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Plastic needle holder

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Publication number
US3766915A
US3766915A US3766915DA US3766915A US 3766915 A US3766915 A US 3766915A US 3766915D A US3766915D A US 3766915DA US 3766915 A US3766915 A US 3766915A
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Prior art keywords
cannula
catheter
handle
needle
tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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Inventor
F Rychlik
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Illinois Tool Works Inc
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Illinois Tool Works Inc
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06Body-piercing guide needles or the like
    • A61M25/0612Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
    • A61M25/0637Butterfly or winged devices, e.g. for facilitating handling or for attachment to the skin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06Body-piercing guide needles or the like
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06Body-piercing guide needles or the like
    • A61M25/0612Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
    • A61M25/0631Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for fully covering the needle after its withdrawal, e.g. needle being withdrawn inside the handle or a cover being advanced over the needle

Abstract

An intravenous catheter and cannula assembly as a sterile package with a flexible catheter partially telescoped within the cannula which is of the break-away needle type having wings to be manipulated in parting the cannula from the vein-inserted catheter; and a plastic handle interfitted with the wings for manipulation thereof and serving to secure a plastic bag or sheath thereto as a sterile covering for the remaining length of the catheter therein; and with a protective tube-like cover for the needle end of the cannula to maintain the sterile condition of the assembly as a whole prior to vein insertion use.

Description

[ 1 Oct. 23, 1973 1 PLASTIC NEEDLE HOLDER [75] Inventor: Frank J. Rychlik, Chicago, 111.

[73] Assignee: Illinois Tool Works Inc., Chicago,

Ill.

[22] Filed: Dec. 21, 1971 [21] Appl. No.2 210,364

[521 US. Cl. l28/2l4.4, 128/221 [51] Int. Cl A6lm 5/32 [58] Field of Search 128/2144, 221, DIG. 16,

128/346, 348, 349; 206/632 R; 24/255 SL, 262 R, 262 GC; l50/3-7, 15, 16; 229/62 R 3,017,884 1/19 62 Doherty et al l28/2l4.4

FOREIGN PATENTS OR APPLICATIONS 463,705 10/1968 Switzerland.. 128/2144 954,212 10/1947 I France 150/5 Primary Examiner-Richard A. Gaudet Assistant Examiner-J. C. McGowan Attorney-Robert W. Beart et a1.

[57] ABSTRACT An intravenous catheter and cannula assembly as a sterile package with a flexible catheter partially telescoped within the cannula which is of the break-away needle type having wings to be manipulated in parting the cannula from the vein-inserted catheter; and a plastic handle interfitted with the wings for manipulation thereof and serving to secure a plastic bag or she'ath thereto as a sterile covering for the remaining length of the catheter therein; and with a protective tube-like cover for the needle end of the cannula to maintain the sterile condition of the assembly as a whole prior to vein insertion use. i

4 Claims, 5 Drawing Figures m nnow 23 ms IN VENTOR Frank J Rych/ik His Any;

PLASTIC NEEDLE HOLDER This invention is concerned with an assembly for piercing body portions, such as'tissues, muscles, and perhaps more particularly veins, of a patient to locate a flexible catheter tube in the selected body portion for surgical procedures such as withdrawing or introducing fluids thereto.

Prior practice of retaining guide needles onflexible catheter tubes after venipuncture has been generally replaced by providing guide needles which may be completely separated from the body inserted catheter tube, thus necessitating merely taping the insertedflexible catheter tube to the patient with resultant reduction in discomfort to thepatient. In such procedures, it is now quite common to provide catheter and cannula assemblies enclosed within a cleanplastic bag or sheath for sterility prior to use. In other instances, thesheath may enclose only the catheter and a separatetube-like sheath may be provided for the needle end of the cannula. In these and other instances where a bag-like sheath orcovering is provided, and after body insertion of the needle end of the cannula, the catheterlis fed through the cannula by grasping the bag to grip the enclosedcatheterand collapsing the bag toward thecannula for feeding the catheter tube therethrough to implanted position. Then the cannula is removedzfrom body insertion and either taped to thebody of ,thepatient or, according to more recentpractice, the cannula is of the breakaway type so that it may be completely removed from the implanted catheter tube.

An object of the present invention is to provide a combined catheter and break-away cannula assembly in the form of a sterile package with the cannulahaving a multi-part break-away handle serving to attach thereto a plastic bag enclosing at least the included catheter.

Another object of the invention is .to provide a .combined catheter and cannula assembly of the abovetype wherein the needle end of the cannula isprotected by a tube in association with the handle.

A further object of the invention is to provide a combined catheter and cannula assembly with a breakaway needle in which the manipulating wings of the needle are ex teriorly enclosed by the plastic bag and then interfitted within a generally complementally shaped plastic handle to attach and seal that end of the plastic bag.

In the accompanying drawing:

FIG. 1 is a perspective view showing the assembled catheter and plastic sheath with the needle end of the catheter exposed;

FIG. 2 is a fragmentary perspective view showing the various parts prior to final assembly, that is, with the closure tube for the needle end partially applied and with the plastic sheath-enclosing the wings of the cannula prior to assembly and interfitting thereof with the mating plastic handle;

FIG. 3 is a slightly enlarged section taken on the line 3-3 of FIG. 1;

FIG. 4 is a perspective view of the plastic handle and needle covering tube when molded as a unit; and

FIG. 5 is an end view of the initially molded handle member.

In the drawing, and with reference to FIG. 2, the parts are shown in partially assembled positions to illustrate each separately for better understanding when completely assembled as a sterile package. The cannula includes a split needle endportion l0 terminating in a diagonally sliced end =l0a as apoint for venipuncture. The rear end of the split needleterminates in integral wings 12, 12a extending upwardly from adjacent edges of the splitneedlewith the upper edgesl4, 14a thereof, respectively, turned slightly outwardly for interfitting with a plastic handle as will behereinafter pointed out. Also, the outer surfaces of the wings may be provided with serrations 15 or othersurface configurations for securing a plastic sheath orbag within the interfitted wings and handle member as will be described. A flexible catheter tube 16 is initially telescoped partially within the rear end of the cannulaandtheneedle end of the cannula is enclosed. by a tube or cylinder .18 having a closed end 18a and arear hub portion 18b.

Theplastic handle member, designatedgenerally in FIG. 2 as.20, will be describedwith further reference to'FIG. 4. This handle member is of plasticmaterial and may beinitiallymolded in the form shown inFIG. 5 in a two plate mold without'side action core pins, and

then refigured through theposition'ofFlG. 4, to the as-' sembledpositions ofFlGS. l and 2. The handle mem ber includes apair of handle sections 22, 22a'which serve ascovers for the wings l2, l2a in the completed assembly. These sections 22, 220 are joined to one another bytroughportions 24, 24a, respectively, at opposite sides of a hinge section 25. The free ends 26, 26a I of the sections 22, 22a, respectively, are turned slightly outwardly and provide similarly inclined slots 28, 28a complementally inclined to the wing portions, for re .ceiving the samein the completed assembly. The section 22 isprovided with an edge recess 30 to frictionally receive an edge lug 32 on the section 22a and the section 22 is alsoprovided with an opposite edge lug 34 to be received frictionally in an edge recess 36 on the section 22a when the two sections are :folded together with the hinge section 25 creased for such positioning in the completed assembly where the interfitted edge lugs and edge recesses serve to maintain such positioning and they may be mutually inclined or undercut for snap wedging action for this purpose. As shown in FIG. 4, the closure tube 18 may be integrally molded with the handle with a shearable small section 37 therebetween which may be broken by a twisting action in the completed assembly.

In assembly, the needle end 10 of the cannula is telescoped with the handle barrel forrned by the trough portions 24, 24a and a plastic sheath or bag 38 slipped over the needle wings 12, 12a and the barrel portion 39 thereof which forms a rearward continuation of the cannula needle. The handle sections are then spread to release the interfitted lugs and recesses and permit location of the cannula wings and bag therebetween. The material of the handle sections at. the base of the slots 28, 28a is sufficiently resilient to permit prying inwardly of the lip-portions 40, 40a for reception of wing edges 14, 14a in the slots 28a, 28, respectively, and inalong the catheter tube to insure proper insertion thereof into the .vein or other body portion of a patient. If the needle protecting tube is not integrally formed with the handle member, it is applied over the needle end of the catheter with the hub 18b abutting the ends of the trough portions 24, 24a of the handle member.

Of course, the bag or sheath may be elongated further.

to also enclose the needle end of the catheter and th protective tube 18.

In use, the protective tube 18 is slidably removed from the needle end of the cannula and if integral with the handle, it is first twisted to break the connection 37, and the handle member 20 grasped by the attendant to manipulate the needle end into the vein of the patient. When so positioned, the attendant will grasp the bag so as to grip the adapter 42 and plug 44 and urge the same gently forwardly until the catheter tube 16 has been projected through the cannula needle into the vein of the patient. Then the rear end of the bag 38 is severed in order to remove the plug 44 and its appendage so that the tube from an administration unit can be attached to the adapter 42. Then the handle 20 is manipulated to withdraw the cannula needle along the tube from its position of venipuncture and the handle sections 22, 22a separated to in turn separate and open up the cannula needle which assembly is then removed from the catheter tube and discarded.

I claim:

l. A sterile catheter and cannula assembly, comprising a break-away split cannula needle with a catheter tube telescoped therein and a removable protective tube covering the needle end of the cannula and having radially projecting wings to be separated in removing the cannula from the implanted catheter tube, a flexible plastic sheath enclosing at least the wings and included catheter tube, and a handle member with handle sections interfitted with and enclosing the cannula wings with the included sheath portion sandwiched therebetween for attachment, the free edges of the handle sections being provided with slots receiving the free edges of the cannula wings for interlocking engagement therewith, whereby separation of the handle sections will spread the cannula wings and needle with rupture of the sheath for removing the cannula from the implanted catheter tube. V

2. An assembly as claimed in claim 1, wherein the free edges of the handle sections are directedoutwardly for finger gripping thereof.

3. An assembly as claimed in claim 2, wherein the handle sections are provided along the edges thereof with mutually interfitting lug and recess means.

4. An assembly as claimed in claim 1, wherein the handle sections are provided along the edges with mutually inter-fitting lug and recess means with the cannula wings disposed therebetween.

Claims (4)

1. A sterile catheter and cannula assembly, comprising a breakaway split cannula needle with a catheter tube telescoped therein and a removable protective tube covering the needle end of the cannula and having radially projecting wings to be separated in removing the cannula from the implanted catheter tube, a flexible plastic sheath enclosing at least the wings and included catheter tube, and a handle member with handle sections interfitted with and enclosing the cannula wings with the included sheath portion sandwiched therebetween for attachment, the free edges of the handle sections being provided with slots receiving the free edges of the cannula wings for interlocking engagement therewith, whereby separation of the handle sections will spread the cannula wings and needle with rupture of the sheath for removing the cannula from the implanted catheter tube.
2. An assembly as claimed in claim 1, wherein the free edges of the handle sections are directed outwardly for finger gripping thereof.
3. An assembly as claimed in claim 2, wherein the handle sections are provided along the edges thereof with mutually interfitting lug and recess means.
4. An assembly as claimed in claim 1, wherein the handle sections are provided along the edges with mutually inter-fitting lug and recess means with the cannula wings disposed therebetween.
US3766915A 1971-12-21 1971-12-21 Plastic needle holder Expired - Lifetime US3766915A (en)

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FR (1) FR2164738B3 (en)
NL (1) NL7216615A (en)

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US3861395A (en) * 1973-09-25 1975-01-21 Tokuso Taniguchi Automated catheter
US3898993A (en) * 1973-09-25 1975-08-12 Tokuso Taniguchi Lubricated catheter
US3910272A (en) * 1972-11-18 1975-10-07 Transcodan Cannula for introducing a flexible catheter
US4327735A (en) * 1980-10-22 1982-05-04 Cordis Corporation Catheter assembly
US4354491A (en) * 1979-03-18 1982-10-19 Marbry Steven L Fluid transfer device
US4377165A (en) * 1981-06-08 1983-03-22 Luther Medical Products, Inc. Cannula needle for catheter
US4439872A (en) * 1981-10-06 1984-04-03 Henley Cohn Julian L Apparatus to assist esophageal speech
US4449973A (en) * 1982-06-26 1984-05-22 Luther Medical Products, Inc. Small gauge, pre-split cannula and process for manufacture
US4615472A (en) * 1985-06-19 1986-10-07 Intravascular Surgical Instruments, Inc. Catheter placement device
US4629452A (en) * 1983-08-29 1986-12-16 Viggo Ab Arrangement in a catheter unit with attachment wings, for infusion cannulas
US4702735A (en) * 1985-12-20 1987-10-27 Drs Infusion Systems, Inc. Assembly of breakaway needle and catheter
US4711636A (en) * 1985-11-08 1987-12-08 Bierman Steven F Catheterization system
US4985018A (en) * 1988-02-15 1991-01-15 Cambridge Autotransfusion Service Catheter grip
US5192273A (en) * 1989-07-24 1993-03-09 Steven F. Bierman Catheterization system
US5192274A (en) * 1991-05-08 1993-03-09 Bierman Steven F Anchor pad for catheterization system
US5290248A (en) * 1989-07-24 1994-03-01 Steven F. Bierman Sideport connector for catherization system
US5312361A (en) * 1991-09-13 1994-05-17 Zadini Filiberto P Automatic cannulation device
US5314411A (en) * 1989-07-24 1994-05-24 Steven F. Bierman, M.D. Catheterization system with universal retention device and method of use
US5336193A (en) * 1993-06-22 1994-08-09 Dlp, Inc. Apparatus for sanitary removal of indwelling tubes
US5354281A (en) * 1994-03-25 1994-10-11 Chen Shih Shuan Safety disposable infusion set
US5354282A (en) * 1990-05-04 1994-10-11 Bierman Steven F Catheter anchoring system
US5364366A (en) * 1993-06-22 1994-11-15 Dlp, Inc. Apparatus for removing an indwelling tube
US5456671A (en) * 1989-07-24 1995-10-10 Bierman; Steven F. Catheter anchoring system
US5578013A (en) * 1989-07-24 1996-11-26 Venetec International, Inc. Catheter anchoring system
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US20080097362A1 (en) * 2006-10-24 2008-04-24 Mosler Theodore J Catheter gripping device
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US20080221510A1 (en) * 2005-01-24 2008-09-11 Iris Epkjen Hobo Van Der Graaf Applicator for Inserting an Implant
US7469458B1 (en) * 2004-08-11 2008-12-30 Proteckt Catheters, Llc Method of assembling a catheter with integrated pre-slit cannula diaphragm
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US3055361A (en) * 1960-04-22 1962-09-25 Deseret Pharmaceutical Company Intravenous catheters
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Cited By (172)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3910272A (en) * 1972-11-18 1975-10-07 Transcodan Cannula for introducing a flexible catheter
US3861395A (en) * 1973-09-25 1975-01-21 Tokuso Taniguchi Automated catheter
US3898993A (en) * 1973-09-25 1975-08-12 Tokuso Taniguchi Lubricated catheter
US4354491A (en) * 1979-03-18 1982-10-19 Marbry Steven L Fluid transfer device
US4327735A (en) * 1980-10-22 1982-05-04 Cordis Corporation Catheter assembly
US4377165A (en) * 1981-06-08 1983-03-22 Luther Medical Products, Inc. Cannula needle for catheter
US4439872A (en) * 1981-10-06 1984-04-03 Henley Cohn Julian L Apparatus to assist esophageal speech
US4449973A (en) * 1982-06-26 1984-05-22 Luther Medical Products, Inc. Small gauge, pre-split cannula and process for manufacture
US4629452A (en) * 1983-08-29 1986-12-16 Viggo Ab Arrangement in a catheter unit with attachment wings, for infusion cannulas
US4615472A (en) * 1985-06-19 1986-10-07 Intravascular Surgical Instruments, Inc. Catheter placement device
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Also Published As

Publication number Publication date Type
NL7216615A (en) 1973-06-25 application
CA988387A1 (en) grant
FR2164738B3 (en) 1976-01-09 grant
FR2164738A1 (en) 1973-08-03 application
CA988387A (en) 1976-05-04 grant

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