43 results about "Tramadol Hydrochloride" patented technology

The invention discloses a method to measure contaminant of acet amidogen phenol and tramadol hydrochloride preparation. Using this invention, it can be simple, rapid and accurate detect pair amidogen phenol content in the preparation, the detection error of only 0.4%, while it can detect others unknown impurity gross, the invention will be able to meet the needs of the parties concerned.

The invention provides an orally disintegrating tablet containing tramadol hydrochloride and paracetamol, and the preparing process, wherein tramadol hydrochloride and paracetamol are dressed for mouth cavity use. During the dressing process, right amount of medicinal auxiliary materials are charged.

The invention relates to a composite tramadol hydrochloride formulation and preparation process, wherein the compound preparation can be made into the forms of capsules or dispersing tablets, each 1000 capsules or 1000 dispersing tablets comprise tramadol hydrochloride 40-45g, acetaminopher 300-350g, sodium carboxymethyl starch 7.5-25g, and magnesium stearate 2.5-5g.

Cis-Tramadol hydrochloride is prepared by forming a Mannich hydrochloride, liberating the Mannich base, reacting the Mannich base with a Grignard reagent to form a base hydrate of cis-Tramadol which is used to form pure cis-Tramadol hydrochloride. Also claimed is the base hydrate of cis-Tramadol per se and its use as a medicament.

The present invention relates to an injection preparation formed from tramadol hydrochloride and paracetamol. It is a new analgetic medicine with the effect of quickly-stopping pain.

The invention discloses a method for determination of related substances of paracetamol and tramadol hydrochloride capsules; a high performance liquid chromatography (HPLC) is adopted, a chromatographic column with octylsilane bonded silica gel as a filler is used, potassium dihydrogen phosphate and tetrahydrofuran are used as a mobile phase, chromatographic conditions are screened and improved, and an HPLC reference substance method is added for inspecting the content of cis-tramadol hydrochloride; the inspecting ability is improved, the limits of cis-ramadol hydrochloride and other related substances are formulated, the quality of the paracetamol and tramadol hydrochloride capsules is effectively controlled, and the safety and effectiveness of the paracetamol and tramadol hydrochloride capsules are ensured.

The invention relates to a gel material for preventing intestinal adhesion, which is used for preventing peritoneal adhesion after operation. Hyaluronic acid crosslinking preparations for isolating damaged wounds can cause severe adverse reactions during application, such as abdominal pain, abdominal infection, and intestinal adhesion, and even reoperation is performed due to adverse reactions for some patients; the hyaluronic acid crosslinking preparations also have a dissociation phenomenon in the body, and the isolation effect is reduced. The gel material for preventing intestinal adhesion of the invention is a gel system formed by polyacrylamide, a hydrotalcite colloid material, iron ion crosslinked hyaluronic acid gel liquid, 2-deoxy-D-glucose (2-DG) with anti-inflammation and pain-relieving efficacy, tramadol hydrochloride, and acetaminophen. After operation, the gel material is coated directly on a wound; crosslinking effect is generated with fibrin blood clots on the wound; thus the gel material is firmly adhered to the wound; good isolation effect is reached. The medicinal components with anti-inflammation pain-relieving efficacy are directly applied to the wound; and inflammation caused by singly application of hyaluronic acid isolating substances is alleviated.

The invention relates to one agent type of compound tramadol hydrochloride. The provided technical project produces tramadol hydrochloride and acetyltropolone dispersible tablet with following components in weight fractions: tramadol hydrochloride in 37.5 deals; acetyltropolone in 325 deals; filling agent in 15-25 deals selected from lactose, compressible starch, white dextrine and/or starch; disintegrating adminicle in 50-70 deals selected from crosslinked polyvinyl pyrrolidone, microcrystalline cellulose, L-HPC, sodium carboxymethylstarch and/or compressible starch; lubricating agent in 1-2.5 deals selected from magnesium or/and talcum powder. The time of dispersing uniformly of provided dispersible tablet can reach 1 minutes and the time limit of disintegrating can reach 2 minutes.

The invention provides a novel preparation using tramadol hydrochloride and paracetamol compositions as the main medicaments, i.e. aminophen tramadol chewing tablet. The weight ratio of tramadol hydrochloride and paracetamol is 0.1:1-0.2:1, and the adjuvant employs medicinal excipient, which includes 50.1-83.7% of water-soluble bulking agent, crumbling agent, lubricating agent, flavoring agent, moistening agent or binding agent.

The present invention discloses one kind of transdermal plaster preparation of Tramadol hydrochloride. The plaster preparation of Tramadol hydrochloride is used in ultrasonic administrating system, ion introducing administrating system, electroporating administrating system and high pressure gas administrating system, to treat various kinds of chronic pain, post-operational pain and cancer pain. It may be also used in drug addiction eliminating treatment.

A dripping pill of tramadol hydrochloride is prepared by ultrafine pulverizing and conventional process for preparing dripping pills.

The invention discloses a synthesis method of tramadol hydrochloride. The synthesis method comprises the steps as follow: Grignard reagent that is m-methoxy phenyl magnesium bromide is manufactured in 2-methyltetrahydrofuran that is green solvent, then the Grignard reagent reacts with 2-dimethylamino methyl cyclohexanone to obtain crude products which are salified in hydrochloric alcoholic solution, so as to manufacture the tramadol hydrochloride. Compared with the traditional technology, the synthesis method has the advantages that the 2-methyltetrahydrofuran that is green solvent is adopted in the Grignard reaction, the reaction yield rate is higher, products are easy to separate and purify, the solvent consumption is less and easy to be recycled and reused, the environmental pollution is small, and the synthesis method is suitable for industrialized production.

The invention discloses a freeze dried powder injection of tramadol hydrochloride and its preparation process, wherein the powder injection contains effective amount of tramadol hydrochloride and corresponding medicinal filling agent and water for injection. The preparing process comprises the following steps, (1) dissolving tramadol hydrochloride raw material and filling agent with right amount of water for injection, filtering and loading, (2) pre-freezing to -45 to -40 deg C, thermally insulating 3 hours, slowly elevating temperature to 25 deg C, (3) thermally insulating 2-3 hours at 25 deg C., finally carrying out germ-free fusion sealing.

The invention belongs to veterinary medicine preparation technology and provides a compound anesthetic for cats and a preparation method thereof. The compound anesthetic is formed by ketamine hydrochloride, dexmedetomidine, tramadol hydrochloride, pentobarbital sodium, sodium chloride, gelatin and water for injection. The ketamine hydrochloride, the dexmedetomidine, the tramadol hydrochloride, the pentobarbital sodium, the sodium chloride and the gelatin are dissolved in the water for injection in sequence, by means of 0.2 mole per litre of hydrochloric acid solution, potential of hydrogen (PH) is adjusted to 7.8, the water for injection is added again, after dilution and filtering, the obtained solution is poured into an ampoule bottle, and after sterilization, the compound anesthetic for the cats can be obtained. The compound anesthetic is rapid in anesthesia induction, good in anesthetic effects, safe and effective in the process of anesthesia, slight in influence on normal physiological and biochemical indexes, small in toxic and side effects, and the cats can revive stably, and the preparation method is simple and feasible.

The invention discloses a compound preparation for treating vertebra osteomyelitis and a preparation method of the compound preparation. The compound preparation consists of the following ingredients: amikacin, diacerein, onychin, eleutheroside, paracetamol glucoside, active protein peptide, chitosan, trace elements, vitamin D, methyl salicylate, arbutin, algae polysaccharide, tramadol hydrochloride, radix dipsaci alkali and gypenoside. The compound preparation for treating the vertebra osteomyelitis disclosed by the invention has functions of relieving pain, resisting inflammation and killing bacteria, and the compound preparation is capable of promoting blood circulation, promoting development of bones and strengthening tendons and bones; moreover, the compound preparation is capable of relieving apoptosis, enhancing resistance of organs and improving human metabolism; and clinical application verifies that the compound preparation is significant in curative effect on the vertebra osteomyelitis, and the compound preparation is safe and low in side effects.

The invention provides a preparation method for a tramadol hydrochloride dispersible tablet. The tramadol hydrochloride dispersible tablet is prepared from tramadol hydrochloride of the effective treatment dosage, pregelatinized starch, microcrystalline cellulose, polyvinylpolypyrrolidone, calcium carbonate and magnesium stearate. After partial tramadol hydrochloride and partial pregelatinized starch are adopted for sufficient mixing in the earlier stage, smashing is conducted, so that the mixture is uniformly mixed sufficiently, and the dispersion effect of the tramadol hydrochloride is improved; the quick effect is ensured. Then, the rest of tramadol hydrochloride, the polyvinylpolypyrrolidone and the calcium carbonate are mixed sufficiently, the adhesive characteristic of the polyvinylpolypyrrolidone is utilized, so that the partial tramadol hydrochloride is slowly released, and analgesic effect time is prolonged.

The invention belongs to the field of medicine, and particularly relates to a pharmaceutical composition and an application thereof in preparation of analgesic drugs. The pharmaceutical composition takes etodolac and tramadol hydrochloride as active pharmaceutical ingredients, wherein the ratio of etodolac to tramadol hydrochloride is preferably 0.1-100:1, more preferably 4-8:1. The pharmaceutical composition can be made into an appropriate pharmaceutical preparation for drug administration, such as oral preparations. A large number of pharmacological experiments confirm that etodolac and tramadol hydrochloride have a significant synergistic effect in treatment of pains caused by various factors. The pharmaceutical composition is strong in analgesic effect, low in untoward effects, and suitable for long-term application for patients with pains.

The invention discloses a method of preparing nano medical adhesive. The nano medical adhesive is made from the following parts, by weight, of 55-65 parts of polyvinylpyrrolidone, 8-15 parts of polyethersulfone ether ketone, 50-60 parts of polyvinyl alcohol, 25-40 parts of xanthan gum, 3-8 parts of agar, 10-15 parts of fibrin glue, 5-10 parts of sweet potato starch, 3-8 parts of ethyl acetate, 4-6parts of nano-calcium oxide powder, 2-6 parts of sodium glycocholate, 3-5 parts of triglyceride monostearate, 5-8 parts of tramadol hydrochloride, 10-15 parts of polyether triol, 3-5 parts of zinc oxide, 5-10 parts of sodium carboxymethyl cellulose, 15-20 parts of sodium alginate and 11-14 parts of cellulose. The prepared nano medical adhesive has the advantages of having high bond strength and compressive strength and little stimulation to organism tissues, adding no harmful reagents, having antibacterial hemostasis, and being suitable for use in surgery and especially suitable for the bonding of soft tissues.

The invention provides a novel single-chamber tramadol hydrochloride osmotic pump controlled release tablet preparation. A semi-permeable membrane containing ethyl cellulose (EC) and polyvidone (PVP) is coated on the surface of a medicament table core, so that the phenomenon of ageing of the semi-permeable membrane can be avoided, and medicament residues are reduced. The invention further provides a method for improving the anti-ageing performance of a single-chamber tramadol hydrochloride osmotic pump controlled release tablet. The method is characterized in that: ethyl cellulose-polyvidone is taken as a semi-permeable membrane material. Moreover, the invention further provides an application of an ethyl cellulose-polyvidone composition to preparation of a single-chamber tramadol hydrochloride osmotic pump controlled release tablet with anti-ageing performance.