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CN-224220528-U - Single-dose nasal spray device

CN224220528UCN 224220528 UCN224220528 UCN 224220528UCN-224220528-U

Abstract

The utility model discloses a single-dose nasal spray device which comprises a spray head, a tube seat, a tube body, a rubber plug, a water core and a tube puncturing part, wherein a finger support table is arranged between the head and the tail, the water core is arranged in the head of the spray head, the tube puncturing part is arranged in the water core, a nozzle is arranged at the head and used for spraying liquid, the rubber plug is arranged below the tube puncturing part, the tube body is connected with the lower part of the water core, the rubber plug is arranged in the tube body, a liquid cavity is formed by sealing the rubber plug and the tube body, a sharp part is arranged at the tail of the tube puncturing part and used for puncturing the rubber plug, a cavity is arranged at the tail of the spray head, an avoidance groove is formed in the side wall of the tail of the spray head and used for pressing into the tube seat, a limit is arranged between the tube seat and the tube body, the tube body is pressed to enable the tube body to drive the rubber plug to approach the tube puncturing part.

Inventors

  • LUO HUI
  • LONG QUANMING
  • ZHANG SHAOGANG
  • YANG WEI

Assignees

  • 深圳博纳精密给药系统股份有限公司

Dates

Publication Date
20260512
Application Date
20250527

Claims (10)

  1. 1. The single-dose nasal spray device is characterized by comprising a spray head (1), a tube seat (3), a tube body (4), a rubber plug (5), a water core (6) and a tube puncturing part (7); The spray head (1) comprises a head part and a tail part, and a finger support table (2) is arranged between the head part and the tail part; A water core (6) is arranged in the head part of the spray head (1), and a pipe puncturing part (7) is arranged in the water core (6); a rubber plug (5) is arranged below the pipe puncturing part (7); The lower part of the water core (6) is connected with the pipe body (4), and the rubber plug (5) is arranged in the pipe body (4), and a liquid cavity is formed between the rubber plug (5) and the pipe body (4) in a sealing way; The tail part of the pipe puncturing part (7) is provided with a sharp part for puncturing the rubber plug (5) and puncturing the liquid cavity; The tail part of the spray head (1) is provided with a cavity, and the side wall of the tail part of the spray head (1) is provided with an avoidance groove for pressing into the extrusion tube seat (3); the limit is arranged between the tube seat (3) and the tube body (4), so that the tube seat (3) is pressed to abut against the tube body (4), and the tube body (4) drives the rubber plug (5) to approach the tube puncturing part (7).
  2. 2. A single-dose nasal spray device as claimed in claim 1, characterized in that a sliding pair is formed between the tube body (4) and the inner wall of the head of the spray head (1) and is provided with a sliding movement space, and a sliding pair is formed between the tube seat (3) and the inner wall of the head of the spray head (1) and is provided with a sliding movement space.
  3. 3. A single dose nasal spray device according to claim 1, characterized in that the length of the extension of the spike tube (7) beyond the water core (6) is greater than the length required to pierce the plug (5).
  4. 4. The single-dose nasal spray device according to claim 1, wherein the tube body (4) drives the rubber plug (5) to be close to the puncturing tube part (7), so that after the puncturing tube part (7) punctures the rubber plug (5), the rubber plug (5) is interfered by the water core (6), the sharp part of the puncturing tube part (7) passively enters the liquid cavity of the tube body (4), and liquid in the liquid cavity enters the spray head (1) and the atomization channel of the water core (6) through the pipeline of the puncturing tube part (7) after being extruded.
  5. 5. A single dose nasal spray device as claimed in claim 4, wherein the tail of the tube body (4) is embedded in the tube socket (3) and the head of the tube body (4) is provided with a protruding ring for abutting against the tube socket (3) or an abutting part is provided inside the tube socket (3) for abutting against the end of the tube body (4).
  6. 6. A single dose nasal spray device as claimed in claim 1, characterised in that the junction of the nozzle (1) and the nozzle (3) is provided with fins (8).
  7. 7. A single-dose nasal spray device according to claim 6, characterized in that the tube seat (3) is provided with a broken bridge connecting fin (8) or the spray head (1) is provided with a fin (8), and the fin (8) is broken to enable the tube puncturing part (7) to puncture the rubber plug (5) for spraying.
  8. 8. A single dose nasal spray device according to claim 1, characterized in that the stem (3) is placed in the cavity of the tail of the nozzle (1) and does not protrude, so that the nozzle (1) shields the protective stem (3) from false pressure triggers.
  9. 9. A single dose nasal spray device according to claim 1, characterized in that the width of the relief groove is more than fifteen mm and the edges are smooth, the spike tube part (7) is a steel needle, and the fins (8) are semi-circular or semi-elliptical or triangular pieces.
  10. 10. A single dose nasal spray device as claimed in claim 1, wherein a water core (6) is provided for securing the spike tube (7); the water core (6) comprises a cyclone groove for generating atomization; A pipe puncturing part (7) which punctures a rubber plug (5) for sealing the liquid medicine to form a liquid outlet channel; The rubber plug (5) is used for sealing the liquid medicine in cooperation with the pipe body (4); A tube body (4) for storing a medicinal liquid; A spray head (1), wherein a channel formed by sealing with the water core (6) is used for atomizing liquid during administration; a tube seat (3), a driving button for fixing the tube body (4) during administration.

Description

Single-dose nasal spray device Technical Field The utility model belongs to the technical field of medicine packing materials, and particularly relates to a single-dose nasal spray device. Background The spray products widely applied in the current market, such as oral disinfection spray, nasal cavity spray, skin medicament spray and the like, mainly adopt a reusable structure and comprise a detachable pump body and a medicament bottle for repeated use. Such structures have the following significant disadvantages in medical and public health settings: the repeated use risk is that the traditional spray equipment structure allows repeated use, has the risk of cross infection, and is extremely easy to cause pollution of a medicament spray head when being repeatedly used in a medical institution or a multi-person contact scene; The pump body commonly used at present is of a multi-component combined structure, needs multiple procedures for assembly, and is not suitable for being made into a disposable low-cost product; The full sealing preservation cannot be realized, namely, the pump body and the medicament bottle are connected well before the prior products are started, so that the real sealing preservation is difficult to realize before the prior products are used, and the stability of the medicament is influenced; Some spray structures can be manually recovered, refitted and reused, and potential safety hazards or fake medicine circulation risks exist; the treatment or use purpose is disposable, and the medicine waste exists in the repeated use, so that the sterile requirement is difficult to meet and the expiration risk is avoided; From a storage and use perspective, there is a need for a drug delivery device that is compatible with single use medical devices and that is used for spray or mist delivery; In view of the foregoing, there is a need in the marketplace for a pump system for a spray that is simple in structure, low in cost, sealed before deployment, safe against tampering, and has a destructive structure to meet the specifications and safety requirements of public health, medical disposability. Disclosure of utility model The application provides a single-dose nasal spray device which comprises a spray head, a tube seat, a tube body, a rubber plug, a water core and a tube puncturing part, wherein the spray head is provided with a water inlet; The spray head comprises a head part and a tail part, and a finger rest is arranged between the head part and the tail part; The head of the spray head is internally provided with a water core, and the water core is internally provided with a thorn pipe part; A rubber plug is arranged below the thorn pipe part; the lower part of the water core is connected with the pipe body, the rubber plug is arranged in the pipe body, and a liquid cavity is formed between the rubber plug and the pipe body in a sealing way; the tail part of the puncturing pipe part is provided with a sharp part for puncturing the rubber plug and puncturing the liquid cavity; The tail part of the spray head is provided with a cavity, and the side wall of the tail part of the spray head is provided with an avoidance groove for pressing into the extrusion tube seat; The limit is arranged between the tube seat and the tube body, so that the tube seat is pressed to abut against the tube body, and the tube body drives the rubber plug to approach the tube puncturing part. The technical scheme provided by the application also has the following technical characteristics: Preferably, in an embodiment of the present application, a sliding pair is formed between the pipe body and the inner wall of the head of the spray head, and a sliding movement space is provided. Preferably, in an embodiment of the present application, a sliding pair is formed between the stem and the inner wall of the head of the spray head, and a sliding movement space is provided. Preferably, in an embodiment of the present application, the length of the protruding section of the tube penetrating portion protruding from the water core is greater than the length required for piercing the rubber plug. Preferably, in an embodiment of the present application, the tube body drives the rubber plug to approach the tube piercing portion, so that after the tube piercing portion pierces the rubber plug, the rubber plug is abutted by the water core, the sharp portion of the tube piercing portion passively enters the liquid cavity of the tube body, and the liquid in the liquid cavity is extruded and then enters the spray head and the atomizing channel of the water core through the pipeline of the tube piercing portion. Preferably, in an embodiment of the present application, the tail portion of the tube body is embedded in the tube seat, and the head portion of the tube body is provided with a protruding ring for abutting against the tube seat, or an abutting portion is provided in the tube seat for abutting against the end of the tube body