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Publication numberUS1782814 A
Publication typeGrant
Publication dateNov 25, 1930
Filing dateJan 3, 1927
Priority dateJan 3, 1927
Publication numberUS 1782814 A, US 1782814A, US-A-1782814, US1782814 A, US1782814A
InventorsEugene Froehlich
Original AssigneeEugene Froehlich
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Obstetrical extractor
US 1782814 A
Abstract  available in
Images(2)
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Claims  available in
Description  (OCR text may contain errors)

Nov. 25, 1930, E. FROEHLICH 1,782,814

OBSTETRICAL EXTRACTOR Filed Jan. 5, 1927 2 Sheets-Sheet l INVENTOR Eugene Froehhch BY W4 P ATT NEYS Nov. 25, 1930. E. FROEHLICH OBSTETRICAL EXTRACTOR Filed Jan. 3, 1927 2 Sheets-Sheet 2 INVENTOR Eugene Fehlich ATTORNEYS a V Patented Nov. 25, 1930 EU EN FnoEHriIoH, orfiv iw YORK, N. Y.

- OBSTEITRICAL nxTRAorroR Application filed January 3, 1927. Serial No; 158,490.

This invention relates to an obstetrical extractor.

As is Well known, in difficult labor cases Where the child is high up ,in the abdomen and for some mechanical reason, vsuch as slight contraction of the pelvis or large size of thechild, or Weakness of'the mother, normal spontaneous birth cannot gtake place, it has been the :practice heretofore to employ r a forced method of delivery by means'of forceps; gHigh forceps delivery, hovteverpis attended with manydifliculties and seriousn disadvantages, becauseof the-serious physical dangers that suclimethod of ldelivery entails 5 bothtofthechildand toithe mother.

To overcomethedisadvantages incident to high forceps delivery, delivery by i Ceesarian sectionihas come into preference andiatpresent is almost universallyemployed. :Caesar- '3 ian sectiomhovvever, While havingmany advantages, has among others; the disadvantage of requiringa repetition of the samedn most cases; at every childbirth onceithas been pen formed, on account of the danger -oflsubsequent rupture of the uterus. Moreover, some of the cases with onlyslightdystociashould notrequire a Caesarian section inevery-pregnancy. a p

prime desideratum ofmypresent invention centers about the provision of an obstetrical extractor adapted to lee-employed formethods of forced delivery in Which the disadvantages incident to the 1 use of prior 4 methods of forced deliveryare effectively obviated. One of the major reasons why high forceps is objectionable and ill adapted to handle or manipulate rthe fetus=is because the axis of traction =employed with forcepsis not" the proper one'to employ. 'Thisobjection has been=partly overcome by theuse of the socalled axis traction'forcepsn,which although improving the axis of traction, does not yield and 'islinca-pable of iyielding the true axis a through Which the child s head must travel in the process of delivery. The correct axis oftraction isin a line lying in thepelvic plane about tothe'horizontalyand it has been 7 impossible by the meansrheretofore usedto J approximatekor attain: thisv axis of: tractlon.

therefore, comprehends the provision of an obstetrical appliance designed and con; structed so as torperrnit fwith' great facility the Withdrawal of the child in the trueaxis oftraction, and aiicorrollary object of my present invention relates ,to the provision of an obstetrical extractor of this nature "capa ble of affording a varietyof different lever ages and the possibility of usingftraction' in any, direction, permitting thereby the opti mum freedom of manipulationfof the child. Other disadvantages found in ;the use of forceps or similar appliances have their origin in the difiic'ulty of usinglsucht forceps or similar appliances for effecting flexingor extending of the childs head, depending upon. its-position of ;presentation. Asuming, as in most cases, thatthe child ,presentsdtself in nor naltor left occipitoanterior position and that the childs head is above ,the rim of the pelvis and not yet engaged it 13am possible with the use of priorg known instrumentstoj bring the childs-head doyvn, into,the pelviswhileat the same timefiexing the same, concomitant movements yvhich are, highly desirable infacilitatingforced delivery. p Af-urther prime object of myhpresentim ventionlrela-tes to the provision of anohstetrical extractor which is lllfiLlB throughout" of a flexible, yieldable; and soft, material capable of being rea ily ppliedto the maternal parts and the baby,-and manipulated and withdrawn Without causing harm or injury, temporary or permanent, to mother or child.

1 To the accomplishment, of 1 the foregoing and such other, objects as Will :hereinafter appear, my invention consistsin the elements and their relation one tothe other, as hereinafter more particularly described principal object of mypresent invention,

and sought to be definedf in the claims; referencebeing had to the accompanying dravvings vvhich show the preferred embodiment ofm invention and in Which; My v 7 n i i a Fig. l is a view showing the manner of using :the, obstetrical extractor Q embodying the principles of my present invention,

tractorlwith parts shown in section and other parts broken away to disclose the relation between the parts of the same,

Fig. 3 is a view showing the manner of threading the contracting means forming part of the extractor,

Fig.4 is an enlarged fragmentary view taken in cross-section in the plane of the line H, Fig. 2, depicting the manner of constructing the extractor,

Figs. 5 and 6 are front and side elevational views respectively of an applicator employed in the use of the extractor, and

Figs. 7 and 8 are views showing in sequence steps employed for applying or placing the extractor in position in the employment of the same.

Referring now to the drawings and having reference first to Fig. 2 thereof, the obstetrical appliance of my invention comprises a structure made wholly of a flexible, yieldable and soft material adapted to be applied over so as to preferably envelop the childs head, said envelope structure comprising a contractible head receiving section A and a tractor section B attached to and depending from said head receiving section A, the said head receiving and tractor sections being designed and constructed so as to produce a bag-like appliance which may be applied-onto the childs head and manipulated with ordinary skill so as to secure or render possible a variety of difiierent leverages and traction in any desired direction, and so as to permit of obtaining the functions of flexing, extending and rotating of the childs head with a substantial degree of freedom.

The head receiving and tractor sections A and B respectively are preferably made integral in a manner to be described hereinafter; and for the purpose of permitting the flexibility of operation desired and of eliminating all metal parts which may tend to re sult in bodily injury to the child or the ma.- ternal parts, the same are made of soft, flexible and yieldable fabric, such as silk or the like. In its more specific aspects the head receiving section A comprises a band having a diameter 10 sufficient in length to permit the placement of the band over the childs head, the width 11 of the band being selected so that the said band may be lodged when in contracted condition around the neck of the childs head to form a receptacle or envelope for the head, with the soft portions of the head engaged to permit tractive force to be applied to the whole head as distinguished from any portion thereof. The tractor section B in the preferred construction comprises three or more tractor legs 12, 13 and 14 disposed relatively to the head receiving section A and relatively to one another so as to permit the variety of leverages desired to effect suitable traction and other manipulation. More specifically, these tractor legs are so disposed, referring nowto Figs; 1, 2

and 8, that the tractor leg 12 is attached to the head receiving section A at a region which is to be applied anteriorly to the head presentation, while the pair of additional tractor legs head receiving section at regions which are to be applied posteriorly and laterally to the head presentation and arranged at opposite sides of the tractor leg 12.

For contracting the head receiving section A there is provided a contracting means in the form of a draw string generally designated as C which is provided with a loop 15 seated in a channel defined by a pair of bands 16 and 17 attached exteriorly to the base of the head receiving section A, the said loop being provided with means for limiting the degree or extent of contraction of the neck to a predetermined amount, such means consisting of a. knot 18 having an H open loop 18 receiving one end 15' of said loop 15, which open knot 18 cooperates with a fixed knot 19 in said loop 15 and located at a predetermined distance from the open knot 18. As will be readily seen from Fig. 3 of the drawings, when the opposite ends 15 and 15 of the draw string are pulled, the loop will be contracted until the knot 19 is stopped by the knot 18, a predetermined degree of contraction being thereby effected, this for the purpose of fixing the enveloping neck receiving band A at the base and about the neck of the childs head, as shown in Fig. 1 of the drawings.

For assisting in placing the extractor in operative position, the extractor is provided with a plurality of pockets, each preferably located in the traction legs 12, 13 and 1 1 and extending to the base of the head receiving section A, the said pockets being formed between the plies of the material from which the appliance is fashioned, as will be seen further hereinafter, the said pockets being shown beginning at the slits or openings 20, 21 and 22 provided in the traction legs 12 to 14 and terminating at the top or base of the head receiving section A, said pockets being adapted for receiving positioning applicators 23, 24 and 25 or for manual application (see particularly Figs. 7 and 8) to be explained more in detail hereinafter. In the preferred construction the traction legs 12 to 1 1 are provided with hand grasp means formed by folding up the bottom ends of the traction legs and attaching the same to mid portions of said legs so as to form one or a plurality of openings 26 through which the hands of the doctor may be inserted for securely grasping the traction legs in the ma nipulation of the instrument.

To construct the obstetrical extractor of my invention economically, I prefer to use the following method: Two pieces of silk or other soft, strong but thin material a and I) (see Figs. 2 and 4 of the drawings) 13 and 1A are attached to the are first out tothe desired configuration, producing in each the band and traction leg sec tions, and the opposite ends of each of these pieces are sewed together by linesof stitching, as at 27 andl28 respectively, to form two tubular sections. .To the section or piece a the pair of channel defining bands 16 and 17 are thensewed, leaving openings29 and 30 at spaced points in the head receiving band A through which the ends 15 and 15 of the draw string 15 are threaded, and these ends may besuitab'ly finished ofl as shown in the drawings. The two tubular sections A and Bare thenla'id one within the other and are sewed together by sewing the top by the line of stitching 31, and all. the meeting edges of the traction legs by the lines of stitching 32.. The slits20 to 22 are then cut. for forming the pockets defined by the multi-ply layers a, 6 see particularly Fig.

4.) and said openings may then be suitably finished. The lower ends of thetraction legs 12'and 14: are then folded or turned up and sewed by one or more horizontal.

lines of stitching 33, 33 toform the hand grasp openings 26. The draw string C is applied by first taking a silk' cord and threading the same through the channel defined by the bands 16 and 17, both ends of the cords being brought out at one endof the openings, such as 30. y The knot 19 is then tied on either part of the cord that is extending out of the channel close to the opening of the channel. ,The'o-therend of the cord is then pulled and. the loop knot 18 formed thereon at a pointin the loop 15 located at a predetermined distance, such as ten inches, from the knot 19. The free end of the cordon which the knot 19 is tied is then pulled through the loop 18 of the knot 18, which loop should be large enough to permitthecord to be pulled therethrough butsmall enough to prevent the knot 19 from being pulled therethrough. The end of the cord 15 is then pulled through the opposite opening29, the final arrangement of the parts being as depicted in Figs. 2

and 3 of the drawings. 7

Referring now to Figs. 7, 8 and 1, I show sequential steps exemplifying the manner of applying and using the-obstetrical extractor of myinvention. A suitable preferably flexible applicator 23 of my own design shown particularly in Figs. 5 and 6 of the drawings is first slipped into the'slit 20 and into the pocket of the traction leg 12, as is clearly shown in Fig. 7 of the drawlngs, the

said applicator comprising in thepreferred construction a very' flexible pocket receiving portion 23 and an upturned handle portion 23 producing the assembly shown n Fig. 7 of the drawings. This assembly is then introduced through the vaginal canal into the uterus over that part of the childs head presenting anteriorly. the same being then held in this position by the physician or. an assistant. Then either manually or by means of suitable lateral applicators such as forceps the right or left blade ofthe lateral applicators 24 and 25being introduced into the pocket of either the traction leg 13 or 14 according to the choice of the operator, and-with that leg applied over the childs head the blade of the other forceps isintroclosed after a little manual adjustment into I the pocket of the third traction leg and into the uterus on the other side and over the childs head. The parts so applied produce the assembly generally shown Fig. 8 of the drawings. Now withthe applicator and two forcep blades in this position, the ends 15 and15 of the draw string are pulled until predeterminedly stopped by the ,meeting of the knots 18 and 19, after-which the forceps 24: and25 and the applicator 23 are removed and the appliance is in the position as shown in Fig. 1 ready fortraction. I a

With the parts of the extractor in the position shown in Fig.1 of the drawings, traction may then be applied in any suitable. and r in the proper direction, accordingto theposition of the childs head; It will now be readily seen that the construction of the extractor characterized by its envelope formation, the surrounding receptacle support for the childs head at thebase thereof, and'the three defined pointsqof application or traction, and characterized by the flexibility and V yieldability thereof, permits such utilizationof leverages as occasion demands and permits the use of the correct axis of trac ice tion 45 to the horizontal as shown in Fi 1 of the drawings. Where the presentation is in the normal or left occipito-anterior position, it becomes possible by suitably applying differential forces to the three traction legs 12 to mother or child.

to 14c to bring. the childs head down into the f are The manner of making and using the ex tractor of my invention and the many advantages offered thereby will in the main be fully apparent from the above detailed descript-ion thereof. It will be further app e rent that while I have shown and described my invention in its preferred form, that many changes and modifications may be 1:20 any hal'ln ()1 1111111 3 tenlpOraly 01'. 13811113218111 made in the structure disclosed Without departing from the spirit of the invention, defined in the following claims.

I claim:

1. An obstetrical extractor comprising a flexible envelope structure adapted to be applied over the childs entire head and chin, said envelope structure including a section contractible about the base of the childs head and forming an enveloping receptacle for said head, and a tractor section connected to and depending from said head receiving section.

2. An obstetrical extractor comprising an envelope structure made Wholly of a flexible, yieldable and soft material adapted to be applied over and envelope the childs entire head and chin, said envelope structure including a section contractible about the base of the childs head and forming an enveloping receptacle for said head, and a tractor section connected to and depending from said head receiving section, said envelope structure having a plurality of pockets adapted for receiving applicators to position the said head receiving section entirely over the childs head.

3. An obstetrical extractor comprising an envelope structure made of a flexible and yieldable material adapted to be applied over the childs entire head and chin, said envelope structure including a section, a tractor section contractible about the base of the childs head and forming an enveloping receptacle for said head, connected to and depending from said head receiving section and means independent of said tractor section for contracting the head receiving section under the chin to envelope the entire head of the child.

a. An obstetrical extract-or comprising a flexible envelope structure adapted to be applied over the childs head, said envelope structure including a neck enveloping and head receiving section and a plurality of treetor elements connected to said neck enveloni ng and head receiving section at at least three spaced points thereabout.

5. An obstetrical extractor comprising an envelope structure made Wholly of a flexible, yieldable and soft material adapted to be applied over a childs head, said envelope structure comprising a contractible neck receiving section, an enveloping head receiving section, a plurality of tractor elements connected to said head receiving section at a plurality of points spaced thereabout, the said head receivin section and tractor elements all lying in a substantially tubular surface, and means for contracting the neck receiving section.

6. An obstetrical extractor comprising a flexible envelope structure adapted tobe applied over a childs entire head and chin, said envelope structure comprising a band contractible about the base of the childs head and a plurality of tractor legs connected to said neck receiving band at at least three points spaced thereabout, the said neck receiving band and tractor legs all lying in a tubular surface and adpated to envelope the full head of the child when placed thereon and means for contracting the neck receiving band to a predetermined degree.

7. An obstetrical extractor comprising an envelope structure made wholly of a soft and yieldable fabric adapted to be applied over a childs head, said envelope structure comprising a contractible head receiving band and a. plurality of tractor legs fixedly connected to said head receiving band at a plurality of points spaced thereabout, the said tractor legs being provided with pockets extending to the base of said band for receiving applicators to position the head receiving band over the childs head and a. draw string having a loop threaded through and CllClilllf91- entially about said band for contracting the same, the said draw string including means for limiting the degree of contraction thereof.

8. An obstetrical extractor comprising a structure made wholly of a soft and yieldable material, the said structure including a head receiving section having a part adapted to be placed over and surround the childs head at the base thereof and a part for enveloping the said head, a tractor section attached to said head receiving section at a region which is to be applied anteriorly to the head presentation, and a pair of additional tractor sections attached to the said head receiving section at regions which are to be applied posteriorly and laterally to the head presentation and arranged at opposite sides of the first-mentioned tractor section.

9. An obstetrical extractor comprising a structure made Wholly of a soft and yieldable material, the said structure including a contractible head receiving section having a part adapted to be placed over and surround the childs head at the base thereof and a part for enveloping the said head, a tractor section attached to said head receiving section at a region which is to be applied anteriorly to the head presentation, and at least a pair of additional tractor sections attached to the said head receiving section at regions which are to be applied posteriorly to the head presentation and arranged at opposite sides of the first-mentioned tractor section, and means for predeterminedly contracting the head receiving section.

10. An obstetrical extractor comprising an envelope structure made Wholly of a soft and yieldable material adapted to be applied over the childs head and contractible at the base thereof, said envelope structure comprising a contractible head receiving band, a plurality of tractor legs attached to and integral with said head receiving band, the said tractor legs being each provided with a longitudinally arranged pocket extending to the base of said head receiving section for receiving positioning applicators, means on said head receiving section defining a circumferential draw string channel, a draw string having a loop in said channel, said draw string being provided with means for limiting the degree of contraction of said head receiving section, and means on said tractor legs adapted to be grasped by the hand for traction purposes.

11. An obstetrical extractor comprising a multiply envelope structure made wholly of a soft and yieldable fabric adapted to be applied over the childs head and contractible at the base thereof, said envelope structure comprising a contractible head receiving band, a plurality of tractor legs attached to and integral with said head receiving band, the said tractor legs being each provided with a longitudinally arranged pocket extending to the base of said head receiving section for receiving positioning applicators, means around the base of the head receiving section defining a draw string channel, a draw string having a loop in said channel, said draw string being provided with means for limiting the degree of contraction of said head receiving section, and integral means on said tractor legs adapted to be grasped by the hand for traction purposes, the said bandgnd legs all arranged to lie in a tubular surace.

Signed at New York city in the county of New York and State of New York, this 24th day of December, A. D. 1926. a

g EUGENE FROEHLICH.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2792838 *Jul 1, 1953May 21, 1957Arcangela GuerrieroObstetrical instrument
US2842134 *Sep 30, 1953Jul 8, 1958Russell Post CharlesObstetrical delivery instrument
US3592198 *Oct 31, 1967Jul 13, 1971Evans Evan FObstetrical instrument for fetus extraction
US4597391 *Sep 26, 1985Jul 1, 1986Janko Albert BObstetric tractive device
US4602623 *Dec 30, 1983Jul 29, 1986Michael CherkasskyMethod of delivering a fetus
US4875482 *Jun 21, 1988Oct 24, 1989Neurodynamics, Inc.Flexible grasping device
US5122148 *May 14, 1990Jun 16, 1992Alexander Gary EDevice for assisting childbirth
US5217467 *Nov 24, 1992Jun 8, 1993Medisys Technologies, Inc.Device for assisting childbirth
US5318573 *Mar 25, 1993Jun 7, 1994Medisys Technologies, Inc.Device for assisting childbirth
US5507752 *Aug 10, 1992Apr 16, 1996Board Of Regents, The University Of Texas SystemObstetric bonnet for assisting childbirth and method of manufacturing the same
US5593413 *May 27, 1994Jan 14, 1997Medisys Technologies, Inc.Device for assisting childbirth
US5632750 *Mar 29, 1995May 27, 1997Medisys Technologies, Inc.Device for assisting childbirth
US5803926 *Jun 7, 1995Sep 8, 1998Pristech, Inc.Double handled vacuum extractor
US5910146 *May 27, 1997Jun 8, 1999Medisys Technologies, Inc.Device for assisting childbirth
US5935136 *May 9, 1997Aug 10, 1999Pristech, Inc.Obstetrical vacuum extractor cup with soft molded lip
US5957931 *May 11, 1998Sep 28, 1999Prism Enterprises, Inc.Obstetrical vacuum extractor cup
US6398790May 4, 2001Jun 4, 2002Medisys Technologies, Inc.Delivery assistance device
US6723105Jul 9, 1999Apr 20, 2004Prism Enterprises LpObstetrical vacuum extractor cup with soft molded lip
DE1049048B *Jul 1, 1954Jan 22, 1959Federico D C Guerriero DrGeraet zur Erfassung und Bewegung des Foetusses waehrend der Geburt
WO1993017629A1 *Jun 10, 1992Sep 16, 1993Alexander Gary EDevice for assisting childbirth
WO2009013383A1 *Jul 18, 2008Jan 29, 2009Ernesto Odon JorgeDevice for extracting elements from a cavity
Classifications
U.S. Classification606/122
International ClassificationA61B17/44, A61B17/42
Cooperative ClassificationA61B17/442
European ClassificationA61B17/44B