CN112697552B - Smear device for clinical examination - Google Patents
Smear device for clinical examination Download PDFInfo
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- CN112697552B CN112697552B CN202011429151.0A CN202011429151A CN112697552B CN 112697552 B CN112697552 B CN 112697552B CN 202011429151 A CN202011429151 A CN 202011429151A CN 112697552 B CN112697552 B CN 112697552B
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- G—PHYSICS
- 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
- G01N1/2813—Producing thin layers of samples on a substrate, e.g. smearing, spinning-on
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Abstract
The invention provides a smear device for clinical examination. The smear device for clinical examination comprises a cylinder body; sealing the cover; the discharging structure comprises an inner cylinder, a cotton stick cylinder, a feeding hole, a cotton stick and a discharging hole; the pushing structure comprises a push rod, a connecting rod, a second spring and a cotton stick groove; putting into a barrel; a restriction structure including a baffle, a restriction hole, and a connection pipe; the fixing structure comprises a tightening pipe, a push block, a fixing clamp and a third spring; a barrier structure. The smear device for clinical examination provided by the invention has the advantages of no blood sample pollution and convenience in dipping the sample in the test tube.
Description
Technical Field
The invention relates to the technical field of clinical examination, in particular to a smear device for clinical examination.
Background
At present when clinical blood sample inspection that carries out, the inspection personnel use the cotton swab to dip in from the test tube and get the sample usually, then smear on the slide glass, dip in and get the in-process and do not have professional instrument and grip the cotton swab, pollute the sample very easily like this, influence the accuracy of sample detection, lead to the sample to use even, still need to gather the sample again, waste time and energy.
Therefore, there is a need for a new smear device for clinical examination to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problem, the invention provides the smear device for clinical examination, which does not pollute blood samples and is convenient for dipping the samples in test tubes.
The smear device for clinical examination provided by the invention comprises: a barrel; the sealing cover is in threaded connection with the top surface of the barrel; the discharging structure is rotatably connected to the inside of the barrel and comprises an inner barrel, a cotton stick barrel, a feeding hole, cotton sticks and a discharging hole, the inner barrel is rotatably connected to the inside of the barrel, the cotton stick barrel is fixed to the outer wall of the inner barrel, the feeding hole is formed in the top surface of the cotton stick barrel, the cotton sticks are placed in the cotton stick barrel, and the discharging hole is formed in the bottom end of one cotton stick barrel; the pushing structure is connected to the inner barrel and the inner barrel in a sliding mode and comprises a push rod, a connecting rod, a second spring and a cotton stick groove, the push rod is connected to the sealing cover and the inner barrel in a sliding mode, the top end of the connecting rod is fixed to the bottom end of the push rod and is connected to the inner barrel in a sliding mode, the second spring is sleeved on the side wall of the connecting rod, the top end of the second spring abuts against the bottom face of the push rod, the top end of the cotton stick groove is fixed to the bottom end of the connecting rod, and the cotton stick groove is connected to the inner barrel in a sliding mode; the inner feeding cylinder is arranged on the bottom surface of the cylinder body and is communicated with the inside of the cylinder body; the limiting structure is fixed on the inner wall of the cylinder body and comprises baffle plates, limiting holes and a connecting pipe, the baffle plates are fixed on the inner wall of the cylinder body, the top surfaces of the baffle plates are abutted against the bottom surface of the cotton rod cylinder, the bottom end of the second spring is abutted against the top surfaces of the baffle plates, one limiting hole penetrates through the baffle plates and is communicated with the discharge hole, the top end of the connecting pipe is communicated with the bottom end of the limiting hole, the bottom end of the connecting pipe is communicated with the inside of the cotton rod groove, and the bottom end of the connecting pipe is in sliding connection with the side wall of the cotton rod groove; the fixing structure is arranged on the side wall of the cotton stick groove and comprises a tightening pipe, a pushing block, a fixing clamp and a third spring, the tightening pipe is arranged on the inner wall of the bottom end of the cylinder body, the pushing block is arranged on the side wall of the cotton stick groove, the top end of the pushing block abuts against the tightening pipe, the fixing clamp is fixed at the bottom end of the pushing block and abuts against the cotton stick, the third spring is sleeved on the side wall of the pushing block, one end of the third spring abuts against the pushing block, and the other end of the third spring abuts against the side wall of the cotton stick groove; the blocking structure is rotatably connected to the bottom end of the barrel.
Preferably, the cotton swab cylinder is rotatably connected to the inside of the cylinder body, and the outer diameter of the cotton swab cylinder is equal to the inner diameter of the cylinder body.
Preferably, the discharging structure further comprises a first spring and a damping block, the first spring is mounted inside the top surface of the cotton rod cylinder, the damping block is connected inside the top surface of the cotton rod cylinder in a sliding manner, and the bottom surface of the damping block is fixed at one end of the first spring.
Preferably, the inner wall of the top end of the cylinder body is provided with damping teeth, and the damping teeth are abutted to the damping blocks.
Preferably, the number of the cotton swab cylinders is equal to the number of the feed holes and the number of the damping teeth, and each cotton swab is correspondingly placed in one cotton swab cylinder.
Preferably, the blocking structure comprises a blocking door and a torsion spring, the blocking door is rotatably connected with the inner wall of the bottom end of the barrel, one end of the torsion spring is inserted into the bottom end of the barrel, and the other end of the torsion spring is inserted into the blocking door.
Compared with the related art, the smear device for clinical examination provided by the invention has the following beneficial effects:
the invention provides a smear device for clinical examination, which is characterized in that cotton sticks are independently placed by using a cotton stick cylinder, then the cotton sticks are sequentially placed in a cotton stick groove by rotating an inner cylinder, then the cotton sticks in the cotton stick groove are pushed into a test tube by pressing a push rod to dip a blood sample, limbs do not need to directly contact the blood sample in the whole process, and the pollution of the blood sample is avoided fundamentally.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of a smear device for clinical examination provided by the present invention;
FIG. 2 is a schematic cross-sectional view of the cartridge shown in FIG. 1;
FIG. 3 is a schematic structural view of the discharge structure shown in FIG. 2;
FIG. 4 is an enlarged schematic view of area A shown in FIG. 2;
fig. 5 is an enlarged schematic view of the region B shown in fig. 2.
Reference numbers in the figures: 1. the device comprises a cylinder body, 2, a sealing cover, 3, a discharging structure, 31, an inner cylinder, 32, a cotton rod cylinder, 33, a feeding hole, 34, a cotton rod, 35, a discharging hole, 36, a first spring, 37, a damping block, 4, a pushing structure, 41, a push rod, 42, a connecting rod, 43, a second spring, 44, a cotton rod groove, 5, an inner cylinder, 6, a damping tooth, 7, a limiting structure, 71, a baffle, 72, a limiting hole, 73, a connecting pipe, 8, a fixing structure, 81, a tightening pipe, 82, a push block, 83, a fixing clamp, 84, a third spring, 9, a blocking structure, 91, a blocking door, 92 and a torsion spring.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, wherein fig. 1 is a schematic structural view of a preferred embodiment of a smear device for clinical examinations according to the present invention; FIG. 2 is a schematic cross-sectional view of the cartridge shown in FIG. 1; FIG. 3 is a schematic structural view of the discharge structure shown in FIG. 2; FIG. 4 is an enlarged schematic view of area A shown in FIG. 2; fig. 5 is an enlarged schematic view of the region B shown in fig. 2. The smear device for clinical examination includes: a cylinder body 1; the sealing cover 2 is in threaded connection with the top surface of the barrel 1; the discharging structure 3 is rotatably connected inside the barrel body 1, the discharging structure 3 comprises an inner barrel 31, a cotton swab barrel 32, a feeding hole 33, cotton swabs 34 and a discharging hole 35, the inner barrel 31 is rotatably connected inside the barrel body 1, the cotton swab barrel 32 is fixed on the outer wall of the inner barrel 31, the feeding hole 33 is formed in the top surface of the cotton swab barrel 32, the cotton swab 34 is placed inside the cotton swab barrel 32, and the discharging hole 35 is formed in the bottom end of one of the cotton swab barrels 32; the pushing structure 4 is slidably connected to the inner cylinder 31 and the inner cylinder 1, the pushing structure 4 includes a push rod 41, a connecting rod 42, a second spring 43 and a cotton swab groove 44, the push rod 41 is slidably connected to the inside of the sealing cover 2 and the inner cylinder 31, the top end of the connecting rod 42 is fixed to the bottom end of the push rod 41, the connecting rod 42 is slidably connected to the inside of the inner cylinder 31, the second spring 43 is sleeved on the side wall of the connecting rod 42, the top end of the second spring 43 abuts against the bottom surface of the push rod 41, the top end of the cotton swab groove 44 is fixed to the bottom end of the connecting rod 42, and the cotton swab groove 44 is slidably connected to the inside of the inner cylinder 1; the inner cylinder 5 is arranged on the bottom surface of the cylinder body 1, and the inner cylinder 5 is communicated with the inside of the cylinder body 1; the limiting structure 7 is fixed on the inner wall of the cylinder 1, the limiting structure 7 comprises baffles 71, limiting holes 72 and connecting pipes 73, the baffles 71 are fixed on the inner wall of the cylinder 1, the top surfaces of the baffles 71 abut against the bottom surface of the cotton stick cylinder 32, the bottom ends of the second springs 43 abut against the top surfaces of the baffles 71, one limiting hole 72 penetrates through the baffle 71, the limiting hole 72 is communicated with the discharge hole 35, the top end of the connecting pipe 73 is communicated with the bottom end of the limiting hole 72, the bottom end of the connecting pipe 73 is communicated with the inside of the cotton stick groove 44, and the bottom end of the connecting pipe 73 is slidably connected with the side wall of the cotton stick groove 44; the fixing structure 8 is mounted on the side wall of the cotton stick groove 44, the fixing structure 8 comprises a tightening pipe 81, a pushing block 82, a fixing clamp 83 and a third spring 84, the tightening pipe 81 is arranged on the inner wall of the bottom end of the barrel body 1, the pushing block 82 is mounted on the side wall of the cotton stick groove 44, the top end of the pushing block 82 abuts against the tightening pipe 81, the fixing clamp 83 is fixed at the bottom end of the pushing block 82, the fixing clamp 83 abuts against the cotton stick 34, the third spring 84 is sleeved on the side wall of the pushing block 82, one end of the third spring 84 abuts against the pushing block 82, and the other end abuts against the side wall of the cotton stick groove 44; and the blocking structure 9 is rotatably connected to the bottom end of the barrel body 1.
In the specific implementation process, as shown in fig. 2, the cotton swab cylinder 32 is rotatably connected to the inside of the cylinder body 1, and the outer diameter of the cotton swab cylinder 32 is equal to the inner diameter of the cylinder body 1, in order to improve the stability of the discharging structure 3.
In a specific implementation process, as shown in fig. 3, the discharging structure 3 further includes a first spring 36 and a damping block 37, the first spring 36 is installed inside the top surface of the cotton swab cylinder 32, the damping block 37 is slidably connected inside the top surface of the cotton swab cylinder 32, and the bottom surface of the damping block 37 is fixed to one end of the first spring 36, so that a user can clearly know that the discharging hole 35 is communicated with the limiting hole 72 in a process of switching the next cotton swab cylinder 32.
In a specific implementation process, as shown in fig. 2 and 3, the inner wall of the top end of the cylinder body 1 is provided with a damping tooth 6, the damping tooth 6 abuts against the damping block 37, and in order to cooperate with the damping block 37, a user can feel a proper resistance when rotating the inner cylinder 31, so as to remind the user that the discharge hole 35 is communicated with the limiting hole 72.
In the specific implementation process, as shown in fig. 2 and 3, the number of the cotton swab cylinders 32 is equal to the number of the feed holes 33 and the number of the damping teeth 6, so that each time the damping block 37 collides with the damping teeth 6, it means that the discharge hole 35 at the bottom end of one of the cotton swab cylinders 32 is communicated with the limiting hole 72, and the cotton swab 34 inside the cotton swab cylinder falls through the discharge hole 35 and the limiting hole 72 and slides into the cotton swab groove 44 from the connecting pipe 73; each cotton swab 34 is correspondingly placed in one cotton swab cylinder 32, and in order to ensure that one cotton swab 34 falls off each time the discharge hole 35 is communicated with the limiting hole 72.
In a specific implementation process, as shown in fig. 2 and 5, the blocking structure 9 includes a blocking door 91 and a torsion spring 92, the blocking door 91 is rotatably connected to the inner wall of the bottom end of the cylinder 1, one end of the torsion spring 92 is inserted into the bottom end of the cylinder 1, and the other end of the torsion spring 92 is inserted into the blocking door 91, so as to prevent the swab 34 sliding into the swab slot 44 from falling out, and the swab slot 44 is opened only when the bottom end of the swab slot 44 abuts against the blocking door 91.
The smear device for clinical examination provided by the invention has the following working principle:
firstly, the cover 2 is rotated and pulled upwards, the cover 2 leaves the top end of the barrel 1, slides upwards along the push rod 41, the feed holes 33 are exposed, the top ends of the cotton sticks 34 are put downwards and one by one through each feed hole 33 into the corresponding cotton stick barrel 32, the cotton sticks 34 in the cotton stick barrel 32 corresponding to the discharge holes 35 communicated with the limiting holes 72 slide into the connecting pipe 73 through the discharge holes 35 and the limiting holes 72, then enter the cotton stick groove 44 from the side wall of the cotton stick groove 44, the bottom ends of the cotton sticks 34 abut against the top surface of the blocking door 91, then the cover 2 is put down and rotated, so that the cover 2 is in threaded connection with the barrel 1, the cover 2 seals the top end of the discharge structure 3, then the barrel 1 is held, the inner tube 5 at the bottom end of the barrel 1 is inserted into a test tube opening, the outer wall of the inner tube 5 abuts against the inner wall of the test tube, the push rod 41 is pressed, the push rod 41 slides in the inner tube 31 to push the connecting rod 42 to slide downwards, the bottom end of the push rod 41 compresses the second spring 43, the connecting rod 42 pushes the cotton bar groove 44 to slide downwards, the four push blocks 82 on the outer wall of the cotton bar groove 44 abut against the tightening tube 81, the tightening tube 81 enables the push blocks 82 to slide in the cotton bar groove 44 to drive the four fixing clamps 83 to slide in the cotton bar groove 44 simultaneously, the push blocks 82 extrude the third spring 84, the fixing clamps 83 clamp the cotton bar 34, so that the cotton bar 34 cannot fall off, then along with the sliding of the cotton bar groove 44, the bottom end of the cotton bar groove 44 pushes the blocking door 91 to open the blocking door 91, the torsion spring 92 is compressed, the cotton stick groove 44 slides out of the inner input cylinder 5, the cotton stick 34 is sent into a test tube to dip blood samples, and finally, the subsequent operation is carried out; after the process is finished, the cotton swab is directly pulled out, then the push rod 41 is released, the push rod 41 slides upwards under the action of the second spring 43 until the second spring 43 is reset, the connecting rod 42 and the cotton swab groove 44 slide together with the push rod 41, so that the connecting rod 42 and the cotton swab groove 44 return to the initial position, the push block 82 also slides upwards along with the cotton swab groove 44, the push block 82 slides out from the top end of the tightening pipe 81, then the push block 82 is popped out under the action of the third spring 84, the fixing clamp 83 is driven to slide towards the side wall of the cotton swab groove 44, the fixing clamp 83 is retracted, and the bottom end of the connecting pipe 73 is communicated with the side wall of the cotton swab groove 44 again; when the cotton swab box is used next time, the top end of the inner cylinder 31 is rotated, the inner cylinder 31 drives the cotton swab box 32 to rotate in the box body 1, the inner cylinder 31 drives the damping block 37 to rotate, when the damping block 37 abuts against the next damping tooth 6, the damping block 37 compresses the first spring 36, at this time, the discharge hole 35 at the bottom end of the next cotton swab box 32 is communicated with the limiting hole 72 on the baffle 71, the cotton swab 34 in the cotton swab box 32 slides into the connecting pipe 73 through the discharge hole 35 and the limiting hole 72, then enters the cotton swab groove 44, the top end of the cotton swab 34 abuts against the top surface of the blocking door 91, and the push rod 41 can be directly pressed for use next time.
Compared with the related art, the smear device for clinical examination provided by the invention has the following beneficial effects:
the invention provides a smear device for clinical examination, which is characterized in that cotton sticks 34 are independently placed by using a cotton stick cylinder 32, then the cotton sticks 34 are sequentially placed into a cotton stick groove 44 by rotating an inner cylinder 31, then the cotton sticks 34 in the cotton stick groove 44 are pushed into a test tube by pressing a push rod 41, blood samples are dipped, limbs do not need to directly contact the blood samples in the whole process, and the pollution of the blood samples cannot be caused.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (6)
1. A smear device for clinical examination, comprising:
a cylinder (1);
the sealing cover (2), the sealing cover (2) is in threaded connection with the top surface of the barrel body (1);
the discharging structure (3) is rotatably connected inside the barrel body (1), the discharging structure (3) comprises an inner barrel (31), a cotton stick barrel (32), a feeding hole (33), a cotton stick (34) and a discharging hole (35), the inner barrel (31) is rotatably connected inside the barrel body (1), the cotton stick barrel (32) is fixed on the outer wall of the inner barrel (31), the feeding hole (33) is formed in the top surface of the cotton stick barrel (32), the cotton stick (34) is placed inside the cotton stick barrel (32), and the discharging hole (35) is formed in the bottom end of the cotton stick barrel (32);
the pushing structure (4) is connected to the inner barrel (31) and the inner portion of the barrel body (1) in a sliding manner, the pushing structure (4) comprises a push rod (41), a connecting rod (42), a second spring (43) and a cotton stick groove (44), the push rod (41) is connected to the sealing cover (2) and the inner barrel (31) in a sliding manner, the top end of the connecting rod (42) is fixed to the bottom end of the push rod (41), the connecting rod (42) is connected to the inner portion of the inner barrel (31) in a sliding manner, the second spring (43) is sleeved on the side wall of the connecting rod (42), the top end of the second spring (43) abuts against the bottom surface of the push rod (41), the top end of the cotton stick groove (44) is fixed to the bottom end of the connecting rod (42), and the cotton stick groove (44) is connected to the inner portion of the barrel body (1) in a sliding manner;
the inner cylinder (5) is arranged on the bottom surface of the cylinder body (1), and the inner cylinder (5) is communicated with the inside of the cylinder body (1);
the limiting structure (7) is fixed on the inner wall of the barrel body (1), the limiting structure (7) comprises baffle plates (71), limiting holes (72) and connecting pipes (73), the baffle plates (71) are fixed on the inner wall of the barrel body (1), the top surfaces of the baffle plates (71) abut against the bottom surface of the cotton rod barrel (32), the bottom ends of the second springs (43) abut against the top surfaces of the baffle plates (71), one limiting hole (72) penetrates through the baffle plate (71), the limiting hole (72) is communicated with the discharge hole (35), the top end of each connecting pipe (73) is communicated with the bottom end of each limiting hole (72), the bottom end of each connecting pipe (73) is communicated with the inside of the cotton rod groove (44), and the bottom end of each connecting pipe (73) is connected with the side wall of the cotton rod groove (44) in a sliding mode;
the fixing structure (8) comprises a tightening pipe (81), a push block (82), a fixing clamp (83) and a third spring (84), the tightening pipe (81) is arranged on the inner wall of the bottom end of the barrel body (1), the push block (82) is installed on the side wall of the cotton stick groove (44), the top end of the push block (82) abuts against the tightening pipe (81), the fixing clamp (83) is fixed at the bottom end of the push block (82), the fixing clamp (83) abuts against the cotton stick (34), the third spring (84) is sleeved on the side wall of the push block (82), one end of the third spring (84) abuts against the push block (82), and the other end of the third spring abuts against the side wall of the cotton stick groove (44);
the blocking structure (9), the blocking structure (9) rotate connect in the bottom of barrel (1).
2. The clinical smear machine according to claim 1 wherein the cotton swab cylinder (32) is connected to the inside of the cylinder (1) in a rotating way, and the outer diameter of the cotton swab cylinder (32) is equal to the inner diameter of the cylinder (1).
3. The clinical laboratory smear machine according to claim 1 wherein the discharging structure (3) further comprises a first spring (36) and a damping block (37), the first spring (36) is installed inside the top surface of the cotton bar cylinder (32), the damping block (37) is slidably connected inside the top surface of the cotton bar cylinder (32), and the bottom surface of the damping block (37) is fixed at one end of the first spring (36).
4. The clinical smear machine according to claim 3, wherein the top inner wall of the cylinder (1) is provided with a damping tooth (6), and the damping tooth (6) is interfered with the damping block (37).
5. A smear device for clinical examination according to claim 4 wherein the number of said swab tubes (32) is equal to the number of said feed holes (33) and the number of said damping teeth (6) and each of said cotton swab (34) is placed in a corresponding one of said swab tubes (32).
6. The smear machine for clinical examination according to claim 1, wherein the blocking structure (9) comprises a blocking door (91) and a torsion spring (92), the blocking door (91) is rotatably connected with the bottom end inner wall of the barrel body (1), one end of the torsion spring (92) is inserted into the bottom end inner part of the barrel body (1), and the other end is inserted into the blocking door (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011429151.0A CN112697552B (en) | 2020-12-09 | 2020-12-09 | Smear device for clinical examination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011429151.0A CN112697552B (en) | 2020-12-09 | 2020-12-09 | Smear device for clinical examination |
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| CN112697552A CN112697552A (en) | 2021-04-23 |
| CN112697552B true CN112697552B (en) | 2023-02-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102466581A (en) * | 2010-11-09 | 2012-05-23 | 艾博生物医药(杭州)有限公司 | Device |
| JP6192196B1 (en) * | 2016-03-15 | 2017-09-06 | 積水メディカル株式会社 | Inspection container and inspection method using the same |
| CN107233660A (en) * | 2016-12-14 | 2017-10-10 | 桐乡风腾专利运营有限公司 | A kind of modified beauty sanitary cotton swab |
| CN108535072A (en) * | 2018-06-16 | 2018-09-14 | 宋金鸿 | Gynecologial examination sample processing apparatus |
| CN209220338U (en) * | 2018-08-27 | 2019-08-09 | 代丽娜 | A kind of Gynecological incretion extractor |
| CN110384523A (en) * | 2019-07-24 | 2019-10-29 | 甘肃省妇幼保健院 | A kind of endometrial biopsy antibacterial tool |
| CN209595788U (en) * | 2018-11-23 | 2019-11-08 | 兰州大学 | A kind of gynecologic sampling device |
-
2020
- 2020-12-09 CN CN202011429151.0A patent/CN112697552B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102466581A (en) * | 2010-11-09 | 2012-05-23 | 艾博生物医药(杭州)有限公司 | Device |
| JP6192196B1 (en) * | 2016-03-15 | 2017-09-06 | 積水メディカル株式会社 | Inspection container and inspection method using the same |
| CN107233660A (en) * | 2016-12-14 | 2017-10-10 | 桐乡风腾专利运营有限公司 | A kind of modified beauty sanitary cotton swab |
| CN108535072A (en) * | 2018-06-16 | 2018-09-14 | 宋金鸿 | Gynecologial examination sample processing apparatus |
| CN209220338U (en) * | 2018-08-27 | 2019-08-09 | 代丽娜 | A kind of Gynecological incretion extractor |
| CN209595788U (en) * | 2018-11-23 | 2019-11-08 | 兰州大学 | A kind of gynecologic sampling device |
| CN110384523A (en) * | 2019-07-24 | 2019-10-29 | 甘肃省妇幼保健院 | A kind of endometrial biopsy antibacterial tool |
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| CN112697552A (en) | 2021-04-23 |
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Inventor after: Wang Fang Inventor after: Zhang Kai Inventor after: Yuan Xiaogang Inventor after: Tong Chengming Inventor before: Yuan Xiaogang Inventor before: Tong Chengming |
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