CN113975033B

CN113975033B - Combined protection device for hemodialysis

Info

Publication number: CN113975033B
Application number: CN202111368817.0A
Authority: CN
Inventors: 马思慧; 蔡佳杰
Original assignee: Beijing Luhe Hospital
Current assignee: Beijing Luhe Hospital
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2023-04-25
Anticipated expiration: 2041-11-18
Also published as: CN113975033A

Abstract

The invention relates to the technical field of hemodialysis and discloses a combined type protection device for hemodialysis, which comprises a lower clamping seat and an upper clamping seat arranged above the lower clamping seat, wherein arc-shaped grooves for clamping arms are formed on opposite sides of the lower clamping seat and the upper clamping seat, fixing blocks are fixedly arranged on the left side and the right side of the lower clamping seat, fixing rods are fixedly arranged on the tops of the two fixing blocks, the two fixing rods are respectively inserted into the two inserting blocks, and the two inserting blocks are respectively fixedly arranged on the left side and the right side of the upper clamping seat; after fixing the arm through last cassette and lower cassette, keep can lead to arm ache in a posture for a long time, can direct sideslip arm adjustment arm's position this moment, and the arm drives the pull rod through last cassette, lower cassette and end cabinet when sideslip arm and draws in drawing the section of thick bamboo, adjustment position that can be very convenient makes the arm be in comfortable position, more is convenient for hemodialysis go on.

Description

Combined protection device for hemodialysis

Technical Field

The invention relates to the technical field of hemodialysis, in particular to a combined protection device for hemodialysis.

Background

Hemodialysis is called hemodialysis for short, popular speaking is also called artificial kidney and kidney washing, is a blood purification technology, and achieves the aim of purifying blood by dispersing, removing various harmful and redundant metabolic wastes and excessive electrolytes in fluid from the body by utilizing the semipermeable membrane principle, and simultaneously achieves the effect of correcting water electrolyte and acid-base balance;

during hemodialysis treatment, the dialysis time of a patient is more than four hours, the patient is asleep, sits or is not subjected to autonomous activities, needle removal and blood vessel puncture are easily caused, pain is brought to the patient, the working difficulty of medical staff is increased, meanwhile, the common part for hemodialysis is generally an arteriovenous fistula of an upper limb, if the arm of the patient is not protected by a good protection device, when the arm of the patient is pressed or touched by other foreign objects, the corresponding internal fistula puncture needle can be touched, and the corresponding internal fistula puncture needle can puncture the arteriovenous blood vessel of the patient to cause subcutaneous hematoma, so that pain is brought to the patient; thus, there is a need for a device for securing an arm that provides a better therapeutic environment for hemodialysis;

the Chinese patent bulletin number is: the invention patent of CN113230472A, it provides a kind of combined protective device used for hemodialysis, including the protective component used for protecting the dialysis department, the bottom of the said protective component has receivable fixing components, is used for fixing the whole apparatus on the bed edge, the inner face of the said protective component has heating components, make the dialysis department is always in the constant temperature state, the invention is through setting up upper shield and lower shield hinged each other, and cooperate with the locking structure to realize that both form the oval hole, facilitate placing the dialysis department of the patient's arm into, thus form the protective layer, reduce the injury produced by touching by mistake; meanwhile, the constant temperature system consisting of the heating pad, the temperature sensor and the temperature controller is arranged on the inner surface of the protection component, so that the temperature around the arm of the patient is always in a constant temperature state, and the exposed arm is prevented from being subjected to cold stimulation.

In the above protection device, although the arm can be fixed, and the temperature around the arm can be kept constant, in practical application, we find that there is still a certain disadvantage, such as:

in the protection device, the position of the protection device is inconvenient to adjust after the protection device is installed, and the arm is in a posture for a long time, so that the protection device is very easy to be tingled, not only is uncomfortable, but also is unfavorable for blood circulation;

based on this, we propose a combined protection device for hemodialysis, which is hoped to solve the shortcomings in the prior art.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides a combined type protection device for hemodialysis, which has the advantage of being convenient for adjusting the position of the protection device.

(II) technical scheme

In order to achieve the purpose of conveniently adjusting the position of the protection device, the invention provides the following technical scheme: the combined type protection device for hemodialysis comprises a lower clamping seat and an upper clamping seat arranged above the lower clamping seat, wherein arc-shaped grooves for clamping arms are formed in the opposite sides of the lower clamping seat and the upper clamping seat, fixing blocks are fixedly arranged on the left side and the right side of the lower clamping seat, fixing rods are fixedly arranged on the tops of the two fixing blocks, the two fixing rods are respectively inserted into the two inserting blocks, and the two inserting blocks are respectively fixedly arranged on the left side and the right side of the upper clamping seat;

the bottom of lower cassette is fixed mounting has the end cabinet, the outer wall fixed mounting of end cabinet has the pole of taking out, take out the pole and insert and establish the inside at the drawing cylinder.

As a preferable technical scheme of the invention, the tail end of the drawing cylinder is fixedly provided with a mounting plate, the edge of the mounting plate is uniformly provided with mounting grooves, and the inner wall of each mounting groove is movably provided with bolts.

As a preferable technical scheme of the invention, an inner cavity is formed in the lower clamping seat, and an arc-shaped supporting pad is arranged at the top of the inner cavity;

the lower part of the supporting pad is rotatably provided with a rotating shaft, the outer wall of the rotating shaft is uniformly provided with a plurality of massage wheels, and the outer wall of the massage wheels is uniformly provided with protruding blocks.

As a preferable technical scheme of the invention, both ends of the rotating shaft are rotatably arranged on the inner side wall of the inner cavity;

the diameters of the massage wheels are gradually increased from the middle part of the rotating shaft to the two sides of the rotating shaft, and the radian formed between the tops of the massage wheels is matched with the radian of the supporting pad.

As a preferable technical scheme of the invention, a linkage mechanism is arranged between the rotating shaft and the drawing cylinder, and the linkage mechanism is used for synchronously driving the rotating shaft to rotate when the drawing rod is drawn in the drawing cylinder.

As a preferable technical scheme of the invention, the linkage mechanism comprises a rack, a vertical shaft, a driving wheel, a synchronous belt, a driven wheel, a vertical rod, a first bevel gear, a second bevel gear, a rotating cylinder, a linkage wheel and a linkage belt;

the left end of the interior of the drawing rod is rotatably provided with a vertical shaft, the top and the bottom of the outer wall of the vertical shaft are fixedly provided with driving wheels, one side of each driving wheel extends to the exterior of the drawing rod and is meshed with a rack, and the racks are fixedly arranged on the inner side wall of the drawing barrel;

the middle part of the outer wall of the vertical shaft is fixedly provided with a driving wheel, the outer wall of the driving wheel is movably connected with a driven wheel through a synchronous belt, the driven wheel is fixedly arranged on the outer wall of a vertical rod, and the vertical rod is rotatably arranged on the inner bottom wall of the bottom cabinet;

the top of the vertical rod is fixedly provided with a first bevel gear, the outer wall of the first bevel gear is meshed with a second bevel gear, the second bevel gear is fixedly arranged on the outer wall of the rotating cylinder, and the left end and the right end of the rotating cylinder are respectively arranged on the inner side wall of the bottom cabinet through tail rods in a rotating way;

the outer wall of the rotating shaft is fixedly provided with a linkage wheel, and the linkage wheel is connected with the rotating cylinder through a linkage belt.

As a preferable technical scheme of the invention, the outer wall of the drawing rod is fixedly provided with a sliding block, the sliding block is arranged on the inner wall of a sliding groove in a sliding way, and the sliding groove is arranged on the inner wall of a drawing cylinder;

the inside of slider is inserted and is equipped with the guide bar, both ends are all fixed mounting on the inside wall of spout about the guide bar.

As a preferable technical scheme of the invention, the top of the fixed rod is fixedly provided with a limiting plate;

the outside cover of dead lever is equipped with the spring, spring fixed connection is between inserted block and limiting plate.

As a preferable technical scheme of the invention, the inner wall of the arc-shaped groove of the upper clamping seat is provided with a tube groove, the inner wall of the tube groove is provided with an arc-shaped tube, and the bottom of the arc-shaped tube is uniformly provided with a medicine outlet tube;

the inside of going up the cassette is provided with the medical kit, be connected through the conveyer pipe between the bottom of medical kit and the arc pipe, the inside of conveyer pipe is provided with the control valve.

As a preferable technical scheme of the invention, the left and right side walls of the upper clamping seat are also provided with vertical grooves, the inside of the vertical grooves is movably provided with a trigger plate, and the trigger plate is fixedly arranged on the outer wall of the limiting plate;

the inner bottom wall of the vertical groove is provided with a trigger switch, and the output end of the trigger switch is electrically connected with the input end of the control valve.

(III) beneficial effects

Compared with the prior art, the invention provides a combined protection device for hemodialysis, which has the following beneficial effects:

1. this a combination formula protection device for hemodialysis, during hemodialysis, put the arm between lower cassette and last cassette, through last cassette and the arc wall of the opposite one side of lower cassette just can fix the position of arm, prevent that the arm from removing, fix more convenient, and fixed effect is better.

2. This a combination formula protection device for hemodialysis, after fixed arm, keep can lead to arm ache in a posture for a long time, can direct sideslip arm adjustment arm's position this moment, and the arm drives the pull rod through last cassette, lower cassette and end cabinet and pulls in the drawing cylinder when sideslip arm, adjustment position that can be very convenient makes the arm be in comfortable position, more is convenient for hemodialysis go on.

3. This a combination formula protection device for hemodialysis, sideslip arm makes the pull pole in the drawing the barrel, the drive wheel can rotate under the rack effect of drawing the barrel inner wall, the drive wheel rotation drives the vertical axis rotation, the vertical axis rotation drives the action wheel rotation, the action wheel rotation drives the follow driving wheel rotation through the hold-in range, the rotation of follow driving wheel rotation drives the montant in the cabinet, the montant rotation drives the rotatory first bevel gear at its top, the rotatory second bevel gear that drives its outer wall meshing of first bevel gear rotates, the rotatory messenger rotary cylinder is in the cabinet transversely rotated, the rotary cylinder is in the cabinet transversely rotated, can drive the pivot rotation through the gangbelt and the linkage wheel, the rotatory a plurality of massage wheel that drives its outer wall setting of pivot is rotatory, a plurality of massage wheel is rotatory, the lug that its outer wall evenly sets up can contact in proper order and jack-up the support pad, thereby can massage the arm on the support pad, on the one hand, can alleviate the symptom of arm tingling, on the other hand also can promote blood circulation, improve patient's comfort level.

4. This a combination formula protection device for hemodialysis, go up the cassette setting at the top of cassette down, hand-held handle upwards lifts the cassette, enlarge the distance between last cassette and the lower cassette, just can place the arm of handle between last cassette and lower cassette this moment, when upwards lifting up the cassette, the inserted block of going up the cassette both sides can upwards move and compress the spring, after unclamping the handle, go up the cassette and can descend under the elasticity of spring and the effect of last cassette self gravity to can block the arm, fix its position.

5. This a combined type protection device for hemodialysis, the tube chute has been seted up to the inner wall of going up cassette arc wall, the inner wall of tube chute is provided with the arcwall pipe, the bottom of arcwall pipe evenly is provided with out the pencil, be connected through the conveyer pipe between arcwall pipe and the medical kit, open the control valve on the conveyer pipe, the disinfection liquid medicine in the medical kit just can be discharged from out the pencil through conveyer pipe and arcwall pipe, spout on the support pad of cassette down, disinfect the support pad, guarantee the cleanness of support pad, prevent cross infection, convenient cyclic utilization.

6. This a combination formula protection device for hemodialysis, when upwards mentioning the cassette, trigger plate on the limiting plate outer wall slides in perpendicular inslot, and when the cassette mentionen to the maximum height, the trigger plate just contacts trigger switch to trigger switch, trigger switch's output and the input electric connection of control valve, when trigger switch is triggered, automatic make the control valve open, thereby can automatic discharge disinfection liquid medicine.

Drawings

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

FIG. 2 is a cross-sectional view of the barrel portion of the present invention;

FIG. 3 is an enlarged schematic view of the barrel portion of the present invention;

FIG. 4 is an enlarged schematic view of a drive wheel portion of the present invention;

FIG. 5 is a rear view of the stem portion of the present invention;

FIG. 6 is a cross-sectional view of a lower cartridge portion of the present invention;

FIG. 7 is an enlarged schematic view of a shaft portion of the present invention;

FIG. 8 is an enlarged schematic view of the upper cartridge portion of the present invention;

fig. 9 is a cross-sectional view of the upper cartridge portion of the present invention.

In the figure: 1. a lower clamping seat; 2. an upper clamping seat; 3. a fixed block; 4. a fixed rod; 5. inserting blocks; 6. a spring; 7. a limiting plate; 8. a bottom cabinet; 9. a rod is pulled out; 10. drawing a cylinder; 11. a mounting plate; 12. a mounting groove; 13. a slide block; 14. a chute; 15. a guide rod; 16. a rack; 17. a vertical axis; 18. a driving wheel; 19. a driving wheel; 20. a synchronous belt; 21. driven wheel; 22. a vertical rod; 23. a first bevel gear; 24. a second bevel gear; 25. a rotating cylinder; 26. tail rod; 27. an inner cavity; 28. a support pad; 29. a rotating shaft; 30. a massage wheel; 31. a bump; 32. a linkage wheel; 33. a linkage belt; 34. a handle; 35. a vertical groove; 36. a trigger plate; 37. triggering a switch; 38. a medicine box; 39. a tube groove; 40. an arc tube; 41. a delivery tube; 42. and a control valve.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.

Embodiment one:

referring to fig. 1, a combined protection device for hemodialysis comprises a lower clamping seat 1 and an upper clamping seat 2 arranged above the lower clamping seat 1, wherein arc grooves for clamping arms are formed on opposite sides of the lower clamping seat 1 and the upper clamping seat 2, and when in hemodialysis, the arms are placed between the lower clamping seat 1 and the upper clamping seat 2, the positions of the arms can be fixed through the arc grooves on opposite sides of the upper clamping seat 2 and the lower clamping seat 1, so that the arms are prevented from moving, the fixing is more convenient, and the fixing effect is better;

the left side and the right side of the lower clamping seat 1 are fixedly provided with fixed blocks 3, the tops of the two fixed blocks 3 are fixedly provided with fixed rods 4, the two fixed rods 4 are respectively inserted into the two inserting blocks 5, the two inserting blocks 5 are respectively fixedly arranged at the left side and the right side of the upper clamping seat 2, the inserting of the fixed rods 4 in the inserting blocks 5 plays a role in guiding, and the upper clamping seat 2 can move up and down right above the lower clamping seat 1;

the bottom of the lower clamping seat 1 is fixedly provided with the bottom cabinet 8, the outer wall of the bottom cabinet 8 is fixedly provided with the drawing rod 9, the drawing rod 9 is inserted into the drawing cylinder 10, after an arm is fixed, the arm can be possibly caused to be ache in the arm after being kept in a posture for a long time, the arm can be directly transversely moved to adjust the position of the arm at the moment, and the arm drives the drawing rod 9 to draw in the drawing cylinder 10 through the upper clamping seat 2, the lower clamping seat 1 and the bottom cabinet 8 when the arm is transversely moved, so that the position can be conveniently adjusted, the arm is in a comfortable position, and the hemodialysis is more conveniently carried out;

the mounting plate 11 is fixedly mounted at the tail end of the drawing cylinder 10, the mounting grooves 12 are uniformly formed in the edge of the mounting plate 11, bolts are movably arranged on the inner wall of the mounting groove 12, and the mounting plate 11 can be fixed to the bedside, the table edge and the like through the bolts and the mounting grooves 12, so that the mounting is more convenient.

Embodiment two:

referring to fig. 2-7, based on the first embodiment, an inner cavity 27 is formed in the lower card seat 1, an arc-shaped bearing pad 28 is arranged at the top of the inner cavity 27, and arms are placed on the bearing pad 28, so that the lower card seat is softer and more comfortable, and the fixing effect is better;

a rotating shaft 29 is rotatably arranged below the supporting pad 28, both ends of the rotating shaft 29 are rotatably arranged on the inner side wall of the inner cavity 27, a plurality of massage wheels 30 are uniformly arranged on the outer wall of the rotating shaft 29, and protruding blocks 31 are uniformly arranged on the outer wall of the plurality of massage wheels 30;

referring to fig. 7, the diameters of the massage wheels 30 gradually increase from the middle of the rotating shaft 29 to two sides of the rotating shaft 29, and the radian formed between the tops of the massage wheels 30 is matched with the radian of the supporting pad 28, so that when the massage wheels 30 rotate, the supporting pad 28 can be sequentially contacted and lifted by the convex blocks 31 on the outer wall of the massage wheels, and the arms on the supporting pad 28 can be massaged, so that on one hand, the symptoms of arm tingling can be relieved, on the other hand, the blood circulation can be promoted, and the comfort of a patient can be improved; in the present embodiment, the massage wheels 30 are provided with seven, and are distributed symmetrically;

a linkage mechanism is arranged between the rotating shaft 29 and the drawing cylinder 10, when the drawing rod 9 is drawn in the drawing cylinder 10, the linkage mechanism is used for synchronously driving the rotating shaft 29 to rotate, in this embodiment, the linkage mechanism comprises a rack 16, a vertical shaft 17, a driving wheel 18, a driving wheel 19, a synchronous belt 20, a driven wheel 21, a vertical rod 22, a first bevel gear 23, a second bevel gear 24, a rotating cylinder 25, a linkage wheel 32 and a linkage belt 33, and specifically:

the left end in the drawing rod 9 is rotatably provided with a vertical shaft 17, the top and the bottom of the outer wall of the vertical shaft 17 are fixedly provided with driving wheels 18, one side of each driving wheel 18 extends to the outside of the drawing rod 9 and is meshed with a rack 16, and the rack 16 is fixedly arranged on the inner side wall of the drawing barrel 10;

the middle part of the outer wall of the vertical shaft 17 is fixedly provided with a driving wheel 19, the outer wall of the driving wheel 19 is movably connected with a driven wheel 21 through a synchronous belt 20, the driven wheel 21 is fixedly arranged on the outer wall of a vertical rod 22, and the vertical rod 22 is rotatably arranged on the inner bottom wall of the bottom cabinet 8;

the top of the vertical rod 22 is fixedly provided with a first bevel gear 23, the outer wall of the first bevel gear 23 is meshed with a second bevel gear 24, the second bevel gear 24 is fixedly arranged on the outer wall of a rotating cylinder 25, the left end and the right end of the rotating cylinder 25 are respectively arranged on the inner side wall of the bottom cabinet 8 in a rotating way through a tail rod 26, the outer wall of a rotating shaft 29 is fixedly provided with a linkage wheel 32, and the linkage wheel 32 is connected with the rotating cylinder 25 through a linkage belt 33;

when the drawing rod 9 is drawn in the drawing cylinder 10 by the transverse arm, the driving wheel 18 rotates under the action of the rack 16 on the inner wall of the drawing cylinder 10, the driving wheel 18 rotates to drive the vertical shaft 17 to rotate, the vertical shaft 17 rotates to drive the driving wheel 19 to rotate, the driving wheel 19 rotates to drive the driven wheel 21 to rotate through the synchronous belt 20, the driven wheel 21 rotates to drive the vertical rod 22 in the bottom cabinet 8 to rotate, the vertical rod 22 rotates to drive the first bevel gear 23 on the top of the vertical rod, the first bevel gear 23 rotates to drive the second bevel gear 24 engaged with the outer wall of the first bevel gear 23 to rotate, the second bevel gear 24 rotates to enable the rotating cylinder 25 to transversely rotate in the bottom cabinet 8, when the rotating cylinder 25 transversely rotates in the bottom cabinet 8, the rotating cylinder 29 can drive the rotating shaft 29 to rotate through the linkage belt 33 and the linkage wheel 32, the plurality of massage wheels 30 arranged on the outer wall of the rotating shaft 29 are uniformly arranged, the protruding blocks 31 on the outer wall of the rotating wheel can sequentially contact and jack up the support pad 28, thereby massaging the arm on the support pad 28, relieving the arm tingling and promoting local blood circulation, and simultaneously relaxing the mind and body of a patient, and facilitating blood dialysis;

the outer wall of the drawing rod 9 is fixedly provided with a sliding block 13, the sliding block 13 is arranged on the inner wall of a sliding groove 14 in a sliding way, the sliding groove 14 is arranged on the inner wall of the drawing cylinder 10, a guide rod 15 is inserted into the sliding block 13, and the left end and the right end of the guide rod 15 are fixedly arranged on the inner side wall of the sliding groove 14;

the sliding arrangement of the sliding block 13 in the sliding groove 14 can enable the drawing of the drawing rod 9 in the drawing cylinder 10 to be more stable, the drawing cylinder 10 cannot be separated, the sliding of the guiding rod 15 in the sliding block 13 is further limited, and the sliding is smooth.

Embodiment III:

referring to fig. 8 and 9, on the basis of the first embodiment and the second embodiment, a handle 34 is provided at the top of the upper clamping seat 2, a limiting plate 7 is fixedly installed at the top of the fixing rod 4, a spring 6 is sleeved outside the fixing rod 4, and the spring 6 is fixedly connected between the insert block 5 and the limiting plate 7;

the upper clamping seat 2 is arranged at the top of the lower clamping seat 1, the upper clamping seat 2 is lifted upwards by the hand-held handle 34, the distance between the upper clamping seat 2 and the lower clamping seat 1 is enlarged, at the moment, a handle arm can be placed between the upper clamping seat 2 and the lower clamping seat 1, when the upper clamping seat 2 is lifted upwards, the inserting blocks 5 at two sides of the upper clamping seat 2 can move upwards and compress the spring 6, after the handle 34 is loosened, the upper clamping seat 2 can descend under the action of the elasticity of the spring 6 and the gravity of the upper clamping seat 2, so that the arm can be clamped, and the position of the arm can be fixed;

the inner wall of the arc-shaped groove of the upper clamping seat 2 is provided with a tube groove 39, the inner wall of the tube groove 39 is provided with an arc-shaped tube 40, the bottom of the arc-shaped tube 40 is uniformly provided with a medicine outlet tube, the inside of the upper clamping seat 2 is provided with a medicine box 38, the bottom of the medicine box 38 is connected with the arc-shaped tube 40 through a conveying tube 41, the inside of the conveying tube 41 is provided with a control valve 42, the control valve 42 on the conveying tube 41 is opened, disinfection liquid medicine in the medicine box 38 can be discharged from the medicine outlet tube through the conveying tube 41 and the arc-shaped tube 40 and sprayed on the bearing pad 28 of the lower clamping seat 1 to disinfect the bearing pad 28, so that the cleaning of the bearing pad 28 is ensured, cross infection is prevented, and the disinfection device is convenient to recycle;

the left and right side walls of the upper clamping seat 2 are also provided with vertical grooves 35, trigger plates 36 are movably arranged in the vertical grooves 35, the trigger plates 36 are fixedly arranged on the outer walls of the limiting plates 7, the inner bottom wall of the vertical grooves 35 is provided with trigger switches 37, and the output ends of the trigger switches 37 are electrically connected with the input ends of the control valves 42;

when the upper clamping seat 2 is lifted upwards, the trigger plate 36 on the outer wall of the limiting plate 7 slides in the vertical groove 35, when the upper clamping seat 2 is lifted to the maximum height, the trigger plate 36 contacts the trigger switch 37, so that the trigger switch 37 is triggered, the output end of the trigger switch 37 is electrically connected with the input end of the control valve 42, and when the trigger switch 37 is triggered, the control valve 42 is automatically opened, so that the disinfection liquid medicine can be automatically discharged;

in actual use, the upper clamping seat 2 is generally lifted when the arm is required to be put in or taken out, the upper clamping seat 2 is lifted when the arm is required to be put in, and the arc-shaped pipe 40 sprays disinfection liquid medicine through the medicine outlet pipe, so that the bearing pad 28 can be disinfected, bacteria are prevented from remaining on the bearing pad 28, and cross infection is avoided; when the arm is required to be taken out, the upper clamping seat 2 is lifted, and the arc-shaped tube 40 sprays disinfection liquid medicine through the medicine outlet tube, so that the arm can be disinfected, and bacteria on the arm are prevented from being remained;

in this embodiment, the trigger switch 37 may be a micro switch, a pressure sensor, or other contact switch, and may be set according to actual needs.

The working principle and the using flow of the invention are as follows:

when in hemodialysis, the arm is placed between the lower clamping seat 1 and the upper clamping seat 2, the position of the arm can be fixed through the arc-shaped grooves on the opposite sides of the upper clamping seat 2 and the lower clamping seat 1, the arm is prevented from moving, the fixing is more convenient, and the fixing effect is better;

after fixing the arm, the arm can be kept in a posture for a long time, so that the arm can be directly moved transversely to adjust the position of the arm, and the arm drives the drawing rod 9 to draw in the drawing cylinder 10 through the upper clamping seat 2, the lower clamping seat 1 and the bottom cabinet 8 when moving transversely, so that the position can be very conveniently adjusted, the arm is in a comfortable position, and the hemodialysis is more convenient to carry out;

when the drawing rod 9 is drawn in the drawing cylinder 10 by the transverse arm, the driving wheel 18 rotates under the action of the rack 16 on the inner wall of the drawing cylinder 10, the driving wheel 18 rotates to drive the vertical shaft 17 to rotate, the vertical shaft 17 rotates to drive the driving wheel 19 to rotate, the driving wheel 19 rotates to drive the driven wheel 21 to rotate through the synchronous belt 20, the driven wheel 21 rotates to drive the vertical rod 22 in the bottom cabinet 8 to rotate, the vertical rod 22 rotates to drive the first bevel gear 23 on the top of the vertical rod, the first bevel gear 23 rotates to drive the second bevel gear 24 engaged with the outer wall of the first bevel gear 23 to rotate, the second bevel gear 24 rotates to enable the rotating cylinder 25 to transversely rotate in the bottom cabinet 8, when the rotating cylinder 25 transversely rotates in the bottom cabinet 8, the rotating shaft 29 rotates to drive the plurality of massage wheels 30 arranged on the outer wall of the rotating shaft through the linkage belt 33 and the linkage wheels 32, and when the plurality of massage wheels 30 rotate, the bumps 31 uniformly arranged on the outer wall of the rotating shaft can sequentially contact and jack up the support pads 28, so that the arm on the support pads 28 can be massaged, on the hand, the symptoms of the arm can be relieved, and on the other hand, the comfort of a patient can be promoted;

the inner wall of the arc-shaped groove of the upper clamping seat 2 is provided with a pipe groove 39, the inner wall of the pipe groove 39 is provided with an arc-shaped pipe 40, the bottom of the arc-shaped pipe 40 is uniformly provided with a medicine outlet pipe, the arc-shaped pipe 40 is connected with a medicine box 38 through a conveying pipe 41, a control valve 42 on the conveying pipe 41 is opened, disinfection liquid medicine in the medicine box 38 can be discharged from the medicine outlet pipe through the conveying pipe 41 and the arc-shaped pipe 40 and sprayed on the bearing pad 28 of the lower clamping seat 1 to disinfect the bearing pad 28, so that the cleaning of the bearing pad 28 is ensured, cross infection is prevented, and the disinfection liquid medicine is convenient to recycle;

when the upper clamping seat 2 is lifted upwards, the trigger plate 36 on the outer wall of the limiting plate 7 slides in the vertical groove 35, when the upper clamping seat 2 is lifted to the maximum height, the trigger plate 36 contacts the trigger switch 37, so that the trigger switch 37 is triggered, the output end of the trigger switch 37 is electrically connected with the input end of the control valve 42, and when the trigger switch 37 is triggered, the control valve 42 is automatically opened, so that the disinfection liquid medicine can be automatically discharged.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a combination formula protection device for hemodialysis, includes cassette (1) and sets up cassette (2) in last cassette (2) of cassette (1) top down, cassette (1) and last cassette (2) opposite one side all are formed with the arc wall that is used for the card to go into arm, its characterized in that down: the left side and the right side of the lower clamping seat (1) are fixedly provided with fixing blocks (3), the tops of the two fixing blocks (3) are fixedly provided with fixing rods (4), the two fixing rods (4) are respectively inserted into the two inserting blocks (5), and the two inserting blocks (5) are respectively fixedly arranged at the left side and the right side of the upper clamping seat (2);

the bottom of the lower clamping seat (1) is fixedly provided with a bottom cabinet (8), the outer wall of the bottom cabinet (8) is fixedly provided with a drawing rod (9), and the drawing rod (9) is inserted into the drawing cylinder (10);

an inner cavity (27) is formed in the lower clamping seat (1), and an arc-shaped bearing pad (28) is arranged at the top of the inner cavity (27);

a rotating shaft (29) is rotatably arranged below the bearing pad (28), a plurality of massage wheels (30) are uniformly arranged on the outer wall of the rotating shaft (29), and protruding blocks (31) are uniformly arranged on the outer wall of the massage wheels (30);

both ends of the rotating shaft (29) are rotatably arranged on the inner side wall of the inner cavity (27);

the diameters of the massage wheels (30) are gradually increased from the middle part of the rotating shaft (29) to the two sides of the rotating shaft (29), and the radian formed between the tops of the massage wheels (30) is matched with the radian of the bearing pad (28);

a linkage mechanism is arranged between the rotating shaft (29) and the drawing cylinder (10), and the linkage mechanism is used for synchronously driving the rotating shaft (29) to rotate when the drawing rod (9) is drawn in the drawing cylinder (10);

the linkage mechanism comprises a rack (16), a vertical shaft (17), a driving wheel (18), a driving wheel (19), a synchronous belt (20), a driven wheel (21), a vertical rod (22), a first bevel gear (23), a second bevel gear (24), a rotating cylinder (25), a linkage wheel (32) and a linkage belt (33);

the left end of the inside of the drawing rod (9) is rotatably provided with a vertical shaft (17), driving wheels (18) are fixedly arranged at the top and the bottom of the outer wall of the vertical shaft (17), one side of each driving wheel (18) extends to the outside of the drawing rod (9) and is meshed with a rack (16), and the racks (16) are fixedly arranged on the inner side wall of the drawing cylinder (10);

the middle part of the outer wall of the vertical shaft (17) is fixedly provided with a driving wheel (19), the outer wall of the driving wheel (19) is movably connected with a driven wheel (21) through a synchronous belt (20), the driven wheel (21) is fixedly arranged on the outer wall of a vertical rod (22), and the vertical rod (22) is rotatably arranged on the inner bottom wall of the bottom cabinet (8);

the top of the vertical rod (22) is fixedly provided with a first bevel gear (23), the outer wall of the first bevel gear (23) is meshed with a second bevel gear (24), the second bevel gear (24) is fixedly arranged on the outer wall of a rotating cylinder (25), and the left end and the right end of the rotating cylinder (25) are rotatably arranged on the inner side wall of the bottom cabinet (8) through tail rods (26);

the outer wall of the rotating shaft (29) is fixedly provided with a linkage wheel (32), and the linkage wheel (32) is connected with the rotating cylinder (25) through a linkage belt (33);

the outer wall of the drawing rod (9) is fixedly provided with a sliding block (13), the sliding block (13) is arranged on the inner wall of a sliding groove (14) in a sliding manner, and the sliding groove (14) is arranged on the inner wall of the drawing cylinder (10);

guide rods (15) are inserted into the sliding blocks (13), and the left end and the right end of each guide rod (15) are fixedly arranged on the inner side walls of the sliding grooves (14).

2. A combination protection device for hemodialysis according to claim 1, wherein: the tail end of the drawing cylinder (10) is fixedly provided with a mounting plate (11), the edge of the mounting plate (11) is uniformly provided with mounting grooves (12), and the inner wall of the mounting grooves (12) is movably provided with bolts.

3. A combined protection device for hemodialysis according to claim 2, characterized in that: the method is characterized in that: a limiting plate (7) is fixedly arranged at the top of the fixed rod (4);

the outside cover of dead lever (4) is equipped with spring (6), spring (6) fixed connection is between inserted block (5) and limiting plate (7).

4. A combination protection device for hemodialysis according to claim 3, wherein: a tube groove (39) is formed in the inner wall of the arc-shaped groove of the upper clamping seat (2), an arc-shaped tube (40) is arranged on the inner wall of the tube groove (39), and a medicine outlet tube is uniformly arranged at the bottom of the arc-shaped tube (40);

the inside of going up cassette (2) is provided with medical kit (38), be connected through conveyer pipe (41) between the bottom and the arc pipe (40) of medical kit (38), the inside of conveyer pipe (41) is provided with control valve (42).

5. A combination protection device for hemodialysis according to claim 4, wherein: vertical grooves (35) are further formed in the left side wall and the right side wall of the upper clamping seat (2), trigger plates (36) are movably arranged in the vertical grooves (35), and the trigger plates (36) are fixedly arranged on the outer walls of the limiting plates (7);

the inner bottom wall of the vertical groove (35) is provided with a trigger switch (37), and the output end of the trigger switch (37) is electrically connected with the input end of the control valve (42).