CN213525268U

CN213525268U - Full-automatic biopsy puncture needle

Info

Publication number: CN213525268U
Application number: CN202021946707.9U
Authority: CN
Inventors: 邱辉
Original assignee: Goldbov Photoelectronics Co ltd
Current assignee: Goldbov Photoelectronics Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-06-25
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a full-automatic biopsy pjncture needle, including handle and pjncture needle part, the handle include shell, lower shell, go up inner shell, lower inner shell, locking switch, trigger button, trigger bar, first butt joint bolt, second butt joint bolt and puncture subassembly, one side of going up the shell is equipped with first butt joint bolt and second butt joint bolt, the side of going up the shell is kept away from one side of second butt joint bolt mounted position and is provided with the trigger bar, the trigger button is installed to the tip of going up the shell, one side top of going up the shell and installing the trigger button position is provided with locking switch, go up the inner shell and the mutual lock of inner shell down and install in the space that last shell and lower shell lock enclose, puncture subassembly includes the outer tube and install in the outer tube and with the interior needle that outer tube axle center is unanimous, be equipped with scale mark and ultrasonic identification district on the outer tube. The full-automatic biopsy puncture needle is reasonable in structure, easy to adjust and use, convenient to position and puncture and high in practical value.

Description

Full-automatic biopsy puncture needle

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to full-automatic biopsy pjncture needle.

Background

The full-automatic biopsy puncture needle is used for sampling cone tumor soft tissues of various organs such as kidney, liver, lung, mammary gland, thyroid gland and the like, and has important significance for diagnosis and treatment guidance of various diseases clinically. At present, the traditional open operation mode is generally adopted for sampling soft tissues in the diagnosis and treatment of medical diseases, and the injury of the operation is large and difficult to heal. With the continuous development of medical equipment, the technology is continuously improved, a minimally invasive mode of a biopsy puncture needle can be adopted, the damage to a human body is small, and the recovery after the operation is fast.

However, when the existing full-automatic biopsy puncture needle is used, the problem that the needle tip is easy to touch by mistake or cannot be triggered conveniently exists, and the convenience of operation is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a full-automatic biopsy pjncture needle to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a full-automatic biopsy puncture needle comprises a handle and a puncture needle component, wherein the handle comprises an upper outer shell, a lower outer shell, an upper inner shell, a lower inner shell, a locking switch, a firing button, a firing rod, a first butt bolt, a second butt bolt and a puncture component;

a first butt bolt and a second butt bolt are arranged on one side of the upper outer shell, a firing rod is arranged on one side, far away from the mounting position of the second butt bolt, of the side face of the upper outer shell, a firing button is mounted at the end of the upper outer shell, a locking switch is arranged above one side, where the firing button is mounted, of the upper outer shell, and the upper inner shell and the lower inner shell are mutually buckled and mounted in a space formed by buckling and enclosing the upper outer shell and the lower outer shell;

the puncture assembly comprises an outer tube and an inner needle which is arranged in the outer tube and has the same axis as the outer tube, the outer tube is provided with scale lines and an ultrasonic identification area, the needle point of the inner needle is provided with a concave cutting groove, and two ends of the concave cutting groove are in slope shapes and are subjected to frosting treatment;

a second middle end groove for the first spring to abut against and a second tail end groove for the second spring to abut against are arranged in the lower inner shell, one side of the first spring, which is far away from the second middle end groove, is provided with a group of first fixed seats which are butted with the outer pipe, the first fixed seat comprises a first buckle which extends into the first spring and is provided with a hook at the end part and first bosses which are arranged at two sides, one side of the second spring, which is far away from the second tail end groove, is provided with a group of second fixed seats which are butted with the inner needle, the second fixed seat comprises a second buckle which extends into the second spring and is provided with a hook at the end part and a second boss with two side structures, one side of the first butt bolt is provided with a group of first openings, and the first opening is connected with a first boss at one end of the first fixed seat, one side of the second butt joint bolt is provided with a group of second openings, and the second openings are connected with a second boss at one end of the second fixed seat.

Preferably, the upper inner shell is provided with a first middle end groove matched with the first spring mounting position and a first tail end groove matched with the second spring mounting position, the upper inner shell is attached with a cushion pad, two sides of the upper inner shell are provided with first fixing seats matched with the first fixing seats and the second fixing seats for sliding limiting, and the end part of the upper inner shell is provided with a fixing position matched with the outer tube.

Preferably, a firing groove for installing a firing button is formed in one side, far away from the fixing position, of the upper inner shell.

Preferably, the inner needle is sleeved with a protective sleeve, the protective sleeve is in a hollow cylinder shape, two ends of the protective sleeve are opened, and the outer edge surface of the protective sleeve is provided with a small hole.

The utility model discloses a technological effect and advantage: the full-automatic biopsy puncture needle is operated by a single hand, is convenient to use and has controllability; the design of double-position percussion is adopted, when an operator holds horizontal puncture, a side percussion rod can be selected, and when the operator holds vertical puncture, a rear percussion button can be selected, so that multidirectional convenient operation is realized; the locking switch is arranged on the outer shell of the handle and matched with the trigger button or the trigger rod for use, when the locking switch is in an OFF state, the trigger button or the trigger rod cannot be triggered, the phenomenon of error triggering caused by triggering the trigger button or the trigger rod accidentally due to external force is avoided, the safety performance of the full-automatic biopsy puncture needle is further improved, and misoperation is prevented.

Drawings

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

fig. 2 is a schematic structural view of the open state of the upper and lower housings of the present invention;

FIG. 3 is a schematic structural view of the upper and lower inner casings of the present invention in an open state;

fig. 4 is a schematic structural view of the upper inner shell of the present invention;

fig. 5 is a schematic structural view of the puncture assembly of the present invention.

In the figure: 1 upper outer shell, 101 percussion groove, 2 lower outer shell, 3 upper inner shell, 301 first middle end groove, 302 first tail end groove, 303 buffer pad, 304 slideway, 305 fixed position, 4 lower inner shell, 401 second middle end groove, 402 second tail end groove, 5 percussion bar, 6 percussion button, 7 locking switch, 8 first butt bolt, 9 second butt bolt, 10 first spring, 11 second spring, 12 first fixing seat, 1201 first buckle, 1202 first boss, 13 second fixing seat, 1301 second buckle, 1302 second boss, 14 outer tube, 1401 graduation line, 1402 ultrasonic identification area, 15 inner needle, 1501 concave cutting groove, 16 protective sleeve.

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.

Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.

The utility model provides a full-automatic biopsy puncture needle as shown in figures 1-5, which comprises a handle and a puncture needle component, wherein the handle comprises an upper outer shell 1, a lower outer shell 2, an upper inner shell 3, a lower inner shell 4, a locking switch 7, a firing button 6, a firing rod 5, a first butt bolt 8, a second butt bolt 9 and a puncture component;

a first butt bolt 8 and a second butt bolt 9 are arranged on one side of the upper outer shell 1, a firing rod 5 is arranged on one side, far away from the mounting position of the second butt bolt 9, of the side surface of the upper outer shell 1, a firing button 6 is mounted at the end of the upper outer shell 1, a locking switch 7 is arranged above one side, where the firing button 6 is mounted, of the upper outer shell 1, and the upper inner shell 3 and the lower inner shell 4 are mutually buckled and mounted in a space formed by buckling and surrounding the upper outer shell 1 and the lower outer shell 2;

the puncture assembly comprises an outer tube 14 and an inner needle 15 which is arranged in the outer tube 14 and has the same axis as the outer tube 14, the outer tube 14 is provided with scale lines 1401 and an ultrasonic identification area 1402, the needle point of the inner needle 15 is provided with a concave cutting groove 1501, two ends of the concave cutting groove 1501 are in a slope shape and are subjected to frosting treatment, the front end of the outer tube 14 is provided with the ultrasonic identification area 1402, and the scale lines 1401 are uniformly distributed on the surface of the outer tube, so that an operator can accurately observe the needle insertion depth, and the puncture accuracy is greatly improved;

a second middle end groove 401 for abutting against a first spring 10 and a second tail end groove 402 for abutting against a second spring 11 are arranged in the lower inner shell 4, one side of the first spring 10 far away from the second middle end groove 401 is provided with a group of first fixed seats 12 for abutting against an outer tube 14, the first fixed seats 12 comprise first buckles 1201 extending into the first spring 10 and provided with hooks at the end part and first bosses 1202 with structures at two sides, one side of the second spring 11 far away from the second tail end groove 402 is provided with a group of second fixed seats 13 for abutting against an inner needle 15, the second fixed seats 13 comprise second buckles 1301 extending into the second spring 11 and provided with hooks at the end part and second bosses 1302 with structures at two sides, one side of the first butt joint bolt 8 is provided with a group of first openings, the first openings are connected with the first bosses 1202 at one end of the first fixed seats 12, one side of the second butt joint bolt 9 is provided with a group of second openings, and the second opening is connected with the second boss 1302 at one end of the second fixing base 13.

Specifically, a first middle end groove 301 matched with the installation position of the first spring 10 and a first tail end groove 302 matched with the installation position of the second spring 11 are formed in the upper inner shell 3, a cushion pad 303 is attached to the upper inner shell 3, a slide rail 304 matched with the first fixing seat 12 and the second fixing seat 13 for sliding limiting is formed in two sides of the upper inner shell 3, and a fixing position 305 matched with the outer tube 14 is installed at the end portion of the upper inner shell 3.

Specifically, a firing groove 101 for installing a firing button 6 is formed on one side of the upper outer shell 1 away from the position where the fixing position 305 is configured on the upper inner shell 3.

Specifically, the outer sleeve of the inner needle 15 is provided with a protective sleeve 16, the protective sleeve 16 is in a hollow cylinder shape, two ends of the protective sleeve are opened, and the outer edge surface of the protective sleeve 16 is provided with small holes.

The working principle of the full-automatic biopsy puncture needle is that when the puncture needle is used, the protective sleeve 16 needs to be taken down and taken down, the full-automatic biopsy puncture needle is inserted into a human body, the operation is performed under visualization in cooperation with ultrasonic identification or X-ray guidance, the handle is held by one hand, the first butt bolt 8 is pressed by the thumb, the first butt bolt 8 drives the first fixed seat 12 to move until the first buckle 1201 at the tail of the first fixed seat 12 is clamped in the first middle-end groove 301 of the upper inner shell 3, the first spring 10 is in a compressed state at the moment, the second butt bolt 9 is pressed, the second butt bolt 9 drives the second fixed seat 13 to move until the second buckle 1301 at the tail of the second fixed seat 13 is clamped in the first tail-end groove 302 of the upper inner shell 3, the second spring 11 is in a compressed state at the moment, the button of the locking switch 7 is opened to an NO state at the moment, the firing rod 5 is pressed or the firing button 6 is pushed (an operator, make the second buckle 1301 of percussion groove 101 extrusion second fixing base 13 afterbody, make it break away from the first tail end recess 302 of last inner shell 3, second spring 11 is released, drive second fixing base 13 and remove to the needle point direction, second fixing base 13 moves first buckle 1201 that can extrude first fixing base 12 afterbody after the limit, make it break away from first middle-end recess 301 of last inner shell 3, first spring 10 is released, promote first fixing base 12 and remove to the needle point direction, the cutting tissue stays in interior needle cutting groove 1201, this full-automatic biopsy pjncture needle, and is rational in infrastructure, easily adjust the use and conveniently fix a position the puncture, higher practical value has.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A full-automatic biopsy puncture needle comprises a handle and a puncture needle component, wherein the handle comprises an upper outer shell (1), a lower outer shell (2), an upper inner shell (3), a lower inner shell (4), a locking switch (7), a firing button (6), a firing rod (5), a first butt bolt (8), a second butt bolt (9) and a puncture assembly;

the method is characterized in that: a first butt bolt (8) and a second butt bolt (9) are arranged on one side of the upper outer shell (1), a firing rod (5) is arranged on one side, away from the mounting position of the second butt bolt (9), of the side face of the upper outer shell (1), a firing button (6) is mounted at the end of the upper outer shell (1), a locking switch (7) is arranged above one side, where the firing button (6) is mounted, of the upper outer shell (1), and the upper inner shell (3) and the lower inner shell (4) are mutually buckled and mounted in a space defined by buckling of the upper outer shell (1) and the lower outer shell (2);

the puncture assembly comprises an outer tube (14) and an inner needle (15) which is arranged in the outer tube (14) and is consistent with the axis of the outer tube (14), wherein the outer tube (14) is provided with a scale mark (1401) and an ultrasonic identification area (1402), the needle point of the inner needle (15) is provided with a concave cutting groove (1501), two ends of the concave cutting groove (1501) are in a slope shape and are subjected to frosting treatment;

a second middle end groove (401) for abutting a first spring (10) and a second tail end groove (402) for abutting a second spring (11) are formed in the lower inner shell (4), a first fixed seat (12) for abutting an outer tube (14) is installed on one side, far away from the second middle end groove (401), of the first spring (10), the first fixed seat (12) comprises a first buckle (1201) extending into the first spring (10) and provided with a hook at the end part and first bosses (1202) of two side structures, a second fixed seat (13) for abutting an inner needle (15) is installed on one side, far away from the second tail end groove (402), of the second spring (11), the second fixed seat (13) comprises a second buckle (1301) extending into the second spring (11) and provided with a hook at the end part and second bosses (1302) of two side structures, a group of first opening is formed on one side of the first abutting bolt (8), the first opening is connected with a first boss (1202) at one end of the first fixed seat (12), one side of the second butt-joint bolt (9) is provided with a group of second openings, and the second openings are connected with a second boss (1302) at one end of the second fixed seat (13).

2. A fully automatic biopsy needle according to claim 1, wherein: go up and offer first middle-end recess (301) and the first tail end recess (302) of adaptation second spring (11) mounted position of the first spring (10) mounted position of adaptation on inner shell (3), go up inner shell (3) and paste and have blotter (303), and go up the both sides of inner shell (3) and offer the first fixing base of adaptation (12) and second fixing base (13) and slide spacing slide (304), go up the tip of inner shell (3) and install fixed position (305) of cooperation outer tube (14).

3. A fully automatic biopsy needle according to claim 1, wherein: one side of the upper outer shell (1) far away from the position of the upper inner shell (3) where the fixing position (305) is constructed is provided with a firing groove (101) for mounting a firing button (6).

4. A fully automatic biopsy needle according to claim 1, wherein: the outer sleeve of the inner needle (15) is provided with a protective sleeve (16), the protective sleeve (16) is in a hollow cylinder shape, two ends of the protective sleeve are opened, and the outer edge surface of the protective sleeve (16) is provided with a small hole.