CN115644982A - Surgical bone drill guide - Google Patents
Surgical bone drill guide Download PDFInfo
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- CN115644982A CN115644982A CN202211368963.8A CN202211368963A CN115644982A CN 115644982 A CN115644982 A CN 115644982A CN 202211368963 A CN202211368963 A CN 202211368963A CN 115644982 A CN115644982 A CN 115644982A
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- semicircular
- arc
- shaped
- guide
- shaped groove
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Abstract
The invention discloses an operation bone drill guider, which comprises a base, an arc-shaped groove, positioning round pipes, an adjusting bracket, a fan-shaped annular sliding block and a guiding pipe, wherein a high-density metal block which is arranged in an embedded mode is arranged inside the base, the arc-shaped groove is arranged in the middle of the upper end face of the base, the upper end faces of the base at two sides of the arc-shaped groove are respectively provided with one positioning round pipe, and the two positioning round pipes are arranged in a left-right symmetrical mode by taking the arc-shaped groove as a symmetrical axis. The invention has simple structure and reasonable design, can stabilize the guider and simultaneously ensure that the relative position between the guider and the human body wound is directly limited, thereby improving the stability of fixation between the guider and the human body wound and further improving the drilling efficiency of the skeleton at the wound.
Description
[ technical field ] A
The invention relates to the technical field of medical instruments, in particular to the technical field of a surgical bone drill guide.
[ background ] A method for producing a semiconductor device
In the process of an orthopedic surgery, a corresponding bone drill is frequently needed to be used for drilling a hole in bone tissue in a designated area, and since the position of the drilled hole needs to be kept accurate in the surgery process, a corresponding guide needs to be used for auxiliary positioning, but the existing bone drill guide has the following problems in practical use:
the existing guider is roughly composed of a bracket and a cylindrical structure through which a drill bit can pass, the bracket is fixed on the side of a wound when the guider is used, and the angle of the bracket is adjusted to enable the guiding tube and the wound to be mutually positioned.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides an operation bone drill guide, which can be used for stabilizing the guide and simultaneously directly limiting the relative position between the guide and a human body wound, so that the stability of fixation between the guide and the human body wound is improved, and the drilling efficiency of bones at the wound is further improved.
In order to achieve the purpose, the invention provides a surgical bone drill guide device, which comprises a base, an arc-shaped groove, positioning circular tubes, an adjusting bracket, a fan-shaped circular ring-shaped sliding block and a guide tube, wherein a high-density metal block is arranged in the base in an embedded manner, the arc-shaped groove is arranged in the middle of the upper end surface of the base, the upper end surfaces of the base at two sides of the arc-shaped groove are respectively provided with one positioning circular tube, the two positioning circular tubes are symmetrically arranged in a left-right manner by taking the arc-shaped groove as a symmetry axis, the two positioning circular tubes are coaxial, the adjusting bracket comprises a first limiting nut, a first limiting bolt, a first hand wheel, a semi-circular ring metal bracket, a semi-circular ring sliding rail and a fan-shaped circular ring-shaped through hole, one side of the positioning circular tube, which is close to the arc-shaped groove, the first limiting bolt penetrates through the inner hole of the positioning circular tube, the first limiting bolt is screwed into the inner hole of the first limiting nut, the head part of the first limiting bolt is provided with the first hand wheel, two semicircular ring metal supports are arranged between the two first limiting nuts, the left ends and the right ends of the two semicircular ring metal supports are fixed at the top ends of the limiting nuts on the corresponding sides, the front ends and the back ends of the two semicircular ring metal supports are in parallel symmetry, the two semicircular ring metal supports are in bilateral symmetry by taking the arc-shaped grooves as symmetry axes, the front end surface of the front semicircular ring metal support and the back end surface of the back semicircular ring metal support are both provided with semicircular ring sliding rails sharing the center of circle, the two semicircular ring sliding rails are in parallel symmetry, the front end surface of each semicircular ring metal support is provided with a fan-shaped circular through hole sharing the center of circle, the two fan-shaped circular through holes are in parallel symmetry, the outer edges of the two semicircular ring metal supports are provided with fan-shaped circular sliding blocks matched with the semicircular ring sliding rails, the inner ring wall of each fan-shaped circular sliding block is provided with two first sliding grooves, the two first sliding grooves correspond to the two semicircular ring metal supports one by one, and the first sliding grooves clamp the corresponding semicircular ring metal supports, the wall of the first sliding groove is provided with a second sliding groove, the second sliding groove corresponds to the semicircular sliding rails one by one, the semicircular sliding rails are clamped into the second sliding grooves, the left end and the right end of each sector-shaped circular sliding block are respectively provided with a locking hole, the two ends of each locking hole are provided with internal threads, each locking hole penetrates through two sector-shaped circular through holes, each locking hole is internally screwed with one locking screw, one end of each locking screw is fixedly provided with a second hand wheel, the outer annular wall of each sector-shaped circular sliding block between the two locking holes is provided with a radially-arranged guide tube installation screw hole, each guide tube installation screw hole is arranged between the two semicircular metal supports, each guide tube installation screw hole is provided with a guide tube, and the outer wall of each guide tube is provided with external threads matched with each guide tube installation screw hole.
Preferably, a layer of soft cushion is arranged on the wall of the arc-shaped groove.
Preferably, the first limiting nut and the first hand wheel clamp the positioning circular tube.
Preferably, the first limiting bolt can freely rotate and axially move in the inner hole of the positioning circular tube, the length of the first limiting bolt is smaller than that of the positioning circular tube, and anti-skid grains are arranged on the left end face and the right end face of the positioning circular tube, the end face of the first limiting nut far away from the arc-shaped groove, and the end face of the first hand wheel close to the arc-shaped groove.
Preferably, the axis of the locking hole is parallel to the axis of the arc-shaped groove, internal threads at two ends of the locking hole are respectively arranged on the front side and the rear side of the two semicircular metal supports, and external threads matched with the locking hole in a threaded mode are arranged at one end, far away from the second hand wheel, of the locking screw.
Preferably, the semicircular metal support, the semicircular slide rail, the fan-shaped circular through hole and the fan-shaped circular slide block share one circle center.
Preferably, the external thread of the guide tube is arranged at the lower end of the guide tube, and the upper end of the guide tube is provided with a limiting ring.
The invention has the beneficial effects that: the invention has simple structure and reasonable design, can stabilize the guider and simultaneously ensure that the relative position between the guider and the wound of the human body is directly limited, thereby improving the stability of fixation between the guider and the wound of the human body and further improving the drilling efficiency of the skeleton at the wound; the relative position between the arm (or the leg and the head) and the guider is directly limited by the matching of the arc-shaped groove and the medical adhesive tape, so that the situation that the arm (or the leg and the head) and the guider both need to be adjusted due to one side deviation when the positions of the arm (or the leg and the head) and the guider are separately limited is prevented, the fixing stability between the guider and the wound of the human body is improved, and the drilling efficiency of the skeleton at the wound is further improved; the guide pipe can be adjusted in multiple angles by arranging the semicircular metal support which can be adjusted in a rotating mode, the fan-shaped annular slide block which can slide along the semicircular slide rail and the guide pipe mounting screw holes which are arranged in the radial direction, and the guide pipe can guide and position a bone drill on a bone drill part as long as a cut and the bone drill part are arranged upwards; the friction between first stop nut, first hand wheel, the location pipe can be strengthened to the antiskid line, makes first stop nut, first hand wheel press from both sides after tight location pipe, and first stop nut is difficult for rotating, and then makes after the semicircle ring metal support is fixed more stable.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front schematic view of the surgical bone drill guide of the present invention;
FIG. 2 is a partial structural view of the locking hole portion of the surgical bone drill guide of the present invention in a right side view;
fig. 3 is a partial structure diagram of the right section of the guide tube mounting screw hole of the surgical bone drill guide according to the present invention.
[ detailed description ] embodiments
Referring to fig. 1, 2 and 3, the surgical bone drill guide of the present invention comprises a base 1, an arc-shaped groove 11, a positioning circular tube 12, an adjusting bracket 2, a fan-shaped circular slider 3 and a guide tube 4, wherein an embedded high-density metal block 10 is arranged inside the base 1, the arc-shaped groove 11 is arranged in the middle of the upper end surface of the base 1, the positioning circular tubes 12 are respectively arranged on the upper end surfaces of the base 1 at both sides of the arc-shaped groove 11, the two positioning circular tubes 12 are symmetrically arranged left and right with the arc-shaped groove 11 as a symmetry axis, and the two positioning circular tubes 12 are coaxial, the adjusting bracket 2 comprises a first limit nut 21, a first limit bolt 211, a first hand wheel 212, a semicircular metal bracket 22, a semicircular sliding rail 221 and a fan-shaped circular through hole 222, the first limit nut 21 is arranged on one side of the positioning circular tube 12 close to the arc-shaped groove 11, the first limit bolt 211 passes through the inner hole of the positioning circular tube 12, the first limit bolt 211 is screwed into the inner hole of the first limit nut 21, the head of the first limit bolt 211 is provided with a first hand wheel 212, two semicircular metal brackets 22 are arranged between the two first limit nuts 21, the left and right ends of the two semicircular metal brackets 22 are fixed on the top ends of the limit nuts 21 on the corresponding sides, the front and back directions of the two semicircular metal brackets 22 are parallel and symmetrical, the two semicircular metal brackets 22 are left and right symmetrical by taking the arc-shaped groove 11 as a symmetrical axis, the front end surface of the front semicircular metal bracket 22 and the back end surface of the back semicircular metal bracket 22 are respectively provided with a semicircular slide rail 221 with a common center, the two semicircular slide rails 221 are parallel and symmetrical, the front end surface of each semicircular metal bracket 22 is provided with a circular sector through hole 222 with a common center, the two circular sector through holes 222 are parallel and symmetrical, the outer edges of the two semicircular metal brackets 22 are provided with circular sector slide blocks 3 matched with the semicircular slide rails 221, the inner annular wall of the fan-shaped circular ring-shaped sliding block 3 is provided with two first sliding grooves 31, the two first sliding grooves 31 correspond to the two semicircular ring metal supports 22 one by one, the first sliding grooves 31 clamp the corresponding semicircular ring metal supports 22, the wall of the first sliding groove 31 is provided with a second sliding groove 311, the second sliding groove 311 corresponds to the semicircular ring sliding rail 221 one by one, the semicircular ring sliding rail 221 is clamped into the second sliding groove 311, the left end and the right end of the fan-shaped circular ring-shaped sliding block 3 are both provided with a locking hole 32, both ends of the locking hole 32 are provided with internal threads, the locking hole 32 penetrates through the two fan-shaped circular ring-shaped through holes 222, each locking hole 32 is screwed with a locking screw 321, one end of each locking screw 321 is fixed with a second hand wheel 322, the outer annular wall of the fan-shaped circular ring-shaped sliding block 3 between the two locking holes 32 is provided with a guide pipe installation screw hole 33 which is radially arranged, the guide pipe installation screw hole 33 is arranged between the two semicircular ring metal supports 22, an inner hole 33 is provided with a guide pipe 4, and the outer wall of the guide pipe 4 is provided with external threads 41 which are matched with the guide pipe installation screw hole 33.
Wherein, a layer of soft cushion 110 is arranged on the wall of the arc-shaped groove 11.
The first limiting nut 21 and the first hand wheel 212 clamp the positioning round tube 12.
Wherein, first limit bolt 211 can be in 12 hole free rotations in location pipe and axial displacement, and first limit bolt 211 length is less than 12 lengths in location pipe, and terminal surface, the terminal surface that first limit nut 21 kept away from arc wall 11 about 12 in location pipe, first hand wheel 212 all are equipped with anti-skidding line 1201 near the terminal surface of arc wall 11.
The axis of the locking hole 32 is parallel to the axis of the arc-shaped groove 11, the internal threads at the two ends of the locking hole 32 are respectively arranged at the front side and the rear side of the two semicircular metal brackets 22, and the external threads in threaded fit with the locking hole 32 are arranged at one end of the locking screw 321, which is far away from the second hand wheel 322.
The semicircular metal bracket 22, the semicircular slide rail 221, the fan-shaped circular through hole 222 and the fan-shaped circular slide block 3 share a circle center.
Wherein, the external thread 41 of the guide tube 4 is arranged at the lower end of the guide tube 4, and the upper end of the guide tube 4 is provided with a limit ring 42.
The working process of the invention is as follows:
the surgical bone drill guide is used in the working process;
the first step is as follows: placing the base 1 on an operating table, rotating and disassembling the first limiting bolt 211, then moving away, and moving away the semi-circular metal bracket 22;
the second step is that: placing the arm (or leg, head) part to be operated in the arc-shaped groove 11, wherein the depth of the arc-shaped groove 11 needs to be less than the radius of the arm, placing the part to be operated upwards, then operating the focus part, further fixing the arm (or leg, head) at the two ends of the focus on the base 1 through a medical adhesive tape after the operation is finished, for example, respectively adhering the two ends of the adhesive tape to the left and right sides of the arc-shaped groove 11, because the depth of the arc-shaped groove 11 needs to be less than the radius of the arm, pressing down the middle part of the adhesive tape and adhering the arm (or leg, head), and fixing the arm (or leg, head);
the third step: then, the semicircular ring metal support 22 and the first limiting bolt 211 are reset, the angle of the semicircular ring metal support 22 is adjusted according to the cut before the first limiting nut 21 and the first hand wheel 212 clamp the positioning circular tube 12, and then the first limiting bolt 211 is screwed down to enable the first limiting nut 21 and the first hand wheel 212 to clamp the positioning circular tube 12;
the fourth step: the locking screw rod 321 is unscrewed, so that the fan-shaped annular slide block 3 can slide on the semicircular slide rail 221, and then the position of the fan-shaped annular slide block 3 is adjusted according to the cut, so that the guide tube installation screw hole 33 of the fan-shaped annular slide block 3 is opposite to the part, needing drilling, of the bone in the cut;
the fifth step: selecting a guide tube 4 with a proper length according to the angle of the semicircular ring metal support 22, screwing the guide tube 4 into the guide tube mounting screw hole 33, if slight length deviation exists after the guide tube 4 is mounted, adding a plurality of annular gaskets on the guide tube 4 between the limiting ring 42 and the upper end face of the guide tube mounting screw hole 33 for length fine adjustment, pressing the limiting ring 42 on the upper end face of the guide tube mounting screw hole 33 or the upper end face of the gasket after the guide tube 4 is mounted, and screwing the direction of the guide tube 4 is the same as the rotating direction of a bone drill;
and a sixth step: the drill head of the bone drill is guided through the inner bore of the guide tube 4, the bone drill starts drilling, and after the drilling is completed, the guide is removed.
The invention has simple structure and reasonable design, can stabilize the guider and simultaneously ensure that the relative position between the guider and the human body wound is directly limited, thereby improving the stability of fixation between the guider and the human body wound and further improving the drilling efficiency of the skeleton at the wound; the relative position between the arm (or the leg and the head) and the guider is directly limited by the matching of the arc-shaped groove 11 and the medical adhesive tape, so that the situation that the arm (or the leg and the head) and the guider need to be adjusted due to one side deviation when the positions of the arm (or the leg and the head) and the guider are separately limited is prevented, the fixing stability between the guider and the human body wound is improved, and the drilling efficiency of the skeleton at the wound is further improved; the semicircular metal support 22 capable of being adjusted in a rotating mode, the fan-shaped annular sliding block 3 capable of sliding along the semicircular sliding rail 221 and the guide pipe mounting screw holes 33 arranged in the radial direction are arranged, so that the guide pipe 4 can be adjusted in multiple angles, and as long as a cut and a bone drilling part are arranged upwards, the guide pipe 4 can guide and position a bone drill on the bone drilling part; anti-skidding line 1201 can strengthen the frictional force between first stop nut 21, first hand wheel 212, the location pipe 12, makes first stop nut 21, first hand wheel 212 press from both sides tight location pipe 12 after, first stop nut 21 is difficult for rotating, and then makes after the semicircle ring metal support 22 is fixed more stable.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (7)
1. Operation bone drill guide, its characterized in that: comprises a base (1), an arc-shaped groove (11), positioning round pipes (12), an adjusting bracket (2), a fan-shaped circular ring-shaped sliding block (3) and a guide pipe (4), wherein a high-density metal block (10) which is arranged in an embedded manner is arranged inside the base (1), the arc-shaped groove (11) is arranged in the middle of the upper end surface of the base (1), the upper end surfaces of the bases (1) at two sides of the arc-shaped groove (11) are respectively provided with one positioning round pipe (12), the two positioning round pipes (12) are arranged in a bilateral symmetry manner by taking the arc-shaped groove (11) as a symmetry axis, the two positioning round pipes (12) are coaxial, the adjusting bracket (2) comprises a first limiting nut (21), a first limiting bolt (211), a first hand wheel (212), a semicircular metal bracket (22), a semicircular sliding rail (221) and a fan-shaped through hole (222), one side of each positioning round pipe (12) close to the arc-shaped groove (11) is provided with a first limiting nut (21), the inner hole of the first limiting bolt (211) penetrates through the positioning round pipe (12) to be screwed in, the first limiting nut (211) is arranged in the inner hole of the first limiting bolt (211), the first limiting nut (21) and the first limiting bolt (211) is arranged between the two semicircular metal bracket (21) and the two semicircular bracket (22) at the top end of the two semicircular bracket (22), the two semicircular metal supports (22) are in parallel symmetry in the front-back direction, the two semicircular metal supports (22) are in bilateral symmetry by taking an arc-shaped groove (11) as a symmetry axis, the front end face of the front semicircular metal support (22) and the rear end face of the rear semicircular metal support (22) are respectively provided with a semicircular slide rail (221) with a common center, the two semicircular slide rails (221) are in parallel symmetry, the front end face of each semicircular metal support (22) is provided with a circular sector-shaped circular through hole (222) with a common center, the two circular sector-shaped circular through holes (222) are in parallel symmetry, the outer edges of the two semicircular metal supports (22) are provided with circular sector-shaped circular sliders (3) matched with the semicircular slide rails (221), the inner ring wall of each circular sector-shaped slider (3) is provided with two first sliding grooves (31), the two first sliding grooves (31) correspond to the two semicircular metal supports (22) one by one, the first sliding grooves (31) clamp the corresponding semicircular metal supports (22), the wall of each first sliding groove (31) is provided with a second sliding groove (311), the second sliding groove (221) corresponds to the two locking holes (32) are respectively arranged at the two ends of each of the circular sector-shaped sliding circular sector-shaped sliding chute (32), a locking screw (321) is screwed in each locking hole (32), a second hand wheel (322) is fixed at one end of each locking screw (321), guide pipe installation screw holes (33) which are radially arranged are formed in the outer ring wall of the sector annular sliding block (3) between the two locking holes (32), the guide pipe installation screw holes (33) are formed between the two semicircular metal supports (22), guide pipes (4) are arranged in the inner holes of the guide pipe installation screw holes (33), and external threads (41) matched with the guide pipe installation screw holes (33) are formed in the outer pipe wall of each guide pipe (4).
2. The surgical bone drill guide of claim 1, wherein: a layer of soft cushion (110) is arranged on the wall of the arc-shaped groove (11).
3. The surgical bone drill guide of claim 1, wherein: the first limiting nut (21) and the first hand wheel (212) clamp the positioning round pipe (12).
4. The surgical bone drill guide of claim 1, wherein: first spacing bolt (211) can be in location pipe (12) hole free rotation and axial displacement, and first spacing bolt (211) length is less than location pipe (12) length, and terminal surface, the terminal surface that arc wall (11) were kept away from in terminal surface, first stop nut (21) about location pipe (12), first hand wheel (212) are close to the terminal surface of arc wall (11) and all are equipped with anti-skidding line (1201).
5. The surgical bone drill guide of claim 1, wherein: the axis of the locking hole (32) is parallel to the axis of the arc-shaped groove (11), internal threads at two ends of the locking hole (32) are respectively arranged on the front side and the rear side of the two semicircular metal supports (22), and external threads in threaded fit with the locking hole (32) are arranged at one end, far away from the second hand wheel (322), of the locking screw (321).
6. The surgical bone drill guide of claim 1, wherein: the semicircular metal support (22), the semicircular slide rail (221), the fan-shaped circular through hole (222) and the fan-shaped circular slide block (3) share one circle center.
7. The surgical bone drill guide of claim 1, wherein: the external thread (41) of the guide tube (4) is arranged at the lower end of the guide tube (4), and the upper end of the guide tube (4) is provided with a limiting ring (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211368963.8A CN115644982A (en) | 2022-11-03 | 2022-11-03 | Surgical bone drill guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211368963.8A CN115644982A (en) | 2022-11-03 | 2022-11-03 | Surgical bone drill guide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115644982A true CN115644982A (en) | 2023-01-31 |
Family
ID=84994487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211368963.8A Pending CN115644982A (en) | 2022-11-03 | 2022-11-03 | Surgical bone drill guide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115644982A (en) |
-
2022
- 2022-11-03 CN CN202211368963.8A patent/CN115644982A/en active Pending
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