290results about How to "Easy piercing" patented technology

A tubular suction tool for accessing an anatomic surface or anatomic space and particularly the pericardium to access pericardial space and the epicardial surface of the heart to implant cardiac leads in a minimally invasive manner are disclosed. The suction tool incorporates a suction pad concave wall defining a suction cavity, a plurality of suction ports arrayed about the concave wall, and a suction lumen, to form a bleb of tissue into the suction cavity when suction is applied. The suction cavity extends along one side of the suction pad, so that the suction pad and suction cavity can be applied tangentially against a tissue site. The suction tool can incorporate light emission and video imaging of tissue adjacent the suction pad. A working lumen terminating in a working lumen port into the suction cavity enables introduction of tools, cardiac leads, and other instruments, cells, drugs or materials into or through the tissue bleb drawn into the suction cavity.

Disclosed is a cartridge containing one serving of coffee powder for preparing a coffee beverage. The bottom of the cartridge is provided with a passage covered by a gas-tight foil. The foil is manually removed before the cartridge is inserted into the coffee machine. Between the passage and the coffee powder, a filter element is disposed, preventing coffee powder to escape from the cartridge. The passage shall prevent a hydraulic pressure build-up in the cartridge, which would lead to the formation of froth.

A catheter provided with a guidewire catheter lumen having a thin covering that is easily punctured by a guidewire at virtually any desired point along the catheter length. The thin covering may be integral with the catheter shaft, or may be a separate component that covers only the portion of the catheter shaft immediately adjacent the outer portion of the guidewire lumen, or may be a thin tubular construct that surrounds the entire catheter shaft. The covering is preferably relatively translucent, allowing for good visualization of the location of the end of the guidewire to enable puncturing of the covering at the desired location along the length of the catheter shaft. The covering is also preferably tear resistant at puncture sites. The catheter shaft is preferably made of a material having a color that provides good visibility against an operating field, and more preferably is phosphorescent either entirely or in part. Materials suitable for the catheter shaft are polymeric materials well known in the art; the catheter shaft may optionally be provided with metallic stiffening components such as wires or hypotubes along all or part of the catheter length.

A closure and method of making a closure are disclosed. The closure includes a cap body having a top portion and an opening extending therethrough defining a cavity in communication with said opening. A flow channel is defined within a portion of the cap body having an inlet and an outlet. A stopper is disposed within the cavity adjacent the outlet of the flow channel. The stopper is formed from a material adapted for flowing through the flow channel to form a pierceable portion, with at least one of the cap body and the stopper configured for closing a container.

The invention discloses a polymer micro-needle array chip. The chip comprises a micro-needle array and a substrate used for the standing of the micro-needle array; and the matrix material of the micro-needle array is a polyacrylamide polymer. The invention also discloses a preparation method of the polymer micro-needle array chip, a micro-needle transdermal drug delivery patch prepared through utilizing the polymer micro-needle array chip, and a preparation method of the patch. The micro-needle of the polymer micro-needle array chip has a high mechanical strength and a sharp needle point, so the skin cuticle can be easily pierced; the preparation method avoids a high-temperature processing treatment step, and is in favor of maintaining the activities of biomacromolecules comprising polypeptides, proteins and the like; the polyacrylamide polymer can easily dissolve or swell after meeting with the water-containing environment, and is in favor the sustained release of drugs in skins; and the preparation method of the polymer micro-needle array chip based transdermal drug delivery patch is simple, so the batch produced can be realized through utilizing present manure processing technologies.

A vertebral cleat and a vertebral support system employing the vertebral cleat is provided. Preferably, the vertebral cleat includes a base member having a superior and an inferior surface; an elongate keel portion having a cutting edge thereon depending from the inferior surface of the base member; and a spike portion depending from the inferior surface of the base member, the spike portion having a height that is greater than a height of the elongate keel portion. There is also provided a tool for grasping and implanting the vertebral cleat in a plurality of insertion configurations.

The present invention relates to a pharmaceutical composition for inhalation, consisting in a combination of (A) a dry powder formulation containing a micronized active ingredient, alone or mixed with an inactive ingredient, said powder being filled in a hydroxypropylmethylcellulose (HPMC) capsule and (B) a single dose dry powder inhaler device especially adapted to said capsule to provide a high respiratory dose of said active ingredient when said drug is inhaled by the mouth through said device. Said device being characterized in that he is equipped with piercing is needles or pins (in order to pierce the capsule) of diameter of not less than 0.8 mm preferably not less than 1 mm.

The invention relates to a device for inserting needles, including a body defined by a proximal end and a distal end, a mounting movably mounted inside the body, at least one needle secured to the mounting, a drive means suitable for driving the mounting towards said distal end, said mounting comprising a distal surface onto which the needle projects, said distal end comprising a contact area intended for contacting the tissue, the mounting being configured so as to reach a position, after activating the driving means, in which the distal surface thereof, relative to said proximal end, is more distant than said contact area, wherein the device is further configured so as to enable a gradual passive return movement of the mounting once said position has been reached.

Novel catheter constructions comprising thin covering or wrapping materials such as polymer films. A catheter provided with a guidewire catheter lumen having a thin covering that is easily punctured by a guidewire at virtually any desired point along the catheter length. The thin covering may be integral with the catheter shaft, or may be a separate component that covers only the portion of the catheter shaft immediately adjacent the outer portion of the guidewire lumen, or may be a thin tubular construct that surrounds the entire catheter shaft. Moreover, polymer film can be used in combination with one or more elements to produce novel catheter constructions.

An oil and gas well shaped charge perforator capable of providing an exothermic reaction after detonation is provided, comprising a housing, a high explosive, and a reactive liner where the high explosive is positioned between the reactive liner and the housing. The reactive liner is produced from a composition which is capable of sustaining an exothermic reaction during the formation of the cutting jet. The composition may be selected from any known formulation which is suitable for use in an oil and gas well perforator, typically the composition will comprise at least one metal and at least one non-metal, wherein the non-metal is selected from a metal oxide, or any non-metal from Group III or Group IV or at least two metals such as to form an intermetallic reaction. Typically at least one of the metals in the invention may be selected from Al, Ce, Li, Mg, Mo, Ni, Nb, Pb, Pd, Ta, Ti, Zn or Zr. The liner composition may preferably be a pressed particulate composition, such that the material is consolidated under pressure to form the desired shape of the liner. To aid consolidation a binder may also be added.

A rotary plant growing apparatus has a cylindrical structure rotatably mounted on a support base. The cylindrical structure consists of a plurality of baskets in which plants may be grown and rotates around a rotational axis such that the baskets are at least partially immersed in nutrient reservoir containing a liquid nutrient for nourishing the plants. A light source extending at least partially through the cylindrical structure provides light for growth of plants. The baskets are securely and removably attached to rims of the cylindrical structures by pins extending therefrom and which have heads which retaining the pins in apertures therefore on the rims. A motor and gear arrangement provides rotation of the cylindrical structure.