CN203616307U - Dissolution testing device for drug loading fibrous membranes - Google Patents
Dissolution testing device for drug loading fibrous membranes Download PDFInfo
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- CN203616307U CN203616307U CN201320686180.4U CN201320686180U CN203616307U CN 203616307 U CN203616307 U CN 203616307U CN 201320686180 U CN201320686180 U CN 201320686180U CN 203616307 U CN203616307 U CN 203616307U
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Abstract
The utility model relates to the technical field of drug tests and discloses a dissolution testing device for drug loading fibrous membranes. The device comprises a dissolution bottle, wherein the dissolution bottle is provided with at least one bottle opening, a wedge-shaped bottle stopper is correspondingly arranged on each bottle opening, at least one of three components, namely, a first long head needle, a fixing rod and a second long head needle, is arranged on each bottle stopper, each first long head needle can be used for sucking a to-be-tested buffer solution from the inside of the bottle, each second long head needle can be used for adding a fresh buffer solution into the bottle, one end of each of the first long head needle, the fixing rod and the second long head needle is arranged on each bottle stopper, and the other end of each of the first long head needle, the fixing rod and the second long head needle extends into the dissolution bottle. Compared with traditional drug dissolution testing devices, the dissolution testing device is simple in structure, small in size, convenient to operate, accurate in testing result and very suitable for being used in professional testing organizations such as laboratories, and factories.
Description
Technical field
The utility model relates to drug test technical field, more particularly, and particularly a kind of drug-loading fibre film Chinese traditional medicine stripping quantity proving installation used of testing.
Background technology
Dissolution rate refers to that medicine is from tablet, capsule and other slowly-releasings, controlled release preparation, and in regulation medium, dissolution rate under certain condition and stripping degree, be the inherent index of evaluating pharmaceutical preparation quality, is the important means of quality of the pharmaceutical preparations control.
Chinese Pharmacopoeia version in 2000 has been set the basket method that turns, slurry method, little agar diffusion method and has been measured the slurry disc device of transdermal patch release.But these install common complex structure, bulky, and each device can only be for the use of particular type sheet and granular medicament, versatility is not strong, and for fibrofelt, film-shaped drug carrier material, film and the frivolous material of felted particularly with fiber fines diameter material, its limitation is particularly evident.
Drug-loading fibre, film and felt class material, particularly have the material that nanofibrous structures is feature, and due to its performance and structural advantage, its use more and more comes into one's own.The existing characterization method for this class material mainly comprises: observation pattern uses scanning electron microscope, transmission electron microscope etc. conventionally, drug release device adopts the basket method that turns, slurry method and the little agar diffusion method that in pharmacopeia, stipulate more, adopts spectrophotometer method and high performance liquid chromatography and measure medicament contg more.
Can find out, the prior device part that comes with some shortcomings mainly comprises: bulky, complex structure, and prior device each can only test for single type medicine; For film and felt class medicine carrying material, prior device cannot solve material because water wettability is failed the problem fully infiltrating; Sampling need sample manually, and sampler is not integrated with whole device.
Utility model content
The utility model provides a kind of drug-loading fibre film stripping proving installation, is intended to solve complex structure in prior art, the technical matters that bulky, versatility is not strong.
In order to achieve the above object, the technical solution adopted in the utility model is as follows:
A kind of drug-loading fibre film stripping proving installation, comprise stripping bottle, stripping bottle is provided with at least one bottleneck, on bottleneck, correspondence is provided with wedge shape bottle stopper, described each bottle stopper be provided with can in bottle, draw damping fluid to be measured the first long scalp acupuncture, fixed bar and can to add in bottle these three kinds of parts of the second long scalp acupuncture of fresh buffer at least one; One end of described the first long scalp acupuncture, fixed bar and the second long scalp acupuncture is located on described bottle stopper, and the other end stretches in stripping bottle.
Further, described stripping bottle is test tube, long-neck conical flask or long-neck flat bottom flask, which is provided with a bottleneck, this bottleneck bottle stopper on be provided with the first long scalp acupuncture, fixed bar and the second long scalp acupuncture simultaneously.
Further, described stripping bottle is the there-necked flask that is provided with three bottlenecks, and each bottleneck of this there-necked flask is all provided with bottle stopper, and wherein, in the middle of being positioned at, the bottle stopper of bottleneck is provided with fixed bar; Be positioned on the bottle stopper of both sides bottleneck and be respectively equipped with the first long scalp acupuncture and the second long scalp acupuncture.
Further, described the first long scalp acupuncture and the second long scalp acupuncture syringe needle diameter be 0.7～1.2mm, needle length is 80～140mm, and the material of syringe needle is stainless steel.
Further, the base diameter of described bottle stopper is 18～28mm, and top diameter is 22～32mm, is highly 15mm.
Further, the material of described fixed bar is teflon, and its one end that is positioned at stripping bottle is claw type end, and the number of pawl is 3～5, and the angle between each pawl and the fixed bar body of rod is 30 °～60 °
Further, the material of described fixed bar is teflon, and its one end that is positioned at stripping bottle is spheric end, and the bottom of this spheric end is surface level or arcwall face.
Further, the material of described fixed bar is teflon, and its one end that is positioned at stripping bottle is wooden club shape, and the bottom of this wooden club shape is the taper of cross section drift angle between 45 °～60 °.
Further, on described test tube, long-neck conical flask or long-neck flat bottom flask all with scale; The height of described test tube is 120～140mm, and internal diameter is 20～30mm, and capacity is 10～20ml, and this test tube material is glass, and bottleneck diameter is 10mm;
The height of neck of described long-neck conical flask is 100mm, and eck internal diameter is 20～30mm, bottom conical flask body height 20～30mm, bottle end diameter 60～90mm, capacity 20～40ml;
The height of neck of described long-neck flat bottom flask is 100mm, and eck internal diameter is 20～30mm, bottle end diameter 60～90mm, capacity 20～40ml.
Further, three internal diameter of the bottleneck of described there-necked flask are 20～30mm, and bottleneck length is 20～40mm, and both sides bottleneck and middle bottleneck angle are 40 °, and the spherical main diameter of there-necked flask is 60～80mm, and capacity is 40～150ml.
Compared with prior art, the utility model has the advantage of:
The utility model is applicable to the measurement of various kinds of drug stripping, particularly medicine carrying membrane class medicine, and the kind of film comprises nonwoven fabrics, fibrofelt, fabric or film etc., and test process is simple, and measurement result is accurate.Meanwhile, compared with conventional medicament stripping proving installation, the utility model is simple in structure, volume is small and exquisite, easy to operate, is applicable to very much the professional testing agencies such as laboratory, factory and uses.
Drug-loading fibre film stripping proving installation of the present utility model, the end, one end of stretching on fixed bar in stripping bottle is designed to claw type, spherical or wooden club shape, mainly in order to increase the contact area between fixed bar end and medicine carrying membrane, make the medicine carrying membrane can be still keeping certain state of unfolding when arriving below the liquid level of buffer solution, thereby quicker, be easierly cushioned solution and fully infiltrate, guarantee the accuracy of test result.The utility model has effectively avoided some medicine carrying membrane because hydrophobic floating over do not reach abundant infiltration on buffer solution liquid level and affect the phenomenon of measurement result.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is the structural representation that in the drug-loading fibre film stripping proving installation that provides of the utility model, stripping bottle is test tube.
Fig. 2 is bottle stopper plan structure schematic diagram when stripping bottle is test tube in the drug-loading fibre film stripping proving installation that provides of the utility model.
Fig. 3 is the structural representation that the fixed bar of claw type end is provided in the drug-loading fibre film stripping proving installation that provides of the utility model.
Fig. 4 is one of end face structure schematic diagram having by the fixed bar of claw type end;
Fig. 5 be have the fixed bar of claw type end end face structure schematic diagram two;
Fig. 6 be have the fixed bar of claw type end end face structure schematic diagram three;
Fig. 7 is that in the drug-loading fibre film stripping proving installation that provides of the utility model, stripping bottle is that long-neck conical flask and fixed bar have one of structural representation of spheric end;
Fig. 8 is that in the drug-loading fibre film stripping proving installation that provides of the utility model, stripping bottle is two of long-neck conical flask and the fixed bar structural representation with spheric end;
Fig. 9 is the fixed rod structure schematic diagram with wooden club shape end;
Figure 10 is that in the drug-loading fibre film stripping proving installation that provides of the utility model, stripping bottle is the structural representation that long-neck flat bottom flask and fixed bar have wooden club shape end;
Figure 11 is that in the drug-loading fibre film stripping proving installation that provides of the utility model, stripping bottle is the structural representation that there-necked flask and fixed bar have wooden club shape end.
Description of reference numerals: 1, stripping bottle, 2, the first long scalp acupuncture, 3, fixed bar, 4, the second long scalp acupuncture, 5, bottle stopper, 6, fixed bar hole, 7, the first long scalp acupuncture hole, 8, the second long scalp acupuncture hole.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1 to 4, a kind of drug-loading fibre film stripping proving installation, comprise stripping bottle 1, stripping bottle 1 is provided with a bottleneck, on bottleneck, correspondence is provided with wedge shape bottle stopper 5, on bottle stopper, be provided with simultaneously can from draw in bottle damping fluid to be measured the first long scalp acupuncture 2, fixed bar 3 and can be to second long scalp acupuncture 4 these the three kinds of parts that add fresh buffer in bottle; One end of the first long scalp acupuncture 2, fixed bar 3 and the second long scalp acupuncture 4 is located on bottle stopper 5, and the other end stretches in stripping bottle 1.
The stripping bottle 1 of the present embodiment adopts test tube, the high 120mm of test tube, internal diameter 20mm, capacity 10ml and band scale, the longitudinal 10mm of mouth of pipe place's frosted; Bottle stopper 5(is test tube plug) cross section is wedge shape, and frosted processing, and the height of bottle stopper 5 is 15mm, and base diameter is 18mm, and top diameter is 22mm, center pit (fixed bar hole 6) aperture 4mm; The first long scalp acupuncture 1, fixed bar 3, the second long scalp acupuncture 4 respectively logical the first long scalp acupuncture hole 7, fixed bar hole 6 and the second long scalp acupuncture hole 8 are fixed on bottle stopper 5.The syringe needle diameter of the first long scalp acupuncture 2 used and the second long scalp acupuncture 4 is 0.7mm, and length is 80mm, and the material of syringe needle is stainless steel.The material of fixed bar 3 is teflon, and its one end that is positioned at stripping bottle 1 is claw type end, the long 120mm of fixed bar 3, and claw type end is four paws type, the long 8mm of each pawl, and between fixed bar 3 bodies of rod, θ angle is 30 °;
Drug-loading fibre film stripping method of testing in the present embodiment, comprises the steps:
[1]. in stripping bottle 1, pack a certain amount of damping fluid into, testing sample is put into stripping bottle 1, cover bottle stopper 5;
[2]. stripping bottle 1 is put into constant-temperature table, and behind certain hour interval, the damping fluid of drawing aequum from the first long scalp acupuncture 2 with syringe is to be measured, then adds the fresh buffer of equivalent from the second long scalp acupuncture 4.
In above-mentioned step [1], testing sample is medicine carrying membrane, medicine carrying membrane tiling is put into stripping bottle 1, regulate fixed bar 3, medicine carrying membrane sprawled be attached to be arranged on fixed bar 3 one end of stripping bottle 1 and medicine carrying membrane be pressed into damping fluid and medicine carrying membrane is fully infiltrated.
As shown in Figure 5, as different from Example 1, the stripping bottle 1 of the present embodiment adopts test tube, the high 140mm of test tube, internal diameter 30mm, capacity 20ml and band scale; Bottle stopper 5(is test tube plug) high 15mm, base diameter is 28mm, top diameter is 32mm, center pit (fixed bar hole 6) aperture 8mm; The long 140mm of fixed bar 3, claw type end is Three-claw type, the long 12mm of each pawl, and between fixed bar 3 bodies of rod, θ angle is 45° angle; The syringe needle diameter of the first long scalp acupuncture 2 used and the second long scalp acupuncture 4 is 1.2mm, and length is 100mm; Other are with embodiment 1.
As shown in Figure 6, as different from Example 1, stripping bottle 1 adopts test tube, the high 130mm of test tube, internal diameter 25mm, external diameter 28mm, capacity 15ml, and band scale; Bottle stopper 5 height are 15mm, and base diameter is 18mm, and top diameter is 22mm, and center pit (fixed bar hole 6) aperture is 4mm; The long 120mm of fixed bar 3, claw type end is five claw types, the long 10mm of each pawl, and between fixed bar 3 bodies of rod, θ angle is 60 ° of angles; The syringe needle diameter of the first long scalp acupuncture 2 used and the second long scalp acupuncture 4 is 0.8mm, and length is 110mm.
As shown in Figure 7, as different from Example 1, the stripping bottle 1 of the present embodiment is long-neck conical flask, and neck length is 100mm, and internal diameter is 20mm, and capacity is 20ml, and bottle end diameter is 60mm, and bottle height is 20mm; Bottle stopper 5(is test tube plug) high 15mm, base diameter is 24mm, top diameter is 30mm, center pit (fixed bar hole 6) aperture 6mm; The long 130mm of fixed bar 3, its one end that is positioned at stripping bottle 1 is spheric end, and the bottom of this spheric end is arcwall face, spherical height 15mm.The syringe needle diameter of the first long scalp acupuncture 2 used and the second long scalp acupuncture 4 is 0.9mm, and length is 90mm.
As shown in Figure 8, as different from Example 4, the stripping bottle 1 of the present embodiment is long-neck conical flask, and neck length is 100mm, and internal diameter is 25mm, and capacity is 30ml, and bottle end diameter is 70mm, and bottle height is 25mm; Bottle stopper 5 height are 15mm, and base diameter is 22mm, and top diameter is 28mm, and center pit (fixed bar hole 6) aperture is 6mm; The long 130mm of fixed bar 3, its one end that is positioned at stripping bottle 1 is spheric end, and the bottom of this spheric end is surface level, spherical height 10mm.
As shown in Figure 9, Figure 10, the stripping bottle 1 of the present embodiment is long-neck flat bottom flask, and neck length is 100mm, and internal diameter is 30mm, and capacity is 40ml, and bottle end diameter is 90mm, and bottle height is 30mm; Bottle stopper 5 height are 15mm, and base diameter is 28mm, and top diameter is 32mm, and center pit (fixed bar hole 6) aperture is 8mm; Fixed bar 3 is long is 130mm, point end wooden club shape, and cross section drift angle is 60 °, wooden club portion is highly 20mm; The syringe needle diameter of the first long scalp acupuncture 2 used and the second long scalp acupuncture 4 is 0.9mm, and length is 120mm.As different from Example 1, the long 125mm of fixed bar 3, its one end that is positioned at stripping bottle 1 is wooden club shape, has wooden club shape end, and the bottom of this wooden club shape is that cross section drift angle is 45 ° of tapers.Wooden club portion is highly 15mm; The syringe needle diameter of the first long scalp acupuncture 2 used and the second long scalp acupuncture 4 is 0.9mm, and length is 120mm.
As different from Example 6, the stripping bottle 1 of the present embodiment is long-neck flat bottom flask, and neck length is 100mm, and internal diameter is 24mm, and capacity is 25ml, and bottle end diameter is 70mm, and bottle height is 25mm; Bottle stopper 5 height are 15mm, and base diameter is 22mm, and top diameter is 26mm, center pit (fixed bar hole 6) aperture 8mm; Fixed bar 3 is long is 120mm, and the bottom of its this wooden club shape is that cross section drift angle is 50 ° of tapers.Wooden club portion is highly 15mm; The syringe needle diameter of the first long scalp acupuncture 2 used and the second long scalp acupuncture 4 is 0.9mm, and length is 120mm.Accompanying drawing is not shown.
As shown in figure 11, as different from Example 7, the stripping bottle 1 of the present embodiment is there-necked flask.Three internal diameter of the bottleneck are 20mm, and bottleneck length is 20mm, and ground processing, and spherical main diameter is 60mm, and capacity is 40ml; The height of three bottle stoppers 5 is 15mm, and base diameter is 18mm, and top diameter is 24mm, and center pit (the fixed bar hole 6) aperture of middle bottle stopper 5 is 5mm; The first long scalp acupuncture 1, fixed bar 3, the second long scalp acupuncture 4 respectively logical the first long scalp acupuncture hole 7, fixed bar hole 6 and the second long scalp acupuncture hole 8 are fixed on three bottle stoppers 5.Fixed bar 3 is long is 80mm, and the bottom of its this wooden club shape is that cross section drift angle is 60 ° of tapers; The syringe needle diameter of the first long scalp acupuncture 2 used and the second long scalp acupuncture 4 is 1mm, and length is 80mm.
Embodiment 9
As different from Example 8, the stripping bottle 1 of the present embodiment is there-necked flask; Three internal diameter of the bottleneck are 25mm, and bottleneck length is 30mm, and ground processing, and spherical main diameter is 70mm, and capacity is 90ml; The height of three bottle stoppers 5 is 15mm, and base diameter is 23mm, and top diameter is 27mm, and center pit (the fixed bar hole 6) aperture of middle bottle stopper 5 is 8mm; The syringe needle diameter of the first long scalp acupuncture 2 used and the second long scalp acupuncture 4 is 0.7mm, and length is 90mm.
Embodiment 10
As different from Example 8, the stripping bottle 1 of the present embodiment is there-necked flask; Three internal diameter of the bottleneck are 30mm, and bottleneck length is 40mm, and ground processing, and spherical main diameter is 80mm, and capacity is 150ml; The height of three bottle stoppers 5 is 15mm, and base diameter is 28mm, and top diameter is 32mm, center pit (fixed bar hole 6) the aperture 8mm of middle bottle stopper 5; The syringe needle diameter of the first long scalp acupuncture 2 used and the second long scalp acupuncture 4 is 1.2mm, and length is 140mm.
In the above embodiments, stripping bottle 1 can be test tube, long-neck conical flask, long-neck flat bottom flask and there-necked flask etc., can select flexibly as required, and coordinates the fixed bar 3 of above-mentioned different types of structure according to practical situations.
In the above embodiments, testing sample can be non-medicine carrying class sample or all kinds of medicine carrying membrane, in the time that the utility model is used for non-medicine carrying class sample test, in the step [1] of drug-loading fibre film stripping method of testing, fixed bar upwards need to be extracted out, and needn't be stretched in damping fluid.
Although described by reference to the accompanying drawings embodiment of the present utility model; but the patent owner can make various distortion or modification within the scope of the appended claims; as long as be no more than the described protection domain of claim of the present utility model, all should be within protection domain of the present utility model.
Claims (8)
1. a drug-loading fibre film stripping proving installation, it is characterized in that: comprise stripping bottle (1), described stripping bottle (1) is provided with at least one bottleneck, on described bottleneck, correspondence is provided with wedge shape bottle stopper (5), described each bottle stopper be provided with can in bottle, draw damping fluid to be measured the first long scalp acupuncture (2), fixed bar (3) and can to add in bottle these three kinds of parts of the second long scalp acupuncture (4) of fresh buffer at least one; It is upper that described bottle stopper (5) is located in one end of described the first long scalp acupuncture (2), fixed bar (3) and the second long scalp acupuncture (4), and the other end stretches in stripping bottle (1).
2. drug-loading fibre film stripping proving installation according to claim 1, it is characterized in that: described stripping bottle (1) is test tube, long-neck conical flask or long-neck flat bottom flask, which is provided with a bottleneck, this bottleneck bottle stopper (5) on be provided with the first long scalp acupuncture (2), fixed bar (3) and the second long scalp acupuncture (4) simultaneously.
3. drug-loading fibre film stripping proving installation according to claim 1, it is characterized in that: described stripping bottle (1) is for being provided with the there-necked flask of three bottlenecks, each bottleneck of this there-necked flask is all provided with bottle stopper (5), wherein, be positioned in the middle of the bottle stopper (5) of bottleneck be provided with fixed bar (3); Be positioned on the bottle stopper (5) of both sides bottleneck and be respectively equipped with the first long scalp acupuncture (2) and the second long scalp acupuncture (4).
4. according to the drug-loading fibre film stripping proving installation described in any one in claim 1, it is characterized in that: described the first long scalp acupuncture (2) and the second long scalp acupuncture (4) syringe needle diameter be 0.7～1.2mm, needle length is 80～140mm, and the material of syringe needle is stainless steel.
5. drug-loading fibre film stripping proving installation according to claim 4, is characterized in that: the base diameter of described bottle stopper (5) is 18～28mm, and top diameter is 22～32mm, is highly 15mm.
6. according to the drug-loading fibre film stripping proving installation described in any one in claim 1 to 5, it is characterized in that: the material of described fixed bar (3) is teflon, its one end that is positioned at stripping bottle (1) is claw type end, the number of pawl is 3～5, and the angle between each pawl and fixed bar (3) body of rod is 30 °～60 °.
7. according to the drug-loading fibre film stripping proving installation described in any one in claim 1 to 5, it is characterized in that: the material of described fixed bar (3) is teflon, its one end that is positioned at stripping bottle (1) is spheric end, and the bottom of this spheric end is surface level or arcwall face.
8. according to the drug-loading fibre film stripping proving installation described in any one in claim 1 to 5, it is characterized in that: the material of described fixed bar (3) is teflon, its one end that is positioned at stripping bottle (1) is wooden club shape, and the bottom of this wooden club shape is the taper of cross section drift angle between 45 °～60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320686180.4U CN203616307U (en) | 2013-10-31 | 2013-10-31 | Dissolution testing device for drug loading fibrous membranes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320686180.4U CN203616307U (en) | 2013-10-31 | 2013-10-31 | Dissolution testing device for drug loading fibrous membranes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203616307U true CN203616307U (en) | 2014-05-28 |
Family
ID=50768940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320686180.4U Withdrawn - After Issue CN203616307U (en) | 2013-10-31 | 2013-10-31 | Dissolution testing device for drug loading fibrous membranes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203616307U (en) |
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2013
- 2013-10-31 CN CN201320686180.4U patent/CN203616307U/en not_active Withdrawn - After Issue
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140528 Effective date of abandoning: 20160302 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |