414 results about "Component fixation" patented technology

The invention provides an endoscopic positive negative pressure suction rotary-cut biopsy needle and a biopsy system.The biopsy needle comprises a far-end pipeline part and a near-end handheld part, the near-end handheld part comprises a near-end shell and a rotary-cut knife tube transmission assembly, and the near end of a rotary-cut knife tube is installed in the near-end shell through the rotary-cut knife tube transmission assembly; a negative pressure interface is formed in the near-end wall of the near-end shell; the rotary cutter tube transmission assembly comprises a circumferential rotation transmission mechanism and an axial movement transmission mechanism, the circumferential rotation transmission mechanism comprises a mandrel assembly and a rotating shaft sleeve which are located in the near-end shell, the rotary cutter tube is fixedly sleeved with the mandrel assembly, and the mandrel assembly is sleeved with the rotating shaft sleeve; the rotating shaft sleeve and the rotary cutter pipe are in dynamic sealing through a first dynamic sealing piece; the near end of the rotating shaft sleeve is fixedly and hermetically communicated with a rotating pipe; the rotating pipe is also hermetically communicated with the negative pressure interface through a second dynamic sealing piece; the rotating shaft sleeve is driven to rotate, so that the rotating shaft sleeve drives the mandrel assembly to rotate, and then the rotary cutter pipe is driven to rotate.

The invention relates to the technical field of medical instruments, in particular to a tendon suture auxiliary device which comprises a first clamping assembly and a second clamping assembly, the first clamping assembly and the second clamping assembly adopt the same structural design, the first clamping assembly comprises a lower clamping plate and an upper clamping plate, and fixing needles are fixedly arranged on the inner walls of the lower clamping plate and the upper clamping plate; a magnetic buckle protrusion is arranged on the outer wall of the upper clamping plate, a magnetic buckle groove corresponding to the magnetic buckle protrusion in position is fixedly formed in the outer wall of the lower clamping plate, the hinge is fixedly connected with a supporting arm, the supporting arm is movably sleeved with a threaded pull rod, the outer surface of the threaded pull rod is in threaded connection with a magnetic nut, and an arc-shaped handle is fixedly arranged on the outer wall of the upper clamping plate. The telescopic positioner is arranged on the inner wall of the pin sleeve in a sleeved mode, the distance between the first clamping assembly and the near-end tendon and the distance between the second clamping assembly and the far-end tendon are adjusted to be shortened through rotation of the magnetic attraction nut, and the telescopic positioner is arranged to limit the clamping assemblies to ensure good involution of the broken ends of the tendons.

The invention relates to an endoscope and an operating handle thereof. The operating handle comprises a handle shell, a fixing base and a soft tail assembly. The fixing seat is used for being fixedly connected with one end of the insertion tube, the fixing seat comprises a first fixing section and a second fixing section, the first fixing section extends into the handle shell and is rotationally connected with the handle shell, and a first matching structure and a second matching structure are arranged on the second fixing section; the soft tail assembly is provided with a first clamping structure and a second clamping structure, the first clamping structure and the first matching structure are clamped in the axial direction, the second clamping structure and the second matching structure are clamped in the radial direction, and therefore the soft tail assembly can drive the fixing base to rotate around the axis of the insertion pipe. When an European hand doctor operates, the bending direction of the bending part is made to be the same as the rotating direction of the operating rod, when an American hand doctor operates, the soft tail assembly is rotated by a certain degree, the soft tail assembly drives the insertion pipe to rotate by a certain degree through the fixing base, and therefore the bending direction of the bending part is made to be opposite to the rotating direction of the operating rod.

The invention discloses a suture anchor storing and implanting device and a split suture anchor implanting control system, and relates to the technical field of medical instruments. The storing and implanting device for the anchor with the suture line comprises a shell, the anchor, an anchor clamping assembly, the suture line, a winding and tensioning assembly and a fixing tail plug. The two ends of the shell are arranged in a through mode. The anchor clamping assembly can form a clamping cavity to clamp the anchor, and the anchor can break away from the clamping cavity when stressed. The suture line can be wound around the winding and tensioning assembly after penetrating through the anchor nail. An insertion channel is formed in the fixing tail plug, the fixing tail plug is inserted into the shell from one end of the shell, is in butt joint with the anchor clamping assembly and is fixed to the shell, the insertion channel communicates with the clamping cavity, the periphery of the fixing tail plug is sleeved with the winding tensioning assembly, the winding tensioning assembly is located between the fixing tail plug and the anchor clamping assembly, and the winding tensioning assembly can rotate relative to the fixing tail plug. According to the split type suture anchor implantation control system, the anchor and the suture are independently stored, and the inserter is repeatedly used.

A component including: a body having one or more surfaces with a contour formed to be substantially complementary to an anatomical surface of a specific patient; the body adapted to securably engage with a component-engaging part to form at least part of an implantable medical device, wherein: the one or more surfaces are substantially configured to evenly engage with the anatomical surface of the specific patient when the component is secured to the component-engaging part and the medical device implanted in the patient; and the body is at least in part manufactured by additive manufacturing.

The utility model discloses a hemodialysis catheter interface fixing structure which comprises a supporting plate and a plurality of fixing assemblies used for fixing a hemodialysis catheter, detachable bandage assemblies are arranged on the left side and the right side of the supporting plate, and the fixing assemblies are installed on the supporting plate through installation assemblies. The detachable bandage assembly comprises an installation groove formed in the front face of the supporting plate, the installation groove penetrates through the supporting plate front and back, an installation block is inserted into the installation groove, a middle rod is fixedly connected between the front face and the back face of the inner wall of the installation block, and the surface of the middle rod is sleeved with a bandage. According to the fixing structure for the connector of the hemodialysis catheter, the bandage is designed to be of a structure capable of being detached from the supporting plate, only the installation block needs to be inserted into the installation groove during installation, only the limiting block needs to be pressed during detachment, operation is convenient and rapid, and therefore the bandage can be replaced and cleaned after being polluted.

The invention belongs to the technical field of medical instruments, and discloses a full-suture anchor assembling device, a full-suture anchor implanting device and an assembling method.The full-suture anchor assembling device comprises a clamping piece and a guiding piece, the clamping piece is provided with a clamping groove for containing an anchor body, and the guiding piece is arranged at an opening of the clamping groove and comprises two oppositely-arranged clamping pieces; the guide piece can be inserted into the fixing groove, the two clamping pieces can be far away from each other to form a guide channel, the two ends of the guide channel are communicated with the clamping groove and the fixing groove respectively, and the nail body can be clamped in the fixing groove through the guide channel. The full-suture anchor implanting device comprises an implanting rod and an operation assembly, the implanting rod can be movably and detachably connected to the operation assembly along the axis of the implanting rod, the fixing groove is formed in the end, away from the operation assembly, of the implanting rod, and the two traction lines at the two ends of the anchor body are both connected to the operation assembly. According to the assembling method, the rivet body is not damaged in the assembling process of the full-suture rivet, and the full-suture rivet implanting device is repeatedly used.

The invention belongs to the technical field of medical treatment, and discloses an operating bed capable of automatically popping up a hand rest, which comprises an operating bed main body, and further comprises: a support assembly, which is mounted at the bottom of the operating bed main body; and the transmission assembly is mounted on the supporting assembly. The push rod assembly is pushed to pull the supporting rod and the bearing frame to move downwards, the hand placing frame assembly rotates by 180 degrees to be kept horizontal with the operating bed body, the arm of a patient can be supported through the hand placing frame assembly, after an operation is completed, the push rod assembly is pushed to drive the supporting rod and the bearing frame to move downwards, and the clamping pin is separated from the interior of the limiting groove; the hand rest assembly can be pushed, the butt joint rod and the supporting frame reversely rotate by 180 degrees, a second coil spring is compressed, the hand rest assembly can be fixed to the bottom of the operating bed body through a clamping pin, and therefore the hand rest assembly can be automatically popped out to be used conveniently, and the disassembly steps of the hand rest assembly are reduced.

The invention relates to the technical field of medical instruments, in particular to a gastrointestinal catheter fixator which comprises a sliding seat and a bonding assembly and further comprises a fixing assembly. The fixing assembly comprises a shell, a rotating ring, a push rod, driving seats, a clamping seat and a reset component, during use, the sliding seat and the shell are fixed to the limbs or trunk of a patient through the bonding assembly, then a gastrointestinal catheter penetrates through the shell, the push rod is pushed to move, the push rod drives the rotating ring to rotate, and the rotating ring drives the driving seats to rotate; due to the fact that the inclined face is arranged on the driving base, rotation of the driving base can drive the clamping bases to move, then the multiple clamping bases synchronously move and abut against the surface of the gastrointestinal catheter, and fixing of the gastrointestinal catheter is completed. Therefore, the gastrointestinal catheters with different specifications are fixed, and the applicability of the device is improved.

The invention discloses a hemostasis device for a radial artery puncture part after coronary angiography. The hemostasis device comprises a fixing assembly, a fixing sleeve, a rotating ring and a pressing head. The fixing sleeve is arranged outside the fixing assembly in a sleeving mode, the fixing sleeve and the fixing assembly are connected through the large spring, the lower end of the fixing assembly is movably connected with the rotating ring, the pressing head is arranged in the rotating ring in a sleeving mode, and the pressing head is arranged in the fixing assembly in a sleeving mode. The pressing head can be detachably fixed through the arranged fixing assembly, one-key fixing can be achieved only by directly pulling the fixing sleeve in the fixing process, fixing is rapid and convenient, meanwhile, the fixing head is made into a detachable form, the pressing head can be installed in the using process, the pressing head can be replaced due to the detachable installation arrangement, and the pressing head is convenient to use. The risk caused by cross infection can be effectively reduced, and meanwhile materials can be saved to a great extent.

The upper limb massage device comprises a fixing assembly and a pressing assembly, the fixing assembly comprises an annular shell, an annular part controlled by a driver to rotate is arranged in the annular shell, the annular part comprises a rotating gear and a circular ring, the circular ring is arranged on the inner wall of the rotating gear, and a plurality of pressing protrusions are arranged on the inner wall of the circular ring; the pressing assembly is arranged in the annular shell and used for pressing acupuncture points; when the annular part rotates, the pressing protrusion can press the pressing plate to enable the pressing assembly to move towards the center of the annular shell. The device can accurately press the corresponding acupuncture points on the arm.

The invention discloses a fixer for a gynecological tumor source applicator, and belongs to gynecological radiotherapy equipment. Comprising a fixing assembly, a first limiting assembly and a second limiting assembly. The fixing assembly comprises a fixing band and airbags, two ends of the fixing band can be bonded, and the airbags are symmetrically arranged on the inner side of the fixing band; the first limiting assembly comprises ball seats, a limiting rod, a connecting rod and an elastic limiting pad, the two ends of the limiting rod are connected with the ball seats, the ball seats are connected with the fixing band, the connecting rod is arranged on the ball seats in a swinging mode and is perpendicular to the limiting rod, and the bottom of the connecting rod is connected with the elastic limiting pad; the second limiting assembly comprises a guide rod and a limiting support, the guide rod penetrates through the connecting rod and is connected with the fixing belt, the limiting support is in damping sliding connection with the guide rod, and the limiting support is used for limiting the elastic limiting pad. The fixing belt and the air bag are matched with each other, so that the fixator can be stably fixed to the hipbone position of a patient, and the elastic limiting pad has a limiting effect on the rod body at the tail of the source applicator.

An apparatus includes a fixation portion configured to be affixed to a bone surface within a recipient's body. The apparatus further includes a mounting portion connected to the fixation portion, the mounting portion configured to hold a component within the recipient's body. The mounting portion includes a collar configured to extend at least partially around the component and a reservoir configured to receive an adhesive material within a predetermined volume at least partially bounded by an inner surface of the collar and an outer surface of the component.

The utility model provides an orthopedic external fixing device and a clamping device and a fixing needle used for the orthopedic external fixing device. The clamping device comprises a fixing plate and a clamping assembly. The fixing plate is provided with a through hole for the fixing needle to penetrate through, and the diameter of the through hole is larger than that of the fixing needle. A first clamping plate and a second clamping plate of the clamping assembly are arranged on the two sides of a fixing plate in the thickness direction respectively and used for being installed on a fixing needle, and the first clamping plate and the second clamping plate abut against the end faces of the two sides of the fixing plate respectively so as to limit movement of the fixing plate in the axial direction of the fixing needle. Friction force between the two clamping plates and the fixing plate can further limit movement of the fixing plate in the radial direction of the fixing needle, and therefore indirect connection between the fixing needle and the fixing plate is achieved. In the whole connecting process, the fixing needle can not make any direct contact with the fixing plate, the fixing needle can penetrate through the fixing plate at various angles, the requirement for the positioning precision of the fixing needle is lowered, the operation difficulty of a doctor is lowered, and the universality of the external fixing device for the orthopedics department is improved.

This invention relates to the field of implant bridging technology, specifically to a bridging-type implant superstructure restoration. It includes a support layer structure, which is fixed to the jawbone by a plurality of implant screws rotatably mounted below it. A plurality of crowns are mounted above the support layer structure, with the support layer structure positioned between the crowns and the jawbone. The support layer structure absorbs part of the occlusal impact force generated by the crowns from top to bottom. Fixing components are disposed inside the crowns, securing them above the support layer structure. The fixing components are coaxially arranged with the implant screws. The support layer structure, through the fixing components, restricts the installation orientation of the crowns, ensuring that the crown axis remains parallel to the jawbone surface. The lower and upper clamps of this invention are fixedly connected by two staggered support rods. When the lower and upper clamps approach each other, they compress the two support rods, causing lateral deformation and absorbing the occlusal impact force.

The present application belongs to the field of medical devices, and relates to an ablation needle positioning support, comprising a support body, a limiting component and a support leg component. The limiting component is fixed to the support body and is used for limiting the movement of the ablation needle in a preset direction; the support leg component comprises a plurality of support legs mounted on the support body, and at least part of the support legs are movably connected with the support body so as to be able to adjust the relative position and / or angle with the support body. The support body of the present application establishes support on the surface of the human body, and at least part of the support legs are movably connected with the support body, so that the adaptation of the skin curve at different positions of the human body can be realized. The limiting component can establish the limitation on the ablation needle, limit the movable direction of the ablation needle, and significantly reduce the difficulty of keeping the ablation needle stable after puncture.

The invention discloses a catheter sheath for cardiac surgery and a using method thereof.The catheter sheath for cardiac surgery is used for feeding in a cardiac surgery electrode wire and is provided with a catheter sheath assembly, the catheter sheath assembly is formed by combining two symmetrically-arranged catheter bases, and the catheter sheath is connected to the lower portion of the spliced catheter base assembly. The catheter sheath assembly, the fixing assembly and the expansion tube are installed, sealing is achieved when the catheter sheath assembly is inserted into a patient body through cooperation of the catheter sheath assembly and the expansion tube, blood is prevented from flowing out, and meanwhile the two separated catheter sheaths abut against the lower closing valves on the outer sides respectively when the catheter sheaths are stripped through the fixing assembly; the position of the opening is limited, the abutting position is the connecting position of the two lower closing flaps, the lower closing flaps cannot be expanded, in this way, the catheter sheath can be withdrawn conveniently, the situation that the expansion tube rebounds is avoided, it is guaranteed that insertion of the catheter sheath cannot be affected when the connecting rod is installed through the damping mechanism, and operation is convenient and fast.

The present invention discloses a compression hemostasis device after renal puncture, comprising a bracket, a one-way timing and power storage component, an automatic timing control component, a tension limiting component, an opposing tension component and a compression component, wherein the one-way timing and power storage component is arranged on the bracket, the automatic timing control component is fixedly arranged on the bracket, the tension limiting component is fixedly arranged on the side wall of the bracket, the opposing tension component is slidably arranged on the bottom end of the side wall of the bracket, and the compression component is arranged on the bracket. The present invention belongs to the technical field of medical devices for renal puncture, and specifically refers to a compression hemostasis device after renal puncture; the present invention is provided with a one-way timing and power storage component, an automatic timing control component and a tension limiting component, which solves the problem that the compression hemostasis device after renal puncture on the market currently cannot automatically and accurately control the compression time.

The utility model provides a trachea cannula fixing structure, which relates to the technical field of trachea cannula fixing and comprises a fixing plate, an open slot formed in the middle of the fixing plate, connectors mounted on two sides of the outer end of the fixing plate and a fixing component arranged in the open slot. The fixing assembly comprises a left fixing clamping block, a right fixing clamping block, a movable rod, an L-shaped pull block, a limiting groove, a through hole, a pressing block, a spring and a locking assembly arranged on the outer side of the open groove. According to the trachea cannula fixing structure, the fixing assembly can clamp and fix the trachea cannula, the trachea cannula is fixed in the open groove, the problem that the trachea cannula is prone to loosening when bound with a rope traditionally is solved, the trachea cannula is clamped and fixed, and it is ensured that the trachea cannula is stably used; the movable rod and the opening groove can be locked and fixed through the locking assembly, the situation that the left fixing clamping block and the right fixing clamping block push the movable rod to move due to the fact that the trachea cannula is pulled is avoided, and the trachea cannula is prevented from loosening.

The auxiliary fixing device comprises a supporting frame, a two-way threaded rod is rotationally installed on the inner wall of the supporting frame, guide rods are arranged at the two ends of the two-way threaded rod, and the guide rods are fixedly installed on the inner wall of the supporting frame; the two-way threaded rod rotationally penetrates through the supporting frame and is fixedly connected with an output shaft of a motor, the motor is fixedly installed on the surface of the supporting frame, the outer sides of the two ends of the two-way threaded rod are sleeved with adjusting blocks in a threaded mode correspondingly, the adjusting blocks slidably sleeve the outer sides of the guide rods correspondingly, and sliding grooves are formed in the two sides of the supporting frame correspondingly; one end of the adjusting block is fixedly connected with the fixing bandage, the other end of the adjusting block is fixedly connected with the locking assembly through the connecting plate, and the locking assembly is used for fixing the fixing bandage. The problems that in the prior art, fixation is not firm, adjustment cannot be achieved, comfort is poor, and observation is inconvenient are solved.

The utility model relates to the field of nursing materials, and discloses a novel adjustable medical supporting belt which comprises an elastic belt, an adjusting assembly is arranged on the outer wall of the elastic belt and comprises a T-shaped block, the front end of the T-shaped block is fixedly connected to the rear end of the elastic belt, the outer wall of the elastic belt is connected with a fixing plate in a sleeved mode, and the fixing plate is fixedly connected with the T-shaped block. A supporting block is installed at the front end of the fixing plate, a fixing assembly is arranged at the right end of the elastic band and comprises a rotating plate, the bottom end of the rotating plate is hinged to the position, close to the right end, of the bottom end of the elastic band, a rubber strip is fixedly connected to the front end of the rotating plate, the fixing assembly further comprises a fixing block, and the bottom end of the fixing block is fixedly connected to the top end of the elastic band. According to the utility model, the length of the extending part of the elastic band can be adjusted by adjusting the different T-shaped blocks to be clamped into the T-shaped grooves, meanwhile, the stacked elastic band can be put into the storage groove to complete storage, and the elastic band storage device can adapt to different users by adjusting the length of the extending part of the elastic band.

The utility model relates to the technical field of medical instruments, in particular to an auxiliary fixing device for mammary gland minimally invasive postoperative nursing, which comprises two groups of fixing covers which are connected with each other, two groups of fixing components are symmetrically arranged on two sides of each fixing cover, the fixing covers are fixed on limbs of a patient through the fixing components, and the fixing covers are fixed on the limbs of the patient through the fixing components. An extrusion assembly is arranged in each fixing cover; the fixing assemblies are arranged on the two sides of the fixing cover, the rotating rods are continuously driven by restoring force of torsion springs in the fixing assemblies to reset and rotate in the fixing seats, and clamping blocks on the fixing plates are clamped with clamping grooves at a time, so that the fixing cover is worn on limbs of patients of different body types, and the patients can wear the fixing cover more conveniently and rapidly; and during use, the fixing cover is not easy to slide and slide down, so that the normal working activity of the fixing cover is not influenced.

The utility model relates to the technical field of medical instruments, in particular to a physical therapy device for knee rheumatism bone diseases, which comprises a kneecap body, the kneecap body comprises a kneecap shell, fixing components are fixedly mounted on two sides of the inner wall of the kneecap shell, each fixing component comprises a fixing block, and the fixing blocks are fixedly connected with the inner walls of two sides of the kneecap shell. A cross-shaped sliding groove is formed in the middle of the kneecap shell, a supporting plate is movably installed in a cavity of the cross-shaped sliding groove, protruding strips are arranged on the upper surface and the lower surface of the supporting plate in a cross-shaped mode, the protruding strips are matched with the cross-shaped sliding groove in size, a replacement assembly is detachably installed at the bottom of the supporting plate and comprises a rubber plate, and the rubber plate and the supporting plate are detachably installed. A massage head is movably mounted at the bottom of the rubber plate. The protruding strips on the upper surface and the lower surface of the supporting plate are matched with the cross-shaped sliding grooves in size, stability and accuracy of the supporting plate in the moving process are guaranteed, and the massage heads can be designed into various shapes so as to meet massage requirements of different users.

The utility model relates to the technical field of medical instruments, in particular to a neuroendoscopic abrasive drill with a water injection pipe fixing device, which comprises a handle component, an outer sleeve rod, an abrasive drill, a guide seat and a water injection joint, and the guide seat and the water injection joint are arranged at the front end of the outer sleeve rod. A fixing device is arranged on the outer sleeve rod and comprises a hoop fixedly arranged on the outer sleeve rod in a sleeving mode and a fixing assembly installed on the hoop. The fixing assembly comprises an outer shell, a fixed inner sleeve, a movable sleeve and a nut, the fixed inner sleeve is provided with a center channel for the water injection pipe to penetrate through, elastic grabbing clamps which are annularly and evenly distributed are arranged at one end of the fixed inner sleeve, the movable sleeve is slidably arranged on the fixed inner sleeve in a sleeving mode, and the nut is in threaded connection with the fixed inner sleeve. The nut is screwed to push the movable sleeve to axially move and extrude the elastic gripper, so that the elastic gripper is forced to radially contract, and the water injection pipe is firmly clamped. Adhesive tape is replaced by a mechanical buckle type structure, so that an external water injection pipe is quickly and reliably clamped and released, displacement or falling of a pipeline in an operation is avoided, and the flushing effect and the operation safety are guaranteed.

The utility model relates to the technical field of medical instruments, and discloses a mask-adjustable net type atomizer which comprises an atomizer and a mask, two through holes are formed in the side wall of one side of the mask, head bands are arranged in the through holes, and the side wall of the mask on one side of one through hole is fixedly connected with a fixing assembly. And one end of the head band penetrates through the fixing assembly. According to the utility model, through the arrangement of the fixing assembly, when the head band is used, one end of the head band firstly passes through one through hole, then the other end of the head band is knotted, and then one end of the head band passes through the other through hole and the fixing assembly, so that the head band is fixed by the fixing assembly, and the other end of the head band is blocked by the knotted part; if the head band is too large or too small, the head band can be loosened through the fixing assembly, the head band can be pulled to adjust the size, and convenience and rapidness are achieved.

The utility model relates to the field of medical instruments, in particular to a fixing device for a central venous catheter, which comprises a fixing band and a fixing component, the fixing component is arranged on the surface of the fixing band, the fixing component is used for detachably connecting two sides of the fixing band to form a closed ring, and the fixing device further comprises a reinforcing band, one end of the reinforcing belt is connected with the front face of the fixing belt, the other end of the reinforcing belt is detachably connected with the front face of the fixing belt, and the fixing belt and the reinforcing belt are made of soft materials. The fixing band is fixed to the proper position of the arm of a patient through the fixing assembly, then the central venous catheter can be inserted into the corresponding position of the arm and located in the groove, the central venous catheter is preliminarily fixed through the C-shaped pipeline clamp in advance, and then the central venous catheter is secondarily fixed through connection of the reinforcing band and the fixing band. In the process, fixation is stable, and meanwhile adverse effects on a patient cannot be caused.

The utility model discloses an indwelling needle fixing device, and belongs to the technical field of medical instruments. Comprising a fixing assembly, the fixing assembly comprises an omni-directional fixing part and a supporting part, the omni-directional fixing part comprises a binding pressure belt capable of winding an indwelling needle, and the supporting part comprises a limiting strip capable of supporting the bottom end of a needle head part. An abutting rod is pulled so that the abutting rod can drive a binding pressure belt to move until the binding pressure belt is wound around the wrist of the patient, the abutting rod after winding and fixing is clamped in a positioning plate, and at the moment, the abutting rod extrudes a limiting strip, so that the limiting strip moves to the bottom end of a needle head part pushing plate to support a needle head part; at the moment, the remaining needle main body receives the winding pressure of the binding pressure belt and also has the synchronous effect of supporting force which keeps balance together with the pressure, so that the remaining needle can be fixed in all directions, and the remaining needle is prevented from loosening.

The utility model discloses a medical oncology drainage tube fixing patch which comprises a fixing assembly, a fixing component and a fixing component, and the fixing assembly comprises a medical bottom film; the limiting assembly comprises a connecting frame, a limiting groove, a threaded rod, a limiting frame and a bearing; the connecting frame is installed on the upper surface of the medical bottom film, the limiting grooves in each group are formed in the two sides of the outer surface of the connecting frame, the threaded rod penetrates through the outer surface of the connecting frame, the limiting frame is connected to the lower surface of the threaded rod, the bearing is installed at the lower end of the outer surface of the threaded rod, and one side of the outer surface of the limiting frame is fixedly connected with a first connecting plate. A first spring is fixed to one end of the outer surface of the first connecting plate, a first pressing plate is fixed to the lower surface of the first spring, and a second connecting plate is fixedly connected to the other side of the outer surface of the limiting frame. The drainage tube fixing device has the advantages that the drainage tube can be flexibly fixed according to the thickness of the drainage tube, the stable position of the drainage tube in the body of a patient is ensured, and the risk of complications caused by displacement or falling of the drainage tube is reduced.

The utility model relates to the technical field of PICC (Peripherally Inserted Central Catheter) protection, in particular to a PICC outer fixing sleeve, which comprises a fixing band and a fixing component, the fixing assembly comprises an isolation belt, a binding belt, a protection belt, a mother buckle, a first son buckle, a second son buckle and a third son buckle, the isolation belt is connected with the fixing belt, the binding belt is connected with the fixing belt, the protection belt is connected with the fixing belt, the mother buckle is connected with the fixing belt, the first son buckle is connected with the isolation belt, the second son buckle is connected with the binding belt, and the third son buckle is connected with the protection belt. The fixing band and the isolation band are arranged on the arm of a patient in a sleeving mode, then the catheter penetrates through the isolation band to be connected with the patient, the catheter connector is located on the outer side of the isolation band, then the isolation band is wrapped by the bandage, and finally the third son buckle on the protection band is connected with the mother buckle at the proper position, so that the protection band is wrapped by the bandage. The bandage is prevented from being separated from the fixing band, and the fixing effect is improved.

The invention relates to the technical field of medical instruments, and discloses a leg fixing device and a fixing method thereof.The leg fixing device comprises a clamping mechanism, a universal connecting assembly and a fixing assembly; the clamping mechanism is clamped at the knee of the leg, the clamping mechanism is connected with the fixing assembly through the universal connecting assembly so that the clamping mechanism can be clamped at different positions, and the fixing assembly is fixed to a treatment bed; the clamping mechanism comprises a first clamp, a second clamp and a sliding rail; the first clamp and the second clamp are oppositely arranged and are in sliding connection with the sliding rail so that the first clamp and the second clamp can get close to each other or get away from each other, the knee is clamped through the first clamp and the second clamp, the first clamp and the second clamp are fixed to a treatment bed through the fixing assembly, and therefore the knee is fixed. The technical problem that in the prior art, the surgical leg shakes, consequently, punching is inaccurate, and the surgical effect is affected is solved, and the technical effects that the surgical leg is firmly fixed, and drilling is accurate are achieved.