1. A phlebotomy device comprising:
a needle defining a lumen and having a proximal end portion and a distal end portion, the distal end portion including a sharpened tip configured to pierce tissue;
a deformable valve positioned about the proximal end portion of the needle; and
a sensor formed of a shape memory alloy disposed at least partially within the lumen, the sensor having a first state and a second state;
wherein the sensor is configured to transition from the first state to the second state upon exposure to blood at physiological temperature and the deformable valve is configured to move between a first collapsed position and a second extended position upon transition of the sensor from the first state to the second state, the sensor being positioned to contact the deformable valve to move the deformable valve from the first collapsed position to the second extended position as the sensor transitions from the first state to the second state.
2. The phlebotomy device according to claim 1, wherein the sensor is made of nickel-titanium alloy.
3. The phlebotomy device according to claim 1, wherein the sensor is a wire.
4. The phlebotomy device according to claim 1, wherein at least a portion of the sensor has a generally helical shape.
5. The phlebotomy device according to claim 1, wherein the sensor has a proximal end and a distal end, the distal end being fixed within the lumen of the needle.
6. The phlebotomy device according to claim 1, further comprising a needle holder supporting the needle.
7. The phlebotomy device according to claim 6, wherein the needle holder defines a cavity, wherein the distal end portion of the needle extends outwardly from the cavity and the proximal end portion of the needle is supported within the cavity.
8. The phlebotomy device according to claim 1, wherein the deformable valve includes a tubular section, an indicator, and a weakened wall section connecting the tubular section and the indicator.
9. The phlebotomy device according to claim 8, wherein the indicator is made of an elastomeric material.
10. The phlebotomy device according to claim 1, wherein the sensor extends proximally when transitioning from the first state to the second state.
11. A phlebotomy device comprising:
a needle defining a lumen and having a proximal end portion and a distal end portion, the distal end portion including a sharpened tip configured to pierce tissue;
a sensor formed of a shape memory alloy disposed at least partially within the lumen, the sensor having a first state and a second state and being configured to transition from the first state to the second state upon exposure to blood at physiological temperature;
a needle holder supporting the needle and defining a cavity, wherein the distal end portion of the needle extends outwardly from the cavity and the proximal end portion of the needle is supported within the cavity; and
a deformable valve positioned about the proximal end portion of the needle, the deformable valve having a first configuration and a second configuration, the deformable valve contacting the sensor such that when the sensor is in the first state, the deformable valve is in the first configuration and when the sensor transitions to the second state, the deformable valve is moved to the second configuration.
12. The phlebotomy device according to claim 11, wherein the deformable valve includes a tubular section, an indicator, and a weakened wall section connecting the tubular section and the indicator.
13. The phlebotomy device, according to claim 5,
wherein the sensor has a non-linear portion that transitions to a substantially linear state when in contact with blood at physiological temperature.
14. The phlebotomy device of claim 13 wherein the non-linear portion of the sensor has a sinusoidal configuration.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A dispenser box for stackable sheet articles, said dispenser box comprising:
first and second rectangular main walls each main wall having a first and a second wall end edge,
a first dispenser end edge of said dispenser box defined by said first wall end edge of said first main wall and said first wall end edge of said second main wall,
a second dispenser end edge of said dispenser box defined by said second wall end edge of said first main wall and said second wall end edge of said second main wall,
a first wall side edge of said first main wall and a first wall side edge of said second main wall extending along a first dispenser side edge of said dispenser box and a second wall side edge of said first main wall and a second wall side edge of said second main wall extending along a second dispenser side edge of said dispenser box,
first and second end walls; and
a dispensing opening,
wherein each said end wall has a first and a second diametrically opposite right-angled corner and a first and a second diametrically opposite convexly curved corner wherein said first dispenser side edge of said dispenser box extends between said first right-angled corners of said end walls and said second dispenser side edge of said dispenser box extends between said second right-angled corners of said end walls,
wherein said first wall end edge of said first main wall and said first wall end edge of said second main wall extend between said first and second diametrically opposite right-angled corners of said first end wall, and said second wall end edge of said first main wall and said second wall end edge of said second main wall extend between said first and second diametrically opposite right-angled corners of said second end wall, and
wherein said first and second wall end edges of said first and second main walls comprise a curved portion conforming to said curvature of said curved corners of said end walls and each said main wall has a curved surface corresponding to said curved portions of said wall end edges of said main walls.
2. The dispenser box according to claim 1, wherein the radius of curvature of said convexly curved corners is greater than 1 mm and less than or equal to a height or a width of said dispenser box.
3. The dispenser box according to claim 1, wherein said dispensing opening is arranged in a main wall.
4. The dispenser box according to claim 1, wherein said dispensing opening is arranged in an end wall.
5. The dispenser box according to claim 1, wherein two or more dispensing openings are arranged in said dispenser box.
6. The dispenser box according to claim 1, wherein said dispenser box walls are made from a material selected from the group consisting of: cardboard, plastic sheet materials, paper foam materials, plastic foam materials, metal foil, and laminates and combinations thereof.
7. The dispenser box according to claim 1, wherein each said end wall comprises at least one end panel.
8. The dispenser box according to claim 7, wherein said end walls comprise two overlapping end panels.
9. The dispenser box according to claim 8, wherein said overlapping end panels have equal shape.
10. The dispenser box according to claim 1, wherein the dispenser box contains a rectangular stack of interfolded wipes.
11. The dispenser box according to claim 1, wherein said end walls are arranged flush with said wall end edges of said main walls.
12. The dispenser box according to claim 1, wherein said first side dispenser edge of said dispenser box is defined by a fold line between two main wall panels and said second dispenser side edge of said dispenser box is defined by a join between said main wall panels.
13. The dispenser box according to claim 1, wherein said curved portions of said first and second main walls are continuously curved without creases or folds between said first and second dispenser side edges of said dispenser box.
14. A blank for producing the dispenser box according to claim 1, wherein said blank comprises first and second rectangular main panels having first and second side edges and first and second end edges, said main panels being interconnected by a side edge fold line constituting said first side edges of said main panels and comprising at least one end panel being interconnected with each said end edge of said main panels by an end edge fold line having first and second ends, said at least one end panel having a right-angled corner and a convexly curved corner at the ends of said edge fold line.
15. The blank according to claim 14, wherein two end panels are interconnected with each said end edges of said main panels.
16. The blank according to claim 15, wherein said two end panels have identical shape.
17. The blank according to claim 16, wherein at least one stabilizing tab is interconnected with each said end edges of said main panels.
18. A process for forming a box dispenser from the blank according to claim 17, comprising the steps of:
a) folding said blank along said side edge fold line;
b) interconnecting said second side edges of said main panels to form a tubular main box dispenser body;
c) folding in the first end panel at said end edges of said main panels;
d) folding in said at least one stabilizing tab; and
e) folding in said second end panel.
19. A dispenser box for stackable sheet articles, said dispenser box comprising:
first and second rectangular main walls each main wall having a first and a second wall end edge,
a first dispenser end edge of said dispenser box defined by said first wall end edge of said first main wall and said first wall end edge of said second main wall,
a second dispenser end edge of said dispenser box defined by said second wall end edge of said first main wall and said second wall end edge of said second main wall,
a first wall side edge of said first main wall and a first wall side edge of said second main wall extending along a first dispenser side edge of said dispenser box and a second wall side edge of said first main wall and a second wall side edge of said second main wall extending along a second dispenser side edge of said dispenser box,
first and second end walls; and
a dispensing opening,
wherein each said end wall has a first and a second diametrically opposite right-angled corner and a first and a second diametrically opposite convexly curved corner wherein said first dispenser side edge of said dispenser box extends between said first right-angled corners of said end walls and said second dispenser side edge of said dispenser box extends between said second right-angled corners of said end walls,
wherein said first wall end edge of said first main wall and said first wall end edge of said second main wall extend between said first and second diametrically opposite right-angled corners of said first end wall, and said second wall end edge of said first main wall and said second wall end edge of said second main wall extend between said first and second diametrically opposite right-angled corners of said second end wall, and
wherein said first and second wall end edges of said first and second main walls comprise a curved portion conforming to said curvature of said curved corners of said end walls and each said main wall has a curved surface corresponding to said curved portions of said wall end edges of said main walls,
wherein each said end wall comprises at least one end panel, and
wherein at least one end tab extends from said first dispenser end edge of said dispenser box and is attached to an inner surface of said at least one end panel of said dispenser box thereby connecting said inner surface of said at least one end panel with said first dispenser end edge of said dispenser box.