KR20150109039A - Trauma surgery depth gauge - Google Patents

Abstract

The present invention discloses a depth gauge for trauma surgery, capable of easily decoding at various angles by a user by a triangle scale. The present invention is composed of a body, a depth measuring rod, a triangle scale, and a slide nob. The body includes: a grip unit formed with a first bore inside enabling a surgeon to grip with a hand; and a thin pipe unit extended under the grip unit, and formed with a second bore to be communicated with a first bore inside. A guide slot is formed in a longitudinal direction to be communicated with the first bore on the outer surface of the body. The depth measuring rod is inserted in the first bore and the second bore to move along the first bore and the second bore, and protruded the upper end toward the outside of the second bore. The triangle scale is inserted to appear on the second bore, coupled to the depth measuring rod, and displayed with markings. The slide nob is installed to move along the guide slot, and coupled with the depth measuring rod. An elastic device is installed to confine operation of the slide nob to the guide block of the depth measuring rod. According to the present invention, a surgeon can easily decode markings displayed on the triangle scale at various angles during trauma surgery. In addition, the slide nob, the depth measuring rod, and the triangle scale can be smoothly operated by confining operation of the slide nob by the elastic device and buffering power by a surgeon for operating the slide nob by the elastic device.

Description

TRAUMA SURGERY DEPTH GAUGE}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a depth gauge capable of measuring the depth and length of a hole, and more particularly, to a depth gauge for trauma surgery in which a user can easily read from various angles by a triangle scale .

The depth gauge is a measuring device that measures the depth of holes and grooves. Vernier calipers type and micrometer type are available. The depth gauge is equipped with a dial or a digital dial for ease of measurement and accuracy. On the other hand, the depth gauge for trauma surgery is used to drill bones for the connection of bone screws, K-wires, etc. in the treatment of trauma, for example fracture, .

U.S. Patent Application Publication No. 2005/0066535 entitled " Device for length and depth measurements in surgery " includes a first part, a second part, and a front part, The first part is fitted in a central borehole of the second part so as to be slid along the longitudinal direction. Scale is indicated on the surface of the first part. The part is inserted into the bore hole of the first part and the surgeon can read the depth value of the hole by inserting the front part into the bore hole, In this case, the surgeon has a troublesome and inconvenient problem of changing the posture and reading the scale. In this case, the surgeon can not read the scale beyond the viewpoint of the surgeon.

Korean Patent Laid-Open No. 10-2008-0014960 "Deep measuring instrument for surgical operation" includes a tissue protective cover, a housing, a body, a probe, a sensor and a display. The probe is mounted in the body so that it can be seen through the tissue protector and is coupled to the housing. The housing is mounted so that it can slide along the body. The sensor and the display are mounted on the housing. When the surgeon inserts the probe into the drilled bone, a hole in the body tissue, the housing coupled with the probe slides along the body. The sensor senses the displacement of the housing, and the display shows the depth value measured by the sensor.

The conventional digital depth gauge including the depth measuring instrument for surgical operation as described above can measure the depth value by the sensor and display the measured depth value by the display to provide convenience to the surgeon, There are disadvantages that complex, expensive components are used in large amounts and the price is high. In particular, the housing must be completely sealed to prevent malfunctions of sensors, displays, power supplies, and the like, which are mounted on the housing in the case of medicine and high-temperature disinfection. Nevertheless, the sensor and the display are vulnerable to heat, which causes a problem in the case of high temperature disinfection. Therefore, there is a need for an analogue type (an analogue type) in which the surgeon reads the ruler by eye, and a trauma depth gauge which can easily read the ruler.

The present invention is intended to solve various problems of the depth measurement gauge for surgical operation as described above. It is an object of the present invention to provide a new depth gauge for trauma surgery in which the graduations displayed on a triangular scale can be easily read by the user from various angles.

It is another object of the present invention to provide a depth gauge interlocked with a slide knob and a depth gauge for trauma surgery that can easily perform triangular scale operation.

According to one aspect of the present invention, a depth gauge for trauma surgery is provided. The depth gauge for trauma surgery according to the present invention is characterized in that the depth gauge for trauma surgery comprises a grip portion formed with a first bore on the inside and capable of being hand held by a surgeon and a second bore extending under the grip portion and communicating with the first bore, A body having a thin tube portion formed therein and having a guide slot formed along the longitudinal direction so as to communicate with the first bore on the outer surface; A depth measurement rod sandwiched between the first bore and the second bore so as to move along the first bore and the second bore and having a tip projecting out of the second bore; A triangular scale fitted in the second bore so as to be able to protrude and retract, which is coupled to the depth measuring rod and in which a plurality of graduations are displayed; And a slide knob mounted to be movable along the guide slot and coupled with the depth measuring rod.

Further, a protruding portion is formed at the center of the upper surface of the slide knob, and a first finger recess and a second finger recess are formed on both sides of the protruding portion so as to accommodate a surgeon's finger. The guide block of the depth measuring rod is further equipped with an elastic mechanism capable of restricting the operation of the slide knob.

The depth gauge for trauma surgery according to the present invention allows the surgeon to easily read the graduations displayed on the triangular scale at various angles even during surgery. In addition, not only the operation of the slide knob is restrained by the elastic mechanism, but also a useful effect that the force of the surgeon to actuate the slide knob is buffered by the elastic mechanism to smoothly operate the slide knob, the depth measurement rod and the triangular scale .

1 is a perspective view showing the construction of a depth gauge for trauma surgery according to the present invention.
FIG. 2 is a perspective view of a depth gauge for trauma surgery according to the present invention, in which the length measuring bar, the triangular scale, the slide knob, and the elastic mechanism are separated from each other.
3 is a front view showing the configuration of a depth gauge for trauma surgery according to the present invention.
4 is a sectional view showing the configuration of a depth gauge for trauma surgery according to the present invention.
5 is a sectional view taken along the line V-V in FIG.

Other objects, specific advantages and novel features of the present invention will become more apparent from the following detailed description and preferred embodiments with reference to the accompanying drawings.

Hereinafter, preferred embodiments of the depth gauge for trauma surgery according to the present invention will be described in detail with reference to the accompanying drawings.

1 to 3, the depth gauge 10 for trauma surgery according to the present invention has a hollow body 20. The body 20 includes a streamlined grip portion 22 that can be easily grasped by a user, i.e., a surgeon, a handle portion 24 extending above the grip portion 22, And a thin tube section (26) extending from the tube section (26). The grip portion 22 and the thin tube portion 26 are connected by a taper portion 28. The outer diameter of the bag portion 24 is substantially constant. The outer diameter of the thin tube portion 26 is about 1/4 of the maximum outer diameter of the grip portion 22. The flat surface portion 30 is formed on the outer surface of the body 20 along the longitudinal direction from the bag portion 24 to the grip portion 22. [ A guide slot 32 is formed at the center of the flat portion 30 along the longitudinal direction.

4, a first bore 34 is formed in the center of the body 20 from the handle portion 24 to the grip portion 22. As shown in Fig. The second bore 36 is formed to communicate with the first bore 34 at the center of the thin tube portion 26. The first bore 34 is connected by a step 38 formed inside the second bore 36 and the grip portion 22 for reducing the diameter.

1, 2 and 4, the depth gauge 10 for trauma surgery according to the present invention includes a depth measuring bar (bar) 40 inserted into a hole 4 such as a bone 2 and a human body do. The depth measuring rod 40 is fitted in the second bore 36 so as to protrude and retract. The tip of the depth measurement rod 40 protrudes out of the second bore 36. [ The rear end of the depth measurement rod 40 is introduced into the first bore 34 through the second bore 36. A cylindrical guide block 42 is formed at the rear end of the depth measuring rod 40. The guide block 42 is fitted in the first bore 34 so as to move along the first bore 34. The guide block 42 is caught by the end 38 to limit the maximum measuring depth of the depth measuring rod 40. And the engaging projection 42a is formed at the end of the guide block 42. [ Is formed at the center of the lower portion of the outer surface of the guide block (42) of the operation hole (44). A pair of bolt holes (46) are formed on both sides of the guide block (42). An engaging groove 48 is formed on the upper surface of the outer surface of the guide block 42.

Referring to FIGS. 1 to 5, the depth gauge 10 for trauma surgery according to the present invention includes a triangular scale 50 which is fitted in the first bore 34 so as to protrude and retract. The triangular scale 50 is operatively associated with the depth measuring rod 40.

The triangular scale 50 is formed so that its cross section has three sides 52 in the form of a triangular pole. A plurality of scales 54 are indicated on three sides 52 respectively. A cylindrical slider 56 is formed at the end of the triangular scale 50 fitted in the first bore 34. The cylindrical slider 56 is slid along the first bore 34. And the engaging hole 56a is formed at the end of the cylindrical slider 56. [ The engaging projection 42a of the guide block 42 is forcedly engaged with the engaging hole 56a of the slider 56 and the depth measuring rod 40 and the triangular scale 50 are firmly engaged. A plurality of knob grooves 58 are formed on the top of the three sides 52a. The surgeon can operate the triangular scale 50 directly using the handle grooves 58. [

A guide cap (60) is mounted on the rear end of the body (20). The body 20 and the guide cap 60 are coupled by screwing. A guide hole (62) is formed at the center of the guide cap (60). The triangular scale 50 is fitted in the guide hole 62 so as to be able to move linearly along the guide hole 62. The triangular scale 50 is linearly moved accurately by the guide hole 62 and comes out of the guide hole 62. A washer 64 is interposed between the body 20 and the guide cap 60 to improve the fastening effect between the body 20 and the guide cap 60.

Referring again to Figures 1 to 4, the trauma depth gauge 10 according to the present invention includes a slide knob (not shown) coupled to the depth measurement rod 40 to allow the surgeon to actuate the depth measurement rod 40 Slide knob 70). The slide knob 70 has a slide portion 72 that slides along the guide slot 32 and a knob portion 74 that is disposed on the plane portion 30. [ The slide portion 72 is coupled to the rear end of the depth measuring rod 40 through the guide slot 32.

The rear end of the depth measuring rod 40 and the slide portion 72 are coupled by a pair of bolts 76 fastened to the slide portion 72 through the bolt holes 46. A raised portion 78 is formed at the center of the upper surface of the knob portion 74. A first finger recess 80 and a second finger recess 82 are formed on both sides of the upper surface of the knob portion 74 with respect to the ridge 78 so as to receive a surgeon's finger . A protrusion 84 for preventing slippage is formed along the width direction on the surface of the protruding portion 78, the first finger recess 80 and the second finger recess 82.

The depth gauge 10 for trauma surgery according to the present invention further includes an elastic mechanism 90 for restraining the movement of the slide knob 70. The elastic mechanism 90 is composed of a spring 92 and a ball 94. The spring 92 is mounted in the hole 44 of the guide block 42. The spring 92 is composed of a compression coil spring. The ball 94 is supported by the spring 92 so that it can protrude out of the hole 44 of the guide block 42.

Hereinafter, the operation of the depth gauge for trauma surgery according to the present invention having such a configuration will be described.

Referring to Fig. 1, the surgeon grips the streamlined grip portion 22 by hand, and pushes the slide knob 70 with the finger to operate. When the slide knob 70 is moved toward the thin tube portion 26, the depth measuring rod 40 is moved out of the thin tube portion 26 to be inserted into the bones 2, . When the slide knob 70 is moved toward the guide cap 60, the depth measuring rod 40 that has been pulled out of the thin tube portion 26 is retracted and inserted again into the thin tube portion 26.

The surgeon can read the scale 54 of the triangular scale 50 interlocked with the front and rear of the depth measurement rod 40 to measure the depth of the hole 4. [ At this time, the surgeon can easily read the scales 54 in three directions, so that there is no need to change the posture to read the scales 54 even during surgery. That is, the surgeon's field of view for reading the graduations 54 is sufficiently secured, so that the surgical operation can be easily performed.

On the other hand, the surgeon may accommodate the thumb in either the first finger recess 80 or the second finger recess 82 of the slide knob 70, taking into account the length of the finger, e.g., the thumb . The raised portion 78 supports one side of the finger when the slide knob 70 is pushed and operated, thereby preventing the finger from slipping, thereby simplifying the operation of the slide knob 70.

Referring to FIGS. 1, 3 and 4, when the surgeon pushes and operates the slide knob 70, the slide knob 70 is given a force that the surgeon presses with the finger. When the slide knob 70 is given an excessive force, the lower surface of the knob portion 74 may be brought into close contact with the flat surface portion 30, thereby increasing the frictional force. At this time, the slide part 72 comes in close contact with the inner surface of the first bore 34, thereby disturbing the movement of the depth measuring rod 40 and the slide knob 70. When the excessive force is applied to the slide knob 70, the spring 92 is compressed and then restored by the elastic force so that the guide block 42 is separated from the inner surface of the first bore 34 and the force applied to the slide knob 70 . Therefore, the lower surface of the knob portion 74 is also separated from the flat surface portion 30, and the slide knob 70 and the depth measuring rod 40 are smoothly moved. The ball 94 is rolling contact with the inner surface of the first bore 34 to reduce the friction area between the inner surface of the first bore 34 and the slide 72 when the slide knob 70 is operated . Therefore, the slide knob 70 and the depth measurement rod 40 are smoothly moved.

On the other hand, when the surgeon who has measured the depth of the hole 4 releases the finger from the slide knob 70, the ball 94, which is given the elastic force of the spring 92, is brought into contact with the inner surface of the first bore 34, Thereby restricting the movement of the block 42. Thus, the depth measuring rod 40, the triangular scale 50 and the slide knob 70 are held in place. The surgeon can easily measure the length of the bone in addition to the depth of the hole 4 using the depth measuring rod 40 and the triangular scale 50.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

10: Depth gauge for trauma surgery 20: Body
22: grip portion 26: thin tube portion
30: plane portion 32: guide slot
34: first bore 26: second bore
40: depth measuring bar 42: guide block
50: triangular scale 60: guide cap
62: guide hole 70: slide knob
78: ridge 80: 1st finger recess
82: second finger recess 90: elastic mechanism
92: Spring 94: Ball

Claims (6)

A grip portion formed with a first bore and capable of being hand held by a surgeon and a thin tube portion extending under the grip portion and having a second bore formed therein to communicate with the first bore, A body having a guide slot formed along the longitudinal direction to communicate with one bore;
A depth measurement bar fitted in the first bore and the second bore so as to move along the first bore and the second bore and having a tip projecting out of the second bore;
A triangular scale fitted in the second bore so as to protrude and retreat, the triangular scale being coupled to the depth measuring bar and having a plurality of graduations displayed therein;
And a slide knob mounted to move along the guide slot and coupled with the depth measuring bar. The method according to claim 1,
Wherein the body has a bag portion extending above the grip portion, a guide cap is mounted on a rear end of the body, and a guide hole is formed at the center of the guide cap to be inserted into the triangular scale, Surgical depth gauge. The method according to claim 1,
And a first finger recess and a second finger recess are formed on both sides of the protruding portion so as to accommodate the surgeon's finger, respectively, in the center of the upper surface of the slide knob. 4. The method according to any one of claims 1 to 3,
A guide block is formed at a rear end of the depth measuring bar so as to be movable along the first bore, and the guide block is coupled to each of the triangular scale and the slide knob, Depth gauge for trauma surgery with additional resilient mechanism. 5. The method of claim 4,
The elastic mechanism comprises:
A spring mounted on a hole formed in the guide block;
And a ball attached to the hole so as to be brought into contact with an inner surface of the first bore under an elastic force of the spring. 5. The method of claim 4,
A cylindrical slider is formed on the end of the triangle scale fitted to the first bore so as to be able to slide along the first bore, a coupling hole is formed at a distal end of the cylindrical slider, Is formed in the guide block.

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