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39 results about "Bone wax" patented technology

Bone wax is a waxy substance used to help mechanically control bleeding from bone surfaces during surgical procedures. It is generally made of beeswax with a softening agent such as paraffin or petroleum jelly and is smeared across the bleeding edge of the bone, blocking the holes and causing immediate bone hemostasis through a tamponade effect. Bone wax is most commonly supplied in sterile sticks, and usually requires softening before it can be applied.

Absorbable hemostatic bone wax and preparation method thereof

The present invention provides an absorbable hemostatic bone wax and a preparation method thereof, belonging to the technical field of hemostatic materials. The wax comprises poloxamer and a random copolymer of ethylene oxide and propylene oxide, with a mass ratio of 3-7:3-7. The absorbable hemostatic bone wax is a waxy solid material with good plasticity and adhesion. It is used to control bleeding from bone wounds and is completely degraded and absorbed within one month after use, avoiding the risk of bone nonunion and infection caused by foreign body space occupation.
Owner:SAIKE SAISI BIOTECH CO LTD

A bone wax smear gun that automatically fills and ejects bone wax

The present invention provides a bone wax smearing gun that automatically fills and ejects bone wax, comprising a gun body, a gun head, a bone wax mechanism, a catheter, and a control mechanism, wherein the bone wax mechanism and the control mechanism are mounted on the gun body; the bone wax mechanism is used for mounting a bone wax tube filled with bone wax, and for filling the bone wax in the bone wax tube into the inner cavity of the gun head; the rear end of the catheter is connected to the opening of the bone wax tube, and the front end of the catheter extends into the gun head; the control mechanism is used to control the bone wax mechanism to extrude the bone wax in the bone wax tube. Therefore, the bone wax smearing gun is capable of automatically filling with bone wax, effectively avoiding the risk of cross infection caused by manual filling, and can perform a one-time insertion and multiple smearing operation according to the surgical situation, ensuring that a rapid hemostatic effect can be achieved, improving efficiency, and reducing surgical time.
Owner:JINAN UNIVERSITY

Nerve detacher for endoscope

The invention discloses a nerve detacher for an endoscope, and relates to the technical field of medical instruments, the nerve detacher comprises a body part, one end of the body part is provided with a handle, the other end of the body part is provided with a detaching head, the two ends of the body part are both provided with clamping and embedding devices, the body part is provided with a slidable sliding sleeve, and the sliding sleeve is provided with a clamping and embedding device. The end, close to the handle, of the sliding sleeve is provided with a clamping part, and the clamping part is in clamping fit with the clamping and embedding device. When the clamping part is in clamping fit with the clamping and embedding device close to the stripping head, the stripping head is sleeved with the sliding sleeve, and the front end of the stripping head cannot be exposed. The stripping head is sleeved with the sliding sleeve in a sliding mode to form protection, the bent stripping head can better pass through a soft tissue channel, the problem that the stripping head is blocked by soft tissue and falls off when holding bone wax is solved, and in addition, the stripping head has the advantages of being simple in structure and convenient to operate.
Owner:SHENZHEN HOSPITAL OF SOUTHERN MEDICAL UNIV

Spinal minimally invasive endoscopic hemostatic bone wax delivery device

This invention discloses a hemostatic bone wax delivery device for minimally invasive spinal surgery, belonging to the technical field of minimally invasive spinal surgical instruments. The device includes a handle with a movable groove at its top and a first mounting groove at its bottom. A fixed seat is located at the bottom of the first mounting groove, and a telescopic mechanism is installed at its center. A pushing mechanism is installed within the movable groove, providing thrust to the telescopic mechanism. This invention, through the design of the handle, telescopic mechanism, and pushing mechanism, converts mechanical energy into kinetic energy using the mechanical principles of instruments. It allows the hemostatic bone wax to be firmly pressed onto the bleeding point by the pressure of a spring component without requiring the surgeon to rotate their wrist. Furthermore, it eliminates the need for wrist rotation; simply pushing the handle does not interfere with the surgeon's view of the camera, thus improving surgical outcomes.
Owner:FIRST AFFILIATED HOSPITAL OF KUNMING MEDICAL UNIV

Bonding wax gun

The utility model relates to the field of medical instruments, and particularly discloses a bone wax gun which comprises a fixed gun body, a movable gun body, a fixed handle, a movable handle, a sleeve, a push rod, a piston head, a first spring piece, a second spring piece and a limiting block. Bone wax is beaten into a bone errhysis point, the end of the fixed gun body and the end of the movable gun body are of a long and thin structure and can stretch into a narrow space for operation, the hand does not need to make contact with the errhysis point, the sleeve and the push rod can also be detached for disinfection and replacement, and therefore the sanitary condition in the operation process can be guaranteed.
Owner:CANCER HOSPITAL AFFILIATED TO GUANGXI MEDICAL UNIV

Spine abrasive drill sleeve with bone wax for assisting hemostasis

The invention provides a spine abrasive drill sleeve with bone wax for assisting hemostasis, which comprises a pipe body for an abrasive drill to extend into, a limiting part for preventing the abrasive drill from polishing nerves below sclerotin is arranged below a first end part, extending into a patient, of the pipe body, and the spine abrasive drill sleeve further comprises a bone wax pipeline for accommodating the bone wax, a connecting piece is arranged between the limiting part and the first end part of the pipe body, a wax outlet is formed in the connecting piece, and the wax outlet is communicated with a bone wax pipeline. When the abrasive drill works, the bone wax can be smeared on the surface of the bone under the rotation of the abrasive drill after being extruded, so that a channel and a bone wax smearing device do not need to be additionally arranged, the bone wax can be smeared on the bone part while the abrasive drill grinds through the abrasive drill sleeve, an overlarge surgical working channel can be avoided, the operation can be simplified, and the working efficiency is improved. Operation of the abrasive drill and the bone wax is achieved on the independent abrasive drill sleeve, multiple doctors do not need to operate in a matched mode, and meanwhile the requirement for the experience level of the doctors is not too high.
Owner:JINAN UNIVERSITY

Mold for preparing absorbable bone wax sample

The utility model relates to the technical field of medical instruments, and particularly discloses a mold for absorbable bone wax sample preparation, which comprises a base, a mold groove is arranged in the middle of the base, a cuboid mold is placed above the mold groove, and a support plate is fixedly connected above the base; the die-casting mechanism comprises an anti-sticking plate located above the die, four first springs are evenly distributed above the anti-sticking plate, and a pressing plate is fixedly connected to the upper portions of the first springs; the cleaning mechanism comprises an air cylinder and a temperature sensor, the air cylinder is fixedly connected to the rear side area of the inner wall of the supporting plate, second springs are arranged on the two sides of the air cylinder, and scraping plates are fixedly connected to the ends, away from the inner wall of the supporting plate, of the second springs; after raw materials needed for manufacturing bone wax are injected into the mold groove, the pressure casting mechanism is started, the cleaning mechanism is started to remove residues on the surface of the mold after forming, manual intervention is remarkably reduced, material loss is reduced compared with a traditional mold, and the device has the advantages of being convenient to clean and maintain, stable in forming quality and the like.
Owner:ANHUI ZHONGKEMEIDE MEDICAL TECH CO LTD

Bone wax softening bag

ActiveCN223731443USurgeryBiomedical engineeringBody water
The utility model provides a bone wax softening bag which comprises a bag body, one surface of the outer side of the bag body is provided with a containing groove used for containing bone wax for softening, and the inner side of the bag body is provided with an open interlayer used for containing the bone wax to be softened. A bag body water injection heating softening mode is adopted to replace a traditional hand rubbing heating softening mode, direct contact between limbs and bone wax is reduced, the situation that in the operation process, water stains on the glove are mixed with blood and the bone wax, the adhesion degree of the bone wax is reduced, and the hemostatic effect of the bone wax is prevented from being affected can be effectively avoided; meanwhile, the bone wax bag is provided with the containing groove used for containing prepared bone wax and the open interlayer used for containing a whole piece of unprepared bone wax, the bone wax bag has the effects of being multipurpose, time-saving, labor-saving and capable of being used and taken at any time, and the mode that water is injected into the bag body for heating is adopted, so that the bone wax is heated more evenly, the softening effect is better, and the operation efficiency is improved.
Owner:SUN YAT SEN UNIVERSITY CANCER CENTER (CANCER HOSPITAL AFFILIATED TO SUN YAT SEN UNIVERSITY CANCER RESEARCH INSTITUTE OF SUN YAT SEN UNIVERSITY)

Bone wax applicator under foramen intervertebrale endoscope

The utility model discloses a foramen intervertebrale endoscope bone wax applicator which comprises a foramen intervertebrale endoscope body and a sleeve located in the foramen intervertebrale endoscope body, an applying device is arranged on the outer surface of the sleeve and comprises a spherical applying head, and the spherical applying head moves to apply bone wax to an operation area. According to the bone wax applicator under the foramen intervertebrale endoscope, a processing device is arranged, bone wax is pushed to an applying area, a cylinder and a sleeve are fixedly installed, a motor drives a gear to rotate, the gear rotates to drive a rack to move in the cylinder which is connected in a sliding and inserted mode, the cylinder is connected with a rotating groove in a sliding and inserted mode through a supporting rod, and a sleeve rod moves in the cylinder; the design of the threaded groove facilitates more uniform pushing of the bone wax, the control button is used for controlling starting of the motor and is fixed to the outer surface of the handle, a user can conveniently press and operate the handle when holding the handle, and the bone wax smearing device has the effect of conveniently smearing the bone wax on the bleeding cancellous bone.
Owner:JIAXING XIUZHOU DISTRICT PEOPLES HOSPITAL

Antibacterial absorbable bone wax and preparation method thereof

The invention relates to antibacterial absorbable bone wax and a preparation method thereof. The bone wax comprises the following raw material components in parts by weight: 20-90 parts of a lysine or polylysine modified matrix material, 2-20 parts of an auxiliary material and 0.5-10 parts of an emulsifier. Compared with the prior art, the bone wax product provided by the invention can simultaneously realize various properties such as degradation, osteogenesis and antibiosis, and the popularization and application of the bone wax product are promoted.
Owner:PETROCHINA SHANGHAI ADVANCED MATERIALS RESEARCH INSTITUTE CO LTD +1

Multifunctional low-temperature plasma knife

The multifunctional low-temperature plasma knife comprises a wire, a grip, a fixed connecting plate, a limiting sleeve, an insulating protective sleeve, a knife head, a sliding control tube, a sliding limiting clamping shaft, a reset spring and a limiting clamping plate, the wire is fixedly connected to the tail end of the grip, the fixed connecting plate is fixedly connected to the front end of the grip, and the limiting clamping plate is fixedly connected to the tail end of the grip. And the limiting sleeve is fixedly connected to the front end of the fixed connecting plate. In the using process of the low-temperature plasma knife, bone wax added into the adding pipe can be conveniently added to the knife head, so that the low-temperature plasma knife can achieve the rapid hemostasis effect when bone bleeding occurs, tissue ablation and cutting can be achieved through the low-temperature plasma knife, meanwhile, blood in small blood vessels can be coagulated through plasmas, and therefore the blood in the small blood vessels can be rapidly removed. The device is simple in structure, convenient to use, capable of achieving the hemostasis effect, capable of stopping bone bleeding and convenient to control and use in the use process, bone wax can be automatically and conveniently added, and the treatment efficiency is greatly improved.
Owner:于洋

Bone wax filler

The utility model relates to the technical field of medical equipment, and particularly discloses a bone wax filler which comprises a tube body and a propelling part, the pushing part is inserted into the pipe body from one end of the pipe body and moves along the pipe body, a jacking head is arranged at the end, arranged in the pipe body, of the pushing part, and the jacking head and the inner wall of the pipe body abut against each other. According to the utility model, through the tight propping design of the propping head and the inner wall of the tube body, the stability of bone wax in the transmission process is ensured, and the problem of loosening caused by unfixed gauze or gauze ball in the traditional method is avoided, so that the reliability and the safety of an operation are improved. A doctor can accurately control the smearing position and the smearing amount of the bone wax by operating the propelling part, the problem that redundant bone wax overflows due to inaccurate smearing in a traditional method is solved, the infection risk and the possibility of a secondary operation are reduced, and the pain and the economic burden of a patient are reduced.
Owner:BEOGENE BIOTECH GUANGZHOU

Bone wax applicator for spine endoscope

The invention discloses a bone wax applicator for a spine endoscope, and relates to the technical field of medical instruments. The device comprises a sleeve and a push rod, a hollow handle is arranged at one end of the sleeve, a limiting long hole is formed in the side wall of the handle, a smearing block is arranged at the other end of the sleeve, and a protrusion in the axis direction of the sleeve is arranged at the outer end of the smearing block. The push rod is inserted into the sleeve and the handle, the push rod is of a solid rod-shaped structure, one end of the push rod is connected with a limiting rod arranged in the limiting long hole in a penetrating mode, and a spherical ejector block is arranged at the other end of the push rod. Compared with the prior art, the bone wax pushing and smearing device can solve the problems that an existing bone wax pushing and smearing device is too large in occupied space, complex in structure and poor in adaptability.
Owner:LIUZHOU HOSPITAL OF TRADITIONAL CHINESE MEDICINE

Absorbable bone wax, preparation method and application

The invention discloses absorbable bone wax as well as a preparation method and application thereof, and relates to the technical field of medicines. The absorbable bone wax comprises the following components in parts by weight: 8-25 parts of calcium stearate, 15-35 parts of vitamin E or a derivative thereof, 12-45 parts of polyethylene glycol or a derivative thereof and 12-50 parts of calcium sulfate. The bone wax is endowed with excellent blocking and hemostasis performance through calcium stearate, the hardness of the bone wax is adjusted through vitamin E and a derivative thereof, and under the synergistic effect of calcium sulfate and polyethylene glycol or a derivative thereof, the relationship between the blocking and hemostasis performance of the bone wax and the loosening time is effectively balanced, and it is guaranteed that the bone wax has the good hemostasis effect and also has the good hemostasis effect. And in addition, the wet and slippery wet-proof coating has the characteristics of good operation performance, no wet and slippery feeling and non-sticking to gloves.
Owner:CHENGDU RUINUO MEIJER MEDICAL INSTRUMENT CO LTD

Bone wax applicator

ActiveCN309971399SForamen intervertebraleSpinal column
1. The name of the design product: bone wax filler. 2. The use of the design product: used in orthopedic minimally invasive surgery (such as arthroscopic surgery, unilateral double-channel endoscopic surgery under the endoscope, or intervertebral foramen surgery), under the working channel of the endoscope, to deliver bone wax to the bone wound site for hemostasis. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: combined state Figure 1. 5. Other components that need to be explained: component 1 is a push injection, component 2 is a tube body, component 3 is a quantitative pre-charged push handle, and component 4 is a quantitative push limit nut. 6. Other information that needs to be explained: the local enlarged view is marked at A in the front view of component 2.
Owner:BEOGENE BIOTECH GUANGZHOU

Absorbable bone wax and preparation method thereof

The invention discloses absorbable bone wax and a preparation method thereof, and belongs to the field of biomedical materials. The absorbable bone wax is prepared from the following components in percentage by weight: 45 to 60 weight percent of sodium carboxymethyl cellulose, 30 to 50 weight percent of binary or terpolymer containing polyethylene glycol (PEG), 5 to 10 weight percent of calcium stearate and 1.25 to 3 weight percent of citric acid, the copolymer is obtained by copolymerization of PEG and one or two of caprolactone and lactide. Sodium carboxymethyl cellulose is purified to reduce endotoxin, the molecular weight of the copolymer and the proportion of each component are controllable, and an osteogenesis active material can be added. The preparation method comprises the steps of sodium carboxymethyl cellulose purification, copolymer and citric acid vacuum dehydration thermal crosslinking, component mixing and the like. The bone wax disclosed by the invention is good in absorbability, excellent in biocompatibility and simple and controllable in preparation process, can meet clinical bone hemostasis requirements, and has a good application prospect.
Owner:JIANGXI BOEN RUIER BIOTECHNOLOGY CO LTD

Material combinations and processing methods for a surgical instrument

Surface preparation for sliding surfaces can enhance wear performance for surgical instruments such as surgical staplers which include reusable mechanisms that are used multiple times with single use reload cartridges. To reduce the potential for galling wear in a metal-to-metal sliding engagement, a combination of surface hardening, surface finish, and surface coatings can be applied to metallic components of a surgical instrument. Surface hardening techniques can allow further manufacturing operations such as welding without compromising the strength of the underlying metal substrate. With stainless steel metal substrates, as surface or case hardening techniques can reduce corrosion resistance, a surface coating can be applied to inhibit surface oxidation as well as provide a barrier to metal-to-metal contact. A further lubricious coating layer such as a bone wax coating layer can enhance galling resistance.
Owner:APPL MEDICAL RESOURCES CORP

Absorbable bone wax and preparation method thereof, and bone repair product or bone product comprising absorbable bone wax

The invention belongs to the field of biomedical materials, and relates to absorbable bone wax and a preparation method thereof, and a bone repair product or a bone product comprising the absorbable bone wax. The preparation method comprises the following steps: taking required raw materials which are preheated or not preheated, and carrying out first blending stirring under the condition of 40-90 DEG C to prepare an intermediate product 1; cooling the intermediate product 1 to 10-30 DEG C, and carrying out second blending stirring under the condition of 10-30 DEG C to prepare an intermediate product 2; the intermediate product 2 is molded, and bone wax is prepared; the raw materials comprise a fat-soluble liquid component with a melting point lower than 80 DEG C and a solid component with a melting point of 100-500 DEG C. The composition is prepared from a fat-soluble liquid component with the melting point being lower than 80 DEG C and a solid component with the melting point being 100-500 DEG C. In the preparation process, by adjusting the heating condition, the situation that the cohesion of the fat-soluble liquid component with the low melting point and the solid component with the high melting point is increased due to heating in the processing process is reduced, and the content of the fat-soluble liquid component with the low melting point and the solid component with the high melting point is reduced. The finally prepared absorbable bone wax is reduced in cohesion, reduced in hardness and improved in adhesion, and can be directly used at room temperature, so that the use convenience is improved.
Owner:SHAANXI BIO REGENERATIVE MEDICINE CO LTD

Bone wax pusher

The utility model discloses a bone wax pushing-in device which comprises a shell, a heating cylinder and a heating resistance wire, the heating cylinder is provided with a feeding port and a discharging port, the feeding port is connected with a feeding cylinder, the feeding cylinder penetrates out of the shell, and a pushing piston with an oval section is arranged in the feeding cylinder; a replaceable injection needle is in threaded connection with the discharge hole; and one end of the material pushing plug is connected with a material pushing rod, one end, penetrating through the heating cylinder, of the material pushing rod is fixedly provided with a material pushing rod, and the material pushing rod is connected with a material pushing driving mechanism. According to the bone wax coating device, the heating cylinder and the heating resistance wire are arranged, the heating resistance wire can heat the heating cylinder so as to melt bone wax in the heating cylinder, meanwhile, the heating resistance wire can conduct heat preservation on the melted bone wax in the heating cylinder, and when the injection needle is used for coating the bone wax, the bone wax is prevented from being solidified; and the coating effect of the bone wax is ensured.
Owner:CHENGDU SULIKANG TECH CO LTD

Hemostatic wax and preparation method thereof

The present invention proposes a hemostatic wax and a preparation method thereof, belonging to the technical field of hemostatic materials. The Chinese medicine extract is extracted with water from Panax notoginseng, Bletilla striata and Artemisia argyi, and added to the prepared hollow porous silica nanospheres, ferric chloride and ferrous chloride are added, ammonia water is added dropwise, and the mixture is stirred and precipitated to prepare magnetic drug-loaded nanospheres; the mixture is mixed with bone wax material and added to an aqueous solution containing sodium alginate, and a metal ion solution is added dropwise, solidified at room temperature, and filtered to prepare the hemostatic wax. The hemostatic wax prepared by the present invention is a hydrogel wax-like hemostatic material that can promote blood coagulation and has good plasticity and adhesion. It is used to control bleeding on bone wounds and can be completely degraded and absorbed within one month after use, thereby avoiding the risk of bone non-union and infection caused by foreign body occupation.
Owner:SAIKE SAISI BIOTECH CO LTD

Trephine for stopping bleeding of bone section in lumbar foramen endoscope

PendingCN121647755ASurgical sawsForamenBone tissue
The invention relates to the technical field of bone section trephine in the lumbar foramen endoscope operation, in particular to a trephine for stopping bleeding of a bone section in the lumbar foramen endoscope operation. According to the technical scheme, the device comprises a trephine and a propeller fixedly arranged at the end of the trephine in a sleeving mode; a plurality of pits are formed in the side wall of the end, close to a saw blade, of the trephine, and the pits are filled with bone wax used for stopping bleeding during cutting. According to the trephine, the multiple pits are formed in the outer surface of the working section of the trephine, the bone wax is smeared in the multiple pits through the wax adding ring before an operation, the bone wax is smeared at the bleeding position in the incision process of the operation, and the problems that after a traditional trephine is used for cutting bone tissue, due to delayed hemostasis of the bone section, the visual field is disturbed, and hemostasis operation is difficult are solved; the effect of stopping bleeding immediately in the cutting process is achieved. The hemostasis efficiency in the lumbar foramen endoscope operation is improved, the hemostasis time is shortened, and the overall operation duration is shortened. And the difficulty of endoscopic hemostasis operation is reduced, remaining bleeding spots are reduced, and the operation safety and reliability are improved.
Owner:PEKING UNIVERSITY THIRD HOSPITAL (THE THIRD CLINICAL MEDICAL SCHOOL OF PEKING UNIVERSITY)

Roller type bone wax applicator for UBE spine endoscopic surgery

The utility model discloses a roller type bone wax applicator for UBE spine endoscopic surgery, which comprises a roller type applying part, a connecting rod and a handle which are connected in sequence, the roller type applying part comprises an adapter connected with the connecting rod, the adapter is fixedly connected with a roller mounting seat through a fixing cap, and the roller mounting seat is fixedly connected with the connecting rod. A roller is movably assembled on a guide pillar on the roller mounting seat, a limiting piece for limiting the roller is arranged at the other end of the guide pillar, and the working surface of the roller is a rough surface; according to the utility model, bone wax can be uniformly smeared on the surface of a bone tissue, the operation is more convenient and rapid due to the roller type design, the bone wax is accurately and uniformly applied to a required part, and the operation fatigue is reduced; and the smearing direction and range can be controlled more easily, so that the bone wax can be applied to a target area more accurately, and the accuracy and efficiency of an operation are improved.
Owner:AFFILIATED HOSPITAL OF WANXI HEALTH VOCATIONAL COLLEGE

Absorbable bone wax and preparation method thereof

The invention provides absorbable bone wax and a preparation method thereof. The method comprises the following steps: respectively carrying out vacuum drying treatment on polycaprolactone and citrate, and storing for later use; taking polycaprolactone with a specified proportion and component, and carrying out melt blending to prepare a polycaprolactone melt; citric acid ester is weighed and added into the polycaprolactone melt, mechanical stirring is conducted, uniform mixing is conducted, and an absorbable bone wax precursor is prepared; under the condition of mechanical stirring, the degradable bone wax precursor is controlled to be slowly cooled to the room temperature, and the absorbable bone wax intermediate is prepared. The absorbable bone wax intermediate is put into a kneading machine to be sufficiently kneaded and then pressed into a mold, and the absorbable bone wax based on polycaprolactone is prepared. The absorbable bone wax can be ensured to have excellent hemostatic efficacy, good biocompatibility and biodegradability and good wet stability, and can meet the hemostatic requirements of larger bone wounds.
Owner:YIJIA MEDICAL TECHNOLOGY (SHENZHEN) CO LTD

Absorbable bone wax and preparation method thereof

The invention relates to the technical field of hemostatic materials, and particularly discloses absorbable bone wax and a preparation method thereof. The absorbable bone wax is prepared from the following raw materials in parts by weight: 65 to 75 parts of PCL / PEG (Polycaprolactone / Polyethylene Glycol) copolymer, 0.8 to 1.2 parts of sodium carboxymethyl cellulose and 3.25 to 4.12 parts of modified PLGA (Poly (Lactic-co-Glycolic Acid) fiber. In addition, the preparation method provided by the invention has the strength advantage of improving the strength of the absorbable bone wax while ensuring the absorption effect of the bone wax.
Owner:QINGDAO ZHONGTENG BIOTECH

Bone wax applicator

The utility model provides a bone wax applicator which comprises a handle, a connecting rod and at least one applying head, the handle is fixedly connected with the connecting rod, the applying head is arranged at one end, far away from the handle, of the connecting rod, and a rough surface is arranged on the applying head. According to the utility model, the rough surface is arranged on the smearing head, so that the adhesion effect of the bone wax on the smearing head can be improved, and the bone wax on the smearing head is prevented from falling off before entering a working area or during smearing. Meanwhile, the smearing head is driven to move by moving the connecting rod, smearing action can be conducted, and the smearing process is simple and easy to operate.
Owner:DRAGON CROWN MEDICAL CO LTD

A bone wax smear gun with adjustable strength

The present invention provides a bone wax smearing gun with adjustable strength, comprising a gun body, a gun head, an ejection mechanism, a driving mechanism, a launching mechanism and an adjusting mechanism. The driving mechanism is used to drive an ejection part of the ejection mechanism to move backward, and the ejection part stores energy when moving backward. The launching mechanism is used to lock or release the ejection part. When the trigger of the launching mechanism is pulled, the ejection mechanism is released, and the ejection part moves forward to eject bone wax from the gun head; the adjusting mechanism is arranged in the gun body, and the adjusting mechanism is used to adjust the backward movement distance of the ejection part to change the strength of the bone wax ejected from the gun head, thereby realizing controllable strength of the bone wax ejected from the gun head. Therefore, under different bone surface surrounding environments, the surgeon can independently adjust the strength of the bone wax ejection according to the environmental conditions, to ensure that the bone wax can be stably smeared on the bone surface without falling each time it is ejected, thereby achieving an effective hemostasis effect, thereby improving efficiency and reducing operation time.
Owner:JINAN UNIVERSITY

Material combinations and processing methods for a surgical instrument

Surface preparation for sliding surfaces can enhance wear performance for surgical instruments such as surgical staplers which include reusable mechanisms that are used multiple times with single use reload cartridges. To reduce the potential for galling wear in a metal-to-metal sliding engagement, a combination of surface hardening, surface finish, and surface coatings can be applied to metallic components of a surgical instrument. Surface hardening techniques can allow further manufacturing operations such as welding without compromising the strength of the underlying metal substrate. With stainless steel metal substrates, as surface or case hardening techniques can reduce corrosion resistance, a surface coating can be applied to inhibit surface oxidation as well as provide a barrier to metal-to-metal contact. A further lubricious coating layer such as a bone wax coating layer can enhance galling resistance.
Owner:APPL MEDICAL RESOURCES CORP

Composite bone wax material as well as preparation method and application thereof

The invention provides a composite bone wax material as well as a preparation method and application thereof, and relates to the technical field of medical filling materials. The composite bone wax material provided by the invention is prepared from the following components in parts by mass: 1 to 10 parts of magnesium oxide, 1 to 10 parts of monopotassium phosphate, 1 to 5 parts of pregelatinized starch and 1 to 10 parts of polyethylene glycol, the mass ratio of the magnesium oxide to the monopotassium phosphate is (1-5): 1. In the composite bone wax material disclosed by the invention, magnesium oxide and monopotassium phosphate can react in a body fluid environment to realize rapid self-curing, so that the adhesion capability is favorably improved; by limiting the mass ratio of magnesium oxide to monopotassium phosphate, an alkaline environment can be formed, and formation of new bones can be induced; the pre-gelatinized starch provides thickening and gelling effects, and polyethylene glycol is used as a reaction medium to endow flexibility, so that the composite bone wax material can show better adhesion capacity in a continuous bleeding environment.
Owner:HEBEI UNIV OF TECH

Bionic bone repair material and preparation method thereof

The invention discloses a bionic bone repair material and a preparation method thereof, and belongs to the technical field of biomedical materials. According to the material, a decellularized collagen membrane prepared from a biological membrane through decellularization treatment serves as a base material and is cut into short collagen strips, then the short collagen strips are made into a hollow cylindrical conduit-shaped base body, and the conduit-shaped base body is fixed through a setting agent (bone wax or a protein solution). After a plurality of catheter-shaped substrates are arranged in a concentric circle or side by side mode to form a catheter assembly, the catheter assembly is wrapped and fixed by a long collagen strip cut from an acellular collagen membrane, and the bionic bone repair material is obtained. Optionally, a collagen / hydroxyapatite composite layer is deposited on the surface of the bionic bone repair material to enhance osteogenic activity. The material simulates a multi-channel structure of a natural bone tissue, has excellent biocompatibility, degradability and mechanical properties, and is suitable for fracture repair and bone defect filling.
Owner:JIANGXI BOEN RUIER BIOTECHNOLOGY CO LTD

Adjustable improved bone wax sprayer and temperature control system thereof

The invention provides an adjustable improved bone wax sprayer and a temperature control system thereof.The bone wax sprayer comprises a heat preservation liquid storage tank and a tank body cover part installed at an opening of the heat preservation liquid storage tank, a spraying controller is arranged on the tank body cover part, and a battery integrated miniature peristaltic pump is fixedly arranged in the tank body cover part; the inlet end of the spray pipe is communicated with the material pumping straight pipe, the outlet end of the spray pipe is connected with a discharge bent pipe, the discharge end of the discharge bent pipe is connected with the spray pipe, the spray end of the spray pipe is connected with the minimally invasive spray head, and the minimally invasive spray head comprises an atomizing spray channel, a flushing channel and a suction channel. Spraying adjustment can be carried out according to the angle and temperature requirements, and the device is suitable for minimally invasive surgery and complex anatomical structures and has a good hemostatic effect; a corresponding temperature control system adopts a modular closed-loop control framework, and real-time adjustment and safety protection in the bone wax spraying process are realized through three-stage closed-loop intelligent temperature control.
Owner:THE FIRST AFFILIATED HOSPITAL OF SOOCHOW UNIV