230 results about "Tube placement" patented technology

The invention provides a tee joint cold-pushing one-time forming device and a tee joint cold-pushing one-time forming process, and belongs to the technical field of three-pushing pipes. A three-way rack; the three-way cold pushing table is arranged at the upper end of the three-way rack; the three-way pipe placing groove is formed in the upper end of the three-way cold pushing table; the three-way forming groove is formed in the lower inner wall of the three-way pipe placing groove; the number of the hydraulic fixing devices is two, and each hydraulic fixing device comprises a clamping pressurizing block, a three-way pipe hydraulic clamping block, a three-way pipe fixing ring, a first oil groove, a front pushing block, a hydraulic oil connecting groove, a second oil groove, an oil groove partition plate, an oil groove communicating hole, a clamping inserting rod, an oil groove plugging block, a sliding-in sleeve and a sealing ring; the linearity and synchronism of the clamping action are effectively guaranteed, and deviation or clamping stagnation in the clamping process is prevented.

An everting balloon system is disclosed that can be used for the placement of an IUD within the uterine cavity of a female patient. The everting balloon system with IUD can be used to access a uterine cavity at specific locations in the fundus. A one-handed IUD delivery system for placement with an everting catheter is disclosed. An IUD loading system for placement within an everting catheter is disclosed. The everting catheter with an IUD can simplify the process of IUD placement within the uterine cavity.

Embodiments of the present disclosure relate to a manual device or an applicator for donning an elastic garment by a wearer. The device comprises at least one tube including a lengthwise slit to form a penannular cuff. The device further includes at least one strap. Further, when the at least one tube is placed in a leg hole of the elastic garment, said garment applies an inward force on said tube. The device may be operated by a wearer who places his limb in said tube to don the elastic garment.

The invention discloses a support for preventing rectum anastomotic leakage in the technical field of medical instruments, which comprises a support body, a fixing component and a navigation component are fixedly connected to the support body, and a drug sustained release component is embedded in the inner wall of the support body. The size of the stent can be reduced in the implantation stage so that the stent can be conveniently placed through a sheathing canal, and meanwhile the stent has the characteristics of accurate positioning, stable supporting, healing assisting and degradability, so that the risk of anastomotic leakage is effectively reduced, and the pain of a patient and the operation cost are reduced.

The invention discloses a lumbar drainage tube decompression secondary fixing device, which belongs to the field of medical drainage devices, is used for drainage, and comprises a gasket, a plurality of gasket mounting holes are distributed on the gasket, a plurality of guide seats are arranged on the top surface of the gasket along a fixing path of a lumbar drainage tube, and the guide seats are inserted into the gasket mounting holes. A placing groove for placing and limiting a lumbar drainage tube is formed in the guide seat, a plurality of dressing connecting seats are inserted into the gasket mounting hole in the bottom surface of the gasket, dressing clamping jaws are arranged on the dressing connecting seats, the dressing connecting seats are connected with dressing through the dressing clamping jaws, and the dressing is located between the human skin and the gasket. According to the lumbar drainage tube fixing device, secondary fixing of the lumbar drainage tube can be achieved, the lumbar drainage tube is prevented from being pressed under the action of external force, the fixing effect and quality are improved, and the flexibility of setting a path for the lumbar drainage tube is improved.

The utility model relates to a connecting pipe inner wall deburring device which comprises a machine frame, a protective cover is fixedly connected to the top of the machine frame, a stabilizing assembly is arranged at the top of the protective cover, a transmission assembly is arranged in the machine frame, and a polishing assembly is arranged on the right side of the machine frame. The grinding assembly comprises a fixing frame arranged on the right side of the rack, a connecting plate is fixedly connected to the top of the fixing frame, and a first electric push rod is fixedly connected to the right side of the connecting plate. According to the deburring device for the inner wall of the connecting pipe, the connecting pipe is placed at the top of a movable roller, a second electric push rod is started to drive a stabilizing plate and a stabilizing wheel to move downwards so that the connecting pipe can be more stable, a first motor is started to drive a polishing brush to rotate, and a first electric push rod is started to drive a movable frame and the polishing brush to move towards the interior of the connecting pipe; and meanwhile, by means of the design of the protective cover, spark, chippings and other harmful substances generated in the grinding process are effectively isolated, and operators are protected against injuries.

The utility model relates to the technical field of medical equipment, and discloses a suction tube placing rack which comprises a universal assembly, a connecting seat, a rotating groove formed in the connecting seat, a universal ball arranged in the rotating groove and a positioning part arranged on the connecting seat. The fixing assembly comprises a fixing plate fixedly connected with the universal ball, and a clamping part is arranged on the fixing plate; an annular frame is arranged at the end, away from the fixing plate, of the connecting base. The device has the advantages that the device can be fixed to many objects in a hospital through the clamping component and the containing frame and is suitable for the vast majority of environments, the position of the annular frame is adjusted through the universal assembly, the annular frame is made to be in the horizontal direction all the time, and the suction tube containing requirement is met.

The utility model relates to the technical field of square tube installation, in particular to a multifunctional square tube limiting assembly. According to the technical scheme, the fixing device comprises a main body installation matching seat, the front side and the rear side of the main body installation matching seat are of inclined face structures inclining downwards, a main body installation containing matching groove with a downward opening is formed in the lower end of the main body installation matching seat, and an integrally-formed reinforcing limiting matching column is arranged at the upper end of the right side of the main body installation matching seat; the left side of the main body mounting matching seat is provided with a square tube placing matching groove which completely penetrates through the whole vertical direction, and the connection position of the left side of the reinforcing limiting matching column and the main body mounting matching seat is provided with an arc-shaped avoiding safety matching groove with a leftward opening. The utility model has the advantages that the processing operation during construction can be ensured to be more convenient, the matching strength of the connecting position is higher, and the positioning structure is arranged at the right side position, so that the installation convenience during overall matching can be effectively improved, and the overall matching strength can be effectively improved.

The invention discloses an opening pipe placing device for a plastic film sealing beverage cup. The opening pipe placing device comprises a straw conveying device, an upper guide pipe, a lower guide pipe, a top claw mechanism, a breaking mechanism and a shearing mechanism. The upper guide pipe and the lower guide pipe are aligned up and down; the opening breaking mechanism comprises an opening breaking petal capable of being opened and closed, a lower pointed cone is formed at a lower pipe opening of the lower guide pipe when the opening breaking petal is closed, and the pipe opening is opened when the opening breaking petal is opened; the shearing mechanism is located between the two guide pipes and comprises at least two shearing blades, and the shearing blades shear the suction pipe and block the lower pipe opening of the guide pipe when folded and open the pipe opening when separated. The top claw mechanism comprises a top claw, a first linkage mechanism and a second linkage mechanism, when the top claw is pushed in an abutting mode, the first linkage mechanism drives the breaking petals to be opened, and the second linkage mechanism drives the shearing blades to be opened. When the shearing blade is opened, the suction pipe conveying device drives the suction pipe to move downwards in the two guide pipes. According to the invention, automatic tube placement of plastic film sealed beverages can be realized, and penetration can be ensured.

Multi-hose arrangement (1) having an outer hose (2) and at least one inner hose (3, 3a) disposed in the outer hose (2), and at least one coupling end (4) to which the outer hose (2) and the at least one inner hose (3, 3a) are attached. The at least one coupling end (4) has a flow opening (5) for the outer hose (2), in which flow opening (5) is disposed a receptacle (6) for the at least one inner hose (3, 3a), and this receptacle encompasses the at least one inner hose (3, 3a) on less than a full circumference of the at least one inner hose (3, 3a).

The utility model relates to the technical field of skin care product packaging, and discloses a skin care product tube which is characterized in that a cover body is connected with a pushing plate and a rubber ring mounted on the peripheral wall of the pushing plate, so that paste skin care products (hand cream or hand gel and the like) remaining in an output hole are synchronously pushed back into the tube body when the cover body is assembled on a connecting tube; meanwhile, the inner diameter of the output hole is set to be big-end-up, and a locking groove used for positioning the pushing plate is formed in the end, close to the pipe body, of the inner wall of the output hole, so that the effect of positioning the cover body relative to the pipe body is achieved, and when the skin care product pipe is placed in a handbag, looseness between the cover body and the pipe body can be effectively avoided; therefore, the skin care product in the tube body is prevented from leaking; in addition, the pushing plate is detachably mounted relative to the cover body, so that the pushing plate can be regularly cleaned conveniently, and the cleanness of the internal environment of the pipe body is ensured.

A method of manufacturing a medical device includes forming a drainage conduit for removing fluids from a patient and forming one or more flexible delivery conduits for delivering medication. The delivery conduits are attached to and detachably disposed in channels on an exterior surface of the drainage conduit, each being substantially flush with the surface and peelable at one or both ends. The channels may partially surround the delivery conduits and include lips or friction features for retention. The method may include forming multiple channels, permanently attaching portions of the delivery conduits, and providing drainage holes along a length of the drainage conduit. Additional features may include attaching luer locks to the delivery conduits, constructing the conduits from flexible materials, and fabricating components via extrusion. Optional design variations include concentric delivery conduit placement, non-circular cross-sections, and threading to enable suturing or attachment to other medical components or devices.

According to the bead tube machining device and method, a plurality of material tubes are placed on a first fixing base and a second fixing base assembly, one end of each material tube is located on the first fixing base, the other end of each material tube is located on the second fixing base assembly, and a tube cutting assembly can cut all the material tubes at the same time, so that tube beads are obtained. Therefore, safety accidents caused by manual cutting can be avoided, the labor intensity of operators is reduced, and the processing and production efficiency of bead tubes is improved. The bead tubes can be moved manually or by other mechanical structures, so that bead tubes with different lengths can be processed and produced according to requirements.

The application relates to the field of heating pipe processing, and provides a tube needle stamping equipment for a heating pipe, which is applied to the installation of a tube needle and a terminal pin of the heating pipe, the tube needle penetrating through the terminal pin; the stamping equipment comprises a rack, a placing piece, a stamping piece and an abutting piece; the placing piece is installed on the rack, and a placing groove for placing the heating pipe and the needle tube is arranged on the placing piece; the abutting piece is installed on the rack, the tube needle extends to the abutting piece through the placing groove, and the terminal pin is clamped with the abutting piece; the stamping piece is installed on the rack and located above the abutting piece; the stamping piece drives a stamping end to stamp the terminal pin, and the terminal pin is pressed by the stamping end and the abutting piece on the tube needle. The application has the effect of preventing the terminal pin from separating from the tube needle.

The invention belongs to the technical field of medical instruments, and relates to an abdominal cavity puncture assembly for V-P shunt real-time image guidance. The puncture kit provided by the invention comprises an image guiding assembly and a puncture assembly. The image guiding assembly comprises a display and a transmission line and is used for transmitting image information; the puncture assembly is composed of an inner sleeve core and an outer sleeve, a light source and a camera are arranged at the tail end of the inner sleeve core, abdominal cavity images can be collected in real time, and the outer sleeve is formed by oppositely connecting a first sleeve and a second sleeve and provided with a thorn tip and a tube containing hole. When in use, the inner sleeve core is inserted into the outer sleeve, the handle is held by hand to puncture, the shunt tube is inserted and placed in place under the guidance of an image, and finally, the fixator is taken down, and the outer sleeve is pulled out. According to the kit, a minimally invasive incision (about 1cm) can be realized, accurate puncture and placement of the shunt tube can be realized under the guidance of an image, the shunt tube is ensured to be in place, smooth drainage is ensured, and the outer sleeve can be detached and pulled out under the condition that the shunt tube is not moved.

The utility model relates to the field of medical needle tubes, and discloses a manual needle arranging and aligning device suitable for a large length range, the manual needle arranging and aligning device comprises a machine table, a fixing plate, a needle pressing mechanism for pressing and fixing needle tubes and an ejector pin mechanism, the ejector pin mechanism comprises an ejector pin plate and a needle placing mechanism for placing the needle tubes, and the needle placing mechanism comprises a first needle placing strip and a second needle placing strip; the first needle placing strip is parallel to the second needle placing strip, the ejector plate is parallel to the first needle placing strip, the second needle placing strip and the ejector plate are located on the two sides of the first needle placing strip respectively, and the first needle placing strip and the second needle placing strip can be used for placing longer needle tubes and aligning the needle tubes. According to the needle supporting device, the existing needle tube with the length of 4-8 cm can be supported to be horizontally placed, meanwhile, it can be guaranteed that the non-standard needle tube with the length of 20-38 cm can be supported to be horizontally placed, the needle tube is manually aligned to the ejector plate, and the applicability is improved.

The utility model discloses auxiliary explosive charging equipment for mining, which belongs to the technical field of auxiliary explosive charging for mining, aims at solving the problem that an explosive tube on the inner wall of an explosive charging tube is inconvenient to position, and comprises the explosive charging tube and a rotating disc, a movable rod is movably arranged at the center of the top end of the explosive charging tube, and a pressing piece is fixed at the top end of the movable rod. An extrusion part is fixed to the center of the bottom end of the movable rod, movable grooves are circumferentially formed in the inner wall of the charging pipe, clamping mechanisms are arranged on the inner walls of the movable grooves, connecting parts are slidably mounted on the inner walls of the movable grooves, the clamping mechanisms comprise a plurality of mounting grooves, and the mounting grooves are formed in the inner walls of the movable grooves in parallel; extrusion springs are mounted on the inner walls of the mounting grooves; the clamping mechanism, the mounting groove, the extrusion spring, the movable block, the connecting column and the extrusion block are matched to work, so that the medicine tube can be clamped, and the situation that the medicine tube is not placed at a medicine pre-buried position due to the fact that the medicine tube is unstable and is separated when placed can be avoided.

The utility model provides an intervention conveying device, and belongs to the technical field of medical machinery. Comprising a supporting seat, a limiting rod is inserted into the supporting seat, and a fixing seat, a clamping plate and a sponge block are slidably connected into the supporting seat. By arranging the extrusion spring telescopic rod, the clamping plates are moved by extruding the spring telescopic rod, then a main body pipe is placed between the two clamping plates, the two clamping plates clamp and fix the main body pipe by releasing pressure through the spring telescopic rod, the limiting rod is separated from the supporting seat and the fixing seat, and then the fixing seat slides up and down, so that the main body pipe is fixed. After the fixed seat and the main body pipe are adjusted to the proper height, a limiting rod penetrates through a supporting seat and the fixed seat, so that the fixed seat and the main body pipe are fixed, a positioning rod is separated from a disc, then the supporting seat is rotated, and after the supporting seat and the main body pipe are rotated to the proper angle, the fixed seat and the main body pipe are fixed; a positioning rod penetrates through the supporting base and the disc to fix the supporting base and the main body pipe.

The utility model provides a cryopreservation box which comprises a shell and a baffle, and the baffle is arranged in the shell and divides the interior of the shell into different layers from bottom to top. A notch is formed in the baffle plate; the gaps are used for communicating different layers to form a flow channel; a low-temperature cooling object is placed in the flow channel and can flow in the flow channel; cryopreservation tube placing holes are formed in the shell and the baffle, and the cryopreservation tube placing holes in the shell correspond to the cryopreservation tube placing holes in the baffle in a one-to-one mode. According to the utility model, the interior of the shell is designed into different layers and is matched with the notches to form a flow channel, so that a low-temperature cooling object in the shell can fully flow and circulate, even if dry ice in contact with the bottom of the tube sublimates, the dry ice at other positions can flow to the position, and the continuous low-temperature state of stem cells is ensured.

The utility model belongs to the technical field of medical instruments, in particular to an abdominal dilator used under a laparoscope, which comprises an outer tube, a middle tube and a puncture core, a fixing seat is integrally arranged at the bottom of the outer tube, an inner tube is slidably mounted in the middle tube, three groups of dilation blades are arranged on the outer side of the upper portion of the middle tube, and a connecting plate is arranged between the inner tube and the dilation blades. A plurality of sets of threaded holes are formed in the lower portion of the inner pipe, fixing pieces are integrally arranged on the two sides of the fixing base respectively, and small round holes are formed in the centers of the two sets of fixing pieces respectively. The middle pipe is rotated according to the screw rod principle to drive the inner pipe and the expansion blades to rotate into the front end of the outer pipe, the middle pipe can be limited through the limiting ring to prevent the middle pipe from being screwed into the abdominal cavity, then the inner pipe is pulled back to drive the connecting plate to move, the expansion blades are expanded, the abdominal wall is raised, and the internal space of the abdominal cavity is expanded; the operation space is convenient.

This invention relates to an assembly device for radiator fins and flat tubes, comprising an assembly chamber, a shaping frame, flat tubes, and radiator fins. A gripping frame is located at the top of the assembly chamber, a tube-up mechanism is located on the side of the assembly chamber, and a fin-up mechanism, a positioning frame, a fin-loading mechanism, and a material-picking mechanism are located at the bottom of the assembly chamber. The flat tubes are placed in the tube-up mechanism, and the radiator fins are placed in the tube-up mechanism, the positioning frame, and the fin-loading mechanism. The shaping frame includes a magnetic suction frame and a serpentine bending plate. The inner shape of the magnetic suction frame matches the outer shape of the serpentine bending plate. A deflector plate is located at the bend of the serpentine bending plate, and multiple deflector protrusions are provided on the inner side of the deflector plate. Multiple sets of through slots are formed on the outer side of the serpentine bending plate. This invention achieves continuous and precise shaping and bending of straight flat tubes, ensuring the consistency of the shape of all flat tubes, avoiding deformation caused by transporting independently bent tubes, and providing a standard basic component for subsequent assembly.

The utility model discloses a medical examination sampling device, and particularly relates to the technical field of medical instruments, the medical examination sampling device comprises a box body, two side walls of the box body are respectively connected with a fixing plate, four springs are sequentially connected above the fixing plates, the top ends of the springs are connected with a sample test tube placing shell, and the sample test tube placing shell is connected with a sample test tube. The bottom of the sample test tube placing shell is connected with a vibration motor; a shaft rod is rotatably connected to the top of the sample test tube placement shell, a gear is connected to the tail end of the shaft rod, a first side plate and a second side plate are connected to the outer side of the gear in a meshed mode, three first clamping plates are connected to the inner side of the first side plate, and three second clamping plates are connected to the inner side of the second side plate; the first clamping plate and the second clamping plate on the two sides are driven to move in opposite directions by rotating the rotary knob, the driving shaft rod and the gear to rotate and connecting the gear with the first tooth groove and the second tooth groove on the two sides, so that the sample test tube between the first clamping plate and the second clamping plate is clamped.

The utility model discloses a multifunctional bedside nasojejunum nutrition tube placement training device which comprises a head and neck bionic block, a nasopharyngeal cavity channel is arranged in the head and neck bionic block; the pleuroperitoneal cavity frame comprises a hard simulation frame and bionic skin covering the hard simulation frame. Wherein the head and neck bionic block and the pleuroperitoneal cavity frame are integrally formed or detachably connected. A bionic esophagus, a bionic stomach, a bionic duodenum and a part of bionic jejunum which are sequentially connected are arranged in the pleuroperitoneal cavity frame, and a bionic cardia and a bionic pylorus are arranged at the head end and the tail end of the bionic stomach respectively. A bionic inferior vena cava, a bionic abdominal aorta, a bionic mesenteric superior vein and a bionic mesenteric superior artery are further arranged in the pleuroperitoneal cavity frame; the bionic inferior vena cava and the bionic abdominal aorta are arranged on the rear sides of the bionic stomach and the bionic duodenum, the bottom ends are closed, and the head ends penetrate out of the bionic skin; the bottom ends of the bionic superior mesenteric vein and the bionic superior mesenteric artery are closed, and the head ends of the bionic superior mesenteric vein and the bionic superior mesenteric artery partially wrap the bionic duodenum and then penetrate out of the bionic skin.

The utility model discloses a stem cell cryopreservation tube placing frame stable in placing. The stem cell cryopreservation tube placing frame comprises a storage box. A positioning frame is arranged on one side of the storage box, a transmission belt is arranged on one side of the positioning frame, an adjusting block is arranged on one side of the transmission belt, and a connecting block is arranged on the other side of the transmission belt; a clamping block is arranged on the other side of the adjusting block, and a cover plate is arranged on one side of the clamping block. Wherein a placing frame body is arranged on one side of the connecting block, a placing groove is formed in one side of the placing frame body, an adjusting rod is arranged on one side of the placing groove, and a lower clamping groove is formed in the other side of the placing frame body, so that the height of the placing frame body in the storage box can be adjusted by pushing the adjusting block downwards, and cryopreservation tubes can be stored and taken more conveniently and quickly; the cryopreservation tubes can be stored and moved conveniently through locking and separating of the cover plate and the adjusting block, the size of the containing groove can be conveniently controlled through the adjusting rod by controlling the positions of the adjusting plate and the containing frame, and therefore the cryopreservation tubes can be stably placed conveniently.

The utility model discloses a lipstick square tube arranging device which comprises an arranging device and a conveying device, the conveying device comprises a second conveying belt, a second air cylinder, a baffle and a connecting frame, the upper end face of the second conveying belt conveys square tubes, the square tubes reach the baffle and are pushed to the connecting frame by the second air cylinder, and the arranging device comprises a first conveying belt, a tidying frame and a turnover device. The transfer box is placed on the upper end face of the first conveying belt, the arranging frame is located above the first conveying belt and comprises a frame plate, a push plate and a first air cylinder, the frame plate is connected with a connecting frame, the push plate can be close to or away from the turnover device, the turnover device comprises a temporary storage box and two connecting columns, the two connecting columns are located on the two sides of the first conveying belt, and the temporary storage box is located above the transfer box. According to the square tube turnover device, a row of square tubes can be placed in the transfer box below each time of turnover of the turnover device, and automatic arrangement and arrangement are fast and convenient.

The utility model discloses a tomato leaf cutting and sampling device, and relates to the technical field of sampling devices. The tomato leaf cutting and sampling device comprises a sampling device shell and a sampling tube classification assembly, the sampling tube classification assembly comprises a sampling tube placement box, a bottom plate, side plates, a placement frame, a rectangular clamping block, a rotating column, a connecting column, a reset spring C and a rotating wheel, and the sampling tube placement box is fixedly connected to the bottom of the sampling device shell; the bottom plate is arranged at the bottom of the sampling tube placement box, the two side plates are fixedly connected to the surface of the bottom plate and are in bolted connection with the sampling tube placement box, the two placement frames are rotationally connected to the interior of the sampling tube placement box, and one-key rapid cutting is achieved through a punching column and a base linkage mechanism; the operation coherence is ensured through cooperation with double reset springs, sample pollution is avoided, and classified storage of a plurality of samples can be completed through one-time operation through the rotary sampling tube classification assembly driven by the rotating wheel.

The utility model relates to the field of pipeline machining, in particular to a pipeline end chamfering device which comprises a feeding mechanism, a guiding mechanism, a pushing mechanism, an abutting mechanism and a chamfering mechanism, and a cut round pipe to be chamfered is placed in the feeding mechanism. The feeding mechanism conveys the round pipes to the guiding mechanism, the guiding mechanism conveys the round pipes to the position above the pushing mechanism in sequence, the pushing mechanism pushes the round pipes to the abutting mechanism, the abutting mechanism and the pushing mechanism jointly position the round pipes, and the pushing mechanism pushes the round pipes to the position above the pushing mechanism. And the chamfering mechanism is used for chamfering the positioned round pipe, the pushing mechanism returns to the initial position after the round pipe is chamfered, and the chamfered round pipe slides into a collecting frame placed at the bottom when the pushing mechanism returns.

A method includes receiving or generating an anatomical map of wall tissue of at least a portion of a cardiac chamber, the map superimposed with ablation tags at locations of ablated wall tissue. Upon placing an ablation catheter having one or more electrodes in a vicinity of the wall tissue, at least one electrode among the one or more electrodes is identified, that violates a location proximity criterion to one or more of the ablation tags. The identified at least one electrode is graphically encoded. The anatomical map showing the graphically encoded at least one electrode is displayed to a user.

The utility model relates to the technical field of silicon core pipe product detection, and discloses a clamp for a tensile test of a silicon core pipe, which comprises a base, a guide sliding rail is fixedly connected onto the base, a sliding component is arranged in the guide sliding rail, a sliding plate is arranged on the inner side of the guide sliding rail, a connecting seat is welded on the lower side of the sliding plate, and a clamping groove is formed in the lower side of the connecting seat. The lower side of the connecting seat is fixedly connected with a connecting plate, the connecting plate is in threaded connection with a mounting rod, the base is fixedly connected with a bottom plate, and the bottom plate is connected with a mounting plate through a bolt. According to the utility model, after the silicon core pipe is placed at the preset positions of the clamping plate I and the clamping plate II, the hand wheel is rotated to drive the rotating rod to rotate in the two clamping plates, so that the size of the opening of the clamp is quickly adjusted to adapt to the silicon core pipes with different pipe diameters, and in the process, the flexible anti-slip liners on the inner sides of the clamping plates are tightly attached to the surfaces of the silicon core pipes to increase the friction force; and the silicon core pipe is always stably clamped in the test.

This design is a medical tube holder that includes a cylindrical tube holding portion with a U-shaped notch that can hold a medical tube, and a throat pad with long holes on both the left and right ends in a plan view for passing a band through. When fixing a tube placed by percutaneous transesophageal gastric tube placement to a patient's neck, the tube is held in place by the tube holding portion, and the back side of the tube is placed against the patient's skin. Bands are passed through the long holes on both the left and right ends of the throat pad to fix the medical tube placed in the patient's body.