阅读说明：本技术 一种腿部康复护理用全包裹式柔性固定护腿 (Leg rehabilitation nursing is with fixed leg guard of all wrapping up formula flexibility ) 是由 王倩倩 于 2021-09-23 设计创作，主要内容包括：本发明涉及腿部康复护理技术领域,具体地说,涉及一种腿部康复护理用全包裹式柔性固定护腿。其所述腿部护理装置至少包括,腿部外壳,紧固装置和脚板,该腿部康复护理用全包裹式柔性固定护腿中,设置的紧固装置,通过转动杆的转动可带动紧固带一端缠绕于所述转动杆,便于缩短紧固带的使用长度,从而起到稳固腿部的作用,通过向下按动转动头,使滑块位于滑槽内部向上滑动,紧固块齿块插入至转动头齿槽内部,即可对转动后的转动杆进行固定,设置的脚板,固定带便于对患者脚部进行固定,通过下连接带与所述上连接带粘合连接,同时起到了调节脚板尺寸的作用,通过滑杆的滑动,可调节脚板的使用长度,便于对不同的患者进行使用。(The invention relates to the technical field of leg rehabilitation nursing, in particular to a fully-wrapped flexible fixed leg protector for leg rehabilitation nursing. It shank nursing device includes at least, the shank shell, fastener and sole, and this shank rehabilitation nursing is with flexible leg guard of fixing of full packet mode, the fastener of setting can drive fastening area one end through the rotation of dwang twine in the dwang is convenient for shorten the live length of fastening area to play the effect of firm shank, through pressing the rotor head downwards, make the slider be located the inside lapse of spout, inside the fastening piece tooth socket inserts to the rotor head tooth's socket, can fix the dwang after the rotation, the sole of setting, the fixed band is convenient for fix patient's foot, through the lower connecting band with the upper connecting band bonding connection has played the effect of adjusting the sole size simultaneously, through the slip of slide bar, the live length of adjustable sole is convenient for use different patients.)

1. The utility model provides a leg rehabilitation nurses with fixed leg guard of flexible of full packet mode, includes shank nursing device (100), its characterized in that: the leg care device (100) comprises at least:

the leg shell (110), a placing cavity (1100) is formed in the leg shell (110), and the placing cavity (1100) is of an arc-shaped structure;

the leg fastening device comprises a fastening device (120), the fastening device (120) is provided with a plurality of fastening belts (121), the left end of each fastening belt (121) is provided with a fixing block (1211), the fixing block (1211) is fixedly connected with the left end of the leg shell (110), the right end of each fastening belt (121) is connected with a fastening block (122), each fastening block (122) is connected with the right end of the leg shell (110), a containing cavity (1220) is formed inside each fastening block (122), the upper end and the lower end of each containing cavity (1220) are respectively provided with a rotating hole (1224), each rotating hole (1224) is rotatably connected with a rotating rod (123), the side face of each fastening block (122) is provided with an opening (1223), each opening (1223) is communicated with each containing cavity (1220), and the right end of each fastening belt (121) penetrates through the opening (1223) and extends into each containing cavity (1220), the right end of the fastening belt (121) is fixedly connected with the rotating rod (123);

the foot plate (130), the upper surface of the foot plate (130) is provided with a fixing band (131), the fixing band (131) comprises a lower connecting band (1311) and an upper connecting band (1312) located above the lower connecting band (1311), the lower connecting band (1311) is fixed to the left end of the upper surface of the foot plate (130), the upper connecting band (1312) is fixed to the right end of the upper surface of the foot plate (130), the upper surface of the lower connecting band (1311) is provided with an upper rough surface (1313), the lower surface of the upper connecting band (1312) is provided with a lower hook surface (1314), the upper rough surface (1313) is connected with the lower hook surface (1314) in an adhesion mode, and the foot plate (130) is connected with the leg shell (110) through a sliding rod (132) which is arranged on the upper surface in a snapping mode.

2. The fully wrapped flexible fixed leg guard for leg rehabilitation care according to claim 1, wherein: the utility model discloses a fastening piece, including fastening piece (122), head (124) rotate, the inside spout (1240) of having seted up of head (124) rotates, through-hole (1241) have been seted up to spout (1240) bottom, dwang (123) top is equipped with slider (1231), slider (1231) run through-hole (1241) are located inside spout (1240).

3. The fully wrapped flexible fixed leg guard for leg rehabilitation care according to claim 2, wherein: the slider (1231) slide with inside through-hole (1241), fastening block (122) top is equipped with fastening block tooth block (1225), rotating head tooth's socket (1242) has been seted up to rotating head (124) bottom, rotating head tooth's socket (1242) with fastening block tooth block (1225) cooperation of pegging graft.

4. The fully wrapped flexible fixed leg guard for leg rehabilitation care according to claim 3, wherein: the front end of the fastening block (122) is provided with an inserting rod (1221), a slot (1222) is formed in the inserting rod (1221), a fixing slot (111) is formed in the right end of the leg shell (110), a fixing bolt (1111) is formed in the fixing slot (111), and the fixing bolt (1111) is in inserting fit with the slot (1222).

5. The fully wrapped flexible fixed leg guard for leg rehabilitation care according to claim 1, wherein: the inner surface of the placing cavity (1100) is provided with a pasting block (1101), the pasting block (1101) is made of sponge materials, and the pasting block (1101) is provided with a plurality of pasting blocks.

6. The fully wrapped flexible fixed leg guard for leg rehabilitation care according to claim 5, wherein: a spring (1104) is arranged on the surface of one side of the fitting block (1101), and one end of the spring (1104) is fixedly connected with the inner surface of the placing cavity (1100).

7. The fully wrapped flexible fixed leg guard for leg rehabilitation care according to claim 1, wherein: both ends of the leg shell (110) are provided with sliding columns (112), and the sliding rods (132) are located inside the sliding columns (112) to slide.

8. The fully wrapped flexible fixed leg guard for leg rehabilitation care according to claim 7, wherein: slide bar (132) top is equipped with slide bar stopper (1321), avoids inside slide bar (132) roll-off traveller (112), slide bar recess (1320) have been seted up to slide bar (132) front side surface, traveller screw hole (1120) have been seted up to traveller (112) bottom, traveller screw hole (1120) internal thread is connected with bolt (1121), bolt (1121) with slide bar recess (1320) grafting cooperation.

9. The fully wrapped flexible fixed leg guard for leg rehabilitation care according to claim 1, wherein: the front surface of the placing cavity (1100) is provided with a ventilation groove (1102), the outer surface of the ventilation groove (1102) is provided with a sealing sticker (113), the outer side of the inner surface of the sealing sticker (113) is provided with a sealing sticker hook surface (1131), the outer side of the leg shell (110) located on the ventilation groove (1102) is provided with a ventilation groove rough surface (1103), and the sealing sticker hook surface (1131) is connected with the ventilation groove rough surface (1103) in an adhering mode.

10. The fully wrapped flexible fixed leg guard for leg rehabilitation care according to claim 1, wherein: a heating groove (1300) is formed in the foot plate (130), and a heating plate (1301) is bonded in the heating groove (1300).

Technical Field

The invention relates to the technical field of leg rehabilitation nursing, in particular to a fully-wrapped flexible fixed leg protector for leg rehabilitation nursing.

Background

Fracture refers to complete or partial fracture of the continuity of bone structure, most of which appears in children and the elderly, and through investigation, patients often have fracture at one part, and a few have multiple fractures, and if the treatment is proper, the fracture parts of most of patients can recover to the original functions; proper rehabilitation exercise is performed after injury, so that the stability of joints can be enhanced, the metabolism and nutrition of injured tissues can be improved, the healing of injury can be accelerated, and the unification of functions, forms and structures can be promoted;

general shank rehabilitation nursing need use the leg guard, fixes the back to the shank, carries out rehabilitation training through simple action, but current leg guard mode, and it is general all that the gypsum is fixed, and it is poor to have the gas permeability, and inconvenient the regulation is unfavorable for patient's training, increases recovered time, consequently, needs a novel flexible fixed leg guard to improve the not enough of prior art.

Disclosure of Invention

The invention aims to provide a fully-wrapped flexible fixed leg protector for leg rehabilitation nursing, which aims to solve the problems in the background technology.

In order to achieve the above object, the present invention provides a fully wrapped flexible fixed leg protector for leg rehabilitation nursing, the leg nursing device at least comprising:

the leg shell is internally provided with a placing cavity which is of an arc structure, is convenient to attach to the leg and plays a role in placing the leg of a patient;

the fastening device is provided with a plurality of fastening devices, each fastening device comprises a fastening belt, a fixed block is arranged at the left end of each fastening belt, the fixed block is fixedly connected with the left end of the leg shell to facilitate the connection between the fastening device and the leg shell, the right end of each fastening belt is connected with a fastening block, the fastening block is connected with the right end of the leg shell, a containing cavity is formed in the fastening block, rotating holes are formed in the upper end and the lower end of the containing cavity, a rotating rod is rotatably connected in the rotating holes, an opening is formed in the side surface of the fastening block and communicated with the containing cavity, the right end of each fastening belt penetrates through the opening and extends into the containing cavity, the right end of each fastening belt is fixedly connected with the rotating rod, and one end of each fastening belt can be driven to be wound on the rotating rod through the rotation of the rotating rod to facilitate the shortening of the use length of the fastening belt, thereby playing a role of stabilizing the legs;

the sole, the sole upper surface is equipped with the fixed band, the fixed band includes lower connecting band and the upper connecting band that is located the connecting band top down, the lower connecting band fixed with the upper surface left end of sole, the upper connecting band fixed with the upper surface right-hand member of sole, the connecting band upper surface is equipped with the matte down, the upper connecting band lower surface is equipped with down colludes the face, go up the matte with collude the face bonding connection down, be convenient for fix patient's foot, played the effect of adjusting the sole size simultaneously, be convenient for use the patient of difference, the sole rush to break through the upper surface the slide bar that is equipped with connect between the shank shell.

When the leg nursing device is used specifically, firstly, the leg of the patient is placed in the placing cavity, the leg of the patient is positioned between the placing cavity and the fastening device, the foot of the patient is positioned on the upper surface of the foot plate, the abdomen of the leg of the patient is clung to the surface of the placing cavity, then the rotating rod is rotated clockwise, so that the rotating rod is positioned in the rotating hole to rotate, the fastening belt is driven to surround the surface of the rotating rod through the rotation of the rotating rod, the length of the fastening belt is slowly shortened at the moment, the whole fastening belt is close to the placing cavity, when the fastening belt moves to be tightly attached to the leg of the patient, then, need fix patient's foot, will hold down connecting band one end earlier and draw close to the instep, make it hug closely on the instep, and the connecting band one end draws close to the connecting band direction down again, draws and colludes the face down and go up the matte and laminate, can accomplish the use work of shank nursing device.

As a further improvement of the technical scheme, the top end of the fastening block is connected with a rotating head, a sliding groove is formed in the rotating head, a through hole is formed in the bottom end of the sliding groove, a sliding block is arranged at the top end of the rotating rod, the sliding block penetrates through the through hole and is located in the sliding groove, the rotating rod can be driven to rotate through rotation of the rotating head, and the rotating rod convenient to use.

As a further improvement of this technical scheme, the slider slide with inside the through-hole, the fastening block top is equipped with fastening block tooth socket, the first tooth's socket of rotating has been seted up to the rotating head bottom, rotate the first tooth's socket with the cooperation of pegging graft of fastening block tooth socket, through pressing down the rotating head, make the slider be located the inside lapse of spout, inside the fastening block tooth socket inserts to rotating the first tooth's socket, can fix the dwang after rotating.

As a further improvement of the technical scheme, the front end of the fastening block is provided with an insert rod, a slot is formed in the insert rod, a fixing slot is formed in the right end of the leg shell, a fixing bolt is arranged in the fixing slot, the fixing bolt is in inserting connection with the slot, the leg shell and the fastening device are conveniently connected, and the leg nursing device is favorably dismantled.

As a further improvement of the technical scheme, the inner surface of the placing cavity is provided with a fitting block which is made of sponge, and the fitting block is provided with a plurality of pieces which are convenient for stabilizing legs of a patient.

As a further improvement of the technical scheme, a spring is arranged on one side surface of the attaching block, one end of the spring is fixedly connected with the inner surface of the placing cavity, and the spring is used for facilitating the movement of a patient to achieve the massage effect.

As a further improvement of the technical scheme, sliding columns are arranged at two ends of the leg shell, the sliding rods are located inside the sliding columns to slide, the using length of the foot plate can be adjusted through the sliding of the sliding rods, and the leg shell can be used for different patients conveniently.

As a further improvement of the technical scheme, the top end of the sliding rod is provided with a sliding rod limiting block, so that the sliding rod can be prevented from sliding out of the sliding column, a sliding rod groove is formed in the front side surface of the sliding rod, a sliding column threaded hole is formed in the bottom end of the sliding column, a bolt is connected to the inside of the sliding column threaded hole in a threaded manner, the bolt is in plug-in fit with the sliding rod groove, the bolt can be rotated to the inside of the sliding rod groove through the bolt and the thread of the sliding column threaded hole, and the effect of fixing the sliding rod is achieved.

As a further improvement of the technical scheme, the front surface of the placing cavity is provided with a ventilating groove to play a ventilating role, the outer surface of the ventilating groove is provided with a sealing sticker, the outer side of the inner surface of the sealing sticker is provided with a sealing sticker surface, the leg shell is positioned on the outer side of the ventilating groove and is provided with a ventilating groove rough surface, and the sealing sticker surface is in bonding connection with the ventilating groove rough surface to facilitate the sealing of the ventilating groove.

As a further improvement of the technical scheme, a heating groove is formed in the foot plate, a heating plate is bonded in the heating groove, iron powder, activated carbon and salt are arranged in the heating plate, the heating plate is in contact with air, internal materials of the heating plate can be heated when encountering oxygen, and heat can be transferred to the feet of patients through the foot plate to play a role in heating.

Compared with the prior art, the invention has the beneficial effects that:

1. during this shank rehabilitation nursing is with flexible leg guard of fixing of full package formula, the fastener of setting can drive fastening area one end through the rotation of dwang twine in the dwang is convenient for shorten the use length in fastening area to play the effect of firm shank, through pressing the rotor downwards, make the slider be located the inside upwards slip of spout, inside fastening piece tooth socket inserted to the rotor tooth's socket, can fix the dwang after the rotation.

2. In this shank rehabilitation nursing is with flexible leg guard of fixing of full packet of formula, the sole of setting, the fixed band is convenient for fix patient's foot, through the lower connecting band with go up connecting band adhesive connection, played the effect of adjusting the sole size simultaneously, through the slip of slide bar, the use length of adjustable sole is convenient for use the patient of difference. A

3. In this shank rehabilitation nursing is with flexible leg guard of fixing of full packet of formula, the chamber of placing of setting places the chamber front surface and has seted up ventilative groove, has played ventilative effect, is connected with ventilative groove hair face bonding through sealing the subsides hook face, is convenient for seal ventilative groove.

4. This shank rehabilitation nursing is with flexible leg guard of fixing of full packet of formula, the hot plate of setting, the hot plate is inside to be equipped with iron powder, active carbon and salt, through hot plate and air contact, can make its inside material meet oxygen and generate heat, and heat accessible sole passes to patient's foot, has played the effect of heating.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

fig. 2 is a schematic structural view of a leg shell of embodiment 1;

FIG. 3 is a schematic view of a strut structure according to embodiment 1;

FIG. 4 is a schematic view of the structure of the lamination block of embodiment 1;

FIG. 5 is a schematic view of the closure of example 1;

FIG. 6 is a schematic view of the structure of the fastening device of embodiment 1;

FIG. 7 is a schematic view showing the structure of the fastening tape of embodiment 1;

FIG. 8 is a schematic view of the structure of a fastening block of embodiment 1;

FIG. 9 is a schematic view of a rotary head structure according to embodiment 1;

fig. 10 is a schematic view of the structure of a foot plate of embodiment 1;

FIG. 11 is a schematic view showing the structure of a fastening tape according to embodiment 1;

FIG. 12 is a schematic view of the slide bar structure of example 1.

The various reference numbers in the figures mean:

100. a leg care device;

110. a leg housing; 1100. a placement chamber; 1101. fitting blocks; 1102. a ventilation groove; 1103. a rough surface of the air-permeable groove; 1104. a spring;

111. fixing grooves; 1111. fixing the bolt;

112. a traveler; 1120. a sliding column threaded hole; 1121. a bolt;

113. sealing and sticking; 1131. closing and sticking the hook surface;

120. a fastening device;

121. a fastening tape; 1211. a fixed block;

122. a fastening block; 1220. a receiving cavity; 1221. inserting a rod; 1222. a slot; 1223. an opening; 1224. rotating the hole; 1225. a fastening block tooth block;

123. rotating the rod; 1231. a slider;

124. rotating the head; 1240. a chute; 1241. a through hole; 1242. a rotating head tooth groove;

130. a foot plate; 1300. a heating tank; 1301. heating plates;

131. fixing belts; 1311. a lower connecting belt; 1312. an upper connecting belt; 1313. coating a rough surface; 1314. hooking the surface;

132. a slide bar; 1320. a slide bar groove; 1321. slide bar stopper.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Example 1

Referring to fig. 1 to 12, in the present embodiment, a fully-wrapped flexible fixed leg protector for leg rehabilitation is provided, and the leg nursing device 100 at least includes:

the leg shell 110 is provided with a placing cavity 1100 inside the leg shell 110, and the placing cavity 1100 is of an arc-shaped structure, so that the leg shell is convenient to attach to a leg and plays a role in placing the leg of a patient;

the fastening device 120, the fastening device 120 is provided with a plurality of fastening devices 120, each fastening device 120 comprises a fastening belt 121, a fixing block 1211 is arranged at the left end of each fastening belt 121, the fixing block 1211 is fixedly connected with the left end of the leg shell 110 to facilitate connection between the fastening device 120 and the leg shell 110, a fastening block 122 is connected at the right end of each fastening belt 121, the fastening block 122 is connected with the right end of the leg shell 110, a containing cavity 1220 is formed inside the fastening block 122, rotating holes 1224 are formed at the upper end and the lower end of each containing cavity 1220, rotating rods 123 are rotatably connected inside the rotating holes 1224, an opening 1223 is formed in the side face of each fastening block 122 and communicated with the containing cavity 1220, the right end of each fastening belt 121 penetrates through the opening 1223 and extends into the containing cavity 1220, the right end of each fastening belt 121 is fixedly connected with the rotating rods 123, one end of each fastening belt 121 can be driven to be wound on the rotating rods 123 through rotation of the rotating rods 123 to facilitate shortening of the length of the fastening belts 121, thereby playing a role of stabilizing the legs;

footboard 130, footboard 130 upper surface is equipped with fixed band 131, fixed band 131 includes lower connecting band 1311 and the upper connecting band 1312 that is located the lower connecting band 1311 top, the fixed upper surface left end with footboard 130 of lower connecting band 1311, the fixed upper surface right-hand member with footboard 130 of upper connecting band 1312, lower connecting band 1311 upper surface is equipped with feather surface 1313, the lower surface of upper connecting band 1312 is equipped with down hook surface 1314, go up feather surface 1313 and lower hook surface 1314 bonding connection, be convenient for fix patient's foot, the effect of adjusting footboard 130 size has been played simultaneously, be convenient for use different patients, footboard 130 is robbed to break through the upper surface and is connected between slide bar 132 and the shank shell 110 that is equipped with.

When the leg nursing device 100 in this embodiment is used specifically, first, the leg of the patient is placed in the placing cavity 1100, the leg of the patient is located between the placing cavity 1100 and the fastening device 120, the foot of the patient is located on the upper surface of the foot plate 130, the abdomen of the leg of the patient is tightly attached to the surface of the placing cavity 1100, then the rotating rod 123 is rotated clockwise, the rotating rod 123 is located inside the rotating hole 1224 to rotate, the fastening belt 121 is driven to surround the surface of the rotating rod 123 by the rotation of the rotating rod 123, the length of the fastening belt 121 is gradually shortened to be entirely closed towards the placing cavity 1100, when the fastening belt 121 moves to be tightly attached to the leg of the patient, then, the foot of the patient needs to be fixed, one end of the lower connecting belt 1311 is pinched towards the instep to be tightly attached to the instep, one end of the upper connecting belt 1312 is pulled towards the lower connecting belt 1311, and the lower hooking surface 1314 is pulled to be tightly attached to the upper rough surface 1313, the use of the leg care apparatus 100 can be completed.

Further, the top end of the fastening block 122 is connected with the rotating head 124, the inside chute 1240 that has been seted up of the rotating head 124, the through hole 1241 has been seted up to the chute 1240 bottom end, the top end of the rotating rod 123 is equipped with the slider 1231, the slider 1231 runs through the through hole 1241 and is located inside the chute 1240, the rotation through the rotating head 124 can drive the rotating rod 123 to rotate, and the rotating rod 123 of being convenient for is used.

Specifically, slider 1231 slides inside with through-hole 1241, fastening block 122 top is equipped with fastening block tooth piece 1225, the first tooth groove 1242 of rotating has been seted up to the first 124 bottom of rotating, the first tooth groove 1242 of rotating is pegged graft with fastening block tooth piece 1225 and is cooperated, through pressing down the rotating head 124, make slider 1231 be located the inside upwards slip of spout 1240, fastening block tooth piece 1225 inserts to the first tooth groove 1242 inside, can fix the dwang 123 after rotating.

In addition, the front end of the fastening block 122 is provided with an insertion rod 1221, the insertion slot 1222 is formed in the insertion rod 1221, the right end of the leg shell 110 is provided with the fixing slot 111, the fixing slot 111 is provided with a fixing bolt 1111, and the fixing bolt 1111 is in insertion fit with the insertion slot 1222, so that the leg shell 110 and the fastening device 120 can be conveniently connected, and the detachment work of the leg nursing device 100 is facilitated.

In addition, place chamber 1100 internal surface and be equipped with laminating piece 1101, laminating piece 1101 is the sponge material, and laminating piece 1101 is equipped with a plurality of, is convenient for stabilize patient's shank.

Furthermore, a spring 1104 is arranged on the surface of one side of the attaching block 1101, one end of the spring 1104 is fixedly connected with the inner surface of the placing cavity 1100, and the spring 1104 has an elastic force effect, so that the patient can conveniently move and has a massage effect.

Specifically, the leg housing 110 has two ends each provided with a sliding column 112, the sliding rod 132 is located inside the sliding column 112 to slide, and the sliding rod 132 can adjust the length of the foot plate 130 for different patients.

In addition, a slide rod limiting block 1321 is arranged at the top end of the slide rod 132 to prevent the slide rod 132 from sliding out of the slide column 112, a slide rod groove 1320 is formed in the front side surface of the slide rod 132, a slide column threaded hole 1120 is formed in the bottom end of the slide column 112, a bolt 1121 is in threaded connection with the inside of the slide column threaded hole 1120, the bolt 1121 is in inserted connection with the slide rod groove 1320, the bolt 1121 can be rotated to the inside of the slide rod groove 1320 through threaded rotation of the bolt 1121 and the slide column threaded hole 1120, and the effect of fixing the slide rod 132 is achieved.

In addition, place the chamber 1100 front surface and seted up ventilative groove 1102, played ventilative effect, ventilative groove 1102 outer surface is equipped with seals 113, seals 113 internal surface outsides and is equipped with and seals hook surface 1131, and leg shell 110 is located the outside of ventilative groove 1102 and is equipped with ventilative groove matte 1103, seals hook surface 1131 and ventilative groove matte 1103 adhesive connection, is convenient for seal ventilative groove 1102.

Further, the heating groove 1300 has been seted up to sole 130 is inside, and the inside bonding of heating groove 1300 has hot plate 1301, and the inside iron powder, active carbon and salt that are equipped with of hot plate 1301, through hot plate 1301 and air contact, can make its inside material generate heat when meeting oxygen, and heat accessible sole 130 passes to patient's foot, has played the effect of heating.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.