217results about How to "Convenient and smooth" patented technology

Devices and methods for altering gaseous flow within a lung to improve the expiration cycle of an individual, particularly individuals having chronic obstructive pulmonary disease. The methods and devices create channels in lung tissue and maintain the patency of these surgically created channels in tissue. Maintaining the patency of the channels allows air to pass directly out of the lung tissue which facilitates the exchange of oxygen ultimately into the blood and / or decompresses hyper-inflated lungs.

Devices and methods for altering gaseous flow within a lung to improve the expiration cycle of an individual, particularly individuals having chronic obstructive pulmonary disease. The methods and devices create channels in lung tissue and maintain the patency of these surgically created channels in tissue. Maintaining the patency of the channels allows air to pass directly out of the lung tissue which facilitates the exchange of oxygen ultimately into the blood and / or decompresses hyper-inflated lungs.

Devices and methods for altering gaseous flow within a lung to improve the expiration cycle of an individual, particularly individuals having chronic obstructive pulmonary disease. The methods and devices create channels in lung tissue and maintain the patency of these surgically created channels in tissue. Maintaining the patency of the channels allows air to pass directly out of the lung tissue which facilitates the exchange of oxygen ultimately into the blood and / or decompresses hyper-inflated lungs.

Systems, methods, and devices for preparation of purified water and medicaments for various uses including blood treatment are described. Methods, devices, and systems for creating multiple-treatment batches are described.

A multi-lumen catheter comprising a loop-like structure at the distal portion of the catheter is disclosed herein. In one variation, the loop-tip catheter comprises a dual lumen catheter and a loop-like structure at the distal end of the catheter. The loop-like structure includes at least one lumen, which is in fluid communication with at lease one of the two lumens in the dual lumen catheter. One or more ports are provided on the loop-like structure for accessing the lumens within the loop. In another variation, the loop-tip catheter is configured with an arterial inlet positioned on an inner surface of the loop, while a venous outlet is positioned on an outer surface of the loop. Methods for making and using variations of the loop-tip catheter are also disclosed herein.

A multi-lumen catheter comprising a loop-like structure at the distal portion of the catheter is disclosed herein. In one variation, the loop-tip catheter comprises a dual lumen catheter and a loop-like structure at the distal end of the catheter. The loop-like structure includes at least one lumen, which is in fluid communication with at lease one of the two lumens in the dual lumen catheter. One or more ports are provided on the loop-like structure for accessing the lumens within the loop. In another variation, the loop-tip catheter is configured with an arterial inlet positioned on an inner surface of the loop, while a venous outlet is positioned on an outer surface of the loop. Methods for making and using variations of the loop-tip catheter are also disclosed herein.

Devices and methods for altering gaseous flow within a lung to improve the expiration cycle of an individual, particularly individuals having chronic obstructive pulmonary disease. The methods and devices create channels in lung tissue and maintain the patency of these surgically created channels in tissue. Maintaining the patency of the channels allows air to pass directly out of the lung tissue which facilitates the exchange of oxygen ultimately into the blood and / or decompresses hyper-inflated lungs.

A method of increasing the compressive stress or of reducing the tensile residual stress of a CVD layer, a PCVD layer or PVD layer and a cutting insert for machining.The invention relates to a method of increasing the compressive residual stress or of reducing the tensile residual stress of a hard material outer layer or a hard material outermost layer in which the coated substrate after coating is subjected to a dry blast treatment using a granular blast agent that, according to the invention, has a maximum diameter of 150 μm.

Systems, methods, and devices for preparation of purified water and medicaments for various uses including blood treatment are described. Methods, devices, and systems for creating multiple-treatment batches are described.

A device and a method for creating and / or maintaining an obstruction free upper respiratory passages. The device is configured to fit under the chin of a subject adjacent to the subject's neck at an external location corresponding approximately with the subject's internal soft tissue associated with the neck's anterior triangle. The device is capable of exerting negative pressure on the surface of a subject's neck, displacing the soft tissue forward and enlarging the airway.

Devices, systems and methods are provided for the real-time detection of disease through constant or periodic monitoring of biomolecules in an individual without laboratory sampling. Biomolecule detector devices may be worn in contact with skin, or be implanted in fluid communication with a biological fluid to provide information and identity of disease-related circulating biomolecules in an individual.

A radial closure device has a compression element to place compression force against the radial access site. The invention further comprises an occlusion element that places an occlusion force against the ulnar artery to reduce blood pressure at the arteriotomy site and increase blood flow in the radial artery thereby reducing radial artery occlusion and reducing the time and compression force to achieve hemostasis. A radial restriction element can also be placed upstream of the access site to further reduce radial blood pressure at the arteriotomy site.

A nasal respiratory device combined with a neuromuscular stimulator adapted to provide electrical stimulation intraorally and / or intranasally to a patient for improving breathing and treating a respiratory disorder.

The invention relates to an air-cooled heat dissipation structure of a high-power converter device. In the high-power converter device, the inner space of a cavity can be partitioned into a first cavity and a second cavity by a vertical clapboard; the top parts of the first cavity and the second cavity are respectively provided with an air outlet, and the bottoms thereof are respectively provided with an air inlet, so as to form a first heat-dissipation air duct and a second heat-dissipation air duct; a power-electronic power device and a power-electronic control pat are arranged in the first heat-dissipation air duct; an auxiliary transformer, a line-side inductance, a converter-side inductance, an AC filter capacitor, a DC-side resistor and a damping resistor are sequentially distributed along the air flow direction of the second air duct; and the fist duct and the second duct are respectively provided with a fan. In the invention, various passive elements and the power-electronic power device are coordinated and unified for heat dissipation, thereby decreasing the number of the fans and reducing the volume of a heat dissipation device.

Devices and methods for altering gaseous flow within a lung to improve the expiration cycle of an individual, particularly individuals having chronic obstructive pulmonary disease. The methods and devices create channels in lung tissue and maintain the patency of these surgically created channels in tissue. Maintaining the patency of the channels allows air to pass directly out of the lung tissue which facilitates the exchange of oxygen ultimately into the blood and / or decompresses hyper-inflated lungs.

Devices, systems and methods for compressing, cutting, incising, reconfiguring, remodeling, attaching, repositioning, supporting, dislocating or altering the composition of tissues or anatomical structures to alter their positional or force relationship to other tissues or anatomical structures. In some applications, the invention may be used to improve patency or fluid flow through a body lumen or cavity (e.g., to limit constriction of the urethra by an enlarged prostate gland).

Devices and methods for altering gaseous flow within a lung to improve the expiration cycle of an individual, particularly individuals having chronic obstructive pulmonary disease. The methods and devices create channels in lung tissue and maintain the patency of these surgically created channels in tissue. Maintaining the patency of the channels allows air to pass directly out of the lung tissue which facilitates the exchange of oxygen ultimately into the blood and / or decompresses hyper-inflated lungs.

An improved prosthetic graft for the bypass, replacement or repair of vessels and organs that are in contact with blood flow is disclosed. The prosthetic graft includes a porous prosthetic implant and adherent cells adhered to the outer surface of the implant. The adherent cells are transfected with at least one recombinant nucleic acid molecule encoding at least one protein that enhances patency of the graft. The prosthetic graft has a long-term patency and success rate that is superior to other previously described prosthetic grafts designed for such use. Also disclosed are methods of making and using such a graft.

The invention discloses a method for detecting spherical boulders in shield construction to achieve the technical purpose of improving the capability of detecting the spherical boulders in the shield district. The method comprises the step of collecting geological radar echo signals in the drilling depth direction through a well geological radar, the step of primarily defining the dimensional orientation where the spherical boulders probably exist, the step of collecting potential differences and currents between two drill holes to obtain the true resistivity of a stratum between the two holes, the step of drawing the true resistivity into a contour map to define the sizes and the distribution situation of the spherical boulders in the stratum between the two holes. Compared with the prior art, the well geological radar and the hole crossing ultrahigh precision electrical method are utilized, the spherical boulders within the shield tunnel range is detected, the distribution of the spherical boulders within the tunnel range can be detected to the maximum degree, the number of the drill holes can be reduced, the detecting cost is small, meanwhile, the probability of finding the spherical boulders in the complex stratum shield district is improved, and the smooth advancing of a shield tunneling machine is guaranteed.

The invention provides a building construction progress management method. The method comprises the steps that a, a management platform acquires the real-time data of the building construction plan, the construction process and the construction progress to form an electronic data report, and the management platform is connected with and communicates with the mobile communication terminal of each engineering project leader and each engineering project leader reports the progress of the project; b, the management platform acquires the video data of the construction project progress and the safety condition through the cameras of each construction site; c, the management platform performs big data integration and analysis on the acquired electronic data to from a data analysis report and analyzes and finds out the abnormity of the building construction plan, the construction process and the construction progress and the causes thereof; and d, the management platform performs automatic risk assessment on the discovered abnormity and the causes thereof and performs automatic early warning and also intelligently adjusts the implementation scheme. Intelligent management of the building engineering can be performed so that the management personnel is enabled to master the engineering progress in real time and discover and solve the problems in time and adjust the scheme in time.

The invention discloses an interventional surgical robot subordinate end and a mobile platform and a control method of the robot subordinate end and belongs to the technical field of minimally invasive blood vessel interventional operations. The mobile platform comprises a platform main beam, and platform connection blocks are arranged on the platform main beam through a linear guide rail pair D; the platform connection blocks are driven by a platform driving mechanism and used for installing a catheter controller or a guide wire controller. The interventional surgical robot subordinate end comprises the catheter controller, the guide wire controller and the mobile platform; the catheter controller and the guide wire controller are mounted on the two platform connection blocks respectively. According to the interventional surgical robot subordinate end, the catheter controller and the guide wire controller are installed on the mobile platform, and the problem is solved that it is difficult for an existing robot to complete co-operating of a catheter and a guide wire.

The disclosed technology describes compositions and methods useful for providing cell based therapy. For example, one embodiment of cell based therapy involves the regeneration of injured tissue and / or promoting wound healing. Certain embodiments provide improved therapeutic compositions using microbubbles by delivering biological progenitor cells to the injured tissues. The administration of the microbubbles is directed by acoustic radiation forces that interact with embodiments of microbubbles comprising an acoustically active gas. As such, a high efficiency of progenitor cell delivery to injured tissue is realized. One advantage of this technique over targeted delivery of pharmaceutical compounds, is that the delivered progenitors cells may be derived from the patient (i.e., personalized therapy), thereby avoiding side effects, allergic reactions, and overall problems associated with refractive drug responses.

A printer apparatus and a method for continuously printing a three-dimensional (3D) object. The printer apparatus has an elongated container for containing build fluid comprising a monomer from which the 3D object is made. A means for continuous conveying a build platform has a build surface that descending down into the build fluid. A matrix of light emitting elements are disposed above the elongated container, and emit a predetermined pattern of a reactive light toward the continuously conveyed build surface and at the upper surface of the build fluid. The reactive light has a predetermined pattern that polymerizes and / or agglomerates a portion of the upper surface of the build fluid into a build material having a build pattern comprising the build material. The build platform can have a plurality of build surface segments attached in series along a continuous conveyor.

Devices, systems and methods for compressing, cutting, incising, reconfiguring, remodeling, attaching, repositioning, supporting, dislocating or altering the composition of tissues or anatomical structures to alter their positional or force relationship to other tissues or anatomical structures. In some applications, the invention may be used to improve patency or fluid flow through a body lumen or cavity (e.g., to limit constriction of the urethra by an enlarged prostate gland).

The invention discloses an interventional surgical robot subordinate end device and a control method thereof and belongs to the technical field of minimally invasive blood vessel interventional operations. The device comprises a main body, a catheter clamp holder, a guide wire clamp holder, a torsional component and a force measurement component; the catheter clamp holder is used for clamping catheters, the guide wire clamp holder is used for tightly clamping or loosening guide wires, and the catheter clamp holder and the guide wire clamp holder are both detachably mounted on the main body; the catheter clamp holder comprises a medical three-way valve and a clamping component, and the medical three-way valve is used for connecting the catheters and is fixed to the main body through the clamping component; the torsional component is used for driving a screw cap of the medical three-way valve to drive the catheters to rotate; the force measurement component is used for detecting push force of the catheters. The subordinate end device can clamp the catheters and tightly clamp or loosen the guide wires, achieves co-operating operation of the catheters and the guide wires, and is simple in structure and convenient to disassemble and assemble. According to the control method, the subordinate end device is controlled so that clamping, pushing, torsion and force measurement of the catheters and clamping of the guide wires can be completed, and accordingly co-operating of the catheters and the guide wires is achieved.

Obstructive Sleep Apnea (OSA) may be caused by a collapse of the pharyngeal wall as a result of increasing negative airway pressure. This invention is directed to systems and methods to resist collapse of the pharyngeal wall by minimally invasive upper pharyngeal airway surgery.

A medical device includes a curved tubular body configured for being used as an extravascular device to support vein maturation following the formation of an arteriovenous fistula. The tubular body is curved. The tubular body has an entrance angle of less than about 40 degrees to improve blood flow from the artery into the vein. And the tubular body includes a cuff or edge at the proximal end to stabilize the tubular body at the fistula.