CN209253082U - Femur Minimally Invasive Surgery instrument - Google Patents

Abstract

The utility model relates to the field of medical instrument technology, especially a kind of femur Minimally Invasive Surgery instrument, steel plate comprising implanted femur surface, at least two groups tapping lifts restorer, lockplate, drill bushing, bolt and nut, the steel plate is equipped at least three through-holes, steel plate one end sets threaded hole one, the lockplate material is carbon fiber, in inverted L shape, it protrudes horizontally up end and is equipped with drill bushing corresponding with through-hole hole, bolt hole corresponding with threaded hole one is equipped in its vertical extension end, end is equipped with locating piece, the locating piece touches steel plate, the drill bushing is sheathed in drill bushing hole, the tapping lifting restorer body of rod is set in drill bushing, operation opening is small, only discrete small notch, it is effectively protected soft tissue, the material of lockplate is carbon fiber, light-permeable, it can be clearly seen that the position of subcutaneous steel plate, guarantee that doctor is accurate It is operated, reduces operating time, improve procedure efficiency, reduce complication probability, accelerated patient's postoperation recovery, reduce the pain of patient.

Description

Femur Minimally Invasive Surgery instrument

Technical field

The utility model relates to the field of medical instrument technology, especially a kind of femur Minimally Invasive Surgery instrument.

Background technique

Femoral fracture is the common wound of Orthopedic Clinical, the elderly is more common in, with the extension of human longevity, the bone of the elderly The loose disease incidence of matter increases, and the disease incidence of femoral fracture is caused to increase.In the prior art, the side that marrow is implanted into steel plate is generallyd use Formula carries out the reparation of femoral fracture, and still, operative incision is big, and sight is bad, and operating time is long.

Utility model content

In order to overcome the shortcomings of that existing femoral surgery instrument, the utility model provide a kind of femur Minimally Invasive Surgery device Tool.

The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of femur Minimally Invasive Surgery instrument, includes The steel plate on implanted femur surface, at least two groups tapping lifting restorer, lockplate, drill bushing, bolt and nut, above the steel plate Equipped at least three through-holes, steel plate one end is equipped with threaded hole one, and it is in inverted L shape, level is stretched that the lockplate material, which is carbon fiber, Outlet is equipped with drill bushing corresponding with through-hole hole, is equipped with bolt hole corresponding with threaded hole one in vertical extension end, end is set There is locating piece, the locating piece touches steel plate, and the bolt passing through bolt hole is screwed into threaded hole one and passes through nut lock Determine for steel plate and lockplate to be connected and fixed, the drill bushing is sheathed in drill bushing hole, the through-hole of drill bushing end contact steel plate, institute It states tapping lifting restorer to include the body of rod and be fixed on the handle of body of rod one end, the body of rod head is equipped with drill bit, behind drill bit Equipped with screw tap, body of rod tail portion, which is equipped with, resets screw thread, resets thread jacket and is equipped with knob, the body of rod is set in drill bushing.

Another embodiment according to the present utility model further comprises the bolt hole of the vertical extension end of lockplate There are three the ball bumps of circumference uniform distribution for peripheral hardware, form pre-determined bit, make threaded hole one on bolt and steel plate rapidly and precisely Connection.

Another embodiment according to the present utility model further comprises that the drill bushing hole of the lockplate is equipped with rectangular Stepped hole, the drill bushing outer circle are equipped with corresponding square flat, can play the role of preventing drill bushing from rotating.

Another embodiment according to the present utility model further comprises that the lockplate side wall is equipped with threaded hole two, Threaded hole two is mutually passed through with drill bushing hole, and fastening screw is screwed into threaded hole two and fastens drill bushing, can further be locked drill bushing, Prevent its play.

Another embodiment according to the present utility model further comprises, the lockplate protrudes horizontally up end and vertical Extension end is split type structure, and the two is connected by screw, pin, dismountable separate structure manufacture easy to process.

Another embodiment according to the present utility model further comprises also being provided with boring on the locating piece 7 of the lockplate Sets of holes, the corresponding position of steel plate also are provided with through-hole, and applicability is wide.

The utility model has the beneficial effects that operation opening is small, only discrete small notch is effectively protected soft group It knits, the material of lockplate is carbon fiber, and light-permeable can be clearly seen that the position of subcutaneous steel plate during operation, guarantees doctor It is accurately drilled in fracture end, the operation of tapping and pedicle screw, matching for restorer is lifted by lockplate, steel plate, tapping It closes and uses, reduce operating time, improve procedure efficiency, reduce the probability of complication generation, accelerate patient's postoperation recovery, Reduce the pain of patient.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is locked out plate main view；

Fig. 3 is locked out the attached view of plate；

Fig. 4 is locked out plate left view；

Fig. 5 is locked out plate perspective view；

Fig. 6 is the attached view of steel plate；

Fig. 7 is drill bushing schematic diagram；

Fig. 8 is tapping lifting restorer schematic diagram；

Fig. 9 is the procedure chart one of the utility model；

Figure 10 is the procedure chart two of the utility model；

Figure 11 is the procedure chart three of the utility model；

Figure 12 is the procedure chart four of the utility model.

1, steel plate in figure, 1-1, through-hole, 1-2, threaded hole one, 2, tapping lifting restorer, 2-1, the body of rod, 2-2, handle, 2-5,2-3, drill bit, 2-4, screw tap reset screw thread, 2-6, knob, 3-1,3, lockplate protrude horizontally up end, 3-2, vertical stretching End, 4, drill bushing, 4-1, square flat, 5, drill bushing hole, 6, bolt hole, 7, locating piece, 8, bolt, 9, nut, 10, ball bumps, 11, Rectangular stepped hole, 12, threaded hole two, 13, fastening screw, 14, screw, 15, pin.

Specific embodiment

If Fig. 1 to 8 is the structural schematic diagram of the utility model, a kind of femur Minimally Invasive Surgery instrument includes implanted femur table Steel plate 1, at least two groups tapping lifting restorer 2, lockplate 3, drill bushing 4, bolt 8 and the nut 9 in face, the steel plate 1 are set above There are at least three through-hole 1-1,1 one end of steel plate is equipped with one 1-2 of threaded hole, and it is in inverted L shape that 3 material of lockplate, which is carbon fiber, It protrudes horizontally up end 3-1 and is equipped with drill bushing corresponding with through-hole 1-1 hole 5, be equipped with and one 1-2 of threaded hole in vertical extension end 3-2 Corresponding bolt hole 6, end are equipped with locating piece 7, and the locating piece 7 touches steel plate 1, and the bolt 8 is screwed in across bolt hole 6 It locks for steel plate 1 and lockplate 3 to be connected and fixed in one 1-2 of threaded hole and by nut 9, the drill bushing 4 is sheathed on brill In sets of holes 5, the through-hole 1-1 of 4 end contact steel plate 1 of drill bushing, the tapping lifting restorer 2 is comprising body of rod 2-1 and is fixed on bar The handle 2-2 of the one end body 2-1, the head the body of rod 2-1 are equipped with drill bit 2-3, are equipped with screw tap 2-4, body of rod 2-1 behind drill bit 2-3 Tail portion, which is equipped with, resets screw thread 2-5, resets and is arranged with knob 2-6 outside screw thread 2-5, the body of rod 2-1 is arranged in drill bushing 4.

Specific steps are as follows: patient tissue is cut a small opening, steel plate 1 is implanted to femur from small opening Surface, through the irradiation of X-ray, if the implantation position of steel plate 1 is correct, at the corresponding patient tissue of 1 through-hole 1-1 of steel plate Discrete notch is done, the vertical extension end 3-2 of lockplate 3 is implanted into from small opening, the bolt 8 for being cased with nut 9 is passed through perpendicular Bolt hole 6 into extension end 3-2 is tightened onto one 1-2 of threaded hole on steel plate 1, and screws locking with nut 9, realizes steel plate 1 and lockplate 3 connection, then by the irradiation of X-ray, since lockplate 3 is carbon fibre materials, which can under X-ray Whether the drill bushing hole 5 of light transmission, observation lockplate 3 is aligned one by one with the through-hole 1-1 on steel plate 1, is arranged drill bushing 4 one by one after alignment In drill bushing hole 5, and make the through-hole 1-1 of 4 end contact steel plate 1 of drill bushing, in the drill bushing 4 of that opposite one end of bolt 8, is inserted in Tapping lifts the body of rod 2-1 of restorer 2, and rotating handle 2-2 moves downward body of rod 2-1, and the drill bit 2-3 on head passes through steel plate Through-hole 1-1 on 1 carries out prebored hole to femur, and subsequent screw tap 2-4 then carries out tapping to prebored hole, after the completion of tapping, rotation Rotate button 2-6 and move downward it and push against drill bushing 4, due to being pressed down against for knob 2-6 so that drill bushing 4, steel plate 1, femur away from From becoming smaller, to generate the active force lifted upwards to femur, fracture is promoted to reset, while steel plate 1 and femur are bonded It obtains more preferably, at this point, the end both ends 3-1 that protrude horizontally up to lockplate 3 are all fixed, as shown in figure 9, enabling another group of tapping again It lifts restorer 2 to carry out prebored hole to position among femur, tapping, reset lifting, then screws out tapping lifting restorer 2 and bore Set 4, since the specification of screw tap 2-4 and the screw thread specification of pedicle screw are consistent, can directly at tapping pedicle screw, such as Shown in Figure 10, connect steel plate with femur firm, after the screw to middle is all implanted into, as shown in figure 11, then by end The tapping lifting restorer 2 in portion screws out, and drill bushing 4 takes out, and the pedicle screw at tapping finally removes 8 He of bolt as shown in figure 12 Nut 9 dismantles lockplate 3, by the small opening of operation and discrete myometrial suture.

Another embodiment according to the present utility model further comprises the spiral shell of the vertical extension end 3-2 of the lockplate 3 There are three the ball bumps 10 of circumference uniform distribution for 6 peripheral hardware of keyhole, form pre-determined bit, keep the threaded hole one on bolt 8 and steel plate 1 quick And it accurately connects.

Another embodiment according to the present utility model further comprises that the drill bushing hole 5 of the lockplate 3 is equipped with side Shape stepped hole 11,4 outer circle of drill bushing are equipped with corresponding square flat 4-1, and square flat 4-1 and rectangular stepped hole 11 cooperate, can be with Play the role of preventing drill bushing 4 from rotating.

Another embodiment according to the present utility model further comprises that 3 side wall of lockplate is equipped with threaded hole two 12, threaded hole 2 12 is passed through with 5 phase of drill bushing hole, and fastening screw 13 is screwed into threaded hole 2 12 and fastens drill bushing 4, can be further Drill bushing 4 is locked, its play is prevented.

Another embodiment according to the present utility model further comprises, the lockplate 3 protrude horizontally up end 3-1 and Vertical extension end 3-2 is split type structure, and the two is connected by screw 14, pin 15, and dismountable separate structure is easy to process Manufacture.

Another embodiment according to the present utility model further comprises also being provided on the locating piece 7 of the lockplate 3 Drill bushing hole 5, the corresponding position of steel plate 1 also are provided with through-hole 1-1, can use tapping lifting restorer 2 to the corresponding stock of locating piece 7 It is wide that operation, the applicabilities such as prebored hole, tapping, reset lifting, pedicle screw are carried out at bone.

It is described above to be merely exemplary for the utility model, and not restrictive, those of ordinary skill in the art Understand, in the case where not departing from spirit and scope as defined in the appended claims, many modifications can be made, change or wait Effect, but all will fall within the protection scope of the utility model.

Claims (6)

1. a kind of femur Minimally Invasive Surgery instrument, the steel plate (1) comprising implanted femur surface, at least two groups tapping lift restorer (2), lockplate (3), drill bushing (4), bolt (8) and nut (9), characterized in that it is logical that the steel plate (1) is equipped at least three above Hole (1-1), steel plate (1) one end are equipped with threaded hole one (1-2), and lockplate (3) material is carbon fiber, are in inverted L shape, horizontal Extension end (3-1) is equipped with drill bushing corresponding with through-hole (1-1) hole (5), is equipped with and threaded hole one in vertical extension end (3-2) (1-2) corresponding bolt hole (6), end are equipped with locating piece (7), and the locating piece (7) touches steel plate (1), the bolt (8) It is screwed into threaded hole one (1-2) across bolt hole (6) and locks to connect steel plate (1) and lockplate (3) by nut (9) Fixation is connect, the drill bushing (4) is sheathed in drill bushing hole (5), and the through-hole (1-1) of drill bushing (4) end contact steel plate (1) is described to attack Silk lifting restorer (2) includes the body of rod (2-1) and the handle (2-2) for being fixed on the one end the body of rod (2-1), the body of rod (2-1) head Portion is equipped with drill bit (2-3), and drill bit (2-3) is equipped with screw tap (2-4) below, and the body of rod tail portion (2-1), which is equipped with, resets screw thread (2-5), multiple It is arranged with knob (2-6) outside position screw thread (2-5), the body of rod (2-1) is set in drill bushing (4).

2. femur Minimally Invasive Surgery instrument according to claim 1, characterized in that the vertical extension end (3- of the lockplate (3) 2) there are three the ball bumps (10) of circumference uniform distribution for bolt hole (6) peripheral hardware.

3. femur Minimally Invasive Surgery instrument according to claim 1, characterized in that on the drill bushing hole (5) of the lockplate (3) Equipped with rectangular stepped hole (11), drill bushing (4) outer circle is equipped with corresponding square flat (4-1).

4. femur Minimally Invasive Surgery instrument according to claim 3, characterized in that lockplate (3) side wall is equipped with spiral shell Pit two (12), threaded hole two (12) are mutually passed through with drill bushing hole (5), and fastening screw (13) is screwed into drill bushing in threaded hole two (12) (4) it fastens.

5. femur Minimally Invasive Surgery instrument according to claim 4, characterized in that the lockplate (3) protrudes horizontally up end (3-1) and vertical extension end (3-2) is split type structure, and the two is connected by screw (14), pin (15).

6. femur Minimally Invasive Surgery instrument according to claim 1, characterized in that on the locating piece (7) of the lockplate (3) It also is provided with drill bushing hole (5), the corresponding position of steel plate (1) also is provided with through-hole (1-1).