42 results about "Coiled body" patented technology

A closure element includes a coiled body and a plurality of tissue engaging portions. The tissue engaging portions disposed about at least a portion of the coiled body. The coiled body is formed of a resilient material according to one example. According to another example, a closure element includes a spiral body and a plurality of tissue engaging portions disposed about the spiral body. The spiral body is formed from a resilient material.

The invention relates to helical retainers, particularly helical retainers adapted for use in laparoscopic surgery. One aspect of the invention provides a helical retainer having a sterile coiled body adapted and configured to secure a surgical suture, the coiled body having a plurality of coils and being formed from a strand and an extension of the strand extending from the coiled body adapted to engage a suture or to be grasped by a holding tool. Another aspect of the invention provides a method of using a helical retainer including the steps of placing a helical retainer at a desired location, the helical retainer comprising a plurality of coils, engaging a suture with the helical retainer at a first engagement point, and engaging the suture with the helical retainer at a second engagement point to secure the suture to the helical retainer.

The invention is in the field of mechanical devices. It relates to a device and methods for supporting the wall of a lumen. In particular, the invention relates to a device and method for supporting the wall of a human or animal body lumen, the device comprising a coiled body which can be inserted into a lumen and expand therein. The device may advantageously be used for treating arterial and vascular diseases, in particular coronary conditions and cardiovascular diseases. The device may also advantageously be used for the localized delivery of drugs. In particular, the invention provides a device for supporting the wall of a lumen comprising a coiled structure (10) defining an inner core (20) wherein the inner core comprises a support wire (30) comprising a shape memory material, wherein the shape memory material is programmed to make the coiled structure (10) assume a macro-coiled structure (40) upon an appropriate trigger.

The present invention provides an antenna configuration structure of an NFC (Near Field Communication) enabled medical device and comprises: a case body; a screen installed on the case body to display physiological parameters and having a screen area; an NFC-enabled module provided with a wireless antenna for data exchange wherein the wireless antenna is arranged as a coiled body which encloses an antenna area overlapping at least one region of the screen area. As such, a user who institutively approaches his/her portable device near to the screen of the NFC-enabled medical device is able to exchange data due to identical positions of the antenna and the screen in the NFC-enabled medical device as medical equipment with excellent convenience in structural design and sensing as well as a humanized interface.

Embodiments of a spring collar are provided for removably securing a disc weight to the sleeve of a barbell, as are embodiments of a magnetic spring collar attachment and associated methods. In one embodiment, the spring collar includes a resilient wire form having a permanent magnet mounted thereto. The spring collar includes a coiled body having a central aperture, and first and second radial arms extending from the coiled body. The first and second radial arms can be moved toward one another to increase the diameter of the central aperture and permit a user to slide the coiled body over the sleeve. The permanent magnet enables a user to removably secure the spring collar to a ferromagnetic surface when the spring collar is not in use.

There is provided a linear actuator, which is provided with a multipolar magnet arranged with a plurality of S-poles and N-poles alternately along an axial direction thereof; and a coiled body arranged to be relatively movable in the axial direction face to face with respect to the multipolar magnet. In this configuration, the multipolar magnet comprises an integrally formed isotropic magnet material which is magnetized into S-poles and N-poles alternately along the axial direction thereof.

An object of the present invention is to provide a guidewire capable of measuring a lesion location present in a vascular channel, preventing perforation of a vessel or the like by improving flexibility of a lesion measuring part, measuring a lesion of a peripheral portion by improving insertability of the guidewire into the peripheral portion of a tubular organ such as a vessel, and accurately measuring a lesion location inside a vascular channel even under heartbeats. The guidewire includes a core shaft and a coiled body wound around a front end of the core shaft. The coiled body is made of a coil of strand. The coil of strand is formed by arranging a radiopaque coil of strand and a radiolucent coil of strand alternately in line and connecting them with each other.

A rolling instrument for rolling the outside surface of the stomach for reducing stomach volume in bariatric surgery includes an elongated tubular body that is sufficiently flexible to allow for access to the outside surface. The tubular body includes a proximal end and a distal end. The proximal end is shaped and dimensioned for use by the medical practitioner performing the medical procedure and includes a handle for manipulation of the rolling instrument. The distal end of the tubular body includes a mechanism allowing for gripping of the stomach in a manner permitting rolling thereof. A coiled retainer shaped and dimensioned is provided for application to the rolled portion of the stomach in a manner holding the rolled portion of the stomach in its rolled configuration. The coiled retainer includes a helically coiled body having a first end and a second end, the first end is pointed such that it may puncture tissue as the coiled body is rotated during its application to the stomach.

An object of the present invention is to provide a guidewire preventing cracks from being generated at a hydrophilic coating agent and excellent in lubricity by securing flexibility of the hydrophilic coating agent on its surface side even in a case of using the cross-linked hydrophilic coating agent. The guidewire includes a core shaft, a coiled body provided at a tip portion of the core shaft, a most distal portion fixing a front end of the core shaft and a front end of the coiled body, and a hydrophilic coating agent coating the coiled body and the most distal portion and cross-linked by a cross-linking agent. The degree of cross-linking of the hydrophilic coating agent decreases from a side of the coiled body toward a surface side.

There is provided a medical guidewire (1A) having a flexible and robust front end portion. The medical guidewire (1A) includes a resin layer (20). The resin layer (20) is formed by filling a resin material between an outer coiled body (3) and an inner coiled body (10). Even when the medical guidewire (1A) is bent or curved, therefore, the outer coiled body (3) and the inner coiled body (10) do not interfere with each other. In addition, the front end portion of the medical guidewire (1A) does not become too hard. Therefore, the medical guidewire (1A) has excellent flexibility and robustness.

In order to properly press-fit or thrust a cylindrical coiled body into a cylindrical case, a fitting device is provided. The fitting device comprises a guide member formed with a conical bore of which cross section gradually reduces with increase of a distance from a top of the bore toward a bottom of the same. The cross section of the bottom of the bore is slightly smaller than that of the coiled body. The guide member is coaxially put on the cylindrical case. The fitting device further comprises a pressing member which, when actuated, presses down the cylindrical coiled body raised in the bore thereby to thrust the raised coiled body into the cylindrical case through the bottom of the bore. The pressing member includes a center base plate, two side plates positioned on both sides of the center base plate, a guide structure by which the side plates are radially movable in opposite directions with respect to the center base plate, and biasing members for biasing the side plates radially outward.

A lanyard or key chain having a non-coiled body with two connecting ends. The body is made of a resiliently deformable material and is stretchable between extended and retraced states.

An object of the present invention is to provide a highly safe guidewire 1 by increasing the bonding strength between a core shaft 2 and a coiled body 3 of the guidewire 1. The guidewire 1 includes the core shaft 2, and the coiled body 3 wound around the outer circumferential surface of the core shaft 2. A bulged portion 5 is provided at the tip portion of the core shaft 2. The front end of the coiled body 3 is bonded to the front end of the core shaft 2 with a bonding portion 6. The bonding portion 6 is provided to enclose the bulged portion 5 provided at the tip portion of the core shaft 2.

An object of the present invention is to provide a guidewire in which the movement of coils of strand is not inhibited by a hydrophilic coating agent, and flexibility of a coiled body is secured even in a case where its coiled body is coated with the hydrophilic coating agent. The guidewire includes a core shaft, a coiled body including coils of strand wound around an outer circumference of the core shaft, and a hydrophilic coating agent coating at least a part of the coiled body. At least the part of the coiled body is coated with the hydrophilic coating agent so that a gap may be formed between the coils of strand.

An actuating device, particularly for actuating valves that can be connected externally, includes a housing (10) and a coiled body (12) in the housing and having a coil winding (14). The winding encloses a pole tube (16) at least partially, having a pole core (20) connected at its free end. An armature (22) is guided in a longitudinally displaceable manner at least in the pole tube (16) within an armature chamber (24) and interacts with an actuating device (26) for actuating a valve part. The actuating part (26) is guided within the pole core (20) along an annular body (92), sealing the inside of the pole core (20) and the pole tube (16) relative to the surrounding area.

The invention discloses a method for preparing a coiled polymer lithium battery and the coiled polymer lithium battery. The coiled polymer lithium battery comprises a packaging shell and a coiled body assembled in the packaging shell, wherein the coiled body comprises a diaphragm, a positive plate and a negative plate; the positive plate and the negative plate are separated through the diaphragm and are coiled into a certain number of turns; a positive tab and a negative tab are respectively welded at the ends of the positive plate and the negative plate; the exposed end of the positive tab is perpendicular to the width direction of the positive plate; the exposed end of the negative tab is perpendicular to the width direction of the negative plate. Compared with the coiled polymer lithium battery and inner structures of positive and negative plates thereof in the prior art, the coiled polymer lithium battery in the invention has the advantages that spot welding mode and position of the tabs are adjusted, a winding structure of a battery cell is changed, the offset of the central distance between the tabs is reduced, the surfaces of the coiling layer face the airbag, the time of introducing the electrolyte into the winding core is shortened, rapid absorption of the electrolyte is promoted, and the standing time after liquid injection is reduced.

The invention discloses a high-performance wireless charging device. In order to overcome the shortcomings such as large magnetic loss of electromagnetic space, large coil size, high material consumption, low production efficiency and high cost of an existing wireless charging device, the cross section of a winding material of a coil of the high-performance wireless charging device is in a shape of non-circular rectangle or square; since winds wound by the winding material are positioned on a same plane and of consistent interval specifications, each coil winding is a coiled body comprising a plurality of flat sheet-like winds which are positioned on the same plane and of consistent interval specifications, and the coil winding can be integrally formed. The high-performance wireless charging device is mainly applied to wireless charging in the field of electric vehicles and intelligent mobile phones. Experiment shows that the space magnetic loss rate of the high-performance wireless charging device is decreased by 85%, the receiving and transmitting efficiency is improved by 20%, and defective ACR can be avoided; and the coil is small in size, occupies small space, can be formed by using a mold without manual or mechanical winding, and is low in material consumption, high in production efficiency and low in production costs, thereby significantly improving the benefit.