CN213940814U

CN213940814U - Body surface tumor biopsy sampling device

Info

Publication number: CN213940814U
Application number: CN202022674318.1U
Authority: CN
Inventors: 訾华浦
Original assignee: Rizhao Hospital of Traditional Chinese Medicine TCM
Current assignee: Rizhao Hospital of Traditional Chinese Medicine TCM
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-08-13
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a body surface tumor biopsy sampling device, a body surface tumor biopsy sampling device. Including the cylinder, the inside push rod that is provided with of cylinder, push rod bottom fixed mounting has the piston, and piston and cylinder swing joint, the opposite side fixed mounting of piston has the connecting rod, cylinder inner wall both sides are provided with the stopper, the connecting rod has cup jointed first spring, and the connecting rod extends to the cylinder outside, connecting rod bottom end fixedly connected with needle file, and under the needle file terminal surface fixed mounting have the syringe needle, outer wall one side fixed mounting of cylinder has trigger mechanism, and cylinder outer wall opposite side fixedly connected with centre gripping frame, centre gripping frame swing joint has the collection mechanism, cylinder outer wall bottom fixed mounting has stable seat. The utility model has simple operation, and can be operated by one hand; the wound of the patient is small, and the pain is relieved; the sample has good tightness and does not contact air too much; the parts can be replaced at any time, so that cross infection is prevented.

Description

Body surface tumor biopsy sampling device

Technical Field

The utility model belongs to the technical field of the biopsy sample, concretely relates to body surface tumour biopsy sampling device.

Background

Although modern medicine has been developed for decades, tumors still represent an important problem that plagues modern medicine, how to overcome tumors is always a key research topic in the medical field, and pathological analysis of tumors requires sampling and analysis of the interior of tumors.

At present, a patient can take a tumor biopsy sample by a scalpel, but the wound is large, so that the patient is painful; the tumor tissue is not easy to take out and separate after entering the needle cavity; the tools are mostly disposable when samples are taken, and the operation is complicated; tumor tissue is easily exposed in air, and samples are affected, so a body surface tumor biopsy sampling device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a body surface tumour biopsy sampling device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a body surface tumor biopsy sampling device. Including the cylinder, the inside push rod that is provided with of cylinder, push rod bottom fixed mounting has the piston, and piston and cylinder swing joint, the opposite side fixed mounting of piston has the connecting rod, cylinder inner wall both sides are provided with the stopper, the connecting rod has cup jointed first spring, and the connecting rod extends to the cylinder outside, connecting rod bottom end fixedly connected with needle file, and under the needle file terminal surface fixed mounting have the syringe needle, outer wall one side fixed mounting of cylinder has trigger mechanism, and cylinder outer wall opposite side fixedly connected with centre gripping frame, centre gripping frame swing joint has the collection mechanism, cylinder outer wall bottom fixed mounting has stable seat.

Preferably, trigger mechanism includes the protective shroud of fixed mounting at the cylinder outer wall, the inboard fixedly connected with second spring of protective shroud, and the second spring other end is connected with the trigger, the trigger passes through the bearing with the cylinder and constitutes to rotate to be connected, and trigger and piston swing joint part are olecranon form.

Preferably, the needle head is hollow, the tail end of the needle head is provided with a hook-shaped groove, and the top end of the needle head is connected with the hose.

Preferably, the collecting mechanism comprises a collecting bottle movably connected to the clamping frame, the collecting bottle is provided with a bottle plug, the bottle plug is provided with two through holes which are respectively connected with an exhaust tube and a hose, the exhaust tube is connected to the inside of the needle cylinder in a penetrating manner, and the hose is connected with the needle head.

Preferably, the bottom end of the needle seat is provided with threads, and the needle seat and the connecting rod form threaded connection.

Preferably, the bottom of the stabilizing seat is circular, and the stabilizing seat and the outer wall of the needle cylinder form nested connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model improves the stability of the sampling device by contacting the surface of the patient through the circular ring at the bottom of the stabilizing seat, and samples can be taken by pulling the trigger through the trigger mechanism, thereby preventing hand shaking errors, having simple operation and being operated by one hand;

2. the utility model has the advantages that the trigger mechanism is triggered quickly, so that the first spring drives the connecting rod quickly, thereby driving the needle head to prick the body surface of the patient quickly, the wound of the patient is small, and the pain is relieved;

3. the utility model extracts air through the needle cylinder, so that the collecting bottle generates negative pressure, extracts the body surface tumor tissue of a patient to enter the collecting bottle through the hose connecting needle head, the collection is rapid, the collected sample has good sealing performance and is not in excessive contact with air;

4. the utility model discloses, parts such as collecting flask, hose, stable seat, syringe needle and tumour tissue contact can be changed at any time, prevent cross infection.

Drawings

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

FIG. 2 is a diagram illustrating the operation of the present invention;

fig. 3 is a schematic structural view of the triggering mechanism of the present invention;

FIG. 4 is a schematic structural view of the collecting mechanism of the present invention;

fig. 5 is a schematic view of the structure of the needle base of the present invention.

In the figure: 1. a needle cylinder; 2. a push rod; 3. a piston; 4. a connecting rod; 5. a limiting block; 6. a first spring; 7. a needle seat; 8. a needle head; 9. a trigger mechanism; 901. a retainer; 902. a second spring; 903. a trigger; 10. a clamping frame; 11. a collection mechanism; 1101. a collection bottle; 1102. an air exhaust pipe; 1103. a hose; 12. and (4) stabilizing seats.

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. 1-5, the present invention provides a technical solution: the utility model provides a body surface tumour biopsy sampling device, including

cylinder

1, 1 inside push rod 2 that is provided with of cylinder, 2 bottom fixed mounting of push rod have piston 3, and

piston

3 and 1 swing joint of cylinder, the opposite side fixed mounting of piston 3 has connecting rod 4, 1 inner wall both sides of cylinder are provided with stopper 5, connecting rod 4 has cup jointed first spring 6, and connecting rod 4 extends to 1 outside of cylinder, 4 bottom fixedly connected with needle beds 7 of connecting rod, and terminal surface fixed mounting has syringe needle 8 under the needle bed 7, outer wall one side fixed mounting of cylinder 1 has

trigger mechanism

9, and 1 outer wall opposite side fixedly connected with centre gripping frame 10 of cylinder, centre gripping frame 10 swing joint has

collection mechanism

11, 1 outer wall bottom fixed mounting of cylinder has stable seat 12.

In this embodiment, preferably, the trigger mechanism 9 includes a retainer 901 fixedly mounted on the outer wall of the syringe 1, a second spring 902 is fixedly connected to the inner side of the retainer 901, the other end of the second spring 902 is connected to a trigger 903, the trigger 903 and the syringe 1 form a rotary connection through a bearing, and the movable connection part of the trigger 903 and the piston 3 is in the shape of an olecranon. When piston 3 placed trigger 903 upper end, the tensioning of first spring 6, the trigger 903 of pulling compresses second spring 902, and trigger 903 rotates round the bearing, and piston 3 downstream, first spring 6 drive connecting rod 4 fall down fast, and patient's body surface is pricked into also fast to syringe needle 8, and stopper 5 prevents that syringe needle 8 from pricking too deeply.

In this embodiment, preferably, the needle 8 is hollow, and the end of the needle 8 is provided with a hook-shaped slot, and the top end of the needle 8 is connected to the hose 1103. The needle 8 penetrates into the body surface tumor tissue, the hook-shaped groove cuts off part of the tissue, and the hose 1103 extracts the tumor tissue from the inside of the needle 8.

In this embodiment, preferably, the collecting mechanism 11 includes a collecting bottle 1101 movably connected to the holding frame 10, the collecting bottle 1101 is provided with a bottle stopper, and the bottle stopper is provided with two through holes and respectively connected with an air exhaust pipe 1102 and a hose 1103, the air exhaust pipe 1102 is connected to the inside of the syringe 1, and the hose 1103 is connected to the needle 8. The needle 8 pricks body surface tumor tissue, lifts up push rod 2, and the inside vacuum that forms of syringe 1, syringe 1 pass through exhaust tube 1102 extraction collecting bottle 1101 inside air, forms the negative pressure to draw the inside tumor tissue of needle 8 and get into collecting bottle 1101 through hose 1103.

In this embodiment, preferably, the bottom end of the needle seat 7 is provided with a thread, and the needle seat 7 and the connecting rod 4 form a threaded connection. The needle seat 7 can be replaced in time after the tumor tissue is collected, so that cross infection is prevented.

In this embodiment, preferably, the bottom of the stabilizing base 12 is circular, and the stabilizing base 12 is connected with the outer wall of the syringe 1 in a nested manner. The circular ring at the bottom of the stabilizing seat 12 contacts the body surface of a patient, so that the stability of the sampling device is improved, and the stabilizing seat 12 can be taken down and replaced after sampling is completed.

The utility model discloses a theory of operation and use flow: when the device is used, in an initial state, the piston 3 is placed at the upper end of the trigger 903, the stabilizing seat 12 is placed on the surface of tumor tissue on the body surface of a patient, the first spring 6 is tensioned, the trigger 903 is triggered to compress the second spring 902, the trigger 903 rotates around a bearing, the piston 3 moves downwards, the first spring 6 drives the connecting rod 4 to fall down quickly, the needle 8 also penetrates into the body surface of the patient quickly, the limiting block 5 prevents the needle 8 from penetrating too deeply, a part of tissue is cut off in a hook-shaped groove, the push rod 2 is lifted upwards, vacuum is formed inside the needle cylinder 1, the air inside the collecting bottle 1101 is extracted by the needle cylinder 1 through the exhaust tube 1102 to form negative pressure, so that the tumor tissue inside the needle 8 is extracted through the hose 1103 to enter the collecting bottle 1101, the push rod 2 is continuously lifted upwards, the piston 3 is reset, the collecting bottle 1101 is sealed, and meanwhile, parts, such as the hose 1103, the stabilizing seat 12, the needle seat 7 and the needle 8, which are contacted with the tumor tissue, are replaced, preventing cross infection.

The utility model discloses install the back, at first inspect the utility model discloses an installation is fixed and safety protection, has just so accomplished right the utility model discloses an use, the utility model discloses simple structure, convenience safe in utilization.

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 body surface tumour biopsy sampling device, includes cylinder (1), its characterized in that: a push rod (2) is arranged in the needle cylinder (1), a piston (3) is fixedly arranged at the bottom end of the push rod (2), the piston (3) is movably connected with the needle cylinder (1), the other side of the piston (3) is fixedly provided with a connecting rod (4), the two sides of the inner wall of the needle cylinder (1) are provided with limit blocks (5), the connecting rod (4) is sleeved with a first spring (6), the connecting rod (4) extends to the outside of the syringe (1), the bottom end of the connecting rod (4) is fixedly connected with a needle seat (7), a needle head (8) is fixedly arranged on the lower end surface of the needle seat (7), a trigger mechanism (9) is fixedly arranged on one side of the outer wall of the needle cylinder (1), and the other side of the outer wall of the needle cylinder (1) is fixedly connected with a clamping frame (10), the clamping frame (10) is movably connected with a collecting mechanism (11), and the bottom end of the outer wall of the needle cylinder (1) is fixedly provided with a stabilizing seat (12).

2. A body surface tumor biopsy sampling device according to claim 1, wherein: trigger mechanism (9) are including guard ring (901) of fixed mounting in cylinder (1) outer wall, the inboard fixedly connected with second spring (902) of guard ring (901), and second spring (902) other end is connected with trigger (903), trigger (903) constitute rotation with cylinder (1) through the bearing and are connected, and trigger (903) and piston (3) swing joint part are olecranon form.

3. A body surface tumor biopsy sampling device according to claim 1, wherein: the inside cavity of syringe needle (8), and syringe needle (8) end has seted up the hook-shaped groove, syringe needle (8) top is connected with hose (1103).

4. A body surface tumor biopsy sampling device according to claim 1, wherein: the collecting mechanism (11) comprises a collecting bottle (1101) movably connected to the clamping frame (10), the bottle stopper is installed on the collecting bottle (1101), two through holes are formed in the bottle stopper and are respectively connected with an exhaust tube (1102) and a hose (1103), the exhaust tube (1102) is connected to the inside of the needle cylinder (1) in a penetrating mode, and the hose (1103) is connected with the needle head (8).

5. A body surface tumor biopsy sampling device according to claim 1, wherein: the bottom end of the needle seat (7) is provided with threads, and the needle seat (7) is in threaded connection with the connecting rod (4).

6. A body surface tumor biopsy sampling device according to claim 1, wherein: the bottom of the stabilizing seat (12) is circular, and the stabilizing seat (12) is connected with the outer wall of the needle cylinder (1) in a nested manner.