CN109316234B - Orthopaedics guide device combination - Google Patents

The invention discloses an orthopaedics guide device combination, which comprises a fixed needle, at least two guide frames, a plurality of guide pipes and a plurality of positioning needles, wherein the inner diameters of the guide pipes are different from each other, the guide frames are semicircular, the diameters of the semicircles on the guide frames are different from each other, one end of each guide frame is provided with a first through hole, the first through hole is used for installing the fixed needle, the other end of each guide frame is provided with a second through hole, the axes of the first through hole and the second through hole are collinear, a plurality of third through holes are arranged on the guide frames along the direction from one end to the other end, and the central axes of the third through holes and the central axes of the first through holes are converged at one point. The invention designs a plurality of guide frames with different sizes, is suitable for limb orthopedic operations with different thicknesses, designs a plurality of guide pipes with different inner diameters, and is suitable for Kirschner wires or drills with different specifications. The invention has wide applicability and convenient operation, and can be widely applied to the technical field of orthopedics medical treatment.

Orthopaedics guide device combination

Technical Field

The invention relates to the technical field of orthopedics, in particular to an orthopaedics guide device combination.

Background

The orthopedic needle threading fixation technology is a common orthopedic clinical operation technology, in actual clinical operation, an operator mainly relies on experience and hand feeling to drill or thread needles, the variability is large, the mastering of any dimension is not good, the needle outlet point is difficult to be accurate, adjacent important tissues can be damaged, the operation time is prolonged, the fixation effect is influenced, and even serious complications are caused.

Disclosure of Invention

The technical problem to be solved by the invention is to provide an orthopedic guide combination, which can select orthopedic guide instruments with different specifications according to the operation requirement.

The technical scheme adopted for solving the technical problems is as follows:

The utility model provides an orthopedics director combination, including the fixed needle, at least two leading truck, a plurality of stand and a plurality of pilot tube, the internal diameter of each stand is different each other, each stand is the semicircle shape, the diameter of semicircle is different each other on each stand, the one end of each stand all shaping has first through-hole, first through-hole is used for installing the fixed needle, the other end of each stand all shaping has the second through-hole, the axis collineation of first through-hole and second through-hole, a plurality of third through-hole has been arranged along the direction of one end to the other end on the stand, the central axis of each third through-hole and the central axis of first through-hole collect in a bit.

Further, the diameter of the second through hole, the diameter of each third through hole, the outer diameter of each guide tube and the diameter of each positioning needle are equal.

Further, the side walls of the first through hole, the second through hole and each third through hole are respectively formed with a fourth through hole for installing a locking screw.

Further, the side wall of the fixed needle and/or the outer wall of the guide tube are/is formed with locking planes for the locking screws to prop against.

Further, the included angles of the axes of the adjacent two third through holes are the same.

Further, the included angle between the axis of the second through hole and the axes of the adjacent third through holes is equal to the included angle between the axes of the adjacent two third through holes.

Further, the section of the guide frame is rectangular.

Further, the position of the needle point of the fixed needle is the intersection point of the central axis of the third through hole and the central axis of the first through hole.

The beneficial effects are that: the invention designs a plurality of guide frames with different sizes, is suitable for limb orthopedic operations with different thicknesses, designs a plurality of guide pipes with different inner diameters, and is suitable for Kirschner wires or drills with different specifications. In the orthopedic surgery, a proper guide tube and guide frame can be selected according to the requirements. The invention has wide applicability and convenient operation, and can be widely applied to the technical field of orthopedics medical treatment.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a structural diagram of the present invention.

Detailed Description

The invention is further described below with reference to fig. 1 and 2.

The orthopedic guide assembly comprises a fixed needle 20, at least two guide frames 10, a plurality of guide pipes 30 and a plurality of positioning needles, wherein the guide frames 10 are semicircular, and the diameters of the guide frames 10 are different from each other. In this embodiment, the number of the guide frames 10 is three, and the diameters of the guide frames are 100mm, 150mm and 200mm, so that the guide frames can be suitable for limbs with different positions and different thicknesses.

In this embodiment, the outlet end of the guiding tube 30 is in a tooth structure, which can be tightly attached to the bone surface, so as to avoid the deviation in the guiding process.

In this embodiment, the positioning needle has a plurality of lengths. The number of the positioning needles is eight, and the lengths of the positioning needles are different.

One end of the guide frame 10 is formed with a first through hole for mounting the fixing needle 20, and the other end of the guide frame 10 is formed with a second through hole, the axes of which are collinear. The diameter of the second through hole, the outer diameter of the guide tube 30 and the diameter of the positioning needle are equal, and in this embodiment, the diameter of the second through hole is 5.0mm.

A plurality of third through holes 13 are arranged on the guide frame 10 along the direction from one end to the other end, the specifications of the third through holes 13 and the second through holes are the same, and the central axis of each third through hole 13 and the central axis of the first through hole are converged at one point. In this embodiment, the third through holes 13 are sequentially arranged along the direction from the end of the second through hole to the end of the first through hole on the guide frame 10.

The orthopaedics guide device can realize opposite straight drilling and multi-angle oblique drilling.

In this embodiment, the side of the fixed needle 20 is marked with a scale, which starts from the tip of the fixed needle 20. When the fixed needle scale is placed at 30mm (i.e. the length of the needle point of the fixed needle 20 penetrating through the first through hole is 30 mm), the position of the needle point of the fixed needle 20 is the intersection point of the central axis of the third through hole 13 and the central axis of the first through hole, i.e. the position of the needle point of the fixed needle 20 is the positioning point.

In this embodiment, the second and third through holes 13 may be used for inserting both a positioning needle and a guide tube 30, the guide tube 30 being used for inserting a k-wire 40 or a drill. Therefore, the diameter of the second through hole, the diameter of each third through hole 13, the outer diameter of the guide tube 30, and the diameter of the positioning needle are equal, and the diameter of the second through hole is set to 5.0mm.

The side walls of the first through hole, the second through hole and each third through hole 13 are respectively formed with a fourth through hole 14 for installing a locking screw 15, and the side wall of the fixed needle 20 and/or the outer wall of the guide tube 30 are respectively formed with a locking plane for the locking screw 15 to prop against. In this embodiment, the side wall of the fixing needle 20 and the outer wall of the guide tube 30 are both formed with locking planes.

The number of the guide pipes 30 is two or more, and the inner diameters of the guide pipes 30 are different from each other. In this embodiment, the number of guide tubes 30 is ten, and the guide tubes have two length specifications of 34mm and 54mm, and the guide tubes under each length specification have five inner diameter specifications: 1.0mm, 1.5mm, 2.0mm, 2.5mm and 3.5mm, and can be applied to Kirschner wires 40 and drills of different specifications.

In this embodiment, one end of the guide tube 30 is formed as a toothed port, which is the exit end of the k-wire 40 or drill bit.

In this embodiment, the number of the third through holes 13 is nine, the included angles of the axes of two adjacent third through holes 13 are the same, and the included angle between the axis of the second through hole and the axis of the adjacent third through hole 13 is equal to the included angle between the axes of two adjacent third through holes 13, and the included angle is 10 °.

In this embodiment, the cross section of the guide frame 10 is rectangular, and in other embodiments, the guide frame may be circular.

In this embodiment, the guide frame 10, the guide tube 30, the positioning needle, the kirschner wire 40 and the drill bit can be freely selected according to the requirements of the orthopedic reduction operation, the guide frame is suitable for the threading or drilling guidance of bones at different parts of limbs, the positioning point can be freely adjusted and locked according to the thickness of soft tissues, and the guide frame with different sizes is selected and used for limbs with different sizes.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.