CN112370144B - Fixed pincers of orthopedics - Google Patents
Fixed pincers of orthopedics Download PDFInfo
- Publication number
- CN112370144B CN112370144B CN202011088920.5A CN202011088920A CN112370144B CN 112370144 B CN112370144 B CN 112370144B CN 202011088920 A CN202011088920 A CN 202011088920A CN 112370144 B CN112370144 B CN 112370144B
- Authority
- CN
- China
- Prior art keywords
- inlay
- gear
- fixed
- clamping
- piston cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8866—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices for gripping or pushing bones, e.g. approximators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/282—Jaws
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/2833—Locking means
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Ophthalmology & Optometry (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses orthopedic fixing forceps which comprise a fixing block, and a first inlay and a second inlay which are symmetrically hinged to one side of the fixing block, wherein a first fixing column and a second fixing column penetrate through the first inlay and the second inlay respectively. When the bone clamping device is operated, the surface of the bone is in an arc shape, when two clamping chains are close to each other, the clamping rod of a certain rectangular body fixing block of each clamping chain is firstly contacted with the surface of the bone, and along with the slow approach of the clamping chains, the clamping rod pushes the sliding plug upwards to move the compression spring and drive the liquid in the first piston cavity to be squeezed into the second piston cavity, so that the sliding plug in the second piston cavity moves towards the left side to drive the push rod to move, the push rod moves to push the rectangular body fixing block on the left side of the sliding plug, the rectangular body fixing block rotates around the rectangular body fixing block on the left side of the sliding plug, the clamping chains are clamped in a shape matched with the arc shape of the bone, the stability of clamping is improved, and the slipping is avoided.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an orthopedic fixing clamp.
Background
Short tubular bone fracture of hands and feet often influences the functions of hands and feet due to the occurrence of fracture deformity healing, joint stiffness, tendon adhesion and the like, especially, comminuted fracture has very high requirements on reduction and fixation, non-operative treatment is not easy to reach the reduction requirement, and students often use fixing clamps to fix the fracture part in the treatment process and then nail a reduction needle.
Currently, the common structure of a common fixed clamp includes two sets of clamp arms and a conical clamp claw fixedly arranged at one end of each clamp arm, and the two sets of clamp arms are rotatably connected through a pin shaft. When in use, the two groups of forceps arms are manually controlled, so that the two groups of conical forceps arms are clamped at the wound part.
However, the common fixed clamp in the application process has the following defects and shortcomings: the area of contact of toper claw and bone surface is less for the contact surface of claw is firm inadequately, and the doctor of being not convenient for uses the accurate location of needle that resets and creates the wound portion, and the easy fish tail affected part of toper claw increases patient's sense of pain simultaneously.
Disclosure of Invention
The present invention is directed to an orthopedic fixation clamp that solves the problems set forth above in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the orthopedic fixing forceps comprise a fixing block, a first inlay and a second inlay which are symmetrically hinged to one side of the fixing block, wherein a first fixing column and a second fixing column penetrate through the first inlay and the second inlay respectively, the first fixing column and the second fixing column are fixedly connected with the first inlay and the second inlay respectively, one ends of the first fixing column and the second fixing column are arranged on one side of the fixing block in parallel through bearings, the other ends of the first fixing column and the second fixing column are provided with a first gear and a second gear respectively, and the first gear is meshed with the second gear;
the front ends of the first inlay and the second inlay are hinged with clamping chains, hinged joints of the first inlay and the clamping chains and the second inlay and the clamping chains are located on one side of the first inlay opposite to the second inlay, elastic belts are fixed between one side of the first inlay and the second inlay far away from the hinged joints and the clamping chains, each clamping chain is formed by hinging a plurality of rectangular body fixing blocks, the hinged joints of the adjacent rectangular body fixing blocks are located on one side of the first inlay opposite to the second inlay, elastic belts are arranged between one sides of the adjacent rectangular body fixing blocks far away from the hinged joints, one side of the rectangular body fixing blocks close to the hinged joints is vertically provided with a first piston cavity, a first sliding plug is arranged inside the first piston cavity in a sliding mode, one side of the first sliding plug close to the hinged joints of the rectangular body fixing blocks is vertically provided with a clamping rod, and a first spring is arranged between one side of the first sliding plug far away from the clamping rod and one end of the piston cavity, a piston cavity II communicated with the piston cavity I is vertically arranged on the left side of one end, far away from the clamping rod, of the piston cavity I, a sliding plug II is arranged in the piston cavity II in a sliding mode, and a push rod is vertically arranged on one side, close to the piston cavity II, of the sliding plug II;
one end of the second fixing column penetrates through a fixing block and is fixedly connected with a third gear, one side, close to the fixing block, of the third gear is provided with a first annular friction plate, the fixing block on one side of the first annular friction plate is provided with a second annular friction plate, the first annular friction plate is abutted against the second annular friction plate, one side of the third gear is provided with a locking mechanism, the locking mechanism comprises a fixing cylinder fixed on the side wall of the fixing block, a movable block arranged in the fixing cylinder in a sliding mode, a second spring arranged on one side, far away from the third gear, of the movable block and an inserted rod vertically arranged on one side, close to the third gear, of the movable block, one end of the inserted rod penetrates through the fixing cylinder and extends to the space between teeth of the third gear, and the friction coefficient of the second annular friction plate and the first annular friction plate is larger than the stiffness coefficient of the second spring;
the tail end of inlay one is provided with locking canceling mechanism, locking canceling mechanism sets up two hydraulic pressure section of thick bamboos in both sides about the ring including ring, the symmetry of fixing on inlay one, slides and sets up piston and the perpendicular piston rod that sets up in piston near ring one side in hydraulic pressure section of thick bamboo inside, the free end of piston rod extends to ring inside and is provided with the arc pressing sheet, be provided with the connecting pipe on inlay one of ring one side, and the one end of connecting pipe extends to fixed block one side fixedly connected with hose along setting up inlay one, the one end that the connecting pipe was kept away from to the hose is connected with the solid fixed cylinder that is located between movable block and the gear three, the other end that the ring was kept away from to the hydraulic pressure section of thick bamboo is connected with the connecting pipe through solid fixed pipe.
Preferably, an inner ring is arranged between the two arc pressing sheets, and the inner ring is connected with the finger ring through a rubber connecting column.
Preferably, the tail end of the second inlay is provided with a snap ring.
Preferably, the transmission ratio of the first gear to the second gear is 1: 1.
preferably, the first elastic belt and the second elastic belt are made of silica gel.
Preferably, the movable block is close to the fixed cylinder in the gear III, the connecting pipe and the hydraulic cylinder are internally provided with hydraulic oil.
Preferably, liquid is arranged inside the first piston cavity and the second piston cavity.
Compared with the prior art, the invention has the beneficial effects that:
(1) one end of a second fixing column penetrates through a fixing block to be fixedly connected with a third gear, one side of the third gear is provided with a locking mechanism, and the tail end of a first inlay is provided with a locking and unlocking mechanism, when the medical staff uses the medical staff, the medical staff can operate the medical staff by one hand, the use is convenient, the operation time is saved, namely, a thumb is inserted into an inner ring, other four fingers are inserted into snap rings, when the first inlay and the first inlay are required to be opened, an inserted rod of the locking and unlocking mechanism is positioned between teeth of the third gear, the thumb and the four fingers are locked, and force is slowly applied by the thumb and the first annular friction plate, because the friction coefficient of the second annular friction plate and the first annular friction plate is larger than the stiffness coefficient of a second spring, when the force reaches a certain value, the thumb extrudes hydraulic oil in a hydraulic cylinder by pushing a piston rod below the arc pressing sheet on the lower side of a ring to push a piston to extrude the hydraulic oil in the hydraulic cylinder to lead the hydraulic cylinder into the fixing cylinder through a fixing pipe, a connecting pipe and a hose, and then the first movable block extrudes the first spring to drive the inserted bar to move upwards to move out of the teeth of the third gear to unlock, and then the friction between the second annular friction plate and the first annular friction plate is overcome, so that the first inlay and the second inlay open at a proper angle.
(2) In the invention, the front ends of a first inlay and a second inlay are hinged with a clamping chain, the hinged points of the first inlay, the clamping chain and the second inlay, which are hinged with the clamping chain, are positioned at one side of the first inlay, which is opposite to the two inlays, an elastic belt I is fixed between one side of the first inlay and the second inlay, which is far away from the hinged points, and the clamping chain, which is formed by mutually hinging a plurality of rectangular body fixing blocks, the hinged point of the adjacent rectangular body fixing blocks, which is hinged with the first inlay, is positioned at one side of the first inlay, which is opposite to the two inlays, and an elastic belt II is arranged between one sides of the adjacent rectangular body fixing blocks, which are far away from the hinged points, when in application, when the first inlay and the second inlay are opened, and when the opening angle of the front ends of the first inlay and the second inlay is overlarge due to misoperation of medical personnel, the plurality of rectangular body fixing blocks of the clamping chain can stretch the elastic belt II and overturn towards the inner side of the elastic belt, so as to avoid damaging other soft tissues, causing harm to the patient.
(3) The invention is characterized in that one side of a rectangular body fixing block close to a hinge joint is provided with a groove, a first sliding groove is arranged in the rectangular body fixing block at one side of the groove, a second sliding groove is arranged in the rectangular body fixing block at one side of an inlay body, a pressing block is arranged in the groove in a sliding manner, a first spring is arranged between the pressing block and one side of the groove, a sliding strip is arranged in the sliding groove in a sliding manner, one end of the sliding strip is fixedly connected with the pressing block, the other end of the sliding strip is provided with a first inclined plane inclined towards the second sliding groove, a push rod is arranged in the sliding groove in a sliding manner, one end of the push rod extends into the first sliding groove and is provided with a second inclined plane matched with the first inclined plane, the second inclined plane is attached to the first inclined plane, when two clamping chains are close, the surfaces of bones are arc-shaped, a clamping rod of a certain rectangular body fixing block of the clamping chains is firstly contacted with the surfaces of the bones, and the clamping chains are gradually close, make the supporting rod upwards promote the sliding plug and remove compression spring and drive in the lump with two insides of piston chamber are crowded to two insides in piston chamber, and then make two inside sliding plugs of piston chamber two move to the left side and drive the push rod and remove, and the push rod removes and can promote its left cuboid fixed block, make the cuboid fixed block overturn round its left cuboid fixed block, thereby make the centre gripping chain form carry out the centre gripping with the shape that the bone arcus matches each other, the poor stability of centre gripping has been improved, avoid the slippage.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of a portion of FIG. 1 at B;
FIG. 4 is a partial schematic view of FIG. 1 at C;
FIG. 5 is a schematic view of the locking mechanism of the present invention;
fig. 6 is a schematic side view of the locking mechanism of the present invention.
In the figure: 1. a fixed block; 2. a first inlay; 3. a second inlay; 4, fixing a column I; 5. fixing a second column; 6. a first gear; 7. a second gear; 8, clamping the chain; 81. a rectangular body fixing block; 82. a second elastic band; 83. a first piston cavity; 84. a sliding plug I; 85. a clamping rod; 86. a first spring; 87. a piston cavity II; 88. a sliding plug II; 89. a push rod; 9. a first elastic belt; 10. a third gear; 11. a fixed cylinder; 12. a movable block; 13. a second spring; 14. inserting a rod; 15. a ring; 16. a hydraulic cylinder; 17. a piston; 18. a piston rod; 19. an arc pressing sheet; 20. a connecting pipe; 21. a hose; 22. a fixed tube; 23. an inner ring; 24. a rubber connecting column; 25. a snap ring; 26. a second annular friction plate; 27. and a first annular friction plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an embodiment of the present invention is shown: the utility model provides a fixed pincers of orthopedics, including fixed block 1 and the articulated inlay 2 and the inlay two 3 that set up in fixed block 1 one side of symmetry, inlay 2 and inlay two 3 go up to run through respectively and be provided with fixed column one 4 and fixed column two 5, fixed column one 4 and fixed column two 5 respectively with inlay one 2 and inlay two 3 fixed connection, fixed column one 4 and fixed column two 5's one end all sets up side by side in fixed block 1 one side through the bearing, fixed column one 4 and fixed column two 5's the other end is provided with gear one 6 and gear two 7 respectively, gear one 6 and gear two 7 intermeshing, gear one 6 is 1 with gear two 7's transmission ratio: 1;
the front ends of the first inlay 2 and the second inlay 3 are hinged with clamping chains 8, hinged joints of the first inlay 2 and the clamping chains 8 and the second inlay 3 and the clamping chains 8 are positioned on one side of the first inlay 2 opposite to the second inlay 3, an elastic belt I9 is fixed between one side of the first inlay 2 and the second inlay 3 away from the hinged joints and the clamping chains 8, each clamping chain 8 is formed by mutually hinging a plurality of rectangular body fixing blocks 81, the hinged joints of the adjacent rectangular body fixing blocks 81 are positioned on one side of the first inlay 2 opposite to the second inlay 3, an elastic belt II 82 is arranged between one sides of the adjacent rectangular body fixing blocks 81 away from the hinged joints, one side of the rectangular body fixing block 81 close to the hinged joints is vertically provided with a first piston cavity 83, a first sliding plug 84 is slidably arranged inside the first piston cavity 83, and one side of the first sliding plug 84 close to the hinged joints of the rectangular body fixing blocks 81 is vertically provided with a clamping rod 85, a first spring 86 is arranged between one side, away from the clamping rod 85, of the first sliding plug 84 and one end of the first piston cavity 83, a second piston cavity 87 communicated with the first piston cavity 83 is vertically arranged on the left side, away from the clamping rod 85, of the first piston cavity 83, a second sliding plug 88 is slidably arranged inside the second piston cavity 87, a push rod 89 is vertically arranged on one side, close to the second piston cavity 87, of the second sliding plug 88, the first elastic belt 9 and the second elastic belt 82 are made of silica gel, and liquid is arranged inside the first piston cavity 83 and the second piston cavity 87;
one end of the second fixing column 5 penetrates through the first fixing block 1 and is fixedly connected with a third gear 10, one side, close to the first fixing block 1, of the third gear 10 is provided with a first annular friction plate 27, the first annular friction plate 26 is arranged on the first fixing block 1 on one side of the first annular friction plate 27, the first annular friction plate 27 is abutted to the second annular friction plate 26, one side of the third gear 10 is provided with a locking mechanism, the locking mechanism comprises a fixing cylinder 11 fixed on the side wall of the fixing block 1, a movable block 12 arranged in the fixing cylinder 11 in a sliding mode, a second spring 13 arranged on one side, far away from the third gear 10, of the movable block 12 and an inserted bar 14 vertically arranged on one side, close to the third gear 10, of the movable block 12, one end of the inserted bar 14 penetrates through the fixing cylinder 11 and extends to between teeth of the third gear 10, and the friction coefficient of the second annular friction plate 26 and the first annular friction plate 27 is greater than the coefficient of the second spring 13;
the tail end of the inlay body I2 is provided with a locking and unlocking mechanism, the locking and unlocking mechanism comprises a ring 15 fixed on the inlay body I2, two hydraulic cylinders 16 symmetrically arranged at the upper side and the lower side of the ring 15, a piston 17 arranged in the hydraulic cylinders 16 in a sliding manner and a piston rod 18 vertically arranged at one side of the piston 17 close to the ring 15, the free end of the piston rod 18 extends into the ring 15 and is provided with an arc-shaped pressing piece 19, the inlay body I2 at one side of the ring 15 is provided with a connecting pipe 20, one end of the connecting pipe 20 extends to one side of the fixed block 1 along with the inlay body I2, a hose 21 is fixedly connected with one end of the hose 21 far away from the connecting pipe 20 and is connected with the fixed cylinder 11 positioned between the movable block 12 and the gear III 10, the other end of the hydraulic cylinder 16 far away from the ring 15 is connected with the connecting pipe 20 through a fixed pipe 22, an inner ring 23 is arranged between the two arc-shaped pressing pieces 19, and the inner ring 23 is connected with the ring 15 through a rubber connecting column 24, the tail end of the second inlay 3 is provided with a snap ring 25, and the movable block 12 is provided with hydraulic oil inside the fixed cylinder 11, the connecting pipe 20 and the hydraulic cylinder 17 which are close to the third gear 10.
The working principle is as follows: when the medical staff is used, the medical staff can operate with one hand, the use is convenient, the operation time is saved, namely, the thumb is inserted into the inner ring 23, the other four fingers are inserted into the snap ring 25, when the inlay body I2 and the inlay body I3 are required to be opened, the inserted rod 14 of the locking releasing mechanism is positioned between the teeth of the gear III 10, namely, the locking is carried out, the thumb and the four fingers apply force slowly, because the friction coefficient of the annular friction plate II 26 and the annular friction plate I27 is larger than the stiffness coefficient of the spring II 13, when the force reaches a certain value, the thumb presses the arc-shaped pressing sheet 19 at the lower side of the ring 15 to push the piston 17 to press the hydraulic oil in the hydraulic cylinder 16 through the piston rod 18 below the arc-shaped pressing sheet, so that the hydraulic oil in the hydraulic cylinder 16 is led into the fixed cylinder 11 through the fixed pipe 22, the connecting pipe 20 and the hose 21, and further the movable block 12 presses the spring I87 to drive the inserted rod 14 to move upwards to move out of the teeth of the gear III 10 to release the locking, then, the friction between the annular friction plate II 26 and the annular friction plate I27 is overcome, so that the inlay I2 and the inlay II 3 are opened at a proper angle, when the inlay I2 and the inlay I3 are required to be closed, according to the principle, the thumb presses the arc-shaped pressing sheet 19 on the upper side of the ring 15, so that the movable block 12 presses the spring I87 to enable the inserted bar 14 to drive the inserted bar 14 to move upwards and move out of the teeth of the gear III 10 to be unlocked, when the clamping is completed and the force of the thumb and the four fingers disappears, under the action of the spring II 13, the movable block 12 pushes the inserted bar 14 to move downwards to be inserted into the teeth of the gear III 10, the locking is automatically completed, the locking is not required to be performed by the additional operation of medical personnel, the steps of the operation are simplified, the use is convenient, when the inlay I2 and the inlay II 3 are opened, when the operation error of the medical personnel causes the opening angle of the front ends of the inlay I2 and the inlay II 3 to be too large, when the inlay body I2 and the inlay body II 3 are clamped in a closed manner, the bone surface is arc-shaped, when two clamping chains 8 approach, a pressing block 86 of a certain rectangular body fixing block 81 of the clamping chain 8 firstly contacts with the bone surface, as the clamping chains 8 approach slowly, a clamping rod 85 of a certain rectangular body fixing block 81 of the clamping chain 8 firstly contacts with the bone surface, and as the clamping chains 8 approach slowly, the clamping rod 85 upwards pushes a sliding plug I84 to move a compression spring I86 and drive liquid in a piston cavity I83 to be squeezed into a piston cavity II 87, and further, the sliding plug II 88 in the piston cavity II 87 moves to the left side to drive a push rod 89 to move, and the push rod 89 moves to push the rectangular body fixing block 81 on the left side, make the fixed 81 blocks of cuboid round its left cuboid fixed block 81 upset to make centre gripping chain 8 form and carry out the centre gripping with the shape that the bone arcuation matches each other, improved the poor stability of centre gripping, avoid the slippage.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (7)
1. The orthopedic fixing forceps are characterized by comprising a fixing block (1), and a first inlay (2) and a second inlay (3) which are symmetrically hinged to one side of the fixing block (1), wherein the first inlay (2) and the second inlay (3) are respectively provided with a first fixing column (4) and a second fixing column (5) in a penetrating manner, the first fixing column (4) and the second fixing column (5) are respectively fixedly connected with the first inlay (2) and the second inlay (3), one ends of the first fixing column (4) and the second fixing column (5) are respectively arranged on one side of the fixing block (1) in parallel through bearings, the other ends of the first fixing column (4) and the second fixing column (5) are respectively provided with a first gear (6) and a second gear (7), and the first gear (6) and the second gear (7) are mutually meshed;
the front ends of the first inlay (2) and the second inlay (3) are hinged to be provided with clamping chains (8), the hinged joint of the first inlay (2) and the clamping chains (8) and the hinged joint of the second inlay (3) and the clamping chains (8) are located on one side of the first inlay (2) opposite to the second inlay (3), elastic belts (9) are fixed between one side of the hinged joint of the first inlay (2) and the second inlay (3) and the clamping chains (8), the clamping chains (8) are formed by mutually hinging a plurality of cuboid fixed blocks (81), the hinged joint of the first cuboid fixed blocks (81) is located on one side of the first inlay (2) opposite to the second inlay (3), the elastic belts (82) are arranged between one side of the cuboid fixed blocks (81) far away from the hinged joint, one side of the cuboid fixed blocks (81) close to the hinged joint is vertically provided with a first piston cavity (83), a first sliding plug (84) is arranged in the first piston cavity (83) in a sliding mode, a clamping rod (85) is vertically arranged on one side, close to a hinge point of the rectangular body fixing block (81), of the first sliding plug (84), a first spring (86) is arranged between one side, far away from the clamping rod (85), of the first sliding plug (84) and the end of the first piston cavity (83), a second piston cavity (87) communicated with the first piston cavity (83) is vertically arranged on the left side, far away from the clamping rod (85), of the first piston cavity (83), a second sliding plug (88) is arranged in the second piston cavity (87) in a sliding mode, and a push rod (89) is vertically arranged on one side, close to the second piston cavity (87), of the second sliding plug (88);
one end of the second fixed column (5) penetrates through the fixed block (1) and is fixedly connected with a third gear (10), one side, close to the fixed block (1), of the third gear (10) is provided with a first annular friction plate (27), the fixed block (1) on one side of the first annular friction plate (27) is provided with a second annular friction plate (26), the first annular friction plate (27) is abutted against the second annular friction plate (26), one side of the third gear (10) is provided with a locking mechanism, the locking mechanism comprises a fixed cylinder (11) fixed on the side wall of the fixed block (1), a movable block (12) arranged in the fixed cylinder (11) in a sliding manner, a second spring (13) arranged on one side, far away from the third gear (10), of the movable block (12) and an inserted bar (14) vertically arranged on one side, close to the third gear (10), of the movable block (12), one end of the inserted bar (14) penetrates through the fixed cylinder (11) and extends to the space between teeth of the third gear (10), the friction coefficient of the second annular friction plate (26) and the first annular friction plate (27) is greater than the stiffness coefficient of the second spring (13);
the tail end of the inlay body I (2) is provided with a locking and unlocking mechanism, the locking and unlocking mechanism comprises a ring (15) fixed on the inlay body I (2), two hydraulic cylinders (16) symmetrically arranged on the upper side and the lower side of the ring (15), a piston (17) slidably arranged in the hydraulic cylinders (16) and a piston rod (18) vertically arranged on one side, close to the ring (15), of the piston (17), the free end of the piston rod (18) extends into the ring (15) and is provided with an arc-shaped pressing sheet (19), the inlay body I (2) on one side of the ring (15) is provided with a connecting pipe (20), one end of the connecting pipe (20) extends to one side of the fixed block (1) along with the inlay body I (2) and is fixedly connected with a hose (21), one end, far away from the connecting pipe (20), of the hose (21) is connected with the fixed cylinder (11) positioned between the movable block (12) and the gear III (10), the other end of the hydraulic cylinder (16) far away from the ring (15) is connected with a connecting pipe (20) through a fixed pipe (22).
2. An orthopedic fixation clamp according to claim 1, wherein: an inner ring (23) is arranged between the two arc pressing sheets (19), and the inner ring (23) is connected with the finger ring (15) through a rubber connecting column (24).
3. An orthopedic fixation clamp according to claim 1, wherein: and the tail end of the inlay II (3) is provided with a snap ring (25).
4. An orthopedic fixation clamp according to claim 1, wherein: the transmission ratio of the first gear (6) to the second gear (7) is 1: 1.
5. an orthopedic fixation clamp according to claim 1, wherein: the first elastic belt (9) and the second elastic belt (82) are made of silica gel.
6. An orthopedic fixation clamp according to claim 1, wherein: and hydraulic oil is arranged in the movable block (12), which is close to the fixed cylinder (11) in the gear III (10), the connecting pipe (20) and the hydraulic cylinder (16).
7. An orthopedic fixation clamp according to claim 1, wherein: and liquid is arranged in the first piston cavity (83) and the second piston cavity (87).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011088920.5A CN112370144B (en) | 2020-10-13 | 2020-10-13 | Fixed pincers of orthopedics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011088920.5A CN112370144B (en) | 2020-10-13 | 2020-10-13 | Fixed pincers of orthopedics |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112370144A CN112370144A (en) | 2021-02-19 |
| CN112370144B true CN112370144B (en) | 2021-11-19 |
Family
ID=74581314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011088920.5A Active CN112370144B (en) | 2020-10-13 | 2020-10-13 | Fixed pincers of orthopedics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112370144B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017157442A1 (en) * | 2016-03-17 | 2017-09-21 | Brainlab Ag | Medical bone clamp |
| WO2018009691A1 (en) * | 2016-07-08 | 2018-01-11 | Massachusetts Institute Of Technology | Bone reduction forceps |
| CN108420521A (en) * | 2018-04-04 | 2018-08-21 | 无锡市中医医院 | A kind of orthopaedics reduction forceps with finger anticreep fixed function |
| CN211300268U (en) * | 2019-11-28 | 2020-08-21 | 皖南医学院第一附属医院（皖南医学院弋矶山医院） | Fixing screw and phalangeal fracture external fixation support |
| CN111568529A (en) * | 2020-06-23 | 2020-08-25 | 福州市第二医院 | Auxiliary positioning forceps and reduction set for fracture surgery |
| CN111588459A (en) * | 2020-06-03 | 2020-08-28 | 邓庆军 | Accurate-positioning reduction fixing forceps for traumatic orthopedics department |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5575805A (en) * | 1994-10-07 | 1996-11-19 | Li Medical Technologies, Inc. | Variable tip-pressure surgical grasper |
| JP2004350806A (en) * | 2003-05-28 | 2004-12-16 | Kazumasa Itokazu | Flexible bone clamping forceps for stabilizing bone clamping at the time of setting broken bone |
-
2020
- 2020-10-13 CN CN202011088920.5A patent/CN112370144B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017157442A1 (en) * | 2016-03-17 | 2017-09-21 | Brainlab Ag | Medical bone clamp |
| WO2018009691A1 (en) * | 2016-07-08 | 2018-01-11 | Massachusetts Institute Of Technology | Bone reduction forceps |
| CN108420521A (en) * | 2018-04-04 | 2018-08-21 | 无锡市中医医院 | A kind of orthopaedics reduction forceps with finger anticreep fixed function |
| CN211300268U (en) * | 2019-11-28 | 2020-08-21 | 皖南医学院第一附属医院（皖南医学院弋矶山医院） | Fixing screw and phalangeal fracture external fixation support |
| CN111588459A (en) * | 2020-06-03 | 2020-08-28 | 邓庆军 | Accurate-positioning reduction fixing forceps for traumatic orthopedics department |
| CN111568529A (en) * | 2020-06-23 | 2020-08-25 | 福州市第二医院 | Auxiliary positioning forceps and reduction set for fracture surgery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112370144A (en) | 2021-02-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112370144B (en) | Fixed pincers of orthopedics | |
| CN111631891A (en) | Orthopedic multifunctional limb wound first-aid fixing device | |
| CN204121111U (en) | Fracture of upper limb reduction forceps | |
| CN101406408B (en) | Tension side-fixing bone plate for olecranon process of ulna | |
| CN201469356U (en) | Biarticular bone rongeur with sawtooth | |
| CN112370145B (en) | Accurate-positioning reduction fixing forceps for traumatic orthopedics department | |
| CN215534818U (en) | Surgical forceps for medical endoscope | |
| CN201139601Y (en) | Hemostat | |
| CN211934180U (en) | Hemostasis device for surgical operation | |
| CN205903293U (en) | Circumcision is with fixed pincers | |
| CN207286106U (en) | Artificial ligament clamps cutter | |
| CN220124765U (en) | Minimally invasive surgical forceps | |
| CN2873125Y (en) | Novel medical steel nail extraction forceps | |
| CN220632243U (en) | Orthodontic pliers | |
| CN209826839U (en) | Clamp for nail anvil of anastomat | |
| CN213030782U (en) | Fixing forceps for traumatic orthopedics | |
| CN204260810U (en) | A kind of three-jaw olecroanon fixation steel plate | |
| CN210990886U (en) | Adjustable pressing clamp for fixing ear vein of pig | |
| CN211633485U (en) | Urethral forceps for endoscope | |
| CN215960722U (en) | Outpatient limb hemostasis device | |
| CN213156234U (en) | Lip forceps with hemostatic effect | |
| CN212465951U (en) | Medical treatment gynaecology and obstetrics's electronic inspection cervical clamp | |
| CN220275659U (en) | Gynecological operation forceps and suit thereof | |
| CN221331330U (en) | Hemostatic device | |
| CN216257235U (en) | Disposable transverse carpal ligament incision expander for minimally invasive carpal tunnel syndrome |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |