CN209821204U - Lymphoma blood chemical examination section transfer device - Google Patents

Abstract

The utility model discloses a lymphoma blood chemical examination section transfer device, piston cylinder including a vertical setting, piston cylinder upper end is equipped with a cover, and the cover is connected through internal and external screw thread with piston cylinder, be equipped with the closure plate on the nozzle of piston cylinder lower extreme, the closure plate center is equipped with a first bleeder vent, be equipped with a piston core bar in the piston cylinder, piston core bar lower extreme is fixed with a piston, and the piston is with inside negative pressure chamber and the exhaust chamber that divide into upper portion of piston cylinder, piston cylinder upper portion bilateral symmetry is equipped with a hollow left straw and right straw, and the one end of left straw and right straw all communicates negative pressure chamber, and the other end of left straw and right straw all is equipped with a sucking disc. The utility model discloses a negative pressure is made to the piston cylinder, utilizes the sucking disc to transport the slide, can not cause the pollution to the sample section, need not external other equipment, practices thrift the cost.

Description

Lymphoma blood chemical examination section transfer device

Technical Field

The utility model relates to a section transfer device especially relates to a lymphoma blood chemical examination section transfer device.

Background

At present, medical institution is when carrying out tumour pathology's research and experiment, all can use various pathological section, ordinary section preparation method is all to cut into the thin slice with pathological change tissue, then make the sample through cover glass and study, because the sample that the preparation was accomplished need put and observe under the microscope, therefore, when carrying out the sliced transportation of sample, require to use tweezers and can not prevent to pollute the slide surface with the hand touching, use tweezers to need the skill, otherwise very easily with slide surface fish tail, the operation is improper, the section still can drop. A harmless pollution-free lymphoma blood assay section transfer device is introduced in Chinese patent with the patent number of CN201720509602.9, including the pipe, pipe lower extreme fixed connection suction groove, suction groove central authorities are equipped with the water conservancy diversion boss, suction inslot circle is equipped with first guiding gutter, second guiding gutter, third guiding gutter and fourth guiding gutter respectively, first guiding gutter has inlayed first Laval nozzle, second guiding gutter has inlayed the second Laval nozzle, third guiding gutter has all inlayed the third Laval nozzle, fourth guiding gutter has inlayed the fourth Laval nozzle, first Laval nozzle, second Laval nozzle, third Laval nozzle and fourth Laval nozzle correspond respectively through first bronchus pipeline, second bronchus pipeline, third bronchus pipeline and fourth bronchus pipeline with the pipe intercommunication, the handle is connected to the pipe upper end, the upper end of the handle is provided with a quick-insertion air connector. This device can transport a specimen slice without touching the slide surface by hand or the like, but has the following drawbacks: 1. negative pressure equipment is additionally connected for use, so that the cost is increased; 2. the air pressure for adsorbing the glass slide needs to be controlled, otherwise, the glass slide is crushed or falls and is broken; 3. the shape and size of the glass slide have certain requirements, and the applicability is poor; 4. the volume is large, the storage is not easy, and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the problem that above-mentioned prior art exists, provide a lymphoma blood chemical examination section transfer device, need not external other equipment, practice thrift the cost, small in size and convenient to use.

The utility model provides a technical scheme that its technical problem adopted: the utility model provides a lymphoma blood chemical examination section transfer device, includes the piston barrel of a vertical setting, piston barrel upper end is equipped with a cover, and the cover is connected through internal and external screw thread with piston barrel, be equipped with the closing plate on the nozzle of piston barrel lower extreme, the closing plate center is equipped with a first bleeder vent, the nozzle outside of piston barrel lower extreme is equipped with a safety cover, and the safety cover is connected through internal and external screw thread with piston barrel, be equipped with a plurality of second bleeder vent on the safety cover, second bleeder vent position staggers with first bleeder vent position, be equipped with a piston core bar in the piston barrel, piston core bar lower extreme is fixed with a piston, and the piston is divided into negative pressure chamber and the exhaust chamber on upper portion with piston barrel inside, be equipped with a centre bore on the cover, carry out sliding seal between centre bore and the piston core bar and be connected, piston core bar upper end passes the centre bore and is equipped, and a hollow left suction pipe and a hollow right suction pipe are symmetrically arranged on two sides of the upper part of the piston cylinder, one ends of the left suction pipe and the right suction pipe are communicated with the negative pressure cavity, and the other ends of the left suction pipe and the right suction pipe are provided with a suction cup.

For further improvement, a sealing ring clamping groove is formed in the central hole, and a first sealing ring is arranged on the sealing ring clamping groove.

Further perfection, the left suction pipe and the right suction pipe are both of downward L-shaped metal pipe structures, and the lower ends of the vertical sections of the left suction pipe and the right suction pipe are lower than the safety cover.

Further perfection, be equipped with a sealing washer below the closing plate and hold the recess, the sealing washer holds the recess internal fixation and is equipped with a second sealing washer.

Further perfection, the position of the inner hole of the second sealing ring is aligned to the position of the first air hole, the diameter of the inner hole is the same as that of the first air hole, and the thickness of the second sealing ring is larger than the depth of the sealing ring accommodating groove.

Further perfection, a limit screw is arranged on the side wall of the middle part of the piston cylinder, and the inner end of the limit screw is positioned above the piston.

Further perfection, a return spring is arranged between the operating key and the cylinder cover.

Further perfecting, piston cylinder upper portion both sides are equipped with left joint and right joint respectively, and left joint carries out threaded connection with left straw, and right joint carries out threaded connection with right straw.

Further perfect, all be equipped with a third sealing washer on left side joint and the right side joint.

The utility model discloses profitable effect is: 1. the utility model uses the suction disc to transfer the slide by making the negative pressure through the piston cylinder, thus not polluting the specimen slice and saving the cost without connecting other devices; 2. the utility model is provided with the safety cover, the exhaust cavity can be locked, and the slide is prevented from falling off due to loose hands during transportation; 3. the sucking disc is used for adsorbing and transferring the glass slide, so that the requirement on the shape and the size of the glass slide is low, and the applicability is good; 4. the volume is small and exquisite, conveniently deposits, easy operation moreover, and is efficient.

Drawings

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

FIG. 2 is an enlarged view of the first seal ring shown in FIG. 1;

FIG. 3 is an enlarged view of the third seal ring shown in FIG. 1;

FIG. 4 is an enlarged view of the second seal ring of FIG. 1;

description of reference numerals: 1. the device comprises a piston cylinder, 2, a cylinder cover, 3, a sealing plate, 4, a first vent hole, 5, a safety cover, 6, a second vent hole, 7, a piston core rod, 8, a piston, 9, a negative pressure cavity, 10, an exhaust cavity, 11, a central hole, 12, an operation key, 13, a left sucker, 14, a right sucker, 15, a sucker, 16, a sealing ring clamping groove, 17, a first sealing ring, 18, a screw air valve, 19, a sealing ring accommodating groove, 20, a second sealing ring, 21, a limiting screw, 22, a reset spring, 23, a left joint, 24, a right joint, 25, a third sealing ring, 26, a cover glass, 27, a glass slide, 28 and a glass slide clamp.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

with reference to the accompanying drawings: the lymphoma blood test section transferring device comprises a piston cylinder 1 which is vertically arranged, wherein a cylinder cover 2 is arranged at the upper end of the piston cylinder 1, the cylinder cover 2 is connected with the piston cylinder 1 through internal and external threads, a sealing plate 3 is arranged on a cylinder opening at the lower end of the piston cylinder 1, a first air vent 4 is arranged at the center of the sealing plate 3, a safety cover 5 is arranged outside the cylinder opening at the lower end of the piston cylinder 1, the safety cover 5 is connected with the piston cylinder 1 through the internal and external threads, a plurality of second air vents 6 are arranged on the safety cover 5, the positions of the second air vents 6 are staggered with the positions of the first air vents 4, a piston core rod 7 is arranged in the piston cylinder 1, a piston 8 is fixed at the lower end of the piston core rod 7, the piston 8 divides the interior of the piston cylinder 1 into a negative pressure cavity 9 and an exhaust cavity 10 at the upper part, and, the central hole 11 is connected with the piston core rod 7 in a sliding and sealing mode, the upper end of the piston core rod 7 penetrates through the central hole 11 and is provided with an operating key 12, a hollow left suction pipe 13 and a hollow right suction pipe 14 are symmetrically arranged on two sides of the upper portion of the piston cylinder 1, one end of each of the left suction pipe 13 and the right suction pipe 14 is communicated with the negative pressure cavity 9, and the other end of each of the left suction pipe 13 and the right suction pipe 14 is provided with a suction cup 15.

When in use, the glass slide clamp 28 clamps the glass slide 27 and the cover glass 26, the glass slide clamp 28 clamps the cover glass 26 and the glass slide 27 together, the slide can be compacted, the two glass slides are prevented from being separated in the process of being sucked, then the two suckers 15 on the left suction pipe 13 and the right suction pipe 14 are attached to the upper surface of the cover glass 26, the safety cover 5 is loosened, the operation key 12 is pressed, the piston 8 is moved through the piston core rod 7 to discharge the air in the air exhaust cavity 10 in the piston cylinder 1 from the first air vent 4 and the second air vent 6, so that negative pressure is formed in the negative pressure cavity 9, the suckers 15 suck the cover glass 26, then the safety cover 5 is screwed, the outside air cannot enter the air exhaust cavity 10 again due to the staggered positions of the first air vent 4 and the second air vent 6, the position of the piston 8 is locked through the air lock, so as to ensure the stable negative pressure in the negative pressure cavity 9, the slide can then be transported to a new position, after which the safety cover 5 can be released and unlocked, so that the suction cup 15 releases the cover glass 26 and the transport of the slide is completed.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims (10)

1. The utility model provides a lymphoma blood assay section transfer device, includes a piston cylinder (1) of vertical setting, characterized by: the piston cylinder is characterized in that a cylinder cover (2) is arranged at the upper end of the piston cylinder (1), the cylinder cover (2) is connected with the piston cylinder (1) through internal and external threads, a sealing plate (3) is arranged on a cylinder opening at the lower end of the piston cylinder (1), a first air vent (4) is arranged at the center of the sealing plate (3), a safety cover (5) is arranged outside the cylinder opening at the lower end of the piston cylinder (1), the safety cover (5) is connected with the piston cylinder (1) through the internal and external threads, a plurality of second air vents (6) are arranged on the safety cover (5), the positions of the second air vents (6) are staggered with those of the first air vent (4), a piston core rod (7) is arranged in the piston cylinder (1), a piston (8) is fixed at the lower end of the piston core rod (7), and the piston (8) divides the interior of the piston cylinder (1) into an upper, the cylinder cover (2) is provided with a center hole (11), the center hole (11) is connected with the piston core rod (7) in a sliding and sealing mode, the upper end of the piston core rod (7) penetrates through the center hole (11) and is provided with an operation key (12), a hollow left suction pipe (13) and a hollow right suction pipe (14) are symmetrically arranged on two sides of the upper portion of the piston cylinder (1), one ends of the left suction pipe (13) and the right suction pipe (14) are communicated with the negative pressure cavity (9), and the other ends of the left suction pipe (13) and the right suction pipe (14) are provided with a suction disc (15).

2. The lymphoma blood test slice transfer device according to claim 1, wherein: a sealing ring clamping groove (16) is formed in the center hole (11), and a first sealing ring (17) is arranged on the sealing ring clamping groove (16).

3. The lymphoma blood test slice transfer device according to claim 1, wherein: the left suction pipe (13) and the right suction pipe (14) are both of downward L-shaped metal pipe structures, and the lower ends of the vertical sections of the left suction pipe (13) and the right suction pipe (14) are lower than the safety cover (5).

4. The lymphoma blood test slice transfer device according to claim 3, wherein: and the horizontal sections of the left suction pipe (13) and the right suction pipe (14) are respectively provided with a screw air valve (18) for independent opening and closing.

5. The lymphoma blood test slice transfer device according to claim 1, wherein: a sealing ring accommodating groove (19) is formed below the closing plate (3), and a second sealing ring (20) is fixed in the sealing ring accommodating groove (19).

6. The lymphoma blood test slice transfer device according to claim 5, wherein: the inner hole of the second sealing ring (20) is aligned to the first air hole (4) and has the same diameter, and the thickness of the second sealing ring (20) is larger than the depth of the sealing ring accommodating groove (19).

7. The lymphoma blood test slice transfer device according to claim 1, wherein: and a limit screw (21) is arranged on the side wall of the middle part of the piston cylinder (1), and the inner end of the limit screw (21) is positioned above the piston (8).

8. The lymphoma blood test slice transfer device according to claim 1, wherein: and a return spring (22) is arranged between the operating key (12) and the barrel cover (2).

9. The lymphoma blood test slice transfer device according to claim 1, wherein: and a left joint (23) and a right joint (24) are respectively arranged on two sides of the upper part of the piston cylinder (1), the left joint (23) is in threaded connection with the left suction pipe (13), and the right joint (24) is in threaded connection with the right suction pipe (14).

10. The lymphoma blood test slice transfer device according to claim 9, wherein: and the left joint (23) and the right joint (24) are both provided with a third sealing ring (25).