CN109847158B - Capsule type dry powder inhaler - Google Patents
Capsule type dry powder inhaler Download PDFInfo
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- CN109847158B CN109847158B CN201910176499.4A CN201910176499A CN109847158B CN 109847158 B CN109847158 B CN 109847158B CN 201910176499 A CN201910176499 A CN 201910176499A CN 109847158 B CN109847158 B CN 109847158B
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- sleeve
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- suction nozzle
- bottom shell
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Abstract
The invention discloses a capsule type dry powder inhaler, which relates to a medicine taking device and comprises a sleeve, a bottom shell and a suction nozzle, wherein the bottom shell is movably sleeved on the sleeve; a sealing cover is hinged on the sleeve, and a transmission structure is arranged between the sealing cover and the elastic reset piece for transmission connection; the initial condition, the pulling piece is in leading to the groove, and the pulling piece resets the piece joint with elasticity, and elasticity resets and stores elastic potential energy, and sealed lid covers with the sleeve cooperation and establishes the suction nozzle, and to the pulling piece application of force make the suction nozzle emerge from the sleeve simultaneously sealed lid open, and the capsule is opened the powder release in the structure with the capsule, and the sleeve is held to the hand, thereby puts the suction nozzle and takes medicine in the oral cavity, reduces the hand direct contact suction nozzle, reduces the pollution to the suction nozzle.
Description
Technical Field
The present invention relates to a drug administration device, and more particularly, it relates to a capsule type dry powder inhaler.
Background
A dry powder inhaler is used for matching with a device for inhaling medicament for treating asthma and other diseases, wherein the inhaled medicament is prepared into micronized medicament or is stored with a carrier in a capsule, a vesicle or a multi-dose form, and the micronized medicament and the carrier are actively inhaled into the lung by a patient by adopting the dry powder inhaler.
The prior chinese patent publication No. CN205007396U discloses a capsule type dry powder inhaler, which comprises a housing and a bottom cover, wherein the housing comprises a suction nozzle, a screen, a separation bin and an airflow flowing device, the suction nozzle is located at the upper part of the housing, the screen is located below the suction nozzle, the airflow flowing device comprises an air inlet hole at the bottom of the housing, namely on the bottom cover, a knob capable of separating the capsule housing, a knob gland and a reinforcing rib are arranged on the outer side of the housing, and a capsule hole is opened on the knob.
According to the technical scheme, the suction nozzle is exposed in the air for a long time, bacteria are prone to growing on the surface of the suction nozzle, when a user administers the medicine, the user generally puts the suction nozzle in the mouth first, holds the suction nozzle with hands, then inserts the capsule into the capsule hole, dirt and bacteria are prone to being stained on the skin of the hand due to long-time contact with other objects, the user often cannot clean the hand before taking the medicine, and the user easily eats the bacteria on the suction nozzle into the mouth under the unconscious condition to affect health.
Disclosure of Invention
Aiming at the problem that the suction nozzle is not clean easily because a hand directly contacts the suction nozzle in practical application, the invention aims to provide a capsule type dry powder inhaler, wherein the suction nozzle is taken out from a movable cavity under the action of a drawing and ejecting mechanism, a user holds a sleeve to feed medicine, and the pollution of the hand to the suction nozzle is reduced, and the specific scheme is as follows:
a capsule type dry powder inhaler comprises a sleeve, a bottom shell provided with an air vent and a suction nozzle integrally provided with a filter screen, wherein the bottom shell and the sleeve are coaxially arranged, the bottom shell is movably sleeved on the sleeve, a capsule opening structure is arranged on the bottom shell, a movable cavity is formed by matching the sleeve and the bottom shell, the suction nozzle is slidably arranged in the movable cavity, a drawing and ejecting mechanism is arranged between the suction nozzle and the sleeve, the drawing and ejecting mechanism comprises an elastic reset piece arranged on the suction nozzle and a pulling piece matched with the elastic reset piece, and a through groove in sliding fit with the pulling piece is formed in the sleeve;
the sleeve is hinged with a sealing cover, and the sealing cover is in transmission connection with the elastic resetting piece through a transmission structure;
in an initial state, the pulling part is located in the through groove, the pulling part is clamped with the elastic resetting part, the elastic resetting part stores elastic potential energy, and the sealing cover and the sleeve are matched to cover the suction nozzle.
Through the technical scheme, when a user needs to take medicine powder, the pulling piece is forced to slide in the through groove to move away from the elastic resetting piece, so that the pulling piece is not clamped with the elastic resetting piece any more, the elastic resetting piece releases elastic potential energy to drive the suction nozzle to slide in the movable cavity, meanwhile, through the transmission structure, the elastic resetting piece applies jacking force to the sealing cover, so that the suction nozzle is opened in a rotating mode relative to the sleeve when emerging from the sleeve, the sealing cover is opened in a rotating mode relative to the sleeve, the medicine powder in the capsule is released through the capsule opening structure, the suction nozzle is placed in the oral cavity by the user's hand through holding the sleeve, the situation that the hand directly contacts with the suction nozzle is reduced, the pollution to the suction nozzle is reduced, after medicine feeding is finished, the sealing cover covers the sleeve, meanwhile, the elastic resetting piece stores the elastic potential energy again through the transmission structure and is, the suction nozzle is in the initial state again, and the sealing cover and the sleeve are matched to shield the suction nozzle, so that the pollution of the external environment to the suction nozzle is reduced.
Furthermore, the elasticity piece that resets includes top briquetting and is used for storing elastic potential energy's compression reciprocating member, top briquetting with the pulling part joint, compression reciprocating member with the suction nozzle is connected.
Through the technical scheme, the pushing block is not connected with the pulling piece in a clamped mode any more by pulling the pulling piece, the compression reciprocating piece releases elastic potential energy stored in an initial state, the suction nozzle connected with the compression reciprocating piece slides in the movable cavity, and then the sealing cover is opened, so that the suction nozzle is exposed in the environment before medicine is fed.
Furthermore, two opposite surfaces of the top pressing block and the pulling piece are respectively provided with a consistent mounting groove, and a clamping ball is arranged in one of the mounting grooves.
Through above-mentioned technical scheme, the piece that draws keeps away from the top briquetting for the mounting groove on the piece that draws loses the card effect to the card ball, makes the top briquetting be in the active state, thereby realizes releasing the elastic potential energy that elasticity reset the piece, drives the suction nozzle motion.
Furthermore, the transmission structure comprises a pressed block and a transmission rod connected with the jacking block, the pressed block is arranged at the hinged position of the sealing cover, and when the compression reciprocating piece releases elastic potential energy, the transmission rod jacks the pressed block to open the sealing cover.
Through above-mentioned technical scheme, the roof pressure piece drives the transfer line motion during motion, and the transfer line motion is to the piece application of force that is pressed to drive sealed lid and rotate round articulated department, make sealed lid no longer cover and establish the suction nozzle, and because the position in activity chamber is limited, transmission simple structure is convenient for realize.
Further, a powder chamber is formed between the bottom shell and the sleeve in a matching manner, and the capsule opening structure comprises an opening formed in the bottom shell to be communicated with the powder chamber;
the bottom shell is provided with an opening, and a clamping groove for clamping the capsule is formed between the surrounding ring and the opening;
still include the baffler that is used for colliding the capsule, baffler locates in the powder chamber.
Through above-mentioned technical scheme, because current capsule generally is the soft construction of activity joint, capsule one end chucking is inserted in the chucking groove, makes the relative sleeve rotation of drain pan to make the capsule that stretches into in the powder chamber rotate to the baffling board butt to the drain pan application of force with the hand, and then when continuing to rotate the drain pan, the baffling board makes the capsule broken off with the fingers and thumb the capsule application of force, and the powder of medicine realization spills from the capsule.
Furthermore, the edge of the bottom shell is provided with a rotating port to form a rotating sheet, the sleeve corresponds to the rotating port and is provided with a blocking sheet, and when the bottom shell rotates coaxially relative to the sleeve to the blocking sheet and the rotating sheet in a butting mode, the clamping groove and the blocking plate are arranged in a staggered mode.
Through above-mentioned technical scheme, when blockking that piece and rotor plate butt, insert the chucking groove with the one end of capsule again in, it is just in time relative with the chucking groove to avoid the baffler, lead to the capsule can't put into the powder room, because the user stings the suction nozzle on the mouth earlier when advancing medicine, injects the capsule into the chucking groove again, through the rotor plate with block the cooperation of piece, the suggestion user of being convenient for will be earlier with rotor plate and rotate to and block piece butt, install the capsule again.
Furthermore, an indication groove used for prompting a user to rotate the bottom shell is formed in the outer wall of the bottom shell.
Through the technical scheme, an operator can be reminded to rotate the bottom shell to the clamping groove and stagger the blocking plate in advance according to the direction of the indicating groove, so that subsequent capsules can be conveniently and smoothly inserted into the clamping groove.
Furthermore, an antibacterial layer is arranged on the surface of the sealing cover facing the suction nozzle.
Through above-mentioned technical scheme, the user finishes taking the powder after, washs, rotates sealed lid to the state of closing, and the antibacterial layer produces antibacterial component, takes place the guard action to the suction nozzle that is in the activity chamber, improves the clean rate of suction nozzle during not using.
Compared with the prior art, the invention has the following beneficial effects:
(1) through the arrangement of the drawing and popping mechanism and the like, the matching of the drawing part, the elastic reset part and the transmission structure enables a user to pull the drawing part, the suction nozzle pops out of the movable cavity when the sealing cover is opened, the user holds the sleeve to finish taking medicine, the pollution of the hand to the suction nozzle is reduced, and after the sealing cover is closed, the sealing cover and the sleeve are matched to shield the suction nozzle, so that the pollution of the external environment to the suction nozzle is reduced;
(2) through setting up the instruction groove, remind the user to rotate the drain pan in advance to chucking groove and separation plate stagger to be convenient for follow-up capsule injects the chucking groove smoothly.
Drawings
FIG. 1 is an overall schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention taken along its central axis;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 2;
fig. 5 is a schematic cross-sectional view of a sealing cap showing an antibacterial layer.
Reference numerals: 1. a sleeve; 11. a through groove; 12. a blocking sheet; 2. a bottom case; 21. a vent hole; 22. a rotation port; 23. a rotating sheet; 24. an indication groove; 3. a suction nozzle; 31. filtering with a screen; 4. a movable cavity; 5. drawing and popping the mechanism; 51. an elastic reset member; 511. pressing the block; 512. compressing the reciprocating member; 52. a pulling member; 521. a sliding part; 522. a hand-held portion; 6. installing a groove; 61. a locking ball; 7. a powder chamber; 8. a capsule opening structure; 81. an opening; 82. a surrounding ring; 821. a clamping groove; 83. a barrier plate; 9. a sealing cover; 91. a bacteriostatic layer; 10. a transmission structure; 101. a pressed block; 102. and a transmission rod.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.
Combine fig. 1 and fig. 2, a capsule type dry powder inhaler, including sleeve 1, drain pan 2 and an organic whole are connected with the suction nozzle 3 of filter screen 31, sleeve 1 and drain pan 2 all are hollow structure's tubular structure, the uncovered setting in sleeve 1 both sides, the uncovered setting in drain pan 2 one side, and sleeve 1 is whole to be "protruding" font along its axial section, and the coaxial movable sleeve of drain pan 2 is established on the less part of sleeve 1 diameter, the great part of sleeve 1 diameter and drain pan 2 butt, three air vent 21 has been seted up on the side of drain pan 2 keeping away from sleeve 1, sleeve 1 and drain pan 2 cooperation are formed with movable chamber 4, 3 slidable mounting of suction nozzle are in movable chamber 4.
With reference to fig. 2 and 4, in detail, a drawing and popping mechanism 5 is arranged between the suction nozzle 3 and the sleeve 1, the drawing and popping mechanism 5 comprises an elastic reset piece 51 arranged on the suction nozzle 3 and a drawing piece 52 matched with the elastic reset piece 51, the drawing piece 52 is integrally in an "i" shape and comprises a sliding part 521 and a handheld part 522, a through groove 11 in sliding fit with the sliding part 521 is formed in the side wall of the sleeve 1, the through groove 11 is in a "T" shape, the sliding part 521 extends into the movable cavity 4 from the through groove 11, and the handheld part 522 is integrally in a disc shape. The elastic reset piece 51 comprises a top pressing block 511 and a compression reciprocating piece 512 for storing elastic potential energy, the compression reciprocating piece 512 is wholly positioned in the movable cavity 4 between the suction nozzle 3 and the through groove 11, the compression reciprocating member 512 may be provided as a spring having high elasticity, both ends of which are fixedly connected with fixing blocks, wherein the lower fixed block is fixedly connected with the inner wall of the sleeve 1, the other fixed block is fixedly connected with the top pressure block 511, the top pressure block 511 is slidably connected with the outer wall of the suction nozzle 3, two side surfaces of the top pressure block 511 opposite to the hand-held part 522 of the pulling part 52 are respectively provided with a mounting groove 6 with the same size and dimension, the mounting grooves 6 are hemispherical, one of the mounting grooves 6 is provided with a locking ball 61, the locking ball 61 can be fixedly adhered to the mounting groove 6 on the sliding part 521, and the surface of the locking ball 61 can be coated with a rubber layer for increasing friction force.
In the initial state, the elastic restoring piece 51 is compressed to store elastic potential energy, the handheld portion 522 is close to the outer wall of the sleeve 1, the clamping balls 61 are clamped in the two mounting grooves 6 at the same time, and most of the whole suction nozzle 3 is located in the movable cavity 4, so that the sleeve 1 covers most of the suction nozzle 3.
Referring to fig. 1 and 2, a powder chamber 7 is formed between the smaller diameter portion of the sleeve 1 and the bottom case 2 in a matching manner, a capsule opening structure 8 for pouring out the powder in the capsule is disposed on the bottom case 2, specifically, the capsule opening structure 8 includes an opening 81, a surrounding ring 82 and a blocking plate 83, the opening 81 is disposed on the bottom case 2 to communicate with the powder chamber 7, the opening 81 is adapted to the size of the capsule and is circular, the opening 81 and the vent hole 21 are located on the same plane, the surrounding ring 82 and the opening 81 are coaxially disposed, the surrounding ring 82 is partially embedded into the bottom case 2 and fixedly connected with the bottom case 2, a clamping groove 821 for clamping the capsule is formed between the surrounding ring 82 and the opening 81, the blocking plate 83 is disposed in the powder chamber 7 and fixedly connected with the inner wall of the smaller diameter portion of the sleeve 1, and the blocking plate 83 is disposed along the length direction of the sleeve 1.
As shown in fig. 3, the edge of the bottom case 2 abutted to the smaller diameter portion of the sleeve 1 is provided with a rotation port 22 to form a rotation piece 23, the angle of the rotation port 22 is greater than 180 °, the edge of the sleeve 1 abutted to the bottom case 2 corresponds to the rotation port 22 and is integrally connected with a blocking piece 12, the angle corresponding to the blocking piece 12 is 30-40 °, and when the bottom case 2 rotates coaxially relative to the sleeve 1 until the blocking piece 12 abuts to the rotation piece 23 and the inside of the powder chamber 7 is viewed from the opening 81, the chucking groove 821 and the blocking plate 83 are arranged in a staggered manner. An indicating groove 24 for prompting a user to rotate the bottom shell 2 is formed in the outer wall of the bottom shell 2, the indicating groove 24 is specifically in the shape of an arrow, two indicating grooves 24 are formed, and the directions of the two arrows are opposite.
The existing capsule is generally a two-section capsule made of gelatin or cellulose material, two capsule shells form a sealed cavity through sleeving, medicinal powder is put into the cavity in advance, one end of the capsule is inserted into the medicinal powder chamber 7 from the clamping groove 821, the bottom shell 2 is rotated according to the indicating groove 24, the capsule extending into the medicinal powder chamber 7 is abutted to the blocking plate 83, and after the capsule is rotated continuously, the blocking plate 83 exerts blocking force on the capsule extending into the medicinal powder chamber 7, so that the sleeving part of the two capsules is stretched, and the medicinal powder is scattered out of the cavity.
As shown in fig. 2, a sealing cover 9 is hinged to one end of the sleeve 1, which is far away from the bottom shell 2, the sealing cover 9 is integrally in a hemispherical shell shape, the sealing cover 9 can be hinged to the sleeve 1 by arranging a rotating shaft or other connecting parts, the sealing cover 9 is in transmission connection with the jacking block 511 by arranging a transmission structure 10, the transmission structure 10 comprises a compression block 101 and a transmission rod 102, the transmission rod 102 is arranged in parallel with the axis of the sleeve 1, one end of the transmission rod is fixedly connected with the jacking block 511, the compression block 101 is fixedly connected with the inner wall of the sealing cover 9, and the compression block 101 is arranged perpendicular to the transmission rod 102, when the reciprocating member 512 is compressed to release elastic potential energy, the jacking block 511 moves to enable the transmission rod 102 to jack the compression block 101, so that the sealing cover 9 rotates around the.
As shown in fig. 5, an antibacterial layer 91 is disposed on the surface of the sealing cover 9 facing the suction nozzle 3, the antibacterial layer 91 is specifically configured as a fiber layer loaded with bamboo charcoal powder, the bamboo charcoal has the function of adsorption and decomposition, the antibacterial layer 91 is adhered to the sealing cover 9, and when the sealing cover 9 is covered on the sleeve 1, the antibacterial layer 91 adsorbs the odor and bacteria in the movable cavity 4.
The working process of the invention is as follows:
the user is according to the direction of instructing groove 24, rotate drain pan 2 to rotating piece 23 and block piece 12 butt, later both hands are with the outside pulling of handheld portion 522, make sealed lid 9 rotate, suction nozzle 3 pops out from activity chamber 4 simultaneously, later, the user puts suction nozzle 3 in the mouth, simultaneously inject capsule piece one end in chucking groove 821, reverse drain pan 2, capsule piece and baffling board 83 effect, make the capsule piece stretch open, make powder fall in powder room 7, the user inhales the powder in inhaling the import chamber through breathing in, after accomplishing the medicine taking, user's reversal sealed lid 9, make suction nozzle 3 reenter activity chamber 4 through drive structure 10, the user is pushing handheld portion 522 toward logical groove 11, make the common card of card dress ball 61 block in two mounting grooves 6, realize sealed lid 9 and sleeve 1 and cover suction nozzle 3.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (5)
1. A capsule type dry powder inhaler comprises a sleeve (1), a bottom shell (2) provided with a vent hole (21) and a suction nozzle (3) integrally provided with a filter screen (31), the bottom shell (2) and the sleeve (1) are coaxially arranged, the bottom shell (2) is movably sleeved on the sleeve (1), the bottom shell (2) is provided with a capsule opening structure (8), it is characterized in that the sleeve (1) and the bottom shell (2) are matched to form a movable cavity (4), the suction nozzle (3) is arranged in the movable cavity (4) in a sliding manner, a drawing and ejecting mechanism (5) is arranged between the suction nozzle (3) and the sleeve (1), the drawing and ejecting mechanism (5) comprises an elastic reset piece (51) arranged on the suction nozzle (3) and a drawing piece (52) matched with the elastic reset piece (51), a through groove (11) in sliding fit with the pulling piece (52) is formed in the sleeve (1);
a sealing cover (9) is hinged to the sleeve (1), and the sealing cover (9) is in transmission connection with the elastic resetting piece (51) through a transmission structure (10);
in an initial state, the pulling piece (52) is located in the through groove (11), the pulling piece (52) is clamped with the elastic resetting piece (51), the elastic resetting piece (51) stores elastic potential energy, and the sealing cover (9) is matched with the sleeve (1) to cover the suction nozzle (3); the elastic reset piece (51) comprises a top pressing block (511) and a compression reciprocating piece (512) used for storing elastic potential energy, the top pressing block (511) is clamped with the pulling piece (52), the compression reciprocating piece (512) is connected with the suction nozzle (3), the transmission structure (10) comprises a pressed block (101) and a transmission rod (102) connected with the top pressing block (511), the pressed block (101) is arranged at the hinged position of the sealing cover (9), and when the compression reciprocating piece (512) releases the elastic potential energy, the transmission rod (102) presses the pressed block (101) to open the sealing cover (9); a powder chamber (7) is formed between the bottom shell (2) and the sleeve (1) in a matching manner, and the capsule opening structure (8) comprises an opening (81) arranged on the bottom shell (2) to be communicated with the powder chamber (7);
the capsule clamping device further comprises an enclosing ring (82) arranged on the bottom shell (2) and positioned at the opening (81), and a clamping groove (821) for clamping the capsule is formed between the enclosing ring (82) and the opening (81);
the capsule powder filling machine further comprises a blocking plate (83) for colliding the capsule, wherein the blocking plate (83) is arranged in the powder chamber (7).
2. The capsule type dry powder inhaler according to claim 1, wherein the two surfaces of the top pressing block (511) opposite to the pulling member (52) are respectively provided with a uniform mounting groove (6), and one of the mounting grooves (6) is provided with a locking ball (61).
3. The capsule type dry powder inhaler according to claim 1, wherein the bottom case (2) is opened with a rotation port (22) to form a rotation piece (23), the sleeve (1) is provided with a blocking piece (12) corresponding to the rotation port (22), and the blocking groove (821) is disposed to be staggered from the blocking plate (83) when the bottom case (2) is coaxially rotated with respect to the sleeve (1) until the blocking piece (12) abuts against the rotation piece (23).
4. The capsule-type dry powder inhaler according to claim 1, wherein an indication groove (24) for prompting a user to rotate the bottom case (2) is formed on the outer wall of the bottom case (2).
5. The capsule-type dry powder inhaler according to claim 4, wherein the face of the sealing cap (9) facing the mouthpiece (3) is provided with an antibacterial layer (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910176499.4A CN109847158B (en) | 2019-03-08 | 2019-03-08 | Capsule type dry powder inhaler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910176499.4A CN109847158B (en) | 2019-03-08 | 2019-03-08 | Capsule type dry powder inhaler |
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| Publication Number | Publication Date |
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| CN109847158A CN109847158A (en) | 2019-06-07 |
| CN109847158B true CN109847158B (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910176499.4A Active CN109847158B (en) | 2019-03-08 | 2019-03-08 | Capsule type dry powder inhaler |
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| Country | Link |
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| CN (1) | CN109847158B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111470134B (en) * | 2020-04-21 | 2021-08-20 | 青岛市妇女儿童医院 | Preliminary splitting method of capsule medicine for surface anesthetic |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2064334B (en) * | 1979-10-16 | 1984-03-14 | Glaxo Group Ltd | Inhalation device for administering powdered medicaments |
| CN1209755A (en) * | 1996-01-29 | 1999-03-03 | 厄恩斯特·赫尔林 | Capsule oppening apparatus for use in powder inhaler |
| CN2669889Y (en) * | 2003-11-25 | 2005-01-12 | 牛甲民 | Self-positioning safety puncture needle |
| CN2919984Y (en) * | 2006-07-03 | 2007-07-11 | 琦美兴业股份有限公司 | Water bottle with elastic telescopic sucking nozzle |
| CN201284057Y (en) * | 2008-10-17 | 2009-08-05 | 浙江哈尔斯真空器皿股份有限公司 | Bottle cap with suction nozzle |
| CN103806770A (en) * | 2014-02-13 | 2014-05-21 | 昆山振宏电子机械有限公司 | Bolt |
-
2019
- 2019-03-08 CN CN201910176499.4A patent/CN109847158B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2064334B (en) * | 1979-10-16 | 1984-03-14 | Glaxo Group Ltd | Inhalation device for administering powdered medicaments |
| CN1209755A (en) * | 1996-01-29 | 1999-03-03 | 厄恩斯特·赫尔林 | Capsule oppening apparatus for use in powder inhaler |
| CN2669889Y (en) * | 2003-11-25 | 2005-01-12 | 牛甲民 | Self-positioning safety puncture needle |
| CN2919984Y (en) * | 2006-07-03 | 2007-07-11 | 琦美兴业股份有限公司 | Water bottle with elastic telescopic sucking nozzle |
| CN201284057Y (en) * | 2008-10-17 | 2009-08-05 | 浙江哈尔斯真空器皿股份有限公司 | Bottle cap with suction nozzle |
| CN103806770A (en) * | 2014-02-13 | 2014-05-21 | 昆山振宏电子机械有限公司 | Bolt |
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