CN215024063U

CN215024063U - Dosage-controllable syringe for anesthesia department

Info

Publication number: CN215024063U
Application number: CN202120420879.0U
Authority: CN
Inventors: 胡柳青; 徐昊
Original assignee: Jiangsu Province Hospital First Affiliated Hospital With Nanjing Medical University
Current assignee: Jiangsu Province Hospital First Affiliated Hospital With Nanjing Medical University
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-12-07
Anticipated expiration: 2031-02-26

Abstract

The utility model discloses a controllable dosage's department of anesthesia uses syringe, including the cylinder, the end connection of cylinder has the detachable position cap, swing joint has the piston in the cylinder, one side of piston is connected with the push-and-pull rod that the activity stretches out the position cap, the end connection of push-and-pull rod has the detachable push-and-pull board, set up the notch that has the level to set up on the push-and-pull rod, the interior bottom surface mark of notch has the scale, the thread bush is equipped with on the push-and-pull rod, one side of thread bush rotates to be connected with the movable sleeve of cover dress on the push-and-pull rod, threaded connection has the locking bolt on the movable sleeve, the tip of locking bolt rotates to be connected with and slides and sets up the locating piece in the notch, thereby can adjust the relative position of locating piece before the injection, thereby make it can accurate control the volume of injection when the injection, and wholly convenient to dismantle, make it be convenient for cleaning and disinfecting, so that the utility model can better meet the actual use requirement.

Description

Dosage-controllable syringe for anesthesia department

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a dosage-controllable injector for anesthesia department.

Background

The anesthesia discipline is a comprehensive discipline that contains knowledge of multiple disciplines. Has wide range, not only meets the requirements of operations, but also participates in rescue work of various departments, painless delivery of gynecology, painless abortion and the like.

While the anesthesia department often uses a syringe to inject, the existing syringe has scales, but the injection dosage can not be accurately controlled, and therefore, a controllable dosage anesthesia department syringe is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a controllable dosage of injector for anesthesia department, which solves the problems provided by the prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a controllable dose injector for anesthesia department comprises a needle cylinder, wherein the end part of the needle cylinder is connected with a detachable positioning cap;

a piston is movably connected in the needle cylinder, one side of the piston is connected with a push-pull rod which movably extends out of the positioning cap, and the end part of the push-pull rod is connected with a detachable push-pull plate;

the push-pull rod is provided with a horizontally arranged notch, scales are marked on the inner bottom surface of the notch, a threaded sleeve is sleeved on the push-pull rod in a threaded manner, and a movable sleeve sleeved on the push-pull rod is rotatably connected to one side of the threaded sleeve;

the movable sleeve is in threaded connection with a locking bolt, and the end of the locking bolt is rotatably connected with a positioning block which is arranged in the notch in a sliding mode.

Preferably, the end of the needle cylinder is provided with a connecting groove, and the connecting groove is internally in threaded connection with a threaded head fixed on the positioning cap.

Preferably, the positioning cap is provided with a through hole, and the push-pull rod movably extends out of the through hole of the positioning cap.

Preferably, a threaded groove is formed in one side of the push-pull plate, and the end of the push-pull rod is connected with a connector in threaded connection with the threaded groove.

Preferably, the push-pull rod is provided with an external thread, and the threaded sleeve is matched with the external thread.

Preferably, an annular groove is formed in one side of the threaded sleeve, and one side of the movable sleeve is slidably arranged in the annular groove.

(III) advantageous effects

The utility model provides a controllable dose syringe for anesthesia department. The method has the following beneficial effects: can adjust the relative position of locating piece before the injection to make its volume that can accurate control injection when the injection, and whole convenient to detach makes its cleanness of being convenient for and disinfection of disinfecting, makes its better satisfied in-service use demand.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of area A in FIG. 1;

fig. 3 is a schematic structural view of the middle push-pull rod of the present invention.

In the figure: 1. a needle cylinder; 2. a positioning cap; 3. a piston; 4. a push-pull rod; 5. a push-pull plate; 6. a notch; 7. a threaded sleeve; 8. a movable sleeve; 9. a locking bolt; 10. positioning blocks; 11. connecting grooves; 12. a screw head; 13. a thread groove; 14. a connecting head.

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. 1-3, the present invention provides a technical solution: a dose-controllable injector for anesthesia department comprises a needle cylinder 1, wherein the end part of the needle cylinder 1 is connected with a detachable positioning cap 2, the end part of the needle cylinder 1 is provided with a connecting groove 11, and a threaded head 12 fixed on the positioning cap 2 is in threaded connection with the connecting groove 11, so that the positioning cap 2 is convenient to disassemble;

a piston 3 is movably connected in the needle cylinder 1, one side of the piston 3 is connected with a push-pull rod 4 which movably extends out of the positioning cap 2, the piston 3 is provided with a clamping hole, the push-pull rod 4 is connected with a spherical chuck for clamping in the clamping hole, the positioning cap 2 is provided with a through hole, the push-pull rod 4 movably extends out of the through hole of the positioning cap 2, the end part of the push-pull rod 4 is connected with a detachable push-pull plate 5, one side of the push-pull plate 5 is provided with a thread groove 13, and the end part of the push-pull rod 4 is connected with a connector 14 which is in threaded connection with the thread groove 13, so that the push-pull plate 5 can be conveniently detached;

a horizontally arranged notch 6 is formed in the push-pull rod 4, scales are marked on the inner bottom surface of the notch 6, a threaded sleeve 7 is sleeved on the push-pull rod 4 in a threaded manner, and a movable sleeve 8 sleeved on the push-pull rod 4 is rotatably connected to one side of the threaded sleeve 7;

the movable sleeve 8 is in threaded connection with a locking bolt 9, and the end part of the locking bolt 9 is rotatably connected with a positioning block 10 which is arranged in the notch 6 in a sliding mode.

The push-pull rod 4 is provided with an external thread, the thread bush 7 is matched with the external thread, one side of the thread bush 7 is provided with an annular groove, and one side of the movable bush 8 is arranged in the annular groove in a sliding mode, so that the rotation of the thread bush 7 is not influenced.

During injection, the locking of the locking bolt 9 can be loosened, so that the threaded sleeve 7 can rotate to drive the movable sleeve 8 to move to a specified scale, the locking bolt 9 is locked, the movable sleeve 8 moves due to accidental touch of a hand, and the push-pull plate 5 can be directly pushed during injection until the movable sleeve 8 abuts against the positioning cap 2, so that accurate injection is completed;

the removability of the positioning cap 2 ensures that the piston 3 is convenient to move out of the needle cylinder 1, thereby being convenient to clean the piston 3 and the interior of the needle cylinder 1;

thereby can adjust the relative position of locating piece before the injection to make its volume that can accurate control injection when the injection, and whole convenient to detach makes its cleanness of being convenient for and disinfection of disinfecting, makes its better satisfied in-service use demand.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A controllable dose syringe for anesthesia department, which comprises a syringe (1) and is characterized in that: the end part of the needle cylinder (1) is connected with a detachable positioning cap (2);

a piston (3) is movably connected in the needle cylinder (1), one side of the piston (3) is connected with a push-pull rod (4) which movably extends out of the positioning cap (2), and the end part of the push-pull rod (4) is connected with a detachable push-pull plate (5);

a horizontally arranged notch (6) is formed in the push-pull rod (4), scales are marked on the inner bottom surface of the notch (6), a threaded sleeve (7) is sleeved on the push-pull rod (4) in a threaded manner, and a movable sleeve (8) sleeved on the push-pull rod (4) is rotatably connected to one side of the threaded sleeve (7);

the movable sleeve (8) is in threaded connection with a locking bolt (9), and the end part of the locking bolt (9) is rotatably connected with a positioning block (10) which is arranged in the notch (6) in a sliding mode.

2. A controllable dose anesthetic syringe as claimed in claim 1, further comprising: the end part of the needle cylinder (1) is provided with a connecting groove (11), and a thread head (12) fixed on the positioning cap (2) is connected in the connecting groove (11) in a threaded manner.

3. A controllable dose anesthetic syringe as claimed in claim 1, further comprising: the positioning cap (2) is provided with a through hole, and the push-pull rod (4) movably extends out of the through hole of the positioning cap (2).

4. A controllable dose anesthetic syringe as claimed in claim 1, further comprising: a thread groove (13) is formed in one side of the push-pull plate (5), and the end of the push-pull rod (4) is connected with a connector (14) which is in threaded connection with the thread groove (13).

5. A controllable dose anesthetic syringe as claimed in claim 1, further comprising: the push-pull rod (4) is provided with an external thread, and the thread sleeve (7) is matched with the external thread.

6. A controllable dose anesthetic syringe as claimed in claim 1, further comprising: an annular groove is formed in one side of the threaded sleeve (7), and one side of the movable sleeve (8) is slidably arranged in the annular groove.