CN111991638B

CN111991638B - Hemodialysis upper limbs fixing device

Info

Publication number: CN111991638B
Application number: CN202010720698.XA
Authority: CN
Inventors: 姜敏; 万延信; 胡玉鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2023-02-24
Anticipated expiration: 2040-07-24
Also published as: CN111991638A

Abstract

The invention discloses a hemodialysis upper limb fixing device which comprises a base and two frames fixedly arranged on the base, wherein a support plate is fixedly connected to the base, the side surface of the support plate is rotatably connected with a first rotating roller, two annular frames are arranged above the base and are in butt joint with the first rotating roller for transmission, bent buckles are fixedly connected to two ends of each elastic sheet, and the bent buckles are clamped with a first pressing belt and a second pressing belt. According to the invention, the rotatable support supporting structure is adopted, so that the rotation is convenient under the condition of stable fixation during use, and the rotation movement is convenient during the use of a patient, the annular rotating frame storage structure is adopted, the groove is realized to store the second pressing belt, so that the sliding ring is convenient to store, and meanwhile, the staggered pressing belt pressing structure is adopted, so that the mutual clearance fit between the grooves and the second pressing belt is realized, and the staggered matching between the first pressing belt and the second pressing belt is convenient.

Description

Hemodialysis upper limbs fixing device

Technical Field

The invention belongs to the technical field of auxiliary supporting mechanisms, and particularly relates to a hemodialysis upper limb fixing device.

Background

Hemodialysis is one of the kidney replacement treatment modes of acute and chronic renal failure patients, and is characterized in that blood in vivo is drained to the outside of the body, and the blood and electrolyte solution with similar body concentration are arranged inside and outside one hollow fiber in a dialyzer consisting of a plurality of hollow fibers, so that the substance exchange is carried out by the principles of dispersion, ultrafiltration, adsorption and convection, the metabolic waste in the body is removed, and the electrolyte and acid-base balance are maintained; at the same time, the excess water in the body is removed, and the whole process of purified blood reinfusion is called hemodialysis.

Hemodialysis receives extensive use at modern times as a treatment mode, nevertheless some following weak points often can appear in the current hemodialysis operation process, often can carry out the fixed stay of longer time to the upper limbs during hemodialysis to reduce the possibility that the syringe needle appears droing, nevertheless long-time fixed can make patient's arm numb gradually, thereby cause the patient to use to experience relatively poorly.

Disclosure of Invention

The invention aims to: in order to solve the technical problem of reality existence, provide a hemodialysis upper limbs fixing device.

The technical scheme adopted by the invention is as follows:

the utility model provides a hemodialysis upper limbs fixing device, includes two frames of fixed mounting on base and the base, fixedly connected with extension board on the base, the extension board side is rotated and is connected with first commentaries on classics roller, the base top is provided with two annular frame, two annular frame and the transmission of first commentaries on classics roller butt, sliding connection has the sliding ring on the annular frame, the inboard fixedly connected with second of sliding ring is pressed the area, the annular frame inboard is rotated through the pivot and is connected with two second commentaries on classics rollers, two around having connect between the second commentaries on classics roller and pressing the area, two first press area and two second press and all be equipped with the shell fragment between the area, the equal fixedly connected with in shell fragment both ends is buckled, the curved knot is pressed with first area and the second and is pressed the area joint.

At least four first rotating rollers are arranged, and at least two of the first rotating rollers are in butt joint transmission with two sides of the bottom surface of the annular frame.

The inner cavity of the annular frame is provided with a sliding groove, the sliding groove is in clearance fit with the sliding ring, the bottom of the sliding ring is provided with a groove, and the groove is in clearance fit with the second pressing belt.

The inner cavity of the second rotating roller is provided with a rotating groove, a bolt is inserted in the rotating groove, and the inner side of the second rotating roller is rotatably connected with an opening rotating shaft.

The opening rotating shaft is fixedly connected with a plug pin, and the plug pin is inserted into the inner cavity of the annular frame.

The first pressing belt is provided with an inner cavity with an interval groove, and the interval groove is in clearance fit with the second pressing belt.

The side wall of the annular frame is rotatably connected with a buckle through a rotating shaft, and the buckle is clamped with the sliding ring outer side tooth structure.

The frame is internally sleeved with a connecting rod, and the connecting rod is abutted to the top end of the sliding ring.

The two annular frames are fixedly connected with sleeves on the side close to each other, and a sliding rod is sleeved between the two sleeves on the side close to each other.

And one end of the slip ring, which is far away from the buckle, is fixedly connected with a magnetic fastener, and the magnetic fastener is abutted with the annular frame in a fitting manner.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, a rotatable support structure is adopted, the gap fit between the annular frame and the slip ring is adopted, the inner side of the slip ring is fixedly connected to obtain the second pressing belt, the second rotating roller which is rotatably connected in the annular frame is adopted, the first pressing belt which is wound outside the second rotating roller is adopted, and meanwhile, the bent buckles which are fixedly connected with the two ends of the elastic sheet are adopted and are clamped with the first pressing belt and the second pressing belt, so that the first pressing belt and the second pressing belt are mutually clamped and used through the two elastic sheets, the rotation of the annular frame is controlled, the rotation is conveniently carried out under the condition of stable fixation when the device is used, and the rotation movement is carried out when a patient is used.

2. According to the invention, the annular rotating frame storage structure is adopted, the sliding connection between the sliding groove and the sliding ring is adopted, the clamping connection between the buckle and the tooth structure on the outer side of the sliding ring is adopted, and the rotating connection between the buckle and the annular frame is adopted, so that the sliding ring and the buckle are mutually embedded and stored, and meanwhile, the groove formed in the inner cavity of the ring is adopted, so that the groove is used for storing the second pressing belt, the sliding ring is convenient to store, and the sliding ring is convenient to unfold, store and fold.

3. According to the invention, a staggered pressing belt pressing structure is adopted, the sleeve fixedly connected with one side of the two annular frames close to each other and the sliding rod sleeved between the sleeves are adopted, so that the axial spacing between the two annular frames is realized, the connecting rod sleeved on the frame is adopted, the sliding ring is abutted and limited by the connecting rod, and meanwhile, the spacing groove is in clearance fit with the second pressing belt through the spacing groove formed in the first pressing belt, so that the first pressing belt and the second pressing belt are in staggered fit, and the upper limb of a patient can be conveniently fixed and used.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic diagram of a side sectional structure of a perspective view in the present invention;

FIG. 3 is a schematic diagram of a central vertical section of a perspective view in the present invention;

FIG. 4 is a schematic diagram of a horizontal sectional structure of a perspective view in the present invention;

FIG. 5 is a schematic diagram of an enlarged structure at A in the present invention;

FIG. 6 is an enlarged schematic diagram of the structure at B in the present invention.

The mark in the figure is: 1. a first press belt; 2. a second press belt; 3. a connecting rod; 4. a slide bar; 5. a frame; 6. an annular frame; 7. a support plate; 8. a first rotating roller; 9. a sleeve; 10. a base; 11. a spring plate; 12. bending and buckling; 13. a magnetic fastener; 14. a slip ring; 15. a groove; 16. buckling; 17. a chute; 18. a second rotating roller; 19. an opening rotating shaft; 20. a bolt; 21. a spacing groove; 22. and (6) rotating the groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

In the first embodiment, referring to fig. 1 to 5, a hemodialysis upper limb fixing device includes a base 10 and two frames 5 fixedly mounted on the base 10, a supporting plate 7 is fixedly connected on the base 10, a first rotating roller 8 is rotatably connected to the side surface of the supporting plate 7, two annular frames 6 are arranged above the base 10, the two annular frames 6 are in butt transmission with the first rotating roller 8, a slip ring 14 is slidably connected on the annular frame 6, a second pressing belt 2 is fixedly connected on the inner side of the slip ring 14, two second rotating rollers 18 are rotatably connected on the inner side of the annular frame 6 through a rotating shaft, a first pressing belt 1 is connected between the two second rotating rollers 18 in a winding manner, elastic pieces 11 are arranged between the two first pressing belts 1 and the two second pressing belts 2, bending buckles 12 are fixedly connected at both ends of the annular frames 11, the bending buckles 12 are clamped with the first pressing belts 1 and the second pressing belts 2, so that the two elastic pieces 11 are attached to upper limbs of a patient, and the elastic pieces 11 are driven to deflect when the two annular frames 6 integrally rotate, so that the patient can deflect the needle head when the patient is supported by pressing.

In the second embodiment, referring to fig. 1 to 5, at least four first rotating rollers 8 are provided, at least two first rotating rollers 8 of the at least four first rotating rollers 8 are in butt transmission with two sides of the bottom surface of the annular frame 6, a sliding groove 17 is formed in an inner cavity of the annular frame 6, the sliding groove 17 is in clearance fit with the sliding ring 14, a groove 15 is formed in the bottom of the sliding ring 14, the groove 15 is in clearance fit with the second pressing belt 2, a rotating groove 22 is formed in an inner cavity of the second rotating roller 18, a plug pin 20 is inserted into the rotating groove 22, an opening rotating shaft 19 is rotatably connected to the inner side of the second rotating roller 18, the opening rotating shaft 19 is fixedly connected with the plug pin 20, the plug pin 20 is inserted into the inner cavity of the annular frame 6, so that the sliding ring 14 can slide into the inner cavity of the annular frame 6 for storage, and the second pressing belt 2 can be received into the inner cavity of the sliding ring 14, so that the integral mechanism can be conveniently stored and unfolded for use, and the plug pin 20 is inserted into the rotating groove 22 and the annular frame 6 so that the annular frame 6 can be mutually clamped for limiting use, so that the first pressing belt 1 can be adjusted for limiting use.

Embodiment three, referring to fig. 1-5, first press 1 inner chamber of area to have offered groove 21 between, 2 clearance fit are pressed with the second press to groove 21 between, 6 lateral walls of annular frame are rotated through the pivot and are connected with buckle 16, buckle 16 and the 14 outside tooth structure joint of sliding ring, frame 5 endotheca is equipped with connecting rod 3, connecting rod 3 and the 14 top butt of sliding ring, the equal fixedly connected with sleeve 9 of one side that two annular frames 6 are close to each other, the cover is equipped with slide bar 4 between the one side that two sleeve 9 are close to each other, one end fixedly connected with magnetic buckle spare 13 that buckle 16 was kept away from to sliding ring 14, magnetic buckle spare 13 and the 6 laminating butt of annular frame, make first press to press and carry out crisscross cooperation use through groove 21 between the area 2 with the second press, thereby make first press to press area 1 and press 2 reverse compaction of second press, so that carry out the spacing use of reverse compaction with the upper limbs.

The working principle is as follows: firstly, a second pressing belt 2 is obtained through clearance fit between the annular frame 6 and the sliding ring 14 and fixed connection of the inner side of the sliding ring 14, then a second rotating roller 18 which is rotationally connected in the annular frame 6, a first pressing belt 1 which is wound on the outer side of the second rotating roller 18, a bent buckle 12 which is fixedly connected with two ends of the elastic sheet 11, and clamping connection of the bent buckle 12 with the first pressing belt 1 and the second pressing belt 2 are realized, so that the first pressing belt 1 and the second pressing belt 2 are mutually clamped and used through the two elastic sheets 11, and meanwhile, the rotation of the annular frame 6 is controlled through abutting transmission between the annular frame 6 and the first rotating roller 8, so that the rotation is realized under the condition of fixing stability during the use, and the rotation movement is realized during the use; secondly, the sliding connection between the sliding groove 17 and the sliding ring 14, the clamping connection between the buckle 16 and the tooth structure on the outer side of the sliding ring 14 and the rotating connection between the buckle 16 and the annular frame 6 enable the sliding ring 14 and the buckle 16 to be embedded and stored in each other, and the groove 15 formed in the inner cavity of the sliding ring 14 enables the groove 15 to store the second pressing belt 2, so that the sliding ring 14 can be stored conveniently, and the sliding ring 14 can be unfolded, stored and folded conveniently; finally, one side fixed connection's sleeve 9 through two annular frame 6 are close to each other, and the slide bar 4 that the cover was established between the sleeve 9, it is spacing to make the axial between two annular frame 6, connecting rod 3 that the cover was established on the rethread frame 5, it is spacing to make connecting rod 3 carry out the butt with sliding ring 14, simultaneously through the first groove 21 between pressing to offer on 1 of area, thereby make between groove 21 and the second press the area 2 clearance fit of each other, so that the first pressure area 1 and the second press the area 2 crisscross cooperation, thereby be convenient for fix the use to patient's upper limbs.

The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Claims

1. The utility model provides a hemodialysis upper limbs fixing device, includes two frames (5) of fixed mounting on base (10) and base (10), its characterized in that: the base (10) is fixedly connected with a support plate (7), the side face of the support plate (7) is rotatably connected with a first rotating roller (8), two annular frames (6) are arranged above the base (10), the two annular frames (6) are in butt joint with the first rotating roller (8) for transmission, a sliding ring (14) is slidably connected onto the annular frames (6), a second pressing belt (2) is fixedly connected onto the inner side of the sliding ring (14), the inner side of each annular frame (6) is rotatably connected with two second rotating rollers (18) through a rotating shaft, a first pressing belt (1) is wound between the two second rotating rollers (18), elastic sheets (11) are arranged between the two first pressing belts (1) and the two second pressing belts (2), two ends of each elastic sheet (11) are fixedly connected with bending buckles (12), and the bending buckles (12) are clamped with the first pressing belts (1) and the second pressing belts (2);

at least four first rotating rollers (8) are arranged, and at least two first rotating rollers (8) in the at least four first rotating rollers (8) are in butt joint transmission with two sides of the bottom surface of the annular frame (6);

a sliding groove (17) is formed in the inner cavity of the annular frame (6), the sliding groove (17) is in clearance fit with the sliding ring (14), a groove (15) is formed in the bottom of the sliding ring (14), and the groove (15) is in clearance fit with the second pressing belt (2);

a rotary groove (22) is formed in the inner cavity of the second rotary roller (18), a plug pin (20) is inserted in the rotary groove (22), and an opening rotary shaft (19) is rotatably connected to the inner side of the second rotary roller (18);

the opening rotating shaft (19) is fixedly connected with a bolt (20), and the bolt (20) is inserted into the inner cavity of the annular frame (6);

an inner cavity of the first pressing belt (1) is provided with an interval groove (21), and the interval groove (21) is in clearance fit with the second pressing belt (2).

2. The hemodialysis upper limb fixation device of claim 1, wherein: the side wall of the annular frame (6) is rotatably connected with a buckle (16) through a rotating shaft, and the buckle (16) is clamped with a tooth structure on the outer side of the sliding ring (14).

3. The hemodialysis upper limb fixation device of claim 1, wherein: the frame (5) is internally sleeved with a connecting rod (3), and the connecting rod (3) is abutted against the top end of the sliding ring (14).

4. The hemodialysis upper limb fixation device of claim 1, wherein: two the equal fixedly connected with sleeve (9) in one side that annular frame (6) are close to each other, two sleeve (9) are equipped with slide bar (4) between the one side that is close to each other.

5. The hemodialysis upper limb fixation device of claim 1, wherein: one end of the sliding ring (14) far away from the buckle (16) is fixedly connected with a magnetic fastener (13), and the magnetic fastener (13) is attached and abutted to the annular frame (6).