CN107137803B - High-pressure injector needle cylinder rotation fixing device with plunger limiting function and method - Google Patents
High-pressure injector needle cylinder rotation fixing device with plunger limiting function and method Download PDFInfo
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- CN107137803B CN107137803B CN201710412079.2A CN201710412079A CN107137803B CN 107137803 B CN107137803 B CN 107137803B CN 201710412079 A CN201710412079 A CN 201710412079A CN 107137803 B CN107137803 B CN 107137803B
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- cover plate
- syringe
- needle cylinder
- flange
- protective sleeve
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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
- A61M5/178—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
- A61M5/007—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 for contrast media
-
- 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
- A61M5/31—Details
- A61M5/3129—Syringe barrels
-
- 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
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
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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 high-pressure injector needle cylinder rotation fixing device with plunger limiting and a method, wherein the device comprises the following components: the syringe protective sleeve is sleeved on the outer side of the high-pressure syringe and the syringe seat is fixedly matched with one end of the syringe protective sleeve, wherein the syringe seat is provided with a plurality of elastic plunger pieces located in the radial direction of the syringe protective sleeve, and the syringe protective sleeve is provided with an annular groove matched with the elastic plunger pieces. The invention has simple and convenient operation, is not easy to generate misoperation when the needle cylinder is replaced, and can take out the needle cylinder or put the needle cylinder into the needle cylinder protective sleeve without pulling down the needle tube.
Description
Technical Field
The invention relates to a high-pressure injector needle cylinder rotation fixing device with plunger limiting function and a method.
Background
High pressure syringes are one of the devices often used in medical equipment for injecting liquids such as contrast media, saline, and the like into the body to enhance the effectiveness of medical imaging such as X-ray or electromagnetic imaging. Which is operated by a nurse to administer the contrast media injection to the patient. The general process comprises the steps of installing and fixing the syringe, setting injection parameters, injecting, disassembling the syringe and the like. The replacement of the syringe of the high-pressure injector on the existing market has the following actions:
step1, taking down the syringe protective sleeve and the syringe integrally
Step2, separating the needle tube from the needle cylinder
Step3, replacing the new syringe and reinserting the new syringe into the syringe protective sleeve
Step4, connecting the needle tube with a new needle cylinder
Step5: the needle cylinder protective sleeve and the needle cylinder are integrally installed back to the high-pressure injector head, the needle cylinder is limited through the front end of the needle cylinder protective sleeve, and the needle cylinder is fixed through the fixed needle cylinder protective sleeve.
And most reach in the high pressure syringe product that injection pressure is greater than 1000PSI on the market, its cylinder fixed mode is mostly the cylinder and arranges the cylinder in the cylinder protective sheath, the cylinder inserts from the protective sheath rear portion, accomplish the assembly after whole installation again to high pressure syringe needle cylinder seat on, this kind of structure has directly leaded to the nurse when changing the cylinder, must take out the cylinder from cylinder protective sheath rear portion earlier, change the cylinder again, this action inevitable needs pull out the needle tubing, thereby caused the secondary pollution of external environment to the cylinder.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a high-pressure syringe needle cylinder rotation fixing device with plunger limiting, which is simple and convenient to operate, is not prone to misoperation during replacement of a needle cylinder, and can be taken out or put into a needle cylinder protective sleeve without pulling out a needle tube.
According to the purpose of the invention, the following technical scheme is provided: the utility model provides a rotatory fixing device of high pressure syringe cylinder with plunger is spacing, its includes that the cover establishes the cylinder protective sheath in the high pressure syringe cylinder outside and with the fixed complex syringe seat of cylinder protective sheath one end, wherein the syringe seat is provided with a plurality of elasticity plunger pieces that are located cylinder protective sheath radial direction, and the cylinder protective sheath then be provided with elasticity plunger piece complex annular groove.
The technical scheme further comprises the following auxiliary technical scheme on the basis of the technical scheme:
the high-pressure injector further comprises a first cover plate which is used for fixing the rear end of the high-pressure injector needle cylinder, is abutted against and contacted with the needle cylinder seat and is fixed with the needle cylinder protective sleeve, and a flooding plug valve which is positioned between the needle cylinder seat and the first cover plate and is attached to the needle cylinder protective sleeve.
The high-pressure injector is characterized by further comprising a second cover plate for fixing the front end of the high-pressure injector needle cylinder and a flange cover plate sleeved on the outer side of the second cover plate, wherein the flange cover plate is provided with a notch, and the front end of the needle cylinder is provided with a flange matched with the notch.
And the columnar piece is arranged on the flange cover plate and can be correspondingly inserted into the limiting hole in the second cover plate, and the moving direction of the columnar piece is mutually parallel to the central axial direction of the second cover plate and the flange cover plate.
The second cover plate comprises a cover plate hole, a pair of rib plates oppositely arranged at the edge of the cover plate hole, and rotation stopping convex blocks arranged on the corresponding rib plates.
Still including preventing that the direct friction of flange apron and second apron from causing metal damage and being located the friction ring between flange apron and the second apron.
The flange cover plate, the first cover plate and the second cover plate are made of metal materials, and the friction ring is made of wear-resistant materials.
According to the purpose of the invention, another technical scheme is provided: a high pressure injector syringe rotational fixation device with plunger limiting, comprising: the cover is established at the cylinder protective sheath in the high pressure syringe cylinder outside, with cylinder protective sheath one end fixed coordination's syringe seat, with syringe seat fixed coordination and with the fixed first apron of cylinder protective sheath, fixed high pressure syringe cylinder front end and have spacing hole the second apron, the cover establish the flange apron in the second apron outside and install on the flange apron and can correspond the column piece that inserts spacing hole in the second apron, wherein the syringe seat is provided with a plurality of elastic column plug parts that are located cylinder protective sheath radial direction, and the cylinder protective sheath then be provided with elastic plunger spare complex annular groove.
According to the purpose of the invention, another technical scheme is provided: a method of rotationally securing a high pressure syringe barrel with a plunger stop, comprising:
step1: inserting the needle cylinder protective sleeve into the needle cylinder seat, wherein a plurality of elastic plunger pieces are arranged on the needle cylinder seat, and after the needle cylinder protective sleeve is completely inserted into the needle cylinder seat, steel balls at the front end of the elastic plunger pieces can slide into an annular groove of the needle cylinder protective sleeve to form primary fixation;
step2: then the general plug valve at the inner hole of the first cover plate is attached to the needle cylinder protective sleeve through deformation to form secondary fixation;
step3: inserting the high-pressure syringe needle cylinder into the needle cylinder protective sleeve and simultaneously ensuring that the flange direction of the high-pressure syringe needle cylinder faces to the right upper side and is aligned with the mark on the needle cylinder protective sleeve;
step4: turning over the flange cover plate, wherein the notch of the flange cover plate is fit with the flange at the moment, and the flange cover plate and the high-pressure injector needle cylinder rotate simultaneously at the moment;
step5: the flange cover plate is rotated clockwise, after the flange cover plate is rotated by 90 degrees, the columnar head of the columnar piece arranged on the flange cover plate enters the limiting hole of the second cover plate, and the flange cover plate 8 can only rotate clockwise by 90 degrees on the second cover plate 7 until the end.
Therefore, the invention has the following characteristics:
the operation is simple and convenient, the error operation is not easy to occur when the needle cylinder is replaced, and the needle cylinder can be taken out or put into the needle cylinder protective sleeve without pulling the needle tube.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an assembled view of a syringe jacket, syringe mount, and elastomeric plunger assembly of the present invention.
Fig. 2 is a sectional view of fig. 1.
Fig. 3 is a schematic cross-sectional view of the present invention.
Fig. 4 is a side view of fig. 3 and in an initial state.
FIG. 5 is a side view similar to FIG. 4, rotated 90 degrees.
Fig. 6 is a sectional view of the second cover plate and the flange cover plate assembled in the present invention.
Fig. 7 is a structural view of a second cover plate in the present invention.
Fig. 8 is a perspective view of the present invention from a first perspective.
Fig. 9 is a perspective view of the present invention from a second perspective.
Fig. 10 is a cross-sectional view of the present invention with the syringe withdrawn.
Fig. 11 is another cross-sectional view of the present invention to reveal the relationship between the second cover plate and the flange cover plate.
Detailed Description
The technical solution of the present invention will be clearly and completely described by the following detailed description. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-11, the present invention provides an embodiment of a high-pressure syringe needle cylinder rotation fixing device with plunger position limitation, which includes a needle cylinder protecting sleeve 1 that is sleeved outside a high-pressure syringe needle cylinder 4 and is in abutting contact with the rear end of the high-pressure syringe needle cylinder 4, a needle cylinder seat 2 that is fixedly matched with one end of the needle cylinder protecting sleeve 1 and is in abutting contact with the needle cylinder protecting sleeve 1, a first cover plate 5 that is fixedly matched with the needle cylinder seat 2 and is fixed with the needle cylinder protecting sleeve 1, a flooding valve 6 that is located between the needle cylinder seat 2 and the first cover plate 5 and is attached to the needle cylinder protecting sleeve 1, a second cover plate 7 that fixes the front end of the high-pressure syringe needle cylinder 4, a flange cover plate 8 that is sleeved outside the second cover plate 7, and a column-shaped member 9 that is installed on the flange cover plate 8 and can be inserted into a position limiting hole 76 in the second cover plate 7 correspondingly. The first cover plate 5 and the second cover plate 7 are DSA circular cover plates.
The syringe protective sleeve 1 is used for preventing the high-pressure syringe 4 under high pressure from bursting, is roughly cylindrical, and the tail end of the syringe protective sleeve is provided with an inclined part, and the syringe seat 2 is used for installing a spring plunger piece 3 and fixing the syringe protective sleeve 1 and is connected with the back vertical keel.
The syringe mount 2 is provided with a plurality of elastic plunger elements 3 in the radial direction of the syringe protective sheath 1, and the syringe protective sheath 1 is provided with an annular groove 10 cooperating with the elastic plunger elements 3. The elastic plunger member 3 includes a plunger head, and a spring in abutting contact with one end of the plunger head. The column 9 includes a column head, and a spring in abutting contact with one end of the column head. The plunger head or cylinder head is preferably a steel ball.
The flange cover plate 8 is provided with a flange hole 80 at the center, a notch 82 at one end communicating with the flange hole 80 and extending radially, and a pair of side edges 84 at the other end provided with the column member 9, and the front end of the high-pressure syringe 4 is provided with a flange 40 fitting with the notch 82.
The second cover 7 includes a cover hole 70, a pair of ribs 72 disposed at an edge of the cover hole 70 and at one end, a rotation stopping protrusion 74 disposed on the corresponding rib 72 and stopping the movement of the side edge 84, and a limiting hole 76 disposed on the rib 72 and corresponding to the pillar 9.
Syringe protective sheath 1 passes through first apron 5, insert syringe seat 2 with second apron 7, the rake of syringe protective sheath 1 and general stopper valve 6 contact this moment, syringe protective sheath 1 is under the effect of elasticity plunger spare 3, can't be separated from syringe seat 2 under the condition of no exogenic action, general stopper valve 6 is in the down Cheng Xingbian of exogenic action on the rake inclined plane of syringe protective sheath 1, thereby make general stopper valve 6 and syringe protective sheath 1 stroke face contact, accomplish sealed when fixed syringe protective sheath 1.
The flange 40 of the high-pressure syringe needle cylinder 4 keeps the direction upward, after the flange cover plate 8 is closed, the notch 82 of the flange cover plate 8 is matched with the flange 40 to form a whole, the initial position is as shown in figure 4, then the flange cover plate 8 is rotated clockwise by 90 degrees as shown in figure 5, all the steps of fixing the needle cylinder are completed, at the moment, the high-pressure syringe needle cylinder 4 and the needle cylinder protective sleeve 1 are matched with the limiting step 12 of the needle cylinder protective sleeve 1 through the tail end of the high-pressure syringe needle cylinder 4, and the needle cylinder protective sleeve 1 is abutted and contacted with the needle cylinder seat 2, so that the fixation is completed. At the same time, in order to prevent erroneous operation, the column member 9 mounted on the flange cover 8 is slid into the stopper hole 76 of the second cover 7 and fixed. In order to prevent the cover flange 8 from being rotated too much (i.e. the cover flange 8 is rotated more than 90 °) when the cover flange 8 is rotated, as shown in fig. 7 and 11, the second cover 7 also enables the cover flange 8 to be rotated only 90 ° during the rotation process through the rotation stopping protrusions 74, thereby ensuring that the over-rotation condition does not occur.
Preferably, the present invention further comprises a friction ring 92 between the flange cover plate 8 and the second cover plate 7 for preventing metal damage due to direct friction between the flange cover plate 8 and the second cover plate 7. The flange cover plate 8, the first cover plate 5 and the second cover plate 7 are all made of metal materials. The friction ring 92 is preferably an abrasion resistant material, more preferably a POM plastic material.
Therefore, on the basis of the structure, the invention also comprises a method which is as follows:
step1: the syringe protective sleeve 1 is inserted into the syringe seat 2, and four elastic plunger pieces 3 are arranged on the syringe seat 2, after the syringe protective sleeve 1 is inserted into the syringe seat 2, the front steel balls of the elastic plunger pieces 3 can slide into the annular groove 10 of the syringe protective sleeve 1, so that the first layer of fixation is formed on the syringe protective sleeve 1, namely the fixation of the elastic plunger pieces 3.
Step2: syringe protective sheath 1 end has an rake, installs first apron 5 before syringe seat 2, and the hole department of first apron 5 is equipped with one and can be deformed general stopper valve 6, should general stopper valve 6 through deformation laminating syringe protective sheath 1 completely to it is fixed to form the second floor to syringe protective sheath 1, and it is fixed to general stopper valve deformation promptly, thereby accomplishes the action of fixing syringe protective sheath 1, notices: this action merely secures the syringe sheath 1 and facilitates insertion of the high pressure syringe barrel 4.
Step3: the high-pressure syringe cylinder 4 is inserted into the cylinder protective sleeve 1, and simultaneously, the flange 40 of the high-pressure syringe cylinder 4 is ensured to face to the right upper side and is aligned with the mark on the cylinder protective sleeve 1, and a foolproof design is arranged at the position, namely, if the flange 40 does not face to the right upper side, the flange cover plate 8 cannot be turned to the right position.
Step4: the flange cover 8 is turned over, the recess 82 of the flange cover 8 now engaging with the flange 40, and the flange cover 8 and the high-pressure injector syringe 4 can now be rotated simultaneously.
Step5: the flange cover plate 8 is rotated clockwise, after the flange cover plate 8 is rotated by 90 degrees, the columnar head of the columnar piece 9 enters the limiting hole 76 of the second cover plate 7, the columnar piece 9 is installed on the flange cover plate 8, and in Step5, the second cover plate 7 is provided with the rotation stopping lug 74, so that the flange cover plate 8 can only rotate 90 degrees clockwise on the second cover plate 7 until the end.
At this time, the high-pressure syringe 4 and the syringe protective sleeve 1 are completely fixed, and when the high-pressure syringe 4 is subjected to high pressure, the pressure applied to the high-pressure syringe 4 is completely acted on two ears on two sides of the flange cover plate 8 through the flange cover plate 8.
It should be understood that the above-mentioned embodiments are only illustrative of the technical concepts and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes or modifications made according to the spirit of the main technical scheme of the invention are covered in the protection scope of the invention.
Claims (5)
1. A high pressure syringe cylinder rotation fixture with plunger limiting, comprising: the high-pressure syringe comprises a syringe protective sleeve (1) sleeved on the outer side of a syringe (4) of the high-pressure syringe and a syringe seat (2) fixedly matched with one end of the syringe protective sleeve (1), wherein the syringe seat (2) is provided with a plurality of elastic plunger pieces (3) positioned in the radial direction of the syringe protective sleeve (1), and the syringe protective sleeve (1) is provided with an annular groove (10) matched with the elastic plunger pieces (3);
the syringe further comprises a first cover plate (5) which is fixedly matched with the syringe seat (2) and is fixed with the syringe protective sleeve (1), and a flooding plug valve (6) which is positioned between the syringe seat (2) and the first cover plate (5) and is attached to the syringe protective sleeve (1);
the injection device is characterized by also comprising a second cover plate (7) for fixing the front end of the high-pressure injector needle cylinder (4) and a flange cover plate (8) sleeved outside the second cover plate (7), wherein the flange cover plate (8) is provided with a gap (82), and the front end of the needle cylinder (4) is provided with a flange (40) matched with the gap (82);
the device also comprises a columnar piece (9) which is arranged on the flange cover plate (8) and can be correspondingly inserted into the limiting hole (76) of the second cover plate (7), and the moving direction of the columnar piece (9) is mutually parallel to the central axial direction of the second cover plate (7) and the flange cover plate (8);
a connecting part is arranged between the first cover plate and the second cover plate.
2. The high pressure injector syringe rotational securing device of claim 1, wherein: the second cover plate comprises a cover plate hole, a pair of rib plates oppositely arranged at the edge of the cover plate hole, and rotation stopping convex blocks arranged on the corresponding rib plates.
3. The apparatus of claim 1, further comprising a friction ring disposed between the flange cover plate and the second cover plate for preventing metal damage from direct friction between the flange cover plate and the second cover plate.
4. The high pressure injector syringe rotational fixation of claim 3, wherein: the flange cover plate, the first cover plate and the second cover plate are made of metal materials, and the friction ring is made of wear-resistant materials.
5. The method for rotationally fixing a high-pressure syringe cylinder with a plunger-limited high-pressure syringe cylinder rotational fixing device according to any one of claims 1 to 4, comprising:
step1: inserting the needle cylinder protective sleeve into the needle cylinder seat, wherein a plurality of elastic column plug pieces are arranged on the needle cylinder seat, and after the needle cylinder protective sleeve is completely inserted into the needle cylinder seat, steel balls at the front end of the elastic column plug pieces slide into an annular groove of the needle cylinder protective sleeve to form preliminary fixation;
step2: then the general plug valve at the inner hole of the first cover plate is attached to the needle cylinder protective sleeve through deformation to form secondary fixation;
step3: inserting the high-pressure syringe needle cylinder into the needle cylinder protective sleeve and simultaneously ensuring that the flange direction of the high-pressure syringe needle cylinder faces to the right upper side and is aligned with the mark on the needle cylinder protective sleeve;
step4: turning over the flange cover plate, wherein the notch of the flange cover plate is fit with the flange at the moment, and the flange cover plate and the high-pressure injector needle cylinder rotate simultaneously at the moment;
step5: the flange cover plate is rotated clockwise, after the flange cover plate is rotated by 90 degrees, the flange cover plate (8) is sleeved on the outer side of the second cover plate (7), the columnar head of the columnar piece installed on the flange cover plate enters the limiting hole of the second cover plate, and the flange cover plate (8) can only rotate clockwise by 90 degrees on the second cover plate (7) until the end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710412079.2A CN107137803B (en) | 2017-06-02 | 2017-06-02 | High-pressure injector needle cylinder rotation fixing device with plunger limiting function and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710412079.2A CN107137803B (en) | 2017-06-02 | 2017-06-02 | High-pressure injector needle cylinder rotation fixing device with plunger limiting function and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107137803A CN107137803A (en) | 2017-09-08 |
| CN107137803B true CN107137803B (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710412079.2A Active CN107137803B (en) | 2017-06-02 | 2017-06-02 | High-pressure injector needle cylinder rotation fixing device with plunger limiting function and method |
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| CN (1) | CN107137803B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111939378A (en) * | 2019-05-17 | 2020-11-17 | 南京感控通化工产品经营部 | High-pressure injection device and high-pressure injection system |
| CN110448757A (en) * | 2019-06-25 | 2019-11-15 | 南京感控通化工产品经营部 | A kind of syringe and injector system loaded with pressure sleeve rotation |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5779675A (en) * | 1995-08-25 | 1998-07-14 | Medrad, Inc. | Front load pressure jacket system with syringe holder |
| US7549977B2 (en) * | 2002-12-20 | 2009-06-23 | Medrad, Inc. | Front load pressure jacket system with syringe holder and light illumination |
| US20060106347A1 (en) * | 2004-11-17 | 2006-05-18 | Liebel-Flarsheim Company | Disposable front loadable syringe and injector |
| US20110251481A1 (en) * | 2009-10-15 | 2011-10-13 | Strobl Geoffrey S | Piezoelectrically-Driven Power Injector |
| CA2925736C (en) * | 2013-10-18 | 2021-11-02 | Bayer Healthcare Llc | Magnetic pressure jacket for fluid injector |
| CN203647808U (en) * | 2013-11-22 | 2014-06-18 | 华耀星辰（上海）医疗设备有限公司 | Needle cylinder connecting device for injector |
| CN207679808U (en) * | 2017-06-02 | 2018-08-03 | 南京感控通化工产品经营部 | High pressure injector syringe rotary fixing device with plunger limit |
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2017
- 2017-06-02 CN CN201710412079.2A patent/CN107137803B/en active Active
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