WO1996012437A1 - Speculum vaginal - Google Patents

Speculum vaginal Download PDF

Info

Publication number
WO1996012437A1
WO1996012437A1 PCT/AU1995/000711 AU9500711W WO9612437A1 WO 1996012437 A1 WO1996012437 A1 WO 1996012437A1 AU 9500711 W AU9500711 W AU 9500711W WO 9612437 A1 WO9612437 A1 WO 9612437A1
Authority
WO
WIPO (PCT)
Prior art keywords
vaginal speculum
vagina
vaginal
speculum according
shroud
Prior art date
Application number
PCT/AU1995/000711
Other languages
English (en)
Inventor
John Dumergue Charters
Original Assignee
John Dumergue Charters
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from AUPM8999A external-priority patent/AUPM899994A0/en
Priority claimed from AUPM9721A external-priority patent/AUPM972194A0/en
Priority claimed from AUPN4793A external-priority patent/AUPN479395A0/en
Priority claimed from AUPN4943A external-priority patent/AUPN494395A0/en
Application filed by John Dumergue Charters filed Critical John Dumergue Charters
Priority to AU37652/95A priority Critical patent/AU3765295A/en
Publication of WO1996012437A1 publication Critical patent/WO1996012437A1/fr

Links

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
    • A61B1/32—Devices for opening or enlarging the visual field, e.g. of a tube of the body

Definitions

  • This invention relates to speculums and in particular vaginal speculums used for gynaecology.
  • vaginal speculum In performing gynacological operations and procedures, it is often necessary to dialate the vagina to assist inspection of the vaginal walls and the cervical area.
  • a vaginal speculum is typically employed for this purpose.
  • One known type of vaginal speculum comprises a curved blade which is inserted into the vagina to distend the walls thereof.
  • Another known type of vaginal speculum comprises a pair of pivotal dialator blade portions which can be inserted into the vagina and moved apart to cause the vagina to dialate. While these known types of vaginal speculums perform satisfactorily in distending the walls of the vagina to make the vaginal walls and the cervical area more readily visible, they do have deficiencies.
  • vaginal speculums are difficult to positively locate within the vagina in some circumstances such as where a procedure is performed under general anaesthesia. Without positive location in the vagina, the speculums are prone to dislodging from position. To avoid such a problem, it is common for the patient on which the procedure is being performed to be caused to assume a position involving excessive lordosis (forward flexing of the back) which is in itself undesirable in that it may cause a prolapsed lumbar disc or straining of the back. A further deficiency is apparent in a procedure where an instrument such as a curette is required to be inserted into, and manipulated within, the uterine cavity.
  • vaginal speculums of the known type described above can unduly inhibit the extent to which the instrument can be manipulated in an angular or tilting fashion to provide proper access to various parts within the uterine cavity, particularly the anterior extremity. This is particularly so in cases where the uterus bends forward on itself in a anteflexed position.
  • the present invention seeks to provide a vaginal speculum which is a useful alternative to the conventional vaginal speculums referred to above.
  • the invention provides a vaginal speculum comprising a body of resiliently flexible construction having a first condition, the body being resiliently compressible out of the first condition for insertion into a vagina and resiliently expandable to return towards the first condition for bearing against the vaginal walls thereby to cause dialation of the vagina.
  • the body may be resiliently compressible by bending of the body about a longitudinal axis thereof.
  • the resiliently expandable nature of the body ensures that there is positive engagement with the vaginal walls.
  • the resilient nature ensures that the positive engagement remains even in circumstances where there is subsequent relaxation of the vaginal walls such as is likely to occur when a procedure is performed under general anaesthesia.
  • the resiliently flexible construction of the body may be provided by at least a portion of the body being of resiliently flexible material, such as a resiliently flexible plastics material.
  • the body may have a further portion which is not resiliently flexible and which is, for example, rigid. However, it may be more convenient for the body to be formed entirely of the resiliently flexible material
  • the body may be formed from a sheet of resiliently flexible material, and in particular resiliently flexible plastics material. The sheet preferably occupies a substantially flat condition when in the first condition.
  • the body may have a first portion configured to resist unintentional withdrawal of the vaginal speculum from the vagina.
  • the first portion may present at least two spaced apart zones for gripping engagement with the vaginal walls.
  • Each zone may comprise an engaging edge defined by the first portion of the body, which edge in use faces the outer end of the vagina.
  • the edges press into the vaginal walls in the manner of a detent to resist withdrawal of the speculum.
  • the first portion of the body may be of a generally triangular configuration with corners which are rounded to avoid discomfort and damage to the vaginal walls.
  • the first portion is oriented such that a corner of the triangular configuration is at one end thereof (being the leading end in relation to the direction of insertion of the body into the vagina). This corner is the apex of the trianglar configuration.
  • the other two corners of the trianglar configuration are positioned one to each side of the first portion with the base of the trianglar configuration extending therebetween and defining the trailing end of the first portion.
  • the sections of the base adjacent to the two outer corners may each define one of the engaging edges.
  • a third engaging edge may be defined on the trailing end of the first portion midway between the two outer corners.
  • the body may further comprise a second portion for bearing against the walls of the vagina to assist in maintaining the vaginal walls in the distended condition.
  • the second portion may be provided with a gap which opens onto the end of the body opposite to the first portion.
  • the gap extends from the end onto which it opens along the second portion to the first portion.
  • the second portion has two lateral outer edges in opposed relationship between which a second gap is defined when the speculum is in location within the vagina.
  • the first and second gaps are preferably in opposed relationship to accommodate an instrument such as a curette which is introduced through the vagina and cervix, and into the uterine cavity.
  • the two gaps in the speculum open onto the vaginal walls when the speculum is in position in the vagina and provide spaces into which the instrument may be tilted as it is manipulated within the uterine cavity.
  • the speculum is therefore able to accommodate sideways pivotal movement of the instrument and allows the instrument to contact those parts of the vaginal wall which are exposed by the gaps during angular manipulation of the instrument.
  • the instrument On contacting one of the vaginal walls, the instrument may also distend that wall to further increase the extent to which it can be angularly manipulated. In this way, the extent of angular manipulation is significantly greater than would otherwise be possible if the gaps were not present.
  • the speculum may further comprise a pliant shroud attached to and extending beyond the body.
  • the shroud When the vaginal speculum is in position, the shroud extends beyond the body between the outer end of the vagina and the perineum.
  • the shroud is intended to drape down over at least part of the perineum to prevent contact between an instrument which might be inserted into the vagina and the perineum which harbours harmful bacteria. By shielding the instrument from the perineum in this fashion, it may be possible to reduce the likelihood of subsequent complications arising from any procedures which are performed while using the speculum.
  • the shroud may also provide a barrier to the posterior wall of the vagina.
  • the shroud may comprise a sheet of thin flexible material such as latex rubber.
  • the shroud may be anchored to the body in any suitable way, such as by adhesive bonding or mechanical fixing such as stapling.
  • the shroud may be formed with an attachment section which is attachable to the body.
  • the attachment section may comprise a pocket which receives and retains the body or a retaining sleeve which extends around the body.
  • the shroud may be formed integrally with the body.
  • Fig. 1 is a perspective view of a vaginal speculum according to a first embodiment
  • Fig. 2 is a plan view of the vaginal speculum of the first embodiment
  • Fig. 3 is a perspective view of the vaginal speculum according to the first embodiment in a compressed condition for insertion into a vagina;
  • Fig. 4 is a schematic view showing the vaginal speculum of the first embodiment in position in a vagina
  • Fig. 5 is a view similar to Fig. 4 except that an instrument is also shown inserted through the vagina and cervix and into the uterine cavity;
  • Fig. 6 is a view similar to Fig. 5 except that the instrument is shown in a condition where it has been angularly manipulated (tilted) into engagement with a vaginal wall to cause distention of the vagina to provide access to other parts of the uterine cavity;
  • Fig. 7 is a perspective view from above of a vaginal speculum according to a second embodiment
  • Fig. 8 is a perspective view from below of the vaginal speculum according to the second embodiment; Fig 8 is a plan view from the underside of the vaginal speculum of the second embodiment;
  • Fig. 10 is a schematic view showing the vaginal speculum of the second embodiment in position within a vagina
  • Fig. 11 is a view similar to Fig 10 with the exception that an instrument is shown inserted through the vagina and the cervix and into the uterine cavity;
  • Fig. 12 is a view similar to Fig. 11 with the exception that the instrument is shown in a position in which it has been angularly manipulated (tilted);
  • Fig. 13 is a perspective view from above of a vaginal speculum according to a third embodiment;
  • Fig. 14 is a perspective view of the underside of the vaginal speculum of the third embodiment. DESCRIPTION OF PREFERRED EMBODIMENTS
  • the first embodiment which is shown in Figs 1 to 6 of the accompanying drawings, is directed to a vaginal speculum 10 comprising a body 11 in the form of a sheet of resiliently flexible material such as nylon or polyethyene.
  • the body 11 has a central longitudinal axis 12 and includes a first portion 13 of generally triangular configuration with rounded corners, and a second portion 15 extending from one side of the triangular first portion.
  • the first portion 13 is oriented such that one rounded corner 17 is at that end of the body 11 which is the leading end thereof in relation to the direction of insertion of the body into a vagina.
  • the corner 17 is thus the apex of the triangular first portion 13
  • the other two rounded corners 18, 19 are positioned one on each lateral side of the first portion 13.
  • the side 21 which is opposite the corner 17 and which extends between the corners 18 and 19 provides the base of the triangular first portion 13 and the trailing end thereof in relation to the direction of insertion of the body into the vagina.
  • the second portion 15 comprises two flaps 23 in laterally spaced apart relationship to define a gap 25 therebetween.
  • Each flap 23 has a free end which defines the trailing end 27 of the body with respect to the direction of insertion of the body into the vagina.
  • Each flap 23 also has an inner side 28 adjacent the gap 25 and an outer side 29.
  • the outer side 29 of each flap 23 merges with the side 21 of the first portion 13 inwardly of the adjacent corner 18, 19 thereof.
  • the gap 25 opens onto the trailing end 27 of the body and extends from that end to the side 21 of the first portion.
  • the first portion 13 of the body 11 presents three laterally spaced zones for gripping engagement with the vaginal walls, the zones comprising a central zone 31 and two outer zones 33 one to each side of the central zone.
  • Each zone 31 , 33 comprises an engaging edge defined by the body 11.
  • the engaging edges are rearwardly facing in relation to the direction of insertion of the speculum into the vagina and thus in use face the outer end of the vagina.
  • the engaging edges are arranged to press into the vaginal walls in the manner of a detent so as to resist unintentional withdrawal of the speculum from the vagina.
  • the engaging edge defining the central zone 31 comprises that portion of the side 21 of the triangular first portion 13 exposed by the gap 25.
  • Each outer zone 33 comprises the section of the side 21 between the respective rounded corner 18, 19 and the outer side 29 of the adjacent flap 27.
  • the body has a first condition in which it is flat, as shown in Figs. 1 and 2 of the drawings. It can be resiliently compressed by bending about the central axis 12 to assume a compressed condition (as shown in Fig. 3) for insertion into the vagina. The resilient nature of the body tends to urge it from the compressed condition to the first condition in which it is in an uncompressed state.
  • a further gap 41 is defined between the flaps 27. More particularly, the further gap 41 is defined between the outer sides 29 of the flaps 27 as a result of the outer sides 29 being drawn towards each other upon resilient bending of the body.
  • the body 11 When in the compressed condition, the body 11 is of a reduced lateral dimension in terms of the spacing between the rounded corners 18, 19 and the outer sides 29 of the flaps 27.
  • the reduced lateral dimension facilitates insertion of the compressed body into the vagina.
  • Figs. 4, 5 and 6 illustrate the speculum 10 according to the first embodiment inserted into a vagina 50 having vaginal walls 51 and 52 extending between an outer end 53 and an inner end 55.
  • the relevant atomical arrangement is also illustrated and includes a uterus 57 having a uterine cavity 59 and a cervix 61 the lower part of which projects into the vagina 50.
  • the perineum is identified by reference numeral 56.
  • the speculum 10 is positioned in the vagina 50 with the leading end 17 positioned in the region between the cervix 61 and the vaginal wall 52.
  • vaginal speculum 10 With the vaginal speculum 10 in position, it causes dialation of the vagina and thereby provides a clear view of the cervical region. In this position, the two gaps 25, 41 defined by the speculum are in opposed relationship and open onto the vaginal walls 51 , 52.
  • Figs 5 and 6 of the drawings illustrate an instrument which has been inserted into the uterine cavity 59 through the vagina 50 and cervix 61 .
  • Dialation of the vagina 50 by the vaginal speculum 10 facilitates insertion of the instrument 63 into the uterine cavity.
  • the speculum 10 also ensures that the vagina is maintained in a dialated condition so that the cervical region continues to be clearly visible.
  • the existence of the gaps 25, 41 which open onto the vaginal walls 51, 52 allows the instrument 63 to be manipulated in an angular fashion (tilted) so that its inner end can reach various parts of the uterine cavity 59.
  • the instrument can be tilted to an extent that the portion thereof which is in the vagina can locate in either of the gaps 25, 41 and, if necessary, press against and hence further distent the adjacent vaginal wall to increase the extent instrument can be tilted to provide further access to parts of the uterine cavity 59.
  • This is particularly beneficial in situations where the uterus is in a retroflex condition. If the gaps 25, 41 were not present, the extent to which the instrument 63 could be so tilted would be limited by contact with the speculum.
  • the second embodiment which is shown in Figs 7 to 12 of the accompanying drawings is similar to the first embodiment with the exception that the vaginal speculum 10 further comprises a shroud 70 which is attached to the body 11
  • the shroud 70 is pliant and comprises a thin sheet of suitable material such as latex rubber.
  • the shroud is of generally rectangular construction having two opposed sides 71 , 72 The shroud is attached along side 71 to the first portion 13. The shroud is not attached to the second portion 15 and extends beyond that portion, as shown in the drawings.
  • the shroud 70 When the vaginal speculum according to the embodiment is in position in a vagina 50, as shown in Figs 10, 11 and 12, the shroud 70 extends along the posterior vaginal wall 52 and out of the vagina 50 through outer opening 53 to drape downwardly over at least part of the perineum 56 In this way, the shroud 70 provides a barrier between the perineum 56 and an instrument 63 inserted into the vagina 50. The shroud 70 can therefore shield the instrument from harmful bacteria which may be present in the region of the perineum 56. While the shroud 70 does extend over the gap 25 in the body 11 of the vaginal speculum, its pliant nature ensures that it can yield if contacted by the instrument 63 upon tilting thereof.
  • the shroud merely flexes and so allows the instrument to distend the posterior vaginal wall 52. This is apparent in Fig. 12 of the drawings where it can be seen that the shroud has deflected away from the second portion 15 of the body 10 of the speculum with tilting of the instrument 63 following entry of the instrument into the gap 25.
  • the shroud 70 is attached to the body 13 at side 71 by any suitable means such as adhesive bonding or mechanical fixing such as stapling.
  • the third embodiment which is shown in Figs. 13 and 14 is similar to the second embodiment except that the shroud 70 is provided with a pocket 79 in which the body 13 is received.
  • the pocket 79 has an access opening 81.
  • the pocket 79 has an access opening 81.
  • the pocket 79 envelops the body 11 and resiliently engages the corners 18, 19 to captively retain the body within the pocket. This arrangement is intended for situations where the shroud 70 is disposed of after use and the body 13 is retained for subsequent use after sterilization thereof.
  • a disposable shroud 70 is fitted onto the body 13 by positioning the body into the pocket 79 through the opening 81 thereof. The speculum is then used in the manner of the second embodiment. After withdrawal of the speculum from the vagina, the shroud 70 is removed from the body 13 for disposal.
  • the shroud 70 may be provided with means for maintaining it in a laterally spread condition; that is, in a condition in which the other two sides 83 of the rectangular shroud are spaced apart. This is to prevent the shroud folding inwardly upon itself while in the vagina and thereby obstructing visibility.
  • Such means may comprise a reinforcing rib provided in the shroud at or near the side 72 and extending between the sides 83.
  • the shroud may simply be in the form of a rubber glove which has been modified by removal of the finger sections. In this way, the modified rubber glove would provide a sleeve configured to fit onto the body 11 to provide the shroud.
  • the sleeve so produced may have a longitudinal cut extending from the outermost end up to a point between the flaps 27 in order to overcome radial elasticity in the sleeve which might otherwise cause the body 11 to bend about its longitudinal axis.
  • the positive engagement with the vaginal walls provided by the engaging edges at the zones ensure that the speculum remains in position throughout the gynaecological procedure.
  • the gaps in the vaginal speculum in diametrally opposed relation facilitate tilting of an instrument in the vagina and so improve the extent to which the instrument can obtain access to parts of the uterine cavity.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

L'invention concerne un spéculum vaginal (10) comprenant un corps (11) se présentant sous forme d'une feuille flexible élastiquement. A l'état initial, ce corps (11) est pratiquement plat. Il peut être plié élastiquement pour être introduit dans un vagin et peut retrouver son état initial, en raison de son caractère expansible élastiquement, pour prendre appui contre les parois vaginales et provoquer ainsi la dilatation du vagin. Ce corps (11) étant expansible élastiquement, il peut s'imbriquer dans les parois vaginales. Le corps (11) présente trois zones espacées (31, 33) qui viennent se solidariser avec les parois vaginales afin d'empêcher un retrait non intentionnel du spéculum hors du vagin.
PCT/AU1995/000711 1994-10-25 1995-10-23 Speculum vaginal WO1996012437A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU37652/95A AU3765295A (en) 1994-10-25 1995-10-23 Vaginal speculum

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
AUPM8999A AUPM899994A0 (en) 1994-10-25 1994-10-25 Speculum
AUPM8999 1994-10-25
AUPM9721 1994-11-29
AUPM9721A AUPM972194A0 (en) 1994-11-29 1994-11-29 Speculum
AUPN4793 1995-08-15
AUPN4793A AUPN479395A0 (en) 1995-08-15 1995-08-15 Speculum
AUPN4943A AUPN494395A0 (en) 1995-08-22 1995-08-22 Speculum
AUPN4943 1995-08-22

Publications (1)

Publication Number Publication Date
WO1996012437A1 true WO1996012437A1 (fr) 1996-05-02

Family

ID=27424382

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1995/000711 WO1996012437A1 (fr) 1994-10-25 1995-10-23 Speculum vaginal

Country Status (1)

Country Link
WO (1) WO1996012437A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018204855A1 (fr) * 2017-05-05 2018-11-08 CEEK Enterprises Applicateur pour manchon accessoire de spéculum et son utilisation
WO2019092222A1 (fr) * 2017-11-10 2019-05-16 Hegenbergerspeculum Aps Spéculum vaginal
WO2020225360A1 (fr) * 2019-05-09 2020-11-12 Hegenbergerspeculum Aps Spéculum vaginal
RU2780010C2 (ru) * 2017-11-10 2022-09-19 Хегенбергерспекулум Апс Влагалищное зеркало
EP3920772A4 (fr) * 2019-02-07 2022-10-05 Artisan Medical Devices Corporation Spéculum multicouche et ses procédés de fabrication et d'utilisation

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE840747C (de) * 1948-10-02 1952-06-09 Franz Lautenschlaeger Vorrichtung zum Arbeiten und Operieren in der Vagina
US3030947A (en) * 1960-05-16 1962-04-24 Richard M Engelbert Speculum
DE2154765A1 (de) * 1971-11-04 1973-05-10 Hermann Theodor Dr Med Lippert Vaginalspeculum
EP0340923A1 (fr) * 1987-12-15 1989-11-08 Gerard A. Waters Appareil de dilatation d'une cavité corporelle
WO1993007800A1 (fr) * 1991-10-17 1993-04-29 Gyno Medical Holdings Pty. Ltd. Speculum

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE840747C (de) * 1948-10-02 1952-06-09 Franz Lautenschlaeger Vorrichtung zum Arbeiten und Operieren in der Vagina
US3030947A (en) * 1960-05-16 1962-04-24 Richard M Engelbert Speculum
DE2154765A1 (de) * 1971-11-04 1973-05-10 Hermann Theodor Dr Med Lippert Vaginalspeculum
EP0340923A1 (fr) * 1987-12-15 1989-11-08 Gerard A. Waters Appareil de dilatation d'une cavité corporelle
WO1993007800A1 (fr) * 1991-10-17 1993-04-29 Gyno Medical Holdings Pty. Ltd. Speculum

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180317746A1 (en) * 2017-05-05 2018-11-08 CEEK Enterprises Applicator for a speculum accessory sleeve and use thereof
US10456016B2 (en) 2017-05-05 2019-10-29 CEEK Enterprises Applicator for a speculum accessory sleeve and use thereof
US11395577B2 (en) 2017-05-05 2022-07-26 Ceek Women's Health, Inc. Applicator for a speculum accessory sleeve and use thereof
WO2018204855A1 (fr) * 2017-05-05 2018-11-08 CEEK Enterprises Applicateur pour manchon accessoire de spéculum et son utilisation
EP4223210A1 (fr) * 2017-11-10 2023-08-09 Hegenbergerspeculum APS Dispositif
WO2019092222A1 (fr) * 2017-11-10 2019-05-16 Hegenbergerspeculum Aps Spéculum vaginal
US10694935B2 (en) 2017-11-10 2020-06-30 Hegenbergerspeculum Aps Vaginal speculum
KR20200086701A (ko) * 2017-11-10 2020-07-17 헤겐버거스펙큘럼 에이피에스 질 검경
US11937790B2 (en) 2017-11-10 2024-03-26 Hegenbergerspeculum Aps Vaginal speculum
RU2780010C2 (ru) * 2017-11-10 2022-09-19 Хегенбергерспекулум Апс Влагалищное зеркало
AU2018365331B2 (en) * 2017-11-10 2023-04-06 Hegenbergerspeculum Aps Vaginal speculum
EP3920772A4 (fr) * 2019-02-07 2022-10-05 Artisan Medical Devices Corporation Spéculum multicouche et ses procédés de fabrication et d'utilisation
WO2020225360A1 (fr) * 2019-05-09 2020-11-12 Hegenbergerspeculum Aps Spéculum vaginal
RU2817648C2 (ru) * 2019-05-09 2024-04-17 Хегенбергерспекулум Апс Влагалищное зеркало

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