CN114404727A - Portable single-channel injection pump and using method thereof - Google Patents
Portable single-channel injection pump and using method thereof Download PDFInfo
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- CN114404727A CN114404727A CN202111639541.5A CN202111639541A CN114404727A CN 114404727 A CN114404727 A CN 114404727A CN 202111639541 A CN202111639541 A CN 202111639541A CN 114404727 A CN114404727 A CN 114404727A
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- 238000002347 injection Methods 0.000 title claims abstract description 145
- 239000007924 injection Substances 0.000 title claims abstract description 145
- 238000000034 method Methods 0.000 title claims description 6
- 239000003814 drug Substances 0.000 claims description 41
- 239000007788 liquid Substances 0.000 claims description 40
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- 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
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- 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 a portable single-channel injection pump, which comprises a base and a supporting plate arranged at the central position of the base, wherein a first screw rod and a second screw rod which are movable are arranged between the base and the supporting plate, a first motor and a second motor are arranged on the base, a rotor of the first motor is connected with the first screw rod, a rotor of the second motor is connected with the second screw rod, a pair of sliding rods are arranged on the base, a first sliding plate and a second sliding plate are sleeved on the sliding rods, the bottom end of the first sliding plate is sleeved on the first screw rod and is in threaded connection with the first screw rod, the bottom end of the second sliding plate is sleeved on the second screw rod and is in threaded connection with the second screw rod, a clamping groove is formed in the end wall of the base, an injection tube is clamped in the clamping groove, and a pair of injection channels is formed in the injection tube. Compared with the prior art, the invention has the advantages that: the operation is convenient, the injection flow rate and the injection angle can be changed, and the applicability is strong.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a portable single-channel injection pump and a using method thereof.
Background
In the course of medical treatment, there are always some cases in which a certain drug concentration is required to be maintained in the body of a patient for the purpose of treatment. The traditional injection device is operated by a nurse, which has great uncertainty, the root is dependent on the experience level of the nurse, and in addition, under the conditions of injection and uniform injection, due to the limitation of a human body, the breathing and heartbeat of the human body can lead the human body to be in micro motion, and the injection is difficult, and the injection is long in time consumption and strict in requirement, so that the original heavy work of the nurse is difficult and the nurse consumes a great deal of heart force. In the prior art, most of the injection pumps are used for injecting, but the existing injection pumps cannot control the outlet flow rate of the injection liquid medicine according to the requirement of a patient under the condition of keeping the injection speed inconvenient, and the applicability is poor.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the technical defects and providing a portable single-channel injection pump which is convenient to operate, can change the injection flow rate and the injection angle and has strong applicability.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a portable single-channel injection pump comprises a base and a support plate arranged at the central position of the base, wherein a first screw and a second screw are movably arranged between the base and the support plate, a first motor and a second motor are arranged on the base, a rotor of the first motor is connected with the first screw, a rotor of the second motor is connected with the second screw, a pair of slide bars are arranged on the base, a first slide plate and a second slide plate are sleeved on the slide bars, the bottom end of the first slide plate is sleeved on the first screw and is in threaded connection with the first screw, the bottom end of the second slide plate is sleeved on the second screw and is in threaded connection with the second screw, a clamping groove is formed in the end wall of the base, an injection tube is clamped in the clamping groove, a pair of injection channels is formed in the injection tube, a first piston core rod is arranged in one injection channel, a second piston core rod is arranged in the other injection channel, a first clamping groove for clamping the end part of the first piston core rod is formed in the first slide plate, the injection tube locking device is characterized in that a slide way is formed in one side, close to the first clamping groove, of the first sliding plate, a second clamping groove opposite to the slide way is formed in the second sliding plate, the end portion of the second piston core rod penetrates through the slide way and is clamped in the second clamping groove, a locking piece used for locking an injection tube is arranged on the base, and a portable handle is arranged on the side wall of the base.
Specifically, the retaining member comprises an arc-shaped locking sheet, and locking bolts in threaded connection with the base are arranged at two ends of the arc-shaped locking sheet.
Specifically, the first motor and the second motor are both bidirectional stepping motors.
Specifically, sleeves sleeved on the sliding rods are fixed on the first sliding plate and the second sliding plate respectively.
Specifically, the injection tube includes barrel and injection head, be connected with the telescopic hose between barrel and the injection head, the one end of injection head articulates on the barrel, set up the recess on the barrel, be equipped with the plug of pegging graft with the recess on the injection head, set up the cylindricality hole of intercommunication recess on the barrel, the cylindricality slide has been seted up at the middle part in cylindricality hole, be equipped with rather than sliding connection's bolt in the cylindricality hole, be located the peripheral fixedly connected with of bolt in the cylindricality slide keeps off the ring, it establishes the spring on the bolt to keep off to be equipped with the cover between ring and the cylindricality slide lateral wall, the one end of bolt extends to in the recess, and the other end extends to the barrel outside and is equipped with the pull head.
The invention more particularly discloses a use method of a portable single-channel injection pump, which comprises the following steps:
placing an injection head in the liquid medicine, pulling a first piston core rod to extract the liquid medicine to enable an injection channel where the first piston core rod is located to be filled with the liquid medicine, and pulling a second piston core rod to extract the liquid medicine to enable an injection channel where the second piston core rod is located to be filled with the liquid medicine;
placing the injection tube in the clamping groove, clamping the end part of the first piston core rod in the first clamping groove, penetrating the end part of the second piston core rod through the slide way and clamping the end part of the second piston core rod in the second clamping groove, covering the arc-shaped locking sheet on the injection tube, and locking the injection tube by rotating the locking bolt;
the first motor is started to drive the first lead screw to rotate, the rotating first lead screw drives the first sliding plate to move on the sliding rod, the moving first sliding plate pushes the first piston core rod, the first piston core rod injects the liquid medicine in the injection channel into the human body, after the first piston core rod is injected, the second motor is started to drive the second lead screw to rotate, the rotating second lead screw drives the second sliding plate to move on the sliding rod, the moving second sliding plate pushes the second piston core rod, and the second piston core rod injects the liquid medicine in the injection channel into the human body, so that small-pressure small-flow-rate gradual injection is realized;
when the liquid medicine needs to be injected under high pressure and high flow rate, the first motor and the second motor are started simultaneously, the first sliding plate and the second sliding plate move synchronously to push the first piston core rod and the second piston core rod to move synchronously, and the liquid medicine in the two injection channels is injected into the human body synchronously, so that the liquid medicine is injected under high pressure and high speed;
when the injection angle needs to be changed due to position limitation, the plug pin is pulled to move outwards through the pull head, then the injection head is rotated, so that the plug on the injection head is pulled out of the groove, and the telescopic hose is stretched through rotating the injection head, so that the injection head is matched with the injection angle;
and repeating the steps according to the requirement of the injection speed after the angle of the injection head is adjusted properly.
After adopting the structure, the invention has the following advantages:
1. the first motor is electrified to drive the first screw rod to rotate, the first screw rod drives the first sliding plate to gradually move on the sliding rod, the moving first sliding plate pushes the first piston core rod to gradually push the liquid medicine in the injection channel into the human body, when the liquid medicine in the injection channel is pushed into the human body, the second motor is electrified to drive the second screw rod to rotate, the second screw rod drives the second sliding plate to gradually move on the sliding rod, the moving second sliding plate pushes the second piston core rod to gradually push the liquid medicine in the injection channel into the human body, the first piston core rod and the second piston core rod can be simultaneously controlled to synchronously move according to the injection requirement, and the flow rate of the liquid medicine outlet can be effectively adjusted under the condition of unchanged injection speed through the matching of the first piston core rod and the second piston core rod.
2. According to the invention, the reversible injection head is arranged on the barrel body of the injection tube, so that the injection can be performed on a human body at different angles, the limitation of human body angle factors is avoided, and the applicability is improved.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a top view of fig. 1 of the present invention.
FIG. 3 is a schematic view of the structure of the syringe of the present invention.
FIG. 4 is a perspective view of a syringe barrel of the present invention.
FIG. 5 is a front view of the syringe of the present invention.
FIG. 6 is an enlarged view of portion A of FIG. 5 in accordance with the present invention.
As shown in the figure: 1. the injection device comprises a base, 2, a support plate, 3, a first lead screw, 4, a second lead screw, 5, a first motor, 6, a second motor, 7, a sliding rod, 8, a first sliding plate, 9, a second sliding plate, 10, a clamping groove, 11, an injection tube, 1101, a cylinder body, 1102, an injection head, 12, an injection channel, 13, a first piston core rod, 14, a second piston core rod, 15, a first clamping groove, 16, a sliding way, 17, a second clamping groove, 18, a locking piece, 1801, an arc-shaped locking piece, 1802, a locking bolt, 19, a portable handle, 20, a sleeve, 21, a hose, 22, a groove, 23, a plug, 24, a cylindrical hole, a pull head 25, a cylindrical sliding way, 26, a plug pin, 27, a retaining ring, 28, a spring, 29 and a pull head.
Detailed Description
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "top", "both sides", "both ends", and the like herein indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "disposed," "connected," and the like are used in a generic sense, such as "connected," which may be fixedly connected, detachably connected, integrally connected, mechanically connected, or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in further detail with reference to the accompanying drawings.
Embodiment 1, referring to fig. 1-3, the invention provides a portable single-channel injection pump, which includes a base 1 and a supporting plate 2 disposed at a central position of the base 1, a first screw 3 and a second screw 4 are movably disposed between the base 1 and the supporting plate 2, the base 1 is provided with a first motor 5 and a second motor 6, a rotor of the first motor 5 is connected with the first screw 3, a rotor of the second motor 6 is connected with the second screw 4, the base 1 is provided with a pair of sliding rods 7, the sliding rods 7 are sleeved with a first sliding plate 8 and a second sliding plate 9, a bottom end of the first sliding plate 8 is sleeved on the first screw 3 and is in threaded connection therewith, a bottom end of the second sliding plate 9 is sleeved on the second screw 4 and is in threaded connection therewith, an end wall of the base 1 is provided with a clamping groove 10, an injection tube 11 is clamped in the clamping groove 10, and a pair of injection channels 12 is disposed in the injection tube 11, a first piston core rod 13 is arranged in one injection channel, a second piston core rod 14 is arranged in the other injection channel, a first clamping groove 15 used for clamping the end portion of the first piston core rod 13 is formed in the first sliding plate 8, a slide way 16 is formed in one side, close to the first clamping groove 15, of the first sliding plate 8, a second clamping groove 17 opposite to the slide way 16 is formed in the second sliding plate 9, the end portion of the second piston core rod 14 penetrates through the slide way 16 and is clamped in the second clamping groove 17, a locking piece 18 used for locking the injection cylinder 11 is arranged on the base 1, and a portable handle 19 is arranged on the side wall of the base 1.
Further, retaining member 18 includes arc-shaped locking piece 1801, and the both ends of arc-shaped locking piece 1801 are equipped with the locking bolt 1802 with base 1 threaded connection.
Further, the first motor 5 and the second motor 6 are both bidirectional stepping motors.
Furthermore, sleeves 20 sleeved on the sliding rods 7 are fixed on the first sliding plate 8 and the second sliding plate 9, and the stability of the first sliding plate and the second sliding plate moving on the sliding rods can be improved by arranging the sleeves 20.
When the injection channel is used, under the condition that the pushing speed of the first piston core rod and the pushing speed of the second piston core rod are inconvenient, when the small flow rate of an injection outlet is needed, the first motor is controlled to be electrified to drive the first lead screw to rotate, the first lead screw rotates to drive the first sliding plate to move gradually on the sliding rod, the moving first sliding plate pushes the first piston core rod to gradually push the liquid medicine in the injection channel into a human body, after the liquid medicine in the injection channel is pushed into the human body, the second motor is electrified to drive the second lead screw to rotate, the second lead screw drives the second sliding plate to move gradually on the sliding rod, and the moving second sliding plate pushes the second piston core rod to gradually push the liquid medicine in the injection channel into the human body, so that the small flow rate injection at the injection outlet is realized; when the injection of the injection outlet at a high flow rate is needed, the first motor and the second motor are simultaneously started, the first piston core rod and the second piston core rod are controlled to synchronously move to push the liquid medicine to be injected, the injection of the injection outlet at the high flow rate is controlled by increasing the pushing pressure, the injection flow rate of the injection outlet can be effectively controlled by controlling the sequence of the first piston core rod and the second piston core rod, and the applicability during injection is stronger.
Embodiment 2, referring to fig. 4 to 6, the present invention provides a portable single-channel syringe pump, which is different from embodiment 1 in that:
further, the injection cylinder 11 includes a cylinder 1101 and an injection head 1102, a telescopic hose 21 is connected between the cylinder 1101 and the injection head 1102, one end of the injection head 1102 is hinged to the cylinder 1101, a groove 22 is formed in the cylinder 1101, a plug 23 inserted into the groove 22 is arranged on the injection head 1102, a cylindrical hole 24 communicating with the groove 22 is formed in the cylinder 1101, a cylindrical slide 25 is formed in the middle of the cylindrical hole 24, a plug pin 26 slidably connected to the cylindrical hole 24 is arranged in the cylindrical hole 24, a retaining ring 27 is fixedly connected to the periphery of the plug pin 26 in the cylindrical slide 25, a spring 28 sleeved on the plug pin 26 is arranged between the retaining ring 27 and the side wall of the cylindrical slide 25, one end of the plug pin 26 extends into the groove 22, and the other end extends to the outside of the cylinder 1101 and is provided with a slider 29.
During the use, when needs alternate injection tube angle and inject the human body, pull the bolt through the pull head and move outward, then rotate the rotatory angle that needs the injection of injection head and inject the human body, convey the liquid medicine through the scalable hose that sets up between injection head and barrel, compare injection angle more nimble with embodiment 1, improved the suitability of injection angle.
The invention further discloses a using method of the portable single-channel injection pump, which comprises the following steps:
placing the injection head 1102 in the liquid medicine, pulling the first piston core rod 13 to extract the liquid medicine to fill the injection channel where the first piston core rod is located with the liquid medicine, and pulling the second piston core rod 14 to extract the liquid medicine to fill the injection channel where the second piston core rod is located with the liquid medicine;
placing the injection tube 11 in the clamping groove 10, then clamping the end part of the first piston core rod 13 in the first clamping groove 15, penetrating the end part of the second piston core rod 14 through the slide way 16 and clamping in the second clamping groove 17, then covering the arc-shaped locking sheet 1801 on the injection tube 11, and locking the injection tube 11 by rotating the locking bolt 1802;
the first motor 5 is started to drive the first lead screw 3 to rotate, the rotating first lead screw 3 drives the first sliding plate 8 to move on the sliding rod 7, the moving first sliding plate 8 pushes the first piston core rod 13, the first piston core rod 13 injects the liquid medicine in the injection channel into the human body, after the first piston core rod 13 is injected, the second motor 6 is started to drive the second lead screw 4 to rotate, the rotating second lead screw 4 drives the second sliding plate 9 to move on the sliding rod 7, the moving second sliding plate 9 pushes the second piston core rod 14, and the second piston core rod 14 injects the liquid medicine in the injection channel into the human body, so that the small-pressure small-flow-rate gradual injection is realized;
when the liquid medicine needs to be injected under high pressure and high flow rate, the first motor 5 and the second motor 6 are started simultaneously, the first sliding plate 8 and the second sliding plate 9 move synchronously to push the first piston core rod 13 and the second piston core rod 14 to move synchronously, and the liquid medicine in the two injection channels is injected into the human body synchronously, so that the liquid medicine is injected under high pressure and high speed;
when the injection angle needs to be changed due to position limitation, the plug 26 is pulled to move outwards through the pull head 29, then the injection head 1102 is rotated, the plug 23 on the injection head 1102 is pulled out of the groove 22, the telescopic hose 21 is stretched through rotating the injection head 1102, and the injection head 1102 is matched with the injection angle;
and repeating the steps according to the requirement of the injection speed after the angle of the injection head is adjusted properly.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a portable single channel syringe pump, includes base (1) and sets up backup pad (2) of putting at base (1) central point, be equipped with first lead screw (3) and second lead screw (4) of activity between base (1) and backup pad (2), be equipped with first motor (5) and second motor (6) on base (1), the rotor and the first lead screw (3) of first motor (5) are connected, and the rotor and the second lead screw (4) of second motor (6) are connected, its characterized in that: the base (1) is provided with a pair of sliding rods (7), the sliding rods (7) are sleeved with a first sliding plate (8) and a second sliding plate (9), the bottom end of the first sliding plate (8) is sleeved on the first lead screw (3) and is in threaded connection with the first lead screw, the bottom end of the second sliding plate (9) is sleeved on the second lead screw (4) and is in threaded connection with the second lead screw, the end wall of the base (1) is provided with a clamping groove (10), an injection tube (11) is clamped in the clamping groove (10), a pair of injection channels (12) are formed in the injection tube (11), a first piston core rod (13) is arranged in one injection channel, a second piston core rod (14) is arranged in the other injection channel, a first clamping groove (15) used for clamping the end part of the first piston core rod (13) is formed in the first sliding plate (8), and a slide way (16) is formed in one side, close to the first clamping groove (15), of the first sliding plate (8), a second clamping groove (17) opposite to the slide way (16) is formed in the second sliding plate (9), the end part of the second piston core rod (14) penetrates through the slide way (16) and is clamped in the second clamping groove (17), a locking piece (18) used for locking the injection cylinder (11) is arranged on the base (1), and a handle (19) is arranged on the side wall of the base (1).
2. The portable single channel syringe pump of claim 1, wherein: retaining member (18) are including arc stay (1801), the both ends of arc stay (1801) are equipped with locking bolt (1802) with base (1) threaded connection.
3. The portable single channel syringe pump of claim 1, wherein: the first motor (5) and the second motor (6) are both bidirectional stepping motors.
4. The portable single channel syringe pump of claim 1, wherein: and sleeves (20) sleeved on the sliding rods (7) are fixed on the first sliding plate (8) and the second sliding plate (9).
5. The portable single channel syringe pump of claim 1, wherein: the injection cylinder (11) comprises a cylinder body (1101) and an injection head (1102), a telescopic hose (21) is connected between the cylinder body (1101) and the injection head (1102), one end of the injection head (1102) is hinged to the cylinder body (1101), a groove (22) is formed in the cylinder body (1101), a plug (23) inserted into the groove (22) is arranged on the injection head (1102), a cylindrical hole (24) communicated with the groove (22) is formed in the cylinder body (1101), a cylindrical slideway (25) is formed in the middle of the cylindrical hole (24), a bolt (26) in sliding connection with the bolt is arranged in the cylindrical hole (24), a retaining ring (27) is fixedly connected to the periphery of the bolt (26) positioned in the cylindrical slideway (25), a spring (28) sleeved on the bolt (26) is arranged between the retaining ring (27) and the side wall of the cylindrical slideway (25), one end of the bolt (26) extends into the groove (22), the other end extends to the outside of the cylinder body (1101) and is provided with a pull head (29).
6. Use of a portable single channel syringe pump according to any of claims 1-5, characterized in that it comprises the following steps:
placing an injection head (1102) in the liquid medicine, pulling a first piston core rod (13) to extract the liquid medicine to enable an injection channel where the first piston core rod is located to be filled with the liquid medicine, and pulling a second piston core rod (14) to extract the liquid medicine to enable an injection channel where the second piston core rod is located to be filled with the liquid medicine;
placing the injection tube (11) in the clamping groove (10), then clamping the end part of the first piston core rod (13) in the first clamping groove (15), penetrating the end part of the second piston core rod (14) through the slide way (16) and clamping in the second clamping groove (17), then covering the arc-shaped locking sheet (1801) on the injection tube (11), and locking the injection tube (11) by rotating the locking bolt (1802);
the method comprises the steps that a first motor (5) is started to drive a first lead screw (3) to rotate, the rotating first lead screw (3) drives a first sliding plate (8) to move on a sliding rod (7), the moving first sliding plate (8) pushes a first piston core rod (13), the first piston core rod (13) injects liquid medicine in an injection channel into a human body, after the first piston core rod (13) is injected, a second motor (6) is started to drive a second lead screw (4) to rotate, the rotating second lead screw (4) drives a second sliding plate (9) to move on the sliding rod (7), the moving second sliding plate (9) pushes a second piston core rod (14), and the second piston core rod (14) injects the liquid medicine in the injection channel into the human body, so that small-pressure small-flow-rate gradual injection is achieved;
when the liquid medicine needs to be injected under high pressure and high flow rate, the first motor (5) and the second motor (6) are started simultaneously, the first sliding plate (8) and the second sliding plate (9) move synchronously to push the first piston core rod (13) and the second piston core rod (14) to move synchronously, and the liquid medicine in the two injection channels is injected into the human body synchronously, so that the liquid medicine is injected under high pressure quickly;
when the injection angle needs to be changed due to position limitation, the plug pin (26) is pulled to move outwards through the pull head (29), then the injection head (1102) is rotated, the plug (23) on the injection head (1102) is pulled out of the groove (22), and the telescopic hose (21) is stretched by rotating the injection head (1102), so that the injection head (1102) is matched with the injection angle;
and repeating the steps according to the requirement of the injection speed after the angle of the injection head is adjusted properly.
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| CN202111639541.5A CN114404727B (en) | 2021-12-29 | 2021-12-29 | Portable single-channel injection pump and application method thereof |
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| CN202111639541.5A CN114404727B (en) | 2021-12-29 | 2021-12-29 | Portable single-channel injection pump and application method thereof |
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| CN114404727B CN114404727B (en) | 2023-08-18 |
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| KR20130055208A (en) * | 2011-11-18 | 2013-05-28 | 한국기계연구원 | Dual linear flow regulating apparatus for intravenous infusion |
| CN107412903A (en) * | 2017-09-11 | 2017-12-01 | 珠海亿立达电子设备有限公司 | A kind of injection device of double syringe |
| CN109602970A (en) * | 2019-01-10 | 2019-04-12 | 南京感控通化工产品经营部 | A kind of high-pressure injection system for computed tomography angiography |
| CN209611876U (en) * | 2019-02-12 | 2019-11-12 | 深圳市普菲医疗科技有限公司 | A kind of high pressure injector |
| CN111135393A (en) * | 2020-01-16 | 2020-05-12 | 上海优米泰医疗科技有限公司 | Medicament injector |
| CN111420166A (en) * | 2020-04-26 | 2020-07-17 | 河南科技大学 | Micro-injection pump |
| CN213554477U (en) * | 2020-04-28 | 2021-06-29 | 徐倩 | Medical electric injection device |
| CN213048681U (en) * | 2020-07-28 | 2021-04-27 | 李志博 | Device for contrast medium injection in hysterosalpingography |
| CN214259567U (en) * | 2020-11-24 | 2021-09-24 | 永荣 | Poultry animal doctor uses syringe |
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| CN114404727B (en) | 2023-08-18 |
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Denomination of invention: A portable single channel injection pump and its usage method Granted publication date: 20230818 Pledgee: Bank of China Limited Xuzhou Quanshan sub branch Pledgor: Jiangsu pumaisi Medical Technology Co.,Ltd. Registration number: Y2024980013105 |