JPH0455322U - - Google Patents
Info
- Publication number
- JPH0455322U JPH0455322U JP9923890U JP9923890U JPH0455322U JP H0455322 U JPH0455322 U JP H0455322U JP 9923890 U JP9923890 U JP 9923890U JP 9923890 U JP9923890 U JP 9923890U JP H0455322 U JPH0455322 U JP H0455322U
- Authority
- JP
- Japan
- Prior art keywords
- punch
- cornea
- cut
- curved surface
- corneal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000004087 cornea Anatomy 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Description
第１図ａ，ｂは、それぞれ、従来の角膜パンチ
装置に用いられるパンチ台の一例を示す平面図及
びその−断面説明図であり、第２図は、本考
案に係る角膜パンチ装置の一例を示す正面図であ
り、第３図ａ，ｂは、それぞれかかる角膜パンチ
装置に用いられるパンチ台を示す平面図及びその
−断面説明図であり、第４図ａ，ｂ及び第５
図ａ，ｂは、それぞれ、前記パンチ台に設けられ
る吸引孔の異なる形態を示す平面図であり、第６
図は、本考案に係る角膜パンチ装置により切断さ
れた角膜を、患者の目に移植・縫合する状態を示
す説明図であり、第７図ａ，ｂは、本考案に従う
角膜パンチ装置の異なる例を示す断面説明図及び
その分解図である。
２０……角膜パンチ装置、２２……パンチ本体
、２４……ベース、２６……パンチ、２８……パ
ンチ支持部、３２……角膜設置部、３４……吸引
部、３６……吸引孔、３８……溝、４０……パイ
プ、４４……ロツド部、４６……押圧部、４８…
…切断刃、５２……スリツト、５６……跡部、５
８……マーク。
FIGS. 1a and 1b are a plan view and a cross-sectional explanatory diagram thereof, respectively, showing an example of a punch table used in a conventional corneal punch device, and FIG. 2 is a diagram showing an example of a corneal punch device according to the present invention. FIGS. 3a and 3b are a plan view and a cross-sectional explanatory view thereof, respectively, showing a punch table used in such a corneal punching device, and FIGS.
Figures a and b are plan views showing different forms of suction holes provided in the punch table, respectively.
The figure is an explanatory diagram showing a state in which a cornea cut by the corneal punch device according to the present invention is transplanted and sutured to a patient's eye, and FIGS. 7a and 7b are different examples of the corneal punch device according to the present invention. FIG. 2 is an explanatory cross-sectional view and an exploded view thereof. 20...Cornea punch device, 22...Punch body, 24...Base, 26...Punch, 28...Punch support part, 32...Cornea installation part, 34...Suction part, 36...Suction hole, 38 ... Groove, 40 ... Pipe, 44 ... Rod part, 46 ... Pressing part, 48 ...
...Cutting blade, 52...Slit, 56...Atobe, 5
8...Mark.
Claims (1)
所定の形状に切断されるべき角膜が載置される湾
曲面を有し、前記パンチとの間で該角膜の切断が
行なわれるパンチ台とを備えた角膜パンチ装置に
おいて、 該パンチ台に、前記湾曲面の中心から径方向に
延びる、周方向に略等角度の複数の線上にそれぞ
れ位置するように、且つ切断された前記所定形状
の角膜の周縁部に少なくとも位置するように、複
数の吸引孔を設けたことを特徴とする角膜パンチ
装置。 (2) 先端に切断刃が取り付けられるパンチと、
所定の形状に切断されるべき角膜が載置される湾
曲面を有し、前記パンチとの間で該角膜の切断が
行なわれるパンチ台とを備えた角膜パンチ装置に
おいて、 該パンチ台に、前記湾曲面の中心から径方向に
延びる、周方向に略等角度の複数の線上にそれぞ
れ位置するように、且つ該湾曲面の中心から切断
された前記所定形状の角膜の周縁部に至るように
、該湾曲面の中心から複数方向に延びるスリツト
を設けたことを特徴とする角膜パンチ装置。[Scope of claims for utility model registration] (1) A punch with a cutting blade attached to the tip;
A corneal punch device comprising a punch table having a curved surface on which a cornea to be cut into a predetermined shape is placed and on which the cornea is cut between the punch table and the punch table, a plurality of suction holes extending radially from the center of the curved surface so as to be located on a plurality of lines having approximately equal angles in the circumferential direction, and so as to be located at least on the peripheral edge of the cut cornea having the predetermined shape; A corneal punch device characterized by being provided with. (2) A punch with a cutting blade attached to the tip;
A corneal punch device comprising a punch table having a curved surface on which a cornea to be cut into a predetermined shape is placed and on which the cornea is cut between the punch table and the punch table, so as to be located on a plurality of lines extending in the radial direction from the center of the curved surface and having substantially equal angles in the circumferential direction, and to reach the peripheral edge of the cornea having the predetermined shape cut from the center of the curved surface, A corneal punch device characterized in that a slit is provided extending in multiple directions from the center of the curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9923890U JPH0455322U (en) | 1990-09-20 | 1990-09-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9923890U JPH0455322U (en) | 1990-09-20 | 1990-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0455322U true JPH0455322U (en) | 1992-05-12 |
Family
ID=31841024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9923890U Pending JPH0455322U (en) | 1990-09-20 | 1990-09-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0455322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH058561U (en) * | 1991-07-23 | 1993-02-05 | コニカ株式会社 | Simple camera |
-
1990
- 1990-09-20 JP JP9923890U patent/JPH0455322U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH058561U (en) * | 1991-07-23 | 1993-02-05 | コニカ株式会社 | Simple camera |