Adjustable anesthetic syringe

By designing an anesthesia syringe that includes a hollow cylinder, a needle, an assembly and a boosting mechanism, and using a rack push rod and a disk motor to achieve precise injection of anesthetic liquid, it solves the problem of difficulty in adjusting and operating the dosage of anesthetic liquid in the existing technology. It solves the problem of large limitations and achieves simple operation and good injection effect.

CN222368142UActive Publication Date: 2025-01-21TANGSHAN UNION MEDICAL COLLEGE HOSPITAL
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Patent Information

Application Number
CN202323048451.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-11-13
Publication Date
2025-01-21
Estimated Expiration
2033-11-13

AI Technical Summary

Technical Problem

During the boosting process, existing anesthesia syringes are limited by the size of the operator's palm, which makes the dose of anesthetic solution difficult to adjust and has great operational limitations.

Method used

An adjustable anesthesia syringe is designed, which adopts a structure that combines a hollow cylinder, a needle, an assembly and a boosting mechanism. It achieves precise injection of anesthesia liquid through a rack push rod and a disc motor. The speed adjustment knob can adjust the injection. speed.

Benefits of technology

It achieves precise injection of anesthetic liquid, is simple to operate, and has good injection effect. It can adjust the injection speed as needed, improve the stability of anesthesia induction, and reduce discomfort.

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Abstract

The utility model provides an adjustable anesthetic syringe which comprises a hollow cylinder, a needle is arranged at one end of the hollow cylinder in a matched mode, an assembly part is arranged at the other end of the hollow cylinder in a matched mode, a boosting mechanism is arranged at one end of the assembly part in a matched mode, and a rack push rod is arranged in the hollow cylinder and penetrates through the boosting mechanism to extend towards one end. The anesthetic syringe has the advantages that the anesthetic syringe is good in operation effect and high in use value, the boosting mechanism achieves stretching and retracting of the rack push rod through transmission so as to achieve injection of anesthetic liquid, the boosting mechanism can be adjusted so as to achieve adjustment of injection speed, stability of anesthesia induction is improved, and discomfort is avoided.
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Description

Technical Field

[0001] The utility model belongs to the technical field of medical treatment, and particularly relates to an adjustable anesthesia syringe. Background Art

[0002] The anesthetic syringe can be used to perform local anesthesia on the area that needs treatment to block the sensory nerve conduction function in that area and reduce the pain caused by the operation to the patient.

[0003] At present, most anesthesia syringes use manual assistance to inject anesthetic solutions. The assistance process uses force applied by the palm. The size of the palm affects the dosage of the anesthetic solution, which has certain limitations for the operator.

[0004] Therefore, in view of the shortcomings of the above scheme in actual production and implementation, it is revised and improved. At the same time, in the spirit and concept of seeking excellence, with the assistance of professional knowledge and experience, and after many ingenuity and experiments, the present utility model is created, and an adjustable anesthesia syringe is provided to solve the above problems. Utility Model Content

[0005] The utility model provides an adjustable anesthesia syringe, which solves the problems in the prior art.

[0006] The technical solution of the utility model is implemented as follows: an adjustable anesthesia syringe comprises: a hollow cylinder, one end of the hollow cylinder is equipped with a needle, the other end is equipped with an assembly part, one end of the assembly part is equipped with a boost mechanism, a rack push rod is arranged in the hollow cylinder, and the rack push rod penetrates the boost mechanism and extends to one end.

[0007] As a preferred embodiment of an adjustable anesthesia syringe, the outer wall of the hollow cylinder is provided with a scale, both ends of the hollow cylinder are provided with threads, the needle is connected to one end of the hollow cylinder through the threads, and the assembly is connected to the other end of the hollow cylinder through the threads.

[0008] As a preferred embodiment of an adjustable anesthesia syringe, a handle is provided at the bottom of the assembly.

[0009] As a preferred embodiment of an adjustable anesthesia syringe, the boost mechanism includes a shell, a connecting plate is provided at one end of the shell, a fastener is provided on the connecting plate, an end plate is provided at one end of the assembly, the connecting plate is fixedly matched with the end plate through the fastener, a limiting frame is provided in the shell, a battery plate is slidably matched in the limiting frame, a disc motor is provided in the shell, a transmission gear is provided on the output end of the disc motor, the battery plate is electrically connected to the disc motor, the rack push rod is meshed with the transmission gear, a speed regulating knob is provided on the top of the shell, the disc motor is electrically connected to the speed regulating knob, a power supply socket is provided on the outer wall of the shell, and the battery plate is electrically connected to the power supply socket.

[0010] As a preferred embodiment of an adjustable anesthesia syringe, a switch is provided on the handle, and the battery panel, the disc motor and the switch are electrically connected.

[0011] By adopting the above solution, the shell and the assembly parts are detachable to facilitate the maintenance and repair of the internal structure;

[0012] The disc motor is small in size and relatively compact in structure. After being matched in the housing, it can stably transmit with the rack push rod. The disc motor can extend and retract the rack push rod through meshing transmission, thereby achieving the injection of anesthetic solution. The operation is simple and the injection effect is good.

[0013] The speed knob can adjust the speed of the disc motor, thereby adjusting the speed of injection to improve the smoothness of anesthesia induction and avoid discomfort.

[0014] As a preferred embodiment of an adjustable anesthesia syringe, the assembly is provided with a first guide hole corresponding to the rack push rod, and the rack push rod is slidably fitted in the first guide hole.

[0015] As a preferred embodiment of an adjustable anesthesia syringe, the housing is provided with a second guide hole corresponding to the rack push rod, and the rack push rod is slidably fitted in the second guide hole.

[0016] As a preferred embodiment of an adjustable anesthesia syringe, a push piece is provided at the end of the rack push rod, a sealing ring is provided in the middle of the push piece, and the inner wall of the hollow cylinder abuts against the sealing ring.

[0017] As a preferred embodiment of an adjustable anesthesia syringe, a groove is provided in the middle of the push piece, and the sealing ring fits in the groove.

[0018] By adopting the above scheme, the sealing ring can achieve air isolation and backflow of anesthetic liquid.

[0019] After adopting the above technical scheme, the beneficial effects of the utility model are: 1. The anesthesia syringe has good operation effect and high use value.

[0020] 2. The disc motor can realize the extension and retraction of the rack push rod through meshing transmission, thereby achieving the injection of anesthetic solution. The speed knob can adjust the speed of the disc motor, thereby adjusting the injection speed to improve the stability of anesthesia induction and avoid discomfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0022] Figure 1 It is a left view of the structure of the adjustable anesthesia syringe of the utility model;

[0023] Figure 2 It is a right side view of the structure of the adjustable anesthesia syringe of the utility model;

[0024] Figure 3 It is a structural cross-sectional view of the adjustable anesthesia syringe of the utility model;

[0025] Figure 4 This is a schematic diagram of the positional relationship between the hollow cylinder, the needle, and the assembly parts of the utility model;

[0026] Figure 5 This is a schematic diagram of the rack push rod structure of the utility model;

[0027] Figure 6 This is a schematic diagram showing the positional relationship between the assembly part and the booster mechanism of the utility model;

[0028] Figure 7 This is a structural side view of the boosting mechanism of the utility model;

[0029] Figure 8 The internal structure of the booster mechanism of the utility model is shown in FIG. Figure 1 ;

[0030] Fig. 9 The internal structure of the booster mechanism of the utility model is shown in FIG. Figure 2 ;

[0031] In the figure, 1-hollow cylinder; 11-scale; 2-needle; 3-assembly part; 31-handle; 32-switch; 33-end plate; 34-first guide hole; 4-boost mechanism; 41-housing; 42-connecting plate; 43-second guide hole; 44-speed knob; 45-power socket; 46-limiting frame; 47-battery board; 48-disc motor; 49-transmission gear; 5-rack push rod; 51-push sheet; 52-sealing ring. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] like Figure 1-9 As shown, an adjustable anesthesia syringe comprises: a hollow cylinder 1, one end of the hollow cylinder 1 is equipped with a needle 2, the other end is equipped with an assembly part 3, one end of the assembly part 3 is equipped with a boosting mechanism 4, a rack push rod 5 is arranged in the hollow cylinder 1, and the rack push rod 5 penetrates the boosting mechanism 4 and extends to one end.

[0034] A push piece 51 is provided at the end of the rack push rod 5 , a sealing ring 52 is provided in the middle of the push piece 51 , and the inner wall of the hollow cylinder 1 abuts against the sealing ring 52 .

[0035] A groove is provided in the middle of the push piece 51, and the sealing ring 52 fits in the groove.

[0036] like Figure 4 As shown, a scale 11 is provided on the outer wall of the hollow cylinder 1, and threads are provided at both ends of the hollow cylinder 1. The needle 2 is connected to one end of the hollow cylinder 1 through the threads, and the assembly part 3 is connected to the other end of the hollow cylinder 1 through the threads.

[0037] like Figure 5-9 As shown, the boost mechanism 4 includes a shell 41, a connecting plate 42 is provided at one end of the shell 41, and a fastener is provided on the connecting plate 42. An end plate 33 is provided at one end of the assembly part 3, and the connecting plate 42 is fixedly matched with the end plate 33 through the fastener. A limit frame 46 is provided in the shell 41, and a battery plate 47 is slidably matched in the limit frame 46. A disc motor 48 is provided in the shell 41, and a transmission gear 49 is provided on the output end of the disc motor 48. The battery plate 47 is electrically connected to the disc motor 48, and the rack push rod 5 is meshed with the transmission gear 49. A speed regulating knob 44 is provided on the top of the shell 41, and the disc motor 48 is electrically connected to the speed regulating knob 44. A power supply socket 45 is provided on the outer wall of the shell 41, and the battery plate 47 is electrically connected to the power supply socket 45.

[0038] A handle 31 is disposed at the bottom of the assembly 3 , a switch 32 is disposed on the handle 31 , and the battery panel 47 and the disc motor 48 are electrically connected to the switch 32 .

[0039] The assembly part 3 is provided with a first guide hole 34 corresponding to the rack push rod 5 , and the rack push rod 5 is slidably fitted in the first guide hole 34 .

[0040] The housing 41 is provided with a second guide hole 43 corresponding to the rack push rod 5 , and the rack push rod 5 is slidably fitted in the second guide hole 43 .

[0041] During the extraction process, the switch 32 controls the disk motor 48 to rotate the transmission rack push rod 5 forward and gradually move away from the needle 2. In this process, anesthetic liquid will be continuously extracted, and the anesthetic liquid content can be determined by observing the scale 11. During the injection process, the switch 32 controls the disk motor 48 to rotate the transmission rack push rod 5 in the reverse direction and gradually approach the needle 2. At this time, the anesthetic liquid will be continuously pushed out to complete the injection.

[0042] In the description of the present utility model, it should be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In the description of the present utility model, unless otherwise specified and limited, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, it can be a direct connection, or it can be an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable anesthesia syringe, characterized in that: include: A hollow cylinder (1), one end of the hollow cylinder (1) is provided with a needle (2), the other end is provided with an assembly part (3), one end of the assembly part (3) is provided with a boost mechanism (4), a rack push rod (5) is provided inside the hollow cylinder (1), and the rack push rod (5) penetrates the boost mechanism (4) and extends to one end; The boost mechanism (4) comprises a shell (41), one end of the shell (41) is provided with a connecting plate (42), the connecting plate (42) is provided with a fastener, one end of the assembly part (3) is provided with an end plate (33), the connecting plate (42) is fixedly matched with the end plate (33) through the fastener, a limiting frame (46) is provided in the shell (41), a battery plate (47) is slidably matched in the limiting frame (46), and a disc motor (48) is provided in the shell (41). ), a transmission gear (49) is arranged on the output end of the disk motor (48), the battery panel (47) is electrically connected to the disk motor (48), the rack push rod (5) is meshingly connected to the transmission gear (49), a speed regulating knob (44) is arranged on the top of the housing (41), the disk motor (48) is electrically connected to the speed regulating knob (44), a power supply socket (45) is arranged on the outer wall of the housing (41), and the battery panel (47) is electrically connected to the power supply socket (45).

2. An adjustable anesthesia syringe according to claim 1, characterized in that: The outer wall of the hollow cylinder (1) is provided with scales, and both ends of the hollow cylinder (1) are provided with threads. The needle (2) is connected to one end of the hollow cylinder (1) through the threads, and the assembly part (3) is connected to the other end of the hollow cylinder (1) through the threads.

3. The adjustable anesthesia syringe according to claim 1, characterized in that: A handle (31) is provided at the bottom of the assembly part (3).

4. An adjustable anesthesia syringe according to claim 3, characterized in that: The handle (31) is provided with a switch (32), and the battery panel (47) and the disc motor (48) are electrically connected to the switch (32).

5. The adjustable anesthesia syringe according to claim 1, characterized in that: The assembly part (3) is provided with a first guide hole (34) corresponding to the rack push rod (5), and the rack push rod (5) is slidably fitted in the first guide hole (34).

6. The adjustable anesthesia syringe according to claim 4, characterized in that: The housing (41) is provided with a second guide hole (43) corresponding to the rack push rod (5), and the rack push rod (5) is slidably fitted in the second guide hole (43).

7. The adjustable anesthesia syringe according to claim 1, characterized in that: The end of the rack push rod (5) is provided with a push piece (51), the middle of the push piece (51) is provided with a sealing ring (52), and the inner wall of the hollow cylinder (1) is in contact with the sealing ring (52).

8. An adjustable anesthesia syringe according to claim 7, characterized in that: The push piece (51) is provided with a groove in the middle, and the sealing ring (52) fits in the groove.