38 results about "Hydrocolloid dressing" patented technology

The utility model relates to the technical field of medical dressing production equipment, and discloses a hydrocolloid dressing stock solution feeding device which comprises a feeding body mechanism. The feeding pipeline mechanism is arranged on the feeding body mechanism, the feeding body mechanism comprises a hopper, a connecting column is fixedly connected to the center of the bottom wall of the hopper, a fixing frame is fixedly connected to the bottom wall of the connecting column, and four first pipe grooves are annularly formed in the inner bottom wall of the hopper at equal intervals. The feeding hopper is integrally arranged, the four first pipe grooves are annularly formed in the inner bottom wall of the feeding hopper at equal intervals, the spiral pipes are fixedly installed in the first pipe grooves, the spiral pipes are transparent pipe bodies, and the control valves are fixedly installed at the openings in the bottoms of the spiral pipes. The hydrocolloid dressing stock solution to be fed can be comprehensively observed, and meanwhile independent control operation can be conducted on a single feeding pipeline.

The application discloses a preparation method of a hydrocolloid dressing for oral cavity, and relates to the technical field of medical supplies. Baicalin extract and a polyvinyl pyrrolidone solution are mixed to obtain a baicalin extract solution; chitosan fibers, hydroxymethyl cellulose and the baicalin extract solution are mixed to obtain a mixed solution; vacuum degassing: the prepared mixed solution is vacuumized, pressure is maintained, and primary degassing is performed; ultrasonic degassing: the mixed solution after primary degassing is subjected to ultrasonic degassing; static degassing: the solution after ultrasonic degassing is sealed by using a preservative film, and is subjected to secondary degassing at room temperature; a PU film is fixed in a film laying frame, the degassed mixed solution is poured into the film laying frame, and the film laying frame is placed into an air-blowing drying box to solidify and form a protective layer, so that the hydrocolloid dressing is obtained. The hydrocolloid dressing prepared by the method has good adhesion, can be used on a wound for a long time, and can effectively promote the repair of damaged cells and wounds, so that the healing of the wound in the oral cavity is promoted.

The utility model provides a kind of water colloid dressing surface gel's coating device, including rack, be set on the coating channel of rack and be set in the substrate conveying mechanism of coating channel;The feed end of substrate conveying mechanism connects base material frame, and the discharge end of substrate conveying mechanism connects split charging equipment;The top surface inside coating channel is provided with injection mechanism and spreading mechanism, injection mechanism is close to the feed end of substrate conveying mechanism, and spreading mechanism is close to the discharge end of substrate conveying mechanism;The discharge port of injection mechanism and spreading mechanism are opposite the centre line of substrate;The outside of coating channel is provided with water colloid storage tank, and water colloid storage tank connects injection mechanism to feed injection mechanism.The water colloid dressing surface gel's coating device has the advantages that design science, operation is simple, coating effect is good, and can be used for dressing production process.

The utility model discloses a child nasal oxygen cannula convenient to fix, which comprises a nasal oxygen cannula, a fixing structure is arranged on one side of the nasal oxygen cannula, a position-adjustable lantern ring is further arranged on one side of the nasal oxygen cannula, and an ear hook structure is arranged on the lantern ring. The fixing structure comprises a bearing part, the bearing part is arranged on one side of the outer surface of the nasal oxygen cannula, a fixing buckle used for fixing the nasal oxygen cannula is arranged at the bottom of the bearing part, breathable bonding parts are symmetrically arranged on the two sides of the bearing part, and hydrocolloid dressing is arranged on one side of each breathable bonding part. The breathable bonding part and the hydrocolloid dressing are combined and bonded to the upper lip of a child patient, the situation of looseness caused by excessive respiratory tract secretions can be prevented, the bonding stability is improved, replacement is not needed, the overall use comfort is high, the device can be fixed to the ear of the child, falling is not likely to be caused, and meanwhile the device can be fixed to the upper lip of the child patient according to the requirement. The earphone is fixed on a left ear or a right ear of a child.

The utility model discloses an anti-adhesion antibacterial hydrocolloid dressing patch, which relates to the technical field of medical dressings and comprises a dressing patch main body, and an anti-diffusion covered edge and an auxiliary patch which are sequentially arranged on the edge of the dressing patch main body from inside to outside, release paper is arranged on the sides, facing the skin, of the dressing patch body and the auxiliary patch. The dressing patch body is sequentially composed of a hydrocolloid base layer, an alginate dressing core layer and a covering layer film from inside to outside, and every two of the hydrocolloid base layer, the alginate dressing core layer and the covering layer film are tightly bonded through pressure-sensitive adhesive. An antibacterial layer is arranged in the hydrocolloid base layer, and through holes are formed in the hydrocolloid base layer and the antibacterial layer; the dressing patch does not adhere to a wound and can absorb a large amount of seepage, meanwhile, a wet healing environment is provided for the wound, and the dressing patch has an antibacterial effect and can effectively promote wound healing.

The utility model relates to the technical field of hydrocolloid dressings, in particular to an anti-wound area liquid hydrocolloid dressing. The utility model comprises main release paper, the upper end of the main release paper is provided with a hydrocolloid layer, a hydrocolloid punching layer is arranged above the hydrocolloid layer, an alginate layer is arranged above the hydrocolloid punching layer, and the alginate layer wraps the edges of the hydrocolloid layer and the hydrocolloid punching layer; the upper end of the hydrocolloid punching layer is provided with a plurality of connecting differential hole plum blossom, the inner top wall of the alginate layer is fixedly connected with a plurality of alginate cylinders, and the alginate cylinders are inserted into the connecting differential hole plum blossom; a backing layer is arranged above the alginate layer, and the backing layer is bonded with the main release paper; the alginate layer is in contact with seepage at the cylindrical portion of the alginate, due to the high hygroscopicity of the alginate, redundant hydrops can be rapidly absorbed, and the conditions of skin edema and the like caused by too much seepage at the joint of the hydrocolloid layer and the wound surface are avoided.

The invention relates to the technical field of medical supplies, and discloses a disposable bandage convenient for urination after circumcision, the disposable bandage comprises a bandage body, two symmetrically arranged flexible raised strips are fixedly mounted on the bandage body, a urination gap is arranged between the two flexible raised strips, and the two flexible raised strips are fixedly mounted on the bandage body. The surface of the flexible protruding strip is fixedly connected with a hydrocolloid dressing layer. The thickness of each flexible protruding strip is set to be X, and the value of X approaches to zero in the direction where the two flexible protruding strips are away from each other. The bandage can achieve incision hemostasis and provide a good environment for incision healing, the hemostasis effect and binding comfort are both considered, a stable and smooth urination channel is reserved, the situation that the bandage extrudes the urethra is effectively avoided, the urethra is protected against damage, the postoperative urination experience of a patient is improved, and the occurrence rate of complications is reduced.

1. The name of the design product: hydrocolloid adhesive plaster (pattern). 2. The use of the design product: the design product is used for protecting skin wounds. 3. The design points of the design product: the combination of shape and color. 4. The picture or photo that best indicates the design points: front view. 5. The design for which protection is sought contains color. 6. The back of the design product is a part that is not easily seen or not seen during use, so the rear view is omitted; the design product is a thin product, so the top view is omitted; the design product is a thin product, so the bottom view is omitted; the design product is a thin product, so the left view is omitted; the design product is a thin product, so the right view is omitted.

The present application relates to a hydrocolloid composition comprising a block copolymer, a plasticizer, a tackifying resin and a viscous polysaccharide. The hydrocolloid composition can be used to prepare a hydrocolloid dressing with higher liquid absorption and tack retention, and can remove old and worn-out keratin on the surface of the skin, and has excellent exfoliation effect.

The utility model belongs to the technical field of oxygen uptake tube fixation, and particularly relates to a fixing device for a pediatric oxygen uptake tube, which is characterized in that an elastic strap is pulled, a hydrocolloid dressing is attached to a nose wing, a nose wing tube of an oxygen uptake tube body is aligned to nostrils on two sides, and an air inlet tube of the oxygen uptake tube body faces upwards to form a C shape; the second hydrocolloid dressing is vertically attached to the two sides of the nose wing tube to form an I shape with the nose, in order to avoid air leakage at the nostril, a worker can rotate the connecting rod along the inner side of the support, the connecting rod drives the rubber rod at the bottom to swing inwards along the nose wing tube, the rubber pad can be attached to the outer side of the nostril, and the nose wing tube is effectively prevented from falling off from the nostril. The hydrocolloid dressing is a semitransparent self-adhesive dressing composed of a water-like adhesive, a covering layer thin film and a binder, is breathable, waterproof and anti-bacterial, can promote wound healing and effectively protect skin, and can avoid pressure sores through air and water vapor due to the fact that the upper layer of the hydrocolloid dressing is a semi-permeable membrane composed of polyurethane.

The utility model discloses a kind of packing equipment for hydrocolloid patch production, the utility model relates to medical patch production technical field.The packing equipment for hydrocolloid patch production, it includes: rack, rack is fixedly installed with the conveying belt for continuously conveying hydrocolloid patch;Collection piece, collection piece is set below rack, collection piece is used to place the packaging bag for packing and handling hydrocolloid patch;Bag opening open subassembly, bag opening open subassembly is fixedly installed on rack, bag opening open subassembly is used to open the bag opening of packaging bag, form opening, facilitate hydrocolloid patch to be smoothly loaded;Through collection groove accurate positioning to packaging bag, open claw stable open bag opening, the guide system formed by ridge platform guide piece and guide plate, ensure that patch falls into bag along fixed trajectory, reduce patch scattering, misloading phenomenon, guarantee every bag patch quantity accurate, complete packaging.

The invention relates to the technical field of medical dressings, in particular to a hydrocolloid dressing which comprises a slow-release hydrocolloid layer. The slow-release hydrocolloid layer is prepared from the following raw material components in parts by weight: 10 to 35 parts of sodium carboxymethyl cellulose; 5 to 15 parts of copper-containing microspheres; 40 to 70 parts of hot melt adhesive; the copper-containing microsphere comprises a core body and a shell body coated on the outer side of the core body, the core body is a copper-loaded microsphere; the shell comprises a sodium alginate-calcium carbonate composite layer. According to the hydrocolloid dressing provided by the invention, the copper-containing microspheres with core-shell structures are introduced, so that the release of the copper ions has pH responsiveness, gradient slow release and long-acting antibiosis of the copper ions can be realized, and the healing promoting function of the hydrocolloid dressing is effectively improved.

The application provides a hydrocolloid dressing and a manufacturing method thereof, which solves the technical problem that the water absorption of a single-layer hydrocolloid is not strong and the use experience is poor, and mainly comprises a substrate film, a hydrocolloid and a release layer. The substrate film is a single-layer or multi-layer structure; the hydrocolloid is a composite material, the main body of which is an adhesive and a water absorbent; and the release layer is release paper or a release film. Through the improved processing technology, the hydrocolloid with a structure of a partially semi-coated structure of water absorbent particles is obtained, so that sufficient expansion space of the water absorption material is ensured, sufficient adhesion points and activity space of the adhesive material are provided, the separation of the hydrocolloid and the substrate is reduced, the overall absorption of the permeated liquid is improved, and the application can be widely used in the technical field of medical dressings.

The utility model relates to the technical field of medical dressing articles, in particular to a vein protection type hydrocolloid dressing indwelling needle pasting film which comprises a positioning plate which is a transparent thin plate, and a transparent nanometer adhesive film is arranged at the bottom of the positioning plate. The transparent film is arranged in the center of the bottom of the positioning plate and is attached to the positioning plate through the nano adhesive film, and a medical non-setting adhesive layer is arranged at the bottom of the transparent film; the release paper is matched with the outline of the positioning plate, the middle of the release paper is attached to the transparent film through the medical non-setting adhesive layer, and the edge of the release paper is attached to the positioning plate through the nano adhesive film. According to the utility model, accurate positioning is carried out before pasting with the skin of a patient, so that a better protection effect is achieved, and meanwhile, the hydrocolloid also nurses the skin at the indwelling needle.

The utility model relates to the technical field of medical treatment, in particular to an anti-leakage device for local closed injection liquid of skin, which comprises a closed pad, a cavity is arranged in the middle of the right end of the closed pad, a sticking layer is fixedly connected around the right end of the closed pad, a tearing device is adhered to the right end of the sticking layer, and the tearing device is connected with a sealing pad. The cavity is filled with an absorption device, and a net body is fixedly connected to the middle of the right end of the sealing pad. The absorption device comprises a hydrocolloid dressing block, the outer surface of the hydrocolloid dressing block is fixedly connected with an elastic layer, and the cavity is filled with the hydrocolloid dressing block. According to the liquid seepage prevention device for the local closed injection of the skin, the tearing device and the absorption device are arranged, so that liquid seepage during local closed injection of the skin can be effectively prevented, the infection risk is reduced, a stable and reliable environment is provided for various types of injection treatment, and the treatment effect is guaranteed.

1. The name of the design product: hydrocolloid adhesive plaster (square). 2. The use of the design product: the design product is used for protecting skin wounds. 3. The design points of the design product: the combination of shape and color. 4. The picture or photo that best indicates the design points: front view. 5. The design for which protection is sought contains color. 6. The back of the design product is a part that is not easily seen or not seen during use, so the rear view is omitted; the design product is a thin product, so the top view is omitted; the design product is a thin product, so the bottom view is omitted; the design product is a thin product, so the left view is omitted; the design product is a thin product, so the right view is omitted.

The utility model relates to the technical field of burn application, and discloses a burn application convenient to replace, which comprises an application body, a waterproof breathable cloth and a connecting cloth, a glue patch is fixedly arranged at the edge of the lower end of the application body, a through groove is formed in the middle of the upper end of the application body, and a hydrocolloid dressing is fixedly arranged at the lower end of the connecting cloth. Three elastic bands are fixedly arranged on each of the two sides of the patch body, connecting bands are fixedly arranged at the opposite ends of the six elastic bands in pairs, first hook-and-loop fastener son surfaces are fixedly arranged at the lower ends of the three connecting bands, and first hook-and-loop fastener mother surfaces are fixedly arranged at the upper ends of the other three connecting bands. According to the patch, the waterproof breathable cloth which can be torn independently is arranged, hydrocolloid dressing for treatment is placed in the patch to treat a patient, after the patch is used, the waterproof breathable cloth can be opened to be replaced with new hydrocolloid dressing, and the patch body does not need to be frequently torn down and then adhered to avoid secondary damage to the patient by colloid.

The utility model discloses a hydrocolloid dressing, and belongs to the technical field of medicine. The composite material comprises a base material layer, an annular non-woven fabric and a hydrocolloid matrix, the outer base material layer is a polyurethane film; the hydrocolloid matrix and the annular non-woven fabric are positioned on the lower surface of the outer base material layer and are adhered to the outer base material layer through a pressure-sensitive adhesive; the hydrocolloid matrix is located in an area defined by the annular non-woven fabric; the lower surface of the hydrocolloid matrix and the lower surface of the annular non-woven fabric are both provided with an adhesive layer, and the adhesive layers are isolated through a protective layer. According to the hydrocolloid dressing, the overall structural strength and the holding power of the hydrocolloid dressing can be improved.

The utility model provides a hydrocolloid catheter fixing patch which comprises a hydrocolloid dressing, the hydrocolloid dressing comprises a surrounding edge part and a fixing part, the surrounding edge part is arranged around the fixing part, the thickness of the fixing part is larger than that of the surrounding edge part, a fixing groove used for fixing a catheter is formed in the top of the fixing part, and the fixing part is provided with a fixing groove used for fixing the catheter. One side of the fixing groove is provided with an opening for a guide pipe to pass through, and the bottom of the fixing groove is provided with a through hole for the guide pipe to pass through. Compared with the prior art, the hydrocolloid catheter fixing patch can be firmly adhered to the skin at the edge of a wound through the hydrocolloid dressing, so that a closed healing environment is provided, the catheter can enter the healing environment through the through hole in the hydrocolloid dressing, percolate is sucked out, negative pressure is provided for the healing environment, and the healing effect is improved. The hydrocolloid dressing is integrally formed, production is convenient, the structure is simple, and the catheter can be stably fixed.

The saliva collector comprises a collector body which is provided with a mounting cavity, and a pressure sensor is arranged at the bottom of an inner cavity of the mounting cavity; the collecting bag is placed in the mounting cavity, and a bag opening of the collecting bag is connected to a hole opening of the mounting cavity; one end of the supporting device is connected to one side of the hole opening, and the other end of the supporting device is connected to the other side of the hole opening; the fixing patch is arranged on the edge of the outer side of the hole opening of the mounting cavity, hydrocolloid dressings are arranged at the two ends of the fixing patch, and hanging lugs are further arranged at the two opposite ends outside the collector body; and the control unit is electrically connected to the pressure sensor and the supporting device, the control unit controls the telescopic length of the supporting device according to the received pressure information, and then the size of the hole opening of the mounting cavity is controlled. When the saliva flow of a patient is large, the size of the orifice can be automatically adjusted, the capacity in the collector is improved, the situation that the saliva cannot be filled and overflows due to too much saliva is avoided, and the sanitation problem caused by the fact that the saliva is stained on the jaw of the patient can be avoided.

This invention discloses a visual, multi-dimensional monitoring hydrocolloid dressing for wounds, along with its preparation and application methods. Belonging to the field of medical dressing technology, the dressing comprises, from the wound contact side to the outer side, a wound adhesion layer, an isolation and protective layer, an indicator strip layer, and a surface protective film, all four layers integrally cross-linked. The wound adhesion layer features a zoned gradient absorbent structure, a hydrophilic silicone oil film, and a modular, customizable main core + auxiliary core structure, and is loaded with antibacterial components. The isolation and protective layer eliminates interference from the hydrocolloids in detection and achieves antibacterial and sustained-release effects. The indicator strip layer integrates multiple independent functional areas for qualitative and quantitative exudate analysis and microenvironment monitoring. This invention also discloses a method for preparing the dressing in layers and for integral cross-linking. This invention integrates nursing care, monitoring, and antibacterial and anti-inflammatory functions, providing accurate monitoring, strong adaptability, and avoiding secondary wound damage. It is suitable for the nursing monitoring of chronic wounds such as diabetic ulcers, pressure ulcers, and burns, and has extremely high clinical application value.

The application belongs to the technical field of biological medicine, and discloses application of antibacterial peptide humAMP_23 in preparation of a medicine for treating burn infection, and is used for promoting healing of a burn wound surface. It is found that local application of the antibacterial peptide humAMP_23 can effectively reduce inflammatory reaction and mortality. It is proved by cell experiments that humAMP_23 has no cytotoxicity and good biocompatibility. The application further provides a pharmaceutical composition containing the antibacterial peptide humAMP_23 and a pharmaceutically acceptable local external carrier. The pharmaceutical composition can be prepared into various forms such as gels, creams, ointments, sprays, hydrocolloid dressings or fibrin glue, is convenient to use in medicine, has the advantages of convenient use, high local drug concentration, remarkable effect of promoting wound healing, and is suitable for local administration of burn infection wound, especially burn infection wound caused by Staphylococcus aureus or Pseudomonas aeruginosa.

The utility model discloses a hydrocolloid dressing surface gel coating device, and relates to the technical field of coating devices, the hydrocolloid dressing surface gel coating device comprises a coating mechanism and a fixing mechanism, a worker can determine the moving distance of a sealing ring through the ring speed of a rotary knob, and meanwhile, a graduated scale is installed on the surface of a limiting rod, so that the moving distance of the sealing ring can be observed in real time. According to the device, the amount of pushed-out gel is more accurately controlled, the error of the pushed-out gel amount is reduced, the device is suitable for a green hand, the fixing mechanism of the device fixes the coating screen plate on the coating head by utilizing a clamping principle, the coating screen plate can be disassembled only by pulling the two pull rods outwards to move the insertion piece out of the insertion groove, the operation is simple, no professional tool is needed, and the cost is reduced. And a user can conveniently replace the coating net plate.

The utility model discloses a microneedle acne patch, which comprises a hydrocolloid dressing substrate, a soluble patch and a microneedle, the microneedle acne patch adopts a hydrocolloid dressing with stronger water absorption capacity as the substrate, the water absorption capacity of the hydrocolloid dressing can reach 12 times of expansion, more acne solution can be absorbed, and a liquid guide gap is arranged on the soluble patch, so that the microneedle acne patch can be used for guiding liquid. According to the present invention, by arranging the soluble patch into the core inner region and the extension outer region, the acnes are inserted and attached through the core inner region, and the acnes solution is sucked away through the liquid guide gap, such that the acnes can be rapidly adsorbed and locked on the hydrocolloid dressing substrate so as to avoid the pollution to the side skin, and further, the soluble patch is arranged into the core inner region and the extension outer region so as to achieve the anti-acne effect. Meanwhile, the micro-needles on the extending outer area are attached to normal skin or penetrate into the normal skin in a superficial layer to block part of overflowing acne solution, so that the skin beside is prevented from being infected, and the purposes of locally treating and preventing single acne from being infected are achieved.

This invention provides a hydrocolloid dressing for ostomy bag adhesive baseplates and its application. The hydrocolloid dressing is composed of a pressure-sensitive adhesive. The raw materials of the pressure-sensitive adhesive include the following components by weight: 24 parts polymer colloid, 42 parts polyisobutylene composition, 3 parts tackifying resin, 6 parts glycerin, 15 parts sodium carboxymethyl cellulose, and 10 parts affinity block copolymer. The polyisobutylene composition is composed of high molecular weight polyisobutylene and low molecular weight polyisobutylene. The affinity block copolymer is composed of polyethylene glycol and polyglycerol decanoate. Through the synergistic design of the formulation and segmented process, an optimal balance is achieved between initial tack, holding power, wet tack retention, absorbency management, and skin compatibility, thereby meeting the comprehensive requirements of ostomy bag adhesive baseplates for long-term adhesion, leak resistance, and gentleness to the skin around the stoma. Segmented feeding and the limitation of temperature and rotation speed ensure the protection of heat-sensitive components, controllable phase distribution, and suppression of air bubbles.

The invention discloses a traditional Chinese medicine packaging treatment patch and a use method thereof, and relates to the technical field of traditional Chinese medicine packaging. The hydrocolloid patch comprises a waterproof breathable outer protection layer, the bottom surface of the waterproof breathable outer protection layer is connected with a low release layer, the peripheral side of the bottom surface of the low release layer is connected with a hydrocolloid application layer, the inner side of the hydrocolloid application layer is connected with an absorption layer, the bottom surface of the absorption layer is connected with an impermeable film, and the bottom surface of the hydrocolloid application layer is connected with a release film. The treatment patch is pasted on the skin through the hydrocolloid application layer, the hydrocolloid application layer can avoid allergy while providing stable adhesion, skin discomfort is reduced and no glue is left when the treatment patch is pasted, liquid leaked accidentally in a packet can be absorbed through the absorption layer, the surrounding skin is kept dry and comfortable, and the treatment patch is simple and reasonable in structure, convenient to use and low in cost. Use is convenient, and popularization is facilitated.

The utility model provides a multi-dressing patch for wounds, which relates to the technical field of dressing patches and comprises a main body mechanism, an anti-sticking mechanism is arranged on the top side of the main body mechanism, the main body mechanism comprises a base layer, and a hydrocolloid layer and a foam layer are respectively arranged on the inner surface of the base layer. The inner surface of the base layer makes contact with the outer side of the hydrocolloid layer and the outer side of the foam layer. The hydrocolloid layer and the foam layer are designed on the inner side of the base layer, a wound is firstly contacted with the hydrocolloid dressing during application, the hydrocolloid dressing can effectively keep a moist environment, the foam dressing is arranged on the surface of the hydrocolloid dressing and can absorb redundant percolate, and the lining is arranged on the inner side of the base layer, so that the wound can be effectively protected. The inner lining is provided with the son buckle, the hydrocolloid layer and the foam layer are integrated with the outer lining, and then the son buckle is separated from the mother buckle in the outer lining, so that the two dressings can be separated from the base layer, the dressing plaster does not need to be torn off from the skin integrally, and secondary injury to a wound is reduced.

The application provides a water glue dressing capable of quickly and continuously absorbing liquid and a preparation method thereof. A core layer of the water glue dressing comprises the following raw materials by weight: 40-50% of medical hot melt pressure sensitive adhesive, 3-10% of softening agent, 20-44% of sodium carboxymethyl cellulose, 10-25% of carboxymethyl chitosan and 3-10% of super absorbent resin. The water glue dressing prepared from the core layer components can quickly and continuously absorb wound exudate, effectively prevents the wound from being soaked and maintains appropriate humidity of the wound, thereby reducing the replacement frequency. The water glue dressing has appropriate peel strength, good adhesion and comfort for the skin, is painless to replace, is durable to adhere and is simple and environmentally friendly in material and preparation process.

1. Name of the designed product: packing bag (hydrocolloid dressing). 2. Use of the designed product: for packing hydrocolloid dressing. 3. Design points of the designed product: the combination of shape, pattern and color. 4. Picture or photo best indicating the design points: perspective view. 5. The designed product contains color.

The secondary fixing device comprises a cheek fixing base, a nasogastric tube locking clamp and an elastic connecting band, the cheek fixing base is made of medical-grade PU foam or hydrocolloid dressing, the orthographic projection of the cheek fixing base is oval, the lateral projection of the cheek fixing base is arc, a buckle connector is fixed to the middle of the outer side of the cheek fixing base, and a bonding layer is arranged on the inner side of the cheek fixing base; the two ends of the elastic connecting band are connected with the buckle connector and the nasogastric tube locking clamp respectively, a plurality of positioning holes are formed in the end, close to the cheek fixing base, of the elastic connecting band at equal intervals, and the elastic connecting band is fixed to the buckle connector through the positioning holes. The cheek fixing base is used for dispersing pressure, the traction feeling is eliminated through the elastic connecting band, when accidental traction is carried out, the elastic band can be stretched by 2-4 cm, an effective buffering stroke is provided, instant impact force is converted into mild resilience force, safety and reliability are achieved, the length of the elastic connecting band can be adjusted, the device is suitable for most patients, operation is visual, easy and convenient, and the device is suitable for popularization and application. The nasal cavity is easy to observe and clean, and sensing control requirements are met.