CN218187529U

CN218187529U - Nasal drug delivery device for otolaryngolaryngocranio-cervical surgery

Info

Publication number: CN218187529U
Application number: CN202220780158.5U
Authority: CN
Inventors: 曾婉婷; 郭巧玲
Original assignee: First Affiliated Hospital of Xiamen University
Current assignee: First Affiliated Hospital of Xiamen University
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2023-01-03
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a nasal part device of dosing for otolaryngology head neck surgery, including the injection tube, sliding connection has the piston in the injection tube, be provided with the piston rod that extends to the injection tube outside on the piston, the tip of piston rod is provided with and presses the pressure piece, the both sides wall of injection tube all is provided with the stop collar, sliding connection has the stop gear that can control the injection liquid medicine volume in the stop collar, the injection tube is kept away from the one end of pressing the pressure piece and is provided with the adapter sleeve that can dismantle the connection, the utility model discloses a set up slide bar and stop collar sliding connection, be convenient for adjust the spacing between limiting plate and the pressure piece for when pressing the pressure piece, the limiting plate then can stop according to the pressure piece, then can not continue to press the pressure piece this moment, thereby realized the accurate control to the liquid medicine injection volume.

Description

Nasal drug delivery device for otolaryngolaryngocranio-cervical surgery

Technical Field

The utility model relates to the technical field of medical equipment, specifically a nasal part device of dosing for otolaryngology head neck surgery.

Background

Otolaryngology Head and Neck Surgery (Otorhinolaryngology Head and Neck Surgery) is a science to study the anatomical physiology and disease phenomena of the organs of the ear, nose and throat, the tracheoesophageal tract and the Head and Neck.

The nasal cavity administration nasal cavity mucosa has smooth and moist surface and rich blood vessels, the liquid medicine is dripped into the nasal cavity or the nasal cavity inhales people to locally exert the functions, such as diminishing inflammation, resisting bacteria, dredging nasal obstruction or stopping bleeding, and also exerts the systemic function through salary membrane absorption, such as the antipyretic analgesic drug analgin has the antipyretic function, the preparation administrated through the nasal cavity has no irritation to the matte membrane, the pH value of the liquid medicine is close to the characteristic of the boehmite as much as possible, and the liquid medicine keeps isotonic with the secretion thereof.

At present, most of existing nasal administration devices control the medicine outlet amount by pinching a medicine bottle with fingers, the medicine outlet amount is not suitable to be controlled, the medicine outlet is not uniform, the administration effect is not good, and the use effect is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nasal part device of dosing for otolaryngology neck surgery to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a nasal part device of dosing for otolaryngology head neck surgery, includes the injection tube, sliding connection has the piston in the injection tube, be provided with the piston rod that extends to the injection tube outside on the piston, the tip of piston rod is provided with presses the briquetting, the both sides wall of injection tube all is provided with the stop collar, sliding connection has the stop gear that can control the injection liquid medicine volume in the stop collar, the injection tube is kept away from the one end of pressing the briquetting and is provided with the adapter sleeve of dismantling the connection, the tip of adapter sleeve is provided with for the pencil, sliding connection has the baffle on the pencil, the injection tube is close to adapter sleeve one end and is provided with the notes liquid hole that is linked together with the injection tube inner chamber, the inside threaded connection in top in notes liquid hole has the sealing plug.

As a further aspect of the present invention: stop gear includes two parallel distribution's slide bar, two the slide bar respectively with the stop collar sliding connection who corresponds, and two the tip of slide bar extends to the stop collar outside and is provided with the limiting plate, two be provided with between the limiting plate with piston rod sliding connection's spacing ring, through setting up slide bar and stop collar sliding connection, be convenient for adjust the limiting plate and press the interval between the piece for when pressing according to the piece, when pressing according to piece and limiting plate contact, the limiting plate then can stop according to the piece, then can not continue to press according to the piece this moment, thereby realized the accurate control to liquid medicine injection volume.

As a further aspect of the present invention: the lateral wall of stop collar is provided with the through-hole, the outside of through-hole is provided with first nut, first nut female connection has first locking screw, first locking screw's tip extend to the stop collar inside and with the lateral wall contact of slide bar, through the cooperation between first nut and the first locking screw, be convenient for lock and not hard up the slide bar to be convenient for adjust the position of limiting plate.

As a further aspect of the present invention: the limiting plate, the limiting ring and the sliding rod are of an integrated structure, the sliding rod and the side wall of the injection tube are provided with capacity scales, and accurate control over the amount of the injected liquid medicine is facilitated through the capacity scales.

As a further aspect of the present invention: adapter sleeve and connector threaded connection, just adapter sleeve and administration pipe formula structure as an organic whole, the head of administering the pencil is the ball-type structure, just the head of administering the pencil is provided with the play medicine hole that evenly distributes in order, sets up to the ball-type structure through the head of administering the pencil to be provided with a plurality of play medicine holes that distribute in order on the surface of ball-type structure, make spraying that the liquid medicine can be even on the nasal cavity inner wall.

As a further aspect of the present invention: the surperficial middle part of baffle be provided with give medicine pipe sliding connection's slide opening, just the top of slide opening is provided with the through-hole, the top of through-hole is provided with the second nut, second nut female connection has second locking screw, the tip of second locking screw extend to the slide opening inside and with give medicine pipe lateral wall contact, through setting up the baffle and giving medicine pipe sliding connection, be convenient for adjust the position of baffle, thereby be convenient for adjust the interval between baffle to the medicine pipe head according to adult or children, thereby be convenient for adjust and give medicine pipe entering nasal cavity inside degree of depth, when will give medicine pipe insertion nasal cavity inside, the baffle can keep off the post nostril outside, thereby can effectively avoid leading to the phenomenon of inserting the nasal cavity inside completely and causing pain or damage nasal cavity because of the hand mistake, improve the security.

As the utility model discloses further scheme again: two the stop collar is kept away from one side each other and all is provided with fixed ear, and through the setting of fixed ear, the operator of being convenient for takes the injection tube and injects the liquid medicine.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up slide bar and stop collar sliding connection, be convenient for adjust the spacing between the limiting plate and the press block for when pressing the press block, when pressing the press block and limiting plate contact, the limiting plate then can stop according to the press block, then can not continue to press the press block this moment, thereby realized the accurate control to the liquid medicine injection volume.

2. The head of the administration tube is arranged to be of a spherical structure, and a plurality of medicine outlet holes distributed in order are formed in the surface of the spherical structure, so that the liquid medicine can be uniformly sprayed on the inner wall of the nasal cavity.

3. Through setting up the baffle and giving medicine pipe sliding connection, be convenient for adjust the position of baffle, thereby be convenient for adjust the baffle to the interval of giving medicine between the nose according to adult or children, thereby be convenient for adjust for the inside degree of depth that gets into the nasal cavity of medicine pipe, when will give medicine pipe and insert inside the nasal cavity, the baffle can the bumping post nostril outside, thereby can effectively avoid because the hand misleading causes to insert inside the nasal cavity completely for medicine pipe and cause the phenomenon of pain or damage nasal cavity to take place, the security has been improved.

Drawings

FIG. 1 is a schematic view of a nasal drug delivery device for otolaryngo-cervical surgery.

FIG. 2 is a schematic structural diagram of a limiting mechanism in a nasal drug delivery device for ear-nose-throat-head-neck surgery.

Fig. 3 is an enlarged view of a in fig. 2.

Fig. 4 is a connection diagram of a connecting sleeve and a connecting head in a nasal drug delivery device for otolaryngological neck surgery.

FIG. 5 is a schematic view of a baffle plate of a nasal drug delivery device for ear-nose-throat-head-neck surgery.

In the figure: 1. an injection tube; 2. a piston rod; 3. a pressing block; 4. a limiting sleeve; 5. fixing the ear; 6. a limiting mechanism; 7. a liquid injection hole; 8. a sealing plug; 9. connecting sleeves; 10. an administration tube; 11. a baffle plate; 12. a slide bar; 13. a limiting plate; 14. a limiting ring; 15. a first nut; 16. a first locking screw; 17. a connector; 18. a slide hole; 19. a second nut; 20. and a second locking screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, in an embodiment of the present invention, a nasal administration device for otorhinolaryngologic neck surgery includes an injection tube 1, a piston is slidably connected in the injection tube 1, a piston rod 2 extending to the outside of the injection tube 1 is provided on the piston, a pressing block 3 is provided on the end of the piston rod 2, two side walls of the injection tube 1 are provided with a limiting sleeve 4, two limiting sleeves 4 are provided with fixing lugs 5 on the sides away from each other, a limiting plate 13 is provided on the side where the fixing lugs 5 are provided, so that an operator can take the injection tube 1 to inject a liquid medicine, a limiting mechanism 6 capable of controlling the amount of the injected liquid medicine is slidably connected in the limiting sleeve 4, the limiting mechanism 6 includes two parallel sliding rods 12, the two sliding rods 12 are slidably connected to the corresponding limiting sleeve 4, and the ends of the two sliding rods 12 extend to the outside of the limiting sleeve 4 and are provided with the limiting plate 13, a limiting ring 14 slidably connected to the piston rod 2 is provided between the two limiting plates 13, the sliding rods 12 and the limiting sleeve 4 are slidably connected by providing, so that the first limiting block 16 is provided on the first locking nut 15 to prevent the sliding rod 3 from moving when the first locking block 13 is in contact with the first locking nut, thereby preventing the first locking nut from moving, the limit plate 13, the limit ring 14 and the slide rod 12 are of an integrated structure, the slide rod 12 and the side wall of the injection tube 1 are provided with capacity scales, and the amount of the injection liquid medicine can be accurately controlled conveniently through the capacity scales;

the end of the injection tube 1 far away from the pressing block 3 is provided with a connecting sleeve 9 which is detachably connected, the end part of the connecting sleeve 9 is provided with a drug feeding tube 10, the drug feeding tube 10 is connected with a baffle plate 11 in a sliding way, one end of the injection tube 1 near the connecting sleeve 9 is provided with a drug injecting hole 7 communicated with the inner cavity of the injection tube 1, the top end of the drug injecting hole 7 is internally connected with a sealing plug 8 in a threaded way, the connecting sleeve 9 is connected with a connecting head 17 in a threaded way, the connecting sleeve 9 and the drug feeding tube 10 are in an integral structure, the head part of the drug feeding tube 10 is of a spherical structure, the head part of the drug feeding tube 10 is provided with drug discharging holes which are uniformly and orderly distributed, the surface of the spherical structure is provided with a plurality of drug discharging holes which are orderly distributed, so that the drug liquid can be uniformly sprayed on the inner wall of the nasal cavity, the middle part of the surface of the baffle plate 11 is provided with a sliding hole 18 which is connected with the drug feeding tube 10 in a sliding way, and the top of slide hole 18 is provided with the through-hole, the top of through-hole is provided with second nut 19, second nut 19 female connection has second locking screw 20, the tip of second locking screw 20 extends to inside slide hole 18 and with give medicine pipe 10 lateral wall contact, through setting up baffle 11 and giving medicine pipe 10 sliding connection, be convenient for adjust the position of baffle 11, thereby be convenient for adjust the interval between baffle 11 to the head of giving medicine pipe 10 according to adult or children, thereby be convenient for adjust the degree of depth that gives medicine pipe 10 and get into the nasal cavity inside, when will give medicine pipe 10 and insert the nasal cavity inside, baffle 11 can keep off the post nostril outside, thereby can effectively avoid leading to the phenomenon that gives medicine pipe 10 and insert the nasal cavity inside completely and cause pain or damage the nasal cavity because of the hand misleading, and the security has been improved.

The utility model discloses a theory of operation is:

when the device is used, firstly, liquid medicine is poured into the interior of an injection tube 1 through a liquid injection hole 7, then a sealing plug 8 is covered, then a piston rod 2 is adjusted, bubbles in the interior of the injection tube 1 are removed, then the position of a limiting plate 13 is adjusted according to the amount of liquid medicine to be injected, when 2ml of liquid medicine needs to be injected, a first locking screw 16 is unscrewed, a sliding rod 12 is pulled out to the position of 2ml, then the first locking screw 16 is screwed, the position of a baffle plate 11 is adjusted according to the condition of a user, the drug administration tube 10 is prevented from being completely inserted into a nasal cavity, after the adjustment is finished, an operator places a forefinger and a middle finger on a fixing ear 5 and places a thumb on a pressing block 3, then the drug administration tube 10 is inserted into the nasal cavity, at the moment, the baffle plate 11 is blocked outside the nasal cavity, then the pressing block 3 is pushed by the thumb, the liquid medicine can be injected into the inner wall of the nasal cavity, the head of the drug administration tube 10 is arranged into a spherical structure, a plurality of drug discharge holes distributed orderly are arranged on the surface of the spherical structure, the drug discharge holes are arranged, the limiting plate 3, the limiting plate can be uniformly sprayed on the inner wall, when the pressing block 3 is contacted with the limiting plate, the limiting plate 13, and the limiting plate 13 can be controlled accurately.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a nasal part device of dosing for otolaryngology head neck surgery, includes injection tube (1), sliding connection has the piston in injection tube (1), be provided with piston rod (2) that extend to injection tube (1) outside on the piston, the tip of piston rod (2) is provided with presses briquetting (3), a serial communication port, the both sides wall of injection tube (1) all is provided with stop collar (4), sliding connection has stop gear (6) that can control injection liquid medicine volume in stop collar (4), the one end of keeping away from pressing briquetting (3) in injection tube (1) is provided with adapter sleeve (9) of dismantling the connection, the tip of adapter sleeve (9) is provided with for pencil (10), sliding connection has baffle (11) on pencil (10), injection tube (1) is close to adapter sleeve (9) one end and is provided with and annotates liquid hole (7) that liquid (1) inner chamber is linked together, the top internal thread who annotates liquid hole (7) is connected with sealing plug (8).

2. The nasal drug delivery device for otolaryngo-cervical surgery according to claim 1, characterized in that the limiting mechanism (6) comprises two parallel sliding rods (12), two sliding rods (12) are respectively connected with the corresponding limiting sleeves (4) in a sliding manner, the ends of the two sliding rods (12) extend to the outer side of the limiting sleeves (4) and are provided with limiting plates (13), and a limiting ring (14) connected with the piston rod (2) in a sliding manner is arranged between the two limiting plates (13).

3. The nasal drug delivery device for otolaryngo cranio-cervical surgery as claimed in claim 2, characterized in that the outer side wall of the stop collar (4) is provided with a through hole, a first nut (15) is arranged outside the through hole, a first locking screw (16) is screwed into the first nut (15), and the end of the first locking screw (16) extends into the stop collar (4) and contacts with the side wall of the slide bar (12).

4. The nasal drug delivery device for otolaryngo-cervical surgery according to claim 2, characterized in that the limiting plate (13) and the limiting ring (14) and the slide rod (12) are integrally formed, and the slide rod (12) and the side wall of the syringe (1) are provided with volume scales.

5. The nasal drug delivery device for otorhinolaryngology department of cervical surgery as claimed in claim 1, characterized in that the connecting sleeve (9) is in threaded connection with the connecting head (17), and the connecting sleeve (9) and the drug delivery tube (10) are of an integral structure, the head of the drug delivery tube (10) is of a spherical structure, and the head of the drug delivery tube (10) is provided with drug outlet holes distributed uniformly and orderly.

6. The nasal drug delivery device for otorhinolaryngological head and neck surgery as claimed in claim 1, characterized in that the middle part of the surface of the baffle plate (11) is provided with a slide hole (18) connected with the drug delivery tube (10) in a sliding manner, the top of the slide hole (18) is provided with a through hole, the top end of the through hole is provided with a second nut (19), the second nut (19) is connected with a second locking screw (20) in a threaded manner, and the end part of the second locking screw (20) extends to the inside of the slide hole (18) and is in contact with the side wall of the drug delivery tube (10).

7. Nasal drug delivery device for otolaryngo-cervical surgery according to claim 1, characterized in that the two stop collars (4) are provided with fixing ears (5) on the sides facing away from each other.