826results about "Tampons" patented technology

The invention relates to the technical field of intelligent forming, in particular to an intelligent adjusting type medical cotton ball forming method and system.The intelligent adjusting type medical cotton ball forming method comprises the following steps that pressure data are collected through a distributed pressure sensor array, pressure feature vectors are generated through Gaussian filtering denoising, a pressure change trend is analyzed based on the feature vectors, and a gradient adjusting instruction is output; and controlling the valve to adjust air pressure to obtain compensation parameters, driving the servo motor to adjust a mold gap, collecting offset data to generate a feedback signal, and inputting a neural network to evaluate a forming result in combination with feedback and adjustment instructions. According to the method, a distributed sensor array collects data, multi-dimensional denoising improves feature extraction, a dynamic function analyzes a pressure trend, an offset adjustment parameter is identified, closed-loop compensation is realized through cooperative control, a displacement sensor feeds back gap change, parameter modeling optimizes precision consistency, a convolutional network extracts time sequence features, and a self-adaptive system is constructed through fusion analysis. And intelligent prediction and optimization of the forming quality are realized.

The present invention relates to the field of sanitary products, and discloses an absorbent core and its application, including a central absorbent area and a peripheral absorbent area, wherein the peripheral absorbent area is arranged around the central absorbent area, the vertical height of the central absorbent area is lower than that of the peripheral absorbent area, and both areas are provided with a plurality of holes in the height direction. The present invention enables the absorbent core of the sanitary napkin to form a concave structure that is flat on the outside and sunken on the inside as a whole, thereby creating a larger volume of menstrual blood storage and absorption space; and the holes in the central absorbent area and the peripheral absorbent area show a change in diameter from the height direction, starting from the actual situation, while increasing the absorption rate and reducing the upward reverse osmosis of menstrual blood, it also ensures the comfort of the user.

In an embodiment, a polyurethane comprises the residues of i. an aliphatic diisocyanate, ii. an aliphatic diol comprising a poly(ethylene oxide) moiety, iii. an aliphatic diol comprising a polycarbonate moiety, and iv. a chain extender, wherein the polyurethane has a melting temperature of 140° C. or less and has a weight average molecular weight of from 100,000 to 500,000 g / mol. In an embodiment, the polyurethane is substantially devoid of catalyst. In an embodiment, the polyurethane is formed by reactive extrusion. In an embodiment, a medical device comprises the polyurethane and a bioactive agent. The medical devices, methods, and polyurethanes may exhibit benefits in end-product biostability, drug release profile, health and safety, and processing speed or reproducibility.

The present invention relates to a swab applicator (1) for use with a sampling cloth (4) comprising a swab rod (2) and an elongated swab head (3) disposed at an end of the swab rod (2) and the swab rod and head are connected to one another at a breakable section (5) which comprises two connection walls (6) formed integrally with the swab rod (2) and head (3) and a through hole (7) extending transversally on the central longitudinal axis of the breakable section (5) and delimited by the connection walls (6), wherein each of the connection walls (6) has two lateral side faces that taper in the proximity of the breakable section (5) towards its central transverse axis resulting in a pre-determined minimum length and thickness of each of the two connection walls (6) proximally to the central transverse axis of the breakable section (5) such that the two connection walls (6) are strong enough to hold the swab rod (2) and swab head (3) together during normal use of the applicator (1) and breakable upon application of a breaking force to the swab rod (2). The invention also relates to a swab kit comprising the swab applicator (1) and the sampling cloth (4).

The invention discloses a dry-state smooth wrapping cloth tampon and a preparation method thereof. The preparation method comprises the following steps that S1, cotton fibers are carded, laid, overlapped, shaped and cut to obtain a cotton fiber layer; s2, wrapping the cotton fiber layer with modified smooth cotton fibers, pressing to obtain a strip-shaped fiber layer, and fixing cotton threads at the center of the strip-shaped fiber layer to obtain a strip-shaped fiber layer with the cotton threads; s3, the strip-shaped fiber layer with the cotton threads is curled to form a long-strip cylindrical absorber, compression molding and microwave heating treatment are conducted, and a tampon body of the tampon is obtained; and S4, loading into a guide pipe to obtain the dry-state smooth wrapping cloth tampon. After the non-woven fabric is modified, the problem that the non-woven fabric is adhered to the inner wall of the vagina even if the non-woven fabric does not absorb menstrual blood or a small amount of menstrual blood is absorbed, so that the non-woven fabric is separated from the inner wall of the vagina when the tampon is taken out to cause discomfort due to tearing feeling is solved, and the problem that a traditional tampon is uncomfortable in use due to the rough surface is solved.

The invention discloses a perforated surface cotton sliver and a preparation method thereof, and belongs to the technical field of hygienic products. The preparation method comprises the steps that firstly, modified cotton fibers are carded, stacked, shaped and cut to obtain a cotton fiber layer, then non-woven fabric with the surface perforated is adopted for wrapping and pressing, then sewing threads are used for sewing, fixing and curling the strip-shaped fiber layer, and after the strip-shaped fiber layer is loaded into a guide pipe, the perforated surface cotton sliver is obtained; the non-woven fabric with the punched surface can quickly guide liquid to permeate into the cotton fiber layer through the holes, the absorption speed of the liquid is increased, surface staying is reduced, and compared with common non-woven fabric, the phenomenon that the liquid is diffused and gathered on the surface is reduced, so that the overflow condition is avoided, and the non-woven fabric is more suitable for the requirement for absorbing a large amount of liquid.

A wound dressing for active continuous debridement of devitalized tissues in non-healing wounds including diabetic ulcers, pressure ulcers, burn injuries and other etiologies, includes an active ingredient, such as collagenase, which serves to debride wounds in-situ. In one example, purified Collagenase (90% pure) was deposited onto several wound dressing materials. A key feature of this invention is that the activity level of the Collagenase used was substantially preserved.

A device for removing and preventing the buildup of cerumen in an ear canal is disclosed. The device includes a body with an elongated handle and a neck portion that extends from the handle to a paddle implement. The neck portion includes one or more crevices and the paddle implement includes a flattened body. The paddle implement is configured to radially deform as the device is rotated in the ear canal during use. The paddle implement is deformable from a radially expanded configuration before use to a radially contracted configuration after use in which the diameter of the paddle implement is smaller compared to the diameter of the paddle when in the radially expanded configuration.

Disclosed herein are contraceptive medical devices that include at least a polymeric ring, a porous barrier material and an injection molding guide, where the guide may be symmetrical and / or have one or a plurality of planar surfaces, where the device may optionally administer at least one active agent.

The present disclosure relates to a vaginal system that prevents pregnancy comprised of segesterone acetate and ethinyl estradiol and is configured for thirteen 28-day product-use cycles.

The invention discloses a filling dressing, and relates to the technical field of medical dressings, the filling dressing is prepared from composite yarn, the composite yarn is of a double-layer composite structure, the two-layer structure of the composite yarn comprises an inner hydrophilic layer and an outer hydrophobic layer, the composite yarn is formed by wrapping inner hydrophilic fibers with outer hydrophobic fibers, and the outer hydrophobic fibers wrap the inner hydrophilic fibers. The outer hydrophobic layer is made of hydrophobic fiber filaments; the composite yarn formed by weaving the outer-layer hydrophobic fibers and the inner-layer hydrophilic fibers in a matched mode is used, then the composite yarn is woven into the complete dressing to be used by a patient, the woven filling dressing has the good liquid absorption and anti-infection functions due to the matching of different materials of the inner layer and the outer layer, and meanwhile due to the hydrophilicity and hydrophobicity of the inner layer and the outer layer, the anti-infection effect is good. Meanwhile, due to the fact that the dressing is formed by weaving the composite yarn, the integrality is good, the good anti-adhesion performance is achieved, and due to the effect of the inner layer material, the dressing further has the effects of stopping bleeding, inhibiting bacteria and the like.

This invention describes a wound dressing product for active continuous debridement of devitalized tissues in non-healing wounds including diabetic ulcers, pressure ulcers, burn injuries and other etiologies. The present invention pertains to the principle of continuous wound debridement which makes necrotic tissue more susceptible for removal and hence enhances progressive wound healing. The dressing contains an active ingredient, such as collagenase which serves to debride wounds in-situ. In the present invention purified Collagenase (90% pure) was deposited onto several wound dressing materials. A key feature of this invention is that the activity level of the Collagenase used was substantially preserved.

A tampon product is disclosed including a tampon applicator designed to expel in a controlled manner a tampon. The tampon applicator is designed in a two-piece construction including a barrel and a plunger. Both the barrel and the plunger can be formed from a single layer of a single polymer material. The tampon applicator, for instance, can include a grip region that not only facilitates injection molding but also has characteristics that have been found well suited for being held and manipulated by a user.

The disclosure provides new transmucosal and subcutaneous pharmaceutical compositions comprising 1-(4-fluoro-phenyl)-4-((6bR,10aS)-3-methyl-2,3,6b,9,10,10a-hexahydro-1H,7H-pyrido[3′,4′:4,5]pyrrolo[1,2,3-de]quinoxalin-8-yl)-butan-1-one or 1-(4-fluoro-phenyl)-4-((6bR,10aS)-2,2-d2-3-methyl-2,3,6b,9,10,10a-hexahydro-1H,7H-pyrido[3′,4′:4,5]pyrrolo[1,2,3-de]quinoxalin-8-yl)-butan-1-one or comprising -(4-fluoro-phenyl)-4-((6bR,10aS)-1,1,2,2-d4-3-methyl-2,3,6b,9,10,10a-hexahydro-1H,7H-pyrido[3′,4′:4,5]pyrrolo[1,2,3-de]quinoxalin-8-yl)-butan-1-one, in free base, co-crystal or salt form, together with methods of making and using them.

At least a method is disclosed for visualizing sensor data from a sensor monitoring a wound. The method can include: receiving senor data generated by one or more sensors monitoring a wound of a patient, the wound being covered with a wound dressing; generating a graphical representation from the sensor data; and presenting the graphical representation to a user via augmented reality so that the graphical representation is overlaid on an area proximate to the patient from a viewing perspective of the user.

The utility model discloses a hemostasis compressor for the department of cardiology, and relates to the technical field of medical equipment. The hemostasis compressor for the department of cardiology comprises a wrist strap, a sliding groove is formed in the outer surface of the wrist strap, the outer surface of the wrist strap is movably sleeved with a sliding base, the top of the sliding base is in threaded connection with a positioning bolt, and the bottom of the sliding base is fixedly connected with a fixing plate. The position of the silica gel plate can be flexibly adjusted by arranging the sliding seat capable of sliding, the compression position of the sliding seat can be flexibly adjusted according to the actual position of a wound under the condition that the position of the wrist strap is not adjusted, the flexibility and the adaptability are enhanced, the sealing cylinder is arranged, and the adjusting bolt is rotated, so that the sealing effect is improved. The sliding position of the sealing plate can be adjusted, the pressure between the silica gel plate and the skin can be adjusted, the pressure of the silica gel plate on the skin can be observed by arranging a pressure gauge, and the accuracy is improved.

According to the present disclosure, there is provide a swab. The swab includes a head and a handle. The head has a curved outer surface. The handle includes a head portion and a holding portion. The holding portion of the handle has a planar outer surface. The head portion of the handle is at least partially received within the head such that the holding portion of the handle extends outwardly from one end of the head. The holding portion has a planar outer surface. The swab may be a cleaning swab and / or an applicator swab.

A method of analysis using mass and / or ion mobility spectrometry or ion mobility spectrometry is disclosed comprising: using a first device to generate aerosol, smoke or vapour from one or more regions of a first target of biological material; and mass and / or ion mobility analysing and / or ion mobility analysing said aerosol, smoke, or vapour, or ions derived therefrom so as to obtain first spectrometric data. The method may use an ambient ionisation method.

A delivery device suitable for delivering a chemical substance, e.g. a medical device such as a catheter, a microcapsule, an implantable capsule or a P-ring, or a delivery device for use in the construction industries e.g. in the form of microcapsules comprising antifouling agent for marine paint. The delivery device includes a closed cavity, the cavity is defined by an innermost wall surface, wherein at least a section of the inner wall surface constitutes an inner surface of a delivery membrane wherein the delivery membrane includes an interpenetrating polymer network substrate comprising a host polymer and a guest polymer, where the guest polymer is interpenetrating the host polymer to form substantially continuous pathways within said host polymer.

The present disclosure relates to a vaginal contraceptive composition comprising one or more active ingredients and a physiologically acceptable gelling agent, wherein at least one of the one or more active ingredients is a mucoadhesive polymer, the mucoadhesive polymer having a molecular weight of 20,000 Da to 100,000 Da, the mucoadhesive polymer consisting of a plurality of monomer units linked to each other via ether bonds, ester bonds, amide bonds, or combinations thereof, the monomer units being selected from C6 sugars, amino-functionalized C6 sugars, amino acids, or combinations thereof, and at least 50% of the monomer units containing at least one amino group. The present disclosure further relates to uses of the vaginal contraceptive composition, vaginal contraceptive compositions for therapeutic use, vaginal contraceptive compositions for use as contraceptives or contraceptive agents, and vaginal contraceptive compositions for use in birth control or birth control therapy.

The embodiment of the utility model provides a puncture suite, which relates to the field of puncture equipment and comprises a sleeve needle, a solid needle core, a hollow biopsy needle, a pusher and an iodine-containing gelatin sponge rod. The sleeve needle is provided with a positioning channel, and the solid needle core and the hollow biopsy needle can be selectively inserted into the positioning channel; the iodine-containing gelatin sponge rod is used for being inserted into the positioning channel after the solid needle core and the hollow biopsy needle are separated from the sleeve needle; and the pusher is matched with the positioning channel in a sliding manner and is used for pushing the iodine-containing gelatin sponge rod into the puncture channel from the positioning channel. The puncture suite is good in hemostatic effect, high in puncture success rate and high in puncture safety.

A system, method, and apparatus to insert and remove a thermally activated vaginal pessary (102), by employing a nitinol core material that is integrated into the construction of the thermally activated vaginal pessary and configured to increase in radial size upon contact with body temperature by undergoing a configurational phase change in the underlying nitinol core material.

A pharmaceutically acceptable salt of an acyclic nucleotide phosphoramidate to treat HPV and related conditions including neoplasia, as well as pharmaceutical compositions, morphic forms and dosage forms thereof.

A tampon product including an applicator with a hollow barrel portion and an ejection plunger within the barrel portion, is disclosed. One or both of the barrel portion and the ejection plunger may have a cylindrical form and be formed of a paper, and have a coating applied to the paper, wherein the coating is not predominately constituted by a material derived from petroleum. The coated paper barrel portion and / or ejection plunger may be manufactured to as to exhibit a static Relative Sliding Resistance Coefficient (CSR) no greater than 0.250 and / or a kinetic CSR no greater than 0.210, for purposes of smooth manufacturing. In combination or alternatively, the coated paper barrel portion and / or ejection plunger may be manufactured to as to exhibit a static Gripping Slip Resistance Coefficient (CGSR) no less than 0.190 and / or a kinetic CGSR no less than 0.170, for purposes of consumer satisfaction.

The embodiment of the invention provides a tampon which comprises a main body, the main body comprises a main absorption body which is formed by winding a main absorption sheet and provided with a central part, the central part further comprises an absorption structure body clamped by the main absorption sheet, the absorption structure body comprises SAP and a secondary absorption sheet, and the softness of the secondary absorption sheet is smaller than that of the main absorption sheet. The main body further comprises a groove part, through the arrangement, on one hand, the main absorption sheet located on the inner side and the main absorption sheet located on the outer side form fold spaces, space is provided for moistening and swelling, meanwhile, the secondary absorption sheet provides expansion space for moistening and swelling of SAP, the probability that the outer surface is bulged and the like is greatly reduced, and the use comfort is improved; meanwhile, in the structure, the diffusion time required by body fluid is shortened, the liquid absorption efficiency is improved, longer secondary absorption sheets can be arranged, so that the absorption amount is improved, in addition, the structure can enable the main body to keep the structural state and strength, and the invention also provides a preparation method of the tampon.

The utility model discloses a hot melt bonding device for dust-free cotton swab production, which comprises a base and a right side plate arranged at the top of the right end of the base, a left side plate is arranged at the top of the left end of the base, and a dust-free cotton swab conveying belt is arranged between the base and the left side plate and the right side plate. The hot melting bonding device comprises a left side plate and a right side plate, the top end of the left side plate and the top end of the right side plate are each provided with a heat insulation supporting plate, and the top ends of the two heat insulation supporting plates are connected with an electric heating top base. Dust-free cotton swabs can be placed on the cotton swab tidying and conveying device and conveyed to the lower side of the electric heating top seat for hot melting and bonding processing, the dust-free cotton swabs can be tidily placed after being placed on the cotton swab tidying and conveying device, and the situation that the dust-free cotton swabs are stacked together to affect the hot melting and bonding effect is avoided; the dust-free cotton swabs can be heated more uniformly after being neatened by the cotton swab neatening and conveying device.

The disclosure relates to a self-adhesive sanitary product and a preparation method thereof. The product is fingerstall-like or sheet-like, and has a first face on a surface side and a second face on the opposite side of the first face. On the first face, the product has a micro-nano array structure which can achieve reversible wet adhesion and which is configured to be adhered to a vaginal orifice tissue or a urethral orifice tissue. The self-adhesive sanitary product has air permeability and liquid impermeability. When the self-adhesive sanitary product is adhered to the vaginal orifice tissue or the urethral orifice tissue, the self-adhesive sanitary product completely blocks the vaginal orifice or the urethral orifice to prevent contents of the vagina or the urethra from flowing out. The self-adhesive sanitary product according to the present disclosure has the advantages of safety, comfort, privacy, miniature, environmental protection, affordability and the like.

The utility model discloses a medical cotton swab with a metal reinforced rod body, which belongs to the technical field of medical instruments and comprises a rod body and a metal sheet embedded in the rod body, a cotton ball is wound on the top of the rod body, the metal sheet is spirally embedded in the rod body along the bottom of the rod body, and the metal sheet is wound on the top of the rod body. A clamping ring is fixed to the end, away from the bottom of the rod body, of the metal sheet, the clamping ring and the metal sheet are integrally arranged, an opening is formed in one side of the clamping ring, and the clamping ring sleeves the bonding position of the cotton ball and the rod body; the metal sheet is embedded and wound outside the rod body, due to spiral winding, the metal sheet can be embodied on any surface of the rod body, a cotton swab can be obviously seen under X-rays and is prevented from being left, and the top of the metal sheet is sleeved and clamped with the cotton ball through the connected clamping ring, so that the cotton ball can be prevented from falling off in an operation.