202 results about "Tamponade" patented technology

Two (or more), -component, body-implantable, absorbable, biocompatible, putty, and non-putty hemostatic tamponades for use in surgery. Component 1 is a finely powdered bulking material, preferably less than 50 microns, e.g. the calcium, magnesium, aluminum, or barium salts of saturated or unsaturated carboxylic acids containing about 6 to 22 carbon atoms, hydroxyapatite, DBM, polyglycolide, polylactide, poldioxinones, polycaprolactones, absorbable glasses, gelatin, collagens, mono, and polysaccharides starches.

Component 2, a dispersing vehicle, may be esters of C₈-C₁₈ monohydric alcohols with C₂-C₆ aliphatic monocarboxylic acids; C₂-C₁₈ monohydric alcohols with polycarboxylic acids; C₈-C₃₀ monohydric alcohols; tocopherol and esters thereof with C₂-C₁₀ aliphatic monocarboxylic acids or polycarboxylic acids; absorbable 10-14C hydrocarbons; free carboxylic acids such as oleic, capric, and lauric; dialkyl ethers and ketones; alkyl aryl ethers and ketones, polyhydroxy compounds and esters and ethers thereof; (ethylene oxide/propylene oxide copolymers), oils e.g. olive oil, castor oil and triglycerides.

Devices and methods are disclosed for achieving hemostasis in patients who have received skin-penetrating wounds to the periphery, including the head, arms, and legs. Such haemostatic packing devices and methods are especially useful in the emergency, trauma surgery, or military setting. The devices utilize fluid impermeable barriers surrounded by exterior dams and pressure to achieve tamponade and hemostasis, primarily by exertion of force to hold the dams against the skin surrounding a wound. The devices are capable of serving as carriers for thrombogenic, antimicrobial or antipathogenic agents. The devices do not require the use of adhesives to work as they are attached to the patient using mechanical locking devices. Peripheral haemostatic packing devices include optional adhesive hemostatic barriers to attach at least a portion of the device to the skin or to assist with initial coupling of a hold-down strap to another strap using a more secure mechanical lock. The peripheral hemostatic packing system does not completely surround the extremity having the wound and therefore do not cause a tourniquet effect. The peripheral hemostatic packing system preferably is held against the skin surrounding a wound by a force that is generally unidirectional and substantially perpendicular to the plane in which the skin of the wound resides.

An ergonomic insertion tool for insertion and retrieval of an arterial tamponade device which has an elongate connecting strut of resiliently deformable material and an arterial compressor at one end. The tool has a handle with a hand grip portion including an actuating trigger, and an elongate barrel. The barrel has a shaft and an outer sleeve telescopically engaged over the shaft. In a first position, a hooked distal end of the shaft protrudes from the sleeve to engage a bend between adjacent end portions of the connecting strut. On movement into a second position, the sleeve extends over the hooked end and compresses the deformable connecting strut into a deformed, U-shaped configuration to hold the device during insertion or retrieval. On movement back into the first position, the deformed device is released to spring out towards the expanded condition.

An enteral feeding unit or system that minimizes the occurrence of gastro-esophogeal-pharynegal reflux during feeding is described. The enteral feeding unit or device includes an automatable feeding pump with a feedback sensor for sensing a relative pressure in a patient's stomach and esophagus, and a regulator system for controlling or monitoring feeding rate to said patient as a function of said relative gastro-esophageal pressure. The system includes a stomach probe that has a fluid-tight closure of the esophagus. The stomach probe, according to the invention, is characterized by a tampon-bladder for watertight closure of the esophagus, in which the tampon-bladder forms from flexible and/or elastic material at least a closed inner cavity for the reception of a fluid medium, through a means (11) of establishing a prescribed pressure for the medium in the tampon-bladder (16) by an inner lumen forming the actual stomach probe, from which an outer hose-like lumen (18) extending to the tampon-bladder (16) is so arranged that between the outer lumen (18) and the inner lumen (17) a channel is formed connected to the inner cavity of the tampon-bladder (16) arranged on the outer lumen (18) by a number of openings (20), whereby the inner cavity of the tampon-bladder (16) is connected via the canal formed between the inner and outer lumina (17, 18) with the means of production of pressure in the tampon-bladder, that is, with a suitably graded reservoir or equalizing vessel (11) for the liquid medium situated above the tampon-bladder and outside the patient.

The present invention provides a tampon pledget with one or more of the following properties: increased absorbency rate; high absorbent capacity and fluid retention; rapid expansion potential; and ease of ejection of the pledget from the applicator. Surprisingly, the one or more properties are achieved by using a modified dual cross-pad, folded, compressed tampon pledget design.

Digital tampons are disclosed which are capable of radially expanding into a non circular cross-sectional shape upon exposure to a wet environment, typically in use condition, so as to reduce bypass leakage. The inventions also relates to tampon blanks and a process of producing the tampons.

Provided is a tampon applicator having one or more insertion indicators to gauge and/or control the insertion depth of a tampon. The one or more insertion indicators may be located on the tampon applicator barrel, plunger, tampon, removal string, or any combinations thereof. As a result of the one or more insertion indicators, a woman can adjust the insertion depth of the tampon to her body's requirements ensuring leakage protection, comfort, or both.

The disclosure concerns a compressed menstrual tampon including an elongated generally rod-shaped absorption body having an insertion end and a withdrawal end and having a withdrawal string extending from the withdrawal end. The absorption body has at least one wave-shaped compression line extending continuously from the insertion end to the withdrawal end.

A transvaginal drug delivery system comprising: (a) a deposition comprising an effective amount of said drug and, optionally, a wetting agent; and (b) a polymeric support on which said deposition is deposited. Also disclosed is a catamenial tampon for insertion in a human vagina comprising: (a) an inner core comprising an absorbent material; (b) an outer layer comprising a liquid-permeable material; and (c) a delivery system according to the invention. A method of transvaginal drug delivery is also described.

There is provided a tampon pledget that expands without the aid of moisture or menses. The tampon pledget has a plurality of high resiliency, non-absorbent fibers and a plurality of absorbent fibers. The tampon pledget has improved comfort as compared to conventional fully compressed tampon pledgets.

Two (or more), component, body-implantable, absorbable, biocompatible, putty-like surgical mechanical hemostatic tamponades for use in surgery. Component 1, a carboxylic acid salt bulking material preferably less than 50 micron, preferably the calcium, magnesium, zinc, aluminum, lithium or barium salts of saturated or unsaturated carboxylic acids containing about 6 to 22 carbon atoms.

Component 2, a dispersing vehicle, may be esters of C₈-C₁₈ monohydric alcohols with C₂-C₆ aliphatic monocarboxylic acids; C₂-C₁₈ monohydric alcohols with polycarboxylic acids; C₈-C₃₀ monohydric alcohols; tocopherol and esters thereof with C₂-C₁₀ aliphatic monocarboxylic acids or polycarboxylic acids; absorbable 10-14C hydrocarbons; free carboxylic acids such as oleic, linoleic, caprylic, capric, and lauric; dialkyl ethers; alkyl aryl ethers; dialkyl ketones and alkyl aryl ketones; polyhydroxy compounds and esters and ethers thereof; oils such as olive oil and castor oil and triglycerides.

An internal compression tourniquet catheter system and method for wound track navigation for controlling hemorrhage from wounds. The preferred embodiments include an inflatable member constructed of thin, flexible, biocompatible, and puncture resistant material such that when deflated it lies flat and can be wrapped around the catheter shaft, which passes within and has a lumen to inflate it, to minimize overall diameter when deflated for insertion into the tissue track created by the wounding agent. The inflatable member is of large potential volume enabling full inflation with near zero internal pressure when unconstrained externally. When positioned within a wound track and inflated, the gas or liquid injected into the balloon lumen creates pressure because its expansion is constrained by the tissues of the wound, and that pressure is transmitted directly to the surrounding tissue of the wound track. The pressure exerted on the tissue can be precisely measured and controlled, automatically if appropriate, such that sufficient pressure is applied to tamponade bleeding, but not damage tissue. Since the balloon is of large potential volume, it can easily expand to fill and compress small, large, and irregular wound tracks and can successfully tamponade wounds that smaller, elastic balloon catheters would be unable to tamponade. The catheter system includes means to assist insertion into the wound track, including a rounded or bulbous exploring tip and an internal stylet. In it non-inflatable embodiments, the my devices are introduced into the wound track and deliver hemorrhage controlling agents or materials which are designed to promote clotting of the wound or to occupy space to assist in tamponade of the bleeding.

A tampon has a generally uniform fiber distribution along its length, an insertion end, a withdrawal end, and a longitudinal axis. A finger recess having a depth of at least about 5 mm is formed into the withdrawal end. Nonetheless, a column strength of at least about 10 Newtons (N) can still be achieved. The tampon can be formed by winding an absorbent fibrous web around a winding mandrel; transferring the blank into a press; inserting a forming mandrel into one end of a tampon blank while the tampon blank is positioned in the press; moving a plurality of press jaws toward a central longitudinal press axis to compress the tampon blank and to form a compressed tampon having a finger recess formed into the one end of the tampon; and ejecting the compressed tampon from the press.

A suitable tampon with a tampon applicator for expelling the tampon to provide side-to-side coverage and inserting the tampon into a body cavity is provided. The tampon applicator has a tampon holder tube having interior and exterior surfaces, a longitudinal axis, a hollow portion and an expulsion end dimensioned for insertion into the body cavity. The tampon holder tube has a feature for separating and spreading a tampon apart during expulsion of the tampon. A plunger may also be telescopically and slidably mounted in the tampon holder tube distal to the expulsion end and adapted to directionally expel the tampon from the tampon holder tube when a user expels the tampon from the tampon holder tube.

Implant apparatus and method for effecting a controlled heating of tissue within the region of dermis of skin. The heater implants are configured with a thermally insulative generally flat support functioning as a thermal barrier. One surface of this thermal barrier carries one or more electrodes within a radiofrequency excitable circuit as well as an associated temperature sensing circuit. The implants are located within heating channels at the interface between skin dermis and the next adjacent subcutaneous tissue layer such that the electrodes are contactable with the lower region of dermis. During therapy a conformal heat sink is positioned against the skin above the implants and a slight tamponade is applied through the heat sink to assure uniform dermis contact with electrode surfaces. An adjuvant may be employed to infiltrate dermis to significantly lower the thermal threshold transition temperature for dermis or dermis component shrinkage.

Implant apparatus and method for effecting a controlled heating of tissue within the region of dermis of skin. The heater implants are configured with a thermally insulative generally flat support functioning as a thermal barrier. One surface of this thermal barrier carries one or more polymerically encapsulated heater resistor segments with a lead assemblage exhibiting a 4-point topology. Each of the encapsulated heater segments may be thermally associated with a metal thermal spreader dimensioned in correspondence with and aligned with the heater segments. The implants are located within heating channels at the interface between skin dermis and the next adjacent subcutaneous tissue layer such that the heat spreaders are contactable with the lower region of dermis. During therapy a conformal heat sink is positioned against the skin above the implants and a slight tamponade is applied through the heat sink to assure a proper form of conduction heat transfer. An adjuvant may be employed to infiltrate dermis to significantly lower the thermal threshold transition temperature for dermis or dermis component shrinkage. The method and apparatus also may be employed in the treatment of capillary malformation (port wine stain).

A device for tamponade of body cavities and for mechanical anchoring of a catheter, the device including a flexible tube segment (2) having an inner wall (4) and an outer wall (6) that surround an interior space (8), wherein the tube segment (2) is inflatable, and is configured without through-passing support bodies so that a displacement of tube wall material between the inner wall (4) and the outer wall (6) of the tube segment (2) is possible by inflation of the tube segment, wherein the tube segment is provided with two ends (7,9), which are fastened to a same closing element (10), configured so that a torus geometry is striven for as the inflatable tube segment (2) is inflated and the closing element (10) is a pipe nipple and the two ends (7,9) of the tube segment (2) are joined together fluid-tightly.

A tampon pledget has an absorbent mass of material and a withdrawal string located at one end thereof. During use, the tampon pledget expands to take on a geometric configuration that approximates the shape of the vagina into which the tampon pledget is inserted. An anthroprometrically expandable tampon pledget has an absorbent mass of material that is defined by a first end having a first density, a second end having a second density, and a portion intermediate the first and second ends. The material expands at different rates upon being contacted by body fluids, thereby allowing the tampon pledget to conform to the shape of a vagina. A method of making an expandable tampon pledget includes the steps of providing an absorbent material, attaching a string thereto, and compressing the material into a cylindrical shape such that a density gradient is realized over a length of the compressed material.

There is provided a tampon having a plurality of pledget segments with each segment having one or more layers of absorbent material and one or more layers of semipermeable material. The one or more semipermeable layers of each segment forms an absorption restriction boundary to the next adjacent segment that allows each segment to absorb and expand independently from the other segments. The plurality of pledget segments can be positioned in a coverstock bag.