35results about How to "Act as pressure to stop bleeding" patented technology

The invention relates to a composite starch styptic powder and a preparation method thereof. The preparation method of the composite starch styptic powder comprises the following steps: using potato starch and modified starch as raw materials, emulsifying and cross-linking the potato starch and the modified starch respectively, screening the processed potato starch and the processed modified starch respectively with 150-mesh medicinal sieves, and finally mixing the screened potato starch and the screened modified starch in a certain proportion by a dry powder blending method so as to obtain the composite starch styptic powder. The styptic powder has favorable biocompatibility, good water absorption property and high water absorption speed, can be directly used for general bleeding, deep bleeding and bleeding of parts which are difficult to reach through an operative procedure, is simple and convenient to use, and has good effect of stopping bleeding; the raw materials are free from toxicity and stimulus, wide in sources, low in cost, and simple and feasible in technology, so that the styptic powder has wide clinical application prospects.

The invention provides a drag sustained release stent. The drag sustained release stent is characterized by comprising a stent body and a polymer membrane, and the stent body and the polymer membraneare connected together; the polymer membrane is a biodegradable polymer membrane or a non-biodegradable polymer membrane, the polymer membrane and/or the stent body is provided with at least one layerof drug coating, and the drug coating includes one or several kinds of antibacterial drugs, anti-inflammatory drugs, anti-cancer drugs and hemostatic drugs. The drug sustained release stent is applied to the treatment of sinusitis, and can not only play a supporting and continuously dosing role in a lesion location after FESS surgery, but also play a role in hemostasis after the surgery.

The present invention belongs to the technical field of medical auxiliary devices and discloses a waist and abdomen pressurization device after kidney puncture surgery. The waist and abdomen pressurization device after the kidney puncture surgery comprises fixed frames, electric push rods, a left arc-shaped supporting plate, a right arc-shaped supporting plate, upper clamps, lower clamps, clampingplates, first screw rods, sliding chutes, sliding blocks, second screw rods, pressurizing air bags, tightening belt male buckles and tightening belt female buckles; outer walls of the left arc-shapedsupporting plate and the right arc-shaped supporting plate are provided with fixing blocks, the electric push rods are arranged on inner sides of upper ends of the fixing frames, and telescopic endsof the electric push rods are fixedly connected with the fixing blocks. The upper and lower clamps clamp both sides of a sickbed; the electric push rods are controlled to start telescopic adjustment of the left arc-shaped supporting plate and the right arc-shaped supporting plate; the sliding blocks slide in the sliding chutes to adjust positions of the pressurizing air bags; the pressurizing airbags rotate on the sliding blocks through the second screw rods to realize up-and-down adjustment, so that pressurizing requirements of different body types of patients are met, and an effect of compression hemostasis on wound parts of the patients is achieved; and the waist and abdomen pressurization device is convenient to adjust and also reduces pains of the patients.

The invention relates to an absorbable starch bleeding-stopping powder and preparation method thereof. The method comprises: taking plant native starch and carboxy methyl starch as raw materials, performing emulsion dispersing under the effects of span 80, tween 80 and plant oil at pH of 9-10 at a temperature of 45-70 DEG C, crosslinking with sodium trimetaphosphate, extracting with ethyl acetate and performing liquid separation, washing with anhydrous ethanol, drying in a baking oven, and sterilizing, so as to obtain the absorbable starch bleeding-stopping powder. The bleeding-stopping powder has good biocompatibility, is directly applicable to general bleeding, deep bleeding and bleeding at positions where operations are difficult to reach, and is simple and convenient to use. The bleeding-stopping power employs starch as the raw material, is nontoxic, free of stimulation, wide in source, low in cost and simple and feasible in technology, and has wide clinic application prospect.

The invention discloses an absorbable starch styptic powder, and a preparation method thereof. The absorbable starch styptic powder is prepared by the following steps: taking plant origin starch and hydroxyethyl starch as the raw materials, emulsifying and dispersing the starches in span 80, tween 80, and plant oil at a temperature of 45 to 70 DEG C under a pH value of 9 to 10, adding sodium trimetaphosphate to carry out crosslinking, using ethyl acetate to perform extraction and liquid separation, washing the solid by anhydrous ethanol, drying the solid in a baking oven, and performing sterilization to obtain the styptic powder. The styptic powder has a good biocompatibility, can be directly applied to the common bleeding parts, deep bleeding parts, and bleeding parts that are hard to reach through surgery operation, and is simple and convenient to use. Starches are the raw materials of the styptic powder, thus the styptic powder is nontoxic and nonirritant, moreover, the sources of raw materials are wide, the cost is low, the technology is simple and feasible, and thus the styptic powder has a wide clinical application prospect.

The invention discloses an absorbable starch styptic powder, and a preparation method thereof. The absorbable starch styptic powder is prepared by the following steps: taking plant origin starch and hydroxyethyl starch as the raw materials, emulsifying and dispersing the starches in span 80, tween 80, and plant oil at a temperature of 45 to 70 DEG C under a pH value of 9 to 10, adding sodium trimetaphosphate to carry out crosslinking, using ethyl acetate to perform extraction and liquid separation, washing the solid by anhydrous ethanol, drying the solid in a baking oven, and performing sterilization to obtain the styptic powder. The styptic powder has a good biocompatibility, can be directly applied to the common bleeding parts, deep bleeding parts, and bleeding parts that are hard to reach through surgery operation, and is simple and convenient to use. Starches are the raw materials of the styptic powder, thus the styptic powder is nontoxic and nonirritant, moreover, the sources of raw materials are wide, the cost is low, the technology is simple and feasible, and thus the styptic powder has a wide clinical application prospect.

The invention relates to a composition. The composition comprises polyethylene glycol, cell-removed extracellular matrices and a hyaluronic acid solution, wherein the concentration of the polyethyleneglycol is 1.5w/v%-3.5%w/v, the concentration of the cell-removed extracellular matrices is 10w/v%-30w/v%, and the concentration of hyaluronic acid is 10g/L-20g/L. The composition disclosed by the invention has good biocompatibility, has a temperature-sensitive characteristic, and is gradually solidified along with rise of temperature; through a 3D printing technique, gel simulating the shape of extracellular matrices is prepared, adhesive attachment growth and regeneration repair of new granulation tissues in a cavity formed after a parenchyma resection operation are facilitated, and wound healing is promoted.

The invention discloses an absorbable starch styptic powder, and a preparation method thereof. The absorbable starch styptic powder is prepared by the following steps: taking plant origin starch and hydroxyethyl starch as the raw materials, emulsifying and dispersing the starches in span 80, tween 80, and plant oil at a temperature of 45 to 70 DEG C under a pH value of 9 to 10, adding sodium trimetaphosphate to carry out crosslinking, using ethyl acetate to perform extraction and liquid separation, washing the solid by anhydrous ethanol, drying the solid in a baking oven, and performing sterilization to obtain the styptic powder. The styptic powder has a good biocompatibility, can be directly applied to the common bleeding parts, deep bleeding parts, and bleeding parts that are hard to reach through surgery operation, and is simple and convenient to use. Starches are the raw materials of the styptic powder, thus the styptic powder is nontoxic and nonirritant, moreover, the sources of raw materials are wide, the cost is low, the technology is simple and feasible, and thus the styptic powder has a wide clinical application prospect.

The invention discloses a uterus hemostasis balloon, and belongs to the technical field of medical instruments. According to the technical scheme, a uterine cavity hemostasis balloon is compressed, the outermost side is wrapped with an outer wrapping film, on one hand, two anti-falling flaps and the uterine cavity hemostasis balloon are bound, the volume of the two anti-falling flaps and the uterine cavity hemostasis balloon is compressed as much as possible, and the two anti-falling flaps and the uterine cavity hemostasis balloon are conveniently fed into a uterine cavity; on the other hand, thermo-sensitive hydrogel can be injected into the wrapping film and fed into the hemostasis balloon together with the hemostasis balloon, after the thermo-sensitive hydrogel is fed into the uterine cavity, the wrapping film is discharged along a guide discharge pipe through a guide wire, and meanwhile water is injected into the uterine cavity hemostasis balloon through a drainage channel so that the uterine cavity hemostasis balloon can be gradually expanded and attached to the uterine cavity wall; meanwhile, the hydrogel can be extruded by the balloon to be thinly attached to the uterine cavity wall, the hydrogel which is in the liquid state at the room temperature is heated to rapidly complete phase transformation to form gel, the gel is distributed on the inner wall of the uterus, and the compression hemostasis effect on the bleeding position is achieved; and after the balloon is inflated by water injection, the anti-falling flaps on the two sides are pressed to be kept in an unfolded state, and the balloon is prevented from falling off.

The invention relates to an air bag type local compression hemostat for breasts, and belongs to the technical field of medical instruments. The device comprises a brassiere body, straps and shoulder straps, the straps and the shoulder straps are connected with the brassiere body, the straps are connected to two sides of the brassiere body, and the straps are connected through a locking structure; one end of the shoulder strap is arranged above the bra body, and the other end of the shoulder strap is connected with the back strap; the bra comprises a bra body, two bra inflation bags are arranged on the front side of the bra body, each bra inflation bag is provided with a plurality of bra inner inflation pipes which are arranged in a radial shape, at least one bra inner inflation pipe is provided with an inflation opening for an inflation device to inflate, and a vertical air bag belt is further arranged on the bra body and arranged on the lower sides of the bra inflation bags. When the air bag type local breast pressurizing hemostat is used for pressurizing an affected side after an operation, flap attachment is promoted, discharge of seepage and errhysis is accelerated, loose local skin retracts to achieve the local shaping effect, meanwhile, the compression hemostasis effect is achieved, hematoma formation is reduced, and swelling fading is accelerated.

The invention provides an auxiliary expandable hemostatic conical device of a percutaneous pedicle screw. The auxiliary expandable hemostatic conical device comprises a hollow spiral device, which isintegrally formed by a head part, a body part and a tail part; a hollow part penetrates through the head part, the body part and the tail part; the head part is of a disc-shaped structure; the body part is of a conical spiral structure; and the tail part is of a conical structure. The device is used for solving the problem of extensive bleeding in a screw path of the percutaneous pedicle screw, and can be placed into an incision along the full length of a guide wire in the process of treating thoracolumbar fracture by applying a percutaneous pedicle screw technology, so that the effect of instant compression hemostasis is achieved, and the safety of an operation is greatly improved.

The invention belongs to the field of biomedical materials, and particularly relates to a preparation method for hydroxyethyl cellulose hemostatic gauze. The hydroxyethyl cellulose hemostatic gauze is prepared by taking hydroxyethyl cellulose as a raw material and combining an ultrasonic processing technique with an electrospinning technique; a series of drying and sterilizing are performed, so that the hydroxyethyl cellulose hemostatic gauze is prepared. Hydroxy propyl cellulose belongs to neutral etherification products, overcomes a defect that the polar group is easy to generate a stimulation reaction to an organic body, and has the characteristics of high water swelling performance and quick hemostatic performance. The hydroxyethyl cellulose hemostatic gauze is nontoxic without stimulation, the process is simple and feasible, and the clinic application prospect is wide.

The invention relates to anorectal postoperative fixing trousers, which belongs to the technical field of medical treatment. The fixing trousers are convenient and practical, ventilation is better facilitated, the use comfort of a patient is improved, the dressing can be tightly attached to crissum skin, and recovery of the patient is facilitated. A drainage tube can be installed on the fixing trousers through threads and can also be detached from the fixing trousers to be used according to needs. When the drainage tube is used on the day of an operation, a main tube can effectively assist a postoperative patient in exhausting, observing drainage and judging whether bleeding occurs; on the other hand, liquid is injected through the tail portion of a first branch pipe, the balloon at the front end is bulged, the effects of fixing and compression hemostasis are achieved, and primary bleeding of the postoperative high-position wound surface is well prevented; and on the other hand, a second branch pipe is convenient for postoperative flushing and probing, and hemostatics, therapeutic drugs and the like are convenient to perfuse, and then only the sterile dressing is used, the steriledressing is also detachable, the sterile dressing is adhered to the fixed pants body, and the sterile dressing can be replaced as required.

The invention discloses an emergency transfer trolley for traumatic hemorrhage patients and particularly relates to medical instruments. The emergency transfer trolley comprises a trolley body, a retaining plate is fixedly arranged on one side of the trolley body, and a first slide plate and a second slide plate are slidably arranged on one side, opposite to the retaining plate, of the trolley body. Correspondingly, the trolley body is provided with a first slide groove allowing the first slide plate to slide and a second slide groove allowing the second slide plate to slide. The second slideplate is positioned on one side, opposite to the retaining plate, of the first slide plate. A first arc air bag is fixed to one end, facing the retaining plate, of the first slide plate. A first fixing part is arranged at one end, opposite to the first slide plate, of the first arc air bag. A second arc air bag is fixed to one end, facing the retaining plate, of the second slide plate. A second fixing part is arranged at one end, opposite to the second slide plate, of the second arc air bag. A heating device is arranged on the trolley body. The emergency transfer trolley has advantages of hemostasis by compression and convenience in transferring.

The invention relates to the field of traditional Chinese medicine, in particular to a traditional Chinese medicine composition for a medical catheter. The traditional Chinese medicine composition forthe medical catheter comprises officinal magnolia bark extract, taiwan beautyberry leaf extract, dyers woad leaf extract and baical skullcap root extract. The traditional Chinese medicine compositionfor the medical catheter of the invention has the functions of resisting bacteria, inhibiting bacteria, stop bleeding, relieving inflammation, calming mind and relieving pain, and is applied to a prostatic expanding cracking catheter. Compared with catheters in the current market, the catheter of the invention not only ensures the expanding cracking effect, but also has an effect of hemostasis with compression, relieves the compression on external sphincter, does not excessively damage the external sphincter, and prevents urinary incontinence and major bleeding. In addition, the catheter of the present invention can effectively avoid the damage that blood coagulates during surgery to generate thrombus cuased by the addition of foreign materials, and the tolerance of the size of a water bladder after free expansion and in a natural state is not large, thereby relieving the pain of the patient during the surgery.

The invention discloses a water-injectable balloon under a bronchoscope. The water-injectable balloon comprises a guide wire tube, a water injection pipeline and a balloon body, wherein the balloon body is of an annular hollow structure, the guide wire tube is arranged on the balloon body, a tube cavity allowing a guide wire to penetrate through is formed in the guide wire tube, and the water injection pipeline is arranged on the balloon body and communicates with a water injection cavity in the balloon body. The water-injectable balloon under the bronchoscope has the technical effects that the balloon body is opened like a tire after being stuffed with water, a central cavity can supply oxygen besides compression hemostasis of bleeding of the side wall of a trachea and a bleeding airway of a main bronchus, the compression hemostasis effect is achieved, and besides, oxygen supply can be guaranteed. The bronchoscope can be placed in the central cavity to observe the bleeding condition,and the water-injectable balloon is suitable for compression bleeding of large airways of tracheas, left and right main bronchi and the like.

The invention relates to the field of medical instruments for prostate dilatation surgery, in particular to a transurethral prostatic dilatation catheter and method thereof. A TPU material is a hyperbranched polyurethane material. Compared with catheters in the current market, the prostatic dilatation catheter has the advantages that positioning of the catheter is more accurate and convenient, thecatheter can be kept fixed after the prostate is dilated, the dilatation effect is ensured, the hemostasis effect based on compression is achieved, the compression of the external sphincter is relieved, and the external sphincter cannot be excessively damaged, so that urinary incontinence and massive hemorrhage are prevented. In addition, the catheter can effectively avoid the situation that blood coagulation is caused in surgery due to the addition of foreign materials and correspondingly results in danger of thrombus. Moreover, the size of a water bag in a freely expanded state is almost the same as that in a natural state, so that the pain of a patient is relieved in a surgery process.

The invention discloses a multipurpose chest adhesion separation device and a separation method, relates to the technical field of medical instruments, and aims to solve the problems of long separation operation time and incomplete separation when adhesion is separated by using common biopsy forceps. The separating device comprises an intubation tube and an operating rod, the two ends of the intubation tube are an inserting part and an operating part respectively, biopsy forceps are movably installed on the inserting part, one end of the operating rod extends into the operating part of the intubation tube, and a driving unit for driving the biopsy forceps to be closed is arranged between one end of the operating rod and the biopsy forceps. The outer wall of the insertion part is wrapped with a separation air bag, the separation air bag is connected with a connector through a separation air pipe, a plug is detachably installed on the connector, and during use, the plug is detached to inflate the connector so as to inflate the separation air bag. Efficient separation of pleural adhesion is achieved through cooperation of expansion of the separation air bag and shearing of the biopsy forceps. And irregular tumors in the airway can be cut off, and pathological tissues can be obtained.

The invention relates to the field of medical equipment for dilatation of the prostate, in particular to a novel catheter for dilation of the prostate. A novel prostatic fissure catheter is provided with a catheterization cavity, a flushing cavity, and a high-pressure water bladder cavity. Compared with the catheters currently on the market, the prostate expansion catheter described in the present invention is more accurate and convenient in positioning, and can be kept fixed after the prostate is expanded to ensure the expansion effect, play the role of compression and hemostasis, and relieve the compression of the external sphincter , will not excessively damage the external sphincter, and prevent urinary incontinence and hemorrhage; in addition, the catheter of the present invention can effectively avoid blood coagulation during the operation due to the addition of foreign materials, resulting in the danger of thrombus, and the water bladder can be expanded freely and naturally The tolerance of the size in the state is not large, so that the pain of the patient is reduced during the operation.

This invention discloses a subsurface injection acus for scope thyroid operation, whose structure is: acus body is tubular shaped; and its front end is a blunt-pointed dead end, whose neighboring sidewall has no less than one delivery orifice; its tail is a inlet orifice, whose front side has a valve. This subsurface injection acus is one of applicable and valid surgical instruments that used to build subsurface channel. It has simple structure and is easy to handle. It can effectively heighten operation safety and shorten operation period.