CN215018632U

CN215018632U - Nerve block puncture catheter needle with adjustable puncture head

Info

Publication number: CN215018632U
Application number: CN202120588334.0U
Authority: CN
Inventors: 杨宇; 易庆军; 李秀泽
Original assignee: Mianyang Central Hospital
Current assignee: Mianyang Central Hospital
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-12-07
Anticipated expiration: 2031-03-23

Abstract

The utility model discloses a nerve retardation puncture catheter needle with adjustable puncture head, including the needle tubing, needle tubing inner wall sliding connection has first sliding sleeve, the fixed grafting of first sliding sleeve inner wall has the storage medicine pipe, the fixed grafting of storage medicine pipe top surface has into the pencil, the needle tubing top link up and has seted up the spout, and it runs through inside the spout to advance the pencil, it has cup jointed the shield to advance pencil top activity, store up pencil left surface fixedly connected with fixed block, the fixed block left surface is rotated through the bearing and is connected with meticulous screw thread post, meticulous screw thread post surface threaded connection has meticulous thread bush. In use, the effect of conveniently adjusting the puncture head is achieved, the effect of conveniently and accurately holding the puncture depth is achieved, the puncture difficulty of an operator is effectively reduced, the whole puncture operation is simpler, the risk of medical accidents during puncture is reduced, the use is more convenient, and the practicability is better.

Description

Nerve block puncture catheter needle with adjustable puncture head

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a nerve block puncture catheter needle with adjustable puncture head.

Background

Puncture, a commonly used medical operating term, is a diagnostic technique in which a puncture needle is inserted into a body cavity to extract secretions for testing, gas or contrast agents are injected into the body cavity to perform contrast examination, or medicines are injected into the body cavity. Local anesthetic is injected around nerve trunk, plexus and node to block its impulse conduction, so that the innervated area produces anesthesia, called nerve block. The nerve block only needs one injection to obtain a larger anesthesia area. Has wide application in modern medical anesthesia.

Most of current nerve block puncture catheter needle simple structure directly inserts the neural position with the syringe needle and pours into the anesthesia into when using, and the degree of depth when puncturing to the operator has higher requirement, and the operation degree of difficulty is great, is difficult to accurately hold the depth of puncture when the puncture, and improper depth of puncture arouses serious complication easily, and current nerve block puncture catheter needle uses very inconveniently, and the practicality is not good.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a nerve blocking puncture catheter needle with adjustable puncture head has solved current nerve blocking puncture catheter needle and has been difficult to accurately hold the depth of puncture when the puncture, the great problem of the operation degree of difficulty.

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

a nerve block puncture catheter needle with an adjustable puncture head comprises a needle tube, wherein a first sliding sleeve is slidably connected to the inner wall of the needle tube, a medicine storage tube is fixedly inserted into the inner wall of the first sliding sleeve, a medicine inlet tube is fixedly inserted into the top surface of the medicine storage tube, a sliding groove is formed in the top of the needle tube in a penetrating mode and penetrates through the sliding groove, a dustproof cover is movably sleeved at the top of the medicine inlet tube, a fixed block is fixedly connected to the left side surface of the medicine storage tube, a fine threaded column is rotatably connected to the left side surface of the fixed block through a bearing, a fine threaded sleeve is in threaded connection with the surface of the fine threaded column, the surface of the fine threaded sleeve is fixedly connected with the inner wall of the needle tube, a handheld knob is fixedly connected to the left side surface of the fine threaded column, an anti-slip strip is fixedly connected to the surface of the handheld knob, a built-in puncture needle is fixedly connected to the right side surface of the medicine storage tube, and a second sliding sleeve is fixedly connected to the left side surface of the built-in a built-in puncture needle, and second sliding sleeve surface and needle tubing inner wall sliding connection, needle tubing right flank fixedly connected with puncture pipe, puncture pipe inner wall fixedly connected with third sliding sleeve, and third sliding sleeve inner wall and built-in pjncture needle surface sliding connection, the fixed spacing collar that has cup jointed in puncture pipe surface, the fixed antiskid cover that has cup jointed in needle tubing surface, the fixed antiskid collar that has cup jointed in antiskid cover surface, the observation window has all been inlayed to the needle tubing front and the back, the observation window surface is equipped with the scale mark.

Preferably, the needle tube is of a cylindrical structure, and the puncture catheter is of a conical structure.

Preferably, the contact surface of the medicine inlet pipe and the medicine storage pipe is in a through state, and the contact surface of the medicine storage pipe and the built-in puncture needle is in a through state.

Preferably, the anti-slip strips, the anti-slip sleeves and the anti-slip rings are all made of silicon rubber materials.

Preferably, the observation window is made of transparent toughened glass.

Preferably, the limiting ring is of a circular plate-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that: when the nerve block puncture catheter needle with the adjustable puncture head is used, an operator holds the anti-slip sleeve by hands and aligns the right end of the puncture catheter with the puncture position of a human body for puncture, the limit ring is contacted with the skin of the human body to complete superficial layer puncture, and then the hand-held knob is rotated, thereby driving the fine threaded column to screw rightwards, driving the fixed block, the medicine storage tube, the first sliding sleeve, the second sliding sleeve and the built-in puncture needle to move rightwards for secondary puncture, observing the puncture depth through the observation window and the scale marks, can complete the puncture process, realizes the effect of conveniently adjusting the puncture head to puncture when in use, achieves the effect of conveniently and accurately grasping the puncture depth, effectively reduces the puncture difficulty of operators, the whole puncture operation is simpler, the risk of medical accidents during puncture is reduced, the puncture needle is more convenient to use, and the practicability is better.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

fig. 2 is a front view of the structure of the present invention.

In the figure: the device comprises a needle tube 1, a first sliding sleeve 2, a drug storage tube 3, a drug inlet tube 4, a sliding chute 5, a dustproof cover 6, a fixed block 7, a fine threaded column 8, a fine threaded sleeve 9, a hand-held knob 10, an anti-slip strip 11, a built-in puncture needle 12, a second sliding sleeve 13, a third sliding sleeve 14, a puncture catheter 15, a limiting ring 16, an anti-slip sleeve 17, an anti-slip ring 18, an observation window 19 and scale marks 20.

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.

Example (b): referring to fig. 1-2, a nerve block puncture catheter needle with an adjustable puncture head comprises a needle tube 1, the needle tube 1 is of a cylindrical structure, the inner wall of the needle tube 1 is slidably connected with a first sliding sleeve 2, the inner wall of the first sliding sleeve 2 is fixedly inserted with a drug storage tube 3, the top surface of the drug storage tube 3 is fixedly inserted with a drug inlet tube 4, the contact surface of the drug inlet tube 4 and the drug storage tube 3 is in a through state, the top of the needle tube 1 is provided with a through chute 5, the drug inlet tube 4 penetrates through the inside of the through chute 5, the top of the drug inlet tube 4 is movably sleeved with a dust cap 6, when the device is not used, dust is difficult to enter the inside of the drug storage tube 3 by arranging the dust cap 6, the left side surface of the drug storage tube 3 is fixedly connected with a fixed block 7, the left side surface of the fixed block 7 is rotatably connected with a fine threaded column 8 through a bearing, the surface of the fine threaded column 8 is in threaded connection with a fine threaded sleeve 9, and the surface of the fine threaded sleeve 9 is fixedly connected with the inner wall of the needle tube 1, the left side surface of the fine threaded column 8 is fixedly connected with a handheld knob 10, the surface of the handheld knob 10 is fixedly connected with an anti-slip strip 11, the anti-slip strip 11 is made of silicon rubber materials, so that the hand slippage when a user rotates the handheld knob 10 is prevented, the right side surface of the medicine storage tube 3 is fixedly connected with a built-in puncture needle 12, the contact surface of the medicine storage tube 3 and the built-in puncture needle 12 is in a through state, the left side surface of the built-in puncture needle 12 is fixedly sleeved with a second sliding sleeve 13, the surface of the second sliding sleeve 13 is in sliding connection with the inner wall of the needle tube 1, the right side surface of the needle tube 1 is fixedly connected with a puncture catheter 15, the puncture catheter 15 is in a conical structure, the inner wall of the puncture catheter 15 is fixedly connected with a third sliding sleeve 14, the inner wall of the third sliding sleeve 14 is in sliding connection with the surface of the built-in puncture needle 12, and the medicine storage tube 3 and the built-in puncture needle 12 are not easy to shake by arranging the first sliding sleeve 2, the second sliding sleeve 13 and the third sliding sleeve 14, the surface of the puncture catheter 15 is fixedly sleeved with a limiting ring 16, the limiting ring 16 is of a circular plate-shaped structure, the limiting ring 16 limits the depth of primary puncture, the surface of the needle tube 1 is fixedly sleeved with an anti-slip sleeve 17, the surface of the anti-slip sleeve 17 is fixedly sleeved with an anti-slip ring 18, the anti-slip sleeve 17 and the anti-slip ring 18 are both made of silicon rubber, so that the hand of a user is not easy to slip when the user punctures, the front surface and the back surface of the needle tube 1 are both embedded with observation windows 19, the observation windows 19 are made of transparent toughened glass, the surface of the observation windows 19 is provided with scale marks 20, the nerve block puncture catheter needle with an adjustable puncture head is used, an operator holds the anti-slip sleeve 17 with the hand of the hand when using the needle, the right end of the puncture catheter 15 is aligned with the puncture position of a human body for puncture, so that the limiting ring 16 is in contact with the skin of the human body to complete superficial puncture, and then the fine threaded column 8 is driven to rotate rightwards by rotating the hand holding the knob 10, thereby drive fixed block 7, store up medicine pipe 3, first sliding sleeve 2, second sliding sleeve 13 and built-in pjncture needle 12 remove right and carry out the secondary puncture, observe the depth of puncture through observation window 19 and scale mark 20, can accomplish the puncture process, in use has realized being convenient for to adjust the effect of puncture to the puncture head, reached and be convenient for carry out the effect of accuracy assurance to the depth of puncture, the operator's degree of difficulty of puncturing has effectively been reduced, make whole puncture operation simpler, the risk of taking place medical malpractice when having reduced the puncture, it is more convenient to use, and the practicality is better.

When in use: an operator holds the anti-skid sleeve 17 by a hand and aims the right end of the puncture guide tube 15 at a human body puncture position for puncturing, so that the limiting ring 16 is in contact with the skin of the human body to complete superficial puncture, then the hand-held knob 10 is rotated to drive the fine threaded column 8 to precess rightwards under the action of the threads of the fine threaded sleeve 9, so as to drive the fixed block 7 and the medicine storage tube 3 to move rightwards, the medicine storage tube 3 drives the first sliding sleeve 2 to slide in the needle tube 1, meanwhile, the medicine storage tube 3 drives the built-in puncture needle 12 to move rightwards to perform secondary puncture, meanwhile, the built-in puncture needle 12 drives the second sliding sleeve 13 to slide in the needle tube 1, the puncture depth is observed through the observation window 19 and the scale mark 20, the dust cover 6 is opened, and medicine is input through the medicine inlet tube 4, so that the puncture process can be completed.

In conclusion, in the nerve block puncture catheter needle with the adjustable puncture head, when the nerve block puncture catheter needle is used, an operator holds the anti-slip sleeve 17 by hand, the right end of the puncture catheter 15 is aligned with a human puncture position for puncture, the limiting ring 16 is in contact with the skin of a human body to complete superficial layer puncture, the fine threaded column 8 is driven to rotate rightwards by rotating the hand knob 10, the fixed block 7, the medicine storage tube 3, the first sliding sleeve 2, the second sliding sleeve 13 and the built-in puncture needle 12 are driven to move rightwards for secondary puncture, the puncture depth is observed through the observation window 19 and the scale lines 20, the puncture process can be completed, the effect of adjusting the puncture head conveniently is realized in use, the effect of accurately grasping the puncture depth is achieved, the puncture difficulty of puncture of the operator is effectively reduced, the whole puncture operation is simpler, and the risk of medical accidents during puncture is reduced, the use is got up more conveniently, and the practicality is better, has solved current nerve block puncture pipe needle and has been difficult to the accurate degree of depth of puncture of holding when the puncture, the great problem of the operation degree of difficulty.

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.

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. The utility model provides a puncture head adjustable nerve block puncture catheter needle, includes needle tubing (1), its characterized in that, needle tubing (1) inner wall sliding connection has first sliding sleeve (2), first sliding sleeve (2) inner wall is fixed to be pegged graft and is had storage drug tube (3), storage drug tube (3) top surface is fixed to be pegged graft and has been advanced drug tube (4), needle tubing (1) top link up and has seted up spout (5), and advances drug tube (4) and run through inside spout (5), it has shield (6) to advance the activity of drug tube (4) top cup joint, storage drug tube (3) left surface fixedly connected with fixed block (7), the left surface of fixed block (7) rotates through the bearing and is connected with meticulous screw thread post (8), meticulous screw thread post (8) surface threaded connection has meticulous thread bush (9), and meticulous thread bush (9) surface and needle tubing (1) inner wall fixed connection, the fine threaded column (8) is fixedly connected with a handheld knob (10) on the left side, the handheld knob (10) is fixedly connected with an anti-slip strip (11) on the surface, the drug storage tube (3) is fixedly connected with a built-in puncture needle (12) on the right side, a second sliding sleeve (13) is fixedly sleeved on the left side of the surface of the built-in puncture needle (12), the surface of the second sliding sleeve (13) is slidably connected with the inner wall of the needle tube (1), the needle tube (1) is fixedly connected with a puncture catheter (15) on the right side, the inner wall of the puncture catheter (15) is fixedly connected with a third sliding sleeve (14), the inner wall of the third sliding sleeve (14) is slidably connected with the surface of the built-in puncture needle (12), a limiting ring (16) is fixedly sleeved on the surface of the puncture catheter (15), a needle tube (1) is fixedly sleeved on the surface of the anti-slip sleeve (17), an anti-slip ring (18) is fixedly sleeved on the surface of the anti-slip sleeve (17), the front and the back of the needle tube (1) are embedded with observation windows (19), and the surfaces of the observation windows (19) are provided with scale marks (20).

2. A puncture head adjustable nerve block puncture catheter needle according to claim 1, wherein the needle tube (1) has a cylindrical structure and the puncture catheter (15) has a conical structure.

3. The nerve block puncture catheter needle with the adjustable puncture head according to claim 1, wherein the contact surface of the drug inlet tube (4) and the drug storage tube (3) is in a through state, and the contact surface of the drug storage tube (3) and the built-in puncture needle (12) is in a through state.

4. A nerve block puncture catheter needle with an adjustable puncture head according to claim 1, wherein the anti-slip strip (11), the anti-slip sleeve (17) and the anti-slip ring (18) are made of silicon rubber.

5. A nerve block puncture needle with an adjustable puncture head according to claim 1, wherein the observation window (19) is made of transparent tempered glass.

6. A puncture head adjustable nerve block puncture catheter needle according to claim 1, wherein the stop collar (16) is a circular plate-like structure.