CN109621049B - Dialysis auxiliary equipment for nephrology department - Google Patents
Dialysis auxiliary equipment for nephrology department Download PDFInfo
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- CN109621049B CN109621049B CN201811417851.0A CN201811417851A CN109621049B CN 109621049 B CN109621049 B CN 109621049B CN 201811417851 A CN201811417851 A CN 201811417851A CN 109621049 B CN109621049 B CN 109621049B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1654—Dialysates therefor
- A61M1/1656—Apparatus for preparing dialysates
- A61M1/1666—Apparatus for preparing dialysates by dissolving solids
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2206/00—Characteristics of a physical parameter; associated device therefor
- A61M2206/10—Flow characteristics
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Abstract
The invention discloses dialysis auxiliary equipment for nephrology department, which comprises a case, wherein the upper part of the case is provided with a dry powder conveying device, and the dry powder conveying device is used for releasing materials in a dry powder bag outwards; the liquid preparation device is internally provided with liquid for containing dry powder and is used for mixing the dry powder with the liquid in the liquid preparation device under a sealed environment to prepare dialysate; the liquid preparation device comprises an accommodating cavity arranged at the lower part of the case, a preparation chamber arranged in the accommodating cavity and a swinging part matched with the preparation chamber; a stirring device is arranged in the preparation chamber, and the rotation direction of the stirring device is opposite to the swinging direction of the preparation chamber; and the quantitative discharging device is used for controlling the discharging amount of the dry powder and slowing down the discharging speed of the dry powder. According to the invention, the stirring device is arranged in the preparation chamber, so that the turbulence effect of liquid in the preparation chamber is enhanced, the dissolution rate of dry powder is further improved, and the concentration of dialysate is accurately controlled.
Description
Technical Field
The invention belongs to the technical field of nephrology department, and particularly relates to dialysis auxiliary equipment for the nephrology department.
Background
Hemodialysis, which utilizes the principle of semipermeable membrane to remove various harmful and redundant metabolic wastes and excessive electrolytes in vivo out of the body by diffusion, achieves the purposes of purifying blood and correcting water electrolytes and acid-base balance, and is one of the kidney replacement treatment modes for treating patients with acute and chronic renal failure in internal medicine. In hemodialysis, dialysate is required to exchange substances with human blood, so that the human blood is purified.
Chinese patent CN104120882B discloses a stirring device for preparing dialysate, which comprises a stirrer, a barrel body and a barrel cover, wherein the stirrer penetrates through the barrel cover to enter the barrel body, the bottom of the barrel body is arc-shaped, and the stirrer is provided with blades; when the dialysate is prepared, the stirrer in the barrel is only used for stirring, the stirring effect is poor, the dissolution rate of the dry powder is low, the concentration of the prepared dialysate cannot reach the specified standard easily, and the dialysis effect is affected.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides dialysis auxiliary equipment for nephrology department, which has the advantages of full dissolution of dry powder and accurate concentration of dialysate.
In order to achieve the purpose, the invention adopts the following technical scheme: dialysis auxiliary equipment for nephrology department comprises
The upper part of the case is provided with a dry powder conveying device which is used for releasing materials in the dry powder bag outwards; the dry powder conveying device comprises a powder cavity arranged on the case, a fixing part for fixing a dry powder bag and a discharge pipe matched with the dry powder bag;
the liquid preparation device is internally provided with liquid for containing dry powder and is used for mixing the dry powder with the liquid in the liquid preparation device under a sealed environment to prepare dialysate; the liquid preparation device comprises an accommodating cavity arranged at the lower part of the case, a preparation chamber arranged in the accommodating cavity and a swinging part matched with the preparation chamber; a stirring device is arranged in the preparation chamber, and the rotation direction of the stirring device is opposite to the swinging direction of the preparation chamber;
and the quantitative discharging device is used for controlling the discharging amount of the dry powder and slowing down the discharging speed of the dry powder.
The liquid preparation device prepares the dialysate in a sealed environment, thereby effectively avoiding that external impurities cannot enter the dialysate and are not easily polluted in the preparation process; the whipping part can drive the preparation chamber to rotate centrifugally in the accommodating cavity by the axis of the accommodating cavity, so that liquid in the preparation chamber can generate turbulence better, the dissolving effect of dry powder is enhanced, the prepared dialysate is ensured to reach a specified concentration, and the problem of poor dialysis effect caused by insufficient dissolution and failure in dialysate concentration to reach a specified value is solved; the stirring device is arranged in the preparation chamber, and the rotating directions of the stirring device and the preparation chamber are opposite, so that the turbulent flow effect of liquid in the preparation chamber is further enhanced, the dissolution rate of dry powder is further improved, the dry powder is ensured to be completely dissolved, and the concentration of dialysate is accurately controlled;
the dry powder conveying device and the quantitative discharging device are arranged, so that the automatic discharging of the dry powder can be realized, the dry powder does not need to be scooped manually, the operation is simple and convenient, and the working efficiency is high; the quantitative blanking device can effectively control the blanking degree of the dry powder, so that the accurate control of the blanking amount of the dry powder is realized, the concentration of the prepared dialysate can be ensured to better aim at the illness state of each patient, and a better dialysis effect is achieved; secondly, the dry powder bag can be directly placed in the powder cavity, and after one bag is used up, a new bag is replenished inwards, so that the powder cavity does not need to be supplemented frequently, the working efficiency is high, and the possibility of pollution of dialysate is further reduced.
Furthermore, a transmission part is arranged in the preparation chamber, and when the swinging part works, the transmission part drives the stirring device to rotate reversely relative to the swinging direction of the preparation chamber.
Preferably, the stirring device comprises a stirring shaft and a plurality of stirring blades arranged on the stirring shaft, and the bottom of the stirring shaft is provided with an installation cavity; the transmission component comprises convex teeth arranged along the inner wall of the mounting cavity in a circle, a rotating shaft penetrating through the bottom of the preparation chamber, a driving gear arranged on the rotating shaft and a plurality of transmission gears arranged between the driving gear and the inner wall of the mounting cavity, and the transmission gears are respectively meshed with the driving gear and the convex teeth; under this kind of structure, can realize through a power supply that the drive is prepared the room and is rotated and agitating unit pivoted effect to effectively avoided the power supply to set up too much and the great problem of energy consumption that appears, realized energy-conservation.
Preferably, the swinging part comprises a base detachably connected with the preparation chamber, a universal joint connected with the base, a spring for supporting the preparation chamber and a driving motor connected with the universal joint; through the arrangement of the universal joint, the inclination direction of the preparation chamber can be inclined in a direction of 360 degrees relative to the output shaft of the motor, and further when the motor drives the preparation chamber to rotate, the preparation chamber can be inclined under the action of centrifugal force, so that the overall motion track of the preparation chamber is in a circular truncated cone shape with a small lower part and a big upper part; the arrangement of the spring effectively plays a role in supporting the preparation chamber, so that the preparation chamber can be stabilized in a vertical state when the motor does not drive the preparation chamber to rotate; and the arrangement of the spring can also ensure that the preparation chamber floats up and down in the rotation process, thereby further enhancing the turbulent state of the liquid and basically avoiding the residue when the dry powder is dissolved.
Furthermore, the lower part of the rotating shaft penetrates out of the bottom of the preparation chamber, and a rotation stopping groove matched with the rotating shaft in a rotation stopping way is arranged on the base; when guaranteeing to prepare the room and placing to the base on, agitating unit can take place to rotate under driving motor's drive.
Furthermore, the quantitative blanking device comprises a material baffle which can move back and forth and is arranged on the discharge pipe in a penetrating way, a driving part for driving the material baffle to move and a knob part; when the knob piece rotates towards the clockwise direction, the striker plate is not driven by the driving part; when the knob piece rotates towards the anticlockwise direction, the striker plate is driven by the driving part to move back and forth so as to realize the discharge of materials; when the knob is rotated clockwise, the striker plate cannot move; the baffle plate can move only when the knob piece rotates anticlockwise, so that the discharge pipe is opened, and the amount of dry powder added into the preparation chamber from the dry powder bag can be intuitively reflected by rotating the number of turns of the knob piece when the dialysate is prepared, so that the effects of accurate discharging amount and accurate concentration of the prepared dialysate are further achieved; moreover, the knob piece can be controlled to automatically reset when rotating anticlockwise, and then the automatic blanking, quantity control and preparation can be realized only by rotating the knob piece to a specified position, so that the operation is simple, and the working efficiency is high.
Furthermore, the driving part comprises an elastic component connected with the striker plate, a driving part connected with the elastic component, an extending part arranged on the knob piece and matched with the driving part, a one-way rotation stopping structure used for realizing one-way rotation stopping matching between the extending part and the driving part, and a reset component acting on the extending part; the one-way rotation stopping structure can realize that the knob piece drives the striker plate in only one rotation direction, has simple structure and convenient realization, has low matching failure rate, and is not easy to generate the situation of slippage between the knob piece and the driving part when the knob piece rotates anticlockwise due to unstable matching; secondly, the arrangement of the reset component ensures that the reset component can store energy after the knob piece rotates clockwise, thereby effectively avoiding the situation that the knob piece cannot be reset; the deformation that elastic component took place can drive the striker plate and take place the position and remove, and realize the reciprocating operation of striker plate, guarantees the normal reset of striker plate.
In summary, the invention has the following advantages: the swinging component can drive the preparation chamber to rotate centrifugally in the accommodating cavity by the axis of the accommodating cavity, so that liquid in the preparation chamber can generate turbulent flow well, and the dissolving effect of dry powder is enhanced; the stirring device is arranged in the preparation chamber, so that the turbulence effect of liquid in the preparation chamber is enhanced, the dissolution rate of dry powder is improved, and the concentration of dialysate is accurately controlled.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a perspective sectional view taken along line C-C of fig. 2.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is a schematic structural view of the quantitative blanking device of the present invention.
Fig. 6 is a right side view of fig. 5.
Fig. 7 is a cross-sectional view taken along line B-B of fig. 6.
Fig. 8 is a partially exploded view of the first embodiment of the quantitative feeding device of the present invention.
Fig. 9 is a partially exploded view of the quantitative blanking device of the present invention.
Fig. 10 is a perspective sectional view taken along line a-a of fig. 2.
Figure 11 is an enlarged view at B in figure 10,
fig. 12 is an enlarged view at C in fig. 10.
Fig. 13 is an enlarged view at D in fig. 10.
Fig. 14 is a schematic structural view of a base in the present invention.
FIG. 15 is a schematic diagram of a dry powder delivery device according to the present invention.
FIG. 16 is a schematic diagram of a powder bag of the present invention not placed in the powder chamber.
FIG. 17 is a schematic illustration of the tapping pipe according to the invention.
FIG. 18 is a first schematic structural view of a liquid dispensing apparatus according to the present invention.
FIG. 19 is a second schematic view of a liquid dispensing apparatus according to the present invention.
FIG. 20 is a front view of a dispensing chamber of the present invention.
Fig. 21 is a cross-sectional view taken along line B-B of fig. 20.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
As shown in fig. 1 to 21, a dialysis auxiliary device for nephrology department comprises a case 1, a liquid preparation device, a quantitative blanking device and a dry powder bag, wherein a dry powder conveying device for releasing materials in the dry powder bag outwards is arranged at the upper part of the case 1; the liquid preparation device is internally provided with liquid for containing dry powder and is used for mixing the dry powder with the liquid in the liquid preparation device under a sealed environment to prepare dialysate; the quantitative discharging device is used for controlling the discharging amount of the dry powder and slowing down the discharging speed of the dry powder; specifically, the material device comprises a material baffle plate 41 which can move back and forth and is arranged on the discharge pipe in a penetrating way, a driving part for driving the material baffle plate 41 to move and a knob part 42; the material blocking plate 41 is made of plastic, one end of the material blocking plate 41 is in an arc shape and penetrates through the discharge pipe, a clamping groove matched with the material blocking plate is formed in the inner wall of the discharge pipe, and a strip-shaped opening through which the discharge pipe penetrates is formed in the side wall of the discharge pipe; the knob piece is a common plastic knob purchased from the market, and the structure is not described in detail; when the knob member 42 is rotated towards the clockwise direction, the striker plate 41 is not driven by the driving member; when the knob member 42 rotates in the counterclockwise direction, the striker plate 41 is driven by the driving member to move back and forth, so as to discharge the material.
The liquid preparation device comprises an accommodating cavity 61, a preparation chamber 62 and a swinging component, wherein the accommodating cavity 61 is arranged at the lower part of the case, the preparation chamber is made of stainless steel, and the preparation chamber is arranged in the accommodating cavity and matched with the preparation chamber; the swinging part comprises a base 63, a universal joint 64, an elastic support part 65 and a driving motor 66, wherein the base 63 is made of stainless steel, the preparation chamber is detachably connected with the base, the universal joint 64 is a conventional universal joint on the market, one end of the universal joint 64 is connected with the base, and the other end of the universal joint 64 is connected with the driving motor 66; the driving motor 66 is embedded in the bottom wall of the accommodating cavity 61, so that the position of the driving motor is fixed; the elastic supporting piece 65 is a common spring purchased from the market, has a large elastic coefficient, and can support the preparation chamber; the elastic supporting piece 65 is sleeved outside the universal joint 64, one end of the elastic supporting piece 65 is fixedly connected with the base, and the other end of the elastic supporting piece 65 is fixedly connected with the accommodating cavity 61; preferably, the bottom of the accommodating cavity is arranged in a circular truncated cone-shaped structure, so that enough space is provided for rotation and direction inclination of the universal joint; under the structure, the inclination direction of the preparation chamber can be inclined in a direction of 360 degrees relative to the output shaft of the motor, and further when the motor drives the preparation chamber to rotate, the preparation chamber can be inclined under the action of centrifugal force, so that the overall motion track of the preparation chamber is in a circular truncated cone shape with a small lower part and a large upper part; the arrangement of the spring effectively plays a role in supporting the preparation chamber, so that the preparation chamber can be stabilized in a vertical state when the motor does not drive the preparation chamber to rotate; and the arrangement of the spring can also ensure that the preparation chamber floats up and down in the rotation process, thereby further enhancing the turbulent state of the liquid and basically avoiding the residue when the dry powder is dissolved.
Preferably, the base 63 includes a seat body 631 and a threaded sleeve 632, the seat body 631 has a slot for inserting the bottom of the preparation chamber, and the slot is matched with the bottom of the preparation chamber; the threaded sleeve 632 is rotatably arranged on the seat body, a convex part with a T-shaped cross section is arranged at the lower part of the threaded sleeve, and a ring groove with a T-shaped cross section for the convex part to insert is arranged on the seat body, so that the threaded sleeve and the seat body cannot be separated from each other; the side wall of the preparation chamber 62 is provided with an external thread which can be in threaded connection with the threaded sleeve 632; the preparation chamber 62 includes a tank 621 and an end cap 622, the end cap 622 is screwed on the tank to seal an opening at the upper part of the tank, and the end cap 622 is provided with a feeding part 623 through which dry powder can enter the tank.
As shown in fig. 18-21, a stirring device is disposed in the preparation chamber 62, and the rotation direction of the stirring device is opposite to the swing direction of the preparation chamber 62; a transmission part is arranged in the preparation chamber 62, and when the swinging part works, the transmission part drives the stirring device to rotate reversely relative to the swinging direction of the preparation chamber 62; specifically, the stirring device comprises a stirring shaft 91 made of metal and a plurality of metal stirring blades 92 arranged on the outer surface of the stirring shaft, wherein a cylindrical installation cavity 911 is arranged at the bottom of the stirring shaft 91; the transmission component comprises a circle of convex teeth 93, a rotating shaft 94, a driving gear 95 and a plurality of transmission gears 96, the circle of convex teeth 93 are arranged along the circumferential direction of the inner wall of the mounting cavity, the rotating shaft 94 can rotatably penetrate through the bottom of the preparation chamber, and the lower part of the rotating shaft 91 penetrates out of the bottom of the preparation chamber; the driving gear 95 is fixedly connected to the upper end of the rotating shaft, the number of the transmission gears 96 is 3, the transmission gears are arranged between the driving gear and the inner wall of the mounting cavity, the transmission gears 96 are respectively meshed with the driving gear 95 and the convex teeth 93, the principle is similar to a planetary gear, and the description is omitted; the driving gear 95 and the transmission gear 96 are metal gears purchased from the market, and the structure is not described again; be equipped with on the base 63 and only rotate groove 633, should only rotate the groove and form for setting up the logical groove of 1 bar on the column groove perisporium, also be equipped with the bar convex part that corresponds with logical groove in the pivot, when the pivot inserts to only rotate the groove, both can realize only rotating to the base rotates and will drive the pivot and rotate.
Specifically, the driving part comprises an elastic assembly, a driving part 43, an extending part 44, a one-way rotation stopping structure and a resetting assembly, the elastic assembly is connected with the striker plate 41, and the driving part 43 is connected with the elastic assembly; the elastic component comprises an arched elastic sheet 53, a first connecting column 54, a second connecting column 55 and a spring 56, wherein the arched elastic sheet 53 is made of stainless steel and has certain deformation capacity, the initial state is an arched state, and when the arched part is extruded by external force, the arched elastic sheet can deform; the first connecting column 54 is connected with one end of the arched elastic sheet, the second connecting column 55 is connected with the other end of the arched elastic sheet, and the first connecting column and the second connecting column are both made of stainless steel structures and are integrally formed with the stainless steel elastic sheet; the end of the striker plate 41 is provided with a cylindrical hollow extension sleeve 411, the extension sleeve 411 and the striker plate are manufactured by integral injection molding, the first connecting column 54 is rotatably arranged in the extension sleeve 411 in a penetrating manner, and an anti-falling convex portion 541 is arranged at one end of the first connecting column 54 penetrating into the extension sleeve to realize anti-falling fit with the extension sleeve, wherein the anti-falling convex portion is a ring of flange which is formed by protruding the first connecting column outwards; the second connecting column 55 is fixedly connected with the driving part; the spring 56 can be purchased directly from the market, and one end of the spring 56 is connected with one end of the arched elastic sheet 53, and the other end is connected with the other end of the arched elastic sheet 53; the case is provided with a cavity 11, the elastic assembly is arranged in the cavity 11, the elastic sheet is propped against the upper inner wall of the cavity in an initial state, the elastic sheet is in an extruded state and further in an extended state, a forward propping force is applied to the striker plate, and the discharge pipe is stopped and cannot be blanked in the initial state; in the process that the knob piece drives the arched elastic piece to rotate, the elastic piece is not extruded by the upper inner wall of the cavity any more, and can be restored to an arched state, so that the material baffle plate is pulled backwards, and the material discharging pipe is opened; of course, when the knob piece rotates for a circle, the elastic sheet returns to the extruded position again, and the process is repeated; furthermore, when the knob rotates for a plurality of circles, the intermittent blanking condition can be presented, so that the situation that too much dry powder enters for dissolving at one time can not occur, and the dissolving effect of the dry powder is improved; through the setting of spring, when guaranteeing that the shell fragment is extruded and extend, the spring also is stretched, and then guarantees that the shell fragment can be more easy and quick when the later stage resets, and the shell fragment is difficult for losing the ability of replying because of receiving the extrusion for a long time.
The driving part 43 is a circular disc body made of plastic or metal, the extending part 44 is arranged on the knob member, and the extending part 44 is a T-shaped column formed by directly extending outwards from the knob member; the unidirectional rotation stopping structure is used for realizing unidirectional rotation stopping matching between the extension part and the driving part, and specifically comprises a disc-shaped groove 45 arranged on the disc body, a circle of ratchets 46 uniformly arranged on the inner wall of the groove at intervals along the circumferential direction, and a circle of rotation stopping ratchets 47 uniformly arranged on the outer surface of the T-shaped column at intervals along the circumferential direction, wherein the T-shaped column can be inserted into the groove 45, the circle of ratchets and the circle of rotation stopping ratchets are mutually clamped, and when the knob piece rotates clockwise, the ratchets and the rotation stopping ratchets mutually slip and cannot drive the driving part to rotate; when the knob piece rotates anticlockwise, the ratchets and the rotation stopping ratchets stop rotating, and the driving part can be driven to rotate; because the ratchet is the round setting with the ratchet of splining to stability is higher during the cooperation, even there is one of them two positions because slight wearing and tearing and the condition of skidding appears, also can realize good splining cooperation between the other ratchets, guarantees that drive division can drive the extension portion and rotate all the time in the direction of splining.
The reset assembly acts on the extension part, the reset assembly comprises a positioning sleeve 51 and an energy storage part 52, the positioning sleeve 51 can be made of metal or plastic and fixedly embedded on the case, and the extension part can penetrate through the positioning sleeve to penetrate into the cavity; the energy storage piece 52 is arranged between the positioning sleeve and the extension part, and is specifically a clockwork spring made of stainless steel, one end of the energy storage piece 52 is fixedly connected with the extension part 44, and the other end is fixedly connected with the positioning sleeve 51; when the knob member idles, the energy storage member 52 can store power potential energy, and then after the knob member rotates to the right position, the energy storage member can act the stored potential energy on the knob member, so as to drive the knob member to reset; compared with a structure that the spring, the elastic sheet and the like are reset, the number of turns that the knob piece can rotate is more, the range of the feeding amount control is wider, the deformation of the energy storage piece can be stronger, and the service life is long.
Specifically, the dry powder conveying device comprises a powder cavity 2, a fixing part and a discharge pipe 3, wherein the powder cavity 2 is arranged at the upper part of the case, and the fixing part is positioned in the powder cavity and used for fixing a dry powder bag; the dry powder bag comprises a bag body 81 and a discharge connector arranged on the bag body 81, wherein the bag body is a common packaging bag on the market and is not described again; the discharge connector comprises an expanding head 82, a material guide pipe 83, a deformation section 84 and a stop ring 85, wherein the expanding head 82 is fixedly connected with a bag body and is directly and fixedly connected with a belt body in a hot melting way during packaging, the material guide pipe 83 is connected with the lower part of the expanding head, and when the dry powder bag 81 is placed in a powder cavity, the material guide pipe 83 is communicated with the discharge pipe 3; the deformation section 84 is formed on the material guide pipe, the material guide pipe 83 is made of plastic, and the deformation section 84 is directly formed on the material guide pipe 83 through injection molding; the minimum inner diameter of the deformation section 84 is 0, and the stop ring 85 is sleeved on the position of the minimum inner diameter of the deformation section 84; preferably, the stopping ring 85 is made of plastic, and the stopping ring 85 is provided with a breaking notch, wherein the breaking notch can be a broken line cut by a machine and similar to a bottle cap or a line at the upper opening of a pop can, so that the stopping ring can be broken under the action of external force;
the discharging connector is arranged on the dry powder bag, when the dry powder bag is placed in the powder cavity, the upper part of the discharging pipe can be directly inserted into the discharging connector, the discharging connector is unfolded, and materials in the dry powder bag can be directly conveyed to the liquid preparation device through the discharging pipe; after one bag is used, a new bag is replenished inwards, the powder cavity does not need to be supplemented frequently, the working efficiency is high, and the possibility of pollution of dialysate is further reduced; the stopping ring can close the discharging joint in the selling process after the dry powder bag is normally conveyed, so that the condition of material leakage is avoided; and the deformation section's setting has further reduced the emergence of leaking the material condition, and the deformation section can be backed off when passage and discharging pipe are pegged graft simultaneously, guarantees that the pipe diameter of passage is strutted to suitable state, avoids appearing the condition that the dry powder blockked up because the pipe diameter undersize.
The discharge pipe 3 comprises a material receiving head 31, a connector 32 connected with a feeding part on the end cover and a conveying pipe 33 used for connecting the material receiving head and the connector, wherein the conveying pipe 33 is made of plastics and has a corrugated pipe structure, and can deform when the preparation chamber swings; the upper part of the discharge pipe 3 can penetrate out of the material guide pipe, specifically, the material receiving head 31 penetrates into the discharge pipe, and a horn-shaped material receiving cover 34 is arranged on the material receiving head to effectively prevent powder from leaking from a gap between the material receiving head and the discharge pipe; this connect material head 31's upper portion lateral wall is gone up along the even a plurality of V type open slots 3111 that are equipped with of circumferencial direction interval, guarantees that the upper end of discharging pipe can send the deformation of part degree, and then at the in-process that inserts the deformation section, and the bore on discharging pipe upper portion can reduce, and then inserts more easily to the deformation section in, backs down the deformation section.
The fixing part comprises a cover plate 71, two fixing plates 72, a clamp 73 and a lifting handle 74, and the cover plate 71 covers the powder cavity and can close the powder cavity; the two fixing plates 72 are respectively arranged at the left side and the right side of the cover plate, two clamps are respectively arranged on the two cover plates, and the distance between the two cover plates is the length of the dry powder bag, so that the dry powder bag can be fixed by the clamps on the two fixing plates; the handle 74 is disposed on the cover plate, and the cover plate can be lifted upwards through the handle to bring the dry powder bag out of the powder cavity.
When the dialysate needs to be prepared, the cover plate is lifted upwards, the dry powder bag is fixed by the clamp, the stop ring is pulled apart, then the cover plate is moved downwards, the material receiving head is inserted into the discharging joint, and the deformation section is jacked open; in an initial state, the material baffle is in a state of closing the discharge pipe, then medical staff judges the required dry powder amount according to the concentration of the dialysate prepared as required, a rotary button piece is correspondingly rotated, corresponding turns are rotated (if the feeding amount of one turn is 10ml, and if 30ml is required, 3 turns are rotated), after the rotary button piece is in place, a driving motor is started, the preparation chamber swings, the rotary button piece reversely rotates under the action of a reset part, an arched elastic piece is driven to rotate, the material baffle is enabled to move back and forth, the discharge pipe is opened, and the feeding is controlled; the dry powder falls into the dispensing chamber and dissolves in the liquid in the dispensing chamber during rotation of the dispensing chamber.
Claims (1)
1. The utility model provides a dialysis auxiliary assembly for nephrology dept which characterized in that: comprises that
The upper part of the case (1) is provided with a dry powder conveying device which is used for releasing materials in the dry powder bag outwards; the dry powder conveying device comprises a powder cavity (2) arranged on the case, a fixing part for fixing a dry powder bag and a discharge pipe (3) matched with the dry powder bag;
the liquid preparation device is internally provided with liquid for containing dry powder and is used for mixing the dry powder with the liquid in the liquid preparation device under a sealed environment to prepare dialysate; the liquid preparation device comprises an accommodating cavity (61) arranged at the lower part of the case, a preparation chamber (62) arranged in the accommodating cavity and a swing component matched with the preparation chamber, wherein a stirring device is arranged in the preparation chamber (62), and the rotation direction of the stirring device is opposite to the swing direction of the preparation chamber (62);
the quantitative discharging device is used for controlling the discharging amount of the dry powder and slowing down the discharging speed of the dry powder; the quantitative blanking device comprises a material baffle plate (41) which can move back and forth and is arranged on the discharge pipe in a penetrating way, a driving part for driving the material baffle plate (41) to move and a knob piece (42); when the knob piece (42) rotates towards the clockwise direction, the striker plate (41) is not driven by the driving part; when the knob piece (42) rotates towards the anticlockwise direction, the material baffle plate (41) is driven by the driving part to move back and forth so as to realize the discharge of materials;
a transmission part is arranged in the preparation chamber (62), and when the swinging part works, the transmission part drives the stirring device to rotate reversely relative to the swinging direction of the preparation chamber (62);
the stirring device comprises a stirring shaft (91) and a plurality of stirring blades (92) arranged on the stirring shaft, wherein the bottom of the stirring shaft (91) is provided with an installation cavity (911); the transmission component comprises convex teeth (93) arranged along the inner wall of the mounting cavity in a circle, a rotating shaft (94) penetrating the bottom of the preparation chamber, a driving gear (95) arranged on the rotating shaft and a plurality of transmission gears (96) arranged between the driving gear and the inner wall of the mounting cavity, and the transmission gears (96) are respectively meshed with the driving gear (95) and the convex teeth (93);
the swinging part comprises a base (63) detachably connected with the preparation chamber, a universal joint (64) connected with the base, an elastic support part (65) used for supporting the preparation chamber and a driving motor (66) connected with the universal joint;
the lower part of the stirring shaft (91) penetrates out to the bottom of the preparation chamber, and a rotation stopping groove (633) matched with the stirring shaft in a rotation stopping way is arranged on the base (63);
the driving part comprises an elastic component connected with the striker plate (41), a driving part (43) connected with the elastic component, an extending part (44) arranged on the knob piece and matched with the driving part, a one-way rotation stopping structure used for realizing one-way rotation stopping matching between the extending part and the driving part, and a resetting component acting on the extending part;
the driving part comprises an elastic assembly, the elastic assembly comprises an arched elastic sheet (53), a first connecting column (54), a second connecting column (55) and a spring (56), the arched elastic sheet (53) is made of stainless steel and has certain deformation capacity, the first connecting column (54) is connected with one end of the arched elastic sheet, the second connecting column (55) is connected with the other end of the arched elastic sheet, the first connecting column and the second connecting column are both made of stainless steel structures and are integrally formed with the stainless steel elastic sheet; the end part of the striker plate (41) is provided with a cylindrical hollow extension sleeve (411), the extension sleeve (411) and the striker plate are manufactured by integral injection molding, the first connecting column (54) is rotatably arranged in the extension sleeve (411) in a penetrating manner, one end of the first connecting column (54) penetrating into the extension sleeve is provided with an anti-falling convex part (541) to realize anti-falling fit with the extension sleeve, and the anti-falling convex part is a circle of flange which is formed by protruding outwards on the first connecting column; the second connecting column (55) is fixedly connected with the driving part; one end of the spring (56) is connected with one end of the arched elastic sheet (53), the other end of the spring is connected with the other end of the arched elastic sheet (53), a cavity (11) is arranged on the case, and the elastic assembly is arranged in the cavity (11);
the driving part (43) is a circular disc body made of plastic or metal, the extension part (44) is arranged on the knob piece, and the extension part (44) is a T-shaped column formed by directly extending outwards from the knob piece; the one-way rotation stopping structure is used for realizing one-way rotation stopping matching between the extension part and the driving part, and specifically comprises a disc-shaped groove (45) arranged on the disc body, a circle of ratchets (46) uniformly arranged on the inner wall of the groove at intervals along the circumferential direction, and a circle of rotation stopping ratchets (47) uniformly arranged on the outer surface of the T-shaped column at intervals along the circumferential direction, wherein the T-shaped column can be inserted into the groove (45), and the circle of ratchets and the circle of rotation stopping ratchets are mutually clamped;
the resetting component acts on the extending part, the resetting component comprises a positioning sleeve (51) and an energy storage part (52), the positioning sleeve (51) can be made of metal or plastic and fixedly embedded on the case, and the extending part can penetrate through the positioning sleeve to penetrate into the cavity; the energy storage piece (52) is arranged between the positioning sleeve and the extension part, in particular to a clockwork spring made of stainless steel, one end of the energy storage piece (52) is fixedly connected with the extension part (44), and the other end of the energy storage piece is fixedly connected with the positioning sleeve (51);
the dry powder conveying device comprises a powder cavity (2), a fixing part and a discharge pipe (3), wherein the powder cavity (2) is arranged at the upper part of the case, and the fixing part is positioned in the powder cavity and used for fixing a dry powder bag; the dry powder bag comprises a bag body (81) and a discharge connector arranged on the bag body (81), wherein the discharge connector comprises an expanding head (82), a material guide pipe (83), a deformation section (84) and a stop ring (85), the expanding head (82) is fixedly connected with the bag body and is directly and fixedly connected with a belt body in a hot melting way during packaging, the material guide pipe (83) is connected with the lower part of the expanding head, and the material guide pipe (83) is communicated with the discharge pipe (3); the deformation section (84) is formed on the material guide pipe, the material guide pipe (83) is made of plastic, and the deformation section (84) is directly formed on the material guide pipe (83) through injection molding; the minimum inner diameter of the deformation section (84) is 0, and the stop ring (85) is sleeved on the position of the minimum inner diameter of the deformation section (84); the stop ring (85) is made of plastic, and a breaking notch is arranged on the stop ring (85);
the discharge pipe (3) comprises a material receiving head (31), a connector (32) connected with a feeding part on the end cover and a conveying pipe (33) used for connecting the material receiving head and the connector, wherein the conveying pipe (33) is made of plastics and is of a corrugated pipe structure, and can deform when the preparation chamber swings; the upper part of the discharge pipe (3) can penetrate into the material guide pipe, specifically, a material receiving head (31) penetrates into the material guide pipe, and a horn-shaped material receiving cover (34) is further arranged on the material receiving head to effectively prevent powder from leaking from a gap between the material receiving head and the discharge pipe; a plurality of V-shaped open grooves (311) are uniformly arranged on the upper side wall of the material receiving head (31) at intervals along the circumferential direction;
the fixing part comprises a cover plate (71), two fixing plates (72), a clamp (73) and a handle (74), and the cover plate (71) covers the powder cavity and can close the powder cavity; the two fixing plates (72) are respectively arranged on the left side and the right side of the cover plate, the two cover plates are respectively provided with two clamps, and the lifting handle (74) is arranged on the cover plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811417851.0A CN109621049B (en) | 2018-11-26 | 2018-11-26 | Dialysis auxiliary equipment for nephrology department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811417851.0A CN109621049B (en) | 2018-11-26 | 2018-11-26 | Dialysis auxiliary equipment for nephrology department |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109621049A CN109621049A (en) | 2019-04-16 |
| CN109621049B true CN109621049B (en) | 2022-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811417851.0A Active CN109621049B (en) | 2018-11-26 | 2018-11-26 | Dialysis auxiliary equipment for nephrology department |
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| Country | Link |
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| CN (1) | CN109621049B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003260130A (en) * | 2002-03-11 | 2003-09-16 | Nipro Corp | Automatic powder dissolution apparatus |
| CN107929838A (en) * | 2017-11-15 | 2018-04-20 | 成都菲斯普科技有限公司 | Haemodialysis equipment for kidney internal medicine |
| CN207384542U (en) * | 2017-04-13 | 2018-05-22 | 周勇 | A kind of automatic quantitative blanking machine for Hemodialysis liquid liquid make-up machine |
| CN208130939U (en) * | 2018-01-09 | 2018-11-23 | 鹤壁科彤科技有限公司 | A kind of device of Novel dry powder emulsion paint mixing preparation |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2685277Y (en) * | 2004-02-13 | 2005-03-16 | 李少平 | Powder quantitative dispensing device |
| GB2550585B (en) * | 2016-05-23 | 2021-11-03 | Kenwood Ltd | Improvements relating to food blenders |
| CN207951295U (en) * | 2017-12-26 | 2018-10-12 | 上海鑫亮塑胶制品有限公司 | A kind of raw material mixing plant for skin-care cosmetics production |
-
2018
- 2018-11-26 CN CN201811417851.0A patent/CN109621049B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003260130A (en) * | 2002-03-11 | 2003-09-16 | Nipro Corp | Automatic powder dissolution apparatus |
| CN207384542U (en) * | 2017-04-13 | 2018-05-22 | 周勇 | A kind of automatic quantitative blanking machine for Hemodialysis liquid liquid make-up machine |
| CN107929838A (en) * | 2017-11-15 | 2018-04-20 | 成都菲斯普科技有限公司 | Haemodialysis equipment for kidney internal medicine |
| CN208130939U (en) * | 2018-01-09 | 2018-11-23 | 鹤壁科彤科技有限公司 | A kind of device of Novel dry powder emulsion paint mixing preparation |
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| CN109621049A (en) | 2019-04-16 |
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Effective date of registration: 20221014 Address after: 505 Jinren Road, Jinshan District, Shanghai, 201506 Patentee after: Shanghai Treeful Pharmaceutical Co.,Ltd. Address before: No.155 Dongtian Road, Nanyuan community, Xicheng street, Huangyan District, Taizhou City, Zhejiang Province 318020 Patentee before: TAIZHOU HUANGYAN YUSHAN COMPREHENSIVE CLINIC |