MALE EXTERNAL CATHETER
20220211538 · 2022-07-07
Inventors
Cpc classification
A61F5/443
HUMAN NECESSITIES
A61F5/453
HUMAN NECESSITIES
International classification
A61F5/453
HUMAN NECESSITIES
A61F5/44
HUMAN NECESSITIES
Abstract
An attachment device for securing a medical device to a user includes a supportive strap portion and an adhesive body. The supportive strap portion includes a first strap end and a second strap end opposite to the first strap end. The first strap end includes a first fastener providing a first fastening point, and the second strap end includes a second fastener providing a second fastening point. The supportive strap portion is elastic and has an unstretched length between the first and second fastening points of the first and second strap ends. The adhesive body is secured to the second strap end using the second fastener. The first strap end is connected to the medical device using the first fastener.
Claims
1. An attachment device for securing a medical device to a user, the attachment device comprising: a supportive strap portion including a first strap end and a second strap end opposite to the first strap end, wherein the first strap end includes a first fastener providing a first fastening point, wherein the second strap end includes a second fastener providing a second fastening point, and wherein the supportive strap portion is elastic and has an unstretched length between the first and second fastening points of the first and second strap ends; and an adhesive body secured to the second strap end using the second fastener; wherein the first strap end is connected to the medical device using the first fastener.
2. The attachment device of claim 1, wherein the first fastener comprises a first snap button that includes a male component and a female component spaced apart on the supportive strap portion adjacent to the first strap end.
3. The attachment device of claim 2, wherein the first strap end of the supportive strap portion is positioned within an opening of the medical device such that the male and female components are positioned on opposite sides of the opening of the medical device and secured together to form the first fastening point.
4. The attachment device of claim 2, wherein the second fastener comprises a second snap button that includes a male component and a female component spaced apart on the supportive strap portion adjacent to the second strap end.
5. The attachment device of claim 4, wherein each of the first and second snap buttons includes a plurality of female components positioned along the supportive strap portion.
6. The attachment device of claim 1, wherein the adhesive body includes an opening.
7. The attachment device of claim 6, wherein the second fastener comprises a second snap button that includes a male component and a female component spaced apart on the supportive strap portion adjacent to the second strap end, and the second strap end of the supportive strap portion is positioned within the opening of the adhesive body such that the male and female components are positioned on opposite sides of the opening of the adhesive body and secured together to form the second fastening point.
8. The attachment device of claim 1, further comprising: a further supportive strap portion including a further first strap end and a further second strap end opposite to the further first strap end, wherein the further first strap end includes a first fastener providing a first fastening point, wherein the further second strap end includes a second fastener providing a second fastening point, and wherein the further supportive strap portion is elastic and has an unstretched length between the first and second fastening points of the further first and second strap ends; and a further adhesive body secured to the further second strap end using the second fastener; wherein the further first strap end is connected to the medical device using the first fastener.
9. The attachment device of claim 1, wherein the medical device comprises one of a male external catheter, a tracheostomy tube, and an endotracheal tube.
10. A method for securing a medical device to a user's body, the method comprising: providing an attachment device for securing the medical device to the user's body, the attachment device comprising: a supportive strap portion including a first strap end and a second strap end opposite to the first strap end, wherein the first strap end includes a first fastener providing a first fastening point, wherein the second strap end includes a second fastener providing a second fastening point, and wherein the supportive strap portion is elastic and has an unstretched length between the first and second fastening points of the first and second strap ends; and an adhesive body secured to the second strap end using the second fastener; connecting the first strap end of the supportive strap portion to the medical device using the first fastener; positioning the medical device on the user's body; and securing the adhesive body to the user's body; wherein a distance between the adhesive body secured to the user's body and the medical device positioned on the user's body causes a distance between the first and second fastening points of the supportive strap portion to be greater than the unstretched length of the supportive strap portion, creating tension along the supportive strap portion that secures the medical device to the user's body.
11. The method of claim 10, further comprising: positioning the medical device on the user's body before securing the adhesive body to the user's body; and pulling the adhesive body and the second strap end away from the medical device before securing the adhesive body to the user's body.
12. The method of claim 10, further comprising: securing the adhesive body to the user's body before connecting the first strap end to the medical device; and pulling the first strap end away from the adhesive body before connecting the first strap end to the medical device.
13. The method of claim 10, wherein the first fastener comprises a first snap button that includes a male component and a female component spaced apart on the supportive strap portion adjacent to the first strap end and are secured together to form the first fastening point, and wherein the second fastener comprises a second snap button that includes a male component and a female component spaced apart on the supportive strap portion adjacent to the second strap end and are secured together to form the second fastening point.
14. The method of claim 13, further comprising: threading the first strap end of the supportive strap portion through an opening of the medical device; and threading the second strap end of the supportive strap portion through an opening of the adhesive body.
15. A male external catheter that connects to tubing of a drainage bag, the male external catheter comprising: a tubular body including a first end having a first opening and a second end having a second opening, wherein the tubular member includes a flexible flange at the first end of the tubular body surrounding the first opening, the flexible flange including a first side portion and a second side portion on opposing sides of the first opening; first and second supportive strap portion including a first strap end and a second strap end opposite to the first strap end, wherein the first strap end includes a first fastener providing a first fastening point, wherein the second strap end includes a second fastener providing a second fastening point, and wherein the supportive strap is elastic and has an unstretched length between the first and second fastening points of the first and second strap ends; and first and second adhesive bodies, each adhesive body secured to the second strap end of the first and second supportive strap portions, respectively, using the second fasteners; wherein the first strap ends of first and second supportive strap portions are connected to the first and second side portions, respectively, of the flexible flange using the first fasteners.
16. The male external catheter of claim 15, wherein the first and second supportive strap portions are discrete components.
17. The male external catheter of claim 15, wherein the first and second side portions of the flexible flange include first and second openings, respectively; wherein each first fastener comprises a first snap button that includes a male component and a female component spaced apart on the supportive strap portion adjacent to the first strap end; and wherein each first strap end of each supportive strap portion is positioned within the one of the first and second openings of the first and second side portions such that the male and female components of each first snap button are positioned on opposite sides of the respective opening of the flange and are secured together to form the first fastening points.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
[0037] The drawing figures depict one or more implementations in accord with the present concepts, by way of example only, not by way of limitations. In the figures, like reference numerals refer to the same or similar elements.
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DETAILED DESCRIPTION
[0049]
[0050] Referring to
[0051] As shown in
[0052] During one example method of use illustrated in
[0053] In another example method of use illustrated in
[0054] Referring to
[0055] The opening 106a of the flange 104 of the male external catheter 100 is then stretched open and the penis is then inserted into the stretched, enlarged opening 106a, as described in greater detail below.
[0056] Once the male external catheter 100 is positioned on the user, the first and second strap ends 113c, 113d are connected at a point 115 as shown in
[0057] In the embodiment illustrated in
[0058] When connecting the first and second strap ends 113c, 113d, the amount of tension needed is minimal in that the goal is to simply bend the side portions 108a, 108b of the flange 104 toward the body 102 of the catheter 100. Connecting the strap ends 113c, 113d too tightly and/or at a point 115 that is too close to the flange 104 may cause excessive deformation to the opening 106a and/or body 102, resulting in discomfort to the user. The amount of tension/force should be at least a minimum amount to cause the side portions 108a, 108b to bend towards the body 102 but less than a maximum amount to avoid excessive deformation and discomfort. Additionally, the first and second strap ends 113c, 113d are connected together below the flange 104 to avoid contact with the skin of the user.
[0059] After the strap ends 113c, 113d are connected, the flange 104 can be separated from the penile skin without much pressure. During use, urine flows from the body 102 through tubing into the drainage bag. A urine column forms between the body 102 of the catheter 100 and the drainage bag, and remains in place due to the negative pressure within the male external catheter 100. The user may briefly separate the flange 104 from the penile skin to allow airflow into the body 102 of the catheter 100, releasing the negative pressure therein and allowing urine within the tubing to drain into the drainage bag. The user can then allow the flange 104 to return to the deformed configuration, snugly fitting around the penis.
[0060] In a third method of use illustrated in
[0061]
[0062] Each snap button 206, 207 includes a male component 206-1, 207-1 and at least one female component 206-2, 207-2 spaced apart by a sufficient distance, for example, approximately 4 cm, that connect together to form a fastening point. The end portion of the supportive strap portion 202 with the male component 206-1, 207-1 may fold over onto the remainder of the supportive strap portion 202 and engage with the female component 206-2, 207-2 spaced inwardly. In some embodiments, the supportive strap portion 202 includes a plurality of spaced female components 206-2, 207-2 to enable the user to adjust the length of the supportive strap portion 202 and/or the positioning of the components, such as the adhesive 204, attached to the ends 202-1, 202-2. In other embodiments, other suitable fasteners may be used. In the illustrated embodiment, the adhesive 204 includes an adhesive body 208 with an opening 210 provided therein. The opening 210 may be located centrally within the adhesive body 208 or may be positioned closer to an edge of the adhesive body 208. During use, the second end 202-2 of the supporting strap portion 202 is threaded through the opening 210 such that the male and female components 207-1, 207-2 of the snap button 207 are positioned on opposite sides of the opening 210 as shown in
[0063] In the illustrated embodiment, the adhesive body 208 has a butterfly shape, although suitable shape, such as rectangular, circular, etc., may be used. The size may be any size suitable for maintaining a secure attachment to the user's body, such as but not limited to 12 cm by 5 cm, 10.9 cm by 1.6 cm, 10 cm by 5 cm, 9 cm by 5 cm, or 7 cm by 2 cm.
[0064] Adhesive material 212 that adheres to the user's body is provided on an underside of the adhesive body. In some embodiments, the adhesive material 212 is a silicone adhesive for skin adhesion such as, for example, 3M™ Medical Silicone Tape 2476P, Single Sided Polyester Spunlace Nonwoven, and may retain adhesive qualities for up to five days. In some embodiments, a select area of the underside around the opening is free from adhesive material 212 and the supportive strap portion 202 contacts the underside at the select area.
[0065] In other embodiments, the adhesive body 208 may be continuous, i.e. without an opening 210. An end or other section of the supportive strap portion 202-2 may be secured directly to the underside of the adhesive body 208, and positioned between the adhesive body 208 and the user's body during use.
[0066] In a still further embodiment, the adhesive body 208 includes a loop on an outer surface of the adhesive body opposite of the underside, and the second end 202-2 of the supportive strap portion 202 is either attached to the loop or is threaded through the loop and secured thereto using a snap button or other fastener as described above.
[0067] Referring to the embodiment illustrated in
[0068] The supportive strap portion 202 has an unstretched overall length between the first and second strap ends 202-1, 202-2 thereof and an unstretched length between the first and second fastening points of the first and second fasteners 206, 207. When the attachment device 200 is used to attach the condom catheter 100 to the user's body as shown in
[0069] In other embodiments, the attachment device 200 may include a relatively longer supportive strap portion 202 in lieu of two relatively shorter supportive strap portions 202. The longer supportive strap portion 202 may be threaded through the openings 110a, 110b of the side portions 108a, 108b of the flange 104 of the condom catheter 100 and extend around one side of the tubular body 102 similar to strap 113 shown in
[0070] Referring to the embodiment illustrated in
[0071] In the method of use of the condom catheter 100 as shown in
[0072] In some embodiments, the straps 112, 113, 202a, 202b may comprise an elastic, non-latex, and/or silicone material. In one example, the strap 113 comprises an elastic, non-latex material having a width of about 0.5 in and a length of about 12 in. In other embodiments, the strap 112, 113, 202a, 202b may comprise an inelastic material. In still further embodiments, the strap 113 may comprise an elastic or inelastic material that connects together through a hook and loop fastener, an adhesive, or another suitable means of connection.
[0073] Referring to
[0074] Referring to
[0075] Each of the base portion 102a, the central portion 102b, and the tip portion 102c include a base wall thickness t.sub.b, a central wall thickness t.sub.c, and a tip wall thickness t.sub.t, respectively. In the illustrated embodiment, the central wall thickness t.sub.c is less than each of the base wall thickness t.sub.b and the tip wall thickness t.sub.t. In some embodiments, the central wall thickness t.sub.c is less than one of the base wall thickness t.sub.b and the tip wall thickness t.sub.t. This difference in wall thicknesses enables the central portion 102b of the body 102 to collapse around the user's penis while urine flows through the tip portion 102c and tip into the drainage bag.
[0076] In some embodiments, the ratio of the central wall thickness t.sub.c to one or both of the base wall thickness t.sub.b and the tip wall thickness t.sub.t is at least 1:1.1, preferably 1:1.2. In other embodiments, the ratio of the central wall thickness t.sub.c to one or both of the base wall thickness t.sub.b and the tip wall thickness t.sub.t is at least 1:1.5, and in still further embodiments, the ratio of the central wall thickness t.sub.c to one or both of the base wall thickness t.sub.b and the tip wall thickness tris at least 1:2.
[0077] The base portion 102a of the body 102 may be formed integrally with the base 104 and has a base height h.sub.b of approximately 0.830 in, although the base height h.sub.b may vary as desired or required during manufacturing. In one embodiment, the base wall thickness t.sub.b is preferably about 0.060 in at the greatest point, although the base wall thickness t.sub.b may vary as desired or as required during manufacturing. In one embodiment, the base wall thickness t.sub.b tapers from a predominant base wall thickness t.sub.b-p to the central wall thickness t.sub.c near the juncture of the base portion 102a and the central portion 102b. In one embodiment, the predominant base wall thickness t.sub.b-p is about 0.060 in.
[0078] The central portion 102b of the body 102 includes a planar section 102b-1 adjacent the base portion 102a and a bellowed section 102b-2 adjacent the tip portion 102c. The bellowed section 102b-2 includes horizontal bellows 114 transverse to the height H of the body 102, and the planar section 102b-1 may include optional vertical ribbing 116 connected to the horizontal bellows 114. The vertical ribs 116 may be evenly positioned along the perimeter of the body 102 near the juncture of the planar section 102b-1 and the bellowed section 102b-2.
[0079] In one embodiment, the central portion 102b has a central height h.sub.c of about 1.514 in, although the central height h.sub.c may vary as desired or required during manufacturing. The central wall thickness t.sub.c is preferably about 0.030 in, although the central wall thickness t.sub.c may vary as desired or as required during manufacturing.
[0080] The tip portion 102c of the body 102 has a tip height h.sub.t of about 1.315 in, although the tip height h.sub.t may vary as desired or required during manufacturing. The tip wall thickness t.sub.t is preferably about 0.060 in although the tip wall thickness t.sub.t may vary as desired or required during manufacturing. In some embodiments, the tip portion includes horizontal ribbing along the perimeter of the cylindrical body.
[0081] Shown in
[0082] The male external catheter 100 of the present application may come in different sizes to accommodate differently sized patients. While the dimensions of the structure may vary, the base wall thickness, the central wall thickness, and the tip wall thickness remain the same. In other words, while the diameter of the body may vary between sizes, the central wall thickness is preferably about 0.030 in while the base wall thickness and the tip wall thickness is about 0.060 in.
[0083] In the embodiment illustrated in
TABLE-US-00001 TABLE 1 Dimensions (in) Small-Medium Size Medium-Large Size FIG. 8A A 2.250 2.250 B 1.737 1.737 C 1.842 1.842 FIG. 8B F 4.280 4.280 G 2.965 2.965 H 1.315 1.315 J 1.514 1.514 K 0.830 0.830 L 0.260 0.160 M 0.100 0.080 N 0.160 0.080 P 4.280 4.280 Q 1.842 1.607 R 0.827 1.062 U 1.003 1.003 V 0.747 0.747 W 0.887 1.122 X 0.947 1.182 Y 0.410 0.410 AA 0.060 0.060 BB 0.030 0.030 CC 0.060 0.060
[0084] In one embodiment, the male external catheter 100 is made of a silicone rubber compound, although other suitable materials may be used. The silicone rubber compound may be a peroxide-cured silicone elastomer including polydimethylsiloxane with vinyl functional groups. In one embodiment, the compound comprises approximately 70% to approximately 90% by weight polydimethylsiloxane. The silicone rubber material may be hardness (Shore A hardness test) of 20 points, a tensile strength of 800 psi, an elongation at rupture of 800%, and a specific gravity of 1.2. In some embodiments, the male external catheter 100 is latex free. In other embodiments, the body 102 and the flange 104 may be composed of the same material or different materials.
[0085] During use of the device as shown in
[0086] A first end of the elastic strap 112 is extended from a first side of the patient across the lower abdomen and secured to the side portion 108 opposite the first side of the patient. A second end of the elastic strap 112 is then extended from a second side of the patient across the lower abdomen and secured to the side portion 108 opposite the second side of the patient.
[0087] Referring to use of the device as shown in
[0088] The first end 113c and the second end 113d of the strap 113 are drawn together in front of the body 102 below the flange 104 and tied such that sufficient force is applied to the first and second side portions 108a, 108b of the flange 104, respectively, to deform a shape of the opening 106a.
[0089] In particular, the deformation of the opening 106a from the first width W.sub.1 to the second width W.sub.2 combined with the variation in wall thickness of the body 102 provides a male external catheter that maintains positioning on the user's penis with minimal to no leakage and without undue pressure on the penis during use. Use of the external male catheter 100 as shown in
[0090] Further, a negative pressure exists within the body 102 of the male external catheter 100 is being used to drain urine to the drainage bag such that urine remains in the tubing between the male external catheter 100 and the drainage back. A tool, a finger, or another object may be used to separate the flange 104 from the penis of the user during use to release the negative pressure. This release of negative pressure allows the urine to flow freely through the tubing to the drainage bag, away from the male external catheter 100.
[0091] Referring to use of the device as shown in
[0092] The first and second strap ends 202-1, 202-2 of the supportive strap portions 202 of the attachment devices 200 are pulled upwards and away from the male external catheter 100 at an angle of about 45 degrees to position the catheter 100 onto the user's body. By using a 45 degree angle, the flange of the catheter 100 is stretched evenly on both sides thereof to keep the catheter 100 centered on the user's penis for improved functionality. For many patients that are confined to the bed, healthcare workers rotate the patient's body from side to side to prevent ulcers. Use of the supportive strap portions 202a, 202b with the adhesives 204a, 204b securely holds the catheter 100 in place on the patient during this common adjustment.
[0093] The adhesives 204a, 204b are then secured to the user's body between the lower abdomen and the lower anterior hip area, ideally in an area with minimal hair growth, in order to maintain the position of the condom catheter 100 on the body, as shown in
[0094] Conventional condom catheters typically include Velcro® (i.e., hook and loop material) and/or adhesives around the base of the penis, often constricting the penis because the materials do not expand with the changing size of the penis during use. Additionally, in some cases, use of the catheter as shown in
[0095] It should be noted that various changes and modifications to the presently preferred embodiments described herein will be apparent to those skilled in the art. Such changes and modifications may be made without departing from the spirit and scope of the present invention and without diminishing its attendant advantages. For example, various embodiments of the systems and methods may be provided based on various combinations of the features and functions from the subject matter provided herein