CA1058470A - U-shaped intravenous needle structure - Google Patents
U-shaped intravenous needle structureInfo
- Publication number
- CA1058470A CA1058470A CA220,664A CA220664A CA1058470A CA 1058470 A CA1058470 A CA 1058470A CA 220664 A CA220664 A CA 220664A CA 1058470 A CA1058470 A CA 1058470A
- Authority
- CA
- Canada
- Prior art keywords
- needle
- intravenous
- curved
- tube
- rigid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
Abstract
U-SHAPED INTRAVENOUS NEEDLE
ABSTRACT
This invention provides a U-shaped intravenous needle structure including a rigid hollow needle, a curved rigid tube portion connected thereto and connecting means for connection to a source of intravenous fluid. The U-shaped member permits the use of a direct, flexible tubing between the structure and the intravenous source, or bottle, thus reducing the danger of inadvertent lateral movement of the needle relative to the body.
ABSTRACT
This invention provides a U-shaped intravenous needle structure including a rigid hollow needle, a curved rigid tube portion connected thereto and connecting means for connection to a source of intravenous fluid. The U-shaped member permits the use of a direct, flexible tubing between the structure and the intravenous source, or bottle, thus reducing the danger of inadvertent lateral movement of the needle relative to the body.
Description
. ~ ~ 7 '. '~ .' . , SPECIFICAT~N
Yenous infusion is a conventional medical procedure .- wherein blood, medications or other desirable fluids, includingnutriments, oan be fed directly into the blood system of the S patient being treated. It i8 extremely important that the infusion needle be held firmly and safely at a venipuncture ¦ si~e in the patient's body, e.g. u~ually through the patient's arm, or other extremity.
Conventional intravenous infusion procedures generally comprise performing a venipuncture in a patient's, e.g., arm, utilizing a hollow needle to which an infusion ` - tubing is attached. Commonly, the tubing attached to the needle¦ must be flexed 180 ~degrees to the direction of the I.V. bottle I which is usually near the shoulder or head of the patient.
¦ Once the puncture has been made and the needle ¦ inserted within the vein, it is extremely important to prevent ¦ inadvertent lateral movement of the needle relative to the body ¦ portion, e.g. arm, when the patient moves or even merely flexes I the muscles in the immediate vicinity of the needle. Lateral ¦ movement of the needle relative to the body can cause the ¦ flesh to tear around the puncture site, causing irritation of 1 the puncture site and increasing the susceptibility to phlebitis.
¦ Further, lateral movement of the needle can result in the ¦ withdrawal of the sharpened end of the needle from the vein, inadvertently, which can cause a potentially dangerous, hematoma, or leakage of blood from the venipuncture site.
One common method of avoiding the dangers of lateral ` ~ ` 1 0 58 470 ¦ movement has been to form a reverse loop in the flexible infusion tube at a point immediately adjacent the venipuncture site and to tape the loop to the ~kin of the patient, as with an adhesive tape. It has further been found,moreover, that S 1 merely forming the loop is not sufficient and it is generally necessary to further immobilize the body portion, especially an arm, by strapping the arm onto 8 rigid board or other straight member. Further, when taping the infusion tube to the arm, the ~ ¦ infusion tube quite often has a tendency to work free with ¦ movement of the arm.
The art has been concerned about these matters and various attempts have been made to ~olve the problem. For ¦ example~ Santomieri,in U.S. jpaten~ No. 3,630,195, describes ... I . ..................................... ..
l an apparatus for adhesively holding a looped infusion tube ¦ ad~acent a venipuncture site. The apparatus comprises a generally flat body member formed of a resilient plastic I material and having recesses formed in opposing side edges which ¦ are so contoured as to snugly receive portions of the periphery 1 of the looped infusion tuhe at two ends of the loop. Although ¦ such a device does in part avoid the problem, the medical I worker is still left with a flexible tube which can readily ¦ move in relation to the holding apparatus or, alternatively, if the apparatus were to hold the loop excessively tightly, ¦ the infusion tube would be pinched, thus resulting in a decrease ¦ of internal cross-section or perhaps complete closing off of the tube to the infusing liquid.
Yenous infusion is a conventional medical procedure .- wherein blood, medications or other desirable fluids, includingnutriments, oan be fed directly into the blood system of the S patient being treated. It i8 extremely important that the infusion needle be held firmly and safely at a venipuncture ¦ si~e in the patient's body, e.g. u~ually through the patient's arm, or other extremity.
Conventional intravenous infusion procedures generally comprise performing a venipuncture in a patient's, e.g., arm, utilizing a hollow needle to which an infusion ` - tubing is attached. Commonly, the tubing attached to the needle¦ must be flexed 180 ~degrees to the direction of the I.V. bottle I which is usually near the shoulder or head of the patient.
¦ Once the puncture has been made and the needle ¦ inserted within the vein, it is extremely important to prevent ¦ inadvertent lateral movement of the needle relative to the body ¦ portion, e.g. arm, when the patient moves or even merely flexes I the muscles in the immediate vicinity of the needle. Lateral ¦ movement of the needle relative to the body can cause the ¦ flesh to tear around the puncture site, causing irritation of 1 the puncture site and increasing the susceptibility to phlebitis.
¦ Further, lateral movement of the needle can result in the ¦ withdrawal of the sharpened end of the needle from the vein, inadvertently, which can cause a potentially dangerous, hematoma, or leakage of blood from the venipuncture site.
One common method of avoiding the dangers of lateral ` ~ ` 1 0 58 470 ¦ movement has been to form a reverse loop in the flexible infusion tube at a point immediately adjacent the venipuncture site and to tape the loop to the ~kin of the patient, as with an adhesive tape. It has further been found,moreover, that S 1 merely forming the loop is not sufficient and it is generally necessary to further immobilize the body portion, especially an arm, by strapping the arm onto 8 rigid board or other straight member. Further, when taping the infusion tube to the arm, the ~ ¦ infusion tube quite often has a tendency to work free with ¦ movement of the arm.
The art has been concerned about these matters and various attempts have been made to ~olve the problem. For ¦ example~ Santomieri,in U.S. jpaten~ No. 3,630,195, describes ... I . ..................................... ..
l an apparatus for adhesively holding a looped infusion tube ¦ ad~acent a venipuncture site. The apparatus comprises a generally flat body member formed of a resilient plastic I material and having recesses formed in opposing side edges which ¦ are so contoured as to snugly receive portions of the periphery 1 of the looped infusion tuhe at two ends of the loop. Although ¦ such a device does in part avoid the problem, the medical I worker is still left with a flexible tube which can readily ¦ move in relation to the holding apparatus or, alternatively, if the apparatus were to hold the loop excessively tightly, ¦ the infusion tube would be pinched, thus resulting in a decrease ¦ of internal cross-section or perhaps complete closing off of the tube to the infusing liquid.
-2-~58470 The danger of the sharp needle inserted in the vein of the patient is of course avoided when using a flexible catheter in place of the needle as the permanent infusion apparatus. Such devices are shown, for example, in U.S. patents No. 3,753,432; 3,225,762. The use of such catheters, however, in lieu of the rigid needle, al-though safer, does result in a loss of the versatility available when a needle is retained as part of the intravenous infusion system.
Accordingly, a system whereby the needle can be utilized, but is rendered substantially safe, is extremely valuable to the medical practitioners.
In accordance with the present invention, a curved, rigid, intravenous needle structure is provided, which can be readily con-nected to conventional infusion apparatus but which results in a needle which is not prone to lateral movements relative to the body member of a patient and which does not require the use of a rigid board member to restrain the patient's body member, e.g. arm, from movement, during the period of the intravenous infusion. The rigid intravenous needle structure of this invention includes an integral U-shaped needle which can be directly connected to an infusion tube, which is in turn connected to a source, e.g. a bottle, of infusible liquid. Alternatively, the rigid intravenous needle structure of the present invention comprises a nonintegral construction compris-ing a substantially straight needle element connected to a curved rigid tube . .
- , . .
,", . ' ' ' - . -~0 58 47 0 ¦ member comprising a connector means de6igned and adapted : ¦ to be contacted to the infusion type apparatus. -~, ¦ The further advantage~ of the present invention should become apparent from reference to the herewith enclosed drawings and the following detailed description of specific embodiments thereof. The below-described embodlments are intended to be merely exemplary of the scope of the claimed invention and are not inclusive thereof. Obvious and equivalent modifications of the following embodiments are intended to be encompassed and disclosed by the present description.
; Fig. 1 is a view in perspective showing the intra-venous needle of Fig. 2 and the manner in which the needles of this invention can be utilized on the body of the patient;
¦ Fi~. 2 is an elevational view in perspective showing 1 a needle constructed in accordance with this invention and the ¦ manner in which it is attached to the tubing;
Fig. 3 is a view similar to Fig. 2,but showing an ¦ alternate embodiment wherein the needle is straight,but is ¦ connected to a curved adapter or connecting element;
¦ Fig. 4 is a longitudinal view in perspective showing I yet another alternate embodiment of the invention comprising a ¦ straight intravenous needle in combination with a housing.
¦ Fig. 5 is a longitudinal view in perspective showing ¦ another alternase embodiment of the invention wherein a straight ¦ needle is utilized in combination with a housing having an ~0 58 47 0 intersectin~ passageway therein.' ¦ Fig. S is a longitudinal view in perspective of an .' embodlment alternate to the embodiment of Fig. 4 wherein an ¦ alternate type of connection is provided for the needle at one end of the curved passageway in the housing member.
¦ Fig. ? is a view in perspective of yet another embodi-'' ment wherein a straight needle is used in combination with a housing member having intravenous tubing embedded or sand~iched therein.
¦ ' Fig. 8 is a cross-sectional view through a vein following the insertion of the pointed rigid portion of the needle construction of the present invention through the flesh of the patient and into a vein.
" ' I 'Reference is initially made to Fig. 1 which shows an - 15 1 overall stylized view of 8 standard intravenous infusion I apparatus attached to the arm of the patient. As shown, the ¦ intravenous solution reservoir, the bottle 10 is located above ¦ 'the level of the arm and generally behind the arm, i.e. generally over the shoulder of the patient, not shown. An infusion tube 12 ' 20 l extends from the bottle 10 and is in fluid flow connection l ~herewith. The tube 12 is then conventionally connected to the ¦ intravenous needle which is inserted into the body of the ¦ patient. In the embodiment of the invention shown in Fig. 1, infusion tube 12 is connected to the curved needle in accordance ¦ with the present invention, indicated generally by the numeral 14 : ~ 1058470 and shown in greater detail in Fig. 2. The tube 12 i5 connected to theintegral needle 14 by a standard universal intravenous tubing coupling comprising the converging tubing member 15 and the hub 16 in rigid connection with the curve~ rigid needle portion l8. As clearly shown from Fig. 1, the construction of the curved~rigid needle portion 18 permits the use of a straight, flexible tubing line 12, withou~ need of reverse loops, and avoids the problem of movement of the needle relative'to the anm of the patient. The center linesof the needle 18 and of 10 hub 16 are optimally in the same plane and the angle formed ¦ therebetween should be from about 150 to about 180.
: As is sbown in the drawing of Fig. 1, the curved' ¦ needle structure 14 is held onto the arm of the patient merely ¦ by a flexible adhesive strip 20 and there is no need for ¦ immobilizing the arm of the patient in any other manner.
¦ The intravenous needle structure of Fig. 3 comprise a two~part rigid construction. The rigid needle member 22 has a hub 24 in rigid connection therewith and i8 generally formed I integrally therewith. Attached to this rigid needle member 20 1 i8 a rigi~ curved tube member 26 in fluid-tight connection with ¦ the hub 24 of needle 22 at one end and comprising a hub 28 at its other end, designed and adapted to fit a standard universal ¦ I.V. coupling as shown in Fig. 2. The rigid tube 26 can be ¦ formed of a rigid~transparent or opaque plastic or other rigid material such as metal'or hard rubber. Again, the central line of curved tube 26 and of the rigid needle member 22 form ~6-~058470 a single plane and the angle between the central lines are preferably from about 150 to 180 . It should of course be noted that when an angle of 180 is referred to, it means that the two central lines are parallel.
A three-piece embodiment of the curved intravenous needle structure in accordance with the present invention, is shown in Fig.
4. In this embodiment, a rigid needle member 30, having a generally straight construction, is attached via hub 32, formed integral there-with, to the interior of a curved, tube member 34, formed integral with a flat housing 36. The second end of the curved tube 34 is connected to a standard universal I.V. hub portion 38 which can be connected to a conventional intravenous infusion tubing as shown in Fig. 2, for example. The housing 36 and integrally formed tubing 34 have the advantage of being readily moldable and providing flat surface for direct attachment to the hand or arm of the patient. The one side of the housing member 36 can have an adhesive material applied thereto which can be directly adhered to the body of the patient. The device of Fig. 4 can, for example, be constructed of two substantially rigid flat sheets 36a,b of plastic or other rigid material, each having formed into its sur-face a generally U-shaped depression in accordance with Fig. 4.
The straight needle member 30 and hub 3~ can then be pLaced within the two ends of a U-shaped depression in one piece 36a, the second sheet applied thereover and the sandwich sealed , ~ " . ' ~ ' , -- ~
.- - ~
~0 58 47 0 together as by conventional hcat fiealing methods, when, in the preferred embodiment, the sheets 36a,b are ~ormcd of a thermo-plastic material. When formed of a thermosetting material, a conventional adhesive material, such as a thermoplastic resin, can be utilized to seal the ends of the tube 34 onto needle 30 and the hub 38.
The individual sheets of the housing 36a,b, and the ssndwich housing 36, can be flexible so as to bend around the horizontal and vertical axes A and B in and out of the plane of the sheet, bu~ the relationship between needle 30 and hub 38 i.e. the angle formed between the ~wo members,wiil not be affecte ; Such a housing, which is flexible in two planes, i8 useful, for example, for affixing the needle in a scalp vein.
Fig. 5 is another alternative embodiment, including a housing as shown in Fig. 4, but including a second intersecting ¦ passage way 40 molded into the housing members 42 substantially in line with the straight rigid needle member 44. The housing is again formed of two molded sheets 42a and 42b adhered together to form the tubes 40 and 46,to which are attached the needle 44 and the hub portion 48 in the same manner as described above for Fig. 4.
In the example of Fig. 6,the housing is formed in substantially the same manner as in Fig. 4, however the needle compr~ses a conventional intravenous needle including a standard I.V. hub 50 and the straight needle portion 52. A coupling .~ .
.- ~ 10 58 47 0 element comprising a converging tube 54 is adhered and placed I into the partially flexible housing 56 (again, formed of two ¦ adhered sheets 56a and 56b), the second end of the U-shaped tube 57 is connected to a standard I.V. hub 58 in the same manner shown in Figs. 4 and 5 above.
Yet another embodiment of the partlally flexible ¦ housing is shown in Fig. 7 where theI.V. tubing is embedded betweenthe housing sheets60 and connected to a coupling member 62 I to fit into the standardI.V. needle 64 including a straight needle portion 65 and a conven~ional hub 66.
In all of the above embodiments, the tubing and plastic housing can be formed of conventional rigid and flexible plastic materials including polyethylene~ polypropylene and polyvinylchloride, as well as acrylic materials,where a rigid member is required. The needle referred to in each case can ¦ be a conventional intravenous needle,generally formed of stainles ¦ steel. The stoppershown in the intersecting channel 40, in the I housing of Fig. 5,can be removable or can be formed of rubber, or other self-sealing material,which can be punctured by, for ¦ example, a hypodermic needle, in order to inject or obtain I samples of material from the vein into which the intravenous ¦ needle 44 is inserted.
The above described and detailed embodiments of the l invention, are presented for purposes of exemplifying the ¦ invention. It will be appreciated, however, that many changes I _9_ .
1 and modifications can be made to the embodiment shown above ¦ without departing from the essential spirit or characteristics . ¦ of the invention. The scope of the invention i6 to be indicated by the appended claims rather than by the foregoing description, ~nd all the changes which come withln the meaning and range of ; eq~ len<: of the clA~s are th-reLore to be e ~r-c,d therein.
1 ~
- ' . ' ...............................
.' . ~ .
.' I .
I
' I
I -10- .
Accordingly, a system whereby the needle can be utilized, but is rendered substantially safe, is extremely valuable to the medical practitioners.
In accordance with the present invention, a curved, rigid, intravenous needle structure is provided, which can be readily con-nected to conventional infusion apparatus but which results in a needle which is not prone to lateral movements relative to the body member of a patient and which does not require the use of a rigid board member to restrain the patient's body member, e.g. arm, from movement, during the period of the intravenous infusion. The rigid intravenous needle structure of this invention includes an integral U-shaped needle which can be directly connected to an infusion tube, which is in turn connected to a source, e.g. a bottle, of infusible liquid. Alternatively, the rigid intravenous needle structure of the present invention comprises a nonintegral construction compris-ing a substantially straight needle element connected to a curved rigid tube . .
- , . .
,", . ' ' ' - . -~0 58 47 0 ¦ member comprising a connector means de6igned and adapted : ¦ to be contacted to the infusion type apparatus. -~, ¦ The further advantage~ of the present invention should become apparent from reference to the herewith enclosed drawings and the following detailed description of specific embodiments thereof. The below-described embodlments are intended to be merely exemplary of the scope of the claimed invention and are not inclusive thereof. Obvious and equivalent modifications of the following embodiments are intended to be encompassed and disclosed by the present description.
; Fig. 1 is a view in perspective showing the intra-venous needle of Fig. 2 and the manner in which the needles of this invention can be utilized on the body of the patient;
¦ Fi~. 2 is an elevational view in perspective showing 1 a needle constructed in accordance with this invention and the ¦ manner in which it is attached to the tubing;
Fig. 3 is a view similar to Fig. 2,but showing an ¦ alternate embodiment wherein the needle is straight,but is ¦ connected to a curved adapter or connecting element;
¦ Fig. 4 is a longitudinal view in perspective showing I yet another alternate embodiment of the invention comprising a ¦ straight intravenous needle in combination with a housing.
¦ Fig. 5 is a longitudinal view in perspective showing ¦ another alternase embodiment of the invention wherein a straight ¦ needle is utilized in combination with a housing having an ~0 58 47 0 intersectin~ passageway therein.' ¦ Fig. S is a longitudinal view in perspective of an .' embodlment alternate to the embodiment of Fig. 4 wherein an ¦ alternate type of connection is provided for the needle at one end of the curved passageway in the housing member.
¦ Fig. ? is a view in perspective of yet another embodi-'' ment wherein a straight needle is used in combination with a housing member having intravenous tubing embedded or sand~iched therein.
¦ ' Fig. 8 is a cross-sectional view through a vein following the insertion of the pointed rigid portion of the needle construction of the present invention through the flesh of the patient and into a vein.
" ' I 'Reference is initially made to Fig. 1 which shows an - 15 1 overall stylized view of 8 standard intravenous infusion I apparatus attached to the arm of the patient. As shown, the ¦ intravenous solution reservoir, the bottle 10 is located above ¦ 'the level of the arm and generally behind the arm, i.e. generally over the shoulder of the patient, not shown. An infusion tube 12 ' 20 l extends from the bottle 10 and is in fluid flow connection l ~herewith. The tube 12 is then conventionally connected to the ¦ intravenous needle which is inserted into the body of the ¦ patient. In the embodiment of the invention shown in Fig. 1, infusion tube 12 is connected to the curved needle in accordance ¦ with the present invention, indicated generally by the numeral 14 : ~ 1058470 and shown in greater detail in Fig. 2. The tube 12 i5 connected to theintegral needle 14 by a standard universal intravenous tubing coupling comprising the converging tubing member 15 and the hub 16 in rigid connection with the curve~ rigid needle portion l8. As clearly shown from Fig. 1, the construction of the curved~rigid needle portion 18 permits the use of a straight, flexible tubing line 12, withou~ need of reverse loops, and avoids the problem of movement of the needle relative'to the anm of the patient. The center linesof the needle 18 and of 10 hub 16 are optimally in the same plane and the angle formed ¦ therebetween should be from about 150 to about 180.
: As is sbown in the drawing of Fig. 1, the curved' ¦ needle structure 14 is held onto the arm of the patient merely ¦ by a flexible adhesive strip 20 and there is no need for ¦ immobilizing the arm of the patient in any other manner.
¦ The intravenous needle structure of Fig. 3 comprise a two~part rigid construction. The rigid needle member 22 has a hub 24 in rigid connection therewith and i8 generally formed I integrally therewith. Attached to this rigid needle member 20 1 i8 a rigi~ curved tube member 26 in fluid-tight connection with ¦ the hub 24 of needle 22 at one end and comprising a hub 28 at its other end, designed and adapted to fit a standard universal ¦ I.V. coupling as shown in Fig. 2. The rigid tube 26 can be ¦ formed of a rigid~transparent or opaque plastic or other rigid material such as metal'or hard rubber. Again, the central line of curved tube 26 and of the rigid needle member 22 form ~6-~058470 a single plane and the angle between the central lines are preferably from about 150 to 180 . It should of course be noted that when an angle of 180 is referred to, it means that the two central lines are parallel.
A three-piece embodiment of the curved intravenous needle structure in accordance with the present invention, is shown in Fig.
4. In this embodiment, a rigid needle member 30, having a generally straight construction, is attached via hub 32, formed integral there-with, to the interior of a curved, tube member 34, formed integral with a flat housing 36. The second end of the curved tube 34 is connected to a standard universal I.V. hub portion 38 which can be connected to a conventional intravenous infusion tubing as shown in Fig. 2, for example. The housing 36 and integrally formed tubing 34 have the advantage of being readily moldable and providing flat surface for direct attachment to the hand or arm of the patient. The one side of the housing member 36 can have an adhesive material applied thereto which can be directly adhered to the body of the patient. The device of Fig. 4 can, for example, be constructed of two substantially rigid flat sheets 36a,b of plastic or other rigid material, each having formed into its sur-face a generally U-shaped depression in accordance with Fig. 4.
The straight needle member 30 and hub 3~ can then be pLaced within the two ends of a U-shaped depression in one piece 36a, the second sheet applied thereover and the sandwich sealed , ~ " . ' ~ ' , -- ~
.- - ~
~0 58 47 0 together as by conventional hcat fiealing methods, when, in the preferred embodiment, the sheets 36a,b are ~ormcd of a thermo-plastic material. When formed of a thermosetting material, a conventional adhesive material, such as a thermoplastic resin, can be utilized to seal the ends of the tube 34 onto needle 30 and the hub 38.
The individual sheets of the housing 36a,b, and the ssndwich housing 36, can be flexible so as to bend around the horizontal and vertical axes A and B in and out of the plane of the sheet, bu~ the relationship between needle 30 and hub 38 i.e. the angle formed between the ~wo members,wiil not be affecte ; Such a housing, which is flexible in two planes, i8 useful, for example, for affixing the needle in a scalp vein.
Fig. 5 is another alternative embodiment, including a housing as shown in Fig. 4, but including a second intersecting ¦ passage way 40 molded into the housing members 42 substantially in line with the straight rigid needle member 44. The housing is again formed of two molded sheets 42a and 42b adhered together to form the tubes 40 and 46,to which are attached the needle 44 and the hub portion 48 in the same manner as described above for Fig. 4.
In the example of Fig. 6,the housing is formed in substantially the same manner as in Fig. 4, however the needle compr~ses a conventional intravenous needle including a standard I.V. hub 50 and the straight needle portion 52. A coupling .~ .
.- ~ 10 58 47 0 element comprising a converging tube 54 is adhered and placed I into the partially flexible housing 56 (again, formed of two ¦ adhered sheets 56a and 56b), the second end of the U-shaped tube 57 is connected to a standard I.V. hub 58 in the same manner shown in Figs. 4 and 5 above.
Yet another embodiment of the partlally flexible ¦ housing is shown in Fig. 7 where theI.V. tubing is embedded betweenthe housing sheets60 and connected to a coupling member 62 I to fit into the standardI.V. needle 64 including a straight needle portion 65 and a conven~ional hub 66.
In all of the above embodiments, the tubing and plastic housing can be formed of conventional rigid and flexible plastic materials including polyethylene~ polypropylene and polyvinylchloride, as well as acrylic materials,where a rigid member is required. The needle referred to in each case can ¦ be a conventional intravenous needle,generally formed of stainles ¦ steel. The stoppershown in the intersecting channel 40, in the I housing of Fig. 5,can be removable or can be formed of rubber, or other self-sealing material,which can be punctured by, for ¦ example, a hypodermic needle, in order to inject or obtain I samples of material from the vein into which the intravenous ¦ needle 44 is inserted.
The above described and detailed embodiments of the l invention, are presented for purposes of exemplifying the ¦ invention. It will be appreciated, however, that many changes I _9_ .
1 and modifications can be made to the embodiment shown above ¦ without departing from the essential spirit or characteristics . ¦ of the invention. The scope of the invention i6 to be indicated by the appended claims rather than by the foregoing description, ~nd all the changes which come withln the meaning and range of ; eq~ len<: of the clA~s are th-reLore to be e ~r-c,d therein.
1 ~
- ' . ' ...............................
.' . ~ .
.' I .
I
' I
I -10- .
Claims (8)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A U-shaped intravenous needle structure comprising:
a rigid, hollow, needle designed and adapted for per-forming a venipuncture in a patient's extremity;
a hollow, curved, rigid tube member having an opening at each end of the curve, one end of the curve being in fluid connection with and firmly secured to the needle; and connecting means designed and adapted to be connected to a source of intravenous fluid, the connecting means being in fluid flow connection with and firmly secured to the second end of the curve;
the center lines of the needle and the connecting means being in substantially the same plane and at an angle to each other of from about 150° to about 180°.
a rigid, hollow, needle designed and adapted for per-forming a venipuncture in a patient's extremity;
a hollow, curved, rigid tube member having an opening at each end of the curve, one end of the curve being in fluid connection with and firmly secured to the needle; and connecting means designed and adapted to be connected to a source of intravenous fluid, the connecting means being in fluid flow connection with and firmly secured to the second end of the curve;
the center lines of the needle and the connecting means being in substantially the same plane and at an angle to each other of from about 150° to about 180°.
2. The structure of Claim 1, comprising a unitary, integral, U-shaped structure.
3. The structure of Claim 1, comprising a nonintegral structure wherein the curved tube is formed as part of a flat housing including the tube therethrough.
4. The structure of Claim 3, wherein the housing com-prises a pair of flat sheets, each sheet having formed therein a curved depression, the two sheets being substantially identical and adhered together so as to define a sealed curved tube having openings at the two ends of the curve.
5. The structure of Claim 4, wherein the individual sheets are formed of relatively flexible, polymeric plastic material.
6. The structure of Claim 1, comprising a nonintegral structure wherein the curved tube is a separate rigid member in fluid tight connection with the needle and the connecting means.
7. The structure of Claim 1, comprising a nonintegral structure wherein the curved tube is formed integral with a standard connector means for intravenous tubing at one end of the curved portion, the second end of the curve is in fluid tight connection with the needle.
8. The structure of Claim 3, wherein the housing is formed of a synthetic, thermoplastic polymeric plastic.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US455546A US3870043A (en) | 1974-03-28 | 1974-03-28 | U-shaped intravenous needle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1058470A true CA1058470A (en) | 1979-07-17 |
Family
ID=23809260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA220,664A Expired CA1058470A (en) | 1974-03-28 | 1975-02-24 | U-shaped intravenous needle structure |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3870043A (en) |
| JP (1) | JPS5435436B2 (en) |
| CA (1) | CA1058470A (en) |
| DE (1) | DE2512600C2 (en) |
| FR (1) | FR2265414B1 (en) |
| GB (1) | GB1495856A (en) |
| SE (1) | SE407745B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3942528A (en) * | 1974-07-18 | 1976-03-09 | Loeser Edward A | Non-kinking intravenous tube loop device |
| US4027668A (en) * | 1975-12-10 | 1977-06-07 | Dunn Allan R | Multi-angle U-shaped hub for infusion member |
| US4559039A (en) * | 1983-12-05 | 1985-12-17 | Purdue Research Foundation | Permanently placed transcutaneous access device to blood vessels |
| US4645495A (en) * | 1985-06-26 | 1987-02-24 | Vaillancourt Vincent L | Vascular access implant needle patch |
| US4671794A (en) * | 1985-10-18 | 1987-06-09 | Collagen Corporation | Laryngeal injector |
| JP4885417B2 (en) | 2001-01-31 | 2012-02-29 | ヘメラス・メディカル、リミテッド・ライアビリティ・カンパニー | Multipurpose pipe device |
| US7147617B2 (en) * | 2001-11-27 | 2006-12-12 | Scimed Life Systems, Inc. | Arterio-venous shunt graft |
| EP1474188A4 (en) * | 2002-01-25 | 2008-01-16 | Biocure Inc | Coaxial delivery device |
| KR101692148B1 (en) * | 2015-05-01 | 2017-01-03 | 성신여자대학교 산학협력단 | Joint apparatus and injection set having the same |
| USD743541S1 (en) | 2015-09-21 | 2015-11-17 | Henry P. Serafini | Arcuate guide for intravenous tubes |
| USD789526S1 (en) | 2015-09-21 | 2017-06-13 | Henry P. Serafini | Arcuate guide for intravenous tubes |
| CN107670145B (en) * | 2016-08-01 | 2021-09-14 | 北京唐颐惠康生物医学技术有限公司 | Infusion pump and infusion method special for stem cells |
| WO2018097085A1 (en) | 2016-11-22 | 2018-05-31 | 綜研化学株式会社 | Dopant for conductive polymer, conductive polymer using dopant, and method for producing conductive polymer |
| WO2019238848A1 (en) * | 2018-06-14 | 2019-12-19 | Sanofi | Medication delivery device and medication delivery assembly |
| TWI669140B (en) * | 2018-09-26 | 2019-08-21 | 林忠信 | Safety needle |
| KR102337310B1 (en) * | 2020-01-22 | 2021-12-08 | 최근욱 | adapter for catheter |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1217630A (en) * | 1916-11-22 | 1917-02-27 | George G Powers | Hypodermic needle. |
| FR723464A (en) * | 1931-09-29 | 1932-04-09 | Exercise machine for intravenous transfusions | |
| US3225762A (en) * | 1963-10-25 | 1965-12-28 | Yolan R Guttman | Intravenous stylet catheter |
| US3324853A (en) * | 1964-03-02 | 1967-06-13 | Sorenson Res Corp | Intravenous catheter protector unit |
| US3608539A (en) * | 1968-11-06 | 1971-09-28 | Daniel G Miller | Method for the biopsy of subcutaneous masses |
| US3630195A (en) * | 1970-02-04 | 1971-12-28 | Deseret Pharma | Infusion tube holder and method |
| US3753432A (en) * | 1971-03-10 | 1973-08-21 | L Guerra | Hypodermic syringe for blood tests |
| US3734095A (en) * | 1971-05-21 | 1973-05-22 | L Santomieri | Fluid infusion |
| US3826257A (en) * | 1972-07-14 | 1974-07-30 | T Buselmeier | Prosthetic shunt |
-
1974
- 1974-03-28 US US455546A patent/US3870043A/en not_active Expired - Lifetime
-
1975
- 1975-02-24 CA CA220,664A patent/CA1058470A/en not_active Expired
- 1975-02-27 GB GB8288/75A patent/GB1495856A/en not_active Expired
- 1975-03-07 FR FR7507143A patent/FR2265414B1/fr not_active Expired
- 1975-03-11 SE SE7502700A patent/SE407745B/en unknown
- 1975-03-21 DE DE2512600A patent/DE2512600C2/en not_active Expired
- 1975-03-26 JP JP3567675A patent/JPS5435436B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2512600C2 (en) | 1983-07-28 |
| SE407745B (en) | 1979-04-23 |
| FR2265414B1 (en) | 1982-05-07 |
| JPS5435436B2 (en) | 1979-11-02 |
| JPS50130292A (en) | 1975-10-15 |
| FR2265414A1 (en) | 1975-10-24 |
| DE2512600A1 (en) | 1975-10-09 |
| US3870043A (en) | 1975-03-11 |
| GB1495856A (en) | 1977-12-21 |
| SE7502700L (en) | 1975-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1058470A (en) | U-shaped intravenous needle structure | |
| US3323523A (en) | Intravenous catheter assembly with divisible needle sheath portions | |
| US3630195A (en) | Infusion tube holder and method | |
| US4645495A (en) | Vascular access implant needle patch | |
| US3658061A (en) | Needle guard | |
| CA1121682A (en) | Catheter assembly for intermittent intravenous medicament delivery | |
| US2915063A (en) | In-dwelling cannula | |
| US4184489A (en) | Infusion tube access site | |
| US20070106229A1 (en) | Safety Intravenous Injection Device | |
| GB2065479A (en) | Devices for introducing a catheter or a probe into a blood vessel | |
| US2716982A (en) | Venoclysis equipment | |
| EP1125596A2 (en) | Intravascular catheter | |
| US20070250011A1 (en) | Winged venous catheter | |
| US3672367A (en) | Retaining clip for catheter sheath | |
| JPH10272182A (en) | Indwelling needle assembly | |
| CN211461547U (en) | Integrated safety infusion apparatus | |
| KR102118833B1 (en) | Intravenous catheter | |
| US20020161338A1 (en) | Catheters and catheter safety guards | |
| WO1996002294A1 (en) | Device for catheterism | |
| CN220608841U (en) | Deep vein puncture puts tub fixing device | |
| CN216496843U (en) | Novel retaining needle fixing sleeve | |
| CN215351242U (en) | Infusion needle capable of preventing needle stick injury | |
| CN212090417U (en) | Small-sized indwelling needle | |
| CN219630320U (en) | Safety infusion needle for port of infusion port | |
| CN209916924U (en) | Disposable precision liquid medicine filter with needle |