CN114099864B - Needleless injector capable of automatically adjusting injection pressure - Google Patents
Needleless injector capable of automatically adjusting injection pressure Download PDFInfo
- Publication number
- CN114099864B CN114099864B CN202111221313.6A CN202111221313A CN114099864B CN 114099864 B CN114099864 B CN 114099864B CN 202111221313 A CN202111221313 A CN 202111221313A CN 114099864 B CN114099864 B CN 114099864B
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- shell
- rotary
- locking
- wall
- injection pressure
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- 238000002347 injection Methods 0.000 title claims abstract description 27
- 239000007924 injection Substances 0.000 title claims abstract description 27
- 239000003708 ampul Substances 0.000 claims abstract description 19
- 230000009467 reduction Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 241001465754 Metazoa Species 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229960005486 vaccine Drugs 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
- A61M5/48—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 having means for varying, regulating, indicating or limiting injection pressure
-
- 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
- A61M5/178—Syringes
- A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
-
- 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
- A61M5/178—Syringes
- A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
- A61M5/2422—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic using emptying means to expel or eject media, e.g. pistons, deformation of the ampoule, or telescoping of the ampoule
-
- 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
- A61M5/178—Syringes
- A61M5/28—Syringe ampoules or carpules, i.e. ampoules or carpules provided with a needle
- A61M5/281—Syringe ampoules or carpules, i.e. ampoules or carpules provided with a needle using emptying means to expel or eject media, e.g. pistons, deformation of the ampoule, or telescoping of the ampoule
-
- 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
- A61M5/178—Syringes
- A61M5/30—Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or carpules
-
- 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
- A61M5/48—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 having means for varying, regulating, indicating or limiting injection pressure
- A61M5/484—Regulating injection pressure
-
- 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
- A61M2250/00—Specially adapted for animals
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a needleless injector capable of automatically adjusting injection pressure, which comprises a shell, an ampoule bottle and a rotary locking device, wherein the rotary locking device comprises a locking shell and a rotary locker; the rotary locking shell is U-shaped, the rotary locking shell slides back and forth on the outer wall of the shell, a rotary locker is arranged on a middle rod of the rotary locking shell, a support rod assembly is arranged in the shell, and the stress end of the support rod assembly extends out of the shell and is connected with the rotary locker; the ampoule bottle is internally provided with a piston which moves back and forth, and the piston stretches out of the shell and is connected with the pushing end of the supporting rod component in a meshed mode. The invention can realize smooth movement and locking of the movable shaft, and simultaneously realizes the adjustment of injection pressure through the rotating motor, thereby expanding the injection range and the use effect of the needleless injector.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a needleless injector capable of automatically adjusting injection pressure.
Background
With the development of livestock raising industry, various farms provide basic guarantee for the life quality of people. In order to maximize the economic benefit, various farms are beginning to move from single to multiple, involving the cultivation of multiple animals. In order to prevent and reduce the occurrence of epidemic diseases, it is necessary to vaccinate each year with the corresponding vaccine. Most farms currently use needleless injectors with needles for animals to vaccinate each animal. As is well known, the injection of the needle head can cause great pain to animals, and the situation that the needle head hurts people is often caused by broken needle due to the reaction action of the animals; in addition, because the workload of frequently assembling and disassembling the needle is large, time and labor are wasted, the injection efficiency is greatly reduced, and great potential safety hazards are also caused for the injector.
In order to meet the demands of vast farmers and reduce the equipment cost, it is highly desirable to design a needleless injector capable of automatically adjusting the injection pressure.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a needleless injector capable of automatically adjusting injection pressure, which can automatically adjust the injection pressure according to the needs, and has the advantages of simple structure, convenient operation and reliability.
In order to achieve the above purpose, the needleless injector capable of automatically adjusting injection pressure comprises a shell, an ampoule bottle and a rotary locking device, wherein the rotary locking device comprises a locking shell and a rotary locker, the locking shell is U-shaped, the locking shell slides back and forth on the outer wall of the shell, the rotary locker moves on a middle rod of the locking shell, a support rod assembly is arranged in the shell, and a stress end of the support rod assembly extends out of the shell and is connected with the rotary locker; the ampoule bottle is internally provided with a piston which moves back and forth, and the piston stretches out of the shell and is connected with the pushing end of the supporting rod component in a meshed mode.
Further, two outer side key grooves are symmetrically formed in the outer wall of the shell, and the outer side key grooves are parallel to the central axis; two groups of groove groups are symmetrically arranged on the inner wall of the shell, each group of groove group consists of a plurality of grooves which are arranged at intervals, each groove is a semicircle with an arc shape smaller than the inner wall of the shell, and threads are arranged on the outer wall of the ampoule bottle mounting end of the shell.
Still further, the inner wall end parts of the sliding rods at the two ends of the locking shell are respectively provided with an inner key, each inner key freely slides in a corresponding outer key groove (the locking shell and the shell are always matched with each other in a key groove, and the locking shell is matched and meshed with the rotary locker, so that the rotation angle of the supporting rod is limited to be 0-90 degrees, the locking and releasing of the locking piece on the supporting rod are effectively controlled, and the safety and the using effect of the needleless injector are improved.
Still further, the ampoule includes the bottle, the injection end of bottle is provided with the nozzle, the stiff end of bottle is provided with the locking cap, be provided with the internal thread on the inner wall of locking cap, and thereby the internal thread and screw-thread engagement lock ampoule with the casing.
Still further, the supporting rod assembly comprises a supporting rod, two groups of locking pieces are symmetrically arranged on the outer wall of the pushing end of the supporting rod, and mounting holes are formed in the end wall of the pushing end of the supporting rod; the mounting hole is characterized in that mounting threads are formed in the inner wall of the mounting hole, two arc-shaped tracks are correspondingly wound on the outer wall of the stressed end of the supporting rod, and a spring is arranged on the supporting rod (6.1) between the locking piece and the arc-shaped tracks.
Still further, the retaining member is made up of a plurality of spaced locking pieces, and the locking pieces of each group of retaining members are correspondingly inserted into the grooves to lock the supporting rod and the housing (when the grooves are matched with the retaining members, the grooves are used for limiting the movement of the retaining members in the vertical direction so as to limit the up-and-down movement of the supporting rod, and the locking shell is matched with the housing key groove so as to limit the rotation of the rotary locking mechanism, so that the rotation of only the supporting rod is realized).
Still further, set up the terminal surface screw thread on the outer wall of the atress end of piston, the terminal surface screw thread and the installation screw thread meshing of piston make the piston install in the mounting hole.
Still further, the rotation locker comprises rotatory cylinder and U type rotatory shell, rotatory cylinder both ends outer wall is provided with circular cap internal thread and rotation screw thread respectively, the circular cap is installed to rotatory cylinder one end, and its other end is rotatory on the middle pole of rotatory locking shell, rotatory shell sets up in rotatory locking shell, two through-holes have been seted up to two walls of rotatory shell, installs the cooperation piece in every through-hole, the atress end of bracing piece inserts in the U type shell of rotatory shell, the cooperation piece inserts the intraductal corresponding arc track of interior slip of through-hole (press the circular cap because rotatory locker of cooperation of rotatory shell and casing is relative casing linear motion and bracing piece is relative casing rotary motion simultaneously).
Still further, a gasket groove and a drag reduction groove (for reducing the friction resistance of the piston moving in the ampoule bottle) are formed in the outer wall of the piston, and an elastic gasket is sleeved on the gasket groove.
The invention has the beneficial effects that:
1. the locking shell is in threaded engagement with the rotary locker, so that the degree of freedom of the rotary locker is reduced, the rotary locker linearly moves relative to the shell, the supporting rod rotationally moves in a 90-degree rotation range, locking and releasing of the locking piece on the supporting rod are effectively controlled, and safety and practicability are improved.
2. The shell of the needleless injector is internally provided with at least 20 grooves, the locking pieces arranged on the supporting rods can be matched with the grooves at the same time, and the matching pieces are matched with the arc track at the tail end of the supporting rods, so that the problem that the injection force of the existing spring needleless injector is not adjustable is solved.
Drawings
FIG. 1 is a schematic view of a needleless injector capable of automatically adjusting injection pressure;
fig. 2 is a perspective view of the housing;
FIG. 3 is a cross-sectional view of the housing
Fig. 4 is a front view of the housing;
FIG. 5 is a C-C cross-sectional view of the housing;
FIG. 6 is a connection diagram of the support rod assembly and the rotational lock;
FIG. 7 is a front view of the support rod assembly and rotational lock;
FIG. 8 is a detail view of FIG. 7;
FIG. 9 is a perspective view of the support rod assembly;
FIG. 10 is a front view of the support rod assembly;
FIG. 11 is a perspective view of the rotational lock;
FIG. 12 is a perspective view of the mating element;
FIG. 13 is a perspective view of a piston;
FIG. 14 is a perspective view of the lock housing;
in the figure, a shell 1, an outer side key groove 1.1, a groove group 1.2, a groove 1.21, threads 1.3, an ampoule bottle 2, a bottle body 2.1, a nozzle 2.2, a locking cap 2.3, an inner thread 2.31, a rotary locking device 3, a locking shell 4, an inner side key 4.1, a rotary locker 5, a rotary cylinder 5.1, a round cap inner thread 5.11, a rotary thread 5.12, a rotary shell 5.2, a through hole 5.21, a supporting rod assembly 6, a supporting rod 6.1, a locking piece 6.2, a locking plate 6.21, a mounting hole 6.3, a mounting thread 6.4, an arc-shaped track 6.5, a spring 6.6, a piston 7, an end face thread 7.1, a gasket groove 7.2, a drag reduction groove 7.3, a round cap 8, a matching piece 9 and an elastic gasket 10 are shown.
Detailed Description
The present invention is described in further detail below in conjunction with specific embodiments for understanding by those skilled in the art.
The needleless injector capable of automatically adjusting injection pressure as shown in fig. 1-14 comprises a shell 1, an ampoule bottle 2 and a rotary locking device 3, wherein two outer side key grooves 1.1 are symmetrically formed in the outer wall of the shell 1, and the outer side key grooves 1.1 are parallel to a central axis; two groups of groove groups 1.2 are symmetrically formed on the inner wall of the shell 1, each group of groove groups 1.2 consists of at least 20 grooves 1.21 which are arranged at intervals, each groove 1.21 is a semicircle with an arc shape smaller than that of the inner wall of the shell 1, and threads 1.3 are arranged on the outer wall of the mounting end of the ampoule bottle 2 of the shell 1;
the ampoule bottle 2 comprises a bottle body 2.1, a nozzle 2.2 is arranged at the injection end of the bottle body 2.1, a locking cap 2.3 is arranged at the fixed end of the bottle body 2.1, an internal thread 2.31 is arranged on the inner wall of the locking cap 2.3, and the internal thread 2.31 is meshed with the thread 1.3 so as to lock the ampoule bottle 2 and the shell 1;
the rotary locking device 3 comprises a locking shell 4 and a rotary locker 5, the locking shell 4 is U-shaped, inner side keys 4.1 are arranged at the inner wall ends of sliding rods at two ends of the locking shell 4, and each inner side key 4.1 freely slides in a corresponding outer side key slot 1.1;
the rotary locker 5 moves on the middle rod of the locking shell 4, a supporting rod assembly 6 is arranged in the shell 1, and the stressed end of the supporting rod assembly 6 extends out of the shell 1 to be connected with the rotary locker 5;
the rotary locker 5 is composed of a rotary cylinder 5.1 and a U-shaped rotary shell 5.2, the outer walls of the two ends of the rotary cylinder 5.1 are respectively provided with a circular cap internal thread 5.11 and a rotary thread 5.12, one end of the rotary cylinder 5.1 is provided with a circular cap 8, the other end of the rotary cylinder rotates on a middle rod of the locking shell 4, the rotary shell 5.2 is arranged in the locking shell 4, two walls of the rotary shell 5.2 are provided with two through holes 5.21, each through hole 5.21 is internally provided with a matching piece 9,
the supporting rod assembly 6 comprises a supporting rod 6.1, two groups of locking pieces 6.2 are symmetrically arranged on the outer wall of the pushing end of the supporting rod 6.1, each group of locking pieces 6.2 consists of 3 locking pieces 6.21 which are arranged at intervals, the locking pieces 6.21 of each group of locking pieces 6.2 are correspondingly inserted into the grooves to lock the supporting rod 6.1 with the shell 1,
the end wall of the pushing end of the supporting rod 6.1 is provided with a mounting hole 6.3; the inner wall of the mounting hole 6.3 is provided with mounting threads 6.4, and the outer wall of the stress end of the supporting rod 6.1 is correspondingly wound with two arc-shaped rails 6.5;
the stress end of the supporting rod 6.1 is inserted into the U-shaped shell of the rotary shell 5.2, and the matching piece 9 is inserted into the through hole 5.21 and slides in the corresponding arc-shaped track 6.5; a spring 6.6 is arranged on the supporting rod 6.1 between the locking piece 6.2 and the arc-shaped track 6.5;
the ampoule bottle 2 is internally provided with a piston 7 which moves back and forth, the outer wall of the stress end of the piston 7 is provided with an end surface thread 7.1, and the end surface thread 7.1 of the piston 7 is meshed with the mounting thread 6.4 to enable the piston 7 to be mounted in the mounting hole 6.3.
The outer wall of the piston 7 is provided with a gasket groove 7.2 and a drag reduction groove 7.3, and the gasket groove 7.2 is sleeved with an elastic gasket 10.
The working process of the needleless injector capable of automatically adjusting the injection pressure is as follows:
when the round cap 8 is pressed, the round cap 8 drives the rotary locker 5 to linearly move, a pair of knobs 9 matched with through holes 5.21 on the rotary locker 5 linearly move in the circular arc track 6.5 relative to the shell 1, the supporting rod 6.1 rotates relative to the shell, when the matched piece 9 moves from the front end of the circular arc track 6.5 to the tail end, the supporting rod 6.1 rotates by 90 degrees, at the moment, the locking piece 6.2 rotates out of the groove group 1.2, and the spring 6.6 is released to complete injection.
Other parts not described in detail are prior art. Although the foregoing embodiments have been described in some, but not all, embodiments of the invention, it should be understood that other embodiments may be devised in accordance with the present embodiments without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a needleless injector that can automatically regulated injection pressure, includes casing (1), ampoule (2), rotation locking device (3), its characterized in that: the rotary locking device (3) comprises a locking shell (4) and a rotary locker (5), wherein the locking shell (4) is U-shaped, the locking shell (4) slides back and forth on the outer wall of the shell (1), the rotary locker (5) moves on a middle rod of the locking shell (4), a support rod assembly (6) is arranged in the shell (1), and the stress end of the support rod assembly (6) extends out of the shell (1) and is connected with the rotary locker (5); a piston (7) which moves back and forth is arranged in the ampoule bottle (2), and the piston (7) stretches into the shell (1) to be connected with the pushing end of the supporting rod component (6) in a meshed manner;
two groups of groove groups (1.2) are symmetrically arranged on the inner wall of the shell (1), each group of groove groups (1.2) consists of a plurality of grooves (1.21) which are arranged at intervals, each groove (1.21) is a semicircle with an arc shape smaller than the inner wall of the shell (1),
the support rod assembly (6) comprises a support rod (6.1), two groups of locking pieces (6.2) are symmetrically arranged on the outer wall of the pushing end of the support rod (6.1), and mounting holes (6.3) are formed in the end wall of the pushing end of the support rod (6.1); the inner wall of the mounting hole (6.3) is provided with mounting threads (6.4), two arc-shaped tracks (6.5) are correspondingly wound on the outer wall of the stress end of the supporting rod (6.1), and a spring (6.6) is arranged on the supporting rod (6.1) between the locking piece (6.2) and the arc-shaped tracks (6.5); the locking pieces (6.2) are composed of a plurality of locking pieces (6.21) which are arranged at intervals, and the locking pieces (6.21) of each group of locking pieces (6.2) are correspondingly inserted into the grooves to enable the supporting rod (6.1) to be locked with the shell (1).
2. The needle-free injector capable of automatically adjusting injection pressure according to claim 1, wherein: two outer side key grooves (1.1) are symmetrically formed in the outer wall of the shell (1), and the outer side key grooves (1.1) are parallel to the central axis; threads (1.3) are arranged on the outer wall of the mounting end of the ampoule bottle (2) of the shell (1).
3. The needle-free injector capable of automatically adjusting injection pressure according to claim 2, wherein: inner side keys (4.1) are arranged at the inner wall ends of the sliding rods at the two ends of the locking shell (4), and each inner side key (4.1) freely slides in the corresponding outer side key groove (1.1).
4. The needle-free injector capable of automatically adjusting injection pressure according to claim 2, wherein: ampoule (2) include bottle (2.1), the injection end of bottle (2.1) is provided with nozzle (2.2), the stiff end of bottle (2.1) is provided with locking cap (2.3), be provided with internal thread (2.31) on the inner wall of locking cap (2.3), and thereby internal thread (2.31) and screw thread (1.3) meshing are locked ampoule (2) and casing (1).
5. The needle-free injector capable of automatically adjusting injection pressure according to claim 1, wherein: an end face thread (7.1) is formed on the outer wall of the stress end of the piston (7), and the end face thread (7.1) of the piston (7) is meshed with the mounting thread (6.4) so that the piston (7) is mounted in the mounting hole (6.3).
6. The needle-free injector capable of automatically adjusting injection pressure according to claim 1, wherein: the rotary locker (5) comprises a rotary cylinder (5.1) and a U-shaped rotary shell (5.2), circular cap internal threads (5.11) and rotary threads (5.12) are respectively arranged on the outer walls of two ends of the rotary cylinder (5.1), a circular cap (8) is arranged at one end of the rotary cylinder (5.1), the other end of the rotary cylinder rotates on a middle rod of the rotary locking shell (4), the rotary shell (5.2) is arranged in the rotary locking shell (4), two through holes (5.21) are formed in two walls of the rotary shell (5.2), a matching piece (9) is arranged in each through hole (5.21), the stressed end of the supporting rod (6.1) is inserted into the U-shaped shell of the rotary shell (5.2), and the matching piece (9) is inserted into the through holes (5.21) to slide in corresponding arc-shaped tracks (6.5).
7. The needle-free injector capable of automatically adjusting injection pressure according to claim 5, wherein: a gasket groove (7.2) and a drag reduction groove (7.3) are formed in the outer wall of the piston (7), and an elastic gasket (10) is sleeved on the gasket groove (7.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111221313.6A CN114099864B (en) | 2021-10-20 | 2021-10-20 | Needleless injector capable of automatically adjusting injection pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111221313.6A CN114099864B (en) | 2021-10-20 | 2021-10-20 | Needleless injector capable of automatically adjusting injection pressure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114099864A CN114099864A (en) | 2022-03-01 |
| CN114099864B true CN114099864B (en) | 2024-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111221313.6A Active CN114099864B (en) | 2021-10-20 | 2021-10-20 | Needleless injector capable of automatically adjusting injection pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114099864B (en) |
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| CN201186087Y (en) * | 2008-04-14 | 2009-01-28 | 翁天祥 | Needleless injectors capable of regulating injection depth |
| CN104415427A (en) * | 2013-08-20 | 2015-03-18 | 曹晶晶 | Dosage-adjustable needleless injector |
| CN204446828U (en) * | 2015-01-23 | 2015-07-08 | 苏州大学 | A kind of ampere power-actuated rail mounted electromagnetism needleless injector |
| CN211357190U (en) * | 2019-06-27 | 2020-08-28 | 莆田市烛火信息技术有限公司 | Insulin needleless injector |
| CN111631837A (en) * | 2020-06-22 | 2020-09-08 | 吴克坚 | Special syringe of adjustable extrusion force of animal doctor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU225252B1 (en) * | 2003-08-21 | 2006-08-28 | S Istvan Lindmayer | Needleless injection apparatus |
| US9492643B2 (en) * | 2013-05-16 | 2016-11-15 | Atrion Medical Products, Inc. | Lockable syringe and method of assembling same |
-
2021
- 2021-10-20 CN CN202111221313.6A patent/CN114099864B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004329635A (en) * | 2003-05-09 | 2004-11-25 | Shimadzu Corp | Needle-less syringe |
| CN201186087Y (en) * | 2008-04-14 | 2009-01-28 | 翁天祥 | Needleless injectors capable of regulating injection depth |
| CN104415427A (en) * | 2013-08-20 | 2015-03-18 | 曹晶晶 | Dosage-adjustable needleless injector |
| CN204446828U (en) * | 2015-01-23 | 2015-07-08 | 苏州大学 | A kind of ampere power-actuated rail mounted electromagnetism needleless injector |
| CN211357190U (en) * | 2019-06-27 | 2020-08-28 | 莆田市烛火信息技术有限公司 | Insulin needleless injector |
| CN111631837A (en) * | 2020-06-22 | 2020-09-08 | 吴克坚 | Special syringe of adjustable extrusion force of animal doctor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114099864A (en) | 2022-03-01 |
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