Disclosure of Invention
In order to solve the technical problems, the invention provides a multifunctional training device for finger rehabilitation, which aims to solve the problems that the existing finger rehabilitation training device cannot adjust the training intensity, cannot adjust according to the finger recovery condition, cannot adjust the finger gripping training or the finger stretching training according to the requirement, and cannot promote the blood circulation and train the finger touch ability when in use.
The invention relates to a multifunctional training device for finger rehabilitation, which is achieved by the following specific technical means:
the utility model provides a multi-functional training device for finger rehabilitation, which comprises a main body, a first group of pulling parts, a second group of pulling parts, a first group of top parts, a second group of top parts and a kit, wherein the first group of pulling parts and the second group of pulling parts are respectively arranged on two opposite sides of the main body, the first ends of the pulling parts of the two groups of pulling parts are arranged on the main body and can slide relative to the main body, the second ends of the pulling parts of the two groups of pulling parts are connected with the kit, the pulling parts of the two groups of pulling parts are arranged in a one-to-one correspondence manner, the two corresponding pulling parts of the two groups of pulling parts are connected with two opposite sides of the kit, the kit is used for accommodating and fixing fingers, the first group of top parts and the second group of top parts are arranged on the main body, the first group of top parts is matched with the first group of pulling parts for use, the second group of top parts is matched with the second group of pulling parts for use, the top parts are arranged in a one-to-pull parts, the device is used for providing a jacking force for the pulling piece;
the pulling pieces are made of elastic materials, and at least one of the first group of pulling pieces and the second group of pulling pieces is tightly locked by the tightening pieces in use.
Preferably, the pulling member is made of a material having a certain elasticity.
Preferably, two corresponding pulling pieces of the two groups of pulling pieces, the corresponding sleeve pieces and the corresponding jacking pieces form a training unit.
Preferably, the pulling piece is the banding structure of flat partially, including straightway and the segmental bend of being connected with the straightway, the segmental bend becomes angle of predetermineeing to the straightway and buckles, the free end of the segmental bend of two pulling pieces of a training unit gathers together and connects on the periphery wall of external member, the straightway interval of two pulling pieces predetermines the parallel arrangement each other of distance, forms the structure of house hunch canopy form, the straightway slidable is located in the main part, the tight piece in top is used for the top tightly on the straightway.
Preferably, the preset angle may be selected to be 135 ° to 170 °.
Preferably, the free end of the straightway of the pulling part is provided with a stop dog, two stop dogs are arranged on two sides of the bottom of the pulling part, the outer end of each stop dog is of an arc-shaped structure, and the stop dogs are used for limiting.
Preferably, the tightening piece comprises a rectangular block, stress plates, a contact piece, a pulling piece and a spring, the stress plates are respectively arranged on two sides of the rectangular block in the first direction and are of a rectangular plate-shaped structure;
be equipped with two contacts on the first terminal surface in the second direction of rectangular block, and the contact is the wedge structure to the tip of contact is equipped with align to grid's wedge groove, draws the piece to locate the ascending second end in the second direction of rectangular block, and on the atress board was located to the spring, the one end of spring was connected in one side that the atress board deviates from the contact, and the other end of spring is used for the top to locate on the wall of atress groove, and wherein, first direction and second direction are perpendicular.
Preferably, each atress inslot is equipped with top piece, and the first end slidable in the second direction of top piece is located the atress inslot, and the second end in the second direction of top piece, the drawing piece of top piece pass the rectangular hole in the main part and expose the main part promptly, and this rectangular hole is seted up on the outer terminal surface of main part and is link up and perpendicular setting with the atress groove, and the drawing piece can use the rectangular hole to slide along the rectangular hole as the direction.
Compared with the prior art, the invention has the following beneficial effects:
1. in the device, a top tightening piece is arranged and is arranged in a stress groove, so that the top tightening piece can receive the power of a spring through a stress plate, so that the contact piece can be contacted with the pulling piece, and the contact piece can automatically fix the pulling piece after the position of the pulling piece is adjusted, so that the pulling piece can be fixed conveniently and fixedly, further adjusting the training intensity to ensure that the fingers can be effectively trained, and when the device is used for open training or closed training, the single-side pulling piece can be controlled to be fixed by the contact piece, so that the fingers can perform opening or closing training through the pulling piece, the stress plate is arranged in the stress groove, so that the stress plate can receive the power of the spring to drive the top piece to move, the contact piece is arranged at the inner end of the top clamping piece and is contacted and fixed with the pulling piece;
2. in the device, a sleeve is arranged and is used for being arranged at the top end of a pulling part, so that the sleeve can be sleeved at the position of a human finger to further carry out convenient training, when the device is used for training the finger, the sleeve can be pulled to enable balls in the sleeve to be contacted with the human finger, so that the balls can assist in massaging the finger and promote blood circulation of the finger, so that the finger can recover faster, auxiliary grooves are arranged at two sides of the sleeve to enable two sides of the sleeve to pass through, lantern rings are arranged at the bottom of the sleeve to enable the lantern rings to be contacted with the human finger in an assisting mode, so that the lantern rings can be positioned above the knuckle of the human finger, so that the sleeve is fixed in an assisting mode, so that the fixing effect is better, the inner bin is used for fixing the balls, so that the balls can be fixedly used in the inner bin, and the balls are used in training the finger, the sleeve can be pulled, so that the balls can assist in massaging fingers, and further assist in promoting blood circulation.
3. According to the specific training stage and training requirements of the rehabilitee, a corresponding training mode is selected, one of a single-finger passive training mode, a single-finger active training mode, a multi-finger small-amplitude active training mode and a multi-finger large-amplitude active training mode can be selected, and combined training in multiple modes can be selected.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 9:
the invention provides a multifunctional training device for finger rehabilitation, which comprises a main body 1, a first group of pulling parts, a second group of pulling parts, a first group of top parts, a second group of top parts and a sleeve part 7, wherein the first group of pulling parts and the second group of pulling parts are respectively arranged on two opposite sides of the main body 1, the first ends of the pulling parts of the two groups of pulling parts are arranged on the main body 1 and can slide relative to the main body 1, the second ends of the pulling parts of the two groups of pulling parts are respectively connected with the sleeve part 7, the pulling parts of the two groups of pulling parts are arranged in a one-to-one correspondence manner, the two corresponding pulling parts of the two groups of pulling parts are connected with two opposite sides of the sleeve part 7, the sleeve part 7 is used for accommodating and fixing fingers, the first group of top parts and the second group of top parts are both arranged on the main body 1, the first group of top parts are matched with the first group of pulling parts for use, the second group of top parts are matched with the second group of pulling parts for use, the top parts and the pulling parts are arranged in a one-to one correspondence manner, the device is used for providing a jacking force for the pulling piece; the pulling pieces are made of elastic materials, and at least one of the first group of pulling pieces and the second group of pulling pieces is tightly locked by the tightening pieces in use.
In use, one of the first and second sets of pulling members faces the back of the training hand (i.e. the hand on which the training apparatus is worn) and the other faces the centre of the training hand, with the pulling member set which is locked against being pushed against facing the back of the hand.
In this embodiment, the pulling member 5 is made of a material having a certain elasticity and strength, such as a plastic material or a rubber material having a certain elasticity and strength, or an elastic metal plate.
Two corresponding pulling pieces 5 of the two groups of pulling pieces, the corresponding sleeve piece 7 and the corresponding jacking piece 4 form a training unit. In this embodiment, there are four training units, the four training units correspond to four fingers, and the four training units are sequentially arranged in an array.
Pulling 5 is the banding structure of flat partially, include straightway and the bending segment of being connected with the straightway, the bending segment becomes the angle of predetermineeing to buckle relatively to the straightway, should predetermine the angle and can select 135 to 170, the free end of the bending segment of two pulling of a training unit gathers together and connects on the periphery wall of external member 7, the straightway interval of two pulling pieces is predetermine the parallel arrangement each other of distance, form the structure of house hunch canopy form, the straightway slidable is located on main part 1, top tight piece 4 is used for the top tightly on the straightway. The free end of the straight line segment of the pulling piece 5 is provided with a stop dog 501, two stop dogs 501 are arranged on two sides of the bottom of the pulling piece 5, the outer end of each stop dog 501 is of an arc-shaped structure, the stop dogs 501 are used for limiting, and the pulling piece 5 is prevented from being separated during training.
As a preferential mode, a wedge-shaped part 500 is arranged on the abutting surface of the straight line section and the tightening piece 4, the large end of the wedge-shaped part 500 is close to the free end of the straight line section, and the wedge-shaped part 500 is gradually reduced from the free end of the straight line section to the other end of the straight line section (namely, the end of the straight line section connected with the bending section). The wedge 500 is provided to facilitate the relative sliding of the rectilinear segment with the top element, as well as the locking of the pull element 5 itself, in cooperation with the auxiliary element 6.
The top tightening member 4 comprises a rectangular block 400, a stress plate 402, a contact element 401, a pulling element 403 and a spring, wherein the stress plate 402 is respectively arranged on two sides of the rectangular block 400 in the first direction, and the stress plate 402 is in a rectangular plate-shaped structure; be equipped with two contacts 401 on the first end terminal surface in the second direction of rectangular block 400, and contact 401 is the wedge structure, and the tip of contact 401 is equipped with align to grid's wedge groove, draw piece 403 to locate the second end in the second direction of rectangular block 400, the spring is located on atress board 402, the one end of spring is connected in one side that atress board 402 deviates from contact 401, the other end of spring is used for the top to locate on the wall of atress groove 2, wherein, first direction and second direction are perpendicular. Each atress groove 2 is equipped with a holding member 4, and the first end slidable in the second direction of holding member 4 locates in atress groove 2, and the second end in the second direction of holding member 4, the piece 403 that draws that holds member 4 promptly passes the rectangular hole on main part 1 and exposes main part 1, and this rectangular hole is seted up on the outer terminal surface of main part 1 and is link up and perpendicular setting with atress groove 2, draws the piece 403 and can use the rectangular hole to slide along the rectangular hole as the direction. Specifically, the rectangular block 400, the contact element 401, the stress plate 402 and the spring of the tightening member 4 form an embedded whole, the embedded whole is embedded into the stress groove 2, wherein one end of the spring is propped against the stress plate 402, the other end of the spring is propped against the inner wall of the stress groove 2, and under the action of the spring, the tightening member 4 is pushed forward and pressed on the pulling member 5, so that the pulling member 5 is fixed on the main body 1 in an extruding manner.
The pulling member 403 is a T-shaped structure, the pulling member 403 is disposed at an outer end of the pushing member 4, and the pulling member 403 is disposed at an outer end of the pushing member 4, so that the pulling member 403 can conveniently drive the pushing member 4 to move outwards, and further conveniently release the fixing of the pulling member 5.
The external member 7 comprises auxiliary grooves 701, lantern rings 702, an inner bin 703 and balls 704, the external member 7 is of a cylindrical structure, the external member 7 is made of elastic materials, two auxiliary grooves 701 are arranged on two sides of the middle of the external member 7, the lantern rings 702 are arranged at the bottom of the external member 7 and are made of rubber bands, and the inner bin 703 is arranged inside the external member 7; the sleeve 7 is arranged at the top end of the main body 1, two sides of the sleeve 7 are connected with the top end of the pulling piece 5, the sleeve 7 is arranged at the top end of the pulling piece 5, so that the sleeve 7 can be sleeved at the position of a human finger, and further the training is convenient, when the device trains the finger, the sleeve 7 is pulled, so that the balls 704 in the sleeve 7 can be contacted with the human finger, the balls 704 can assist in massaging the finger and promote the blood circulation of the finger, so that the finger recovery speed is higher, the auxiliary grooves 701 are arranged at two sides of the sleeve 7, so that the finger condition can be observed, the lantern ring 702 is arranged at the bottom of the sleeve 7, so that the lantern ring 702 can assist in being contacted with the human finger, so that the lantern ring 702 can be arranged above the knuckle of the human finger, and further the sleeve 7 is fixed, so that the fixing effect is better, and the inner bin 703 is used for fixing the balls 704, so that the ball 704 can be used fixedly therein. The balls 704 are spherical structures, the balls 704 are made of hard materials, the balls 704 are uniformly arranged and fixed inside the inner chamber 703, and the balls 704 can be pulled when training fingers, so that the balls 704 can assist in massaging fingers and further assist in promoting blood circulation.
The main body 1 comprises a connecting band 101 and side plates 102, the main body 1 comprises two T-shaped structures which are arranged oppositely, the side edges of the two T-shaped structures are provided with the side plates 102, and the side plates 102 of the two T-shaped structures are arranged at intervals in a preset distance. Four rectangular holes have all been seted up to the lateral surface of two T shape structures, two respective bulge of T shape structure set up relatively, and seted up curved interior concave part on respective bulge's the terminal surface, the interior concave part of same T shape structure sets up with the rectangular hole relatively, the one end of the interior concave part of two T shape structures is connected through connecting band 101, connecting band 101 is elasticity cloth material, the other end of the interior concave part of two T shape structures is through bonding vice, for example the magic is pasted and is connected, thus, make between the interior concave part of two T shape structures cooperate to use to form and be used for holding the chamber that holds of training person's wrist, and fix the wrist of training person through holding the chamber. The side plate 102 is a rectangular plate-shaped structure, and the side plate 102 is used for mounting the clip 3, so that the clip 3 can be mounted for use.
Wherein, the outward flange department that atress groove 2 seted up in T shape structure just link up T shape structure, atress groove 2 is located one side of the inner groovy of T shape structure, and the direction of link up of atress groove 2 is parallel with the extending direction who holds the chamber, the opening direction is the same with the opening direction who holds the chamber promptly, atress groove 2 is roughly chinese style of calligraphy structure, including the main tank and with the main tank intercommunication and the perpendicular sub-tank that sets up, the size of sub-tank matches with the embedding end size of tight piece 4 in top, make the embedding end of top tight piece 4 can hold in the sub-tank, and atress groove 2 is linked together with the rectangular hole of main part 1, specifically the sub-tank that is atress groove 2 is linked together with the rectangular hole of main part 1.
Wherein, the clamping device 3 comprises a first clamping unit and a second clamping unit which are arranged oppositely, the two clamping units are respectively arranged on a side plate 102 of a T-shaped structure which respectively corresponds to the two clamping units, the two clamping units respectively comprise an inner part 301, a pulling frame 302 and a clamping spring, the pulling frame 302 comprises an outer sleeve part and a rod frame which can be slidably arranged on the outer sleeve part, the rod frame can be slidably arranged on the T-shaped structure, the first end of the rod frame is exposed out of the outer side surface of the side plate 102, the second end of the rod frame penetrates through the side plate 102 and is arranged close to the other clamping unit, the second end of the rod frame penetrates through the outer sleeve part and is connected with the inner part 301, the rod frame can slide relative to the outer sleeve part, the clamping spring is sleeved on the rod frame, one end of the clamping spring is arranged on the inner side surface of the side plate 102, the other end of the clamping spring is arranged on the outer sleeve part, the inner part 301 can be accommodated in the outer sleeve part under the action of the clamping spring, a clamping groove is arranged on the inner part 301, and is used for clamping a mobile phone or a panel and the like to watch terminal, the inner piece 301 is made of an elastic material such as silicone rubber. In this embodiment, the rod frame comprises three round rods arranged in parallel and a rectangular rod connecting the three round rods, so that the rod frame forms an m-shaped structure, and the clamping spring is sleeved on the middle round rod of the three round rods. The side plate 102 is provided with a side hole 201, the side hole 201 is of a cylindrical structure, and the side hole 201 is used for allowing a round rod of the pull frame 302 to pass through, so that the round rod can guide and move the clamping piece 3.
When a user needs to watch videos for training, the two clamping units are spaced by the outer pull rod frame, then the two opposite sides of the mobile phone in the width direction are clamped in the clamping grooves of the two inner pieces 301, and the mobile phone is fixed through the two clamping units; when the thickness of the mobile phone is larger, the outer pull rod frame is pulled out, the outer sleeve piece is separated from the inner piece 301 through fingers, the two opposite sides in the width direction of the mobile phone are clamped into the clamping grooves of the inner piece, at the moment, the two sides of the clamping grooves of the two inner pieces 301 are opened towards the outer side under the action of the extrusion force of the mobile phone, then the outer sleeve piece is loosened, the outer sleeve piece is sleeved outside the inner piece 301 again under the action of the clamping spring, then the rod frame is loosened, the outer sleeve piece is pushed inside the clamping spring, the outer sleeve piece extrudes the inner piece 301, and therefore the mobile phone is fixed, and therefore the clamping piece 3 can fix mobile phones with different thicknesses, such as mobile phones with thick leather covers. This folder 3 makes when training the finger, can be fixed with the cell-phone, and then guides the training according to the cell-phone video, and the outer end both sides of internals 301 are the slope column structure, in order to make the cell-phone embedding, can the direction insert for the internals 301 of silica gel material can be with the firm fixed of cell-phone.
Furthermore, the multifunctional training device also comprises an auxiliary piece 6, wherein the auxiliary piece 6 is sleeved on the first group of pulling pieces and the second group of pulling pieces respectively, the position of the auxiliary piece 6 relative to the pulling pieces 5 is adjustable, namely the auxiliary piece 6 is arranged on the pulling pieces in an adjustable position, the auxiliary piece 6 comprises an inner groove 601 and an embedded groove 602 communicated with the inner groove 601, the inner groove 601 and the embedded groove 602 are vertically arranged, the number of the inner groove 601 and the embedded groove 602 is 4 respectively, the auxiliary piece 6 is arranged corresponding to the four pulling pieces 5 of each group, the auxiliary piece 6 is of a rectangular plate-shaped structure, the four inner grooves 601 are arranged in the auxiliary piece 6, and the inner groove 601 is of a rectangular structure and used for the penetration of the pulling pieces; the inside of auxiliary member 6 is equipped with four embedded grooves 602, and embedded groove 602 matches with people's finger head portion to make the finger can the head insert, wherein, auxiliary member 6 specifically presss from both sides and locates on the bending section of each pulling part 5. The auxiliary member 6 is made of a material having a certain elasticity, such as rubber, and the size of the inner groove 601 is slightly smaller than that of the pulling member 5 so that the pulling member 5 can be wrapped therein to provide a certain clamping force to the pulling member 5, and the auxiliary member 6 is provided on the pulling member 5 by the clamping force. When the clamping force is overcome, the auxiliary part 6 slides, the position of the auxiliary part 6 on the pulling part can be adjusted, and different training modes and different training effects are realized by matching the two auxiliary parts 6 on the two groups of pulling parts. Specifically, through adjusting two auxiliary members 6, the cooperation is used between two auxiliary members 6, according to different training stages and training requirements, realizes following several training modes:
single finger passive training mode: when the finger rehabilitation training person is in the primary training stage of rehabilitation, select the passive training mode of single finger, will move the auxiliary member 6 adjustment on a set of pulling piece towards the back of the hand of training hand to the terminal surface of main part 1, wedge 500 on auxiliary member 6 and the pulling piece 5 straightway locks this set of pulling piece 5 this moment, make each pulling piece dispersion setting, at this moment, external load power during training is minimum, be convenient for train, then one of them pulling piece 5 in a set of pulling piece towards the palm of the hand of training hand trains the finger that corresponds, can train each finger in proper order or train to certain finger through this mode.
Single finger active training mode: when the finger rehabilitation trainer is in a middle-level rehabilitation training stage, a single-finger active training mode is selected, the auxiliary piece 6 on the group of pulling pieces facing to the palm of the hand is adjusted and moved to the end face of the main body 1, so that the auxiliary piece 6 is arranged on the end face of the main body 1 in a propping manner, the aim at the position is not to lock the group of pulling pieces facing to the palm of the hand, but to facilitate the pulling pieces facing to the palm of the hand to be more easily driven to slide when the fingers are pressed down; in addition, the position of the auxiliary member 6 on the pulling member on the group of pulling members moving towards the back of the hand is adjusted to provide different training load forces, the training load force provided by the auxiliary member 6 when moving from the sleeve member 7 to the end surface of the main body 1 is gradually reduced, when the auxiliary member 6 is adjusted to move to be close to the sleeve member 7, the end head parts of the group of pulling members are combined into a whole by the auxiliary member 6, so that when a single finger drives one pulling member 5 corresponding to the group of pulling members moving towards the center of the hand to move up and down, almost the whole group of pulling members moving towards the back of the hand provides load force, the load force is larger, the training strength is high, on the contrary, when the auxiliary member 6 on the group of pulling members moving towards the back of the hand is adjusted to move to the end surface of the main body 1, a locking structure is formed between the auxiliary member 6 and the wedge part 500 of the pulling members, the group of pulling members is locked, and the training load force provided at this time is minimum, only a single pulling piece is providing the training loading power, when a finger that needs training drives the pulling piece action that corresponds on a set of pulling pieces towards the back of the hand of training hand and overcomes the training loading power and train, because the setting of wedge 500 on a set of pulling piece straightway towards the palm of the hand of training hand for the finger can drive a corresponding pulling piece on this set of pulling pieces and overcome the wrapping power of auxiliary member 6 and the smooth slip of the top tension of corresponding top tension. The single-finger active training mode can train each finger one by one.
A multi-finger small-amplitude active training mode: the auxiliary piece 6 on a group of pulling pieces of the back of the hand facing the training hand is adjusted and moved to the end face of the main body 1, the auxiliary piece 6 and the wedge-shaped part 500 on the straight line section of the pulling pieces lock the group of pulling pieces 5, all the pulling pieces are dispersedly arranged, the external load force is minimum during training at the moment, the training is convenient, all the fingers of the training hand are inserted into the embedded grooves 602 in the auxiliary piece 6 on the group of pulling pieces facing the palm of the training hand to drive the group of pulling pieces to move in small amplitude, only a small part of the end of the finger is inserted into the embedded grooves 602 in the mode, the finger can only carry out small-amplitude training action, the training part is mainly the tail end joint of the finger, and the training mode can be cross combined with other modes for training.
A large-amplitude active training mode of a plurality of fingers: different from the small-amplitude active training mode of the plurality of fingers, the finger of the training hand is inserted into the external member 7, and the tail end of the whole finger is inserted into the external member 7 in a finger joint mode, so that the training force is large, the amplitude is large, and the training device is suitable for training in the later stage of finger rehabilitation training.
The supporting use of two auxiliary members 6 on two sets of pulling parts, slide auxiliary member 6 when overcoming the clamp force, adjustable auxiliary member 6 is in the position on pulling the part, and use through the cooperation of two auxiliary members 6 on two sets of pulling parts, realize the passive training mode of different single fingers, single finger initiative training mode, many fingers small amplitude initiative training mode and many fingers are four kinds of training modes of initiative training mode by a wide margin, be applicable to the rehabilitation training person in different stages, realize different training effects, make this trainer's application degree improve greatly.
In this embodiment, the two auxiliary members 6 can be used in cooperation with each other, the two auxiliary members 6 can also be used in cooperation with the corresponding pulling members 5, and the auxiliary members 6 are used in cooperation with the wedge portions 500 between the pulling members 5 to lock the corresponding pulling members.
When the training device is used, a corresponding training mode can be selected according to needs, for example, according to a specific training stage and training requirements of a rehabilitee, one of a single-finger passive training mode, a single-finger active training mode, a multi-finger small-amplitude active training mode and a multi-finger large-amplitude active training mode can be selected, or combination training in multiple modes can be selected, and specific using modes can refer to the specific description of the training modes, and are not repeated here.
Two sets of pulling parts cooperate and use, can carry out effectual rehabilitation training to training person's finger, can carry out the rehabilitation training of multiple mode according to the recovered person of finger, and application scope is wide, and training effect is good, and the user has splendid training effect.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.