CA1188176A - Device for assisting control of female incontinence - Google Patents
Device for assisting control of female incontinenceInfo
- Publication number
- CA1188176A CA1188176A CA000445213A CA445213A CA1188176A CA 1188176 A CA1188176 A CA 1188176A CA 000445213 A CA000445213 A CA 000445213A CA 445213 A CA445213 A CA 445213A CA 1188176 A CA1188176 A CA 1188176A
- Authority
- CA
- Canada
- Prior art keywords
- tube
- cuff
- pressure
- muscle
- inflatable
- 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
Links
Landscapes
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
ABSTRACT The device comprises a substantially cylindrical support member which carries or in part defines an inflatable cuff. The cuff extends for only a portion of the length of said support member. Means are provided for inflating the cuff with air and transmitting changes in pressure within the cuff to a display device such as a pressure gauge.
Description
~ XFlS
The device of this invention comprises a substantially cylindrical elongated support member which carries or in part defines an inflatable cuff. The cuff extends longitu-dinally less than one ~uarter the length ofthe support member. Means are provided for inflating the cuff with a fluid such as a gas, preferably air, ancl for transmitting chanyes in pressure in the fluid within the cuff to a display device such as a pressure guage.
The elongated support member also carries a flange optionally adjustable along the length of the member. The elongated member may also have markings or graduations so that the flange position can be noted when the device is first inserted~ for example by a '' `'~
Y~ll5 medical practitioner, who will he able to locate the cuff properly in relation to the particular muscle whose tone is to be elevated or improved.
The user i.s then able to employ -the device without the presence of the mcdical practitioner, having noted the flange position, secure in the.knowledge that the muscle oE i.nterest and not an adjacent muscle is being monitorecl and excrcised.
Thus, for a female patient with urinary incontinencc, the flange wi]l be placed in contact with the external surfaces of -the labia majora and the member adjusted to correctly locate the cuff relative -to -the pubococcygus muscle.
Brief Description oE -the Drawings Figure 1 illustrates one example of a device according to the invention, igure 2 illustrates a second example of a device in accordance with the invention, zo Figure 3 illustra-tes a third example of - a device accordiny to the invention, and Figure _ illustrates a fourth example of a device according to the invention.
- .
This invention relates to a device for assistiny a person to cxercise and stren~Jthen and improve his or her co~trol of certain internal muscles hereirl called sphincter-type muscles.
In this specification, the term "sphincter-type muscle" is used to mean any internal muscle in the human body which plays a part in controlling the excretory functions. ~xamples are the anal sphincter muscle and the levatores ani group of muscles of the pelvic floor, in particular the pubococcygeus muscle.
Certain conflicting requirements desirably ' 15 should be met in a device of thls kind which is intended for home use by relatively unskilled and non-medical persons. Firstly, the device must be stiff enough to insert to the required distance, without it collapsing. Secondly~ the device must be of a shape and surface texture that is easily and comfortably inserted. Thirdly, it must be sensitive enough to clearly register muscle movements on.a display unit such as a pressure guage even though only a very slight muscle movement may have taken place.
The device of this invention by having an inflatable cuff of limited longitudinal (i.e., axial) extent enables the user to monitor a particular selected muscle. The device is very , . .
t~ 5 sensitive to slight m~scle rnovements as a result of the relatively small internal volume of the cuff. Thus,small changes in the volume of the cuff register as a signi~icant propor-tional change in the pressure reading on the guage.
According to a partic~lar embodioent of the invention, the device inclucles a tube with one closed and one open end forming a support rnember and having an inflatah]e cuff near the closed end, a second tube o~ening into the interior of the inflatable cuff, a pressure guage attached to the other end of the second tube, al-ld a va]ve whereby air or gas can be allowed to enter the second tube in order to inflate the cuff. The tube may be made of latex rubber reinforced over a major par-t of its length with fibre or cord so as to impart the required stiffness to the tube.
In a preferred version of the invention, the inflatable cuff is formed by an internal wall constituted by part of the support member and an external wall which is freely stretchable.
The stretchable wall may be formed of thin latex rubber. A conduit through which the cuff is inflated may be formed by a second tube or by the hollow center of the tube constituting the support member.
In an alternative embodimen-t of the invention, the inflatable cuff may be formed by a hollow annular member of substantially -toroidal or 5_ "doughnut" shape, slidable alon~ the length of the elongated support member. The in-terior of the cuff is then connected to a conduit so that in:itially the cuff can he inEla-ted and thereafter the changes in internal pressure therein produced by spincter type muscle movement can be monitored by a pressure gua~e~
Referring to Figure 1, a rubber -tube 10 has reinforcement 12 over most of its length, and has a rounded closed end 14. An inflatable cufE 16 is located near the end 14 and a second tube 18 is in communication wi-th the interior 17 of the cuff. The tube 18 is connected to a T-piece 20 which is in turn connected to a valve 22 and a pressure guage 24. The tube 10 has a flange 25 slidable along i-t which enables the user to locate the device in the same position each time it is used. As an optional refinement, ; 20 graduations 27 may be marked on the tube 10 so that the user can note the position of the flange 25 when the cuff 16 is properly located relative to the muscle being exercised. The~tube 10 is preferably made of latex rubber by a dipping process and may be amalgamated by this dipping process with the second and thinner latex tube 18.
Referring now to Figure 2, the illustrated device includes a first tube 40 and a floppy cuff 42. An inflation lumen 48 is provided in the tube 40 and opens into the interior of X
'7~ Xl l 5 cuff 42 near i~s distal ~d. Tile lumen 4~ is directly connected to an external thin tube 50 incorpora-ting a test balloon 52. I'his gives a visual indication to the user because it is distended when the cuff is inflated. The tube 50 leads to a valve and pressure guage in same way as illustrated in the Figure 1 embodiment.
The tube 40 can be of rubber la-tex formed by dippiny and including a nylon cord reinforcement 41 wound at about 24 turns per 25 rnm. oE tube length. This reinforcement embedded in the tube wall prevents collapse of the -tube 40 during insertion. The floppy cuff 42 can be a thin rubber latex wall and may have an axial length of about 40 mm. The distal end of cuff 42 may be spaced about 20 mm. from the closed distal end 46 of tube 40. The tube 40 may typically have an inner diameter of about 9 mm. and an outer diarneter of about 16 mm., and an overall length of about 220 mm. The reinforcement 41 may extend over the length of tube 40 except for about 10 mm.
at the distal end.
Tubes 10 and 40 can be made of materials other than rubber. For example, synthetic polymeric materials such as polyvinylchloride or polyurethane with nylon or metal wire reinforcement may be employed.
The device illustrated in Fiyure 3 consists of a substantially cylindrical solid rubber or plastics mandrel 60 with a rounded end 62.
Typically, the mandrel may be about 150 mm. to about 220 mm. in length and of a diameter oE
about 9 mm. to abou-t 12 mm~ The mandrel 60 carries a sleeve 64 of rubber or plastics material which is s]idably mounted thereon.
Sleeve 64 has a thin flexible and e~tensible latex rubber wall 66 fixed to i-t ln an air-tlght fashion. Sleeve 64 and wall 66 together define an inflatable cuff to the interior of which is connected a thin-walled tube 68. The tube 68 may be suitably fastened -to the mandrel 60 r in such a way as to allow slidable movement of the cuff along the mandrel. The tube 68 is connected to a T-piece and valve 70 and then alternatively to a pressure guage 72 or a manually operable inflater bulb 74. An advantage of this construction is that the inflatable cuff can readily be moved along the mandrel 60, nearer to or further from the end 62, as may be required to position it appropriately in relation to the muscle whose performance is to be monltored. A pressure relief valve 76 prevents a pressure greater than a predetermined limit being built up in the cuff 64, 66, even if the bulb 74 is continuously operated.
X~'15 The device illustrated in Figure 4 includes a hollow rubber latex tube 80 with a rounded end 82, its wall being of appropriate thickness or suitably reinforced (for example as described with reference to the device of Fi~ures 1 and 2) to give the device a stiffness so that it can be readily inserted witho~t discomfort and yet has sufficient rigidity not to be deformed by -the muscle movements being monitored. The tube 80 has a thin flexible and expansible annular rubber la-tex wall 84, similar to the wall 16 of Figure 1, defining with the tube 80 an inflatable cuff 86. ~ hole 88 is provided in the wall of the tube 80 leading into -the interior of the annular cuff 86. The interior of the tube ~0 is connected by a line 90 to a T piece and valve, bulb, pressure relief valve and guage (all not shown) in the same way as illustrated in Figure 3.
~lthough not shown in Figures 8 and ~, a flange corresponding to the flange 25 in Figure 1, slidable along the tube, is preferably inclu~ed in the arr~ngements shown in ~igures 3 and 4.
Pressure guage 24 (or 72) may be mechanical, electrical, or electronic. A muscular contraction will show as an increase in pressure of about 1 to 8 mm. of mercury on the guage, and so will be clearly noticeable to the patient.
_g_ The pressure ~uage may be an electFonic pressure sensor unit capable of giving either a numerical display of press~lre value or a display of lights, for example of different colors, triggered by the achievement of certain pressure valves For example, with such a unit it could be arrarlgcd using suitable circuity that a given muscle contrac-tion (and hence a given pressure) illuminates a lamp of one color, a greatex contraction illuminates a lamp of a second color, and a greater contraction still illuminates a lamp of a third color. Such a unit would preferably include a means of controlling the sensitivity so that the particular levels of pressure at which given lamps are illustrated could be adjusted.
For improved sensitivity, it is preferred - that tube 18 or tubes 50 and 48 or tube 68 be thin. For example, the tube may have an inner diameter of about O.S to about 1.5 mmO
The devices of this invention are employed as follows. The device is inserted into the body orifice to the desired depth as determined by flange 25. The valve 22 or 70 is opened and the cuff is inflated in any convenient way to a light pressure, for example about 40 to 60 mm. of mercury. The valve is closed and the patient then attempts to contract the sphincter muscles. The resultant efforts show clearly on t]le pressure guage.
The device of this invention comprises a substantially cylindrical elongated support member which carries or in part defines an inflatable cuff. The cuff extends longitu-dinally less than one ~uarter the length ofthe support member. Means are provided for inflating the cuff with a fluid such as a gas, preferably air, ancl for transmitting chanyes in pressure in the fluid within the cuff to a display device such as a pressure guage.
The elongated support member also carries a flange optionally adjustable along the length of the member. The elongated member may also have markings or graduations so that the flange position can be noted when the device is first inserted~ for example by a '' `'~
Y~ll5 medical practitioner, who will he able to locate the cuff properly in relation to the particular muscle whose tone is to be elevated or improved.
The user i.s then able to employ -the device without the presence of the mcdical practitioner, having noted the flange position, secure in the.knowledge that the muscle oE i.nterest and not an adjacent muscle is being monitorecl and excrcised.
Thus, for a female patient with urinary incontinencc, the flange wi]l be placed in contact with the external surfaces of -the labia majora and the member adjusted to correctly locate the cuff relative -to -the pubococcygus muscle.
Brief Description oE -the Drawings Figure 1 illustrates one example of a device according to the invention, igure 2 illustrates a second example of a device in accordance with the invention, zo Figure 3 illustra-tes a third example of - a device accordiny to the invention, and Figure _ illustrates a fourth example of a device according to the invention.
- .
This invention relates to a device for assistiny a person to cxercise and stren~Jthen and improve his or her co~trol of certain internal muscles hereirl called sphincter-type muscles.
In this specification, the term "sphincter-type muscle" is used to mean any internal muscle in the human body which plays a part in controlling the excretory functions. ~xamples are the anal sphincter muscle and the levatores ani group of muscles of the pelvic floor, in particular the pubococcygeus muscle.
Certain conflicting requirements desirably ' 15 should be met in a device of thls kind which is intended for home use by relatively unskilled and non-medical persons. Firstly, the device must be stiff enough to insert to the required distance, without it collapsing. Secondly~ the device must be of a shape and surface texture that is easily and comfortably inserted. Thirdly, it must be sensitive enough to clearly register muscle movements on.a display unit such as a pressure guage even though only a very slight muscle movement may have taken place.
The device of this invention by having an inflatable cuff of limited longitudinal (i.e., axial) extent enables the user to monitor a particular selected muscle. The device is very , . .
t~ 5 sensitive to slight m~scle rnovements as a result of the relatively small internal volume of the cuff. Thus,small changes in the volume of the cuff register as a signi~icant propor-tional change in the pressure reading on the guage.
According to a partic~lar embodioent of the invention, the device inclucles a tube with one closed and one open end forming a support rnember and having an inflatah]e cuff near the closed end, a second tube o~ening into the interior of the inflatable cuff, a pressure guage attached to the other end of the second tube, al-ld a va]ve whereby air or gas can be allowed to enter the second tube in order to inflate the cuff. The tube may be made of latex rubber reinforced over a major par-t of its length with fibre or cord so as to impart the required stiffness to the tube.
In a preferred version of the invention, the inflatable cuff is formed by an internal wall constituted by part of the support member and an external wall which is freely stretchable.
The stretchable wall may be formed of thin latex rubber. A conduit through which the cuff is inflated may be formed by a second tube or by the hollow center of the tube constituting the support member.
In an alternative embodimen-t of the invention, the inflatable cuff may be formed by a hollow annular member of substantially -toroidal or 5_ "doughnut" shape, slidable alon~ the length of the elongated support member. The in-terior of the cuff is then connected to a conduit so that in:itially the cuff can he inEla-ted and thereafter the changes in internal pressure therein produced by spincter type muscle movement can be monitored by a pressure gua~e~
Referring to Figure 1, a rubber -tube 10 has reinforcement 12 over most of its length, and has a rounded closed end 14. An inflatable cufE 16 is located near the end 14 and a second tube 18 is in communication wi-th the interior 17 of the cuff. The tube 18 is connected to a T-piece 20 which is in turn connected to a valve 22 and a pressure guage 24. The tube 10 has a flange 25 slidable along i-t which enables the user to locate the device in the same position each time it is used. As an optional refinement, ; 20 graduations 27 may be marked on the tube 10 so that the user can note the position of the flange 25 when the cuff 16 is properly located relative to the muscle being exercised. The~tube 10 is preferably made of latex rubber by a dipping process and may be amalgamated by this dipping process with the second and thinner latex tube 18.
Referring now to Figure 2, the illustrated device includes a first tube 40 and a floppy cuff 42. An inflation lumen 48 is provided in the tube 40 and opens into the interior of X
'7~ Xl l 5 cuff 42 near i~s distal ~d. Tile lumen 4~ is directly connected to an external thin tube 50 incorpora-ting a test balloon 52. I'his gives a visual indication to the user because it is distended when the cuff is inflated. The tube 50 leads to a valve and pressure guage in same way as illustrated in the Figure 1 embodiment.
The tube 40 can be of rubber la-tex formed by dippiny and including a nylon cord reinforcement 41 wound at about 24 turns per 25 rnm. oE tube length. This reinforcement embedded in the tube wall prevents collapse of the -tube 40 during insertion. The floppy cuff 42 can be a thin rubber latex wall and may have an axial length of about 40 mm. The distal end of cuff 42 may be spaced about 20 mm. from the closed distal end 46 of tube 40. The tube 40 may typically have an inner diameter of about 9 mm. and an outer diarneter of about 16 mm., and an overall length of about 220 mm. The reinforcement 41 may extend over the length of tube 40 except for about 10 mm.
at the distal end.
Tubes 10 and 40 can be made of materials other than rubber. For example, synthetic polymeric materials such as polyvinylchloride or polyurethane with nylon or metal wire reinforcement may be employed.
The device illustrated in Fiyure 3 consists of a substantially cylindrical solid rubber or plastics mandrel 60 with a rounded end 62.
Typically, the mandrel may be about 150 mm. to about 220 mm. in length and of a diameter oE
about 9 mm. to abou-t 12 mm~ The mandrel 60 carries a sleeve 64 of rubber or plastics material which is s]idably mounted thereon.
Sleeve 64 has a thin flexible and e~tensible latex rubber wall 66 fixed to i-t ln an air-tlght fashion. Sleeve 64 and wall 66 together define an inflatable cuff to the interior of which is connected a thin-walled tube 68. The tube 68 may be suitably fastened -to the mandrel 60 r in such a way as to allow slidable movement of the cuff along the mandrel. The tube 68 is connected to a T-piece and valve 70 and then alternatively to a pressure guage 72 or a manually operable inflater bulb 74. An advantage of this construction is that the inflatable cuff can readily be moved along the mandrel 60, nearer to or further from the end 62, as may be required to position it appropriately in relation to the muscle whose performance is to be monltored. A pressure relief valve 76 prevents a pressure greater than a predetermined limit being built up in the cuff 64, 66, even if the bulb 74 is continuously operated.
X~'15 The device illustrated in Figure 4 includes a hollow rubber latex tube 80 with a rounded end 82, its wall being of appropriate thickness or suitably reinforced (for example as described with reference to the device of Fi~ures 1 and 2) to give the device a stiffness so that it can be readily inserted witho~t discomfort and yet has sufficient rigidity not to be deformed by -the muscle movements being monitored. The tube 80 has a thin flexible and expansible annular rubber la-tex wall 84, similar to the wall 16 of Figure 1, defining with the tube 80 an inflatable cuff 86. ~ hole 88 is provided in the wall of the tube 80 leading into -the interior of the annular cuff 86. The interior of the tube ~0 is connected by a line 90 to a T piece and valve, bulb, pressure relief valve and guage (all not shown) in the same way as illustrated in Figure 3.
~lthough not shown in Figures 8 and ~, a flange corresponding to the flange 25 in Figure 1, slidable along the tube, is preferably inclu~ed in the arr~ngements shown in ~igures 3 and 4.
Pressure guage 24 (or 72) may be mechanical, electrical, or electronic. A muscular contraction will show as an increase in pressure of about 1 to 8 mm. of mercury on the guage, and so will be clearly noticeable to the patient.
_g_ The pressure ~uage may be an electFonic pressure sensor unit capable of giving either a numerical display of press~lre value or a display of lights, for example of different colors, triggered by the achievement of certain pressure valves For example, with such a unit it could be arrarlgcd using suitable circuity that a given muscle contrac-tion (and hence a given pressure) illuminates a lamp of one color, a greatex contraction illuminates a lamp of a second color, and a greater contraction still illuminates a lamp of a third color. Such a unit would preferably include a means of controlling the sensitivity so that the particular levels of pressure at which given lamps are illustrated could be adjusted.
For improved sensitivity, it is preferred - that tube 18 or tubes 50 and 48 or tube 68 be thin. For example, the tube may have an inner diameter of about O.S to about 1.5 mmO
The devices of this invention are employed as follows. The device is inserted into the body orifice to the desired depth as determined by flange 25. The valve 22 or 70 is opened and the cuff is inflated in any convenient way to a light pressure, for example about 40 to 60 mm. of mercury. The valve is closed and the patient then attempts to contract the sphincter muscles. The resultant efforts show clearly on t]le pressure guage.
Claims (2)
1. A device for assisting a female to control urinary incontinence comprising a first reinforced rubber latex tube with a closed rounded distal end having an inflatable cuff near said closed and rounded end thereof, and means for inflating said cuff and for connecting the interior of said cuff when inflated to a suitable pressure gauge, wherein said tube is reinforced in any suitable way to give it a degree of stiffness while not being rigid such that it can be inserted comfortably in the vagina and said tube includes a series of graduations or markings, and means for transmitting changes in pressure in the cuff to a display device.
2. A device according to Claim 1 for assisting a person to exercise sphincter-type muscles which includes a tube forming a support member and having an inflatable cuff near one end, a second tube opening into the interior of said inflatable cuff, a pressure gauge attached to the other end of said second tube, and a valve whereby air or gas can be allowed to enter said second tube in order to inflate said cuff.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8016613 | 1980-05-20 | ||
| GB8016613 | 1980-05-20 | ||
| CA000377962A CA1164746A (en) | 1980-05-20 | 1981-05-20 | Device for assisting control of female incontinence |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000377962A Division CA1164746A (en) | 1980-05-20 | 1981-05-20 | Device for assisting control of female incontinence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1188176A true CA1188176A (en) | 1985-06-04 |
Family
ID=25669329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000445213A Expired CA1188176A (en) | 1980-05-20 | 1984-01-12 | Device for assisting control of female incontinence |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1188176A (en) |
-
1984
- 1984-01-12 CA CA000445213A patent/CA1188176A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry | ||
| MKEX | Expiry |
Effective date: 20020604 |