阅读说明：本技术 一种肿瘤内科用穿刺取样器 (Puncture sampler for medical oncology ) 是由 韩慧 于 2019-10-21 设计创作，主要内容包括：本发明公开了一种肿瘤内科用穿刺取样器,属于医疗技术领域,其包括筒体,所述筒体的左侧面设置有针座,所述针座内设置有穿刺取样针,所述筒体的上表面设置有连接管,所述连接管通过连接件与正压袋相连通,所述筒体的右侧面设置有轴承。该肿瘤内科用穿刺取样器,通过正压袋、气阀、筒体、活塞板、穿刺取样针、螺纹筒、螺纹柱和旋转杆之间的相互配合当取样结束后,且活塞板移动至连接管右侧后,此时控制打开气阀,此时正压袋会排出高压气体将筒体中的组织排出,本装置可以防止误操作时出现活塞板大幅度移动的情况,可以在一定程度上保证取样过程的顺利进行,同时组织由穿刺取样针中取出的过程较为方便。(The invention discloses a puncture sampler for medical oncology, which belongs to the technical field of medical treatment and comprises a cylinder body, wherein a needle seat is arranged on the left side surface of the cylinder body, a puncture sampling needle is arranged in the needle seat, a connecting pipe is arranged on the upper surface of the cylinder body, the connecting pipe is communicated with a positive pressure bag through a connecting piece, and a bearing is arranged on the right side surface of the cylinder body. This puncture sampler for medical oncology, through the malleation bag, the pneumatic valve, the barrel, the piston board, puncture sample needle, a screw thread section of thick bamboo, mutually support between screw thread post and the rotary rod after the sample, and the piston board removes to the connecting pipe right side back, the pneumatic valve is opened in control this moment, the malleation bag can discharge the tissue discharge of high-pressure gas in with the barrel this moment, the condition that the piston board removed by a wide margin appears when this device can prevent the maloperation, can guarantee going on smoothly of sampling process to a certain extent, it is comparatively convenient that the process of taking out in the sample needle is organized by puncturing simultaneously.)

1. The utility model provides a puncture sampler for medical oncology, includes barrel (1), its characterized in that: the left surface of barrel (1) is provided with needle file (2), be provided with puncture needle (3) in needle file (2), the upper surface of barrel (1) is provided with connecting pipe (4), connecting pipe (4) are linked together through connecting piece (5) and malleation bag (6), the right flank of barrel (1) is provided with bearing (8), be provided with threaded section of thick bamboo (9) in bearing (8), be provided with screw thread post (10) in screw thread section of thick bamboo (9), the left end of screw thread post (10) and the right flank fixed connection of piston plate (13), piston plate (13) are located barrel (1) inside.

2. The puncture sampler for medical oncology according to claim 1, wherein: an air valve (7) is arranged on the surface of the positive pressure bag (6), and a transparent scale plate (19) is arranged on the front surface of the cylinder body (1).

3. The puncture sampler for medical oncology according to claim 1, wherein: the upper surface and the lower surface of the threaded column (10) are both provided with sliding grooves (15), sliding blocks (16) are arranged in the sliding grooves (15), and the sliding blocks (16) are fixedly connected with the inner wall of the barrel body (1) through fixing rods (17).

4. The puncture sampler for medical oncology according to claim 1, wherein: the right-hand member of screw thread post (10) and the left surface fixed connection of limiting plate (12), the surface of barrel (1) is provided with antiskid cover (18).

5. The puncture sampler for medical oncology according to claim 1, wherein: the surface of a threaded barrel (9) is provided with four rotating rods (11), the number of the rotating rods (11) is four, and the rotating rods (11) are located on the right side of the barrel body (1).

6. The puncture sampler for medical oncology according to claim 1, wherein: the outer surface of the piston plate (13) is provided with a rubber ring (14), and the rubber ring (14) is lapped with the inner wall of the cylinder body (1).

Technical Field

The invention belongs to the technical field of medical treatment, and particularly relates to a puncture sampler for medical oncology.

Background

Currently, in clinical tumor examination, a puncture is used to sample cell and tissue specimens, and then pathological examination is performed, which is an important means for diagnosing tumor properties.

But current puncture sampling device is many that medical personnel directly promote the piston board and remove, probably because uneven leading to drawing sample in-process piston board appearance removal by a relatively large margin hard, probably bring the painful sense of unnecessary for the patient, influence going on smoothly of sample extraction process simultaneously, puncture sampling needle in the sample simultaneously after the sample sampling, be not convenient for take out the sample, consequently need a puncture sampler for oncology.

Disclosure of Invention

Technical problem to be solved

In order to overcome the defects of the prior art, the invention provides a puncture sampler for medical oncology, which solves the problems that a piston plate can move greatly in the manual operation process of the conventional puncture sampling device, so that pain is brought to a patient or the sampling process of a sample is influenced, and the internal sample is inconvenient to take out after the puncture sampling is finished.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a puncture sampler for medical oncology, includes the barrel, the left surface of barrel is provided with the needle file, be provided with puncture sampling needle in the needle file, the upper surface of barrel is provided with the connecting pipe, the connecting pipe is linked together through connecting piece and malleation bag, the right flank of barrel is provided with the bearing, be provided with a screw thread section of thick bamboo in the bearing, be provided with the screw thread post in the screw thread section of thick bamboo, the left end of screw thread post and the right flank fixed connection of piston plate, the piston plate is located inside the barrel.

As a further scheme of the invention: an air valve is arranged on the surface of the positive pressure bag, and a transparent scale plate is arranged on the front surface of the cylinder body.

As a further scheme of the invention: the upper surface and the lower surface of screw thread post have all been seted up the spout, be provided with the slider in the spout, the slider passes through dead lever and barrel inner wall fixed connection.

As a further scheme of the invention: the right-hand member of screw thread post and the left surface fixed connection of limiting plate, the surface of barrel is provided with the antiskid cover.

As a further scheme of the invention: the surface of a screw thread section of thick bamboo is provided with the rotary rod, the quantity of rotary rod is four, and the rotary rod is located the barrel right side.

As a further scheme of the invention: the outer surface of the piston plate is provided with a rubber ring, and the rubber ring is in lap joint with the inner wall of the cylinder body.

(III) advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

1. this puncture sampler for medical oncology, through the malleation bag, the pneumatic valve, the barrel, the piston board, puncture sampling needle, a screw thread section of thick bamboo, mutually support between screw thread post and the rotary rod, rotate through rotary rod control screw thread section of thick bamboo between the medical personnel, screw thread post and piston board remove to control puncture sampling needle and organize the sample this moment, after the sample, and the piston board removes behind the connecting pipe right side, the pneumatic valve is opened in control this moment, malleation bag can discharge the tissue discharge in the high-pressure gas with the barrel this moment, the condition that the piston board removed by a wide margin appears when this device can prevent the maloperation, can guarantee going on smoothly of sampling process to a certain extent, the process that the tissue was taken out in by puncture sampling needle simultaneously is comparatively convenient.

2. This puncture sampler for medical oncology through setting up slider and spout, can guarantee can not rotate in step at the in-process screw thread post that rotates a screw thread section of thick bamboo, guarantees to control removing about the screw thread post through rotating a screw thread section of thick bamboo, and the removal of the smooth control piston board of being convenient for makes things convenient for going on smoothly of follow-up tissue sampling process.

3. This puncture sampler for medical oncology through setting up the rubber circle, can guarantee the zonulae occludens between piston board and the barrel, guarantees that the closure of barrel is better, guarantees that piston board moves the process right and can produce the extraction that sufficient negative pressure realized the tissue.

Drawings

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

FIG. 2 is a front view of the barrel of the present invention;

FIG. 3 is an enlarged view of part A of the present invention;

in the figure: 1 cylinder, 2 needle seats, 3 puncture sampling needles, 4 connecting pipes, 5 connecting pieces, 6 positive pressure bags, 7 air valves, 8 bearings, 9 threaded cylinders, 10 threaded columns, 11 rotating rods, 12 limiting plates, 13 piston plates, 14 rubber rings, 15 sliding grooves, 16 sliding blocks, 17 fixing rods, 18 anti-skidding sleeves and 19 transparent scale plates.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-3, the present invention provides a technical solution: a puncture sampler for medical oncology comprises a barrel body 1, wherein a needle seat 2 is arranged on the left side surface of the barrel body 1, a puncture sampling needle 3 is arranged in the needle seat 2, a connecting pipe 4 is arranged on the upper surface of the barrel body 1, a positive pressure bag 6 is convenient to take down and replace by arranging a connecting piece 5, the connecting pipe 4 is communicated with the positive pressure bag 6 by the connecting piece 5, by arranging the positive pressure bag 6, the tissues in the puncture sampling needle 3 can be discharged by high-pressure gas in the positive pressure bag 6, the situation that the tissues are deteriorated due to direct extrusion of a piston plate 13 can be avoided, the smooth and simple taking-out process of the tissues from the puncture sampling needle 3 can be ensured, an air valve 7 is arranged on the surface of the positive pressure bag 6, a transparent scale plate 19 is arranged on the front surface of the barrel body 1, the opening process of the positive pressure bag 6 is convenient by arranging the air valve 7, and the piston plate, through the arrangement of the transparent scale plate 19, medical personnel can conveniently determine the amount of extracted tissues through the position of the piston plate 13, the right side surface of the cylinder body 1 is provided with the bearing 8, the bearing 8 is internally provided with the threaded cylinder 9, the outer surface of the threaded cylinder 9 is provided with the rotating rods 11, the number of the rotating rods 11 is four, the rotating rods 11 are positioned on the right side of the cylinder body 1, the threaded cylinder 9 is internally provided with the threaded cylinder 10, the upper surface and the lower surface of the threaded cylinder 10 are respectively provided with the sliding groove 15, the sliding block 16 is arranged in the sliding groove 15, the sliding block 16 is fixedly connected with the inner wall of the cylinder body 1 through the fixing rod 17, through the arrangement of the sliding block 16 and the sliding groove 15, the threaded cylinder 10 can be ensured not to synchronously rotate in the process of rotating the threaded cylinder 9, the left and right movement of the, the left end of the threaded column 10 is fixedly connected with the right side surface of the piston plate 13, the right end of the threaded column 10 is fixedly connected with the left side surface of the limit plate 12, the outer surface of the cylinder body 1 is provided with an anti-skid sleeve 18, by arranging the threaded column 10 and the threaded cylinder 9, the threaded cylinder 9 is controlled to rotate, the left and right movement of the threaded column 10 can be realized, meanwhile, the threaded column 10 and the piston plate 13 can not move left and right greatly, the pain of the patient caused by rapid tissue extraction can be prevented, can ensure the stable operation of the tissue extraction process to a certain extent, the piston plate 13 is positioned in the cylinder body 1, the outer surface of the piston plate 13 is provided with the rubber ring 14, the rubber ring 14 is lapped with the inner wall of the cylinder body 1, by arranging the rubber ring 14, can guarantee the close connection between piston plate 13 and the barrel 1, guarantee that the closure of barrel 1 is better, guarantee that piston plate 13 moves the process to the right and can produce sufficient negative pressure and realize the extraction of tissue.

The working principle of the invention is as follows:

s1, when the device needs to be used, medical staff can directly insert the puncture sampling needle 3 into a corresponding position, then can directly rotate the rotating rod 11, and simultaneously the threaded cylinder 9 drives the threaded column 10 to move rightwards, and at the moment, the piston plate 13 moves rightwards;

s2, generating corresponding negative pressure in the cylinder body 1 at the moment, extracting the tissue at the corresponding position, and directly taking out the device from the body of the patient at the moment after sampling is finished;

s3, and the piston plate 13 is located at the right side of the connecting tube 4, at this time, the air valve 7 is directly opened, and the high-pressure air flowing out of the positive pressure bag 6 can exhaust the tissue in the puncture sampling needle 3.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.