CN210331287U

CN210331287U - Safe epidural anesthesia needle

Info

Publication number: CN210331287U
Application number: CN201920750903.XU
Authority: CN
Inventors: 张乃春; 窦友红
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-04-17
Anticipated expiration: 2029-05-23

Abstract

The utility model discloses a epidural anesthesia needle with safe use, which relates to the medical field and aims at the problems of poor stability, low safety and low injection precision of the prior epidural anesthesia needle, the utility model provides a proposal which comprises a liquid storage cylinder, a piston plate is slidably arranged on the inner wall of the liquid storage cylinder, a pressure rod is fixedly arranged at the top end of the piston plate, the top end of the pressure rod passes through the liquid storage cylinder and extends to the upper part of the liquid storage cylinder, a pressing block is fixedly arranged at the bottom end of the pressure rod, two connecting rods are symmetrically and fixedly arranged at the two ends of the pressing block, guide threads are symmetrically arranged at the two ends of the liquid storage cylinder, a lifting ring and a spacing nut ring are arranged at the outer end of the liquid storage cylinder, the lifting ring is positioned above the spacing nut ring, the inner wall of the spacing nut ring is provided with internal threads, and the spacing nut ring is connected with, the precision is high, and convenient operation, and the practicality is high.

Description

Safe epidural anesthesia needle

Technical Field

The utility model relates to the field of medical treatment, especially, relate to an epidural anesthesia needle safe in utilization.

Background

Epidural anesthesia refers to epidural space block anesthesia, i.e., local anesthetic is injected into the epidural space to block spinal nerve root and temporarily paralyze the innervated area, which is called epidural space block anesthesia, or epidural space block for short. Depending on the mode of administration, a single-dose method and a continuous method can be classified. The puncture position can be divided into high position, middle position, low position and sacral canal block. The problems of poor stability, low safety and low injection precision of the existing epidural anesthesia needle are solved, and the epidural anesthesia needle safe to use is further provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of epidural anesthesia needle safe in utilization has solved current epidural anesthesia needle poor stability, and the security is low, the problem that the injection precision is low.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a epidural anesthesia needle safe in utilization, includes the liquid storage cylinder, liquid storage cylinder inner wall slidable mounting has the piston board, piston board top fixed mounting has the depression bar, the depression bar top is passed the liquid storage cylinder and is extended to the liquid storage cylinder top, depression bar bottom fixed mounting has the briquetting, briquetting both ends symmetry fixed mounting has two connecting rods, liquid storage cylinder both ends symmetry is provided with the direction screw thread, lifter ring and spacing nut ring are installed to the liquid storage cylinder outer end, and the lifter ring is located spacing nut ring top, spacing nut intra-annular wall is provided with the internal thread, and spacing nut ring passes through internal thread and direction screw thread threaded connection, both ends all are provided with the spout around the liquid storage cylinder, and the lifter ring passes through slider and spout sliding connection, the syringe needle is installed to the liquid storage cylinder bottom, and the liquid storage cylinder is linked together with the syringe needle.

Preferably, the upper end of the pressing block is provided with a groove, the upper end of the pressing block is detachably provided with a pressing plate, the pressing plate is located right above the groove, and the bottom end of the pressing plate and the inner wall of the groove are both provided with anti-skidding lines.

Preferably, the upper end of the pressing block is fixedly provided with two screw rods, the two screw rods are symmetrically arranged on two sides of the groove, the top ends of the screw rods penetrate through the pressing plate, the screw rods are detachably mounted with the pressing plate through nuts, and the nuts are located above the pressing plate.

Preferably, the direction of the sliding groove is parallel to the direction of the connecting rod.

Preferably, a graduated scale is fixed at the front end of the liquid storage cylinder.

Preferably, the bottom of the needle head is sleeved with a needle cap.

The utility model discloses in, through the setting of recess, briquetting, screw rod and clamp plate etc. can realize fixing pressing the thumb, avoid pressing the thumb and taking place to slide with the briquetting, influence the stability that the briquetting pushed down, and then influence the stability of injection, through the setting such as spacing nut ring, spout, guide thread, lifting ring, slider and connecting rod, can realize quantitative injection, improve the injection precision.

The utility model discloses injection stability is good, and the precision is high, and convenient operation, and the practicality is high.

Drawings

Fig. 1 is a front view of an epidural anesthesia needle which is safe in use according to the present invention.

Fig. 2 is a rear view of the epidural anesthesia needle of the present invention which is safe in use.

Fig. 3 is a sectional view of a liquid storage cylinder in the epidural anesthesia needle which is safe in use.

Reference numbers in the figures: the device comprises a groove 1, a pressure rod 2, a graduated scale 3, a needle cap 4, a needle head 5, a piston plate 6, a liquid storage cylinder 7, a limit nut ring 8, a sliding groove 9, a guide thread 10, a lifting ring 11, a sliding block 12, a connecting rod 13, a pressing block 14, a screw rod 15 and a pressing plate 16.

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.

Referring to fig. 1-3, a safe epidural anesthesia needle comprises a liquid storage cylinder 7, a piston plate 6 is slidably mounted on the inner wall of the liquid storage cylinder 7, a press rod 2 is fixedly mounted at the top end of the piston plate 6, the top end of the press rod 2 passes through the liquid storage cylinder 7 and extends to the upper side of the liquid storage cylinder 7, a press block 14 is fixedly mounted at the bottom end of the press rod 2, two connecting rods 13 are symmetrically and fixedly mounted at two ends of the press block 14, guide threads 10 are symmetrically arranged at two ends of the liquid storage cylinder 7, a lifting ring 11 and a limit nut ring 8 are mounted at the outer end of the liquid storage cylinder 7, the lifting ring 11 is positioned above the limit nut ring 8, inner threads are arranged on the inner wall of the limit nut ring 8, the limit nut ring 8 is in threaded connection with the guide threads 10 through the inner threads, sliding grooves 9 are arranged at the front and rear ends of the, and the liquid storage cylinder 7 is communicated with the needle head 5.

Recess 1 has been seted up to 14 upper ends of briquetting, 14 upper ends of briquetting are detachable installs clamp plate 16, clamp plate 16 is located directly over recess 1, 16 bottom of clamp plate and 1 inner wall of recess all are provided with anti-skidding line, 14 upper end fixed mounting of briquetting have two screw rods 15, and two 15 symmetries of screw rod set up in recess 1 both sides, 15 tops of two screw rods run through in clamp plate 16, and screw rod 15 passes through the detachable installation of nut and clamp plate 16, and the nut is located the clamp plate 16 top, the 9 directions of spout parallel with 13 directions of connecting rod, 7 front ends of liquid storage cylinder are fixed with scale 3, 5 bottom covers of syringe needle are equipped with needle cap.

Example (b): can be with pressing the thumb and putting in recess 1 of briquetting 14 upper end, then the staff twists the nut on the screw rod 15, can drive clamp plate 16 and move down, thereby realize fixing the laminating to thumb and recess 1 inner wall, then the staff is according to the liquid medicine volume of needs injection, staff twists spacing nut ring 8, can drive spacing nut ring 8 and reciprocate, when briquetting 14 pushes down, accessible depression bar 2 drives piston plate 6 and pushes down, and then impress the injection into syringe needle 5, realize the injection, and when briquetting 14 moved down, drive the lifting ring 11 through connecting rod 13 and move down, connect department when lifting ring 11 and spacing nut ring 8, show that the volume of needs injection has been reached this moment, spacing nut ring 8 just can block to go up and down to change and continue to move down this moment, and then briquetting 14 can't continue to push down, just stop the injection. Through the setting of recess 1, briquetting 14, screw rod 15 and clamp plate 16 etc., can realize fixing pressing the thumb, avoid pressing the thumb and taking place to slide with briquetting 14, influence the stability that briquetting 14 pushed down, and then influence the stability of injection, through the setting of spacing nut ring 8, spout 9, guide thread 10, lifting ring 11, slider 12 and connecting rod 13 etc., can realize quantitative injection, improve the injection precision. The utility model discloses injection stability is good, and the precision is high, and convenient operation, and the practicality is high.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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 epidural anesthesia needle is safe to use and comprises a liquid storage cylinder (7) and is characterized in that a piston plate (6) is slidably mounted on the inner wall of the liquid storage cylinder (7), a press rod (2) is fixedly mounted at the top end of the piston plate (6), the top end of the press rod (2) penetrates through the liquid storage cylinder (7) and extends to the top of the liquid storage cylinder (7), a press block (14) is fixedly mounted at the bottom end of the press rod (2), two connecting rods (13) are symmetrically and fixedly mounted at two ends of the press block (14), guide threads (10) are symmetrically arranged at two ends of the liquid storage cylinder (7), a lifting ring (11) and a limiting nut ring (8) are mounted at the outer end of the liquid storage cylinder (7), the lifting ring (11) is located above the limiting nut ring (8), internal threads are arranged on the inner wall of the limiting nut ring (8), and the limiting nut ring (8) is in threaded connection with the, both ends all are provided with spout (9) around liquid storage cylinder (7), and go up and down ring (11) and pass through slider (12) and spout (9) sliding connection, syringe needle (5) are installed to liquid storage cylinder (7) bottom, and liquid storage cylinder (7) are linked together with syringe needle (5).

2. The epidural anesthesia needle safe in use according to claim 1, characterized in that the upper end of the pressing block (14) is provided with a groove (1), the upper end of the pressing block (14) is detachably provided with a pressing plate (16), the pressing plate (16) is positioned right above the groove (1), and the bottom end of the pressing plate (16) and the inner wall of the groove (1) are provided with anti-skid threads.

3. The epidural anesthesia needle safe in use according to claim 2, wherein two screws (15) are fixedly mounted at the upper end of the pressing block (14), the two screws (15) are symmetrically arranged at two sides of the groove (1), the top ends of the two screws (15) penetrate through the pressing plate (16), the screws (15) are detachably mounted with the pressing plate (16) through nuts, and the nuts are located above the pressing plate (16).

4. A safety epidural anesthesia needle according to claim 1, wherein the direction of the sliding groove (9) is parallel to the direction of the connecting rod (13).

5. A safety epidural anesthesia needle according to claim 1, characterized in that the front end of the liquid storage cylinder (7) is fixed with a graduated scale (3).

6. A safety epidural anesthesia needle according to claim 1, wherein the needle head (5) is covered with a needle cap (4) at the bottom.