CN212281436U

CN212281436U - Safe multifunctional percutaneous puncture abdominal cavity diagnosis and treatment device

Info

Publication number: CN212281436U
Application number: CN202020275495.XU
Authority: CN
Inventors: 袁玲
Original assignee: Nanjing Drum Tower Hospital
Current assignee: Nanjing Drum Tower Hospital
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2021-01-05
Anticipated expiration: 2030-03-09

Abstract

A safe multifunctional percutaneous puncture abdominal cavity diagnosis and treatment device comprises an externally-provided plastic hard sleeve, wherein the rear end of the externally-provided plastic hard sleeve is provided with an internal thread connector, the safe multifunctional percutaneous puncture abdominal cavity diagnosis and treatment device also comprises a puncture needle and a biopsy probe which are matched with the externally-provided plastic hard sleeve for use, the rear end of the puncture needle is provided with a puncture needle external thread connector which is matched with the internal thread connector for use, the rear end of the biopsy probe is provided with a biopsy probe external thread connector which is matched with the internal thread connector for use, a hollow groove is formed in the biopsy probe, and a screw rod is arranged in the hollow groove; randomly selecting a posterior lumbar approach or an anterior abdominal approach according to the tumor body position for puncture; the damage of adjacent visceral organs such as spinal cord, kidney, intestinal canal and the like in the process of abdominal tumor diagnosis and treatment is avoided; selecting a biopsy needle or a biopsy forceps for sampling according to the size of the tumor body; the biopsy medicine injection function is integrated; can also avoid the occurrence of the needle track planting of the tumor.

Description

Safe multifunctional percutaneous puncture abdominal cavity diagnosis and treatment device

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to multi-functional percutaneous puncture abdominal cavity of safe type diagnoses device.

Background

The tissue biopsy has important value for tumor diagnosis and treatment, and the following problems and defects exist in clinical application for the deep abdominal cavity tumor internal (retroperitoneal) biopsy and the conventional biopsy needle for drug injection: 1. because the tissue is deep, the needle can only be inserted from the back waist, and because of the anatomical structure on the puncture path, the risk of damaging the spinal cord and the kidney exists; 2. if the tumor body is small and wraps around the abdominal aorta and the inferior vena cava, the risk of damaging large blood vessels is caused, so that biopsy cannot be carried out, and only the tumor tissue can be obtained by an open surgery or a laparoscopic surgery; 3. if the tumor body is in front of a large blood vessel, the tumor body can only enter from the front abdomen by using a very thin needle, or enter by using a thin needle when the path is seen under an ultrasonic gastroscope, and the tumor body passes through and damages the intestinal canal because the abdominal cavity is filled with the intestinal canal, so that the consequence is serious; 4. very thin needles cannot be used for local treatment by injection; 5. three thousandths of the needle track planting risk exists.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a device is diagnose to multi-functional percutaneous puncture abdominal cavity of safe type to mention the actual problem in solving the background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a safety multifunctional percutaneous puncture abdominal cavity diagnosis and treatment device comprises an externally-provided plastic hard sleeve, wherein an internal thread connector is arranged at the rear end of the externally-provided plastic hard sleeve, a puncture needle and a biopsy probe which are matched with the externally-provided plastic hard sleeve are also included, a puncture needle external thread connector matched with the internal thread connector is arranged at the rear end of the puncture needle, a hand-holding head is arranged at the rear end of the biopsy probe, a hollow groove is formed in the biopsy probe, a screw rod is arranged in the hollow groove, a thread seat is arranged between the screw rod and the biopsy probe, a rotary seat is arranged at the rear end of the screw rod, the top end of the screw rod is rotationally connected with a propelling block through a bearing, a limiting block is arranged between the propelling block and the biopsy probe, a claw piece is arranged below the propelling block, and a thrust rod is respectively arranged between, the thrust rod is respectively connected with the claw sheet and the thrust block in a rotating way.

Further, the centre of screw rod is equipped with the biopsy pinhole, the propulsion piece be equipped with the vertical through-hole that the cooperation of biopsy pinhole used, just the hole diameter of vertical through-hole is greater than the hole diameter of biopsy pinhole.

Furthermore, scales are arranged at the bottom of the screw rod.

Further, the propulsion block is a regular quadrangular prism.

Further, the number of the claw sheets is at least two.

Compared with the prior art, the utility model has the following beneficial effects

1. The abdominal cavity tumor diagnosis and treatment by the percutaneous minimally invasive puncture technology are realized; 2. randomly selecting a posterior lumbar approach or an anterior abdominal approach according to the tumor body position for puncture; 3. the damage of adjacent visceral organs such as spinal cord, kidney, intestinal canal and the like in the process of abdominal tumor diagnosis and treatment is avoided; 4. selecting a biopsy needle or a biopsy forceps for sampling according to the size of the tumor body; 5. the biopsy medicine injection function is integrated; 6. avoid the occurrence of the needle track planting of the tumor.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the plastic-covered hard sleeve of the present invention;

FIG. 2 is a schematic view showing the use of the external plastic hard cannula of the present invention in cooperation with a puncture needle;

FIG. 3 is a schematic view of the use of the plastic-covered hard cannula of the present invention in combination with a biopsy probe;

FIG. 4 is an enlarged view taken at A in FIG. 3;

in the drawings, the components represented by the respective reference numerals are listed below:

the biopsy instrument comprises a hard sleeve 1 with plastic outside, an internal thread connector 2, a puncture needle 3, a puncture needle external thread connector 4, a biopsy probe 5, a hand-held head 6, a screw 7, a rotary seat 8, a thread seat 9, a bearing 10, a propelling block 11, a limiting block 12, a thrust rod 13, a claw piece 14 and a biopsy pinhole 15.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a safe multifunctional percutaneous puncture abdominal cavity diagnosis and treatment device comprises an externally-provided plastic hard sleeve 1, wherein the rear end of the externally-provided plastic hard sleeve 1 is provided with an internal thread connector 2, the safe multifunctional percutaneous puncture abdominal cavity diagnosis and treatment device further comprises a puncture needle 3 and a biopsy probe 5 which are matched with the externally-provided plastic hard sleeve 1 for use, the rear end of the puncture needle 3 is provided with a puncture needle external thread connector 4 matched with the internal thread connector 2 for use, the rear end of the biopsy probe 5 is provided with a hand-held head 6, the biopsy probe 5 is internally provided with a hollow groove, a screw 7 is arranged in the hollow groove, a thread seat 9 is arranged between the screw 7 and the biopsy probe 5, the rear end of the screw 7 is provided with a rotary seat 8, the top end of the screw 7 is rotatably connected with a propelling block 11 through a bearing 10, a limiting block 12 is arranged between the propelling block 11 and a claw piece 14 is arranged below the propelling block 11, thrust rods 13 are; a biopsy needle hole 15 is arranged in the middle of the screw 7, the propelling block 11 is provided with a vertical through hole matched with the biopsy needle hole 15, and the hole diameter of the vertical through hole is larger than that of the biopsy needle hole 15; the bottom of the screw 7 is provided with scales; the propulsion block 11 is a regular quadrangular prism; the number of the claw pieces 14 is at least two.

When the utility model is used specifically, the external plastic hard sleeve 1 is combined with the puncture needle 3 to puncture the abdominal cavity, the puncture needle 3 is withdrawn after the puncture is successful, the external plastic hard sleeve 1 is reserved, the biopsy probe 5 can be fed into the external plastic hard sleeve 1, the external plastic hard sleeve 1 is stopped under the abdominal wall when in use, the length is about 10-15cm, the depth of the biopsy probe 5 entering the abdominal cavity can be determined according to the tissue target, the length is 20-30cm, the screw 7 can move up and down relative to the screw seat 9 by rotating the rotary seat 8, the push block 11 can be limited by the limit block 12 to rotate, so that the push block 11 can move up and down to realize the opening and closing of the claw 14, the probe material can be identified by CT and ultrasonic, when the biopsy probe 5 reaches the target tissue in the deep part of the peritoneum under the guidance of the image device, the tumor body is captured by opening and closing the tail end operation claw piece, the opening and closing degree can be controlled by rotating the rotary seat 8, the tumor body tissue is connected and fixed or the tumor body tissue is clamped, the tumor body tissue is taken into the biopsy probe 5, the biopsy probe 5 is withdrawn, the biopsy tissue is withdrawn, the appearance is a spherical surface when the claw piece 14 is naturally closed, and the damage to the tissue when the abdominal cavity is free is avoided. When the claw piece 14 is forcibly closed during gear shifting, the cutting function is realized due to the design of the cutting edge of the claw piece. If fine needle biopsy is needed, a fine biopsy needle is placed into the biopsy needle hole 15 for puncture biopsy, when the claw sheet 14 is opened, a closed channel is formed between the closed channel and the inside of the biopsy probe 5 while the claw sheet 14 is connected and fixed with tumor tissue, the fine biopsy needle enters from the biopsy needle hole 15 in the screw 7 and the vertical through hole of the pushing block 11 for biopsy, when the fine biopsy needle is used for tissue biopsy, tumor implantation in a tunnel is avoided under the protection of the biopsy probe 5, the fine biopsy needle exits, the biopsy tissue exits afterwards, if the tissue puncture once is insufficient, repeated puncture can be performed, the tissue is taken by a power cutting type biopsy method of matching of an inner needle and an outer sleeve adopted by the fine biopsy needle, and the fine biopsy needle can also be used for puncture and medicine injection in the tumor; the external plastic hard sleeve 1 can also be reserved to play the roles of medicine injection and ascites drainage.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a multi-functional percutaneous puncture abdominal cavity of safe type diagnoses device which characterized in that: including taking plastics hard cannula (1) outward, the rear end of taking plastics hard cannula (1) outward is equipped with female connector (2), still include with take plastics hard cannula (1) cooperation puncture needle (3) and biopsy probe (5) outward, the rear end of puncture needle (3) be equipped with puncture needle external screw thread connector (4) that female connector (2) cooperation was used, biopsy probe (5) rear end is equipped with holds head (6), be equipped with hollow groove in biopsy probe (5), be equipped with screw rod (7) in the hollow groove, screw rod (7) with be equipped with screw thread seat (9) between biopsy probe (5), the rear end of screw rod (7) is equipped with roating seat (8), the top of screw rod (7) is passed through bearing (10) and is connected with advancing block (11) rotation, advance block (11) with be equipped with stopper (12) between biopsy probe (5), the lower part of the propelling block (11) is provided with a claw sheet (14), thrust rods (13) are respectively arranged between the claw sheet (14) and the propelling block (11), and the thrust rods (13) are respectively in rotating connection with the claw sheet (14) and the propelling block (11).

2. The safe multifunctional percutaneous puncture abdominal cavity diagnosis and treatment device according to claim 1, wherein: the centre of screw rod (7) is equipped with biopsy pinhole (15), impel piece (11) be equipped with biopsy pinhole (15) cooperation vertical through-hole of using, just the hole diameter of vertical through-hole is greater than the hole diameter of biopsy pinhole (15).

3. The safe multifunctional percutaneous puncture abdominal cavity diagnosis and treatment device according to claim 1, wherein: the bottom of the screw rod (7) is provided with scales.

4. The safe multifunctional percutaneous puncture abdominal cavity diagnosis and treatment device according to claim 1, wherein: the propulsion block (11) is a regular quadrangular prism.

5. The safe multifunctional percutaneous puncture abdominal cavity diagnosis and treatment device according to claim 1, wherein: the number of the claw sheets (14) is at least two.