54 results about "External capsule" patented technology

Apparatus and methods for capsule endoscopy are described for locating, positioning, steering, aiming and tracking of an endoscopy capsule (100) within a patient's esophagus and stomach. The apparatus includes an endoscopy capsule (100) with a magnetic element (110), an external capsule positioning system (200) including at least one magnet (202) movable along a track (204) for positioning the endoscopy capsule (100) within a patient. Also described are apparatus and methods for performing endoscopic spectroscopy using different wavelengths of light and other imaging technologies to diagnose various disease conditions, such as premalignant or inflammatory changes and internal bleeding.

The present invention relates to a package for preserving a medical device or the like comprising an external capsule and a cap sealingly engaging the external capsule, wherein a means is provided for releasingly connecting medical device with the cap upon removing the cap and the medical device from the external capsule. In a variation the package may comprise in addition a transport means surrounded by the cap and extending therein, wherein the transport means is adapted for releasingly connecting to the medical device. Also a seal may be provided at an opening of the external capsule.

The invention provides a novel prostate dilation catheter, which comprises a main tube, wherein a urinary catheterization cavity, an internal capsule cavity, an external capsule cavity and a flushing cavity are formed inside the main tube; a composite bar-like high pressure water capsule is arranged in the fronts of the outlet of the urinary catheterization cavity and the outlet of the flushing cavity; the composite bar-like high pressure water capsule comprises an internal capsule and an external capsule; the internal capsule is arranged at the front end of the interior of the outer capsule; and the front ends of the internal capsule cavity and the external capsule cavity are respectively formed with openings inside the internal capsule and the external capsule. By virtue of the structure, the catheter can automatically move inwards urinary bladder after bladder neck is dilated, so as to relieve stress on external sphincter to prevent the occurrence of urinary incontinence; and in addition, the catheter disclosed by the invention is more conducive to preoperative localization and postoperative fixation, so that the catheter is prevented from slipping after surgical decompression.

The present invention relates to a device (1) for measuring the knee laxity, with or without use of additional means of diagnosis such as computed axial tomography and magnetic resonance imaging, evaluating the instability of the knee due to rupture of any ligament, namely the anterior cruciate ligament, posterior cruciate ligament, postero-internal capsule, postero-external capsule, as well as around the axis of an orthonormal referential, that comprises three parts respectively to accept and retain the thigh, leg and foot.The device (1) includes independent means (20) and (21) to push backward the anterior zone of the leg and to push forward the posterior zone of the leg, and independent means (12) and (13) to push the part (5) for support and fixation of the foot in clockwise direction and in anti-clockwise direction.

Devices and methods for substantially reducing the caloric efficiency of the digestive tract by capturing food being digested in the stomach 10 and / or anywhere else in the gastrointestinal (GI) tract, absorbing or encapsulating the captured food into multiple capturing members and moving such multiple capturing members containing the ingestible encapsulated food down the GI tract, practically out of reach of the GI absorption organs, thus excluding the entrapped ingredients from being involved in the digestion and\or absorption process. The device is designed for oral delivery. The system can be comprised of liquid, food bars or a capsule system. The capsule system is comprised of an external capsule that dissolves in accordance with a temporal or ph dependent preset, which allows the food intake to be at least partially fluidic. The capsule system is further comprised of a mechanism designed to capture and isolate a portion of the food being digested.

The invention discloses kiwi fruit juice powdered milk and a preparation method thereof. The preparation method comprises the following steps: adopting a micro embedding technology to micro embed concentrated kiwi fruit juice by edible modified starch which forms external capsules to wrap the concentrated kiwi fruit juice so as to form granules of capsule structures, thereby greatly reducing the loss of nutritive materials in kiwi fruits in the process of processing; then drying mixing the granules with whole milk powder and pure colostrum powder to prepare a finished product. The kiwi fruit juice powdered milk is eaten in the mode of instant drinks, has good taste of fresh fruit, perfectly combines respective unique nutrient characteristics of milk and fruit, has high nutritional value and is easy to digest and absorb.

The invention relates to a soft and hard hybrid airship and a control method thereof. An external capsule is arranged on a hard airship body, an external airbag of the external capsule is communicated with an internal airbag of the hard airship body through a controllable communicating valve; a connecting component capable of folding and unfolding the volume of the external capsule is arranged between the outer side of the external capsule and the hard airship body; when the soft and hard hybrid airship is in use, gas in the internal airbag enters the external airbag through opening the controllable communicating valve, so that the emptying volume of the airship is increased, and enough lifting force is ensured; and through compressing gas in the airship and compressing the gas in the internal gas by using the connecting component, the airship begins to descend as the volume of the airship is reduced. The soft and hard hybrid airship and the control method thereof have the benefits that through additionally hanging the external capsule, the remarkable rise of inside and outside pressure difference of the hard airship body is effectively avoided, so that the safety of the airship is ensured; and through increasing the volume of the external capsule, the air buoyancy is kept, so that the defect that the internal airbag releases helium outwards is overcome.

According to a mechanical assembly drum assisting turn-up of tire embryo seam allowance and a method for realizing assisted turn-up provided in the invention, rubber ring structures capable of swelling when inflated are arranged at the interior and exterior side of the tire embryo seam allowance and form into capsules after inflation to realize internal and external extrusion to the part of seam allowance, thereby improving quality of turn-up and compaction of the tire embryo seam allowance. The invention enables the operation of wrapping and compacting directed to the part of seam allowance to be realized and bubbles in the interior and exterior side of the tire embryo seam allowance to be completely eradicated, thereby substantially enhancing quality of turn-up of the part of the seam allowance. The mechanical assembly drum has a hollow cylindrical main shaft and a driving shaft which drives a locking piece assembly and a finger type turning up means for reciprocating motion; a rubber ring, which is connected with a locking piece unit and forms a closed ring structure around the periphery of the main shaft, is provided on the top of a locking piece cylinder body; two ends at the exterior side of the rubber ring are respectively fixed on the interior and exterior side of the locking piece cylinder body; a breather pipeline of the locking piece cylinder body communicates with the interior of the rubber ring. When the rubber ring is inflated, internal and external capsules are formed for direct wrapping, compacting and venting of the part of the seam allowance.

The invention relates to the technical field of inflation article, in particular to a self-inflation capsule. The self-inflation capsule comprises an external capsule and an internal capsule; the internal capsule is arranged in a hollow chamber of the external capsule; the internal chambers of the external capsule and the internal capsule are respectively filled with matters which can generate chemical reaction and release gas by being mutually contacted with each other; as long as the internal capsule is broken down or destroyed, a first matter and a second matter generate the chemical reaction and release the gas which ruptures the external capsule and inflates the article to be inflated, thus having convenient usage and low cost; the gasbag of the invention is internally provided with the self-inflation capsule; the external capsule of the self-inflation capsule is ruptured to inflate the gasbag, thus solving the problem of inconvenient inflation of gasbag; the inflation space of the disposal food packaging box of the invention is internally provided with the self-inflation capsule which can generate the chemical reaction and release the gas which ruptures the external capsule and inflates the packaging box; the self-inflation packaging box with low cost is provided.

The invention provides a prostate expanding catheter realizing visual locating. The prostate expanding catheter realizing visual locating comprises a main catheter, a soft lens and a composite high-pressure bag, wherein a urine guide cavity, a flushing cavity, an inner bag cavity and an outer bag cavity are arranged inside the main catheter, an opening is formed in the front end of the main catheter, the urine guide cavity and the flushing cavity are connected with the opening, and a positioning bulge is further arranged on the main catheter; a composite high-pressure water bag is arranged between the positioning bulge and the opening, the composite high-pressure water bag comprises an inner bag and an outer bag, the inner bag is located in the outer bag, and one or more marking lines with different colors are arranged on the outer bag; the soft lens can be inserted into the urine guide cavity or the flushing cavity of the main catheter. According to the prostate expanding catheter realizing visual locating, the marking line(s) on the outer bag can be observed through the soft lens inserted in the urine guide cavity, then the main catheter is located through the position of the marking line (s), thus the locating accuracy of the main catheter is improved, and meanwhile, the judgment of medical staff for the locating of the catheter is also facilitated.

The invention discloses a novel reticulate structure capsule wall microcapsule phase-change material. The novel reticulate structure capsule wall microcapsule phase-change material comprises a capsule core material and an external capsule wall. The core material is a fatty hydrocarbon or fatty acid ester compound, preferably n-tetradecane, n-octadecane or butyl stearate, the shell layer adopts a reticulate structure, and the capsule wall is a polyurethane high polymer with a reticulate structure capsule wall and is formed by polymerizing diisocyanate and polyamine compounds as well as polyol compounds. The problems that the capsule wall of the microcapsule prepared through reaction of polyisocyanate and polyamine compounds has high permeability, low stability and low compactness and cannot prevent leakage of the core material well are solved. The invention also discloses a preparation method of the phase-change material. The preparation method particularly comprises the following steps: 1, weighing a capsule core component and polyisocyanate, and mixing to form a first solution; 2, preparing an emulsified liquid; 3, performing mixed reaction on the solutions prepared in the step 1 and step 2; 4, adding a water-soluble reaction monomer; 5, continuously performing temperature-increasing reaction obtained through preparation.

A pharmaceutical dosage form particularly suitable for the administration of active principles in multiple therapies is disclosed. The pharmaceutical dosage form is a double capsule wherein an internal capsule is placed inside an external one. Each internal and external capsule includes one or more active principles. A double capsule according to the invention is preferably used in triple or quadruple therapies against the microorganisms Helicobacter Pylori. Advantages of this pharmaceutical dosage form consist in provididng a simple posology for administration of two and more active principles, allowing the active principles to activate at the right intervals of time and in the pre-established quantities, and preventing interactions between active principles. In a preferred embodiment of the invention, the pharmaceutical dosage form has an external capsule containing bismuth subcitrate and metronidazole, and an internal capsule containing tetracycline and optionally omeprazole, which is used in therapy for eradication of Helicobacter pylori.

The invention relates to a magnetorheological hydraulic rubber spring. The magnetorheological hydraulic rubber spring comprises an upper fixing sealplate, a lower fixing sealplate and a rubber external capsule, wherein magnetorheological liquid is filled into the rubber external capsule; the magnetorheological liquid is connected with a magnetorheological hydraulic regulation system; a height limitator is arranged on the lower fixing sealplate; an electromagnet and a coil are also arranged in the rubber external capsule; vibrating sensors are arranged on the upper and the lower fixing sealplates; and the vibrating sensors, the electromagnet and the coil are connected with a control unit module. Therefore, the magnetorheological hydraulic rubber spring solves the problem of regulating the height and rigidity automatically in real time, has the characteristics of high oil resistivity, wide regulating range, strong thermal adaptability, high response speed and the like, and has the simple structure, small volume and low cost; and the magnetorheological hydraulic rubber spring can be used for active suspension systems of automobiles, if being integrated with a magnetorheological damper, the magnetorheological hydraulic rubber spring can become the active suspension systems, which change the height, rigidity and damping automatically in real time, of the automobiles, and the magnetorheological hydraulic rubber spring can also be applied to other active vibration control systems.

Disclosed is a duct piece temporary support device used for shield tunnel accident emergency rescue. The duct piece temporary support device comprises a supporting duct piece gasbag mechanism, wherein the supporting duct piece gasbag mechanism comprises a lining and an external capsule, and the lining is covered by the external capsule; the inner circumference of the lining is provided with three inflating and deflating holes, and the three inflating and deflating holes are fixed on the lining through a flange plate. According to the duct piece temporary support device used for the shield tunnel accident emergency rescue, air inflation is conducted quickly to form an inflating circular ring, the inflating circular ring is tightly attached to the inner wall of a tunnel, and thus supporting and stabilizing a tunnel duct piece is achieved; meanwhile, water retaining in the tunnel in an earlier stage can be achieved, fast temporary support of the duct piece in the shield tunnel accident emergency rescue can be achieved, and the destruction process of the tunnel duct piece is delayed; the emergency rescue facility is light, convenient and low in cost, and can be repeatedly used; after the facility is ready, emergency rescue personnel can smoothly pass without influencing emergency rescue working face within the range of a shielding tunnel machine.

The invention provides a prostatic dilation catheter with an internal capsule shifted forwards. A main catheter, an internal capsule and an external capsule are arranged. A urinary catheter, a flushing pipe, an internal capsule tube, an external capsule tube and a location protrusion are arranged in the main catheter. The main catheter is provided with an internal capsule water injection port and an external capsule water injection port. The internal capsule tube and the external capsule tube are connected with the internal capsule water injection port and the external capsule water injection port respectively. The front end of the main catheter is provided with a urine guide opening and a flushing opening. The external capsule is located between the flushing opening and the location protrusion, the internal capsule is located in the external capsule, and the tail end of the internal capsule and the tail end of the external capsule are arranged at intervals. The tail end of the internal capsule and the tail end of the external capsule are arranged at intervals, the main catheter can be placed at a preset position through the internal capsule and the location protrusion, so that the internal capsule can still slide in the prostate after water pre-infusion; when the internal capsule having undergone pre-infusion abuts against the external urethral sphincter, the un-expanded external capsule can be at an appropriate position, so that subsequently the external capsule can split a prostatic evacuating catheter from the external urethral sphincter to the position of the bladder conveniently, a better dilation is achieved, and the prostatic dilation accuracy is improved.

Devices and methods for substantially reducing the caloric efficiency of the digestive tract by capturing food being digested in the stomach 10 and / or anywhere else in the gastrointestinal (GI) tract, absorbing or encapsulating the captured food into multiple capturing members and moving such multiple capturing members containing the ingestible encapsulated food down the GI tract, practically out of reach of the GI absorption organs, thus excluding the entrapped ingredients from being involved in the digestion and\or absorption process. The device is designed for oral delivery. The system can be comprised of liquid, food bars or a capsule system. The capsule system is comprised of an external capsule that dissolves in accordance with a temporal or ph dependent preset, which allows the food intake to be at least partially fluidic. The capsule system is further comprised of a mechanism designed to capture and isolate a portion of the food being digested.

The invention discloses a Chinese medicinal external composition for curing gynecological diseases and a preparation method thereof. The composition is prepared from amur corktree bark, hairyvein agrimonia herb and bud, common cnidium fruit, climbing groundsel herb, dried alum and borneol in a certain ratio. The composition is prepared into clinically acceptable external formulations such as suppository, external capsules, gel, ointments, vaginal tablets, vaginal effervescent tablets, vaginal films, lotion, aerosol, foaming agent and the like by a pharmaceutical conventional method. The composition has good curative effects on cervical erosion, gynecological inflammation, and urinary tract infection of women. The composition is prepared into an external preparation and is not orally administrated so as to avoid first-pass effect on liver and physiological screening effects of gastrointestinal tracts and reduce untoward effect. The external preparation can directly act on afflicted parts, and has the advantages of strong pertinence, general actions through skin and mucosa, quick medicinal absorption, less interference to internal environment of body, non-traumatic treatment mode, simple operation, good safety of clinical use, high cure rate, base strengthening of Chinese medicaments, and less side effect. The composition can effectively eliminate cause of diseases, can safely and effectively cure diseases under guidance of doctors and is easy to popularize.

The invention discloses a stomach balloon weight-losing device. The stomach balloon weight-losing device comprises an inflatable internal air bag (1), wherein the internal air bag (1) is provided with an external capsule shell (2). The stomach balloon weight-losing device is also provided with a single-cavity stomach tube (3) through which air or normal saline can be injected into the internal air bag (1). The single-cavity stomach tube (3) is provided with at least one one-way valve (4). According to the stomach balloon weight-losing device, the external capsule shell wrapped on the internal air bag is a digestible shell; after the shell is digested, the internal air bag can expand to fill up the gastric cavity, so that the volume of the stomach is lowered, a fat patient feels full, and the appetite of the patient is naturally reduced. The single-cavity stomach tube enters the stomach through the esophagus, and no incision is needed. The stomach balloon weight-losing device also has the advantages of being convenient to operate, simple in structure and the like, thereby being worth popularizing.

The invention belongs to the field of expansion catheters for prostates, and particularly relates to a disposable three-cavity double-bag super-lubricity expansion catheter for the prostates. An inner-bag water injection cavity, an outer-bag water injection cavity and a catheter water inlet cavity are formed in a catheter body (1). An inner-bag water injection joint (101), an outer-bag water injection joint (102) and a catheter water inlet joint (103) are arranged at the rear ends of the inner-bag water injection cavity, the outer-bag water injection cavity and the catheter water inlet cavitysequentially and respectively. A columnar water bag component (2) is arranged around a front catheter water inlet (104) of the catheter water inlet cavity. An inner bag (201) is arranged in an outer bag (202). An inner-bag water injection inlet (3) of the inner-bag water injection cavity is communicated with the inner bag (201). An outer-bag water injection inlet (4) of the outer-bag water injection cavity is communicated with the outer bag (202). The disposable three-cavity double-bag super-lubricity expansion catheter has the advantages that the expansion process is simple, catheter arrangement is facilitated, accurate positioning is achieved, prostatic membranes at the 12 o'clock position can be expanded, and hemostasis by compression can be achieved.

The present invention relates to a device (1) for measuring the knee laxity, with or without use of additional means of diagnosis such as computed axial tomography and magnetic resonance imaging, evaluating the instability of the knee due to rupture of any ligament, namely the anterior cruciate ligament, posterior cruciate ligament, postero-internal capsule, postero-external capsule, as well as around the axis of an orthonormal referential, that comprises three parts respectively to accept and retain the thigh, leg and foot. The device (1) includes independent means (20) and (21) to push backward the anterior zone of the leg and to push forward the posterior zone of the leg, and independent means (12) and (13) to push the part (5) for support and fixation of the foot in clockwise direction and in anti-clockwise direction.

Devices and methods for substantially reducing the caloric efficiency of the digestive tract by capturing food being digested in the stomach 10 and / or anywhere else in the gastrointestinal (GI) tract, absorbing or encapsulating the captured food into multiple capturing members and moving such multiple capturing members containing the ingestible encapsulated food down the GI tract, practically out of reach of the GI absorption organs, thus excluding the entrapped ingredients from being involved in the digestion and\or absorption process. The device is designed for oral delivery. The system can be comprised of liquid, food bars or a capsule system. The capsule system is comprised of an external capsule that dissolves in accordance with a temporal or ph dependent preset, which allows the food intake to be at least partially fluidic. The capsule system is further comprised of a mechanism designed to capture and isolate a portion of the food being digested.

The invention discloses a device for controlling ambient temperature in a rescue capsule. The device mainly comprises an air conditioner and a refrigerant cooling system which are arranged in the rescue capsule; an external capsule top of the rescue capsule is provided with spray pipes which are connected with external high-pressure water; the top and sides of the inner walls of the rescue capsule are provided with cooling pipes; water circulation is formed between water inlets and outlets of the cooling pipes through a water storage tank and a water pump; and the air conditioner, the refrigerant cooling system, and the water pump are connected with a self power supply which is arranged in the rescue capsule. The temperature in the rescue capsule can be controlled by four control methods for cooling cabin walls by using the air conditioner, the refrigerant cooling system, the external high-pressure water and water stored in the rescue capsule, so people in the rescue capsule can possibly adjust power to survive without depending on external temperature at high temperature.

Apparatus and methods for capsule endoscopy are described for locating, positioning, steering, aiming and tracking of an endoscopy capsule (100) within a patient's esophagus and stomach. The apparatus includes an endoscopy capsule (100) with a magnetic element (110), an external capsule positioning system (200) including at least one magnet (202) movable along a track (204) for positioning the endoscopy capsule (100) within a patient. Also described are apparatus and methods for performing endoscopic spectroscopy using different wavelengths of light and other imaging technologies to diagnose various disease conditions, such as premalignant or inflammatory changes and internal bleeding.

The invention relates to a visual prostate dilator. The dilator comprises a urethra insertion auxiliary sheath and a dilating catheter; the urethra insertion auxiliary sheath comprises an outer sheathbody and an obturator, wherein the obturator can be pulled out of and inserted into the outer sheath body in a penetrating mode; the outer diameter of the dilating catheter is smaller than the innerdiameter of the outer sheath body; an internal capsule and an external capsule are arranged at the inner end of the dilating catheter; the internal capsule surrounds the dilating catheter and is located in the external capsule; the dilating catheter is provided with an internal capsule liquid injection port communicated with the internal capsule, an external capsule liquid injection port communicated with the external capsule and a cleaning fluid injection port communicated with the inner space of the dilating catheter; the part, provided with the external capsule, of the dilating catheter, the internal capsule and the external capsule are of transparent structures; when the outer sheath body sleeves the dilating catheter, the external capsule is located on the outer side of the outer sheath body; and the parts, located on two sides of the external capsule, of the dilating catheter are provided with cleaning fluid outlets. The visual prostate dilator has the advantages of being capableof being coordinated with an observation mirror for use and capable of enabling the dilating catheter to be convenient to insert, and the problems that an existing medical instrument for carrying outballoon dilatation is complex in positioning and difficult in catheterization can be solved.

The invention relates to the technical field of prostate medical instruments, in particular to an internal and external double-capsule prostate hemostasis catheter. The catheter comprises a main catheter, an inner capsule, an outer capsule, an inner capsule cavity, an outer capsule cavity and a drainage cavity and a washing chamber disposed in the main catheter, the inner capsule and the outer capsule are wrapped outside the main catheter, the inner capsule is disposed at an inner front end of the outer capsule, an inner capsule outlet and an outer capsule outlet are formed in the main catheter, the inner capsule outlet and the outer capsule outlet are respectively disposed in the inner capsule and the outer capsule, an inner capsule injection port, an outer capsule injection port, a drainage chamber outlet and a water chamber inlet are formed in one end of the main catheter, a drainage chamber inlet and a washing chamber outlet are formed in the end portion of the other end, near theinner capsule, of the main catheter, the inner capsule is filled with water or inflated to expand and block the bladder, which can stop bleeding and prevent the blood from flowing into the bladder, inaddition, the outer capsule can be inflated or injected with the water, wounds on the prostate are blocked, and the effect of stopping bleeding is achieved.

The invention relates to a method for preparing an artificial nucleus pulposus prosthetic material, and belongs to the technical field of high polymer materials. The method comprises the following steps of: synthesizing a silicon-containing polyurethane capsule material; preparing a polyurethane capsule and a silicon-containing polyurethane filler; and planting the silicon-containing polyurethanefiller in the polyurethane capsule. In the preparation method, the external capsule of the nucleus pulposus is made of the thermoplastic silicon-containing (or silicon-free) polyurethane, and the silicon-containing polyurethane cured at room temperature is used as a filling material in the capsule. The polyurethane external capsule is formed in vitro, and the silicon-containing polyurethane curedat room temperature is injected into a human body in a liquid form and then is polymerized in situ. The external capsule and the filling material prepared by the method have the advantages of excellent mechanical properties, good biocompatibility, convenient fabricated operation and clinical operation and the like, and also have excellent adhesion; and the silicon element introduced also greatly prolongs the service life of the nucleus pulposus prosthesis in a human body.

The invention discloses a capsule type cable control head, which comprises an internal capsule, an intermediate capsule and an external capsule, wherein the internal capsule, the intermediate capsule and the external capsule sequentially seal and wrap a cable from inside to outside; the external capsule is sealed and wrapped by a control head main body; and the control head main body is connected with a hydraulic bent joint and sealed by threads. The capsule type cable control head is a well head anti-blowout tool for an oil field. The tool is used for controlling the cable to enter a well and lift from the well in petroleum cable operation, and particularly controlling a fluid pressure in a special situation that a well head is required to be emergently closed after the cable enters the well, so a well blowout accident is effectively prevented, and construction safety is guaranteed. By interaction of the external capsule, the intermediate capsule and the internal capsule, the cable is sealed by radially pushing a capsule body under a hydraulic control pressure, so the cable can smoothly enter the well, and the dynamic sealing of the cable in a lifting and descending process can be realized. The capsule type cable control head has the characteristics of simple structure, small volume, light weight, convenience for use and maintenance, safety, reliability, economy and practicability, and is ideal equipment for preventing environmental pollution in pressurized cable operation in the oil field.

The invention discloses a microfluidic pipettor spearhead. The microfluidic pipettor spearhead comprises a body and an external capsule, the body comprises a liquid inlet channel arranged in a body tail area, several condensation micro channels arranged along the circumferential part of the body, a blank liquid outlet arranged on the external surface of the body, and a liquid outlet channel arranged in a body head area; the condensation micro channel comprises a direct flow channel, a bifurcation channel, an intermediate flow channel and two side branch channels, one end of the direct flow channel is communicated with the liquid inlet channel, the other end and the bifurcation channel are communicated, one end of the intermediate flow channel and the bifurcation channel are communicated, the other end is communicated with the liquid outlet channel, two side branch channels are respectively arranged at two sides of the intermediate flow channel, one end of the side branch channel is communicated with the bifurcation channel, and the other end is bent to the external surface of the body and is communicated with the blank liquid outlet. The microfluidic pipettor spearhead has a simple structure and high flux, and concentration of micro-size particles can be realized by using microfluid inertia effect.

The invention relates to a bock greenbrier rhizome soft capsule and its preparation method, belongs to the technical field of traditional Chinese medicine. The bock greenbrier rhizome soft capsule is prepared by taking bock greenbrier rhizome water extractive as medicinal composition, matching ingredient solvent matrix and beewax to form content, and taking brown ferric oxide as main component of an external capsule cover. The soft capsule is featured by fast disintegration speed, high bioavailability and good product stability. Meanwhile, the preparation method of the water extractive can improve the content of effective component diosgenin; therefore, the drug effect of the soft capsule is more significant.

The present invention relates to a device (1) for measuring the knee laxity, with or without use of additional means of diagnosis such as computed axial tomography and magnetic resonance imaging, evaluating the instability of the knee due to rupture of any ligament, namely the anterior cruciate ligament, posterior cruciate ligament, postero-internal capsule, postero-external capsule, as well as around the axis of an orthonormal referential, that comprises three parts respectively to accept and retain the thigh, leg and foot.The device (1) includes independent means (20) and (21) to push backward the anterior zone of the leg and to push forward the posterior zone of the leg, and independent means (12) and (13) to push the part (5) for support and fixation of the foot in clockwise direction and in anti-clockwise direction.