122 results about "Hemostatic forceps" patented technology

A hemostatic forceps (20) includes a pair of forceps elements (forceps cups (1)) constituted of a conductive metal and configured to serve as high-frequency electrodes and configured to be able to change into a state where front portions of the pair of forceps cups (1) are open, and a state where the pair of forceps cups (1) are close. A sawtooth portion (15) having a plurality of concavo-convex structures which constitute a sawtooth-shape is provided on at least one of respective closing-side surfaces (17) of the pair of forceps cups (1). The sawtooth portion (15) is provided with an electrically insulative coating over its bottom portion (21), but not on a top portion (22) thereof, and hence the top portion (22) is conductive.

The invention relates to a biodegradable stent composite material and a preparation method thereof. The degradable material has a multi-gradient composite structure, and comprises a matrix made of a medical metal or an alloy thereof, a chemical coupling layer attached to the surface of the matrix, a high polymer transition layer attached to the surface of the chemical coupling layer and a degradable high polymer functional layer fixed on the surface of the high polymer transition layer. The stent composite material has high mechanical property, degradation property and biocompatibility, also can absorb and carry needed therapeutic medicaments, and meets the requirement on clinical treatment. The degradable composite material can be used as stent materials of esophagi, biliary ducts, intestinal tracts, urethrae, tracheae and other non-vessel lumens and blood vessels, and also can be used for manufacturing artificial bones, bone nails, bone connectors, bone sutures, anchors for suture, intervertebral discs, hemostatic clamps, hemostatic forceps, hemostatic plates, hemostatic screws, tissue adhesives, sealants and other medical devices and products.

The invention relates to a repeating clamp applier, which comprises a pushing handle, a pipe rod, a clamp head arranged at the front end of the pipe rod, a push-pull rod driven by the pushing handle,a feeding device and a material storage cabin, wherein the material storage cabin is provided with a front end which is movably connected with the clamp head and a rear end opposite to the front end,one end of the push-pull rod is connected with the pushing handle, the other end of the push-pull rod is connected with the rear end of the material storage cabin and acts on the material storage cabin to make the clamp head open or clamp, the feeding device comprises a transmission piece and a driving piece for driving the transmission part to move, a plurality of clamps for clamping blood vessels are arranged in the material storage cabin, the transmission piece extends into the material storage cabin to push the clamp into the clamp head. According to the invention, the repeating clamp applier can simultaneously perform feeding and clamping of multiple or continuous hemostatic clamps, does not need to take out the hemostatic forceps to reload the clamps in vitro, can carry out hemostasis accurately and quickly on multiple blood vessels in time, is simple and convenient to operate, saves the operation time, improves the operation efficiency and quality, the operation risk is reduced,the pain of the patient is greatly reduced, the recovery is fast after operation, and high precision can be maintained.

A hemostatic forceps (20) is provided with a pair of forceps prongs (forceps cups (1)) consisting of electrically conductive metal and serving as high-frequency electrodes, and the pair of forceps prongs extend forward so as to be able to be opened and closed relative to each other. Either one and/or the other of facing closing surfaces (17) of the forceps cups (1) has formed thereon sawtooth-like protrusions and recesses (15). In the sawtooth-like protrusions and recesses (15), the roots (21) are subjected to electrically insulative coating and the crests (22) are not subjected to electrically insulative coating but are electrically conductive.

The invention relates to the technical field of medical instruments, in particular to a pair of general surgery department surgical hemostatic forceps. The forceps comprise two forcep arms which are hinged to each other through a connection shaft. The tail of each forcep arm is provided with a handle and a locking tooth, the head of each forcep arm is provided with a forcep head, the clamping portion of one forcep head is provided with a blood drainage device which comprises a clamping mat, and a plurality of drainage holes are formed in the outer surface of the clamping mat, and the drainage holes are communicated with the outside through a blood drainage catheter. According to the general surgery department surgical hemostatic forceps, blood flowing out from the clamping point can be suctioned out by a suction pipe through the blood drainage catheter, alternating use of the hemostatic forceps and a sucking device is not needed in an operation, operation time is reduced, and work efficiency is improved.

The invention discloses a clamping force control oriented method for measuring the jaw clamping force of atraumatic hemostatic forceps. The method comprises the following steps: 1, preparing a check bar to be detected; 2, determining the relationship between the jaw gap and the engagement number of buckles at the tail end of a forceps handle; 3, primarily adjusting the jaw positioning and force measuring mechanism of an atraumatic hemostatic forceps jaw clamping force measurement device; 4, adjusting a jaw hinge hole positioning mechanism of the measuring device and positioning the jaw hinge hole; and 5, adjusting a finger ring force application and positioning mechanism of the measuring device, fine tuning the jaw positioning and force measuring mechanism of the measuring device, and reading positive pressure data of the jaw. By adopting the method, the jaw clamping force of the mature atraumatic hemostatic forceps of various types can be accurately measured, and the measurement dataare provided to clinical doctors, so that the doctors can reasonably control the jaw clamping force of the atraumatic hemostatic forceps in surgery.

The invention discloses hemostatic forceps with sterilizing and cleaning functions. The hemostatic forceps comprise a cylinder body, a liquid outlet, a needle head, an injection plug, a push rod, a push plate and rear end plates, wherein head ends of two arc-shaped forcep arms are forcep heads; tail ends of the two arc-shaped forcep arms are hinged to the head end of the cylinder body by rotatingshafts; positioning plates and a control display panel are arranged on the outer side of the cylinder body; the tail end of an electric telescopic rod is hinged to the corresponding positioning plateby a rotating shaft; the head ends of the electric telescopic rods are hinged to the arc-shaped forcep arms by the rotating shafts; the electric telescopic rods are connected with the control displaypanel; a return spring is arranged between the inner sides of the two arc-shaped forcep arms; the positions between the two forcep heads correspond to each other. The hemostatic forceps disclosed by the invention can be used in a smaller space, accurately controls the clamping strength for hemostasis and can be used for cleaning and sterilizing a wound.

The invention discloses a pair of hemostatic forceps which comprises a first forceps body, a second forceps body, a first forceps handle and a second forceps handle, wherein the first forceps body comprises a first clamping part and a first connecting arm which are integrally formed; the second forceps body is hinged to the first forceps body and comprises a second clamping part and a second connecting arm which are integrally formed; the second clamping part is matched with the first clamping part to form a forceps head part for clamping a blood vessel; the first forceps handle comprises a first adjusting handle and a first holding part which are integrally formed, and the first forceps handle is connected with the first forceps body through the first adjusting handle; the second forceps handle comprises a second adjusting handle and a second holding part which are integrally formed, and the second forceps handle is connected with the second forceps body through the second adjusting handle. The length of the pair of hemostatic forceps can be adjusted according to actual requirements of an operation, and the pair of hemostatic forceps has the advantages of being simple in structure and convenient to use.

A minimally invasive hemostat that is easy to disassemble and assemble, it includes a fixed handle and a moving handle, the moving handle is driven and connected to one end of a wire rope extending into the fixed handle through a transmission connecting piece, and the other end of the wire rope is connected to the fixed handle in rotation. The moving tongs on the pliers are driven and connected; the wire rope is connected to the sliding connection wire rope connecting rod located in the fixed handle, the pull rod pin at one end of the transmission connecting piece is clamped on the wire rope connecting rod, the other end of the driving connecting piece is rotationally connected with the moving handle, and the transmission A torsion spring is arranged between the connecting piece and the moving handle so that the pull rod pin clamps the connecting rod of the wire rope. The invention is easy to disassemble and clean, simple to operate, and not cumbersome. It can be equipped with different types of jaws on one handle to meet the needs of medical staff, and achieves the multi-purpose function of one handle. It can also be disassembled to make instrument cleaning more thorough. , At the same time, it can also make it easier for medical staff to use, the clamping force adjustment is reliable and accurate, and the control is flexible, which improves the efficiency of minimally invasive surgery.

The invention discloses a pair of hemostatic forceps with a detachable forceps head, comprising two handles which are in cross connection through a bolt, wherein a handle fixing clamp is arranged on the opposite side of each handle, a forceps holder is arranged at one end, the detachable forceps head is arranged at one end of the forceps holder in a clamping mode, the occlusal surface of the forceps head is an arc-shaped curved surface, occlusal teeth are arranged on the occlusal surface of the forceps head, a bulge matched with a groove is arranged at one end of the forceps head, and a fixing leaf spring is arranged on the side surface of the bulge. When the pair of hemostatic forceps is detached, the fixing leaf spring is pressed downwards, so that the forceps head can be detached; and when the forceps head is replaced and mounted, the bulge of the forceps head is aligned to the groove so as to be pushed forcibly, so that the forceps head can be replaced and mounted. The occlusal surface of the forceps head is the arc-shaped curved surface, so that damages to blood vessels can be reduced. The pair of hemostatic forceps is simple in structure and convenient to use, the manufacturing cost of the hemostatic forceps can be reduced, and the workload of workers can be reduced.

The invention relates to a java tilapia breeding marking method. The method comprises the following steps of: firstly counting the amount of fish to be marked, and then selecting the corresponding combination for marking according to the amount; secondly when marking, putting the fish flatly on a desk, covering the eyes of the fish by using a towel, and sterilizing the part where a fin ray is pulled out with 75 percent alcohol; thirdly using a scalpel to separate the membrane connected with the fin ray to be pulled out, pressing lightly on the java tilapia with a hand, using hemostatic forceps to hold the fin ray tightly and pull out the fin ray along with the root, and sterilizing the wound at the root of the fin ray with 75 percent alcohol; and finally soaking and sterilizing the markedfish into 2 percent solution of table salt. The method does not affect the normal activity of java tilapia and can meet the demands of large-scale java tilapia breeding marking along with simple operation, low cost, lower extent of damage on the fish body, a mark retention rate of above 98 percent, and an effective recognition rate of 100 percent.

The invention discloses a pair of positioning suture hemostatic forceps, and belongs to medical devices. The pair of positioning suture hemostatic forceps comprises a handle and a clamping head, wherein the handle comprises a handle body I and a handle body II which are movably connected with each other through a rotating shaft and can be closed or opened along the rotating shaft; the clamping head comprises a first clamping head plate body and a second clamping head plate body which are arranged in the way of corresponding to the front ends of the handle body I and the handle body II; the first clamping head plate body and the second clamping head plate body can be driven by the handle body I and the handle body II to close or open; and a blood vessel protection cavity is formed between the two clamping head plate bodies which are closed, and the two clamping head plate bodies which extend towards on side of the blood vessel protection cavity are in a closed state, a plurality of needle hole openings are arrayed on the two clamping head plate bodies which are closed, and projections are respectively formed on the opposite surfaces of the two clamping head plate bodies on one sides, which are far from the blood vessel protection cavity, of the needle hole openings. According to the positioning suture hemostatic forceps, the blood vessel protection cavity which is arranged through the clamping head, the plurality of needle hole openings and the opposite projections are utilized, so that multiple functions of positioning, bleeding stopping and suturing are realized at the same time, and thus, surgical use requirements are well satisfied.

The invention discloses a piglet small intestine epithelial cell classification and separation method, which includes the following steps: (1) a small intestine section which is 60cm to 90cm long is adopted, 100mL to 150mL of 37 DEG C preheated and oxygenated phosphate buffer is injected into the enteric cavity, both ends are clipped by hemostatic forceps, the small intestine section is then incubated in a 37 DEG C water bath oscillator for 30 minutes, and the speed of oscillation is 70 rotations per minute; (2) the phosphate buffer is removed, 100mL to 150mL of cell separation solution is injected, the small intestine section continues to be incubated in the 37 DEG C water bath oscillator for 2.5 hours, the speed of oscillation is 70 rotations per minute, and the cell separation solution is collected respectively at different time points and new cell separation solution is injected; (3) the collected cell separation solution is centrifuged at 400g under 4 DEG C for ten minutes, the obtained precipitate is intestinal epithelial cells, and the cells which are collected according to the sequence of incubation times are cells of different parts from the villus tip to the crypt bottom in sequence along a recess-villus axis. The cells separated by the invention provide a novel technical method for an in-vivo study on the small intestine epithelial cell differentiation mechanism, the absorption and metabolism of nutrition and the development of drugs for related diseases.

The invention discloses basic medical hemostatic forceps. The hemostatic forceps comprise a thumb ring and a four-finger ring, the thumb loop is connected with one end of a first connecting arm, the four-finger ring is connected with one end of a second connecting arm, the other end of the first connecting arm penetrates through a connecting block and extends to the outside of the connecting blockto be connected to a lower clamping head, and the other end of the second connecting arm penetrates through the connecting block and extends to the outside of the connecting block to be connected with an upper clamping head. The first connecting arm and the second connecting arm are movably connected through a movable shaft, and the connecting block is provided with a controller. After the basicmedical hemostatic forceps are cleaned with a disinfectant, the controller controls an air pump to work, air is pumped into a drying device for heating, the gas is sent out through an air sending pipeafter being heated by a heater to disinfect the upper and lower clamping heads, and the purpose of disinfection and sterilization is achieved. The hemostatic forceps are simple in structure and convenient to operate, a lot of manpower resources are saved, much time is saved, the working efficiency of medical staff is improved, and the applicability is high.

The invention discloses a pair of medical hemostatic forceps. The forceps include a gear, a linkage arm and two movable plates. The two movable plates are each provided with a plane clamping part anda rack, a linkage shaft is arranged on the middle potion of the gear in a penetrating mode, and disks are arranged at both ends of the linkage shaft. A telescopic reset mechanism is arranged between the two movable plates, support rods are arranged on both sides of one of the support rods, and guide tubes are arranged on the support rods. Sliding blocks are slidably connected into the guide tubes,at least two ejector rods are hinged to the sliding blocks, and first springs are arranged between the ejector rods and the sliding blocks. The sliding blocks and the disks are hinged to both ends ofthe linkage arm correspondingly. Hollow balls are detachably connected to the ends, away from the linkage arm, of the guide tubes, through holes communicating with the guide tubes are formed in the hollow balls, rubber nozzles are arranged on the through holes, and tapered holes are formed in the rubber nozzles. A plurality of exhaust holes facing the plane clamping parts are formed in the hollowballs. The medical hemostatic forceps mainly solves the problem that pain is caused to patients due to the fact that damage to muscle tissue surrounding blood vessels is caused by hemostatic forcepscurrently.

The invention discloses a multifunctional endoscopic minimally invasive hoe scaler, which comprises a catheter, hemostatic forceps, a hoe scaler, an operating handle, an operation control device and an online physiological monitoring device, and is characterized in that: the head part of the catheter is connected with the hemostatic forceps, and the tail part of the catheter is connected with the operating handle in a matching way; the hemostatic forceps consist of two halves of bullet-shaped hollow forceps heads which can be opened and closed; the hoe scaler is a plasma hoe scaler; the operating handle is provided with a hemostatic forceps push ring capable of moving forward and backward and a hoe scaler control handle; the operation control device comprises a hemostatic forceps operation control device and a hoe scaler operation control device; and the online physiological monitoring device comprises an electric physiological catheter probe and a signal layer formed by winding three electric physiological catheter probe connecting leads. According to the minimally invasive hoe scaler, the defects of the conventional digestive canal tumor treatment are overcome, the scaler and the hemostatic forceps are combined, the minimally invasive hoe scaler has the functions of biopsy forceps, incision and hemostatic forceps after being electrified, convenience is brought to examination, incision and timely hemostasis, and the complications of hemorrhage are reduced.

The invention provides a pair of hemostatic forceps. The hemostatic forceps comprise a left forcep handle, a right forcep handle and two forcep heads. A rotary shaft is arranged in the middle of the left forcep handle, a rotary hole is formed in the right forcep handle, and the rotary shaft is rotationally arranged in the rotary hole. A first connecting part and a second connecting part are arranged on the inner surface of the left forcep handle and the inner surface of the right forcep handle respectively. The two forcep heads are arranged at the front end of the left forcep handle and the front end of the right forcep handle respectively, and containing grooves and gauze located on the top faces of the containing grooves are arranged on the forcep heads. The containing grooves are formed in the inner surfaces of the forcep heads and formed in the length direction of the forcep heads, and cotton slivers are arranged in the containing grooves. Wiping layers made of alcohol cotton are fixedly arranged on the outer surfaces of the forcep heads. The structure is simple, wound liquid can be simply cleaned through the arrangement of the wiping layers and the cotton slivers, meanwhile, during use, the liquid can be absorbed through the cotton slivers, the problem that forcep heads and blood vessels are not tightly clamped due to excessively high moisture content is solved, use is convenient, the complexity of preoperative cleaning is lowered, and precious time can be provided for rescue greatly.

The invention discloses a hemostatic forceps for gynecology and obstetrics. The forceps comprise two mutually hinged forceps handles. Two opposite sides of the two forceps handles are both provided with cushion blocks. A return spring is fixed between the two cushion blocks. One side of each forceps handle is fixed to a forceps arm. The end away from the forceps handle, of the forceps arm is provided with a second forceps head. One end of the second forceps head is fixedly provided with a fixing ball. A first forceps head is arranged on each second forceps head in a sleeving mode. Limit holes are formed in one side of the first forceps heads. A through hole corresponding to each limit hole is formed in the second forceps head. A locking device is arranged in the limit hole, and penetrates through the limit hole to extend into the through hole. Two opposite sides of the two first forceps heads are both provided with serrated clamping blocks. According to the hemostatic forceps for gynecology and obstetrics, the first forceps heads and the second forceps heads are connected in a detachable mode, and therefore the clamping of different articles during a surgical operation is convenient, the application in the surgical operation is highly convenient. The arrangement of lighting equipment is applicable to the condition of bad illumination, the operation is convenient, and the forceps are suitable to be popularized.

The invention relates to the technical field of medical equipment, in particular to a pair of surgical hemostatic forceps for a general surgery department. The pair of surgical hemostatic forceps comprises a first forceps arm and a second forceps arm. The first forceps arm and the second forceps arm are crossed, the corresponding positions of the crossed positions are each provided with a pin hole, the pin holes are connected through a pin shaft, the top end of the first forceps arm is vertically upward to be integrally connected with a first forceps head, the top end of the second forceps armis vertically upward to be integrally connected with a second forceps head, the bottom ends of the first forceps arm and the second forceps arm are each outwards integrally connected with a bracelet,and a clamping sleeve is internally and fixedly connected to the lower portion of the first forceps arm. The clamping sleeve and a movable loop bar are arranged at the lower portions of the first forceps arm and the second forceps arm respectively, an inclined limiting block is movably arranged inside the clamping sleeve, a first rack is arranged below the movable loop bar, a second rack is arranged above the limiting block, the hands of a medical worker can be relaxed, and the working intensity is lowered.

The invention discloses an endoscopic minimally invasive hoe scaler, comprising a catheter, hemostatic forceps, an operating grip and an operation control device. The endoscopic minimally invasive hoe scaler is characterized in that a head of the catheter is connected with the hemostatic forceps while a tail of the catheter is matched connection with the operating grip; the hemostatic forceps are composed of a subwarhead-shaped hollow binding clip of which two halves are closed and opened correspondingly; the hoe scaler is a plasma hoe scaler formed by a steel wire structure, and extends into a linked tube of the hemostatic forceps; the operating grip is provided with a hemostatic forceps push ring and a hoe scaler control grip capable of moving back and forth; and the operation control device comprises a hemostatic forceps operation control device and a hoe scaler operation control device. The endoscopic minimally invasive hoe scaler solves the defects in the prior treatment on digestive tumor, and comprises both the hoe scaler and the hemostatic forceps, so that cockamamie operations of repeatedly changing a plurality of prior instruments in the world at present are avoided; and after being powered on, the endoscopic minimally invasive hoe scaler has the functions of the biopsy forceps and the hemostatic forceps, and the function of incision, so that the detection, the incision and the haemostasis in time can be convenient, and the complications of bleeding can be reduced.

The invention provides a medicinal scraping trimmer. The trimmer comprises a handle, and a forked seat and a cutter frame which are integrated at the front end of the handle, wherein the cutter frame is arranged on the forked seat or a U-shaped seat through a rotating shaft; the lower end of the cutter frame is provided with a blade groove; blades are arranged in the blade groove; the cutter frame is provided with clamps; the forked seat is provided with clamp grooves matched with the clamps; the cutter frame is positioned at the tail of the forked seat and is provided with a cutter handle for rotating the cutter frame; and the tail of the cutter handle is contacted with an inner side at the bottom of the forked seat. After the structure is adopted and when the blades are arranged, the cutter handle is lifted and turned over upwards and forwards to expose the blade grooves for placing the blades conveniently; the blades are clamped by hemostatic forceps or needle-holding forceps to be inserted into the blade groove; the cutter handle is turned over backwards and pressed downward to make the cutter frame reset; and the cutter handle is blocked at the bottom of the forked seat (or the U-shaped seat) to lock the blades. After the blades are arranged, an operation can be started.

The invention discloses a curved hemostatic forceps for conveniently placing an intrathoracic drain. The curved hemostatic forceps conveniently guides the intrathoracic drain into the thoracic cavitysmoothly, avoids excessive force or repeatedly using the hemostatic forceps for exploration, alleviates the sufferings of patients, and improves operation efficiency. The hemostatic forceps consists of grip rings, a buckle, a forceps handle, an axial ring and forceps leaves. Alveolus bed surfaces of two forceps leaves are provided with symmetrical concave surfaces, the concave surfaces are of semiellipse shape along cross sections of the forceps leaves, the concave surfaces of the two forceps leaves form a tubular structure with the cross section of oval shape when the hemostatic forceps is closed, and a tubular head is of conical shape and points at the front end of the forceps leaves; in such a way, a clamped cylindrical intrathoracic drain can slightly deform, which is favorable for exact clamping. Insection at other part of the alveolus bed is transverse insection, and insection at the concave surfaces part is vertical insection along vertical axis of the forceps leaves, which caneffectively clamp the intrathoracic drain tightly, and does not coarsen and damage the smooth surface of the intrathoracic drain. The head of the forceps can support the chest-wall muscular layer andparietal pleura, guide the orifice of the intrathoracid drain clamped by the forceps leaves into the thoracic cavity smoothly, and then the forceps is loosened, and leaves the thoracic cavity. The conical head part of the tubular structure can exactly clamp intrathoracic drains of different diameters, and avoid bringing out the intrathoracic drains when the hemostatic forceps is removed.

The invention discloses a pair of rapid and efficient small vessel hemostatic forceps convenient to use. The pair of hemostatic forceps comprises an upper splint and a lower splint. A handheld mechanism is arranged behind the upper splint and the lower splint. The handheld mechanism is provided with stretchable extending rods, an oval finger hole, a rubber anti-skid pad and an auxiliary rod; an auxiliary fixing mechanism is arranged between the stretchable extending rods, the auxiliary fixing mechanism is provided with a small fixing permanent magnet, a small supporting table, a threaded hole,a double-screw bolt, a small containing table, a small powerful permanent magnet, a small rotary rod and a rubber pad, an extending mechanism is arranged in the front of the upper and lower splints,the extending mechanism is provided with a small fixing table, a rectangular clamping groove, a rectangular card, a connecting plate, a chuck and a micro stretchable contact, a camera shooting mechanism is arranged on the upper and lower splints, and the camera shooting mechanism is provided with a pinhole camera body, a photographing lens, a battery hole, a micro rechargeable battery, a battery stop cover, a memory card, a starting switch, a supporting table, a capacitance display screen, an electricity plug and an electricity socket. The pair of hemostatic forceps has the advantages of beingsimple in structure and high in practicability.

The invention discloses hemostatic forceps for avoiding being left in a patient body. A control device comprises a control module which is used for sending alarm signals through a wireless communication module when the temperature and the luminance detected by a temperature sensor and a photosensitive sensor are lower than threshold values; the control module is further used for switching off the temperature sensor, the photosensitive sensor, a second pressure sensor and the wireless communication module when pressure signals detected by a first pressure sensor are higher than threshold values; the control module is further used for switching on the temperature sensor, the photosensitive sensor, the second pressure sensor and the wireless communication module when the pressure signals detected by the first pressure sensor are lower than the threshold value. According to the hemostatic forceps for avoiding being left in the patient body, the above modules are arranged on the hemostatic forceps, real-time monitoring of the hemostatic forceps is achieved, accordingly, when the hemostatic forceps are left in the patient body, doctors can obtain notification in time, so it is avoided that the hemostatic forceps are left in the patient body.