CN215899806U

CN215899806U - Bone traction drilling positioning device

Info

Publication number: CN215899806U
Application number: CN202120976492.3U
Authority: CN
Inventors: 姜维维; 陈秀丽; 林佳
Original assignee: Taizhou Peoples Hospital
Current assignee: Taizhou Peoples Hospital
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2022-02-25
Anticipated expiration: 2031-05-08

Abstract

The utility model relates to a bone traction drilling positioning device, which is characterized in that: the device comprises a base, a positioning ring and a guide sleeve, wherein the positioning ring is fixedly arranged on the base and is used for placing the shank of a patient; the guide sleeve is arranged on the side surface of the positioning ring, a guide through hole for guiding the bone needle to penetrate through is formed in the center of the guide sleeve, the guide sleeve is used for guiding the bone needle to enter, a guide hole for guiding the bone needle to penetrate through is formed in the other side of the positioning ring, and the guide hole is coaxial with the guide through hole in the center of the guide sleeve; the positioning ring is provided with a fixing rod which can be opened or closed and is used for limiting the shank. The bone traction drilling machine is ingenious in structure and reasonable in design, enables the shank of a patient to be stable in the bone traction drilling process, and guarantees the drilling accuracy.

Description

Bone traction drilling positioning device

Technical Field

The utility model relates to an orthopedic treatment appliance, in particular to a bone traction drilling positioning device, and belongs to the technical field of medical instrument design.

Background

At present, the treatment method from the lower limb fracture of a patient to before operation is affected limb bone traction fixation, the operation of bone hitting traction mainly depends on personal experience of doctors, the puncture and positioning of bone needles depends on personal feeling, the accuracy cannot be really achieved during bone hitting traction, the positions where the bone needles penetrate out often deviate from the expected positions, and the operation of bone hitting traction of the doctors is manual operation at present, so that the time is long, the speed is slow, and the pain of the patient is severe.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a bone traction drilling positioning device which is ingenious in structure and reasonable in design, can keep the shank of a patient stable in the bone traction drilling process, and ensures the drilling accuracy.

According to the technical scheme provided by the utility model: bone traction drilling positioner, its characterized in that: the device comprises a base, a positioning ring and a guide sleeve, wherein the positioning ring is fixedly arranged on the base and is used for placing the shank of a patient; the guide sleeve is arranged on the side surface of the positioning ring, a guide through hole for guiding the bone needle to penetrate through is formed in the center of the guide sleeve, the guide sleeve is used for guiding the bone needle to enter, a guide hole for guiding the bone needle to penetrate through is formed in the other side of the positioning ring, and the guide hole is coaxial with the guide through hole in the center of the guide sleeve; the positioning ring is provided with a fixing rod which can be opened or closed and is used for limiting the shank.

As a further improvement of the utility model, the inner side surface of the bottom of the base is also provided with a lifting pad which can be detached and replaced.

As a further improvement of the utility model, the bottom of the lifting pad is provided with a positioning boss, a first magnetic part is arranged in the positioning boss, the bottom of the positioning ring is provided with a positioning groove matched with the positioning boss, and a second magnetic part matched with the first magnetic part in a magnetic way is arranged in the positioning groove.

As a further improvement of the utility model, the guide sleeve is screwed on the positioning ring and can be movably detached.

As a further improvement of the utility model, one end of the fixed rod is hinged with one side of the positioning ring, the other end of the fixed rod is provided with a connector, the inner side surface of the connector is provided with a plurality of ratchets, the outer surface of the other side of the positioning ring is provided with a clamping table which is matched with the ratchets to lock, and the outer side surface of the connector is provided with a pulling ring which is used for reversely pulling the connector to unlock.

As a further improvement of the utility model, the inner side surface of the fixed rod is provided with an elastic cushion body.

As a further improvement of the utility model, the four corners of the bottom of the base are provided with fixing bolts.

Compared with the prior art, the utility model has the following advantages:

1) the bone traction drilling machine is ingenious in structure and reasonable in design, and the positioning ring is used for placing the shank of a patient by arranging the base, the positioning ring, the guide sleeve and the fixing rod, so that the shank of the patient can be kept stable in the bone traction drilling process; the guide sleeve is used for guiding the bone needle to enter, and the guide hole is used for guiding the bone needle to penetrate out, so that the accuracy of drilling can be ensured; the fixing rod is used for limiting the lower leg, so that the lower leg of the patient can be further prevented from moving in the operation.

2) According to the utility model, the detachable and replaceable lifting pad is arranged on the inner side surface of the bottom of the base, so that the position of the shank of a patient can be adjusted by replacing the lifting pads with different thicknesses in clinical operation, and the proper position of a bone traction drilling hole is ensured, thereby being suitable for different patients with thick and thin shanks.

3) The guide sleeve in the utility model can be movably disassembled, so that the guide sleeves with different inner diameters can be replaced according to the selected specification of the bone needle, and the guide of the bone needle is ensured to be accurate and reliable.

Drawings

FIG. 1 is a front view of the structure of an embodiment of the present invention.

FIG. 2 is a top view of a structure according to an embodiment of the present invention.

Fig. 3 is an enlarged schematic view of a point a in fig. 1.

Fig. 4 is an enlarged sectional view taken at B in fig. 1.

Description of reference numerals: the device comprises a base 1, a positioning ring 2, a guide hole 2a, a positioning groove 2b, a clamping table 2c, a guide sleeve 3, a guide through hole 3a, a fixing rod 4a, a connector 4a, a ratchet 4b, a pulling ring 4c, a lifting pad 5a, a positioning boss 5a, a first magnetic part 6, a second magnetic part 7, an elastic pad 8 and a fixing bolt 9.

Detailed Description

The utility model is further illustrated by the following specific figures and examples.

As shown in fig. 1 to 4, the embodiment discloses a bone traction drilling positioning device, which comprises a base 1, a positioning ring 2, a guide sleeve 3 and a fixing rod 4, wherein the positioning ring 2 is fixedly arranged on the base 1, and the positioning ring 2 is used for placing a shank of a patient; the guide sleeve 3 is arranged on the side surface of the positioning ring 2, a pilot through hole 3a for leading a bone needle to pass through is arranged in the center of the guide sleeve 3, the guide sleeve 3 is used for leading the bone needle to enter, a leading-out hole 2a for leading the bone needle to pass out is arranged on the other side of the positioning ring 2, and the leading-out hole 2a is coaxial with the pilot through hole 3a in the center of the guide sleeve 3; the positioning ring 2 is provided with a fixing rod 4 which can be opened or closed, and the fixing rod 4 is used for limiting the shank.

During clinical use, base 1 places on the operating table, opens dead lever 4 earlier, places the shank that the patient need carry out bone traction drilling in holding ring 2, adjusts the shank to suitable position after, closes dead lever 4 and retrains spacingly to the patient shank, then inserts the spicule guide sleeve 3, squeezes in the spicule with the hammer.

In the present embodiment, as shown in fig. 1, fig. 2 and fig. 4, a removable and replaceable lifting pad 5 is further mounted on the inner side surface of the bottom of the base 1. So set up, because different patients 'shank has thickness to have carefully, can adjust patient's shank position through the pad 5 of raising of changing different thickness during clinical operation, ensure that bone traction drilling position is appropriate.

As shown in fig. 4, in this embodiment, a positioning boss 5a is disposed at the bottom of the raising pad 5, a first magnetic attraction member 6 is disposed in the positioning boss 5a, a positioning groove 2b engaged with the positioning boss 5a is disposed at the bottom of the positioning ring 2, and a second magnetic attraction member 7 magnetically engaged with the first magnetic attraction member 6 is disposed in the positioning groove 2 b. By the arrangement, the lifting pad 5 is very convenient to mount and replace through the matching of the positioning boss 5a and the positioning groove 2 b; through the cooperation of the first magnetic attraction piece 6 and the second magnetic attraction piece 7, the lifting pad 5 is very stable after being installed in place, and the accidental sliding condition cannot occur.

In this embodiment, the guiding sleeve 3 is screwed on the positioning ring 2 and can be movably detached. So set up, can change the guide sleeve 3 of different internal diameters according to the spicule specification of choosing for use, ensure that the direction of spicule is accurate reliable.

As shown in fig. 1 to 3, in this embodiment, one end of the fixing rod 4 is hinged to one side of the positioning ring 2, the other end of the fixing rod 4 is provided with a connector 4a, the inner side of the connector 4a is provided with a plurality of ratchets 4b, the outer surface of the other side of the positioning ring 2 is provided with a clamping table 2c which is matched with the ratchets 4b to lock, and the outer side of the connector 4a is provided with a pulling ring 4c for pulling the connector 4a reversely to unlock. So set up, the fixed position of dead lever 4 also can be adjusted according to patient's individual condition, ensures to fasten suitably.

As shown in fig. 1, in this embodiment, an elastic pad 8 is disposed on an inner side surface of the fixing rod 4. So set up, can improve patient's comfort level, avoid 4 rigid contacts of dead lever and weigh wounded the patient. The elastic cushion body 8 can be made of conventional materials (such as rubber, silica gel and the like) in the prior art.

As shown in fig. 1 and 2, in the present embodiment, fixing bolts 9 are provided at four corners of the bottom of the base 1. So set up, base 1 can install on the operating table through fixing bolt 9, avoids whole positioner spicule to squeeze into the in-process and takes place the displacement, ensures bone traction drilling operation safe and reliable.

The above description is only for the preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention. Various modifications and alterations may occur to those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and alterations should be accorded the broadest interpretation so as to encompass all such modifications and alterations.

Claims

1. Bone traction drilling positioner, its characterized in that: the device comprises a base (1), a positioning ring (2) and a guide sleeve (3), wherein the positioning ring (2) is fixedly arranged on the base (1), and the positioning ring (2) is used for placing the shank of a patient; the guide sleeve (3) is arranged on the side face of the positioning ring (2), a guide through hole (3a) for guiding a bone needle to pass through is formed in the center of the guide sleeve (3), the guide sleeve (3) is used for guiding the bone needle to enter, a guide-out hole (2a) for guiding the bone needle to penetrate out is formed in the other side of the positioning ring (2), and the guide-out hole (2a) is coaxial with the guide through hole (3a) in the center of the guide sleeve (3); the positioning ring (2) is provided with a fixing rod (4) which can be opened or closed, and the fixing rod (4) is used for limiting the shank.

2. The bone distraction drill positioning device of claim 1, wherein: the bottom medial surface of base (1) still installs the pad (5) of raising that can dismantle the change.

3. The bone distraction drill positioning device of claim 2, wherein: the bottom of raising pad (5) is equipped with location boss (5a), be provided with first magnetism in location boss (5a) and inhale piece (6), the bottom of holding ring (2) be equipped with the anastomotic positioning groove (2b) of location boss (5a), be equipped with in positioning groove (2b) and inhale piece (7) are inhaled to complex second magnetism with first magnetism and inhale piece (6).

4. The bone distraction drill positioning device of claim 1, wherein: the guide sleeve (3) is in threaded connection with the positioning ring (2) and can be movably disassembled.

5. The bone distraction drill positioning device of claim 1, wherein: dead lever (4) one end is articulated with holding ring (2) one side, and dead lever (4) other end is equipped with connector (4a), the medial surface of connector (4a) is provided with a plurality of ratchets (4b), the surface of holding ring (2) opposite side be provided with ratchet (4b) mutually support and implement ka tai (2c) of locking, the lateral surface of connector (4a) is provided with and is used for reversing pull ring (4c) that connector (4a) carried out the unblock.

6. The bone distraction drill positioning device of claim 1, wherein: an elastic cushion body (8) is arranged on the inner side surface of the fixed rod (4).

7. The bone distraction drill positioning device of claim 1, wherein: and fixing bolts (9) are arranged at the four corners of the bottom of the base (1).