JP2013502317A - Insert for microbial cleaning equipment - Google Patents

Insert for microbial cleaning equipment Download PDF

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Publication number
JP2013502317A
JP2013502317A JP2012525711A JP2012525711A JP2013502317A JP 2013502317 A JP2013502317 A JP 2013502317A JP 2012525711 A JP2012525711 A JP 2012525711A JP 2012525711 A JP2012525711 A JP 2012525711A JP 2013502317 A JP2013502317 A JP 2013502317A
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JP
Japan
Prior art keywords
cleaning
insert
device
fingers
cavity
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.)
Withdrawn
Application number
JP2012525711A
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Japanese (ja)
Inventor
ヴァイランコート,マイケル・ジェイ
カー,マーシャル
ブライト,ジェフリー・ディー
Original Assignee
シー・アール・バード・インコーポレーテッドC R Bard Incorporated
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Filing date
Publication date
Priority to US27473909P priority Critical
Priority to US61/274,739 priority
Priority to US12/752,744 priority
Priority to US12/752,744 priority patent/US8336151B2/en
Application filed by シー・アール・バード・インコーポレーテッドC R Bard Incorporated filed Critical シー・アール・バード・インコーポレーテッドC R Bard Incorporated
Priority to PCT/US2010/046096 priority patent/WO2011022601A1/en
Publication of JP2013502317A publication Critical patent/JP2013502317A/en
Application status is Withdrawn legal-status Critical

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools, brushes, or analogous members
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/70Cleaning devices specially adapted for surgical instruments
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
    • A61L9/00Disinfection, sterilisation or deodorisation of air
    • A61L9/015Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/04Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
    • A61L9/12Apparatus, e.g. holders, therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • B08B3/08Cleaning involving contact with liquid the liquid having chemical or dissolving effect
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/023Cleaning the external surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages

Abstract

The microbial cleaning brush, in one embodiment, uses an insert impregnated with an antibacterial disinfectant, contained in a housing of material compatible with alcohol, and sealed to be covered by a removable lid. The insert is kept sterile until ready for use. After the lid is removed, the insert is moved and rotated over the end of the female luer or other part of the medical device to clean the outer surface of the device as well as the inner luminal surface. In one embodiment, the insert includes a base from which an outer wall defining the chamber extends. A plurality of resilient fingers extend from the base into the chamber. A plurality of wipers extend radially inward from the outer wall into the chamber to allow cleaning of both the outer and inner surfaces of the medical device.
[Selection] Figure 29

Description

Cross-reference of related applications
[0001] This application claims the benefit of US Provisional Patent Application No. 61 / 274,739, filed Aug. 20, 2009, entitled “Microbial Scrub Brush”. This application is also a partial continuation of US patent application Ser. No. 11 / 732,075, filed Apr. 2, 2007, entitled “Microbiological Scrub Brush”, April 2010, entitled “Microbiological Scrubbing Device”. This is a continuation-in-part of US patent application Ser. No. 12 / 752,744, filed on the 1st. The entirety of each of these applications is hereby incorporated by reference.

  [0002] Briefly, embodiments of the present invention use a swab in the form of a piece of foam material impregnated with an antibacterial disinfectant, and when the piece of foam material is rotated around the lure, a female luer Can be inserted into the foam material piece and cleaned.

  [0003] Additionally, the swab is disposed in a housing that allows a user to manipulate the swab with the fingers of the hand. In this respect, the swab is secured within the housing, for example by an adhesive, so that after insertion of the female luer into the swab, the housing, and thus the swab, can be rotated by the user around the surface of the lure. The housing also includes an indication that indicates to the user the number of full rotations of the housing about the lure in use.

[0004] After securing the swab in the housing, a removable lid is placed over the housing to maintain the sterility of the swab prior to use.
[0005] In particular, embodiments of the present invention provide a microbial cleaning brush comprising a housing defining a cavity, an insert of foam material disposed within the cavity, and an antimicrobial disinfectant within the insert.

  [0006] The housing is sized to be easily handled using two or three fingers of the hand. Further, the housing is sized so that a female luer can be easily inserted into an insert within the cavity of the housing.

  [0007] In one embodiment, the insert comprises an annular portion for covering the outer surface of the female luer and a central portion for insertion into the central passage of the female luer for sterilizing the interior of the female luer. Yes.

  [0008] The foam material insert may be of any suitable material, such as a medical grade foam of a semi-independent hydrophilic polyurethane. The foam material can also be a closed foam, continuous foam or semi-closed foam.

  [0009] The antimicrobial disinfectant can be of any suitable type and is in any suitable amount depending on the size of the foam material insert. For example, in one embodiment, an aqueous solution containing about 2 percent (2%) chlorhexidine gluconate (chlorhexidine solution) in an amount of about 0.20 cc to about 0.75 cc, such as about 0.50 cc, is used.

  [00010] The cleaning brush also includes a lid to seal the cavity and insert from the ambient environment, to keep the insert in the housing sterile and to prevent the insert from drying out. To facilitate removal of the lid from the housing when the brush is used, the lid can also include a puller.

  [00011] In normal operation, the lid is removed from the brush to expose the end of the insert into the housing. The brush is then placed over the exposed female luer, i.e., the needleless connector, and rotated, for example, twice to turn completely. While rotating, the brush proceeds to automatically sew on the female luer until the lure reaches the bottom. For example, after two complete rotations, the brush can be removed from the lure by sliding the brush away from the lure and can be disposed of according to standard hospital regulations.

  [00012] In one embodiment, the cleaning brush includes a plurality of resilient fingers that substantially occupy the cross-sectional area of the cavity so that both the outer surface and the inner luminal surface of the medical device can be cleaned. Including inserts.

  [00013] In another embodiment, the cleaning brush insert includes a base from which an outer wall extends, and a plurality of centrally disposed columns or fingers. The insert may further include a plurality of wipers extending radially inward from the outer wall. The fingers are configured to clean the inner part of the medical device that is inserted into the cavity of the cleaning brush, and the outer wall wiper cleans the outer part of the device as the cleaning brush rotates around the device. Configured to do. In one embodiment, the cleaning brush insert is injection molded from silicone, although other materials and molding processes may be used.

  [00014] These and other features of embodiments of the present invention will become more fully apparent from the following description and appended claims, or may be embodied by the embodiments of the present invention described hereinafter. You can know by

  [00015] A more detailed description of the present disclosure is provided by reference to specific embodiments thereof illustrated in the accompanying drawings. It will be understood that these drawings are merely illustrative of exemplary embodiments of the invention and are therefore not to be considered limiting of its scope. The exemplary embodiments of the present invention will be described and explained with additional specificity and detail through the use of the accompanying drawings in which:

[00016] FIG. 3 is a perspective view of a microbial cleaning brush according to one embodiment. [00017] FIG. 2 is an exploded view of the cleaning brush of FIG. [00018] FIG. 3 is a perspective view of the housing of the cleaning brush of FIG. [00019] FIG. 2 is a cross-sectional view of the cleaning brush of FIG. [00020] FIG. 5 is a detailed view of the surface of the housing of FIG. [00021] FIG. 3 is a cross-sectional view of a modified housing according to one embodiment. [00022] FIG. 3 is a perspective view of the insert of the cleaning brush of FIG. [00023] FIG. 10 is a view of a female luer inserted into an insert of a microbial cleaning brush according to one embodiment. [00024] FIG. 3 is a cross-sectional view of a modified insert according to one embodiment. [00025] FIG. 10 is a cross-sectional view of a further modified insert according to one embodiment. [00026] FIG. 10 is a cross-sectional view of a further modified insert, according to one embodiment. [00027] FIG. 3 is a cross-sectional view of a stamped insert according to one embodiment. [00028] FIG. 10 is a cross-sectional view of a modified stamped insert according to one embodiment. [00029] FIG. 6 is a cross-sectional view of a further punched insert according to one embodiment. [00030] FIG. 10 shows a modified surface on a housing for receiving a closure lid. [00031] FIG. IB is a side view of a modified housing according to one embodiment. [00032] FIG. 17 is a rear closed end view of the housing of FIG. [00033] FIG. 17 is a view of the front open end of the housing of FIG. [00034] FIG. 3 is a perspective view of a foam plastic insert according to one embodiment. [00035] FIG. 20A is a perspective view of a foam plastic insert according to one embodiment. [00036] FIG. 20B is a perspective view of a foam plastic insert according to one embodiment. [00037] FIG. 20 is a top view of the insert of FIG. 19 in a circular cross-section holder that forms a cleaning brush according to one embodiment. [00038] FIG. 22 is a view of the male threaded catheter in a position to be inserted and rotated into the wash brush of FIG. [00039] FIG. 23 is a cross-sectional view of the cleaning brush of FIG. 21 while the male threaded catheter of FIG. 22 is rotating therein. [00040] FIG. 5 is a cross-sectional view of a male threaded catheter and cleaning brush at a point while the catheter is rotating within the foam insert of the cleaning brush. [00041] FIG. 5 is a perspective view of a sheet of material for use in a cleaning brush, according to one embodiment. [00042] FIG. 26 is a perspective view of the sheet of FIG. 25 in a rolled up and slit configuration that defines the insert of the cleaning brush. [00043] FIG. 27 is a cross-sectional side view of a holder of a cleaning brush including the rolled and slit sheet of FIG. 26 disposed within a cavity of the holder according to one embodiment. [00044] FIG. 4 is a top view of a cleaning brush with a lid removed, according to one embodiment. [00045] FIG. 29 is a cross-sectional view of the cleaning brush of FIG. 1 taken on line 29-29 of FIG. 28 with the lid in place. [00046] FIG. 9 is a top view of a modified insert according to one embodiment. [00047] FIG. 31 is a cross-sectional view of the cleaning brush of FIG. 30 taken on line 31-31 of FIG. [00048] FIG. 6 is a side view of a stepped contour finger for an insert according to one embodiment. [00049] FIG. 33 is an end view of the finger of FIG. 32 taken on line 33-33 of FIG. [00050] FIG. IB is a side view of a stepped profile altered finger for an insert, according to one embodiment. [00051] FIG. 6 is a side view of a uniform contour finger for an insert according to one embodiment. [00052] FIG. 36 is an end view of the finger of FIG. 35 showing a square cross-section. [00053] FIG. 5 is an end view of a uniformly contoured finger having a circular cross section. [00054] FIG. 6 is an end view of a uniformly contoured finger having a triangular cross-section.

  [00055] Referring now to the drawings, in which like structures are given like symbols. It is understood that the drawings are diagrammatic representations of exemplary embodiments of the invention and are not intended to be limiting or necessarily drawn to scale.

  [00056] For clarity, the word "proximal" refers to a direction that is relatively close to the clinician using the devices described herein, and the word "distal" is from the clinician. It should be understood that it refers to a relatively far direction. For example, the end of the catheter that is placed in the patient's body is considered the distal end of the catheter, and the end of the catheter that remains outside the body is the proximal end of the catheter. In addition, the words “including”, “has”, and “having” as used in this specification including the claims are “provided ( Comparing) "has the same meaning.

[00057] Referring to FIGS. 1 and 2, the microbial cleaning brush 20 comprises a housing 21, a swab in the form of an insert 22, and a lid 23.
[00058] Referring to FIGS. 3 and 4, the housing 21 is a cup-shaped integral and includes a base 24 and a ring 25 integrated with the base 24 to define a cylindrical cavity 26 having an open end. Formed with. The housing 21 is manufactured by injection molding and is made of an alcohol compatible material such as polypropylene or polyethylene.

  [00059] The cavity 26 is coaxial with the longitudinal axis of the housing 21, as shown in FIG. The overall dimensions of the housing 21 allow the housing 21 to be easily handled and rotated using two or three fingers of the hand. For example, the housing 21 can have an outer diameter of 1.825 cm (0.725 inches) and a length of 1.65 cm (0.650 inches). In other embodiments, the housing includes an outer diameter of about 0.75 inches and a length of about 0.90 inches. Of course, other housing dimensions are possible depending on the nature of the intended application.

  [00060] Referring to FIG. 3, the housing 21 has a plurality of ribs 27 on the outer surface of the ring 25 to provide a gripping surface. Any other suitable type of knot ridge can also be used. The housing 21 has a plurality of ribs on the inner surface of a ring 25 that extends into the cavity 26 to engage the insert 22 (not shown) to prevent the insert 22 from rotating within the cavity 17. 28 can also be included.

[00061] Optionally, the insert 22 can be adhesively secured against rotation within the housing 21.
[00062] Referring to FIG. 4, the housing 21 shows, for example, a protruding indicator on the outer surface to indicate the degree of rotation of the housing 21 when in use, in particular the number of rotations the brush 20 has rotated during use. The display has 29 shapes.

  [00063] Referring to FIG. 5, the housing 21 has an annular boss 30 at one end concentric with the cavity 26 for heat sealing the lid 23 thereon. In this respect, the lid 23 is a stamped foil lid covered with a material that easily heat-seals the polypropylene housing 21 with a boss 30. As shown in FIG. 1, the lid 23 includes a handle 31 extending from the lid 23 and the housing 21 in order to facilitate the manual removal of the lid 23 from the housing 21.

  [00064] Referring to FIG. 6, similar reference symbols refer to similar components described above, but the housing 21 'can also be manufactured as a two-part structure. For example, the housing 21 'includes a base 24' that receives the ring 25 'in a fixed relationship. As shown, the base 24 'has a shouldered annulus 32 that receives the ring 25' in a recessed manner so that the base 24 'and the ring 25' provide a smooth outer surface.

[00065] The ring 25 'further includes an inward lip 33 at the end opposite the base 24' to hold the insert 22 (not shown) therein.
[00066] Referring to FIGS. 4 and 7, the insert 22 is, for example, a foam material with an injection molded structure, or the insert 22 can be stamped from a foam sheet. The insert 22 is mounted in the housing 21 such that it is exposed to the open end of the housing 21.

  [00067] The distal end 34 of the insert 22 is flat, but slightly recessed within the open end of the housing 21, and the proximal end of the insert 22 is flat, with a suitable adhesive. Can be fixed to the base 24 of the housing 21. Typically, the insert 22 has an outer diameter of 1.43 cm (9/16 inch (0.5625 inch)).

  [00068] The insert 22 includes an annular portion 35 and a central portion 36 having a flat end therein. The flat end of the central portion 36 is flush with the end of the annular portion 35 as shown in FIG. 7, or is recessed in the annular portion 35 as shown in FIGS. Can be made.

  [00069] As shown in FIG. 8, the two portions 35, 36 of the insert are spaced circumferentially so as to define an annular gap 37 therebetween. Furthermore, the annular portion 35 has a conical inward surface 38 that provides a narrowing entrance to the gap 37 for the female luer 40, while the central portion 36 engages the taper of the female luer 40. The outer conical surface 39 is formed with a 6% taper.

  [00070] The exterior of insert 22 may be configured to mate with and mesh with ribs 28 (see FIG. 3) inside housing 21 to prevent rotation of insert 22 within housing 21. .

  [00071] The insert 22 is manufactured from a semi-closed cell, hydrophilic polyurethane, medical grade foam having a moderate absorption rate. The foam structure and size ensure that 0.5 cc of antimicrobial solution is retained without leakage.

  [00072] During assembly of the cleaning brush 20, the insert 22 is first secured within the housing 21 and then impregnated with an antimicrobial solution. Thereafter, the lid 23 is fixed to the housing 21.

  [00073] Referring to FIG. 8, the insert 22 is sized for use with a female luer 40 having an outer peripheral surface 41, a central passage 42 and a flange 43 around the passage 42. As shown, the annular portion 35 of the insert 22 is sized to wrap and wipe the outer surface 41 of the female luer 40, and the central portion 36 is the passage 42 of the female luer 40 to wipe the passage 42. Is sized to move into the.

  [00074] In normal operation, the lid 23 is removed to expose the insert 22, and the brush 20 is placed over the female luer 40, with the luer 40 between the two portions 35, 36 of the insert 22. It is inserted into the gap 37. The conical inlet 38 of the insert 22 facilitates centering the brush 20 relative to the luer 40.

  [00075] Next, the brush 20 is rotated. The rotation of the brush 20 automatically causes the insert 22 to enter the passage 42 of the luer 40 until the luer 40 reaches the bottom at the base of the gap 37 defined by the annular portion 35 and the central portion 36 of the insert 22. Proceed as if sewing. Usually, the brush 20 is rotated 360 degrees twice. After two complete rotations, the brush 20 can be removed and discarded by sliding the brush 20 off the luer 40.

  [00076] The housing 21 of the cleaning brush 20 protects the insert 22 from drying when sealed by the lid 23 and wipes the insert 22 around a female luer or the like after the lid 23 is removed. Works as a convenient holder.

  [00077] Referring to FIG. 9, similar reference symbols refer to similar parts described above, but the center 36 of the insert 22 'is not a flat surface as shown in FIG. That is, the crown portion 44 can be provided. Round crown 44 is particularly useful when cleaning brush 20 is used to clean a wipeable lure having a flat end or the like (not shown). In this case, the top of the crown 44 contacts the flat end of the lure that can be wiped first between two points. Then, as the brush 20 is further pressed against the lure, the crown 44 contracts, thereby compressing the central portion 36 of the insert 22 '. Then, when the brush is rotated, a cleaning action occurs between the surface of the compressed central portion 36 and the surface of the lure.

  [00078] Referring to FIG. 10, similar reference symbols refer to similar components described above, but the insert 22 ″ can be configured without a gap between the annular portion 35 and the central portion 36. In this embodiment, the two portions 35, 36 are contiguous with each other and define a slit 45 rather than a gap to receive the lure. Further, the central portion 36 is coextensive with the annular portion 35, that is, the central portion 36 is not recessed, and has a conical tapered surface 46 at the entrance end to the slit 45. Along with a small gap.

  [00079] Referring to FIG. 11, similar reference symbols refer to similar parts described above, but the insert 22 '' 'does not involve a conical inlet as in FIG. It may be configured to have an annular gap 37 between the annular portion 35 and the central portion 36 that extends throughout.

  [00080] Referring to FIG. 12, similar reference symbols refer to similar components described above, but the insert 47 is stamped to form a slit 45 by two portions 35, 36 that are continuous with each other. As shown, the slit 45 extends from the surface of the insert 47 and ends without reaching the rear end of the insert 47. Alternatively, the slit 45 may extend completely through the insert 47 'as shown in FIG. Further, as shown in FIG. 14, the center portion 36 may protrude from the annular portion 35 so as to extend beyond the annular portion 36. In this latter case, the exposed rear end 48 of the central portion 36 extends into a recess 49 (see FIG. 4) formed in the base 24 of the housing 21 and is secured therein by an adhesive. Can do.

  [00081] Referring to FIG. 15, similar reference symbols refer to similar parts as described above, but the housing ring 25 receives adhesive to secure the lid 23 (see FIG. 4) in place. It can be formed with a textured flat surface 50 or the lid 23 can be heat sealed in place.

  [00082] Referring to FIGS. 16-18, similar reference symbols refer to similar parts described above, but the housing 51 includes a plurality of continuous flat surfaces 52 for easier gripping with the fingers of the user's hand. Can be manufactured to have a polygonal outer cross section, such as a hexagonal cross section. These surfaces 52 can be textured or roughened to facilitate gripping. The one or more flat surfaces can also be provided with an indication such as a manufacturer's logo.

[00083] The housing 51 has a short flange 53 at the open end, as described above, also provided to form a surface 50 for receiving the lid 23.
[00084] Additionally, the housing 51 has a cavity 26 that is of a polygonal shape that is complementary to the outer cross-section to provide a plurality of flat walls 54. The cavity 26 and wall 54 are sized to receive the insert 22 in a compressed state. That is, in the case of a cylindrical insert 22 with a diameter of 1.43 cm (9/16 inch), the oppositely disposed walls 54 are spaced apart by 1.27 cm (0.500 inch), The corners 55 formed by the wall 54 and disposed on the opposite side are spaced apart by 1.53 cm (0.553 inches). Accordingly, the insert 22 is compressed circumferentially within the cavity 26.

  [00085] When the luer is inserted into the insert 22 in the housing 51, the insert wipes the surface of the luer by a cleaning action, depending on the degree of compression applied to the insert 22 when placed in the housing 51.

  [00086] The cleaning brush 20 can be modified in various ways. For example, if the device to be cleaned does not have a central passage, the insert 22 of the cleaning brush 20 can be manufactured without the central portion 36. In this embodiment, the cleaning brush is placed over the end of the device and then rotated to screw the cleaning brush into the end of the device for disinfection purposes. This embodiment also facilitates the disinfecting operation of the cleaning brush on the device by having the insert attached in a circumferentially compressed manner within the housing.

  [00087] Thus, embodiments of the present invention provide an apparatus that is easy to handle and can disinfect female lures in a simple manner. Furthermore, embodiments of the present invention provide an apparatus that can disinfect the interior of a female lure. This is a unique advantage over cloth-type wipes that cannot be easily inserted into the passage of the female lure.

  [00088] Embodiments of the present invention further include an insertion impregnated with an antibacterial solution for decontamination of the lure site that is housed in a sterile condition until ready for use and can be easily manipulated during use Offer things.

  [00089] FIGS. 19-27 illustrate further details regarding a microbial cleaning apparatus according to an embodiment of the present invention. Since many of the aforementioned features can be included in the cleaning apparatus discussed below, the following discussion includes only selected features. Accordingly, the following discussion should not be intended to limit the scope of the embodiments described herein.

  [00090] Referring to FIG. 19, the foam plastic insert 110 includes a cubic shape. In addition, the insert 110 has finger projections, i.e., the insert 110 is separated by slits 111 in each of two orthogonal directions to form separate parallel fingers 112 of rectangular cross-sectional shape. . The slit 111 extends down most of the height of the insert 110, for example about 3/4 of the height of the insert 110, so that the fingers 112 are integrated from a common base 113 that is rectangular in cross-sectional shape. Extend upward. As shown, the slits 111 are spaced apart to define a 4 × 4 grid of fingers 112.

  [00091] In one embodiment, the foam insert 110 is 5/8 inches long, 5/8 inches wide, and 3/4 inches long. Including height. It should be noted, however, that the length of the fingers, as well as the size and shape of the foam insert, may differ from those explicitly described herein. For example, the fingers may include a triangular, circular, or other polygonal shape in one embodiment, rather than including a square cross-sectional shape, as will be further understood below.

  [00092] Note that in one embodiment, the insert 110 in this embodiment comprises a semi-closed cell, hydrophilic polyurethane, medical grade foam. In other embodiments, the insert 110 comprises a low density closed cell polyethylene foam. In other embodiments, it is understood that the insert 110 can include other suitable materials. Appropriate material characteristics include sufficient deformability, ability to retain a cleaning substance such as an antimicrobial solution, appropriate resistance to tearing or separation, and stability in the presence of the cleaning substance. In one embodiment, a closed cell material can be used that includes sufficient surface tension to suspend the cleaning material on the surface of the finger.

  [00093] In other embodiments, in general, various other materials can be used to form the insert. Examples include low durometer medical grade elastomers and foams that exhibit the desired characteristics described above. Other non-limiting examples include polyurethanes including closed / semi-closed / open cell polyurethane foam, silicone rubber and silicones including closed / semi closed / open cell silicone foam, polyethylene, polypropylene, and SANTOPRENE. Includes thermoplastic elastomers including rubber and polypropylene sold under the name.

  [00094] It is further understood that in one embodiment, it is possible to include two or more materials in which the insert is included together to provide different regions with different cleaning properties, eg, different polishing properties. Accordingly, these and other modifications to the insert are contemplated.

  [00095] Referring to FIGS. 20A and 20B, similar reference symbols refer to similar components described above, but the foam insert is a 3 × 3 grid of fingers in a different number of fingers 112, ie, insert 110 ′. 112, or a slit 111 defining a 5 × 5 grid of fingers 112 in the insert 110 ″. Any suitable number of fingers 112 may be formed in the insert 110, and the spacing of the slits 111 may be such that the number and / or size of the fingers 110 and the desired number of fingers 112 for the application of the insert 110. Is adapted to. It is further understood that the shape and size of the insert may vary depending on the shape, size and number of fingers included with it.

[00096] Referring to FIG. 21, similar reference symbols refer to similar parts described above, but the insert 110 is disposed within a hexagonal cross-sectional shape holder 114 and described in the previous embodiments described above. A cleaning brush 115 similar to the cleaning brush thus formed is formed. The holder 114 is sized so that the opposing inner walls (flats) are spaced apart by 1/2 inch, so that the insert 110 is shown in FIG. As shown, when fitted into the cavity of the holder 114, it is subjected to compression, particularly at the corners. A suitable hot melt adhesive or other suitable adhesive can be used to attach the insert 110 to the bottom of the holder 114. Of course, other suitable methods may be used to secure the insert 110 to the holder 114 including, for example, mechanical fixation. In one embodiment, when the insert is inserted into the interior, the compression provided by the holder is sufficient to keep the insert in place within the holder.
[00097] As shown in FIG. 22, the cavity of the holder 114 includes a depth suitable for receiving the insert 110 in a recessed configuration. The insert 110 in this embodiment so arranged in the holder 114 substantially fills the cavity of the holder. In other embodiments, the insert can be sized to fill the holder cavity to a depth different from that shown here.

  [00098] The insert 110, when disposed within the cavity of the holder 114, substantially occupies the cross-sectional area of the cavity, as best seen in FIG. In this way, the fingers can be disposed over the entire cross-sectional area sufficient to clean both the outer and inner surfaces of the portion of the medical device that is inserted into the holder 114. It will be appreciated that the holder and the cavity it defines may take other forms including squares and circles and the like. In practice, the holder, its cavity, and the insert disposed therein are shaped to allow the cleaning brush 115 to clean a medical device of a particular size and configuration as a cleaning device. And can be configured to size.

  [00099] As in previous embodiments, the insert 110 is impregnated with a cleaning substance, such as a suitable microbicide or bactericidal solution, while in the holder 114. The cleaning material can include any suitable type and amount of antimicrobial disinfectant depending on the size of the foam material insert. For example, in one embodiment, an aqueous solution comprising about 2 percent (2%) chlorhexidine gluconate (chlorhexidine solution, “CHG”) is used in a volume of about 0.20 cc to about 0.75 cc. Optionally, a solution containing about 0.50 cc is used. In other embodiments, the cleaning material includes a solution comprising about 70 percent (70%) isopropyl alcohol (“IPA”) in an aqueous solution. In yet another embodiment, the cleaning material includes a solution comprising about 70 percent (70%) IPA and about 2 percent (2%) CHG in an aqueous solution in an amount of about 0.2 ml. In the latter solution, in one embodiment, the concentration of IPA may vary from about 60 percent (60%) to about 90 percent (90%), and the concentration of CHG from about 1 percent (1%). It will be appreciated that it may vary up to about 5 percent (5%).

[000100] Other suitable solution compositions and concentrations are possible. For example, in one embodiment, the cleaning material may include povidone iodine or a hydrogen peroxide solution.
[000101] When liquid, the desired characteristics of the liquid relative to the cleaning material include an appropriate surface tension that is retained by the finger and that can contact the cleaned portion of the medical device for cleaning. It is included that it is a solution.

  [000102] Referring to FIG. 23, similar reference symbols refer to similar parts described above, but the holder 114 is positioned inside and inside the holder 114 to prevent contamination by the external environment until the cleaning brush 115 is used. An annular lip 116 is included around the tip edge to define a region for receiving a sealing membrane (not shown) that seals the insert 110 impregnated with

  [000103] In one embodiment, the cleaning brush 115 can be used, for example, at the point of use and at the time of use, by injecting or introducing a cleaning material or disinfectant after the sealing membrane has been removed from the holder 114, for example, microbicidal Note that it is possible to provide a cleaning substance comprising an agent or disinfectant.

  [000104] In one embodiment, the use of the cleaning brush 115 as a cleaning device proceeds as follows. That is, after the sealing membrane is removed by the user, the object to be cleaned, such as a hollow catheter 117 with a male thread or a portion of a female luer connector, is inserted into the foam insert 110 by the user. At this time, as shown in FIG. 23, just below the surface of the portion where the catheter 117 is inserted, the finger 112 of the insert 110 is pushed down into the holder 114, and the fingers outside the peripheral edge of the catheter are A finger that is in an upright position, in contact with the outer peripheral surface of the catheter portion, and just below the lumen (hole) of the catheter enters the lumen. The reaction of the separation of the fingers 112 is prompted by the fingers 112 formed in the form having finger projections separated from each other as described above.

  [000105] After a portion of the catheter 117 is inserted into the foam insert 110 of the cleaning brush 115, the holder 114 is rotated relative to the catheter portion. For example, the user can keep the catheter 117 stationary while rotating the cleaning brush 115, or vice versa. In any case, the cleaning brush 115 may be a solution as described in US patent application Ser. No. 12 / 079,965, filed Mar. 31, 2008, which is incorporated herein by reference in its entirety. The catheter 117 is sufficiently killed by the foam insert 110 impregnated with and / or sufficient to remove the biofilm from the outer surface of the catheter 117 and the external thread and the inner surface of the lumen (hole). Rotated against. Thus, both the outer and inner luminal surfaces of a portion of the catheter 117 were cleaned by the respective fingers 112 of the insert 110, and the cleaning material retained by the fingers sterilized the surface and placed on the surface. Remove the biofilm. It should be noted that in one embodiment, a series of about 6 to about 10 rotations of the cleaning brush 115 relative to the catheter 117 is suitable for cleaning the aforementioned surface. In other embodiments, other rotational speeds are possible. In yet another embodiment, a back and forth twisting motion is used to clean the fingers that contact the part to be cleaned of the medical device. In the latter case, according to one embodiment, a series of eight back-and-forth twists are used, but of course other twist times or single / multi-directional movements are possible.

  [000106] Referring to FIG. 24, like reference symbols refer to like parts described above, but when the catheter 117 is inserted into the foam insert 110, in part, the lumen wall inside the lumen 118 and The frictional force between the fingers 112 in contact with the fingers 112 slightly compresses the fingers 112 entering the lumen 118 of the catheter 117. The degree of compression increases the degree of contact between the finger 112 and the lumen wall of the lumen 118, thus increasing the cleaning action of the finger 112 against the lumen wall. It is understood that the same cleaning enhancement is achieved on the fingers that contact the outer portion of the catheter 117 and other suitable portions of the medical device that are cleaned, for example, by a cleaning brush including a female luer connector. Is done.

  [000107] As shown in FIG. 24, a medical device, such as a male or female luer, a standard or needleless connector, or other object inserted into the irrigation brush 115, has any suitable surface on its outer surface. Can have a perimeter shape or contour as well as any suitable inner luminal surface or lumen 118. The lumen 118 can be conically tapered as shown, or can be of uniform diameter. In other embodiments, the inner luminal surface is not included.

  [000108] FIGS. 25-27 illustrate various details regarding a cleaning apparatus including an insert configured in accordance with one embodiment. In particular, a sheet of suitable material 200 as shown in FIG. 25 is rolled into a rolled up configuration as shown in FIG. A plurality of slits 211 are cut into the wound sheet 200 at a predetermined interval to define a plurality of fingers 212. As shown in FIG. 27, the rolled up insert 210 can be inserted into the cavity of the holder 114 of the cleaning brush 115, and an appropriate cleaning material is added to the insert 210.

  [000109] Sheet 200 may comprise any of a variety of suitable materials, including polyurethane foam, polyethylene foam, polyester, or other suitable natural or synthetic materials. Further, the material defining sheet 200 can include, among other things, a homogeneous configuration, a woven configuration, a knitted configuration, a fibrous configuration, or an unknitted configuration. In the case of a fibrous material, in one embodiment, the fibers of the material are aligned parallel to the slits to provide adequate tear resistance to the fingers.

  [000110] FIGS. 28 and 29 illustrate a cleaning brush 310 according to one embodiment that includes a hexagonal holder 311 as in previous embodiments. The swab or insert 312 includes a generally cylindrical body having a flat base 315 and a cylindrical outer wall 316 extending therefrom. The wall 316 of the insert 312 defines a chamber in which are disposed a plurality of centrally located fingers 317 extending upwardly from the insert base 315, best understood in FIG. A plurality of wipers 318 extend radially inward from the insert wall 316 into the chamber. The insert 312 can be secured inside the holder 311 by an adhesive that attaches the base of the insert to the bottom of the holder cavity, or by other suitable fastening. In other embodiments, the holder and the cleaning insert are integrally molded as a single unit.

  [000111] In one embodiment, the insert 312 comprises a silicone, such as a medical grade silicone rubber, or other suitable material as described above. The insert 312 in one embodiment is integrally formed of silicone by an injection molding process. Silicone provides a suitable material for the insert in that it is sufficiently strong, resilient, low peelable, stable in the presence of the cleaning solution, and has an appropriate surface for holding the cleaning solution. provide. Of course, other suitable processes and materials can be used to form the insert. In one embodiment, fingers and / or wipers may be formed separately from the base and later attached to the base to define the insert.

  [000112] A cleaning solution 313, such as a suitable disinfectant, is included with the insert 312 in the cavity of the cleaning brush holder 311 to allow it to adhere to the fingers 317 and the wiper 318 of the insert 312. Including surface tension. The cleaning solution 313 so configured covers the surface of the insert 312 and is in place when the cleaning brush 310 is used to clean a portion or other component of the medical device, as described. .

  [000113] In this embodiment, fingers 317 are centrally arranged as a square 3x3 lattice around the longitudinal axis of insert 312 and four pairs of wipers 318 are provided on insert wall 316. Arranged at equal distances around the inner periphery. Each wiper 318 so positioned extends into a space adjacent to finger 317 proximal thereto. This allows the wiper 318 to fully engage the outer portion of the connector or other device inserted into the cavity of the holder 311 for cleaning, and the finger 317 is the inner portion of the connector / device. Engage with and clean it. In other words, the insert finger 317 is biased against the inner surface of the connector to perform a wiping action when the cleaning brush is rotated relative to the connector, and the wiper 318 performs an external wiping action. So that it is biased against the outer surface of the connector so that the cleaning solution can contact the surface and kill bacteria / microorganisms on the surface.

  [000114] In this embodiment, the insert 312 is configured such that, for example, when the cleaning brush and luer connector are rotated relative to each other, the female luer connector engages the finger 317 and wiper 318 of the insert, and any thread of the luer connector. Is sized to allow it to be inserted into the cavity of the cleaning brush holder 311 by a distance sufficient to achieve cleaning of its inner and outer surfaces, including

  [000115] As shown in FIGS. 28 and 29, the fingers 317 each include a circular cross section and extend from the base 315 of the insert to the top surface of the insert 312. The wipers 318 each include a rectangular cross section and also extend from the base 315 to the top surface of the insert 312.

  [000116] FIGS. 30 and 31 illustrate an insert 312 according to an embodiment in which four pairs of wipers 318 arranged equidistantly are each replaced by a single wiper 318. Further, each wiper 318 of FIG. 30 defines a stepped structure including a thick portion 319 adjacent to the insert wall 316 and a thin portion 320 radially inward of the thick portion. Each such configured wiper 318 extends proximally relative to a respective one of the fingers 317. It is understood that the wiper can be offset or rotated in place around the periphery of the insert wall.

  [000117] From the foregoing it will be appreciated that the number, shape and size of wipers and fingers may differ from those shown and described herein to suit a particular need or application. The Figures 32-38 illustrate this non-limiting example. For example, FIGS. 32 and 33, in one embodiment, one or more of the fingers 317 may define a stepped profile having a circular cross section with about half of the fingers having a diameter that is relatively larger than the other half. It shows that it is possible. FIG. 34 shows a variation of the aforementioned stepped profile in which approximately three quarters of the length of the finger 317 is a relatively larger diameter than the remaining quarter of the length of the finger.

  [000118] FIGS. 35-38 show other non-limiting variations on possible finger configurations. In particular, FIGS. 35 and 36 illustrate that in one embodiment, finger 317 defines a uniform profile having a square cross section, and FIGS. 37 and 38 illustrate finger 317 including circular and triangular cross sections, respectively. . Other cross-sectional shapes are possible.

  [000119] It is shown that the cleaning brush can be configured as any of a variety of sizes. For example, in one embodiment, the cleaning brush is sized to accommodate up to about 0.75 cc of the cleaning solution detailed above, eg, at least one-half of the solution adheres to the surface of the insert. A defined holder can be included. In other embodiments, the wiper extends radially outward or inward from a wall having a relatively small diameter relative to the wall 316 (FIGS. 28, 30) or other suitable structure for cleaning. Can do. In still other embodiments, the wiper can extend transverse to the longitudinal axis of the insert, rather than perpendicular as illustrated in the accompanying drawings. Accordingly, these and other modifications are contemplated.

  [000120] The cleaning brushes described herein are explicitly discussed herein, including ear / nose probes, ultrasound probes, and non-medical devices where simple cleaning is desired. It should be further understood that other devices and components can be modified to clean.

  [000121] Embodiments of the invention may be embodied in other specific forms without departing from the spirit of the disclosure. The described embodiments are to be considered in all respects only as illustrative and not restrictive. The scope of the embodiments is, therefore, indicated by the appended claims rather than by the foregoing description. All changes that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (22)

  1. A cleaning device for cleaning a part of the device,
    A holder,
    A cleaning insert included with the holder,
    base,
    A cleaning insert including an outer wall extending from the base to define a chamber, and a plurality of fingers extending from the base into the chamber;
    Included with the cleaning insert to allow the surface of the device portion to be cleaned by the fingers when the device portion is engaged by the cleaning insert. And a cleaning device.
  2.   The cleaning device of claim 1, wherein the cleaning insert further comprises a plurality of wipers.
  3.   The cleaning device of claim 2, wherein the wiper extends radially inward from the outer wall.
  4.   The cleaning apparatus of claim 3, wherein at least one of the plurality of wipers and the plurality of fingers defines a stepped profile.
  5.   The cleaning device according to claim 3, wherein the wipers are spaced equidistantly around a periphery of the outer wall.
  6.   The cleaning device of claim 1, wherein the cleaning insert comprises silicone.
  7.   The cleaning device according to claim 1, wherein the cleaning insert is formed by injection molding.
  8.   The cleaning device of claim 7, wherein the cleaning insert comprises a silicone foam.
  9.   The holder defines a cavity in which the cleaning insert is disposed, and a plurality of wipers included with the cleaning insert engage the outer surface of the device, and the finger However, the part of the device is received in the cavity, and the cleaning insert allows the cleaning part to be cleaned by the cleaning solution included with the fingers and the wiper. The cleaning device of claim 1, wherein the cleaning device engages an interior of the device when moved relative to the device.
  10. A method for cleaning a portion of an apparatus, comprising:
    Providing a cleaning device including a holder defining a cavity and an insert disposed within the cavity, wherein the insert is disposed at a base and a plurality of centers from which an outer wall extends. Including a plurality of wipers, wherein said outer wall extends radially inward, said fingers and wiper further comprising a cleaning solution;
    Inserting the portion of the device into the cavity;
    The cleaning device relative to the portion of the device received in the cavity such that at least one of the fingers and wiper engages and cleans the surface of the portion of the device with the cleaning solution. And rotating the method.
  11. Rotating the cleaning device comprises
    Rotating the cleaning device relative to the portion of the device received within the cavity such that the finger engages the inner surface of the device and the wiper engages the outer surface of the device The method for cleaning of claim 10, further comprising:
  12. The device is a medical device, the fingers and the wiper are resilient, and inserting the portion of the medical device into the cavity;
    The method for cleaning according to claim 10, further comprising inserting the portion of the medical device into the cavity such that the finger or the wiper is in compression engagement with the portion.
  13. Rotating the holder comprises:
    The method for cleaning according to claim 10, further comprising rotating the holder a predetermined number of times so that biofilm is removed from the portion of the device by the fingers and wiper of the cleaning device.
  14. A cleaning device for cleaning a part of a medical device,
    A holder defining a cavity for receiving the portion of the medical device;
    A cleaning insert disposed in the cavity of the holder,
    base,
    A cleaning insert including a plurality of fingers extending from the base and a plurality of wipers extending radially inward into the cavity;
    A cleaning device comprising a cleaning solution included with a cleaning insert to clean a surface of a portion of the medical device engaged by at least one of the plurality of fingers and the plurality of wipers. .
  15.   15. The insert of claim 14, wherein the insert further includes an outer wall extending from the base, the wiper extending radially inward from the wall, and the wall defining a chamber in which the finger is disposed. Cleaning equipment.
  16.   16. The cleaning device of claim 15, wherein the finger and the wiper are resilient to contract against the surface of the medical device when the portion of the medical device is received in the cavity of the holder.
  17.   The cleaning apparatus of claim 16, wherein the cleaning insert is injection molded, comprises silicone, and the fingers are arranged as a 3 × 3 grid.
  18.   The cleaning device of claim 14, wherein the fingers include a circular cross-sectional shape, and at least one of the plurality of fingers and the plurality of wipers includes a stepped profile.
  19.   15. The cleaning of claim 14, wherein the medical device is a connector, the fingers are configured to engage an inner surface of the connector, and the wiper is configured to engage an outer surface of the connector. apparatus.
  20.   15. A cleaning device according to claim 14, wherein the wipers are arranged in pairs, and the pairs are spaced equidistantly around a periphery of the outer wall.
  21.   15. The cleaning device of claim 14, wherein the medical device is selected from the group consisting of a catheter, an ear probe, a nasal probe, and an ultrasound probe.
  22. A cleaning device for cleaning a part of a medical device,
    A holder defining a cavity for receiving the portion of the medical device;
    An injection molded cleaning insert comprising silicone, disposed within the cavity of the holder;
    base,
    An outer wall extending from the base and defining a chamber;
    A cleaning insert including a plurality of fingers extending from the base into the chamber and a plurality of wipers extending radially inward from the outer wall into the chamber;
    A cleaning device comprising a cleaning solution included with a cleaning insert to clean a surface of a portion of the medical device engaged by at least one of the plurality of fingers and the plurality of wipers. .
JP2012525711A 2007-04-02 2010-08-20 Insert for microbial cleaning equipment Withdrawn JP2013502317A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US27473909P true 2009-08-20 2009-08-20
US61/274,739 2009-08-20
US12/752,744 2010-04-01
US12/752,744 US8336151B2 (en) 2007-04-02 2010-04-01 Microbial scrubbing device
PCT/US2010/046096 WO2011022601A1 (en) 2009-08-20 2010-08-20 Insert for a microbial scrubbing device

Publications (1)

Publication Number Publication Date
JP2013502317A true JP2013502317A (en) 2013-01-24

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JP2012525711A Withdrawn JP2013502317A (en) 2007-04-02 2010-08-20 Insert for microbial cleaning equipment

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EP (1) EP2467217A4 (en)
JP (1) JP2013502317A (en)
KR (1) KR20120065357A (en)
CN (1) CN102497939B (en)
BR (1) BR112012003845A2 (en)
IN (1) IN2012DN01317A (en)
MX (1) MX2012002060A (en)
WO (1) WO2011022601A1 (en)

Cited By (3)

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Publication number Priority date Publication date Assignee Title
US8671496B2 (en) 2007-04-02 2014-03-18 C.R. Bard, Inc. Insert for a microbial scrubbing device
US8696820B2 (en) 2008-03-31 2014-04-15 Bard Access Systems, Inc. Method of removing a biofilm from a surface
US9192449B2 (en) 2007-04-02 2015-11-24 C. R. Bard, Inc. Medical component scrubbing device with detachable cap

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Publication number Priority date Publication date Assignee Title
US8065773B2 (en) 2007-04-02 2011-11-29 Bard Access Systems, Inc. Microbial scrub brush
US8069523B2 (en) 2008-10-02 2011-12-06 Bard Access Systems, Inc. Site scrub brush
CA2757080C (en) 2009-04-01 2017-03-14 C. R. Bard, Inc. Microbial scrubbing device
US20130136801A1 (en) 2011-11-28 2013-05-30 Hyprotek, Inc. Antimicrobial Composition Including a Residual Barrier Film
US9216063B2 (en) * 2012-12-18 2015-12-22 George Frey Apparatus and method for collecting reusable material and cleaning surgical instruments

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US6708363B2 (en) * 2002-05-23 2004-03-23 L. Chris Larsen Infant pacifier cleaning container
US7857793B2 (en) * 2004-07-14 2010-12-28 Medical Components Inc. Luer cleaner
US8740864B2 (en) * 2005-11-17 2014-06-03 Becton, Dickinson And Company Patient fluid line access valve antimicrobial cap/cleaner
US8065773B2 (en) * 2007-04-02 2011-11-29 Bard Access Systems, Inc. Microbial scrub brush
US8069523B2 (en) * 2008-10-02 2011-12-06 Bard Access Systems, Inc. Site scrub brush
CA2757080C (en) * 2009-04-01 2017-03-14 C. R. Bard, Inc. Microbial scrubbing device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8671496B2 (en) 2007-04-02 2014-03-18 C.R. Bard, Inc. Insert for a microbial scrubbing device
US9186707B2 (en) 2007-04-02 2015-11-17 C. R. Bard, Inc. Insert for a microbial scrubbing device
US9192449B2 (en) 2007-04-02 2015-11-24 C. R. Bard, Inc. Medical component scrubbing device with detachable cap
US9352140B2 (en) 2007-04-02 2016-05-31 C. R. Bard, Inc. Medical component scrubbing device with detachable cap
US8696820B2 (en) 2008-03-31 2014-04-15 Bard Access Systems, Inc. Method of removing a biofilm from a surface

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MX2012002060A (en) 2012-04-19
IN2012DN01317A (en) 2015-06-05
WO2011022601A1 (en) 2011-02-24
EP2467217A1 (en) 2012-06-27
CN102497939B (en) 2015-07-22
EP2467217A4 (en) 2013-10-23
BR112012003845A2 (en) 2016-03-22
CN102497939A (en) 2012-06-13
KR20120065357A (en) 2012-06-20

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