30results about How to "Protect blood supply" patented technology

The invention relates to a trace slide type unstressed shielding steel plate, in particular to a fixing steel plate for fracture treatment, which is characterized in that a plate body is orderly provided with a near end tack hole, a plurality of intermediate tack holes and a far end tack hole, wherein the through holes of the intermediate tack hole and the far end tack hole are used for placing bolts; a removable slide lock is arranged in the near end tack hole; and the through holes on the slide lock are used for placing the bolts. In the invention, the bolts of the intermediate tack hole are arranged in a removable mode; the near end tack hole is provided with a slide block; the far end tack hole is provided with an inclined slop; and the slide block and the inclined slop can pressurize the fracture end. The trace slide type unstressed shielding steel plate has the following beneficial effects: (1) having no stress shielding problem, healing under stress, and reducing secondary fracture after being taken; (2) eliminating residual gap of the fracture end after absorbing; (3) ensuring that the fracture end is only pressurized without separation; (4) enabling the fracture end to fret so as to prompt the fracture to heal; (5) ensuring the axial stress stimulation on the fracture end so as to promote fracture healing; and (6) adopting inner surface point type contact which is beneficial to blood supply protection so as to promote the fracture healing.

The invention relates to a novel bone fracture plate which comprises a bone fracture plate body and a screw. The novel bone fracture plate is characterized in that one of the surfaces of the bone fracture plate stretches across the two sides of a bone fracture line; at least two supporting columns are arranged on each side of one of the surfaces of the bone fracture plate; a screw hole is formed in the bone fracture plate body; the screw is inserted into the screw hole from the other side of the bone fracture plate, passes through the supporting columns and finally enters a cortical bone to complete bone fracture fixation; or the two adjacent supporting columns are fixedly connected with the bone fracture plate body on the two sides of the screw hole; the screw directly enters the cortical bone to complete bone fracture fixation after being inserted into the screw hole from the other side of the bone fracture plate body. Compared with the prior art, the novel bone fracture plate provided by the invention has the advantages that the damage caused by regular operation to blood supply for a bone fracture segment can be avoided, so that bone fracture healing is facilitated; 'inner fixation' is not needed to be taken through operation in the second-time hospitalization, so that the hospitalization expense can be effectively reduced.

The invention discloses a multidirectional locking intramedullary interlocking nail, and belongs to medical apparatuses and instruments. The far end of a main nail is provided with a front-back direction lock pin straight-passing lock nail hole A, an internal-external direction lock pin internal and external transverse pass lock nail hole B, and two internal-external direction internal and external transverse pass or 45-degree internal and external inclined pass lock nail holes C, the near end of the main nail is provided with a front-back direction lock nail front-back straight pass lock nail hole A, two 90-degree intersection, two 90-degree intersection lock nail front-internal, front-external to back-external and back-internal transverse pass lock nail holes D, two internal-external direction internal-external transverse pass or 45-degree internal-external inclined pass lock nail holes C and an internal-external direction internal-external transverse pass lock nail hole B. The multidirectional locking intramedullary interlocking nail has the advantages that the stability of the angle between the main nail and the lock nail is stronger; the near end and the far end have multidirectional locking; the high-thread cancellous bone lock pin has the surrounding, extrusion and fixing effect on a fracture of distal radius.

The invention discloses a clavicle fracture percutaneous reduction distraction pressurization fixing device which comprises a reduction fixing plate arranged on the body surface and matched with the physiological curvature of a clavicle, an arc-shaped sliding groove is formed in the reduction fixing plate, a plurality of screw assemblies are connected in the arc-shaped sliding groove, and each screw assembly comprises a screw body and a locking nut. The screw body comprises an upper screw rod part, a lower screw rod part and a step part located between the upper screw rod part and the lower screw rod part, and the locking nut is connected to the upper screw rod part in a matched and screwed mode and matched with the step part to lock the screw body to the reset fixing plate. An expanding, pressurizing and fine-adjusting mechanism which is positioned outside the body and is adjustable in length is connected between the two adjacent screw assemblies close to the fracture end. When the device is used, only several small incisions need to be formed in the two ends of the fracture of the clavicle, and several screw assemblies locked into the clavicle are placed in the small incisions. According to the instrument, minimally invasive surgery is well achieved, periosteum stripping can be reduced through percutaneous body surface external fixation, blood supply is protected, and fracture nonunion is reduced.

The invention discloses a tibia far-end front outer side bone fracture plate which comprises a bone fracture plate body, the bone fracture plate body comprises a bone fracture plate near end and a bone fracture plate far end, the whole bone fracture plate body is in an L shape, the bone fracture plate far end is divided into a bent section and an inclined plane connecting section, the bent section is provided with a far end locking hole and a far end kirschner wire hole. A plurality of far-end lower locking holes and far-end lower kirschner wire holes are formed in the inclined plane connecting section, a sliding hole is formed in the left end of the bone fracture plate near end, a near-end kirschner wire hole is formed in the right end of the bone fracture plate near end, a plurality of near-end middle locking holes, a sliding hole I and a near-end locking hole are sequentially formed between the near-end kirschner wire hole and the sliding hole. The near-end middle locking holes are arranged. A near-end middle Kirschner wire hole is formed between every two adjacent near-end middle locking holes. The curvature radius of the far end of the bone fracture plate is determined according to ankle joint data of Chinese people, the situation that the inner side of the far end of an existing bone fracture plate tilts due to the fact that the curvature radius is too large is avoided, and complications such as conscious discomfort or soft tissue irritation of postoperative patients are reduced.

The invention provides a nail-stick system used for treating femoral fracture postoperation refractures of children. The nail-stick system comprises a round stick, a connecting block and a screw; the connecting block comprises a block body; the block body comprises two connected hinge sheets; one hinge sheet is provided with a stick hole; the other hinge sheet is provided with a nail hole; when the two hinge sheets are combined together, a cavity is formed in the connecting position of the two hinge sheets; the round stick passes through the cavity to be connected with the connecting block; the screw sequentially passes through the stick hole and the nail hole to be fixed to the bone. According to the nail-stick system, multi-plane fracture fixation and fracture end blood supply protection can be achieved. According to the nail-stick system, minimally invasive operation is achieved; local injuries are small; fractures of the children do not insist on anatomical reduction; fracture healing is facilitated; the fracture stabilization is facilitated through multi-shaft locking; compared with an intramedullary nail, the nail-stick system has the advantages that the epiphysis is not injured, and the skeletal development is not influenced; the nail-stick system is particularly suitable for an repairing operation after fixing of an external fixator and a steel plate loses efficacy.

The invention discloses mold manufacturing assisting equipment. The mold manufacturing assisting equipment comprises a left glove, a right glove and a connecting line. The left glove and the right glove are connected by the connecting line. Heating pieces are arranged on palm portions in the left glove and the right glove. A USB connector is mounted at the bottom of the right glove. The heating pieces are connected by wires. A mobile power source is connected by the USB connector to heat the heating pieces in the gloves, and therefore the temperature of the gloves is increased, convenience isprovided, and hand blood supply is effectively protected.

The invention provides a fixation device beneficial to the fixation and healing of patella fracture, and belongs to the technical field of medical instruments in the orthopedics department. The device is used for patella fixation after fracture. According to the technical scheme, the device is characterized in that the rear portion of a needle body of a fixation needle is provided with a limiting bulge, the portion, below the limiting bulge, of the needle body is provided with a groove, the groove is opposite to the limiting bulge, the groove is in a semi-arc shape, the diameter of the circular arc of the groove is matched with the diameter of a steel wire, and the portion, on the rear portion of the groove, of the needle body is provided with a breaking groove; a wire feeding plate is a long strip-type plate, the portion, in the length direction of the plate surface, of the wire feeding plate is in a curved arc shape, the curvature of the arc shape is matched with that of the upper surface of a patella, a push rod is connected with the rear end of the wire feeding plate, the rear end of the push rod is connected with a hand shank, a steel wire hole is formed in the rod body of the push rod, the lower bottom surface of the wire feeding plate is provided with a wire feeding groove in the length direction of the wire feeding plate, and the steel wire hole of the push rod is opposite to the wire feeding groove. The device is firstly provided for minimally invasive fixation of patella fracture and has the advantages of being simple in structure, convenient to operate and good in fixation effect, avoiding damage and being beneficial to fracture healing.

The invention relates to the technical field of medicines, in particular to an injection for nourishing myocardium. The injection for nourishing the myocardium is a high-efficiency formula comprising adenosine, atrial natriuretic factor, Shuxuening, coenzyme A and vitamin B12 in a certain amount and proportion. Through injecting the injection into a human body, under the cooperation of the adenosine and the atrial natriuretic factor, impaired myocardium can be repaired, energy is provided for the myocardium; the blood supply of the myocardium is protected; myocardial cells are nourished; the blood supply of the myocardium is increased; and the far-end ischemic myocardium is protected. The injection for nourishing the myocardium can be used for preventing and improving ischemic heart diseases, avoiding and preventing the myocardial damage of the ischemic heart diseases and effectively taking a good health-care treatment effect on the ischemic heart diseases.

The invention relates to a shoulder joint dynamic and static combined regulation external fixator, comprising a bone external fixation support, a steel needle fixation clamp connected to the bone external fixation support, and a steel needle clamped in the steel needle fixation clamp, wherein the bone external fixation support comprises a near end hole C-shaped ring and a far end hole C-shaped ring, and the opening directions of the near end hole C-shaped ring and the far end hole C-shaped ring are the same, the near end hole C-shaped ring and the far end hole C-shaped ring are uniformly provided with a plurality of holes, the middle parts of the near end hole C-shaped ring and the far end hole C-shaped ring are connected by an arc-shaped connecting rod, the two ends of the near end hole C-shaped ring and the far end hole C-shaped ring are connected by dynamic traction joint devices, each dynamic traction joint device comprises a first joint connecting piece connected with the hole at the end part of the near end hole C-shaped ring and a second joint connecting piece connected with the corresponding hole in the far end hole C-shaped ring, and the first joint connecting piece and the second joint connecting piece are connected by a central spindle and can swing relative to the central spindle. The fixator is flexible in operation, the curative effect is improved, and the complications of proximal humeral fracture of shoulder joints are reduced.

The invention discloses a tibia far-end inner-side bone fracture plate which comprises a bone fracture plate body, the bone fracture plate body is divided into a bone fracture plate near end and a bone fracture plate far end, the two sides of the bone fracture plate far end are bent inwards, and the bone fracture plate near end is sequentially provided with a near-end kirschner wire hole, a near-end locking hole, a near-end sliding hole, a near-end lower locking hole and a near-end sliding hole I from right to left; A plurality of near-end lower locking holes is arranged. Near-end lower kirschner wire holes are formed between the adjacent near-end lower locking holes, a far-end locking hole, a far-end kirschner wire hole, a far-end upper locking hole, a far-end upper kirschner wire hole and a far-end lower locking hole are sequentially formed in the bone fracture plate far end from right to left, and the far-end lower locking hole is distributed in an annular structure. A far-end middle locking hole is formed in the middle of the annular structure, and far-end lower kirschner wire holes are formed in the periphery of the far-end lower locking hole. The near end and the right end of the bone fracture plate are designed to be inclined surfaces, so that the bone fracture plate can be conveniently inserted, an operator can operate conveniently, and soft tissue injury is reduced.

The invention discloses a posterior ankle bone fracture plate which comprises a bone fracture plate body; the bone fracture plate body is divided into a near-end bone fracture plate and a far-end bone fracture plate, the far-end bone fracture plate is of an arc-shaped structure and extends towards curves on the two sides, and the near-end bone fracture plate and the far-end bone fracture plate are in smooth transition connection; near-end kirschner wire holes, near-end locking holes, sliding holes, near-end locking holes I and sliding holes I are sequentially formed in the middle of the near-end bone fracture plate from top to bottom, the near-end kirschner wire holes I are formed between the adjacent near-end locking holes I; a far-end upper locking hole is formed in the middle of the upper end of the far-end bone fracture plate, and far-end locking holes are formed in the periphery of the far-end bone fracture plate; and a far-end kirschner wire hole is formed between every two adjacent far-end locking holes, and the locking hole angle of the far-end locking holes and the locking hole angle of the far-end upper locking hole are in the tangential direction of the highest point of the tibia far-end articular surface in the ankle joint. The far end of the bone fracture plate extends towards the curved surfaces on the two sides, six locking holes are relatively and uniformly distributed, and the bone fracture plate can be suitable for simple and complex posterior ankle fractures.

The invention discloses a traditional Chinese medicine composition for preventing and treating hypopsia, a preparation and a preparation method, belongs to the technical field of traditional Chinese medicine compositions and preparations, and particularly relates to the traditional Chinese medicine composition for preventing and treating hypopsia. The traditional Chinese medicine composition aims at solving the problem that no specific medicine exists for hypopsia at present. The traditional Chinese medicine composition is prepared from, by weight, 5-150 parts of fingered citron, 3-120 parts of pachyrhizua angulatus, 3-120 parts of radix polygonati officinalis, 3-100 parts of roses and 3-100 parts of rhizoma polygonati. The composition can soothe the liver, regulate Qi, nourish Yin, dredge collaterals, activate blood and improve eyesight, and the purposes of preventing and treating hypopsia are achieved by reducing blood viscosity, promoting blood circulation, softening blood vessels, resisting oxidation, reducing blood glucose, blood fat and blood pressure and the like, improving eye blood circulation, increasing eye nutrition, protecting retinal epithelial cells and the like.