Referring to Fig. 1 to Fig. 4, first embodiment of reference number 1 expression nasal cavity medicine applicator, general, administrator 1 comprises a capsule clamper 2, it is made of plastics, and makes drum.Make to have external screw thread 3 on the external peripheral surface of the upper part of capsule clamper 2.Capsule clamper 2 makes and has bottom, a capsule hole 4, and it is axially extended, and opens wide in the upper end surface of capsule clamper 2.Bottom, capsule hole 4 is coaxial with capsule clamper 2.Capsule placed cavity 5 is formed at bottom, capsule hole 4 and 17 combinations of top, capsule hole, and top, capsule hole will be discussed afterwards.
Capsule placed cavity 5 is used to deposit and is generally columniform capsule K (as shown in Figure 2).Capsular volume is preferably 0.2~0.6 cubic centimetre (cc) in 0.1~1.4 cubic centimetre of (cc) scope.The powdery medicine of the right quantity of having packed among the capsule K (being called " medicated powder " later on).In addition, capsule placed cavity 5 is set at and makes its axial dimension L0 slightly smaller than the axial dimension Lk of capsule K, and like this, capsule K can leave in the capsule placed cavity 5 under the state of axial firm support.
The upper part of air feed part 6 and capsule clamper 2 integral body are made, and with the 2 coaxial extensions of capsule clamper.The end portion of air feed part 6 has air feed valve pocket 8, and it is communicated with by air flow passage 7 with pump 13 (discussing later on).Make to have valve opening amount restricted part 9 in air feed valve pocket 8, it is outstanding downwards from capsule clamper 2, and extends towards air supply channel 7.Air feed spool 10 is placed in the air feed valve pocket 8, and facing to valve opening amount restricted part 9, the two certain distance that is spaced from each other.Air feed spool 10 is positioned on the air flow passage 7, and when sending in the air from pump 13, can move upward, and contacts with valve opening amount restricted part 9, and the moving passage 7 of air is opened; Can be located in again on the bottom surface of air feed part 6 simultaneously, air supply channel 7 is closed.Air supply channel 11 is made on the top of air feed part 6.This passage 11 is at the core of air feed part 6, and extension vertically.The lower end of air supply channel 11 is communicated with the hole 12 of medicated powder receiving unit or horizontal expansion.Valve opening amount restricted part 9 is run through in this hole 12, extends in the diametric(al) of air feed part 6.When pin 27 was made through hole H on capsule K, medicated powder receiving unit 12 can receive from capsule and fall to medicated powder on the air feed spool 10.Pin 27 is made through hole H on capsule K situation is discussed later (see figure 3).
The upper end of air supply channel 11 is communicated with the bottom of bottom, capsule hole 4.The cross-sectional area of air supply channel 11 is at 0.2~6.0 square millimeter of (mm
2) in the scope.Be preferably 1.0~4.5 square millimeters of (mm
2).Like this, from an amount of air that pump 13 is sent, flow velocity that can be suitable flows among the capsule K, and with the good mixing ratio, the medicated powder among the capsule K is mixed with air.The cross-sectional area of air supply channel 11 can prevent that air supply channel 11 is by obstructions such as medicated powder.
Pump 13 is the manual operation formula, and is made by flexible material (for example rubber or plastics), and shape is as bellows.Generally, pump 13 makes the drum with closed bottom, and it comprises columnar mouth 13A, circular bottom 13B and columnar crimping section 13C.The upper end of mouth 13A and press section 13C makes an integral body, and the lower end of bottom 13B and crimping section 13C makes an integral body.Mouth 13A cooperates with the external peripheral surface of air feed part 6, to keep gas-tight seal.Push one time crimping section 13C, the air of pump 13 exportable 10~60 cubic centimetres (cc) amount is preferably 20~40 cubic centimetres (cc) (this gas flow is called " air output ").This pushes action, for example can be finished by patient's finger, generally is the whole air in the pump 13 are discharged.Like this, can send the air of right quantity to capsule K by air feed part 6.In other words, the volume of air that is included in the pump 13 can preferably change in 20~40 cubic centimetres of (cc) scopes 10~60 cubic centimetres of (cc) scopes.
Inlet valve 14 is placed on the central part office of bottom 13B, and comprises a spool 14B, and it is used to open or close air suction passage 14A.Going up work at valve body (not having numerical reference) is free aspiration to go into passage 14A.Valve body cooperates with the wall of bottom 13B securely.When air will be delivered to capsule K, spool 14B closed air suction passage 14A, and when air will be sucked in the pump 13, then air suction passage 14A is opened.
Passage part 15 is connected with the upper part of capsule clamper 2, and it is made of plastics.The external peripheral surface of the end portion of channel part 15 (or end vertically) makes cylindrical shape, and its external diameter is less, and is identical with the external diameter on the top of capsule clamper 2.The external peripheral surface on the top of passage part 15 (having the other end vertically) generally makes cylindrical shape, and its external diameter is bigger, than the external diameter of its end portion more greatly.Like this, passage part 15 integral body make the column shape that has ring-shaped step.Make to have female thread 6 on the inner circumferential surface of the end portion of passage part 15, it meshes with the external screw thread 3 of capsule clamper 2.In addition, top 17 coaxial the making in the end portion of passage part 15 and capsule hole.One end on this top, capsule hole 17 opens wide, and bottom, capsule hole 4 combinations with capsule clamper 2 form capsule placed cavity 5.
Passage 15 comprises a branched bottom part 18, and it has the input channel part 18A that extends vertically, and is connected with capsule placed cavity 5 (more particularly, being and top, capsule hole 17).Branched bottom part 18 also has left end and right-hand member output channel part 18B, 18B, and they are from input channel part 18A bifurcated, and are communicated with input channel part 18A.Each output channel part 18B makes crooked, and extend upward become arc.Like this, the channel part 18A of branched bottom part 18,18B, 18B generally make Y shape shape.Output channel 18B, the upper end of 18B connects with the medicated powder passage of doing in passage part 15 19,19 respectively.The effect of branched bottom part 18 is will contain the air of medicated powder (flowing into the capsule placed cavity 5 from capsule K) individually to be sent to the output channel part 18B of right-hand member and left end, 18B by input channel part 18A.Air that contains medicated powder in right-hand member output channel part 18B and the air that contains medicated powder in left end output channel part 18B flow to the medicated powder passage 19,19 of right-hand member and left end respectively.
Right-hand member and left end medicated powder passage 19,19 extend vertically, its upper end respectively with right-hand member and left end medicated powder spray- hole 20A, 20A connects.Each medicated powder passage 19 makes the shape of straight lengthening, so that adjustable characteristic of flow and straight ahead characteristic are provided for the medicated powder by each medicated powder passage 19, medicated powder can be ejected to being forced to property from each insecticide-spraying hole 20A.Insecticide- spraying hole 20A, 20A make by the medicated powder injection nozzle part 20,20 of right-hand member and left end respectively.This nozzle segment 20,20 highlights from the upper surface on the top of channel part 15.In order to insert each nasal cavity of patient easily, general, each injection nozzle part 20 all makes truncated cone shape.At the place, centre of injection nozzle part 20, make co-axial each insecticide-spraying hole 20A.This insecticide-spraying hole 20A extends vertically, is connected with medicated powder passage 19, and therefore, the air that contains medicated powder can be spurted in each nasal cavity of patient by insecticide-spraying hole 20A.
As shown in Figure 1, the medicated powder injection nozzle part 20,20 of right-hand member and left end has center or axis (not having number designation) respectively, and they separate the distance L 1 of 12~25 millimeters (mm).As a result, nozzle segment 20,20 can insert in various patient's the nasal cavity, comprises between the nasal cavity between the child of distance less (for example, 12~16 millimeters) and the nasal cavity the adult of big (for example, 16~22 millimeters) of distance.
Channel part 15 has perforator chamber 21.This perforator chamber 21 is done in the central part office of channel part 15, and along extending axially, is positioned between the medicated powder passage 19,19.As shown in Figure 2, channel part 15 has the hole 22,22 of two lengthenings, and they are communicated with perforator chamber 21, and opens wide on the external peripheral surface of channel part 15.Each slotted hole 21 is axially extended, and with respect to the axis balanced configuration of channel part 15.Channel part 15 has a pin patchhole 23, and it is connected with branched bottom part 18 with the bottom in perforator chamber 21.The sealing member of being made by rubber or plastics 29 is placed in the sealing member installation recess (not having number designation) securely.This is installed recess and does at channel part 15 on a part between perforator chamber 21 and the branched bottom part 18.Sealing member 29 leaves input channel part 18A certain distance, and facing to input channel part 18A.
Perforator 25 is placed in the perforator chamber 21, can move.Perforator 25 comprises a push pedal 26, and it has integrated disc portions 26A.Integrated disc portions 26A is placed in the perforator chamber 21, can slide.Integrated disc portions 26A has two operation extension bar 26B, 26B, and they are radially protruding, and are placed on respectively in the elongated hole 22,22 of channel part 15.The upper end of pin 27 or base part are fixed on the integrated disc portions 26A of push pedal 26, and extend vertically, and its lower end tip portion makes sharp syringe needle shape 27A.In addition, in perforator chamber 21, placing return spring 28, in order to pin 27 is back to its starting position.When the starting position, sharp syringe needle 27A is in the sealing member 29.
As shown in Figure 3, perforator 25 is like this designs: as corresponding operation extension bar 26B, and 26B, according to the direction of Fig. 2 arrow A, when elongated hole 22 moved, syringe needle 27A inserted among the capsule K in the capsule placed cavity 5 vertically, forms through hole H, H on capsule K.Sealing member 29 is made by elastomeric material, and pin 27 slides relatively, and keeps the sealability for the medicated powder that flows through branched bottom part 18, can prevent that therefore medicated powder from infiltrating in the perforator chamber 21.
The mode of operation of first embodiment of nasal cavity medicine applicator 1 will be discussed below.
The perforation procedure of capsule K at first is described.
Capsule K is put into the bottom, capsule hole 4 of capsule clamper 2, make female thread 16 engagements of external screw thread 3 with the channel part 15 of capsule clamper 2 then, it is interior that capsule K just has been placed into capsule placed cavity 5 like this.This capsule placed cavity 5 comprises bottom, capsule hole 4 in the capsule clamper and top 17, capsule hole and the channel part 15 in the capsule clamper 2.
After this, depress the corresponding operation extension bar 26B of push pedal 26,26B, or make their direction motions according to Fig. 2 arrow A, make the syringe needle 27A of pin 27, by input channel part 18A, penetrate capsule K vertically, make through hole H, H in axial relative two sides of capsule K.At this moment, the medicated powder among the capsule K under the effect of the syringe needle 27A of pin 27, can fall into air supply channel 11.Medicated powder receiving unit 12 collects the medicated powder that falls into, thereby can prevent that medicated powder is bonded at and accumulates on the spool 10 of steam supply valve.
After the capsule perforation procedure, under the effect of return spring 28, push pedal 26 is back to its starting position automatically, like this, the channel part 18A of branched bottom part 18,18B, at through hole H, H does to be communicated with air supply channel 11 under the axially terminal relatively state of capsule K.
Below, illustrate after the perforation procedure of above-mentioned capsule K with reference to Fig. 4, to the operation of patient's administration.
At first, left and right sides medicated powder injection nozzle part 20,20 is inserted respectively in patient's the left and right sides nasal cavity.Then, according to arrow P, the crimping section 13C of the direction compressor pump 13 of P.Like this, when the opening of valves action of air feed spool 10 was opened air flow passage 7, air can be sent to the capsule K that is placed in the capsule placed cavity 5 by air supply channel 11.Correspondingly, the medicated powder among the capsule K is stirred, and is disseminated in the air.As a result, medicated powder mixes with air-flow, and by branched bottom part 18, flows into the medicated powder passage 19,19 of right-hand member and left end, and by the insecticide-spraying hole 20A of right-hand member and left end, 20A is injected in patient's nasal cavity then.
After above-mentioned administration operation, the crimping section 13C of pump 13 presses arrow R, and the direction of R returns to its initial state.At this moment, the spool 10 of steam supply valve is closed air flow passage 7, and spool 14B opens air suction passage 14A, and air is passed through air suction passage 14A from extraneous suction pump 13.
Therefore, administrator 1 according to this embodiment, by spray medicine nozzle segment 20 about setting, 20 insecticide-spraying hole 20A, distance L 1 between the 20A is 12~25 millimeters (mm), can be with corresponding insecticide- spraying hole 20A, 20A suitably puts between nasal cavity apart from the nasal cavity of less child to various people of the bigger adult of distance between the nasal cavity.As a result, medicated powder can be injected on the desired position of corresponding nasal cavity, thereby has improved the effect of medicine, has also expanded the scope of application of administrator 1 simultaneously.
Should be appreciated that the air flow that contains medicated powder that comes out from capsule K is to be dispensed in the medicated powder passage 19,19 of right-hand member and left end by branched bottom part 18, therefore can give medicated powder simultaneously, and the medicated powder amount of sending in the nasal cavity of the patient left and right sides is equal.The result, approximately only need No. three pumps 13 of compression, can give patient with the medicated powder in the capsule, and not need, repeat repeatedly administrator to be inserted the operation of the corresponding left and right sides of patient nasal cavity and the multiple dosing operation of each nasal cavity as using common administrator.Therefore, the administrator 1 of present embodiment can make the administration processing ease carry out, and has simplified the administration operation, also can shorten the required time of administration simultaneously.
In addition, the internal capacity of capsule K (content volume) is set in 0.1~1.4 cubic centimetre of (cc) scope.As a result, in the administration process, under the air-flow effect that flows into capsule K, the medicated powder in the capsule K can be supplied with patient fully, residue like this, can not supplied with patient with the medicated powder of the amount of being predetermined.This has improved the effect of medicine and the reliability of administrator 1 effectively.
In addition, the air-flow cross-sectional area of air supply channel 11 is set in 0.2~6.0 square millimeter of (mm
2) in the scope.As a result, flow that the air of sending from pump 13 can be suitable and speed flow into the capsule K, therefore, can prevent air supply channel 11 by obstructions such as medicated powder, simultaneously can the good mixing ratio, and the medicated powder among the capsule K is mixed with air.Correspondingly, medicated powder sprays into the state that can scatter effectively in patient's the nasal cavity, has therefore improved the effect of supplying with patient's medicine.
Moreover because manually operated pump 13 is connected with air feed part 6, air is sent in the air feed part 6, patient can be easy to form air-flow with finger compression crimping section 13C, therefore the administration processing ease is carried out.In addition, every compression once is set in 16~60 cubic centimetres of (cc) scopes from the air capacity of pump 13 outputs, therefore, suitable air capacity can be delivered to capsule K by air feed part 6, thereby improve the stirring efficiency of medicated powder in capsule K.
Fig. 5 represents second embodiment according to nasal cavity medicine applicator 1 ' of the present invention, and it is similar to the administrator of first embodiment.Part identical with first embodiment and element adopt identical reference number mark, therefore, for purposes of simplicity of explanation, have omitted the explanation of identical parts and element.The characteristics of this embodiment are that the capsule placed cavity is done respectively in the medicated powder passage of right-hand member and left end.
In this embodiment, nasal cavity medicine applicator 1 ' comprises air feed part 6, and it has the air feed valve pocket 8 that is communicated with pump 13 by air flow passage 7.Valve opening amount restricted part 9 is given prominence in valve pocket 8, and in the face of air flow passage 7.Air feed spool 10 is positioned at valve pocket 8, is used to open or close air flow passage 7.Air supply channel 11 extends axially, and is communicated with valve pocket 8 by medicated powder receiving unit 12.Medicated powder receive path 12 is positioned at the upstream of air supply channel 11, is used to collect the medicated powder that falls by air supply channel 11.
The upper end of air supply channel 11 is connected with branched bottom part 45.This branched bottom part 11 will be discussed afterwards.Identical with the administrator 1 of first embodiment, the cross-sectional area of air supply channel 11 is at 0.2~6.0 square millimeter of (mm
2) the interior variation of scope, be preferably 1.0~4.5 square millimeters of (mm
2).Like this, flow that the air of sending from pump 13 can be suitable and flow velocity flow into the capsule K, and the medicated powder among the capsule K than under is mixed in good mixing with air.
Channel part 15 is placed on the upper end of air feed part 6, and it comprises the capsule clamper 40 made from the upper end integral body of air feed part 6.Capsule clamper 40 makes and has right-hand member spaced apart from each other and bottom, left end capsule hole 41,41.Make up with right-hand member and top, left end capsule hole 44,44 (discussing later on) respectively capsule clamper bottom 41,41, constitutes the capsule placed cavity 42,42 of right-hand member and left end.Each capsule placed cavity 42 is used to deposit capsule K, and its volume changes in 0.1~1.4 cubic centimetre of (cc) scope, is preferably 0.2~0.6 cubic centimetre (cc).
Channel part 15 comprises nozzle member 43, and it is removably mounted on the upper end of capsule clamper 40.Medicated powder injection nozzle part 20,20 is made to have in the upper end of nozzle member 43.Nozzle member 43 has right-hand member and top, left end capsule hole 44,44, and they open wide on the bottom surface of nozzle member 43.
Above-mentioned branched bottom part 45 has right-hand member and left end output channel part 45A, 45A, and they come from the upper part branch of air supply channel 11.Each output channel part 45A extends upward obliquely, and is straight, and is therefore general, output channel part 45A, and 45A and air supply channel 11 are Y shape shape.Output channel 45A, the angle α between the axis of 45A is changing in 70 °~180 ° scopes on the vertical plane of the axis that comprises administrator 1 ', is preferably 90 °~160 °.Like this, the air of sending from air supply channel 11 generally equally is dispensed in the medicated powder passage 19,19 of right-hand member and left end, and the height of each output channel 45A reduces simultaneously, and the size of administrator 1 ' is reduced.
The medicated powder passage 19,19 of right-hand member and left end runs through whole capsule clamper 40 and nozzle member 43.Each medicated powder passage 19 extends axially from the output channel 45A of branched bottom part 45, passes capsule placed cavity 42, arrives right-hand member and left end insecticide-spraying hole 20A, each the insecticide-spraying hole 20A among the 20A.
Right-hand member and left end medicated powder nozzle segment 20,20 generally make truncated cone shape, and project upwards out from the upper surface of nozzle member 43.Each medicated powder nozzle segment 20 heart has therein partly been made insecticide-spraying hole 20A, and the air communication that contains medicated powder is crossed this hole ejection.The insecticide-spraying hole 20A of right-hand member and left end nozzle segment 20,20, the distance L 2 between the axis of 20A is set in 12~25 millimeters (mm) scopes.Therefore, nozzle segment 20,20 child that can insert between nasal cavity distance less (for example 12~16 millimeters) is to distance between the nasal cavity various people's of the adult of big (for example 16~22 millimeters) the nasal cavity.
First perforator 48 can move relative to capsule clamper 40, and comprises an operation annulus 49 on the external peripheral surface that movably is placed on air feed part 6.The lower end of two pins 50,50 or base part are fixed on the operation annulus 49, and protrude upward.The upper part of each pin 50 can be inserted in the capsule placed cavity 42.The upper end tip portion of each pin 50 makes sharp syringe needle 50A shape.First perforator 48 by moving its operation annulus 49, can be made through hole at axial relative two ends of the capsule K in being placed on each capsule placed cavity 42.
Two sealing members 51,51 are placed on the output channel part 45A of branched bottom part 45 respectively regularly, near the upper end of 45A.Each sealing member 51 cooperates with the recess of doing on capsule clamper 40 (not having numerical reference), and is made by elastomeric material (for example rubber or plastics).Each sealing member 51 can keep the sealing of not leaking medicated powder for pin 50.
Second perforator 52 separates with channel part 15, and comprises a grip portions 53.On the upper end of grip portions 53 or base part, fixing pin 54.The bottom of pin 54 makes the shape of sharp syringe needle 54A.Second perforator uses like this: pin 54 is by insecticide-spraying hole 20A, hold under the state of grip portions 53 with finger operator or patient, insert in the medicated powder passage 19 of each nozzle segment 20, therefore can make through hole H, H at axial relative two ends of capsule K.Should be appreciated that second perforator 52 can dispense.
The mode of operation of the administrator 1 ' of second embodiment will be discussed below.
Capsule K, K are placed on respectively in the capsule placed cavity 42,42 of right-hand member and left end.In this state, the operation annulus 49 of first perforator 48 moves up, or moves towards nozzle member 43, and respectively at two capsule K, axial relative two ends of K are made through hole H, H.
Then, the operation of giving patient's administration that above-mentioned capsule K perforation procedure is later is described.
At first, right-hand member and left end medicated powder nozzle segment 20,20 are inserted respectively in patient's the right nasal cavity and left nasal cavity.Then, compressor pump 13 is delivered to the capsule K that is placed on respectively in the capsule placed cavity 42,42 with air by air supply channel 11 and branched bottom part 45, among the K, stirs the medicated powder among the capsule K, and medicated powder is dispersed in the air.Like this, the medicated powder among the capsule K mixes with air, forms the air-flow that contains medicated powder, and by the channel part 45A of branched bottom part 45,45A sends in right-hand member and the left end medicated powder passage 19,19 then.Therefore, medicated powder is by the right-hand member and the left end insecticide-spraying hole 20A of medicated powder nozzle segment 20,20, and 20A sprays in patient's the right-hand member and left end nasal cavity.
Adopt the administrator 1 ' of this embodiment, generally can obtain same effect in the administrator 1 of first embodiment.In addition, according to this embodiment, the output channel part 45A of branched bottom part 45, form an angle [alpha] that in 70 °~180 ° scopes, changes between the 45A, therefore, the amount that the air of sending from air supply channel 11 generally can equate is dispensed in the medicated powder passage 19,19 of right-hand member and left end, and all supplies the medicated powder of equivalent can for each nasal cavity in the nasal cavity of the patient left and right sides.This has improved the reliability of the ejection efficiency and the nasal cavity medicine applicator of medicated powder.
Though represented and illustrated the administrator 1 of first and second embodiment, 1 ', their perforator 25,48th is placed in the channel part 15, and utilizes pin 27,50 pairs of capsules carry out axial penetration, make and make through hole H at axial relative two ends of capsule K, H, however be appreciated that, through hole H, H also can utilize perforator shown in Figure 5 52 to make.