CN108339172B - Automatic pipe flushing device - Google Patents
Automatic pipe flushing device Download PDFInfo
- Publication number
- CN108339172B CN108339172B CN201810297903.9A CN201810297903A CN108339172B CN 108339172 B CN108339172 B CN 108339172B CN 201810297903 A CN201810297903 A CN 201810297903A CN 108339172 B CN108339172 B CN 108339172B
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- Prior art keywords
- base
- cavity cylinder
- pushing
- push rod
- pulse guide
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- 238000011010 flushing procedure Methods 0.000 title claims abstract description 57
- 239000012530 fluid Substances 0.000 claims abstract description 44
- 238000005381 potential energy Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims 2
- 239000007788 liquid Substances 0.000 description 13
- 239000003814 drug Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 238000007789 sealing Methods 0.000 description 7
- 238000001802 infusion Methods 0.000 description 3
- 229940079593 drug Drugs 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 208000011726 slow pulse Diseases 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
-
- 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
- A61M25/00—Catheters; Hollow probes
-
- 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
- A61M2005/1401—Functional features
- A61M2005/1403—Flushing or purging
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M2025/0019—Cleaning catheters or the like, e.g. for reuse of the device, for avoiding replacement
-
- 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
- A61M2205/3331—Pressure; Flow
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to an automatic flushing pipe device, which comprises: a chamber cartridge for containing a fluid; the push rod is used for pushing the fluid in the cavity cylinder to flow out of the cavity cylinder, and comprises a pushing end and a stretching end; the base is connected with the cavity cylinder, the pushing end is arranged in the cavity cylinder, and the stretching end penetrates through the base and is arranged outside the cavity cylinder; the elastic power element is arranged in the cavity cylinder and is positioned between the pushing end and the base, when a pulling force is applied to the stretching end so that the pushing end moves towards the base, the elastic power element gradually stores elastic potential energy, and when the pulling force of the stretching end is released, the elastic potential energy is released and pushes the pushing end away from the base. The automatic flushing pipe device can replace manual operation in the flushing pipe process, automatically complete flushing pipe and avoid the phenomenon of incomplete flushing pipe caused by discomfort and too slow speed of a patient due to too fast manual fluid pushing speed of medical staff.
Description
Technical Field
The invention relates to medical equipment, in particular to an automatic flushing pipe device.
Background
In the medical infusion process, infusion is finished or the interval between two times of administration is longer, and the infusion tube is required to be flushed with liquid medicine. The existing flushing pipe mode is to communicate a nozzle arranged at the front end of a liquid medicine injector with a liquid pipe, medical staff intermittently push the push rod of the liquid medicine injector to push liquid in the liquid medicine injector into the liquid pipe, so that the liquid forms small vortex in the liquid pipe, and residual medicines in the liquid medicine pipe are flushed clean. The flushing pipe mode completely depends on the operation method of medical staff, and the flushing pipe is not thorough due to discomfort of patients and too slow caused by too fast speed of the medical staff to push the liquid medicine due to individual difference.
Disclosure of Invention
Therefore, the invention aims to provide an automatic flushing pipe device which can replace manual operation to automatically complete flushing pipe in the flushing pipe process, and avoid the phenomenon of incomplete flushing pipe caused by discomfort and too slow speed of a patient due to too fast manual fluid pushing speed of medical staff.
In order to achieve the above purpose, the present invention provides the following technical solutions:
An automatic wash pipe device comprising:
A chamber cartridge for containing a fluid;
A push rod for pushing fluid in the cavity cylinder to flow out of the cavity cylinder, wherein the push rod comprises a pushing end and a stretching end;
The base is connected with the cavity cylinder, the pushing end is arranged in the cavity cylinder, and the stretching end penetrates through the base and is arranged outside the cavity cylinder;
the elastic power element is arranged in the cavity cylinder and is positioned between the pushing end and the base, when a tensile force is applied to the stretching end so that the pushing end moves towards the base, the elastic power element gradually stores elastic potential energy, and when the tensile force of the stretching end is relieved, the elastic potential energy is released and pushes the pushing end away from the base.
Preferably, the method further comprises:
A pulse guide connected to the inner side of the base;
the pulse guide groove is matched with the pulse guide piece and is arranged on the circumferential outer wall of the push rod;
And in the process of releasing the elastic potential energy and pushing the pushing end to be far away from the base, the pulse guide piece moves in the pulse guide groove so as to enable the push rod to perform pulse motion.
Preferably, the inner bottom surface of the pulse guide groove is curved.
Preferably, the radian at the inflection point of the pulse guide groove is gradually increased from the stretching end to the pushing end.
Preferably, a slot hole matched with the pulse guide member is formed in the inner side of the base, and the pulse guide member is fixedly embedded in the corresponding slot hole.
Preferably, the pulse guide is spherical.
Preferably, the device further comprises a stopper penetrating through the push rod in the radial direction, and when the pulling force of the stretching end is released, the stopper is blocked by the base to lock and stop the push rod.
Preferably, the base is provided with a radial first keyhole, the push rod is provided with a radial second keyhole, a stop piece is arranged in the first keyhole and the second keyhole in a penetrating way, and when the tensile force of the stretching end is relieved, the stop piece is blocked by the base to lock and stop the push rod.
Preferably, a positioning groove is formed in the front end face of the base, the cavity cylinder is inserted into the positioning groove, and a positioning pin matched with the positioning groove is arranged between the base and the cavity cylinder in a penetrating mode.
Preferably, the pushing end is provided with a detachable piston.
According to the above technical solution, it can be known that the automatic flushing pipe device of the present invention includes: a chamber cartridge for containing a fluid; the push rod is used for pushing the fluid in the cavity cylinder to flow out of the cavity cylinder, and comprises a pushing end and a stretching end; the base is in sealing connection with one end of the cavity cylinder, the pushing end is arranged in the cavity cylinder, and the stretching end penetrates through the base and is arranged outside the cavity cylinder; the elastic power element is arranged in the cavity cylinder and is positioned between the pushing end and the base, when a tensile force is applied to the stretching end so that the pushing end moves towards the direction of the base, the elastic power element gradually stores elastic potential energy, and when the tensile force of the stretching end is relieved, the elastic potential energy is released and pushes the pushing end to be far away from the base. When the flushing pipe is operated, the stretching end of the push rod is pulled backwards, so that the pushing end moves towards the direction of the base, meanwhile, the elastic power element is compressed by the pushing end to gradually store elastic potential energy, after fluid is filled into the cavity cylinder, the pulling force of the stretching end of the push rod is released, at the moment, the elastic potential energy is released, the pushing end pushes the fluid in the cavity cylinder to flow out, and then the automatic flushing pipe is completed through the linkage action of the pushing rod and the elastic power element, so that the traditional manual operation is replaced, and the phenomenon that the flushing pipe is not thorough due to discomfort of a patient and too slow speed caused by the fact that medical staff manually pushes the fluid is avoided.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of an automatic pipe flushing device of the present invention;
FIG. 2 is an exploded view of another embodiment of the automatic pipe flushing device of the present invention;
FIG. 3 is a cross-sectional view of another automatic pipe flushing device of the present invention;
FIG. 4 is a schematic view of a base structure in an embodiment of the invention;
FIG. 5 is a top view of a pushrod in one embodiment of the invention;
FIG. 6 is a cross-sectional view of a modular automatic pipe flushing apparatus of the present invention;
Wherein, the reference numerals in the drawings are as follows:
1-cavity cylinder, 2-nozzle, 3-push rod, 31-push end, 32-stretching end, 4-piston, 5-base, 6-locating pin, 7-first keyhole, 8-second keyhole, 9-stopper, 10-pulse guide, 11-pulse guide slot, 12-elastic power element, 13-connecting channel, 14-second cavity cylinder, 15-second piston.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, fig. 1 is a cross-sectional view of an automatic pipe flushing device of the present invention; FIG. 2 is an exploded view of another embodiment of the automatic pipe flushing device of the present invention; FIG. 3 is a cross-sectional view of another automatic pipe flushing device of the present invention; FIG. 4 is a schematic view of a base structure in an embodiment of the invention; fig. 5 is a top view of a push rod in one embodiment of the present invention, and fig. 6 is a cross-sectional view of a combined automatic wash pipe device of the present invention.
In one embodiment of the present invention, as shown in fig. 1, an automatic flushing pipe device comprises a cavity cylinder 1 for containing fluid, a push rod 3 for pushing the fluid in the cavity cylinder 1 to flow out of the cavity cylinder 1, wherein the push rod 3 comprises a pushing end 31 and a stretching end 32, and the pushing end 31 is provided with a detachable piston 4; the base 5 is connected with the cavity cylinder 1, the base 5 and the cavity cylinder 1 can be in sealing connection to increase the integral sealing performance, such as adhesion, and can also be in movable connection to improve the assembly and disassembly efficiency of the integral device, such as clamping connection, and can also be in fixed connection to improve the stability of the integral device, such as riveting, not particularly limited herein, the pushing end 31 is arranged in the cavity cylinder 1, and the stretching end 32 passes through the base 5 and is arranged outside the cavity cylinder 1; an elastic power element 12, the elastic power element 12 is disposed in the cavity 1 and between the pushing end 31 and the base 5, when a pulling force is applied to the stretching end 32 to move the pushing end 31 toward the base 5, the elastic power element 12 gradually stores elastic potential energy, and when the pulling force of the stretching end 32 is released, the elastic potential energy releases and pushes the pushing end 31 away from the base 5. The front end of the cavity cylinder 1 is provided with a nozzle 2, fluid can be drawn into the cavity cylinder 1 through the stretching of the push rod 3, or can be filled into the cavity cylinder 1 by using a liquid filling machine, wherein the fluid can be paste, liquid medicine or water, and the specific components and the specific forms are not particularly limited as long as the fluid can flow; in a preferred embodiment of the present invention, a positioning groove is provided on the front end surface of the base 5, the cavity cylinder 1 is inserted into the positioning groove, and a positioning pin 6 matched with the positioning groove is arranged between the base 5 and the cavity cylinder 1, so that the cavity cylinder 1 is fixed through the matching of the positioning pin 6 and the positioning groove, and meanwhile, the disassembly and assembly of the cavity cylinder 1 are convenient, and the base 5 and the cavity cylinder 1 are in sealing connection, so that the fluid in the cavity cylinder 1 is ensured not to flow out at will, and meanwhile, the stability of the whole cavity cylinder 1 is ensured in the process of flushing, the positioning groove can be formed along the front end surface of the base 5 in a circumferential direction, or two or more symmetrical positioning grooves can be formed only on the front end surface of the base 5, which is not particularly limited, and is not repeated; when the flushing pipe is operated, firstly, the stretching end 32 of the push rod 3 is pulled backwards, so that the pushing end 31 moves towards the direction of the base 5, meanwhile, the pushing end 31 compresses the elastic power element 12 to gradually store elastic potential energy, after fluid is filled into the cavity cylinder 1, the stretching force of the stretching end 32 of the push rod 3 is released, at the moment, the elastic potential energy is released, the pushing end 31 pushes the fluid in the cavity cylinder 1 to flow out, and then, automatic flushing pipe is completed through the linkage action of the pushing rod and the elastic power element 12, so that the phenomenon that flushing pipe is not thorough due to discomfort and too slow speed of a patient caused by too high frequency or too fast speed of manually pushing the fluid by medical staff is avoided, and the elastic power element 12 can be a spring or an elastic block, so that the flushing pipe is not limited specifically, and the same technical effect can be achieved.
In another embodiment of the present invention, as shown in fig. 2 and 3, the automatic wash pipe device further comprises: a pulse guide 10 connected to the inner side of the base 5; a pulse guide groove 11 matched with the pulse guide 10, the pulse guide groove 11 being provided on the circumferential outer wall of the push rod 3; during the release of the elastic potential energy and the pushing of the pushing end 31 away from the base 5, the pulse guide moves in the pulse guide groove 11, so that the push rod 3 performs the pulse motion. The pulse guide 10 may be connected to the inner side of the base 5 in various manners, such as adhesion, such as integral molding, for example, embedding, in a preferred embodiment of the present invention, as shown in fig. 4, a slot hole matched with the pulse guide 10 is provided on the inner side of the base 5, the pulse guide 10 is fixedly embedded in the corresponding slot hole, the embedding manner is convenient for installing the pulse guide 10 on one hand, when the pipe flushing device is detached, the pulse guide 10 can be detached or replaced, and meanwhile, the pulse guide 10 is spherical, preferably spherical or elliptic spherical, so that the contact friction force between the pulse guide 10 and the pulse guide slot 11 is smaller, the movement of the pulse guide 10 is more flexible, and the effect of pulse pipe flushing is improved. The number of slots, the number of pulse guide blocks, and the number of pulse guide grooves 11 are not particularly limited, for example, a plurality of slots may be provided along the inner circumference of the base 5, and simultaneously a plurality of pulse guide members 10 may be matched, and a plurality of pulse guide grooves 11 matched with the pulse guide members 10 may be provided on the circumferential outer wall of the push rod 3.
When the flushing pipe is operated, firstly, the stretching end 32 of the push rod 3 is pulled backwards, the pushing end 31 moves towards the direction of the base 5, meanwhile, the pushing end 31 compresses the elastic power element 12 to gradually store elastic potential energy, fluid is filled into the cavity barrel 1 from the nozzle 2, then the stretching force of the stretching end 32 of the push rod 3 is released, at the moment, the elastic potential energy is released, the pushing end 31 pushes the fluid in the cavity barrel 1 to flow out, and then the automatic flushing pipe is completed through the linkage action of the pushing rod and the elastic power element 12, meanwhile, along with the continuous movement of the push rod 3, the pushing end 31 moves towards the direction away from the base 5, the pulse guide groove 11 moves along with the movement of the push rod, the pulse guide 10 moves in the pulse guide groove 11, the movement speed of the push rod 3 is slowed down due to the resistance of the pulse guide 10, and according to the specific design of the pulse guide groove 11, the pulse guide 10 is subjected to periodically changing resistance in the whole advancing process, so that the push rod 3 continuously moves with a certain pulse effect, and the fluid in the cavity barrel 1 is pushed out of the cavity barrel 1 through the nozzle 2, so that the automatic pulse flushing pipe is completed. Therefore, in the process of flushing the tube, the pulse flushing tube can be automatically completed instead of manual operation, discomfort to a patient caused by too high pulse frequency or too high pulse speed of fluid pushed by medical staff is avoided, incomplete flushing of the tube caused by too slow pulse frequency is avoided, and the elastic power element 12 in the embodiment can be a spring or an elastic block, so long as the same technical effect can be achieved, the special limitation is omitted, and the description is omitted.
In one embodiment of the present invention, as shown in fig. 5, the inner bottom surface of the pulse guide groove 11 is curved. The pulse guide groove 11 is curved, and the curve may be corrugated or broken-line, and the curvature or the broken-line angle of the corrugation or the broken line is not particularly limited in the present embodiment, so long as the pulse effect is obtained.
In a specific embodiment of the present invention, as shown in fig. 5, the radian at the inflection point of the pulse guide groove 11 is gradually increased from the stretching end 32 to the pushing end 31, so that the pulse guide 10 is subjected to different resistance effects according to different radians at different inflection points of the ripple in the pulse guide groove 11, and then the push rod 3 can also perform different-speed movements, and during the pipe flushing process, the elastic potential energy of the elastic power element 12 is gradually weakened, so that a certain dynamic influence is indirectly generated on the movement of the push rod 3 by changing the radian of the inflection point of the pulse guide groove 11, thereby further ensuring the stability of the pulse movement and further ensuring the stability of the pulse effect.
In one embodiment of the present invention, as shown in fig. 2 and 3, a stopper 9 is further included, the stopper 9 penetrates the push rod 3 in a radial direction, and when the pulling force of the pulling end 32 is released, the stopper 9 is blocked by the base 5 to lock and stop the push rod 3. The stopper 9 may be disposed at one end of the outer side of the base 5 near the stretching end 32, and is radially inserted into the push rod 3, when the pulling force of the push rod 3 is released, the length of the stopper 9 is not smaller than the width of the through hole which can accommodate the push rod 3, so that the push rod 3 can be pushed to move by the elastic potential energy of the elastic power element 12, but the stopper 9 can be blocked by the stopper 9 to stop the push rod 3 from moving due to the insufficient width of the through hole of the sealing plug, after the stopper 9 is pulled out of the push rod 3, the push rod 3 continues to perform automatic flushing or automatic pulse flushing under the action of the elastic potential energy, and in the flushing operation, the stretching end 32 of the push rod 3 is pulled backwards, so that the pushing end 31 moves towards the base 5, the elastic power element 12 is compressed, the push rod 3 is fixed by the stopper 9, a space is formed in the cavity 1 to fill the fluid from the nozzle 2, then the sealing nozzle 2 is opened for standby, the fixing force of the stopper 9 is released, and automatic flushing is started.
In one embodiment of the present invention, as shown in fig. 2, the base 5 is provided with a first radial keyhole 7, the push rod 3 is provided with a second radial keyhole 8, and the first keyhole 7 and the second keyhole 8 are internally provided with a stopper 9, and when the pulling force of the stretching end 32 is released, the stopper 9 is blocked by the base 5 to lock and stop the push rod 3. When the flushing pipe is operated, firstly, the stretching end 32 of the push rod 3 is pulled backwards, the pushing end 31 moves towards the base 5, meanwhile, the pushing end 31 compresses the elastic power element 12 to gradually store elastic potential energy, the stop piece 9 passes through the first bolt hole 7 on the base 5 and the second bolt hole 8 on the push rod 3, so that the push rod 3 and the base 5 are integrally fixed, the push rod 3 is fixed through the stop piece 9, a space is formed in the cavity barrel 1 to fill fluid from the nozzle 2, then the nozzle 2 is sealed for standby, the stop piece 9 is pulled out during use, at the moment, the elastic potential energy is released, the pushing end 31 pushes fluid in the cavity barrel 1 to flow out, and then the automatic flushing pipe is completed through the linkage action of the pushing rod and the elastic power element 12, meanwhile, the pushing end 31 moves towards the direction away from the base 5 along with the continuous movement of the push rod 3, the pulse guide groove 11 moves in the pulse guide groove 11, the pulse guide piece 10 is slowed down due to the resistance of the pulse guide groove 11, and according to the specific design of the pulse guide groove 11, the whole pulse guide piece 10 is enabled to move in the pulse guide groove 11, the pulse guide piece 3 can move in the cavity 3 in the cycle, the whole of the pulse guide piece 10 can move out of the cavity barrel 3 in the cycle, the piston rod 3 can be enabled to pass through the corresponding to the position of the first bolt hole 3, and the piston 3 can automatically move out from the piston 3, and the piston rod 3 can be automatically limited by the piston 3, and the piston rod can be automatically pushed out through the piston 3.
In another embodiment of the present invention, as shown in fig. 6, a combined type wash pipe device comprises a cavity 1 and a second cavity 14, wherein the cavity 1 and the second cavity 14 are connected through a connecting channel 13, a second piston 15 is arranged in the second cavity 14, when the wash pipe is operated, firstly, the stretching end 32 of the push rod 3 is pulled backwards to enable the pushing end 31 to move towards the direction of the base 5, meanwhile, the pushing end 31 compresses the elastic power element 12 to gradually store elastic potential energy, the stop 9 passes through the first keyhole 7 on the base 5 and the second keyhole 8 on the push rod 3, so that the push rod 3 and the base 5 are integrally fixed, the stop 9 is fixed by the stop 9, when in use, the elastic potential energy is released, the pushing end 31 pushes fluid in the cavity 1 to flow out, and then by the linkage action of the pushing rod and the elastic power element 12, the automatic flushing is completed, at the same time, as the push rod 3 moves continuously, the push end 31 moves away from the base 5, the pulse guide groove 11 moves along with it, the pulse guide 10 moves in the pulse guide groove 11, the pulse guide 10 slows down the moving speed of the push rod 3 due to the resistance of the pulse guide groove 11, and according to the specific design of the pulse guide groove 11, the pulse guide 10 receives periodically varying resistance in the whole advancing process, so that the push rod 3 moves continuously with a certain pulse effect, and pushes the fluid in the cavity 1 into the second cavity 14 through the connecting channel 13, at this time, the fluid in the cavity 1 pushes the second piston 15 in the second cavity 14 continuously forwards in a pulse manner, so that the fluid in the second cavity 14 is pushed out of the nozzle 2 in a pulse manner, so as to complete the combined pulse flushing, wherein, the fluid in the cavity cylinder 1 can be pre-stored by pulling out the positioning pin 6, after the cavity cylinder 1 is detached from the base 5, the fluid is independently filled in the cavity cylinder 1, the fluid in the second cavity cylinder 14 can be pre-stored by directly filling the fluid from the nozzle 2 and then sealing the nozzle 2, the second piston 15 is pushed by the pulse mode of the fluid in the cavity cylinder 1 to further drive the fluid in the second cavity cylinder 14 to flow out of the nozzle 2 in a pulse mode, in addition, the fluid can not be pre-stored in the cavity cylinder 1, the second piston 15 is directly pushed by the pulse mode of air to further drive the fluid in the second cavity cylinder 14 to flow out of the nozzle 2 in a pulse mode, because the fluid medium is more stable under the condition of the same acting force relative to the air medium, and therefore the fluid medium is preferred in the embodiment. It should be noted here that the number of the flushing pipes is not specifically limited by the technical solution described in this embodiment, and may be two groups or three groups, and the working principle and functions are as described above, and so on, which are not described in detail.
In summary, the automatic flushing device of the invention can complete automatic flushing, replace the traditional manual operation, and avoid the phenomenon of incomplete flushing caused by discomfort and too slow speed of patients due to too fast manual fluid pushing speed of medical staff.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. An automatic wash pipe device, comprising:
A chamber cartridge for containing a fluid;
A push rod for pushing fluid in the cavity cylinder to flow out of the cavity cylinder, wherein the push rod comprises a pushing end and a stretching end;
The base is connected with the cavity cylinder, the pushing end is arranged in the cavity cylinder, and the stretching end penetrates through the base and is arranged outside the cavity cylinder;
The elastic power element is arranged in the cavity cylinder and is positioned between the pushing end and the base, when a tensile force is applied to the stretching end so that the pushing end moves towards the base, the elastic power element gradually stores elastic potential energy, and when the tensile force of the stretching end is relieved, the elastic potential energy is released and pushes the pushing end away from the base;
Further comprises:
A pulse guide connected to the inner side of the base;
the pulse guide groove is matched with the pulse guide piece and is arranged on the circumferential outer wall of the push rod;
in the process of releasing elastic potential energy and pushing the pushing end to be far away from the base, the pulse guide piece moves in the pulse guide groove so that the push rod performs pulse motion;
The inner bottom surface of the pulse guide groove is curved;
the radian at the inflection point of the pulse guide groove is gradually increased from the stretching end to the pushing end.
2. The automatic pipe washing device as claimed in claim 1, wherein slots matched with the pulse guide members are formed on the inner side of the base, and the pulse guide members are fixedly embedded in the corresponding slots.
3. The automatic pipe flushing device of claim 1 wherein the pulse guide is spherical.
4. The automatic pipe washing apparatus as claimed in claim 1, further comprising a stopper penetrating the push rod in a radial direction, the stopper being blocked by the base to lock the push rod when the pulling force of the pulling end is released.
5. The automatic pipe flushing device as set forth in claim 4, wherein the base is provided with a first radial keyhole, the push rod is provided with a second radial keyhole, and stoppers are provided in the first keyhole and the second keyhole, and when the tension of the tension end is released, the stoppers are blocked by the base to lock the push rod.
6. The automatic pipe flushing device as set forth in claim 1, wherein a positioning groove is provided at a front end surface of the base, the cavity cylinder is inserted into the positioning groove, and a positioning pin matched with the positioning groove is provided between the base and the cavity cylinder.
7. The automatic pipe flushing device as set forth in any one of claims 1 to 6 wherein the push end is provided with a removable piston.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017108446090 | 2017-09-19 | ||
| CN201710844609.0A CN107485753A (en) | 2017-09-19 | 2017-09-19 | Mechanical pulsing formula decoction automatic feed device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108339172A CN108339172A (en) | 2018-07-31 |
| CN108339172B true CN108339172B (en) | 2024-05-03 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710844609.0A Pending CN107485753A (en) | 2017-09-19 | 2017-09-19 | Mechanical pulsing formula decoction automatic feed device |
| CN201820468799.0U Withdrawn - After Issue CN209378159U (en) | 2017-09-19 | 2018-03-30 | A kind of automatic washing pipe device |
| CN201810297903.9A Active CN108339172B (en) | 2017-09-19 | 2018-03-30 | Automatic pipe flushing device |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710844609.0A Pending CN107485753A (en) | 2017-09-19 | 2017-09-19 | Mechanical pulsing formula decoction automatic feed device |
| CN201820468799.0U Withdrawn - After Issue CN209378159U (en) | 2017-09-19 | 2018-03-30 | A kind of automatic washing pipe device |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN107485753A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107485753A (en) * | 2017-09-19 | 2017-12-19 | 锦州诺德医疗器械科技有限公司 | Mechanical pulsing formula decoction automatic feed device |
| CN108543149B (en) * | 2018-05-28 | 2024-06-04 | 赵桂芹 | Bidirectional flushing pipe device |
| CN109010991B (en) * | 2018-08-29 | 2023-05-26 | 四川大学华西医院 | Infusion apparatus, sampling method and flushing pipe method |
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| CA2425150A1 (en) * | 2000-10-13 | 2002-04-25 | Cambridge Biostability Ltd. | Disposable injection device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107485753A (en) | 2017-12-19 |
| CN209378159U (en) | 2019-09-13 |
| CN108339172A (en) | 2018-07-31 |
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