CN108478897B - Automatic liquid changing device - Google Patents
Automatic liquid changing device Download PDFInfo
- Publication number
- CN108478897B CN108478897B CN201810379422.2A CN201810379422A CN108478897B CN 108478897 B CN108478897 B CN 108478897B CN 201810379422 A CN201810379422 A CN 201810379422A CN 108478897 B CN108478897 B CN 108478897B
- Authority
- CN
- China
- Prior art keywords
- support
- puncture needle
- groove
- infusion
- push rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/1407—Infusion of two or more substances
- A61M5/1408—Infusion of two or more substances in parallel, e.g. manifolds, sequencing valves
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/162—Needle sets, i.e. connections by puncture between reservoir and tube ; Connections between reservoir and tube
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
- A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/10—General characteristics of the apparatus with powered movement mechanisms
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
- A61M2205/3386—Low level detectors
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/60—General characteristics of the apparatus with identification means
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses an automatic liquid changing device, wherein a plurality of infusion bags are arranged on a fixed frame at equal intervals, a disinfection rod and a puncture needle are sequentially driven to enter the lower part of the mouth part of the infusion bag through a sliding mechanism, a second electric push rod is firstly utilized to drive the disinfection rod to lift so as to disinfect the mouth part of the infusion bag, then a first electric push rod is utilized to drive the puncture needle to lift so as to realize plugging and unplugging, a sensor on the puncture needle can play a role in sensing the liquid level in the infusion bag, so that the descending or pulling-out time of the puncture needle is controlled in real time, then a sliding block drives the disinfection rod to enter the lower part of the mouth part of the next infusion bag, and the operation is carried out according to the upper circulation, so that the functional use requirement of continuous and automatic infusion change of; meanwhile, before the puncture needle is inserted and pulled out for transfusion, the puncture needle is disinfected by the disinfection rod, so that the manual pollution caused by manual operation of nursing staff is fundamentally avoided, and the puncture needle is sanitary and safe to use.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to an automatic liquid changer.
Background
Infusion is a large dose (more than 100ml per administration) of an injection solution infused into the body by intravenous drip. Are usually packaged in plastic or glass infusion bags or bottles, and contain no preservatives or bacteriostats. When the infusion set is used, a channel between a vein and liquid medicine is established through the infusion set, the dropping speed is adjusted, liquid in the bottle flows into the dropping funnel along the thin infusion hose under the action of atmospheric pressure, and when the pressure of a water column of the dropping funnel is greater than the venous pressure, the liquid in the bottle continuously and stably flows into the vein along the hose to supplement body fluid and electrolyte or provide nutrient substances. Because the dosage is large and the injection directly enters blood, the quality requirement is high, and the production process and the like have certain difference with the small needle injection.
The infusion apparatus is a common medical consumable, a channel between a vein and liquid medicine is established through aseptic processing, liquid in the bottle flows into a dropping funnel along a thin infusion hose under the action of atmospheric pressure, and when the pressure of a water column of the dropping funnel is larger than the venous pressure, the liquid in the bottle flows into the vein along the hose and is generally used for intravenous infusion.
When the infusion apparatus is used for infusion, when the types or the volumes of the medicines are large and multiple bottles of the medicines are required to be infused, the medical staff is required to manually operate and replace the next bottle of the medicine when the previous bottle is about to be infused. In medical care places such as sickrooms or old rehabilitation centers where infusion is concentrated, the replacement amount of infusion bottles is large, the workload of medical care personnel is large, the situation that the infusion bottles cannot be replaced in time or the situation that the completion of infusion of liquid medicine in the infusion bottles cannot be found in time due to negligence in the infusion process exists, and certain potential safety hazards exist.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide an automatic liquid changer, which combines a puncture needle assembly and a disinfection assembly, and adopts the structural principle of automatic disinfection and plugging-pulling transfusion for a plurality of infusion bags or infusion bottles arranged at equal intervals, so that the functional requirement of continuously and automatically changing the infusion for a plurality of medicine bags is effectively realized, and the automatic liquid changer has the characteristics of convenience in use, safety, reliability and strong practicability.
In order to achieve the purpose, the technical scheme of the invention is as follows:
an automatic liquid changer comprises a support, a sliding mechanism, a puncture needle assembly and a disinfection assembly, wherein the support comprises a fixing frame with a U-shaped cross section and an opening facing the front side, and a supporting frame which is arranged at the lower end of the fixing frame and is U-shaped and has a downward opening;
the sliding mechanism comprises a sliding chute, a sliding block, a support, a screw and a driving part which is in power transmission with the screw, the sliding chute is longitudinally arranged on the inner wall of the back surface of the support along the support, the sliding block is in threaded connection with the screw and slides back and forth along the sliding chute under the rotation of the screw, the support is L-shaped and is arranged on the sliding block, and the horizontal part of the support is parallel to the upper end of the support;
the puncture needle assembly comprises a first electric push rod vertically arranged on the horizontal part of the support, a first support plate connected to the upper end of the push rod of the first electric push rod, a puncture needle arranged on the first support plate and a sensor arranged at the front end of the puncture needle and used for sensing liquid level, and the puncture needle is fixed through a first locking mechanism;
the disinfection component comprises a second electric push rod vertically arranged on the horizontal part of the support and longitudinally spaced from the first electric push rod along the sliding chute, a second support plate connected to the upper end of the push rod of the second electric push rod, and a disinfection rod assembly arranged on the second support plate, wherein the disinfection rod assembly comprises a sleeve, a connecting rod sleeved in the sleeve and axially sliding in a reciprocating manner along the sleeve body, a disinfection rod arranged at the upper end of the connecting rod, and a spring sleeved on the connecting rod and positioned between the disinfection rod and the sleeve, the puncture needle, the disinfection rod and the axis of the opening part of the infusion bag are positioned on the same vertical surface, and the sleeve is fixed through a second clamping and locking mechanism;
the device further comprises a controller arranged on the back of the vertical part of the support, and the controller is used for integrally controlling the driving part, the sensor, the first electric push rod and the second electric push rod.
Furthermore, the breach is the rectangle, and the lateral wall of support frame is run through to the front side of breach, and it has first half limit groove to open on the back lateral wall of breach, all opens the draw-in groove on the both sides wall of breach.
Further, the fixing mechanism comprises a fixing plate matched with the notch, clamping blocks arranged on two sides of the fixing plate and in sliding fit with the clamping grooves, elastic pieces arranged in the clamping grooves, one ends of the elastic pieces are connected with the clamping blocks, and stop blocks connected with the other ends of the elastic pieces and installed at outer ports of the clamping grooves, second half grooves corresponding to the first half grooves are formed in the rear side wall of the fixing plate, clamping spaces for the opening portions of the infusion bags are formed between the first half grooves and the second half grooves, elastic force of the elastic pieces forms clamping force, the fixing plate is pulled towards the front side, the elastic pieces are compressed, and the fixing plate drives the clamping blocks to slide along the clamping grooves, so that loosening of the clamping spaces is achieved.
Furthermore, the first locking mechanism comprises a first holding ring with a first groove, one end of the first holding ring is hinged to the side wall of the first support plate in the vertical plane, the other end of the first holding ring is detachably connected with the side wall, a second groove is formed in the side wall of the first support plate corresponding to the first groove, and a puncture needle clamping space is formed between the first groove and the second groove.
Furthermore, the second locking mechanism comprises a second holding ring with a third groove, one end of the second holding ring is hinged to the side wall of the second support plate in the vertical plane, the other end of the second holding ring is detachably connected with the side wall, a fourth groove is formed in the side wall of the second support plate corresponding to the third groove, and a sleeve clamping space is formed between the third groove and the fourth groove.
Furthermore, the puncture needle clamping space and the sleeve clamping space are positioned on a side wall which is far away from the first support plate and the second support plate.
Furthermore, the horizontal part of support just is close to the below of first kayser mechanism and opens and to have the U-shaped hole that suits with the transfer line, it has the card strip to articulate on the lateral wall in U-shaped hole, and it has the card hole that suits with the card strip to open on another lateral wall in U-shaped hole relative with the card strip, rotates the card strip in order to realize loosening and fixing the transfer line.
Further, the pjncture needle includes and cooperates and the stiff end of lower extreme connection transfer line and set up the needle tubing body that is the taper shape in stiff end upper end and front end with first kayser mechanism, this internal first cavity and the second cavity of having of needle tubing, first cavity switches on with the transfer line mutually, the second cavity is used for holding the connecting wire of sensor.
Furthermore, a plurality of labels are arranged on the front side of the support frame at intervals, and the labels correspond to the positions of the hung infusion bags.
When the automatic liquid changer of the technical scheme works, the slider is driven to slide by the driving part, the slider drives the disinfection rod to enter the lower part of the opening part of a first infusion bag firstly, the second electric push rod drives the disinfection rod to ascend and descend so as to realize disinfection and home position restoration of the opening part of the infusion bag, then the driving part drives the slider to slide so as to drive the puncture needle to enter the lower part of the opening part of the infusion bag, the first electric push rod drives the puncture needle to ascend so as to realize that the puncture needle is inserted into the opening part of the infusion bag, the sensor senses the liquid level in the infusion bag, when the liquid level is lower than the sensing position of the sensor, the controller timely controls the first electric push rod to descend so as to extract the puncture needle, and then the slider is driven by the driving part to slide, and the slider.
The invention has the beneficial effects that:
1. the automatic liquid changer of the invention adopts the technical scheme that a plurality of infusion bags or infusion bottles are arranged on a fixed frame at equal intervals, a puncture needle assembly and a disinfection assembly are arranged below the mouth part of the infusion bag, a disinfection rod and a puncture needle are sequentially driven to respectively enter the lower part of the mouth part of the infusion bag through a sliding mechanism, the disinfection rod is driven to ascend and descend by a second electric push rod to realize the disinfection of the mouth part of the infusion bag, then the puncture needle is driven to ascend and descend by a first electric push rod to realize the plugging and unplugging at the mouth part of the infusion bag, a sensor on the puncture needle can play a role in sensing the liquid level in the infusion bag, so as to control the descending or unplugging time of the puncture needle in real time, then a slide block drives the disinfection rod to enter the lower part of the mouth part of the next infusion bag, the automatic liquid changer is carried out, the infusion efficiency is effectively improved;
2. the disinfection component is disinfected by the disinfection rod before the puncture needle is inserted into and pulled out of the mouth of the infusion bag for infusion, so that the manual pollution of a nursing worker to medicines during manual operation is fundamentally avoided, the infection of the nursing worker by human body liquid is avoided, and the use is sanitary and safe.
3. When the infusion tube fixing device is used, the arranged clamping strip can fix the infusion tube penetrating through the U-shaped hole, so that potential safety hazards such as detachment of the infusion tube and the like caused by the fact that the infusion tube is swung or pulled due to other factors such as manual movement and the like in the infusion process are prevented, and the infusion tube fixing device is safe and reliable to use; meanwhile, the arranged labels can correspond to all infusion bags to mark sequence numbers or category names of the infusion bags and the like, so that the convenience in use is effectively improved, the characteristics of strong practicability are realized, and the method is suitable for popularization and application in the field.
Drawings
FIG. 1 is a schematic front view of an automatic liquid changer according to the present invention;
FIG. 2 is a left side view of the automatic liquid changer;
FIG. 3 is a schematic view of a portion of the enlarged structure of FIG. 1;
FIG. 4 is a schematic top view of the structure of FIG. 3;
FIG. 5 is a schematic view of a fixing mechanism of an automatic liquid changer according to the present invention;
FIG. 6 is a schematic view illustrating an open state of a fixing mechanism of an automatic liquid changer according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "back", "horizontal", "vertical", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1, are only used for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-6, an automatic liquid changer mainly according to the transfusion needs of an infusion bag or an infusion bottle, the technical scheme is explained by the unfolding technology of the infusion bag, and according to the known structural characteristics of the infusion bag, the infusion bag is provided with a ring hole for hanging at the rear end and an opening part for inserting and pulling a puncture needle at the front end; the automatic liquid changer comprises a bracket 1, a sliding mechanism 2, a puncture needle assembly 3 and a disinfection assembly 4, wherein the bracket comprises a fixed frame 11 with a U-shaped section and an opening facing the front side and a supporting frame 12 arranged at the lower end of the fixed frame and with a U-shaped opening facing downwards, the fixed frame and the supporting frame are preferably integrally formed, the manufacturing cost is favorably reduced, the structural strength is improved, and the connecting modes such as welding or bolt fixing can be selected according to the actual production condition; a plurality of hooks 111 for hanging the infusion bag are arranged on the top wall of the fixing frame at equal intervals along the longitudinal direction of the fixing frame, and it can be understood that the interval between the hooks is at least larger than the transverse width of the infusion bag, so as to meet the hanging requirement of the infusion bag; a notch 121 for the mouth of the infusion bag 6 to vertically penetrate through is formed in the upper end of the support frame, and a fixing mechanism 13 for fastening the mouth of the infusion bag is arranged on the notch; according to the common hanging knowledge, the hook preferably has the telescopic capacity or the capacity of adjusting the vertical height so as to meet the fixing requirements of infusion bags or infusion bottles with different sizes through the fixing mechanism; preferably, the notch is rectangular, and the front side of the notch penetrates through the side wall of the support frame, namely the front wall of the support frame extends out; a first semicircular groove 122 is formed in the rear side wall of the notch, the first semicircular groove is preferably semicircular, and clamping grooves 123 are formed in the two side walls of the notch; the fixing mechanism comprises a fixing plate 131 matched with the notch, clamping blocks 132 arranged on two sides of the fixing plate and in sliding fit with the clamping grooves, an elastic part 133 arranged in the clamping grooves and with one end connected with the clamping blocks, and a stop 134 connected with the other end of the elastic part and installed at the outer port of the clamping grooves, the elastic part is preferably a spring, the stop plays a role of restraining or stopping the elastic part so as to meet the sliding requirement of the clamping blocks along the clamping grooves, the rear side wall of the fixing plate is provided with a second half groove 135 corresponding to the first half groove, the second half groove is preferably a semicircle same as the first half groove, the circular space between the first half groove and the second half groove is matched with the port of the infusion bag, so that a clamping space for the port of the infusion bag is formed between the first half groove and the second half groove, the elastic force of the elastic part forms a clamping force, the fixing plate is pulled towards the front side, and the elastic part is compressed, the fixing plate drives the clamping block to slide along the clamping groove so as to realize loosening of the clamping space, and is favorable for fixing and removing the mouth of the infusion bag, and the use is convenient.
The sliding mechanism comprises a sliding groove 21, a sliding block 22, a support 23, a screw 24 and a driving part 25 which is in power transmission with the screw, the sliding groove is longitudinally installed on the inner wall of the back surface of the support frame along the support frame, the sliding block is in threaded connection with the screw and slides back and forth along the sliding groove under the rotation of the screw, the support is L-shaped and is installed on the sliding block, the horizontal part of the support is parallel to the upper end of the support frame, and therefore the end surface of the opening part of the infusion bag is parallel to the horizontal part of the support, and the puncture needle assembly can.
The puncture needle assembly comprises a first electric push rod 31 vertically arranged at the horizontal part of the support, a first support plate 32 connected to the upper end of the push rod of the first electric push rod, a puncture needle 33 installed on the first support plate and a sensor 34 arranged at the front end of the puncture needle and used for sensing liquid level, the puncture needle is fixed through a first locking mechanism 35, during installation, the puncture needle is fixed in a vertical state, so that the front end of the puncture needle is vertically plugged in the opening part of an infusion bag, the first electric push rod is an executing mechanism for ascending and descending of the puncture needle, and can be replaced by other executing mechanisms such as an air cylinder or a hydraulic rod according to actual production requirements.
The disinfection component comprises a second electric push rod 41 which is vertically arranged on the horizontal part of the support and is longitudinally spaced from the first electric push rod along the sliding chute, a second support plate 42 connected to the upper end of the push rod of the second electric push rod, and a disinfection rod combination 43 arranged on the second support plate, wherein the disinfection rod combination comprises a sleeve 431, a connecting rod 432 which is sleeved in the sleeve and axially slides in a reciprocating manner along the sleeve body, a disinfection rod 433 arranged at the upper end of the connecting rod, and a spring 434 which is sleeved on the connecting rod and is positioned between the disinfection rod and the sleeve, the axes of the puncture needle, the disinfection rod and the opening part of the infusion bag are positioned on the same vertical surface, the sleeve is fixed by a second locking mechanism 44, and therefore, the installation and fixing mode of the disinfection component is the same as the;
still including setting up controller 5 on the vertical portion back of support, the controller is used for integrated control drive division, sensor, first electric putter and second electric putter, and then improves system integration degree and convenience of use, and the controller setting still can play the effect of counter weight on the vertical portion back of support to gravity on the balanced support horizontal part.
As a preferred technical scheme, first kayser mechanism is including having first holding ring 352 of first recess 351, the one end of first holding ring is articulated in the vertical plane with the lateral wall of first support plate, and the other end of first holding ring can be dismantled with this lateral wall and be connected, preferably adopts butterfly nut to carry out the screw fastening, can easily manual fastening and relax, convenient to use, with it has second recess 353 to open on the first support plate lateral wall that first recess corresponds, constitute pjncture needle chucking space between first recess and the second recess.
As a preferred technical solution, the second locking mechanism includes a second clasping ring 442 having a third groove 441, one end of the second clasping ring is hinged to a side wall of the second support plate in a vertical plane, the other end of the second clasping ring is detachably connected to the side wall, a fourth groove 443 is formed on the side wall of the second support plate corresponding to the third groove, and a sleeve clamping space is formed between the third groove and the fourth groove, as can be seen from the above, the second locking mechanism and the first locking mechanism have the same structural composition, and the fixing manner can refer to the first locking mechanism, which is not described herein again; preferably, the puncture needle clamping space and the sleeve clamping space are located on one side wall which is far away from the first support plate and the second support plate, so that the distance between the puncture needle and the sleeve is ensured, mutual interference influence is avoided, meanwhile, the longitudinal width of the support can be reduced, and the structure is more compact.
As a preferred technical scheme, the horizontal part of support just is close to the below of first kayser mechanism and opens and has the U-shaped hole 231 that suits with the transfer line, it has card strip 232 to articulate on the lateral wall in U-shaped hole, and it has the card hole 233 that suits with the card strip to open on another lateral wall in the U-shaped hole that is relative with the card strip, rotates the card strip in order to realize unclamping and fixing the transfer line, easy operation prevents at the infusion in-process, because other factors such as artificial activity cause the condition that the transfer line whipped or was dragged, causes the potential safety hazards such as transfer line break away from to take place, improves the infusion security.
As a preferred technical scheme, the puncture needle comprises a fixed end 331 matched with the first locking mechanism and having a lower end connected with the infusion tube, and a needle tube body 332 arranged at the upper end of the fixed end and having a tip cone-shaped front end, wherein the needle tube body is internally provided with a first cavity 333 and a second cavity 334, the first cavity is communicated with the infusion tube, and the second cavity is used for accommodating a connecting wire of the sensor, so that the installation of the sensor is combined with the puncture function of the needle tube body.
As a preferred technical scheme, a plurality of labels 124 are arranged on the front side of the support frame at intervals, the labels correspond to the positions of the hung infusion bags, the sequence numbers or the names of the infusion bags can be marked on the labels, and the use convenience is effectively improved.
The use method of the automatic liquid exchanger in the technical scheme comprises the following steps:
the working process is as follows:
1) the driving part drives the sliding block to slide, the sliding block drives the disinfection rod to firstly enter the lower part of the mouth of the first infusion bag, and the second electric push rod drives the disinfection rod to ascend and descend so as to realize disinfection and recovery of the mouth of the infusion bag;
2) then, the driving part drives the sliding block to slide so as to drive the puncture needle to enter the lower part of the opening part of the infusion bag, the puncture needle is driven to ascend through the first electric push rod so as to be inserted into the opening part of the infusion bag, the sensor senses the liquid level in the infusion bag, and when the liquid level is lower than the sensing position of the sensor, the controller timely controls the first electric push rod to descend so as to pull out the puncture needle;
3) then the driving part drives the slide block to slide, and the slide block drives the disinfection rod to enter the lower part of the mouth part of the next infusion bag, and the operation is carried out circularly according to the steps;
in summary, all the movement units include the driving portion, the first electric push rod, the second electric push rod and the sensor, which are integrally controlled by the controller, and the controller can preset the lifting height of the first electric push rod and the second electric push rod, and the sliding distance of the slider at each time, for example: the distance between the puncture needle and the disinfection rod is a, the distance between the mouths of the adjacent infusion bags is b, the displacement of the sliding block can be set to be a and b alternately, and the control program is simple and easy to realize.
The foregoing description and examples are exemplary only, and are not intended to limit the scope of the invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides an automatic liquid changer, includes support (1), slide mechanism (2), pjncture needle subassembly (3) and disinfection subassembly (4), its characterized in that: the support comprises a fixing frame (11) with a U-shaped cross section and an opening facing the front side and a support frame (12) which is arranged at the lower end of the fixing frame and has a U-shaped opening facing downwards, a plurality of hooks (111) for hanging the infusion bag are arranged on the top wall of the fixing frame at equal intervals along the longitudinal direction of the fixing frame, a notch (121) for the mouth of the infusion bag (6) to vertically penetrate through is arranged at the upper end of the support frame, and a fixing mechanism (13) for fastening the mouth of the infusion bag is arranged on the notch;
the sliding mechanism comprises a sliding groove (21), a sliding block (22), a support (23), a screw (24) and a driving part (25) for transmitting power with the screw, the sliding groove is longitudinally arranged on the inner wall of the back surface of the support along the support, the sliding block is in threaded connection with the screw and slides in a reciprocating manner along the sliding groove under the rotation of the screw, the support is L-shaped and arranged on the sliding block, and the horizontal part of the support is parallel to the upper end of the support;
the puncture needle assembly comprises a first electric push rod (31) vertically arranged at the horizontal part of the support, a first support plate (32) connected to the upper end of the push rod of the first electric push rod, a puncture needle (33) installed on the first support plate and a sensor (34) arranged at the front end of the puncture needle and used for sensing liquid level, and the puncture needle is fixed through a first locking mechanism (35);
the disinfection component comprises a second electric push rod (41) which is vertically arranged on the horizontal part of the support and is arranged at a longitudinal distance from the first electric push rod along the sliding chute, a second support plate (42) connected to the upper end of the push rod of the second electric push rod, and a disinfection rod combination (43) arranged on the second support plate, wherein the disinfection rod combination comprises a sleeve (431), a connecting rod (432) which is sleeved in the sleeve and slides in a reciprocating manner along the axial direction of the sleeve, a disinfection rod (433) arranged at the upper end of the connecting rod, and a spring (434) which is sleeved on the connecting rod and is positioned between the disinfection rod and the sleeve, the axes of the puncture needle, the disinfection rod and the opening part of the infusion bag are positioned on the same vertical surface, and;
the device is characterized by further comprising a controller (5) arranged on the back face of the vertical part of the support, wherein the controller is used for integrally controlling the driving part, the sensor, the first electric push rod and the second electric push rod.
2. The automatic liquid changer of claim 1, wherein: the breach is the rectangle, and the lateral wall of support frame is run through to the front side of breach, and it has first half limit groove (122) to open on the back lateral wall of breach, all opens on the both sides wall of breach has draw-in groove (123).
3. The automatic liquid changer of claim 2, wherein: the fixing mechanism comprises a fixing plate (131) matched with the notch, clamping blocks (132) arranged on two sides of the fixing plate and in sliding fit with the clamping grooves, elastic pieces (133) arranged in the clamping grooves, one ends of the elastic pieces are connected with the clamping blocks, and the other ends of the elastic pieces are connected with the other ends of the elastic pieces and mounted on the outer ports of the clamping grooves, second half-side grooves (135) corresponding to the first half-side grooves are formed in the rear side wall of the fixing plate, clamping spaces for the opening portions of the infusion bags are formed between the first half-side grooves and the second half-side grooves, elastic forces of the elastic pieces form clamping forces, the fixing plate is pulled towards the front side, the elastic pieces are compressed, and the fixing plate drives the clamping blocks to slide along the clamping.
4. The automatic liquid changer of claim 1, wherein: the first clamping and locking mechanism comprises a first holding ring (352) with a first groove (351), one end of the first holding ring is hinged to the side wall of the first support plate in the vertical plane, the other end of the first holding ring is detachably connected with the side wall, a second groove (353) is formed in the side wall of the first support plate corresponding to the first groove, and a puncture needle clamping space is formed between the first groove and the second groove.
5. The automatic liquid changer of claim 4, wherein: the second locking mechanism comprises a second holding ring (442) with a third groove (441), one end of the second holding ring is hinged to the side wall of the second support plate in a vertical plane, the other end of the second holding ring is detachably connected with the side wall, a fourth groove (443) is formed in the side wall of the second support plate corresponding to the third groove, and a sleeve clamping space is formed between the third groove and the fourth groove.
6. The automatic liquid changer of claim 5, wherein: the puncture needle clamping space and the sleeve clamping space are located on one side wall, far away from the first support plate and the second support plate.
7. The automatic liquid changer of claim 1, wherein: the horizontal part of support just is close to the below of first kayser mechanism and opens and to have U-shaped hole (231) that suit with the transfer line, it has card strip (232) to articulate on the lateral wall in U-shaped hole, and it has card hole (233) that suit with card strip to open on another lateral wall in U-shaped hole relative with card strip, rotates the card strip in order to realize loosening and fixing the transfer line.
8. The automatic liquid changer of claim 1, wherein: the puncture needle comprises a fixed end (331) matched with the first locking mechanism and with a lower end connected with the infusion tube and a needle tube body (332) arranged at the upper end of the fixed end and with a pointed cone-shaped front end, wherein the needle tube body is internally provided with a first cavity (333) and a second cavity (334), the first cavity is communicated with the infusion tube, and the second cavity is used for accommodating a connecting wire of the sensor.
9. The automatic liquid changer of claim 1, wherein: a plurality of labels (124) are arranged on the front side of the support frame at intervals, and the labels correspond to the positions of the hung infusion bags.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379422.2A CN108478897B (en) | 2018-04-25 | 2018-04-25 | Automatic liquid changing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379422.2A CN108478897B (en) | 2018-04-25 | 2018-04-25 | Automatic liquid changing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108478897A CN108478897A (en) | 2018-09-04 |
| CN108478897B true CN108478897B (en) | 2020-12-29 |
Family
ID=63313103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810379422.2A Expired - Fee Related CN108478897B (en) | 2018-04-25 | 2018-04-25 | Automatic liquid changing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108478897B (en) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109621067B (en) * | 2018-12-07 | 2021-04-06 | 王燕 | Based on computer intelligent monitoring medicament injection system |
| CN109876238A (en) * | 2019-04-17 | 2019-06-14 | 温州市中心医院 | A kind of transfusion set heating pressurization |
| CN110575394B (en) * | 2019-09-25 | 2024-05-31 | 南京市江宁医院 | Anti-pollution injection bag protection device |
| CN110917444B (en) * | 2019-12-05 | 2021-08-06 | 鹤壁市人民医院 | Medical instrument |
| CN110918180A (en) * | 2019-12-18 | 2020-03-27 | 温州兴升环保科技有限公司 | Waste material separation recovery unit who contains metalliferous material |
| CN111135370B (en) * | 2020-01-17 | 2021-01-01 | 青岛大学附属医院 | Medical intravenous blood injection bottle-by-bottle liquid pusher |
| CN111569186A (en) * | 2020-05-28 | 2020-08-25 | 赵建通 | Infusion administrative or technical offices are with automatic liquid support that trades |
| CN111569188B (en) * | 2020-06-06 | 2021-01-22 | 冯桂梅 | Medical disinfection type bottle hanging device |
| CN111632225B (en) * | 2020-06-09 | 2021-04-27 | 青岛大学附属医院 | Take drip stand of automatic pressure regulating and change medicine bottle function |
| CN112230006A (en) * | 2020-09-30 | 2021-01-15 | 柳州市妇幼保健院 | Urine detection equipment |
| CN112293022B (en) * | 2020-11-12 | 2021-11-16 | 陈良华 | Irrigation device for planting red Fuji high-yield grapes and using method thereof |
| CN112675381B (en) * | 2020-12-01 | 2022-06-03 | 河南职业技术学院 | Adjustable intelligent infusion robot based on Internet of things |
| CN114796697B (en) * | 2022-05-05 | 2024-02-13 | 河北医科大学第三医院 | Intelligent blood transfusion device for hematology department |
| CN114654753B (en) * | 2022-05-23 | 2022-08-12 | 常州医疗器材总厂股份有限公司 | Automatic assembling process of infusion apparatus |
| CN115177810B (en) * | 2022-06-22 | 2024-05-28 | 武汉市零介物联网科技有限责任公司 | Auxiliary device for intelligently switching multiple infusion bottles or infusion bags |
| CN115068258B (en) * | 2022-07-29 | 2023-07-18 | 泰州市人民医院 | Medical tower crane for ICU |
| CN116889656B (en) * | 2023-08-03 | 2024-02-27 | 中国人民解放军总医院第六医学中心 | Portable transfusion device for combat readiness and rescue |
| CN118662716A (en) * | 2024-08-26 | 2024-09-20 | 江苏杰瑞医疗技术有限公司 | Automatic liquid changing device for peritoneal dialysis |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06277282A (en) * | 1993-03-30 | 1994-10-04 | Terumo Corp | Automatic switching device for infusion agent |
| CN202724343U (en) * | 2012-07-19 | 2013-02-13 | 西南交通大学 | Transfusion device capable of automatically withdrawing needle and replacing bottle |
| CN105879141A (en) * | 2014-11-28 | 2016-08-24 | 郑艳辉 | Infusion equipment capable of automatically changing liquid and controlling speed and using method of infusion equipment |
| CN105983158A (en) * | 2016-04-26 | 2016-10-05 | 上海金标生物科技有限公司 | Transfusion control system |
| CN206508327U (en) * | 2016-08-19 | 2017-09-22 | 黄河科技学院 | Infusion bottle circular array automated needle changeover infusion device |
| CN107281579A (en) * | 2017-06-09 | 2017-10-24 | 曾怡霖 | A kind of intelligent infusion device under germ-free condition |
| CN206950405U (en) * | 2016-10-13 | 2018-02-02 | 河南理工大学 | It is automatic to change infusion bottle device |
-
2018
- 2018-04-25 CN CN201810379422.2A patent/CN108478897B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06277282A (en) * | 1993-03-30 | 1994-10-04 | Terumo Corp | Automatic switching device for infusion agent |
| CN202724343U (en) * | 2012-07-19 | 2013-02-13 | 西南交通大学 | Transfusion device capable of automatically withdrawing needle and replacing bottle |
| CN105879141A (en) * | 2014-11-28 | 2016-08-24 | 郑艳辉 | Infusion equipment capable of automatically changing liquid and controlling speed and using method of infusion equipment |
| CN105983158A (en) * | 2016-04-26 | 2016-10-05 | 上海金标生物科技有限公司 | Transfusion control system |
| CN206508327U (en) * | 2016-08-19 | 2017-09-22 | 黄河科技学院 | Infusion bottle circular array automated needle changeover infusion device |
| CN206950405U (en) * | 2016-10-13 | 2018-02-02 | 河南理工大学 | It is automatic to change infusion bottle device |
| CN107281579A (en) * | 2017-06-09 | 2017-10-24 | 曾怡霖 | A kind of intelligent infusion device under germ-free condition |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108478897A (en) | 2018-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108478897B (en) | Automatic liquid changing device | |
| CN204033910U (en) | Exempt from nurse automatic decanting infusion set | |
| CN106075642B (en) | Infusion device capable of automatically replacing infusion bottle | |
| CN206730147U (en) | A kind of infusion machine people | |
| CN111569188B (en) | Medical disinfection type bottle hanging device | |
| CN107233638B (en) | Automatic change infusion bottle device | |
| CN112494325B (en) | Infusion robot capable of automatically blending liquid medicine | |
| CN208974834U (en) | A kind of more bag/bottle automatic infusion devices | |
| CN105457121A (en) | Medicine dispensing method for powder injection bottle and medicine dispensing mechanism | |
| CN211326906U (en) | Automatic medicine dispensing robot | |
| CN216148747U (en) | Infusion device capable of automatically changing medicine | |
| CN208481720U (en) | A kind of Medical transfusion liquid make-up machine | |
| CN111084916A (en) | Automatic dressing change infusion set | |
| AU2021101520A4 (en) | Automatic liquid exchanger | |
| CN209611885U (en) | A kind of higher automatic infusion device of safety | |
| CN112932979A (en) | Disposable nutrition infusion apparatus and enteral nutrition pump with same | |
| CN205832183U (en) | A kind of medicine bottle makes up a prescription mechanism | |
| CN215134633U (en) | Sealing device suitable for all-in-one infusion apparatus | |
| CN216603664U (en) | Automatic change infusion container and intelligent speed governing's supplementary infusion system | |
| CN219878833U (en) | Telescopic infusion rod | |
| CN215608265U (en) | Structure-adjustable infusion support for outpatient service | |
| CN220530444U (en) | Transfusion system support convenient to remove use | |
| CN215460861U (en) | Infusion device for ICU nursing | |
| CN211884764U (en) | Novel gravity venous transfusion nursing management device | |
| CN219308631U (en) | Automatic liquid dispensing device in clean room for vein dispensing center |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201229 |