CN112945662B - Specimen preparation equipment for medical examination - Google Patents
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- CN112945662B CN112945662B CN202110102636.7A CN202110102636A CN112945662B CN 112945662 B CN112945662 B CN 112945662B CN 202110102636 A CN202110102636 A CN 202110102636A CN 112945662 B CN112945662 B CN 112945662B
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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Abstract
The invention discloses a specimen preparation device for medical examination, which comprises a preparation workbench, a mounting bracket, a specimen carrier, a specimen extraction assembly, a preparation assembly and a tool support, wherein the mounting bracket is vertically fixed on one side of the upper end surface of the preparation workbench, friction bottom pieces for supporting and fixing are symmetrically arranged on the lower end surface of the preparation workbench, and the specimen extraction assembly and the preparation assembly are mounted on the mounting bracket; the upper end surface of the preparation common workbench is provided with a plurality of sample carriers, different prepared samples are stored in the sample carriers, the sample extraction assembly is positioned above the sample carriers, and samples of the prepared samples are quantitatively extracted from the sample carriers; a tool support is installed on one side of the upper end face of the preparation workbench, and a specimen body is fixed on the tool support.
Description
Technical Field
The invention relates to the technical field of medical examination equipment, in particular to specimen preparation equipment for medical examination.
Background
Currently, medical testing is a science of testing materials taken from the human body to provide information for the prevention, diagnosis, treatment of human diseases and assessment of human health. Medical examination usually uses a plurality of identical samples made of blood, urine and other liquids, and has high examination accuracy and must be consistent when preparing specimens. In the prior art, for the preparation of a test specimen, the sampling quantity is often manually controlled, and multiple times of sampling and multiple times of operation are needed, so that the operation process is complicated, errors are easy to make mistakes, the sampling quantity cannot be accurately controlled, the test error is easy to increase, and the damage to a specimen trunk is easy to cause in the multiple times of taking and placing processes; in addition, after the specimen is formed, residual bubbles are easily generated inside the specimen, and the preparation quality is relatively low, so that it is necessary to provide a specimen preparation apparatus for medical examination to solve the above problems.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a specimen preparation device for medical examination comprises a preparation workbench, an installation support, a specimen carrier, a specimen extraction assembly, a preparation assembly and a tool support, wherein the installation support is vertically fixed on one side of the upper end face of the preparation workbench, the cross section of the installation support is of an inverted L-shaped structure, friction bottom pieces for supporting and fixing are symmetrically arranged on the lower end face of the preparation workbench, and the specimen extraction assembly and the preparation assembly are installed on the installation support;
the upper end surface of the preparation common workbench is provided with a plurality of sample carriers, different prepared samples are stored in the sample carriers, the sample extraction assembly is positioned above the sample carriers, and samples of the prepared samples are quantitatively extracted from the sample carriers;
the sample preparation device is characterized in that a tool support is installed on one side of the upper end face of the preparation workbench, a sample body part is fixed on the tool support, the sample body part bears and stores an extracted sample after the sample extraction assembly finishes extraction, and the sample body part is prepared into a sample by the preparation assembly.
As a preferred technical scheme of the invention, an auxiliary supporting piece is fixed on the mounting bracket through a locking screw piece, and a connecting support rod is vertically fixed in the auxiliary supporting piece through a bearing and can rotate relatively;
a rotary seat is fixed on the mounting bracket, one end of the connecting support rod extends into the rotary seat, a built-in motor is arranged in the rotary seat, and the output end of the built-in motor is fixed with one end of the connecting support rod and drives the connecting support rod to do directional circular motion;
the lower extreme of connecting strut transversely installs and bears the weight of the diaphragm, sample extraction subassembly and preparation subassembly are vertical respectively to run through to be fixed bear the weight of the both sides position of diaphragm.
As a preferred technical scheme of the present invention, a fixed support is installed on the preparation workbench, each sample carrier is circumferentially arranged on the fixed support, and a support shaft member is vertically fixed on a lower end surface of the fixed support and is relatively rotatably installed on the preparation workbench through the support shaft member;
a rotary motor is installed in the preparation workbench, and the output end of the rotary motor is connected with the supporting shaft piece for transmission through a gear meshing effect.
As a preferred technical scheme, the sample extraction assembly comprises a bearing test piece, a sealing piston, a sliding guide sleeve, a connecting shaft sleeve and an extraction head seat, wherein the sealing piston is arranged in the bearing test piece in a relatively up-down sliding manner, and the connecting shaft sleeve is vertically fixed in the middle of the upper end face of the sealing piston;
a sliding guide sleeve is arranged on the upper side in the bearing test piece, and one end of the connecting shaft sleeve extends into the sliding guide sleeve and slides along the sliding guide sleeve in a limiting manner;
the sliding guide sleeve is internally and coaxially provided with a threaded support piece capable of rotating relatively, a driving motor is installed in the bearing test piece, the output end of the driving motor is fixed with one end of the threaded support piece, and the threaded support piece is connected with the connecting shaft sleeve for transmission through a threaded meshing effect and drives the sealing piston to perform extraction work;
and an extraction headstock is mounted on the lower end face of the bearing test piece and penetrates into the sample carrier to perform quantitative extraction.
As a preferred technical scheme of the invention, a guide external member vertically penetrates through the bearing transverse plate, a plurality of electric telescopic rods are symmetrically arranged in the guide external member, the output end of each electric telescopic rod is respectively hinged with one end of the bearing test piece, and the bearing test piece is driven to vertically or obliquely extract through the vertical telescopic action of the electric telescopic rods.
As a preferred technical scheme, the extraction head base comprises a flow collecting sleeve, a drainage branch pipe, an inner flow guide part, an outer flexible layer fitting part, a built-in layer fitting part and a connecting ring piece, wherein the drainage branch pipe is connected in the flow collecting sleeve in a sealing mode, and a circular cavity for mounting the inner flow guide part is formed in the drainage branch pipe;
one end of the inner flow guide piece extends into the flow collecting sleeve and slides up and down along the flow collecting sleeve in a limiting way, and the cross section of one end of the inner flow guide piece extending into the drainage branch pipe is of a circular structure;
the inner flow guide piece is sleeved with a connecting ring piece, built-in springs are symmetrically arranged on two sides of the connecting ring piece, and the inner flow guide piece can locally block the drainage branch pipe under the action of the elastic force of the springs in a general state;
the lower end surface of the inner flow guide piece is provided with an inner layer piece, and the cross section of the inner layer piece is of a splayed structure;
and an outer flexible coating piece is arranged on the drainage branch pipe, and the inner wall of the cross section of the outer flexible coating piece is of an arc-shaped structure.
As a preferred technical scheme of the invention, the preparation assembly comprises a telescopic cylinder piece, a fixed support, a rolling wheel set, an auxiliary guide wheel and a membrane air extrusion device, wherein the telescopic cylinder piece is vertically fixed on the bearing transverse plate, and the fixed support is installed at the output end of the telescopic cylinder piece;
two sides of the fixed support are symmetrically provided with rolling wheel sets which can rotate relatively and vertically, a covering film layer is rolled between the rolling wheel sets, and the specimen trunk piece is covered completely by the covering film layer;
auxiliary guide wheels are symmetrically arranged on two sides of the lower end face of the fixed support, and the auxiliary guide wheels are used for steering and guiding the covering film layer and enabling the covering film layer to be always in a tightened state in the specimen preparation process;
therefore, the lower end face of the fixed support is also provided with a membrane air extrusion device, and the membrane air extrusion device extrudes the specimen body piece from the middle part to two sides when the covering membrane layer initially contacts the specimen body piece, and discharges residual air bubbles in the membrane layer in time.
As a preferred technical scheme of the invention, the membrane air extrusion device further comprises an arc-shaped guide frame, a connecting support, a sliding support, a return spring and a cutting knife piece, wherein the arc-shaped guide frame is arranged on the lower end surface of the fixed support, the connecting support is fixed on the arc-shaped guide frame, and the sliding support is vertically arranged on the connecting support in a relatively sliding manner;
one end of the sliding support column is provided with a guide wheel which can rotate relatively, and the guide wheel slides along the arc-shaped guide frame;
the connecting bracket is also symmetrically provided with return springs, and the return springs are used for locally arranging the sliding support in the middle of the arc-shaped guide frame under the action of air elasticity in a general state;
and the side wall of the end surface of the connecting bracket is also provided with a cutting knife piece.
Compared with the prior art, the invention provides a specimen preparation device for medical examination, which has the following beneficial effects:
according to the invention, sample carriers bearing samples are sequentially arranged on a fixed support in a circumferential manner, are sequentially extracted through a sample extraction assembly, are put on a sample body piece on a tool support, and are prepared into sample samples through a preparation assembly; in the sample extraction, the extraction stability is ensured by the up-and-down sliding pressure discharge of the sealing piston in the bearing test piece, and in the extraction, the built-in layer piece and the outer flexible layer piece respectively go deep into the bottom and the middle-upper part of the sample liquid level, when the sample extraction liquid reaches drainage pressure in the outer flexible layer piece, the drainage branch pipe and the inner flow guide piece are communicated together and the extraction liquid is conveyed into the flow collection sleeve, so that the up-and-down layered extraction of the sample liquid level is realized, and the universality and the representativeness of the sample during the preparation and inspection are ensured; and in the preparation process, the specimen body part is sealed and covered by the covering film layer arranged on the rolling wheel set in a rolling mode, the film air extrusion device presses the two sides from the middle part, residual air bubbles in the specimen can be effectively discharged in time, and the specimen preparation quality is improved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the mounting bracket of the present invention;
FIG. 3 is a schematic diagram of the sample extraction assembly of the present invention;
FIG. 4 is an enlarged view of the point A in FIG. 3;
FIG. 5 is a schematic view of the structure of a preparation kit according to the present invention;
FIG. 6 is a schematic view showing the structure of a membrane air compressing apparatus according to the present invention;
in the figure: 1, a preparation workbench, 2 mounting brackets, 201 auxiliary supporting pieces, 202 bearing transverse plates, 203 connecting supporting rods, 204 rotating seats, 3 sample extracting assemblies, 301 bearing test pieces, 302 sealing pistons, 303 connecting shaft sleeves, 304 driving motors, 305 threaded supporting pieces, 306 guiding kits, 307 electric telescopic rods, 4 preparation assemblies, 401 telescopic cylinder pieces, 402 fixing brackets, 403 winding wheel sets, 404 auxiliary guide wheels, 5 sample carriers, 501 fixing supports, 502 rotating motors, 503 supporting shaft pieces, 6 tooling supports, 7 extraction head bases, 701 collecting sleeves, 702 drainage branch pipes, 703 inner flow guiding pieces, 704 connecting ring pieces, 705 outer flexible laminating pieces, 706 built-in layer pieces, 8 membrane air extrusion devices, 801 arc-shaped guide frames, 802 connecting brackets, 803 sliding supports, 804 guiding wheels and 805 reset springs.
Detailed Description
Referring to fig. 1, the present invention provides a technical solution: a specimen preparation device for medical examination comprises a preparation workbench 1, a mounting bracket 2, a specimen carrier 5, a specimen extraction assembly 3, a preparation assembly 4 and a tool support 6, wherein the mounting bracket 2 is vertically fixed on one side of the upper end face of the preparation workbench 1, the cross section of the mounting bracket 2 is of an inverted L-shaped structure, friction bottom pieces for supporting and fixing are symmetrically arranged on the lower end face of the preparation workbench 1, and the specimen extraction assembly 3 and the preparation assembly 4 are arranged on the mounting bracket 2;
a plurality of sample carriers 5 are mounted on the upper end face of the preparation common workbench 1, different prepared samples are stored in each sample carrier 5, the sample extraction assembly 3 is positioned above the sample carriers 5, and samples of the prepared samples are quantitatively extracted from the sample carriers 5;
a tool support 6 is installed on one side of the upper end face of the preparation workbench 1, a specimen body part is fixed on the tool support 6, the specimen body part bears and stores an extracted specimen after the sample extraction assembly 3 finishes extraction, and the preparation assembly 4 prepares the extracted specimen into a sample specimen.
Referring to fig. 2, in this embodiment, an auxiliary supporting member 201 is fixed on the mounting bracket 2 through a locking screw, and a connecting strut 203 is vertically fixed in the auxiliary supporting member 201 through a bearing and capable of rotating relatively;
a rotary seat 204 is fixed on the mounting bracket 2, one end of the connecting support rod 203 extends into the rotary seat 204, a built-in motor is arranged in the rotary seat 204, and the output end of the built-in motor is fixed with one end of the connecting support rod 203 and drives the connecting support rod 203 to do directional circular motion;
the lower end of the connecting support rod 203 is transversely provided with a bearing transverse plate 202, and the sample extraction assembly 3 and the preparation assembly 4 vertically penetrate and are fixed at the positions of two sides of the bearing transverse plate 202 respectively
In this embodiment, a fixed support 501 is installed on the preparation workbench 1, the sample carriers 5 are circumferentially arranged on the fixed support 501, and a support shaft 503 is vertically fixed on a lower end surface of the fixed support 501 and is relatively rotatably installed on the preparation workbench 1 through the support shaft 503;
the preparation workbench 1 is internally provided with a rotating motor 502, the output end of the rotating motor 502 is connected with the supporting shaft part 503 for transmission through gear meshing, and here, in order to prevent residues in the sample extraction assembly during sample extraction, a cleaning water bearing vessel (not shown in the figure) can be arranged between adjacent sample bearings, so that the sample extraction assembly can be cleaned in time after primary extraction is completed, extraction work is performed after the cleaning work is completed, and the sample extraction unicity is ensured.
Referring to fig. 3, in this embodiment, the sample extraction assembly 3 includes a bearing specimen 301, a sealing piston 302, a sliding guide sleeve, a connection shaft sleeve 303, and an extraction head seat 7, where the sealing piston 302 is disposed in the bearing specimen 301 and can slide up and down relatively, and the connection shaft sleeve 303 is vertically fixed in the middle of the upper end surface of the sealing piston 302;
a sliding guide sleeve is arranged on the upper side inside the bearing test piece 301, and one end of the connecting shaft sleeve 303 extends into the sliding guide sleeve and slides in a limiting manner along the sliding guide sleeve;
a threaded support member 305 is coaxially arranged in the sliding guide sleeve in a relatively rotatable manner, a driving motor 304 is installed in the bearing test piece 301, the output end of the driving motor 304 is fixed with one end of the threaded support member 305, and the threaded support member 305 is connected with the connecting shaft sleeve 303 for transmission through a threaded engagement effect and drives the sealing piston 302 to perform extraction work;
the lower end face of the bearing test piece 301 is provided with an extraction headstock 7, the extraction headstock 7 extends into the sample carrier 5 for quantitative extraction, and the sealing piston is stably driven by the thread meshing transmission of the thread support piece to slide up and down and discharge pressure, so that the extraction working stability is ensured, and the air current phenomenon is prevented.
In this embodiment, a guide external member 306 vertically penetrates through the bearing transverse plate 202, a plurality of electric telescopic rods 307 are symmetrically arranged in the guide external member 306, an output end of each electric telescopic rod 307 is hinged to one end of the bearing test piece 301, and the bearing test piece 301 is driven to vertically or obliquely extract through the vertical telescopic action of the electric telescopic rod, in particular, for some samples which are easy to stack and fuse, lateral branches can be generated in extraction, at this time, the bearing test piece is in an oblique state preferentially, and extraction is performed from one side of the liquid level edge to the middle, so that the extraction integrity is ensured.
Referring to fig. 4, in the embodiment, the extraction head base 7 includes a collecting sleeve 701, a drainage branch pipe 702, an inner flow guide part 703, an outer flexible layer-attached part 705, a built-in layer part 706, and a connection ring part 704, wherein the drainage branch pipe 702 is hermetically connected to the inside of the collecting sleeve 701, and a circular cavity for installing the inner flow guide part 703 is formed in the drainage branch pipe 702;
one end of the inner flow guide part 703 extends into the flow collecting sleeve 701 and slides up and down along the flow collecting sleeve 701 in a limiting manner, and the cross section of one end of the inner flow guide part 703 extending into the drainage branch pipe 702 is of a circular structure;
the inner flow guide part 703 is sleeved with a connecting ring part 704, built-in springs are symmetrically arranged on two sides of the connecting ring part 704, and the inner flow guide part 703 partially plugs the drainage branch pipe 702 in a general state under the action of the elastic force of the springs;
the lower end surface of the inner flow guide part 703 is provided with an inner layer part 706, and the cross section of the inner layer part 706 is of a splayed structure;
and, an outer flexible coating part 705 is installed on the drainage branch pipe 702, and the inner wall of the cross section of the outer flexible coating part 705 is of an arc structure.
Referring to fig. 5, in the present embodiment, the preparation assembly 4 includes a telescopic cylinder 401, a fixing bracket 402, a rolling wheel set 403, an auxiliary guide wheel 404, and a membrane air extrusion device 8, wherein the telescopic cylinder 401 is vertically fixed on the bearing transverse plate 202, and the fixing bracket 402 is installed at an output end of the telescopic cylinder 401;
two sides of the fixed support 402 are symmetrically provided with rolling wheel sets 403 which can rotate relatively, a covering film layer is rolled between the rolling wheel sets 403, and the specimen trunk part is covered by the covering film layer completely;
therefore, the lower end surface of the fixed bracket 402 is also provided with a membrane air extrusion device 8, and the membrane air extrusion device 8 extrudes the membrane air to two sides from the middle part when the covering membrane layer initially contacts the sample trunk piece, and discharges residual air bubbles in the membrane layer in time.
Referring to fig. 6, in this embodiment, the film air compressing apparatus 8 further includes an arc-shaped guide frame 801, a connecting bracket 802, a sliding support 803, a return spring 805, and a cutting blade 806, the lower end surface of the fixing bracket 402 is mounted with the arc-shaped guide frame 801, the connecting bracket 802 is fixed on the arc-shaped guide frame 801, and the sliding support 803 is vertically arranged on the connecting bracket 802 in a relatively slidable manner;
one end of the sliding pillar 803 is provided with a guide wheel 804 which can rotate relatively, and the guide wheel 804 slides along the arc-shaped guide frame 801;
the connecting bracket 802 is also symmetrically provided with return springs 805, and the return springs 805 act on the middle part of the arc-shaped guide frame 801 in a general state through air elasticity to locally arrange the sliding support 803;
and, the end side wall of the connecting bracket 802 is also provided with a cutting knife 806.
Specifically, when carrying out sample preparation to liquid such as blood, urine in the medical science inspection, through the sample loader with a plurality of load-bearing samples circumference row in proper order establish on fixing support, carry out the order extraction to it respectively through sample extraction subassembly, and will put in the sample on the body piece of sample by the preparation subassembly and seal the cover through the covering rete, thereby realize sample preparation, wherein, when preparing, still can be through membrane gas extrusion device and extrude it to both sides by the middle part when the body piece of covering rete initial contact sample, and in time discharge the intraformational residual bubble of rete, thereby improve sample preparation quality.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the inventive concept within the technical scope of the present invention, and the technical solution and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a sample preparation equipment for medical examination, its includes preparation workstation (1), installing support (2), sample loader (5), sample extraction subassembly (3), preparation subassembly (4) and frock support (6), wherein, the vertical installing support (2) that is fixed with in up end one side of preparation workstation (1), the transversal L font structure of personally submitting of installing support (2), just the lower terminal surface symmetry of preparation workstation (1) is provided with and is used for supporting fixed friction end spare, its characterized in that: the mounting bracket (2) is provided with a sample extraction assembly (3) and a preparation assembly (4);
a plurality of sample carriers (5) are mounted on the upper end face of the preparation common workbench (1), different prepared samples are stored in each sample carrier (5), the sample extraction assembly (3) is positioned above the sample carriers (5), and samples of the prepared samples are quantitatively extracted from the sample carriers (5);
a tool support (6) is installed on one side of the upper end face of the preparation workbench (1), a specimen body piece is fixed on the tool support (6), the specimen body piece bears and stores an extracted specimen after the sample extraction assembly (3) finishes extraction, and the extracted specimen is prepared into a sample specimen by the preparation assembly (4);
an auxiliary supporting piece (201) is fixed on the mounting bracket (2) through a locking screw piece, and a connecting support rod (203) is vertically fixed in the auxiliary supporting piece (201) through a bearing in a relatively rotatable manner;
a rotary seat (204) is fixed on the mounting bracket (2), one end of the connecting support rod (203) extends into the rotary seat (204), a built-in motor is arranged in the rotary seat (204), and the output end of the built-in motor is fixed with one end of the connecting support rod (203) and drives the connecting support rod (203) to do directional circular motion;
a bearing transverse plate (202) is transversely installed at the lower end of the connecting support rod (203), and the sample extraction assembly (3) and the preparation assembly (4) vertically penetrate and are fixed at the positions of the two sides of the bearing transverse plate (202) respectively;
the sample extraction assembly (3) comprises a bearing test piece (301), a sealing piston (302), a sliding guide sleeve, a connecting shaft sleeve (303) and an extraction head seat (7), wherein the sealing piston (302) is arranged in the bearing test piece (301) in a relatively up-and-down sliding mode, and the connecting shaft sleeve (303) is vertically fixed in the middle of the upper end face of the sealing piston (302);
a sliding guide sleeve is arranged on the upper side inside the bearing test piece (301), and one end of the connecting shaft sleeve (303) extends into the sliding guide sleeve and slides along the sliding guide sleeve in a limiting manner;
a thread support piece (305) is coaxially arranged in the sliding guide sleeve in a relatively rotatable manner, a driving motor (304) is installed in the bearing test piece (301), the output end of the driving motor (304) is fixed with one end of the thread support piece (305), the thread support piece (305) is connected with the connecting shaft sleeve (303) for transmission through a thread meshing effect, and the sealing piston (302) is driven to perform pumping and extraction work;
an extraction headstock (7) is installed on the lower end face of the bearing test piece (301), and the extraction headstock (7) penetrates into the sample carrier (5) to conduct quantitative extraction.
2. The specimen preparation apparatus for medical examination according to claim 1, wherein: the preparation workbench (1) is provided with fixed supports (501), the sample carriers (5) are circumferentially arranged on the fixed supports (501), and the lower end face of each fixed support (501) is vertically fixed with a supporting shaft piece (503) and can be arranged on the preparation workbench (1) in a relatively rotating manner through the supporting shaft piece (503);
a rotating motor (502) is installed in the preparation workbench (1), and the output end of the rotating motor (502) is connected with the supporting shaft piece (503) for transmission through a gear meshing effect.
3. The specimen preparation apparatus for medical examination according to claim 1, wherein: the bearing transverse plate (202) is vertically provided with a guide kit (306) in a penetrating mode, a plurality of electric telescopic rods (307) are symmetrically arranged in the guide kit (306), the output end of each electric telescopic rod (307) is hinged to one end of the bearing test piece (301) respectively, and the bearing test piece (301) is driven to be extracted vertically or obliquely through the vertical telescopic effect of the electric telescopic rods.
4. The specimen preparation apparatus for medical examination according to claim 1, wherein: the extraction head seat (7) comprises a collecting sleeve (701), a drainage branch pipe (702), an inner flow guide piece (703), an outer flexible layer piece (705), a built-in layer piece (706) and a connecting ring piece (704), wherein the drainage branch pipe (702) is connected in the collecting sleeve (701) in a sealing mode, and a circular cavity used for installing the inner flow guide piece (703) is formed in the drainage branch pipe (702);
one end of the inner flow guide piece (703) extends into the flow collecting sleeve (701) and slides up and down along the flow collecting sleeve (701) in a limiting manner, and the cross section of one end of the inner flow guide piece (703) extending into the drainage branch pipe (702) is of a circular structure;
the inner flow guide part (703) is sleeved with a connecting ring piece (704), built-in springs are symmetrically arranged on two sides of the connecting ring piece (704), and the inner flow guide part (703) partially plugs the drainage branch pipe (702) under the action of the elastic force of the springs in a general state;
the lower end face of the inner flow guide part (703) is provided with an inner layer part (706), and the cross section of the inner layer part (706) is of a splayed structure;
and an outer flexible coating piece (705) is arranged on the drainage branch pipe (702), and the inner wall of the cross section of the outer flexible coating piece (705) is of an arc-shaped structure.
5. The specimen preparation apparatus for medical examination according to claim 1, wherein: the preparation assembly (4) comprises a telescopic cylinder piece (401), a fixing support (402), a rolling wheel set (403), an auxiliary guide wheel (404) and a membrane air extrusion device (8), wherein the telescopic cylinder piece (401) is vertically fixed on the bearing transverse plate (202), and the fixing support (402) is installed at the output end of the telescopic cylinder piece (401);
two sides of the fixed support (402) are symmetrically provided with rolling wheel sets (403) which can rotate relatively, a covering film layer is rolled between the rolling wheel sets (403), and the specimen trunk is covered by the covering film layer completely;
auxiliary guide wheels (404) are symmetrically arranged on two sides of the lower end face of the fixing support (402), and the auxiliary guide wheels (404) guide the turning of the covering film layer and enable the covering film layer to be always in a tense state in the preparation process of the specimen;
therefore, the lower end face of the fixed support (402) is also provided with a membrane air extrusion device (8), and the membrane air extrusion device (8) extrudes the membrane air to two sides from the middle part when the covering membrane layer initially contacts the sample body piece, and discharges residual air bubbles in the membrane layer in time.
6. The specimen preparation apparatus for medical examination according to claim 5, wherein: the membrane air extrusion device (8) further comprises an arc-shaped guide frame (801), a connecting support (802), a sliding support column (803), a return spring (805) and a cutting knife piece (806), the lower end face of the fixed support (402) is provided with the arc-shaped guide frame (801), the connecting support (802) is fixed on the arc-shaped guide frame (801), and the sliding support column (803) is vertically arranged on the connecting support (802) in a relatively sliding manner;
one end of the sliding support column (803) is provided with a guide wheel (804) which can rotate relatively, and the guide wheel (804) slides along the arc-shaped guide frame (801);
the connecting support (802) is also symmetrically provided with return springs (805), and the return springs (805) locally arrange the sliding support (803) in the middle of the arc-shaped guide frame (801) under the action of air elasticity;
and the end surface side wall of the connecting bracket (802) is also provided with a cutting knife piece (806).
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| CN207184934U (en) * | 2017-08-24 | 2018-04-03 | 深圳市品兴泰科技有限公司 | A kind of FPC covering film device |
| CN107806988A (en) * | 2017-10-19 | 2018-03-16 | 浙江金盾科技股份有限公司 | A kind of holdback automatic performance testing machine |
| CN209432556U (en) * | 2019-01-03 | 2019-09-24 | 山西卫生健康职业学院 | A kind of clinical medical inspection smear device |
| CN211504918U (en) * | 2020-01-14 | 2020-09-15 | 贵州省人民医院 | Clinical laboratory is with inspection sample making devices |
| CN111389132A (en) * | 2020-04-26 | 2020-07-10 | 罗林峰 | Coal bed gas exploitation filtration treatment equipment |
| CN111781017A (en) * | 2020-06-19 | 2020-10-16 | 江苏食品药品职业技术学院 | Food safety automatic monitoring early warning device |
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