CN214511217U

CN214511217U - Sampling device of oncology nursing

Info

Publication number: CN214511217U
Application number: CN202023136830.7U
Authority: CN
Inventors: 曾晓玲
Original assignee: Western Theater General Hospital of PLA
Current assignee: Western Theater General Hospital of PLA
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-10-29
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a sampling device of oncology nursing, include cylinder, syringe needle, piston rod and connect at the piston rod tip and set up the piston inside the cylinder, the cylinder includes the barrel and sets up insertion portion and the handheld portion at the barrel both ends, the syringe needle includes the link with insertion portion swing joint, pierces the end and links to each other with link and the transition end of penetrating the end install in the insertion portion and keep fixed mounting with the link. The sampling device is in the form of a sampling needle, and can prevent the needle head from being separated from the needle cylinder when the sampling needle is taken out, so that the needle head is retained on tumor tissues.

Description

Sampling device of oncology nursing

Technical Field

The utility model relates to a medical care apparatus field specifically says a sampling device of oncology nursing.

Background

The tumor is an abnormal lesion formed by clonal abnormal hyperplasia caused by that certain cells of local tissues lose normal regulation and control on the growth of the local tissues on the gene level under the action of various carcinogenic factors of an organism. However, tumors are also classified into malignant tumors and benign tumors, and the pathological analysis of the tumors requires sampling and analysis of the interior of the tumors.

But present tumour sampling device adopts cylinder and syringe needle to connect mostly, then pierces and adopts the negative pressure form to inhale the inside sample of cylinder after tumour tissue cutting, because cylinder and syringe needle are taper when connecting and connect mostly, not only can lead to syringe needle and cylinder to be connected easy skew, syringe needle and cylinder easily separate when taking out simultaneously, lead to medical personnel to extract the syringe needle, influence work efficiency, also make mistakes easily simultaneously.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned not enough, the utility model provides a sampling device of oncology nursing herein adopts threaded connection when this cylinder and syringe needle are connected, can prevent syringe needle and cylinder separation when taking out to spout and slide rail have been increased, can drive the syringe needle rotatory when rotating the cylinder, and the blade that the syringe needle of being convenient for stabbed into the tumor tissue cuts the tumor tissue, and then is convenient for take out the sample.

The utility model discloses a realize like this, construct a sampling device of oncology nursing, include cylinder, syringe needle, piston rod and connect at the piston rod tip and set up the piston inside the cylinder, the cylinder includes the barrel and sets up the portion of inserting and the handheld portion at the barrel both ends, the syringe needle includes the link with portion of inserting swing joint, pierces the end and links to each other with link and the transition end of penetrating the end install in the portion of inserting and keep fixed mounting with the link.

Further, the insertion portion includes a base a;

the sliding chute is arranged on the outer side surface of the base body A in parallel with the base body A and penetrates through one end part;

the rectangular groove is arranged on the outer side surface of the base body A above the sliding groove in an equal straight line with the sliding groove.

Furthermore, a fixing piece is rotatably connected on the base body A between the rectangular groove and the sliding groove.

Furthermore, the fixing piece is in a stepped shaft shape, the large end of the fixing piece is arranged in the rectangular groove, and the small end of the fixing piece is arranged in the sliding groove and provided with an external thread.

Further, the connecting end comprises a base body B;

the sliding rail is arranged on the inner side of the base body B and corresponds to the sliding groove;

and the threaded hole is formed in the end part of the sliding rail of the base body B and corresponds to the external thread at the small end of the fixing piece.

Further, the base A and the base B are in a cylinder shape.

Furthermore, a plurality of blades are arranged inside the puncturing end, and the blades are uniformly distributed inside the puncturing end.

Further, the cross-sectional shape of the blade is cross-shaped.

The utility model discloses have following excellent beneficial effect:

the utility model discloses in, the connected mode between through reasonable design cylinder and the syringe needle not only is convenient for the staff and drives the syringe needle rotatory when rotating the cylinder, can guarantee simultaneously that syringe needle and cylinder can not separate when taking out the cylinder.

The blade that sets up through reasonable design syringe needle inside can carry out vertical cutting to tumour tissue, is convenient for take out the sample.

Through the shape accessible rotation syringe needle and the syringe needle of reasonable design blade, it is rotatory to drive the blade, realizes the horizontal cutting to tumour tissue, is convenient for take out the sample.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

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

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is an enlarged partial schematic view of B in FIG. 3;

FIG. 5 is a schematic view of the structure of the present invention in which the cylinder and the needle are separated;

FIG. 6 is an enlarged partial schematic view of C of FIG. 5;

FIG. 7 is a schematic structural view of the syringe of the present invention;

FIG. 8 is a schematic view of the structure of the needle of the present invention;

fig. 9 is a schematic cross-sectional view of a needle-piercing end of the present invention;

in the figure: 1. a needle cylinder; 110. a barrel; 120. an insertion portion; 121. a substrate A; 122. a chute; 123. a rectangular groove; 130. a hand-held portion; 2. a needle head; 210. a connecting end; 211. a base body B; 212. a slide rail; 213. a threaded hole; 220. a piercing end; 221. a cutter; 230. a transition end; 3. a piston rod; 4. a piston; 5. and a fixing member.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 9, and the technical solutions in the embodiments of the present invention will be clearly and completely described, 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.

The utility model discloses an improve and provide a oncology nursing's sampling device here, can implement according to following mode: a sampling device for oncologic care comprises a needle cylinder 1, a needle head 2, a piston rod 3 and a piston 4 connected to the end of the piston rod 3 and arranged inside the needle cylinder 1, wherein the needle cylinder 1 comprises a cylinder body 110, an insertion part 120 and a handheld part 130 which are arranged at two ends of the cylinder body 110, the needle head 2 comprises a connecting end 210 movably connected with the insertion part 120, a puncturing end 220 and a transition end 230 connected with the connecting end 210 and the puncturing end 220, and a fixing part 5 fixed with the connecting end 210 is arranged on the insertion part 120.

In the present embodiment, the insertion portion 120 includes a base a 121;

a chute 122 which is provided on the outer side surface of the base a121 in parallel with the base a121 and penetrates one end portion thereof;

the rectangular groove 123 is formed on the outer side surface of the base body a121 above the slide groove 122 in a straight line with the slide groove 122.

In this embodiment, the fixing member 5 is rotatably connected to the base a121 between the rectangular groove 123 and the sliding groove 122.

In this embodiment, the fixing member 5 is in a stepped shaft shape, and the large end thereof is located in the rectangular groove 123, and the small end thereof is located in the sliding groove 122 and is provided with an external thread on the small end thereof.

In this embodiment, the connection end 210 includes a base B211;

a slide rail 212 opened on the inner side of the base B211 and corresponding to the slide groove 122;

and a screw hole 213 which is opened at the end of the slide rail 212 of the base body B211 and corresponds to the small end external thread of the fixing member 5.

In this embodiment, the base a121 and the base B211 have a cylindrical shape.

In this embodiment, a plurality of blades 221 are disposed inside the piercing end 220, and the blades 221 are uniformly distributed inside the piercing end 220.

In this embodiment, the blade 221 has a cross-sectional shape.

When the needle fixing device is installed, the sliding rail 212 of the connecting end 210 of the needle 2 is aligned with the sliding groove 122 of the inserting part 120 of the needle cylinder 1, the needle 2 is slid to the part contacting with the fixing piece 5, then the fixing piece 5 is rotated by one hand, and the needle 2 is continuously slid by the other hand until the small-end thread of the fixing piece 5 is matched with the threaded hole 213 of the needle 2.

When sampling, the staff injects the penetrating end 220 of syringe needle 2 into the tumour tissue, when suitable degree of depth, the inside cutter 221 of penetrating end 220 accomplishes the vertical cutting to the tumour tissue promptly, then the staff rotates cylinder 1, drives syringe needle 2 and cutter 221 rotation, because the cutter cross-section is the cross, consequently can transversely cut tumour tissue, at last through taking out piston rod 3 and drive the motion of piston 4 and form the negative pressure, the tumour tissue after will cutting inhales inside the barrel 110 can.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a sampling device of oncology nursing, includes cylinder (1), syringe needle (2), piston rod (3) and connects piston (4) of setting in cylinder (1) inside at piston rod (3) tip, its characterized in that: the needle cylinder (1) comprises a cylinder body (110), an inserting part (120) and a handheld part (130), wherein the inserting part (120) and the handheld part (130) are arranged at two ends of the cylinder body (110), the needle head (2) comprises a connecting end (210) movably connected with the inserting part (120), a puncturing end (220) and a transition end (230) connected with the connecting end (210) and the puncturing end (220), and a fixing part (5) which is fixedly kept with the connecting end (210) is installed on the inserting part (120).

2. The oncology care sampling device of claim 1, wherein: the insertion portion (120) includes a base A (121);

a chute (122) which is provided on the outer side surface of the base body A (121) in parallel with the base body A (121) and penetrates one end portion;

the rectangular groove (123) and the sliding groove (122) are arranged on the outer side surface of the base body A (121) above the sliding groove (122) in a straight line.

3. The oncology care sampling device of claim 2, wherein: and the base body A (121) between the rectangular groove (123) and the sliding groove (122) is rotatably connected with the fixing piece (5).

4. A sampling device for oncology care according to claim 3, wherein: the fixing piece (5) is in a stepped shaft shape, the large end of the fixing piece is positioned in the rectangular groove (123), the small end of the fixing piece is positioned in the sliding groove (122), and the small end of the fixing piece is provided with an external thread.

5. The oncology care sampling device of claim 4, wherein: the connecting end (210) comprises a base body B (211);

a slide rail (212) which is provided on the inner side of the base body B (211) and corresponds to the slide groove (122);

and the threaded hole (213) is formed in the end part of the sliding rail (212) of the base body B (211) and corresponds to the small-end external thread of the fixing piece (5).

6. The oncology care sampling device of claim 5, wherein: the base A (121) and the base B (211) are in a cylinder shape.

7. The oncology care sampling device of claim 1, wherein: the utility model discloses a piercing tip, including piercing end (220), piercing end (220) is inside to be provided with a plurality of blades (221), blade (221) even distribution is in piercing end's (220) inside.

8. The oncology care sampling device of claim 7, wherein: the cross section of the blade (221) is in a cross shape.