CN111870768A - Infusion speed regulating device and infusion device thereof - Google Patents

Infusion speed regulating device and infusion device thereof Download PDF

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Publication number
CN111870768A
CN111870768A CN202010934744.6A CN202010934744A CN111870768A CN 111870768 A CN111870768 A CN 111870768A CN 202010934744 A CN202010934744 A CN 202010934744A CN 111870768 A CN111870768 A CN 111870768A
Authority
CN
China
Prior art keywords
infusion
compression spring
groove
valve clack
adjusting wheel
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.)
Pending
Application number
CN202010934744.6A
Other languages
Chinese (zh)
Inventor
陶开义
徐晓玲
胡育前
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Cancer Hospital
Original Assignee
Zhejiang Cancer Hospital
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Cancer Hospital filed Critical Zhejiang Cancer Hospital
Priority to CN202010934744.6A priority Critical patent/CN111870768A/en
Publication of CN111870768A publication Critical patent/CN111870768A/en
Pending legal-status Critical Current

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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
    • A61M5/1414—Hanging-up devices
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • A61M39/28—Clamping means for squeezing flexible tubes, e.g. roller clamps
    • A61M39/285—Cam clamps, e.g. roller clamps with eccentric axis
    • 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
    • A61M5/1414—Hanging-up devices
    • A61M5/1415—Stands, brackets or the like for supporting infusion accessories
    • 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
    • A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
    • 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
    • A61M5/16804—Flow controllers
    • A61M5/16813—Flow controllers by controlling the degree of opening of the flow line
    • 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
    • A61M5/16877—Adjusting flow; Devices for setting a flow rate
    • A61M5/16881—Regulating 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
    • A61M5/36—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 with means for eliminating or preventing injection or infusion of air into body
    • 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
    • A61M5/1414—Hanging-up devices
    • A61M5/1415—Stands, brackets or the like for supporting infusion accessories
    • A61M2005/1416—Stands, brackets or the like for supporting infusion accessories placed on the body of the patient

Abstract

The invention discloses a transfusion speed regulating device, comprising: a housing; an adjustment wheel; one end of the connecting rod is connected with the middle part of the adjusting wheel, and the other end of the connecting rod is provided with a first sliding block matched with the first sliding groove; the compression spring is positioned on the opposite side of the connecting rod, one end of the compression spring is connected with the middle part of the adjusting wheel, the other end of the compression spring is provided with a connecting block, and the other side of the connecting block is provided with a pressing block; the pressing block is pressed on the side wall of the shell under the action of the compression spring, and then the position of the adjusting wheel is locked. The infusion speed regulating device is arranged on the infusion tube. The invention has the advantages that the position of the adjusting wheel can be locked, and the movement is avoided.

Description

Infusion speed regulating device and infusion device thereof
Technical Field
The invention relates to the field of medical instruments, in particular to an infusion speed regulating device and an infusion device thereof.
Background
Intravenous infusion is a method of infusing a large amount of sterile liquid, electrolyte and medicine into the body from veins by utilizing the principles of atmospheric pressure and hydrostatic pressure. Intravenous infusion of large quantities of fluid, electrolytes or blood is known as intravenous infusion. The injection site and the transfusion are different, and the injection can be classified into peripheral venous transfusion, central venous transfusion, high nutrient Transfusion (TPN), blood transfusion and the like.
The prior transfusion device has the following defects; firstly, in the process of infusion, the regulating wheel is easy to displace, so that the dripping speed is changed, and the patient is uncomfortable; secondly, the infusion bag needs to be hung on the bracket all the time, so that the patient is inconvenient to move; in addition, in the absence of a non-return means, backflow can occur.
Disclosure of Invention
The invention aims to provide an infusion speed regulating device, which can lock the position of an adjusting wheel and avoid movement.
It is a further object of the present invention to provide an infusion set that locks the position of the adjustment wheel from shifting.
In order to achieve the purpose, the invention adopts the following technical scheme that:
the shell is provided with an axial through groove, an inclined bevel edge is arranged at the upper part of the shell, an inclined sliding groove is arranged on the side wall of one side of the shell, the sliding groove is arranged in parallel with the bevel edge, and the distance from the initial end of the sliding groove to the bottom wall of the through groove is greater than the distance from the final end of the sliding groove to the bottom wall of the through groove;
the adjusting wheel is embedded in the through groove, at least part of the adjusting wheel extends out of the through groove, and an accommodating space for the liquid conveying pipe to pass through is formed between the lower part of the adjusting wheel and the bottom wall of the through groove; and
one end of the connecting rod is connected with the middle part of the adjusting wheel, and the other end of the connecting rod is provided with a first sliding block matched with the first sliding groove;
the compression spring is positioned on the opposite side of the connecting rod, one end of the compression spring is connected with the middle part of the adjusting wheel, the other end of the compression spring is provided with a connecting block, and the other side of the connecting block is provided with a pressing block;
the pressing block is pressed on the side wall of the shell under the action of the compression spring, and then the position of the adjusting wheel is locked.
Preferably, the method further comprises the following steps:
and the push rod is vertically arranged on the connecting block, and the upper end of the push rod extends out of the through groove and is used for driving the connecting block to move so as to adjust the compression state of the compression spring.
Preferably, the method further comprises the following steps:
and the limiting grooves are arranged on the side wall opposite to the sliding groove, distributed along the sliding groove and used for being matched with the pressing block to fix the pressing block.
An infusion device comprises an infusion bag and an infusion tube, wherein the infusion speed adjusting device is arranged on the infusion tube.
Preferably, the method further comprises the following steps:
the braces are detachably arranged on the infusion bag and are used for fixing the infusion bag on the back of the human body.
Preferably, the upper part of the infusion tube is provided with a connector, and the connector is detachably connected with the infusion bag; an air filtering device for filtering air is arranged in the middle of the infusion tube, and a needle head is arranged at the lower end of the infusion tube.
Preferably, the method further comprises the following steps:
the fixing device is arranged at the upper part of the infusion tube and is used for fixing the infusion tube on a wall body;
wherein the fixing device comprises;
one end of the telescopic rod is connected with the infusion tube and is used for adjusting the distance between the infusion tube and the wall body;
and the sucker is arranged at the other end of the telescopic rod and is used for being adsorbed on a wall body.
Preferably, the method further comprises the following steps:
the air inlet valve is arranged on the sucker and used for balancing the pressure inside and outside the sucker;
wherein the intake valve comprises;
the air inlet is arranged on the sucker;
the first limiting shaft shoulder is arranged in the middle of the air inlet hole;
the front end of the piston is abutted against the first limiting shaft shoulder and is used for opening or closing the air inlet hole;
a piston rod extending out of the air inlet hole;
the second limiting shaft shoulder is arranged at the outer port of the air inlet hole;
the compression spring is sleeved on the piston rod, and two ends of the compression spring are respectively abutted against the first limiting shaft shoulder and the second limiting shaft shoulder;
the middle of the handle is hinged to one side of the air inlet hole, and the front end of the handle is connected with the tail end of the piston rod.
Preferably, the method further comprises the following steps:
the check valve is arranged in the needle head and is used for controlling the unidirectional flow of liquid in the needle head;
wherein the check valve comprises;
the mounting seat is arranged on the inner wall of the needle head;
the first valve clack and the second valve clack are arranged in the needle head, the front parts of the first valve clack and the second valve clack are in a half arc shape, and the first valve clack and the second valve clack are buckled with each other and are used for opening or closing a circulation channel in the needle head;
and the rotating shaft is respectively arranged at the tail ends of the first valve clack and the second valve clack and is used for respectively fixing the first valve clack and the second valve clack on the mounting seat, and a torsion spring is arranged on the rotating shaft.
Preferably, the method further comprises the following steps:
the buffer balls are uniformly distributed on the inner wall of the needle head and used for slowing down the flow rate of the liquid medicine.
The invention has the beneficial effects that: 1. the pressing block is pressed against the side wall of the shell under the action of the compression spring, so that the position of the adjusting wheel is locked and the movement is prevented; 2. the detachable braces are arranged and can be fixed on the back of the human body; 3. the fixing device is arranged, so that the infusion tube can be fixed on the wall body; 4. a check valve is arranged in the needle head, so that blood return can be prevented.
Drawings
FIG. 1 is a perspective view of an infusion speed control device of the invention.
Fig. 2 is a top view of an infusion speed regulating device of the invention.
Fig. 3 is a sectional view a-a of fig. 2.
Fig. 4 is a schematic view of an infusion device of the invention.
Fig. 5 is a schematic view of a fixture according to the present invention.
Fig. 6 is a schematic view of a needle of the present invention.
Fig. 7 is a schematic view of a check valve according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings so that those skilled in the art can practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 to 7, in one implementation form of the present invention, to achieve the above object, the present invention adopts the following technical solution, and an infusion speed adjusting device includes:
the shell 110 is provided with an axial through groove 111, the upper part of the shell 110 is provided with an inclined bevel edge, the side wall of one side of the shell 110 is provided with an inclined sliding groove 112, the sliding groove 112 is arranged in parallel with the bevel edge, and the distance from the initial end of the sliding groove 112 to the bottom wall of the through groove 111 is greater than the distance from the final end of the sliding groove to the bottom wall of the through groove 111; preferably, the housing 110 is made of a polypropylene material. The adjusting wheel 113 is embedded in the through groove 111 and at least partially extends out of the through groove 111, and an accommodating space for the liquid conveying pipe 130 to pass through is formed between the lower part of the adjusting wheel 113 and the bottom wall of the through groove 111; one end of the connecting rod 114 is connected with the middle part of the adjusting wheel 130, and the other end is provided with a first sliding block 114a matched with the first sliding groove 112; the compression spring 115 is positioned at the opposite side of the connecting rod 114, one end of the compression spring is connected with the middle part of the adjusting wheel, the other end of the compression spring is provided with a connecting block 116, and the other side of the connecting block 116 is provided with a pressing block 117; the pressing block 117 is pressed against the side wall of the housing 110 under the action of the compression spring 115, so as to lock the position of the adjusting wheel 113. Preferably, a push rod 116a is provided on the connecting block 116, and an upper end of the push rod 116a protrudes out of the through groove 111. As a further preference, a plurality of limiting grooves 118 are provided on the side wall opposite to the sliding groove 112, and the plurality of limiting grooves 118 are distributed along the sliding groove 112. More preferably, a resistance block for supporting the infusion tube is provided on the bottom wall of the through-groove 111. The thickness of the resistance block is gradually reduced from the starting end to the tail end.
In the using process, when the position of the adjusting wheel 130 needs to be adjusted, the push rod 116a is pushed to further compress the compression spring 115, after the compression spring 115 is compressed, the pressing block 117 is separated from the side wall of the shell 110, at this time, the adjusting wheel 130 can move freely along the sliding groove 112, when the adjusting wheel is adjusted to a proper position, the push rod 116a is released, the pressing block 117 is pressed against the side wall of the shell 110 under the action of the compression spring 115, and the adjusting wheel 130 is locked through friction force.
In another embodiment, the method further comprises: a push rod 116 a. The push rod 116a is vertically arranged on the connecting block 116, and the upper end of the push rod extends out of the through groove 111 to drive the connecting block 116 to move, so that the compression state of the compression spring 115 is adjusted.
In another embodiment, the method further comprises: a plurality of retaining grooves 118. A plurality of limiting grooves 118 are disposed on the side wall opposite to the sliding groove 112, and are distributed along the sliding groove 112, and are used for matching with the pressing block 117 to fix the pressing block 117.
An infusion device 1 includes an infusion bag 120 and an infusion tube 130, and the infusion speed adjusting device 110 described above is provided on the infusion tube. Preferably, a liquid outlet 121 is provided at the lower end of the infusion bag 120, a connector 131 is provided at the upper end of the infusion tube 130, and the liquid outlet 121 is detachably connected to the connector 131. Preferably, the liquid outlet 121 is connected to the joint 131 by a screw.
In another embodiment, the method further comprises: the back belt 122 is detachably disposed on the infusion bag 120 and is used for fixing the infusion bag 120 on the back of the human body. Preferably, buttons matched with the infusion bag 120 are arranged at two ends of the back belt 122. More preferably, a detachable hook 123 is provided at the upper end of the infusion bag 120.
In another embodiment, a connector 131 is arranged at the upper part of the infusion tube 130, and the connector is detachably connected with the infusion bag 120; an air filter 132 for filtering air is provided in the middle of the infusion tube 130, and a needle 140 is provided at the lower end of the infusion tube. Preferably, a drug feeding port 150 is provided at an upper portion of the infusion tube 130. Preferably, a handle block 141 is provided at the rear of the needle 140 to facilitate holding, and a liquid outlet 143 is provided at the tip of the needle.
In another embodiment, the method further comprises: a fixing device 160 provided at an upper portion of the infusion tube 130 for fixing the infusion tube 130 to a wall; wherein the fixing device comprises; one end of the telescopic rod is connected with the infusion tube 130 and is used for adjusting the distance between the infusion tube 130 and the wall body; and the suction cup 166 is arranged at the other end of the telescopic rod and is used for being adsorbed on a wall body. Preferably, the telescopic rod comprises: the tail end of the first telescopic rod 161 is connected with the infusion tube, a first spring pin 162 and a second telescopic rod 163 are arranged at the front part of the first telescopic rod 161, the first spring pin 162 is sleeved outside the first telescopic rod 161, a plurality of first limiting holes 163a are formed in the second telescopic rod 163, the first spring pin 162 can be selectively matched with the first limiting holes 163a, a second spring pin 164 is arranged at the front end of the second telescopic rod 163, a third telescopic rod 165 is sleeved outside the second telescopic rod 163, a plurality of second limiting holes 165a are formed in the third telescopic rod 165, and the second spring pin 164 can be selectively matched with the second limiting holes 165 a. A suction cup 166 is provided at the front end of the third extension rod 165.
In another embodiment, the method further comprises: an air inlet valve is provided on the suction cup 166 for balancing the pressure inside and outside the suction cup. The intake valve includes; an air intake hole 171 is provided on the suction cup 166; a first limit shoulder 172 is disposed in the middle of the intake hole 171; the front end of the piston 173 is abutted against the first limiting shaft shoulder 172 for opening or closing the air inlet hole 171; the upper end of the piston rod 174 extends out of the air inlet hole 171; a second stopper shoulder 175 is provided at an outer port of the air intake hole 171; the compression spring 176 is sleeved on the piston rod 174, and two ends of the compression spring are respectively abutted against the first limit shaft shoulder 172 and the second limit shaft shoulder 175; the middle portion of the handle 177 is hinged to one side of the air intake hole 171, and the front end thereof is connected to the end of the piston rod 174. When the sucker 166 needs to be taken down from a wall body, the handle 177 is pressed down, the piston rod 174 drives the piston 173 to move up, the air inlet hole 171 is opened, air enters the sucker 166, air pressure is balanced, the sucker 166 can be taken down, the handle 177 is loosened after the sucker is taken down, the piston rod 174 is reset under the action of the compression spring 176, the front end of the piston 173 is abutted to the first limiting shaft shoulder 172, and the air inlet hole 171 is closed.
In another embodiment, the method further comprises: a check valve 180 is disposed in the needle 140 for controlling unidirectional flow of fluid therein; wherein the check valve 180 comprises; the mounting seat 181 is disposed on the inner wall of the needle 140; the first valve clack 182 and the second valve clack 183 are arranged in the needle 140, the front parts of the first valve clack 182 and the second valve clack 183 are in a half arc shape and are buckled with each other to open or close a circulation channel in the needle; the rotating shafts 184 are respectively arranged at the tail ends of the first valve clack 182 and the second valve clack 183 and are used for respectively fixing the first valve clack 182 and the second valve clack 183 on the mounting seat 181; a torsion spring is arranged on the rotating shaft 184.
In another embodiment, the method further comprises: buffer balls 142 uniformly distributed on the inner wall of the needle 140 for slowing down the flow rate of the liquid medicine.
In summary, according to the infusion speed regulating device and the infusion device thereof, the pressing block 117 is pressed against the side wall of the housing 110 under the action of the compression spring 115, so as to lock the position of the adjusting wheel 113 and prevent the movement; a detachable back belt 122 which can be fixed on the back of the human body; the fixing device 160 is arranged, so that the infusion tube can be fixed on the wall body; a check valve 180 is arranged in the needle head, so that blood return can be prevented.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims (10)

1. An infusion speed adjusting device, comprising:
the shell is provided with an axial through groove, an inclined bevel edge is arranged at the upper part of the shell, an inclined sliding groove is arranged on the side wall of one side of the shell, the sliding groove is arranged in parallel with the bevel edge, and the distance from the initial end of the sliding groove to the bottom wall of the through groove is greater than the distance from the final end of the sliding groove to the bottom wall of the through groove;
the adjusting wheel is embedded in the through groove, at least part of the adjusting wheel extends out of the through groove, and an accommodating space for the liquid conveying pipe to pass through is formed between the lower part of the adjusting wheel and the bottom wall of the through groove; and
one end of the connecting rod is connected with the middle part of the adjusting wheel, and the other end of the connecting rod is provided with a first sliding block matched with the first sliding groove;
the compression spring is positioned on the opposite side of the connecting rod, one end of the compression spring is connected with the middle part of the adjusting wheel, the other end of the compression spring is provided with a connecting block, and the other side of the connecting block is provided with a pressing block;
the pressing block is pressed on the side wall of the shell under the action of the compression spring, and then the position of the adjusting wheel is locked.
2. The infusion speed regulation device of claim 1, further comprising:
and the push rod is vertically arranged on the connecting block, and the upper end of the push rod extends out of the through groove and is used for driving the connecting block to move so as to adjust the compression state of the compression spring.
3. The infusion speed adjusting device according to claim 2, further comprising:
and the limiting grooves are arranged on the side wall opposite to the sliding groove, distributed along the sliding groove and used for being matched with the pressing block to fix the pressing block.
4. The utility model provides an infusion set, its includes infusion bag and transfer line, its characterized in that: an infusion speed adjusting device according to any one of claims 1 to 3 provided on the infusion tube.
5. The infusion device as claimed in claim 4, further comprising:
the braces are detachably arranged on the infusion bag and are used for fixing the infusion bag on the back of the human body.
6. The infusion device of claim 5, wherein: the upper part of the infusion tube is provided with a connector which is detachably connected with the infusion bag; an air filtering device for filtering air is arranged in the middle of the infusion tube, and a needle head is arranged at the lower end of the infusion tube.
7. The infusion device as claimed in claim 6, further comprising:
the fixing device is arranged at the upper part of the infusion tube and is used for fixing the infusion tube on a wall body;
wherein the fixing device comprises;
one end of the telescopic rod is connected with the infusion tube and is used for adjusting the distance between the infusion tube and the wall body;
and the sucker is arranged at the other end of the telescopic rod and is used for being adsorbed on a wall body.
8. The infusion device as claimed in claim 7, further comprising:
the air inlet valve is arranged on the sucker and used for balancing the pressure inside and outside the sucker;
wherein the intake valve comprises;
the air inlet is arranged on the sucker;
the first limiting shaft shoulder is arranged in the middle of the air inlet hole;
the front end of the piston is abutted against the first limiting shaft shoulder and is used for opening or closing the air inlet hole;
a piston rod extending out of the air inlet hole;
the second limiting shaft shoulder is arranged at the outer port of the air inlet hole;
the compression spring is sleeved on the piston rod, and two ends of the compression spring are respectively abutted against the first limiting shaft shoulder and the second limiting shaft shoulder;
the middle of the handle is hinged to one side of the air inlet hole, and the front end of the handle is connected with the tail end of the piston rod.
9. The infusion device as claimed in claim 5, further comprising:
the check valve is arranged in the needle head and is used for controlling the unidirectional flow of liquid in the needle head;
wherein the check valve comprises;
the mounting seat is arranged on the inner wall of the needle head;
the first valve clack and the second valve clack are arranged in the needle head, the front parts of the first valve clack and the second valve clack are in a half arc shape, and the first valve clack and the second valve clack are buckled with each other and are used for opening or closing a circulation channel in the needle head;
and the rotating shaft is respectively arranged at the tail ends of the first valve clack and the second valve clack and is used for respectively fixing the first valve clack and the second valve clack on the mounting seat, and a torsion spring is arranged on the rotating shaft.
10. The infusion device as claimed in claim 9, further comprising:
the buffer balls are uniformly distributed on the inner wall of the needle head and used for slowing down the flow rate of the liquid medicine.
CN202010934744.6A 2020-09-08 2020-09-08 Infusion speed regulating device and infusion device thereof Pending CN111870768A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010934744.6A CN111870768A (en) 2020-09-08 2020-09-08 Infusion speed regulating device and infusion device thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010934744.6A CN111870768A (en) 2020-09-08 2020-09-08 Infusion speed regulating device and infusion device thereof

Publications (1)

Publication Number Publication Date
CN111870768A true CN111870768A (en) 2020-11-03

Family

ID=73199262

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010934744.6A Pending CN111870768A (en) 2020-09-08 2020-09-08 Infusion speed regulating device and infusion device thereof

Country Status (1)

Country Link
CN (1) CN111870768A (en)

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