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WO2010070048A1 - Procede et appareil de fabrication de catheter a usage medical - Google Patents

Procede et appareil de fabrication de catheter a usage medical Download PDF

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Publication number
WO2010070048A1
WO2010070048A1 PCT/EP2009/067413 EP2009067413W WO2010070048A1 WO 2010070048 A1 WO2010070048 A1 WO 2010070048A1 EP 2009067413 W EP2009067413 W EP 2009067413W WO 2010070048 A1 WO2010070048 A1 WO 2010070048A1
Authority
WO
WIPO (PCT)
Prior art keywords
tube
opening
forming member
distal end
catheter
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.)
Ceased
Application number
PCT/EP2009/067413
Other languages
English (en)
Inventor
Jan Kent Olsen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unomedical AS
Original Assignee
Unomedical AS
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 Unomedical AS filed Critical Unomedical AS
Publication of WO2010070048A1 publication Critical patent/WO2010070048A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0009—Making of catheters or other medical or surgical tubes
    • A61M25/0015—Making lateral openings in a catheter tube, e.g. holes, slits, ports, piercings of guidewire ports; Methods for processing the holes, e.g. smoothing the edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/0015—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor specially adapted for perforating tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B26F3/06—Severing by using heat
    • B26F3/08—Severing by using heat with heated members

Definitions

  • the present invention relates to a method of making a catheter for medical purposes, such as for insertion into a body opening for draining fluids, wherein the catheter com- prises a flexible tube having a distal end region wherein the tube is provided with at least one draining opening.
  • the invention further relates to an apparatus for performing such method.
  • a catheter includes a flexible tube with a distal end, which may be open or closed.
  • the catheter is inserted into a body opening for draining fluids.
  • the catheter may be a urinary catheter for insertion into a urinary pathway for collecting the fluids in this pathway.
  • the tube is provided with a number of openings for colleting fluid and draining the body opening, in particular the urinary pathway.
  • a catheter of such kind is known from e.g. US-A-5,919,170.
  • the openings are preferably elongated to achieve a good fluid collecting capacity. These openings are usually punched into the tube. Examples of such catheters are known from e.g. GB-A-2 230 702 and US-A-3,995,518.
  • the catheter must be carefully inserted and removed to avoid damaging the tissue of the pathway. This can be a problem with these known catheters, since the openings have a relatively sharp edge which can damage the soft tissue of the pathway when the catheter is moved longitudinally or rotated in the pathway during inserted or re- traded.
  • the catheters are usually produced in PVC or PUR so that a soft flexible tube is provided thereby reducing the risk of tissue damage.
  • practical experience with the catheters have revealed that in particular tissue of a urinary pathway may nevertheless be damaged if the catheter is not carefully inserted or retracted from the pathway.
  • a catheter according to the present invention wherein the catheter comprises a flexible tube having a distal end region wherein the tube is provided with at least one draining opening, wherein the peripheral edge on the outside of the tube is provided with a curvature for creating a smooth transition between the exterior surface of the tube and the substantially radially oriented cut constituting the opening side and wherein said curvature is a rounded edge with a curvature radius between 0.2-0.6 mm.
  • the opening in the tube is provided with a three- dimensional contour in a curved plane congruent with the curvature of the opening in the cylindrical surface of the tube.
  • the opening is preferably elongated with a longitudinal length substantially corresponding to the diameter of the tube.
  • the catheter tube may be provided with different diameters so that different sizes of catheters may be provided.
  • the drainage openings in the catheter tube are preferably provided with an angle between the opening side wall and the internal surface of the tube is within the range of 64-90°. This provides the catheter with good drainage properties as well as tissue preserving properties.
  • the catheter tube is made of a medical grade polymer preferably having a Shore A value in the range of approx. 64 to approx. 100, in particular the polymer may be a thermoplastic material, such as a polyester-type thermoplastic polyurethane (TPU) compound having a Shore A value of approx. 94 ⁇ 3, polyvinylchloride (PVC), preferably having a Shore A hardness ranging from 78 to 85, or polyurethane (PUR).
  • TPU polyester-type thermoplastic polyurethane
  • PVC polyvinylchloride
  • PUR polyurethane
  • the catheter tube may be of polyvinylchloride (PVC) with a hardness measured in Shore A with a value of 64 to 86, preferably 80 to 85 Shore A.
  • a method of making a catheter comprising a polymer tube with openings therein, said method for providing openings in a polymer tube of such catheter comprising the steps of: providing a tube and punching at least one opening in the tube by advancing a cutting member in a substantially radial direction into the wall of the tube; manipulating the outer peripheral edge region of the at least one opening by rounding the peripheral edge of the punched opening in the tube by advancing a heated forming member into the opening and thereby providing the edges of the opening with a shape corresponding to the shape of the distal end of the forming member, said forming member having a distal end adapted for engagement a opening of the tube provided adjacent said distal end, wherein said distal end of the forming member is provided with a rounded shoulder transition at the foot of the distal end and with a protrusion extending from said shoulder transition region, said protrusion having a form fitting the opening in the tube, said rounded shoulder being formed with a contour in a curved plane
  • the loose cut-away material after the punching action is removed from the tube.
  • residues from the making of the opening do not drop into the inside of the catheter tube.
  • an apparatus for manipulating openings in a polymer tube for manufacturing a catheter comprising a movable frame comprising one or more forming stations, each forming station being adapted for receiving a flexible polymer tube with at least one opening therein through the station and each forming station comprising a forming member, which is mounted in floating arrangement said forming station, said forming member having a distal end adapted for engagement a opening of the tube provided adjacent said distal end, wherein said distal end of the forming member is provided with a rounded shoulder transition at the foot of the distal end and with a protrusion extending from said shoulder transition region, said protrusion having a form fitting the opening in the tube, said rounded shoulder being formed with a three-dimensional contour congruent with the curvature of the opening in the cylindrical surface of the tube, and heating means for said forming member, so that said forming member may be heated to a temperature above the softening point of the polymer of the tube and preferably below the melting point of
  • the distal end of the forming member is provided with a rounded shoulder transition at the foot of the distal end and with a protrusion extending from said shoulder transition region, said protrusion having a form fitting the opening in the tube, said rounded shoulder being formed with a three-dimensional contour congruent with the curvature of the opening in the cylindrical surface of the tube.
  • the rounded shoulder region is provided with a curvature radius between 0.2-0.6 mm and preferably the protrusion is elongated with a longitudinal length substantially corresponding to the axial extension of the opening on the tube.
  • the forming member is provided in a forming station which is arranged in a movable frame, and each forming station is adapted for receiving a flexible polymer tube through the station, and whereby the forming member is mounted in floating arrangement a forming station, whereby the forming member is self-aligning when the protrusion is engaging the opening of the tube.
  • This floating arrangement allows for inaccuracies in the positioning of the opening relative to the forming member.
  • the movable frame preferably comprises an upper section and a lower section where between the at least one forming station is arranged and the upper section is heated to a first temperature, such as 190°-200°C, and the lower section is heated to a second temperature, such as 170°-180 ⁇ C, which is lower than the first temperature.
  • the holding time of the forming member in contact with the tube is preferably 1 to 5 seconds, more preferably between 1.5 and 2.0 sec. Since there inherently is a heat loss between the movable frame and the shoulder and tip of the forming member, the temperatures applied to the upper and lower sections are somewhat higher than the preferred temperature which is between the softening point of the polymer of the tube and below the melting point of the polymer material of the tube.
  • the forming member is made of metal, such as brass or similar heat resistant material that can withstand the applied heat.
  • the temperature may be even above the melting point of the tube material if the holding time is kept very low, such as below 1.5 seconds.
  • predetermined temperatures and the holding times are selected in accordance with the specific plastic material used for the tube.
  • Fig. 1 is a side view of a catheter of the kind the present invention concerns
  • Fig. 2 is a detailed view of an axial cross-section of the tip of a catheter according to the invention.
  • Fig. 3 is a detailed view of a radial cross-section of the tip of a catheter according to the invention through the section B-B in fig. 2;
  • Fig. 4a)-e) are further views of a catheter according to the invention.
  • Fig. 5 is a perspective view of the catheter of fig. 4;
  • Fig. 6 is a detailed perspective view of the opening after punching but before the rounding process according to the invention
  • Fig. 7 is the same as fig. 6, but after the method of the invention is performed;
  • Figs. 8-10 are three side views of a forming member in an apparatus for making the catheters according to a preferred embodiment of the invention
  • Fig. 11 is a side view of a forming member of a smaller size than the forming member shown in fig. 9
  • Fig. 12 is a schematic end view along the catheter tube with two oppositely situated forming members in engagement in the draining openings
  • Fig. 13 is a section view along A-A in fig. 12;
  • Fig. 14 is a schematic side view of the catheter tube with two oppositely situated forming members in engagement in the draining openings;
  • Fig. 15 is a section view along B-B in fig. 14;
  • Fig. 16 is a section view along C-C in fig. 14;
  • Fig. 17 is a schematic front view of a forming station in a floating arrangement in a moveable frame in an apparatus according to an embodiment of the invention
  • Fig. 18 is a cross-sectional front view of the forming station in fig. 17
  • Fig. 19 is a cross-sectional side view of the forming station in fig. 17;
  • a catheter according to the invention comprises a flexible tube 1 , which is made of a plastic material, preferably polyvinylchloride (PVC) or polyurethane (PUR) and attached to a connector 2.
  • the tube 1 is provided with a num- ber of openings 3 in region of the distal end 4 of the tube 1.
  • This opening 3 serves a drain for collecting fluids outside the tube to flow inside the catheter tube 1 for draining the body space in which the catheter is inserted.
  • the opening 3 has a generally radially oriented side wall 5 (see fig 3), and which may be provided with an angular orientation v of between 60-90° relative to the inner surface of the wall of the tube 1 (see fig. 2).
  • the opening 3 may involve a slight indentation 6 into the tube inner space This indentation 6 may be between 0-0.5 mm.
  • the hole 3 is provided with rounded external edges 7, so that a smooth transition between the opening walls 3 and the surface of the tube 1 is ensured.
  • the openings 3 are punched in the tube using a punching tool (not shown) or other cutting tool. After the opening 3 is cut in the cutting process, the loose tube wall section is removed leaving an opening in the tube 1 where the opening 3 has a sharp outer edge, as shown in fig. 6. By the finishing process according to the invention, the outer edge is rounded as shown in fig. 5 and fig. 7.
  • a moveable frame 20 is used, see figures 17 to 19.
  • the moveable frame includes one or more forming stations, where each forming station is adapted for receiving a flexible polymer tube 1 through the station adjacent a forming member 10.
  • the forming station further includes a holding member 11 to which the forming member 10 is fixed. This member is connected to an upper section 21 of the frame 20 by a spring arrangement 26.
  • the holding member 11 is furthermore pivotably connected to the distal ends of a fork-like member 12, so that the fork-like member 12 and the holding member 11 may pivot relative to each other about an axis A substantially perpendicular to the tube 1 above the tube 1.
  • the fork-like member 12 is at its base pivotably connected to a third member 13, where the two members 12, 13 may pivot about an axis B substantially parallel to the tube 1 below the tube 1.
  • This third member 13 is then pivotably connected to a lower member 14 allowing these members 13, 14 to pivot about an axis C substantially perpendicular to the tube 1.
  • This lower member 14 is preferably vertically slidably secured to a lower section 22 of the frame via a spring 25.
  • the forming member 10 may be arranged in a fixed arrangement as shown in fig. 21 where the upper section 21 is guided by a guiding rod 30 whereby the upper section 21 is prevented from being moved in any direction other than the direction of the guiding rod 30, i.e. perpendicular to the longitudinal direction of the tube.
  • a pivot axis may be integrally formed or joined by a fixed joint. This allows for a simpler forming tool, which reduces the costs of manufacturing the forming tools as well as the set-up of the tool as there are fewer possibilities of movements that must be considered when installing the tool in a production facility.
  • the forming member 10 has a distal end 33 adapted for engagement the opening 3 of the tube 1 provided adjacent the distal end 33.
  • the distal end 33 of the forming member 10 is provided with a rounded shoulder transition 32 at the foot of the distal end 33 and with a protrusion 31 extending from the shoulder transition region 32.
  • the protrusion 31 has a form fitting the opening 3 in the tube 1.
  • the rounded shoulder 32 is formed with a three-dimensional contour congruent with the curvature of the opening 3 in the cylindrical surface of the tube 1. It is important to realise that the edge 7 of the opening on the tube 1 extend in a curved plane, i.e. the edge 7 has a three-dimensional extension.
  • the forming member 10 may be provided with different distal ends in order to adapt a forming member to a specific tube and opening size.
  • the forming member 10 By applying heat to the frame and thereby to the members in the forming station, which are all made of a thermally conductive material, preferably steel or similar metal, the forming member 10, which is made of brass or the like, is heated to a temperature above the softening point of the polymer of the tube and preferably below the melting point of the polymer material of the tube.
  • a first heat source 23 is applying heat to the upper section 21 of the frame 20 and a second heat source 24 is applying heat to the lower section 22 of the frame 20.
  • the first temperature may preferably be between 180-200 0 C ⁇ 10°C and the second temperature may be between 170-190 0 C ⁇ 10 0 C.
  • the diameter of the tube may be between 2.0 - 6.0 mm and the temperature applied is preferably in the lower range of the temperature range if the diameter is small.
  • the temperature ranges as well as the holding times may vary depending on the type of material and the thickness of the tube wall as well as the diameter of the tube.
  • the forming member 10 When heat is applied to the forming station and thereby to the forming member 10 the forming member 10 is advanced into engagement with the opening 3 in the tube 1 for a predetermined period of time, preferably between 1.5-2.0 seconds.
  • the temperatures applied and the times of engagement i.e. the holding time, are selected in accordance with the tube material and the tube dimensions. The temperature may be even above the melting point of the tube material if the holding time is kept very low.
  • the edge 7 is rounded in a plastic deformation process as the heated forming member 10 is moved into engagement in the opening 3.
  • the protrusion 31 fits into the opening 3 and as the protrusion aligns in the opening 3, the rounded transition 32 thereby advances correctly towards the edge region and thereby creates the desired rounding of the edge 7.
  • the floating arrangement described earlier facilitates the alignment of the forming member 10 in the opening.
  • two openings in a catheter made can be processed simultaneously by having two movable frames (not shown) adjacent each other so that a first forming member 10' is advanced into contact with an opening from a first side of the tube and a second forming member 10" is advanced into contact from a side opposite the first side.
  • the form of the edge 7 of the opening 3 in the tube 1 is determined by the geometry of the distal end of the forming member 10, in particular the shoulder transition 32 but also the protrusion 31.
  • the resulting tube opening 3 may be provided with an inclined side surface 5 with an angle v between 60°-90° in the axial direction between the opening side and the inner surface of the tube 1 , see fig. 2.
  • the side walls 5 of the opening 3 may have a radial direction in the cross-sectional direction.
  • a slight inwardly extending indentation 6 having a radial extension between 0-0.48 mm is also provided in the tube.
  • the pressure may be predetermined as the insertion depth of the distal end of the forming member 10 and may be controlled in relation to the predetermined measurements and tolerances.
  • the chosen combinations of temperature and time listed in table 1 below are found stabile for manufacturing and optimal with respect to minimizing the process time.
  • the parameters for the tests were:
  • the tube material was ESTANE 58212 TPU which is a thermoplastic polyurethane compound with a glass transition temperature of -25°C, an extrusion temperature of 200-210°C and an injection moulding temperature of
  • the insertion depth of the distal end of the forming member in the tube referred to as pressure
  • the rounding of the edge is a stamp of the forming member by a certain deformation of the tube. Accordingly, the shape of the distal end of the forming member is of most importance for obtaining a satisfactory rounding of the edge of the catheter opening 3.
  • a satisfactory result was considered achieved.
  • forming the distal end of the forming member with appropriate angles and transitions it was found further ensured that no "sharp" edges would occur on the tube.
  • the contour of the shoulder transition portion 32 of the distal end 33 of the forming member 10 are shaped with two end sections 34 with a "straight" section 35 therebetween.
  • the corresponding edge contours are marked on the tube opening 3 by 34' and 35', respectively.
  • the straight section 35 is substantially in the same plane, due to the cylindrical shape of the tube and the central straight shape of the opening when viewed from the Y-axis, the ends 34, 34' are curved out of this plane because of the rounded, semi-circular end portions of the opening again when viewed from the Y-axis.
  • This three-dimensional shape of the distal end of the forming member 10 is found particularly advantageous in order to achieve an opening 3 with an entirely and truly smooth contour.
  • This geometry ensures that an unacceptable deformation on the inside of the tube is prevented.
  • the resulting rounded edge along the opening in the catheter tube is in an X-Y and/or Y-Z plane.
  • the contour of the edge of the opening 3 is curved in an X-Y plane perpendicular to the rounded edge plane at any given place on along the opening.
  • This curvature of the side contour of the opening is due to the cylindrical form of the tube. This in turn means that when the opening is cut the central section, i.e. the straight section 35' in fig. 20, becomes lower that the outer contour of the tube view viewed from the side, e.g. as schematically shown in figs. 4a, 4c and 4e.
  • the catheter according to the invention may be a urinary catheter, a tracheostomy catheter or any other type of catheters for insertion into a body cavity for draining fluids.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Biomedical Technology (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

L'invention concerne un cathéter à usage médical, destiné par exemple à être inséré dans une ouverture corporelle pour drainer des liquides. Ce cathéter comprend un tube flexible comportant une zone d'extrémité distale sur laquelle le tube comporte au moins une ouverture de drainage, se caractérisant en ce que le bord périphérique sur l'extérieur du tube présente une courbure destinée à former une transition régulière entre la surface extérieure du tube et la découpe à orientation sensiblement radiale constituant le côté ouverture, cette courbe étant un bord arrondi présentant un rayon de courbure compris entre 0,2 et 0,6 mm. L'invention concerne également un procédé de fabrication de ce cathéter et un appareil permettant la mise en oeuvre de ce procédé.
PCT/EP2009/067413 2008-12-18 2009-12-17 Procede et appareil de fabrication de catheter a usage medical Ceased WO2010070048A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA200801809 2008-12-18
DKPA200801809 2008-12-18

Publications (1)

Publication Number Publication Date
WO2010070048A1 true WO2010070048A1 (fr) 2010-06-24

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Family Applications (1)

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PCT/EP2009/067413 Ceased WO2010070048A1 (fr) 2008-12-18 2009-12-17 Procede et appareil de fabrication de catheter a usage medical

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Country Link
WO (1) WO2010070048A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2745868A1 (fr) 2012-12-21 2014-06-25 Dentsply IH AB Dispositif médical comportant un substrat tubulaire et au moins des ouvertures d'accès partiellement traitées en surface
CN104128962A (zh) * 2014-07-10 2014-11-05 天津市塑料研究所有限公司 腰大池引流管打孔机及打孔加工方法
EP4046674A1 (fr) * 2021-02-22 2022-08-24 Automationspartner i Helsingborg AB Cathéter et procede de fabrication d'un cathéter
USD1083086S1 (en) 2022-12-20 2025-07-08 Hollister Incorporated Intermittent urinary catheter
USD1103378S1 (en) 2024-05-29 2025-11-25 Hollister Incorporated Intermittent urinary catheter

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2972779A (en) * 1954-06-07 1961-02-28 Baxter Don Inc Plastic tubing process
US4259276A (en) * 1977-06-24 1981-03-31 Rawlings Derek S Hole forming
US5088193A (en) * 1988-09-02 1992-02-18 Sanden Corporation Method for manufacturing a heat exchanger
US20060027063A1 (en) * 2004-08-09 2006-02-09 Currier Jonathan M Tooling apparatuses and processes for providing precision shapes in medical catheters
WO2008104603A1 (fr) * 2007-02-28 2008-09-04 Coloplast A/S Procédé permettant d'arrondir les bords d'ouvertures ménagées dans un corps tubulaire et produit associé
WO2008155145A1 (fr) * 2007-06-20 2008-12-24 Unomedical A/S Cathéter, procédé et dispositif de fabrication dudit cathéter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2972779A (en) * 1954-06-07 1961-02-28 Baxter Don Inc Plastic tubing process
US4259276A (en) * 1977-06-24 1981-03-31 Rawlings Derek S Hole forming
US5088193A (en) * 1988-09-02 1992-02-18 Sanden Corporation Method for manufacturing a heat exchanger
US20060027063A1 (en) * 2004-08-09 2006-02-09 Currier Jonathan M Tooling apparatuses and processes for providing precision shapes in medical catheters
WO2008104603A1 (fr) * 2007-02-28 2008-09-04 Coloplast A/S Procédé permettant d'arrondir les bords d'ouvertures ménagées dans un corps tubulaire et produit associé
WO2008155145A1 (fr) * 2007-06-20 2008-12-24 Unomedical A/S Cathéter, procédé et dispositif de fabrication dudit cathéter

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2745868A1 (fr) 2012-12-21 2014-06-25 Dentsply IH AB Dispositif médical comportant un substrat tubulaire et au moins des ouvertures d'accès partiellement traitées en surface
WO2014095531A1 (fr) * 2012-12-21 2014-06-26 Dentsply Ih Ab Dispositif médical et procédé pour le produire, comprenant un substrat tubulaire et des ouvertures d'accès au moins partiellement traitées en surface
CN104128962A (zh) * 2014-07-10 2014-11-05 天津市塑料研究所有限公司 腰大池引流管打孔机及打孔加工方法
CN104128962B (zh) * 2014-07-10 2016-02-17 天津市塑料研究所有限公司 腰大池引流管打孔机及打孔加工方法
EP4046674A1 (fr) * 2021-02-22 2022-08-24 Automationspartner i Helsingborg AB Cathéter et procede de fabrication d'un cathéter
US11896775B2 (en) 2021-02-22 2024-02-13 Automationspartner i Helsinborg AB Catheter and process for manufacturing a catheter
USD1083086S1 (en) 2022-12-20 2025-07-08 Hollister Incorporated Intermittent urinary catheter
USD1084303S1 (en) 2022-12-20 2025-07-15 Hollister Incorporated Intermittent urinary catheter
USD1103378S1 (en) 2024-05-29 2025-11-25 Hollister Incorporated Intermittent urinary catheter

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