CN115919400A

CN115919400A - Orthopedics drilling positioner

Info

Publication number: CN115919400A
Application number: CN202211664473.2A
Authority: CN
Inventors: 崔国峰; 房亚峰; 岳辰; 张雪
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-04-07

Abstract

The invention discloses an orthopedic drilling positioning device which comprises a bottom plate, wherein a U-shaped supporting seat is fixedly arranged in the middle of the upper surface of the bottom plate, moving mechanisms are respectively arranged on the bottom plates on two sides of the supporting seat, positioning hole adjusting mechanisms are respectively arranged on the two moving mechanisms, and trunk fixing mechanisms are respectively arranged on the upper surfaces of two ends of the bottom plate; moving mechanism includes fixed plate, guide arm, jack and movable block, the fixed plate is equipped with two, and two fixed plate difference fixed mounting are in one side at bottom plate both ends, two the middle part of fixed plate opposite flank and the one end fixed connection of guide arm, this orthopedics drilling positioner can make the locating hole rotate to arbitrary position, fixes a position the apparatus of punching that inserts in the locating hole, prevents that the apparatus of punching from taking place to rock to can fix patient's body in the supporting seat, prevent that patient's body from taking place to rock and causing the skew of punching, whole easy operation, the orthopedic treatment of being convenient for location of punching uses.

Description

Orthopedics drilling positioner

Technical Field

The invention relates to the technical field of medical instruments, in particular to an orthopedic drilling positioning device.

Background

Orthopedics is one of the most common departments of various hospitals, mainly studies the anatomy, physiology and pathology of a skeletal muscle system, maintains and develops the normal form and function of the system by using medicines, operations and physical methods, when fracture treatment is performed in orthopedics, if comminuted fracture and fracture are obviously displaced, the fracture position needs to be fixed by a steel plate to achieve the purpose of healing, when femoral neck fracture operation is performed, a patient needs to be treated by the steel plate. The sliding type nail plate fixing mainly comprises steel plates with sleeves, so that the joint degree of bones is better, the application is more, and the sliding type nail plate fixing or the multi-nail fixing needs to punch holes at the fracture part and fix the steel plates through steel nails no matter single nail fixing or multi-nail fixing is carried out.

At present when fracture steel plate treatment drilling, adopt handheld drilling apparatus to drill to patient's fracture position usually, because the patient body is unset when drilling, patient's body takes place to rock easily during drilling, lead to the hole site skew of shooing, cause the influence to patient's treatment, and the handheld drilling apparatus of doctor, the drilling apparatus rocks easily when handheld, and stability is relatively poor, cause the skew of punching easily, although some orthopedics drilling auxiliary device have appeared on the market, be used for fixed patient body and inject drilling apparatus position, but its structure is complicated, operating procedure is many during fixed body, the fracture treatment of being not convenient for is used.

An orthopedics drilling positioner as application number 201810689434.5 discloses, including solid fixed splint mechanism, positioning mechanism, connecting rod and two-way screw rod, two solid fixed splint mechanism are installed oppositely, and the both ends difference movable mounting of two connecting rods is two solid fixed splint mechanism is last, and positioning mechanism movable mounting is on two connecting rods, and the both ends of two-way screw rod respectively with two gu fixed splint mechanism connects, wherein the screw thread at two-way screw rod both ends is revolved to opposite, can round trip movement on the connecting rod through positioning mechanism, and rely on the connecting rod can remove along the cyclic annular guide slot in the punch holder, make the position of positioning mechanism can be adjusted freely, and avoided the condition that positioning mechanism can not remove to need the drilling position when different positions need drill, this patent promotes the distance between two solid fixed splint mechanisms and then can be adjusted the distance between the two easily through two, make the control range of drilling position further increase through holding ring movable mounting, but its structural adoption a large amount of bolt nut's fastener, the structure is complicated, need screw up or unscrew the fastener when using, leads to operate comparatively loaded down with trivial details, is not convenient for orthopedic surgery use.

Disclosure of Invention

In view of the problems in the prior art, the invention discloses an orthopedic drilling positioning device which adopts the technical scheme that the orthopedic drilling positioning device comprises a bottom plate, wherein a U-shaped supporting seat is fixedly arranged in the middle of the upper surface of the bottom plate, moving mechanisms are respectively arranged on the bottom plates on two sides of the supporting seat, positioning hole adjusting mechanisms are respectively arranged on the two moving mechanisms, and trunk fixing mechanisms are respectively arranged on the upper surfaces of two ends of the bottom plate;

the moving mechanism comprises two fixed plates, a guide rod, jacks and a moving block, the two fixed plates are respectively and fixedly arranged on one side of two ends of the base plate, the middle parts of the opposite side surfaces of the two fixed plates are fixedly connected with one end of the guide rod, one end of the guide rod penetrates through a sliding hole in the middle part of the end surface of the moving block, the lower surface of the moving block is in contact with the upper surface of the base plate, the upper surface of the moving block, which is close to the supporting seat, is provided with the two jacks, and the arranged moving mechanism can enable the positioning hole adjusting mechanism to quickly move to a punching position on the body of a patient;

the positioning hole adjusting mechanism comprises mounting plates, two inserting rods, a worm wheel, a rotating plate, two sliding grooves, a sliding block and positioning holes, the mounting plates are L-shaped, the number of the mounting plates is two, the middle parts of the opposite side surfaces of the two mounting plates are rotatably connected with the side surfaces of the two ends of the arc-shaped rotating plate, the lower surfaces of the two mounting plates are fixedly provided with the two inserting rods, the four inserting rods are respectively inserted into the inserting holes in the two moving blocks, the sliding grooves are formed in the side surfaces of the rotating plate, the cross section of the sliding block is I-shaped, the sliding block is slidably mounted in the sliding grooves, the positioning holes are formed in the side surfaces of the middle parts of the sliding blocks, the worm wheel is rotatably mounted on the side surface of one of the mounting plates, a shaft in the middle of the end surface of the worm wheel penetrates through holes in the side surfaces of the mounting plates and is fixedly connected with the side surfaces of one end surface of the rotating plate, the two ends of the worm are rotatably connected with the protruding parts on the side surfaces of the two ends of one of the mounting plate, the worm is meshed with the worm wheel, the positioning hole adjusting mechanism, the positioning hole can rotate to any direction to position the punching instrument inserted into the positioning hole, and the punching instrument can be prevented from shaking.

As a preferred technical scheme of the invention, the trunk fixing mechanism comprises two fixing rods, a magic tape surface and a magic tape female surface, the fixing rods are U-shaped, the two fixing rods are respectively and fixedly arranged on two sides of the upper surface of one end of the bottom plate, one end of the restraining tape is fixedly connected with the side surface of the middle part of one of the fixing rods, the magic tape surface and the magic tape female surface which are matched with each other are fixedly arranged on the side surface of the movable end of the restraining tape and the side surface of the middle part of the restraining tape, and the trunk fixing mechanism can fix the body of a patient in the supporting seat to prevent the body of the patient from shaking to cause punching deflection.

As a preferable technical scheme of the invention, a hand wheel is rotatably arranged on the side surface of the protruding part at one end of the mounting plate, a shaft in the middle of the end surface of the hand wheel penetrates through a through hole in the side surface of the protruding part at one end of the mounting plate to be fixedly connected with one end of the worm, and the arranged hand wheel can enable a doctor to conveniently twist the worm to rotate, so that the operation of the doctor is facilitated.

As a preferable technical scheme of the invention, a spongy cushion is fixedly arranged in the arc-shaped groove of the supporting seat, and the arranged spongy cushion can improve the flexibility of the contact surface of the supporting seat and a patient and prevent the rigid supporting seat from damaging the patient.

As a preferred technical scheme of the present invention, a U-shaped support plate is fixedly installed on a side surface of the slider, a friction plate is slidably installed in the support plate, a middle portion of a side surface of the friction plate is rotatably connected to one end of a screw rod, the other end of the screw rod passes through a screw hole in the support plate and extends to an outer side of the support plate, the friction plate corresponds to the rotating plate, and the screw rod is arranged to drive the friction plate to move in a direction of the rotating plate after the slider is adjusted to a positioning position, so that the friction plate and the rotating plate are in contact to generate friction resistance, and the slider is prevented from being displaced when in use.

As a preferable technical scheme of the invention, one end of the screw rod, which is positioned at the outer side of the supporting plate, is fixedly provided with a knob.

As a preferred technical scheme of the present invention, a magnet plate is fixedly mounted on the lower surface of the insertion rod, an iron sheet matched with the magnet plate is fixedly mounted at the bottom of the insertion hole, and the magnet plate and the iron sheet are matched to adsorb the insertion rod inserted into the insertion hole, so as to improve the stability of the whole positioning hole adjusting mechanism.

As a preferred technical solution of the present invention, a positioning rod is slidably mounted in a through hole on an upper surface of one of the moving blocks, a limit ring is fixedly mounted on a side surface of a lower end of the positioning rod, the limit ring is located in a groove on a lower surface of the moving block, a plurality of positioning holes are formed in one side of an upper surface of the base plate, the positioning holes correspond to the positioning rods, and the positioning rods and the positioning holes are matched to fix the sliding block which is moved to a proper position.

The invention has the beneficial effects that: 1. the body of a patient can be supported through the supporting seat, the movable block can move on the guide rod along the direction of the supporting seat, the positioning hole adjusting mechanism can quickly move to a punching position on the body of the patient, the worm drives the worm wheel to rotate, the worm wheel drives the rotating plate to rotate, the positioning hole position on the rotating plate is adjusted, the sliding block can also move along the direction of the sliding groove, the positioning hole on the sliding block can rotate to any direction, the positioning hole can be perpendicular to the punching position at any position and at any angle, the punching instrument inserted into the positioning hole is positioned, the punching instrument is prevented from shaking, the body of the patient can be fixed in the supporting seat through the matching of the restraint strap, the fixing rod, the magic tape and the magic tape female surface, the body of the patient is prevented from shaking to cause punching deflection, the whole operation is simple, the punching positioning and positioning device for orthopedic treatment is convenient to use, and the positioning hole adjusting mechanism can be wholly detached from the movable block, so that the body of the patient can be conveniently placed in the supporting seat, and the use is convenient.

2. Can make the convenient wrench movement worm of doctor ability rotate through the hand wheel, the doctor's of being convenient for operation, can improve the compliance of supporting seat and patient contact surface through the foam-rubber cushion, prevent that hard supporting seat from causing the damage to the patient, can adjust the direction removal of drive friction plate to the rotor plate behind the locating position at the slider through the screw rod, thereby make friction plate and rotor plate contact production frictional resistance prevent that the slider from shifting when the location is supported, can adsorb the inserted bar that inserts in the jack through magnet board and iron sheet cooperation, improve whole locating hole adjustment mechanism's stability, can fix the movable block that removes to suitable position through locating lever and locating hole cooperation, prevent that it from taking place to slide when using.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is an enlarged view of the part A of the present invention;

FIG. 5 is a schematic view of the backside structure of the present invention;

FIG. 6 is a schematic view of the enlarged structure of the part B of the present invention.

In the figure: the device comprises a base plate 1, a support base 2, a moving mechanism 3, a fixing plate 31, a guide rod 32, an insertion hole 33, a moving block 34, a positioning hole 4 adjusting mechanism, a mounting plate 41, an insertion rod 42, a worm 43, a worm wheel 44, a rotating plate 45, a sliding groove 46, a sliding block 47, a positioning hole 48, a trunk fixing mechanism 5, a fixing rod 51, a restraint strap 52, a magic tape surface 53, a magic tape female surface 54, a handwheel 6, a spongy cushion 7, a support plate 8, a screw rod 9, a friction plate 10, a knob 11, a magnet plate 12, an iron sheet 13, a positioning rod 14, a positioning hole 15 and a limiting ring 16.

Detailed Description

Example 1

As shown in fig. 1 to 6, the invention discloses an orthopedic drilling positioning device, which adopts the technical scheme that the orthopedic drilling positioning device comprises a bottom plate 1, a U-shaped supporting seat 2 is fixedly installed in the middle of the upper surface of the bottom plate 1, moving mechanisms 3 are installed on the bottom plate 1 on two sides of the supporting seat 2, positioning hole adjusting mechanisms 4 are installed on the two moving mechanisms 3, trunk fixing mechanisms 5 are installed on the upper surfaces of two ends of the bottom plate 1, each trunk fixing mechanism 5 comprises a fixing rod 51, a restraint belt 52, a magic tape surface 53 and a magic tape female surface 54, the fixing rod 51 is U-shaped, the fixing rods 51 are provided with two fixing rods 51, the two fixing rods 51 are respectively and fixedly installed on two sides of the upper surface of one end of the bottom plate 1, one end of the restraint belt 52 is fixedly connected with the side surface of the middle of one of the fixing rod 51, and the side surface of the movable end of the restraint belt 52 and the side surface of the middle part are fixedly provided with the magic tape surface 53 and the magic tape female surface 54 which are matched with each other, so that a patient can be fixed in the supporting seat 2 to prevent the patient from shaking and drilling holes; the moving mechanism 3 comprises two fixing plates 31, a guide rod 32, jacks 33 and a moving block 34, wherein the two fixing plates 31 are respectively and fixedly arranged on one side of two ends of the base plate 1, the middle parts of the opposite side surfaces of the two fixing plates 31 are fixedly connected with one end of the guide rod 32, one end of the guide rod 32 penetrates through a sliding hole in the middle part of the end surface of the moving block 34, the lower surface of the moving block 34 is contacted with the upper surface of the base plate 1, the upper surface, close to the supporting seat 2, of the moving block 34 is provided with the two jacks 33, the moving block 34 can move on the guide rod 32 along the direction of the supporting seat 2, and the positioning hole adjusting mechanism 4 can quickly move to a punching position on the body of a patient;

the positioning hole adjusting mechanism 4 comprises mounting plates 41, two insertion rods 42, a worm 43, a worm wheel 44, a rotating plate 45, sliding grooves 46, sliding blocks 47 and positioning holes 48, wherein the mounting plates 41 are L-shaped, the number of the mounting plates 41 is two, the middle parts of the opposite side surfaces of the two mounting plates 41 are rotatably connected with the side surfaces of the two ends of the arc-shaped rotating plate 45, the lower surfaces of the two mounting plates 41 are fixedly provided with the two insertion rods 42, the four insertion rods 42 are respectively inserted into the insertion holes 33 on the two moving blocks 34, the side surface of the rotating plate 45 is provided with the sliding grooves 46, the cross section of each sliding block 47 is I-shaped, the sliding blocks 47 are slidably mounted in the sliding grooves 46, the side surface of the middle part of each sliding block 47 is provided with the positioning holes 48, the side surface of one mounting plate 41 is rotatably provided with the worm 43, the shaft in the middle part of the end surface of each worm wheel 43 penetrates through the through holes in the side surface of the mounting plates 41 to be fixedly connected with the side surface of one rotating plate 45, the two ends of the worm 43 are rotatably connected with the protruding parts in the side surfaces of one mounting plate 41, the worm 43 and meshed with the worm wheel 44, the worm wheel 44 is driven to rotate, so that the worm wheel 44 drives the rotating plate 45 to rotate, the rotating plate 44 to enable the sliding blocks 47 to move along the positioning holes to be inserted into the positioning holes 48 and move to be capable of positioning holes 48 and move to be inserted into the positioning holes 48 and move to be capable of positioning holes 48 and prevent the positioning holes 48 and move to be capable of positioning holes in any direction of positioning holes in any drilling direction of drilling equipment.

Example 2

As shown in fig. 1 to 6, a hand wheel 6 is rotatably mounted on the side surface of the protruding portion at one end of the mounting plate 41, and a shaft in the middle of the end surface of the hand wheel 6 passes through a through hole in the side surface of the protruding portion at one end of the mounting plate 41 and is fixedly connected with one end of a worm 43. A spongy cushion 7 is fixedly arranged in the arc-shaped groove of the supporting seat 2. The side of slider 47 is fixed with U-shaped backup pad 8, and slidable mounting has friction plate 10 in backup pad 8, and the middle part of friction plate 10 side is connected with the one end rotation of screw rod 9, and the screw hole that the other end passed on backup pad 8 of screw rod 9 extends to the outside of backup pad 8, and friction plate 10 corresponds with rotating plate 45. A knob 11 is fixedly arranged at one end of the screw 9 positioned at the outer side of the supporting plate 8. The magnet plate 12 is fixedly mounted on the lower surface of the insertion rod 42, and the iron piece 13 matched with the magnet plate 12 is fixedly mounted at the bottom of the insertion hole 33. The positioning rod 14 is slidably mounted in a through hole in the upper surface of one of the moving blocks 34, the limiting ring 16 is fixedly mounted on the side face of the lower end of the positioning rod 14, the limiting ring 16 is located in a groove in the lower surface of the moving block 34, a plurality of positioning holes 15 are formed in one side of the upper surface of the bottom plate 1, and the positioning holes 15 correspond to the positioning rods 14.

Can make convenient wrench movement worm 43 of doctor rotate through hand wheel 6 in this example, the operation of the doctor of being convenient for, can improve the compliance of supporting seat 2 and patient contact surface through foam-rubber cushion 7, prevent that hard supporting seat 2 from leading to the fact the damage to the patient, can drive friction plate 10 to the direction removal of rotating plate 45 after slider 47 is adjusted to the locating position through screw rod 9, thereby make friction plate 45 and rotating plate contact production frictional resistance prevent slider 47 aversion when the locating support, can adsorb the inserted bar 42 of inserting in jack 33 through magnet plate 12 and iron sheet 13 cooperation, improve the stability of whole locating hole adjustment mechanism 4, can fix the movable block 34 of removing to the suitable position through locating lever 14 and locating hole 15 cooperation, prevent that it from taking place to slide when using and taking place to slide

The working principle of the invention is as follows: the bottom plate 1 is placed at the body of a patient needing drilling, the body of the treatment part of the patient is placed in the supporting seat 2, the movable ends of the two restraint belts 52 are wound around the lower sides of the two fixing rods 51 at the other side, the movable ends of the two restraint belts 52 are pulled to the upper side of the supporting seat 2, the movable ends of the restraint belts 52 are fixed through the matching of the magic tape surfaces 53 and the magic tape female surfaces 54, so that the restraint belts 52 fix the body of the patient, the inserting rods 42 on the two mounting plates 41 are inserted into the inserting holes 33 on the two moving blocks 34, the magnet plates 12 on the inserting rods 42 are adsorbed on the iron sheets 13, the stability of the connecting parts of the mounting plates 41 and the moving blocks 34 is improved, the positioning rods 14 are lifted upwards, the lower ends of the positioning rods 14 are moved out of the positioning holes 15, the moving blocks 34 are pushed to move, the moving blocks 34 are moved to proper positions along the direction of the guide rods 32, the positioning rods 14 are loosened, the positioning rod 14 is inserted into the positioning hole 15 at a proper position, the moving block 34 is fixed, the worm 43 can be twisted according to the fracture part of the patient and the angle of the drilling position, the worm 43 drives the worm wheel 44 to rotate, the worm wheel 44 drives the rotating plate 45 to rotate, the positioning hole 48 on the rotating plate 45 is rotated to the angle suitable for drilling, the slide block 47 is pushed to move, the slide block 47 moves on the rotating plate 45 to the proper position along the direction of the chute 46, the positioning hole 48 on the slide block 47 can be adjusted to any position through the rotation of the rotating plate 45 and the arc-shaped sliding of the slide block 47 due to the arc-shaped position of the rotating plate 45, after the positioning hole 48 is adjusted, the knob 11 can be twisted, the knob 11 drives the screw rod 9 to rotate, the screw rod 9 drives the friction plate 10 to move towards the direction of the rotating plate 45, and the friction plate 10 is contacted with the rotating plate 45 to provide friction resistance, prevent that slider 47 from taking place to slide when supporting and fixing a position drilling apparatus, insert drilling apparatus in locating hole 48, make drilling apparatus's drill bit and the bone contact at patient treatment position, can treat the bone at position to the patient through drilling apparatus and drill, at the in-process of drilling, patient's body can be in supporting seat 2 by restraint band 52 constraint, can not take place to rock, drilling apparatus can drill under the support location of slider 47 and rotor plate 45, can guarantee the accuracy of drilling.

Components not described in detail herein are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims

1. The orthopedic drilling positioning device is characterized by comprising a bottom plate (1), wherein a U-shaped supporting seat (2) is fixedly mounted in the middle of the upper surface of the bottom plate (1), moving mechanisms (3) are mounted on the bottom plate (1) on two sides of the supporting seat (2), positioning hole adjusting mechanisms (4) are mounted on the two moving mechanisms (3), and trunk fixing mechanisms (5) are mounted on the upper surfaces of two ends of the bottom plate (1);

the moving mechanism (3) comprises two fixing plates (31), a guide rod (32), jacks (33) and a moving block (34), the two fixing plates (31) are respectively and fixedly installed on one side of two ends of the base plate (1), the middle parts of opposite side surfaces of the two fixing plates (31) are fixedly connected with one end of the guide rod (32), one end of the guide rod (32) penetrates through a sliding hole in the middle part of the end surface of the moving block (34), the lower surface of the moving block (34) is in contact with the upper surface of the base plate (1), and the upper surface, close to the supporting seat (2), of the moving block (34) is provided with the two jacks (33);

the positioning hole adjusting mechanism (4) comprises an installation plate (41), an inserted bar (42), a worm (43), a worm wheel (44), a rotating plate (45), a sliding groove (46), a sliding block (47) and a positioning hole (48), wherein the installation plate (41) is L-shaped, the two mounting plates (41) are arranged, the middle parts of the opposite side surfaces of the two mounting plates (41) are rotatably connected with the side surfaces at the two ends of the arc-shaped rotating plate (45), the lower surfaces of the two mounting plates (41) are fixedly provided with two insertion rods (42), the four insertion rods (42) are respectively inserted into the insertion holes (33) on the two moving blocks (34), a sliding groove (46) is formed in the side surface of the rotating plate (45), the section of the sliding block (47) is I-shaped, and the sliding block (47) is arranged in the sliding chute (46) in a sliding way, the side surface of the middle part of the sliding block (47) is provided with a positioning hole (48), a worm wheel (43) is rotatably arranged on the side surface of one of the mounting plates (41), the shaft in the middle of the end face of the worm wheel (43) passes through the through hole on the side face of the mounting plate (41) and is fixedly connected with the side face of one end of the rotating plate (45), the two ends of the worm (43) are rotatably connected with the protruding parts of the side surfaces of the two ends of one mounting plate (41), and the worm (43) is meshed with the worm wheel (44).

2. The orthopedic drill positioning device of claim 1, wherein: trunk fixed establishment (5) are including dead lever (51), about band (52), magic subsides son face (53) and magic subsides mother face (54), dead lever (51) are the U-shaped, dead lever (51) are equipped with two, and two dead lever (51) are fixed mounting respectively in the both sides of bottom plate (1) one end upper surface, the side fixed connection at the one end of about band (52) and one of them dead lever (51) middle part, the side of about band (52) expansion end and the side fixed mounting at middle part have magic subsides son face (53) and the magic subsides mother face (54) of mutually supporting.

3. An orthopedic drill positioning device as defined in claim 1, wherein: the side of the protruding part at one end of the mounting plate (41) is rotatably provided with a hand wheel (6), and a shaft in the middle of the end face of the hand wheel (6) penetrates through a through hole in the side of the protruding part at one end of the mounting plate (41) and is fixedly connected with one end of the worm (43).

4. An orthopedic drill positioning device as defined in claim 1, wherein: a spongy cushion (7) is fixedly arranged in the arc-shaped groove of the supporting seat (2).

5. The orthopedic drill positioning device of claim 1, wherein: the side fixed mounting of slider (47) has backup pad (8) of U-shaped, slidable mounting has friction plate (10) in backup pad (8), the middle part of friction plate (10) side is rotated with the one end of screw rod (9) and is connected, the screw on backup pad (8) is passed to the other end of screw rod (9) extends to the outside of backup pad (8), friction plate (10) correspond with rotor plate (45).

6. An orthopedic drill positioning device as in claim 5, wherein: and one end of the screw rod (9) positioned at the outer side of the support plate (8) is fixedly provided with a knob (11).

7. The orthopedic drill positioning device of claim 1, wherein: the lower fixed surface of inserted bar (42) installs magnet board (12), the bottom fixed mounting of jack (33) has iron sheet (13) with magnet board (12) matched with.

8. An orthopedic drill positioning device as defined in claim 1, wherein: a positioning rod (14) is slidably mounted in a through hole in the upper surface of one of the moving blocks (34), a limiting ring (16) is fixedly mounted on the side surface of the lower end of the positioning rod (14), the limiting ring (16) is located in a groove in the lower surface of the moving block (34), a plurality of positioning holes (15) are formed in one side of the upper surface of the bottom plate (1), and the positioning holes (15) correspond to the positioning rods (14).