612results 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 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.

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 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.

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.

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 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.

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 invention relates to the technical field of tampon processing, in particular to a cutting device for injection molding of tampon guide pipes and push rods, which comprises a multi-connected pipe placing table, a vacant frame is fixedly connected to the rear side of the multi-connected pipe placing table, a sliding table is fixedly connected to the left side of the vacant frame, and a first electric telescopic rod is fixedly connected to the top of the vacant frame. The invention provides a cutting device for tampon guide pipe push rod injection molding. The cutting device solves the problems that in the traditional cutting process, the positioning precision is insufficient, the adaptability is poor, many waste residues exist, and the production continuity is low through the integrated structural design. The cutting device comprises a guide piece composed of a C-shaped frame, a rotating base, a curved frame and the like; the transmission frame is used for driving the curved frame to be opened and closed to form limiting, self-adaptive precise guiding of push rods of different sizes is achieved in cooperation with ball contact, deviation during cutting is avoided, meanwhile, the cutting mode that an arc-shaped cutter is attached to the surfaces of the push rods is adopted, traditional vertical cutting is replaced, residual waste of a water gap and a connecting bridge is greatly reduced, and the follow-up surface treatment difficulty is lowered.

This invention relates to the field of intelligent molding technology, specifically to an intelligent adjustable medical cotton ball molding method and system, comprising the following steps: collecting pressure data through a distributed pressure sensor array and generating a pressure feature vector through Gaussian filtering for noise reduction; analyzing the pressure change trend based on the feature vector and outputting a gradient adjustment command; controlling a valve to adjust the air pressure to obtain compensation parameters; driving a servo motor to adjust the mold gap and collecting offset data to generate a feedback signal; and combining the feedback and adjustment command inputs to a neural network to evaluate the molding result. In this invention, data is collected through a distributed sensor array, multi-dimensional noise reduction enhances feature extraction, dynamic functions analyze pressure trends, offset adjustment parameters are identified, collaborative control achieves closed-loop compensation, displacement sensors provide feedback on gap changes, parameter modeling optimizes accuracy and consistency, convolutional networks extract temporal features, and fusion analysis constructs an adaptive system to achieve intelligent prediction and optimization of molding quality.

A disposable gauze counter is provided having opposing first and second ends and opposing top and bottom sides, with a plurality of resealable airtight clips disposed between the first end and the second end and generally extending from the top side of the disposable gauze counter towards the bottom side of the disposable gauze counter. The plurality of resealable airtight clips each comprise an opening having opposed first and second sides, the first side and the second side each having at least one engaging member disposed thereon, wherein when the first side and the second side are pressed together the engaging members form an interlocking seal.

The tampon comprises an absorption core body and a pull rope, the pull rope is arranged at one end of the absorption core body, the absorption core body comprises multiple layers of sheet bodies, the multiple layers of sheet bodies are stacked around an axis in an irregular shape from inside to outside, and the shape of the absorption core body is gradually expanded from the end, close to the pull rope, of the absorption core body to the other end of the absorption core body. According to the tampon, the shape of the absorption core body is matched with that of the vagina structure, after the absorption core body absorbs a certain amount of menstrual blood, the absorption core body expands into the shape with the large upper portion and the small lower portion, the inner wall of the vagina cannot be locally extruded, and the discomfort of the absorption core body in the body is greatly reduced. Due to the fact that the absorption core body comprises the multiple layers of sheet bodies, the absorption core body can absorb menstrual blood more easily, and due to the fact that the shape of the absorption core body is matched with the shape of the vagina structure, the absorption core body can be attached to the inner wall of the vagina, and the risk of menstrual blood leakage can be reduced. In addition, after the absorption core body is full of menstrual blood, the absorption core body with the big top and the small bottom can be pulled out more easily.

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-fluorophenyl)-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.

The invention relates to compositions containing selenite-containing compounds and pharmaceutically acceptable acids, selected from citric acid, acetic acid, malic acid, carbonic acid, sulphuric acid, nitric acid, hydrochloric acid, fruit acids or mixtures thereof, for use for treating cervical inflammations, dysplasia and / or carcinomas. The invention further relates to methods of using such compositions.

A system includes a surgical mesh having an upper side and a lower side, where the upper side includes a visual indicia pattern that extends longitudinally along the upper side, and the lower side is configured to adhere to a section of skin of a patient that surrounds a wound. The system further includes a topical skin adhesive configured to be applied to the upper side of the surgical mesh based on the visual indicia pattern. The topical skin adhesive is configured to cure within the surgical mesh to thereby form a protective layer over the wound.

The present invention relates to a sample collecting swab tool and a method for detection of respiratory pathogens. The present invention relates to a swab tool in which two positions for gripping the swab tool, that is, two gripping points, are formed so as to make it easy to precisely control the force on the swab tool according to the sample collection site (e.g., nasal cavity or oral cavity), whereby swab samples can be collected from sample collection sites accurately and easily in an amount sufficient enough to detect respiratory pathogens. In addition, the swab tool of the present invention can be used not only for sampling by experts but also for self-sampling by non-experts, and respiratory pathogens can be detected from collected samples.

The utility model relates to female sanitary product technical field discloses a sanitary tampon of instantaneous suction and lock of cotton core, including cotton core, the wrapping layer of wrapping in cotton core outside, the pull line of connecting in cotton core one end and setting in the insertion head of cotton core other end, the cotton core has three -dimensional intercommunication network structure, the cotton core includes instantaneous suction layer, flow guide layer, liquid storage lock layer and protection layer gradually from inside to outside, the porosity of instantaneous suction layer, flow guide layer, liquid storage lock layer gradually reduces. The utility model discloses through setting the cotton core of multilayer structure, and the porosity of each layer gradually reduces from inside to outside, instantaneous suction layer can rapidly absorb menstrual blood, flow guide layer guides menstrual blood to the penetration of instantaneous suction layer and prevents reverse penetration, liquid storage lock layer stores a large amount of menstrual blood and locks and prevents side leakage, and protection layer prevents the exosmosis of menstrual blood from the outside of cotton core, and the overall improvement of sanitary tampon's absorption speed, absorption capacity and side leakage prevention performance.

A tampon having an insertion end and a withdrawal end. The tampon includes a primary absorbent, disposed toward the insertion end, a secondary absorbent, and a withdrawal member. The secondary absorbent may have a mean length from the primary absorbent and at least three segments each having a mean segment mass. The mean segment mass may be selected such that the secondary absorbent tapers as the secondary absorbent material extends from the primary absorbent.

This disclosure relates to a multi-component intravaginal ring (IVR) that improves the release of non-hormonal substances, which is useful in multi-purpose preventive techniques (MPT) that simultaneously prevent unplanned pregnancies, prevent or treat sexually transmitted infections (STIs), and optimize vaginal health.

A wound debridement pad comprising one or more woven layers, wherein each woven layer comprises first yarns 12 extending in a first direction, second yarns extending in a second direction and third ya