform cooling of the sample is realized, and the integrity of nucleic acid is maximally protected. Mechanical damage of the sample caused by the exposure of the sample to the liquid surface due to buoyancy or the collision and friction of the sample with the box cover and the side wall is prevented, and the freezing stability of the sample and the nucleic acid preservation quality under a complex transportation environment in the field are improved.

The utility model discloses a kind of laser device and laser therapeutic instrument, including first laser, second laser, beam synthesis subassembly and optical fiber;The first laser is used for emitting holmium laser towards the beam synthesis subassembly;The second laser is used for emitting thulium laser towards the beam synthesis subassembly;The beam synthesis subassembly is used to beam combining the holmium laser emitted by the first laser and the thulium laser emitted by the second laser into mixed light beam, and the mixed light beam is output to the optical fiber.Wherein, laser device can generate the mixed light beam of holmium laser and thulium laser when working to beam combining, and mixed light beam is guided to target position (such as the region needing treatment) by optical fiber, so that corresponding treatment can be carried out using mixed light beam, so that the treatment effect of holmium laser and thulium laser can be considered.

The utility model discloses a gynecological examining table, and relates to the technical field of gynecological auxiliary equipment. Comprising a bed body, foot bearing mechanisms are arranged on the two sides of the tail of the bed body and used for bearing feet, when the feet of a patient lying on the bed body are placed on the foot bearing mechanisms, the legs are in an upward bending state, and each foot bearing mechanism comprises a height adjusting support arranged on the bed body and a foot supporting plate arranged on the height adjusting support; the medical treatment bed further comprises an anti-splashing type bearing structure which is arranged at the tail end of the bed tail of the bed body and used for bearing medical waste generated in the diagnosis and treatment process, and the anti-splashing type bearing structure comprises a main bearing vessel and a liquid collecting vessel which is arranged below the main bearing vessel and communicates with the bottom of the main bearing vessel. An anti-splashing structure is arranged in the main receiving vessel and used for preventing liquid falling into the main receiving vessel from splashing.

This invention provides an integrally molded tooling for a grain-carrying support. The tooling includes a braiding shaft with removable protrusions on its circumferential side. These protrusions are used to integrally form a mesh-like protrusion structure that matches the shape of the mesh-like groove structure when the support body is braided along the braiding shaft. After braiding, the protrusions can be removed from the mesh-like protrusion structure. The tooling also includes a braiding shaft for supporting the support body, a clamping assembly for fixing the support body relative to the braiding shaft, and a pressing groove member. The braiding shaft has a stamped groove, and the pressing groove member cooperates with the stamped groove. When the pressing groove member is embedded in the stamped groove, it causes the mesh-like protrusion structure to be pressed into the stamped groove, forming the mesh-like groove structure by turning inward toward the axis of the support body. Removing the tooling yields a grain-carrying support with an integrally formed mesh-like groove structure.

The application discloses a visual cleaning device for cleaning or medicine feeding of a human cavity such as a vagina or a rectum, which comprises a cleaning device shell, a cleaning assembly, a camera assembly and a flexible expansion assembly; the flexible expansion assembly comprises a plurality of flexible air bags arranged in a circumferential direction on a surface of an insertion end, and each flexible air bag is independently controlled by a control module, so that the flexible air bags are controllably contracted or expanded; on one hand, the flexible air bags in an expanded state are in flexible contact with an organ, so that the use comfort of the cleaning device is improved; on the other hand, the flexible air bags in a contracted state can form an avoiding space to avoid a wound surface; the camera assembly comprises a camera arranged at an end of the insertion end and is used for observing the inside of the cavity in real time. Through the cooperative design of the assemblies, the visual cleaning device realizes the functions of flexible expansion introduction of the cavity, visual accurate operation and selective wound surface avoiding, and mechanical damage to the human body is avoided, and the comfort of a patient is improved.

The utility model discloses an ankle joint fixing brace capable of adjusting binding position, which comprises a brace body, two sides of a foot part and two sides of a shank part of the brace body are respectively provided with a sliding groove, a plurality of sliding blocks are arranged in the sliding grooves in a matched and sliding mode, and the sliding blocks are connected with fixing bolts. The sliding block is locked and fixed on the brace body through a fixing plate, an open hole is formed in the fixing plate, and a fixing bolt penetrates through the open hole and is matched, locked and fixed with a nut; the fixing plate is further connected with a connecting buckle, the connecting buckle is provided with a fixing belt in a matched mode, the fixing belt is provided with a hook-and-loop fastener, and the fixing belt can be bound to the brace body in an attached mode through the hook-and-loop fastener. According to the fixing brace, the binding position of the fixing band of the brace can be flexibly adjusted, the fixing band is prevented from pressing a leg wound during binding, the brace can be used for fixing and binding, the wound can be protected from being injured by pressing, and the use function of the fixing brace is improved.

This invention relates to the field of medical device technology and discloses a hemostasis device and method for a hemodialysis room. The hemostasis device includes a strap and a connecting assembly. The connecting assembly includes a retainer and a retaining plate disposed at both ends of the strap. The retainer and retaining plate are detachably engaged to fix the strap to the patient's limb. An adhesive sheet is connected to the inner side of the strap near the retainer. The inner side of the strap of this invention is provided with a hemostatic airbag group, an inflation / deflation control mechanism, and at least two sets of pressure-reducing airbags. The hemostatic airbag group presses hemostatic cotton against the puncture point on the surface of the patient's limb to achieve hemostasis. The pressure-reducing airbags are distributed around the puncture point in the circumferential direction of the patient's limb. When one set of pressure-reducing airbags is inflated, the inflation / deflation control mechanism deflates another set of pressure-reducing airbags, thereby switching the position of the pressure-reducing airbags on the surface of the patient's limb and preventing one set of pressure-reducing airbags from pressing the same position on the surface of the patient's limb for a long time.

The novel bra provided by the utility model adopts a double-layer composite cup structure, the outer layer is made of an elastic mesh fabric, the inner layer is made of a skin-friendly fabric and extends upwards to form an extension part, and the extension part extends from the top of the cup to the heart-shaped position, so that the wrapping property of the breast is enhanced; the bearing system is composed of a side piece and a heightened gauze rear piece, the surface of the rear piece is provided with a supporting belt extending to the connecting position of a steel ring, and a vertically-arranged rubber band is used for improving the side receiving force; the adjustable widened shoulder straps are rigidly connected with the rear wings through the steel rings and are matched with the semi-surrounded U-shaped steel rings to form a three-dimensional supporting system; an ultra-thin traceless back buckle system is provided with three rows of adjusting buckle positions, and pressure distribution is optimized by combining the design that the width of the side edge is gradually changed. Through the composite bearing structure, the multi-point steel ring support and the ergonomic adjusting system, the double improvement of wearing comfort and bearing stability is realized, and the technical problems that the shoulder straps of the traditional bra slip off, the back tightening marks exist, and the supporting force is insufficient are particularly solved.

The invention relates to the technical field of cable protection, in particular to a cable protection sleeve. The protective sleeve comprises an inner layer, a middle layer and an outer layer, the middle layer comprises a first layer and a second layer, the first layer is fixedly connected with the inner layer, and the second layer is fixedly connected with the outer layer; the first layer is made of a glass fiber reinforced composite material, the second layer is of a grid framework structure made of a shape memory alloy material, the grid framework structure is embedded in the first layer, and inner grid spaces of the grid framework structure are filled with magnetorheological elastomers; the inner layer is a waterproof insulating layer sprayed on the first layer; the outer layer is made of a modified polyurethane material and is of a corrugated structure; the cable protection sleeve is provided with an opening structure, sealing parts are arranged on the two sides of the opening structure, the sealing parts on the two sides can abut against each other in a matched mode so that the installation cavity channel of the inner layer can be sealed and isolated from the outside, and the sealing parts are made of rubber materials. A plurality of rubber supporting rings are arranged on the inner wall face of the inner layer and protrude out of the inner wall face of the inner layer, and heat conduction grooves are formed in the rubber supporting rings.

The lower limb fixing device comprises a waistband, a fixing plate is arranged on the side face of the waistband, a fixing piece is arranged on the fixing plate, the side face of the fixing piece is detachably connected with a telescopic rod, the telescopic rod is sleeved with a limiting assembly, the end, away from the fixing piece, of the telescopic rod is connected with a foot supporting plate, and an elastic band is arranged on the foot supporting plate. According to the device, the limiting assembly is arranged on the telescopic rod, knee joints of the lower limbs are restrained, then the telescopic rod is fixed to the fixing plate, after the knee joints cannot move, the movement of the hip joints is restrained by combining the telescopic rod with the limiting assembly, and therefore the movement range of the lower limbs of a patient is restrained; the medicine placing catheter is used for preventing the inguinal indwelling from being pressed when the patient moves the lower limbs; compared with an existing lower limb protector, the lower limb protector can fix the lower limb well without arranging a bracket structure, and the risk of pressure sores caused by long-time contact between some components and the skin is reduced.

The utility model provides a kind of anti-falling culture stone wall system of sticking anchor integration, including wall base layer, thermal bonding layer and wall surface thermal insulation layer, culture stone bonding layer and culture stone layer that are sequentially arranged from inside to outside;Wall surface thermal insulation layer is connected with wall base layer by thermal fixing assembly;Thermal fixing assembly includes arrayed thermal nail;Thermal nail is anchored in wall base layer by penetrating wall surface thermal insulation layer, and the outer end of thermal nail is sequentially sleeved with fastening disc and rubber pad;Culture stone bonding layer is arranged on the outside of wall surface thermal insulation layer, and steel lath is laid in culture stone bonding layer;Steel lath is tied and connected on the outer end of thermal nail;The inner side of culture stone layer is embedded with fastening nail, and the nail body of fastening nail is inserted into culture stone bonding layer and forms mechanical engagement with steel lath.The utility model solves the technical problems that traditional culture stone construction has high risk of bonding failure, local bonding failure may cause large-area falling and quality is influenced by operator's responsibility and technical level.

The utility model discloses a baked food turn-over mechanism, which relates to the technical field of food processing and comprises a mechanism frame, the inner sides of the left wall and the right wall of the mechanism frame are rotatably connected with two clamping mechanisms which are bilaterally symmetrical, and the sides, close to each other, of the clamping mechanisms are fixedly connected with two clamping plates which are vertically symmetrically distributed. A second motor is fixedly connected to the position, close to a bottom boss, of the right side of the mechanism frame, a gear is fixedly connected to the output end of the second motor, and a gear ring is fixedly connected to the right side of the clamping mechanism located on the right side. According to the baked food turn-over mechanism, the first motor drives the first rotating disc and the second rotating disc to rotate reversely, so that the two clamping plates move reversely in the vertical direction, sliding between the sliding rods and the sliding rails is adopted in the process, the connecting precision between parts is reduced, and the baking efficiency is improved. Meanwhile, other parts are located on the outer side of the mechanism frame, and the service life is prevented from being affected by high-temperature baking.

The utility model belongs to the field of nasal feeding tube fixing device, especially a kind of digestive nursing nasal feeding tube fixing device. The technical includes face guard, the ear hanging of face guard top two sides is provided, face guard front side wall is provided with nose cover, and the first through slot of front and back intercommunication is established in nose cover bottom, at least one limiting pipe for wearing nasal feeding tube is arranged in first through slot, and limiting pipe is in first through slot Swing left and right. The utility model is provided with face guard and ear hanging, which is convenient to wear on the face of patient through ear hanging, and the structure of nose cover is also provided, which is convenient to make the nose of patient more comfortable, and the fixing effect can be improved to prevent direct falling off to a certain extent through the structure characteristics of nose, and the nasal feeding tube is fixed through the setting of limiting pipe, then the position of nasal feeding tube in nasal cavity is adjusted by left and right swing limiting pipe, to avoid the compression of nasal feeding tube to nasal cavity.

The utility model provides an adjustable oxygen uptake support for assisting ophthalmologic operation, which relates to the field of medical instruments and comprises a mounting seat, a metal hose and an oxygen supply component fixed on the metal hose. One end of the metal hose is fixed through the mounting base, the other end is a free end, and wire harness fixing buckles are evenly distributed on the metal hose and used for restraining and positioning the oxygen pipe. The wire harness fixing buckle is designed to be two symmetrically-arranged elastic clamping hooks, the gap between the two clamping hooks is smaller than the diameter of the oxygen pipe in the natural state, and it is guaranteed that the oxygen pipe is stable, does not move and is not pressed to be knotted. According to the adjustable oxygen inhalation device, the problem that the oxygen tube is pressed, twisted or knotted in an operation is effectively solved, and continuous and stable oxygen supply is guaranteed; meanwhile, the traditional face sticking type design is abandoned, and the oxygen inhalation device is supported by the flexible and adjustable metal hose, so that the skin irritation and discomfort of the patient are reduced, and the comfort and convenience during the operation period are improved.

The invention relates to the field of medical auxiliary instruments, in particular to a spinal endoscopic dura mater retraction device which comprises a puncture component, and the puncture component is used for percutaneous puncture to the position close to a spinal canal dura mater; a suspension part is arranged in the puncture part, and the suspension part is used for extending out of the puncture part and being connected with the cut edge of the dura mater. An operation part is further arranged on the puncture part, and the operation part is used for adjusting the retraction force applied to the dural mater by the suspension part; by controlling the operation part, the suspension part is fixed and retracts the dura mater to expose the spinal cord tissue. Through the integration of puncture, suspension and operation components, the traction of the dura mater under the minimally invasive condition of the spine endoscope is realized.

The utility model discloses a butterfly shape double mode oxygen uptake fixed face patch, include: butterfly shape face patch body, to be used to fit face profile, butterfly shape face patch body whole is butterfly wing spreading state, to cover the left and right cheek middle and lower part area of human face, oxygen uptake pipe fixed double channel, set up in butterfly shape face patch body left side inside, and whole is "L" shape, magic paste female fastener, sew up in the left and right two side edges of butterfly shape face patch body, be used to with the sub fastener cooperation of sunshade curtain and connect, it is the core connection structure of realizing sun protection function. Biological glue layer, cover in the back of butterfly shape face patch body, be used for with skin contact, sunshade curtain, with the upper half of human face matching, to cover eye, cheek upper part and nose bridge area, the left and right side edges of sunshade curtain sew up have magic paste sub fastener, magic paste sub fastener and magic paste female fastener cooperation is used. The utility model satisfies oxygen uptake fixed and ultraviolet protection demand, adapts to daytime outing scene.

This invention discloses an adjustable pressure dressing for drainage tube leakage, relating to the field of medical device technology. The dressing includes a main body with a central sponge channel and an adjustable pressure spiral plug structure. Through the steps of disinfecting the puncture site, covering and fixing the dressing, and adjusting the pressure according to the leakage situation, effective control of drainage tube leakage is achieved. This invention can provide personalized pressure support, reduce fluid leakage around the puncture site, lower the risk of infection, improve patient comfort, reduce nursing workload, and shorten the healing time of the puncture site, demonstrating significant clinical application value.