CA1292652C - Endoscope with forceps locking mechanism - Google Patents
Endoscope with forceps locking mechanismInfo
- Publication number
- CA1292652C CA1292652C CA000475156A CA475156A CA1292652C CA 1292652 C CA1292652 C CA 1292652C CA 000475156 A CA000475156 A CA 000475156A CA 475156 A CA475156 A CA 475156A CA 1292652 C CA1292652 C CA 1292652C
- Authority
- CA
- Canada
- Prior art keywords
- insertion member
- handling
- handling forceps
- locking mechanism
- lever
- 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.)
- Expired - Lifetime
Links
- 238000003780 insertion Methods 0.000 claims description 30
- 230000037431 insertion Effects 0.000 claims description 30
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 abstract description 6
- 230000000007 visual effect Effects 0.000 abstract description 6
- 210000000056 organ Anatomy 0.000 description 11
- 210000000683 abdominal cavity Anatomy 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 210000000038 chest Anatomy 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 210000002257 embryonic structure Anatomy 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 210000002394 ovarian follicle Anatomy 0.000 description 1
- 210000004681 ovum Anatomy 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 210000003200 peritoneal cavity Anatomy 0.000 description 1
- 210000004303 peritoneum Anatomy 0.000 description 1
- 210000004291 uterus Anatomy 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/12—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
- A61B1/018—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor for receiving instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B2017/347—Locking means, e.g. for locking instrument in cannula
Abstract
ABSTRACT OF THE DISCLOSURE
In an endoscope, there are provided in a manipulation terminal of an optical visual pipe thereof an eyepiece member, a light-guide, various operative instrument channels and a handling forceps channel. Further, on the handling forceps channel are mounted a gas feeding pipe and a locking mechanism for locking a handling forceps in position.
In an endoscope, there are provided in a manipulation terminal of an optical visual pipe thereof an eyepiece member, a light-guide, various operative instrument channels and a handling forceps channel. Further, on the handling forceps channel are mounted a gas feeding pipe and a locking mechanism for locking a handling forceps in position.
Description
` 1~92~i~2 ENDOSCOPE
8ACKGROUND OF TH~ INVENTIOU
Field of the in~entlon The present inventlon relates to an endoscope, and more particularly to an endoscope provided with an eyepiece member, a 1i6ht-guide mounting member, an operative instrument insertin~ member and a handlin~ forceps inserting member on a manipulating terminal of an optical visual pipe thereof Descri~tion of the Prior Art Hitherto, in this kind of endoscope there are provided a light-guide for a li~ht source mounted cn the light-guide mounting member of an optical visual pipe to a desired portion (hereinafter referred to simply as the organ) of an internal organ in the abdominal cavity or in the thorax; an image-guide for - guiding an illuminated ima8e of the organ to the eyepiece member; and an operative instrument channel for guidin6 an operative instrument and a handlin~ forceps to the organ, which instrument and forceps are inserted from the operative instrument insertion member and the handlin8 forceps insertion member, respectively The user manipulates the operative instrument or the handling forceps while he observes the organ illuminated with the light For example, when the organ is gripped with the handling forceps, locking thereof~must be performed manually by an assistant ~180, when a 8as ig in~ected into an organ ~uch as a uterus, since other instruments must also be used in addition to the endoscope, a number of assistants are required in performln~ various operations such as inspection of the inside of the abdominal cavity, a ~ur~ical operation or treatment of various kinds of the or~ans, extractin8 f ; a ~pecimen and ~o on The need for a number of assi~tants and a complex operating procedure are disadvantages of the conventional`endoscope SUHHURY OF THE I~V m IO~
Therefore, the present invention eliminates the above-mentioned di~advantage~ inherent in the conventional endoscope so as to provide an improved endo~cope whlch enables various kinds of the oper-tions such as in~pection of the inside of the abdominal cavity; surgical operation or troatment of variou- kinds of the ortan~; extraction of a pecimen and 80 on;
wbich can be performed by a small number of peoplo and as a re wlt thereof, anables these skilled people to broaden tbeir operable area ~o a~ to perforo PJI.T 8272-1 ~
: jj,,~ - 1- ~F
` ~:' , - ~
~26tiz the operation neatly and speedily.
The present invention provides a locking mechanism for lockLng the handling forceps and a gas injection member, in the handling forceps insertlon member of the conventional endoscope. Thu3, in the endoscope of the present invention, it is possible to eliminate the use of assistants for lockLng the handling forceps by providing a locXing mechanism, and in addition to this, it is possible to eliminate the need for a separate gas in~ection apparatus and an assistant for operating the same, by providing the gas injection member.
Since the endoscope of the present invention has the above-mentioned construction, it is possible to perform various kinds of operations accurately and easily due to its ability to maintain a distance between the organ to be operated upon and the eyepiece member thereof at a certain level by means of the locking mechanism which locks the handling forceps, relative to the case where the user locks the handling forceps manually. ~oreover, in the endoscope of the present invention, since there is provided a gas injection member, it i8 possible to perform a local gas injection operation in contrast to the conventional gas in~ection apparatus. As a result, it is possible to avoid damage to the peritoneum, with the use of the endoscope of the present invention, and this constitutes one of the features of the present invention.
In addition to the above features, the endoscope of the present invention has other advantages in that it is very easy to operate as the conventional type of a trocar having a complex gas injectlon apparatus is not needed in use for large animaLs and also in that it is very effective for tbe transplanting of embryos and for extraction of an ovum in a Ovarian Follicle.
BRIEP DESCRIPTION OF THE DRAWINCS
In the~ drawings:
FiB. 1 i8 a partially cut away side elevational view of an embo~lment of an endoscope of the present invention;
tl Pig. 2 is an enlarged cross-sectional view taken alon~ the line 2-2 of Pig. 1 and viewed in the direction of the arrow;
Pi8. 3 is an enlarged side elevational view of a locking mechanism for fixing the forceps shown in FLg. l;
Fig. 4 is a cross-sectional view taken along the line 4-4 of Fig. 3 and viewed in the dLrection of the arrow;
Pig. 5 is a side elevational view of another type of locking mechanism ,, i i 1~26'`~2 ~ich differs from che one shown in Figs. 3 and 4;
Fig. 6 is a cross-sectional view taken along the line 6-6 of Fig. 5 for showing the inoperative position of the locking mechanism;
Fig. 7 is a cross-sectional view taken along the line 6-6 o~ Fig. 5 for showing the operative position of the locking mechanism viewed in the di~ection of the arrow thereof;
Fig. 8 is a side elevational view of a trocar employed with the endoscope of the present invention.
DESCRIPTION OF THE PREFERRED EHBODIMENTS
~0 In Fig. 1, reference numeral 1 designates an optical visual pipe the inside of which is longitudinally partitioned by partitions 10 and 11 into an operative instrument channel 2 for ~uiding an instrument, a li~ht-guide 3 for illumination and an image-guide 4.
To manipulation terminal S of optical visual pipe 1 are attached an operative instrument inserting member 6, a handlin~ forceps insertion member 7 branched off from the operative instrument insertion member 6, a light-guide mounting member 8 and an eyepiece member 9 each of which members is of tubular shape. Channel 2 and inner channels of insertion members 6, 7 are interconnected with each other; so also are light-guide 3 and the inner channel of light-guide mounting member 8; and of eyepiece member 9 and the image-guide 4, respectively. Reference numerals 12 and 13 designate cocks which are provided in the insertion members 6 and 7, respectively.
The endoscope of the present invention has substantially the same construction as that of the conventional type of endoscope except that the gas injection member 18 and the locking mechanism 16 or 16' for locking the handlin~ forceps 17 are provided in handling forceps insertion member 7 of the present invention.
An embodiment of the locking mechanism 16 is shown in Figs. 3 and 4 and another embodiment thereof is shown in Figs. S to 7.
The locking mechanism has a casing 19 in which the forceps insertion member 7 is inserted. A slit 20, which extends in the longitudinal direction of the forceps insertion member 7, is formed in a portion of the insertion member 7, which portion is inserted in the casing 19. In a portion of the casin~ 19, which portion corresponds to the slit 20, there is provided another slit 21. An axle 22 is provided between the side walls of the slit 21, and by means of the axle 22 a lever 23 is pivotally supported in its middle portion.
In use, a trocar 31 pierces the abdominal cavity or the thorax with the Z~t~Z
use of the point of lts inner needle 33, and then the inner needle 33 is removed from outer tube 32 of the trocar 31 while the outer tube 32 i9 held in place.
Thereafter, optical visual pipe 1 of the endoscope is inserted into outer tube 32, and then the cocks 12 and 13 are closed so that gas is in~ected into the abdominal cavity from gas feeding member 34 through pas in~ection member 18 and the operative instrument channel 2.
After completion of this operation, light-guide 3 is mounted on light-guide mountin~ member 8 and a light source ~not shown) is turned on so as to inspect the organ. Then, cock 13 is opened to insert handling forceps 17 into the handling forceps insertion member 7, which forceps 17 reach the organ through the operative instrument channel 2 and then grip the organ.
When handlin~ forceps 17 grips the organ, the lever 23 is turned from its unlocked position shown by a solid line in Fig. 4 to its locked position shown by the broken line in Fig. 4 so as to press hsndling forceps 17 against the inner wall of the insertion member 7 snd lock forceps 17 in this position.
Then cock 12 is opened to insert various operative instruments into the abdominal cavity through the operative instrument insertion member 6 and the operative instrument channel 2 so as to perform the necessary operation in the peritoneal cavity, which operation may include gas injection with the use of the gas in~ection member 18, if necessary.
As shown in Figs. 5 to 7, locking mechanism 16' is different from the above-mentioned locking mechanism 16 in that slits 20' and 21' provided in the insertion member 7 and casing 19' respectively are disposed at ri8ht angles to the longitudinal axis of the insertion member 7, and in both side walls of which slit 21' there are provided arcuate grooves 25 in which opposite ends of pin 27 attached to the front end of lever 26 are slidably mounted. Curved pressing member 28 is pivotally mounted on pin 27. In such a construction, generally the pressing member 28 is positioned in the unlocked position as shown in Figs. 5 and 6. Consequently, the locXing of handling forceps 17 is performet by moving lever 26 to the locked position as shown in Fig. 7. As a result of this movement of the lever 26, pressing member 28 is pressed by side edge 29 of the slit 21' so as to press handling forceps 17 against the inner wall of the ~nsertion member 7 to lock forceps 17. The remaining part of the ^ construction of the locking mechanism 16' is substantially the same as that of lZ9Z6~Z
the former lockin~ mechanism 16.
Althou~h partlcular preferred embodiments of the present invention have been disclosed in detail for illustrativQ purposeg, it will be recognized that variation6 or modifications of the discloged endoscope of the present invention, including the rearran8ement of partg, lie within the scope of the present invention.
8ACKGROUND OF TH~ INVENTIOU
Field of the in~entlon The present inventlon relates to an endoscope, and more particularly to an endoscope provided with an eyepiece member, a 1i6ht-guide mounting member, an operative instrument insertin~ member and a handlin~ forceps inserting member on a manipulating terminal of an optical visual pipe thereof Descri~tion of the Prior Art Hitherto, in this kind of endoscope there are provided a light-guide for a li~ht source mounted cn the light-guide mounting member of an optical visual pipe to a desired portion (hereinafter referred to simply as the organ) of an internal organ in the abdominal cavity or in the thorax; an image-guide for - guiding an illuminated ima8e of the organ to the eyepiece member; and an operative instrument channel for guidin6 an operative instrument and a handlin~ forceps to the organ, which instrument and forceps are inserted from the operative instrument insertion member and the handlin8 forceps insertion member, respectively The user manipulates the operative instrument or the handling forceps while he observes the organ illuminated with the light For example, when the organ is gripped with the handling forceps, locking thereof~must be performed manually by an assistant ~180, when a 8as ig in~ected into an organ ~uch as a uterus, since other instruments must also be used in addition to the endoscope, a number of assistants are required in performln~ various operations such as inspection of the inside of the abdominal cavity, a ~ur~ical operation or treatment of various kinds of the or~ans, extractin8 f ; a ~pecimen and ~o on The need for a number of assi~tants and a complex operating procedure are disadvantages of the conventional`endoscope SUHHURY OF THE I~V m IO~
Therefore, the present invention eliminates the above-mentioned di~advantage~ inherent in the conventional endoscope so as to provide an improved endo~cope whlch enables various kinds of the oper-tions such as in~pection of the inside of the abdominal cavity; surgical operation or troatment of variou- kinds of the ortan~; extraction of a pecimen and 80 on;
wbich can be performed by a small number of peoplo and as a re wlt thereof, anables these skilled people to broaden tbeir operable area ~o a~ to perforo PJI.T 8272-1 ~
: jj,,~ - 1- ~F
` ~:' , - ~
~26tiz the operation neatly and speedily.
The present invention provides a locking mechanism for lockLng the handling forceps and a gas injection member, in the handling forceps insertlon member of the conventional endoscope. Thu3, in the endoscope of the present invention, it is possible to eliminate the use of assistants for lockLng the handling forceps by providing a locXing mechanism, and in addition to this, it is possible to eliminate the need for a separate gas in~ection apparatus and an assistant for operating the same, by providing the gas injection member.
Since the endoscope of the present invention has the above-mentioned construction, it is possible to perform various kinds of operations accurately and easily due to its ability to maintain a distance between the organ to be operated upon and the eyepiece member thereof at a certain level by means of the locking mechanism which locks the handling forceps, relative to the case where the user locks the handling forceps manually. ~oreover, in the endoscope of the present invention, since there is provided a gas injection member, it i8 possible to perform a local gas injection operation in contrast to the conventional gas in~ection apparatus. As a result, it is possible to avoid damage to the peritoneum, with the use of the endoscope of the present invention, and this constitutes one of the features of the present invention.
In addition to the above features, the endoscope of the present invention has other advantages in that it is very easy to operate as the conventional type of a trocar having a complex gas injectlon apparatus is not needed in use for large animaLs and also in that it is very effective for tbe transplanting of embryos and for extraction of an ovum in a Ovarian Follicle.
BRIEP DESCRIPTION OF THE DRAWINCS
In the~ drawings:
FiB. 1 i8 a partially cut away side elevational view of an embo~lment of an endoscope of the present invention;
tl Pig. 2 is an enlarged cross-sectional view taken alon~ the line 2-2 of Pig. 1 and viewed in the direction of the arrow;
Pi8. 3 is an enlarged side elevational view of a locking mechanism for fixing the forceps shown in FLg. l;
Fig. 4 is a cross-sectional view taken along the line 4-4 of Fig. 3 and viewed in the dLrection of the arrow;
Pig. 5 is a side elevational view of another type of locking mechanism ,, i i 1~26'`~2 ~ich differs from che one shown in Figs. 3 and 4;
Fig. 6 is a cross-sectional view taken along the line 6-6 of Fig. 5 for showing the inoperative position of the locking mechanism;
Fig. 7 is a cross-sectional view taken along the line 6-6 o~ Fig. 5 for showing the operative position of the locking mechanism viewed in the di~ection of the arrow thereof;
Fig. 8 is a side elevational view of a trocar employed with the endoscope of the present invention.
DESCRIPTION OF THE PREFERRED EHBODIMENTS
~0 In Fig. 1, reference numeral 1 designates an optical visual pipe the inside of which is longitudinally partitioned by partitions 10 and 11 into an operative instrument channel 2 for ~uiding an instrument, a li~ht-guide 3 for illumination and an image-guide 4.
To manipulation terminal S of optical visual pipe 1 are attached an operative instrument inserting member 6, a handlin~ forceps insertion member 7 branched off from the operative instrument insertion member 6, a light-guide mounting member 8 and an eyepiece member 9 each of which members is of tubular shape. Channel 2 and inner channels of insertion members 6, 7 are interconnected with each other; so also are light-guide 3 and the inner channel of light-guide mounting member 8; and of eyepiece member 9 and the image-guide 4, respectively. Reference numerals 12 and 13 designate cocks which are provided in the insertion members 6 and 7, respectively.
The endoscope of the present invention has substantially the same construction as that of the conventional type of endoscope except that the gas injection member 18 and the locking mechanism 16 or 16' for locking the handlin~ forceps 17 are provided in handling forceps insertion member 7 of the present invention.
An embodiment of the locking mechanism 16 is shown in Figs. 3 and 4 and another embodiment thereof is shown in Figs. S to 7.
The locking mechanism has a casing 19 in which the forceps insertion member 7 is inserted. A slit 20, which extends in the longitudinal direction of the forceps insertion member 7, is formed in a portion of the insertion member 7, which portion is inserted in the casing 19. In a portion of the casin~ 19, which portion corresponds to the slit 20, there is provided another slit 21. An axle 22 is provided between the side walls of the slit 21, and by means of the axle 22 a lever 23 is pivotally supported in its middle portion.
In use, a trocar 31 pierces the abdominal cavity or the thorax with the Z~t~Z
use of the point of lts inner needle 33, and then the inner needle 33 is removed from outer tube 32 of the trocar 31 while the outer tube 32 i9 held in place.
Thereafter, optical visual pipe 1 of the endoscope is inserted into outer tube 32, and then the cocks 12 and 13 are closed so that gas is in~ected into the abdominal cavity from gas feeding member 34 through pas in~ection member 18 and the operative instrument channel 2.
After completion of this operation, light-guide 3 is mounted on light-guide mountin~ member 8 and a light source ~not shown) is turned on so as to inspect the organ. Then, cock 13 is opened to insert handling forceps 17 into the handling forceps insertion member 7, which forceps 17 reach the organ through the operative instrument channel 2 and then grip the organ.
When handlin~ forceps 17 grips the organ, the lever 23 is turned from its unlocked position shown by a solid line in Fig. 4 to its locked position shown by the broken line in Fig. 4 so as to press hsndling forceps 17 against the inner wall of the insertion member 7 snd lock forceps 17 in this position.
Then cock 12 is opened to insert various operative instruments into the abdominal cavity through the operative instrument insertion member 6 and the operative instrument channel 2 so as to perform the necessary operation in the peritoneal cavity, which operation may include gas injection with the use of the gas in~ection member 18, if necessary.
As shown in Figs. 5 to 7, locking mechanism 16' is different from the above-mentioned locking mechanism 16 in that slits 20' and 21' provided in the insertion member 7 and casing 19' respectively are disposed at ri8ht angles to the longitudinal axis of the insertion member 7, and in both side walls of which slit 21' there are provided arcuate grooves 25 in which opposite ends of pin 27 attached to the front end of lever 26 are slidably mounted. Curved pressing member 28 is pivotally mounted on pin 27. In such a construction, generally the pressing member 28 is positioned in the unlocked position as shown in Figs. 5 and 6. Consequently, the locXing of handling forceps 17 is performet by moving lever 26 to the locked position as shown in Fig. 7. As a result of this movement of the lever 26, pressing member 28 is pressed by side edge 29 of the slit 21' so as to press handling forceps 17 against the inner wall of the ~nsertion member 7 to lock forceps 17. The remaining part of the ^ construction of the locking mechanism 16' is substantially the same as that of lZ9Z6~Z
the former lockin~ mechanism 16.
Althou~h partlcular preferred embodiments of the present invention have been disclosed in detail for illustrativQ purposeg, it will be recognized that variation6 or modifications of the discloged endoscope of the present invention, including the rearran8ement of partg, lie within the scope of the present invention.
Claims (2)
1. In an endoscope comprising an endoscopic pipe having a manipulation terminal thereon, said manipulation terminal having mounted thereon an eyepiece member, a light-guide mounting member, an instrument insertion member and a handling forceps insertion member, the improvement which comprises:
said handling forceps insertion member has a gas injection member and a locking mechanism mounted thereon, said locking mechanism being adapted for locking a handling forceps in position, said locking mechanism comprising a casing through which extends said handling forceps insertion member, said casing and said handling forceps insertion member having slits in corresponding portions thereof which slits communicate with each other, a lever and pivot means mounting the middle portion of said lever on said casing between the sidewalls of the slit thereof, so that said lever can be pivoted into said handling forceps insertion member, said lever having a front end portion which is adapted to lock in position a handling forceps which has been inserted in said handling forceps insertion member.
said handling forceps insertion member has a gas injection member and a locking mechanism mounted thereon, said locking mechanism being adapted for locking a handling forceps in position, said locking mechanism comprising a casing through which extends said handling forceps insertion member, said casing and said handling forceps insertion member having slits in corresponding portions thereof which slits communicate with each other, a lever and pivot means mounting the middle portion of said lever on said casing between the sidewalls of the slit thereof, so that said lever can be pivoted into said handling forceps insertion member, said lever having a front end portion which is adapted to lock in position a handling forceps which has been inserted in said handling forceps insertion member.
2. In an endoscope comprising an endoscopic pipe having a manipulation terminal thereon, said manipulation terminal having mounted thereon an eyepiece member, a light-guide mounting member, an instrument insertion member and an elongated handling forceps insertion member, the improvement which comprises:
said handling forceps insertion member has a gas injection member and a locking mechanism mounted thereon, said locking mechanism being adapted for locking a handling forceps in position, said locking mechanism comprising a casing through which extends said handling forceps insertion member, said casing and said handling forceps insertion member having lateral slits in corresponding portions thereof which slits communicate with each other and extend at a right angle to the longitudinal axis of said handling forceps insertion member, said slit in said casing having opposed side walls having arcuate grooves therein, a pin extending across said slit in said casing and having end portions slidably mounted in said grooves, a lever having a front end mounted on said pin for movement therewith, a pressing member mounted on said pin for pivotal movement so that said pressing member can be pivoted by said lever into said handling forceps insertion member, said lever having a pressing portion which is adapted to lock in position a handling forceps which has been inserted in said handling forceps insertion member.
said handling forceps insertion member has a gas injection member and a locking mechanism mounted thereon, said locking mechanism being adapted for locking a handling forceps in position, said locking mechanism comprising a casing through which extends said handling forceps insertion member, said casing and said handling forceps insertion member having lateral slits in corresponding portions thereof which slits communicate with each other and extend at a right angle to the longitudinal axis of said handling forceps insertion member, said slit in said casing having opposed side walls having arcuate grooves therein, a pin extending across said slit in said casing and having end portions slidably mounted in said grooves, a lever having a front end mounted on said pin for movement therewith, a pressing member mounted on said pin for pivotal movement so that said pressing member can be pivoted by said lever into said handling forceps insertion member, said lever having a pressing portion which is adapted to lock in position a handling forceps which has been inserted in said handling forceps insertion member.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36848/1984 | 1984-02-28 | ||
| JP59036848A JPS60179033A (en) | 1984-02-28 | 1984-02-28 | Laparoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1292652C true CA1292652C (en) | 1991-12-03 |
Family
ID=12481179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000475156A Expired - Lifetime CA1292652C (en) | 1984-02-28 | 1985-02-26 | Endoscope with forceps locking mechanism |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4607619A (en) |
| JP (1) | JPS60179033A (en) |
| CA (1) | CA1292652C (en) |
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|---|---|---|---|---|
| US4834518A (en) * | 1983-05-13 | 1989-05-30 | Barber Forest C | Instrument for visual observation utilizing fiber optics |
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| US4802487A (en) * | 1987-03-26 | 1989-02-07 | Washington Research Foundation | Endoscopically deliverable ultrasound imaging system |
| FR2621473A1 (en) * | 1987-10-09 | 1989-04-14 | Wolf Gmbh Richard | mediastinoscope |
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| US6109500A (en) * | 1996-10-04 | 2000-08-29 | United States Surgical Corporation | Lockout mechanism for a surgical stapler |
| DE19748579C2 (en) * | 1997-11-04 | 2000-02-03 | Storz Karl Gmbh & Co | Endoscopic instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1127948A (en) * | 1914-12-31 | 1915-02-09 | Reinhold H Wappler | Cystoscope. |
| US1880551A (en) * | 1929-10-05 | 1932-10-04 | Reinhold H Wappler | Endoscope |
| JPS4811757U (en) * | 1971-06-21 | 1973-02-09 | ||
| JPS5461050A (en) * | 1977-10-24 | 1979-05-17 | Nippon Almit Kk | Metal brazing alloy |
| JPS5545316U (en) * | 1978-09-20 | 1980-03-25 | ||
| JPS5910967Y2 (en) * | 1979-05-22 | 1984-04-05 | オリンパス光学工業株式会社 | endoscope forceps plug |
| JPS5643284U (en) * | 1979-09-12 | 1981-04-20 | ||
| US4369768A (en) * | 1980-07-30 | 1983-01-25 | Marko Vukovic | Arthroscope |
| DE3206381C2 (en) * | 1982-02-22 | 1986-07-10 | Olympus Winter & Ibe GmbH, 2000 Hamburg | Percutaneous nephroscope |
| GB2130889B (en) * | 1982-11-26 | 1986-06-18 | Wolf Gmbh Richard | Rectoscope |
-
1984
- 1984-02-28 JP JP59036848A patent/JPS60179033A/en active Granted
-
1985
- 1985-02-26 CA CA000475156A patent/CA1292652C/en not_active Expired - Lifetime
- 1985-02-26 US US06/705,761 patent/US4607619A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0464688B2 (en) | 1992-10-15 |
| JPS60179033A (en) | 1985-09-12 |
| US4607619A (en) | 1986-08-26 |
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