CN215458466U - Novel visual continuous peripheral nerve blocking needle sleeve - Google Patents

Abstract

The utility model relates to the technical field of medical instruments, and particularly discloses a novel visual continuous peripheral nerve block needle kit which mainly comprises an indwelling outer tube component and a developing inner needle; the indwelling outer tube assembly is provided with an infusion extension tube, the infusion extension tube is connected with a pressure indicator, and a red warning area is arranged on a pressure indicator display disc; the needle tubing is the hollow tube in the needle that develops, and needle point blade form is nib shape or inclined plane shape in the needle that develops, and the needle front end is equipped with ultrasonic development portion in the development, ultrasonic development portion is by triangular pyramid rhombus or double helix groove parallel arrangement. When the utility model is used together with ultrasonic equipment, the visualization of continuous peripheral nerve block is realized, the anesthesia effect is improved, and simultaneously, doctors can conveniently observe the pressure value of the anesthesia area in real time to judge whether to inject medicine or not, thereby reducing the pain of patients.

Description

Novel visual continuous peripheral nerve blocking needle sleeve

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a novel visual continuous peripheral nerve block needle kit.

Background

The continuous Peripheral Nerve Block (PNB) technology can realize the functions of prolonging anesthesia, postoperative analgesia and sympathetic nerve block, and can reduce the risk of high-concentration local anesthetic poisoning. The traditional Chinese medicine composition is mainly applied to anesthesia and pain treatment in clinic and is also one of the main methods of multimode analgesia at present.

The existing nerve block puncture methods mainly comprise two types, including a blind probe puncture method and a nerve stimulation needle method. The traditional blind probing puncture method has no objective index, can only carry out positioning by repeatedly searching for abnormal sensations, is easy to cause damage to nearby nerves and blood vessels, and has a certain risk of mistaken puncture due to the inaccurate positioning of a nerve stimulating needle in the nerve stimulating method; meanwhile, in the prior art, the scale marks are arranged on the tube body of the indwelling outer tube by an ink printing technology, but the indwelling outer tube needs to be placed in a human body for a long time, so that the risk of ink dissolution is increased, and the wound infection of a patient is caused; in addition, continuous administration in the continuous peripheral nerve block operation cannot judge the anesthetic administration bolus pressure in real time, and is easy to damage an anesthetic region.

Based on this, effectively reduce peripheral nerve retardation in-process patient's damage degree, promote anesthesia effect, realize the visual observation of anesthesia regional pressure simultaneously and be the technical problem that needs to solve at present.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a novel visual continuous peripheral nerve block needle kit, which comprises an indwelling outer tube component and a developing inner needle; the indwelling outer tube assembly is provided with an infusion extension tube, the infusion extension tube is connected with a pressure indicator, and a red warning area is arranged on a pressure indicator display disc; the needle tubing is the hollow tube in the needle that develops, and needle point blade form is nib shape or inclined plane shape in the needle that develops, and the needle front end is equipped with ultrasonic development portion in the development, ultrasonic development portion is by triangular pyramid rhombus or double helix groove parallel arrangement.

Furthermore, the developing inner needle is sleeved into the indwelling outer tube component, and the protruding length of the tip of the developing inner needle is 1-2.5 mm.

Furthermore, keep somewhere the outer tube subassembly, still include with keep somewhere outer tube body fixed connection keep somewhere the outer tube socket, keep somewhere outer tube socket bottom and be connected with the leak protection stopper, its lateral part has connected gradually pressure indicator, extension coupling through infusing the extension pipe, the extension coupling is furnished with the extension coupling cap.

Furthermore, the front end of the tube body of the retention outer tube is in a reducing design, and the inner diameter of the tube body is close to the outer diameter of the needle tube of the inner needle of the developing needle; the indwelling outer tube body is a hollow transparent flexible hose made of medical polymer materials, and the materials include but are not limited to TPU, PVC, PA and the like.

Furthermore, the outer surface of the indwelling outer tube seat is a frosted surface; the leakproof plug is made of a silica gel material; the extension pipe joint cap is a heparin cap.

Furthermore, the developing inner needle comprises a developing inner needle seat and a developing inner needle tube; the developing needle seat is fixedly connected with the developing needle inner needle tube, and the length of the developing needle inner needle tube is 50-150 mm.

Furthermore, the developing inner needle seat and the extension tube joint are designed to be 6% inner cone joints, meet GB T1962.21-2015 and GB T1962.2-2001, and have no liquid leakage when being used with a needle tube and an injector for injecting liquid medicine.

Furthermore, the needle tube in the developing needle is also provided with scale marks and an ultrasonic developing part; the distance between adjacent scales of the scale marks is 1cm, and the scale marks at every 5cm are thickened; the ultrasonic developing part is 10mm in length and is formed by arranging triangular pyramid rhombus or double-spiral grooves in parallel.

Compared with the prior continuous peripheral nerve block needle, the utility model has the following beneficial technical effects:

1. the ultrasonic developing part of the developing inner needle is provided with the triangular pyramid diamond-shaped indentation, and when the developing inner needle is combined with ultrasonic equipment, the continuous peripheral nerve block is visualized, so that the anesthesia effect is improved, and the damage to a patient is reduced;

2. the indwelling outer tube is provided with a pressure indicator, so that the pressure is visualized, and a doctor can observe the pressure value of an anesthesia area in real time conveniently;

3. the developing inner needle seat is provided with a 6% inner conical joint which can be communicated with a needle tube and used with an injector for injecting liquid medicine, so that the operation of a doctor is facilitated;

4. the needle tube in the developing needle is provided with scale marks, so that the ink printing technology is prevented from being used on the indwelling outer tube, and the infection of wounds of patients caused by the falling of ink is prevented.

Drawings

The principles of the present invention may be better understood in light of the following drawings, in which:

FIG. 1 is a schematic diagram of the overall structure of the present invention.

FIG. 2 is a schematic structural diagram of an indwelling external tube assembly according to the present invention.

FIG. 3 is a schematic structural view of the developing inner needle of the present invention.

FIG. 4 is an enlarged view of the ultrasonic developing part according to the present invention.

In the drawings: 1. an indwelling outer tube assembly; 2. developing the inner needle; 11. the outer tube body is kept; 12. a indwelling outer tube seat; 13. a leakage-proof plug; 14. an infusion extension tube; 15. a pressure indicator; 16. an extension pipe joint; 17. an extension pipe joint cap; 21. developing the inner needle base; 22. a developing needle inner needle tube; 23. scale lines; 24. an ultrasonic developing part.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The novel visual continuous peripheral nerve block needle kit shown in fig. 1 comprises an indwelling outer tube component and a developing inner needle, wherein the developing inner needle is sleeved in the indwelling outer tube component, and the extension length of the tip of the developing inner needle is 1-2.5 mm;

as shown in fig. 2, the front end of the indwelling outer tube body is of a reducing design, and the inner diameter of the tube body is close to the outer diameter of the developing inner needle body, so that the puncture is facilitated; the indwelling outer tube body is a hollow flexible hose made of medical high polymer materials, the materials of the flexible hose include but are not limited to TPU, PVC, PA and the like, and the adverse phenomena of inflammation, allergy, blood coagulation and the like of a patient can be prevented; the indwelling outer tube body is fixedly connected with the indwelling outer tube seat, and the outer surface of the indwelling outer tube seat is a frosted surface, so that the indwelling outer tube seat is convenient for an operator to use and can prevent slipping and falling off the hand; the bottom of the indwelling outer tube seat is connected with a leakage-proof plug to prevent the leakage problem after the developing inner needle is withdrawn; an infusion extension pipe is arranged on the side part of the indwelling outer pipe base, a pressure indicator and an extension pipe joint are sequentially connected through the infusion extension pipe, a red warning area is arranged on a display disc of the pressure indicator and used for early warning the pressure of an anesthesia part, and when the pressure indication reaches the red warning area, the infusion of liquid medicine is prompted; the extension pipe joint adopts a 6% inner cone joint design, meets the GB T1962.21-2015 and GB T1962.2-2001 standards, can be used with a needle tube and an injector, and ensures more stable infusion and higher safety; the extension pipe joint is provided with an extension pipe joint cap which is a heparin cap, so that the infection risk degree of a patient can be reduced.

As shown in fig. 3, the developing inner needle base is connected with a hollow developing inner needle tube, and the developing inner needle base is provided with a 6% inner conical joint, which is convenient for the doctor to perform the transfusion operation; the length of the needle tube of the inner needle of the developing needle is 50-150mm, and the needle point cutting edge is in a pen point shape or an inclined plane shape, so that the puncture is facilitated; the developing needle inner needle tube is provided with a plurality of scale marks and an ultrasonic developing part, the distance between every two adjacent scale marks is 1cm, the scale mark at each 5cm position is thickened, and the scale marks are arranged on the developing needle inner needle and used for assisting in observing the puncture depth so as to effectively grasp the puncture depth; meanwhile, the risk of ink falling and infection caused by long-time placement of the indwelling outer tube in a human body can be avoided. As shown in fig. 4, the length of the ultrasonic developing part is 10mm, the surface of the ultrasonic developing part is in a triangular pyramid rhombus shape or double-spiral groove parallel arrangement, when the blocking needle sleeve component is used, the ultrasonic developing part confirms the tip position of the blocking needle sleeve component through radiographic imaging, and the triangular pyramid rhombus shape or double-spiral groove parallel arrangement mode is favorable for developing.

The working process is as follows: when continuous peripheral nerve blocking is needed, the iodophor in a required blocking area is disinfected firstly, the continuous peripheral nerve blocking needle is combined with ultrasonic equipment, the blocking area is slowly punctured, the developing part of the developing inner needle is positioned, and anesthetic is injected through the developing inner needle base after the puncturing is in place. After infusion, an operator presses the tube seat of the indwelling outer tube with one hand, holds the flank of the needle seat of the developing inner needle with the other hand to withdraw the developing inner needle outwards, and the tube body of the indwelling outer tube is fixed by a dressing paste after needle withdrawal is completed. And subsequently, if analgesia is needed, observing the current pressure value through the pressure indicator, and if the pointer of the pressure value indicates that the pressure value is in a red area, immediately injecting anesthetic through the extension pipe joint.

The above embodiments are only opened to illustrate the technical solution of the present invention, but the scope of the present invention is not limited thereto; those skilled in the art can implement the following technical solutions: the technical solutions described in the foregoing embodiments may be modified or some technical features may be equivalently replaced in the specification, and the modifications or the replacements should be regarded as the protection scope of the present invention.

Finally, it should also be 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, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims (7)

1. The utility model provides a novel continuous peripheral nerve of visual type hinders needle external member, includes keeps somewhere outer tube subassembly (1), development inner needle (2), its characterized in that: the developing inner needle (2) is sleeved into the indwelling outer tube component (1);

the indwelling outer tube component (1) comprises an indwelling outer tube body (11), an indwelling outer tube base (12), a leakproof plug (13), an infusion extension tube (14), a pressure indicator (15), an extension tube joint (16) and an extension tube joint cap (17); the indwelling outer tube body (11) is connected with an indwelling outer tube seat (12), the bottom of the indwelling outer tube seat (12) is connected with a leakage-proof plug (13), the side part of the indwelling outer tube seat (12) is also connected with a pressure indicator (15) and an extension tube joint (16) through an infusion extension tube (14), and a red warning area is arranged on a display disc of the pressure indicator (15); the extension pipe joint (16) is provided with an extension pipe joint cap (17);

needle (2) needle tube (22) in needle seat (21), the developing needle in including the developing, needle seat (21) and developing needle tube (22) fixed connection in developing, needle tube (22) still is equipped with scale mark (23), supersound development portion (24) in the developing needle.

2. The novel visual continuous peripheral nerve block needle set of claim 1, wherein: the extension length of the developing inner needle tip is 1-2.5mm after the developing inner needle (2) is sleeved into the indwelling outer tube component (1).

3. The novel visual continuous peripheral nerve block needle set of claim 2, wherein: the front end of the indwelling outer tube body (11) is in a reducing design, and the inner diameter of the indwelling outer tube body is close to the outer diameter of the inner needle tube (22) of the developing needle; the indwelling outer tube body (11) is a hollow transparent flexible hose made of medical high polymer materials.

4. The novel visual continuous peripheral nerve block needle set of claim 2, wherein: the outer surface of the indwelling outer tube seat (12) is a frosted surface; the extension tube connector (16) is designed with a 6% internal cone connector.

5. The novel visual continuous peripheral nerve block needle set of claim 3, wherein: the developing inner needle seat (21) adopts a 6% inner conical joint design.

6. The novel visual continuous peripheral nerve block needle set of claim 3, wherein: the needle tube (22) of the inner needle of the developing needle is a hollow tube, the length of the hollow tube is 50-150mm, and the cutting edge of the needle point is in a pen point shape or an inclined plane shape.

7. The novel visual continuous peripheral nerve block needle set of claim 3, wherein: the distance between adjacent scales of the scale marks (23) is 1cm, and the scale marks at every 5cm are thickened; the ultrasonic developing part (24) is 10mm long and is in a triangular pyramid rhombus shape or in a double-helix groove parallel arrangement.

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