WO1993005739A1 - An ear-cleansing apparatus - Google Patents

An ear-cleansing apparatus Download PDF

Info

Publication number
WO1993005739A1
WO1993005739A1 PCT/SE1992/000657 SE9200657W WO9305739A1 WO 1993005739 A1 WO1993005739 A1 WO 1993005739A1 SE 9200657 W SE9200657 W SE 9200657W WO 9305739 A1 WO9305739 A1 WO 9305739A1
Authority
WO
WIPO (PCT)
Prior art keywords
pressure
water
cannula
valve
cleansing
Prior art date
Application number
PCT/SE1992/000657
Other languages
French (fr)
Inventor
Birgitta BJÖRK
Margareta Nilsson
Original Assignee
Sem Idé Hb
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
Application filed by Sem Idé Hb filed Critical Sem Idé Hb
Publication of WO1993005739A1 publication Critical patent/WO1993005739A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M3/00—Medical syringes, e.g. enemata; Irrigators
    • A61M3/02—Enemata; Irrigators
    • A61M3/0233—Enemata; Irrigators characterised by liquid supply means, e.g. from pressurised reservoirs
    • A61M3/025—Enemata; Irrigators characterised by liquid supply means, e.g. from pressurised reservoirs supplied directly from the pressurised water source, e.g. with medicament supply
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M3/00—Medical syringes, e.g. enemata; Irrigators
    • A61M3/02—Enemata; Irrigators
    • A61M3/0204—Physical characteristics of the irrigation fluid, e.g. conductivity or turbidity
    • A61M3/0208—Physical characteristics of the irrigation fluid, e.g. conductivity or turbidity before use
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M3/00—Medical syringes, e.g. enemata; Irrigators
    • A61M3/02—Enemata; Irrigators
    • A61M3/0204—Physical characteristics of the irrigation fluid, e.g. conductivity or turbidity
    • A61M3/0216—Pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M3/00—Medical syringes, e.g. enemata; Irrigators
    • A61M3/02—Enemata; Irrigators
    • A61M3/0204—Physical characteristics of the irrigation fluid, e.g. conductivity or turbidity
    • A61M3/022—Volume; Flow rate
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/06—Head
    • A61M2210/0662—Ears

Definitions

  • the present invention relates to an ear-cleansing appara ⁇ tus for removing wax from the internal auditory canal, comprising a handgrip which is provided with an operating valve and connected to a cleansing-water pressure source through the intermediary of a flexible hose, and which is also provided with a cannula for insertion into the audi ⁇ tory canal, wherein the pressure source used consists of the pressure of the water in existing water-supply sys ⁇ tems, and wherein a device for reducing this pressure and maintaining the reduced pressure essentially constant is fitted between the cannula and a connection to the exist ⁇ ing water-supply system.
  • Earwax forms continuously in the auditory canal.
  • the wax does not run from the ear spontaneously, so that the wax can be simply wiped away, but collects in the audito ⁇ ry canal, the wax is liable to compact and form a wax plug.
  • Such wax plugs can either be removed with the aid of a suitable apparatus or can be syringed from the canal or dissolved and rinsed out. Because of the risk of injury to the auditory canal when a wax plug is removed by an instrument which is inserted into the auditory canal, only a doctor is permitted to use the instrument. Other paramedics may only use ear-rinsing or ear-cleansing appliances under the instructions of an attendant physician.
  • the apparatus that is most used today to cleanse the auditory canal is comprised of a hand-operated pump ar ⁇ rangement in the form of a piston pump provided with a cannula which is inserted a short distance into the audi ⁇ tory canal.
  • This arrangement is relatively difficult to work with, since the person using the appa ⁇ ratus must have sufficient hand power to operate the pump.
  • this relatively strenuous manoeuvre must be carried out while the cannula is kept still in the auditory canal, both laterally and axially, so as not to damage the auditory canal and/or to cause pain to the patient.
  • DE-A1-3022438 describe an ear-cleansing equipment which includes a water tank or reservoir into which a motor and a pump are immersed for the purpose of adjust ⁇ ing the pressure of the rinsing water to a desired pres ⁇ sure.
  • This equipment is relatively complicated and re ⁇ quires the provision of a.number of additional compo- nents.
  • GB-A-2,123,697 teaches a similar arrangement, comprising a battery and a separate pump which pumps water from a water reservoir.
  • US-Al-4,206,756 teaches an arrangement which operates wit a varying rinsing pressure. This arrangement re ⁇ quires for its operation equipment of the kind used by dentists, which makes the arrangement expensive.
  • the main object of the present invention is to provide an ear-cleansing apparatus or instrument which can be easily handled and which has a reliable function, by constantly delivering rinsing liquid at the same, constant pressure. No manual force shall be required to operate the appara ⁇ tus, thereby facilitating positioning of the cannula in the auditory canal.
  • a constantly open, throttled passageway is conveniently disposed between the connec ⁇ tion to the existing water-supply system and the sur ⁇ roundings.
  • the reference 1 identifies an ejector pipe fitted to a water tap (not shown) which is connected to an existing domestic water-supply system.
  • a valve housing 2 is connected to the pipe 1 by means of a quick-release coupling 3 of conventional manufacture.
  • Water is dischar- ged from the valve housing 2, at a reduced, constant pressure, to a flexible hose 4 which is connected to a pistol-like handgrip 6 fitted with a valve (not shown) which can be opened by means of a trigger 7, said hose being connected to the handgrip by means of a quick-re- lease coupling 5.
  • a cannula 8 is fitted to the front end of the handgrip by means of a quick-release coupling 9.
  • the cannula 8 is conveniently made of stainless steel so that it can be decontaminated and is provided with a flange 10 which limits the extent to which the cannula can be inserted into the auditory canal. This eliminates the risk of damage to the eardrum and to the inner part of the auditory canal.
  • the valve hous ⁇ ing 2 is constructed in the manner shown in Figure 2, for the purpose of achieving the aforesaid pressure reduction and the constant delivery pressure.
  • the reference numeral 12 identifies a safety valve which is set to the desired, lower rinsing pressure. The valve will thus open when the pressure in the inlet 13 from the water supply pipe ex ⁇ ceeds this set pressure and therewith release surplus water to an outlet 15, through an outlet nipple 14. The pressure at the outlet 11 to the hose 4 is therewith held constant, irrespective of variations in pressure in the inlet.
  • valve housing 2 When the valve housing 2 is connected to a thermostat mixer, the flow through the safety valve may be too low for the thermostat mixer to operate correctly and to maintain a preset water temperature. Accordingly, a con ⁇ stricted passageway 16 is connected to the inlet 13 and is directly open to the outlet 15 and permits a suffi ⁇ ciently large flow to pass through the valve housing 2 for the thermostat mixer to work correctly. This branch flow is also significant when the valve housing is con ⁇ nected to a tap in the absence of a thermostat mixer, since the person using the apparatus is then able conti ⁇ nuously to feel the temperature of the ear-cleansing water.

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

An ear-cleansing apparatus for removing wax plugs from the auditory canal includes a handgrip (6) which is provided with an operating valve and which is connected to a cleansing-water pressure-source via a hose (4), and which apparatus also includes a cannula (8) for insertion into an auditory canal. The pressure source consists in the water pressure of an existing water-supply system and the apparatus further includes a device (2) for reducing this pressure and maintaining the reduced pressure essentially constant. The device (2) is connected between the cannula (8) and a connection (1) to the existing water-supply system. The device (2) includes a safety valve (12) which is adjusted to the desired ear-cleansing pressure, and a throttle valve (15) which is connected upstream of the safety valve.

Description

An Ear-Cleansinσ Apparatus
The present invention relates to an ear-cleansing appara¬ tus for removing wax from the internal auditory canal, comprising a handgrip which is provided with an operating valve and connected to a cleansing-water pressure source through the intermediary of a flexible hose, and which is also provided with a cannula for insertion into the audi¬ tory canal, wherein the pressure source used consists of the pressure of the water in existing water-supply sys¬ tems, and wherein a device for reducing this pressure and maintaining the reduced pressure essentially constant is fitted between the cannula and a connection to the exist¬ ing water-supply system.
Earwax .forms continuously in the auditory canal. When the wax does not run from the ear spontaneously, so that the wax can be simply wiped away, but collects in the audito¬ ry canal, the wax is liable to compact and form a wax plug.
Such wax plugs can either be removed with the aid of a suitable apparatus or can be syringed from the canal or dissolved and rinsed out. Because of the risk of injury to the auditory canal when a wax plug is removed by an instrument which is inserted into the auditory canal, only a doctor is permitted to use the instrument. Other paramedics may only use ear-rinsing or ear-cleansing appliances under the instructions of an attendant physician.
The apparatus that is most used today to cleanse the auditory canal is comprised of a hand-operated pump ar¬ rangement in the form of a piston pump provided with a cannula which is inserted a short distance into the audi¬ tory canal. This arrangement, however, is relatively difficult to work with, since the person using the appa¬ ratus must have sufficient hand power to operate the pump. Moreover, this relatively strenuous manoeuvre must be carried out while the cannula is kept still in the auditory canal, both laterally and axially, so as not to damage the auditory canal and/or to cause pain to the patient. It is also difficult to control the pressure of the cleansing liquid in a precise manner, and this pres¬ sure will consequently vary, since it is dependent on the speed at which the pump is operated. An excessively high pressure can cause pain.
Endeavours have been made to solve these problem. For in¬ stance, DE-A1-3022438 describe an ear-cleansing equipment which includes a water tank or reservoir into which a motor and a pump are immersed for the purpose of adjust¬ ing the pressure of the rinsing water to a desired pres¬ sure. This equipment is relatively complicated and re¬ quires the provision of a.number of additional compo- nents.
GB-A-2,123,697 teaches a similar arrangement, comprising a battery and a separate pump which pumps water from a water reservoir.
US-Al-4,206,756 teaches an arrangement which operates wit a varying rinsing pressure. This arrangement re¬ quires for its operation equipment of the kind used by dentists, which makes the arrangement expensive.
The main object of the present invention is to provide an ear-cleansing apparatus or instrument which can be easily handled and which has a reliable function, by constantly delivering rinsing liquid at the same, constant pressure. No manual force shall be required to operate the appara¬ tus, thereby facilitating positioning of the cannula in the auditory canal.
The invention is based on the realization that these objects can be achieved when the water used to cleanse the auditory canal can be taken under pressure directly from an existing water pipe, which, however, means that it must be possible to adapt pressure and flow to this end.
According to the present invention, an ear-cleansing apparatus of the kind described in the first paragraph of this document is particularly characterized in that the apparatus comprises the combination of a safety valve which is set to a desired rinsing pressure, and a throttle valve which is coupled upstream of the safety valve so as to reduce the flow of water in accordance with the. maximum flow capacity of the safety valve, and in that the cannula is connected to said arrangement between the safety valve and the throttle valve.
Thus, an apparatus of this kind will enable the person using the apparatus to concentrate on holding the cannula correctly orientated in the auditory canal, since no force is required to generate the desired cleansing pressure.
In order to enable connection to a thermostat mixer and to enable the temperature of the rinsing or cleansing water to be detected, a constantly open, throttled passageway is conveniently disposed between the connec¬ tion to the existing water-supply system and the sur¬ roundings.
It is also preferred that the arrangement which includes the aforesaid valves is mounted on the connection to the existing water-supply system and is connected to the handgrip via the flexible hose. In this regard, the hand¬ grip is conveniently provided with a throttle valve which is set to a low which is smaller than or equal to the flow through the throttle valve included in the arrange- ment.
Remaining characteristic features of the invention will be apparent from the following Claims.
The invention will now be described in more detail with reference to an exemplifying embodiment thereof and also with reference to the accompanying drawings, in which
Figure 1 illustrates an inventive apparatus and its use; and
Figure 2 is a cross-sectional view of a valve housing in¬ cluded in the apparatus.
In Figure 1, the reference 1 identifies an ejector pipe fitted to a water tap (not shown) which is connected to an existing domestic water-supply system. A valve housing 2 is connected to the pipe 1 by means of a quick-release coupling 3 of conventional manufacture. Water is dischar- ged from the valve housing 2, at a reduced, constant pressure, to a flexible hose 4 which is connected to a pistol-like handgrip 6 fitted with a valve (not shown) which can be opened by means of a trigger 7, said hose being connected to the handgrip by means of a quick-re- lease coupling 5. A cannula 8 is fitted to the front end of the handgrip by means of a quick-release coupling 9. The cannula 8 is conveniently made of stainless steel so that it can be decontaminated and is provided with a flange 10 which limits the extent to which the cannula can be inserted into the auditory canal. This eliminates the risk of damage to the eardrum and to the inner part of the auditory canal.
The described apparatus enables the auditory canal to be cleansed very easily and without risk of damage or inju- ry, since both the possible maximum pressure of the rins¬ ing water and the maximum extent to which the cannula can be inserted into the auditory canal are limited. Thus, the inventive apparatus can be used by personnel who have not had long-term practice in the use of the apparatus, under the instructions of an attendant physician.
In the case of the preferred embodiment, the valve hous¬ ing 2 is constructed in the manner shown in Figure 2, for the purpose of achieving the aforesaid pressure reduction and the constant delivery pressure. The reference numeral 12 identifies a safety valve which is set to the desired, lower rinsing pressure. The valve will thus open when the pressure in the inlet 13 from the water supply pipe ex¬ ceeds this set pressure and therewith release surplus water to an outlet 15, through an outlet nipple 14. The pressure at the outlet 11 to the hose 4 is therewith held constant, irrespective of variations in pressure in the inlet.
In practice, however, the safety valve 14 is unable to open sufficiently to maintain a constant pressure in the event of a large inflow of water. Accordingly, in accor¬ dance with the invention, a throttle valve 15 is connec¬ ted upstream of the safety valve 14, wherein the throttle valve can be adjusted so that the flow of water to the safety valve 14 will not exceed the flow capacity of said valve.
When the valve housing 2 is connected to a thermostat mixer, the flow through the safety valve may be too low for the thermostat mixer to operate correctly and to maintain a preset water temperature. Accordingly, a con¬ stricted passageway 16 is connected to the inlet 13 and is directly open to the outlet 15 and permits a suffi¬ ciently large flow to pass through the valve housing 2 for the thermostat mixer to work correctly. This branch flow is also significant when the valve housing is con¬ nected to a tap in the absence of a thermostat mixer, since the person using the apparatus is then able conti¬ nuously to feel the temperature of the ear-cleansing water.
In order to prevent the risk of a pressure drop when the valve in the handgrip 6 is opened, there is arranged in the inlet end of the handgrip a constriction or throttle means 17 which is so adapted that the flow passing through said constriction will be equal to or smaller than the flow passing through the throttle valve 15. As will be understood, this construction 17 may have the form of an adjustable throttle valve.
It will be understood that although the invention has been described and illustrated with regard to one exem¬ plifying embodiment of the ear-cleansing apparatus dif¬ ferent modifications and variations can be made with regard to the different apparatus components without departing from the inventive concept. This applies in particular to the construction of the valve housing. It is important that cleansing of the auditory canal can be effected without generating the necessary pressure manu- ally and that this pressure can be obtained readily through the medium of the water pressure of an existing water-supply system, and held constant.

Claims

1. An ear-cleansing apparatus for removing wax plugs from the auditory canal comprising a handgrip part (6) which is provided with an operating valve and which is connected to a cleansing-water pressure-source via a flexible hose (4) , and further comprises a cannula (8) for insertion into the auditory canal, wherein the pres¬ sure source used is the water pressure of an existing water-supply system, and wherein the water pressure is reduced and the reduced pressure maintained essentially constant by means of a device (2) which is mounted be¬ tween the cannula (8) and a connection (1) to the exist¬ ing water-supply system, c h a r a c t e r i z e d in that said device (2) comprises the combination of a safe¬ ty valve (12) , which is adjusted to a desired cleansing pressure, and a throttle valve (15) which is coupled upstream of the safety valve (12) so as to reduce the flow in accordance with the maximum flow capacity of the safety valve; and in that the cannula (8) is connected to said device (2) at a location between the safety valve (12) and the throttle valve (15).
2. An apparatus according to Claim 1, c h a r a c - t e r i z e d in that a constantly open, constricted passageway (16) is disposed between the connection (1) to the existing water-supply system and the surroundings.
3. An apparatus according to Claim 1 or 2, c h a r - a c t e r i z e d in that the device (2) is mounted on the connection (1) to the existing water-supply system and is connected to the handgrip (6) via the hose (4) .
4. An apparatus according to Claim 3, c h a r a c - t e r i z e d in that the handgrip (6) is provided with a throttle valve (17) which is adjusted to a flow which is smaller than or equal to the flow through the throttle valve (15) in said device (2).
5. An apparatus according to any one of Claims 1-4, c h a r a c t e r i z e d in that the handgrip (6) has the form of a pistol handgrip.
6. An apparatus according to any one of Claims 1-5, c h a r a c t e r i z e d in that the cannula (8) can be readily exchanged and is provided with a collar (10) which restricts the extent to which the cannula can be inserted.
PCT/SE1992/000657 1991-09-25 1992-09-23 An ear-cleansing apparatus WO1993005739A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9102787-0 1991-09-25
SE9102787A SE9102787L (en) 1991-09-25 1991-09-25 OERONSPOLNINGSUTRUSTNING

Publications (1)

Publication Number Publication Date
WO1993005739A1 true WO1993005739A1 (en) 1993-04-01

Family

ID=20383829

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1992/000657 WO1993005739A1 (en) 1991-09-25 1992-09-23 An ear-cleansing apparatus

Country Status (2)

Country Link
SE (1) SE9102787L (en)
WO (1) WO1993005739A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2794966A1 (en) 1999-06-17 2000-12-22 Ioltech Posterior chamber, flexible intraoccular implant for aphake comprises center part and haptic part with optical part surrounded by annular wall with openings and peripheral toroidal ring
WO2002083203A2 (en) * 2001-04-11 2002-10-24 Welch Allyn, Inc. Disposable tip for body cavity irrigation system
DE102005015304B4 (en) * 2004-05-27 2007-10-11 Atmos Medizintechnik Gmbh & Co. Device for ear irrigation
US8568348B2 (en) 2005-04-22 2013-10-29 Alternamedics Llc Medication delivery device
CN104688429A (en) * 2013-12-10 2015-06-10 陈阳静 Medical flushing device for external auditory canal
WO2019115853A1 (en) * 2017-12-11 2019-06-20 Servicio Andaluz De Salud Disposable device for ear washing

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4190059A (en) * 1978-10-25 1980-02-26 Colonics Diversified, Inc. Apparatus for colonic lavage and specimen collection
WO1986005101A1 (en) * 1985-03-04 1986-09-12 Kabbaby Charles B Shower-mounted douche apparatus
WO1990004983A1 (en) * 1988-11-07 1990-05-17 Lennart Minthon Apparatus for gastro-intestinal rinsing and cleaning of human beings and animals

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4190059A (en) * 1978-10-25 1980-02-26 Colonics Diversified, Inc. Apparatus for colonic lavage and specimen collection
WO1986005101A1 (en) * 1985-03-04 1986-09-12 Kabbaby Charles B Shower-mounted douche apparatus
WO1990004983A1 (en) * 1988-11-07 1990-05-17 Lennart Minthon Apparatus for gastro-intestinal rinsing and cleaning of human beings and animals

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2794966A1 (en) 1999-06-17 2000-12-22 Ioltech Posterior chamber, flexible intraoccular implant for aphake comprises center part and haptic part with optical part surrounded by annular wall with openings and peripheral toroidal ring
WO2002083203A2 (en) * 2001-04-11 2002-10-24 Welch Allyn, Inc. Disposable tip for body cavity irrigation system
WO2002083203A3 (en) * 2001-04-11 2002-12-19 Welch Allyn Inc Disposable tip for body cavity irrigation system
DE102005015304B4 (en) * 2004-05-27 2007-10-11 Atmos Medizintechnik Gmbh & Co. Device for ear irrigation
US8568348B2 (en) 2005-04-22 2013-10-29 Alternamedics Llc Medication delivery device
US8834410B2 (en) 2005-04-22 2014-09-16 Alternamedics Llc Medication Delivery Device
US8956333B2 (en) 2005-04-22 2015-02-17 Alternamedics Llc Medication delivery device
US9272084B2 (en) 2005-04-22 2016-03-01 Alternamedics Llc Medication delivery device
CN104688429A (en) * 2013-12-10 2015-06-10 陈阳静 Medical flushing device for external auditory canal
WO2019115853A1 (en) * 2017-12-11 2019-06-20 Servicio Andaluz De Salud Disposable device for ear washing

Also Published As

Publication number Publication date
SE9102787D0 (en) 1991-09-25
SE9102787L (en) 1993-03-26

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