30 results about "Vacuum aspiration" patented technology

An instrument and technique for the removal of epidermal layers in a controlled manner utilizing a hand-held instrument with a working end that (i) a vacuum aspiration system, (ii) a source for delivery of a sterile fluids or pharmacological agents to the skin; and (iii) a skin interface surface in the working end that has specially shape structure for abrading surface layers of the patient's epidermis as the working end is moved over the patient's skin while at the same time causing rapid penetration of the fluids into the skin for therapeutic purposes. Movement of the working end across the skin causes abrasion of the surface layers in a path over the patient's skin. The method of the invention may be used in a periodic treatment for the removal of superficial skin layers that enhances the synthesis of dermal collagen aggregates by inducing the body's natural wound healing response. The method of the invention creates more normal dermal architectures in skin with limited depths of skin removal by the series of superficial treatments that may be comparable to the extent of neocollagenesis caused by a deep skin removal treatment (e.g., CO² laser skin removal).

The invention discloses a growth factor nanotube slow-release system used for osseointegration and a preparation method and application thereof, the nanotube slow-release system includes a titanium alloy implant, a titanium dioxide nanotube coating is prepared on the titanium alloy implant surface by the method of anodic oxidation, and the titanium alloy implant is loaded with a growth factor. The growth factor nanotube slow-release system has the advantages that: (1) the growth factor nanotube slow-release system can improve the nanotube drug loading amount by a simple and effective method of vacuum aspiration; (2) the invention also provides a rhPDGF- BB nanotube slow-release system which can significantly promote the osseointegration in bone osteoporosis state, rhPDGF-BB is approved by the FDA to be used in clinical osteanagenesis therapies, and clinical application of the nanotube slow-release system may be provided; and (3) including nanotube preparation, therowth factor nanotube slow-release system is in no need of special, complex and expensive equipment, simple in operation process, and conducive to the promotion and use.

A vacuum aspiration system may be used to treat thromboembolic disease, such as deep vein thrombosis or pulmonary embolism. The system includes a housing, and a fluid flow path extending through the housing. A first catheter is in fluid communication with the flow path, and a connector is configured to place a source of aspiration in communication with the flow path. A clot container is carried by the housing. A hemostasis valve is provided in the housing, and configured to receive a second catheter and direct the second catheter through the first catheter.

The invention belongs to the field of medical apparatus and instruments, and particularly relates to an ultrasonic microscopic examination system for mediastinal lesions. The ultrasonic microscopic examination system comprises an ultrasonic rigid bronchoscope and a vacuum aspiration biopsy instrument. The ultrasonic rigid bronchoscope comprises an improved rigid bronchoscope, a catheter type ultrasonic probe, a cold light source main unit, a photographic main unit and an ultrasonic main unit; the rigid bronchoscope comprises an endoscope body and a slim operating end, and the catheter type ultrasonic probe is mounted at the head of the operating end; the endoscope body is connected with a light source by a light source interface; the cold light source main unit is connected with the photographic main unit; the catheter type ultrasonic probe is connected to the ultrasonic main unit; the vacuum aspiration biopsy instrument comprises a power control main unit of a vacuum aspiration pump system and a puncture biopsy needle. The ultrasonic microscopic examination system has the advantages that the ultrasonic microscopic examination system can be easily and conveniently operated when the mediastinal lesions are diagnosed and treated by doctors, the diagnosis accuracy can be improved, the false negative rate can be reduced, the occurrence rate of infective complications can be decreased, the operative time can be shortened, and accordingly economic burden on patients and suffering of the patients can be relieved.

A vacuum aspiration control system for use with a vacuum source and an aspiration catheter includes a connecting tube configured to connect the vacuum source with a lumen of an aspiration catheter. Anon-off valve is operatively coupled to the connecting tube, and a sensing unit is configured to detect flow within the connecting tube and provide a signal representative of flow. A controller receives the signal to decide whether to open or close the valve. The controller may automatically close the valve to stop flow when flow through the connecting tube is unrestricted, or according to a predetermined timing sequence. The controller can further periodically open a closed valve to determine whether flow has entered an acceptable range. The controller can still further engage pulsed aspiration with a pressure manipulation assembly when flow is restricted or occluded.

The invention discloses a vacuum aspiration curet which comprises a scraping head and a handle, wherein the scraping head is a hollow tube, one end of the hollow tube is a of a spoon structure, the spoon part of the scraping head is provided with a vacuum aspiration hole, the other end of the hollow tube is an external thread structure, the handle is hollow, one end of the hollow handle is of an internal thread structure, the other end of the hollow handle is provided with a negative pressure connector, a through negative pressure adjusting hole is formed in the hollow handle, and the scraping head and the handle are connected through the external thread structure and the internal thread structure. According to the vacuum aspiration curet, the curet is combined with negative pressure, fell-off tissue can be sucked out during tissue scraping, pollution of the fell-off tissue to other tissue within an operation area is avoided, operation processes are simplified, tissue scraping can be achieved in a one-shot mode, the complicated operation in which scraping and taking are conducted independently is avoided, using is convenient, and the promotion value is high.

The invention discloses a surgical vacuum aspiration device which comprises a bottom support part, a liquid collection device and a negative pressure generation device, wherein the liquid collection device is detachably mounted at the upper part of the bottom support part; and the liquid collection device is communicated with the negative pressure generation device. According to the surgical vacuum aspiration device, tipping of a liquid collection bottle can be effectively avoided; outflow of liquid in the liquid collection bottle can be avoided; contamination of an operating room by the liquid in the liquid collection bottle can be effectively avoided, so that iatrogenic viral transmission is avoided; damage of a vacuum pump due to entry of the liquid can be effectively avoided, so that aservice life of the device is guaranteed; a clear operation field environment is provided for medical care personnel by vacuum aspiration of waste liquid generated in a cardiac surgery of a patient,so that successful performance of the surgery is guaranteed; scratches of a pathological tissue of the patient can be avoided; traumas generated in the cardiac surgery of the patient can be effectively reduced; and the influence of too large noise during operation of the vacuum pump on the surgery performed by the medical care personnel can be avoided.

The invention discloses a multicolor printing machine. In the invention, vacuum adsorption rolls of printing stocks are at least arranged in front of a first printing unit and behind a last printing unit, a plurality of axially arranged air intake ducts are arranged below the roll surfaces of the vacuum adsorption rolls, a plurality of suction holes which are communicated with the air intake ducts arranged below the roll surfaces are distributed on the roll surfaces, an exhaust hood communicated with a vacuum aspiration machine and used for butting the air intake duct outlets which rotate by a sector part of a wrap angle of the printing stock is arranged on the end surface of the vacuum adsorption rolls, exactly opposite to the sector part, and drive wheels arranged on shafts of the vacuum adsorption rolls are connected with each other through a synchronous belt. Compared with the prior art, the printing machine can solve the problem that the tension applied to the printing stock at the printing phase is acted by variation of printing parameters, and the printing stock stretches, thereby causing misregister.

The invention provides a one-time wetting type vacuum aspiration incision protector, comprising a plastically elongateable protective film passage. One end of the plastically elongateable protective film passage is provided with an elastic circular ring in a tilting manner, and the other end thereof is provided with double elastic rings. The elastic circular ring is provided with a hollow water pipe. One side of the plastically elongateable protective film passage is provided with a fixed vacuum pipe, and the other side thereof is provided with a deformable protective film passage. The protector can protect an incision from friction from instruments accessing, is convenient to operate, can prevent incision infection and organ dryness and has a function of vacuum aspiration.

The invention relates to the technical field of medical equipment, and in particular to an adjusting method of a central vacuum aspiration meter head. According to the technical scheme, the adjusting method of the central vacuum aspiration meter head is characterized by comprising the following steps: (a) before adjusting the central vacuum aspiration meter head, checking a main pressure meter firstly, and confirming that a value of the main pressure meter is located within a normal range; (b) in accordance with an actually required air pressure value, adjusting the air pressure value until the air pressure value is located within a proximal range by virtue of a rapid adjusting knob; and (c) observing an air pressure value on a partial pressure meter, and adjusting the air pressure value on the partial pressure meter to a required value by virtue of a fine tuning knob. The central vacuum aspiration meter head provided by the invention has the advantages that workload of medical personnel on adjusting air pressure is reduced, so that more time and labor of the medical personnel are saved during working, and a therapeutic effect on patients is enhanced.

The invention discloses a puncture pumping device embedded in an auxiliary negative pressure suction module. A three-way valve is provided with a rotating rod, and the other ends of the injection tube and the suction tube are installed outside the disposable sample collector, and the extended pipelines are respectively connected at the ports. An injection tube port and a suction tube port are formed, and a puncture needle is sleeved at the junction of the outer tube and the collection tank; the handle includes a shell that matches the collection tank, a circuit control module is arranged inside the handle, and a circuit control module is provided on the head of the shell. The corresponding control button of the control module, the circuit control module is connected with the negative pressure suction device through the electric control mode line, the negative pressure suction device includes a collection tank, the suction tube port is connected with the interface of the collection tank, and the injection tube port is connected with a syringe . Beneficial effects of the present invention: the disposable sample collector is easy to disassemble and assemble, and can realize rapid and effective puncture and liquid extraction, especially for cases with large cysts in the body or viscous liquid components in the cysts, effectively improving the efficiency of puncture and liquid extraction. efficiency.

The invention discloses a multifunctional aspirator, comprising an injector barrel, a rubber ring, a pushing rod, a pulling handle and a two-way plug cock, wherein the rubber ring, the pushing rod andthe pulling handle are arranged in the injector barrel successively from inside to outside, the two-way plug cock is connected to the liquid outlet of the injector barrel, a thrust brake is arrangedon the side plate of the pushing rod, the thrust brake comprises a plurality of anti-thrust elastic sheets which are arranged in parallel at one side plate of the pushing rod, the anti-thrust elasticsheets are obliquely arranged in the direction of facing the rubber ring, the bottoms of the anti-thrust elastic sheets are fixed on the side plate of the pushing rod, and the tops of the anti-thrustelastic sheets are higher than the edge of the side plate of the pushing rod. According to the multifunctional aspirator provided by the invention, the state of the multifunctional aspirator can be fixed by the thrust brake, the operation is simple, convenient and fast, the operation of vacuum aspiration is greatly simplified, the success rate and the safety of the operation are improved, the operation efficiency can be further improved, and the operation time is shortened; the multifunctional aspirator has important practical application value, and is beneficial to popularizing.

The invention relates to a vacuum aspiration air source terminal, which comprises a valve base. A positioning inserting sleeve is fixed on the valve base, a color ring is fixed on the positioning inserting sleeve, and a button press ring is fixed outside the color ring; a valve spool is further disposed in the valve base, a valve spool sleeve is further arranged on the valve spool, and the valve spool contacts with a plug. The vacuum aspiration air source terminal is characterized in that an air inlet hole is arranged on a side wall of the valve base and is connected with a pipe; and a valve seat spring chamber is further arranged in a cavity of the valve base, a valve spool spring chamber is disposed at one end of the valve spool, and a valve spool spring is disposed between the valve base and the valve spool, and is placed in the valve seat spring chamber and the valve spool spring chamber. The vacuum aspiration air source terminal is simple in structure and convenient in use, by the aid of the design of a sealing type structure, the one-way valve spring is completely isolated from pollutants and is not easy to be corroded, so that the service life of the air source terminal is prolonged, and normal use of the vacuum aspiration air source terminal for medical staff can be ensured.

The invention relates to a precision subcutaneous injection auxiliary device, and belongs to the technical field of medical apparatuses and instruments. The precision subcutaneous injection auxiliary device is composed of a cylinder, an exhaust device, an injection window and a closed sticker. The bottom of the cylinder is open, the top of the cylinder is connected with the exhaust device, the injection window is arranged on the cylinder wall of the cylinder, and the injection window is covered with the closed sticker. The precision subcutaneous injection auxiliary device has the advantages that subcutaneous tissue and muscular layers can be greatly separated through vacuum aspiration, and precision subcutaneous injection can be achieved on the portions such as the back. Negative pressure can be generated conveniently, the skin can be lifted conveniently and rapidly, and the auxiliary device and the skin can be rapidly separated by conveniently and rapidly eliminating negative pressure; by arranging the injection window, the injection window is provided with the replaceable closed sticker, the closed sticker can close the injection window, and the post-injection hemostasis function is achieved.

The invention discloses a vacuum sterile blood collection and recovery device. The device is mainly formed by sequentially connecting a vacuum blood sampling knife, a vacuum valve and a closed rotary distribution connector in series through a flexible hose. A hollow pipe outlet is formed in the lower end of the closed rotary distribution connector and connected with one end of a vacuum pipeline, the other end of the vacuum pipeline is connected with a vacuum pump, a blood container is installed below the vacuum pipeline, and the lowest position of the vacuum pipeline is communicated with the blood container. The vacuum blood sampling knife is inserted into the body of an animal to sample blood, and the blood is directly pumped into the closed rotary distribution connector by the vacuum pump, is gathered by the closed rotary distribution connector, flows into the vacuum pipeline, and falls into the blood container to be collected when flowing through the lowest position of the vacuum pipeline. According to the blood collection device, blood can be successfully and effectively collected, the problems that the blood is prone to coagulation in the blood collection process and the blood is polluted due to blockage in the vacuum suction process are solved, and the collection efficiency and quality are greatly improved.

The invention discloses mechanical vacuum aspiration equipment for the obstetrics and gynecology department. The mechanical vacuum aspiration equipment comprises a handle, a connecting pipe, an aspiration pipe, a filter, a buffer bottle, a fixing seat, a support plate, telescopic rods, universal wheels and a collecting bottle, wherein the telescopic rods are arranged at the bottom end of the support plate, the universal wheels are arranged at the bottom ends of the telescopic rods, the buffer bottle is arranged on the upper surface of the fixing seat, and a mechanical negative pressure deviceis arranged on one side of the fixing seat. The mechanical vacuum aspiration equipment has the advantages that by the handle, secondary rods, primary rods and the universal wheels, the mechanical vacuum aspiration equipment can be moved and carried conveniently; the secondary rods and the primary rods can be retracted into a protecting shell to save storage space; by an aspiration gun fixing rack,an aspiration gun can be fixed placed on the aspiration gun fixing rack; by the telescopic rods, the height of the mechanical vacuum aspiration equipment can be adjusted according to the length of afeeding pipe, the specification requirement of the feeding pipe can be lowered, and the mechanical vacuum aspiration equipment can adapt to feeding pipes of different lengths.

The invention provides an instrument for removing a gall bladder. The instrument comprises a base, a puncture aspirator, a propulsion valve, an outer sleeve and a cap bag, wherein an opening slot is arranged on an axial direction of an outer surface of the base; a vacuum aspiration interface of the puncture aspirator is clamped in the opening slot; a puncture opening of the puncture aspirator is sleeved on axle centers of the base, the propulsion valve and the outer sleeve; the propulsion valve comprises a rotary part and a screw rod fixed on an axle center of the rotary part; bulges are respectively arranged on two ends of the rotary part, and are clamped with grooves on corresponding positions on the base and the outer sleeve; the screw rod is of a hollow structure, and is internally provided with the puncture opening of the puncture aspirator in a sleeve way; the cap bag is made of elastic materials; a bottom part of the cap bag is fixed on a nut; and the nut and the screw rod form a lead screw. The instrument for removing the gall bladder has a simple structure, is convenient to use and operate, and can easily enter into an abdominal cavity and be easily opened, so that the time for removing the gall bladder is saved.

A system for automatically controlling Tenebrio Molitor larvae rearing activities, the system comprising: a container (1500) including one or more modules (1300) configured with a plurality of trays, wherein the plurality of trays are partitioned into sets of trays having an upper tray (702) with a sieved base and a lower tray (704) to receive first objects that fall through the sieved base of the upper tray (702); a vacuum aspiration system (1302) including a vacuum and a plurality of sets of aspiration arms including a first aspiration arm (1304) and a second aspiration arm (1306), the plurality of sets of aspiration arms configured to aspirate second objects through the first aspiration arm (1304) from the respective upper tray (702) to a first collection tank and the first objects through the second aspiration arm (1306) from the respective lower tray (704) to a second collection tank; and a control unit (300) programmed to control the plurality of sets of aspiration arms to collect the objects from the respective trays of the plurality of trays.

The invention discloses an aspirator which comprises an aspiration tube, a holding handle, a vacuum aspiration device and a power supply, wherein the vacuum aspiration device and the power supply arearranged in the holding handle; the vacuum device is electrically connected with the power supply; and a power supply switch is arranged on the holding handle. The aspirator is convenient to use, thepower supply switch can be pressed to start the vacuum aspiration device to form a vacuum state inside the aspiration tube, and pus emboli can be easily aspirated and taken out after the aspiration tube is aligned to the pus emboli.