99 results about "Paracentesis" patented technology

The present subject matter relates to medical training methods and models. In one embodiment, the invention provides for devices and methods of training paracentesis procedures. In another embodiment, the subject matter provides for devices and methods of training thoracentesis procedures. In yet another embodiment, the present subject matter provides for a training methods and model for performing lumbar punctures.

A paracentesis needle holder attachable to an ultrasonic probe is provided. The holder includes a needle guide, an adjustment mechanism, and an open / close mechanism. The needle guide includes a first base and a second base and is configured to guide a needle in a plurality of directions between the first and second bases. The adjustment mechanism is provided at the needle guide and configured to adjust spacing between the first base and the second base in accordance with a diameter of the needle. The open / close mechanism is coupled with the needle guide and configured to close the first and second bases so that the needle is guided in one of the directions and to open the first and second bases so that the needle becomes releasable from the holder.

An ultrasound probe for paracentesis with a biopsy needle attached to a probe body, which permits an operator to insert the biopsy needle into an exact position of a patient, is to be provided. An ultrasound probe for paracentesis comprising a probe body and a biopsy needle attached to the probe body, wherein the center of an acoustic elements array provided in the probe body is offset toward the biopsy needle attached to the probe body with respect to a central vertical line of the probe body.

The invention relates to an ultrasonic induction surgery center which can be used by a single hand and an anesthesia monitoring device. The ultrasonic induction surgery center and the anesthesia monitoring device comprise an ultrasonic probe (1) and a hand-hold part (4), wherein, the ultrasonic probe (1) is positioned at the front end of the hand-hold part (4); the ultrasonic induction surgery center and the anesthesia monitoring device are characterized in that a display screen (5) of ultrasonic equipment is arranged at the rear end of the hand-hold part (4). The ultrasonic probe and the display screen or an integrated design of a miniaturized type-B ultrasonic help the doctors to carry out the operation and the observation in a way that the hands and the eyes are along the same direction when in actual use, more particularly, when being applied in the motion coordination such as anesthesia and paracentesis, etc. as well as in monitoring with extremely high requirements on the precision, so as to ensure the doctor to observe the ultrasound pattern more conveniently and directly; the doctor can directly observe the operational motion of the hands and the ultrasound real time imaging within the range of observation of the visual field right ahead, thereby being beneficial to the operation of the doctor, reducing the possibility of having misoperation, greatly improving the success rate of surgery in clinical work and reducing the incidence rate and the mortality rate of complicating disease of patients.

The invention relates to the field of otolaryngological medical equipment, in particular to a medical device for tympanocentesis and intratympanic injection and mainly aims to solve the technical problem of puncture pain intensification caused by medicine backflow resulted from two pores formed in secondary needle insertion for medicine injection after paracentesis in the prior art. The technical scheme mainly includes that the medical device for tympanocentesis and intratympanic injection comprises a first puncture device, a second puncture device, a suction device and an injection device; the first puncture device comprises a puncture needle and a first connector; the second puncture device comprises an injection needle and a second connector; the suction device comprises a negative pressure mechanism and a second connector; the injection device comprises an injector and a fourth connector. When the medical device is in a first use state, the third connector of the suction device is connected with the second connector of the second puncture device. When the medical device is in a second use state, the fourth connector of the injection device is connected with the second connector of the second puncture device.

A puncturatio intelligent positioning system under the guidance of CT consists of a working system with the puncturatio path software concentrated on the inner part, a main controller and an actuator, wherein, the working system is connected with the main controller bidirectionally, the working system is formed by connecting the image collector and the image processor sequentially, the actuator consists of a supporting frame, an X-shaft actuator, a Z-shaft actuator and a guide puncturatio device. The invention has the advantages that: 1. the accuracy of puncturatio operation is largely improved, the possibility of the puncturatio of dissecting the more complex part is provided, the suitable scope of the CT guiding the puncturatio is largely enlarged, therefore, the diagnosis and treatment of some disease are largely simplified, the pain of the patient is reduced, the medical cost is reduced at the same time; 2. the invention has simple structure and convenient operation.

The invention discloses a method for establishing a domestic rabbit atherosclerosis model, wherein the method includes high-lipidation processing on a domestic rabbit basic feed and intravenous injection of bovine serum albumin, also includes combined use of a vagina vasorum and a forcemeter for making domestic rabbit artery blood vessel endothelium injured, and particularly includes the following steps: carrying out paracentesis on a middle-lower segment of a femoral artery by 21G radial artery puncture needles; after the paracentesis is successful, inserting into a radial artery sheathing canal with the depth of 5 cm with the help of a guide wire; followed by, carrying out intravenous injection of 200 U / kg of heparin at an ear edge; after pulling out the guide wire, fixing a fine line at the tail end of the vagina vasorum, making the other end of the fine line connected with the forcemeter, allowing fingers of a left hand of an operative doctor to draw close to each other and press a femoral artery part internally containing the vagina vasorum, allowing a right hand to hold the forcemeter to pull out the vagina vasorum to 4 cm, and allowing the left hand pressing force to be 10 N displayed in the forcemeter as a degree, so as to cause vascular endothelial injury. The invention aims to provide the modeling method for the domestic rabbit atherosclerosis model, wherein the modeling method is short in period, strong in operability and relatively low in cost.

An X-ray generating apparatus for paracentesis of the present invention has an electron emitting portion arranged in an envelope, and a target that emits X-ray by irradiation with electrons that are emitted from the electron emitting portion, and irradiates an affected part in a living body with the X-ray which have been emitted from the target. The apparatus can adjust a region to be irradiated with X-ray, and thereby enables the affected part to be more effectively and efficiently treated with X-ray.The apparatus also includes a front shield which is provided so as to protrude to the outside from the envelope and has an opening that forms a passage of the X-ray which irradiate the affected part, and can adjust a region to be irradiated with X-ray which irradiate the affected part, by the exchange of the front shield.

An ultrasound diagnostic apparatus includes an ultrasound probe, an image producer, a monitor, a position designating unit for designating a target position when paracentesis is performed, an insertion position calculating unit for calculating an insertion position from information on the target position designated by the position designating unit and a predetermined insertion angle and an insertion position display unit for displaying the insertion position calculated by the insertion position calculating unit. The ultrasound diagnostic apparatus ensures that a puncture needle inserted from a position away from an ultrasound probe to reduce the insertion angle so as to be imaged at a higher definition can also reach a target site.

An organism paracentesis device comprises a first tube member and a second tube member. The first tube member comprises an injection tube filled with a medicament, a piston and a first syringe needle. The second tube member comprises a sampling tube and a second syringe needle. Both ends of the second syringe needle are in the form of syringe needle. Using one end of the second syringe needle to penetrate a cover of the sampling tube which is vacuumed, such that the second syringe needle's the other end which is penetrating into an organism will extract a sample from the organism because of the vacuumed sampling tube. The medicament filled in the injection tube is ejected both when the first and second syringe needles are penetrating into and pulled out of the organism, so as to avoid the cells of sampled organism being spread to other places.

The invention relates to a thorax paracentesis seat which comprises a seat surface, seat legs, a seat backrest with two lateral lower parts respectively provided with a concave hole, an arm bracket and a lift device. The lower end of the seat backrest is connected with the upper end of the lift device. The lower end of the lift device is connected with the upper parts of the seat legs. One end of the arm bracket is articulated with the top of the backrest. The thorax paracentesis seat has the advantages that the thorax paracentesis seat can ensure that the patient sits just on the same chair no matter during B-ultrasonography positioning or during the centesis, the protothorax and the abdomen are clung to an arc chair back, and a B-ultrasonography positioning point does not have any offset, thereby ensuring the accuracy and the safety of the centesis. The chair back is provided with a wide soft arm bracket, thereby solving the problem that the patient is tired easily during the operation and also being capable of testing the blood pressure of the patient to carry out venous transfusion. When the patient sits on the chair, the protothorax and the abdomen can be clung to the arc chair back, therefore, the patient feels very comfortable.

The invention provides a precision stereoscopic positioner for minimally invasive paracentesis of intracranial hematoma. The precision stereoscopic positioner comprises a positioning device and a positioning belt. The positioning device comprises a support, a sliding part and a reference rod, the support comprises a top plate, a bottom plate and a connecting plate, the top plate opposite to the bottom plate is provided with a sliding hole and an angle positioning scale line, and the bottom plate is provided with three first reference rod positioning holes along the sliding hole and three firstdrainage tube positioning holes corresponding to the first reference rod positioning holes. The sliding part is mounted on the top plate through a bolt and is provided with a second reference rod positioning hole and a second drainage tube positioning hole at an interval, one end of the reference rod is inserted into the corresponding first reference rod positioning hole, the reference rod penetrates the sliding hole and the second reference rod positioning hole, and the positioning belt is mounted on the support. The precision stereoscopic positioner is capable of improving puncturing accuracy of the minimally invasive paracentesis of intracranial hematoma. The invention further provides a puncture positioning system for minimally invasive paracentesis of the intracranial hematoma.

The invention discloses a kind of demonstrator for vein paracentesis, which includes a simulating demonstrator, a simulative vessel, and a vessel cork, a connector for the simulative vessel and the perfusion tube and the perfusing device. The board is made up of silicon rubber with the same color to the skin; there has four hollow cavities with different colors in the centre of the board. Four baby blue simulative vessels with different diameters are set in the hollow cavities. There have eight corks set at two ends of the simulative vessels. One end of the connector is connected to the simulative vessel; another end is connected to the pin of the perfusing device. The perfusing device is made up of a normal perfusing bag and a perfusing device without pin.

The invention relates to a universal abdominal paracentesis device. A paracentesis shell (15) is arranged at the rear end of a shell (12); and a paracentesis needle (1) passes through a sealing assembly from the front end of the shell and extends into the paracentesis shell. The device is characterized in that: a ball-shaped connecting piece (7) is fixedly connected with the front end of the shell (12), and a through hole of the ball-shaped connecting piece is matched with the paracentesis needle; and the ball-shaped connecting piece (7) and a ball cup (4) form the universal flexible connection, the front end of the ball cup (4) is connected and matched with a gland (2), and an elastic sealing part (3) is arranged between the ball cup and the gland and is in seal fit with the periphery ofthe paracentesis needle. The universal connection is formed through the ball-shaped connecting piece; and when a medical apparatus is inserted into the abdominal cavity and rotates, the elastic sealing part can rotate along with the medical apparatus to ensure that the elastic sealing part forms effective sealing at the periphery of the medical apparatus and cannot be deformed due to the rotationof the medical apparatus, so that the leakage of gas is avoided.

The present invention discloses a disposable negative-pressure anterior chamber Paracentesis syringe which belongs to the technical field of medical supplies. It comprises nine parts, including a needle cap, a Paracentesis syringe, a needle base, an internal needle, a protective cover of the internal needle, an airlock, a needle tube, a collection tube and a collection tube rack. The invention has the advantages that it fixes the Paracentesis syringe during puncture and limits the depth of the needle insertion, releases the aqueous humor slowly to prevent a sudden drop of the intraocular pressure, reduces the risk of the intraocular infection by separating the anterior chamber from outside and the collection tube can collect and store the aqueous humor directly.

The present invention relates to an improved method for the treatment of hypovolaemia or hypotension associated with therapeutic paracentesis, which method is characterised by the use of a peptide according to general formulae (I) or a salt thereof, wherin Asn, Cys, Gln, Gly, Phe and Pro represent the amino acid residues asparigine, cysteine, glutamine, glycine, phenylalanine and proline respectively; Phe(X) represents a phenylalanine residue optionally substituted at the 4-position of the aromatic ring by a group selected from methyl, ethyl, hydroxy and methoxy; Y represents a group —(CH2)a—NH-Q, where a is 2–5 and Q is H or C(═NH)NH2; and R represents a chain of between two and for αalpha-amino acid residues, at least one of which is glycine, as the active agent. The invention also provides uses of the peptide and pharmaceutical compositions.

The invention belongs to the field of medical teaching appliances, and relates to a teaching model used for antenatal diagnosis paracentesis training. The model comprises a model body, an assembly mechanism and an observation mechanism, wherein the model body comprises a uterus model body, a bracket, an inferior belly model body, a superior belly model body, an umbilical cord model body and a uterine cake model body. The teaching model used for antenatal diagnosis paracentesis training has the advantages that various paracentesis operation processes in the antenatal diagnosis can be simulated,so that a practicer can really master chorionic villi sampling, amniocentesis, umbilical veins paracentesis and other pregnancy check-up paracentesis training.

The invention discloses an antenatal diagnosis examination device for clinical use in the obstetrics and gynecology department. The device includes a cabinet, an ultrasonic detector is fixed to the bottom surface of the cabinet, and a processor and a control switch are installed at the upper surface of the cabinet. The antenatal diagnosis examination device for clinical use in the obstetrics and gynecology department is simple in structure, and through arrangement of rolling wheels and a handle, the device is convenient to move; a patient can be examined under the cooperation of a hospital bed; ultrasonic detection can be conducted on the patient through the ultrasonic detector, and the antenatal diagnosis examination device can be applied to evaluation of the gestation age, sex determination of uterine pregnancy, placenta locating and multiple pregnancy determination and find out structural anomaly correlative to chromosomes, metabolism and molecular genetics; the position of an ultrasonic probe is adjustable to provide convenience for use, and meanwhile, puncture needles can be adopted for carrying out puncture work under the guidance of an ultrasonic image, so that an amnion cavity paracentesis can be conducted, screening detection is carried out on multiple kinds of typical diseases, one user can complete all the operation above, the device is convenient to operate, and thework difficulty of medical staff is reduced.

The invention relates to a puncturing instrument, which comprises a puncturing needle and a guide wire, wherein the puncturing needle is used for puncturing the human body and forming a puncturing channel in the human body; the guide wire is suitable to be sent into the human body along the needle tubing of the puncturing needle and is left in the puncturing channel to serve as a puncturing guide piece for the next time after the puncturing needle is pulled out. The use method for the puncturing instrument comprises the following steps: putting the core of the puncturing needle into the puncturing needle to form into a whole; puncturing a patient; after the puncturing needle reaches a proper position, pulling out the core of the puncturing needle for drainage; after the drainage is finished, sending the front part of the guide wire into the human body along the tail end of the needle tubing of the puncturing needle; pulling out the puncturing needle, covering and fixing the guide wire on the body surface of the human body by aseptic dressing; during secondary puncturing, causing the puncturing needle to reach the puncturing position along the guide wire. The puncturing instrument disclosed by the invention is suitable for patients who need to receive paracentesis for multiple times, one-time success of the subsequent puncturing is guaranteed when the puncturing instrument is used, somatic damage and psychological burden caused by multi-time puncturing to the patient can be avoided, and complications, such as headache, lumbago and the like, are greatly reduced.

The invention relates to the field of biotechnology, especially to a detection kit of a novel target PNC for detection of tumor invasion and application thereof. The first detection antibody of the PNC detection kit for detecting tumor invasion is a PTB or CUG-BP1 antibody. The invention describes composition and application methods of a PNC immunohistochemical detection kit and a PNC immunofluorescence detection kit used for detecting tumor invasion. Furthermore, the invention also provides a method for screening a novel anti-metastasis compound and a Chinese herbal medicine monomer thereof; and the method for screening the novel anti-metastasis compound is also applicable to screening of small molecule compounds and Chinese herbal medicine monomers thereof. According to the invention, the proportion of PNC in a tissue sample of a cancer patient obtained through paracentesis is detected by using the PNC kits, so detection is simple and convenient, is easy to operate and has good stability; the proportion of PNC in tumor cells which have been affected by the compound is detected by using the PNC kits, computer programming and analysis are cooperatively used, so high throughput screening of a novel drug is realized.

The invention relates to a method for improving low ovarian response in patients with polycystic ovary syndrome by transvaginal small follicle puncture. The method comprises case inclusion, measurement indicators, and standard operating procedures; The case inclusion comprises inclusion criteria and exclusion criteria; The measurement indicators comprise main research indicators, follicular fluidanalysis time, secondary research indicators, serum and follicular fluid analysis time, and safety indicators; The standard operating procedures comprises a clinical ovulation promotion protocol and aTVOD method. The advantages of the method of the invention are as follows: the method of COS for improving the low ovarian response in patients with PCOS can be performed on the day after the IVF ovulation promotion cycle immediately, and the effect of COS for improving the low ovarian response in patients with PCOS on the day after the IVF treatment cycle can be evaluated, and the underlying mechanisms can be studied.

A needle guide holder, which is used for a fixing medical puncture needle and a ultrasonic probe, comprises a holder body (1a, 1b) and a fixing device (2a, 2b) used in cooperation with the holder body (1a, 1b). The fixing device (2a, 2b) is mounted onto the holder body (1a, 1b) and provided with a weakening portion (23a, 23b). The needle guide holder is designed to be disposable, thereby avoiding the possibility of cross-infection caused by using the same needle guide holder on different patients. The needle guide holder can be used on one and same patient to perform a number of treatments just through the replacement of a sliding frame and without replacing the fixing device and a fixing frame. In a treatment process, the puncture needle is left in the body for a subsequent treatment, while the needle guide holder and the ultrasonic probe can be removed from the human body.

The invention discloses a copper-niobium alloy for a medical biopsy puncture needle, a needle core and / or a needle tube of the puncture needle are / is made of the copper-niobium alloy, and the copper-niobium alloy comprises, by mass, 5 < = Nb < = 15, and the balance of Cu. The copper alloy with the design components is obtained by combining the diamagnetic material Cu and the paramagnetic Nb, and compared with existing medical stainless steel and titanium alloy, the numerical value of the magnetic susceptibility is greatly reduced, and particularly, the artifact area and the artifact volume are obviously reduced. And meanwhile, the blank of application of the copper alloy to medical biopsy paracentesis is filled.

The invention relates to a special puncture needle for thyrocricoid puncture and belongs to the technical field of medical appliances. The special puncture needle is characterized by comprising a special injector, a puncture support and a damping fixing ring, wherein the puncture support comprises a support outer frame, a left support arm, a right support arm and a puncture fixing ring, the support outer frame comprises an upper frame body and a lower frame body, a puncture plug hole is formed in the puncture fixing ring, and an annular fixing ring groove is formed in the upper part of the puncture plug hole; the damping fixing ring comprises a ring body with a damping inner hole, and an annular retarding flange is arranged at the upper part of the ring body; when the damping fixing ring sleeves a puncture needle tube, the damping inner hole can tightly wrap the external wall of the puncture needle tube; and when the puncture needle tube is inserted into the puncture plug hole, the external wall of the ring body of the damping fixing ring can fill and plug up the fixing ring groove. The special puncture needle can be used for assisting implementation of thyrocricocentesis, the success rate of the thyrocricocentesis is increased, and injury to sufferers is avoided.

The invention relates to a special operation table for pleural effusion paracentesis, and belongs to the technical field of medical instruments. The special operation table for pleural effusion paracentesis consists of a base, a supporting rack, a seat plate and a backrest, wherein a rotating shaft is mounted in the backrest through a bearing block; lead screws are separately mounted in the backrest through bearing blocks and positioned on the upper part and the lower part of the rotating shaft; a driving gear is fixedly mounted on the rotating shaft; driven gears are separately and fixedly mounted on the lead screws on the upper part and the lower part of the rotating shaft; the driving gear is connected with the driven gears in an engaged manner; and a hoop is mounted on the backrest andpositioned between the rotating shaft and a lower sliding hole. By an arm support on the hoop of the operation table, surgical operation of medical staffs can be facilitated, and the problems that apatient difficultly maintains a standard posture for thoracocentesis for liquid draining, both arms of a medical worker are suspended in an operation process of pleural effusion paracentesis, and smooth pleural effusion paracentesis is affected to a certain degree are solved. The operation table has the characteristics of simple structure and good practicality, and is particularly suitable for pleural effusion paracentesis.

The invention relates to a medicine used for treating decompensated liver cirrhosis, and a preparation method thereof. Currently, decompensated liver cirrhosis is treated by liver protection, human plasma albumin and diuretic intravenous supplement, repeated ascites paracentesis, and the like. The treatment course is long, and treatment effect is poor. The medicine provided by the invention comprises: Mongolian milkvetch root, largehead atractylodes rhizome, swordlike atractylodes rhizome, agaric, florist's chrysanthemum, Asiatic plantain seed, common yam rhizome, ginseng, stir-fried malt, stir-fried medicated leaven, salvia miltiorrhiza, radix saussureae, hawthorn fruit, dandelion, mix-fried scale, mix-fried turtle shell, peach seed, rhubarb, composite protein powder, lecithin vitamin E, and colostrum capsules. The medicine provided by the invention is used for treating decompensated liver cirrhosis diseases. The medicine has the functions of hard mass softening, stasis removing, spleen invigorating, and dampness removing. Through liver protection, dieresis, and nutritional immunology effect improving, ascite is discharged. The medicine has a good treatment effect against decompensated liver cirrhosis after alcoholic hepatitis or viral hepatitis.

The invention discloses a chest model capable of being used for percutaneous pulmonary nodule puncture under CT imaging guidance, which comprises a simulated human chest model and a pulmonary nodule model, the simulated human chest model is provided with skin, fat, muscle tissue, pleural membrane and lung tissue in a simulated manner from outside to inside, the simulated human chest model is internally provided with a cardiovascular system and a skeleton system in a simulated manner, the pulmonary nodule model is embedded in lung tissue, a training doctor can carry out whole-course, full-simulation, repeated and multi-part needle biopsy training of CT-guided percutaneous paracentesis with the model, the practical ability of the needle biopsy is rapidly improved, the basic operation skill of the CT-guided percutaneous pulmonary nodule paracentesis is mastered skillfully, the success rate is increased, the risk is reduced, the medical level is improved, the problem of practical training of CT-guided percutaneous puncture biopsy in various hospitals at present is solved, the medical safety is guaranteed, the medical diagnosis and treatment level is promoted, and the CT-guided percutaneous puncture biopsy model is scientific, practical and suitable for standardized promotion and popularization of CT-guided percutaneous puncture.