Nursing branch of academic or vocational study is with supplementary belt cleaning device of head
Technical Field
The invention relates to a cleaning device, in particular to an auxiliary head cleaning device for a nursing department.
Background
At present, a plurality of patients with injured heads exist in hospitals, when medical care personnel treat the heads of the patients, impurities on the heads of the patients need to be cleaned in time so as to be free from bacterial infection when medicines are sequentially applied, the hospitals generally clean the heads of the patients, namely the patients sit on a chair, the bodies of the patients lie down, the heads of the patients are positioned in a cleaning pool, the heads of the patients are cleaned manually by nursing personnel, the heads of the patients are damaged by the patients, when the bodies lie down for cleaning the heads, the dizziness phenomenon easily occurs, the patients are difficult to sit stably, the patients are toppled over, the patients then sit on the chair, the heads of the patients lie in the cleaning pool in a body bending mode, the head is extremely dangerous for the patients with head injury in the bending mode, if the shower head is fixed in the cleaning pool, the shower head cannot be cleaned at other positions of the heads of the patients, the patients need to lie on the sides for cleaning, and the patients in the cleaning mode, it is dangerous for the head injury patient.
Therefore, a head auxiliary cleaning device for nursing department is needed, which can lie on the cushion for the whole body, can limit the position of the patient, plays a role in protection, and can clean the head of the patient in all directions without the need of lying on the side of the patient.
Disclosure of Invention
In order to overcome the defects that the patient sits on a chair and is difficult to sit stably due to head injury of the patient, the patient falls down, the patient sits on the chair, the head of the patient lies in a cleaning pool in a body bending mode, the head injury patient is extremely dangerous due to the bending mode, and the patient needs to lie on one side to turn over for cleaning in the current hospital, the technical problem of the invention is as follows: the utility model provides a can lie on the cushion by whole body, can carry on spacingly to the patient simultaneously, play the guard action, need not the patient and lie on one's side just can all-roundly carry out abluent supplementary belt cleaning device of head for nursing branch of academic or vocational study to patient's head.
The technical scheme of the invention is as follows: a head auxiliary cleaning device for nursing department comprises:
the number of the frames is two, and a fixed frame is connected between the inner middle parts of the two frames;
the connecting block is connected between the lower parts of one sides of the two frames;
the water tank which can clean the head of the patient is connected between the upper parts of the other sides of the two frames, and a water outlet is formed in the bottom in the water tank and used for discharging waste water;
the first fixed block is convenient to lie on one side in the water tank;
the washing mechanism is arranged in the middle of the outer side of the water tank and can wash the head, the moving mechanism is arranged at the bottom of the water tank and is used for nursing staff to sit;
the auxiliary mechanism is arranged between one side of the two frames and used for limiting the patient and preventing the patient from being turned upside down.
Further illustratively, the cleaning mechanism includes:
the upper parts of two sides of the water vat are respectively provided with a first fixed rod;
the water tank is connected between the two first fixing rods and used for storing water;
the water outlet pipes are arranged on both sides of the water tank;
the inner sides of the two water outlet pipes are provided with two first nozzles.
Further illustratively, the moving mechanism includes:
the bottom of the water tank is provided with a first guide rail;
the first sliding block is arranged on the first guide rail in a sliding manner;
a seat is arranged on one side of the first sliding block and used for a nursing staff to sit;
the equal rotary type in wheel, seat bottom both sides is equipped with two wheels.
Further illustratively, the assist mechanism includes:
the second fixed rod is connected between the upper parts of the two frames at the side close to the water vat;
the second guide rail is connected between the lower parts of one sides of the two frames and is positioned below the second fixed rod;
the first connecting rods are arranged on two sides of the second fixing rod in a sliding manner and are in sliding fit with the second guide rail;
two second springs are connected between the first connecting rod and the second guide rail;
the upper parts of the two first connecting rods are both provided with two first sliding rods in a sliding manner;
the sponge blocks are arranged between the inner sides of the two first sliding rods;
the first springs are symmetrically connected between the sponge block and the first connecting rod from top to bottom;
the outer sides of the bottoms of the two first connecting rods are respectively provided with a third fixing rod;
first wedge pole, first sliding block one side are equipped with first wedge pole, first wedge pole and third dead lever sliding fit.
Further explain, still including sheltering from the mechanism, shelter from the mechanism and include:
the fourth fixed rods are arranged on two sides in the water tank;
the sliding plate is arranged between one sides of the two fourth fixed rods in a sliding mode;
two third springs are connected between the sliding plate and the water cylinder;
the fifth fixed rods are arranged on two sides of the left lower part of the water tank;
the movable plate is arranged between the two fifth fixing rods in a sliding mode and is in sliding fit with the water vat;
two fourth springs are connected between the movable plate and the fifth fixed rod;
and two sixth fixing rods are arranged at the top of the movable plate and are in sliding fit with the sliding plate.
Further explaining, still including adjustment mechanism, adjustment mechanism includes:
a second fixed block is arranged on one side behind the water vat;
one side of the second fixed block is rotatably provided with a first roller;
a fifth spring is connected between the second fixed block and the first roller;
a second roller is rotatably arranged on one side in the water tank;
the water cylinder is provided with a second sliding block at one side close to the second roller in a sliding way;
one side of the second sliding block is provided with a second spray head;
the conveying pipe is connected between the water tank and the second spray head and wound on the first roller and the second roller.
Further explain, still including drop feed mechanism, drop feed mechanism includes:
the two sides of the top of the water vat are provided with third fixed blocks;
the two third fixing blocks are internally provided with a movable frame in a sliding manner, and the two movable frames are in contact fit;
two sixth springs are connected between the moving frame and the third fixed block;
two second connecting rods are arranged on two sides in the water cylinder;
the second wedge-shaped rods are arranged between the two second connecting rods in a sliding mode and are in sliding fit with the moving frame;
seventh springs are symmetrically connected between the second wedge-shaped rod and the second connecting rod from top to bottom;
the two sides of the sliding plate are provided with seventh fixed rods;
the second sliding rods are arranged in the two seventh fixing rods in a sliding manner;
and the eighth spring is connected between the second sliding rod and the seventh fixed rod.
Further, the left side of the water jar is provided with a concave part.
1. The nursing staff installs the external water pipe on the top of the water tank, then water is conveyed into the water outlet pipes on the two sides along the water tank, then the water is sprayed out through the first spray nozzle, the water is sprayed on the two sides of the head of the patient, the nursing staff can clean the head of the patient, and finally the aim of cleaning the head of the patient can be achieved;
2. a caregiver pulls the seat to move on the ground through the wheels, the seat drives the first sliding block to move towards the right side, and then the caregiver can sit on the seat, so that the caregiver can finally sit when cleaning, physical strength of the caregiver is reduced, and burden of the caregiver is relieved to a certain extent;
3. when the first wedge-shaped rod is driven to move towards the right side through the first sliding block, the first wedge-shaped rod is separated from the third fixing rod, the first connecting rods at the two sides, the first sliding rod and the sponge block move towards the middle, then the sponge block moves to the position of the neck of the patient, and finally the neck of the patient can be limited when the head of the patient is cleaned, so that the patient is prevented from falling;
4. the caregiver pulls the sliding plate to move to the left side to the position of the eyes of the patient, the sliding plate can block the sprayed water, and finally the purpose that the water is prevented from splashing to the eyes of the patient in the process of cleaning the head of the patient can be achieved;
5. the nurse can pull the second sliding block and drive the second shower nozzle to move to the front side, and second shower nozzle pulling conveyer pipe moves to the front side and washes patient's head not abluent foam yet, finally alright realize evenly washing patient's head, make patient's head can the abluent purpose.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic partial perspective view of a first embodiment of the present invention.
Fig. 3 is a second partial perspective view of the present invention.
Fig. 4 is a schematic perspective view of the cleaning mechanism of the present invention.
Fig. 5 is a schematic perspective view of a part of the moving mechanism of the present invention.
Fig. 6 is a partial cross-sectional view of the moving mechanism of the present invention.
Fig. 7 is a schematic perspective view of a part of the auxiliary mechanism of the present invention.
Fig. 8 is a first partial sectional view of the assist mechanism of the present invention.
Fig. 9 is a second partial sectional view of the assist mechanism of the present invention.
Fig. 10 is a third partial sectional view of the assist mechanism of the present invention.
Fig. 11 is a schematic partial perspective view of a first shielding mechanism according to the present invention.
Fig. 12 is a schematic partial perspective view of a second shielding mechanism according to the present invention.
FIG. 13 is a schematic view of a third partial perspective structure of the shielding mechanism of the present invention.
FIG. 14 is a schematic view of a fourth partial perspective structure of the shielding mechanism of the present invention.
Fig. 15 is a schematic view of a first partial body structure of the adjustment mechanism of the present invention.
Fig. 16 is a schematic view of a second partial body structure of the adjusting mechanism of the present invention.
Fig. 17 is a schematic perspective view of a part of the discharging mechanism of the invention.
FIG. 18 is a first partial cross-sectional view of a discharge mechanism of the present invention.
FIG. 19 is a second partial cross-sectional view of the discharge mechanism of the present invention.
Wherein: 1. a frame, 2, a fixed frame, 3, a connecting block, 4, a water tank, 41, a water outlet, 5, a first fixed block, 6, a cleaning mechanism, 61, a first fixed rod, 62, a water tank, 63, a water outlet pipe, 64, a first nozzle, 7, a moving mechanism, 71, a first guide rail, 72, a first sliding block, 73, a seat, 74, a wheel, 8, an auxiliary mechanism, 81, a second fixed rod, 82, a second guide rail, 83, a first connecting rod, 84, a first sliding rod, 85, a sponge block, 86, a first spring, 87, a second spring, 88, a third fixed rod, 89, a first wedge rod, 9, a shielding mechanism, 91, a fourth fixed rod, 92, a sliding plate, 93, a third spring, 94, a fifth fixed rod, 95, a movable plate, 96, a fourth spring, 97, a sixth fixed rod, 10, an adjusting mechanism, 101, a second fixed block, 102, a first roller, 103, a second roller, 104. the feeding device comprises a second sliding block 105, a second spray head 106, a conveying pipe 107, a fifth spring 11, a feeding mechanism 111, a third fixing block 112, a moving frame 113, a sixth spring 114, a second connecting rod 115, a second wedge-shaped rod 116, a seventh spring 117, a seventh fixing rod 118, a second sliding rod 119 and an eighth spring.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings.
Example 1
The head auxiliary cleaning device for the nursing department comprises frames 1, two fixed frames 2, connecting blocks 3, water tanks 4, first fixed blocks 5, cleaning mechanisms 6, moving mechanisms 7 and auxiliary mechanisms 8, wherein the number of the frames 1 is two, the fixed frames 2 are connected between the middle parts in the two frames 1, the connecting blocks 3 are connected between the lower parts of the left sides of the two frames 1, the water tanks 4 are connected between the upper parts of the right sides of the two frames 1, the left sides of the water tanks 4 are concave parts, the heads of patients can lie down conveniently, water outlets 41 are formed in the bottoms of the water tanks 4 and used for discharging waste water, the first fixed blocks 5 are arranged on the left sides in the water tanks 4, the cleaning mechanisms 6 are arranged in the middle parts of the outer sides of the water tanks 4, the moving mechanisms 7 are arranged at the bottoms of the water tanks 4, and the auxiliary mechanisms 8 are arranged between the right sides of the two frames 1.
When the head needs to be cleaned in an auxiliary manner, a patient lies on the fixed frame 2, the frames 1 on the two sides can limit the position of the patient to prevent the patient from falling down, then the head of the patient is positioned in the concave position of the water tank 4 and positioned on the first fixed block 5, then a caregiver pulls the auxiliary mechanism 8 to move towards the neck of the patient, the auxiliary mechanism 8 can limit the position of the patient to prevent the patient from being affected when the patient shakes greatly, the caregiver pulls the moving mechanism 7 to move towards the right side, the caregiver can sit on the moving mechanism 7 to clean the head of the patient, then the caregiver installs the external water pipe on the cleaning mechanism 6 in a bolt connection manner, transmits water into the cleaning mechanism 6 through the external water pipe, the cleaning mechanism 6 sprays the water to the head of the patient, and then the caregiver slowly rubs the head of the patient, wash it, wash patient's head through 6 spun water of wiper mechanism, after the cleaning is accomplished, nursing staff just closes external water pipe, make water no longer carry to wiper mechanism 6 in, nursing staff stimulates 8 outside lateral shifting thereupon, auxiliary mechanism 8 just no longer carries on spacingly to patient's neck, thereby patient alright fixed frame 2 breaks away from of standing up, nursing staff pushes away moving mechanism 7 to the side left afterwards, and then packs up moving mechanism 7, waste water just discharge gate discharges, finally can realize carrying out supplementary abluent purpose to the head.
The cleaning mechanism 6 comprises a first fixing rod 61, a water tank 62, a water outlet pipe 63 and first spray heads 64, wherein the first fixing rod 61 is arranged on the upper portions of the front side and the rear side of the water tank 4, the water tank 62 is connected between the two first fixing rods 61, the water outlet pipe 63 is arranged on the front side and the rear side of the right portion of the water tank 62, and the two first spray heads 64 are arranged on the inner sides of the two water outlet pipes 63.
When needing to wash patient's head, and when patient lies in fixed frame 2, the nursing staff installs external water pipe at the top of water tank 62 through bolted connection's mode, water just follows water tank 62 and carries to in the both sides outlet pipe 63, spill water through first shower nozzle 64 afterwards, water just sprays in patient's head both sides, the nursing staff can slowly wash patient's head thereupon, after the cleaning work is accomplished, the nursing staff just closes external water pipe, make water stop carry in the water tank 62, finally, can realize carrying out abluent purpose to patient's head.
The moving mechanism 7 comprises a first guide rail 71, a first sliding block 72, a seat 73 and wheels 74, the first guide rail 71 is arranged at the bottom of the water cylinder 4, the first sliding block 72 is arranged on the first guide rail 71 in a sliding manner, the seat 73 is arranged on the right side of the first sliding block 72, and the two wheels 74 are rotatably arranged on the front side and the rear side of the bottom of the seat 73.
When the nursing staff is washing patient's head, nursing staff pulls seat 73 earlier and passes through wheel 74 and remove on ground, seat 73 drives first sliding block 72 and removes to the right side, then nursing staff alright sit on seat 73, after nursing staff washs patient's head and accomplishes, nursing staff just pushes seat 73 to the left side and removes on ground through wheel 74, seat 73 drives first sliding block 72 left side and removes and reset, finally can realize just sitting when nursing staff washs the work, reduce and save nursing staff's physical power, nursing staff's burden has been alleviateed to a certain extent.
The auxiliary mechanism 8 comprises a second fixed rod 81, a second guide rail 82, a first connecting rod 83, a first sliding rod 84, a sponge block 85, a first spring 86, a second spring 87, a third fixed rod 88 and a first wedge-shaped rod 89, the second fixed rod 81 is connected between the upper parts of the right sides of the two frames 1, the second guide rail 82 is connected between the lower parts of the right sides of the two frames 1, the second guide rail 82 is positioned below the second fixed rod 81, the front and back sides of the second fixed rod 81 are both provided with the first connecting rods 83 in a sliding way, the first connecting rods 83 are in sliding fit with the second guide rail 82, the two second springs 87 are connected between the first connecting rods 83 and the second guide rail 82, the upper parts of the two first connecting rods 83 are both provided with the two first sliding rods 84 in a sliding way, the sponge block 85 is arranged between the inner sides of the two first sliding rods 84, the first springs 86 are symmetrically connected between the sponge block 85 and the first connecting rods 83 on the same side, the outer sides of the bottoms of the two first connecting rods 83 are respectively provided with a third fixing rod 88, the left side of the first sliding block 72 is provided with a first wedge-shaped rod 89, and the first wedge-shaped rod 89 is in sliding fit with the third fixing rod 88.
When a patient cleans the head, and the patient lies on the fixed frame 2, a nursing person pulls the seat 73 to drive the first sliding block 72 to move towards the right, the first sliding block 72 drives the first wedge-shaped rod 89 to move towards the right, the first wedge-shaped rod 89 moves towards the right to be separated from the contact with the third fixed rod 88, the second spring 87 is in an initial state and is in a stretching state, under the reset action of the second spring 87, the first connecting rods 83 on two sides move towards the middle along the second fixed rod 81, the first connecting rod 83 drives the first sliding rod 84 and the sponge block 85 to move towards the middle, then the sponge block 85 moves to the position of the neck of the patient, the sponge block 85 is extruded by the size of the neck of the patient, the first spring 86 plays a buffering role, the sponge block 85 can not cause injury to the neck of the patient, after the cleaning work is finished, the nursing person pushes the seat 73 towards the left to drive the first sliding block 72 to move towards the left, first sliding block 72 drives first wedge pole 89 and removes to the left side, first wedge pole 89 and the contact of both sides third dead lever 88, both sides third dead lever 88 just moves to the outside, both sides third dead lever 88 drives head rod 83 and moves to the outside, second spring 87 is stretched, head rod 83 drives first sliding rod 84 and sponge piece 85 and moves to the outside, sponge piece 85 and patient's neck break away from the contact, patient just plays and fixed frame 2 break away from the contact after that, finally can realize when patient carries out the head and washs, carry out spacingly to patient's neck, prevent that patient from empting, play the guard action.
Example 2
On the basis of embodiment 1, as shown in fig. 1, 11, 12, 13, 14, 15, 16, 17, 18 and 19, the present invention further comprises a shielding mechanism 9, wherein the shielding mechanism 9 comprises a fourth fixing rod 91, a sliding plate 92, a third spring 93, a fifth fixing rod 94, a movable plate 95, a fourth spring 96 and a sixth fixing rod 97, the fourth fixing rod 91 is disposed on both front and rear sides of the left side in the water cylinder 4, the sliding plate 92 is slidably disposed between the right sides of the two fourth fixing rods 91, the two third springs 93 are connected between the sliding plate 92 and the water cylinder 4, the fifth fixing rods 94 are disposed on both front and rear sides of the left lower portion of the water cylinder 4, the movable plate 95 is slidably disposed between the two fifth fixing rods 94, the movable plate 95 is slidably engaged with the water cylinder 4, the two fourth springs 96 are connected between the movable plate 95 and the fifth fixing rods 94, the top of the movable plate 95 is provided with the two sixth fixing rods 97, the sixth fixing lever 97 is slidably engaged with the sliding plate 92.
When water is required to be prevented from splashing on the eyes of a patient, a nursing staff can pull the sliding plate 92 to move towards the left side, the third spring 93 is compressed, the sliding plate 92 moves towards the left side to be contacted with the sixth fixed rod 97, the sixth fixed rod 97 and the movable plate 95 move towards the lower side, the fourth spring 96 is compressed, the nursing staff continuously pulls the sliding plate 92 to move towards the left side to the eye position of the patient, the sliding plate 92 moves to be not contacted with the sixth fixed rod 97, under the reset action of the fourth spring 96, the movable plate 95 drives the sixth fixed rod 97 to move towards the upper side, the sixth fixed rod 97 supports against the sliding plate 92, the sliding plate 92 stops at the eye position of the patient, the sliding plate 92 can block sprayed water, the water flows into the water cylinder 4 along the smooth part on the outer side of the sliding plate 92, after the cleaning work is finished, the nursing staff pulls the movable plate 95 to drive the sixth fixed rod 97 to move towards the lower side, the fourth spring 96 is compressed, the sixth fixing rod 97 is not in contact with the sliding plate 92 any more, under the reset action of the third spring 93, the sliding plate 92 moves to the right side for resetting, the sliding plate 92 moves to a position where the head of the patient is not blocked any more, then the patient can get up and is separated from the fixed frame 2 for contact, and finally the purpose that the eyes of the patient are prevented from being splashed by water in the head cleaning process of the patient can be achieved.
The automatic water tank cleaning device is characterized by further comprising an adjusting mechanism 10, wherein the adjusting mechanism 10 comprises a second fixed block 101, a first roller 102, a second roller 103, a second sliding block 104, a second spray head 105, a conveying pipe 106 and a fifth spring 107, the second fixed block 101 is arranged on the rear right side of the water tank 4, the first roller 102 is rotatably arranged on the right side of the second fixed block 101, the fifth spring 107 is connected between the second fixed block 101 and the first roller 102, the second roller 103 is rotatably arranged on the rear right side in the water tank 4, the second sliding block 104 is slidably arranged on the right side in the water tank 4, the second spray head 105 is arranged on the left side of the second sliding block 104, the conveying pipe 106 is connected between the water tank 62 and the second spray head 105, and the conveying pipe 106 is wound on the first roller 102 and the second roller 103.
When the head of a patient needs to be uniformly washed, a caregiver can pull the second sliding block 104 to drive the second spray nozzle 105 to move forwards, the second spray nozzle 105 pulls the conveying pipe 106 to move forwards along the first roller 102 and the second roller 103, the first roller 102 and the second roller 103 rotate in the moving process of the conveying pipe 106, the fifth spring 107 deforms accordingly, the spray nozzle 105 can rotate freely because the pipe connected with the spray nozzle 105 is a gooseneck pipe, the head of the patient can be washed in all directions by the forward movement of the second spray nozzle 105, after the washing operation is finished, the caregiver does not apply force to the second connecting rod 114 any more, the first roller 102 performs reverse rotation reset under the reset action of the fifth spring 107, the first roller 102 rotates reversely to drive the conveying pipe 106 to move backwards, the conveying pipe 106 drives the second spray nozzle 105 to move backwards to reset, and then the second sliding block 104 moves backwards to reset, finally, the head of the patient can be flushed in all directions, and the head of the patient can be cleaned.
The discharging mechanism 11 is further included, the discharging mechanism 11 includes a third fixed block 111, a movable frame 112, a sixth spring 113, a second connecting rod 114, a second wedge-shaped rod 115, a seventh spring 116, a seventh fixed rod 117, a second sliding rod 118 and an eighth spring 119, the third fixed block 111 is respectively arranged on the front side and the rear side of the left side of the top of the water cylinder 4, the movable frame 112 is respectively arranged on the inner sides of the two third fixed blocks 111 in a sliding manner, the two movable frames 112 are in contact fit, the two sixth springs 113 are connected between the movable frame 112 and the third fixed block 111, the two second connecting rods 114 are respectively arranged on the front side and the rear side of the left side in the water cylinder 4, the second wedge-shaped rod 115 is respectively arranged between the two second connecting rods 114 in a sliding manner, the second wedge-shaped rod 115 is in sliding fit with the movable frame 112, the seventh springs 116 are respectively connected between the second wedge-shaped rod 115 and the second connecting rods 114 in an up-down symmetrical manner, the seventh fixed rods 117 are respectively arranged on the front side and the rear side of the sliding plate 92, a second sliding rod 118 is slidably disposed in each of the two seventh fixing rods 117, and an eighth spring 119 is connected between each of the second sliding rods 118 and the seventh fixing rod 117.
When the sliding plate 92 moves to the left to drive the seventh fixing rod 117 and the second sliding rod 118 to move to the left, the second sliding rod 118 contacts with the second wedge-shaped rod 115, the second sliding rod 118 moves to the inner side, the eighth spring 119 is compressed, then the second sliding rod 118 continues to move until it does not contact with the second wedge-shaped rod 115, under the reset action of the eighth spring 119, the second sliding rod 118 moves to the outer side to reset, and then the sliding plate 92 drives the seventh fixing rod 117 and the second sliding rod 118 to move to the right, the second sliding rod 118 contacts with the second wedge-shaped rod 115, the second sliding rod 118 drives the second wedge-shaped rod 115 to move to the right, the seventh spring 116 is compressed, the second wedge-shaped rod 115 moves to the right to contact with the two side moving frames 112, and drives the two side moving frames 112 to move to the outer side, the two side moving frames 112 move away from each other, and towels in the moving frames 112 fall to the eyes of the patient, the patient can wrap the head which is just cleaned, water is wiped, then the second sliding rod 118 continues to drive the second wedge-shaped rod 115 to move towards the right side, when the second wedge-shaped rod 115 cannot move towards the right side, the second sliding rod 118 moves towards the inner side, the eighth spring 119 is compressed, the second sliding rod 118 is not in contact with the second wedge-shaped rod 115 any more, under the reset action of the seventh spring 116, the second wedge-shaped rods 115 at the two sides move towards the left side to reset, the second wedge-shaped rod 115 does not extrude the moving frame 112, under the reset action of the sixth spring 113, the moving frames 112 at the two sides move towards the inner side to reset, a new towel is placed between the moving frames 112 at the two sides by nursing staff, and finally, the towel can be dropped after the head of the patient is cleaned, the head of the patient is wrapped, water is wiped, and the operation is repeatedly carried out, the time for the nursing staff to take the towel can be reduced.
It should be understood that the above description is for illustrative purposes only and is not meant to limit the present invention. Those skilled in the art will appreciate that variations of the present invention are intended to be included within the scope of the claims herein.