SCLERAL DEPRESSOR

Abstract

A scleral depressor includes an elongated handle defining a first axis. An extension member has one end attached to the proximal end of the handle and includes a blade at the remote end thereof. The extension member defines a second axis and extends from the handle at approximately 90° thereby defining a plane. A bulbous or cylindrically shaped blade located at the remote end of the extension member has its rounded surface extending out of the plane. By properly manipulating the handle, such as by rotating the same, the rounded surface of the blade is used to depress the sclera.

Claims

1. A scleral depressor comprising: an elongated handle having a distal end and a proximal end and defining a first axis; an extension member having a first end attached to the proximal end of said handle and having a second remote end, said extension member defining a second axis which is between approximately 90° to 120° from said first axis; said first and second axes defining a plane, and a blade carried by said extension member at the remote end thereof, said blade including a first rounded surface extending out of said plane in a first direction approximately 90 degrees from said plane.

2. The scleral depressor as claimed in claim 1 wherein said blade includes a second rounded surface extending out of said plane in a second direction substantially opposite to said first direction.

3. The scleral depressor as claimed in claim 2 wherein said blade is bulbous shaped extending in all directions about the axis of the extension member.

4. The scleral depressor as claimed in claim 2 wherein said blade is substantially cylindrically shaped.

5. The scleral depressor as claimed in claim 1 wherein the angle between said first and second axes is approximately 90°.

6. A method for depressing portion of the sclera of an eye during an examination or surgery comprising: providing a scleral depressor having an elongated handle with a distal end and a proximal end and defining a first axis, said depressor further having an extension member with a first end attached to the proximal end of said handle and having a second remote end, said extension member defining a second axis which is between approximately 90° to 120° from said first axis, said first and second axes defining a plane, and a blade carried by said extension member at the remote end thereof, said blade including a first rounded surface extending out of said plane in a first direction approximately 90 degrees from said plane; positioning said blade adjacent the sclera at the desired position, and moving said blade in said first direction to depress the sclera.

7. The method as claimed in claim 6 wherein said blade is moved by rotating said handle about its axis.

8. The method as claimed in claim 6 wherein said blade is bulbous in shape and can be moved in any direction to depress the sclera.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0015] For the purpose of illustrating the invention, there are shown in the accompanying drawings forms which are presently preferred; it being understood that the invention is not intended to be limited to the precise arrangements and instrumentalities shown.

[0016] FIG. 1 is a side elevational view of first embodiment of a scleral depressor showing my invention;

[0017] FIG. 2 is a perspective view of the first embodiment of the invention shown in FIG. 1;

[0018] FIG. 3 is a front elevational view of the first embodiment;

[0019] FIG. 4 is a side elevational view showing a second embodiment of my invention;

[0020] FIG. 5 is a perspective view of the second embodiment of the invention shown in FIG. 4, and

[0021] FIG. 6 is a front elevational view of the second embodiment.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0022] With reference now to the drawings in detail wherein like reference numerals have been used throughout the various figures to designate like elements, there is shown in FIGS. 1, 2 and 3 a first embodiment of a scleral depressor constructed in accordance with the principles of the present invention and designated generally as 10.

[0023] The scleral depressor 10 is comprised essentially of an elongated handle 12 which defines a first axis. The handle 12 includes a distal end 14 and a proximal end 16. An extension 18 of the handle 12 has its first end 20 attached to the proximal end 16 of the handle and includes a second remote end 22.

[0024] As shown in FIG. 1, the extension member 18 is bent so that the latter portion or member 24 thereof defines an axis which is between approximately 90° to 120° from the axis of the handle 12. In the preferred embodiment of the invention, the second axis is approximately 90° from the first axis.

[0025] The axes of the handle 12 and of the portion 24 of the extension member 18 essentially define a plane which, as viewed in FIG. 1, is the plane of the paper.

[0026] A blade 28 is carried by the remote end 22 of the extension member 24 and includes rounded surfaces 30 and 32 on the sides thereof. As shown best in FIG. 3, the rounded surface 30 extends in a first direction out of the plane approximately 90° to the plane. The second rounded surface 32 extends in a second direction substantially opposite to the first direction and out of the plane. The blade 28 in the first embodiment is essentially bulbous shaped but other shapes are possible.

[0027] The second embodiment of the invention as shown in FIGS. 4, 5 and 6 is similar in most respects to the first embodiment shown in FIGS. 1, 2 and 3 and described above. Accordingly, many of the parts thereof will not be re-described and are referenced by the same reference numerals as above but preceded by a 1.

[0028] The only significant difference between the two embodiments is in the blade. In lieu of the bulbous blade 28, the second embodiment utilizes a cylindrically shaped blade 128. As shown most clearly in FIG. 6, the outer surface of the cylinder 128 provides the rounded surfaces 130 and 132 that extend in opposite directions out of the plane defined by the handle 112 and the lower portion 124 of the extension member 118.

[0029] The improved scleral depressor 10 or 110 of the present invention is used in the following manner. During an eye examination or during surgery, the rounded surface 30 or 32 or 130 or 132 is positioned adjacent the sclera at the desired position. The blade 28 or 128 is then moved in either the first or second direction out of the plane defined by the handle 12 or 112 and the extension member 24 or 124 so that the rounded surface depresses the sclera. This can be done by either moving the handle 12 or 112 sideways to the left or right or by rotating the handle about its axis.

[0030] In addition to the foregoing, the embodiment of the invention shown in FIGS. 1 and 2 with the bulbous blade 28 there are additional advantages over the prior art. Because of the bulbous shape, it can be moved in almost any direction for the purpose of scleral depression. The most likely directions would be in a circle perpendicular to the axis of the extension. So, if an assistant is depressing the nasal side of the eye, the motion of the blade would be in the general direction of the assistant. In all cases, however, there would be minimal interference with the surgeon or any surgical instruments.

[0031] The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof and accordingly, reference should be made to the appended claims rather than to the foregoing specification as indicating the scope of the invention.