CN111012664B - Liquid taking device, medicine bottle assembly with liquid taking device and liquid taking method - Google Patents
Liquid taking device, medicine bottle assembly with liquid taking device and liquid taking method Download PDFInfo
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- CN111012664B CN111012664B CN201911370600.6A CN201911370600A CN111012664B CN 111012664 B CN111012664 B CN 111012664B CN 201911370600 A CN201911370600 A CN 201911370600A CN 111012664 B CN111012664 B CN 111012664B
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- 239000007788 liquid Substances 0.000 title claims abstract description 416
- 239000003814 drug Substances 0.000 title claims abstract description 175
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 50
- 229940079593 drug Drugs 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 claims description 34
- 238000009434 installation Methods 0.000 claims description 16
- 238000005507 spraying Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000000605 extraction Methods 0.000 claims description 8
- 238000010079 rubber tapping Methods 0.000 claims 10
- 239000012530 fluid Substances 0.000 claims 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000007921 spray Substances 0.000 description 7
- 238000012377 drug delivery Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/05—Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2048—Connecting means
Abstract
The invention discloses a liquid taking device, a medicine bottle assembly with the liquid taking device and a liquid taking method, wherein the liquid taking device comprises a cover body and a liquid taking pipe; the liquid taking pipe comprises a pipe body forming an inner cavity, and an outlet and an inlet which are communicated with the inner cavity, the cover body comprises a mounting part which is used for being matched with an opening of the medicine bottle body in a sealing way, and a liquid taking channel with one end used for being communicated with a liquid containing cavity of the medicine bottle body is arranged on the cover body; the liquid taking pipe is rotatably arranged outside the cover body; the liquid taking device provided by the invention does not need to open the cover body when taking liquid, and can realize quantitative liquid taking by setting the measuring range of the liquid taking pipe, thus greatly reducing the possibility of contact between the external environment and liquid in the medicine bottle body, reducing the occurrence of pollution of the liquid medicine in the medicine bottle body, and being beneficial to ensuring the efficacy of medicines. The liquid taking device provided by the invention is provided with the air return channel, and can return air to the solution cavity of the medicine bottle body after liquid taking is finished.
Description
Technical Field
The invention relates to the technical field of liquid medicines, in particular to a liquid taking device, a medicine bottle assembly with the liquid taking device and a liquid taking method.
Background
At present, the liquid medicines are generally taken in the following two ways:
the first is a direct pouring method, i.e., the cap of the medicine bottle is opened, and an operator holds the medicine bottle to directly pour the medicine liquid in the medicine bottle from the bottle mouth into the container. The liquid taking mode basically depends on the experience of an operator, and quantitative liquid taking cannot be achieved.
The second mode is as follows: the rubber head dropper is used for taking the medicine bottle, a bottle cover is opened, one end of the rubber head dropper stretches into the medicine bottle, and the rubber head of the rubber head dropper is extruded to suck the medicine liquid in the medicine bottle into the dropper so as to realize liquid taking.
The two liquid taking modes are all that the bottle cap of the medicine bottle needs to be opened, the internal medicine liquid contacts with the outside after the medicine bottle is opened, the condition that the internal medicine liquid of the medicine bottle is polluted easily occurs, and the efficacy of the medicine is reduced.
Therefore, how to avoid the pollution of the medicine during the liquid taking and quantitatively take the liquid is a technical problem to be solved urgently by the technicians in the field.
Disclosure of Invention
The invention provides a liquid taking device, which comprises a cover body and a liquid taking pipe; the liquid taking pipe comprises a pipe body forming an inner cavity, and an outlet and an inlet which are communicated with the inner cavity, the cover body comprises a mounting part which is used for being matched with an opening of the medicine bottle body in a sealing way, and a liquid taking channel with one end used for being communicated with a liquid containing cavity of the medicine bottle body is arranged on the cover body; the liquid taking pipe is rotatably arranged outside the cover body;
when the liquid is taken out, the inlet of the liquid taking pipe is communicated with the other end of the liquid taking channel; when the liquid is not taken out, the liquid taking channel is disconnected from the liquid taking pipe inlet; the liquid taking device further comprises an air return channel for returning air to the liquid containing cavity of the medicine bottle body.
The liquid taking device provided by the invention does not need to open the cover body when taking liquid, and can realize quantitative liquid taking by setting the measuring range of the liquid taking pipe, thus greatly reducing the possibility of contact between the external environment and liquid in the medicine bottle body, reducing the occurrence of pollution of the liquid medicine in the medicine bottle body, and being beneficial to ensuring the efficacy of medicines. The liquid taking device provided by the invention is provided with the air return channel, and can return air to the solution cavity of the medicine bottle body after liquid taking is finished.
Optionally, one end of the liquid taking pipe is closed, the other end of the liquid taking pipe is provided with the outlet, the inlet is arranged on the circumferential side wall of the liquid taking pipe, the inner cavity comprises a first cavity and a second cavity which are mutually communicated, the first cavity and the second cavity are respectively arranged on the upper side and the lower side of the inlet, and the outlet is arranged in the first cavity; the liquid taking pipe is rotatably arranged on the cover body, and the rotating shaft is transverse; when liquid is taken, the outlet of the liquid taking pipe faces upwards; when the liquid medicine is not taken out, the opening of the medicine bottle body faces upwards.
Optionally, the liquid collecting device further comprises a switching part, the switching part is transversely installed in the cover body, the switching part comprises an installation shaft section which is arranged outside the cover body in a leakage mode, the outside of the liquid collecting pipe is provided with an installation section which extends radially, the installation section is provided with a radial through hole, the radial through hole is an inlet of the liquid collecting pipe, the installation shaft section is installed inside the radial through hole in a sealing and rotating mode, and the switching part is provided with an intermediate channel which can be communicated with the inlet and the liquid collecting channel.
Optionally, the cover body is provided with a mounting hole extending transversely, the adapting part comprises a sealing shaft section, the sealing shaft section is mounted in the mounting hole in a matching way and is sealed in a sliding way along the transverse direction, and when the adapting part slides to a first position along the transverse direction, the middle channel is communicated with the liquid taking channel; when the transfer part slides to the second position in a sealing way, the sealing shaft section seals the outlet of the liquid taking channel.
Optionally, two ends of the adapting part are respectively provided with at least one first annular boss and at least one second annular boss, and the first annular boss is in sliding seal with the groove on the cover body; the second annular boss is sealed with a groove arranged at the opening of the liquid taking pipe in a matched mode.
Optionally, the cover body is provided with a groove with a downward opening, the groove is located below the mounting hole, the mounting part is a sealing threaded part arranged on the peripheral wall of the groove, and the liquid taking channel is a channel which is communicated with the bottom wall of the groove and the inner wall of the mounting hole.
Optionally, one of the outer peripheral wall of the cover body and the outer wall of the liquid taking pipe is provided with a radially extending mounting shaft section, the other one is provided with a mounting groove with an outward opening, the mounting shaft section is circumferentially and hermetically mounted in the mounting groove, the bottom wall of the mounting groove and the mounting shaft section are both provided with communication channels, and when the liquid taking pipe rotates to a first position relative to the cover body, the liquid taking channel of the cover body is communicated with the inner cavity of the liquid taking pipe through the communication channels of the bottom wall of the mounting groove and the communication channels of the mounting shaft section; when the liquid taking pipe rotates to the second position on the cover body, the communication channel of the bottom wall of the mounting groove is disconnected with the communication channel of the mounting shaft section.
Optionally, one of the mounting shaft section and the mounting groove bottom wall is provided with two parallel communication channels: a liquid taking hole and a return air/liquid spraying hole; when the liquid taking pipe is positioned at the first position, the liquid taking hole is communicated with the communication channel of the other liquid taking hole so as to realize liquid taking; when the liquid taking pipe is at the second position, the air return/liquid spraying hole is communicated with the communication channel of the other liquid taking pipe so as to realize air return and liquid spraying, and in this state, the inlet of the liquid taking pipe is inclined downwards.
Optionally, the lid sets up the installation axle section, the outer peripheral wall of getting the liquid pipe outwards radially extends and forms the installation section, the installation section is provided with the mounting groove, be provided with on the installation axle section two parallel intercommunication channels.
Optionally, the number of the air return holes and the liquid spray holes is two, and the air return holes and the liquid spray holes are symmetrically distributed on two sides of the axial surface where the liquid taking holes are located.
Optionally, the body of liquid taking pipe includes that the relative end can dismantle first body and the second body of connection, the first body other end is sealed, the import set up in the first body, the export set up in the other end of second body.
Optionally, the liquid taking pipe further comprises a sealing cap which is detachably arranged at the outlet end part of the liquid taking pipe; alternatively or additionally, the sealing cap is provided with a sealing column inserted into the outlet of the liquid taking pipe.
In addition, the invention also provides a medicine bottle assembly, which comprises a medicine bottle body with a liquid containing cavity, and further comprises the liquid taking device, wherein the mounting part of the cover body of the liquid taking device is in sealing fit with the opening of the medicine bottle body, and the liquid taking pipe is positioned outside the medicine bottle body; and the medicine bottle body is of a compressible volume-variable structure, so that when the liquid taking is finished to compress the medicine bottle body, the liquid in the liquid taking pipe can be sprayed out from an outlet of the liquid taking pipe.
In addition, the invention also provides a liquid taking method, which comprises the following steps:
filling the medicine bottle assembly with the liquid taking device with liquid medicine, wherein in a normal state, a liquid taking pipe and a medicine bottle body are arranged on the same side, the opening of the medicine bottle body faces upwards, and the outlet of the liquid taking pipe faces upwards;
when the liquid is taken, the medicine bottle body is rotated to a first position relative to the liquid taking pipe, at the moment, the medicine bottle body is inverted, the liquid taking channel is communicated with the inlet of the liquid taking pipe, and the medicine bottle body is compressed to enable the liquid medicine to flow into the pipe body of the liquid taking pipe;
when the liquid flowing into the liquid taking pipe reaches the preset demand, the medicine bottle body rotates to a second position, the liquid taking pipe and the liquid taking channel are disconnected, and at the moment, the outlet of the liquid taking pipe is communicated with the inner cavity of the medicine bottle body through the inlet of the liquid taking pipe and the liquid taking channel, so that the medicine bottle body returns air;
after the air return of the medicine bottle body is finished, the liquid taking pipe is rotated to a third position, at the moment, the opening of the medicine bottle body is upward, the outlet of the liquid taking pipe is inclined downward, and the medicine bottle body is compressed so that liquid in the liquid taking pipe can be sprayed to the outside from the outlet.
Furthermore, the invention also provides a liquid taking method, which comprises the following steps:
filling the medicine bottle assembly with the liquid taking device with medicine liquid, wherein the opening of the medicine bottle body faces upwards in a normal state, the outlet of the liquid taking pipe faces upwards, and the sealing shaft section seals the liquid taking channel;
when taking liquid, the medicine bottle body is relatively rotated to be inverted, the outlet of the liquid taking pipe is kept upwards, the sealing shaft section is slid to a second position to open the liquid taking channel, and the medicine bottle body is compressed to enable the liquid medicine to flow to the second cavity of the liquid taking pipe;
when the liquid taking amount reaches the preset requirement, the medicine bottle body rotates to an upward outlet state and returns air through an air return channel formed by the outlet of the liquid taking pipe, the first cavity, the middle channel and the liquid taking channel, after air return is finished, the liquid taking pipe rotates to an outlet oblique downward state, so that the medicine liquid in the second cavity flows to the first cavity, and the medicine bottle body is compressed so that the medicine liquid in the first cavity is sprayed to the outside.
The medicine bottle assembly provided herein comprises the liquid taking device, so the medicine bottle assembly also has the technical effects of the liquid taking device.
Drawings
FIG. 1 is a schematic cross-sectional view of a liquid extraction device according to a first embodiment of the present invention mounted on a medicine bottle;
FIG. 2 is a schematic view of a liquid-extracting tube according to a first embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a transfer member according to an embodiment of the present invention;
FIG. 4 is a schematic illustration of the drug delivery flow of the drug vial assembly of FIG. 1;
FIG. 5 is a flow chart of a method of administering a medication according to a first embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a liquid extraction device according to a second embodiment of the present invention mounted on a drug vial;
FIG. 7 is a schematic three-dimensional structure of the cover of FIG. 5;
FIG. 8 is a schematic cross-sectional view of the cover of FIG. 7;
FIG. 9 is a schematic view of a portion of a liquid-extracting tube according to an embodiment of the present invention;
FIG. 10 is a schematic diagram of a drug delivery flow of a drug vial assembly according to a second embodiment of the present invention;
FIG. 11 is a flow chart of a method of administering a drug according to a second embodiment of the present invention.
The one-to-one correspondence between the reference numerals and the component names in fig. 1 to 8 is as follows:
1-a cover body; 1 a-a liquid taking channel; 101-mounting a shaft section; 102-return air/spray holes; 103-liquid taking holes; 104-an anti-tooth-opening structure; 2-a liquid taking pipe; 201-a second tube; 202-a first tube; 203-a mounting section; 204-communicating channels; 205-mounting slots; 21-a first chamber; 22-a second chamber; 23-grooves; 2 a-outlet; 2 b-inlet; 3-an adapter member; 31-grooves; 6-sealing the cap; 8-a medicine bottle body;
a 3' -adaptor part; 31' -intermediate channel; 32' -a first annular boss; 33' -a second annular boss; 34' -sealing the shaft section.
Detailed Description
The present invention is made in view of the above technical problems in the background art, and a technical solution for solving the above technical problems is provided, which is specifically described below.
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments. The application of the liquid extraction device in the medical field is described herein by way of example, and it will be understood by those skilled in the art that the liquid extraction device described herein is not limited to use in the medical field, and that other environments requiring quantitative liquid extraction are within the scope of protection herein.
Referring to fig. 1 to 4, fig. 1 is a schematic cross-sectional view illustrating a liquid taking device mounted on a medicine bottle according to a first embodiment of the present invention; FIG. 2 is a schematic view of a liquid-extracting tube according to a first embodiment of the present invention; FIG. 3 is a schematic cross-sectional view of a transfer member according to an embodiment of the present invention; fig. 4 is a schematic drawing of the drug delivery flow of the drug vial assembly of fig. 1.
The invention provides a liquid taking device which is mainly covered on an opening of a medicine bottle body 8, thereby playing the role of a bottle cap and realizing the liquid taking function. The liquid taking device comprises a cover body 1 and a liquid taking pipe 2.
Wherein the liquid taking tube 2 comprises a tube body, an outlet 2a and an inlet 2b, the tube body is provided with an inner cavity, and the inlet 2b and the outlet 2a are arranged on the tube body and are communicated through the inner cavity. The specific shape of the tube body is not limited, and a strip-shaped structure is preferred herein. The outlet 2a of the tube body is preferably sized so that the liquid does not flow out at room pressure, and the liquid in the liquid-taking tube 2 does not flow out until the pressure is higher than the room pressure.
The cap 1 of the present invention includes a mounting portion for sealing engagement with the opening of the medicine bottle. The specific structure of the mounting portion can be matched and processed according to the opening structure of the medicine bottle body 8 to which the mounting portion is applied, the mounting portion can be detachably connected to the medicine bottle body 8, for example, the mounting portion can be of a spiral structure, and the mounting portion is in threaded sealing connection with a threaded opening of the medicine bottle body 8. Of course, the mounting portion may be an optical axis structure, which is interference-mounted inside the opening of the medicine bottle body 8.
Of course, the structure of the mounting portion is not limited to the above two structures described herein, and may be appropriately set according to the specific application environment.
The cover body 1 is provided with a liquid taking channel 1a with one end used for being communicated with a solution cavity of the medicine bottle body 8, and the liquid taking pipe 2 is rotatably arranged outside the cover body 1.
When liquid is taken, the inlet 2b of the liquid taking pipe 2 is communicated with the other end of the liquid taking channel 1 a; when the liquid is not taken, the liquid taking channel 1a is disconnected from the inlet 2b of the liquid taking pipe 2. The liquid taking device also comprises an air return channel for returning air to the solution cavity of the medicine bottle body 8.
After the cover body 1 and the liquid taking pipe 2 provided by the invention are processed, the liquid taking device can be pre-assembled firstly, and after the medicine bottle body 8 is filled with medicine liquid, the liquid taking device which is assembled into a whole is assembled with the medicine bottle body 8 in a production line to form a medicine bottle assembly.
When liquid is taken, the liquid medicine in the medicine bottle body 8 can enter the inner cavity of the liquid taking pipe 2 along a passage formed by the liquid taking channel 1a and the inlet 2b of the liquid taking pipe 2, when the liquid taking reaches a preset amount, the liquid taking device can be placed at a non-liquid taking position, at the moment, the liquid taking channel 1a is disconnected from the inlet 2b of the liquid taking pipe 2, and the liquid in the liquid taking pipe 2 can flow to the outside from the outlet 2a for use. The liquid in the liquid taking pipe 2 can flow to the outside through the extrusion power.
Of course, the air return passage is limited only functionally, and may be the same passage as the liquid taking passage 1a or may be different passages as long as air return can be achieved.
In one embodiment, the liquid taking tube 2 may be closed at one end, the other end is provided with an outlet 2a, an inlet 2b is disposed on a circumferential side wall of the liquid taking tube 2, the liquid taking tube 2 is a substantially elongated tube, and the inlet 2b is disposed on the circumferential side wall of the liquid taking tube instead of the end portion in this embodiment.
The inner cavity of the liquid taking tube 2 comprises a first chamber 21 and a second chamber 22 which are mutually communicated, the first chamber 21 and the second chamber 22 are respectively arranged on the upper side and the lower side of the inlet 2b, the upper side and the lower side are defined by taking the relative position relationship among the components in fig. 1 as a reference, and the description of the technical scheme is only for simplicity, and the technical scheme described herein is not limited by the technical scheme understood by the person skilled in the art.
The outlet 2a of the liquid taking pipe in the embodiment is arranged in the first chamber 21; the liquid taking tube 2 is rotatably mounted on the cover body, and the rotation axis is transverse, and the transverse direction refers to a radial direction along the cover body 1, i.e. a horizontal direction in fig. 1.
When the liquid taking tube 2 in this embodiment is used, the inlet 2b is disposed on the circumferential side wall, the second chamber 22 can be used as a storage chamber during liquid taking, and the first chamber 21 above the inlet 2b can be used as an air return channel, that is, when the liquid taking is finished, the liquid medicine is stored in the second chamber 22 and the opening of the rotary medicine bottle body is upward, the outlet 2a, the first chamber 21, the inlet and the liquid taking channel can form the air return channel, so that air return is performed on the medicine bottle body 8, no additional air return channel is required, and the structure can be simplified.
In the preferred embodiment, when taking liquid, the opening of the medicine bottle body faces downwards, and the outlet of the liquid taking pipe faces upwards to take liquid; after the liquid is taken, the medicine bottle body 8 is rotated to enable the opening to face upwards for air return. When liquid taking is completed, liquid is prevented from being scattered. Of course, the outlet of the liquid taking tube 2 may be upward rather than upward in an absolute sense, and may be upward in an oblique direction, as long as it is satisfied that the liquid is not scattered.
From the above description, it can be seen that the liquid taking device provided by the invention does not need to open the cover 1 when taking liquid, and can realize quantitative liquid taking by setting the measuring range of the liquid taking pipe 2, thus greatly reducing the possibility of contacting the external environment with the liquid in the medicine bottle 8, reducing the occurrence of pollution of the liquid medicine in the medicine bottle 8, and being beneficial to ensuring the efficacy of the medicine. The liquid taking device provided by the invention is provided with the air return channel, and can return air to the solution cavity of the medicine bottle body 8 after liquid taking is finished.
Referring to fig. 1 to 4 again, in the first embodiment, the liquid taking device may further be provided with an adapter member 3', where the adapter member 3' is transversely mounted on the cover, and the adapter member 3 'includes a mounting shaft section that is leaked outside the cover, the outside of the liquid taking tube 2 has a radially extending mounting section, the mounting section is provided with a radial through hole, the radial through hole is an inlet of the liquid taking tube, the mounting shaft section is mounted inside the radial through hole in a sealing and rotating manner, and the adapter member is provided with an intermediate channel 31' capable of communicating the inlet 2b with the liquid taking channel 1 a. When the switching part is positioned at the first position, the liquid taking channel 1a is communicated with the inlet 2b through the middle channel 31'; when the adapter part is in the second position, the intermediate channel 31' is closed.
In the embodiment, the cover body 1 is communicated with or disconnected from the liquid taking pipe 2 through the switching part 3', so that the structure is simple and the implementation is easy.
The cover body 1 is provided with a transversely extending mounting hole, the switching part 3' comprises a sealing shaft section, the sealing shaft section is mounted in the mounting hole in a matched manner and is sealed in a sliding manner along the transverse direction, and when the switching part 3' slides to a first position along the transverse direction in a sealed manner, the middle channel 31' is communicated with the liquid taking channel; when the adapter part 3' slides to the second position in a sealing way, the sealing shaft section seals the outlet 2a of the liquid taking channel.
Through the arrangement, the sealing shaft section 34 'is used for sealing the liquid taking channel in a normal state, so that the liquid medicine in the medicine bottle body 8 is stored in a sealing mode, and the sealing shaft section 34' is slid to a position for opening the liquid taking channel during liquid taking.
Specifically, two ends of the adapting part 3 'are respectively provided with at least one first annular boss 32' and at least one second annular boss 33', and the first annular boss 32' is in sliding seal with the groove 23 on the cover body 1; the second annular boss 33' is sealed in cooperation with the recess 23 provided in the opening of the liquid taking tube.
Referring to fig. 4 and 5, on the basis of the above embodiment of the liquid taking device with a sealing shaft section, the following provides a liquid taking method, which specifically includes:
s10, assembling a liquid taking device and a medicine bottle body 8 of the canned liquid medicine to form a medicine bottle assembly, wherein the opening of the medicine bottle body 8 faces upwards in a normal state, the outlet 2a of the liquid taking pipe faces upwards, and the sealing shaft section seals the liquid taking channel;
s20, during liquid taking, the medicine bottle body 8 is turned upside down, the outlet 2a of the liquid taking pipe is kept upwards, the sealing shaft section slides to a second position to open the liquid taking channel, and the medicine bottle body 8 is compressed to enable the liquid medicine to flow to the second cavity 22 of the liquid taking pipe;
s30, when the liquid to be taken reaches the preset demand, the medicine bottle body 8 rotates to an upward state of the outlet 2a and returns air through an air return channel formed by the outlet 2a of the liquid taking pipe, the first chamber 21, the middle channel 31' and the liquid taking channel 1a, after the air return is finished, the liquid taking pipe rotates to an obliquely downward state of the outlet 2a, so that the medicine liquid in the second chamber 22 flows to the first chamber 21, and the medicine bottle body 8 is compressed so that the medicine liquid in the first chamber 21 is sprayed to the outside.
Referring to fig. 6 to 10, in a second specific embodiment, one of the outer peripheral wall of the cover body 1 and the outer wall of the liquid taking tube 2 is provided with a radially extending mounting shaft section, the other peripheral wall is provided with a mounting groove with an outward opening, the mounting shaft section is circumferentially and hermetically mounted in the mounting groove, the bottom wall of the mounting groove and the mounting shaft section are both provided with communication channels, and when the liquid taking tube 2 rotates to a first position relative to the cover body 1, the liquid taking channel of the cover body 1 is communicated with the inner cavity of the liquid taking tube through the communication channel of the bottom wall of the mounting groove and the communication channel of the mounting shaft section; when the liquid taking pipe 2 rotates to a second position relative to the cover body 1, the communication channel of the bottom wall of the mounting groove is disconnected with the communication channel of the mounting shaft section.
That is, in this embodiment, the connection and disconnection of the inner chamber thereof to the liquid taking passage is achieved by the rotation of the liquid taking tube.
Specifically, the return air passage in the above embodiment may be provided as follows.
In the above embodiment, one of the mounting shaft section and the mounting groove bottom wall is provided with two parallel communication passages: a liquid take-out hole 103 and a return air/liquid spray hole 102; when the liquid taking pipe is at the first position, the liquid taking hole 103 is communicated with the communication channel of the other liquid taking pipe to realize liquid taking; when the liquid pipe is at the second position, the air return/liquid spray hole 102 is communicated with the communication channel of the other liquid pipe to realize air return and liquid spray, and in this state, the inlet of the liquid taking pipe 2 is inclined downwards.
Namely, two parallel communication channels can be arranged on the mounting shaft section, and when the liquid taking pipe 2 is in different states, the two communication channels can be selectively communicated with the communication channels on the bottom wall of the mounting groove so as to realize liquid taking, air returning and liquid spraying functions. Of course, the two parallel communication channels can also be arranged on the bottom wall of the mounting groove, and can be selectively communicated with the communication channels on the mounting shaft section, so as to realize the functions of liquid taking, air returning and liquid spraying.
In this embodiment, the return air position is the same as the liquid ejecting position, simplifying the structure.
The technical scheme and the technical effect are further described by taking the case that the cover body is provided with the mounting shaft section 101 and the liquid taking pipe 2 is provided with the mounting groove. Specifically, the outer peripheral wall of the liquid taking tube 2 has a mounting section 203 extending radially outwardly, the mounting section 203 is provided with a mounting groove 205, the bottom wall of the mounting groove 205 is provided with a communication passage 204, and the communication passage 204 forms an inlet of the liquid taking tube. The mounting shaft section 101 is provided with the two parallel communication channels: a liquid take-out hole 103 and a return air/liquid spray hole 102. Of course, the cover body can be provided with an installation groove, and the peripheral wall of the liquid taking pipe is provided with an installation shaft section.
In the above embodiment, the number of the air return/liquid spraying holes 102 is two, and the air return/liquid spraying holes are symmetrically distributed on two sides of the axial surface where the liquid taking holes 103 are located. Therefore, the liquid taking pipe 2 can realize air return and liquid spraying by rotating clockwise or anticlockwise after liquid taking, and the use convenience is greatly improved.
In the above embodiments, the tube body of the liquid taking tube 2 includes the first tube body 202 and the second tube body 201 with opposite ends detachably connected, the other end of the first tube body 202 is closed, the inlet is disposed on the first tube body, and the outlet is disposed on the other end of the second tube body 201. The first tube 202 and the second tube 201 may be screwed together or may be connected together in other ways.
The pipe body is arranged into two sections, so that the processing manufacturability can be reduced.
On the basis of the above embodiments, the cover 1 is further provided with a groove with a downward opening, the groove is located below the mounting hole, the mounting part is a sealing threaded part arranged on the peripheral wall of the groove, and the liquid taking channel 1a is a channel communicating the bottom wall of the groove and the inner wall of the mounting hole.
The liquid taking device in the above embodiments may further include a sealing cap 6, and the sealing cap 6 may be detachably mounted to the end of the outlet 2a of the liquid taking tube.
In addition, the invention also provides a medicine bottle assembly, which comprises a medicine bottle body 8 with a liquid containing cavity, and further comprises the liquid taking device, wherein the mounting part of the cover body of the liquid taking device is in sealing fit with the opening of the medicine bottle body 8, and the liquid taking pipe is positioned outside the medicine bottle body 8.
As described above, the medicine bottle 8 may be of a compressible volume-variable structure so that when the liquid taking ends to compress the medicine bottle 8, the liquid inside the liquid taking tube can be ejected from the outlet 2a thereof.
Of course, the structure of the medicine bottle 8 is not limited to the above description, but may be other structures.
Referring to fig. 10 and 11, the present invention further provides a liquid taking method of a medicine bottle assembly including a second liquid taking device, comprising the following steps:
s01, filling the medicine bottle assembly in the second specific embodiment with medicine liquid, wherein in a normal state, a liquid taking pipe and a medicine bottle body are arranged on the same side, an opening of the medicine bottle body faces upwards, and an outlet of the liquid taking pipe faces upwards;
s02, when liquid is taken, the medicine bottle body is rotated to a first position relative to the liquid taking pipe, at the moment, the medicine bottle body is inverted, the liquid taking channel is communicated with the inlet of the liquid taking pipe, and the medicine bottle body is compressed to enable liquid medicine to flow into the pipe body of the liquid taking pipe;
s03, when the liquid flowing into the liquid taking pipe reaches a preset demand, the medicine bottle body rotates to a second position, the liquid taking pipe and the liquid taking channel are disconnected, and at the moment, the outlet of the liquid taking pipe is communicated with the inner cavity of the medicine bottle body through the inlet of the liquid taking pipe and the liquid taking channel, so that the medicine bottle body returns air;
s04, after the air return of the medicine bottle body is finished, rotating the liquid taking pipe to a third position, wherein the opening of the medicine bottle body is upward at the moment, the outlet of the liquid taking pipe is obliquely downward, and the medicine bottle body is compressed so that liquid in the liquid taking pipe is sprayed to the outside from the outlet.
The cap body 1 in the above embodiments may further be provided with an anti-opening tooth structure 104, which cooperates with the opening tooth structure of the medicine bottle body 8.
The medicine bottle assembly provided herein comprises the liquid taking device and the liquid taking method are implemented on the basis of the liquid taking device, so that the medicine bottle assembly and the liquid taking device also have the technical effects of the liquid taking device.
The liquid taking device and the medicine bottle assembly with the liquid taking device provided by the invention are described in detail. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (14)
1. The liquid taking device is characterized by comprising a cover body (1) and a liquid taking pipe (2); the liquid taking tube (2) comprises a tube body forming an inner cavity, and an outlet (2 a) and an inlet (2 b) which are communicated with the inner cavity, the cover body (1) comprises an installation part which is used for being matched with an opening of the medicine bottle body (8) in a sealing way, and the cover body (1) is provided with a liquid taking channel (1 a) one end of which is used for being communicated with a liquid containing cavity of the medicine bottle body (8);
the liquid taking device also comprises an air return channel for returning air to the liquid containing cavity of the medicine bottle body (8);
the liquid taking pipe (2) is closed at one end, the outlet (2 a) is arranged at the other end, the inlet (2 b) is arranged on the circumferential side wall of the liquid taking pipe (2), the inner cavity comprises a first cavity (21) and a second cavity (22) which are mutually communicated, the first cavity (21) and the second cavity (22) are separated at the upper side and the lower side of the inlet (2 b), and the outlet (2 a) is arranged in the first cavity (21); the liquid taking pipe (2) is rotatably arranged on the cover body, and the rotating shaft is along the radial direction of the cover body; the second chamber is used as a storage chamber during liquid taking, and the first chamber is used as an air return channel;
when in a liquid taking state, an inlet (2 b) of the liquid taking pipe (2) is communicated with the other end of the liquid taking channel (1 a), and the outlet of the liquid taking pipe faces upwards and the opening of the medicine bottle body faces downwards; when the liquid taking device is in a non-liquid taking state, the liquid taking channel (1 a) is disconnected from the inlet (2 b) of the liquid taking pipe (2), and the opening of the medicine bottle body faces upwards.
2. The tapping device according to claim 1, further comprising an adapter part (3 '), said adapter part (3') being mounted transversely to said cover body, and said adapter part (3 ') comprising a mounting shaft section which is omitted outside said cover body, the outside of said tapping tube (2) being provided with a radially extending mounting section provided with a radial through hole which is an inlet of said tapping tube, said mounting shaft section being mounted in a sealing rotation inside said radial through hole, said adapter part being provided with an intermediate channel (31') which is capable of communicating said inlet (2 b) with said tapping channel (1 a).
3. The tapping device according to claim 2, wherein the cover (1) is provided with a transversely extending mounting hole, the adapter member (3 ') comprising a sealing shaft section (34'), the sealing shaft section (34 ') being fitted to the mounting hole and both being slidingly sealed in a transverse direction, the intermediate channel (31') being in communication with the tapping channel (1 a) when the adapter member is slid in a transverse direction to a first position; when the adapter part (3 ') slides to the second position in a sealing way, the sealing shaft section (34') seals the outlet (2 a) of the liquid taking channel (1 a).
4. A tapping device according to claim 3, characterized in that the two ends of the adapter part (3 ') are respectively provided with at least one first annular boss (32') and at least one second annular boss (33 '), the first annular boss (32') being in sliding sealing engagement with a recess in the cover (1); the second annular boss (33') is matched and sealed with a groove arranged at the opening of the liquid taking pipe (2).
5. A liquid taking device according to claim 3, wherein the cover body (1) is provided with a groove with a downward opening, the groove is positioned below the mounting hole, the mounting part is a sealing thread part arranged on the peripheral wall of the groove, and the liquid taking channel (1 a) is a channel which is communicated with the bottom wall of the groove and the inner wall of the mounting hole.
6. The liquid taking device according to claim 1, wherein one of the outer peripheral wall of the cover body (1) and the outer wall of the liquid taking tube (2) is provided with a radially extending mounting shaft section, the other is provided with a mounting groove with an outward opening, the mounting shaft section is circumferentially and hermetically mounted in the mounting groove, the bottom wall of the mounting groove and the mounting shaft section are both provided with communication channels, and when the liquid taking tube (2) rotates to a first position relative to the cover body, the liquid taking channel of the cover body (1) is communicated with the inner cavity of the liquid taking tube (2) through the communication channels of the bottom wall of the mounting groove and the communication channels of the mounting shaft section; when the liquid taking pipe (2) rotates to a second position relative to the cover body (1), the communication channel of the bottom wall of the mounting groove is disconnected with the communication channel of the mounting shaft section.
7. The tapping device according to claim 6, wherein one of the mounting shaft section and the mounting groove bottom wall is provided with two parallel communication channels: a liquid taking hole (103) and an air return/liquid spraying hole (102); when the liquid taking pipe (2) is positioned at a first position, the liquid taking hole (103) is communicated with a communication channel of the other liquid taking hole so as to realize liquid taking; when the liquid taking pipe (2) is in the second position, the air return/liquid spraying hole (102) is communicated with the communication channel of the other liquid taking pipe so as to realize air return and liquid spraying, and in this state, the inlet of the liquid taking pipe is inclined downwards.
8. The liquid taking device according to claim 7, wherein the cover body (1) is provided with the installation shaft section, the outer peripheral wall of the liquid taking tube (2) radially extends outwards to form an installation section (203), the installation section (203) is provided with the installation groove (205), and the installation shaft section is provided with the two parallel communication channels.
9. The liquid taking device according to claim 7 or 8, wherein the number of the air return/liquid spraying holes (102) is two, and the air return/liquid spraying holes are symmetrically distributed on two sides of the axial surface where the liquid taking holes (103) are located.
10. The liquid taking device according to any one of claims 1 to 8, wherein the tube body of the liquid taking tube (2) comprises a first tube body (202) and a second tube body (201) which are detachably connected at opposite ends, the other end of the first tube body (202) is closed, the inlet is arranged on the first tube body (202), and the outlet is arranged on the other end of the second tube body (201).
11. The tapping device according to any one of claims 1 to 8, further comprising a sealing cap (6), said sealing cap (6) being removably mounted to the outlet (2 a) end of the tapping pipe (2); alternatively or additionally, the sealing cap is provided with a sealing column inserted into the outlet of the liquid taking pipe.
12. A medicine bottle assembly comprising a medicine bottle body (8) with a liquid containing cavity, and further comprising the liquid taking device as claimed in any one of claims 1 to 11, wherein the mounting part of the cover body (1) of the liquid taking device is in sealing fit with the opening of the medicine bottle body (8), and the liquid taking tube (2) is positioned outside the medicine bottle body (8); and the medicine bottle body (8) is of a compressible volume-variable structure, so that when the medicine bottle body (8) is compressed after liquid taking is finished, liquid in the liquid taking pipe (2) can be sprayed out from an outlet of the liquid taking pipe.
13. The liquid taking method is characterized by comprising the following steps of:
filling a medicine bottle assembly with the liquid taking device as claimed in any one of claims 6 to 11 with liquid medicine, wherein the liquid taking tube is arranged on the same side as the medicine bottle body and has an upward opening, and the outlet of the liquid taking tube is upward;
when the liquid is taken, the medicine bottle body is rotated to a first position relative to the liquid taking pipe, at the moment, the medicine bottle body is inverted, the liquid taking channel is communicated with the inlet of the liquid taking pipe, and the medicine bottle body is compressed to enable the liquid medicine to flow into the pipe body of the liquid taking pipe;
when the liquid flowing into the liquid taking pipe reaches the preset demand, the medicine bottle body rotates to a second position, the liquid taking pipe and the liquid taking channel are disconnected, and at the moment, the outlet of the liquid taking pipe is communicated with the inner cavity of the medicine bottle body through the inlet of the liquid taking pipe and the liquid taking channel, so that the medicine bottle body returns air;
after the air return of the medicine bottle body is finished, the liquid taking pipe is rotated to a third position, at the moment, the opening of the medicine bottle body is upward, the outlet of the liquid taking pipe is inclined downward, and the medicine bottle body is compressed so that liquid in the liquid taking pipe can be sprayed to the outside from the outlet.
14. The liquid taking method is characterized by comprising the following steps of:
filling a drug vial assembly having a fluid extraction device of any one of claims 3-5 with a drug vial body opening facing upwardly, an outlet of the fluid extraction tube facing upwardly, and the sealing shaft segment sealing the fluid extraction passageway;
when taking liquid, the medicine bottle body is relatively rotated to be inverted, the outlet of the liquid taking pipe is kept upwards, the sealing shaft section is slid to a second position to open the liquid taking channel, and the medicine bottle body is compressed to enable the liquid medicine to flow to the second cavity of the liquid taking pipe;
when the liquid taking amount reaches the preset requirement, the medicine bottle body rotates to an upward outlet state and returns air through an air return channel formed by the outlet of the liquid taking pipe, the first cavity, the middle channel and the liquid taking channel, after air return is finished, the liquid taking pipe rotates to an outlet oblique downward state, so that the medicine liquid in the second cavity flows to the first cavity, and the medicine bottle body is compressed so that the medicine liquid in the first cavity is sprayed to the outside.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911370600.6A CN111012664B (en) | 2019-12-26 | 2019-12-26 | Liquid taking device, medicine bottle assembly with liquid taking device and liquid taking method |
| PCT/CN2020/139224 WO2021129782A1 (en) | 2019-12-26 | 2020-12-25 | Liquid taking device, medicine bottle assembly having the liquid taking device, and liquid taking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911370600.6A CN111012664B (en) | 2019-12-26 | 2019-12-26 | Liquid taking device, medicine bottle assembly with liquid taking device and liquid taking method |
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| CN111012664A CN111012664A (en) | 2020-04-17 |
| CN111012664B true CN111012664B (en) | 2024-01-09 |
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| CN201911370600.6A Active CN111012664B (en) | 2019-12-26 | 2019-12-26 | Liquid taking device, medicine bottle assembly with liquid taking device and liquid taking method |
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| WO2021129782A1 (en) * | 2019-12-26 | 2021-07-01 | 常熟大吉医用塑料制品有限公司 | Liquid taking device, medicine bottle assembly having the liquid taking device, and liquid taking method |
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