CN213525390U

CN213525390U - Puncture outfit for positioning before spinal cord operation

Info

Publication number: CN213525390U
Application number: CN202022120245.1U
Authority: CN
Inventors: 阮强津; 杨普香; 刘松
Original assignee: Third People's Hospital Of Yunnan Province
Current assignee: Third People's Hospital Of Yunnan Province
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-06-25
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a puncture outfit for positioning before spinal cord operation, which comprises a needle bar, wherein the outer sheath is sleeved outside the needle bar in a sliding way, the right side surface of the outer sheath is fixedly connected with a fixed block, the inner walls of the upper side and the lower side of the fixed block are respectively provided with a fixed groove, the fixed groove is internally provided with a pressing plate which is rotationally connected on the inner wall of the fixed groove through a rotating shaft, one end of a first spring is fixedly connected with the right side of the pressure plate and the side corresponding to the needle bar, the other end of the first spring is fixedly connected with a fixed baffle plate, one end of a second spring is fixedly connected with the left side of the pressing plate and the side corresponding to the needle rod, the other end of the second spring is fixedly connected with a pressing block, and the pressing plate, the rotating shaft, the first spring, the second spring, the fixed baffle and the pressing block are arranged, the position of the needle rod sliding in the sheath can be pressed and fixed, so that the length of the puncture outfit which is punctured into the body of the patient can be controlled.

Description

Puncture outfit for positioning before spinal cord operation

Technical Field

The utility model relates to the technical field of medical equipment, the specific field is a puncture outfit for spinal cord preoperative location.

Background

With the rapid development of social and economic, people pay more and more attention to their health conditions, especially in the medical field, and some patients need to perform puncture positioning in advance before spinal cord surgery, and puncture is a common medical surgery term, and is a diagnosis and treatment technology that a puncture needle is punctured into a body cavity to extract secretions for testing, gas or contrast agents are injected into the body cavity to perform radiographic examination, or drugs are injected into the body cavity, so that preoperative use of a puncture device for positioning is necessary, but the existing preoperative positioning puncture device cannot control the length of the puncture needle entering the body of the patient more accurately, and needle rods and needles of different specifications cannot be replaced according to the diagnosis requirements of different patients, so that a puncture device for spinal cord preoperative positioning is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a puncture ware that is used for spinal cord preoperative location to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a puncture outfit for positioning before spinal cord operation comprises a needle bar, wherein a needle head is arranged at the left end of the needle bar, a connecting block is in threaded connection with the right end of the needle bar, a push plate is fixedly connected with the right side surface of the connecting block, an outer sheath is sleeved on the outer side of the needle bar in a sliding manner, the inner wall of the outer sheath is attached to the outer side wall of the needle bar, a fixed block is fixedly connected with the right side surface of the outer sheath, the fixed block is sleeved on the outer side wall of the needle bar in a sliding manner, fixed grooves are formed in the inner walls of the upper side and the lower side of the fixed block, a pressing plate is arranged in each fixed groove and is rotatably connected to the inner wall of the corresponding fixed groove through a rotating shaft, one end of a first spring is fixedly connected to the right side of the pressing, the left side of clamp plate and with the one end of the corresponding one side fixedly connected with second spring of needle bar, the other end fixedly connected with briquetting of second spring, the briquetting offsets with the needle bar, the right side of clamp plate and with the needle bar one side of carrying on the back away from mutually be equipped with fixed button, fixed button offsets with the clamp plate, fixed button deviates from clamp plate one end mutually and stretches out the fixed block, fixed button and fixed block sliding connection, fixed button's the left and right sides surface is equipped with spacing fixture block in fixed slot one side.

Preferably, the lower part of the right side face of the fixed block is rotatably connected with a cover plate through a pin shaft, a buckle is arranged on one side of the cover plate corresponding to the fixed block, a clamping groove is formed in the right side face of the fixed block and corresponds to the buckle, and the buckle is connected with the clamping groove in a matched mode.

Preferably, a drug delivery pipe is arranged on the convex surface of the right side of the outer sheath, and an adjusting valve is arranged on the drug delivery pipe.

Preferably, the front surface of the needle rod is provided with a graduated scale.

Preferably, one side of the pressing block corresponding to the needle rod is provided with an anti-slip rubber layer.

Compared with the prior art, the beneficial effects of the utility model are that: a puncture outfit for spinal cord preoperative positioning has the following advantages: the needle rod needle heads with different specifications can be replaced according to the diagnosis requirements of different patients by virtue of the threaded connection of the needle rod and the connecting block, the length of the puncture outfit which is punctured into the body of the patient can be controlled by arranging the pressing plate, the rotating shaft, the first spring, the second spring, the fixed baffle plate and the pressing block, the sliding position of the needle rod in the sheath can be fixed by extrusion, the operation is more flexible and convenient by arranging the fixed button, the cover plate can be rotated by matching the cover plate, the pin shaft, the buckle and the clamping groove, the cover plate can be rotated, the fixed block and the cover plate are matched and clamped together by the buckle clamping groove, the right end of the sheath is blocked to avoid being communicated with the outside, after the needle rod is pulled out, tracer agents such as Meilan and the like can be injected by the drug delivery pipe, the puncture channel can be positioned by pulling out the sheath while injecting, the scale ruler is arranged on the, and reach the puncture degree of depth of ideal, through be equipped with the non-slip rubber layer in briquetting and the corresponding one side of needle bar, increase the friction between briquetting and the needle bar, make its fixed effect better.

Drawings

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

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1-needle rod, 2-needle head, 3-connecting block, 4-push plate, 5-sheath, 6-fixing block, 7-fixing groove, 8-pressing plate, 9-rotating shaft, 10-first spring, 11-fixing baffle, 12-second spring, 13-pressing block, 14-fixing button, 15-limiting clamping block, 16-pin shaft, 17-cover plate, 18-buckle, 19-clamping groove, 20-medicine conveying pipe, 21-regulating valve, 22-scale and 23-anti-slip rubber layer.

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 puncture outfit for positioning before spinal cord operation comprises a needle bar 1, wherein the left end of the needle bar 1 is provided with a needle head 2, the right end of the needle bar 1 is in threaded connection with a connecting block 3, the needle heads 2 of the needle bar 1 with different specifications can be replaced according to the diagnosis requirements of different patients through the threaded connection of the needle bar 1 and the connecting block 3, the right side surface of the connecting block 3 is fixedly connected with a push plate 4, the outer side of the needle bar 1 is slidably sleeved with an outer sheath 5, the inner wall of the outer sheath 5 is attached to the outer side wall of the needle bar 1, the right side surface of the outer sheath 5 is fixedly connected with a fixed block 6, the fixed block 6 is slidably sleeved on the outer side wall of the needle bar 1, the inner walls of the upper side and the lower side of the fixed block 6 are both provided with fixed grooves 7, a pressing plate 8 is arranged in the fixed grooves 7, the pressing plate 8 is rotatably connected, the other end of the first spring 10 is fixedly connected with a fixed baffle 11, the right side surface of the fixed baffle 11 is fixedly connected on the inner wall of the fixed groove 7, one end of a second spring 12 is fixedly connected on the left side of the press plate 8 and the side corresponding to the needle bar 1, the other end of the second spring 12 is fixedly connected with a press block 13, the press block 13 is abutted against the needle bar 1, a fixed button 14 is arranged on the right side of the press plate 8 and the side opposite to the needle bar 1, the fixed button 14 is abutted against the press plate 8, the fixed button 14 extends out of the fixed block 6 opposite to the end of the press plate 8, the fixed button 14 is connected with the fixed block 6 in a sliding manner, the surfaces of the left side and the right side of the fixed button 14 and the side of the fixed groove 7 are provided with limit fixture blocks 15, and the sliding position of the needle bar 1 in the sheath 5 can be extruded and fixed through the arrangement of the press, so as to control the length of the puncture outfit which is punctured into the body of the patient, and the operation is more flexible and convenient by arranging the fixed button 14.

Particularly, the below of the right flank of fixed block 6 is rotated through round pin axle 16 and is connected with apron 17, apron 17 is equipped with buckle 18 with the corresponding one side of fixed block 6, the right flank of fixed block 6 and with buckle 18 corresponding position on be equipped with draw-in groove 19, buckle 18 is connected with the cooperation of draw-in groove 19, through the cooperation between apron 17, round pin axle 16, buckle 18 and the draw-in groove 19, rotatable apron 17 to make fixed block 6 and apron 17 cooperate the joint together through buckle 18 draw-in groove 19, the right-hand member of shutoff sheath 5 avoids switching on with the external world.

Specifically, a medicine conveying pipe 20 is arranged on the right convex surface of the outer sheath 5, an adjusting valve 21 is arranged on the medicine conveying pipe 20, after the needle rod is pulled out, tracer agents such as methylene blue can be injected from the medicine conveying pipe 20, the outer sheath 5 can be pulled out while injection is carried out, the puncture channel can be positioned, the medicine dosage can be adjusted through the adjusting valve 21, and waste is avoided.

Specifically, the front surface of the needle bar 1 is provided with the scale 22, and the penetration depth can be precisely controlled by providing the scale 22, and the ideal penetration depth can be achieved.

Specifically, the anti-slip rubber layer 23 is arranged on one side of the pressing block 13 corresponding to the needle rod 1, and the anti-slip rubber layer 23 is arranged, so that friction between the pressing block 13 and the needle rod 1 is increased, and the fixing effect is better.

The working principle is as follows: the utility model can press the fixing button 14 arranged in the fixing block 6 to make the pressing plate 8 rotate in the fixing groove 7 through the rotating shaft 9, the first spring 10 arranged on the right side of the pressing plate 8 and corresponding to one side of the needle bar 1 extrudes the fixing baffle 11, the second spring 12 arranged on the left side of the pressing plate 8 and corresponding to one side of the needle bar 1 drives the pressing block 13 to be far away from the needle bar 1, the needle bar 1 can slide in the sheath 5, when the needle bar is moved to a proper position, the fixing button 14 is loosened, the first spring 10 performs the reset motion, the pressing plate 8 performs the reverse rotation, the second spring 12 arranged on the left side of the pressing plate 8 and the pressing block 13 extrude the needle bar 1 and fix the needle bar so as to control the length of the puncture device which punctures the body of a patient, the second spring 12 plays a certain buffering role, the adjustment is more convenient, the scale 22 is arranged on the front surface of the needle bar 1, after a patient is punctured, the needle rod 1 can be pulled out, then the cover plate 17 is rotated through the pin shaft 16, the fixing block 6 and the cover plate 17 are matched and clamped together through the clamping groove 19 of the buckle 18, the right end of the outer sheath 5 is blocked, the conduction with the outside is avoided, then the X-ray examination is carried out according to the conventional method, the outer sheath 5 is made of X-ray-impermeable soft plastic, the X-ray can be clearly positioned and examined, when tracer agents such as Meilan and the like are injected, the outer sheath 5 can be pulled out through the medicine conveying pipe 20 while injecting, the puncture channel can be positioned, the needle rod 1 is in threaded connection with the connecting block 3, needle heads 2 of the needle rods 1 of different specifications can be replaced according to the diagnosis requirements of different patients, and the anti-skid rubber layer 23 is arranged on one side, corresponding to the needle rod 1, of the pressing block 13 is increased.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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 puncture outfit for spinal cord preoperative positioning, comprising a needle bar (1), characterized in that: the left end of the needle rod (1) is provided with a needle head (2), the right end of the needle rod (1) is in threaded connection with a connecting block (3), the right side face of the connecting block (3) is fixedly connected with a push plate (4), the outer side of the needle rod (1) is slidably sleeved with an outer sheath (5), the inner wall of the outer sheath (5) is attached to the outer side wall of the needle rod (1), the right side face of the outer sheath (5) is fixedly connected with a fixed block (6), the fixed block (6) is slidably sleeved on the outer side wall of the needle rod (1), the inner walls of the upper side and the lower side of the fixed block (6) are both provided with fixed grooves (7), a pressing plate (8) is arranged in each fixed groove (7), the pressing plate (8) is rotatably connected to the inner wall of the fixed groove (7) through a rotating shaft (9), the right side of the pressing plate (, the other end of the first spring (10) is fixedly connected with a fixed baffle (11), the right side surface of the fixed baffle (11) is fixedly connected on the inner wall of the fixed groove (7), one end of a second spring (12) is fixedly connected with the left side of the pressure plate (8) and the side corresponding to the needle bar (1), the other end of the second spring (12) is fixedly connected with a pressing block (13), the pressing block (13) is propped against the needle rod (1), a fixed button (14) is arranged on the right side of the pressure plate (8) and on the side opposite to the needle bar (1), the fixed button (14) is pressed against the pressure plate (8), one end of the fixed button (14) which is far away from the pressure plate (8) extends out of the fixed block (6), fixed button (14) and fixed block (6) sliding connection, the left and right sides surface of fixed button (14) is equipped with spacing fixture block (15) in fixed slot (7) one side.

2. A puncture instrument for spinal cord preoperative positioning according to claim 1, wherein: the lower part of the right side face of the fixed block (6) is rotatably connected with a cover plate (17) through a pin shaft (16), a buckle (18) is arranged on one side of the cover plate (17) corresponding to the fixed block (6), a clamping groove (19) is arranged on the right side face of the fixed block (6) and corresponds to the buckle (18), and the buckle (18) is connected with the clamping groove (19) in a matched mode.

3. A puncture instrument for spinal cord preoperative positioning according to claim 1, wherein: a drug delivery pipe (20) is arranged on the right convex surface of the outer sheath (5), and an adjusting valve (21) is arranged on the drug delivery pipe (20).

4. A puncture instrument for spinal cord preoperative positioning according to claim 1, wherein: the front surface of the needle rod (1) is provided with a graduated scale (22).

5. A puncture instrument for spinal cord preoperative positioning according to claim 1, wherein: and an anti-slip rubber layer (23) is arranged on one side of the pressing block (13) corresponding to the needle rod (1).