CN110448766A - Syringe - Google Patents
Syringe Download PDFInfo
- Publication number
- CN110448766A CN110448766A CN201910825974.6A CN201910825974A CN110448766A CN 110448766 A CN110448766 A CN 110448766A CN 201910825974 A CN201910825974 A CN 201910825974A CN 110448766 A CN110448766 A CN 110448766A
- Authority
- CN
- China
- Prior art keywords
- syringe
- sealing ring
- piston
- wall
- cylindrical section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- A61M5/178—Syringes
-
- 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
- A61M5/31513—Piston constructions to improve sealing or sliding
-
- 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
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
- A61M5/347—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub rotatable, e.g. bayonet or screw
-
- 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
- A61M2005/3131—Syringe barrels specially adapted for improving sealing or sliding
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 present invention discloses a kind of syringe, including syringe, piston and sealing ring, piston are slidably set in syringe；Sealing ring is located between the outer wall of piston and the inner wall of syringe, and sealing ring is independently equipped at least three and is distributed along the axially spaced-apart of syringe, and sealing ring is formed with chamfering close to the side of the inner wall of syringe.Technical solution of the present invention then improves the sealing effect between piston and syringe by being independently arranged at least three sealing rings and being spaced apart along the axis of syringe.In addition, sealing ring is located between the outer wall of piston and the inner wall of syringe, then in injection process, the end face of liquid piston directly contacts, its contact area between sealing ring is reduced, and then reduces the bubbles volume generated when sealing ring is contacted with liquid, reduces the influence to radiography work.Sealing ring is formed with chamfering close to the side of the inner wall of syringe, then in injection process, sliding process of the chamfering to sealing ring with respect to syringe has guiding role.
Description
Technical field
The present invention relates to field of medical technology, in particular to a kind of syringe.
Background technique
Current some high-pressure contrast syringes include syringe, and a rubber plug is arranged in the tail end equipped with piston in syringe, are passed through
The rubber plug realizes the sealing of syringe.However, rubber plug setting is to be easy to fall off in tail end, and sealing effect is poor.
Above content is only used for the technical solution that auxiliary understands the application, does not represent and recognizes that above content is existing skill
Art.
Summary of the invention
The main object of the present invention is to propose a kind of syringe, it is intended to reduce the influence that rubber plug works to radiography.
To achieve the above object, syringe proposed by the present invention, including syringe, piston and sealing ring, the piston can be slided
It is dynamic to be set in the syringe；The sealing ring is located between the outer wall of the piston and the inner wall of the syringe, the sealing
Circle is independent to be equipped at least three and is distributed along the axially spaced-apart of the syringe, the sealing ring close to the syringe inner wall one
Side is formed with chamfering.
Optionally, the piston includes conical section and the cylindrical section for connecting the conical section, and the sealing ring is sheathed on institute
It states outside cylindrical section.
Optionally, the junction of the cylindrical section and the conical section is formed with joint face, the sealing ring and the company
There is spacing between junction.
Optionally, the spacing is L, 0.5mm≤L≤10mm.
Optionally, by the inner wall direction of the axis of the syringe to the syringe, the thickness of the sealing ring is gradually
Reduce.
Optionally, the side walls collapse of the cylindrical section is formed fluted, and the sealing ring is caught in the groove.
Optionally, there are two clamping part, described two clamping parts away from the end face projection of the conical section for the cylindrical section
Center symmetric setting about the end face.
Optionally, the cylindrical section is formed with inserting groove away from one end of the conical section.
Optionally, the syringe includes cylinder and the syringe needle connecting tube for being connected to described cylinder one end, the syringe needle connection
Pipe is connected to the cylinder, and the piston is set in the cylinder；The outer wall of the syringe needle connecting tube is formed with external screw thread；With/
Or, the outer wall of the syringe needle connecting tube is convexly equipped with positioning cams.
Optionally, the material of the sealing ring is rubber or silica gel；The material of the piston is acrylonitrile-butadiene-
Styrol copolymer or polycarbonate.
Technical solution of the present invention is then mentioned by being independently arranged at least three sealing rings and being spaced apart along the axis of syringe
High sealing ring avoids gap stream of the liquid in syringe between piston and syringe to the sealing effect between piston and syringe
Out.In addition, sealing ring is located between the outer wall of piston and the inner wall of syringe, then in injection process, liquid by with piston
End face directly contact, its contact area between sealing ring is reduced, to reduce sealing ring and production when liquid contacts
Raw bubbles volume reduces the influence to radiography work.Sealing ring is formed with chamfering close to the side of the inner wall of syringe, then is infusing
During penetrating, sliding process of the chamfering to sealing ring with respect to syringe has guiding role, avoid sealing ring and syringe inner wall it
Between stuck phenomenon occurs.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the configuration schematic diagram of one embodiment of syringe of the present invention；
Fig. 2 is the front view of one embodiment of syringe of the present invention；
Fig. 3 is the cross-sectional view of A-A in Fig. 2；
Fig. 4 is the partial enlarged view in Fig. 3；
Fig. 5 is the schematic perspective view of piston in syringe of the present invention.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of syringe.
In embodiments of the present invention, incorporated by reference to referring to Fig. 2 to Fig. 5, which includes syringe 100, piston 200 and sealing
Circle 300, piston 200 are slidably set in syringe 100；Sealing ring 300 is located in the outer wall of piston 200 and the inner wall of syringe 100
Between, sealing ring 300 is independent to be equipped at least three and is distributed along the axially spaced-apart of syringe 100, and sealing ring 300 is close to syringe 100
The side of inner wall be formed with chamfering 310.
By the way that the sliding of piston 200 to be set in syringe 100, then in injection process, piston 200 is pushed to transport under external force
When dynamic, the liquid in syringe 100 can be driven to flow to by syringe needle connected to it in patient body, to complete injection process.It is logical
It crosses between the inner wall of outer wall and syringe 100 that sealing ring 300 is located in piston 200, then sealing ring 300 is to piston 200 and needle
Sealing effect is played between cylinder 100.Further, it fully according to the shape adaptation of piston 200 and is sheathed on relative to sealing element
Scheme outside piston 200, sealing ring 300 has been independently arranged at least three in the present embodiment, then on the one hand equally can satisfy
Cost can also be reduced under the premise of sealing effect；On the other hand, sealing ring 300 is independently arranged at least three and along syringe 100
Axially spaced-apart distribution, then it will be appreciated that the contact area of sealing ring 300 and piston 200 is less than the face of 200 outer surface of piston
Product, and the end face of piston 200 can direct contact liq, thus generation when flexible sealing ring 300 being avoided to contact with liquid
More bubble, and then reduce the influence to radiography work.By in sealing ring 300 close to the side of the inner wall of syringe 100
It is formed with chamfering 310, then when pushing piston 200 in injection process so that fine motion inclination occurs for piston 200, can avoid sealing ring
There is stuck situation between 300 and 100 inner wall of syringe, to have certain guide effect, in addition also makes sealing ring 300
Contact area between 100 inner wall of syringe reduces, to reduce the resistance between sealing ring 300 and syringe 100.
In order to which with preferable sealing effect, the material is soft for the material opposing pistons 200 of sealing ring 300.Specifically, close
The material of seal 300 can be rubber or silica gel, certainly can also be other elastomers；The material of piston 200 can be propylene
Nitrile-butadiene-styrene copolymer (Acrylonitrile Butadiene Styrene plastic, abbreviation ABS) or poly- carbon
Acid esters (Polycarbonate, abbreviation PC), naturally it is also possible to be Other Engineering plastic material.
In addition, specifically, sealing ring 300 can have there are three, four or more.Each adjacent two sealing ring 300 it
Between spacing may be the same or different.It is understood that in order to guarantee more preferably sealing effect, in the present embodiment, sealing ring
300 are interference fitted with syringe 100.
Technical solution of the present invention is by being independently arranged at least three for sealing ring 300 and along the axis interval of syringe 100
Distribution, then improve sealing ring 300 to the sealing effect between piston 200 and syringe 100, avoid liquid in syringe 100 from
Gap outflow between piston 200 and syringe 100.In addition, sealing ring 300 is located in the interior of the outer wall of piston 200 and syringe 100
Between wall, then in injection process, liquid is reduced between sealing ring 300 by directly contacting with the end face of piston 200
Contact area reduces the influence to radiography work to reduce the bubbles volume generated when sealing ring 300 is contacted with liquid.
Further, sealing ring 300 is formed with chamfering 310 close to the side of the inner wall of syringe 100, then in injection process, the chamfering
310 pairs of sealing rings 300 have guiding role with respect to the sliding process of syringe 100, avoid sealing ring 300 and 100 inner wall of syringe it
Between stuck phenomenon occurs.
Further, incorporated by reference to referring to Fig. 3 and Fig. 5, piston 200 includes conical section 220 and the cylinder for connecting conical section 220
Section 210, sealing ring 300 is sheathed on outside cylindrical section 210.
By the way that conical section 220 is arranged, then in injection process, contacting first with liquid is tapered surface, relative to plane,
Resistance between the tapered surface and liquid of conical section 220 is smaller, consequently facilitating injection.In addition, sealing ring 300 is sheathed on cylindrical section
Outside 210, then the liquid in syringe is difficult to excessively contact with sealing ring 300, to reduce due to liquid is contacted with sealing ring 300
The bubble phenomenon of generation, and then be conducive to doctor and carry out radiography work.
Further, joint face is formed with incorporated by reference to referring to Fig. 3 and Fig. 5, cylindrical section 210 and the junction of conical section 220
201, there is spacing between sealing ring 300 and joint face 201.
By being provided with spacing between sealing ring 300 and joint face 201, then in injection process, conical section 220 and cylinder
Junction between section 210 can undertake a part injection resistance, to guarantee that sealing ring 300 is located in piston relatively stablely
Between 200 and syringe 100, and then guarantee that sealing ring 300 has good leakproofness.
Further, as shown in figure 4, defining the spacing is L, 0.5mm≤L≤10mm.For example, spacing L can be
0.5mm、1mm、1.5mm、2mm、2.5mm、3mm、3.5mm、4mm、4.5mm、5mm、5.5mm、6mm、6.5mm、7mm、7.5mm、
8mm, 8.5mm, 9mm, 9.5mm or 10mm etc..It is understood that as L < 0.5mm, then spacing is too small, to be difficult to make
The junction obtained between conical section 220 and cylindrical section 210 undertakes more injection resistance；After L > 10mm, spacing is excessive, then
It is difficult to ensure when at least three sealing rings 300 with enough installation spaces.
Further, in this embodiment by the axis of syringe 100 to the inner wall direction of syringe 100, the thickness of sealing ring 300
Degree size is gradually reduced.
By above-mentioned setting, then the area for making sealing ring 300 abut the side of syringe 100 is smaller, on the one hand make
The contact between sealing ring 300 and syringe 100 is obtained closer to line face contact, thus the sealing effect of lift-off seal circle 300；Separately
On the one hand, in injection process, its frictional resistance between syringe 100 can also be reduced, consequently facilitating injection work.Specifically
Ground, the cross-sectional shape of sealing ring 300 can be trapezoidal or triangle.
Certainly, in other embodiments, the shape of sealing ring 300 can also be rectangle or other shapes etc., the present invention
It is not limited only to above-mentioned several shapes.
Further, fluted 211 are formed incorporated by reference to the side walls collapse referring to Fig. 3 and Fig. 5, cylindrical section 210, sealing ring
300 are caught in groove 211.So set, sealing ring 300 is then enabled more to be stably installed on piston 200.Specifically
The shape on ground, groove 211 can with no restriction, such as can be the other shapes such as circular ring shape or rectangle.
Certainly, in other embodiments, it can also be convexly equipped with positioning column in the side wall of cylindrical section 210, in sealing ring 300
Wall offers slot, and positioning column is inserted into slot.
In the present embodiment, as shown in figure 5, cylindrical section 210 away from conical section 220 end face projection there are two clamping part 212,
Center symmetric setting of two clamping parts 212 about end face.
It by above-mentioned setting, is then connect convenient for push rod with piston 200, specifically, push rod, which has to buckle with clamping part 212, to be connected
The auxiliary section connect, so that doctor can push piston 200 in needle by push rod after auxiliary section and clamping part 212 snap connection
Sliding in cylinder 100, and then complete injection process.
Certainly, in other embodiments, clamping part 212 can also be equipped with 3,4 or more, and multiple clamping parts 212 can
It is uniformly distributed in a ring, the center of the annular can be overlapped with cylindrical section 210 away from the center of the end face of conical section 220.
Further, as shown in figure 5, cylindrical section 210 is formed with inserting groove 213 away from one end of conical section 220.
It is understood that the part of push rod can be inserted into the inserting groove 213, thus before push rod is connect with piston 200
It can be by the pre-determined bit effect for being partially inserted into inserting groove 213 and realizing push rod and piston 200 of push rod, to easily facilitate push rod
With the subsequent connection of piston 200.Specifically, which can extend along the length direction of cylindrical section 210 and can be located at cylinder
At the center of section 210.
Further, as shown in Figure 1, syringe 100 includes cylinder 110 and the syringe needle connecting tube for being connected to 110 one end of cylinder
120, syringe needle connecting tube 120 is connected to cylinder 110, and piston 200 is set in cylinder 110；The outer wall of syringe needle connecting tube 120 is formed with
External screw thread 121.
Syringe needle connecting tube 120 is used for connecting needle, is connected to by syringe needle connecting tube 120 with cylinder 110, then in cylinder 110
Liquid syringe needle connecting tube 120 passed through by the promotion of piston 200 flow at syringe needle, and then realize that the injection to patient is imitated
Fruit.The outer wall of syringe needle connecting tube 120 is formed with external screw thread 121, then is connected through a screw thread convenient for the syringe with other connecting tubes.
In another embodiment, the outer wall of syringe needle connecting tube 120 can also be convexly equipped with positioning cams 122.Then syringe needle connects
Pipe 120 can also be connect by the positioning cams 122 with other component, such as the component can be 100 plug of syringe, the plug
There can be the locating slot with positioning protrusion cooperation, positioning protrusion is caught in locating slot, to enhance 100 plug of syringe and syringe needle company
The connective stability of adapter tube 120.
The foregoing is merely alternative embodiments of the invention, are not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of syringe characterized by comprising
Syringe；
Piston, the piston are slidably set in the syringe；And
Sealing ring, the sealing ring are located between the outer wall of the piston and the inner wall of the syringe, and the sealing ring is independent
It is distributed equipped at least three and along the axially spaced-apart of the syringe, the sealing ring is formed close to the side of the inner wall of the syringe
There is chamfering.
2. syringe as described in claim 1, which is characterized in that the piston includes conical section and the connection conical section
Cylindrical section, the sealing ring are sheathed on outside the cylindrical section.
3. syringe as claimed in claim 2, which is characterized in that the junction of the cylindrical section and the conical section is formed with
Joint face has spacing between the sealing ring and the joint face.
4. syringe as claimed in claim 3, which is characterized in that the spacing is L, 0.5mm≤L≤10mm.
5. syringe as claimed in claim 2, which is characterized in that by the axis of the syringe to the inner wall side of the syringe
To the thickness of the sealing ring is gradually reduced.
6. syringe as claimed in claim 2, which is characterized in that the side walls collapse of the cylindrical section formed it is fluted, it is described
Sealing ring is caught in the groove.
7. the syringe as described in any one of claim 2 to 6, which is characterized in that the cylindrical section deviates from the taper
There are two clamping part, center symmetric setting of described two clamping parts about the end face for the end face projection of section.
8. syringe as claimed in claim 7, which is characterized in that the cylindrical section is formed with away from one end of the conical section
Inserting groove.
9. the syringe as described in any one of claim 1 to 6, which is characterized in that the syringe includes cylinder and connection
Syringe needle connecting tube in described cylinder one end, the syringe needle connecting tube are connected to the cylinder, and the piston is set to the cylinder
It is interior；The outer wall of the syringe needle connecting tube is formed with external screw thread；
And/or the outer wall of the syringe needle connecting tube is convexly equipped with positioning cams.
10. the syringe as described in any one of claim 1 to 6, which is characterized in that the material of the sealing ring is rubber
Or silica gel；The material of the piston is acrylonitrile-butadiene-styrene copolymer or polycarbonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910825974.6A CN110448766A (en) | 2019-08-30 | 2019-08-30 | Syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910825974.6A CN110448766A (en) | 2019-08-30 | 2019-08-30 | Syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110448766A true CN110448766A (en) | 2019-11-15 |
Family
ID=68490498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910825974.6A Pending CN110448766A (en) | 2019-08-30 | 2019-08-30 | Syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110448766A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359058A (en) * | 2020-04-10 | 2020-07-03 | 山东威高普瑞医药包装有限公司 | Syringe with self-lubricating function |
| CN111658847A (en) * | 2020-07-09 | 2020-09-15 | 北京大学深圳医院 | Multi-section type syringe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060178643A1 (en) * | 2004-12-27 | 2006-08-10 | Daikyo Seiko, Ltd. | Syringe piston |
| US20120165754A1 (en) * | 2009-12-22 | 2012-06-28 | Medtronic Minimed, Inc. | Syringe piston with fin-shaped circumferential sealing element |
| US20140228802A1 (en) * | 2013-02-12 | 2014-08-14 | Abbvie Inc. | Syringe with two-stage sealing pressure |
| CN207041707U (en) * | 2017-09-12 | 2018-02-27 | 南阳医学高等专科学校第一附属医院 | A kind of syringe |
| CN211096710U (en) * | 2019-08-30 | 2020-07-28 | 深圳安特医疗股份有限公司 | Syringe with a needle |
-
2019
- 2019-08-30 CN CN201910825974.6A patent/CN110448766A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060178643A1 (en) * | 2004-12-27 | 2006-08-10 | Daikyo Seiko, Ltd. | Syringe piston |
| US20120165754A1 (en) * | 2009-12-22 | 2012-06-28 | Medtronic Minimed, Inc. | Syringe piston with fin-shaped circumferential sealing element |
| US20140228802A1 (en) * | 2013-02-12 | 2014-08-14 | Abbvie Inc. | Syringe with two-stage sealing pressure |
| CN207041707U (en) * | 2017-09-12 | 2018-02-27 | 南阳医学高等专科学校第一附属医院 | A kind of syringe |
| CN211096710U (en) * | 2019-08-30 | 2020-07-28 | 深圳安特医疗股份有限公司 | Syringe with a needle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359058A (en) * | 2020-04-10 | 2020-07-03 | 山东威高普瑞医药包装有限公司 | Syringe with self-lubricating function |
| CN111658847A (en) * | 2020-07-09 | 2020-09-15 | 北京大学深圳医院 | Multi-section type syringe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9770559B2 (en) | Syringe with clicking mechanism | |
| CN110448766A (en) | Syringe | |
| JP6088640B2 (en) | Drug injection device | |
| CN108472479B (en) | Erasing tip | |
| US11752270B2 (en) | Syringe with plunger reaction pressure reduction structure | |
| WO2023005226A1 (en) | Two-way valve, two-way valve assembly, and picc | |
| CN211096710U (en) | Syringe with a needle | |
| CN205515784U (en) | Plug, infusion connect and infusion pipeline subassembly | |
| US6409704B1 (en) | Retractable safety syringe | |
| CN211096711U (en) | Syringe with a needle | |
| CN110522973A (en) | Syringe | |
| CN209361646U (en) | Medical rotary type infusion connector | |
| CN216455224U (en) | Anesthesia catheter assembly | |
| CN202605444U (en) | Low-resistance piston assembly of syringe | |
| CN217339621U (en) | Syringe capable of preventing liquid from flowing back | |
| CN212214308U (en) | Positive pressure syringe needle component | |
| JPH08266624A (en) | Stopper for injector | |
| CN204840660U (en) | Novel anesthesia pipe joint | |
| CN201505343U (en) | rubber piston | |
| CN110898292B (en) | A syringe and its adapter | |
| CN209286370U (en) | A kind of disposable safety self-breaking injector | |
| WO2021180824A1 (en) | Plunger rod and syringe including same | |
| CN222566611U (en) | Joint assembly for extension tube of micropump | |
| CN207545133U (en) | For the puncture outfit of thoracoscopic operation | |
| CN221181060U (en) | Disposable medicine taking device for needleless injector assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |