Positive sample preparation device and preparation method for sealing test

Abstract

The present invention relates to a positive sample preparation device and preparation method for a sealing test, belonging to the technical field of positive sample preparation. The device comprises a cylinder, an implantation needle is installed at the bottom of the cylinder; a tube bundler and a glue storage cabin are sequentially arranged inside the cylinder from bottom to top; UV glue is stored in the glue storage cabin; a foldable glue supply arm is provided on one side of the cylinder, the foldable glue supply arm is hinged to the cylinder, the foldable glue supply arm is a hollow structure, and is connected to the bottom of the glue storage cabin through a glue supply pipe; a plurality of ultraviolet lamps are also installed at the bottom of the cylinder, and the ultraviolet lamps are electrically connected to the ultraviolet lamp switch; a microtube cutter is also rotatably connected to the cylinder; the present invention integrates hole making, implantation, glue sealing and cutting functions into one, and completes positive sample preparation in an integrated and efficient manner, can effectively avoid the situation where the microtube tip is damaged during the implantation process, reduces the operational difficulty of positive sample preparation, saves preparation cost, and improves the efficiency of positive sample preparation.

Description

Technical Field

[0001] The invention relates to a positive sample preparation device and a preparation method for a sealing test, belonging to the technical field of positive sample preparation. Background Art

[0002] Pharmaceutical packaging needs to be tested using sealing testing technology, and during the testing process, positive samples need to be prepared for methodology development. The process of preparing positive samples is very complicated and requires the following steps:

[0003] 1. Hole making: Select a suitable location and use a needle with a certain aperture to make a microtube hole in the sample bottle (bag);

[0004] 2. Implantation: Place the microtube into a needle of a certain length, pinch the microtube to fix it, and insert it into the prepared microtube hole;

[0005] 3. Sealing glue: Apply UV glue to the hole making position, and then use ultraviolet light to cure the UV glue;

[0006] 4. Cutting: Use a ceramic knife to cut off the excess exposed microtubes.

[0007] The preparation material microtubes are mostly made of glass, which is expensive. The microtubes themselves are thin, making them difficult to operate during sample implantation, and the tips are very thin and easily damaged. The entire preparation process is complicated, difficult to operate, and inefficient. Summary of the Invention

[0008] In view of the above deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a positive sample preparation device and preparation method for a sealing test, which are used to prepare positive samples for a sealing test, reduce the difficulty of operation, and improve the efficiency of positive sample preparation.

[0009] The positive sample preparation device for sealing test described in the present invention includes a cylinder with an implantation needle installed at the bottom of the cylinder; a tube bundler and a glue storage cabin are provided in sequence from bottom to top inside the cylinder; the tube bundler is used to clamp the microtube, and the tube bundler can move up and down along the cylinder; UV glue is stored in the glue storage cabin; a foldable glue supply arm is provided on one side of the cylinder, the foldable glue supply arm is hinged to the cylinder, the foldable glue supply arm is a hollow structure, and is connected to the bottom of the glue storage cabin through a glue supply hose; a number of ultraviolet lamps are also installed at the bottom of the cylinder, and the ultraviolet lamps are electrically connected to the ultraviolet lamp switch; the cylinder is also rotatably connected to a microtube cutter, and the microtube cutter is used to cut the excess exposed part after the microtube is implanted.

[0010] The technical solution of the present invention is to provide a positive sample preparation device and preparation method for a sealing test, wherein a microtube hole is prepared by an implantation needle, the microtube is implanted into the sample by a tube bundler, UV glue is applied by a foldable glue supply arm, and the UV glue is cured by ultraviolet light. Finally, the excess exposed microtube is cut off by a microtube cutter to complete the preparation of the positive sample.

[0011] Preferably, the tube bundler includes a tube bundle rack, a plurality of elastic claws are arranged in a circumferential array at the bottom of the tube bundle rack, and the elastic claws have an elastic and curved structure that tightens toward the center, which can clamp microtubes of different diameters; a tube bundler adjustment rod is provided on one side of the tube bundle rack, and the tube bundler adjustment rod passes through the microtube adjustment groove on the cylinder body and moves in the microtube adjustment groove; the tube bundler adjustment rod is moved to drive the tube bundle rack to move up and down; an expander adjustment channel is provided on the tube bundler adjustment rod.

[0012] Furthermore, the tube holder is provided with a locking boss which is hemispherical, and the inner wall of the cylinder is provided with a locking groove which matches the locking boss. The locking groove generates resistance to the tube restrainer to prevent it from sliding down freely. When the adjusting rod of the tube restrainer is toggled, the resistance can be overcome to move the tube restrainer.

[0013] Preferably, an expander is installed in the tube bundler, and the expander is elastically connected to the tube bundler through a tension spring. The expander is provided with an expansion frame, and an expansion column is connected to the bottom of the expansion frame, and the position of the expansion column corresponds to the position of the elastic clamping claw; an expander adjustment rod is connected to the side of the expansion frame, and the expander adjustment rod is movably arranged in the expander adjustment channel of the tube bundler adjustment rod; the expander adjustment rod is pushed downward to press the elastic clamping claw through the expansion column to open it to facilitate the placement of the microtube; the expander adjustment rod is released, and the expander adjustment rod is reset under the action of the tension spring.

[0014] Preferably, the cylinder is provided with a glue supply arm placement groove. When the foldable glue supply arm is not in use, it can be folded and placed in the glue supply arm placement groove to avoid interference with operation; the glue supply arm placement groove is provided with a glue supply port on the side of the groove body, and the glue supply port is connected to the bottom of the glue storage cabin through a glue supply pipe.

[0015] Furthermore, the foldable glue supply arm includes a connecting arm and a glue discharge arm, and both the connecting arm and the glue discharge arm are hollow structures; one end of the connecting arm is hinged to the glue supply port on the cylinder, and the other end of the connecting arm is hinged to and connected with the glue discharge arm; an arc-shaped glue discharge nozzle is provided at the head end of the glue discharge arm, and a plurality of glue discharge ports are evenly distributed at the bottom of the arc-shaped glue discharge nozzle to facilitate the slow and even flow of UV glue; a hose is passed through the connecting arm and the glue discharge arm, one end of the hose is connected to the glue supply port, and the other end of the hose is connected to the glue discharge port on the arc-shaped glue discharge nozzle.

[0016] Preferably, a plurality of ultraviolet lamp limiting holes are provided on the bottom surface of the cylinder, and the lamp beads of the ultraviolet lamp pass through the ultraviolet lamp limiting holes and are arranged around the periphery of the implant needle.

[0017] Preferably, a glue pressing piston is movably arranged inside the glue storage cabin, and the glue pressing piston is provided with a glue pressing adjustment handle, which passes through the glue pressing adjustment groove on the cylinder; when the glue pressing adjustment handle is pushed downward, the glue pressing piston squeezes the UV glue in the glue storage cabin into the glue supply pipe, and finally flows out from the glue outlet on the glue discharging arm; a glue adding hole that passes through the cylinder is provided on the side of the glue storage cabin, and the glue adding hole is blocked by a visual sealing plug to facilitate observation of the remaining UV glue in the glue storage cabin; when the remaining UV glue is insufficient, the visual sealing plug can be removed to add glue to the glue storage cabin.

[0018] Preferably, a top cover is threadedly connected to the top of the cylinder, and the top cover is provided with a battery compartment, in which batteries are placed. The batteries are electrically connected to the ultraviolet lamp and the ultraviolet lamp switch to supply power to the ultraviolet lamp.

[0019] Preferably, the microtube cutter includes a rotating handle, a U-shaped groove is provided at the arc top of the rotating handle, a plurality of cutting wheels are provided in the U-shaped groove, and the cutting wheels are elastically connected to the rotating handle through a spring; when in use, the microtube cutter is turned over, the microtube is clamped in the position to be cut, and the cutting is completed by rotating it for a few weeks.

[0020] A Luer connector is installed at the bottom of the cylinder, and the implant needle is fixed on the Luer connector.

[0021] The method for preparing a positive sample for a sealing test according to the present invention comprises the following steps:

[0022] S1. Adjust the tube restrainer to the lowest position of the microtube adjustment slot using the tube restrainer adjustment rod, insert the tail of the microtube along the inner wall of the implant needle, and clamp the microtube with the elastic clamp;

[0023] S2. Hold the cylinder and insert the implant needle into the positive sample to be prepared to make a hole. Keep the implant needle buried after inserting the sample to make a hole.

[0024] S3. Push the tube binder adjustment lever downward to allow the microtube to be implanted into the sample along the inner wall of the implant needle. The insertion distance of the implanted microtube should be controlled within 4-5 mm. Then, separate the tube binder from the microtube. Then, remove the implant needle from the sample.

[0025] S4. Open the foldable glue supply arm in the glue supply arm placement slot, separate the connecting arm and the glue discharge arm at a certain angle, and align the glue outlet on the glue discharge arm with the microtube implantation site; press down the glue piston to slowly apply glue, and rotate the implantation pen at the same time to ensure that the UV glue is evenly applied to the implantation site; after the glue is applied, fold the foldable glue supply arm back to its original position;

[0026] S5. Press the UV light switch to irradiate the microtube implantation site for several seconds to cure the UV glue.

[0027] S6. Flip the microtube cutter down from the top of the implant pen and clamp the microtube at the position to be cut. Rotate the microtube cutter for a few times to complete the cutting of the microtube. The positive sample preparation is completed.

[0028] In step S1, the microtube is clamped by an elastic clamp, including the following steps:

[0029] Push the expander adjustment rod downward, press the elastic clamp through the expansion column to open it, then insert the microtube into the clamping area of the elastic clamp, release the expander adjustment rod, and reset the expander adjustment rod under the action of the tension spring, and the elastic clamp clamps the microtube.

[0030] In step S3, the method for separating the tube bundler from the microtube comprises the following steps:

[0031] Press the expander adjustment rod downward, and the expansion column presses the elastic clamp to open it, so that the elastic clamp releases the microtube, and then push the tube binder adjustment rod to the uppermost end of the microtube adjustment slot to separate the tube binder from the microtube.

[0032] Compared with the prior art, the present invention has the following beneficial effects:

[0033] The positive sample preparation device and preparation method for the sealing test described in the present invention integrate the functions of hole making, implantation, sealing, and cutting, and complete the positive sample preparation in an integrated and efficient manner. It can effectively avoid damage to the micropipette tip during the implantation process, reduce the operational difficulty of positive sample preparation, save preparation costs, and improve the efficiency of positive sample preparation. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic structural diagram of the present invention when it is in a gluing state;

[0035] Figure 2 It is a schematic structural diagram of the present invention when it is in a cutting state;

[0036] Figure 3 is a cross-sectional view of the present invention;

[0037] Figure 4 It is one of the structural diagrams of the cylinder;

[0038] Figure 5 This is the second structural diagram of the cylinder;

[0039] Figure 6 It is a cross-sectional view of the cylinder;

[0040] Figure 7 It is a cross-sectional view of the tube bundler and expander;

[0041] Figure 8 It is a structural diagram of the tube bundler;

[0042] Figure 9 is a schematic diagram of the structure of the expander;

[0043] Figure 10 It is a structural diagram of the foldable glue supply arm;

[0044] Figure 11 It is a structural diagram of the glue storage tank;

[0045] Figure 12 This is a schematic diagram of the structure of the microtubule cutter.

[0046] In the figure: 10, barrel; 101, glue pressure adjustment groove; 102, microtube adjustment groove; 103, UV lamp limit hole; 104, glue supply arm placement groove; 105, glue supply port; 106, locking groove; 20, microtube cutter; 201, U-shaped groove; 202, cutting wheel; 203, rotating handle; 30, UV lamp; 40, Luer connector; 401, implant needle; 50, microtube; 60, foldable glue supply arm; 601, connecting arm; 602, glue dispensing arm; 6021, curved glue dispensing nozzle; 70, top cover; 8 0. Tube restrainer; 801. Tube restrainer rack; 802. Locking boss; 803. Elastic clamp; 804. Tube restrainer adjustment rod; 8041. Expander adjustment channel; 90. UV lamp switch; 100. Battery; 110. Glue storage compartment; 1101. Glue pressing piston; 1102. Glue adding hole; 1103. Glue pressing adjustment handle; 120. Visible sealing plug; 130. Glue supply hose; 140. Expander; 1401. Expander rack; 1402. Expander adjustment rod; 1403. Expander column; 150. Tension spring. DETAILED DESCRIPTION

[0047] like Figure 1-12 As shown, this embodiment is implemented through the following technical solutions: it includes a cylinder 10, a Luer connector 40 is installed at the bottom of the cylinder 10, and an implantation needle 401 is fixed on the Luer connector 40; a tube bundler 80 and a glue storage cabin 110 are provided in sequence from bottom to top inside the cylinder 10; the tube bundler 80 is used to clamp the microtube 50, and the tube bundler 80 can move up and down along the cylinder 10; UV glue is stored in the glue storage cabin 110; a foldable glue supply arm 60 is provided on one side of the cylinder 10, and the foldable glue supply arm 60 is hinged to the cylinder 10, the foldable glue supply arm 60 is a hollow structure, and is connected to the bottom of the glue storage cabin 110 through a glue supply hose 130; a number of ultraviolet lamps 30 are also installed at the bottom of the cylinder 10, and the ultraviolet lamps 30 are electrically connected to the ultraviolet lamp switch 90; the cylinder 10 is also rotatably connected to a microtube cutter 20, and the microtube cutter 20 is used to cut the excess exposed part after the microtube is implanted.

[0048] In this embodiment, the tube holder 80 includes a tube holder 801 having a plurality of elastic clamps 803 arranged in a circumferential array at the bottom of the tube holder 801. The elastic clamps 803 have an elastic and centrally curved structure that can clamp microtubes of different diameters. A tube holder adjustment rod 804 is provided on one side of the tube holder 801. The tube holder adjustment rod 804 extends through the microtube adjustment slot 102 on the barrel 10 and moves within the microtube adjustment slot 102. Turning the tube holder adjustment rod 804 can move the tube holder 801 up and down. The tube holder adjustment rod 804 is provided with an expander adjustment channel 8041.

[0049] The tube holder 801 is provided with a locking boss 802, which is hemispherical. The inner wall of the cylinder 10 is provided with a locking groove 106 that is compatible with the locking boss 802. The locking groove 106 generates resistance to the tube restrainer 80 to prevent it from sliding down freely. When the tube restrainer adjustment rod 804 is toggled, the resistance can be overcome to move the tube restrainer 80.

[0050] An expander 140 is installed in the tube bundler 80, and the expander 140 is elastically connected to the tube bundler 80 through a tension spring 150. The expander 140 is provided with an expansion frame 1401, and an expansion column 1403 is connected to the bottom of the expansion frame 1401, and the position of the expansion column 1403 corresponds to the position of the elastic clamping claw 803; an expander adjustment rod 1402 is connected to the side of the expansion frame 1401, and the expander adjustment rod 1402 is movably set in the expander adjustment channel 8041 of the tube bundler adjustment rod; when the expander adjustment rod 1402 is pushed downward, the elastic clamping claw 803 can be pressed through the expansion column 1403 to open it to facilitate the insertion of the microtube; when the expander adjustment rod 1402 is released, the expander adjustment rod 1402 is reset under the action of the tension spring 150.

[0051] The cylinder body 10 is provided with a glue supply arm placement groove 104. When the foldable glue supply arm 60 is not in use, it can be folded and placed in the glue supply arm placement groove 104 to avoid interference with operation; the glue supply arm placement groove 104 is provided with a glue supply port 105 on the side of the groove body, and the glue supply port 105 is connected to the bottom of the glue storage cabin 110 through a glue supply pipe 130.

[0052] The foldable glue supply arm 60 includes a connecting arm 601 and a glue discharge arm 602, both of which are hollow structures; one end of the connecting arm 601 is hinged to the glue supply port 105 on the cylinder, and the other end of the connecting arm 601 is hinged to and connected with the glue discharge arm 602; the head end of the glue discharge arm 602 is provided with an arc-shaped glue discharge nozzle 6021, and a plurality of glue discharge ports are evenly distributed on the arc-shaped glue discharge nozzle 6021 to facilitate the slow and uniform flow of UV glue; a hose is passed through the connecting arm 601 and the glue discharge arm 602, one end of the hose is connected to the glue supply port 105, and the other end of the hose is connected to the glue discharge port on the arc-shaped glue discharge nozzle 6021.

[0053] The bottom surface of the barrel 10 is provided with a plurality of ultraviolet lamp limiting holes 103 , and the lamp beads of the ultraviolet lamp 30 pass through the ultraviolet lamp limiting holes 103 and are arranged around the periphery of the implant needle 401 .

[0054] A glue pressing piston 1101 is movably arranged inside the glue storage cabin 110, and the glue pressing piston 1101 is provided with a glue pressing adjustment handle 1103, which passes through the glue pressing adjustment groove 101 on the cylinder 10; when the glue pressing adjustment handle 1103 is pushed downward, the glue pressing piston 1101 squeezes the UV glue in the glue storage cabin 110 into the glue supply pipe 130, and finally flows out from the glue outlet on the glue discharging arm 602; a glue adding hole 1102 is provided on the side of the glue storage cabin 110 that passes through the cylinder 10, and the glue adding hole 1102 is blocked by a visible sealing plug 120; the visible sealing plug 120 is made of transparent plastic material to facilitate observation of the remaining UV glue in the glue storage cabin 110; when the remaining UV glue is insufficient, the removable visible sealing plug 120 can be used to add glue to the glue storage cabin 110. The top of the barrel 10 is threadedly connected to a top cover 70. This top cover 70 has a battery compartment containing batteries 100. The batteries 100 are electrically connected to the UV lamp 30 and the UV lamp switch 90 to supply power to the UV lamp 30. The microtubule cutter 20 includes a rotating handle 203 having a U-shaped groove 201 at its top. The U-shaped groove 201 contains a plurality of cutting wheels 202, which are elastically connected to the rotating handle 203 via a spring. To use, the microtubule cutter 20 is flipped over, positioned to secure the microtubule to be cut, and rotated several times to complete the cut.

[0055] The method for preparing a positive sample for a sealing test described in this embodiment comprises the following steps:

[0056] S1. Adjust the tube tie 80 to the lowest position of the microtube adjustment slot 102 via the tube tie adjustment rod 804. Insert the tail of the microtube 50 along the inner wall of the implant needle 401. Push the expander adjustment rod 1402 downward. Press the elastic clamping claw 803 with the expansion column 1403 to open it. Then insert the microtube 50 into the clamping area of the elastic clamping claw 803. Release the expander adjustment rod 1402. The expander adjustment rod 1402 is reset by the action of the tension spring. The elastic clamping claw 803 clamps the microtube 50. Then push the tube tie adjustment rod 804 again to slide the tube tie 80 to the highest position of the microtube adjustment slot 102 for standby use.

[0057] S2. Hold the cylinder 10 and insert the implantation needle 401 into the positive sample to be prepared to make a hole. Keep the implantation needle 401 embedded after the hole is made.

[0058] S3. Push the tube tie adjustment rod 804 downward to implant the microtube 50 into the sample along the inner wall of the implant needle 401. The insertion distance of the implanted microtube 50 can be 4 mm, 4.5 mm, or 5 mm. Press the expander adjustment rod 1402 downward to release the elastic clamp 803 from the microtube 50. Then push the tube tie adjustment rod 804 to the uppermost end of the microtube adjustment slot 102 to separate the tube tie 80 from the microtube 50. Then, remove the implant needle 401 from the sample.

[0059] S4. Open the foldable glue supply arm 60 in the glue supply arm placement slot 104, separate the connecting arm 601 and the glue discharge arm 602 by a certain angle, and align the glue outlet on the glue discharge arm 602 with the microtube implantation site; press the glue pressing piston 1101 downward to slowly apply glue, while rotating the implantation pen to ensure that the UV glue is evenly applied to the implantation site; after the glue application is completed, fold the foldable glue supply arm 60 back to its original position;

[0060] S5, pressing the UV light switch 90 to irradiate the microtube implantation site for several seconds to cure the UV glue;

[0061] S6. Turn the microtube cutter 20 down from the upper end of the implant pen, clamp the microtube 50 at the position to be cut, and rotate the microtube cutter 20 for several weeks to complete the cutting of the microtube; the positive sample preparation is completed.

Claims

1. A positive sample preparation device for a sealing test, characterized in that: The invention comprises a cylinder (10), wherein an implantation needle (401) is installed at the bottom of the cylinder (10); a tube bundler (80) and a glue storage cabin (110) are sequentially arranged inside the cylinder (10) from bottom to top; a foldable glue supply arm (60) is hingedly connected to one side of the cylinder (10); the foldable glue supply arm (60) is a hollow structure, and the foldable glue supply arm (60) is connected to the bottom of the glue storage cabin (110) through a glue supply pipe (130); a microtube cutter (20) for cutting microtubes is also rotatably connected to the cylinder (10); a glue supply arm placement groove (104) is provided on the cylinder (10); a glue supply port (105) is opened on the side of the glue supply arm placement groove (104), and the glue supply port (105) is connected to the bottom of the glue storage cabin (110) through the glue supply pipe (130); The tube bundler (80) includes a tube bundle rack (801), a plurality of elastic clamping claws (803) are arranged in a circumferential array at the bottom of the tube bundle rack (801), and the elastic clamping claws (803) have an elastic curved surface structure that tightens toward the center; a tube bundler adjustment rod (804) is provided on one side of the tube bundle rack (801), and the tube bundler adjustment rod (804) passes through the microtube adjustment groove (102) on the cylinder (10); and an expander adjustment channel (8041) is provided on the tube bundler adjustment rod (804); An expander (140) is installed in the tube restrainer (80), and the expander (140) is elastically connected to the tube restrainer (80) via a tension spring (150); The tube bundle rack (801) is provided with a locking boss (802), the locking boss (802) is hemispherical, and the inner wall of the cylinder (10) is provided with a locking groove (106) adapted to the locking boss (802); The expander (140) is provided with an expansion frame (1401), the bottom of the expansion frame (1401) is connected to an expansion column (1403), the position of the expansion column (1403) corresponds to the position of the elastic clamping claw (803); the side of the expansion frame (1401) is connected to an expander adjustment rod (1402), and the expander adjustment rod (1402) is movably arranged in the expander adjustment channel (8041).

2. The positive sample preparation device for sealing test according to claim 1, characterized in that: The foldable glue supply arm (60) comprises a connecting arm (601) and a glue discharging arm (602), both of which are hollow structures; one end of the connecting arm (601) is hinged to the glue supply port (105) on the cylinder, and the other end of the connecting arm (601) is hinged to and connected with the glue discharging arm (602); the head end of the glue discharging arm (602) is provided with an arc-shaped glue discharging nozzle (6021), and a plurality of glue discharging ports are evenly distributed on the arc-shaped glue discharging nozzle (6021); a hose is passed through the connecting arm (601) and the glue discharging arm (602), one end of the hose is connected to the glue supply port (105), and the other end of the hose is connected to the glue discharging port on the arc-shaped glue discharging nozzle (6021).

3. The positive sample preparation device for sealing test according to claim 1, characterized in that: A plurality of ultraviolet lamps (30) are installed at the bottom of the cylinder (10), and the ultraviolet lamps (30) are electrically connected to the ultraviolet lamp switch (90); a plurality of ultraviolet lamp limiting holes (103) are provided on the bottom surface of the cylinder (10), and the lamp beads of the ultraviolet lamps (30) pass through the ultraviolet lamp limiting holes (103) and are arranged around the periphery of the implant needle (401).

4. The positive sample preparation device for sealing test according to claim 3, characterized in that: A glue pressing piston (1101) is movably arranged inside the glue storage chamber (110), and the glue pressing piston (1101) is provided with a glue pressing adjustment handle (1103), and the glue pressing adjustment handle (1103) passes through the glue pressing adjustment groove (101) on the cylinder (10); a glue adding hole (1102) passing through the cylinder (10) is provided on the side of the glue storage chamber (110), and the glue adding hole (1102) is blocked by a visible sealing plug (120).

5. The positive sample preparation device for sealing test according to claim 1, characterized in that: The top of the cylinder (10) is threadedly connected to a top cover (70), and the top cover (70) is provided with a battery compartment, in which a battery (100) is placed. The battery (100) is electrically connected to the ultraviolet lamp (30) and the ultraviolet lamp switch (90).

6. A method for preparing a positive sample for a sealing test, using the positive sample preparation device for a sealing test according to claim 4, characterized in that: The following steps are involved: S1. Adjust the tube bundler (80) to the lowest position of the microtube adjustment groove (102) through the tube bundler adjustment rod (804), insert the tail of the microtube (50) along the inner wall of the implant needle (401), clamp the microtube (50) with the elastic clamp (803), and then move the tube bundler adjustment rod (804) to slide the tube bundler (800) to the uppermost position of the microtube adjustment groove (102) for standby use; S2, holding the cylinder (10), inserting the implantation needle (401) into the positive sample to be prepared to make a hole, and keeping the implantation needle (401) buried after inserting the sample to make a hole; S3. Push the tube-binding device adjustment rod (804) downward to implant the microtube (50) into the sample along the inner wall of the implantation needle (401). The insertion distance of the implantation microtube (50) is controlled to be 4-5 mm. Then, separate the tube-binding device (80) from the microtube (50), and then remove the implantation needle (401) from the sample. S4. Open the foldable glue supply arm (60) in the glue supply arm placement slot (104), wherein the foldable glue supply arm (60) includes a connecting arm (601) and a glue discharging arm (602), separate the connecting arm (601) and the glue discharging arm (602) at a certain angle, and align the glue outlet on the glue discharging arm (602) with the microtube implantation site; press the glue pressing piston (1101) downward to slowly feed glue, and rotate the preparation device at the same time to ensure that the UV glue is evenly applied to the implantation site; after the glue feeding is completed, fold the foldable glue supply arm (600) back to its original position; S5, pressing the UV light switch (90) to irradiate the microtube implantation site for several seconds to cure the UV glue; S6. Turn the microtube cutter (20) down from the upper end of the preparation device, clamp the microtube (50) at the position to be cut, and rotate the microtube cutter (20) for several weeks to complete the cutting of the microtube; the preparation of the positive sample is completed.

7. The method for preparing a positive sample for a sealing test according to claim 6, characterized in that: In step S1, the microtube (50) is clamped by the elastic clamp (803), The following steps are involved: The expander adjustment rod (1402) is pushed downward, and the elastic clamping claw (803) is pressed by the expansion column (1403) to open it. Then, the microtube (50) is inserted into the clamping area of the elastic clamping claw (803), and the expander adjustment rod (1402) is released. Under the action of the tension spring, the expander adjustment rod (1402) is reset, and the elastic clamping claw (803) clamps the microtube (50).

8. The method for preparing a positive sample for a sealing test according to claim 6, characterized in that: In step S3, the method for separating the tube bundler (80) from the microtube (50) comprises the following steps: The expander adjustment rod (1402) is pressed downward, and the expansion column (1403) presses the elastic clamping claw (803) to open it, so that the elastic clamping claw (803) releases the microtube (50), and then the tube bundler adjustment rod (804) is pushed to the uppermost end of the microtube adjustment groove (102), so that the tube bundler (80) is separated from the microtube (50).

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