CN211357135U - Pre-filled syringe - Google Patents
Pre-filled syringe Download PDFInfo
- Publication number
- CN211357135U CN211357135U CN201922227201.6U CN201922227201U CN211357135U CN 211357135 U CN211357135 U CN 211357135U CN 201922227201 U CN201922227201 U CN 201922227201U CN 211357135 U CN211357135 U CN 211357135U
- Authority
- CN
- China
- Prior art keywords
- disinfection
- conical head
- cap
- filled syringe
- syringe
- 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.)
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- 229940071643 prefilled syringe Drugs 0.000 title claims abstract description 36
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 95
- 230000000249 desinfective effect Effects 0.000 claims abstract description 10
- 230000001954 sterilising effect Effects 0.000 claims description 13
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- 239000000645 desinfectant Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 7
- 238000005406 washing Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 1
- 238000011010 flushing procedure Methods 0.000 description 6
- 229920000742 Cotton Polymers 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 208000007536 Thrombosis Diseases 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 208000001848 dysentery Diseases 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a pre-filled syringe, which comprises a syringe main body and a disinfection cover cap which is spirally covered on a conical head of the syringe, wherein a disinfection structure for disinfecting the conical head in a contact way is fixedly arranged on the inner side of the package of the disinfection cover cap; the device also comprises a backing ring which is detachably pressed between the disinfection cover cap and the injector main body and is used for separating the disinfection structure and the conical head. Backing ring frame adorns when disinfecting between block and the conical head, erect the disinfection block, erect the separation between the top of disinfection structure and conical head, when the pre-filled syringe uses, the disinfection block takes off on by the conical head, take out the backing ring and install the disinfection block back again, the disinfection block is revolved and is offset to the top of conical head, the top contact of disinfection structure and conical head, disinfect to the positive pressure head of conical head, take off the disinfection block after the disinfection, can carry out follow-up washing and tube sealing operation, the disinfection mode is simple, the convenience in use of pre-filled syringe has been improved.
Description
Technical Field
The utility model relates to the technical field of medical equipment, more specifically say, relate to a pre-filled syringe.
Background
Intravenous indwelling catheters such as indwelling needles, infusion ports and central venous catheters are widely used, and these consumables are required to be indwelling in a patient body in clinical application, so that the catheter indwelling in the body must be flushed and sealed during the period of time when medicine replacement is required or infusion is stopped temporarily, otherwise thrombus may be generated, and the catheter is blocked. In order to avoid the risks of drug contamination and environmental contamination in the operation process of the clinical flushing and sealing tube, a prefilled syringe which is filled with fluid for flushing a catheter, such as physiological saline, is available in the market at present.
Before the pre-filled syringe on the market is used, a protective cap needs to be unscrewed, then an alcohol cotton swab is used for disinfecting a conical head of the syringe, and then the alcohol cotton swab is used for disinfecting an indwelling catheter interface to be connected with the syringe or a positive pressure connector connected with the interface. Thus, the two-step disinfection increases the work of operators in the use process, and can cause pollution of the indwelling catheter interface or the positive pressure joint and harm to patients due to incomplete manual disinfection of the operators. Moreover, the alcohol cotton swab can only disinfect the surface of the indwelling catheter interface or the positive pressure joint, but can not disinfect the interior of the indwelling catheter interface or the positive pressure joint, and the disinfection is not thorough.
Therefore, how to improve the convenience of using the prefilled syringe is a problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a pre-filled syringe to improve the convenience of using the pre-filled syringe.
In order to achieve the above object, the utility model provides a following technical scheme:
a pre-filled syringe comprises a syringe main body and a disinfection cover cap which is arranged on a conical head of the syringe main body in a screw cap mode, wherein a disinfection structure for disinfecting the conical head in a contact mode is fixedly arranged on the inner side of the package of the disinfection cover cap;
the device also comprises a backing ring which is detachably pressed between the disinfection cover cap and the injector main body and separates the disinfection structure and the conical head.
Preferably, in the above-described prefilled syringe, the sterilizing structure is a sterilizing sponge.
Preferably, in the above-described prefilled syringe, the disinfectant of the disinfection sponge is 70% isopropyl alcohol or 75% alcohol.
Preferably, in the pre-filled syringe, the sterilizing sponge is injection-molded and fixedly mounted in the sterilizing cap.
Preferably, in the pre-filled syringe, the sterilizing cap is a polypropylene sterilizing cap integrally injection-molded.
Preferably, in the pre-filled syringe, the backing ring is provided with a pressing ring groove sleeved on the outer ring of the conical head thread.
The utility model provides a pre-filled syringe, which comprises a syringe main body and a disinfection cover cap which is arranged on a conical head of the syringe main body in a screw cap way, wherein a disinfection structure for disinfecting the conical head in a contact way is fixedly arranged on the inner side of the package of the disinfection cover cap; the device also comprises a backing ring which is detachably pressed between the disinfection cover cap and the injector main body and is used for separating the disinfection structure and the conical head. The disinfection cap is fixedly arranged on a conical head of the injector main body in a threaded manner, a cushion ring is erected between the disinfection cap and the conical head, a disinfection structure is arranged on the inner side of an end cap of the disinfection cap, when the cushion ring is erected between the disinfection cap and the conical head, the disinfection cap is erected by the cushion ring when the disinfection cap is screwed onto the conical head, the inner side of a package of the disinfection cap is erected and cannot be screwed to the bottom of the conical head, the disinfection structure is separated from the top of the conical head, when the pre-filled injector is used, the disinfection cap is taken down from the conical head, after the cushion ring is taken out and the disinfection cap is re-installed, the disinfection cap is screwed onto the top of the conical head and abuts against the top of the conical head, the disinfection structure is contacted with the top of the conical head, the positive pressure head of the conical head is disinfected, the disinfection cap is taken down after disinfection, subsequent pipe punching and pipe sealing operations can be carried out, the disinfection.
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 these drawings without creative efforts.
Fig. 1-1 is a schematic structural view of a prefilled syringe provided by the present invention;
FIG. 1-2 is an enlarged view of a portion of FIG. 1-1 at A1;
fig. 2-1 is a schematic structural view of a first use state of the pre-filled syringe provided by the present invention;
FIG. 2-2 is an enlarged fragmentary view taken at A2 in FIG. 2-1;
fig. 3-1 is a schematic structural view of a second use state of the pre-filled syringe provided by the present invention;
fig. 3-2 is an enlarged view of a portion of fig. 3-1 at a 3.
Detailed Description
The utility model discloses a pre-filled syringe, which improves the use convenience of the pre-filled syringe.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-1-3-2, fig. 1-1 is a schematic structural view of a pre-filled syringe provided by the present invention; FIG. 1-2 is an enlarged view of a portion of FIG. 1-1 at A1; fig. 2-1 is a schematic structural view of a first use state of the pre-filled syringe provided by the present invention; FIG. 2-2 is an enlarged fragmentary view taken at A2 in FIG. 2-1; fig. 3-1 is a schematic structural view of a second use state of the pre-filled syringe provided by the present invention; fig. 3-2 is an enlarged view of a portion of fig. 3-1 at a 3.
The embodiment provides a pre-filled syringe, which comprises a syringe main body 5 and a disinfection cap 1 which is spirally covered on a conical head 4 of the syringe main body, wherein a disinfection structure 2 for disinfecting the conical head 4 in a contact manner is fixedly arranged on the inner side of the package of the disinfection cap 1; the device also comprises a backing ring 3 which is detachably pressed between the disinfection cap 1 and the syringe body 5 and used for separating the disinfection structure 2 from the conical head 4. The disinfection cover cap 1 is fixedly arranged on a conical head 4 of the injector main body 5 in a threaded manner, a backing ring 3 is erected between the disinfection cover cap 1 and the conical head 4, and a disinfection structure 2 is arranged on the inner side of the sealed end of the disinfection cover cap 1.
As shown in fig. 2-1 and 2-2, when the backing ring 3 is erected between the disinfection cap 1 and the conical head 4, when the disinfection cap 1 is screwed onto the conical head 4, the backing ring 3 erects the disinfection cap 1, the inner side of the package of the disinfection cap 1 is erected and cannot be screwed to the bottom of the conical head 4, the disinfection structure 2 is separated from the top of the conical head 4, an installation gap 21 exists between the disinfection structure and the conical head, and the disinfection structure can be prevented from polluting liquid medicine in the syringe main body 5 in the transfer process.
As shown in fig. 3-1 and 3-2, when the pre-filled syringe is used, the disinfection cap 1 is taken down from the conical head 4, after the disinfection cap 1 is taken out and reinstalled by taking out the backing ring 3, the disinfection cap 1 is screwed to the top of the conical head 4 to be abutted, the disinfection structure 2 is contacted with the top of the conical head 1 to disinfect the positive pressure head of the conical head 1, the disinfection cap 1 is taken down after disinfection, subsequent tube flushing and tube sealing operations can be performed, the disinfection mode is simple, and the use convenience of the pre-filled syringe is improved.
Specifically, after the disinfection cap 1 disinfects the syringe main body 5, the disinfection cap 1 is taken down and is installed at the positive pressure joint of the indwelling catheter, the positive pressure joint of the indwelling catheter is disinfected, the disinfection cap 1 is taken down after disinfection, the prefilled syringe is used for flushing and sealing the catheter, after the flushing and sealing operations are finished, the disinfection cap 1 is installed at the interface or the positive pressure joint of the indwelling catheter, and the sterile state of the interface or the positive pressure joint of the indwelling catheter is maintained. In the pipe washing process, the disinfection operation of an alcohol cotton swab for an interface or a positive pressure joint is omitted, and the disinfection protective cap 1 is directly used for disinfection; the screw-in type disinfection mode is more thorough than the surface wiping disinfection mode; after the operation of the flushing and sealing pipe is finished, the disinfection cover cap 1 can be continuously arranged at the position of the indwelling catheter, and the sterile state of the indwelling catheter is ensured.
In one embodiment of the present disclosure, the disinfecting structure 2 is a disinfecting sponge. The disinfectant for sterilizing the sponge is 70% isopropanol or 75% alcohol.
In one embodiment of the present disclosure, the disinfection sponge is fixed in the disinfection cap 1 by injection molding. The disinfection cap 1 is a disinfection cap which is integrally formed by injection molding of polypropylene materials. The disinfection cap 1 is made of polypropylene materials and is formed in a mold in a one-time processing mode, disinfection sponge is fixed in the disinfection cap 1 through secondary injection molding, and the disinfection cap 1 adopts a standard Ruhr locking joint of 6:100, so that the universality of the use is guaranteed.
In an embodiment of the scheme, the backing ring 3 is provided with a pressing ring groove sleeved on a threaded outer ring of the conical head 4. By syringe main part 5, backing ring 3 and disinfection block 1 are the plastics material, backing ring 3 erects disinfection block 1 and syringe main part 5, make disinfection block 1 can not the spiral installation to the screw thread bottom of conical head 4, for guaranteeing the connection structure stability of three, the one end setting that offsets backing ring 3 and conical head 4 compresses tightly the annular, the tip of conical head 4 clamps to the backing ring 3 compress tightly the annular in, radially fix a position the two, make the two fix a position as an organic whole, and then guarantee the connection structure stability of disinfection block on the conical head.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A pre-filled syringe is characterized by comprising a syringe main body and a disinfection cover cap which is arranged on a conical head of the syringe main body in a screw cap mode, wherein a disinfection structure for disinfecting the conical head in a contact mode is fixedly arranged on the inner side of the package of the disinfection cover cap;
the device also comprises a backing ring which is detachably pressed between the disinfection cover cap and the injector main body and separates the disinfection structure and the conical head.
2. A pre-filled syringe as set forth in claim 1, wherein said sterilizing structure is a sterilizing sponge.
3. The pre-filled syringe according to claim 2, wherein the disinfectant of the disinfectant sponge is 70% isopropyl alcohol or 75% alcohol.
4. A pre-filled syringe as set forth in claim 2, wherein said sterilizing sponge is injection-molded and fixed in said sterilizing cap.
5. A pre-filled syringe as set forth in claim 1, wherein said sterilizing cap is a polypropylene-material integrally injection-molded sterilizing cap.
6. A pre-filled syringe as set forth in claim 1, wherein said rim has a pressing ring groove fitted around said tapered thread outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922227201.6U CN211357135U (en) | 2019-12-11 | 2019-12-11 | Pre-filled syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922227201.6U CN211357135U (en) | 2019-12-11 | 2019-12-11 | Pre-filled syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211357135U true CN211357135U (en) | 2020-08-28 |
Family
ID=72150154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922227201.6U Active CN211357135U (en) | 2019-12-11 | 2019-12-11 | Pre-filled syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211357135U (en) |
-
2019
- 2019-12-11 CN CN201922227201.6U patent/CN211357135U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |