33 results about "Saline injection" patented technology

The invention relates to the technical field of medical treatment, and discloses an intraperitoneal hepatic vein blood flow blocking device which comprises a drainage tension-brace mechanism, a hepatic vein blocking mechanism is arranged on the surface of the drainage tension-brace mechanism, a catheter recycling mechanism is arranged on the surface of the hepatic vein blocking mechanism, a hydraulic measuring mechanism is arranged at one end of the catheter recycling mechanism, and the hydraulic measuring mechanism is connected with the drainage tension-brace mechanism. And a normal saline injection mechanism is arranged at one end of the hydraulic measuring mechanism. According to the intraperitoneal hepatic vein blood flow blocking device, through the arrangement of the drainage pulling and supporting mechanism, the hepatic vein blocking mechanism, the catheter recycling mechanism, the hydraulic measuring mechanism and the normal saline pushing and injecting mechanism, the hepatic vein can be directly blocked through expansion of the hepatic vein blocking mechanism in the using process, and meanwhile it is guaranteed that the inferior vena cava blood flow can flow through a circulation cavity; therefore, smooth return blood circulation of the inferior vena cava is guaranteed.

The utility model relates to the technical field of meat product processing equipment, in particular to a bony food saline injection machine which comprises a machine body, a liquid separation box and a telescopic pipe. The support is fixed to the upper portion of the machine body, and the telescopic cylinder is fixed to the upper portion of the support. The liquid separation box is fixed at the lower end of the telescopic cylinder; the guide sleeves are fixedly arranged on the bottom surface of the liquid separation box in an array manner; the upper end of the telescopic pipe is movably inserted into the guide sleeve; the liquid inlet hole is formed in the outer wall of the upper end of the telescopic pipe; the sealing rings are arranged between the telescopic pipe and the guide sleeve, and the positions, above and below the liquid inlet hole, of the sealing rings are respectively provided with one sealing ring. The injection needle is rotationally fixed to the lower end of the telescopic pipe through threads, and the injection needle penetrates through the pressing plate; by improving the saline injection machine for the bone food, the saline injection machine has the advantages of reducing the use amount of saline, reducing the cost, enhancing the stress of the injection needle and reducing the stress bending of the injection needle, thereby effectively solving the problems and defects in the prior art and equipment.

A brine injection machine for injecting brine to meat pieces is provided. The machine comprises an auxiliary frame (10) configured to carry a pre-filtering unit (6), and a pre-filtered brine tank (7), the auxiliary frame being detachable with regard to the main frame (1). At least one level sensors (32) is configured for detecting an amount of pre-filtered brine in the pre-filtered brine tank (7), and an electronic control device is configured for controlling the brine injection operation as a function of the amount of pre-filtered brine in the pre-filtered brine tank (7) that can be recycled, as detected by the at least one level sensor (32) at the end of a brine injection cycle. It is also disclosed a method for operating a brine injection machine according to the invention.

The utility model discloses a saline injection machine with a cleaning structure, which comprises a storage box, the top of the storage box is fixedly connected with a shell, the center of the bottom of the storage box is fixedly provided with a water pump, the input end of the water pump is fixedly connected with a first pipeline, and the output end of the water pump penetrates through an inner cavity of the shell and is fixedly connected with a second pipeline. A spraying pipe is fixedly connected to one side of the second pipeline, a placement plate is fixedly connected to the lower end of the inner cavity of the shell, and air cylinders are fixedly mounted on the two sides of the top of the inner cavity of the shell. According to the automatic cleaning device, disinfectant fluid in the inner cavity of the storage box is conveyed through the water pump under the cooperation of the first pipeline, the conveyed disinfectant fluid is sprayed to the inner cavity of the shell through the water pump under the cooperation of the second pipeline and the spraying pipe, the disinfectant fluid is sprayed to the surface of a saline injection, the saline injection is cleaned, and the purpose of automatic cleaning is achieved; a user does not need to manually clean and wipe, time and labor are saved, and the workload of the user is reduced.

This utility model discloses a feeding tube with a flushing function, relating to the field of enteral feeding tube technology. It includes a silicone tube with a pin connector and a pagoda connector fixedly connected to its top and bottom ends, respectively. From top to bottom, the silicone tube is equipped with a drip bottle, a speed controller, and a medication inlet. The medication inlet is Y-shaped, and the silicone tube connects to one port at the top and one port at the bottom of the medication inlet. A flushing mechanism is connected to the other port at the top of the medication inlet. This utility model connects a flushing tube to the medication inlet of the flushing tube, and the flushing tube contains a storage chamber and a piston. The piston pushes saline solution from the storage chamber into the feeding tube, achieving flushing of the inside of the feeding tube. Through the cooperation of a ball screw and a ball nut, the saline solution is flushed at a pulsed frequency, reducing irritation to the intestines during saline injection.

The saline injection machine comprises a base, a side opening, a fixing block and a baffle, an injection box is fixedly installed on the right side of the top end of the base, a feeding port of a main box is formed in the lower portion of the left side wall, a discharging slope is fixedly installed at the position, on the outer side of the feeding port, of the top end of the base, and a conveying belt is arranged at the top end of the left side of the discharging slope; a supporting plate is fixedly installed on the upper portion of the left side wall of the discharging slope, a first electric push rod is fixedly installed on the surface of the supporting plate, a push plate is fixedly installed at the telescopic end of the first electric push rod, and the bottom of the push plate makes contact with the transmission belt; supporting frames are fixedly installed above the front side wall and the rear side wall of the discharging slope, and water spraying pipes are fixedly installed at the top ends of the supporting frames. According to the feeding device, the push plate is arranged to push meat products on the transmission belt, so that the meat products enter the injection box one by one, and the feeding efficiency is improved.

The utility model discloses an efficient injection device of a saline injection machine, which belongs to the technical field of food processing equipment and comprises a needle tube, a water injection channel is arranged in the needle tube, a base is positioned on the needle tube, a sliding seat is movably sleeved on the base, and a plurality of meat pressing plates for pushing the surfaces of objects to squeeze the peripheral side of the needle tube are fixedly arranged on the sliding seat. And an elastic piece capable of applying elastic force to the sliding seat is arranged on the base. According to the efficient injection device of the saline injection machine, after the needle tube is inserted into a meat block, the meat pressing plates push the surface of an object to extrude the peripheral side of the needle tube under the abutting action of the elastic pieces, so that saline is not easy to flow out along the direction opposite to the direction in which the needle tube is inserted into the meat block during saline injection; and the state is maintained under the action of the elastic piece within a period of time when the needle tube gradually leaves the meat block, so that the effective injection rate of the saline water is effectively improved when the needle tube injects the meat block every time.

The residual brine remaining from a brine injection process is collected and filtered by a primary filter system. Thereafter, the filtered brine is routed to a saddle tank from where the brine is routed, as needed, to a secondary filter remove particulates from the brine sufficient to enable the brine then to be routed to an injection head for reuse for injection into the work product. Clean brine is used to clean the primary and secondary filter systems. Thereafter, the spent brine from cleaning the primary and secondary filters is routed to the primary filter system to undergo primary filtration in the same manner as the brine collected after being expelled by the injection process. After this primary filtration, the brine is routed to the saddle tank.

The residual brine remaining from a brine injection process is collected and filtered by a primary filter system. Thereafter, the filtered brine is routed to a saddle tank from where the brine is routed, as needed, to a secondary filter remove particulates from the brine sufficient to enable the brine then to be routed to an injection head for reuse for injection into the work product. Clean brine is used to clean the primary and secondary filter systems. Thereafter, the spent brine from cleaning the primary and secondary filters is routed to the primary filter system to undergo primary filtration in the same manner as the brine collected after being expelled by the injection process. After this primary filtration, the brine is routed to the saddle tank.

The invention relates to the technical field of medical instruments, in particular to a breast cancer operation device capable of realizing incision dilatation, which comprises a base, an incision dilatation support is fixedly connected to the outer wall of the top end of the base, a liquid storage tank is fixedly connected to the outer wall of the top end of the incision dilatation support, and a normal saline injection pump is mounted on the outer wall of one side of the liquid storage tank. A hose is inserted into the output end of the normal saline injection pump, a first motor is installed on the outer wall of the top end of the incision expansion support, and one end of an output shaft of the first motor is connected with a one-way screw through a coupler. The top expansion bag is flush with the top of an incision to expand skin and soft tissue, the bottom expansion bag is flush with the bottom of the incision to expand and support the structure stability, the telescopic bag expands and stretches to adjust the height of the combined bag, the incision is expanded more tightly, a positioning pad is further arranged outside to assist positioning, and the stability of the expansion structure is guaranteed when normal saline is injected; deviation is prevented, and the use efficiency of the incision expansion breast cancer operation device is improved.

An intraoperative saline test catheter for mitral valve repair. The intraoperative saline test catheter comprises a saline injection hose, wherein the saline injection hose is fixed to a saline-inlet-end threaded joint at one end, and is fixed to a saline-outlet-end member at the other end. An inner cavity is provided in the hose wall of the saline injection hose, and a flexible metal member is fixed in the inner cavity, with the axis of the flexible metal member being parallel to the axis of the saline injection hose. The technical effects of the present invention, compared with the prior art, lie in that the provision of the metal member enables the present invention to be adjusted to a suitable angle without affecting the bending thereof, and the present invention can also be shaped after being bent, and can stably maintain its configuration, thereby facilitating accurate inspection of the state of a heart valve.

The utility model discloses an injection machine device for injecting starch, which belongs to the technical field of meat product processing and comprises a saline injection machine, the saline injection machine comprises a saline water tank, and the saline water tank comprises a cylinder and a funnel communicated with the bottom of the cylinder; a stirring mechanism is arranged on the cylinder body and extends into the cylinder body and the funnel body; and the bottom of the funnel body is communicated with a water inlet pipe. The saline water injection machine is specially designed for injecting saline water for barbecue products, the saline water tank of the saline water injection machine is redesigned according to the scheme, and starch is prevented from precipitating through continuous stirring and bottom water inlet impact action, so that the starch is fully and uniformly dispersed and does not precipitate in the saline water tank, and uniform injection feed liquid is provided for product injection.

The utility model belongs to the technical field of food processing, and particularly relates to a saline injection machine for food processing, which comprises a rack, a conveying belt and a plurality of needles, the conveying belt is mounted in the middle of the rack, the needles are symmetrically mounted in the rack, and a lifting plate controlled by an electric telescopic rod is mounted in the rack. The multiple needle heads are symmetrically installed on the lower side of the lifting plate, two clamping plates symmetrically distributed front and back are assembled in the rack in a sliding mode and matched with the conveying belt, baffles matched with the lifting plate are assembled on the left side and the right side of the rack in a sliding mode, and control assemblies matched with the clamping plates are arranged on the front side and the rear side of the rack. Limiting pieces matched with the baffles are arranged on the left side and the right side of the lifting plate. The meat products are conveyed through the conveying belt, the meat products are separated through the baffles, the control assembly drives the clamping plates to clamp the meat products, the electric telescopic rod drives the lifting plate to descend, the needle head injects saline water into the meat products, the meat products are prevented from falling off, and smooth processing of the meat products is guaranteed.

The utility model relates to the technical field of medical instruments, and discloses a multi-channel thrombus aspiration catheter which comprises a catheter base, a catheter body is arranged on the catheter base in a penetrating mode, a breaking knife is arranged in the catheter body in a sliding mode, and an aspiration tube is arranged outside the breaking knife in a sleeved mode. When the multi-channel thrombus aspiration catheter is used, firstly, the catheter body is moved to the thrombus of a patient, the crushing knife is rotated to crush the large thrombus, meanwhile, due to the arrangement of the saline injector, saline can be conveniently flushed out through the catheter body by pressing the saline injector, and the thrombus aspiration catheter is convenient to use. The suction pipe is connected with negative pressure equipment through the threaded connector, the thrombus is pumped out through the suction pipe, saline water in the saline water injector can be replaced with treatment liquid medicine for treatment in the actual use process, and therefore the large-size and high-viscosity thrombus can be flushed into small blocks convenient to extract through the auxiliary crushing knife, and the thrombus is pumped out through the suction pipe. And the practicability of the multi-channel thrombus aspiration catheter is improved.

The invention discloses a construction method of a mouse autism intervention model, and belongs to the technical field of neurobiology and animal model construction. Comprising the following steps: S1, selecting a pregnant C57BL / 6J female mouse, performing VPA induction on the 12th to 13th embryo to form an experimental group, and injecting normal saline into another mouse to form a control group; s2, performing AAV-shRNA targeted mGluR5 virus injection on the mice in the experimental group, and retaining the injection for 15 minutes after the injection so as to avoid backflow; s3, recovering the postoperative mouse for 3 weeks, performing behavioral detection on the mouse at the age of 7 weeks, and performing protein and morphological analysis on the hippocampal tissue after an experiment; s4, carrying out behavioral experiments to evaluate ASD sample behavioral characteristics, detecting mGluR5 and PSD95 protein expression levels in the hippocampus tissues by using Western blot, and analyzing changes of synaptic structures by adopting Golgi staining. The VPA model provided by the invention can be used for wider autism research, and a model platform which is low in toxicity, easy to operate and repeatable is provided.

The utility model discloses a saline injection machine convenient for replacing a needle head, which belongs to the technical field of food processing and comprises an injection machine body provided with a placing groove, a telescopic stand column is fixedly arranged on the end face of the injection machine body close to the placing groove, the telescopic stand column is fixedly connected with a fixing frame, and a material storage groove is formed at the top of the fixing frame. A movable plate is slidably arranged on the end face, close to the containing groove, of the material storage groove, a plurality of holes are evenly formed in the movable plate, needle inserting pieces are arranged at the positions, corresponding to the holes, of the containing groove, the needle inserting pieces are fixed to a limiting plate, and the limiting plate is slidably connected with the fixing frame. And a limiting piece for limiting the sliding of the limiting plate and the moving plate is arranged on the fixed frame. According to the saline injection machine convenient for replacing the needle head, the designed needle inserting piece is matched with the movable plate and the limiting plate, so that a user can easily replace the needle head.

The utility model provides a saline injection machine for meat food processing, and relates to the technical field of meat food processing. The saline injection machine for meat food processing comprises a bottom plate, four supporting rods and a top plate, the top plate is installed at the top of the bottom plate through the four supporting rods, and an up-down moving mechanism is arranged between the bottom plate and the top plate. According to the saline water injection machine for meat food processing, by arranging the pressing mechanisms on the two sides of the injection needle, meat food can be pressed when the injection needle needs to be pulled out, so that the situation that the meat food and the injection needle are lifted together is avoided, meanwhile, the meat food does not need to be manually pressed, the pollution probability of the meat food is avoided, and the labor intensity of workers is reduced. Meanwhile, the indicating rod located at the same horizontal height as the injection needle is arranged, so that the height position of the injection needle at the moment can be observed from the outer side of the meat food when the injection needle is inserted into the meat food, and then the injection effect of saline water is guaranteed.

The invention belongs to the field of biological medicines, and discloses application of a Meis1 inhibitor in preparation of a medicine for relieving acute renal tubule injury. Aiming at the clinical problem that acute kidney injury (AKI) lacks a specific drug, the invention firstly discovers that marrow cytophilic virus integration site 1 (Meis1) is obviously up-regulated in AKI kidney tissues, and a folic acid (FA) and ischemia reperfusion (IR) double-animal model proves that the Mis1 inhibitor MEISi-2 (0.1-1mg / kg) is given; and intraperitoneal injection is carried out 1 day to 2 days before injury), so that the serum creatinine can be obviously reduced, the pathological injury of renal tubules (PAS score is more than or equal to 50%) can be improved, and injury markers KIM-1 / NGAL and apoptotic protein Cleaved Caspase 3 can be inhibited. In-vitro experiments further prove that MEISi-2 (1 [mu] M) can relieve apoptosis of renal tubular epithelial cells induced by hypoxia and reoxygenation (the apoptosis rate reaches 21.9%) by inhibiting Meis1. The invention also provides a pharmaceutical composition containing MEISi-2 (10-100 [mu] g / mL) and a normal saline injection preparation. The scheme is high in safety (no liver and kidney cardiotoxicity is found), and a brand new means is provided for targeted therapy of AKI.

The high-frequency incision knife comprises a shell, an outer pipe, a cutting piece, an injection piece and a control piece, the outer pipe is connected with the end of the shell, the cutting piece and the injection piece are both arranged on the outer pipe in a sliding mode so as to stretch out and draw back relative to the outer pipe, and the control piece is connected with the shell in a sliding mode and can slide relative to the shell in the axial direction and the radial direction of the shell; when the control piece slides to a first position in the radial direction of the shell, the control piece can slide in the axial direction of the shell so as to drive the cutting piece to move. And when the control piece slides to a second position in the radial direction of the shell, the control piece can slide in the axial direction of the shell to drive the injection piece to move. The high-frequency incision knife not only has a normal saline injection function, but also has a mucous membrane excision function. Therefore, the high-frequency incision knife can be input into the human body at a time and does not need to be frequently withdrawn or input into the human body, and therefore the working efficiency of the high-frequency incision knife is improved.

The invention relates to the technical field of food processing, and discloses a full-automatic tumbling and pickling integrated production line which comprises a tumbling and pickling device, a conveying device and a saline injection device, the saline injection device is arranged on one side of the tumbling and pickling device, and the conveying device is arranged on the side, away from the tumbling and pickling device, of the saline injection device. The tumbling and pickling device comprises a supporting assembly and a tumbling assembly, the tumbling assembly is arranged above the supporting assembly, and four stirring plates which are arranged circumferentially are arranged on the inner wall of the tumbling assembly; through mutual cooperation of a water inlet tank and an adjusting assembly, pickling water can be collected, and when the materials move to the upper part, the pickling water is sprayed out again from the upper part, so that the materials are scoured and can be rapidly discharged, and the situation that the materials are discharged after moving to the high position, the materials are mixed together, and the pickling efficiency is influenced is avoided; meanwhile, the materials can be sprayed, and the situation that the materials located on the upper portion cannot make contact with pickling water, and then the pickling efficiency is affected is avoided.

The present invention discloses an energy-saving treatment device for beef processing, and relates to the technical field of beef processing, the energy-saving treatment device comprises a conveying mechanism, and also comprises: a saline water injection mechanism installed on the conveying mechanism and comprising a plurality of injection needles; by installing the needle head anti-blocking mechanism, residual meat scraps in the needle head are discharged when the injection needle head is reset, and a saline water circulation channel is prevented from being blocked, so that the problem of uneven saline water injection caused by unsmooth circulation is avoided. By installing the injection depth and angle control mechanism, the pressure borne by the injection needle is monitored in real time in the injection process, and the needle inserting depth is judged according to the pressure change. When pressure appears, the bone block is guided to move by adjusting the direction of beef, so that the bone block is staggered from the injection needle, the needle is ensured to accurately reach the preset depth, and the uniformity of saline injection is ensured. Meanwhile, injection is carried out by controlling the inclined angle of the beef, the multi-angle injection effect is achieved in the process, and it is ensured that saline water evenly permeates into the beef.

The invention discloses a salt water injection machine for pickling food meat, which comprises a cabinet body, a supporting plate is arranged in the cabinet body, a rotating table connected with a motor is arranged on the supporting plate, a rotating disc connected with the rotating table is arranged on the upper surface of the cabinet body, a mounting frame is further arranged on the upper surface of the cabinet body, and an air cylinder is arranged at the top of the mounting frame. A piston rod of the air cylinder is provided with a lower pressing plate, the lower pressing plate is provided with a first injection needle seat, the supporting plate is further provided with a movable plate, the movable plate is provided with a second injection needle seat, the bottom of the lower pressing plate is provided with a first connecting rod, the top of the movable plate is provided with a second connecting rod, and the first connecting rod and the second connecting rod are each provided with a rack. A gear meshed with the first connecting rod and the second connecting rod at the same time is arranged on the inner wall of the cabinet body, and when the air cylinder drives the downward pressing plate to descend, the movable plate ascends along with the downward pressing plate, so that the first injection needle base and the second injection needle base make contact with food meat placed on the rotating disc. Compared with the prior art, the pickling effect of food meat can be improved.

The utility model relates to the technical field of saline injection machines, and provides a saline injection machine for meat food processing. The syringe comprises an injection tube and a piston sliding block, the injection tube comprises an input tube and an output tube, an input one-way valve is arranged in the input tube, the input tube is fixedly sleeved with the output tube, a gap is reserved between the input tube and the output tube, an output one-way valve is arranged in the output tube, and a needle is integrally formed at the end, away from the input tube, of the output tube; the piston sliding block is composed of two hollow cylinders which are arranged together in a sleeved mode, the top ends of the two hollow cylinders are fixedly connected, the lower end of the hollow cylinder on the inner side is fixedly connected with a piston head which is assembled in a gap between the input pipe and the output pipe in a sliding mode, and the hollow cylinder on the outer side is arranged on the outer side of the output pipe in a sleeved mode. According to the saline injection machine for meat food processing, the injection amount and the injection time can be automatically controlled according to the insertion depth, waste is avoided, and meanwhile the injection effect is more uniform.

The present invention discloses a high-frequency single-pole low-temperature precision cutting surgical blade, comprising: a cutting pole, an insulating sleeve, a water-injected steel pipe, a saline injection cavity, and a water injection channel. The outer side of the cutting pole is provided with an insulating sleeve, and the outer side of the insulating sleeve is provided with a water-injected steel pipe. There is a gap between the insulating sleeve and the water-injected steel pipe. The tail end of the cutting pole is connected to one end of the high-frequency voltage output, and the tail end of the water-injected steel pipe is connected to the other end of the high-frequency voltage output. A saline injection cavity is formed between the water-injected steel pipe and the insulating sleeve. The tail end of the water-injected steel pipe is also connected to one end of the water injection channel, and the other end of the water injection channel is connected to an infusion device. The purpose of the present invention is to provide a high-frequency single-pole low-temperature precision cutting surgical blade that can present diversity and is convenient for aspirating the mist generated during surgery.

According to the technical scheme, the accessory for providing the bronchoscope standby channel is characterized in that the accessory comprises a pipe sleeve arranged on a bronchoscope in a sleeving mode, the pipe sleeve is connected with a fixing head used for being fixed to the bronchoscope and an auxiliary channel arranged on a sleeve body, and the auxiliary channel is detachably connected with a channel pipe; the channel pipe is connected with a connector used for being connected with external equipment. Compared with the prior art, the tracheoscope has the advantages that during operation, the tube sleeve is arranged on a probing tube of the tracheoscope in a sleeving mode and fixed to the tracheoscope through the fixing head, the connector is connected with external equipment, and the tracheoscope can be used for liquid medicine injection or negative pressure suction and side channel auxiliary channel establishment through the channel tube; the lens can be effectively kept clear through negative pressure suction or normal saline injection and the like, and doctors can conveniently conduct more accurate operation and treatment.

The utility model discloses a pulse type deep venous catheter saline injector which comprises a cylinder body, one end of the cylinder body is provided with a liquid outlet pipe communicated with the interior of the cylinder body, a piston is arranged in the cylinder body in a sliding mode, and the end, away from the liquid outlet pipe, of the piston is fixedly connected with one end of a threaded rod. A threaded rod is arranged at one end of the cylinder, a threaded sleeve matched with the threaded rod is rotationally arranged in the other end of the cylinder, a mounting disc is fixedly arranged outside the other end of the cylinder, a servo motor used for driving the threaded sleeve to rotate is arranged on the mounting disc, and a limiting disc is fixedly arranged at the end, away from the piston, of the threaded rod. According to the utility model, the injection dose deviation caused by manual injection is avoided, and the cleaning degree of washing the deep venous catheter is ensured; due to the fact that the one-way valve is arranged on the liquid outlet pipe, normal saline in the cylinder body can only flow to the outside of the liquid outlet pipe, and the situation that blood flows back to the syringe is prevented.

The utility model discloses an otology surgery electrode which comprises a handle, a steel pipe is rotatably connected to the interior of the handle, an installation block is fixedly connected to the interior of one end of the steel pipe, a rotating ring is fixedly connected to the outer side of the installation block and fixedly connected with the steel pipe, a water inlet pipe is arranged in the steel pipe, and a water outlet pipe is arranged in the water inlet pipe. According to the device, the water inlet pipe is arranged, the water feeder is arranged at one end of the water inlet pipe, normal saline is conveyed into the device through the water inlet pipe, and the normal saline is injected to an operation position through the water outlet groove to flush blood water generated in an operation, so that the blood water generated in the operation is flushed, and the operation is facilitated. A water pumping device is arranged at one end of the water outlet pipe, air in the water outlet pipe is pumped out through the water pumping device, normal saline in the auditory meatus is pumped out through the annular groove and the water inlet hole, and the normal saline is conveniently pumped out through the multiple water pumping holes.

The system and method for real-time ultrasound monitoring of the catheter tip position during port-a-catheter implantation can solve the problems of low spatial and temporal resolution in X-ray assessment of the catheter tip position, reduce the risk of complications caused by catheter adjustment lag, reduce patient X-ray radiation exposure, and achieve real-time ultrasound judgment and timely adjustment of the catheter tip position during the operation. The port-a-catheter is a three-way valve catheter with a solid central part at the tip and a reversible balloon attached to the periphery of the tip. The port-a-catheter is equipped with a support guidewire at the center, which is inserted through the heparinized saline injection channel. The normal saline injection channel is located inside the side wall of the port-a-catheter. One end of the normal saline injection channel is connected to the reversible balloon, and the other end is connected to the normal saline injection port (3). The heparinized saline injection channel is located at the center of the port-a-catheter. One end of the heparinized saline injection channel is connected to the central part of the tip, and the other end is connected to the heparinized saline flushing port (4).

1. Name of the product in this design: Saline Injector. 2. Purpose of this design: For meat preservation. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view.

This application discloses a syringe assembly control method and related device to improve testing accuracy. This application embodiment is applied to a control module in a computed tomography (CT) system. The system further includes a syringe assembly. The method includes: obtaining the iodine injection flow rate of a specified iodine contrast agent; obtaining a target injection coefficient, the target injection coefficient being in the range of 1.5 to 2; calculating, based on a preset algorithm, a saline injection flow rate of physiological saline, which is proportional to the iodine injection flow rate, according to the iodine injection flow rate and the target injection coefficient; and sending an injection command including the saline injection flow rate and the iodine injection flow rate to the syringe assembly, so that the syringe assembly first injects physiological saline into the patient at the saline injection flow rate, and then injects the specified iodine contrast agent at the iodine injection flow rate.