Adjustable safe accurate positioner for skin laser treatment

文档序号:977787 发布日期:2020-11-06 浏览:2次 中文

阅读说明:本技术 一种用于皮肤激光治疗的可调式安全精确*** (Adjustable safe accurate positioner for skin laser treatment ) 是由 曹长凯 于 2020-08-24 设计创作,主要内容包括:本发明公开了一种用于皮肤激光治疗的可调式安全精确定位器,包括底圆盘,所述底圆盘的上方设置有顶环,所述圆盘的侧壁上固定连接有第一支撑杆和第二支撑杆,所述第一支撑杆和第二支撑杆相对设置。本发明结构设计合理,通过手臂限位件和腰部限位件实现对患者手臂和身体侧部实现支撑,且本装置的有效支撑长度可通过长度调节杆实现调节,另外手臂限位件和腰部限位件不仅可对患者的支撑位置实现调节,通过第一角度调节机构可对手臂限位件和腰部限位件调节后的角度进行调节定位;通过转动盘的转动实现对设置于弧形半环内的激光头进行角度调节,通过高度调节机构实现对连接盘进行高度位置调节,进而对设置于弧形半环内的激光头进行高度调节。(The invention discloses an adjustable safe accurate positioner for skin laser treatment, which comprises a bottom disc, wherein a top ring is arranged above the bottom disc, a first supporting rod and a second supporting rod are fixedly connected to the side wall of the disc, and the first supporting rod and the second supporting rod are arranged oppositely. The device has reasonable structural design, realizes the support of the arms and the side part of the body of a patient through the arm limiting piece and the waist limiting piece, realizes the adjustment of the effective support length of the device through the length adjusting rod, realizes the adjustment of the support position of the patient through the arm limiting piece and the waist limiting piece, and can adjust and position the adjusted angles of the arm limiting piece and the waist limiting piece through the first angle adjusting mechanism; the rotation through the rolling disc realizes carrying out angle modulation to setting up in the intra-annular laser head of arc, realizes carrying out high position control to the connection pad through high adjustment mechanism, and then carries out height control to setting up in the intra-annular laser head of arc.)

1. An adjustable safe accurate positioner for skin laser treatment is characterized by comprising a bottom disc (1), wherein a top ring (2) is arranged above the bottom disc (1), a first supporting rod (3) and a second supporting rod (4) are fixedly connected to the side wall of the disc (1), the first supporting rod (3) and the second supporting rod (4) are oppositely arranged, and the end faces of the first supporting rod (3) and the second supporting rod (4) are also fixed on the outer side wall of the top ring (2);

one end of the first supporting rod (3) far away from the top ring (2) is in threaded connection with a length adjusting rod (5), and the other end of the length adjusting rod (5) and the other end of the second supporting rod (4) are respectively connected with an arm limiting part and a waist limiting part through a first angle adjusting mechanism;

the top of end disc (1) is connected with connection pad (6) through high adjustment mechanism, the top of connection pad (6) is connected with rolling disc (7) through second angle adjustment mechanism, the lateral wall of rolling disc (7) is connected with arc semi-ring (9) through many connecting rods (8), be provided with fixture on arc semi-ring (9).

2. The adjustable safe and precise positioning device for skin laser treatment according to claim 1, wherein the first angle adjusting mechanism comprises a fixing rod (10) fixed on an arm limiting part and a waist limiting part, the ends of the length adjusting rod (5) and the second supporting rod (4) are both provided with a mounting groove, the inner side wall of the mounting groove is fixedly connected with a rotating shaft, the fixing rod (10) is rotatably sleeved on the outer side wall of the rotating shaft, the length adjusting rod (5) and the second supporting rod (4) are in threaded connection with a first handle bolt (11), and the outer side wall of the fixing rod (10) is provided with a plurality of first reserved limiting grooves around the axis of the rotating shaft.

3. The adjustable safe and precise locator for skin laser treatment according to claim 2, wherein the arm limiting part comprises a lower arc-shaped limiting block (12), the inner side wall of the lower arc-shaped limiting block (12) is fixedly connected with a first rubber layer, the lower arc-shaped limiting block (12) is fixedly connected with a rubber inflating bag (13), the lower arc-shaped limiting block (12) is provided with an air guide opening, the air guide opening is communicated with the rubber inflating bag (13), an air inlet groove of the air guide opening is connected with a sealing plug, and the fixing rod (10) is fixed on the outer side wall of the lower arc-shaped limiting block (12).

4. The adjustable safety precision positioner for skin laser treatment according to claim 2, wherein the waist position-limiting component comprises an arc-shaped pressing block (14), a second rubber layer is fixedly connected to the inner side wall of the arc-shaped pressing block (14), and the fixing rod (10) is fixed to the outer side wall of the arc-shaped pressing block (14).

5. The adjustable safe and accurate locator for skin laser treatment according to claim 1, wherein the height adjusting mechanism comprises a first screw (15) rotatably connected to the bottom disc (1) and a graduated rod (16) fixedly connected to the bottom disc (1), the connecting disc (6) is sleeved on the outer side wall of the first screw (15) in a threaded manner, a first limiting mechanism is arranged at the top of the first screw (15), and the connecting disc (6) is sleeved on the graduated rod (16) in a sliding manner.

6. The adjustable safe and precise locator for skin laser treatment according to claim 5, wherein the first limiting mechanism comprises a prismatic T-shaped inserting rod (17) inserted at the top of the first screw (15), the bottom of the T-shaped inserting rod (17) is fixedly connected with a first limiting rod (18), and the connecting disc (6) is provided with a plurality of limiting openings corresponding to the first limiting rod (18) in a surrounding manner.

7. An adjustable safety precision positioner for skin laser treatment according to claim 1, it is characterized in that the second angle adjusting mechanism comprises a rotating shaft fixed at the bottom of the rotating disc (7), the rotating shaft is rotatably connected with the top of the connecting disc (6), the top of the rotating disc (7) is provided with a handle (19), the bottom of the handle (19) is fixedly connected with a plurality of second limiting rods (20), the rotating disc (7) is provided with through openings corresponding to the second limiting rods (20), and the top of the connecting disc (6) is provided with a plurality of second limiting openings which are arranged in a surrounding way and correspond to the second limiting rods (20), the outer side wall of the second limiting rod (20) is sleeved with a first return spring, and two ends of the first return spring are fixedly connected with the top of the rotating disc (7) and the bottom of the handle (19) respectively.

8. The adjustable safe and precise locator for skin laser treatment according to claim 1, wherein the clamping mechanism comprises an insertion opening formed on the arc-shaped half ring (9), the inner side wall of the insertion opening is slidably connected with a clamping block (21), the inner side wall of the insertion opening is provided with a sliding groove corresponding to the clamping block (21), the outer side wall of the arc-shaped half ring (9) is in threaded connection with a second screw (22), the second screw (22) is rotatably connected with the clamping block (21), a T-shaped limiting rod (23) is inserted at the end of the second screw (22), a plurality of second limiting rods (24) are fixedly connected to the T-shaped limiting rod (23), a plurality of limiting slots corresponding to the second limiting rods (24) are circumferentially arranged on the outer side wall of the arc-shaped half ring (9), and a second spring is sleeved on the outer side wall of the T-shaped limiting rod (23), and two ends of the second spring are respectively connected with the second screw rod (22) and the outer side wall of the T-shaped limiting rod (23).

9. The adjustable safe and precise locator for skin laser treatment according to claim 8, wherein an open end of the insertion opening is connected with a first guide cylinder (25) in a threaded manner, a second guide cylinder (26) is inserted on the first guide cylinder (25), a second handle bolt (27) is connected on the first guide cylinder (25) in a threaded manner, and a plurality of second reserved limiting grooves corresponding to the second handle bolt (27) are formed on the outer side wall of the second guide cylinder (26).

Technical Field

The invention relates to the technical field of positioners, in particular to an adjustable safe and accurate positioner for skin laser treatment.

Background

Skin laser treatment is a pigment spot on the body of a patient treated by laser, but in the prior art, the laser treatment is obviously unchanged when the laser treatment is carried out on the armpit part of the patient, because the arm of the patient cannot be stabilized, the patient needs to automatically lift the arm in the actual treatment process, and because the arm cannot be positioned in the lifting process, the body is twisted or the arm moves, so that the position to be treated is deviated from the laser irradiation position, and the actual skin laser treatment effect is influenced.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides an adjustable safe accurate positioner for skin laser treatment.

In order to achieve the purpose, the invention adopts the following technical scheme:

an adjustable safe accurate positioner for skin laser treatment comprises a bottom disc, wherein a top ring is arranged above the bottom disc, a first supporting rod and a second supporting rod are fixedly connected to the side wall of the disc, the first supporting rod and the second supporting rod are arranged oppositely, and the end faces of the first supporting rod and the second supporting rod are also fixed on the outer side wall of the top ring;

one end of the first supporting rod, which is far away from the top ring, is in threaded connection with a length adjusting rod, and the other end of the length adjusting rod and the other end of the second supporting rod are respectively connected with an arm limiting part and a waist limiting part through a first angle adjusting mechanism;

the top of end disc is connected with the connection pad through high adjustment mechanism, the top of connection pad is connected with the rolling disc through second angle adjustment mechanism, the lateral wall of rolling disc is connected with the arc semi-ring through many connecting rods, be provided with fixture on the arc semi-ring.

Preferably, first angle adjustment mechanism is including being fixed in the dead lever on arm locating part and the waist locating part, the mounting groove has all been seted up to the tip of length adjustment pole and second bracing piece, the inside wall fixedly connected with rotation axis of mounting groove, the dead lever rotates and cup joints on the lateral wall of rotation axis, threaded connection has the bolt in the first leader on length adjustment pole and the second bracing piece, the lateral wall of dead lever uses the axle center of rotation axis as the center loop to be provided with a plurality of first reservation spacing grooves.

Preferably, the arm locating part includes arc-shaped limiting block down, the first rubber layer of inside wall fixedly connected with of arc-shaped limiting block down, fixedly connected with rubber air bag on the arc-shaped limiting block down, the gas port has been seted up on the arc-shaped limiting block down, just lead gas port and rubber air bag intercommunication setting, the air inlet duct of leading the gas port is connected with the sealing plug, the dead lever is fixed in down on the lateral wall of arc-shaped limiting block.

Preferably, the waist locating part comprises an arc-shaped pressing block, a second rubber layer is fixedly connected to the inner side wall of the arc-shaped pressing block, and the fixing rod is fixed to the outer side wall of the arc-shaped pressing block.

Preferably, the height adjusting mechanism comprises a first screw rod rotatably connected to the bottom disc and a scale rod fixedly connected to the bottom disc, the connecting disc is in threaded sleeve connection with the outer side wall of the first screw rod, a first limiting mechanism is arranged at the top of the first screw rod, and the connecting disc is in sliding sleeve connection with the scale rod.

Preferably, the first limiting mechanism comprises a prismatic T-shaped insert rod inserted into the top of the first screw, the bottom of the T-shaped insert rod is fixedly connected with a first limiting rod, and the connecting disc is provided with a plurality of limiting openings corresponding to the first limiting rod in a surrounding manner.

Preferably, second angle adjustment mechanism is including the axis of rotation that is fixed in the rolling disc bottom, the axis of rotation is rotated with the top of connection pad and is connected, the top of rolling disc is provided with the handle, many second gag lever posts of the bottom fixedly connected with of handle, set up the through-hole that corresponds with the second gag lever post on the rolling disc, just a plurality of second spacing mouths that encircle the setting and correspond with the second gag lever post are seted up at the top of connection pad, the lateral wall cover of second gag lever post is equipped with first reset spring, first reset spring's both ends respectively with the top of rolling disc and the bottom fixed connection of handle.

Preferably, fixture is including offering the inserted hole on the arc semi-ring, the inside wall sliding connection of inserted hole has tight piece of clamp, the inside wall of inserted hole is seted up and is pressed from both sides the spout that the tight piece corresponds with clamp, the lateral wall threaded connection of arc semi-ring has the second screw rod, just the second screw rod rotates with pressing from both sides tight piece and be connected, second screw rod tip is inserted and is equipped with T type gag lever post, many second gag lever posts of fixedly connected with on the T type gag lever post, the lateral wall of arc semi-ring is encircleed and is provided with a plurality of spacing slots that correspond with the second gag lever post, the lateral wall cover of T type gag lever post is equipped with the second spring, just the both ends of second spring are connected with the lateral wall of second screw rod and.

Preferably, an opening end of the insertion hole is in threaded connection with a first guide cylinder, a second guide cylinder is inserted into the first guide cylinder, a second handle bolt is in threaded connection with the first guide cylinder, and a plurality of second reserved limiting grooves corresponding to the second handle bolt are formed in the outer side wall of the second guide cylinder.

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

1. firstly, the arm and the side part of the body of a patient are supported through an arm limiting part and a waist limiting part, so that the armpit part of the patient is integrally exposed, the effective supporting length of the device can be adjusted through a length adjusting rod, in addition, the arm limiting part and the waist limiting part not only can adjust the supporting position of the patient, but also can adjust and position the angle of the arm limiting part and the waist limiting part after adjustment through a first angle adjusting mechanism;

2. secondly, realize setting up the laser head in the arc semi-ring through fixture, realize carrying out angle modulation to the laser head that sets up in the arc semi-ring through the rotation of rolling disc, realize carrying out high position control to the connection pad through high adjustment mechanism, and then carry out high adjustment to the laser head that sets up in the arc semi-ring, adjust through above-mentioned both sides and can realize that the laser head carries out accurate location to patient armpit position.

Drawings

FIG. 1 is a schematic structural diagram of an adjustable safety precise locator for skin laser treatment according to the present invention;

FIG. 2 is a schematic view of a connection structure of a first support rod and a second support rod in an adjustable safety precise locator for skin laser treatment according to the present invention;

FIG. 3 is a schematic view of a connection structure of a first support rod and a lower arc-shaped limiting block in the adjustable safe and precise locator for skin laser treatment according to the present invention;

FIG. 4 is a schematic structural diagram of an arm position-limiting element of an adjustable safety precision positioner for skin laser treatment according to the present invention;

FIG. 5 is a schematic structural view of a waist position-limiting element of the adjustable safety precision positioner for skin laser treatment according to the present invention;

FIG. 6 is a schematic structural diagram of a clamping mechanism in an adjustable safety precise locator for skin laser treatment according to the present invention;

fig. 7 is a schematic view of a connection structure of a first guide cylinder and a second guide cylinder in an adjustable safety precise positioner for skin laser treatment according to the present invention.

In the figure: the device comprises a bottom disc 1, a top ring 2, a first supporting rod 3, a second supporting rod 4, a length adjusting rod 5, a connecting disc 6, a rotating disc 7, a connecting rod 8, an arc-shaped half ring 9, a fixing rod 10, a first handle bolt 11, a lower arc-shaped limiting block 12, a rubber inflating bag 13, an arc-shaped pressing block 14, a first screw rod 15, a scale rod 16, a 17T-shaped inserting rod, a first limiting rod 18, a handle 19, a second limiting rod 20, a clamping block 21, a second screw rod 22, a limiting rod 23T, a second limiting rod 24, a first guide cylinder 25, a second guide cylinder 26 and a second handle bolt 27.

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.

Referring to fig. 1-7, an adjustable safe accurate positioner for skin laser treatment comprises a bottom disc 1, a top ring 2 is arranged above the bottom disc 1, a first support rod 3 and a second support rod 4 are fixedly connected to the side wall of the disc 1, the first support rod 3 and the second support rod 4 are oppositely arranged, and the end faces of the first support rod 3 and the second support rod 4 are also fixed on the outer side wall of the top ring 2;

wherein, one end of the first supporting rod 3 far away from the top ring 2 is connected with a length adjusting rod 5 through a screw thread, and the other end of the length adjusting rod 5 and the other end of the second supporting rod 4 are respectively connected with an arm limiting part and a waist limiting part through a first angle adjusting mechanism;

furthermore, the first angle adjusting mechanism comprises a fixed rod 10 fixed on the arm limiting part and the waist limiting part, the end parts of the length adjusting rod 5 and the second supporting rod 4 are both provided with mounting grooves, the inner side wall of each mounting groove is fixedly connected with a rotating shaft, the fixed rod 10 is rotatably sleeved on the outer side wall of the rotating shaft, the length adjusting rod 5 and the second supporting rod 4 are in threaded connection with a first handle bolt 11, the outer side wall of the fixed rod 10 is annularly provided with a plurality of first reserved limiting grooves by taking the axis of the rotating shaft as the center, the angle adjustment of the arm limiting part and the waist limiting part is realized through the first angle adjusting mechanism, namely the rotation of the fixed rod 10 is realized through the rotating shaft, and after the rotation, the;

still further, the arm limiting member comprises a lower arc-shaped limiting block 12, the inner side wall of the lower arc-shaped limiting block 12 is fixedly connected with a first rubber layer, the lower arc-shaped limiting block 12 is fixedly connected with a rubber inflatable bag 13, the lower arc-shaped limiting block 12 is provided with an air guide opening, the air guide opening is communicated with the rubber inflatable bag 13, an air inlet groove of the air guide opening is connected with a sealing plug, a fixing rod 10 is fixed on the outer side wall of the lower arc-shaped limiting block 12, and the arm of the patient is stabilized through the arm limiting member, namely, the arm of the patient is firstly arranged in the lower arc-shaped limiting block 12 and the rubber inflatable bag 13, and the position of the lower arc-shaped limiting block 12 and the rubber inflatable bag 13 for clamping the arm can be adjusted in the process, after the positions of the lower arc-shaped limiting block 12 and the rubber inflatable bag 13 are determined, the rubber inflatable bag 13 after inflation is inflated can be inflated, the arm of, the friction coefficient between the first rubber layer and the rubber inflatable bag 13 is large, so that the clamping stability is convenient to ensure;

still further, the waist locating part includes arc-shaped pressing block 14, the second rubber layer is fixedly connected to the inner side wall of arc-shaped pressing block 14, the fixing rod 10 is fixed to the outer side wall of arc-shaped pressing block 14, and is pressed against the waist of the patient through arc-shaped pressing block 14, and the friction coefficient of the second rubber layer can be increased.

Wherein the top of the bottom disc 1 is connected with a connecting disc 6 through a height adjusting mechanism;

further, the height adjusting mechanism comprises a first screw 15 rotatably connected to the bottom disc 1 and a scale rod 16 fixedly connected to the bottom disc 1, the connecting disc 6 is in threaded sleeve connection with the outer side wall of the first screw 15, a first limiting mechanism is arranged at the top of the first screw 15, the connecting disc 6 is in sliding sleeve connection with the scale rod 16, namely, the vertical movement of the connecting disc 6 is controlled through the rotation of the first screw 15, the stable vertical movement of the connecting disc 6 is ensured through the scale rod 16, and the vertical movement position of the connecting disc 6 can be observed;

still further, the first limiting mechanism comprises a prismatic T-shaped inserting rod 17 inserted into the top of the first screw 15, the bottom of the T-shaped inserting rod 17 is fixedly connected with a first limiting rod 18, a plurality of limiting openings corresponding to the first limiting rod 18 are formed in the connecting disc 6 in a surrounding mode, the first screw 15 cannot rotate after being adjusted through the first limiting mechanism, namely the T-shaped inserting rod 17 is pulled up before the first screw 15 is adjusted, the first limiting rod 18 is separated from the limiting openings after the T-shaped inserting rod 17 is pulled up, rotation of the first screw 15 is facilitated, after the first screw 15 is adjusted, the T-shaped inserting rod 17 is loosened, the T-shaped inserting rod 17 moves downwards under the action of gravity, the first limiting rod 18 is inserted into the corresponding limiting openings, and rotation of the first screw 15 is prevented through the first limiting rod 18.

The top of the connecting disc 6 is connected with a rotating disc 7 through a second angle adjusting mechanism;

furthermore, the second angle adjusting mechanism comprises a rotating shaft fixed at the bottom of the rotating disc 7, the rotating shaft is rotatably connected with the top of the connecting disc 6, the top of the rotating disc 7 is provided with a handle 19, the bottom of the handle 19 is fixedly connected with a plurality of second limiting rods 20, the rotating disc 7 is provided with through holes corresponding to the second limiting rods 20, the top of the connecting disc 6 is provided with a plurality of second limiting holes which are arranged in a surrounding manner and correspond to the second limiting rods 20, the outer side wall of each second limiting rod 20 is sleeved with a first return spring, two ends of each first return spring are respectively fixedly connected with the top of the rotating disc 7 and the bottom of the handle 19, the rotating disc 7 can rotate on the connecting disc 6 through the arrangement of the second angle adjusting mechanism, namely, the handle 19 is pulled upwards before the rotating disc 7 rotates, so that the second limiting rods 20 are separated from the second limiting holes, and the rotating disc 7 can be driven to rotate by the handle 19, after the angle of the rotating disc 7 is adjusted, the second limiting rod 20 is driven by the first return spring to be combined with the corresponding second limiting opening, so that the rotating disc 7 is prevented from rotating randomly.

Wherein, the outer side wall of the rotating disc 7 is connected with an arc semi-ring 9 through a plurality of connecting rods 8, and the arc semi-ring 9 is provided with a clamping mechanism;

further, the clamping mechanism comprises an insertion opening arranged on the arc-shaped semi-ring 9, the inner side wall of the insertion opening is connected with a clamping block 21 in a sliding mode, the inner side wall of the insertion opening is provided with a sliding groove corresponding to the clamping block 21, the outer side wall of the arc-shaped semi-ring 9 is connected with a second screw 22 in a threaded mode, the second screw 22 is rotatably connected with the clamping block 21, a T-shaped limiting rod 23 is inserted into the end portion of the second screw 22, a plurality of second limiting rods 24 are fixedly connected onto the T-shaped limiting rod 23, a plurality of limiting insertion grooves corresponding to the second limiting rods 24 are formed in the surrounding mode of the outer side wall of the arc-shaped semi-ring 9, a second spring is sleeved on the outer side wall of the T-shaped limiting rod 23, two ends of the second spring are respectively connected with the outer side walls of the second screw 22 and the T-shaped limiting rod 23, clamping of the laser head is achieved through the arrangement of the clamping mechanism, similarly, after the position of the clamping block 21 is adjusted by the second screw 22, the second screw 22 is prevented from rotating randomly by the cooperation of the second limiting rod 24 and the limiting slot at the corresponding position, and the second spring has the resetting effect.

In addition, an opening end of the insertion port is in threaded connection with a first guide cylinder 25, a second guide cylinder 26 is inserted into the first guide cylinder 25, a second handle bolt 27 is in threaded connection with the first guide cylinder 25, a plurality of second reserved limiting grooves corresponding to the second handle bolt 27 are formed in the outer side wall of the second guide cylinder 26, light emitted from the laser head can be prevented from being interfered by external light through the cooperation of the first guide cylinder 25 and the second guide cylinder 26, namely, the first guide cylinder 25 is connected onto the arc-shaped half ring 9 through the opening end in a threaded manner, the effective use length of the whole body can be adjusted through the first guide cylinder 25 and the second guide cylinder 26, namely, the second handle bolt 27 is matched with the plurality of second reserved limiting grooves, and therefore it can be guaranteed that all laser beams emitted from the laser head irradiate affected parts of patients.

The invention can be illustrated by the following operating modes:

firstly, through fixture with the laser head centre gripping in the insert, realize through the arm locating part then and patient's arm stable, after stable, make the waist locating part support on patient's waist, after the operation is gone up in the completion, keep arm locating part and waist locating part support position through first angle adjustment mechanism, make patient's arm like this, health lateral part and this device constitute triangle-shaped, will realize propping up the location to patient's arm like this through this device, and the support position of the adjustable arm locating part of this device and waist locating part, the effective use length of this device of adjustable length adjustment pole 5 through threaded connection in addition.

Secondly, the arc-shaped semi-ring 9 can be driven to rotate by the rotation of the rotating disc 7, and the laser head clamped on the arc-shaped semi-ring 9 can be driven to rotate by the rotation of the arc-shaped semi-ring 9, so that the irradiation angle of the laser head can be adjusted; secondly, the position of the connecting disc 6 is adjusted up and down, so that the rotating disc 7 and the arc-shaped semi-ring 9 on the rotating disc are adjusted up and down, the laser head can be correspondingly adjusted according to different body thicknesses of patients, and accurate positioning irradiation is carried out on the armpit parts of the patients through the upper angle and the up and down adjustment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

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