CN216317935U - Medical bone needle auxiliary positioning device - Google Patents
Medical bone needle auxiliary positioning device Download PDFInfo
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- CN216317935U CN216317935U CN202122630722.3U CN202122630722U CN216317935U CN 216317935 U CN216317935 U CN 216317935U CN 202122630722 U CN202122630722 U CN 202122630722U CN 216317935 U CN216317935 U CN 216317935U
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- connecting rod
- groove
- angle scale
- guide sleeve
- bone needle
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Abstract
The utility model relates to the field of surgical auxiliary instruments, in particular to a medical bone needle auxiliary positioning device which comprises a bone needle body, a mounting plate and a rotating block fixed at one end of the mounting plate, wherein a slidable adjusting mechanism I is arranged on the rotating block, an angle scale and a connecting rod unit are arranged on one side of the adjusting mechanism I, an adjusting mechanism II which can slide along the angle scale is arranged on the angle scale, the bone needle body is fixed on the adjusting mechanism II through a limiting unit, and the connecting rod unit is connected with the adjusting mechanism I and the adjusting mechanism II. After the angle and the position of the device are determined by the first adjusting mechanism and the second adjusting mechanism, the bone needle is guided by the drill guide sleeve, the operation is convenient, the adjustment is convenient, and the accurate positioning of the position of the bone needle puncture operation is realized.
Description
Technical Field
The utility model relates to the field of surgical operation auxiliary instruments, in particular to a medical bone needle auxiliary positioning device.
Background
The metal bone needle is a commonly used internal fixation material in orthopedics, penetrates through cancellous bone of a bone segment through the metal needle, enables fracture and dislocation parts to be effectively reset and fixed, and is widely applied as a commonly used medical material in the bone traction operation. Patent document No. CN200620107643.7 discloses a medical handheld metal bone needle, which is characterized in that a handle is arranged at the tail or middle part of the metal bone needle, the metal bone needle can be directly operated by holding the handle with hands when being placed into a human body, but the metal bone needle lacks a mechanism for assisting positioning, and the bone needle is not well controlled in fracture of a patient due to the influence of factors such as position, skin and flesh damage and the like on a wound surface during an operation.
In conclusion, the medical bone needle at present has the problems that the bone needle is unstable in the driving process, is easy to deviate, has low positioning precision, cannot accurately grasp the driving position of the bone needle through manual operation, has low efficiency, is easy to cause secondary damage to a patient, and needs to be improved.
Disclosure of Invention
The utility model provides a bone needle auxiliary positioning device, which is flexible to use, convenient to adjust and convenient to position, and further improves the efficiency of orthopedic surgery, in order to solve the problems that a bone needle is unstable, easy to deviate and low in positioning precision in the process of driving, the position driven by the bone needle cannot be accurately grasped by manual operation, the efficiency is low, and secondary injury is easily caused to a patient.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
the utility model provides a medical spicule auxiliary positioning device, includes the spicule body, still includes the mounting panel and fixes the rotatory piece of mounting panel one end, be provided with slidable adjustment mechanism one on the rotatory piece, one side of adjustment mechanism one is provided with angle scale and link unit, be provided with on the angle scale along its slidable adjustment mechanism two, the spicule body is fixed through spacing unit adjustment mechanism two is last, link unit connects adjustment mechanism one and adjustment mechanism two.
Furthermore, the rotating block comprises a supporting plate and an arc-shaped plate arranged at the upper end of the supporting plate, and first scale marks are marked on the surface of the arc-shaped plate.
Furthermore, the first adjusting mechanism comprises a rotary table and a gland, a first bolt vertically penetrating through the rotary table is arranged at the top of the rotary table, and a first hand wheel is connected to the tail of the first bolt;
the bottom of the rotary table is provided with a first groove, a second groove is formed below the gland, the first groove and the second groove jointly form a through groove which slides along the arc-shaped plate, and the head of the first bolt penetrates through the through groove and then abuts against the surface of the arc-shaped plate.
Furthermore, the angle scale and the connecting rod unit are positioned on one side of the turntable, the angle scale is of an L-shaped structure, the short side of the angle scale is fixed on the turntable, and the long side of the angle scale is bent downwards to form an arc shape;
a closed groove is formed in the long edge of the angle scale, a second scale mark is carved on the upper portion of the groove, a second bolt penetrates through the groove, a second hand wheel is connected to the tail portion of the second bolt, and the head portion of the second bolt is connected to the second adjusting mechanism after penetrating through the angle scale.
Furthermore, the second adjusting mechanism comprises a fixing piece which slides along the angle scale, the front surface of the fixing piece is provided with a bulge and a threaded hole, the lower part of the bulge is of an arc structure which is attached to the long edge of the angle scale, and the head of the second bolt is connected in the threaded hole;
a hole groove is formed in the vertical through mode along the fixing piece, and the limiting unit is located in the hole groove.
Furthermore, the limiting unit comprises a guide sleeve and a drill guide sleeve, the guide sleeve and the drill guide sleeve are both T-shaped cylinders with hollow interiors, the small-diameter section of the guide sleeve is embedded in the hole groove, and the small-diameter section of the drill guide sleeve penetrates through the large-diameter section of the guide sleeve and then extends out of the fixing piece; the spicule body is arranged in the drill guide sleeve in a penetrating mode.
Furthermore, the connecting rod unit comprises a fixed rod and two groups of inverted V-shaped rocker arms, wherein one group of rocker arms comprises a first connecting rod and a second connecting rod, and the other group of rocker arms comprises a third connecting rod and a fourth connecting rod;
one end of the fixed rod and one end of the second connecting rod are hinged with two ends of the first connecting rod respectively, the other end of the fixed rod is fixed on the turntable, and the other end of the second connecting rod is hinged on the fixing piece;
one end of the third connecting rod is hinged to the middle of the fixing rod, one end of the fourth connecting rod is hinged to the fixing piece, the other end of the third connecting rod is hinged to the other end of the fourth connecting rod, and the middle of the fourth connecting rod is hinged to the middle of the first connecting rod.
Furthermore, the outer surface of the large-diameter section of the drill guide sleeve is carved with anti-skidding lines.
Through the technical scheme, the utility model has the beneficial effects that:
1. this device can be according to actual regulation needs nimble selection use adjustment mechanism one and adjustment mechanism two, and convenient operation is convenient for adjust and is confirmed angle and position, has realized the accurate location of spicule puncture operation position, and not only work efficiency is high, has avoided causing the secondary injury to the patient moreover.
2. Carry out assistance-localization real-time back through this device when the operation, observe the spicule position and whether reach the operation requirement, if appear nailing skew timely regulation and correct, the spicule can be by the accurate nail of guide drill cover and go into patient's fracture department to prevent because the bone needle that appears not good is mastered to the patient fracture condition and beat the skew, serious lead to the spicule nail to wear to expose outside, avoided the patient to receive the secondary injury, be favorable to the healing of patient's skeleton.
Drawings
Fig. 1 is a first perspective view of a medical bone needle auxiliary positioning device of the utility model.
Fig. 2 is a second perspective view of the auxiliary positioning device for medical bone needles according to the present invention.
Fig. 3 is a front view of a medical bone needle auxiliary positioning device of the utility model.
Fig. 4 is a right side view of the auxiliary positioning device for medical bone needles of the present invention.
The reference numbers in the drawings are as follows:
the bone acupuncture device comprises a bone acupuncture body 1, a mounting plate 2, a rotating block 3, a supporting plate 301, an arc-shaped plate 302, an angle scale 4, a rotating disc 5, a gland 6, a hand wheel I7, a hand wheel II 8, a fixing part 9, a guide sleeve 10, a drill guide sleeve 11, a fixing rod 12, a connecting rod I13, a connecting rod II 14, a connecting rod III 15 and a connecting rod IV 16.
Detailed Description
The utility model is further described with reference to the following figures and detailed description:
in the description of the present invention, it is to be understood that the terms "left", "right", "upper", "lower", "lateral", "vertical", etc. indicate orientations or positional relationships based on those shown in fig. 1 only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Example one
As shown in fig. 1-4, a medical bone needle auxiliary positioning device comprises a bone needle body 1, and further comprises a mounting plate 2 and a rotating block 3 fixed at one end of the mounting plate 2, wherein a slidable adjusting mechanism I is arranged on the rotating block 3, an angle scale 4 and a connecting rod unit are arranged on one side of the adjusting mechanism I, an adjusting mechanism II which can slide along the angle scale 4 is arranged on the angle scale 4, the bone needle body 1 is fixed on the adjusting mechanism II through a limiting unit, and the connecting rod unit is connected with the adjusting mechanism I and the adjusting mechanism II.
In this embodiment, the rotating block 3 includes a supporting plate 301 and an arc plate 302 disposed at an upper end of the supporting plate 301, and a first scale mark is engraved on a surface of the arc plate 302 for adjustment reference.
Specifically, the first adjusting mechanism comprises a rotary table 5 and a gland 6, a first bolt vertically penetrating through the rotary table 5 is arranged at the top of the rotary table 5, and a first hand wheel 7 is connected to the tail of the first bolt; the bottom of the rotary table 5 is provided with a first groove, the lower part of the gland 6 is provided with a second groove, the first groove and the second groove jointly form a through groove sliding along the arc-shaped plate 302, and the head of the first bolt passes through the through groove and abuts against the surface of the arc-shaped plate 302.
In the utility model, the angle scale 4 and the connecting rod unit are positioned on one side of the turntable 5, the angle scale 4 is in an L-shaped structure, the short side of the angle scale 4 is fixed on the turntable 5, and the long side of the angle scale 4 is bent downwards to form an arc shape; a closed groove is formed in the long edge of the angle scale 4, a second scale mark is carved on the upper portion of the groove to provide adjusting reference, a second bolt penetrates through the groove, the tail portion of the second bolt is connected with a second hand wheel 8, and the head portion of the second bolt penetrates through the angle scale 4 and is connected to the second adjusting mechanism.
In the utility model, the second adjusting mechanism comprises a fixing piece 9 sliding along the angle scale 4, the front surface of the fixing piece 9 is provided with a bulge and a threaded hole, the lower part of the bulge is of an arc structure jointed with the long edge of the angle scale 4, and the head part of the second bolt is connected in the threaded hole; a hole groove is formed in the fixing piece 9 in a vertically penetrating mode, and the limiting unit is located in the hole groove.
In this embodiment, the limiting unit includes a guide sleeve 10 and a drill guide sleeve 11, the guide sleeve 10 and the drill guide sleeve 11 are both T-shaped cylinders with hollow interiors, a small-diameter section of the guide sleeve 10 is embedded in the hole groove, and a small-diameter section of the drill guide sleeve 11 extends out to the lower side of the fixing member 9 after penetrating through a large-diameter section of the guide sleeve 10; the spicule body 1 is arranged in the drill guiding sleeve 11 in a penetrating mode.
In this embodiment, the link unit includes a fixed link 12 and two sets of inverted V-shaped rocker arms, one set of the rocker arms includes a first link 13 and a second link 14, and the other set of the rocker arms includes a third link 15 and a fourth link 16; one end of the fixed rod 12 and one end of the second connecting rod 14 are hinged with two ends of the first connecting rod 13 respectively, the other end of the fixed rod 12 is fixed on the turntable 5, and the other end of the second connecting rod 14 is hinged on the fixing piece 9; one end of the third connecting rod 15 is hinged at the middle part of the fixed rod 12, one end of the fourth connecting rod 16 is hinged on the fixed part 9, the other end of the third connecting rod 15 and the other end of the fourth connecting rod 16 are hinged with each other, and the middle parts of the fourth connecting rod 16 and the first connecting rod 13 are hinged with each other.
In addition, the outer surface of the large-diameter section of the drill guide sleeve 11 is carved with anti-slip lines, so that the drill guide sleeve is not easy to slip during operation.
During adjustment, on one hand, please refer to fig. 3 again, the first hand wheel 7 is screwed after the rotary disc 5 moves to a certain position along the first scale mark on the arc-shaped plate 302, on the other hand, referring to fig. 4 again, the second hand wheel 8 is screwed after the fixing piece 9 slides to a certain position along the second scale mark on the angle scale 4, and the connecting rod unit is used for connecting the fixing piece 9 and the rotary disc 5, so that the fixing piece 9 is prevented from falling off or rapidly running off under the condition that the second hand wheel 8 is loosened, the structure is stable, and the adjustment requirement is met; when specifically putting into use, after angle and position are confirmed through above-mentioned adjustment mechanism one and adjustment mechanism two, adopt and lead drill bushing 11 to lead to spicule body 1, strengthened the stability of spicule when squeezing into, the spicule can not take place the skew, makes the positioning accuracy of spicule improve, improvement bone surgery's efficiency that like this can be great.
The above-described embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the utility model, so that equivalent changes or modifications in the structure, features and principles described in the present invention should be included in the claims of the present invention.
Claims (8)
1. The utility model provides a medical spicule auxiliary positioning device, includes spicule body (1), its characterized in that still includes mounting panel (2) and fixes rotatory piece (3) of mounting panel (2) one end, be provided with slidable adjustment mechanism one on rotatory piece (3), one side of adjustment mechanism one is provided with angle scale (4) and link unit, be provided with on angle scale (4) along its slidable adjustment mechanism two, spicule body (1) is fixed through spacing unit on the adjustment mechanism two, link unit connects adjustment mechanism one and adjustment mechanism two.
2. The auxiliary positioning device for the medical bone needle as claimed in claim 1, wherein the rotating block (3) comprises a supporting plate (301) and an arc-shaped plate (302) arranged at the upper end of the supporting plate (301), and the surface of the arc-shaped plate (302) is marked with a first scale mark.
3. The auxiliary positioning device for the medical bone needle as claimed in claim 2, wherein the first adjusting mechanism comprises a rotary table (5) and a gland (6), a first bolt vertically penetrating through the rotary table (5) is arranged at the top of the rotary table (5), and a first hand wheel (7) is connected to the tail part of the first bolt;
the bottom of the rotary table (5) is provided with a first groove, a second groove is formed below the gland (6), the first groove and the second groove jointly form a through groove which slides along the arc-shaped plate (302), and the head of the first bolt penetrates through the through groove and abuts against the surface of the arc-shaped plate (302).
4. The auxiliary positioning device for the medical bone needle is characterized in that the angle scale (4) and the connecting rod unit are positioned on one side of the rotary disc (5), the angle scale (4) is in an L-shaped structure, the short side of the angle scale (4) is fixed on the rotary disc (5), and the long side of the angle scale (4) is bent downwards to form an arc shape;
a closed groove is formed in the long edge of the angle scale (4), a second scale mark is carved on the upper portion of the groove, a second bolt is arranged in the groove in a penetrating mode, the tail portion of the second bolt is connected with a second hand wheel (8), and the head portion of the second bolt is connected to the second adjusting mechanism after penetrating through the angle scale (4).
5. The auxiliary positioning device for the medical bone needle as claimed in claim 4, wherein the second adjusting mechanism comprises a fixing member (9) sliding along the angle scale (4), the front surface of the fixing member (9) is provided with a protrusion and a threaded hole, the lower part of the protrusion is in an arc structure fitting with the long edge of the angle scale (4), and the head of the second bolt is connected in the threaded hole;
a hole groove is formed in the upper portion and the lower portion of the fixing piece (9) in a penetrating mode, and the limiting unit is located in the hole groove.
6. The auxiliary positioning device for the medical bone needle is characterized in that the limiting unit comprises a guide sleeve (10) and a drill guide sleeve (11), the guide sleeve (10) and the drill guide sleeve (11) are both T-shaped cylinders with hollow interiors, a small-diameter section of the guide sleeve (10) is embedded in the hole groove, and a small-diameter section of the drill guide sleeve (11) penetrates through the large-diameter section of the guide sleeve (10) and then extends out to the lower side of the fixing piece (9); the bone needle body (1) is arranged in the drill guide sleeve (11) in a penetrating mode.
7. The auxiliary positioning device for the medical bone needle as claimed in claim 5, wherein the link unit comprises a fixed rod (12) and two sets of rocker arms in an inverted V shape, wherein one set of rocker arms comprises a first link (13) and a second link (14), and the other set of rocker arms comprises a third link (15) and a fourth link (16);
one end of the fixed rod (12) and one end of the connecting rod II (14) are respectively hinged with two ends of the connecting rod I (13), the other end of the fixed rod (12) is fixed on the turntable (5), and the other end of the connecting rod II (14) is hinged on the fixing piece (9);
one end of the connecting rod III (15) is hinged to the middle of the fixing rod (12), one end of the connecting rod IV (16) is hinged to the fixing piece (9), the other end of the connecting rod III (15) is hinged to the other end of the connecting rod IV (16), and the middle parts of the connecting rod IV (16) and the connecting rod I (13) are hinged to each other.
8. The auxiliary positioning device for the medical bone needle as claimed in claim 6, wherein the outer surface of the large diameter section of the drill guide sleeve (11) is carved with anti-slip lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122630722.3U CN216317935U (en) | 2021-10-30 | 2021-10-30 | Medical bone needle auxiliary positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122630722.3U CN216317935U (en) | 2021-10-30 | 2021-10-30 | Medical bone needle auxiliary positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216317935U true CN216317935U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122630722.3U Active CN216317935U (en) | 2021-10-30 | 2021-10-30 | Medical bone needle auxiliary positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216317935U (en) |
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2021
- 2021-10-30 CN CN202122630722.3U patent/CN216317935U/en active Active
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