CN109436423B - Vacuumizing and filling device and method for medical instrument - Google Patents
Vacuumizing and filling device and method for medical instrument Download PDFInfo
- Publication number
- CN109436423B CN109436423B CN201811560449.8A CN201811560449A CN109436423B CN 109436423 B CN109436423 B CN 109436423B CN 201811560449 A CN201811560449 A CN 201811560449A CN 109436423 B CN109436423 B CN 109436423B
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- filling
- cylinder
- injection
- pipeline
- sealing
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 56
- 238000002347 injection Methods 0.000 claims abstract description 52
- 239000007924 injection Substances 0.000 claims abstract description 52
- 239000003814 drug Substances 0.000 claims abstract description 25
- 229940079593 drug Drugs 0.000 claims abstract description 18
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 238000005086 pumping Methods 0.000 claims 1
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
- B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
Abstract
The invention provides a vacuumizing and filling device for medical equipment and a method thereof, wherein the vacuumizing and filling device comprises an upper cylinder, a lower cylinder, a connecting plate, a limiting cylinder, a bracket, a filling assembly and a sealing element, wherein the upper cylinder, the lower cylinder and the limiting cylinder are arranged on the connecting plate, the limiting cylinder is used for limiting the lifting progress of the upper cylinder and the lower cylinder, the output shafts of the upper cylinder and the lower cylinder are connected with the bracket, a plurality of filling assemblies are arranged on the bracket, the sealing element is fixedly connected below the filling assembly, the upper cylinder and the lower cylinder do lifting motion to drive the filling assembly and the sealing element to do lifting motion, the sealing element is hermetically sleeved on an injection cylinder body to vacuumize the injection cylinder body, and the filling assembly is used for filling medicines into the vacuumized injection cylinder body. The invention ensures that no air leakage exists in the process of filling the injection cylinder body with medicines, has small and exquisite structure, simplified process and convenient processing, is also suitable for large-scale medical appliances after the structure is amplified, and is easy to popularize in the market.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a vacuum filling device for medical instruments and a method thereof.
Background
In the field of medical instruments, in order to solve the problem that air is not mixed into a container and a product in the filling process of a dental reagent, but air usually stored in a syringe body and a filling valve is mixed into the dental reagent, and the syringe body used for the dental reagent has small diameter, large length and irregular shape, so that before filling, the air in the syringe body needs to be removed and then the filling is performed.
However, the existing vacuumizing mechanism is complex in structure, is not suitable for vacuumizing in the assembly process of small medical equipment products, cannot be applied to products with small volumes, and particularly cannot be applied or has high application cost when being filled.
In order to solve the problems, the invention provides a vacuumizing and filling device for medical instruments and a method thereof, which can finish vacuumizing and filling work for small medical instruments similar to a syringe body, and have the advantages of simple structure and convenient processing.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a vacuumizing and filling device for medical instruments and a method thereof, which can finish vacuumizing and filling work for small medical instruments similar to a syringe body, and have the advantages of simple structure and convenient processing.
The invention provides a vacuumizing and filling device for medical equipment, wherein the medical equipment is an injection cylinder body, the injection cylinder body comprises a cylinder body end face and an injection nozzle, the injection cylinder body comprises an upper cylinder, a lower cylinder, a connecting plate, a limiting cylinder, a support, a filling assembly and a sealing element, the upper cylinder, the lower cylinder and the limiting cylinder are arranged on the connecting plate, the limiting cylinder is used for limiting the lifting process of the upper cylinder and the lower cylinder, an output shaft of the upper cylinder and the lower cylinder is connected with the support, a plurality of filling assemblies are arranged on the support, the sealing element is fixedly connected below the filling assembly, the upper cylinder and the lower cylinder do lifting motion to drive the filling assemblies and the sealing element to do lifting motion, the sealing element is in sealing sleeve joint with the injection cylinder body so as to vacuumize the injection cylinder body, and the filling assembly is used for filling medicines into the vacuumized injection cylinder body.
Preferably, the filling assembly comprises a filling cavity, a filling valve and a filling pipeline, wherein the filling cavity is used for containing the medicine to be filled, the filling valve is arranged at the outlet of the filling cavity and used for controlling the output of the medicine to be filled, and the filling pipeline is connected with the filling valve and used for conveying the medicine to be filled to the syringe body.
Preferably, the filling components are four groups and are arranged on the bracket side by side.
Preferably, the filling assembly further comprises an input conduit in communication with the filling chamber for delivering a drug to be filled into the filling chamber.
Preferably, the sealing member comprises a fixed seat, an elastic sealing spring, a connecting pipeline, a filling valve nozzle and a vacuumizing pipeline, wherein the elastic sealing spring is arranged below the fixed seat, the fixed seat is of a cylinder structure, the connecting pipeline for connecting a filling pipeline is arranged at the central position of the fixed seat, the filling valve nozzle for filling medicines into the syringe body is arranged below the connecting pipeline, the vacuumizing pipeline is arranged at the transverse position below the sealing member, one end of the vacuumizing pipeline is communicated with the inner cavity of the syringe body, and the other end of the vacuumizing pipeline is communicated with an external vacuum pump.
Preferably, the filling valve mouth is of an elongated structure, and the diameter of the filling valve mouth is smaller than that of the connecting pipeline.
Preferably, the diameter of the filling valve nozzle is identical to the diameter of the injection nozzle, and sealing engagement is achieved when the filling valve nozzle is inserted into the injection nozzle.
Preferably, a sealing ring for clamping the end face of the cylinder is arranged below the sealing member.
The invention also provides a vacuumizing and filling method for the medical instrument, which comprises the following steps of:
s01, injecting a medicine to be filled into the filling cavity through an input pipeline, and sealing the input pipeline after filling is finished;
step S02, controlling the lifting process of the upper cylinder and the lower cylinder so that the upper cylinder and the lower cylinder drive the filling assembly and the sealing piece to move until the lower end face of the sealing piece is contacted with the end face of the injection cylinder body, and simultaneously inserting the filling valve nozzle into the injection nozzle;
step S03, controlling the movement process of the upper cylinder and the lower cylinder by a limiting cylinder, and adjusting the stroke of the upper cylinder and the lower cylinder to enable a gap with a preset distance to be reserved between a filling valve nozzle and an injection nozzle, so that air remained in the injection cylinder body can be pumped away from the gap by a vacuumizing pipeline until the vacuum degree in the injection cylinder body reaches a preset value;
step S04, the limiting cylinder moves downwards, the upper cylinder and the lower cylinder continue to move downwards and compress the elastic sealing spring, when the elastic sealing spring is compressed until the filling valve nozzle is completely inserted into the injection nozzle, the sealing between the valve nozzle and the injection nozzle is free from gaps, the filling valve is opened, and the filling valve fills medicines into the injection cylinder.
Preferably, in the step S04, the movement process of the upper and lower cylinders is controlled by a limiting cylinder.
The technical scheme provided by the invention has the beneficial effects that: the invention can realize rapid vacuumizing and filling work aiming at the miniaturized medical instrument, ensures no air leakage in the process of filling the injection cylinder body with medicines, has small structure, simplifies the process, is convenient to process, solves the problem of vacuumizing the miniaturized medical instrument, is also suitable for large-scale medical instruments after the structure is enlarged, and is easy to market popularization.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the front structure of a vacuum filling apparatus according to the present invention;
FIG. 2 is a schematic side view of a vacuum filling apparatus according to the present invention;
FIG. 3 is a cross-sectional view of a vacuum filling apparatus of the present invention;
fig. 4 is a cross-sectional view of a seal in accordance with the present invention.
Detailed Description
In order to make the contents of the present invention more clear and understandable, the contents of the present invention will be further described with reference to the accompanying drawings. Of course, the invention is not limited to this particular embodiment, and common alternatives known to those skilled in the art are also encompassed within the scope of the invention. In the following description, the present invention will be described in detail with reference to the drawings, which are not to be construed as limiting the invention, for the purpose of illustration and not as a definition of the limits of the invention.
The foregoing and other technical features and advantages of the present invention will be described in detail with reference to the following examples and the accompanying drawings. As shown in the drawings, fig. 1 is a schematic front view of a vacuum filling apparatus according to the present invention; FIG. 2 is a schematic side view of a vacuum filling apparatus according to the present invention; FIG. 3 is a cross-sectional view of a vacuum filling apparatus of the present invention; fig. 4 is a cross-sectional view of a seal in accordance with the present invention.
As shown in fig. 1-4, the present invention provides an evacuated filling device for medical devices, preferably syringe 400, the syringe 400 including a barrel end face 420 and a nozzle 410.
The vacuumizing filling device comprises an upper cylinder 100, a lower cylinder 100, a connecting plate 300, a limiting cylinder 200, a support 500, a filling assembly 600 and a sealing member 700, wherein the upper cylinder 100, the lower cylinder 100 and the limiting cylinder 200 are arranged on the connecting plate 300, the limiting cylinder 200 is used for limiting the lifting process of the upper cylinder 100 and the lower cylinder 100, an output shaft of the upper cylinder 100 is connected with the support 500, a plurality of filling assemblies 600 are arranged on the support 500, the sealing member 700 is fixedly connected below the filling assembly 600, the upper cylinder 100 and the lower cylinder 100 do lifting motion to drive the filling assembly 600 and the sealing member 700 to do lifting motion, the sealing member 700 is hermetically sleeved on the syringe 400 to vacuumize the syringe 400, and the filling assembly 600 is used for filling medicines into the vacuumized syringe 400.
Specifically, the filling assembly 600 includes a filling chamber for containing the drug to be filled, a filling valve disposed at an outlet of the filling chamber for controlling an output of the drug to be filled, and a filling pipe connected to the filling valve for delivering the drug to be filled to the syringe.
The filling assembly 600 in this embodiment further includes an input conduit in communication with the filling chamber for delivering a drug to be filled into the filling chamber.
To improve the filling efficiency, the filling assemblies 600 are arranged in four groups and are mounted side by side on the support 500.
Specifically, the sealing member 700 includes a fixing base 710, an elastic sealing spring 720, a connecting pipe 730, a filling valve nozzle 740 and a vacuumizing pipe 750, the elastic sealing spring 720 is arranged below the fixing base 710, the fixing base 710 is in a cylindrical structure, the connecting pipe 730 for connecting the filling pipe is arranged at the central position of the fixing base 710, the filling valve nozzle 740 for filling the injection cylinder 400 with medicines is arranged below the connecting pipe 730, the vacuumizing pipe 750 is arranged at the transverse position below the sealing member 700, one end of the vacuumizing pipe 750 is communicated with the inner cavity of the injection cylinder 400, and the other end of the vacuumizing pipe is communicated with an external vacuum pump.
The filling valve 740 in this embodiment has an elongated structure with a diameter smaller than the diameter of the connecting pipe 730; the diameter of the filling valve 740 corresponds to the inner diameter of the nozzle 410, and when the filling valve 740 is inserted into the nozzle 410, a sealing engagement is achieved, and a sealing ring 760 for pressing the cylinder end surface 420 is provided below the sealing member 700.
The invention also provides a vacuumizing and filling method for the medical instrument, which comprises the following steps of:
s01, injecting a medicine to be filled into the filling cavity through an input pipeline, and sealing the input pipeline after filling is finished;
step S02, controlling the lifting process of the upper and lower cylinders 100, so that the upper and lower cylinders 100 drive the filling assembly 600 and the sealing member 700 to move until the lower end surface of the sealing member 700 contacts the cylinder end surface 420 of the injection cylinder, and simultaneously the filling valve 740 is inserted into the injection nozzle 410;
step S03, the movement process of the upper and lower cylinders 100 is controlled by the limit cylinder 200, and the stroke of the upper and lower cylinders is adjusted to leave a gap with a preset distance between the filling valve nozzle 740 and the injection nozzle 410, so that the air remained in the injection cylinder 400 can be pumped away from the gap by the vacuumizing pipeline 750 until the vacuum degree in the injection cylinder 400 reaches a preset value;
step S04, the limiting cylinder 200 moves downward, so that the up-down cylinder 100 continues to move downward and compresses the elastic sealing spring 720, the movement process of the up-down cylinder 100 is controlled by the limiting cylinder 200, when the elastic sealing spring 720 is compressed until the filling valve 740 is completely inserted into the injection nozzle 410, the filling valve 740 and the injection nozzle 410 are sealed without gaps, and a filling valve is opened, and the filling valve fills the injection cylinder 400 with medicine.
In summary, the invention can realize rapid vacuumizing and filling work aiming at the miniaturized medical instrument, ensures no air leakage in the process of filling medicines into the injection cylinder body, has small structure, simplifies the process, is convenient to process, solves the problem of vacuumizing the miniaturized medical instrument, is also suitable for large-scale medical instruments after the structure is amplified, and is easy to market popularization.
Although the present invention has been mainly described in the above embodiments, it is described by way of example only, and the present invention is not limited thereto. Numerous variations and applications can be made by those skilled in the art without departing from the essential characteristics of the embodiments. For example, each component shown in detail of the embodiments may be modified and operated, and differences related to the modifications and applications may be construed as being included in the protection scope of the present invention as defined in the appended claims.
Reference in the specification to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the purview of one skilled in the art to effect such feature, structure, or characteristic in connection with other ones of the embodiments.
Claims (4)
1. The vacuum pumping and filling device for the medical instrument is an injection cylinder, the injection cylinder comprises a cylinder end face and an injection nozzle, and is characterized by comprising an upper cylinder, a lower cylinder, a connecting plate, a limiting cylinder, a support, a filling assembly and a sealing piece, wherein the upper cylinder, the lower cylinder and the limiting cylinder are arranged on the connecting plate, the limiting cylinder is used for limiting the lifting process of the upper cylinder and the lower cylinder, an output shaft of the upper cylinder and the lower cylinder is connected with the support, a plurality of filling assemblies are arranged on the support, the sealing piece is fixedly connected below the filling assembly, the upper cylinder and the lower cylinder do lifting motion to drive the filling assemblies and the sealing piece do lifting motion, the sealing piece is sleeved on the injection cylinder in a sealing manner so as to vacuumize the injection cylinder, the filling assembly is used for filling medicines into the vacuumized injection cylinder, the filling assembly comprises a filling cavity, a filling valve and a filling pipeline, the filling valve is arranged at an outlet of the filling cavity and used for controlling the output of the filling cavity to be filled, and the filling pipeline is connected with the filling valve to be filled with the injection cylinder; the filling assembly further comprises an input pipeline which is communicated with the filling cavity and used for conveying medicines to be filled into the filling cavity;
the sealing element comprises a fixed seat, an elastic sealing spring, a connecting pipeline, a filling valve nozzle and a vacuumizing pipeline, wherein the elastic sealing spring is arranged below the fixed seat, the fixed seat is of a cylindrical structure, the connecting pipeline for connecting a filling pipeline is arranged at the center of the fixed seat, the filling valve nozzle for filling medicines into the injection cylinder body is arranged below the connecting pipeline, the vacuumizing pipeline is arranged at the transverse position below the sealing element, one end of the vacuumizing pipeline is communicated with the inner cavity of the injection cylinder body, and the other end of the vacuumizing pipeline is communicated with an external vacuum pump;
the pouring valve mouth is of an elongated structure, and the diameter of the pouring valve mouth is smaller than that of the connecting pipeline; the diameter of the filling valve nozzle is consistent with the inner diameter of the injection nozzle, and when the filling valve nozzle is inserted into the injection nozzle, sealing fit is realized; and a sealing ring used for clamping the end face of the cylinder body is arranged below the sealing piece.
2. The evacuated filling device for medical instruments according to claim 1, wherein the filling assemblies are four sets mounted side by side on the support frame.
3. A vacuum filling method using the vacuum filling apparatus for medical devices according to any of claims 1-2, comprising the steps of:
s01, injecting a medicine to be filled into the filling cavity through an input pipeline, and sealing the input pipeline after filling is finished;
step S02, controlling the lifting process of the upper cylinder and the lower cylinder so that the upper cylinder and the lower cylinder drive the filling assembly and the sealing piece to move until the lower end face of the sealing piece is contacted with the end face of the injection cylinder body, and simultaneously inserting the filling valve nozzle into the injection nozzle;
step S03, controlling the movement process of the upper cylinder and the lower cylinder by a limiting cylinder, and adjusting the stroke of the upper cylinder and the lower cylinder to enable a gap with a preset distance to be reserved between a filling valve nozzle and an injection nozzle, so that air remained in the injection cylinder body can be pumped away from the gap by a vacuumizing pipeline until the vacuum degree in the injection cylinder body reaches a preset value;
step S04, the limiting cylinder moves downwards, the upper cylinder and the lower cylinder continue to move downwards and compress the elastic sealing spring, when the elastic sealing spring is compressed until the filling valve nozzle is completely inserted into the injection nozzle, the filling valve is opened after sealing between the filling valve nozzle and the injection nozzle is free from gaps, and the filling valve fills medicines into the injection cylinder.
4. A method according to claim 3, wherein in step S04, the movement process of the upper and lower cylinders is controlled by a limiting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811560449.8A CN109436423B (en) | 2018-12-20 | 2018-12-20 | Vacuumizing and filling device and method for medical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811560449.8A CN109436423B (en) | 2018-12-20 | 2018-12-20 | Vacuumizing and filling device and method for medical instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109436423A CN109436423A (en) | 2019-03-08 |
| CN109436423B true CN109436423B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811560449.8A Active CN109436423B (en) | 2018-12-20 | 2018-12-20 | Vacuumizing and filling device and method for medical instrument |
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| Country | Link |
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| CN (1) | CN109436423B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07227416A (en) * | 1994-02-18 | 1995-08-29 | Shin Nipatsuku Kk | Vacuum plugging method and injection cylinder to be used in this method |
| CN1157744A (en) * | 1995-12-26 | 1997-08-27 | 株式会社日硝 | Prefilled syringe |
| CN1879902A (en) * | 2006-02-22 | 2006-12-20 | 张亚平 | Needle-free closed transfusion adaptor |
| CN104075599A (en) * | 2014-05-21 | 2014-10-01 | 海康创业(北京)科技有限公司 | Passive integrated heat pipe perfusion device |
| CN206505992U (en) * | 2017-03-15 | 2017-09-19 | 山东威林特新能源科技有限公司 | A kind of process units of sour titanium lithium battery |
| CN208022677U (en) * | 2018-01-22 | 2018-10-30 | 广州市从米食品有限公司 | A kind of full-automatic beverage filling all-in-one machine |
| CN209290788U (en) * | 2018-12-20 | 2019-08-23 | 普叶顿（上海）自动化科技有限公司 | It is a kind of to vacuumize filling apparatus for medical instrument |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2773355B1 (en) * | 1998-01-08 | 2000-03-17 | Oreal | PACKAGING AND DISPENSING DEVICE COMPRISING A VACUUM FILLED TANK AND MANUFACTURING METHOD |
| FR2884225B1 (en) * | 2005-04-12 | 2007-06-22 | Airlessystems Soc Par Actions | FILLING METHOD AND DEVICE FOR FILLING A VARIABLE USEFUL VOLUME TANK |
-
2018
- 2018-12-20 CN CN201811560449.8A patent/CN109436423B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07227416A (en) * | 1994-02-18 | 1995-08-29 | Shin Nipatsuku Kk | Vacuum plugging method and injection cylinder to be used in this method |
| CN1157744A (en) * | 1995-12-26 | 1997-08-27 | 株式会社日硝 | Prefilled syringe |
| CN1879902A (en) * | 2006-02-22 | 2006-12-20 | 张亚平 | Needle-free closed transfusion adaptor |
| CN104075599A (en) * | 2014-05-21 | 2014-10-01 | 海康创业(北京)科技有限公司 | Passive integrated heat pipe perfusion device |
| CN206505992U (en) * | 2017-03-15 | 2017-09-19 | 山东威林特新能源科技有限公司 | A kind of process units of sour titanium lithium battery |
| CN208022677U (en) * | 2018-01-22 | 2018-10-30 | 广州市从米食品有限公司 | A kind of full-automatic beverage filling all-in-one machine |
| CN209290788U (en) * | 2018-12-20 | 2019-08-23 | 普叶顿（上海）自动化科技有限公司 | It is a kind of to vacuumize filling apparatus for medical instrument |
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| Publication number | Publication date |
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| CN109436423A (en) | 2019-03-08 |
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