CN1886319A - Moisture-tight edible film dispenser and method thereof - Google Patents

Moisture-tight edible film dispenser and method thereof Download PDF

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Publication number
CN1886319A
CN1886319A CN 200480034782 CN200480034782A CN1886319A CN 1886319 A CN1886319 A CN 1886319A CN 200480034782 CN200480034782 CN 200480034782 CN 200480034782 A CN200480034782 A CN 200480034782A CN 1886319 A CN1886319 A CN 1886319A
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China
Prior art keywords
lid
film
flexible arm
index
shell
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Granted
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CN 200480034782
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Chinese (zh)
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CN100540430C (en
Inventor
让-皮埃尔·吉罗
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CSP Technologies Inc
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CSP Technologies Inc
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Abstract

A film dispenser for dispensing individual strips of film comprising a main housing with an integrally attached hinged lid, wherein the housing and lid are one injection molded part that interfaces with a body and, when the closed, the lid creates a moisture tight seal with the main housing, the lid having a flexible arm attached to an underside of the lid, an opening in a topside of the main housing where a portion of the opening acts as a hinge point for the flexible arm, and, when the lid is opened, the arm assists in pushing or pulling the film out of the package; the body that is attached to the main housing to form a moisture tight seal with the main housing; and an indexing finger composed of an elastomer and attached to the underside of the hinged lid, the finger interacts with the flexible arm to dispense the individual strips.

Description

Damp-proof edible film dispenser and distribution method thereof
Technical field
At present, the edible film of some type is used as the movement system (delivery system) of peppermint and oral health products.Typically, film is pre-cut into the sheet of rectangle and is packaged in the flat first package.Edible film is stacked in the package.The problem that present package may be run into is to remove a slice film and have difficulties from stacks of thin films.Another problem that present package may be run into is a diaphragm its length of life tend to sometimes curl (when film is exposed in the moisture).
In Another application, it is believed that edible film can be used as the movement system of prescription medicine.Edible film comprises carrier and the adjustable required medicine of being made by edible film of dose.In a such application, the user can put into edible film in their mouth and edible film will dissolve-rapidly with medicament distribution in body.But in this was used, people wished in use to guarantee to send unit dose (monolithic thin film).
Summary of the invention
The present invention relates to a kind of edible film dispenser, it provides single film tape in each index cyclic process.In another embodiment, this edible film dispenser provides damp-proof sealing in Keeping life and length of life.
Film dispenser of the present invention comes casehistory by shown two edible film dispenser: (1) continuous films distributing box, the wherein design that the film of unit dose is cut in the index cyclic process and (2) are used to distribute precut diaphragm.But, should be understood to, these designs only are Illustrative, and do not mean that the scope of the present invention that limited.
Description of drawings
In those rights and interests that have been disclosed with in improving, other purpose of the present invention and advantage will become clear by following description taken in conjunction with the accompanying drawings.These accompanying drawings have constituted the part of specification sheets and have comprised illustrative embodiment of the present invention and various purpose of the present invention and feature have been described.
Figure 1A, 1B and 1C are the transparents view of one embodiment of the present of invention, show the continuous films distributing box, and wherein Figure 1A shows the flip-top main shell, and Figure 1B shows traction guide apparatus, and Fig. 1 C shows the driven unit with driven roller and anvil roll.
Fig. 2 is the side perspective view of one embodiment of the present of invention, shows the method for feeding continuous film.
Fig. 3 is the side perspective view of one embodiment of the present of invention, shows the running of driver train.
Fig. 4 is the side perspective view of one embodiment of the present of invention, shows index film from distributing box.
Fig. 5 A and 5B are the transparents view of one embodiment of the present of invention, show the continuous films distributing box, and wherein Fig. 5 A shows the side perspective view of this distributing box, and Fig. 5 B shows the rotation of this continuous films distributing box.
Fig. 6 and 6A are the transparents view of different embodiments of the invention, show the continuous films distributing box with distinct methods, and by these methods, sprocket wheel can be actuated to forward the index cartridge belt and therefore distribute web.
Fig. 7 A and 7B are the transparents view of one embodiment of the present of invention, show the continuous films distributing box, and wherein Fig. 7 B shows the side perspective view of this distributing box, and Fig. 7 A shows the rotation of this continuous films distributing box.
Fig. 8 is the transparent view of one embodiment of the present of invention, shows precut film dispenser.
Fig. 9 A, 9B and 9C are the side perspective view of one embodiment of the present of invention, show precut film dispenser, wherein Fig. 9 A and 9B show when lid is raised, because flexible arm is hinged a prevention and moves up, this causes the flexible arm quilt to front haulage, and Fig. 9 C shows when film dispenser is closed, and flexible arm is pushed through "T"-shaped opening and the described hinge-point of process.
The specific embodiment
Specific embodiment of the present invention is open at this; But, should be understood to, the disclosed embodiments only are that the present invention can have multi-form embodiment to illustrated example explanation of the present invention.In addition, according to each example that various embodiments of the invention provide, it is intended that illustrative, rather than restrictive.And accompanying drawing might not be proportional, and some features can be exaggerated so that the details of specific features to be shown.Therefore, the ad hoc structure and the function detail that are disclosed in here should not be interpreted as restriction, and only are to use the present invention with instruction those skilled in the art in many-side as representative.
In one embodiment, film dispenser of the present invention is expressed as an edible film dispenser that is designed to distribute precut diaphragm in the accompanying drawings.But, should be appreciated that this design only is illustrative and does not mean that and limit the scope of the invention.
In an example, precut diaphragm is packaged in the container (for example, continuous cartridge belt).For example, this cartridge belt is made up of two plastic sheetings (for example PP, PET etc.), their bags punched and that weld together is placed for each sheet film with formation.One group of evenly spaced traction pilot hole is configured in this cartridge belt.These pilot holes are used to the cartridge belt in the index assignment device accurately.
In one embodiment, Yu Qiege film dispenser is formed (see figure 1) by following parts.Each diaphragm is stack up or separated by release liner stackedly up and down directly.By uncover, a single web is by pushing it against indexed the piling up of less elastic spacer of a tilt component, and described tilt component upwards guides diaphragm and it is guided to outside the container, so that this diaphragm can be removed.
In one embodiment, precut film dispenser is formed (referring to, Fig. 8 for example) by following parts:
1. lid and main shell-injection molding part and form the interface with main body.This assembly has a main shell and a pivotally attached lid.When closing, lid and main shell form a damp-proof sealing.One "T"-shaped opening is arranged in main shell.The hinge-point of one parts as flexible arm arranged, when this flexible arm slides under the hinge-point in this opening.Described lid and main shell are attached on the main body in the mode of setting up moisture seal.
2. main body-injection molding part is for example by for example polypropylene and at least a portion desiccant plastic carry out double-colored ejection formation (two shot molding) and make to a kind of material.Described desiccant plastic is absorbed in the steam that Keeping life and length of life enter into package.In an example, desiccant plastic holds diaphragm and constitutes the inclined-plane or ramp shaped, thereby this film tape is forced to rise and be withdrawn into outside the package when indexed.In another embodiment, child (CR) parts also can be integrated in these parts.By pushing the CR parts, lid can be opened, thereby causes film to be assigned with.
3. index point-injection molding part, its for example by to elastic body and a kind of material for example polypropylene carry out double-colored ejection formation and make.This index point is attached on the hinged lid in assembly process.The end that is not attached on the lid of index point is made by elastic body, and it contacts with film tape when cover closing.It is coupled in the main shell by "T"-shaped slit.
In an example of the present invention's operation, package is sealed when it is closed.Sealing of lid is (for example by pushing sealing member) to main shell.The result has formed moisture seal.When desiccant plastic is used for being absorbed in the opening and closing of distributing box or may enter into the steam of package by the material infiltration.Because film strip itself comprises steam, therefore in an example, use absorbing material, this steam can be purged by the temperature that part stood of changing package.Therefore, the present invention can hold it in the dry environment in the whole Keeping life and the length of life of film strip.
When lid was opened, the arm that is connected to this lid pushed film strip come or pulls out from piling up, and releases from package or pull out.When cover closing, described arm turns back to initial position, and is ready for distribute circulation next time.
Below be explanation of the present invention (shown in Fig. 9 A to 9C).In Fig. 9 C, when film dispenser was closed, flexible arm was pushed through "T"-shaped opening and process hinge-point.In Fig. 9 A, when lid was raised, the flexible arm quilt was to front haulage, and hinge-point prevents that it from moving up simultaneously.This flexible arm rides in the passage that is formed by "T"-shaped slit.Because the elastic part of flexible arm contacts with film strip, thus the top film web that piles up with flexible arm by to front haulage.When it ran into the tilt component of base, it was altered course upwards and is passed through "T"-shaped opening, thereby can be near it.
Push back lid downwards and make itself and main shell form sealing, flexible arm turns back to initial position, for the next web of index is got ready.Replacedly, the user can continue to open this package, thereby flexible arm is crossed hinge-point, and this makes it can leave "T"-shaped slit.This package is closed, thereby promotes flexible arm back by "T"-shaped slit and under hinge-point, for index is ready next time.
In one embodiment, the continuous films distributing box is formed (seeing Figure 1A, 1B and 1C) by following parts: to a kind of material for example polypropylene material and at least a portion desiccant plastic.
1. flip-top main shell (1)-injection molding part (for example by to polypropylene and thermoplastic elastomer (TPE), promptly Santoprene carries out double-colored ejection formation and makes).In one embodiment, Santoprene has formed damp-proof reusable sealing.
2. traction guide apparatus (2)-have the injection molding part (for example being made by polypropylene) of base, wherein this base is connected with two crawler belts of for example traction guide apparatus.This traction guide apparatus is assembled on the lid of main shell by the pillar in the main shell lid.In an example, described assembling can be realized by ultrasonic welding.
3. driven unit (hopper) (3)-(for example can make) by the desiccant plastic of polypropylene or 3-phase.In an example, driven roller and anvil roll are assembled in the hopper by being connected.Described hopper also has the feedway of supplying with edible film in single, continuous mode.In an example, driven unit is placed in the main shell, and assembles by spot welding or the ultrasonic welding of using thermal source.
Driven roller (4)-(for example can make, form axle and drive wheel in the polypropylene by double-colored jet forming method, wherein use TPE (Santoprene) apply in axle).In one embodiment, TPE is as the contact surface of edible film.For example, the sprocket wheel of driven roller is mounted in the tractor guide caterpillars.
5. anvil roll (5)-(for example can make by double-colored jet forming method, the interior axle of formation polypropylene is with interior of TPE (Santoprene) coating).For example, this TPE is as the contact surface of edible film.
In one embodiment, the continuous films distributing box has and is used to support 50-100 to distribute the on-cycle film-supplying device.Fig. 2 is the example of an embodiment of the method for feeding continuous films.In this example, edible film-supplying device is rotation not; On the contrary, this film is folded in the hopper, and this is similar to the cartridge ribbon of dot-matrix printer.Continuous edible film pieces is fed between driven roller and the anvil roll.
In this example, when the user opened the main shell lid, edible film was assigned with.When lid was opened, the traction guide apparatus that is connected to this lid also rotated up.In this motion process, when tractor guide caterpillars was mobile owing to the motion of lid, the sprocket wheel of driven roller produced the rotation (see figure 3).Edible film is positioned between driven roller and the anvil roll.When driven roller rotated, edible film was by the (see figure 4) of coming out of index from distributing box.
When cover closing, film is by the parts cutting (see figure 1) that is similar to knife on the flip-top lid bottom side in the main shell.This lid is set up once more by snap close and moisture seal.In one embodiment, moisture seal remains below about 300 microgram/skies with entering of steam.
In another embodiment, in the closed procedure of the pass of lid, tractor guide caterpillars turns back to initial position.Caterpillar teeth rides on the drive roller sprockets.This driven roller only along direction rotation-at the pass of lid closed procedure middle sprocket tooth with the crawler belt engagement and cause described sprocket wheel rotation.
In another embodiment, include " brake part ", its film that is used to prevent that the user from will cross volume was drawn to outside the distributing box before cutting.In another example, the feature of lid is designed such that its minimum amount that must be opened, and comes out to guarantee whole film dosage index from distributing box.
In the example of relevant precut film strip embodiment, precut film is packaged in (for example continuous cartridge belt) in the container.For example, the plastic sheeting of this cartridge belt and weld together punched by two (for example PP, PET etc.) is formed, to form the bag of placing for each sheet film.One group of evenly spaced traction machine pilot hole is placed in this cartridge belt.These pilot holes are used to the cartridge belt in the index assignment device accurately.
In one embodiment, Yu Qiege film dispenser is formed (see figure 5) by following parts:
1. flip-top main shell (6)-injection molding part (for example by be that Santoprene carries out double-colored ejection formation and makes to polypropylene and thermoplastic elastomer (TPE)).In one embodiment, Santoprene has formed moistureproof and reusable sealing.One group of through hole is arranged in the sidewall of main shell.In these holes each all has TPE liner-axle drive shaft and thumb wheel is assembled by these holes.
3. film index hopper (7)-(for example can make) by the desiccant plastic of polypropylene or 3-phase.Drive sprocket is mounted to (for example by being connected) in the described hopper.This hopper has two compartments that hold continuous cartridge belt, and a compartment is supply side (being filled with the cartridge belt of edible film pieces), and another is coiling compartment (take-upcompartment) (an empty cartridge belt).Driven unit is placed in (for example, spot welding or the ultrasonic welding assembling by using thermal source) in the main shell.
4. drive sprocket-(for example, making) by polypropylene.This drive sprocket drives by exterior thumb wheel.When drive sprocket rotated, the cartridge belt quilt is index forward.This sprocket wheel moves along a direction.
5. thumb wheel and axle drive shaft-(for example making) by polypropylene.Sprocket wheel is mounted on the axle drive shaft.Axle drive shaft passes film index hopper and is assembled in the main shell.One group of thumb wheel is connected to the end of this axle drive shaft.
Fig. 5,6,6a and 7 shows diverse ways (although being not limited to these methods), and sprocket wheel can be driven by these methods and index cartridge belt forward.In all cases, each single diaphragm is wrapped in the cartridge belt.This distributing box has the compartment of supply and coiling compartment.Cartridge belt is disposable parts: still, should be understood to, these designs only are illustrative and and do not mean that and limit the scope of the invention.
The embodiment of Fig. 5
1. open the flip-top lid.
2. rotate thumb wheel so that index a slice film.
3. remove film.
4. close cap.
The embodiment of Fig. 6
1. open the flip-top lid.
2. promote the index slide block forward so that index a slice film.
3. remove film.
4. close cap.
The embodiment of Fig. 6 a (double acting flip-top lid)
1. open two/part of flip-top lid.
2. promote the index slide block forward so that index a slice film.
3. remove film.
4. two/part of close cap.
The embodiment of Fig. 7
1. open two/part of flip-top lid.
2. distributing box is pressed together so that index a slice film (using the design of rack and pinion to come the index cartridge belt).
3. remove film.
4. two/part of close cap.
In another embodiment, the present invention also can comprise disposable or reusable distributing box.For example, people can lose whole distributing box after taking out edible film.Under reusable situation, in an example, used cartridge belt is disposable, thereby the new cartridge belt that is full of diaphragm can be reloaded in the reusable distributing box.In another embodiment, the part of distributing box can be made by desiccant plastic, for example disclosedly in US5911937 and US6214255 but is not limited thereto like that, and this two document is incorporated in this and draws and be reference.For example, film index hopper can be made by desiccant plastic.In another example, distributing box can hold the edible film of aequum, for example 25,50,75 and/or 100 units.
In one embodiment, distributing box of the present invention is designed to keep the moisture seal that is lower than about 300 microgram/skies in Keeping life and length of life.For the present invention, in another embodiment, distributing box of the present invention is " damp-proof " according to the described test protocol of USP671.In one embodiment, distributing box is considered to " damp-proof ", and the moisture peretrability that wherein is no more than 1/10th test dispenser was above 100mg/ days/liter.USP671 test the leak free container and be opened and the container that is sealed again subsequently on carry out.This test comprises makes that set amount is 4-8 purpose anhydrous calcium chloride desiccant at first under 110 degree dry one hour, cools off subsequently in dryer.Then, select 12 containers of the same size and each container opened and closed 30 times.According to the regulation in the USP monograph, moment of torsion is applied to lid.Desiccant is added in 10 packages that are marked as test chamber subsequently.Then, for container greater than 20ml, 13mm in the opening of packing into, and for the container less than 20ml, being fills up to 2/3rds expires.Be applied to the moment of torsion of stipulating in the monograph to lid subsequently.For the container less than 20ml, the least unit of record is 0.1mg; For the container of 20ml-200ml, the least unit of record is mg; For the container greater than 200ml, the least unit of record is a centigram.It is that 23 degree ± 2 degree, relative humidity are under 75% ± 3% the condition that this container is stored in temperature.After 36 ± 1 hours, record weight is wherein by to calculate moisture peretrability in mg/ days/liter.
Be illustrative example below; (breath strip) tests to the breath strips in the container of the present invention; and make comparisons with undried breath strips packing under 25 ℃, the condition of 80%RH (relative humidity), be packaged in the validity of protection web in the process in service life to determine these.Waston spearmint breath web, the web of Wrigley spearmint breath web and Pfizer is tested under 25 ℃, the condition of 80%RH so that determine web its be arranged in self primary package service life chemical inertness under the condition variation.
Test 1 (present container)
1. for each variable or traction breath strips is carried out five repeated tests.
2.24 each in the individual Waston web (in current container) is placed in the chamber under 25 ℃, the condition of 80%RH, and before test each web group is carried out physics and describe.
3. observation sample was once so that found out the variation of outward appearance in per 24 hours.When sample begins caking or sticks together, sample is taken out in chamber.
Test 2 (the present invention)
1. for each variable or traction breath strips is carried out five repeated tests.
2.24 each in the individual Waston web (in the CSP of drying bag packing) is placed in the chamber under 25 ℃, the condition of 80%RH, and before test each web group is carried out physics and describe.
3. observation sample was once so that found out the variation of outward appearance in per 24 hours.When sample begins caking or sticks together, sample is taken out in chamber.
Conclusion
Test 1
1. all the Waston webs in all containers all lumpd in 24 hours.In any one web, do not see change color.
Test 2
1. after 21 days, do not lump.Approximately used the desiccant of about 1/3 volume, but after 21 days, the absorptivity of desiccant is lower than the speed that enters package.After 22 days, all the Waston webs in all containers all produce caking.In any one web, do not see change in color.
Although specific embodiment of the present invention above is being described as an example, should be appreciated that, under the prerequisite that does not depart from scope of the present invention, can make change to each details.Those skill in the art will appreciate that the present invention can carry out by the embodiment except that the disclosed embodiments, all these purposes of disclosed embodiment in specification sheets are intended to casehistory and unrestricted.It should be noted that the equivalents of the specific embodiment of discussing also can be implemented the present invention in this specification sheets.Therefore, when determining exclusive right scope of the present invention, should be with reference to appended claim rather than the example of discussing previously.

Claims (11)

1. film dispenser that is used to distribute single film strip comprises:
(a) main shell, it has one bonded assembly hinged-lid, wherein said shell and described lid are the injection molding parts that and a main body form interface, and when cover closing, described lid and main shell form moisture seal, described lid has a flexible arm that is connected to the lid bottom side, in the top side of main shell one opening is arranged, the part of its split shed is used as the hinge-point of flexible arm, and, when lid was opened, described arm helped divided thin film is fitted on outside the package;
(b) be connected on the main shell so that form the described main body of moisture seal with main shell; With
(c) index point, it is made and is connected to the hinged-lid bottom side by elastic body, and described pointer and described flexible arm mutual action are to distribute described single web.
2. film dispenser as claimed in claim 1 is characterized in that, described main body is the injection molding part of making by double-colored ejection formation.
3. film dispenser as claimed in claim 2 is characterized in that at least a portion shell is made by desiccant plastic.
4. film dispenser as claimed in claim 3 is characterized in that desiccant plastic is configured to the shape on inclined-plane or slope, makes to force film strip upwards and outside package when the film strip index.
5. film dispenser as claimed in claim 1 is characterized in that, child parts are integrated in the described distributing box.
6. the method for the single film strip of index comprises step:
Close the lid of film dispenser, this causes promoting a flexible arm that is arranged in the lid bottom side and passes the "T"-shaped opening of shell and the hinge-point of process opening;
Promote described lid, because described hinge-point stops described arm to move up, this causes the flexible arm quilt to front haulage, and described thus flexible arm rides in the passage of "T"-shaped opening; And
Make film strip and described arm contact, thereby the single film strip that a film strip that is arranged in shell is piled up on the top is assigned with by described flexible arm.
7. film dispenser that is used to distribute single film strip comprises:
The flip-top main shell of injection mo(u)lding, it comprises the main shell with one bonded assembly hinged-lid;
Traction guide apparatus, it has and tractor guide caterpillars bonded assembly base, and described traction guide apparatus is connected on the interior section of lid of main shell;
Hopper with driven unit, described hopper has the feedway of continuous films web;
Become the single-piece driven roller with hopper, the sprocket wheel of described driven roller is assembled in the tractor guide caterpillars and helps to distribute web thus; With
Become the single-piece anvil roll with described hopper.
8. the method for the single film strip of index comprises step:
Open the lid of film dispenser, thereby the traction guide apparatus that causes being connected on the interior section of lid rotates up;
The sprocket wheel of rotating drive roller, this causes owing to the lid motion makes traction guide apparatus be moved;
When driven roller rotates web index from distributing box is come out, continuous thus edible film is positioned between driven roller and the anvil roll;
Close cap, this causes single film to be positioned at cutter shape parts cutting on the lid bottom side, and causes forming moisture seal between the lid of distributing box and shell.
9. the method for the single film strip of index as claimed in claim 8, it is characterized in that, in the closed procedure of the pass of lid, traction guide apparatus turns back to initial position, thereby traction guide apparatus rides on the sprocket wheel of driven roller, and described driven roller rotates along a direction, makes at the pass of lid closed procedure middle sprocket with traction guide apparatus engagement and cause described sprocket wheel rotation.
10. distributing box as claimed in claim 7 is characterized in that, the feedway of continuous films web is continuous cartridge belt.
11, distributing box as claimed in claim 10 is characterized in that, cartridge belt is made up of two plastic sheetings, the bag that this film is punched and weld together is placed for each sheet film with formation.
CNB2004800347825A 2003-11-24 2004-11-24 Damp-proof edible film dispenser and distribution method thereof Active CN100540430C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US52449503P 2003-11-24 2003-11-24
US60/524,495 2003-11-24
US60/533,362 2003-12-29

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101674988B (en) * 2007-02-27 2011-08-24 Csp技术公司 Bulk dispenser for pre-cut edible film
CN102414596A (en) * 2009-03-31 2012-04-11 康宁光缆系统有限责任公司 Methods of manufacture and assembly for hinged panel fiber opticmodule housing
CN103384631A (en) * 2011-02-23 2013-11-06 Csp技术公司 Flat pack containers
CN112996550A (en) * 2018-05-01 2021-06-18 Csp技术公司 Drug delivery device and methods of use and manufacture thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3523173A1 (en) * 1985-06-28 1987-01-08 Bramlage Gmbh DONOR
DE4205805A1 (en) * 1992-02-26 1993-09-02 Sanner Friedr Gmbh Co Kg Dispenser for test strips for checking for substances in fluids - has support for stack of strips inside housing and slider displaced by handle from outside
US6268032B1 (en) * 1997-10-03 2001-07-31 3M Innovative Properties Company Repositionable note sheets and method of formation thereof
US6578732B1 (en) * 2001-01-02 2003-06-17 Hellen Mabry Chewing gum stick dispenser

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101674988B (en) * 2007-02-27 2011-08-24 Csp技术公司 Bulk dispenser for pre-cut edible film
CN102414596A (en) * 2009-03-31 2012-04-11 康宁光缆系统有限责任公司 Methods of manufacture and assembly for hinged panel fiber opticmodule housing
CN102414596B (en) * 2009-03-31 2016-08-17 康宁光缆系统有限责任公司 Hinged optic module shell and module and manufacture and the method for assembling
CN103384631A (en) * 2011-02-23 2013-11-06 Csp技术公司 Flat pack containers
CN103384631B (en) * 2011-02-23 2016-08-24 Csp技术公司 flat packing container
CN112996550A (en) * 2018-05-01 2021-06-18 Csp技术公司 Drug delivery device and methods of use and manufacture thereof
CN112996550B (en) * 2018-05-01 2023-02-28 Csp技术公司 Drug delivery device and methods of use and manufacture thereof
US11878136B2 (en) 2018-05-01 2024-01-23 Csp Technologies, Inc. Medicament delivery device and method of using and making same

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