56 results about "Hepatic portal" patented technology

The invention provides a nervous tissue identification method based on artificial intelligence, and relates to the technical field of medical intelligent detection. According to the nervous tissue identification method, nervous tissue region annotation is carried out on 452 HE-dyed section images of bladder cancer, pancreatic cancer and porta-bile duct cancer by using QuPath software. 70% is used as a training set, 10% is used as a verification set of a training process, and 20% is used as an independent test set to train the nnUnet model. The whole training process is combined with an active learning strategy to enhance the specificity of the model. By using the algorithm and the deep learning technology, the nerve peripheral infiltration in the pathology is accurately and quickly evaluated, the workload of manual identification is greatly reduced, and the diagnosis accuracy is improved. The machine identification of tumor peripheral nerve invasion has obvious practicability, importance, clinical diversity and actual clinical value, and shows that the deep learning technology improves the potential of tumor detection and diagnosis.

The invention discloses an intelligent and digital liver blood flow control device which comprises a central operation table, a connecting line is fixedly installed at the top of the central operation table, a controller is fixedly connected to the end, away from the central operation table, of the connecting line, and a blocking rope is fixedly installed at the top of the controller; an adjusting mechanism is arranged in the controller, one end of the blocking rope is rotationally connected with a connecting screw head, the adjusting mechanism is connected with the blocking rope through the connecting screw head, and the controller is electrically connected with the central operation table; in the process of performing an operation on a liver cancer patient, a doctor usually only performs the operation in a blocking state, the blocking requirements of the operation on the blood vessel meet 10-20 min of blocking and 5 min of opening, according to the operation conditions, blood flow blocking is performed on the blood vessel through a traditional method, a ureter, a glove edge and other instruments are used, the first porta hepatis blood vessel is wound, then tightened and blocked, and the first porta hepatis blood vessel is blocked. And after a period of time, the blocked ureter or glove edge is loosened.

The utility model discloses a multifunctional biliary tract internal and external drainage tube combination device applied to a patient suffering from hilum cholangiocarcinoma. A drainage catheter is transited from a shaping area and an elastic cabin area to an internal drainage area to form a cylindrical cone; side holes are formed in the inner drainage area and the shaping area; a marker point is arranged between the inner drainage area and the missile cabin area, the missile cabin area is distributed between the inner drainage area and the shaping area, a one-way valve is arranged at the contact position between the shaping area and the missile cabin area, a hole channel is formed in the outer wall, extending into the marker point from the missile cabin area along the one-way valve, of the missile cabin area, and the hole channel forms a missile cabin in the missile cabin area. The magazine is used for placing radioactive particles; the hard support is used in cooperation with the drainage catheter, the hard support penetrates into the outer drainage area and then is pulled to the end of the inner drainage area, and the curled part of the shaping area of the hard support is straightened. The utility model can realize internal and external drainage and achieve the purpose of local tumor treatment, and is simple and convenient to operate and easy for medical staff to use.

The utility model relates to an automatic adjustment hepatic duodenal ligament portal vein and hepatic arterial blood flow on-off device which comprises a soft rubber sleeve, a handle, a connecting pipe, a first clamping strip, a second clamping strip, a rotating shaft, a flexible wire and a flexible wire control mechanism. The first clamping strip and the second clamping strip are sleeved with the soft rubber sleeve, one end of the connecting pipe is connected to the soft rubber sleeve, the other end of the connecting pipe is connected to the handle, the flexible wire control mechanism is arranged on the handle, the flexible wire is inserted into the connecting pipe in a penetrating mode, one end of the flexible wire is connected to the first clamping strip, and the other end of the flexible wire is connected to the flexible wire control mechanism. According to the utility model, the defects of the existing porta hepatis occlusion technology can be overcome, more accurate, safer and more convenient blood flow occlusion and conduction control can be realized, and the surgical risk and liver injury can be reduced.

The invention relates to the technical field of medical instruments, and discloses a visual biliary tract rotary cutting biopsy expansion system assembly which comprises a conical sleeve, a visual mechanism is fixedly connected to the interior of the conical sleeve, a holding mechanism is installed on the left side of the visual mechanism, a rotary cutting mechanism is installed at the left end of the holding mechanism, and the visual mechanism comprises a cable. The exterior of the cable is fixedly connected to the interior of the conical sleeve, the top end of the cable is fixedly connected with a golden finger, the left end of the conical sleeve is fixedly connected with a protection assembly, the left end of the protection assembly is fixedly connected with a Luer lock cap, and the interior of the protection assembly is fixedly connected with an insertion pipe; a light source is fixedly connected into the protection assembly. The inside of the biliary tract is uniformly and sufficiently illuminated through the light source, a clear observation view is provided for a doctor, the doctor can accurately judge the illness state, and the situation that the positive rate of hepatopathic bile duct malignant stenosis biopsy is not high is reduced.

The invention relates to a porta fibroplaque recognition device, method and equipment, a medium and a program product, and the device comprises an ultrasonic image collection module which is used for transmitting high-frame-rate plane wave ultrasound to a porta hepatis and generating an ultrasonic image based on an echo signal; the portal fibroplaque candidate region positioning module is used for preliminarily dividing the ultrasonic image to obtain a portal fibroplaque candidate region; the porta hepatis fibroplaque region identification module is used for further dividing to obtain porta hepatis fibroplaque regions; the multi-modal quantization parameter extraction module is used for extracting a quantization parameter set from the ultrasonic image based on the porta hepatis fibroplaque region; and the recognition result generation module is used for comprehensively analyzing the quantization parameter set and preset diagnosis reference information, and generating and outputting a porta hepatis fibroplaque recognition result. According to the method, high dependence on personal experience on porta fibroplaque recognition is converted into an objective, quantitative, standardized and efficient automatic auxiliary recognition process, and the recognition accuracy and consistency are improved.

The invention belongs to the technical field of biological medicine, and discloses a portal cholangiocarcinoma postoperative risk prediction model based on a gamma-glutamyltransferase (GGT) dynamic change track and a construction method thereof. The method comprises the following steps: (1) collecting clinical characteristic data and survival characteristic data (including survival time and survival state) of a patient suffering from porta hepatis cholangiocarcinoma subjected to radical resection; 2) on the basis of GGT detection results at different time points in a perioperative period, dividing patients into different GGT dynamic change track types by using a latent category hybrid model; and 3) taking the clinical characteristic data and the GGT dynamic change track type as independent variables, taking survival data as response variables, screening prediction factors through LASSO regression, and constructing a multi-factor Cox regression model, namely a postoperative risk prediction model. According to the method, the dynamic evolution rule of the GGT is introduced, so that the limitation of single-time static detection is made up, the quantitative evaluation of the survival risk is realized, and a scientific basis is provided for individualized treatment and follow-up visit management.

The utility model discloses a kind of hepatic portal obstruction belts, belong to liver operation instrument technical field.The hepatic portal obstruction belt includes obstruction band and lock catch lever, obstruction band is annular belt, and it is made of elastic material, first hole body is equipped on the stem of lock catch lever, obstruction band passes through the first hole body on lock catch lever, and obstruction band is extruded by the inner wall of first hole body.According to the above design, after the end of obstruction band is wound around a circle of hepatic portal, make lock catch lever pass through, then move lock catch lever, hepatic portal can be blocked immediately.Compared with vascular forceps, rubber tube and other instruments, the obstruction belt is blocked by obstruction band and lock catch lever to hepatic portal, on the one hand, it will not cause damage to hepatic portal and surrounding tissue, on the other hand, it is almost not loose after forming obstruction, and the blocking effect is better, and simultaneously, tightness is easy to control, and convenient to operate.

The utility model belongs to the field of medical instruments, and particularly relates to a porta hepatis blocker convenient to observe. The porta hepatis blocker is convenient to use and observe. The blocker comprises a fixing ring, a drawstring, a stop block, an elastic piece and the like, the outer end of the fixing ring is connected with the drawstring, a guide groove is formed in the side, opposite to the drawstring, of the fixing ring, the stop block is arranged in the guide groove in a sliding and sleeved mode, and the elastic piece is connected between the inner side of a groove and the stop block. The scale marks with striking colors are additionally arranged at the tail part of the blocker, so that the tightness of next hepatic portal occlusion can be adjusted according to the effect of previous blood flow occlusion, and proper scales are recorded, and the blocker is flexible and convenient to use; and convex teeth at the inner ends of the stopping blocks are matched with anti-slip strips and elastic pieces at the inner ends of the fixing rings, so that the purpose of clamping and limiting the drawstring at will can be achieved, the excessive drawstring after use can be clamped through the limiting rods, and then the purpose of further reinforcing the drawstring is achieved.

The invention relates to the technical field of clinical medical instruments, in particular to a hepatic portal blocking device for laparoscopic liver resection surgery, which comprises a blocking mechanism, the tail of the blocking mechanism is connected with an adjusting control mechanism through a connecting rod piece, and the blocking mechanism comprises a cylindrical sleeve, a clamping assembly, an extrusion piece, a connecting part and an air bag group. The connecting component is arranged at the tail of the cylindrical sleeve, the tail of the connecting component is connected to the connecting rod piece, the air bag set is connected to the head of the connecting component, the clamping assembly is connected to the air bag set and slidably connected to the front end of the inner side of the cylindrical sleeve, and the extrusion piece is arranged at the outer side end of the clamping assembly. The problems that according to a blocking method of an existing blocking device, due to the fact that operation is inconvenient or blocking is not accurate, bleeding control is not ideal, the blocking effect is poor, the risk of operative complications is likely to be increased, the pressure adjusting capacity is not achieved, adjustment cannot be conducted according to the specific conditions of a patient, the proper blocking mode and force cannot be selected, and the blocking effect is poor are solved. And the adaptability is relatively low.

The utility model relates to the technical field of medical instruments, in particular to a porta hepatis blood vessel blocker which comprises a rope body and a hollow blocker body. The blocker body is provided with a first notch and a second notch, and the first notch and the second notch are symmetrically arranged along the central axis of the blocker body; the rope body is provided with a plurality of positioning pieces which are arranged at intervals and used for being matched with the first notches and the second notches. One end of the rope body is used for being clamped at the first notch through one positioning piece, and the other end of the rope body is used for sequentially penetrating through the first notch and the blocker body, then bypassing a blood vessel, sequentially penetrating through the blocker body and the second notch and finally being clamped at the second notch through the other positioning piece. The blocker is simpler in structure and more convenient to use.

The invention discloses a porta hepatis anatomy and hepatic parenchyma dissection identification method and system based on laparoscope video deep learning. On one hand, the porta hepatis anatomy and hepatic parenchyma dissection identification method based on laparoscope video deep learning comprises the following steps: collecting a recorded video stream data set; performing annotation processing on the video stream data set to obtain a preprocessed video stream data set; performing video clip segmentation and overlapping segment editing processing on the preprocessed video stream data set to obtain target video stream data; and a training operation step identification algorithm is adopted to carry out identification processing on the steps of porta hepatis anatomy and hepatic parenchyma dissection operation in the target video stream data, so that an operation step identification auxiliary result is obtained. On the other hand, the invention provides a porta hepatis anatomy and hepatic parenchyma dissection recognition system based on laparoscope video deep learning. The method has the advantage of being capable of assisting a clinician in formulating an operation scheme so as to reduce the complexity and risk degree of an operation.

The invention discloses a hepatic portal occlusion device capable of automatically adjusting pressure and timing and alarming, which belongs to the technical field of hepatic portal occlusion and comprises a tightening occlusion end component and a main tube component connected with the tightening occlusion end component to form an integral structure. The tightening and blocking end part is used for surrounding the target position of the porta hepatis blood vessel and achieving automatic tightening or releasing according to preset pressure. An automatic gear folding and unfolding structure and an end pressure sensor are arranged in the device, tightening operation can be driven, and pressure can be monitored in real time. And the main body pipe part is used for supporting, fixing, tightening and blocking the end part and is provided with at least one pressure sensor connected with the end pressure sensor, so that a dual-detection protection mechanism is formed, and accurate pressure control and safety are ensured. In addition, the device further has a timing alarm function, automatic prompting and alarming can be achieved within preset time, and damage caused by excessive blocking is avoided. The device is compact in structure and easy and convenient to operate, the accuracy and safety in the hepatic portal blocking process can be effectively improved, and wide clinical application prospects are achieved.

The invention relates to the technical field of medical instruments, in particular to an intraoperative accurate blocking hepatic portal blocking device which comprises an external shell, two positioning openings are formed in the lower end of the external shell, a binding ring is rotatably installed in the two positioning openings, a notch is formed in the binding ring, an internal cavity is formed in the binding ring, and the internal cavity is communicated with the external shell. An air bag ring is arranged in the built-in cavity, a driving device used for rotating the binding ring is arranged in the external shell, arc-shaped grooves are formed in the front end and the rear end of the external shell respectively, positioning rods located in the corresponding arc-shaped grooves are fixedly installed at the front end and the rear end of the binding ring respectively, and a pneumatic assembly is arranged at the upper end of the external shell. The hepatic portal tissue is completely extruded and blocked through the air bag ring, bleeding in an operation can be effectively reduced, the liver function can be protected, due to the fact that the air bag ring is adopted to extrude the hepatic portal tissue, the extrusion force can be effectively controlled, damage to the hepatic portal tissue is reduced, and operation is more convenient.

A laparoscopic hepatic portal occlusion device is provided, which includes an occlusion belt, a tightening buckle and a filling element. An expansion element is mounted on a side of the occlusion belt. A pressure sensor is mounted at a lower end of the tightening buckle. A fixed end of the occlusion belt is mounted on a mounting side of the tightening buckle. A through hole is formed in a side wall, opposite to the mounting side, of the tightening buckle. A free end of the occlusion belt passes through and is locked at the through hole to form an annular structure in which the expansion element is located. An end of the filling element communicates with the expansion element, the other end located outside a body. The filling element fills the expansion element with filling material to expand the expansion element which presses the pressure sensor after expansion.

The application belongs to the field of medicine, and particularly relates to a traditional Chinese medicine compound suppository for treating diabetic nephropathy and a preparation method thereof. The traditional Chinese medicine compound for treating diabetic nephropathy comprises the following components in parts by weight: 15-30 parts of verbena, 30-60 parts of astragalus, 10-20 parts of siler, 10-20 parts of notopterygium, 15-60 parts of caulis spathulatae, 15-60 parts of giant knotweed, 10-30 parts of yizhi, 15-30 parts of acer truncatum batal, 15-30 parts of pteridium aquilinum, and 3-10 parts of borneol. The compound liver portal suppository prepared from the traditional Chinese medicine compound can treat the root and the branch, can significantly improve kidney function, can improve various clinical indexes of patients with diabetic nephropathy, and has a significant treatment effect.

The utility model discloses a novel hepatic portal blocking device which comprises a silica gel hose, a shell and a pressing assembly, the pressing assembly is arranged in the shell, the shell and the pressing assembly are coaxial, the shell and the pressing assembly are connected through a spring, the pressing assembly can move up and down in the shell, the silica gel hose penetrates through the shell and the pressing assembly, and the silica gel hose penetrates through the shell and the pressing assembly. The spring enables the shell and the pressing assembly to clamp the silica gel hose, and the silica gel hose is filled with liquid. The silica gel hose is extruded through the shell and the pressing assembly, the shell and the pressing assembly are moved, the sterile liquid is extruded to move forwards, so that the silica gel hose expands and extrudes the hepatic portal, the structure is simple and ingenious, operation of medical staff is facilitated, exposure of the visual field under an endoscope is not affected, the device can be used for open surgery and laparoscopic surgery, operation is easy, and safety and effectiveness are achieved. And the requirement of blocking blood flow in a liver operation can be met.

1. The name of this design product: Self-locking bidirectional adjustable portal obstruction hemostasis device. 2. Application of the product with this appearance design: It is suitable for tightening and blocking blood vessels or tissues to stop bleeding during laparoscopic partial liver or spleen resection surgery, and for removal after surgery. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention relates to a pair of hepatic portal blocking forceps. After the nitrided stainless steel hepatic portal blocking clamp is subjected to vacuum annealing, the cooling rate greatly affects the corrosion resistance of the stainless steel hepatic portal blocking clamp. Researches show that when the cooling rate is 2.5 DEG C / min-6. 3 DEG C / min, the self-corrosion current density of the hepatic portal occlusion clamp can be lower than 2 [mu] A.cm <-2 >, and the service life of the hepatic portal occlusion clamp is remarkably prolonged.

The utility model relates to a hepatic portal blocking belt for laparoscopic liver resection, which comprises a silicone tube, the silicone tube is provided with a first end and a second end, the first end and the second end are both closed, a hose which penetrates through the first end of the silicone tube and is used for inflating the silicone tube is embedded in the silicone tube, the second end of the silicone tube is provided with a fixing buckle, and the fixing buckle is fixed on the silicone tube. The first end of the silicone tube penetrates through the fixing buckle to form a P-type blocking belt, and the fixing buckle is used for pressing and releasing the silicone tube. The hepatic portal is blocked and removed by inflating and deflating the silicone tube, blocking is completed after high-pressure gas is inflated, blocking is removed after deflation, blocking is more convenient to remove in the mode, the risk of hurting organ tissues is smaller, the fixing buckle is used for adjusting the length of the silicone tube and fixing the silicone tube, the hose is arranged to form an inflating and deflating channel, and the silicone tube is more convenient to use. The silicone tube can still be inflated and deflated after being flattened and fixed.

The utility model discloses a porta hepatis blood flow blocking device which comprises a blocking hose, an elastic supporting piece, a first connector and a second connector, the blocking hose is provided with a first end and a second end which are opposite to each other, the first connector is connected to the first end, the second connector is connected to the second end, and the elastic supporting piece is arranged on the blocking hose. The second connector is detachably connected with the first connector, so that the blocking hose forms an annular structure; the elastic supporting piece is arranged in the blocking hose and is used for supporting the blocking hose in the blocking hose; the blocking hose is provided with a gas guide hole, and the gas guide hole is used for guiding the gas to enter the blocking hose so as to inflate the blocking hose. According to the porta hepatis blood flow blocking device, the elastic supporting piece arranged in the blocking hose is used for supporting and providing supporting force in the blocking hose, the supporting force is matched with the air pressure force applied in the inflation process of the blocking hose, and therefore the blocking pressure is stable.

The utility model discloses a radioactive balloon drainage tube for biliary tract, which relates to the technical field of medical auxiliary equipment and comprises a drainage tube main body, a catheter, a balloon and two supporting mechanisms, the catheter is movably arranged in the drainage tube main body, the balloon is arranged on the peripheral wall of the drainage tube main body, and the two supporting mechanisms are further arranged on the peripheral wall of the drainage tube main body. Each supporting mechanism comprises a plurality of elastic supporting pieces, a plurality of strip-shaped holes are formed in the peripheral wall of the drainage tube body, one end of each elastic supporting piece is connected with one side of the corresponding strip-shaped hole, and the other end of each elastic supporting piece penetrates through the corresponding strip-shaped hole and is connected with the catheter. The supporting mechanism can be contracted and can also be opened, and when the supporting mechanism is opened, the supporting mechanism can abut against the inner wall of the biliary tract, so that the position of the drainage tube body is fixed, and the anti-skid effect is achieved; through the arrangement of the balloon, radioactive substances are injected into the balloon, so that internal irradiation treatment can be performed on bile duct tumors, and effective and minimally invasive treatment is provided for portal hepatopathy and extrahepatic bile duct tumors which cannot be operated.

The application discloses a focused ultrasound stimulation system and a control method for regulating liver metabolism, and the system comprises a focused ultrasound transducer, a robot positioning module, an image navigation module and a control module. The image navigation module acquires an ultrasound image of a target region, identifies feature points of a hepatic portal region and generates target point coordinates. The robot positioning module carries and moves the focused ultrasound transducer. The control module controls the robot positioning module to dynamically move the focused ultrasound transducer according to the real-time updated target point coordinates, so that the focal domain of the focused ultrasound transducer coincides with the target region, and controls the focused ultrasound transducer to output low-intensity focused ultrasound. The application also provides application of low-intensity focused ultrasound in preparation of a device for treating non-alcoholic fatty liver disease. The system realizes non-invasive physical regulation of liver metabolism, effectively improves lipid deposition and inflammation state, and has the advantages of automation, precision and repeatability.

The quantitative hepatic portal blocker comprises a tube body, a blocking belt, a connecting piece, a force measuring piece and an adjusting piece, the connecting piece, the force measuring piece and the adjusting piece are all arranged in the tube body, the connecting piece and the adjusting piece are connected through the force measuring piece, one end of the blocking belt is fixedly connected to the connecting piece, and the other end of the blocking belt is fixedly connected to a port of the tube body; the adjusting piece drives the connecting piece to move by driving the force measuring piece to move, so that the middle part of the blocking belt is tightened after one end of the blocking belt moves; according to the invention, quantitative torsion can be applied to hepatic portal occlusion.

The utility model provides a Zhengshi porta hepatis blocking belt, and relates to the technical field of medical instruments, the Zhengshi porta hepatis blocking belt comprises a traction end and a blocking end, the traction end is arranged on the blocking end, the blocking end is divided into a movable part and a supporting part, and the movable part penetrates through the interior of the supporting part and is used for carrying out porta hepatis blocking work; the long arm and the short arm are hollow sleeves, one end, far away from the short arm, of the long arm penetrates through the short arm, a clamping ring is formed between the long arm and the short arm, the inner diameters and the outer diameters of the long arm and the short arm are the same, and the two ends of the traction ring are connected with the surfaces of the two ends of the short arm respectively; the traction end comprises a traction ring which is semicircular; according to the technical scheme, the T-shaped long arm and the T-shaped short arm are arranged, when one end of the long arm penetrates through the interior of the short arm, a clamping ring used for clamping a blood vessel is formed between the long arm and the short arm, the outer wall of the long arm can be tightly attached to the inner wall of the short arm, and the long arm is prevented from sliding out of the interior of the short arm.

The invention belongs to the technical field of medical instruments, particularly relates to a blood vessel blocking device used in cooperation with a laparoscope and a method of the blood vessel blocking device, and aims to overcome the defects that in the prior art, when a porta hepatis blood vessel is blocked, operation is troublesome, and when the blood vessel is blocked and clamped, the position of the blood vessel cannot be accurately positioned. A bottom tube is fixedly installed on one side of the top of the bottom plate, the bottom plate and the bottom tube are connected with the same fixing mechanism, and a fixing ring is fixedly installed at the top end of the bottom tube. After the blocking mechanism is inserted into the abdominal cavity of a patient, under the guidance of a video, a designated area of a blood vessel can be clamped, blood in the blood vessel can be rapidly blocked, and the blocking effect is good. In actual use of the device, the blocking mechanism can be stably supported, and the position of the blocking mechanism can be adjusted, so that blood vessels can be conveniently and stably clamped and blocked when medical staff are assisted in laparoscopic surgery.

The invention discloses an application of CA170 in preparation of a medicine for treating echinococcus multilocularis, and aims to realize effective treatment on echinococcus multilocularis infection. C57 / 6J mice infected by hepatic portal veins for 40 days through alveolar coccosis serve as research objects, CA-170 micromolecules are orally administrated, the dosage of CA-170 in the medicine is not lower than 10 mg / kg, the CA-170 is treated once every three days for one month, and the drug effect of CA-170 on protoscolex cystic development and focus growth in the bodies of the echinococcus multilocularis infected mice is detected. Results show that compared with a solvent control group, in-vivo focuses of mice in a CA-170 treatment group are reduced, and the number and the weight of echinococcosis cysts are remarkably reduced, indicating that CA170 shows a good effect in the aspect of resisting echinococcosis multilocularis infection, and can reduce the proportion of MDSC caused by the infection and relieve liver injury caused by the infection. According to the application scheme provided by the invention, technical support is provided for efficiently preventing and treating the echinococcosis multilocularis, and a foundation is laid for clinical treatment of the CA-170 on the echinococcosis multilocularis.

The invention discloses a porta hepatis blocking device, and particularly relates to the field of medical instruments, the porta hepatis blocking device comprises a porta hepatis operation blocking belt, two groups of connecting cavity tubes are symmetrically connected to the outer wall of the porta hepatis operation blocking belt, a protective ring is wound on the outer wall of the porta hepatis operation blocking belt, and the two ends of the protective ring are fixedly connected to the two groups of connecting cavity tubes; one end of the porta hepatis operation blocking belt is fixedly connected with a plurality of groups of anti-separation blocks, the other end of the porta hepatis operation blocking belt is provided with an auxiliary opening, a limiting guide pad is embedded in the auxiliary opening, a middle wrapping layer is arranged in the outer wrapping layer in a flexible bonding manner, and an inner wrapping layer is arranged in the middle wrapping layer in a flexible bonding manner; and through the design of a multi-layer composite material, the flexibility, the wear resistance and the biocompatibility are ensured. The design of the drop-shaped protrusions provides an anti-skid effect, and the granular protrusions of the insert enhance the fixity. The whole structure improves stability and safety in an operation, and has the advantages of being easy to operate and high in durability.

The utility model relates to medical instrument technical field discloses a visible pressure's blood vessel blocking belt, including blocking belt main part, blocking belt main part one end fixedly connected with visible pipe section, the other end fixedly connected with the plug -in head of visible pipe section, the periphery of visible pipe section is equipped with the observation slot of opening, the pressure measurement component is set up between blocking belt main part outer surface and the inside of visible pipe section. In the utility model, through pressure measurement component, utilize the first water bag of blocking belt main part outer surface soft glue transparent capsule structure to paste and bind the blood vessel of liver portal department liver blood flow, under the binding effect, the colored measurement liquid in the first water bag passes the connecting pipeline and enters the second water bag with the measurement scale, and medical staff can observe and judge the blocking belt binding pressure through the observation slot of visible pipe section, so that can select different blocking pressure according to different case types, and further satisfy more individualized, fine operation demand.

The present invention discloses a system and method for improving the quality of life in canines and other domesticated animals. As animals age testosterone and other supportive hormones diminish causing reduced activity, a lack of mobility, decreased bone density, and general well-being. Precursor compositions are selected and designed for the purpose of formulating non-toxic therapeutic hormone supplements for oral consumption. The process and method of this invention is comprised of therapies produced from two or more selected non-toxic prohormones that combine during digestion and delivered through a chewable and edible gummy treat. As such there is no requirement for changing the subject's current diet. The present invention features a continuous low dose supplementation to be incorporated daily whereby dosages are correlated according to the subject's age, weight, sex, and breed. The beneficial results of the present invention are achieved through the absorption of the prohormones in the composition into the bloodstream effecting delivery to all cells including those specific cells where the conversion enzymes are activated by the organism's needs. The delivery and transport of inactive prohormones minimizes liver toxicity since the precursors are carried through the hepatic portal system to and through the liver and into general circulation in inactive forms.