CN114376741B - Device for assisting closed reduction of femoral neck fracture and internal fixation of needle - Google Patents
Device for assisting closed reduction of femoral neck fracture and internal fixation of needle Download PDFInfo
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- CN114376741B CN114376741B CN202111574521.4A CN202111574521A CN114376741B CN 114376741 B CN114376741 B CN 114376741B CN 202111574521 A CN202111574521 A CN 202111574521A CN 114376741 B CN114376741 B CN 114376741B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/50—Supports for surgical instruments, e.g. articulated arms
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/50—Supports for surgical instruments, e.g. articulated arms
- A61B90/57—Accessory clamps
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
- A61G13/1205—Rests specially adapted therefor; Arrangements of patient-supporting surfaces for specific parts of the body
- A61G13/1245—Knees, upper or lower legs
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
- A61G13/128—Rests specially adapted therefor; Arrangements of patient-supporting surfaces with mechanical surface adaptations
- A61G13/1285—Rests specially adapted therefor; Arrangements of patient-supporting surfaces with mechanical surface adaptations having modular surface parts, e.g. being replaceable or turnable
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/50—Supports for surgical instruments, e.g. articulated arms
- A61B90/57—Accessory clamps
- A61B2090/571—Accessory clamps for clamping a support arm to a bed or other supports
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Abstract
The invention relates to a device for assisting closed reduction of femoral neck fracture and internal fixation of a needle, which comprises a fixing plate, wherein the fixing plate comprises a vertical plate and a horizontal plate; one end of a first connecting rod is fixedly provided with a first fixed clamping jaw assembly, the first fixed clamping jaw assembly is connected with the base part of the fixing plate, and the other end of the first connecting rod is fixedly provided with a second fixed clamping jaw assembly; a third fixed clamping jaw assembly is arranged at one end of the second connecting rod, and a holding hand is arranged at the other end of the second connecting rod; the handle is connected with the fixing plate by a second connecting rod. The invention makes up the defects of single foot traction and insufficient traction force in the prior art, and provides arbitrary correction traction force in the inner and outer, up and down, longitudinal and rotation directions for the distal end (thigh) of the femoral neck fracture together, so that the femoral neck fracture is easy to obtain satisfactory closed reduction, and favorable conditions are created for internal fixation of fracture; can replace the operator to hold the tool, avoid the operator to suffer X-ray radiation hazard during perspective, the installation is dismantled conveniently.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and relates to a device for assisting in femoral neck fracture closed reduction and needle-placing internal fixation.
Background
The femoral neck fracture is one of the most common clinical frequently-occurring diseases and common diseases, especially the fracture of the old, and the early surgical treatment is advocated if the femoral neck fracture has no obvious contraindication for the operation; the existing femoral neck fracture surgery is preferably selected from internal fixation for hip protection, only single foot traction is provided in the implementation process at present, the foot traction only provides longitudinal traction force and indirect rotating force for fracture far ends (thighs), satisfactory closed reduction is difficult to achieve in partial femoral neck fracture patients, open reduction internal fixation needs to be performed through incision, the surgical wound of the open reduction internal fixation is large, and the risks of complications such as surgical bleeding, nerve vessel injury, infection and the like are increased. Therefore, in the process of implementing the internal fixation operation, besides the foot traction implementation longitudinal traction force and indirect rotating force, the traction force in the inside and outside directions is also required to be applied to the thighs, particularly the outwards retracted and inserted bone fracture ends which are shortened are close to each other, the traction force of the thighs in the upper and lower directions is required to be increased, particularly the affected limbs are lifted upwards to correct limb sinking displacement, and the direct rotating force of the thighs is increased, namely the three-dimensional space and six-degree-of-freedom arbitrary correction traction force are provided, so that satisfactory restoration can be obtained; secondly, when the guide pin is placed under fluoroscopy and the screw is screwed in by using the screwdriver, an operator needs to keep the electric drill or the screwdriver, the operator is exposed under the X-ray fluoroscopy, the operator can wear the protective clothing and cap but only has limited protection, the X-ray radiation function cannot be completely protected, multiple times of fluoroscopy is generally needed, and therefore radiation harm is still caused to doctors.
Therefore, there is a need to develop a device for assisting fracture of femoral neck and internal fixation of inserted needle, which can provide traction force in various directions during the closing reduction process, and can replace the operator holding an electric drill or a screwdriver to assist in inserting needle and screw implantation, and avoid the exposure of the operator to X-ray fluoroscopy.
Disclosure of Invention
The invention aims to provide a device for assisting femoral neck fracture and needle placement internal fixation, which can provide all-directional correction traction force for thighs in the process of implementing closed reduction internal fixation together with foot traction, can replace an operator to hold an electric drill or a screwdriver, assist in needle placement and screw implantation, cannot obstruct the placement and perspective of an X-ray perspective machine, and cannot influence the operation of the operator on a incision area.
According to the technical scheme provided by the invention: a device for assisting in femoral neck fracture closed reduction and needle placement internal fixation comprises a fixing plate, a connecting rod assembly, a holding hand, a first fixing clamping jaw assembly, a second fixing clamping jaw assembly and a third fixing clamping jaw assembly, wherein the fixing plate comprises a vertical plate and a horizontal plate which are connected into a whole, and a base part which protrudes transversely is arranged at the intersection of the vertical plate and the horizontal plate; the connecting rod assembly comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is fixedly provided with a first fixed clamping jaw assembly, the first fixed clamping jaw assembly is connected with the base part of the fixing plate, the other end of the first connecting rod is fixedly provided with a second fixed clamping jaw assembly, and the second fixed clamping jaw assembly can be connected with a sacrum support metal pillar of the operation traction bed to provide a fulcrum; a third fixed clamping jaw assembly is arranged at one end of the second connecting rod and is connected with the base part of the fixing plate, and a handle is arranged at the other end of the second connecting rod and can be used for replacing an operator to hold objects; the handle is connected with the fixing plate by a second connecting rod.
Preferably, the fixed clamping jaw assembly comprises a first fixed ball, a clamping jaw and a fastening bolt, the top of the first fixed ball is fixedly connected with the clamping jaw, the clamping jaw is provided with a clamping plate and a side plate, the middle of the side plate is provided with a second threaded hole, and the fastening bolt is in threaded connection with the inside of the side plate.
Preferably, the vertical plate and the horizontal plate are respectively placed on the inner side and the lower side of the thigh of the affected limb, and the end parts of the vertical plate and the horizontal plate are respectively and uniformly provided with insertion holes matched with the insertion pins.
Preferably, one end of the bolt is provided with a clamping groove, and the other end of the bolt is provided with a first through hole for penetrating the tightening belt; the bolt utilizes the draw-in groove to fix in the jack of fixed plate, and lacing tape is connected with the bolt, will suffer from the thigh of limb and fix through lacing tape, bolt and fixed plate.
Preferably, the outer layer of the bolt is provided with a cushion; the fixing plate and the bolt are made of transparent light wood or carbon fiber respectively.
Preferably, the inner side surfaces of the vertical plate and the horizontal plate are provided with soft pads corresponding to the inner sides and the lower sides of thighs of the affected limb.
Preferably, one end of the first connecting rod is provided with a first ball joint side wall which is provided with a second through hole, and a turntable shaft is arranged in the through hole; a fixed block is arranged in the first ball joint, and a first threaded hole is formed in the fixed block; one end of the turntable shaft is in threaded connection with the first threaded hole, the other end of the turntable shaft is provided with a turntable, the middle part of the turntable shaft is provided with a fixing ring, and one end of the steel cable is fixedly connected with the fixing ring; the other end of the first connecting rod is provided with a second ball joint, a fixed shaft is arranged in the second ball joint, and the other end of the steel cable is fixedly connected with the fixed shaft.
Preferably, the first ball joint and the second ball joint are ball joints of a metal hemispherical structure.
Preferably, the holding hand comprises a second fixing ball, a fixing shaft is arranged at the bottom of the second fixing ball, a two-jaw gripper is arranged at the end part of the fixing shaft, a locking ring is arranged at a handle of the two-jaw gripper, third through holes are formed in two sides of one end part of the locking ring, a fourth through hole corresponding to the third through hole is formed in the handle, a hinge shaft is arranged in the third through hole and the fourth through hole, and the locking ring is hinged to the handle; the top of the other end of the locking ring is provided with a third threaded hole, and a locking handle is screwed in the third threaded hole.
Preferably, the ball joints of the first and second connecting rods can be hardened when tightened and can be softened when loosened.
Preferably, the first fixing ball and the second fixing ball are connected with the connecting rod assembly through welding. The first and second connecting rods have variable and shapeable properties that are hardened, softened.
The positive progress effects of the invention are as follows:
1. the invention can overcome the defects of foot traction and insufficient traction in the past, increases the traction and direct rotating force of the far end (thigh) of the femoral neck fracture in the inside, outside, up and down directions, and leads the far end of the femoral neck fracture to obtain the retraction correction force in the inside, outside, up and down, longitudinal and rotating three-dimensional space and any direction with six degrees of freedom together with the foot traction, thus leading the femoral neck fracture to easily obtain satisfactory closed reduction and creating favorable conditions for internal fixation of fracture.
2. The holding hand replaces an operator to hold an electric drill or a screwdriver, the operator can leave the perspective radiation area, the operator is prevented from being damaged by radiation during X-ray perspective, the device does not obstruct the placement and the perspective of the X-ray perspective machine, and the operation of the operator on the incision area is not influenced.
3. The invention is suitable for the left and right affected limbs, is light, convenient to install and disassemble and convenient to disinfect and clean.
Drawings
Fig. 1 is a schematic view of the general structure of the present invention.
FIG. 2 is a schematic view of the latch of the present invention.
FIG. 3 is a cross-sectional view of a first connecting rod according to the present invention.
Figure 4 is a schematic view of a fixed jaw of the present invention.
Fig. 5 is a schematic view of a hand grip of the present invention.
Figure 6 is a schematic view of a locking ring of the present invention.
FIG. 7 is a schematic view of a two-jaw gripper of the present invention.
In the figure: 1. a fixing plate; 2. a connecting rod; 3. a handle; 4. a vertical plate; 5. a horizontal plate; 6. a base portion; 7. a first connecting rod; 8. a second connecting rod; 9. a wire rope; 10-1, a first fixed clamping jaw assembly, 10-2, a second fixed clamping jaw assembly, 10-3 and a third fixed clamping jaw assembly; 11. a jack; 12. a bolt; 13. a card slot; 14. a first through hole; 15-1, a first ball joint; 15-2, a second ball joint; 16. a second through hole; 17. a fixed block; 18. a first threaded hole; 19. a turntable shaft; 20. a turntable; 21. a fixing ring; 22. a fixed shaft; 23. a first fixed ball; 24. a clamping jaw; 25. fastening a bolt; 26. a splint; 27. a side plate; 28. a second threaded hole; 29. a second fixed ball; 30. a first hinge axis; 31. a two-claw gripper; 32. a handle; 33. locking a ring; 34. a third through hole; 35 a fourth via hole; 36. a second hinge axis; 37. a third threaded hole; 38. locking the handle; 39. and (4) tightening the belt.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution 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.
As shown in fig. 1-7, the invention is a device for assisting in femoral neck fracture closed reduction and needle placement internal fixation, comprising a fixing plate 1, a connecting rod assembly 2, a holding hand 3, a first fixing clamping jaw assembly 10-1, a second fixing clamping jaw assembly 10-2 and a third fixing clamping jaw assembly 10-3, wherein the fixing plate 1 comprises a vertical plate 4 and a horizontal plate 5 which are connected into a whole, and a transverse protruding base part 6 is arranged at the intersection of the vertical plate 4 and the horizontal plate 5; the connecting rod assembly 2 comprises a first connecting rod 7 and a second connecting rod 8, one end of the first connecting rod 7 is fixedly provided with a first fixed clamping jaw assembly 10-1, the first fixed clamping jaw assembly 10-2 is connected with the base part 6 of the fixing plate 1, the other end of the first connecting rod 7 is fixedly provided with a second fixed clamping jaw assembly 10-2, and the second fixed clamping jaw assembly 10-2 can be connected with the operating table; one end of the second connecting rod 8 is provided with a third fixed clamping jaw assembly 10-3, the third fixed clamping jaw assembly 10-3 is connected with the base part 6 of the fixed plate 1, and the other end of the second connecting rod 8 is provided with a holding hand 3; the handle 3 is connected to the fixed plate 1 by means of a second connecting rod 8.
Furthermore, a vertical plate 4 and a horizontal plate 5 are respectively placed at the inner side and the lower part of the affected limb, and one end of the vertical plate 4 and one end of the horizontal plate 5 are respectively and uniformly distributed with jacks 11 matched with pins 12; the position of the insertion hole 11 is selected according to the thickness of the affected limb.
Further, the fixing plate 1 and the plug 12 are made of a material including a light weight wood or a carbon fiber; the inner side surfaces of the vertical plate 4 and the horizontal plate 5 are provided with soft pads corresponding to the inner sides and the lower sides of the thighs of the affected limbs. The outer layer of the bolt 12 is also provided with a soft cushion.
Furthermore, one end of the bolt 12 is provided with a clamping groove 13, and the other end is provided with a first through hole 14 for penetrating the tightening belt 39; the bolt 12 is fixed in the jack 11 of the fixing plate 1 by the clamping groove 13, the binding belt 39 is connected with the bolt, and the thigh on the affected side is firmly fixed together by the binding belt 39, the bolt 12 and the fixing plate 1.
Further, a second through hole 16 is formed in the side wall of the first ball joint 15-1 at one end of the first connecting rod 7, and a turntable shaft 19 is arranged in the second through hole 16; a fixed block 17 is arranged in the first ball joint 15, and a first threaded hole 18 is formed in the fixed block 17; one end of a turntable shaft 19 is screwed in the first threaded hole 18, the other end of the turntable shaft 19 is provided with a turntable 20, the middle part of the turntable shaft 19 is provided with a fixing ring 21, and one end of the steel cable 9 is fixedly connected with the fixing ring 21; a fixed shaft 22 is arranged in the second ball joint 15 at the other end of the first connecting rod 7, and the other end of the steel cable 9 is fixedly connected with the fixed shaft 22; because the one end of wire rope 9 and the fixed ring 21 fixed connection of 19 utilization of carousel axle, the other end and the fixed axle 22 fixed connection of wire rope 9, rotatory carousel 20 can drive 19 pivoted of carousel axle in the time, also can drive wire rope 9 and relax or tighten up, when wire rope 9 relaxes, can carry out relative motion between each ball joint of head rod 7, make head rod 7 can the arbitrary direction crooked, when wire rope 9 tightens up, space between each ball joint is tightened up, head rod 7 keeps current state, make whole head rod 7 can not take place deformation, can provide the holding power.
Further, the first fixed clamping jaw assembly 10 comprises a first fixed ball 23, a clamping jaw 24 and a fastening bolt 25, the top of the first fixed ball 23 is fixedly connected with the clamping jaw 24, the clamping jaw 24 is provided with a clamping plate 26 and a side plate 27, the middle part of the side plate 27 is provided with a second threaded hole 28, and the fastening bolt 25 is screwed in the side plate 27; the fixed jaw assembly 10 can be fixed to the base portion 6 of the fixed plate 1 or the operating bed by tightening the bolts 25, the clamp plate 26, and the side plate 27. The first fixed clamping jaw assembly 10-1, the second fixed clamping jaw assembly 10-2 and the third fixed clamping jaw assembly 10-3 are identical in structure.
Further, the handle 3 comprises a second fixing ball 29, a first hinge shaft 30 is arranged at the bottom of the second fixing ball 29, a second claw grip 31 is arranged at the end of the first hinge shaft 30, a locking ring 33 is arranged at the handle 32 of the second claw grip 31, third through holes 34 are arranged on two sides of one end of the locking ring 33, a fourth through hole 25 corresponding to the third through hole 34 is arranged on the handle 32, a second hinge shaft 36 is arranged in the third through hole 34 and the fourth through hole 35, and the locking ring 33 is hinged with the handle 32; a third threaded hole 37 is formed in the top of the other end of the locking ring 33, and a locking handle 38 is screwed in the third threaded hole 37; when the handles of the electric drill or the screwdriver are positioned in the buckles of the two-jaw hand grip 31, the locking ring 33 is rotated, the locking ring 33 is sleeved outside the two handles 32, the locking handle 38 is rotated, the two handles 32 can be fastened and fixed, and the two-jaw hand grip 31 cannot be opened to cause the electric drill or the screwdriver to fall off.
Further, the first fixing ball 23 and the second fixing ball 29 are respectively connected with the second connecting rod of the connecting rod assembly 2 by welding. The first connecting rod 7 and the second connecting rod have variable and shapeable properties of being hardened, softened.
The working process of the invention is as follows: the fixing plate 1 is connected with a sacrum support metal strut of an operation traction bed by using fixing clamping jaw assemblies 10 at two ends of a first connecting rod 7, a rotary table 20 is rotated to loosen the first connecting rod 7, the position of the fixing plate 1 is adjusted, the fixing plate 1 is placed at the inner side and the lower part of a thigh and a knee joint at the affected side, and the rotary table 20 is rotated reversely to tighten and fix the first connecting rod 7 and provide supporting force for the fixing plate 1; according to the thickness of the limbs of the patient, the plug hole 11 at a proper position is selected to be inserted into the plug pin 12, the plug pin 12 is matched and fixed with the plug hole 11 through the clamping groove 13, the tightening belt passes through the first through hole 14 on the plug pin 12, the tightening belt 39 is tightened, and the limbs of the patient are firmly fixed on the fixing plate 1; in operation, when foot traction is used for implementing longitudinal traction and indirect rotation, the fixing plate 1 of the device of the invention is used for pushing the thighs outwards or inwards, lifting upwards or pressing downwards, the thighs are rotated inwards or outwards, traction forces in all directions of internal, external, up and down rotation are implemented, then the first connecting rod is tightened for fixing, and the optimal closing reset effect is achieved by adjusting the position of the fixing plate 1 for multiple times.
The fixing plate 1 and the plug 12 are made of perspective materials, and X-ray perspective imaging is not influenced. Then, when the guide pin needs to be placed, the electric drill with the guide pin is fixed at the position of the needle insertion point by using the handle 3, the state of the second connecting rod 8 is adjusted, the electric drill is adjusted to a proper position and then the second connecting rod 8 is contracted and fixed, an operator is replaced to keep the electric drill, the operator can leave the perspective area to a safety area with an X-ray protection plate, the radiation of the X-ray can be avoided, and whether the position of the needle insertion point is satisfied or not is determined by perspective; then, the X-ray detection is needed to be started, whether the position and the direction of the guide pin after entering are suitable or not is observed, and the operator can leave the perspective area to the safety area with the X-ray protection plate after the fixing by the handle 3. If not, the above steps can be repeated to adjust again.
When the guide pin is placed, whether the position of the screw which needs to be subjected to perspective viewing is proper or not in the process of placing the screw is needed, the screwdriver is held by the holding handle 3 during perspective viewing, and an operator leaves the perspective viewing area and enters the safety area with the X-ray protection plate, so that the operator can avoid the radiation of X-rays.
After the operation is completed, the fastening bolts 25 in the fixed gripper assembly 10 are loosened, and the apparatus of the present invention can be removed for sterilization and cleaning.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (6)
1. The utility model provides an auxiliary femoral neck fracture closed reduction and put needle internal fixation's device which characterized in that: the clamping device comprises a fixing plate (1), a connecting rod component (2), a holding hand (3), a first fixed clamping jaw component (10-1), a second fixed clamping jaw component (10-2) and a third fixed clamping jaw component (10-3), wherein the fixing plate (1) comprises a vertical plate (4) and a horizontal plate (5) which are connected into a whole, and a transverse protruding base part (6) is arranged at the intersection of the vertical plate (4) and the horizontal plate (5); the connecting rod assembly (2) comprises a first connecting rod (7) and a second connecting rod (8), one end of the first connecting rod (7) is fixedly provided with a first fixed clamping jaw assembly (10-1), the first fixed clamping jaw assembly (10-1) is connected with the base part (6) of the fixing plate (1), the other end of the first connecting rod (7) is fixedly provided with a second fixed clamping jaw assembly (10-2), and the second fixed clamping jaw assembly (10-2) can be connected with a sacral support metal strut of the surgical traction bed; one end of the second connecting rod (8) is provided with a third fixed clamping jaw assembly (10-3), the third fixed clamping jaw assembly (10-3) is connected with the base part (6) of the fixing plate (1), and the other end of the second connecting rod (8) is provided with a holding hand (3) which can be used for replacing an operator to hold objects; the handle (3) is connected with the fixed plate (1) by a second connecting rod (8);
the end parts of the vertical plate (4) and the horizontal plate (5) are respectively provided with a jack (11) matched with a plug pin (12);
one end of the bolt (12) is provided with a clamping groove (13), and the other end is provided with a first through hole (14) for penetrating the tightening belt (39); the pin (12) is fixed in the jack (11) of the fixing plate (1) by the clamping groove (13), the tightening belt (39) is connected with the pin (12), and the affected thigh is fixed by the tightening belt (39), the pin (12) and the fixing plate (1);
a second through hole (16) is formed in the side wall of the first ball joint (15-1) and is arranged at one end of the first connecting rod (7), and a turntable shaft (19) is arranged in the through hole; a fixed block (17) is arranged in the first ball joint (15-1), and a first threaded hole (18) is formed in the fixed block (17); one end of a turntable shaft (19) is screwed in the first threaded hole (18), the other end of the turntable shaft (19) is provided with a turntable (20), the middle part of the turntable shaft (19) is provided with a fixing ring (21), and one end of a steel cable (9) is fixedly connected with the fixing ring (21); a second ball joint (15-2) is arranged at the other end of the first connecting rod (7), a fixed shaft (22) is arranged in the second ball joint (15-2), and the other end of the steel cable (9) is fixedly connected with the fixed shaft (22);
the handle (3) comprises a second fixing ball (29), a first hinge shaft (30) is arranged at the bottom of the second fixing ball (29), two claw grips (31) are arranged at the end part of the first hinge shaft (30), a locking ring (33) is arranged at the handle (32) of each claw grip (31), third through holes (34) are formed in two sides of one end part of each locking ring (33), a fourth through hole (35) corresponding to each third through hole (34) is formed in each handle (32), a second hinge shaft (36) is arranged in each third through hole (34) and each fourth through hole (35), and each locking ring (33) is hinged to each handle (32); the top of the other end of the locking ring (33) is provided with a third threaded hole (37), and a locking handle (38) is screwed in the third threaded hole (37).
2. The device for assisting the closed reduction of femoral neck fracture and the internal fixation of needle placement as claimed in claim 1, wherein: the first fixing clamping jaw assembly (10-1) comprises a first fixing ball (23), a clamping jaw (24) and a fastening bolt (25), the top of the first fixing ball (23) is fixedly connected with the clamping jaw (24), the clamping jaw (24) is provided with a clamping plate (26) and a side plate (27), the middle of the side plate (27) is provided with a second threaded hole (28), and the fastening bolt (25) is screwed in the side plate (27).
3. The device for assisting the closed reduction of femoral neck fracture and the internal fixation of needle placement as claimed in claim 1, wherein: a soft cushion is arranged on the outer layer of the bolt (12); the fixing plate (1) and the bolt (12) are respectively made of transparent light wood or carbon fiber;
4. the device for assisting in the closed reduction and needle-placement internal fixation of femoral neck fractures as claimed in claim 1, wherein: the vertical plate (4) and the horizontal plate (5) correspond to the inner side and the lower side of the thigh of the affected limb, and soft pads are arranged on the inner side surfaces.
5. The device for assisting in the closed reduction and needle-placement internal fixation of femoral neck fractures as claimed in claim 1, wherein: the first ball joint (15-1) and the second ball joint (15-2) are ball joints of metal hemispherical structures.
6. The device for assisting the closed reduction and the internal fixation of the needle for the femoral neck fracture as claimed in claim 2, wherein: and the first fixing ball (23) and the second fixing ball (29) are respectively connected with the connecting rod assembly in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111574521.4A CN114376741B (en) | 2021-12-21 | 2021-12-21 | Device for assisting closed reduction of femoral neck fracture and internal fixation of needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111574521.4A CN114376741B (en) | 2021-12-21 | 2021-12-21 | Device for assisting closed reduction of femoral neck fracture and internal fixation of needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114376741A CN114376741A (en) | 2022-04-22 |
| CN114376741B true CN114376741B (en) | 2022-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111574521.4A Active CN114376741B (en) | 2021-12-21 | 2021-12-21 | Device for assisting closed reduction of femoral neck fracture and internal fixation of needle |
Country Status (1)
| Country | Link |
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| CN (1) | CN114376741B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2101488A (en) * | 1981-06-03 | 1983-01-19 | Rizk Shoukry Abdel Masseih | External fixation frames and fixing pins therefor |
| CN2032458U (en) * | 1988-04-11 | 1989-02-15 | 上海市长海医院 | Multifunctional traction frame for reducing fractured limbs |
| US4823781A (en) * | 1987-07-02 | 1989-04-25 | Buchanan William J | Method and apparatus for percutaneous fracture reduction and fixation |
| CN106137409A (en) * | 2016-08-09 | 2016-11-23 | 泰州市人民医院 | A kind of positioning auxiliary device for fracture of neck of femur and using method thereof |
| CN112043370A (en) * | 2020-09-11 | 2020-12-08 | 无锡市第九人民医院 | Minimally invasive steel wire guider capable of being inserted into bendable surrounding skeleton |
-
2021
- 2021-12-21 CN CN202111574521.4A patent/CN114376741B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2101488A (en) * | 1981-06-03 | 1983-01-19 | Rizk Shoukry Abdel Masseih | External fixation frames and fixing pins therefor |
| US4823781A (en) * | 1987-07-02 | 1989-04-25 | Buchanan William J | Method and apparatus for percutaneous fracture reduction and fixation |
| CN2032458U (en) * | 1988-04-11 | 1989-02-15 | 上海市长海医院 | Multifunctional traction frame for reducing fractured limbs |
| CN106137409A (en) * | 2016-08-09 | 2016-11-23 | 泰州市人民医院 | A kind of positioning auxiliary device for fracture of neck of femur and using method thereof |
| CN112043370A (en) * | 2020-09-11 | 2020-12-08 | 无锡市第九人民医院 | Minimally invasive steel wire guider capable of being inserted into bendable surrounding skeleton |
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| CN114376741A (en) | 2022-04-22 |
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