133 results about "Tube placement" patented technology

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 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.

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).

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.

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 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 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.

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 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 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 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.

The utility model discloses a magnetic suction type saliva suction tube fixing device, which relates to the technical field of saliva suction tubes and comprises a fixing device body made of metal magnets, the fixing device body is of a tubular structure with the upper end and the lower end opened, the fixing device body is adsorbed on the outer surface of a saliva suction tube, and the fixing device body is connected with the saliva suction tube on a dental chair in a clamping mode. The fixing device comprises a fixing device body, the inner side of the fixing device body can be adsorbed on the peripheral surface of the saliva suction tube, and when the saliva suction tube needs to be placed on a dental chair, the saliva suction tube is clamped and fixed through the joint of the outer side of the fixing device body and the dental chair, so that the saliva suction tube is prevented from falling off from the dental chair.

The utility model belongs to the technical field of biological experiments, and discloses a centrifugal tube bracket for packaging diagnostic reagents. The centrifuge tube support comprises a support body and a partition plate, a plurality of containing areas are arranged on the support body, each containing area is provided with a tube containing position, the containing areas at least comprise a first containing area, a second containing area, a third containing area and a fourth containing area, the partition plate is connected to the support body, and every two adjacent tube containing positions are separated by the partition plate; the plurality of accommodating areas are arranged on the bracket body, the accommodating tube positions are arranged in each accommodating area, and the adjacent accommodating tube positions are separated by the partition plates, so that centrifugal tubes containing different reagents (such as blank samples, calibration products, quality control products and interior labels) can be stored in the accommodating tube positions of the corresponding accommodating areas in a partitioned manner; the placing positions of the centrifugal tubes containing different reagents are prevented from being disordered, the corresponding centrifugal tubes are taken and placed according to the containing areas, the taking and placing time is saved, the taking and placing efficiency is improved, and the possibility of taking and placing misoperation is greatly reduced.

This invention relates to a device for multi-index detection qPCR, comprising: multiple sample tube placement positions arranged sequentially along a first direction; multiple temperature-controlled amplification components, each disposed in a corresponding sample tube placement position, configured to hold sample tubes for storing test samples, each temperature-controlled amplification component having a light-passing section, and each temperature-controlled amplification component capable of independent temperature adjustment; and an optical detection component, movable along the first direction and disposed to one side of the temperature-controlled amplification components, wherein the optical detection component, while movable along the first direction, is used to collect fluorescence signals emitted by the amplified samples in the corresponding sample tubes through the light-passing section. This invention solves the technical problems of the inability to perform on-demand testing of large batches of test samples and the possibility of misinterpretation of test results.

The utility model discloses a pet injection support, which belongs to the technical field of veterinary instruments and comprises a base, the base is attached to the body of a pet, a lifting component is arranged on the base, the skin of the pet is lifted through the lifting component, a guide rail component is arranged on the base, and a needle tube is placed on the guide rail component. The needle tube can slide relative to the base through the guide rail assembly so as to control whether the needle tube pierces the skin of the pet or not, and after the lifting assembly lifts the skin of the pet, the needle tube pierces the lifted skin of the pet for injection. According to the utility model, the skin of a pet is lifted up, and then injection is carried out through a proper needle tube, so that a needle head is prevented from pricking the muscles and epidermis of cats and dogs, and meanwhile, fingers are prevented from being pricked, and the situations that some green hands cannot inject and prick wrong positions are effectively avoided.

A water conservancy project detection sampling storage device comprises a frame body (1), a rotating frame (2) rotatably installed in the frame body (1), a bag (3) installed outside the frame body (1) and a set of sampling pipes (4), taking and placing openings (5) are formed in one side of the frame body (1) and one side of the corresponding bag (3), and the rotating frame (2) is provided with a set of sampling pipe positioning grooves (6) and pressing plates (7) corresponding to the sampling pipe positioning grooves (6). And the sampling tube (4) is placed on the rotating frame (2) and is matched and fixed with the pressing plate (7) through the sampling tube positioning groove (6). The sampling tube storage device has the advantages that the sampling tubes are sequentially placed and fixed on the rotating frame, taking and placing are convenient and fast, mutual collision and sample leakage are avoided, the whole storage device is convenient to move and carry through the bags, and meanwhile the sampling tubes can be effectively protected.

The utility model relates to the technical field of stem cell low-temperature transport cases, and particularly discloses a portable stem cell low-temperature transport case which comprises a low-temperature transport case body and a containing cavity, the containing cavity is formed in the low-temperature transport case body, clamping rails are fixedly installed on the two sides of the interior of the containing cavity, and a containing plate is connected to the surfaces of the clamping rails in a sliding and clamping mode. Clamping holes are formed in the surface of the containing plate, a bottom plate is fixedly connected to the bottom of the containing plate, limiting clamping bases are arranged on the surface of the bottom plate, an ice block stacking plate is fixedly installed at the intersection position of clamping rails, and air outlet holes are formed in the side face of the ice block stacking plate. By means of the design, a container (such as a cryopreservation tube) containing stem cells can be conveniently placed between the clamping hole and the limiting clamping base, the stable fixing effect is achieved, the stem cell container is prevented from being displaced or collided due to shaking and bumping in the transportation process, and the stability of stem cell storage is greatly improved.

The utility model discloses a stackable test tube box, which belongs to the technical field of test tube placing boxes and comprises a test tube box, the test tube box comprises a box cover and a box body, two sides of one end of the box cover are rotatably connected with the box body, and two sides of the other end of the box cover are connected to the top of the box body in a clamping manner; a first limiting protrusion is arranged at the top of the box cover, a limiting groove is formed in the bottom of the box body, the first limiting protrusion is matched with the limiting groove, and a plurality of test tube boxes are stacked together in the vertical direction through the limiting groove and the first limiting protrusion. According to the test tube box, a plurality of test tube boxes can be stacked together in the vertical direction, and the box cover and the box body can be stably clamped together.

This utility model relates to the field of medical devices, specifically a smart repositionable test tube holder for body fluid testing. It includes a placement cylinder with a partition coaxially and vertically fixed inside, dividing the cylinder into multiple placement areas. A detachable cap is coaxially mounted on the top of the cylinder, and a temporary storage box corresponding to each placement area is mounted on the top of the cap to temporarily store test tubes. Each placement area contains a tube placement unit that cooperates with the temporary storage box. A controller is fixedly mounted on the top of the cap. This utility model features multiple placement areas, enabling intelligent and orderly storage of test tubes. Each placement area corresponds to a specific type of test tube, improving test tube management efficiency. During use, test tubes can be temporarily placed, and different types of test tubes can be intelligently identified, automatically moving different types of test tubes to their corresponding placement areas for easy subsequent movement and processing.

The utility model discloses a PCR (Polymerase Chain Reaction) plate with an identification function, which comprises a base, a movable plate is arranged above the base, the distance between the movable plate and the base is adjustable, the movable plate is provided with a penetrating opening, the top of the base is provided with a storage groove corresponding to the penetrating opening, and a transparent pressing plate is movably clamped on the movable plate. Through mutual cooperation of the base, the moving plate, the penetrating opening, the storage groove, the transparent pressing plate, a moving block, a side box, a threaded rod, a threaded shell, a rail, a sliding block, an adjusting groove, an adjusting rod, a first spring, a clamping plate, a clamping rod, a second spring, a telescopic rod, a bearing and a rotating block, in the using process, the distance between the base and the moving plate can be adjusted; in this way, the PCR tube placement requirements of different lengths can be flexibly met, the adaptation range is wide, the transparent pressing plate can be used for pressing the identification paper sheet, different PCR tubes can be well identified, and the identification paper sheet at the bottom of the transparent pressing plate can be conveniently replaced.

The invention discloses a rapid in-vitro diagnostic kit for creatine kinase isoenzyme, and relates to the technical field of kits, the rapid in-vitro diagnostic kit comprises a kit body, the periphery of the interior of the kit body is provided with extrusion mechanisms, the bottom side of the interior of the kit body is provided with a base, the interior of the base is provided with a plurality of detection strips, and the detection strips are arranged in the kit body. The middle side of the top of the base is fixedly connected with a middle plate, and the front side of the top side of the middle plate is provided with a fixing mechanism. The device has the advantages that the cover plate I and the cover plate II which are rotated by 90 degrees are connected through a magnetic attraction strip, a reagent tube is placed in the corresponding clamping piece I and the clamping piece II, a movable plate is pressed through a corresponding spring, and the movable plate is clamped by the clamping piece I and the clamping piece II; the reagent tube can enter the first clamping piece and the second clamping piece and is extruded and fixed, then the first cover plate is closed, the top end of the reagent tube is sealed and stored through the rubber pad, and the situation that a sample reagent in the reagent tube is collided and spilled out, and normal use of the reagent is affected is avoided.

The utility model relates to the field of medical auxiliary instrument, concretely relates to a portable blood sample anticoagulation mixing device, including mixing support base, detachable connection is established the sealed protective cover of mixing support base upper end, the upper end fixed connection of sealed protective cover has the carrying handle, still including mixing mechanism, the utility model discloses the whole device adopts compact structure design, need not power, solve the poor portability of existing device, the problem of dependence on commercial power, the device realizes the bidirectional swing of blood collection tube through pressing drive swing, solve the problem that uneven mixing caused by manual swing in the prior art, the problem that the blood cell is broken caused by excessive force, the inner wall that test tube is placed is equipped with rubber antiskid pad and multiple groups of rubber protruding, solve the problem that the existing device fixed inner diameter, poor adaptability.

The present application relates to the technical field of medical devices, and more particularly to a medical multifunctional tube-pulling-prevention device; the technical scheme comprises a first connecting tube and a second connecting tube; a gas bag is fixedly arranged in the first lumen of the first connecting tube; a trachea is fixedly connected to the wall of the first connecting tube; the top of the first connecting tube is fixedly connected to not less than three groups of locking pieces; and the lower end of the second connecting tube is fixedly connected to a locking ring. The gas bag drives the locking pieces to deform and mechanically interlock with the locking ring, effectively preventing unplanned tube pulling, avoiding treatment interruption and repeated tube placement operation; at the same time, the gradually changing structure of the inner diameter of the gas bag and the elastic difference design make the present application realize buffering first and then locking when being pulled, and can realize automatic resetting of the buffering stroke, significantly reducing the pulling damage to the wound of the patient and improving the treatment safety and operation convenience of the present application.

This invention discloses a stent for preventing anastomotic leakage in the field of medical device technology. The stent includes a stent body, a fixation component and a navigation component fixedly connected to the stent body, and a drug-releasing component embedded in the inner wall of the stent body. This stent can be reduced in size during insertion to facilitate placement through a sheath, while also possessing the characteristics of precise positioning, stable support, aided healing, and biodegradability, thereby effectively reducing the risk of anastomotic leakage, minimizing patient suffering, and reducing surgical costs.

This invention discloses a sample tube processing mechanism, a cap removal mechanism, and an analytical device. The sample tube processing mechanism includes a sample tube placement carrier and a cap removal mechanism. The cap removal mechanism includes a support with a lifting mechanism connected to it. The lifting mechanism is connected to a cap gripper, which includes a horizontally positioned cap-piercing cone and a clamping member corresponding to the tip of the cap-piercing cone. The cap-piercing cone is connected to a cone actuator that drives its axial movement. An auxiliary gripping mechanism is also provided on the support. This auxiliary gripping mechanism includes an auxiliary jaw driven by a rotating mechanism to rotate about a horizontal axis perpendicular to the axial direction of the cap-piercing cone. When the auxiliary jaw is in a horizontal state, the two clamps close to hold the tube. The cap removal mechanism of this invention can remove caps from sample tubes on the sample tube placement carrier without requiring the sample tubes to be transferred to a carrier assembly for processing, as in existing technologies, thus balancing processing capacity and efficiency.

The utility model discloses a chemical reagent tube placing assembly. The chemical reagent tube placing assembly comprises a base, a retaining piece and a rotating piece, a mounting chamber is formed in the middle of the base, a cover plate is arranged on the base, and an insertion hole is formed in the cover plate. When the rotating piece rotates, the lower end of the rotating piece pushes the retaining arm, so that the lower end of the retaining hole is opened. According to the chemical reagent tube placing assembly, the position of a reagent tube is limited in a mode that the retaining piece applies pressure, meanwhile, the rotating piece needs to be rotated before the reagent tube is inserted, and therefore the retaining arms on the retaining piece are pushed by the rotating piece to be stressed and deform. Through cooperation of a holding arm and a second arc-shaped part, reagent tubes with different diameters can be clamped, it can be guaranteed that the reagent tubes with different diameters do not shake when located in holding holes, and the phenomenon that liquid is spilled due to position deviation of the reagent tubes in the holding holes when the placing assembly is transferred can be avoided; the stability of the position of the reagent tube is improved.

The utility model relates to a positioning tool, and particularly discloses a flute-shaped branch pipe welding positioning tool. Comprising a base, a first limiting seat and a second limiting seat which are used for positioning the two ends of a main pipe are fixedly arranged on the base, a hollow positioning shaft used for abutting against a branch pipe is detachably arranged on the first limiting seat, and the hollow positioning shaft and the main pipe are coaxially arranged. The distance between the outer diameter of the hollow positioning shaft and the outer diameter of the main pipe is the depth of the branch pipe inserted into the branch hole. An axial limiting piece used for limiting the length of the portion, inserted into the fixing hole, of the main pipe is arranged in the fixing hole. And a positioning plate for limiting the position of the free end of each branch pipe of the flute-shaped branch pipe is also fixedly arranged on the base. The welding positioning device is simple in structure, can realize quick and accurate positioning without changing the structures of the original main pipe and the branch pipe, and is suitable for welding positioning of the flute-shaped branch pipe.

The utility model discloses a reagent shelf for biological experiments, and relates to the technical field of reagent shelves. The test tube rack comprises a table top frame, a vertical frame assembly and a test tube seat assembly, the test tube seat assembly comprises a fixed seat plate and a group of adjusting clamping plates, test tube placing openings are formed in the edge of one side of the upper end plate surface of the fixed seat plate in an array penetrating mode, a group of adjusting plate grooves are formed in one side of the fixed seat plate, and the adjusting clamping plates are slidably connected in the adjusting plate grooves in a sleeved mode. The fixed seat plate is rotationally installed in the vertical frame assembly, and the vertical frame assembly is vertically and slidably connected into the table top frame in a sleeved mode. Reagent tubes needing to stand are placed in the test tube placing openings and clamped by the adjusting clamping plates, so that the placing efficiency of the reagent tubes is improved, and the occupied space of a table top is reduced; the height of the reagent tube is adjusted by vertically adjusting the height of the vertical frame assembly.