[미국특허]
Particle dispersion device for nasal delivery
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61M-011/00
A61M-015/00
A61M-016/06
A61M-015/08
출원번호
US-0901415
(2013-05-23)
등록번호
US-9572943
(2017-02-21)
발명자
/ 주소
Giroux, Marc
출원인 / 주소
Kurve Technology, Inc.
인용정보
피인용 횟수 :
0인용 특허 :
124
초록
A nebulizer and a method of breathing using the nebulizer is described. The nebulizer and breathing techniques are capable of delivering medicament into the sinus cavity of a user.
대표청구항▼
1. A particle dispersion chamber comprising: a housing having an external surface, a particle input end, and outputs opening, and an internal channel between the particle input end and the output opening, the channel generally defining a channel axis and a forward direction toward the output opening
1. A particle dispersion chamber comprising: a housing having an external surface, a particle input end, and outputs opening, and an internal channel between the particle input end and the output opening, the channel generally defining a channel axis and a forward direction toward the output opening, the internal channel having a substantially continuous cross-sectional area from the particle input end of the housing to, and including the output opening; anda plurality of directional fluid outputs configured within the housing to direct output at an acute forward angle with respect to the channel axis and output opening, wherein the fluid outputs, when fluid flows therefrom, are operative to impart a vortical flow to aerosolized particles exiting the output opening. 2. A method of delivering a medicament to the nasal cavity and paranasal sinuses of a subject, comprising: providing the particle dispersion chamber of claim 1; anddelivering an aerosolized medicament in a vortical flow to the nasal cavity and paranasal sinuses of a subject. 3. The method of claim 2, wherein the medicament is at least one of a treatment for conditions consisting of sinusitis, allergies, rhinitis, migraine headache, influenza, and the common cold. 4. The particle dispersal chamber of claim 1, wherein the air outputs are positioned randomly along within the housing of the particle dispersion chamber. 5. The particle dispersion chamber of claim 1, wherein the air output are positioned in a set array within the housing of the particle dispersion chamber. 6. The particle dispersion chamber of claim 1 wherein the air outputs are jets. 7. The particle dispersion chamber of claim 1 further comprising a dispersion blade located within the internal channel. 8. The particle dispersion chamber of claim 7 wherein the dispersion blade is solid. 9. The particle dispersion chamber of claim 7 wherein the dispersion blade is netting. 10. The particle dispersion chamber of claim 1 further comprising a baffle located within the internal channel. 11. The particle dispersion chamber of claim 10 wherein the baffle is helixical shaped. 12. The particle dispersion chamber of claim 1 further comprising: an inhaler having a mouthpiece, the mouthpiece associated with the particle dispersion chamber. 13. The particle dispersion chamber of claim 1 further comprising: a nasal spray inhaler having an actuator, the actuator associated with the particle dispersion chamber. 14. The particle dispersion chamber of claim 1, further comprising a nasal adapter. 15. The particle dispersion chamber of claim 1 further comprising: a dry powder inhaler having an mouthpiece, the mouthpiece associated with the particle dispersion chamber. 16. A method of delivering aerosolized particles into a nasal cavity of a subject, comprising: providing a particle delivery chamber, comprising a housing having an external surface, a particle input end, and output opening, an internal channel between the particle input end and the output opening, the internal channel generally defining a channel axis and a forward direction toward the output opening, the housing additionally having at least one directed fluid output channel configured to direct fluid output at an acute forward angle with respect to the channel axis and output opening;introducing aerosolized particles into the internal channel;imparting, using fluid flow from the at least one directed fluid output channel, a vortical flow pattern to said particles exiting the output opening of the internal channel; anddelivering the vortically flowing particles into a nasal cavity of the subject, wherein a method of delivering aerosolized particles to the nasal cavity is afforded. 17. The method of claim 16, comprising delivering the aerosolized particles to an ethmoid, maxillary, or sphenoid paranasal sinus. 18. The method of claim 16, comprising delivery of particles sizes ranging from about 2 to about 50 microns, or from about 2 to about 15 microns. 19. The particle dispersion chamber of claim 14, wherein the nasal adapter has a lip. 20. The particle dispersion chamber of claim 14, wherein the nasal adapter has a width of about 1½ inches across a bridge of the nasal adapter and a length of about 1½ inches. 21. The particle dispersion chamber of claim 19, wherein the lip is about ⅛ inch long and capable of forming a seal. 22. The particle dispersion chamber of claim 14, wherein the nasal adapter has a plurality of exhaust vents.
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