39results about How to "Reduce retraction" patented technology

A bone graft system for providing bone graft material to a site of interest includes a multiple unit bone graft material loading device and a conduit. The multiple unit bone graft material loading device is configured to accept a plurality of pre-formed bone graft material units and includes a plurality chambers configured to accept a pre-formed bone graft unit. The conduit includes a first opening and second opening. The first opening is operably connected with the multiple unit bone graft material loading device to accept bone graft material from the multiple unit bone graft material loading device. The second opening is configured to deliver bone graft material to a site of interest.

A biological navigation device that can be attached or integrated with an elongated element, such as a colonoscope, is disclosed. The device can be used for navigation through a biological lumen. The device can have an everting tube controllably tearable substantially in the direction of the long axis of the device. The elongated element can be deployed through a channel formed in the inner virtual space of the channel extending along the long axis.

A bone graft system for providing bone graft material to a site of interest includes a multiple unit bone graft material loading device and a conduit. The multiple unit bone graft material loading device may be configured to accept a plurality of pre-formed bone graft material units and includes a plurality chambers configured to accept a pre-formed bone graft unit. The conduit may include a first opening and second opening. The first opening may be operably connected with the multiple unit bone graft material loading device to accept bone graft material from the multiple unit bone graft material loading device. The second opening may be configured to deliver bone graft material to a site of interest.

A spacer for implantation between adjacent vertebrae is provided. The spacer includes a distal end and a proximal end. The spacer also includes top and bottom surfaces spaced by sides. The top and bottom surface define a height, and the sides define a width. Each of the sides of the spacer may include a depressed region sunk into the side including a sloped surface at least toward the proximal end of the spacer. The distance between the sloped surfaces of the sides may decrease proximally to form a web having a leading edge proximate to the proximal end of the spacer. The web may be sized and configured to aid distribution of bone graft material to either side of the spacer, wherein bone graft material is supplied to a site of interest is distributed to at least one side of the spacer.

A spacer for implantation between adjacent vertebrae is provided. The spacer includes a distal end and a proximal end. The spacer also includes top and bottom surfaces spaced by sides. The top and bottom surface define a height, and the sides define a width. Each of the sides of the spacer also includes a depressed region sunk into the side including a sloped surface at least toward the proximal end of the spacer. The distance between the sloped surfaces of the sides decreases proximally to form a wedge having a leading edge proximate to the proximal end of the spacer. The wedge is sized and configured to aid distribution of bone graft material to either side of the wedge, wherein bone graft material is supplied to a site of interest is distributed to at least one side of the wedge.

A system for harnessing power from wind using a wind capturing structure. An axis of rotation could be central to the system, and the lines could rotate around this axis. Features for the wind capturing structure include effective downwind power generation using a durable, lightweight, inexpensive structure that may be safe in the event of a crash, and easily modified to reduce drag for retraction. The capturing structure creates lift in a low altitude environment, capable of operating in high wind conditions. The lines include minimal mass to permit lift at low altitudes, and are constructed with maximum tensile strength to prevent failure in high winds. A versatile wind capturing structure could include a kite operable in variable conditions for efficient and consistent production of force. The power producing cycle of a system capturing power from wind should maximize the efficiency of the system.

A spacer for implantation between adjacent vertebrae is provided. The spacer includes a distal end and a proximal end. The spacer also includes top and bottom surfaces spaced by sides. The top and bottom surface define a height, and the sides define a width. Each of the sides of the spacer may include a depressed region sunk into the side including a sloped surface at least toward the proximal end of the spacer. The distance between the sloped surfaces of the sides may decrease proximally to form a web having a leading edge proximate to the proximal end of the spacer. The web may be sized and configured to aid distribution of bone graft material to either side of the spacer, wherein bone graft material is supplied to a site of interest is distributed to at least one side of the spacer.

The invention relates to the field of medical devices, and more specifically discloses a biodegradable stent based on a modified polylactic acid or a polylactic acid copolymer, and a preparation method thereof. According to the present invention, a linear polylactic acid or polylactic acid copolymer with a high molecular weight is blended with a biodegradable cross-linking agent, injection extrusion, injection molding or other processing methods are adopted to prepare a pipe material, the pipe material is subjected to a cross-linking polymerization reaction to form a semi-interpenetrating polymer network, and finally laser cutting is adopted to obtain the stent. The stent has characteristics of sufficient mechanical strength, sufficient structural stability, and improved processability.

The invention belongs to the field of medical instrument, and specifically provides a degradable vascular stent which is prepared via laser cutting of high molecular tubes, wherein the high molecular tubes possess three-dimensional crosslinked network structures. The invention also provides a method used for preparing the degradable vascular stent. The degradable vascular stent is high enough in mechanical strength, and is high in elasticity modulus at body temperature, so that the degradable vascular stent can be prepared with a compact size, is capable of providing enough radial support force against vascular walls, is capable of avoiding retraction in blood vessels as far as possible, and is capable of controlling degradation rate of the degradable vascular stent according to recovering time of vascular diseases.

Described are preferred prosthetic valve devices including an extracellular matrix (ECM) material coated with a microtubule inhibiting agent and affixed to a stent. The stent is configured such that the coated ECM material is formed into one or more leaflets. In preferred embodiments, the prosthetic valve devices are configured for use in vascular applications.

The invention is generally directed to treatment of neuronal injury. In particular, the invention is directed to reducing axonal retraction (“dieback”) that occurs as a result of the interaction of activated macrophages with dystrophic axons that are produced during nervous system acute or chronic injury. The invention is also directed to promoting axonal growth / regeneration. The invention is specifically directed to using stem cells or their secreted cellular factors, such as would be produced in conditioned cell culture medium, to ameliorate or prevent axonal dieback and / or promote growth / regeneration of axons.

An edge connector for transmitting signals at a high frequency, for example in a system environment with a frequency higher than 2.0 GHz or 3.0 GHz, is provided. The connector includes a housing and at least a first and a second conductors disposed in the housing. Each conductor has a contact portion and a terminal portion, and each contact portion form a contact surface. The at least first and second conductors are disposed in the housing in such a manner that, both the contact surfaces face a first direction, the terminal portion of the first conductor is offset from the contact portion of the first conductor along the first direction, and the terminal portion of the second conductor is offset from the contact portion of the second conductor along a second direction which is opposite to the first direction.

The invention relates to a rollover protection system for motor vehicles with at least one rollover body that in a normal state can be held by means of a holding mechanism in a lower, stored resting position and can be brought in a sensor-controlled manner into a deployed, locked protective position, with release of the holding mechanism. In such rollover protection systems, in order to minimize in a simple manner the mechanical stress on the bearing points of the rollover body or of the locking mechanism in the protective position arising in a rollover, the invention provides that at least one deformation element is integrated into rollover body, formed from at least two elastic and / or plastic deformation-defined, energy-reducing partial elements of the rollover body that can be slid into one another. The rollover body has two bar arms, at least one of which has at least two arm elements that can be slid into one another as partial elements of the rollover body for the deformation element.

The invention discloses a degumming method of a printed circuit board. Pre-degumming is carried out before degumming, and a primary pre-degumming process comprises the following procedures: board loading, rough grinding, swelling, degumming, neutralizing, drying and board baking. The degumming method of the printed circuit board, disclosed by the invention is characterized in that a pre-degumming process is added on the basis of the original degumming process, by means of the degumming process flow, the board is degummed completely, a resin recession phenomenon is reduced, the phenomenon that no copper is in plated through holes is reduced, and in addition, the board can well meet quality requirements in the aspects of inner-layer separation, hole wall separation, copper disconnection, diffusion coating and resin recession.

An edge connector for transmitting signals at a high frequency, for example in a system environment with a frequency higher than 2.0 GHz or 3.0 GHz, is provided. The connector includes a housing and at least a first and a second conductors disposed in the housing. Each conductor has a contact portion and a terminal portion, and each contact portion form a contact surface. The at least first and second conductors are disposed in the housing in such a manner that, both the contact surfaces face a first direction, the terminal portion of the first conductor is offset from the contact portion of the first conductor along the first direction, and the terminal portion of the second conductor is offset from the contact portion of the second conductor along a second direction which is opposite to the first direction.

The invention discloses a sailing-on-water and land-running switching system of an amphibious vehicle-vessel. The sailing-on-water and land-running switching system of the amphibious vehicle-vessel comprises a power switch device and four wheel deploying and retracting devices, the power switch device is arranged in the middle portion of a vessel body, and the four wheel deploying and retracting devices are separately arranged in broadside niches on the middle portions of vertical two sides of the vessel body. The power switch device comprises a car wheel transmission system and a propeller transmission system, wherein transmission lines of the car wheel transmission system and the propeller transmission system are perpendicular to each other, and the car wheel transmission system and thepropeller transmission system are jointly arranged in a transmission box body. A car wheel clutch operation mechanism and a propeller clutch operation mechanism are separately arranged on the outer side of the transmission box body. A method of the sailing-on-water and land-running switching system of the amphibious vehicle-vessel comprises different steps of amphibious vehicle-vessel sailing on water and running on land. The sailing-on-water and land-running switching system of the amphibious vehicle-vessel is compact in structure, the use of the method is convenient, one way of power is reduced, the internal power and shafting arrangement of the vehicle-vessel are optimized, the total weight of the sailing-on-water and land-running switching system is reduced, the manufacturing cost is reduced, additional float resistance is reduced, fuel consumption is reduced, and use cost is saved.

The invention is generally directed to treatment of neuronal injury. In particular, the invention is directed to reducing axonal retraction (“dieback”) that occurs as a result of the interaction of activated macrophages with dystrophic axons that are produced during nervous system acute or chronic injury. The invention is also directed to promoting axonal growth / regeneration. The invention is specifically directed to using stem cells or their secreted cellular factors, such as would be produced in conditioned cell culture medium, to ameliorate or prevent axonal dieback and / or promote growth / regeneration of axons.

A pallet transfer system capable of smoothly transferring a pallet between a machine tool and a pallet conveying device is provided.The pallet transfer system includes an intermediated station to temporally place a pallet between a front ward position of a pallet stand-by position and the pallet stand by position. The pallet P on a conveying plate 22 at a stand-by position Q3 is carried to a temporally placing position Q4 by horizontally moving of the conveying plate 22. Then the pallet is transferred to the intermediate position by being supported by lift arms 35 and 35 which are raised from the conveying plate 22. Further, the pallet supported by the lift arms at the temporally placing position is transferred from the intermediate station to a stacker crane 12 by a stacker crane being advanced toward an intermediate station 14 side and entered into an entering space below the pallet P.

The invention relates to a device for reducing the retraction of the edges (4.1) of an opened fascia (4) of a patient (1) having an open soft tissue defect, in particular having an open abdominal wall (2) or an open soft tissue defect on the back, via which a tensile force (A, B) can be applied to the edges (4.1) of the fascia (4) by a force component (A1, B1) directed away from the body of the patient (1), such that the device (11) holds the edges (4.1) of the fascia (4) under tension and spaced apart from each other and that furthermore there is an open soft tissue defect, in particular an opened abdominal wall (2), or an open soft tissue defect on the back. The invention further relates to a kit for treating an open soft tissue defect, in particular of an opened abdominal wall (2) or of an open soft tissue defect on the back, having at least one sponge (9, 15, 28) for filling out an opening (7) of a soft tissue defect, in particular in the abdominal wall or of an open soft tissue defect on the back, and having such a device (11) for reducing the retraction of the edges (4.1) of an opened fascia (4).

An injection device, which comprises a nozzle and which is used for an underground coal gasification process; the nozzle and the injection device are used for continuously injecting a high-concentration oxidant into an underground coal layer during the underground coal gasification process, in which case the high-concentration oxidant may be used safely and steadily to obtain a high-quality and stable product gas, while a retraction cycle and / or a retraction distance of a retraction method in the existing technology may be greatly shortened, thus achieving the continuous and steady operation of the underground coal gasification process. Also disclosed is a method for operating the injection device.

The invention relates to in-home heating equipment convenient to take in. The in-home heating equipment comprises a main body, a circulating mechanism and two moving mechanisms, wherein the circulating mechanism comprises a first driving assembly, a second driving assembly, a first sliding rod, a driving block, two moving sleeving pipes, two second sliding rods, two first springs and two fans; each moving mechanism comprises a mounting sleeving pipe, a lifting block, a lifting rod, a limiting ring, a rotating ring, two connecting assemblies and two moving wheels; and the first driving assemblycomprises a first motor and a screw rod. According to the in-home heating equipment disclosed by the invention, the fans are driven by the circulating mechanism to move, so that the dissipating efficiency of heat quantity of a heating oil heater is improved, and the heating effect of the heating oil heater is improved; and each rotating rod rotates through the corresponding moving mechanism, under the limiting effect of a first limiting groove and a second limiting groove, the stability of the rotating rods is improved, so that the extending and retracting of the moving wheels are realized, and the convenient degree of taking in of the heating oil heater is improved.

The invention is generally directed to treatment of neuronal injury. In particular, the invention is directed to reducing axonal retraction (“dieback”) that occurs as a result of the interaction of activated macrophages with dystrophic axons that are produced during nervous system acute or chronic injury. The invention is also directed to promoting axonal growth / regeneration. The invention is specifically directed to using stem cells or their secreted cellular factors, such as would be produced in conditioned cell culture medium, to ameliorate or prevent axonal dieback and / or promote growth / regeneration of axons.

The invention discloses a novel glass cleaner. The glass cleaner comprises a window inside cleaning body and a window outside cleaning body, the window inside cleaning body and the window outside cleaning body attract each other through separately-arranged magnets, and the cleaning surface of each cleaning body is provided with a rubber scraping strip for cleaning glass. The window inside cleaning body and the window outside cleaning body are connected to a water outlet of a water supply device through guide pipes respectively; flow channels for water to flow through are arranged inside the window inside cleaning body and the window outside cleaning body, the water inlets of the flow channels are connected with the water outlets of the guide pipes; and the flow channels are communicated with channels communicated with water spraying nozzles on the cleaning surfaces. The novel glass cleaner has a water spraying function and enables glass cleaning to be simple and the cleaned glass to be clean; the window inside cleaning body and the window outside cleaning body are connected with elastic filaments, so that the folding and unfolding can be achieved freely. According to the novel glass cleaner, by means of a structural design, the device is simplified, the weight is reduced and the operation is facilitated; the novel glass cleaner is a stable and efficient glass cleaning tool.

The invention discloses a sailing-on-water and land-running switching system of an amphibious vehicle-vessel. The sailing-on-water and land-running switching system of the amphibious vehicle-vessel comprises a power switch device and four wheel deploying and retracting devices, the power switch device is arranged in the middle portion of a vessel body, and the four wheel deploying and retracting devices are separately arranged in broadside niches on the middle portions of vertical two sides of the vessel body. The power switch device comprises a car wheel transmission system and a propeller transmission system, wherein transmission lines of the car wheel transmission system and the propeller transmission system are perpendicular to each other, and the car wheel transmission system and thepropeller transmission system are jointly arranged in a transmission box body. A car wheel clutch operation mechanism and a propeller clutch operation mechanism are separately arranged on the outer side of the transmission box body. A method of the sailing-on-water and land-running switching system of the amphibious vehicle-vessel comprises different steps of amphibious vehicle-vessel sailing on water and running on land. The sailing-on-water and land-running switching system of the amphibious vehicle-vessel is compact in structure, the use of the method is convenient, one way of power is reduced, the internal power and shafting arrangement of the vehicle-vessel are optimized, the total weight of the sailing-on-water and land-running switching system is reduced, the manufacturing cost is reduced, additional float resistance is reduced, fuel consumption is reduced, and use cost is saved.

The invention provides a broad brush. An inclined insertion hole is respectively arranged on two sides of a brush head of the broad brush and with brush hairs, correspondingly inserted insertion heads with narrow brush hairs are both arranged in the inclined insertion holes on the two sides, elastic clamp heads are arranged on the insertion heads, and clamp holes correspondingly clamped with the elastic clamp heads are respectively formed on the two sides of the brush head. According to the broad brush, width of the broad brush can be adjusted by inserting the insertion heads with the narrow brush hairs on two sides with the insertion holes, so that different requirements for use can be met.

The invention discloses a treatment device of metal package surface hazardous wastes. The device comprises a base, a hot cleaning furnace, a heat exchanger, an SCR denitration reaction tower, an active carbon spraying system, a wet method deacidification tower, a cloth bag dust remover and an induced draft fan are arranged at the upper end of the base in sequence, a heat exchange condenser is arranged at the upper end of the SCR denitration reaction tower, the hot cleaning furnace comprises a first combustion chamber and a second combustion chamber arranged on the first combustion chamber, thefirst combustion chamber and the second combustion chamber are arranged on the base, the second combustion chamber is connected with the heat exchanger through a first channel pipe, the heat exchanger is connected with the SCR denitration reaction tower through a second channel pipe, and the SCR denitration reaction tower is connected with the active carbon spraying system through a third channelpipe. The device is reasonable in design, through the pyrolysis principle, the hazardous wastes tainted on the surface of a metal package are stripped and treated effectively, recycling of old metalpackage can be achieved, and the discharging and running cost of the pollutant can be reduced.