阅读说明：本技术 一种手术室用多功能清创护理架 (Operating room is with multi-functional nursing frame of creating of debridement ) 是由 孟丽芳 王兴洁 于 2021-07-27 设计创作，主要内容包括：本发明公开了手术室用多功能清创护理架,涉及清创护理架技术领域,包括清洗台,所述的清洗台的内部固定连接有清洗槽,所述的清洗台的底部固定连接有支撑腿,所述的清洗台的顶部设置有第一机构和第二机构,所述的第一机构包括第一中心安装轴、第一轴承座、第二轴承座、第三轴承座、第一支撑辊和第一齿轮,所述的第一轴承座安装在第一中心安装轴外表面的一端,所述的第三轴承座安装在第一中心安装轴外表面的另一端,该手术室用多功能清创护理架,在使用时,通过设置有第一支撑辊和第二支撑辊,当将患者的四肢放在第一支撑辊和第二支撑辊之间,第一支撑辊和第二支撑辊可以对患者的四肢进行支撑,便于清洗护理人员患者肢体。(The invention discloses a multifunctional debridement nursing frame for an operating room, which relates to the technical field of debridement nursing frames and comprises a cleaning table, wherein a cleaning tank is fixedly connected inside the cleaning table, a supporting leg is fixedly connected at the bottom of the cleaning table, a first mechanism and a second mechanism are arranged at the top of the cleaning table, the first mechanism comprises a first central mounting shaft, a first bearing seat, a second bearing seat, a third bearing seat, a first supporting roller and a first gear, the first bearing seat is mounted at one end of the outer surface of the first central mounting shaft, the third bearing seat is mounted at the other end of the outer surface of the first central mounting shaft, when the multifunctional debridement nursing frame is used, the first supporting roller and the second supporting roller are arranged, when four limbs of a patient are placed between the first supporting roller and the second supporting roller, the first supporting roller and the second supporting roller can support the four limbs of the patient, is convenient for cleaning the limbs of the nursing staff patients.)

1. The multifunctional debridement nursing frame for the operating room is characterized by comprising a cleaning table (1), wherein a cleaning tank (2) is fixedly connected inside the cleaning table (1), a supporting leg (3) is fixedly connected to the bottom of the cleaning table (1), and a first mechanism (4) and a second mechanism (5) are arranged at the top of the cleaning table (1);

the first mechanism (4) comprises a first center mounting shaft (401), a first bearing seat (402), a second bearing seat (403), a third bearing seat (404), a first supporting roller (405) and a first gear (406), wherein the first bearing seat (402) is arranged at one end of the outer surface of the first center mounting shaft (401), the third bearing seat (404) is arranged at the other end of the outer surface of the first center mounting shaft (401), the second bearing seat (403) is arranged on the outer surface of the first center mounting shaft (401), the second bearing seat (403) is arranged between the first bearing seat (402) and the third bearing seat (404), the first supporting roller (405) is fixedly connected to the outer surface of the first center mounting shaft (401), the first supporting roller (405) is arranged between the first bearing seat (402) and the second bearing seat (403), and the first gear (406) is fixedly connected to the outer surface of the first center mounting shaft (401), the first gear (406) is positioned between the second bearing seat (403) and the third bearing seat (404);

the second mechanism (5) comprises a second central mounting shaft (501), a fourth bearing seat (502), a fifth bearing seat (503), a sixth bearing seat (504), a second supporting roller (505) and a second gear (506), wherein the fourth bearing seat (502) is mounted at one end of the outer surface of the second central mounting shaft (501), the sixth bearing seat (504) is mounted at the other end of the outer surface of the second central mounting shaft (501), the fifth bearing seat (503) is mounted at the outer surface of the second central mounting shaft (501), the fifth bearing seat (503) is positioned between the fourth bearing seat (502) and the sixth bearing seat (504), the second supporting roller (505) is fixedly connected to the outer surface of the second central mounting shaft (501), the second supporting roller (505) is positioned between the fourth bearing seat (502) and the fifth bearing seat (503), and the second gear (506) is fixedly connected to the outer surface of the second central mounting shaft (501), the second gear (506) is positioned between the fifth bearing seat (503) and the sixth bearing seat (504);

first center-mounted axle (401) and second center-mounted axle (501) be parallel to each other, first center-mounted axle (401) and second center-mounted axle (501) be located washing tank (2) directly over, first gear (406) and second gear (506) meshing, the one end of first center-mounted axle (401) be provided with motor (6), the bottom fixedly connected with supporting seat of motor (6), supporting seat and clean bench (1) fixed connection, the output of motor (6) and first center-mounted axle (401) fixed connection, the equal fixedly connected with washing sponge of surface of first supporting roller (405) and second supporting roller (505).

2. The multifunctional debridement nursing frame for the operating room as claimed in claim 1, wherein: the top fixedly connected with of clean bench (1) place board (7), the top of placing board (7) seted up the arc wall, the inside fixedly connected with arc rubber strip (8) of arc wall, place board (7) and first center-mount axle (401) mutually perpendicular.

3. The multifunctional debridement nursing frame for the operating room as claimed in claim 1, wherein: the top overlap joint of clean bench (1) have protection casing (9), the bottom of protection casing (9) seted up arc wall (10), the quantity of arc wall (10) be four, four the diameter homogeneous phase of arc wall (10) equal, four the diameter of arc wall (10) be greater than the diameter of first center mount axle (401) and second center mount axle (501), four the position of arc wall (10) and the position one-to-one of first center mount axle (401) and second center mount axle (501).

4. The multifunctional debridement nursing frame for the operating room as claimed in claim 1, wherein: bottom fixedly connected with bottom sprag board (11) of supporting leg (3), the bottom pipe connection of washing tank (2) have the waste water pipeline, top fixedly connected with waste water tank (12) of bottom sprag board (11), the one end of waste water pipeline be located the inside of waste water tank (12), the top fixedly connected with water purification case (13) of bottom sprag board (11), the top fixedly connected with water pump (14) of clean bench (1), one side pipe connection of water pump (14) have first pipeline, first pipeline run through to the inside of water purification case (13), the output fixedly connected with second pipeline of water pump (14), the one end fixedly connected with faucet (15) of second pipeline.

5. The multifunctional debridement nursing frame for the operating room as claimed in claim 4, wherein: the bottom of the bottom supporting plate (11) is fixedly connected with four locking universal wheels.

6. The multifunctional debridement nursing frame for the operating room as claimed in claim 1, wherein: one side fixedly connected with couple (16) of washing tank (2), the quantity of couple (16) be a plurality of.

7. The multifunctional debridement nursing frame for the operating room as claimed in claim 1, wherein: the top of the cleaning table (1) is provided with a tool groove (17), and the top of the cleaning table (1) is provided with a waste groove (18).

Technical Field

The invention relates to the technical field of debridement nursing frames, in particular to a multifunctional debridement nursing frame for an operating room.

Background

The operating room is a place for providing operations and rescue for patients, is an important technical department of hospitals, is connected with an operating department, is close to a blood bank, a monitoring room, an anesthesia resuscitation room and the like, and is managed by grasping four ways of surgical incision infection, namely: air in the operating room; items required for surgery; the finger of a doctor and the skin of a patient are prevented from being infected, the success rate of the operation is ensured, the design is reasonable, the equipment is complete, the work response of the nurse is sensitive and quick, the work efficiency is high, the operating room is provided with a set of strict and reasonable rules and regulations and sterile operation specifications, along with the rapid development of the society and the progress of the medical level, the debridement nursing equipment applied in the operating room is widely applied, and the damaged part of the patient is cleaned and fixed through a debridement device, so that the operation quality and the operation efficiency are improved; the debridement is an operation method which uses a surgical operation method to remove foreign matters in an open wound, remove necrotic, inactivated or severely polluted tissues and suture the wound so as to reduce the pollution as much as possible and even change the tissue into a clean wound, thereby achieving the purpose of primary healing and being beneficial to the recovery of the function and the shape of the injured part.

Patient's arm or shank when receiving the injury, need handle the treatment in the operating room, and need use the nursing frame of debriding during the processing, current nursing frame of debriding has a great deal of inconvenience when using, because the effect of debriding nursing frame is that cooperation nursing staff washs patient's limbs, but when using, nursing staff can wash the higher authority of patient's limbs, patient's limbs ground is difficult to wash, patient's limbs also be convenient for overturn, influence at this moment washs, it is inconvenient to use.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a multifunctional debridement nursing frame for an operating room, which has the advantage of being convenient for cleaning the skin at the bottom of the limb of a patient and solves the problem of inconvenient use of the existing debridement nursing frame.

(II) technical scheme

In order to realize the purpose of conveniently cleaning the bottom of the limb of the patient, the invention provides the following technical scheme: the cleaning device comprises a cleaning table, wherein a cleaning tank is fixedly connected inside the cleaning table, a supporting leg is fixedly connected to the bottom of the cleaning table, and a first mechanism and a second mechanism are arranged at the top of the cleaning table;

the first mechanism comprises a first center mounting shaft, a first bearing seat, a second bearing seat, a third bearing seat, a first supporting roller and a first gear, the first bearing seat is mounted at one end of the outer surface of the first center mounting shaft, the third bearing seat is mounted at the other end of the outer surface of the first center mounting shaft, the second bearing seat is mounted on the outer surface of the first center mounting shaft, the second bearing seat is located between the first bearing seat and the third bearing seat, the first supporting roller is fixedly connected to the outer surface of the first center mounting shaft, the first supporting roller is located between the first bearing seat and the second bearing seat, the first gear is fixedly connected to the outer surface of the first center mounting shaft, and the first gear is located between the second bearing seat and the third bearing seat;

the second mechanism comprises a second center mounting shaft, a fourth bearing seat, a fifth bearing seat, a sixth bearing seat, a second supporting roller and a second gear, the fourth bearing seat is mounted at one end of the outer surface of the second center mounting shaft, the sixth bearing seat is mounted at the other end of the outer surface of the second center mounting shaft, the fifth bearing seat is mounted on the outer surface of the second center mounting shaft, the fifth bearing seat is located between the fourth bearing seat and the sixth bearing seat, the second supporting roller is fixedly connected to the outer surface of the second center mounting shaft, the second supporting roller is located between the fourth bearing seat and the fifth bearing seat, the second gear is fixedly connected to the outer surface of the second center mounting shaft, and the second gear is located between the fifth bearing seat and the sixth bearing seat;

the first central installation shaft and the second central installation shaft are parallel to each other, the first central installation shaft and the second central installation shaft are positioned right above the cleaning tank, the first gear is meshed with the second gear, one end of the first central installation shaft is provided with a motor, the bottom of the motor is fixedly connected with a supporting seat, the supporting seat is fixedly connected with a cleaning table, the output end of the motor is fixedly connected with the first central installation shaft, the outer surfaces of the first supporting roller and the second supporting roller are fixedly connected with cleaning sponge, through the arrangement of the first mechanism and the second mechanism, the first mechanism and the second mechanism are both arranged on the cleaning table, the limb of a patient is placed between the first mechanism and the second mechanism, the rotating directions of the first supporting roller and the second supporting roller are opposite, the first supporting roller and the second supporting roller rub upwards from the bottom of the limb of the patient, and because the outer surfaces of the first supporting roller and the second supporting roller are both provided with cleaning sponge, thereby can be slowly and gently wash patient's limbs from the bottom, nursing staff can be by a small margin removal patient's limbs to comprehensive bottom to patient's limbs is washd, and the cleaning performance is better, uses comparatively simply, has improved the device's practicality greatly.

Preferably, the top fixedly connected with of wash platform place the board, the top of placing the board seted up the arc wall, the inside fixedly connected with arc rubber strip of arc wall, place board and first central mounting axle mutually perpendicular, through being provided with place board and arc rubber strip, can support patient's limbs, the supporting effect is better.

Preferably, the top overlap joint of wash platform have the protection casing, the bottom of protection casing seted up the arc wall, the quantity of arc wall be four, four the diameter homogeneous phase of arc wall equal, four the diameter of arc wall be greater than the diameter of first center mount axle and second center mount axle, four the position of arc wall and the position one-to-one of first center mount axle and second center mount axle, through being provided with the protection casing, mainly can improve the security that the device used, avoid first gear and second gear fish tail user.

Preferably, the bottom fixedly connected with bottom sprag board of supporting leg, the bottom pipe connection of washing tank have the waste water pipeline, the top fixedly connected with waste water tank of bottom sprag board, the one end of waste water pipeline be located the inside of waste water tank, the top fixedly connected with water purification case of bottom sprag board, the top fixedly connected with water pump of clean bench, one side pipe connection of water pump have first pipeline, first pipeline run through to the inside of water purification case, the output fixedly connected with second pipeline of water pump, the one end fixedly connected with faucet of second pipeline.

Preferably, the bottom of the bottom supporting plate is fixedly connected with four locking universal wheels, so that the device is convenient to move and use.

Preferably, one side fixedly connected with couple of washing tank, the quantity of couple be a plurality of, can collude the towel through being provided with the couple, improved the device's practicality.

Preferably, the top of the cleaning table is provided with a tool groove, and the top of the cleaning table is provided with a waste groove, so that tools and waste can be conveniently classified and stored.

(III) advantageous effects

Compared with the prior art, the invention provides a multifunctional debridement nursing frame for an operating room, which has the following beneficial effects:

1. the multifunctional debridement nursing frame for the operating room is characterized in that a first mechanism and a second mechanism are installed on a cleaning table through fixing bolts, a first gear is meshed with a second gear, one end of the first mechanism is connected with the output end of a motor, the motor is electrified to operate to drive a first central installation shaft to rotate, so that the first central installation shaft can drive a first supporting roller and a first gear to rotate, the rotating directions of the first supporting roller and the second supporting roller are opposite due to the meshing of the second gear and the first gear, when viewed from top to bottom, the first supporting roller rotates towards the direction far away from the second supporting roller, the second supporting roller rotates towards the direction far away from the first supporting roller, when four limbs of a patient are placed between the first supporting roller and the second supporting roller, the first supporting roller and the second supporting roller can support the four limbs of the patient, and nursing personnel can clean the limbs of the patient conveniently, the motor circular telegram drives first backing roll and the slow rotation of second backing roll, because the equal fixedly connected with of surface of first backing roll and second backing roll washs the sponge, washs the sponge and can wash the bottom of patient's limbs, need not nursing staff and reverses patient's limbs, and the cleaning performance is better, and the result of use is better, has improved the device's practicality greatly.

2. This operating room is with multi-functional debridement nursing frame places the board through being provided with, places the top of board and has seted up the arc wall, the inside fixedly connected with arc rubber strip of arc wall places the board and plays the effect of support to patient's limbs, cooperates first backing roll and second backing roll to use, and convenient to use improves the comfort level that the patient used through being provided with arc rubber strip, through being provided with the protection casing, has improved the security that the device used, and through being provided with the couple, the quantity of couple is a plurality of, has improved the device's practicality, convenient to use.

Drawings

FIG. 1 is a schematic structural view of a first view angle of a multifunctional debridement nursing frame for an operating room according to the present invention;

FIG. 2 is a schematic structural diagram of a second view angle of the multifunctional debridement nursing frame for an operating room according to the present invention;

FIG. 3 is a schematic structural diagram illustrating a positional relationship between a first mechanism and a second mechanism of a multifunctional debridement nursing frame for an operating room according to the present invention;

FIG. 4 is a schematic structural diagram of a first mechanism of a multifunctional debridement nursing frame for an operating room according to the present invention;

FIG. 5 is a schematic structural diagram of a second mechanism of the multifunctional debridement nursing frame for an operating room according to the present invention;

fig. 6 is a schematic structural view of a multifunctional debridement nursing frame protective cover for an operating room according to the present invention.

In the figure: 1-cleaning table, 2-cleaning tank, 3-supporting leg, 4-first mechanism, 401-first central mounting shaft, 402-first bearing seat, 403-second bearing seat, 404-third bearing seat, 405-first supporting roller, 406-first gear, 5-second mechanism, 501-second central mounting shaft, 501-fourth bearing seat, 503-fifth bearing seat, 504-sixth bearing seat, 505-second supporting roller, 506-second gear, 6-motor, 7-placing plate, 8-arc rubber strip, 9-protective cover, 10-arc groove, 11-bottom supporting plate, 12-waste water tank, 13-water purifying tank, 14-water pump, 15-water outlet nozzle, 16-hook, 17-tool groove, 18-waste tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the multifunctional debridement nursing frame for the operating room comprises a cleaning table 1, wherein a cleaning tank 2 is fixedly connected inside the cleaning table 1, a supporting leg 3 is fixedly connected at the bottom of the cleaning table 1, and a first mechanism 4 and a second mechanism 5 are arranged at the top of the cleaning table 1;

the first mechanism 4 comprises a first central mounting shaft 401, a first bearing housing 402, a second bearing housing 403, a third bearing housing 404, a first support roller 405 and a first gear 406, the first bearing housing 402 is mounted on one end of the outer surface of the first central mounting shaft 401, the third bearing housing 404 is mounted on the other end of the outer surface of the first central mounting shaft 401, the second bearing housing 403 is mounted on the outer surface of the first central mounting shaft 401, the second bearing housing 403 is located between the first bearing housing 402 and the third bearing housing 404, the first supporting roller 405 is fixedly coupled to the outer surface of the first center-mounted shaft 401, the first support roller 405 is positioned between the first bearing housing 402 and the second bearing housing 403, the first gear 406 is fixedly connected to the outer surface of the first central mounting shaft 401, and the first gear 406 is located between the second bearing block 403 and the third bearing block 404;

the second mechanism 5 comprises a second central mounting shaft 501, a fourth bearing seat 502, a fifth bearing seat 503, a sixth bearing seat 504, a second support roller 505 and a second gear 506, the fourth bearing seat 502 is mounted on one end of the outer surface of the second central mounting shaft 501, the sixth bearing housing 504 is mounted on the other end of the outer surface of the second central mounting shaft 501, the fifth bearing seat 503 is installed on the outer surface of the second central mounting shaft 501, the fifth bearing seat 503 is located between the fourth bearing seat 502 and the sixth bearing seat 504, the second support roller 505 is fixedly attached to the outer surface of the second centrally mounted shaft 501, said second support roller 505 is located between fourth bearing seat 502 and fifth bearing seat 503, the second gear 506 is fixedly connected to the outer surface of the second central mounting shaft 501, and the second gear 506 is located between the fifth bearing seat 503 and the sixth bearing seat 504;

the cleaning device comprises a cleaning table 1, a first central mounting shaft 401, a second central mounting shaft 501, a motor 6, a supporting seat, a placing plate 7, an arc-shaped groove 7, an arc-shaped rubber strip 8, a placing plate 7 and a cleaning sponge, wherein the first central mounting shaft 401 and the second central mounting shaft 501 are parallel to each other, the first central mounting shaft 401 and the second central mounting shaft 501 are positioned right above the cleaning tank 2, the first gear 406 is meshed with the second gear 506, one end of the first central mounting shaft 401 is provided with the motor 6, the bottom of the motor 6 is fixedly connected with the supporting seat, the supporting seat is fixedly connected with the cleaning table 1, the output end of the motor 6 is fixedly connected with the first central mounting shaft 401, the outer surfaces of a first supporting roller 405 and a second supporting roller 505 are fixedly connected with the cleaning sponge, the top of the cleaning table 1 is fixedly connected with the placing plate 7, the top of the placing plate 7 is provided with the arc-shaped groove, the arc-shaped rubber strip 8 is fixedly connected inside the arc-shaped groove, and the placing plate 7 is perpendicular to the first central mounting shaft 401, the cleaning table comprises a cleaning table 1, a protective cover 9 is lapped at the top of the cleaning table 1, arc-shaped grooves 10 are formed in the bottom of the protective cover 9, the number of the arc-shaped grooves 10 is four, the diameters of the four arc-shaped grooves 10 are equal, the diameters of the four arc-shaped grooves 10 are larger than the diameters of a first center mounting shaft 401 and a second center mounting shaft 501, the positions of the four arc-shaped grooves 10 correspond to the positions of the first center mounting shaft 401 and the second center mounting shaft 501 one by one, a bottom supporting plate 11 is fixedly connected to the bottom of a supporting leg 3, a waste water pipeline is connected to the bottom pipeline of the cleaning table 2, a waste water tank 12 is fixedly connected to the top of the bottom supporting plate 11, one end of the waste water pipeline is located inside the waste water tank 12, a clean water tank 13 is fixedly connected to the top of the bottom supporting plate 11, and a water pump 14 is fixedly connected to the top of the cleaning table 1, one side pipe connection of water pump 14 have first pipeline, first pipeline run through to the inside of water purification case 13, the output end fixedly connected with second pipeline of water pump 14, the one end fixedly connected with faucet 15 of second pipeline, bottom support plate 11's four locking universal wheels of bottom fixedly connected with, one side fixedly connected with couple 16 of washing tank 2, the quantity of couple 16 be a plurality of, the top of clean bench 1 seted up tool groove 17, the top of clean bench 1 seted up waste tank 18.

In summary, the multifunctional debridement nursing frame for the operating room comprises a cleaning table 1, supporting legs 3, a bottom supporting plate 11 and locking universal wheels, wherein a caregiver can push the device to a proper position, a first mechanism 4 and a second mechanism 5 are mounted on the cleaning table 1 through fixing bolts, so that the first mechanism 4 and the second mechanism 5 are parallel to each other, a first gear 406 is meshed with a second gear 506, one end of the first mechanism 4 is connected with an output end of a motor 6, the motor 6 is powered on to drive a first central mounting shaft 401 to rotate, a first bearing seat 402, a second bearing seat 403 and a third bearing seat 404 are fixedly connected to the outer surface of the first central mounting shaft 401, the first bearing seat 402, the second bearing seat 403 and the third bearing seat 404 are fixedly connected with the cleaning table 1, and the first central mounting shaft 401 drives a first supporting roller 405 and a first gear 406 to rotate, since the second gear 506 is engaged with the first gear 406 and the rotation directions of the first gear 406 and the second gear 506 are opposite, the rotation directions of the second center mounting shaft 501 and the first center mounting shaft 401 are opposite, the rotation directions of the first support roller 405 and the second support roller 505 are opposite, when viewed from above, the first support roller 405 rotates away from the second support roller 505, and the second support roller 505 rotates away from the first support roller 405, when the limbs of the patient are placed between the first support roller 405 and the second support roller 505, since the distance between the first support roller 405 and the second support roller 505 is small, the distance between the first support roller 405 and the second support roller 505 is three centimeters, when the motor 6 is in a non-energized state, the first support roller 405 and the second support roller 505 can support the limbs of the patient, so that the caregiver can clean the limbs placed on the first support roller 405 and the second support roller 505, when the motor 6 is in a power-on state, the motor 6 is powered on to drive the first supporting roller 405 and the second supporting roller 505 to slowly rotate, because the outer surfaces of the first supporting roller 405 and the second supporting roller 505 are fixedly connected with the cleaning sponge, the cleaning sponge can clean the bottom of the limb of the patient without the need of a nursing staff to reversely rotate the limb of the patient, the cleaning effect is better, the cleaning sponge is softer, the use comfort of the patient can be improved during supporting, when cleaning is carried out, the friction between the cleaning sponge containing water and the patient is smaller, the limb of the patient can not be injured, the use effect is better, the practicability of the device is greatly improved, in addition, the placing plate 7 is arranged, the arc-shaped groove is formed in the top of the placing plate 7, the arc-shaped rubber strip 8 is fixedly connected inside the arc-shaped groove, the placing plate 7 is perpendicular to the first central mounting shaft 401, place the effect that board 7 played the support to patient's limbs, cooperation first backup roll 405 and second backup roll 505 use, convenient to use, through being provided with arc rubber strip 8, the comfort level that improves patient's use, through being provided with protection casing 9, first gear 406 and second gear 506 can be hidden in the setting of protection casing 9, avoid accidental injury staff when using, the security that the device used has been improved, through being provided with couple 16, the quantity of couple 16 is a plurality of, couple 16 can be colluded the instrument that needs at the cleaning process, the practicality of the device has been improved, through being provided with tool groove 17 and waste material groove 18, the setting of tool groove 17 and waste material groove 18 is convenient for placement tool and wastes material, avoid instrument or wastes material from the landing on clean bench 1, the practicality of the device has been improved, convenient to use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.