CN212395553U

CN212395553U - Quantitative spraying device before anesthesia branch of academic or vocational study is used

Info

Publication number: CN212395553U
Application number: CN202021053204.9U
Authority: CN
Inventors: 纪宏新; 何世琼; 王嘉炜; 高军
Original assignee: LONGGANG DISTRICT PEOPLE'S HOSPITAL OF SHENZHEN
Current assignee: LONGGANG DISTRICT PEOPLE'S HOSPITAL OF SHENZHEN
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-01-26
Anticipated expiration: 2030-06-09

Abstract

The utility model belongs to the technical field of medical auxiliary equipment, and discloses a preoperative quantitative spray dosing device for anesthesia department, which comprises an injection tube, wherein the injection tube is provided with a spray head and an injection handle, a piston is arranged in the injection tube, the piston is arranged on a piston shaft, the side wall of the piston shaft is provided with arc surfaces which are oppositely arranged, and the arc surfaces are provided with external threads; the piston shaft is movably sleeved with a quantitative handle, a round hole is formed in the quantitative handle, inner threads which are arranged oppositely are arranged on the inner wall of the round hole, and the quantitative handle is locked when the quantitative handle rotates to the state that the inner threads are matched with the outer threads. The preoperative quantitative spray drug delivery device for the anesthesia department has the same way as normal drug pumping and injection when in non-quantitative drug delivery; when the quantitative medicine is needed, the quantitative handle is only required to be slid to the corresponding scale and then rotated by 90 degrees to lock the quantitative handle, and when the medicine is injected to the preset dose, the quantitative handle prevents injection, so that the quantitative function is achieved, and the operation is very simple and convenient.

Description

Quantitative spraying device before anesthesia branch of academic or vocational study is used

Technical Field

The utility model belongs to the technical field of medical auxiliary assembly, concretely relates to department of anesthesia is with device of dosing with preoperative quantitative spraying.

Background

The mode of oral or nasal non-invasive administration for the preoperative medication of the children is deeply welcomed by the children and family members, and the oral administration has low bioavailability, slow effect and large dosage due to the first pass effect of the medicament, so the oral administration is not ideal as the pediatric anesthetic prodrug. And the medicine is dripped into the nasal cavity, and the liquid medicine enters the throat through the back nasal passage, so that the bioavailability of the medicine is reduced. At present, the more ideal administration mode of the medicine before the pediatric anesthesia is oral or nasal mucosa spray administration, the medicine is absorbed by oral or nasal mucosa with rich blood vessels and does not pass the first pass effect of liver, and the medicine has the advantages of quick response, high bioavailability, less dosage, quick response, difficult loss of liquid medicine, exact effect and the like. However, in the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art: the administration of the medicine to children requires accurate administration and rapid operation. At present, the infant spray in the market is mostly connected with a common medicine injector by adopting a spray head, and the medicine feeding amount is difficult to control by medical staff.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving above-mentioned technical problem to a certain extent at least. Therefore, the utility model aims to provide a quantitative spraying device before the department of anesthesia uses.

The utility model discloses the technical scheme who adopts does:

a preoperative quantitative spray dosing device for an anesthesia department comprises an injection tube, wherein a spray head and an injection handle are arranged on the injection tube, a piston is arranged in the injection tube and is arranged on a piston shaft, an arc surface is oppositely arranged on the side wall of the piston shaft, and an external thread is arranged on the arc surface; the piston shaft is movably sleeved with a quantitative handle, a round hole is formed in the quantitative handle, inner threads which are arranged oppositely are arranged on the inner wall of the round hole, and the quantitative handle is locked when the quantitative handle rotates to the state that the inner threads are matched with the outer threads.

Preferably, a first magnetic block is arranged on one side, facing the injection handle, of the quantitative handle, and a second magnetic block matched with the first magnetic block is arranged on one side, facing the quantitative handle, of the injection handle.

Preferably, a positioning tube is arranged on one side of the quantitative handle facing the syringe, four positioning convex strips are distributed on the outer wall of the positioning tube at intervals of 90 degrees, and four positioning grooves are distributed on the inner wall of the syringe at intervals of 90 degrees.

Preferably, the outer wall of the piston shaft is provided with first scale marks.

Preferably, the side wall of the piston shaft is provided with a plane along the axial direction, and the first scale mark is arranged on the plane along the axial direction.

Preferably, the outer wall of the syringe barrel is provided with second scale marks.

Preferably, the spray head comprises a circular table body and a spray ball which are communicated with each other, the circular table body is connected with the injection tube, and the wall of the spray ball is provided with a spray hole.

Preferably, the diameter of the middle part of the spray hole becomes smaller to form a throat.

Preferably, one end of the injection tube is provided with a nipple, and the spray head is in threaded connection with the nipple.

Preferably, the piston shaft is provided with a piston handle at an end facing away from the piston.

The utility model has the advantages that:

1. the preoperative quantitative spray drug delivery device for the anesthesia department provided by the utility model has the same way as normal drug pumping and injection when in non-quantitative drug delivery; when the quantitative medicine is required to be quantified, the quantitative handle is only required to be slid to the corresponding scale after the medicine is pumped, the quantitative handle is locked by 90 degrees, and the quantitative handle stops injection when the medicine is injected to the preset dose, so that the quantitative function is achieved, and the operation is very simple and convenient.

2. The utility model provides a pair of department of anesthesia is with quantitative spraying device of dosing before art, the spraying area in spraying hole is big, and the spraying hole is the venturi structure, can let the interior liquid medicine of spraying ball spout rapidly from spraying hole department, forms vaporifically, lets the medicine distribute at oral cavity or nasal cavity mucosa better, reaches quick absorptive effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the preoperative quantitative spray drug delivery device for anesthesia department of the present invention.

Fig. 2 is a partial sectional view of the spray ball of the present invention.

Fig. 3 is a schematic view of the circular truncated cone of the present invention.

Figure 4 is a top view of the injection handle of the present invention.

Fig. 5 is a bottom view of the dosing handle of the present invention.

Fig. 6 is a sectional view taken in the direction of a-a in fig. 1.

Fig. 7 is another schematic view of the device for administering a pre-operative metered dose spray for anesthesia of the present invention.

Fig. 8 is a sectional view taken in the direction B-B in fig. 7.

In the figure: 1-an injection tube; 2-injection handle; 3-a piston; 4-a piston shaft; 5-external thread; 6-a quantitative handle; 7-internal threads; 8-a first magnetic block; 9-a second magnetic block; 10-a positioning tube; 11-positioning convex strips; 12-a groove; 13-a cone; 14-a spray ball; 15-spray holes; 16-throat; 17-nipple; 18-piston shank.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that the indication of the position or the positional relationship is based on the position or the positional relationship shown in the drawings, or the position or the positional relationship which is usually placed when the product of the present invention is used, or the position or the positional relationship which is conventionally understood by those skilled in the art, and is only for the convenience of describing the present invention and simplifying the description, but it is not to indicate or suggest that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. For those skilled in the art, the specific meaning of the above terms in the present invention and the attached drawings in the embodiments can be understood in specific situations, and the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

The invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 8, the preoperative quantitative spray drug delivery device for the anesthesia department of the present embodiment includes a syringe 1, a spray head is detachably disposed at one end of the syringe 1 having an outlet, an injection handle 2 is fixedly disposed at one end of the syringe 1 departing from the spray head, a piston 3 is disposed in the syringe 1, and the piston 3 is mounted on a piston shaft 4. As shown in fig. 6, the cross section of the piston shaft 4 is flat, and the cross section has two arcs and two straight lines which are arranged oppositely. The central angle that the circular arc corresponds is less than 90 degrees, and 4 sections of piston shaft are the circular arc surface that the two sides of circular arc set up for relative, are equipped with external screw thread 5 on the circular arc surface, and 4 sections of piston shaft are the plane that the two sides of straight line set up for relative, are equipped with first scale mark on one of them plane, and first scale mark sets up along the axial of piston shaft. The external thread 5 is only arranged on the arc surface, and is not arranged on the plane.

The piston shaft 4 is movably sleeved with a quantitative handle 6, the quantitative handle 6 is provided with a round hole, the inner wall of the round hole is provided with an internal thread 7 which is arranged oppositely, the shape of the internal thread 7 is matched with that of the external thread 5, the two internal threads 7 are respectively arranged on two opposite arcs on the inner wall of the round hole, the central angle of the arc is also smaller than 90 degrees, when the internal thread 7 is staggered with the external thread 5 as shown in fig. 6, the quantitative handle 6 can slide along the piston shaft 4, and after the quantitative handle 6 rotates 90 degrees on the basis of fig. 6 as shown in fig. 8, the internal thread 7 is matched with the external thread 5 to lock the quantitative handle 6.

As shown in fig. 1, when the injection handle 2 is overlapped with the quantitative handle 6, the internal thread 7 and the external thread 5 are in a staggered state, and the piston shaft 4 can drive the piston 3 to slide in the injection tube 1, which is the same as the using method of a common injector. After medicine is pumped, the piston shaft 4 is pushed to exhaust air, the quantitative handle 6 is opposite to the scale X on the first scale mark, and specifically, an indication mark can be arranged on the quantitative handle 6 or the upper edge or the lower edge of the quantitative handle 6 is used as the indication mark, and the indication mark points to the scale X. According to the dose Y required to be injected, the quantitative handle 6 is slid to be opposite to the scale Z on the first scale mark, wherein Z is X + Y, the quantitative handle 6 rotates 90 degrees, and the internal thread 7 is matched with the external thread 5 to lock the quantitative handle 6. Then the piston shaft 4 is pushed to spray the medicine through the spray head until the quantitative handle 6 is contacted with the injection handle 2, so that the medicine spraying is prevented, and the accurate quantitative spraying and medicine feeding are realized.

The outer wall of the syringe 1 is provided with second scale markings (not shown in the figure). The second scale markings may be used to display the amount of medicament in the syringe 1. The end of the piston shaft 4 facing away from the piston 3 is provided with a piston shank 18, and the piston shank 18 facilitates pushing the piston shaft 4.

One end of the injection tube 1 is provided with a nipple 17, and the spray head is in threaded connection with the nipple 17, so that the spray head is convenient to install and detach. The spray head comprises a circular table body 13 and a spray ball 14, the circular table body 13 is communicated with the interior of the spray ball 14, the circular table body 13 is connected with the injection tube 1, and the wall of the spray ball 14 is provided with a spray hole 15. As shown in fig. 3, the truncated cone 13 is in the shape of a truncated cone, and a through hole for passing the liquid medicine is provided in the truncated cone 13, and when the spray head is attached to the nipple 17, the through hole communicates with the nipple 17.

The cone 13 is made of silica gel, the silica gel is soft in texture and avoids damaging the human body, and meanwhile, when the spray head is placed in the nasal cavity, the side wall of the cone 13 can be attached to the nostril, so that medicine outflow is reduced. The spraying holes 15 on the wall of the spraying ball 14 are uniformly distributed on the spraying ball 14, the spraying radian of the spraying holes 15 is 270 degrees, the spraying area is large, and the medicine is better distributed on the mucosa of the oral cavity or the nasal cavity, so that the effect of quick absorption is achieved.

As shown in fig. 2, the diameter of the middle of the spray orifice becomes smaller to form a throat 16. The diameters of the spraying holes on the two sides of the throat 16 are gradually increased to form a Venturi tube structure, so that the liquid medicine in the spraying ball 14 can be rapidly sprayed out from the spraying holes to form a mist shape, and the effect of rapid absorption is ensured.

As shown in fig. 4 and 5, a first magnetic block 8 is arranged on one side of the quantitative handle 6 facing the injection handle 2, and a second magnetic block 9 matched with the first magnetic block 8 is arranged on one side of the injection handle 2 facing the quantitative handle 6. The first magnet 8 and the second magnet 9 are magnets attracted with each other, and when the dosing handle 6 is overlapped with the injection handle 2, the first magnet 8 and the second magnet 9 can position the dosing handle 6 to prevent the dosing handle from falling or rotating.

The quantitative handle 6 is equipped with one section registration arm 10 towards the convex one side of injection tube 1 on, and the interval 90 circumference distributes on the outer wall of registration arm 10 has four location sand grips 11, and interval 90 circumference distributes on the inner wall of injection tube 1 has four positioning groove 12. The positioning convex strip 11 is matched with the positioning groove 12, the cross section of the positioning convex strip 11 is semicircular, and the positioning convex strip 11 can slide into the positioning groove 12 to position the quantitative handle 6 and prevent the quantitative handle from falling or rotating. Particularly, the positioning convex strips 11 and the positioning grooves 12 are arranged at intervals of 90 degrees, and when the quantitative handle 6 is locked by moving the quantitative handle 6 and rotating the quantitative handle by 90 degrees and the piston shaft 4 is pushed to spray, the positioning convex strips 11 can still be smoothly pushed into the positioning grooves 12.

The quantitative handle 6 is positioned by the first magnetic block 8 and the second magnetic block 9, and the quantitative handle 6 is positioned by the positioning convex strip 11 and the positioning groove 12, and the two modes can be combined for use and can also be respectively used.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. The utility model provides a department of anesthesia is with quantitative spraying device of dosing before art, includes injection tube (1), is equipped with atomising head and injection handle (2) on injection tube (1), is equipped with piston (3) in injection tube (1), and install on piston shaft (4) piston (3), its characterized in that: the side wall of the piston shaft (4) is provided with arc surfaces which are oppositely arranged, and the arc surfaces are provided with external threads (5); the piston shaft (4) is movably sleeved with a quantitative handle (6), a round hole is formed in the quantitative handle (6), internal threads (7) which are arranged oppositely are arranged on the inner wall of the round hole, and the quantitative handle (6) is locked when the internal threads (7) are matched with the external threads (5) after the quantitative handle (6) is rotated.

2. The pre-operative metered dose spray delivery device for anesthesia as recited in claim 1, wherein: a first magnetic block (8) is arranged on one side of the quantitative handle (6) facing the injection handle (2), and a second magnetic block (9) matched with the first magnetic block (8) is arranged on one side of the injection handle (2) facing the quantitative handle (6).

3. The pre-operative metered dose spray delivery device for anesthesia as recited in claim 1, wherein: one side of the quantitative handle (6) facing the injection tube (1) is provided with a positioning tube (10), four positioning convex strips (11) are distributed on the outer wall of the positioning tube (10) at intervals of 90 degrees, and four positioning grooves (12) are distributed on the inner wall of the injection tube (1) at intervals of 90 degrees.

4. The pre-operative metered dose spray delivery device for anesthesia as recited in claim 1, wherein: the outer wall of the piston shaft (4) is provided with first scale marks.

5. The pre-operative metered dose spray delivery device for anesthesia as recited in claim 4, wherein: the side wall of the piston shaft (4) is provided with a plane along the axial direction, and the first scale mark is arranged on the plane along the axial direction.

6. The pre-operative metered spray drug delivery device for anesthesia department according to claim 1 or 4, characterized in that: and the outer wall of the injection cylinder (1) is provided with second scale marks.

7. The pre-operative metered dose spray delivery device for anesthesia as recited in claim 1, wherein: the spray head comprises a circular table body (13) and a spray ball (14), wherein the circular table body (13) and the spray ball (14) are communicated with each other, the circular table body (13) is connected with the injection tube (1), and the wall of the spray ball (14) is provided with a spray hole (15).

8. The pre-operative metered dose spray delivery device for anesthesia as recited in claim 7, wherein: the diameter of the middle part of the spray hole becomes smaller to form a throat (16).

9. The pre-operative metered dose spray delivery device for anesthesia as recited in claim 1, wherein: one end of the injection tube (1) is provided with a nipple (17), and the spray head is in threaded connection with the nipple (17).

10. The pre-operative metered dose spray delivery device for anesthesia as recited in claim 1, wherein: and a piston handle (18) is arranged at one end of the piston shaft (4) departing from the piston (3).