CA2038884A1 - Needle destroyer - Google Patents
Needle destroyerInfo
- Publication number
- CA2038884A1 CA2038884A1 CA 2038884 CA2038884A CA2038884A1 CA 2038884 A1 CA2038884 A1 CA 2038884A1 CA 2038884 CA2038884 CA 2038884 CA 2038884 A CA2038884 A CA 2038884A CA 2038884 A1 CA2038884 A1 CA 2038884A1
- Authority
- CA
- Canada
- Prior art keywords
- electrode
- needle
- housing
- opening
- guide
- 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.)
- Abandoned
Links
Abstract
ABSTRACT OF THE INVENTION
A device for disposing a needle comprising; a housing;
a first electrode disposed interiorally of said housing; a second electrode spaced from said first electrode said second electrode having an opening including a bevelled edge disposed along a portion of said opening for receiving and guiding said needle to said first electrode so as to melt and dispose of said needle;
and electrical circuitry for energizing the electrodes.
A device for disposing a needle comprising; a housing;
a first electrode disposed interiorally of said housing; a second electrode spaced from said first electrode said second electrode having an opening including a bevelled edge disposed along a portion of said opening for receiving and guiding said needle to said first electrode so as to melt and dispose of said needle;
and electrical circuitry for energizing the electrodes.
Description
2~3~
FIE D OF THB INVENTION
This invention relates to a device for destroying needles and in particular relates to a device for melting the cannula of a syringe needle.
BACKGRO~ND OF THE INVENTION
Hospital needles and in particular syringe needles are generally utilized once and then discarded in order to minimize the spreading of infectious diseases.
Used or spent syringe needles also pose a safety and health hazard for those who may accidentally prick themselves particularly in light of the development of new diseases such as AIDS or the like.
Accordingly, various attempts have heretofore been made in order to destroy used needles.
For example United States Patent No. 4,628,169 relates to an electrical syringe needle destroyer.
Moreover, United States Patent No. 4,96S,426 illustrates apparatus which comprises a pair of electrodes supplied by an alternating current power supply and a suitable guide member which is adapted to receive a needle to come into contact with the electrodes so as to blunt and melt the needle.
.
~3~'3~
Moreover, United States Patent No. 3,469,750 teaches an automatic syringe disposable needle which is adapted to break off the tip of a needle.
Yet another arrangement is illustrated in United States Patent No. 3,775,580 which shows a clamp and guide structure.
Finally, United Kingdom Patent No. 2211420 A
illustrates and electric needle destroyer.
These and other prior arrangements present relatively complicated structure having limited utility.
It is an object of this invention to provide an improved device for disposing of needles which is easy to manipulate.
It is an aspect of this invention to provide a device for disposing a needle comprising: a housing; a first electrode disposed interiorally of said housing; a second electrode spaced from said first electrode said second electrode having an opening including a bevelled edge disposed along a portion of said opening for receiving and guiding said needle to said first electrode so as to melt and dispose of said needle; and electrode circuitry for energizing said electrodes.
'~ 0 3 ,3 ~
It is another aspect of this invention to provide a portable device for destroying syringe needle comprising a housing; a first electrode disposed interiorally of said housing;
a collar having an access aperture into said housing aligned with said first electrode; a guide received by said collar for slidable movement therebetween between a first biased position and a second energized position whereby said guide moves towards said first electrode; a compression spring for urging said guide to said first biased position; circuitry associated with said first electrode and said guide for energizing same; and said guide presenting a cylindrical member generally having an open end communicating with said access aperture and a closed end having an opening including a bevelled edge disposed along a portion of said opening for receiving said needle and guiding same towards said first electrode and melting and disposing of said needle.
It is also an aspect of this invention to provide a method of destroying syringe needle comprising the steps;
inserting said needle through an access aperture of a housing having a first stationary electrode disposed interiorally of said housing and a second displaceable electrode having an opening aligning with said aperture and said first electrode said opening including a bevelled edge disposed along a portion of said opening; pushing said through said access aperture so as to displace said second electrode towards the first electrode and melt said needle; withdrawing said syringe ~3~
Description of the Drawings These and other objects and features shall now be described in relation to the following drawings.
Figure 1 is a perspective view of said device.
Figure 2 is a cross-sectional view of said device.
Figure 3 is a partial cross-sectional view of the second electrode in the first biased position.
Figure 4 is a partial cross-sectional view of the second electrode in the second position.
Figure 5 is a cross-sectional view of the guide member.
Figure 6 is a view of the bottom wall of the guide member when viewed inside the guide member.
Figure 7 is a circuit drawing.
Descri~tion of the Invention Like parts have been given like numbers throughout the figures.
2~3~
Figure 1 illustrates the needle destroyer 2 which has a housing 4 defined by bottom wall 6, side walls 8, back wall 10 and a top wall consisting of portions 12a and 12b as well as a front wall 14. The top wall 12a and 12b are inclined so as to present a wedged configuration.
The top wall 12a includes an indicator 17 which indicates whether or not the device is energized as well as the condition of whether or not the batteries need to be recharged.
A double pole switch 16 is also utilized to turn the device to "on" or "off".
Figure 1 also illustrates a tray 18 which slides into and out of the housing 4 and is used to capture the burnt pieces of the needle in a manner to be described more fully herein.
Figure 2 illustrates the first electrode or positive electrode 22 which is disposed interiorally of the housing 4 as well as a second or groùnd electrode assembly 24 which is spaced from the first electrode 22.
The second electrode assembly 24 is best illustrated in figures 3 and 4 and comprises a female panel collar 26 which has a generally cylindrical configuration with open ends. In particular, the female panel collar 26 has an access aperture 28 with a first diameter which communicates with a second access opening 30 having a second diameter. The second diameter 30 is ~`3~
smaller than the first diameter 30 so as to present a shoulder 32 as best illustrated in figure 3.
The female panel collar 26 is visible from the exterior of the housing 4 and is secured thereto by any number of well known means such as a retaining ring or the like.
The female panel collar 26 is adapted to receive a male needle guide 38 which is adapted for displaceable or slidable movements within the second diameter 30.
In particular the male needle guide 38 presents a generally hollow cylindrical member 40 having an open end 42 communicating with the access aperture 28 of female collar 26, and a closed end 44 having an opening 46 therein with a bevelled edge 50 disposed along a portion of the opening 48. The guide 38 having an opening 46 lines up with the first electrode 22.
The guide 38 includes a key way 61 which receives a protrusion or key 63 projecting from second diameter 30 of female panel collar 26 so as to prevent guide 38 from rotating within collar 26.
Figures 5 and 6 illustrate generally the opening 46 which consists of two interesting circular holes 52 and 54 located along guide wall 56. One of the circular holes 52 having a diameter which is smaller than the diameter of the other circular hole 54. The smaller diameter hole 52 has a bevelled 2~S~
edge 50 disposed along a portion of the opening 46. In particular the bevelled edge 50 consists of a counter sink around the smaller diameter hole 52.
Severally speaking the smaller hole 52 has a diameter which is adapted to receive the diameter of the syringe 100.
The counter sink or bevelled edge 50 guides the tip of the syringe 100 into hole 52. However, the syringe needle 100 may also be inserted into the larger diameter hole 54.
A compression spring 48 is adapted to urge the guide 40 against the female panel collar 26 in the biased position as illustrated in figure 3.
The second electrode assembly 24 includes a compression spring 48, one end of which is adapted to bear against a shoulder 49 presented by the guide 38 while the other end of the compression spring is adapted to bear against shoulder 32 of female collar 26. A retaining ring 53 which is held in place by an annular recess 55 retains guide 38 within collar 26.
As the tip of the needle 100 is inserted into the access aperture 28 and through the opening 46, the base of the needle 102 bears against the closed end 44 of the guide 40 and further movement of the needle causes the guide 40 to compress against the compression spring 48 so as to move or displace the guide 40 relative the biased position shown in figure 3 to the second energizing position as shown in figure 6. It should be 2 ~ 3 ~
noted that the base 102 of the needle is larger than the opening 46.
Figure 7 shows the circuitry drawing of the device and includes a rechargeable battery 70.
The operation of the needle destroyer 2 shall now be described in relation to the drawings. The user inserts the tip of the needle 100 into the access aperture 28 and through the hole 52. The tip of the needle 100 is guided by bevelled edge 50 of guide 40 for contact with the first electrode 22 which causes the needle to melt and drop into the tray 18. As the syringe needle base 102 is further pushed against the electrode 22 or adjacent wall 44, the needle progressively becomes shorter as the needle is melted. Upon further insertion of the needle 100 into the housing 4 the guide 40 is pressed against compression spring 57 which is compressed thereby causing the guide 40 to be displaced or moved towards the first electrode 22.
The guide 40 is spaced from first electrode 22 in the second position as shown in figure 4.
Upon melting of the tip of the needle 100 it tends to "bulb" 104 as shown in figure 4. This bulbing may cause the needle to stick within hole 52. If sticking occurs the needle may be laterally moved within opening 48, that is the needle moved from the smaller diameter hole 52 to the larger diameter hole 54 so as to enable the use to pull the needle out. By utilizing the opening 48 as illustrated herein such sticking .
problems are minimized. Moreover, the "bulbing" of the destroyed needle tends to seal the end of the needle as well as blunting the needle so as to minimize the possibility of accidentally pricking a person.
The rechargeable battery used hereto is a 6 VDC for Ah dry-fit battery. A 760 milli amp 7 direct current recharger may be utilized. The first electrode 22 is comprised of aluminum and the second electrode is comprised of brass.
Although the preferred embodiment as well as the operation and use have been specifically described in relation to the drawings, it should be understood that variations in the preferred embodiment could be achieved by a man skilled in the art without departing from the spirit of the invention.
Accordingly the invention should not be understood to be limited to the exact form revealed by the drawings.
FIE D OF THB INVENTION
This invention relates to a device for destroying needles and in particular relates to a device for melting the cannula of a syringe needle.
BACKGRO~ND OF THE INVENTION
Hospital needles and in particular syringe needles are generally utilized once and then discarded in order to minimize the spreading of infectious diseases.
Used or spent syringe needles also pose a safety and health hazard for those who may accidentally prick themselves particularly in light of the development of new diseases such as AIDS or the like.
Accordingly, various attempts have heretofore been made in order to destroy used needles.
For example United States Patent No. 4,628,169 relates to an electrical syringe needle destroyer.
Moreover, United States Patent No. 4,96S,426 illustrates apparatus which comprises a pair of electrodes supplied by an alternating current power supply and a suitable guide member which is adapted to receive a needle to come into contact with the electrodes so as to blunt and melt the needle.
.
~3~'3~
Moreover, United States Patent No. 3,469,750 teaches an automatic syringe disposable needle which is adapted to break off the tip of a needle.
Yet another arrangement is illustrated in United States Patent No. 3,775,580 which shows a clamp and guide structure.
Finally, United Kingdom Patent No. 2211420 A
illustrates and electric needle destroyer.
These and other prior arrangements present relatively complicated structure having limited utility.
It is an object of this invention to provide an improved device for disposing of needles which is easy to manipulate.
It is an aspect of this invention to provide a device for disposing a needle comprising: a housing; a first electrode disposed interiorally of said housing; a second electrode spaced from said first electrode said second electrode having an opening including a bevelled edge disposed along a portion of said opening for receiving and guiding said needle to said first electrode so as to melt and dispose of said needle; and electrode circuitry for energizing said electrodes.
'~ 0 3 ,3 ~
It is another aspect of this invention to provide a portable device for destroying syringe needle comprising a housing; a first electrode disposed interiorally of said housing;
a collar having an access aperture into said housing aligned with said first electrode; a guide received by said collar for slidable movement therebetween between a first biased position and a second energized position whereby said guide moves towards said first electrode; a compression spring for urging said guide to said first biased position; circuitry associated with said first electrode and said guide for energizing same; and said guide presenting a cylindrical member generally having an open end communicating with said access aperture and a closed end having an opening including a bevelled edge disposed along a portion of said opening for receiving said needle and guiding same towards said first electrode and melting and disposing of said needle.
It is also an aspect of this invention to provide a method of destroying syringe needle comprising the steps;
inserting said needle through an access aperture of a housing having a first stationary electrode disposed interiorally of said housing and a second displaceable electrode having an opening aligning with said aperture and said first electrode said opening including a bevelled edge disposed along a portion of said opening; pushing said through said access aperture so as to displace said second electrode towards the first electrode and melt said needle; withdrawing said syringe ~3~
Description of the Drawings These and other objects and features shall now be described in relation to the following drawings.
Figure 1 is a perspective view of said device.
Figure 2 is a cross-sectional view of said device.
Figure 3 is a partial cross-sectional view of the second electrode in the first biased position.
Figure 4 is a partial cross-sectional view of the second electrode in the second position.
Figure 5 is a cross-sectional view of the guide member.
Figure 6 is a view of the bottom wall of the guide member when viewed inside the guide member.
Figure 7 is a circuit drawing.
Descri~tion of the Invention Like parts have been given like numbers throughout the figures.
2~3~
Figure 1 illustrates the needle destroyer 2 which has a housing 4 defined by bottom wall 6, side walls 8, back wall 10 and a top wall consisting of portions 12a and 12b as well as a front wall 14. The top wall 12a and 12b are inclined so as to present a wedged configuration.
The top wall 12a includes an indicator 17 which indicates whether or not the device is energized as well as the condition of whether or not the batteries need to be recharged.
A double pole switch 16 is also utilized to turn the device to "on" or "off".
Figure 1 also illustrates a tray 18 which slides into and out of the housing 4 and is used to capture the burnt pieces of the needle in a manner to be described more fully herein.
Figure 2 illustrates the first electrode or positive electrode 22 which is disposed interiorally of the housing 4 as well as a second or groùnd electrode assembly 24 which is spaced from the first electrode 22.
The second electrode assembly 24 is best illustrated in figures 3 and 4 and comprises a female panel collar 26 which has a generally cylindrical configuration with open ends. In particular, the female panel collar 26 has an access aperture 28 with a first diameter which communicates with a second access opening 30 having a second diameter. The second diameter 30 is ~`3~
smaller than the first diameter 30 so as to present a shoulder 32 as best illustrated in figure 3.
The female panel collar 26 is visible from the exterior of the housing 4 and is secured thereto by any number of well known means such as a retaining ring or the like.
The female panel collar 26 is adapted to receive a male needle guide 38 which is adapted for displaceable or slidable movements within the second diameter 30.
In particular the male needle guide 38 presents a generally hollow cylindrical member 40 having an open end 42 communicating with the access aperture 28 of female collar 26, and a closed end 44 having an opening 46 therein with a bevelled edge 50 disposed along a portion of the opening 48. The guide 38 having an opening 46 lines up with the first electrode 22.
The guide 38 includes a key way 61 which receives a protrusion or key 63 projecting from second diameter 30 of female panel collar 26 so as to prevent guide 38 from rotating within collar 26.
Figures 5 and 6 illustrate generally the opening 46 which consists of two interesting circular holes 52 and 54 located along guide wall 56. One of the circular holes 52 having a diameter which is smaller than the diameter of the other circular hole 54. The smaller diameter hole 52 has a bevelled 2~S~
edge 50 disposed along a portion of the opening 46. In particular the bevelled edge 50 consists of a counter sink around the smaller diameter hole 52.
Severally speaking the smaller hole 52 has a diameter which is adapted to receive the diameter of the syringe 100.
The counter sink or bevelled edge 50 guides the tip of the syringe 100 into hole 52. However, the syringe needle 100 may also be inserted into the larger diameter hole 54.
A compression spring 48 is adapted to urge the guide 40 against the female panel collar 26 in the biased position as illustrated in figure 3.
The second electrode assembly 24 includes a compression spring 48, one end of which is adapted to bear against a shoulder 49 presented by the guide 38 while the other end of the compression spring is adapted to bear against shoulder 32 of female collar 26. A retaining ring 53 which is held in place by an annular recess 55 retains guide 38 within collar 26.
As the tip of the needle 100 is inserted into the access aperture 28 and through the opening 46, the base of the needle 102 bears against the closed end 44 of the guide 40 and further movement of the needle causes the guide 40 to compress against the compression spring 48 so as to move or displace the guide 40 relative the biased position shown in figure 3 to the second energizing position as shown in figure 6. It should be 2 ~ 3 ~
noted that the base 102 of the needle is larger than the opening 46.
Figure 7 shows the circuitry drawing of the device and includes a rechargeable battery 70.
The operation of the needle destroyer 2 shall now be described in relation to the drawings. The user inserts the tip of the needle 100 into the access aperture 28 and through the hole 52. The tip of the needle 100 is guided by bevelled edge 50 of guide 40 for contact with the first electrode 22 which causes the needle to melt and drop into the tray 18. As the syringe needle base 102 is further pushed against the electrode 22 or adjacent wall 44, the needle progressively becomes shorter as the needle is melted. Upon further insertion of the needle 100 into the housing 4 the guide 40 is pressed against compression spring 57 which is compressed thereby causing the guide 40 to be displaced or moved towards the first electrode 22.
The guide 40 is spaced from first electrode 22 in the second position as shown in figure 4.
Upon melting of the tip of the needle 100 it tends to "bulb" 104 as shown in figure 4. This bulbing may cause the needle to stick within hole 52. If sticking occurs the needle may be laterally moved within opening 48, that is the needle moved from the smaller diameter hole 52 to the larger diameter hole 54 so as to enable the use to pull the needle out. By utilizing the opening 48 as illustrated herein such sticking .
problems are minimized. Moreover, the "bulbing" of the destroyed needle tends to seal the end of the needle as well as blunting the needle so as to minimize the possibility of accidentally pricking a person.
The rechargeable battery used hereto is a 6 VDC for Ah dry-fit battery. A 760 milli amp 7 direct current recharger may be utilized. The first electrode 22 is comprised of aluminum and the second electrode is comprised of brass.
Although the preferred embodiment as well as the operation and use have been specifically described in relation to the drawings, it should be understood that variations in the preferred embodiment could be achieved by a man skilled in the art without departing from the spirit of the invention.
Accordingly the invention should not be understood to be limited to the exact form revealed by the drawings.
Claims (19)
1. In a device for disposing a needle comprising:
(a) housing means;
(b) first electrode means disposed interiorally of said housing means;
(c) second electrode means spaced from said first electrode means, said second electrode means having an opening including a bevelled edge disposed along a portion of said opening for receiving and guiding said needle to said first electrode means so as to melt and dispose of said needle; and (d) means for energizing said electrodes.
(a) housing means;
(b) first electrode means disposed interiorally of said housing means;
(c) second electrode means spaced from said first electrode means, said second electrode means having an opening including a bevelled edge disposed along a portion of said opening for receiving and guiding said needle to said first electrode means so as to melt and dispose of said needle; and (d) means for energizing said electrodes.
2. In a device as claimed in claim 1 wherein said first electrode means is stationary.
3. In a device as claimed in claim 2 wherein said first electrode means presents a sloped surface.
4. In a device as claimed in claim 3 wherein said second electrode means is displaceable towards said first electrode means.
5. In a device as claimed in claim 4 wherein said second electrode means includes:
(a) collar means having an access aperture for receiving said needle; and (b) guide means received by said collar means, said guide means including said opening communicating with said access aperture for receiving and guiding said needle to said first electrode means so as to melt and dispose of said needle.
(a) collar means having an access aperture for receiving said needle; and (b) guide means received by said collar means, said guide means including said opening communicating with said access aperture for receiving and guiding said needle to said first electrode means so as to melt and dispose of said needle.
6. In a device as claimed in claim 5 wherein said guide means is displaceable relative said collar means.
7. In a device as claimed in claim 6 wherein said second electrode means further includes spring means for urging said guide means in a first biased position away from said first electrode means.
8. In a device as claimed in claim 7 wherein said guide means is displaceable to a second energizing position by said needle when said spring means is compressed and said guide means is moveable towards said first electrode means.
9. In a device as claimed in claim 8 wherein said housing means includes a tray for receiving said melted needle.
10. In a device as claimed in claim 9 wherein said device is portable.
11. In a device as claimed in claim 10 wherein said housing includes batteries for energizing said energizing means.
12. In a device as claimed in claim 11 wherein said batteries are rechargeable.
13. In a device as claimed in claim 12 wherein said housing includes indicator means for indicating that the device is ready for use.
14. A portable device for destroying syringe needles comprising:
(a) a housing;
(b) a first electrode disposed interiorally of said housing;
(c) collar means having an access aperture into said housing aligned with said first electrode;
(d) guide means received by said collar means for slidable movement therebetween between a first biased position and a second energizing position where said guide means moves towards said first electrode means;
(e) compression spring means for urging said guide means in said first biased position;
(f) circuitry means associated with said first electrode means and said guide means for energizing same; and (g) said guide means presenting a generally cylindrical member having an open end communicating with said access aperture, and a closed end having an opening including a bevelled edge disposed along a portion of said opening for receiving said needle and guiding same towards the first electrode means for melting and disposing of said needle.
(a) a housing;
(b) a first electrode disposed interiorally of said housing;
(c) collar means having an access aperture into said housing aligned with said first electrode;
(d) guide means received by said collar means for slidable movement therebetween between a first biased position and a second energizing position where said guide means moves towards said first electrode means;
(e) compression spring means for urging said guide means in said first biased position;
(f) circuitry means associated with said first electrode means and said guide means for energizing same; and (g) said guide means presenting a generally cylindrical member having an open end communicating with said access aperture, and a closed end having an opening including a bevelled edge disposed along a portion of said opening for receiving said needle and guiding same towards the first electrode means for melting and disposing of said needle.
15. In a portable device as claimed in claim 14 wherein said housing includes a tray for catching said melted needle.
16. In a portable device as claimed in claim 15 wherein said bevelled edge comprises a counter sink.
17. In a portable device as claimed in claim 16 wherein said opening comprises two intersecting circular holes, wherein one of said holes includes a counter sink.
18. In a portable device as claimed in claim 17 wherein said circular hole including said counter sink is smaller than said other circular hole.
19. In a method of destroying syringe needles comprising the steps of:
(a) inserting said needle through an access aperture of a housing having a first stationary electrode disposed interiorally of said housing and a second displaceable electrode having an opening aligning with said aperture and said first electrode said opening including a bevelled edge disposed along a portion of said opening;
(b) pushing said needle through said access aperture and said bevelled edge of said opening so as to displace said electrode towards said first electrode and melt said needle; and (c) withdrawing said syringe.
(a) inserting said needle through an access aperture of a housing having a first stationary electrode disposed interiorally of said housing and a second displaceable electrode having an opening aligning with said aperture and said first electrode said opening including a bevelled edge disposed along a portion of said opening;
(b) pushing said needle through said access aperture and said bevelled edge of said opening so as to displace said electrode towards said first electrode and melt said needle; and (c) withdrawing said syringe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2038884 CA2038884A1 (en) | 1991-03-22 | 1991-03-22 | Needle destroyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2038884 CA2038884A1 (en) | 1991-03-22 | 1991-03-22 | Needle destroyer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2038884A1 true CA2038884A1 (en) | 1992-09-23 |
Family
ID=4147251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2038884 Abandoned CA2038884A1 (en) | 1991-03-22 | 1991-03-22 | Needle destroyer |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2038884A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5710404A (en) * | 1996-07-26 | 1998-01-20 | Biotronix 2000, Inc. | Portable hand-held device for incinerating needles |
-
1991
- 1991-03-22 CA CA 2038884 patent/CA2038884A1/en not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5710404A (en) * | 1996-07-26 | 1998-01-20 | Biotronix 2000, Inc. | Portable hand-held device for incinerating needles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |