CN115137410A - Digestive tract tumor biopsy sampling device for puncture sampling - Google Patents

Abstract

The invention discloses a digestive tract tumor biopsy sampling device for puncture sampling, comprising a support seat and a puncture needle movably arranged in a storage box body, a support mechanism is arranged on the lower part of the outer surface of the puncture needle, and a bottom of the puncture needle is arranged a sampling mechanism; the support mechanism includes a first extension part and a second extension part, a first support rod is rotatably arranged in the first ear plate, one end of the first support rod is rotatably connected with the first connection seat, and the first support rod is rotatably connected to the first connecting seat. A second support rod is rotatably arranged in the two lugs, one end of the second support rod is rotatably connected with the second connecting seat, the screw rod is rotated to set the middle part of the puncture needle, and one end of the screw rod is movably arranged in the groove, so The two sides of the screw rod are symmetrically arranged with clamping blocks, and one end of the clamping blocks is slidably arranged in the clamping groove, which can expand and support digestive tract tumors, facilitate the extraction of target tumor samples, and at the same time, tumor sample sampling is convenient and fast, shortening Sampling for use to reduce patient discomfort.

Description

A digestive tract tumor biopsy sampling device for puncture sampling

technical field

The invention belongs to the technical field of medical devices, and in particular relates to a gastrointestinal tumor biopsy sampling device for puncture sampling.

Background technique

Tumor biopsy is to take a small amount of tissue from the patient's tumor site (clamping, cutting, excision, or puncture and suction can be used according to different situations) to make pathological sections, and the morphology of tumor cells and tissue structure is observed under a microscope to determine the tumor's shape. The nature, histological type and degree of differentiation, etc., provide a reliable basis for clinical treatment. In the process of gastrointestinal tumor biopsy, a puncture needle is used to penetrate the tumor in the body cavity to extract secretions for testing.

For example, a special sampler for gastrointestinal tumor biopsy tissue disclosed by the invention with the authorization announcement number of CN109998602B includes a catheter, a sampling box, a sampling mechanism and a pair of clamping knives. The sampling box is arranged on the catheter head through two rotating shafts, and the catheter head The cylindrical surface of the part is provided with a sampling port, the head of the sampling box is fitted with the sampling port on the conduit, the two rotating shafts are inserted through the sampling box at both ends of the length direction of the sampling port, and a pair of clamping knives are symmetrically arranged in the sampling box The head of each clipping knife can be rotatably sleeved on the rotating shaft at the corresponding position, and the sampling mechanism is set in the sampling box and the catheter. During the sampling project, it cannot expand and support the target tumor site, which is inconvenient. To extract tumor tissue samples, at the same time, it cannot quickly extract tumor tissue samples at one time, the extraction operation is cumbersome, and the pain of patients is increased. Therefore, we propose a gastrointestinal tumor biopsy sampling device for puncture sampling.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a gastrointestinal tumor biopsy sampling device for puncture sampling, which is convenient for the extraction of target tumor specimens, and at the same time, the sampling of tumor specimens is convenient and fast, shortens the use of sampling, and relieves the discomfort of patients.

In order to achieve the above purpose, the present invention provides the following technical solutions: a gastrointestinal tumor biopsy sampling device for puncture sampling, comprising a support seat, a storage box body arranged on one side surface of the support seat, and a puncture box movably arranged in the storage box body. Needle, one side of the outer surface of the puncture needle is provided with a mounting seat, and the surface of one side of the mounting seat is connected with the piston rod of the electric push rod, and the electric push rod is arranged on the inner surface of the inner side of the storage box, and the outer surface of the puncture needle is The lower part is provided with a support mechanism, and the bottom of the puncture needle is provided with a sampling mechanism;

The support mechanism includes a first extension part and a second extension part, the first extension part is rotatably arranged on one side of the first opening, the second extension part is rotatably arranged on one side of the second opening, and the first extension part is rotatably arranged on one side of the second opening. An opening and a second opening are symmetrically arranged on both sides of the outer surface of the puncture needle, a first lug plate is disposed on one side surface of the first expansion portion, and a first support rod is rotatably disposed in the first lug plate, and the first support One end of the rod is rotatably connected with the first connecting seat, a second lug plate is arranged on one side surface of the second expansion part, a second strut is rotatably arranged in the second lug plate, and one end of the second strut is connected with the second lug plate. The base is rotated and connected, the first connection base and the second connection base are symmetrically arranged on both sides of the thread nut, the thread nut is arranged on the screw rod, the screw rod is rotated to set the middle of the puncture needle, and one end of the screw rod is connected to the movable It is arranged in the groove, the groove is arranged on the side surface of the bearing column, one end of the bearing column is connected with the drive motor located on the top of the support seat, and the clamping blocks are symmetrically arranged on both sides of the screw rod. One end of the block is slidably arranged in the clamping groove, the clamping grooves are symmetrically arranged on both sides of the inner surface of the groove, and an installation box is arranged on the upper side of the support seat outside the drive motor.

Preferably, one end of the first expansion part is rotatably connected to the first opening through a rotating shaft, and the second expansion part is rotatably connected to the second opening through a rotating shaft.

Preferably, one end of the first strut is connected to the first lug plate through a rotating shaft, the other end of the first strut is rotatably connected to the first connecting seat through a rotating shaft, and one end of the second strut is connected to the second lug through a rotating shaft The plate is connected, and the other end of the second strut is rotatably connected with the second connection seat through the rotating shaft.

Preferably, one end of the screw rod is rotatably connected to a carrier plate, and the carrier plate is arranged on the inner and lower side of the puncture needle.

Preferably, the sampling mechanism includes a sample storage part, the sample storage part is arranged at the bottom of the puncture needle, a storage groove is arranged on the lower side of the puncture needle, a cylinder is arranged on the inner surface of the storage slot, and a piston rod of the cylinder is arranged One end is connected to the sample storage part, an annular cutter is arranged on the upper side of the sample storage part, one end of the annular cutter is arranged in an annular installation groove, and the annular installation groove is arranged on the lower side of the puncture needle.

Preferably, the sampling mechanism further comprises a vacuum suction cup, the vacuum suction cups are arranged on the main gas transmission pipe in a ring-shaped and equidistant manner, the main gas transmission pipe is arranged on the lower side of the carrier plate, and a connecting pipe is arranged at one end of the main gas transmission pipe, One end of the connecting pipe is connected with an external micro vacuum pump through a hose.

Preferably, the sample storage part has a hollow inverted cone structure.

A method for using a gastrointestinal tumor biopsy sampling device, the specific steps of which are as follows:

S1, first determine the specific location of the tumor tissue in the patient's digestive tract by ultrasound equipment;

S2, the puncture needle is punctured to the position of the gastrointestinal tumor tissue by the electric push rod, and the screw rod moves in the bearing column at the same time, and the position of the screw rod is adjusted;

S3, the screw is driven to rotate, the nut moves, and simultaneously drives the first strut and the second strut to move, and the first and second struts simultaneously expand the first extension and the second extension to treat the tumor tissue. Expand support;

S4, drive the cylinder to run, the cylinder drives the sample storage part to move, the sample storage part is separated from the puncture needle, and then the tumor component is adsorbed and fixed by the vacuum suction cup;

S5, the cylinder shrinks, the sample storage part drives the annular cutter to quickly reset and move, and the annular cutter cuts off the tumor components and collects them through the sample storage part;

S6, the puncture needle is removed from the patient's body, and the tumor sample in the sample storage part is taken out and sent for inspection.

Compared with the prior art, the beneficial effects of the present invention are:

(1) The present invention can expand and support the patient's digestive tract tumor tissue through the simultaneous deployment of the first expansion part and the second expansion part, and can facilitate the sampling operation of the target tumor sample in the later stage.

(2) The present invention can quickly sample the target tumor at one time, the sampling operation is convenient, the sampling efficiency is high, and the discomfort of the patient is reduced.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the enlarged structure schematic diagram of A place in Fig. 1;

Fig. 3 is the front view sectional structure schematic diagram of the present invention;

Fig. 4 is the enlarged schematic diagram of the B place in Fig. 3;

Fig. 5 is the enlarged structure schematic diagram of C place in Fig. 3;

6 is an enlarged schematic view of the structure at D in FIG. 3;

In the figure: 1. Supporting mechanism; 2. Sampling mechanism; 3. Puncture needle; 4. Storage box; 5. Support seat; 6. Mounting seat; 7. Electric push rod; 21. Air cylinder; 22. Storage slot; 23. 24, annular cutter; 25, sample storage part; 26, vacuum suction cup; 27, main gas pipeline; 28, connecting pipe; 101, bearing column; 102, drive motor; 103, installation box; 104, first an expansion part; 105, the second expansion part; 106, the first connecting seat; 107, the first opening; 108, the first lug plate; 109, the first strut; 110, the thread nut; 112, the second lug plate; 113, the second opening; 114, the second connection seat; 115, the screw rod; 116, the groove;

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-5, the present invention provides a technical solution: a gastrointestinal tumor biopsy sampling device for puncture sampling, comprising a support base 5, a storage box 4 disposed on one side surface of the support base 5, and a movable For the puncture needle 3 arranged in the storage box 4, a mounting seat 6 is provided on one side of the outer surface of the puncture needle 3, and one side surface of the mounting seat 6 is connected with the piston rod of the electric push rod 7, and the electric push rod 7 is arranged in the storage box 4 body. On the side surface, the lower part of the outer surface of the puncture needle 3 is provided with a support mechanism 1, and the bottom of the puncture needle 3 is provided with a sampling mechanism 2;

The support mechanism 1 includes a first extension portion 104 and a second extension portion 105. The first extension portion 104 is rotatably arranged on the inner side of the first opening 107, and the second extension portion 105 is rotatably arranged on the inner side of the second opening 113. The opening 107 and the second opening 113 are symmetrically arranged on both sides of the outer surface of the puncture needle 3, a first lug plate 108 is disposed on one side surface of the first expansion part 104, and a first support rod 109 is rotated in the first lug plate 108. One end of the rod 109 is rotatably connected with the first connecting seat 106, a second lug plate 112 is provided on one side surface of the second expansion part 105, and a second support rod 111 is rotated in the second lug plate 112, and one end of the second support rod 111 is connected with the second The connecting seat 114 is rotatably connected, the first connecting seat 106 and the second connecting seat 114 are symmetrically arranged on both sides of the screw nut 110, the screw nut 110 is arranged on the screw rod 115, the screw rod 115 rotates to set the middle of the puncture needle 3, and one end of the screw rod 115 It is movably arranged in the groove 116, the groove 116 is arranged on one side surface of the bearing column 101, one end of the bearing column 101 is connected with the drive motor 102 located at the top of the support base 5, and the two sides of the screw rod 115 are symmetrically arranged on the surface of the clamping block 118, One end of the snap block 118 is slidably arranged in the snap slot 117 , the snap slot 117 is symmetrically arranged on both sides of the inner surface of the slot 116 , the mounting box 103 is provided on the upper side of the support base 5 outside the drive motor 102 , and the first extension portion 104 One end is rotatably connected with the first opening 107 through the rotating shaft, the second extension 105 is rotatably connected with the second opening 113 through the rotating shaft, one end of the first strut 109 is connected with the first lug plate 108 through the rotating shaft, and the other end of the first strut 109 is connected through the rotating shaft. The rotating shaft is rotatably connected to the first connecting seat 106 , one end of the second strut 111 is connected to the second lug plate 112 through the rotating shaft, and the other end of the second strut 111 is rotatably connected to the second connecting seat 114 through the rotating shaft.

In order to improve the stability of the screw rod 115 when it rotates, in this embodiment, preferably, one end of the screw rod 115 is rotatably connected to the carrier plate 119 , and the carrier plate 119 is disposed on the inner and lower side of the puncture needle 3 .

Please refer to FIG. 3 and FIG. 6 , the sampling mechanism 2 includes a sample storage part 25 , which is arranged at the bottom of the puncture needle 3 ; One end of the piston rod of 21 is connected with the sample storage part 25, an annular cutter 24 is arranged on the upper side of the sample storage part 25, one end of the annular cutter 24 is arranged in the annular installation groove 23, and the annular installation groove 23 is arranged on the lower side of the puncture needle 3. , the sampling mechanism 2 also includes a vacuum suction cup 26, the vacuum suction cup 26 is arranged on the main gas pipe 27 in a ring-shaped equidistant, the main gas pipe 27 is arranged on the lower side of the carrier plate 119, and one end of the main gas pipe 27 is provided with a connecting pipe 28, and the connecting pipe One end of the 28 is connected to an external micro vacuum pump through a hose, which can quickly sample the target tumor at one time. The sampling operation is convenient, the sampling efficiency is high, and the discomfort of the patient is reduced.

In order to facilitate the puncture and at the same time be able to store the tumor sample, in this embodiment, preferably, the sample storage part 25 has a hollow inverted cone structure.

A method for using a gastrointestinal tumor biopsy sampling device, the specific steps of which are as follows:

S1, first determine the specific location of the tumor tissue in the patient's digestive tract by ultrasound equipment;

S2, the puncture needle 3 is punctured to the position of the digestive tract tumor tissue by the electric push rod 7, and the screw rod 115 is moved in the bearing column 101 at the same time, and the position of the screw rod 115 is adjusted;

S3, the screw 115 is driven to rotate, the screw nut 110 moves, and at the same time drives the first strut 109 and the second strut 111 to move, the first strut 109 and the second strut 111 simultaneously move the first extension 104 and the second strut 111 The expansion part 105 is unfolded to expand and support the tumor tissue;

S4, drive the air cylinder 21 to operate, the air cylinder 21 drives the sample storage part 25 to move, the sample storage part 25 is separated from the puncture needle 3, and then the tumor component is adsorbed and fixed by the vacuum suction cup 26;

S5, the cylinder 21 shrinks, the sample storage part 25 drives the annular cutter 24 to quickly reset and move, and the annular cutter 24 cuts off the tumor component and collects it through the sample storage part 25;

S6, the puncture needle 3 is removed from the patient's body, and the tumor sample in the sample storage part 25 is taken out and sent for inspection.

The working principle and use process of the present invention: first, the location of the patient's digestive tract tumor is determined by ultrasonic equipment, and then the electric push rod 7 drives the mounting seat 6 to move, the mounting seat 6 drives the puncture needle 3 to move, and the puncture needle 3 is moving During the process, the screw rod 115 is driven to move in the groove 116, and the screw rod 115 drives the clamping block 118 to move in the clamping groove 117. When the puncture needle 3 is punctured to the tumor position of the patient, the driving motor 102 drives the bearing column 101 to rotate. , the bearing column 101 drives the screw rod 115 to rotate through the clamping block 118, the screw rod 115 rotates to drive the nut 110 to move, the movement of the nut 110 drives the first support rod 109 and the second support rod 111 to rotate and move, the first support rod 109 The movement expands the first expansion part 104 , the second expansion part 111 moves to expand the second expansion part 105 , the first expansion part 104 and the second expansion part 105 expand the target tumor tissue, and then the sample storage part is driven by the cylinder 21 25 moves, the sample storage part 25 is separated from the puncture needle 3, and at the same time, the annular cutter 24 is separated from the puncture needle 3, and the external micro vacuum pump is operated. Under the action of negative pressure, the vacuum suction cup 26 adsorbs the target tumor tissue, and the cylinder 21 quickly drives the sample storage part 25 to reset and move, and the sample storage part 25 drives the annular cutter 24 to reset and move, and the annular cutter 24 cuts the target tumor tissue. , after the sample storage part 25 is attached to the puncture needle 3, the tumor sample is stored in the sample storage part 25, and then the puncture needle 3 is removed from the patient's body, and the tumor sample is taken out for inspection.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. A digestive tract tumor biopsy sampling device for puncture sampling, comprising a support seat (5), a storage box (4) body disposed on one side surface of the support seat (5), and a body movably arranged in the storage box (4) body The puncture needle (3) is characterized in that: a mounting seat (6) is provided on one side of the outer surface of the puncturing needle (3), and the side surface of the mounting seat (6) is connected with the piston rod of the electric push rod (7). , the electric push rod (7) is arranged on the inner side surface of the storage box (4), the lower part of the outer surface of the puncture needle (3) is provided with a support mechanism (1), and the bottom of the puncture needle (3) is provided with a sampling mechanism ( 2); The support mechanism (1) comprises a first expansion part (104) and a second expansion part (105), the first expansion part (104) is rotatably arranged on one side of the first opening (107), the second expansion part (105) The expansion part (105) is rotatably arranged on the inner side of the second opening (113), and the first opening (107) and the second opening (113) are symmetrically arranged on both sides of the outer surface of the puncture needle (3). A first lug plate (108) is arranged on one side surface of the expansion part (104), a first strut (109) is rotatably arranged in the first lug plate (108), and one end of the first strut (109) is connected to the first lug plate (108). The connecting seat (106) is rotatably connected, a second lug plate (112) is arranged on one side surface of the second expansion part (105), and a second support rod (111) is rotatably arranged in the second lug plate (112), so the One end of the second strut (111) is rotatably connected to the second connection seat (114), the first connection seat (106) and the second connection seat (114) are symmetrically arranged on both sides of the nut (110), the first connection seat (106) and the second connection seat (114) The screw nut (110) is arranged on the screw rod (115), the screw rod (115) is rotated to set the middle part of the puncture needle (3), and one end of the screw rod (115) is movably arranged in the groove (116), so The groove (116) is arranged on one side surface of the bearing column (101), one end of the bearing column (101) is connected with the drive motor (102) located at the top of the support seat (5), and the two sides of the lead screw (115) The clamping block (118) is symmetrically arranged on the surface, one end of the clamping block (118) is slidably arranged in the clamping groove (117), and the clamping groove (117) is symmetrically arranged on the inner side surfaces of the groove (116). and an installation box (103) is arranged on the upper side of the support seat (5) outside the drive motor (102). 2. A gastrointestinal tumor biopsy sampling device for puncture sampling according to claim 1, characterized in that: one end of the first expansion part (104) is rotatably connected to the first opening (107) through a rotating shaft, so The second expansion part (105) is rotatably connected with the second opening (113) through a rotating shaft. 3. A gastrointestinal tumor biopsy sampling device for puncture sampling according to claim 1, characterized in that: one end of the first strut (109) is connected to the first ear plate (108) through a rotating shaft, so The other end of the first strut (109) is rotatably connected to the first connecting seat (106) through a rotating shaft, and one end of the second strut (111) is connected to the second lug plate (112) through a rotating shaft. The other end of the rod (111) is rotatably connected to the second connecting seat (114) through a rotating shaft. 4. A gastrointestinal tumor biopsy sampling device for puncture sampling according to claim 1, characterized in that: one end of the screw rod (115) is rotatably connected to a carrier plate (119), and the carrier plate (119) ) is arranged on the inner and lower side of the puncture needle (3). 5. A gastrointestinal tumor biopsy sampling device for puncture sampling according to claim 1, characterized in that: the sampling mechanism (2) comprises a sample storage part (25), and the sample storage part (25) The puncture needle (3) is arranged at the bottom of the puncture needle (3), a receiving groove (22) is arranged on the lower side of the puncturing needle (3), a cylinder (21) is arranged on the inner surface of the receiving groove (22), and the piston of the air cylinder (21) One end of the rod is connected with the sample storage part (25), an annular cutter (24) is arranged on the upper side of the sample storage part (25), and one end of the annular cutter (24) is arranged in the annular installation groove (23), so The annular installation groove (23) is arranged on the lower side of the puncture needle (3). 6. A gastrointestinal tumor biopsy sampling device for puncture sampling according to claim 5, characterized in that: the sampling mechanism (2) further comprises a vacuum suction cup (26), and the vacuum suction cup (26) is in the form of a vacuum suction cup (26). The annular equidistant is arranged on the main gas transmission pipe (27), the main gas transmission pipe (27) is arranged on the lower side of the carrier plate (119), and one end of the main gas transmission pipe (27) is provided with a connecting pipe (28). One end of the connecting pipe (28) is connected with an external micro vacuum pump through a hose. 7. The alimentary tract tumor biopsy sampling device for puncture sampling according to claim 5, characterized in that: the sample storage part (25) has a hollow inverted cone structure. 8. A method for using a gastrointestinal tumor biopsy sampling device according to any one of claims 1-7, the specific steps of which are as follows: S1, first determine the specific location of the tumor tissue in the patient's digestive tract by ultrasound equipment; S2, the puncture needle (3) is punctured to the position of the digestive tract tumor tissue by the electric push rod (7), and the screw rod (115) moves in the bearing column (101) at the same time, and the position of the screw rod (115) is adjusted; S3, drive the screw (115) to rotate, the screw nut (110) moves, and simultaneously drive the first strut (109) and the second strut (111) to move, the first strut (109) and the second strut ( 111) simultaneously expanding the first expansion part (104) and the second expansion part (105) to expand and support the tumor tissue; S4, driving the air cylinder (21) to run, the air cylinder (21) drives the sample storage part (25) to move, the sample storage part (25) is separated from the puncture needle (3), and then the tumor component is adsorbed and fixed by the vacuum suction cup (26); S5, the cylinder (21) shrinks, the sample storage part (25) drives the annular cutter (24) to quickly reset and move, and the annular cutter (24) cuts off the tumor component and collects it through the sample storage part (25); S6, the puncture needle (3) is removed from the patient's body, and the tumor sample in the sample storage part (25) is taken out and sent for inspection.

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