US1780912A - Dilator - Google Patents

Dilator Download PDF

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Publication number
US1780912A
US1780912A US154471A US15447126A US1780912A US 1780912 A US1780912 A US 1780912A US 154471 A US154471 A US 154471A US 15447126 A US15447126 A US 15447126A US 1780912 A US1780912 A US 1780912A
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United States
Prior art keywords
blades
sleeve
yoke
dilator
blade
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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
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US154471A
Inventor
Henry F Gau
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Henry F Gau
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Publication date
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Priority to US154471A priority Critical patent/US1780912A/en
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Publication of US1780912A publication Critical patent/US1780912A/en
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Application status is Expired - Lifetime legal-status Critical

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M29/00Dilators with or without means for introducing media, e.g. remedies

Description

rectum and associated p from the blades.`

Y The lower` extremi 1 T is connected at the rear to slide on a curved support or yoke attached at one end to the lower rear extremity of thek other blade.

Patented Nov. 11, 1930 L AHENRY F. een, oncinciimafii, oiiio i Application filed December 1 'Biberon This invention relates particularly toi a dilator belonging Vto aA clas ments used principally for minor I have evolved, as a new facture, a dilator,

simple in in use,

operations.

construction,

its contour, shape,

s of surgical instru# for examination and article of manucheap of manufacture, and highly efficient and arrangement of parts adding great utility to the same.

The vusual forms o f dilators have a considerable tendency to distort Vthe vagina,

arts and thereby make a manual or binianual examination somewhat dilater is easi uncertain.

ly inserted iar contour and shape of her with the oblique arted to the blades and on ac- Vor sides by the connecting support, the

vagina or the rectum same time shieldsy or the sleeve dilated and at the forced inward, the great expansion and guards, and

The blades and guide that in the desired predeterm ing, the pressure on rt being to the e free use ofthe hands or end and where the tissue by thus expanding ee of distortion, at

end, does f two suitably shaped are expanded at their flanges which act as which extend outward ty ofone of these blades toa sleeve adapted are so attached to they come together for insertion and travel ined path in openthe blades by the wallsV of the vagina, or the rectum, causing the device to remain opened'as adjusted.

My dilat rectal abd ondary muscular spasmo ing exerted upon the examining finger or fingers in may be.

the vagina or This is obtaine or permits a vaginal abdominal or ominal bimanual without a secdic contraction berectum as the case d without any diss, 1926,' serial No. 154,471. l

tortion, displacement or malposition offa'ny of the internal organs or tissues.

The various novel features of the invention whereby the Adesired results 'are obtainedwill be more fully set. forth bv reference tothe V55. accompanying drawings and description and' will be Vmore full d lined bythe'appended calms."k

in ve0 Fig.'4,is a of the' blades, and y Fig. 5, is a perspective view of my dilator, opened@v V7.0 As illustrated inthe drawings theblades or wings 1 and 2 arev made of any 'suitable material and are sol formed andof such conf tour'asto prevent iniury to the delicate tissue and atthe same time admit of easy insertion. At they re'aroffblades 1- and 2, respectively, I provide flanges 3 and 4 pref,- erably integral therewith. These yfl'anges'are wider to the sides 5 and 6v than either top 7 and 8. or bottom 9 .and 10, in orderthatthey mayl hold back the tissue a's'they are expanded. `The `lower rearextremity ofthe blade-2 is rigidly secured toa yoke '.15 and the lower vrear extremitylfof the. bladelis' Y rigidlysecured to a sleeve 14 adaptedto slide easilyonv the 'yoke 15. Y

The yoke 15 and the sleeve'14 are soformed and attached to the blades 1 and 2, thattheA sleeve 14attaehed to blade 1, will slide past blade 2 at'its-point of attachment to `yoke 15 and likewise thefyoke 15 attached to blade 2 will slide past blade 1 at the point of attachment to ,sleeve 14, causing the yoke 15 and sleeve 14-to telescope in such mannerthat when the blades'are open, 5,-the yoke15 and sleeve 14 will be within the limits of the blades1and2. V, ;=The blades 1 and 2.are preferably` made of light material andare cut away in the center to form open spaces 12 and 13 in order lthat 100 i ofthefyoke,y said blades being"co-opera'tivelyv f x mounted by entry of the yoke into tliefsleeve :i theym'ay hold in position more firmly `and examination.

y attthe same time giving more yfreedomfor The blades 11 and l2 l:are cutaway at vthe upper rear, see parts marked 17 and 18, to

A,afford a maeimumv opening at the upper Side with a minimumtamount of expansion. f The pos1t1on,vas shown'in Fig.V

and sety obliquely'rwith referenceto theiaxis 'i ;o,fthebitdttiftnaa H Infthe. operationof my-dilat'or theblades.

11and12 brought together` as shown-iniFirgs.- l

, `'and v2V areinserted in theava'gina' or therectum, ytheangfby,:force.applied'at9and l0 manually,

the blades l and2 are separatedand by reason of theiry ourvedpath offtravelduestocurved l, yokel'5`an`d:tliG-sleeve'l' slidingthereon theY blades l andZytare drawn inwardly being the flanges SandI tpressi'zjonY the outerftissue vand when thus expanded vthe space'between 17 and 18 is suficient' for the purposes of exf aminatlon or for certain minor operations,k

I have described the preferred constrution f j i 7, VV1,730,912

' Adilatorofithe class describedcompris,--

ing two blades, a supporting yoke andasup-v Y j porting sleevetelescopically received therein,

of the blades attached thereto,` said support ing'yoke inthe sleeve vbeing' arcuate and eX-v tendingrfroma comlnonedge of their respectivebiadee so that movement ofthe blades away fromone another eie'ots simultaneously a. bodily separationof the 'pendent vradial I"turning of :the blades away from one another, pressure on'the blades serv- In testimtyfwtetetf, I aux myl Signature blades and indeeV each of said telescoping membershaving one Aj'g 'to veffect frictiona-l binding of the' Support i fyOltGiu/ld sleeve. l .Y p

so Y v 'restrained fom'jjundue inward?movementy by t of m invention, it wilhhoweverybe under; ffk

stoo that thesainefiscapable,of somechanges t and modifications and I wish to be understood 'Y l as claimingl all v modifications and changes whith'ttiifwithinitht stopt' of this Specim- 4tion,andtltitnet..ff

` 'VVhat I'elaim as newand-.my inventionand y desi-re to secure byLetter-s Patent-is: t,

,f "A ydil'atori-comprising5a pairof' blad falli" Vmembers-havingcurved*laterally`-flaring angesdisposed'substantially transversely of the'len'gth'andwidthxoftheblades,-apaii of Y, arcuat'e telescopically' sliding members', se i; `cureel'onejaiafzhtto the fianges :it.thetop'of the 'Y y f blades, the aro'fofj the telescoping members flying; infaf idowiwardlyf L'and forwardly inft 7 'elinedpla'n'efrelative to fthe" anges whereby Y Y,

tofprovifdefors'elf binding rictional engage v pressure of t'issueslseparatedfbytheblades.

ateL sleeve', a' complementary -yok'eA slidab'le in secured to, an edgeof the sleevea'tthe slot and `ext'ending'in an'oblique plane thereto, a comi- Vple'mentary blade on j the' proj ectingv portion and frictionally retained in 'adjusted-posi# tionsbyengagement yof theyok-e inthetsleeve' *A upon'opposingpressulresron the'blades.

eom-bination of a,longitudinallyslottedi aroul 'y 2. In afdevice of Ythe class described there. l

I flso

US154471A 1926-12-13 1926-12-13 Dilator Expired - Lifetime US1780912A (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4156424A (en) * 1978-05-01 1979-05-29 Burgin Kermit H Locking adjustable speculum
US8540628B2 (en) 2010-02-12 2013-09-24 Covidien Lp Expandable thoracic access port
US8574155B2 (en) 2010-02-12 2013-11-05 Covidien Lp Expandable surgical access port
US8579810B2 (en) 2010-02-12 2013-11-12 Covidien Lp Expandable thoracic access port
US8597180B2 (en) 2010-08-12 2013-12-03 Covidien Lp Expandable thoracic access port
US8777849B2 (en) 2010-02-12 2014-07-15 Covidien Lp Expandable thoracic access port
US8864658B2 (en) 2010-08-12 2014-10-21 Covidien Lp Expandable surgical access port
US8961408B2 (en) 2010-08-12 2015-02-24 Covidien Lp Expandable surgical access port
US8961409B2 (en) 2011-12-07 2015-02-24 Covidien Lp Thoracic access assembly
US9039610B2 (en) 2011-05-19 2015-05-26 Covidien Lp Thoracic access port
US9119665B2 (en) 2011-03-21 2015-09-01 Covidien Lp Thoracic access port including foldable anchor
US9247955B2 (en) 2010-08-12 2016-02-02 Covidien Lp Thoracic access port

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4156424A (en) * 1978-05-01 1979-05-29 Burgin Kermit H Locking adjustable speculum
US8540628B2 (en) 2010-02-12 2013-09-24 Covidien Lp Expandable thoracic access port
US8574155B2 (en) 2010-02-12 2013-11-05 Covidien Lp Expandable surgical access port
US8579810B2 (en) 2010-02-12 2013-11-12 Covidien Lp Expandable thoracic access port
US9402613B2 (en) 2010-02-12 2016-08-02 Covidien Lp Expandable thoracic access port
US8777849B2 (en) 2010-02-12 2014-07-15 Covidien Lp Expandable thoracic access port
US9597114B2 (en) 2010-08-12 2017-03-21 Covidien Lp Expandable surgical access port
US8961408B2 (en) 2010-08-12 2015-02-24 Covidien Lp Expandable surgical access port
US8864658B2 (en) 2010-08-12 2014-10-21 Covidien Lp Expandable surgical access port
US8597180B2 (en) 2010-08-12 2013-12-03 Covidien Lp Expandable thoracic access port
US9247955B2 (en) 2010-08-12 2016-02-02 Covidien Lp Thoracic access port
US9168031B2 (en) 2010-08-12 2015-10-27 Covidien Lp Expandable thoracic access port
US9119665B2 (en) 2011-03-21 2015-09-01 Covidien Lp Thoracic access port including foldable anchor
US9549722B2 (en) 2011-03-21 2017-01-24 Covidien Lp Thoracic access port including foldable anchor
US9039610B2 (en) 2011-05-19 2015-05-26 Covidien Lp Thoracic access port
US8961409B2 (en) 2011-12-07 2015-02-24 Covidien Lp Thoracic access assembly
US9629657B2 (en) 2011-12-07 2017-04-25 Covidien Lp Thoracic access assembly

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