CN210844563U

CN210844563U - Automatic liquid changing device for peritoneal dialysis

Info

Publication number: CN210844563U
Application number: CN201920848850.5U
Authority: CN
Inventors: 刘猛
Original assignee: Nanjing Jiangning Hospital
Current assignee: Nanjing Jiangning Hospital
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-06-26
Anticipated expiration: 2029-06-06

Abstract

The utility model belongs to the technical field of the mechanical skill and specifically relates to an automatic liquid device that trades of peritoneal dialysis, including aseptic box and install the lid at aseptic box top, transparent cap clamp is installed respectively at the top of rotary disk and is got mechanism and peritoneal dialysis bag docking mechanism, installs iodophor cap installation mechanism in the lid, installs peritoneal dialysis pipe positioning mechanism in the aseptic box. This automatic liquid device that trades of peritoneal dialysis, press from both sides the mechanism through the transparent cap that sets up, can realize the automatic dismouting of transparent cap and peritoneal dialysis pipe body, the while control micro motor drives the lead screw cover and rotates, make the lead screw that is located the lead screw cover inside upwards ejecting, extrude external nozzle stub each other through roof and limiting plate this moment, realize external nozzle stub closure, can realize switching on of peritoneal dialysis pipe body through the peritoneal dialysis pipe positioning mechanism that sets up, the automatic liquid of trading of peritoneal dialysis has wholly been realized, set up aseptic case simultaneously, make the liquid process of trading pollution-free, do not receive any environmental impact, reduce the risk of infecting.

Description

Automatic liquid changing device for peritoneal dialysis

Technical Field

The utility model relates to the technical field of machinery, specifically be automatic liquid device that trades of peritoneal dialysis.

Background

Peritoneal dialysis is to regularly and regularly inject prepared dialysate into the peritoneal cavity of a patient through a catheter by utilizing the characteristic that the peritoneum is used as a semi-permeable membrane through the action of gravity, and because the concentration gradient difference of solutes exists at two sides of the peritoneum, the solute at one side with high concentration moves to one side with low concentration (dispersion action); the water moves from the hypotonic side to the hypertonic side (osmosis). The peritoneal dialysis solution is continuously replaced to achieve the purposes of removing in vivo metabolites and toxic substances and correcting water and electrolyte balance disorder.

However, the existing peritoneal dialysis solution exchange is manually operated, and a relatively clean environment is needed, so that the time and the labor are wasted, the risk of susceptibility exists, and the requirement on the quality of a patient is high. In view of this, we propose an automatic fluid exchange device for peritoneal dialysis.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic liquid device that trades of peritoneal dialysis to the peritoneal dialysis that proposes in solving above-mentioned background art trades the liquid and all is manual operation, and requires the environment clean relatively, not only takes time, takes trouble, still has the problem of the risk of being liable to infect.

In order to achieve the above object, the utility model provides a following technical scheme:

peritoneal dialysis automatic liquid changing device comprises an aseptic tank and a cover body arranged at the top of the aseptic tank, wherein a rotating motor is arranged at the bottom end of the inner wall of the aseptic tank, a rotating disk is arranged at the top of the rotating disk, a transparent cap clamping and taking mechanism and an peritoneal dialysis solution bag butting mechanism are respectively arranged at the top of the rotating disk, an iodophor cap installing mechanism is arranged in the cover body, a peritoneal dialysis tube positioning mechanism is arranged in the aseptic tank, the transparent cap clamping and taking mechanism comprises a first moving table, first ball screw nuts are respectively arranged on two sides of the first moving table, a first ball screw is arranged inside the first ball screw nuts, one end of the first ball screw is provided with a first driving motor for driving the first ball screw to rotate, a first rotating platform is arranged at the top of the first moving table, and a receiving table is arranged at the top of the first rotating platform, the telescopic cylinder is installed at the top of the bearing table, the clamp is installed at the top of the telescopic cylinder, and the inner wall of the clamp is provided with a clamp groove.

Preferably, the first ball screw nut and the first movable stage are formed as an integral structure.

Preferably, the clip groove is shaped as an inwardly concave arc.

As preferred, peritoneal dialysis bag docking mechanism includes the second mobile station, second ball screw nut is installed respectively to the both sides of second mobile station, the internally mounted of second ball screw nut has second ball, the one end of second ball is installed and is used for the drive second ball pivoted second driving motor, second rotary platform is installed at the top of second mobile station, the connection pad is installed at second rotary platform's top, the top of connection pad is provided with peritoneal dialysis bag and places the box, peritoneal dialysis bag places the top of box and installs the mount, the butt joint has been seted up at the top of mount.

Preferably, the fixing frame and the peritoneal dialysis solution bag placing box are tightly adhered.

As preferred, iodophor cap installation mechanism includes the third mobile station, third ball screw nut is installed respectively to the both sides of third mobile station, third ball screw nut's internally mounted has third ball, the one end of third ball is installed and is used for the drive third ball pivoted third driving motor, third rotary platform is installed to the bottom of third mobile station, the connecting axle is installed to third rotary platform's bottom, the bottom of connecting axle is provided with the dop, the joint cooperation has iodophor cap anchor clamps on the dop, the outer wall cover of connecting axle is equipped with the spacing ring, the fixed plate is installed to the one end of spacing ring.

Preferably, the other end of the fixing plate is tightly adhered to the inner wall of the aseptic tank.

As preferred, peritoneal dialysis catheter positioning mechanism includes the upset motor, install the rotation axis on the output shaft of upset motor, the clamp ring is installed to the one end of rotation axis, one side of clamp ring is installed and is used for adjusting the adjusting bolt of clamp ring internal diameter size, the outer wall of clamp ring is provided with a pair of connecting rod, fourth rotary platform is installed to the bottom of clamp ring, fourth rotary platform's top is provided with the holding ring, the spout has been seted up to the holding ring outer wall, the pulley is installed to the bottom of connecting rod, the pulley is located in the spout.

Preferably, the pulley and the chute are in sliding fit.

Preferably, the peritoneal dialysis tube positioning mechanism of any preceding claim comprises the following steps:

s1, installing the peritoneal dialysis catheter body: clamping an external short tube knob switch of the peritoneal dialysis catheter body in a positioning ring, clamping an iodophor cap of the peritoneal dialysis catheter body in a clamping ring, and clamping the iodophor cap of the peritoneal dialysis catheter body by the clamping ring through rotating an adjusting bolt to finish the installation of the peritoneal dialysis catheter body;

s2, mounting an abdominal liquid permeating bag: placing the peritoneal dialysis solution bag in a peritoneal dialysis solution bag placing box, enabling a connecting piece port of the peritoneal dialysis solution bag to penetrate out of the butt joint port and fixing the connecting piece port on the butt joint port to finish the installation of the peritoneal dialysis solution bag;

s3, clamping a transparent cap: the turnover motor is powered on, the turnover motor drives the rotating shaft to rotate and drives the peritoneal dialysis catheter body clamped in the clamping ring to rotate, one end of the transparent cap of the peritoneal dialysis catheter body is aligned to the bottom of the sterile box, the rotating motor is powered on, the rotating disc is driven by the rotating motor to rotate, so that the transparent cap clamping mechanism and the transparent cap of the peritoneal dialysis catheter body are positioned at the same side, the first driving motor is switched on, the first ball screw is driven to rotate by the first driving motor and pushes the first ball screw nut to move linearly, the first moving table moves linearly on the first ball screw, the carrying table is close to one side of the transparent cap, the telescopic cylinder is powered on at the moment, the clamp is pushed to one end of the transparent cap by the telescopic cylinder, the transparent cap is clamped in the clamping groove of the clamp, and the telescopic cylinder is recovered at the moment to separate the transparent cap from the peritoneal dialysis catheter body;

s4, butting peritoneal dialysis bags: the peritoneal dialysis machine is characterized in that a rotary motor is powered on, the rotary motor drives a rotary disk to rotate, so that an peritoneal dialysis bag docking mechanism and a peritoneal dialysis tube body are located on the same side, a docking port is aligned to an iodophor cap of the peritoneal dialysis tube body, a second driving motor is powered on, a second ball screw is driven to rotate through a second driving motor, a second ball screw nut is pushed to move linearly, a second moving table moves linearly on the second ball screw, a peritoneal dialysis bag placing box is close to the peritoneal dialysis tube body, the docking port of the peritoneal dialysis bag placing box is inserted into the iodophor cap of the peritoneal dialysis tube body, and automatic docking of the peritoneal dialysis bags is achieved;

s5, conducting the peritoneal dialysis catheter body: the fourth rotating platform is connected with a power supply, the fourth rotating platform drives the positioning ring to rotate, the positioning ring rotates in the sliding groove through the pulley when rotating, the connecting rod and the clamping ring are kept fixed, at the moment, the positioning ring drives the external short tube knob switch of the peritoneal dialysis tube body inside the positioning ring to rotate, the iodophor cap is clamped in the clamping ring and cannot rotate, when the positioning ring drives the external short tube knob switch to rotate anticlockwise, the external short tube knob switch is unscrewed, the peritoneal dialysis tube body is integrally conducted, when the positioning ring drives the external short tube knob switch to rotate clockwise, the external short tube knob switch is screwed, and the peritoneal dialysis tube body is integrally closed;

s6, installing an iodophor cap: the turning motor is powered on, the turning motor drives the rotating shaft to rotate and drives the peritoneal dialysis catheter body clamped in the clamping ring to rotate, so that the iodophor cap of the peritoneal dialysis catheter body is aligned to one side of an iodophor cap clamp of the iodophor cap mounting mechanism, the third driving motor is powered on, the third screw rod is driven to rotate through the third driving motor and pushes the third ball screw nut to move linearly, the third moving platform moves linearly on the third screw rod, the iodophor cap clamp is clamped on the iodophor cap of the peritoneal dialysis catheter body, and at the moment, the third rotating platform drives the connecting shaft to rotate, so that the iodophor cap clamp is screwed into the iodophor cap of the peritoneal dialysis catheter body, and the installation of the iodophor cap is realized;

s7, install the transparent cap, through switching on the power supply of the turnover motor, the turnover motor drives the rotation shaft to rotate, and drive the peritoneal dialysis catheter body clamped in the clamping ring to rotate, align the iodophor cap of the peritoneal dialysis catheter body to the bottom of the sterile box, switch on the rotation motor, drive the rotation disc to rotate through the rotation motor, make the transparent cap clamp take the mechanism and the peritoneal dialysis catheter body are located on the same side, switch on the first driving motor, drive the first ball screw to rotate through the first driving motor, and promote the linear motion of the first ball screw nut, make the first mobile station move linearly on the first ball screw, approach the receiving platform to one side of the peritoneal dialysis catheter body, switch on the power supply of the telescopic cylinder at the moment, the telescopic cylinder pushes the transparent cap in the clamp to the peritoneal dialysis catheter body, and install the transparent cap on the peritoneal dialysis catheter body.

Compared with the prior art, the beneficial effects of the utility model are that: the automatic peritoneal dialysis liquid changing device can realize the automatic disassembly and assembly of the transparent cap and the peritoneal dialysis tube body through the arranged transparent cap clamping mechanism, realize the automatic butt joint of the peritoneal dialysis tube body and the peritoneal dialysis bag through the arranged peritoneal dialysis bag butt joint mechanism, realize the automatic installation of the iodophor cap clamp and the peritoneal dialysis tube body through the arranged iodophor cap installation mechanism, realize the position adjustment of the peritoneal dialysis tube body and the conduction of the peritoneal dialysis tube body through the arranged peritoneal dialysis tube positioning mechanism, integrally realize the automatic liquid changing of the peritoneal dialysis, and simultaneously arrange the sterile box to ensure that the liquid changing process is pollution-free and free from any environmental influence, reduce the risk of infection, simultaneously control the micro motor to drive the screw rod sleeve to rotate, ensure that the screw rod positioned in the screw rod sleeve is upwards ejected, and mutually extrude an external short tube through the top plate and the limiting plate, the closing of the external short pipe is realized.

Drawings

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

FIG. 2 is an exploded view of the inner structure of the aseptic tank of the present invention;

FIG. 3 is a structural exploded view of the transparent cap clamping mechanism of the present invention;

FIG. 4 is a structural exploded view of the peritoneal dialysis solution bag docking mechanism of the present invention;

FIG. 5 is a view of the iodine cap mounting mechanism of the present invention;

FIG. 6 is a structural exploded view of the peritoneal dialysis catheter positioning mechanism of the present invention;

FIG. 7 is a schematic view of the structure of the peritoneal dialysis catheter of the present invention;

fig. 8 is an overall module diagram of the control panel according to the present invention;

fig. 9 is a dc input circuit diagram of the present invention;

fig. 10 is a circuit diagram of the motor control circuit of the present invention;

fig. 11 is a schematic view of the overall structure of embodiment 6 of the present invention;

fig. 12 is a schematic view of an electric clamp according to embodiment 7 of the present invention;

fig. 13 is a second schematic view of the structure of the electric clamp according to embodiment 7 of the present invention.

In the figure: 1. a sterile box; 11. a rotating electric machine; 12. rotating the disc; 13. a control panel; 14. a viewport window; 2. a cover body; 3. a transparent cap clipping mechanism; 31. a first mobile station; 32. a first ball screw nut; 33. a first ball screw; 34. a first drive motor; 35. a first rotating platform; 36. a receiving table; 37. a telescopic cylinder; 38. a clip; 39. a clamping groove; 4. a peritoneal dialysis solution bag docking mechanism; 41. a second mobile station; 42. a second ball screw nut; 43. a second ball screw; 44. a second drive motor; 45. a second rotary platform; 46. a connecting disc; 47. a peritoneal dialysis solution bag placing box; 48. a fixed mount; 49. a butt joint port; 5. an iodophor cap mounting mechanism; 51. a third mobile station; 52. a third ball screw nut; 53. a third ball screw; 54. a third drive motor; 55. a third rotary platform; 56. a connecting shaft; 57. clamping a head; 58. an iodophor cap clamp; 59. a limiting ring; 510. a fixing plate; 6. a peritoneal dialysis catheter positioning mechanism; 61. turning over a motor; 62. a rotating shaft; 63. a clamping ring; 64. adjusting the bolt; 65. a connecting rod; 66. a fourth rotary platform; 67. a positioning ring; 68. a chute; 69. a pulley; 7. a slide rail; 71. a slider; 72. a fixing clip; 73. pulling the hook; 8. an operation cylinder; 81. a micro motor; 82. a screw rod; 83. a screw rod sleeve; 84. a top plate; 85. a limiting plate; 86. a hinge; 87. and (7) clamping the pins.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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 or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the 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 therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third", "fourth" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

On one hand, the automatic liquid changing device for peritoneal dialysis, as shown in fig. 1-3, comprises a sterile box 1 and a cover body 2 installed on the top of the sterile box 1, a rotating motor 11 is installed at the bottom end of the inner wall of the sterile box 1, a rotating disk 12 is installed on the top of the rotating motor 11, a transparent cap clamping mechanism 3 and a peritoneal dialysis solution bag docking mechanism 4 are respectively installed on the top of the rotating disk 12, an iodophor cap installation mechanism 5 is installed in the cover body 2, a peritoneal dialysis tube positioning mechanism 6 is installed in the sterile box 1, the transparent cap clamping mechanism 3 comprises a first moving platform 31, first ball screw nuts 32 are respectively installed on two sides of the first moving platform 31, a first ball screw 33 is installed inside the first ball screw nut 32, a first driving motor 34 for driving the first ball screw 33 to rotate is installed at one end of the first ball screw 33, a first rotating platform 35 is installed on the top of the first moving platform 31, receiving platform 36 is installed at the top of first rotary platform 35, and telescopic cylinder 37 is installed at receiving platform 36's top, and clip 38 is installed at telescopic cylinder 37's top, and clip groove 39 has been seted up to clip 38's inner wall, and first ball screw nut 32 and first mobile station 31 are integrated into one piece structure, and clip groove 39 is inside sunken arc.

In this embodiment, the output shaft of the rotating electrical machine 11 and the rotating disk 12 are welded and fixed, so that the rotating disk 12 is driven to rotate by the rotating electrical machine 11.

Further, first rotary platform 35 and accept platform 36 welded fastening are convenient for drive through first rotary platform 35 and accept platform 36 and realize rotatory work.

Specifically, the output shaft of the first drive motor 34 and the first ball screw 33 are coaxially disposed, so that the first ball screw 33 is driven to rotate by the first drive motor 34.

It is worth explaining that, the peritoneal dialysis catheter body overall structure is as shown in fig. 7, and external short tube knob switch is installed to peritoneal dialysis catheter body bottom, and peritoneal dialysis catheter body top is provided with the iodophor cap, and the outside cover of iodophor cap is equipped with transparent cap, and external short tube is installed to external short tube knob switch's bottom.

When the automatic liquid-changing device for peritoneal dialysis of the embodiment clamps the transparent cap, one end of the transparent cap of the peritoneal dialysis catheter body is aligned with the bottom of the sterile box 1, the rotating motor 11 is powered on, the rotating disk 12 is driven to rotate by the rotating motor 11, so that the transparent cap clamping mechanism 3 and the transparent cap of the peritoneal dialysis catheter body are positioned at the same side, the first driving motor 34 is powered on, the first ball screw 33 is driven to rotate by the first driving motor 34, and the first ball screw nut 32 is pushed to move linearly, the first moving table 31 is linearly moved on the first ball screw 33, the receiving table 36 is close to one side of the transparent cap, at this time, the telescopic cylinder 37 is powered on, the telescopic cylinder 37 pushes the clamp 38 to one end of the transparent cap, the transparent cap is clamped in the clamping groove 39 of the clamp 38, at this time, the telescopic cylinder 37 is recovered, and the transparent cap is separated from the peritoneal dialysis catheter body.

Example 2

As a second embodiment of the utility model, in order to facilitate the docking of the peritoneal dialysis solution bag, the personnel of the utility model are provided with a peritoneal dialysis solution bag docking mechanism 4, as a preferred embodiment, as shown in fig. 4, the peritoneal dialysis solution bag docking mechanism 4 includes a second mobile station 41, second ball screw nuts 42 are respectively installed on two sides of the second mobile station 41, second ball screws 43 are installed inside the second ball screw nuts 42, a second driving motor 44 for driving the second ball screws 43 to rotate is installed at one end of the second ball screws 43, a second rotating platform 45 is installed at the top of the second mobile station 41, a connecting disc 46 is installed at the top of the second rotating platform 45, a peritoneal dialysis solution bag placing box 47 is arranged at the top of the connecting disc 46, a fixing frame 48 is installed at the top of the peritoneal dialysis solution bag placing box 47, a docking port 49 is opened at the top of the fixing frame 48, and the fixing frame 48 and the peritoneal dialysis solution bag placing box 47 are tightly bonded.

In this embodiment, second rotary platform 45 and connection pad 46's bottom welded fastening, connection pad 46's top and peritoneal dialysis solution bag place box 47 welded fastening, are convenient for pass through, and second rotary platform 45's rotation drives peritoneal dialysis solution bag and places box 47 and rotate.

Further, an output shaft of the second driving motor 44 and the second ball screw 43 are coaxially disposed, so that the second ball screw 43 is driven to rotate by the second driving motor 44.

Specifically, the second ball screw 43 and the second ball screw nut 42 are threadedly coupled, so that the second ball screw 43 rotates within the second ball screw nut 42, and so that the second ball screw nut 42 moves linearly on the second ball screw 43.

When the peritoneal dialysis automatic fluid exchange device of the embodiment carries out peritoneal dialysis fluid bag docking, the peritoneal dialysis fluid bag is placed in the peritoneal dialysis fluid bag placing box 47, the connecting piece port of the peritoneal dialysis fluid bag penetrates out of the docking port 49 and is fixed on the docking port 49, after the transparent cap is taken down from the peritoneal dialysis tube body, the rotating motor 11 is powered on, the rotating disk 12 is driven to rotate by the rotating motor 11, the peritoneal dialysis fluid bag docking mechanism 4 and the peritoneal dialysis tube body are positioned at the same side, the docking port 49 is aligned with the iodophor cap of the peritoneal dialysis tube body, the second driving motor 44 is powered on, the second ball screw 43 is driven to rotate by the second driving motor 44, the second ball screw nut 42 is pushed to do linear motion, the second moving platform 41 is made to do linear motion on the second ball screw 43, the peritoneal dialysis fluid bag placing box 47 is close to the peritoneal dialysis tube body, and the docking port 49 of the peritoneal dialysis fluid bag placing box 47 is inserted into the iodophor cap of the peritoneal dialysis tube body, the automatic butt joint of the peritoneal dialysis solution bag is realized.

Example 3

As a third embodiment of the present invention, in order to facilitate the installation of the iodophor cap, the personnel of the present invention is provided with an iodophor cap installation mechanism 5, as a preferred embodiment, as shown in fig. 5, the iodophor cap installation mechanism 5 comprises a third mobile station 51, third ball screw nuts 52 are respectively installed on both sides of the third mobile station 51, a third ball screw 53 is installed inside the third ball screw nut 52, a third driving motor 54 for driving the third ball screw 53 to rotate is installed at one end of the third ball screw 53, a third rotating platform 55 is installed at the bottom of the third mobile station 51, a connecting shaft 56 is installed at the bottom of the third rotating platform 55, a clamping head 57 is arranged at the bottom of the connecting shaft 56, the clamping head 57 is engaged with an iodophor cap clamp 58, a limiting ring 59 is sleeved on the outer wall of the connecting shaft 56, a fixing plate 510 is installed at one end of the limiting ring 59, the other end of the fixing plate 510 is tightly adhered to the inner wall of the sterilization case 1.

In this embodiment, the bottom of the third driving motor 54 is welded to the inner wall of the lid body 2, so that the iodophor cap mounting mechanism 5 is integrally mounted on the lid body 2.

Further, the third ball screw 53 and the third ball screw nut 52 are screwed so that the third ball screw 53 rotates in the third ball screw nut 52 and so that the third ball screw nut 52 moves linearly on the third ball screw 53.

Specifically, the size of the connecting shaft 56 is matched with the size of the limiting ring 59, so that the connecting shaft 56 can rotate in the limiting ring 59 conveniently, and meanwhile, the connecting shaft 56 is kept stable in rotation through the limiting ring 59, and shaking is prevented.

The automatic liquid device that trades of peritoneal dialysis of this embodiment carries out the installation of iodophor cap clamp, align iodophor cap 58 one side of iodophor cap installation mechanism 5 with the iodophor cap of peritoneal dialysis pipe body, with third driving motor 54 switch on, drive third lead screw 53 through third driving motor 54 and rotate, and promote third ball screw nut 52 linear motion, make third moving platform 51 linear motion on third lead screw 53, go into the iodophor cap of peritoneal dialysis pipe body with iodophor cap clamp 58 card on, drive connecting axle 56 through third rotary platform 55 this moment and rotate, make the iodophor cap of iodophor cap clamp 58 spiral shell at the peritoneal dialysis pipe body, realize the installation of iodophor cap.

Example 4

As a fourth embodiment of the present invention, in order to carry out position control to the peritoneal dialysis catheter body, the utility model discloses personnel are provided with membrane dialysis catheter positioning mechanism 6, as an optimal embodiment, as shown in fig. 6, peritoneal dialysis catheter positioning mechanism 6 includes upset motor 61, install rotation axis 62 on the output shaft of upset motor 61, clamp ring 63 is installed to rotation axis 62's one end, adjusting bolt 64 that is used for adjusting clamp ring 63 internal diameter size is installed to one side of clamp ring 63, clamp ring 63's outer wall is provided with a pair of connecting rod 65, fourth rotary platform 66 is installed to clamp ring 63's bottom, fourth rotary platform 66's top is provided with holding ring 67, spout 68 has been seted up to holding ring 67 outer wall, pulley 69 is installed to the bottom of connecting rod 65, pulley 69 is located spout 68, pulley 69 and spout 68 sliding fit.

In this embodiment, the clamping ring 63 is made of aluminum alloy, and the material thereof has good toughness, so that the peritoneal dialysis catheter body can be clamped and fixed conveniently.

Furthermore, the outer wall of the clamping ring 63 is provided with a thread groove matched with the adjusting bolt 64, so that the inner diameter of the clamping ring 63 can be adjusted conveniently through the adjusting bolt 64.

Specifically, the positioning ring 67 and the fourth rotating platform 66 are welded and fixed, so that the positioning ring 67 is driven to rotate by the rotation of the fourth rotating platform 66.

The automatic liquid device that trades of peritoneal dialysis of this embodiment is when installing the peritoneal dialysis pipe body, with the external nozzle stub knob switch card of peritoneal dialysis pipe body in holding ring 67 to press from both sides the iodophor cap of peritoneal dialysis pipe body in clamp ring 63, make the iodophor cap of clamp ring 63 chucking peritoneal dialysis pipe body through rotation regulation bolt 64, accomplish the installation of peritoneal dialysis pipe body.

The automatic liquid device that trades of peritoneal dialysis of this embodiment is when adjusting peritoneal dialysis pipe body position, through with upset motor 61 switch on, upset motor 61 drives rotation axis 62 and rotates to it is rotatory to drive the peritoneal dialysis pipe body of pressing from both sides in clamp ring 63, and then adjusts the position of peritoneal dialysis pipe body.

The automatic liquid device that trades of peritoneal dialysis of this embodiment is when carrying out the peritoneal dialysis pipe body and switching on, with the 66 switch on of fourth rotary platform, fourth rotary platform 66 drives holding ring 67 and rotates, holding ring 67 is when rotating, through pulley 69 at spout 68 internal rotations, keep connecting rod 65 and clamp ring 63 fixed, holding ring 67 drives the external nozzle stub knob switch rotation of the inside peritoneal dialysis pipe body of holding ring 67 this moment, and iodophor cap 73 card is unable to rotate in clamp ring 63, when the anticlockwise rotation of driving external nozzle stub knob switch of holding ring 67, external nozzle stub knob switch unscrews, peritoneal dialysis pipe body wholly switches on, when the clockwise external nozzle stub knob switch rotation of driving of holding ring 67, external nozzle stub knob switch screws, peritoneal dialysis pipe body wholly closes.

Example 5

As the fifth embodiment of the utility model, in order to facilitate the realization of whole full automation operation, the utility model discloses personnel make the improvement to aseptic box 1, as a preferred embodiment, as shown in fig. 1, control panel 13 is installed to aseptic box 1's outer wall one side, and aseptic box 1's both ends are provided with viewport window 14 respectively.

In this embodiment, the control panel 13 is designed based on a programmable controller, and mainly comprises a CPU module, an input module, an output module, and a programmer, the modules are shown in fig. 8, the CPU module is also called a central processing unit or a controller, and mainly comprises a microprocessor (CPU) and a memory, the CPU functions like the human brain and heart, and works in a scanning mode, and each scanning is performed to complete the following operations:

(1) input processing: the on-site switching value input signal and data are respectively read into the input mapping register and the data register.

(2) And (3) program execution: reading and interpreting user program one by one, generating correspondent control signal to control related circuit, finishing data access, transmission and processing work and updating contents of all related registers according to operation result.

(3) And (3) output processing: the contents of the output mapping register are sent to the output module to control the external load.

Further, the operating voltage of the CPU module is generally 5V, and the input/output signal voltage of the programmable controller is generally higher, such as 24V dc and 220V ac. The spike voltage and the interference noise introduced from the outside may damage components in the CPU module or cause the programmable controller not to normally operate, so that the CPU module cannot be directly connected to an external input/output device. The I/O module has the functions of level conversion and noise isolation in addition to signal transmission, and the circuit thereof is shown in fig. 9.

Specifically, in order to enable the motor to rotate forwards and reversely, two contactors KM1 and KM2 can be adopted to change the phase sequence of the three-phase power supply of the motor, but the two contactors cannot be attracted, if the two contactors are attracted simultaneously, the short-circuit accident of the power supply is caused, and in order to prevent the accident, a reliable interlocking is adopted in a circuit, and the circuit is shown in FIG. 10.

It is worth to be noted that when the motor is started in the forward direction, the air switch QF is switched on to connect a three-phase power supply, the forward starting button SB3 is pressed, the KM1 is electrified, sucked and self-locked, the main contact is closed to connect the motor, and the phase sequence of the motor at this moment is L1, L2 and L3, namely, the motor runs in the forward direction; when the motor is started reversely, the air switch QF is switched on to connect a three-phase power supply, the reverse starting button SB2 is pressed, the KM2 is electrified and attracted and self-locked through the auxiliary contact, the normally open main contact is closed to switch the three-phase power supply phase sequence of the motor, and the phase sequence of the motor is L3, L2 and L1, namely, the motor runs reversely.

In addition, the motor interlocking link has a function of prohibiting the function from playing a safety protection role in a circuit, and specifically comprises contactor interlocking and button interlocking, when the contactors are interlocked, a KM1 coil loop is connected in series with a normally closed auxiliary contact of KM2, a KM2 coil loop is connected in series with a normally closed contact of KM1, when a coil of a forward contactor KM1 is electrified to act, the auxiliary normally closed contact of KM1 breaks a KM2 coil loop, if KM1 is electrified to attract, the KM2 must be powered off and released firstly, and the auxiliary normally closed contact is reset, so that interphase short circuit caused by simultaneous attraction of KM1 and KM2 is prevented, and the circuit link is called as an interlocking link; when the buttons are interlocked, a forward and reverse transmission control circuit for controlling the operation of the buttons is adopted in the circuit, the buttons SB2 and SB3 are respectively provided with a pair of normally open contacts and a pair of normally closed contacts, the normally open contacts are respectively connected with coil loops of KM1 and KM2, for example, the normally open contact of the button SB2 is connected with a coil of a contactor KM2 in series, and the normally closed contact is connected with a coil loop of a contactor KM1 in series. The normally open contact of button SB3 is connected in series with the coil of contactor KM1, while the normally closed contact voltage KM2 is connected in series in the coil loop. Thus, only the coil of the contactor KM2 can be energized and KM1 is de-energized when SB2 is pressed, only the coil of the contactor KM1 can be energized and KM2 is de-energized when SB3 is pressed, and both coils of the contactor cannot be energized if SB2 and SB3 are pressed simultaneously, so that the interlocking effect is achieved.

Example 6

As the utility model discloses a sixth kind of embodiment, in order to tear the iodophor disinfection cap packing for the convenience, the utility model discloses personnel make the improvement to aseptic box 1 is whole, as a preferred embodiment, as shown in fig. 11, aseptic box 1's inner wall is installed and is curved slide rail 7, install a pair of slider 71 on the slide rail 7, slider 71 is "concave" shape, be convenient for slider 71 card slides on slide rail 7, fixation clamp 72 is installed to slider 71's one end simultaneously, slide rail 7's bottom still is provided with the drawing hook 73, drawing hook 73 is used for pulling the shutoff cap of peritoneal dialysis Y type connecting pipe.

When the automatic liquid device that trades of peritoneal dialysis of this embodiment tears the wrapping bag, press from both sides two fixation clamps 72 respectively in the both sides of wrapping bag, slide on slide rail 7 through slider 71, slide two sliders 71 to the both sides of slide rail 7, press from both sides the fixation clamp 72 dorsad motion in wrapping bag both sides this moment, tear the wrapping bag, can directly pull the shutoff cap of peritoneal dialysis Y type connecting pipe through drawing collude 73 simultaneously.

The steps of liquid changing for the peritoneal dialysis catheter body are as follows:

1) a connecting machine for holding the iodophor cap;

2) the peritoneal dialysis tube body is connected;

3) the peritoneal dialysis catheter body is used for introducing peritoneal dialysis fluid, the top of the peritoneal dialysis catheter body is opened, and the bottom of the peritoneal dialysis catheter body is closed;

4) the peritoneal dialysis solution is discharged, the top of the peritoneal dialysis tube body is closed, and the bottom of the peritoneal dialysis tube body is opened;

5) and after the disconnection, removing the Y-shaped tube and closing the peritoneal dialysis tube body.

Example 7

As an embodiment in the No. 7 of the present invention, in order to facilitate the adjustment of the closing of the external short pipe, the present invention further comprises an electric clamp, as shown in FIG. 12, the electric clamp comprises an operation cylinder 8, a micro motor 81 is installed in the operation cylinder 8, a screw rod sleeve 83 is coaxially installed on the output shaft of the micro motor 81, a screw rod 82 is installed in the screw rod sleeve 83, the screw rod sleeve 83 is driven by the micro motor 81 to rotate, so that the screw rod 82 inside the screw rod sleeve 83 linearly moves up and down, meanwhile, a button for controlling the forward and reverse rotation of the micro motor 81 is installed on the outer wall of the micro motor 81, a top plate 84 is installed on the top of the screw rod 82, a limit plate 85 is installed on the top of the operation cylinder 8, one end of the limit plate 85 is hinged to the operation cylinder 8 through a hinge 86, the other end of the limit plate 85 is in snap-fit with the operation cylinder 8 through a, at ordinary times, as shown in fig. 12, the external short pipe is in a communicating state, and when the external short pipe needs to be closed, only the micro motor 81 needs to be controlled to drive the screw rod sleeve 83 to rotate, so that the screw rod 82 located inside the screw rod sleeve 83 is ejected upwards, and at this time, the external short pipe is mutually extruded through the top plate 84 and the limiting plate 85, specifically, as shown in fig. 13, the external short pipe is closed.

On the other hand, the utility model also provides an operating method of this peritoneal dialysis automatic liquid changing device, its operating procedure as follows:

s1, installing the peritoneal dialysis catheter body: the external short tube knob switch of the peritoneal dialysis catheter body is clamped in the positioning ring 67, the iodophor cap of the peritoneal dialysis catheter body is clamped in the clamping ring 63, the clamping ring 63 is tightly clamped with the iodophor cap of the peritoneal dialysis catheter body by rotating the adjusting bolt 64, and the installation of the peritoneal dialysis catheter body is completed;

s2, mounting an abdominal liquid permeating bag: placing the peritoneal dialysis solution bag in the peritoneal dialysis solution bag placing box 47, enabling the connecting piece port of the peritoneal dialysis solution bag to penetrate out of the butt joint port 49 and fixing the connecting piece port on the butt joint port 49 to complete the installation of the peritoneal dialysis solution bag;

s3, clamping a transparent cap: the turning motor 61 is powered on, the turning motor 61 drives the rotating shaft 62 to rotate and drives the peritoneal dialysis catheter body clamped in the clamping ring 63 to rotate, one end of the transparent cap of the peritoneal dialysis catheter body is aligned with the bottom of the sterile box 1, the rotating motor 11 is powered on, the rotating disk 12 is driven to rotate by the rotating motor 11, the transparent cap clamping mechanism 3 and the transparent cap of the peritoneal dialysis catheter body are positioned on the same side, the first driving motor 34 is powered on, the first ball screw 33 is driven to rotate by the first driving motor 34 and pushes the first ball screw nut 32 to move linearly, the first moving table 31 moves linearly on the first ball screw 33, the bearing table 36 is close to one side of the transparent cap, the telescopic cylinder 37 is powered on, the telescopic cylinder 37 pushes the clamp 38 to one end of the transparent cap, the transparent cap is clamped in the clamping groove 39 of the clamp 38, and the telescopic cylinder 37 is recovered, separating the transparent cap from the peritoneal dialysis catheter body;

s4, butting peritoneal dialysis bags: the rotary motor 11 is powered on, the rotary disk 12 is driven to rotate through the rotary motor 11, the peritoneal dialysis solution bag docking mechanism 4 and the peritoneal dialysis catheter body are located on the same side, the docking port 49 is aligned to the iodophor cap of the peritoneal dialysis catheter body, the second driving motor 44 is powered on, the second driving motor 44 drives the second ball screw 43 to rotate and pushes the second ball screw nut 42 to move linearly, the second moving table 41 moves linearly on the second ball screw 43, the peritoneal dialysis solution bag placing box 47 is close to the peritoneal dialysis catheter body, the docking port 49 of the peritoneal dialysis solution bag placing box 47 is inserted into the iodophor cap of the peritoneal dialysis catheter body, and automatic docking of the peritoneal dialysis solution bags is achieved;

s5, conducting the peritoneal dialysis catheter body: the fourth rotating platform 66 is powered on, the fourth rotating platform 66 drives the positioning ring 67 to rotate, the positioning ring 67 rotates in the sliding groove 68 through the pulley 69 when rotating, the connecting rod 65 and the clamping ring 63 are kept fixed, at the moment, the positioning ring 67 drives the external short tube knob switch of the peritoneal dialysis catheter body inside the positioning ring 67 to rotate, the iodophor cap is clamped in the clamping ring 63 and cannot rotate, when the positioning ring 67 drives the external short tube knob switch to rotate anticlockwise, the external short tube knob switch is unscrewed, the peritoneal dialysis catheter body is integrally conducted, and when the positioning ring 67 drives the external short tube knob switch to rotate clockwise, the external short tube knob switch is screwed, and the peritoneal dialysis catheter body is integrally closed;

s6, installing an iodophor cap: the peritoneal dialysis catheter is characterized in that a turnover motor 61 is powered on, the turnover motor 61 drives a rotating shaft 62 to rotate and drives a peritoneal dialysis catheter body clamped in a clamping ring 63 to rotate, an iodophor cap of the peritoneal dialysis catheter body is aligned to one side of an iodophor cap clamp 58 of an iodophor cap mounting mechanism 5, a third driving motor 54 is powered on, a third screw 53 is driven to rotate by the third driving motor 54 and pushes a third ball screw nut 52 to do linear motion, a third moving platform 51 makes linear motion on the third screw 53, the iodophor cap clamp 58 is clamped on the iodophor cap of the peritoneal dialysis catheter body, and at the moment, the connecting shaft 56 is driven to rotate by a third rotating platform 55, so that the iodophor cap clamp 58 is screwed into the iodophor cap of the peritoneal dialysis catheter body, and the installation of the iodophor cap is realized;

s7, installing a transparent cap, connecting the turning motor 61 with a power supply, the turning motor 61 driving the rotating shaft 62 to rotate, and drives the peritoneal dialysis catheter body clamped in the clamping ring 63 to rotate, the iodophor cap of the peritoneal dialysis catheter body is aligned to the bottom of the sterile box 1, the rotating motor 11 is powered on, the rotating disk 12 is driven to rotate by the rotating motor 11, so that the transparent cap clamping mechanism 3 and the peritoneal dialysis catheter body are positioned at the same side, the first driving motor 34 is powered on, the first ball screw 33 is driven to rotate by the first driving motor 34, and the first ball screw nut 32 is pushed to move linearly, the first moving stage 31 is linearly moved on the first ball screw 33, the receiving stage 36 is brought close to the peritoneal dialysis catheter body, the telescopic cylinder 37 is powered on, the telescopic cylinder 37 pushes the transparent cap in the clip 38 against the peritoneal dialysis catheter body, and the transparent cap is mounted on the peritoneal dialysis catheter body.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Peritoneal dialysis trades liquid device automatically, includes aseptic box (1) and installs lid (2) at aseptic box (1) top, its characterized in that: rotating electrical machines (11) are installed to the inner wall bottom of aseptic box (1), the top of rotating electrical machines (11) is provided with rotary disk (12), the top of rotary disk (12) is installed transparent cap respectively and is pressed from both sides and get mechanism (3) and peritoneal dialysis solution bag docking mechanism (4), install iodophor cap installation mechanism (5) in lid (2), install peritoneal dialysis tube positioning mechanism (6) in aseptic box (1), transparent cap presss from both sides and gets mechanism (3) and include first mobile station (31), first ball screw nut (32) are installed respectively to the both sides of first mobile station (31), the internally mounted of first ball screw nut (32) has first ball (33), the one end of first ball (33) is installed and is used for driving first ball (33) pivoted driving motor (34), first rotary platform (35) are installed at the top of first mobile station (31), hold up platform (36) are installed at the top of first rotary platform (35), telescopic cylinder (37) are installed at the top of hold up platform (36), clip (38) are installed at the top of telescopic cylinder (37), double-layered groove (39) have been seted up to the inner wall of clip (38).

2. The peritoneal dialysis auto-change fluid device of claim 1, wherein: the first ball screw nut (32) and the first moving table (31) are of an integrally formed structure.

3. The peritoneal dialysis auto-change fluid device of claim 1, wherein: the clamping groove (39) is in an inward concave arc shape.

4. The peritoneal dialysis auto-change fluid device of claim 1, wherein: peritoneal dialysis solution bag docking mechanism (4) includes second mobile station (41), second ball screw nut (42) are installed respectively to the both sides of second mobile station (41), the internally mounted of second ball screw nut (42) has second ball screw (43), be used for the drive is installed to the one end of second ball screw (43) pivoted second driving motor (44), second rotary platform (45) are installed at the top of second mobile station (41), connection pad (46) are installed at the top of second rotary platform (45), the top of connection pad (46) is provided with peritoneal dialysis solution bag and places box (47), peritoneal dialysis solution bag places the top of box (47) and installs mount (48), butt joint mouth (49) have been seted up at the top of mount (48).

5. The peritoneal dialysis auto-change fluid device of claim 4, wherein: the fixing frame (48) is tightly adhered to the peritoneal dialysis solution bag placing box (47).

6. The peritoneal dialysis auto-change fluid device of claim 1, wherein: the iodophor cap mounting mechanism (5) comprises a third moving table (51), wherein third ball screw nuts (52) are respectively mounted on two sides of the third moving table (51), a third ball screw (53) is arranged in the third ball screw nut (52), one end of the third ball screw (53) is provided with a third driving motor (54) for driving the third ball screw (53) to rotate, a third rotating platform (55) is arranged at the bottom of the third moving platform (51), a connecting shaft (56) is arranged at the bottom of the third rotating platform (55), a clamping head (57) is arranged at the bottom end of the connecting shaft (56), joint cooperation has iodophor cap anchor clamps (58) on dop (57), the outer wall cover of connecting axle (56) is equipped with spacing ring (59), fixed plate (510) are installed to the one end of spacing ring (59).

7. The peritoneal dialysis auto-change fluid device of claim 6, wherein: the other end of the fixing plate (510) is tightly adhered to the inner wall of the sterile box (1).

8. The peritoneal dialysis auto-change fluid device of claim 1, wherein: peritoneal dialysis catheter positioning mechanism (6) are including upset motor (61), install rotation axis (62) on the output shaft of upset motor (61), clamp ring (63) are installed to the one end of rotation axis (62), one side of clamp ring (63) is installed and is used for adjusting bolt (64) of clamp ring (63) internal diameter size, the outer wall of clamp ring (63) is provided with a pair of connecting rod (65), fourth rotary platform (66) are installed to the bottom of clamp ring (63), the top of fourth rotary platform (66) is provided with holding ring (67), spout (68) have been seted up to holding ring (67) outer wall, pulley (69) are installed to the bottom of connecting rod (65), pulley (69) are located in spout (68).

9. The peritoneal dialysis auto-change fluid device of claim 8, wherein: the pulley (69) is in sliding fit with the chute (68).