CN209734176U

CN209734176U - Depth finder for orthopedics

Info

Publication number: CN209734176U
Application number: CN201920249773.1U
Authority: CN
Inventors: 康志强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-27
Filing date: 2019-02-27
Publication date: 2019-12-06
Anticipated expiration: 2029-02-27

Abstract

The utility model discloses an orthopedic depth finder, which comprises a probe body, a handle and a shell; the probe body and the handle are respectively inserted into the left side inner part and the right side inner part of the shell; the probe body comprises a probe and a sleeve; the left end of the probe is provided with a forked elastic sheet hook; the left end of the handle is provided with a stop block in a protruding way; the upper part of the handle is provided with a scale area in a downward concave manner, and the left end of the scale area is provided with a limiting bulge; a stable ring clamping groove is arranged between the limiting protrusion and the stop block; a stabilizing ring is clamped in the stabilizing ring clamping groove, an observation window is arranged at the upper part of the right side of the shell, and a marking line is carved on the observation window; a limiting hole is arranged on the right side of the observation window and is positioned on the upper part of the shell; the limiting hole is internally provided with a limiting clamping piece in a clamping way; the arrangement of the stabilizing ring of the utility model improves the axial stability of the handle, so that the handle can move more stably in the shell; the elastic sheet hook is not easy to slip when used for measuring the depth of the bone hole, the measurement is more accurate, the operation is convenient, and the time and the labor are saved.

Description

Depth finder for orthopedics

Technical Field

the utility model relates to a depth finder especially relates to an orthopedics is with depth finder.

background

Currently, in the clinical setting of bone, two fracture ends are drilled, and then the drilled bone holes are measured by a depth gauge so as to select screws with proper lengths to fix the fracture. The existing depth gauge is complex in structure, the front end of the probe is only provided with a small hook, and the small hook frequently slips during measurement, so that the measurement result is inaccurate, and inconvenience is brought to measurement work of medical staff.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the technology, the utility model provides an orthopedic depth finder.

In order to solve the technical problem, the utility model discloses a technical scheme is: a depth gauge for orthopedics comprises a probe body, a handle and a shell; a stepped hole is axially formed in the shell, and the probe body and the handle are respectively inserted into the left side inner part and the right side inner part of the shell; the probe body is connected with the handle through threads;

The probe body comprises a probe and a sleeve; the left end of the probe is provided with a forked elastic sheet hook, and the right end of the probe is provided with external threads; the sleeve is sleeved outside the probe and is a hollow cylinder; the right end of the sleeve is provided with an anti-separation bulge in an outward protruding manner;

The right end of the probe penetrates through the sleeve and is connected with the handle; the left end of the handle is provided with a stop block in a protruding way; the upper part of the handle is provided with a scale area in a downward concave manner, and the left end of the scale area is provided with a limiting bulge; the limiting bulge is positioned at the right side of the stop block, and a stable ring clamping groove is arranged between the limiting bulge and the stop block; a stabilizing ring is clamped in the stabilizing ring clamping groove, and an opening is formed in the stabilizing ring; the upper part of the right side of the handle is downwards sunken to form a handheld area;

An observation window is arranged at the upper part of the right side of the shell, and a marking line is carved on the observation window; a limiting hole is arranged on the right side of the observation window and is positioned on the upper part of the shell;

arc grooves are formed in the left inner wall and the right inner wall of the limiting hole; the limiting hole is internally provided with a limiting clamping piece in a clamping way; the limiting clamping piece comprises a head part and a limiting stop block, and the limiting stop block is fixedly arranged at the lower end of the head part; the left side wall and the right side wall of the limit stop block are respectively provided with an arc-shaped bulge matched with the arc-shaped groove, and the arc-shaped bulge is clamped in the arc-shaped groove to connect the limit clamping piece with the limit hole.

a connecting hole is formed in the left end of the handle, and an internal thread is formed in the connecting hole; the inner thread of the connecting hole is meshed with the outer thread of the probe to connect the handle and the probe together.

The stepped hole comprises a through hole A, a through hole B and a through hole C, and the through hole A, the through hole B and the through hole C are sequentially arranged from left to right; the inner diameter of the through hole A is smaller than that of the through hole B, and the inner diameter of the through hole B is smaller than that of the through hole C.

The outer diameter of the stabilizing ring is equal to the inner diameter of the through hole C.

The arrangement of the stabilizing ring of the utility model improves the axial stability of the handle, so that the handle can move more stably in the shell; the elastic sheet hook is not easy to slip when used for measuring the depth of the bone hole, the measurement is more accurate, the operation is convenient, and the time and the labor are saved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic diagram of the structure of the probe.

Fig. 3 is a schematic structural view of the sleeve.

Fig. 4 is a schematic structural view of the handle.

Fig. 5 is a schematic structural view of the housing.

Fig. 6 is a schematic structural view of the limit fastener.

FIG. 7 is a schematic view of a stabilization ring.

Fig. 8 is a partial enlarged view of the left portion of the housing of fig. 1.

fig. 9 is a schematic view of the connection relationship between the limiting clip and the limiting hole in fig. 1.

In the figure: 1. a probe; 2. a handle; 3. a housing; 4. the elastic sheet is hooked; 5. an external thread; 6. a sleeve; 7. a separation prevention protrusion; 8. a stopper block; 9. a scale zone; 10. a limiting bulge; 11. a stabilizing ring slot; 12. a handheld area; 13. a stabilizing ring; 14. an opening; 15. an observation window; 16. marking a line; 17. a limiting hole; 18. an arc-shaped groove; 19. a limiting clamping piece; 20. a head portion; 21. a limit stop block; 22. an arc-shaped bulge; 23. a through hole A; 24. a through hole B; 25. and a through hole C.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and 8, the depth gauge for orthopedics comprises a probe body, a handle 2 and a shell 3; a stepped hole is axially formed in the shell 3, the stepped hole comprises a through hole A23, a through hole B24 and a through hole C25, and the through hole A23, the through hole B24 and the through hole C25 are sequentially arranged from left to right; the inner diameter of the through hole A23 is smaller than the inner diameter of the through hole B24, and the inner diameter of the through hole B24 is smaller than the inner diameter of the through hole C25.

The probe body and the handle 2 are respectively inserted into the left side and the right side of the shell 3; the probe body is connected with the handle 2 through threads; the left end of the housing 3 is the head end thereof.

As shown in fig. 2 and 3, the probe body comprises a probe 1 and a sleeve 6; the left end of the probe 1 is provided with a forked elastic sheet hook 4, and the right end of the probe 1 is provided with an external thread 5; the sleeve 6 is sleeved outside the probe 1, and the sleeve 6 is a hollow cylinder; the right end of sleeve 6 outwards the protrusion be provided with prevent breaking away from protruding 7, prevent breaking away from protruding 7 and be used for preventing that sleeve 6 breaks away from in the shell 3 at the in-process that is promoted, through-hole A23 right-hand member plays left limiting displacement to prevent breaking away from protruding 7, prevents breaking away from protruding 7 and receives the blockking of through-hole A23 right-hand member, restricts its shift position in through-hole B24.

The right end of the probe 1 penetrates through the sleeve 6 and then is connected with the handle 2; a connecting hole is formed in the left end of the handle 2, and an internal thread is formed in the connecting hole; the inner thread of the connecting hole is meshed with the outer thread 5 of the probe to connect the handle 2 and the probe 1 together.

As shown in fig. 4, the left end of the handle 2 is provided with a stop block 8 in a protruding manner, the right end of the through hole B24 acts as a left limit for the stop block 8, and the stop block 8 is blocked by the right end of the through hole B24, so that the moving position of the stop block 8 is limited in the through hole C25; the upper part of the handle 2 is provided with a scale area 9 in a downward concave manner, scales are carved on the scale area 9, and the left end of the scale area 9 is provided with a limiting bulge 10; the limiting bulge 10 is positioned at the right side of the stop block 8, and a stable ring clamping groove 11 is arranged between the limiting bulge 10 and the stop block 8; a stabilizing ring 13 is clamped in the stabilizing ring clamping groove 11, and an opening 14 is formed in the stabilizing ring 13; the outer diameter of the stabilizing ring 13 is equal to the inner diameter of the through hole C25, and the stabilizing ring 13 is used for providing sliding friction and axial stability for the left and right movement of the handle 2 in the housing 3, so that the movement of the handle 2 is more stable without slipping.

The upper part of the right side of the handle 2 is downwards concave to form a holding area 12, and the concave holding area 12 is convenient to hold by hands and is more stable to hold;

as shown in fig. 5, the right upper portion of the housing 3 is provided with a viewing window 15, and the viewing window 15 is made of a transparent material. A mark line 16 is engraved on the observation window 15, and the mark line 16 is used for determining a measured value corresponding to the scale line of the scale area 9; a limiting hole 17 is formed in the right of the observation window 15, and the limiting hole 17 is located in the upper portion of the shell 3;

As shown in fig. 6 and 9, the inner walls of the left and right sides of the limiting hole 17 are provided with arc-shaped grooves 18; a limit clamping piece 19 is clamped in the limit hole 17; the limit clamping piece 19 comprises a head part 20 and a limit stop 21, and the limit stop 21 is fixedly arranged at the lower end of the head part 20; the head part 20 is in a step shape, so that the limiting clamping piece 19 can be conveniently pulled out of the limiting hole 17 by hand, and the height of the limiting stop 21 is larger than the wall thickness of the shell 3, therefore, after the limiting clamping piece 19 is inserted into the limiting hole 17, the lower end of the limiting stop 21 is matched with the limiting bulge 10 of the handle 2, and the right limiting effect is realized on the movement of the handle 2 in the shell 3.

the left side wall and the right side wall of the limit stop 21 are both provided with arc-shaped protrusions 22 matched with the arc-shaped grooves 18, and the arc-shaped protrusions 22 are clamped in the arc-shaped grooves 18 to connect the limit clamping pieces 19 with the limit holes 17.

The utility model discloses a concrete application method does: when the probe is installed, the right end of the probe 1 is inserted into the sleeve 6 to form a probe body, and the sleeve 6 is pushed to enable the elastic sheet hook 4 to be folded in the sleeve 6; the stabilizing ring 13 is clamped in the stabilizing ring clamping groove 11 of the handle 2, and then the left end of the handle 2 is inserted into the through hole C25 from the right end of the shell 3; then inserting the probe body from the left end of the shell 3 to sequentially penetrate through the through hole A23 and the through hole B24, and screwing the right end of the probe 1 into a connecting hole at the left end of the handle 2 to complete the connection of the probe 1 and the handle 2; finally, the limit fastener 19 is inserted downwards into the limit hole 17 on the shell 3.

when the bone fracture detector is used, the sleeve 6 is pushed to enable the elastic sheet hook 4 of the probe 1 to be in a folded state, then the probe body is inserted into a bone hole to be measured until the bottom of the bone hole, at the moment, the sleeve 6 is pulled to enable the elastic sheet hook 4 of the probe 1 to be popped out of the sleeve 6, the elastic sheet hook 4 is hung on the opposite side bone hole cortex, and then the shell 3 is pushed towards the bottom of the bone hole until the head end of the shell 3 contacts the outer surface of the bone; the measured bone hole depth is read by viewing the position of the mark line 16 corresponding to the graduation mark on the graduation region 9 through the viewing window 15. After the measurement is finished, the sleeve 6 is pushed to enable the elastic sheet hook 4 of the probe 1 to be in a folded state, and then the depth gauge is taken out of the bone hole.

The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and the technical personnel in the technical field are in the present invention, which can also belong to the protection scope of the present invention.

Claims

1. A depth finder for orthopedics, its characterized in that: comprises a probe body, a handle (2) and a shell (3); a stepped hole is formed in the shell (3) along the axial direction, and the probe body and the handle (2) are respectively inserted into the left side inner part and the right side inner part of the shell (3); the probe body is connected with the handle (2) through threads;

The probe body comprises a probe (1) and a sleeve (6); the left end of the probe (1) is provided with a forked elastic sheet hook (4), and the right end of the probe (1) is provided with an external thread (5); the sleeve (6) is sleeved outside the probe (1), and the sleeve (6) is a hollow cylinder; the right end of the sleeve (6) is provided with an anti-separation bulge (7) in an outward protruding manner;

The right end of the probe (1) penetrates through the sleeve (6) and then is connected with the handle (2); a stop block (8) is arranged at the left end of the handle (2) in a protruding way; the upper part of the handle (2) is provided with a scale area (9) in a downward concave manner, and the left end of the scale area (9) is provided with a limiting bulge (10); the limiting bulge (10) is positioned on the right side of the stop block (8), and a stable ring clamping groove (11) is arranged between the limiting bulge (10) and the stop block (8); a stabilizing ring (13) is clamped in the stabilizing ring clamping groove (11), and an opening (14) is formed in the stabilizing ring (13); the upper part of the right side of the handle (2) is downwards sunken to form a handheld area (12);

an observation window (15) is arranged at the upper part of the right side of the shell (3), and a marking line (16) is carved on the observation window (15); a limiting hole (17) is formed in the right side of the observation window (15), and the limiting hole (17) is located in the upper portion of the shell (3);

Arc-shaped grooves (18) are formed in the left inner wall and the right inner wall of the limiting hole (17); a limiting clamping piece (19) is clamped in the limiting hole (17); the limiting clamping piece (19) comprises a head part (20) and a limiting stop block (21), and the limiting stop block (21) is fixedly arranged at the lower end of the head part (20); the left side wall and the right side wall of the limit stop block (21) are respectively provided with an arc-shaped bulge (22) matched with the arc-shaped groove (18), and the arc-shaped bulge (22) is clamped in the arc-shaped groove (18) to connect the limit clamping piece (19) with the limit hole (17).

2. the depth gauge for orthopedics according to claim 1, characterized in that: a connecting hole is formed in the left end of the handle (2), and an internal thread is formed in the connecting hole; the inner thread of the connecting hole is meshed with the outer thread (5) of the probe to connect the handle (2) and the probe (1).

3. The depth gauge for orthopedics according to claim 1, characterized in that: the stepped hole comprises a through hole A (23), a through hole B (24) and a through hole C (25), wherein the through hole A (23), the through hole B (24) and the through hole C (25) are sequentially arranged from left to right; the inner diameter of the through hole A (23) is smaller than that of the through hole B (24), and the inner diameter of the through hole B (24) is smaller than that of the through hole C (25).

4. The depth gauge for orthopedics according to claim 3, characterized in that: the outer diameter of the stabilizing ring (13) is equal to the inner diameter of the through hole C (25).