Adjustable head fixing device for surgical nursing

文档序号:1911012 发布日期:2021-12-03 浏览:20次 中文

阅读说明:本技术 一种可调节式外科护理用头部固定装置 (Adjustable head fixing device for surgical nursing ) 是由 刘金波 于 2021-10-12 设计创作,主要内容包括:本发明涉及外科护理技术领域,具体地说,涉及一种可调节式外科护理用头部固定装置。其包括头部固定设备,所述头部固定设备至少包括:顶部固定装置,侧部固定装置和枕板,该可调节式外科护理用头部固定装置中,设置的顶部固定装置,通过外壳内部开设的放置槽,顶壳内部开设有的空腔,便于对放置在放置槽中患者头部进行限位,设置的侧部固定装置,通过侧板和转板之间的转动,便于扩大侧板的使用范围,起到进一步稳固的作用,设置的枕板,便于对患者头部进行支撑,通过滑杆的滑动,可带动固定板移动,从而起到调节固定板固定位置的作用,便于对不同患者进行使用,通过连接板的转动,起到对固定板和连接板折叠收纳的作用。(The invention relates to the technical field of surgical nursing, in particular to an adjustable head fixing device for surgical nursing. It includes head fixation equipment, head fixation equipment includes at least: top fixing device, lateral part fixing device and pillow board, among this head fixing device is used in adjustable surgical nursing, the top fixing device of setting, standing groove through the inside setups of shell, some cavities are seted up to top shell inside, be convenient for carry on spacingly to placing patient's head in the standing groove, the lateral part fixing device of setting, through curb plate and the rotation between the commentaries on classics board, be convenient for enlarge the application range of curb plate, play further firm effect, the pillow board of setting, be convenient for support patient's head, slip through the slide bar, can drive the fixed plate and remove, thereby play the effect of adjusting fixed plate fixed position, be convenient for use different patients, rotation through the connecting plate, play the effect of folding accomodating fixed plate and connecting plate.)

1. An adjustable head fixation device for surgical care, comprising a head fixation apparatus (100), characterized in that: the head fixation device (100) comprises at least:

the top fixing device (110) comprises a shell (111), a placing groove is formed in the shell (111), a connecting block (1111) is arranged at the front end of the shell (111), a shell hinge plate (1112) is arranged at the front end of the connecting block (1111), a top shell (112) is arranged above the shell (111), a cavity is formed in the top shell (112), a connecting groove (1121) is formed in the front end of the top shell (112), a top shell hinge plate (1122) is arranged at the front end of the connecting groove (1121), the connecting block (1111) is located in the connecting groove (1121), and the top shell hinge plate (1122) is hinged and matched with the shell hinge plate (1112);

two side fixing devices (120), wherein the side fixing devices (120) comprise side plates (121), the front end of the side plate (121) is fixedly connected with the shell (111), a rotating plate (122) is connected above the side plate (121), the bottom end of the rotating plate (122) is provided with a groove (1220), a rotating rod (1221) is arranged in the groove (1220), the front end and the rear end of the rotating rod (1221) are respectively provided with a rotating pin (1222), the top end of the side plate (121) is provided with a rotating groove (1210), both ends of the rotating groove (1210) are provided with rotating heads (1211), the rotating heads (1211) are internally provided with rotating holes (1212), the rotation rod (1221) is located inside the rotation groove (1210), the rotation head (1211) is located inside the groove (1220), and the rotation pin (1222) is rotated inside the rotation hole (1212);

the pillow plate (130), the shell (111) is fixed in the front end of the upper surface of the pillow plate (130), two lateral plates (121) are fixed in the left end and the right end of the upper surface of the pillow plate (130) respectively, the rear end of the pillow plate (130) is connected with a chin fixing device (140), the chin fixing device (140) comprises a fixing plate (141), the fixing plate (141) is located above the pillow plate (130), and the pillow plate (130) is of an arc plate-shaped structure.

2. The adjustable surgical nursing head fixture of claim 1, wherein: the fixed plate (141) is connected with a sliding rod (142) through a connecting plate (143) connected with the left end, a sliding groove (1300) is formed in the left end of the rear surface of the pillow plate (130), and the sliding rod (142) is located inside the sliding groove (1300) to slide.

3. The adjustable surgical nursing head fixture of claim 2, wherein: the left end of the fixing plate (141) is provided with a connecting rod (1411), the left end of the connecting rod (1411) is provided with a rotating block (1412), the front end and the rear end of the rotating block (1412) are provided with rotating round rods (1413), the top end of the connecting plate (143) is provided with a top groove (1430), the top groove (1431) is formed in the top groove (1430), the rotating block (1412) is located in the top groove (1430), and the rotating round rods (1413) are rotatably connected with the top groove (1431).

4. The adjustable surgical nursing head fixture of claim 3, wherein: the rear end of the sliding rod (142) is provided with a rotating column (1421), the bottom end of the connecting plate (143) is provided with a through hole (1432), and the rotating column (1421) is located inside the through hole (1432) to rotate.

5. The adjustable surgical nursing head fixture of claim 4, wherein: the surface of the connecting plate (143) is provided with a limiting block (1433) on the right side of the top groove (1430), and the bottom end of the rotating column (1421) is provided with a limiting edge (1422).

6. The adjustable surgical nursing head fixture of claim 1, wherein: fixed slot (1410) have been seted up to fixed plate (141) front surface inside, fixed slot (1410) inside is equipped with the foam-rubber cushion, curb plate (121) internal surface is equipped with in the curb plate sponge (123), it is equipped with in the commentaries on classics board (122) internal surface changes board sponge (124).

7. The adjustable surgical nursing head fixture of claim 1, wherein: the magnetic switch is characterized in that a top case magnet (1123) is arranged at the rear end of the upper surface of the top case (112), a rotating plate magnet (1223) is arranged at the front end of the outer surface of the rotating plate (122), and the rotating plate magnet (1223) is magnetically connected with the top case magnet (1123).

8. The adjustable surgical nursing head fixture of claim 2, wherein: the pillow plate (130) is provided with a threaded hole (1301) on the left side of the sliding groove (1300), the threaded hole (1301) is communicated with the sliding groove (1300), a screw rod (131) is connected to the inner portion of the threaded hole (1301) in a threaded mode, and the right end of the screw rod (131) is tightly attached to the side surface of the sliding rod (142).

9. The adjustable surgical nursing head fixture of claim 8, wherein: the left end of the screw rod (131) is provided with a screwing head (1311), the screwing head (1311) is located on the left side of the pillow plate (130), and the side surface of the screwing head (1311) is provided with a plurality of auxiliary rods (1312).

10. The adjustable surgical nursing head fixture of claim 1, wherein: the surface of the shell (111) is provided with a plurality of shell vent holes (1110), and the surface of the top shell (112) is provided with a plurality of top shell vent holes (1120).

Technical Field

The invention relates to the technical field of surgical nursing, in particular to an adjustable head fixing device for surgical nursing.

Background

When a patient is examined or treated in a hospital, the head of the patient swings due to pain generated by stimulation to the body of the patient when a doctor carries out treatment, so that the treatment of the patient by the doctor is influenced, particularly, when the patient in consciousness is treated, the patient feels painful and acts subconsciously, the treatment difficulty of the doctor is increased, and unnecessary injury is caused to the patient;

the conventional fixing devices such as plaster, splint and bandage are commonly used in surgical nursing work, the function is single, the operation is inconvenient, the existing fixing device is complex to fix, the fixing effect is not good enough, the working strength of medical staff is increased, and therefore a novel head fixing device is needed to improve the defects of the prior art.

Disclosure of Invention

The present invention is directed to an adjustable head fixing device for surgical nursing, which solves the above problems of the prior art.

To achieve the above object, the present invention provides an adjustable head fixation device for surgical nursing, comprising a head fixation apparatus including at least:

the top fixing device comprises a shell, a placing groove is formed in the shell, the head of a patient can be placed conveniently, the head can be limited, a connecting block is arranged at the front end of the shell, a shell hinged plate is arranged at the front end of the connecting block, a top shell is arranged above the shell, a cavity is formed in the top shell, the head of the patient placed in the placing groove can be limited conveniently, a connecting groove is formed in the front end of the top shell, a top shell hinged plate is arranged at the front end of the connecting groove, the connecting block is located in the connecting groove, the top shell hinged plate is hinged and matched with the shell hinged plate, and the top shell and the shell can be connected conveniently through rotation between the top shell and the shell;

the side fixing devices comprise two side plates, the front ends of the side plates are fixedly connected with the shell, a rotating plate is connected above the side plates, a groove is formed in the bottom end of the rotating plate, a rotating rod is arranged in the groove, rotating pins are arranged at the front end and the rear end of the rotating rod, a rotating groove is formed in the top end of the side plate, rotating heads are arranged at the two ends of the rotating groove, a rotating hole is formed in each rotating head, the rotating rod is located in the rotating groove, the rotating heads are located in the groove, and the rotating pins rotate in the rotating holes, so that the side plates and the rotating plates can rotate conveniently;

the pillow plate, the shell is fixed in the upper surface front end of pillow plate, two the curb plate is fixed in respectively both ends about the upper surface of pillow plate, is convenient for fix patient's head side, the pillow plate rear end is connected with chin fixing device, chin fixing device includes the fixed plate, the fixed plate is located the top of pillow plate, the pillow plate is the arc platelike structure, is convenient for stabilize patient's chin to play the effect of fixed head.

When this embodiment head fixed equipment is when specifically using, at first, place patient's head in the upper surface of pillow board, make the head be located between standing groove inside and two curb plates, then upwards promote the topshell, make the topshell receive hand's effort to drive the top shell articulated slab and articulate with the shell articulated slab and rotate, thereby it is close to for the axial shell direction to drive the centre of a circle department of topshell with the pin joint, until topshell bottom surface and shell upper surface contact, upwards promote the commentaries on classics board again, make the commentaries on classics board receive hand's effort to use the centre of a circle department of rotating pin to rotate clockwise as the axle, rotate to bottom surface and curb plate upper surface contact as the commentaries on classics board until bottom surface, at this moment the commentaries on classics board front surface hugs closely with topshell rear surface, it can to stabilize patient's chin through the fixed plate at last.

As a further improvement of the technical scheme, the fixed plate is connected with a slide bar through a connecting plate connected with the left end, the left end of the rear surface of the pillow plate is provided with a slide groove, the slide bar is positioned in the slide groove and slides to drive the fixed plate to move, so that the fixed position of the fixed plate can be adjusted, and the pillow is convenient for different patients to use.

As a further improvement of the technical scheme, the fixed plate left end is equipped with the connecting rod, the connecting rod left end is equipped with the turning block, both ends all are equipped with the rotation round bar around the turning block, the top groove has been seted up on the connecting plate top, the top groove trompil has been seted up to the top inslot portion, the turning block is located the top inslot portion, just the rotation round bar with the top groove trompil rotates to be connected, is convenient for drive the fixed plate and rotates to play the effect of accomodating the fixed plate, the patient's head of being convenient for simultaneously is placed in the standing groove.

As a further improvement of the technical scheme, the rear end of the sliding rod is provided with a rotating column, the bottom end of the connecting plate is provided with a through hole, the rotating column is located inside the through hole and rotates, and the fixing plate and the connecting plate are folded and stored through rotation of the connecting plate.

As a further improvement of the technical scheme, the connecting plate surface is positioned on the right side of the top groove and is provided with a limiting block, so that the rotation of the fixing plate is limited, and the rotating column bottom end is provided with a limiting edge, so that the rotation of the connecting plate is limited.

When the chin fixing device is used specifically, the connecting plate is pushed upwards to rotate clockwise around the center of the rotating column, the connecting plate stops rotating when the side surface of the connecting plate contacts with the limiting edge, the fixing plate is pushed upwards to rotate clockwise around the center of the rotating round rod, the connecting plate stops rotating when the side surface of the connecting rod contacts with the connecting plate, the sliding rod is pushed towards the pillow plate to slide in the sliding groove, the fixing plate is driven to move, and when the fixing plate is tightly attached to the chin of a patient, the fixing work of the chin is completed.

As a further improvement of the technical scheme, the fixed slot has been seted up to fixed plate front surface inside, is convenient for stabilize the patient off duty, the inside foam-rubber cushion that is equipped with of fixed slot, the curb plate internal surface is equipped with sponge in the curb plate, change inboard surface and be equipped with sponge in the commentaries on classics board, be convenient for promote the travelling comfort of patient when using.

As a further improvement of the technical scheme, the rear end of the upper surface of the top shell is provided with a top shell magnetic block, the front end of the outer surface of the rotating plate is provided with a rotating plate magnetic block, the rotating plate magnetic block is magnetically connected with the top shell magnetic block, and the top shell and the rotating plate are connected with each other, so that the stability of the device is convenient to improve.

As a further improvement of the technical scheme, the pillow plate is provided with a threaded hole on the left side of the sliding groove, the threaded hole is communicated with the sliding groove, a screw rod is connected with the inner portion of the threaded hole in a threaded manner, the right end of the screw rod is tightly attached to the side surface of the sliding rod, the sliding rod after sliding is conveniently fixed, and therefore the fixing plate is stabilized.

As a further improvement of the technical scheme, the left end of the screw rod is provided with a twisting head, the twisting head is positioned on the left side of the pillow plate, the screw rod is convenient to use, and the side surface of the twisting head is provided with a plurality of auxiliary rods, so that the comfort of the twisting head in use is convenient to improve.

As a further improvement of the technical scheme, the surface of the shell is provided with a plurality of shell vent holes, and the surface of the top shell is provided with a plurality of top shell vent holes, so that the ventilation effect is achieved.

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

1. among this head fixing device is used in adjustable surgical nursing, the top fixing device of setting, through the inside standing groove of seting up of shell, some cavitys are seted up to top shell inside, are convenient for carry on spacingly to placing patient's head in the standing groove.

2. In the head fixing device for adjustable surgical nursing, the arranged side fixing device can conveniently enlarge the application range of the side plate through the rotation between the side plate and the rotating plate, and plays a role in further stabilizing.

3. Among this adjustable head fixing device for surgical nursing, the pillow board that sets up is convenient for support patient's head, through the slip of slide bar, can drive the fixed plate and remove to play the effect of adjusting fixed plate fixed position, be convenient for use different patients, through the rotation of connecting plate, play the effect of folding the accomodating to fixed plate and connecting plate, through the rotation of fixed plate, thereby play the effect of accomodating the fixed plate, the patient's head of being convenient for simultaneously is placed in the standing groove.

Drawings

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

FIG. 2 is a schematic view showing the overall structure of the top fixing means and the side fixing means of embodiment 1;

FIG. 3 is a schematic view of the structure of the top fixing device according to embodiment 1;

FIG. 4 is a schematic structural view of the casing according to embodiment 1;

FIG. 5 is a schematic view of the top case structure of embodiment 1;

FIG. 6 is a schematic view showing the structure of a side fixing device according to embodiment 1;

FIG. 7 is a schematic side plate structure in accordance with embodiment 1;

FIG. 8 is a schematic view of a rotating plate structure according to embodiment 1;

FIG. 9 is a schematic view of the structure of the pillow plate of embodiment 1;

FIG. 10 is a schematic view showing the structure of the upper surface of the pillow plate according to example 1;

FIG. 11 is a schematic view of a chute structure of embodiment 1;

FIG. 12 is a schematic view of a screw structure of example 1;

fig. 13 is a schematic structural view of the chin fixing apparatus according to embodiment 1.

The various reference numbers in the figures mean:

100. a head fixation device;

110. a top fixture;

111. a housing; 1110. a housing vent; 1111. connecting blocks; 1112. a housing hinge plate;

112. a top shell; 1120. a top case vent; 1121. connecting grooves; 1122. a top housing hinged plate; 1123. a top case magnetic block;

120. a lateral securing means;

121. a side plate; 1210. a rotating groove; 1211. rotating the head; 1212. rotating the hole;

122. rotating the plate; 1220. a groove; 1221. rotating the rod; 1222. a rotation pin; 1223. a rotating plate magnetic block;

123. sponge is arranged in the side plate; 124. rotating the sponge in the plate;

130. a pillow plate; 1300. a chute; 1301. a threaded hole;

131. a screw; 1311. screwing the head; 1312. an auxiliary lever;

140. a chin securing device;

141. a fixing plate; 1410. fixing grooves; 1411. a connecting rod; 1412. rotating the block; 1413. rotating the round bar;

142. a slide bar; 1421. rotating the column; 1422. a limiting edge;

143. a connecting plate; 1430. a top groove; 1431. opening a hole in the top groove; 1432. a through hole; 1433. and a limiting block.

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. 1-13, the present embodiment provides an adjustable head fixing device for surgical nursing, including a head fixing apparatus 100, the head fixing apparatus 100 at least including:

the top fixing device 110 comprises a shell 111, a placing groove is formed in the shell 111, the head of a patient can be conveniently placed, and the head can be limited, a connecting block 1111 is arranged at the front end of the shell 111, a shell hinge plate 1112 is arranged at the front end of the connecting block 1111, a top shell 112 is arranged above the shell 111, a cavity is formed in the top shell 112, the head of the patient placed in the placing groove can be conveniently limited, a connecting groove 1121 is formed in the front end of the top shell 112, a top shell hinge plate 1122 is arranged at the front end of the connecting groove 1121, the connecting block 1111 is located in the connecting groove 1121, the top shell hinge plate 1122 is in hinged fit with the shell hinge plate 1112, and the top shell 112 and the shell 111 can be conveniently connected through rotation between the top shell 112 and the shell 111;

the side fixing devices 120 are provided with two side fixing devices 120, each side fixing device 120 comprises a side plate 121, the front end of each side plate 121 is fixedly connected with the shell 111, a rotating plate 122 is connected above each side plate 121, a groove 1220 is formed in the bottom end of each rotating plate 122, a rotating rod 1221 is arranged in each groove 1220, rotating pins 1222 are arranged at the front end and the rear end of each rotating rod 1221, a rotating groove 1210 is formed in the top end of each side plate 121, rotating heads 1211 are arranged at the two ends of each rotating groove 1210, rotating holes 1212 are formed in each rotating head 1211, each rotating rod 1221 is located in each rotating groove 1210, each rotating head 1211 is located in each groove 1220, each rotating pin 1222 is rotated in each rotating hole 1212, rotation between each side plate 121 and each rotating plate 122 is facilitated, the use range of the side plates 121 is conveniently expanded through rotation of the rotating plates 122, and further stabilizing effect is achieved;

pillow board 130, shell 111 is fixed in the upper surface front end of pillow board 130, both ends about two curb plates 121 are fixed in the upper surface of pillow board 130 respectively, be convenient for fix patient's head side, pillow board 130 rear end is connected with chin fixing device 140, chin fixing device 140 includes fixed plate 141, fixed plate 141 is located the top of pillow board 130, pillow board 130 is the arc platelike structure, be convenient for stabilize patient's chin, thereby play the effect of fixed head.

When the head fixing device 100 in this embodiment is used specifically, first, the head of the patient is placed on the upper surface of the pillow plate 130, so that the head is located between the inside of the placing groove and the two side plates 121, then the top case 112 is pushed upward, so that the top case 112 is under the action of the hand to drive the top case hinge plate 1122 to hinge with the case hinge plate 1112, so as to drive the top case 112 to approach the case 111 with the center of the hinge point as the axial direction, until the bottom surface of the top case 112 contacts with the upper surface of the case 111, the rotating plate 122 is pushed upward, so that the rotating plate 122 rotates clockwise with the center of the rotating pin 1222 under the action of the hand, until the bottom surface of the rotating plate 122 contacts with the upper surfaces of the side plates 121, at this time, the front surface of the rotating plate 122 is closely attached to the rear surface of the top case 112, and finally, the chin of the patient is stabilized by the fixing plate 141.

Furthermore, the fixing plate 141 is connected with a sliding rod 142 through a connecting plate 143 connected at the left end, a sliding groove 1300 is formed at the left end of the rear surface of the pillow plate 130, the sliding rod 142 is located inside the sliding groove 1300 and can drive the fixing plate 141 to move, so that the fixing position of the fixing plate 141 can be adjusted, and the pillow is convenient for different patients to use.

Specifically, fixed plate 141 left end is equipped with connecting rod 1411, the connecting rod 1411 left end is equipped with turning block 1412, both ends all are equipped with rotation round bar 1413 around turning block 1412, top groove 1430 has been seted up on connecting plate 143 top, top groove trompil 1431 has been seted up to top groove 1430 inside, turning block 1412 is located inside top groove 1430, and rotate round bar 1413 and rotate with top groove trompil 1431 and be connected, be convenient for drive fixed plate 141 and rotate, thereby play the effect of accomodating fixed plate 141, the patient's head of being convenient for simultaneously is placed in the standing groove.

In addition, the rear end of the sliding rod 142 is provided with a rotating column 1421, the bottom end of the connecting plate 143 is provided with a through hole 1432, the rotating column 1421 is located inside the through hole 1432 to rotate, and the fixing plate 141 and the connecting plate 143 are folded and stored through the rotation of the connecting plate 143.

In addition, the surface of the connecting plate 143 is provided with a limiting block 1433 on the right side of the top slot 1430, so that the rotation of the fixing plate 141 is limited, and the bottom end of the rotating column 1421 is provided with a limiting edge 1422, so that the rotation of the connecting plate 143 is limited.

In the present embodiment, when the chin fixing device 140 is used, the connecting plate 143 is pushed upward to rotate clockwise around the center of the rotating column 1421, and stops when the connecting plate 143 rotates until the side surface of the connecting plate 143 contacts the limiting edge 1422, and then the fixing plate 141 is pushed upward to rotate clockwise around the center of the rotating rod 1413, and stops when the connecting rod 1411 rotates until the side surface of the connecting rod 1411 contacts the limiting block 1433, and then the sliding rod 142 is pushed toward the pillow plate 130 to slide the sliding rod 142 inside the sliding slot 1300, so as to drive the fixing plate 141 to move, and when the fixing plate 141 is tightly attached to the chin of the patient, the fixing operation of the chin is completed.

Further, fixed slot 1410 has been seted up to fixed plate 141 front surface inside, is convenient for stabilize the patient off duty, and fixed slot 1410 is inside to be equipped with the foam-rubber cushion, and curb plate 121 internal surface is equipped with sponge 123 in the curb plate, changes board 122 internal surface and is equipped with sponge 124 in the commentaries on classics board, is convenient for promote the travelling comfort of patient when using.

Specifically, top shell magnet 1123 is arranged at the rear end of the upper surface of top shell 112, rotating plate magnet 1223 is arranged at the front end of the outer surface of rotating plate 122, and rotating plate magnet 1223 is magnetically connected with top shell magnet 1123, so that the stability of the device can be improved conveniently by connecting top shell 112 with rotating plate 122.

In addition, a threaded hole 1301 is formed in the left side of the sliding groove 1300 of the pillow plate 130, the threaded hole 1301 is communicated with the sliding groove 1300, a screw 131 is connected to the inner portion of the threaded hole 1301 in a threaded manner, the right end of the screw 131 is tightly attached to the side surface of the sliding rod 142, the sliding rod 142 after sliding is conveniently fixed, and therefore the fixing plate 141 is stabilized.

In addition, the left end of the screw 131 is provided with a driving head 1311, the driving head 1311 is located on the left side of the pillow board 130, so that the screw 131 can be used conveniently, and the side surface of the driving head 1311 is provided with a plurality of auxiliary rods 1312, so that the comfort of the driving head 1311 during use can be improved conveniently.

Furthermore, a plurality of housing vents 1110 are formed on the surface of the housing 111, and a plurality of top housing vents 1120 are formed on the surface of the top housing 112, so that the ventilation effect is achieved.

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.

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