CN111743549B - Hematology specialty ware of drawing blood - Google Patents

Hematology specialty ware of drawing blood Download PDF

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Publication number
CN111743549B
CN111743549B CN202010634833.9A CN202010634833A CN111743549B CN 111743549 B CN111743549 B CN 111743549B CN 202010634833 A CN202010634833 A CN 202010634833A CN 111743549 B CN111743549 B CN 111743549B
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CN
China
Prior art keywords
blood drawing
blood
sliding
tube
sliding sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202010634833.9A
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Chinese (zh)
Other versions
CN111743549A (en
Inventor
于美瑛
薛春丽
姜丽辉
其他发明人请求不公开姓名
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Yu Meiying
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Individual
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Filing date
Publication date
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Priority to CN202010634833.9A priority Critical patent/CN111743549B/en
Publication of CN111743549A publication Critical patent/CN111743549A/en
Application granted granted Critical
Publication of CN111743549B publication Critical patent/CN111743549B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
    • A61B5/150236—Pistons, i.e. cylindrical bodies that sit inside the syringe barrel, typically with an air tight seal, and slide in the barrel to create a vacuum or to expel blood
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150015—Source of blood
    • A61B5/15003—Source of blood for venous or arterial blood
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
    • A61B5/150244—Rods for actuating or driving the piston, i.e. the cylindrical body that sits inside the syringe barrel, typically with an air tight seal, and slides in the barrel to create a vacuum or to expel blood
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
    • A61B5/150259—Improved gripping, e.g. with high friction pattern or projections on the housing surface or an ergonometric shape
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Hematology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Manufacturing & Machinery (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention provides a hemospast for hematology department. The invention comprises a blood drawing tube, a blood drawing push rod and a blood drawing needle head, wherein a rubber plug is arranged at the end part of the blood drawing push rod, the periphery of the rubber plug is abutted against the inner tube wall of the blood drawing tube, the blood drawing tube also comprises a sliding sleeve and a corrugated tube sleeve, the end part of the blood drawing tube is provided with a sliding hole in a penetrating way, the sliding sleeve is arranged in the sliding hole in a sliding way, two ends of the sliding sleeve are respectively an inner end and an outer end, the inner end extends into the blood drawing tube, the inner end can be abutted against the inner tube wall of the blood drawing tube to limit the sliding sleeve to slide out of the blood drawing tube from the sliding hole, the outer end extends out of the blood drawing tube, the corrugated tube sleeve is sleeved outside the sliding sleeve; the blood drawing needle is arranged on the outer end. When not using this hemospast, the cover that slides can enter into a hemospast along the hole of sliding in, and it is downthehole that the syringe needle of drawing blood also can follow the cover that slides and enter into the sliding, and at this moment, the length of whole hemospast shortens by a wide margin, deposits the convenience height.

Description

Hematology specialty ware of drawing blood
Technical Field
The invention relates to a blood drawing tool for hematology department, in particular to a blood drawing device for hematology department.
Background
The hemospast generally comprises a hemospast and a hemospast push rod arranged in the hemospast, wherein the end part of the hemospast push rod is provided with a rubber plug, the periphery of the rubber plug is propped against the inner wall of the hemospast, and the end part of the hemospast is provided with a hemospast needle; blood can be drawn into the blood drawing tube or squeezed out of the blood drawing needle by pushing and pulling the syringe.
The existing hemospast is usually sealed and packed in a sterile bag, and a hemospast needle is also arranged at the end position of the hemospast, so that the whole hemospast is longer in length and inconvenient to store.
Disclosure of Invention
In view of the above, the present invention is directed to a hemospast, in which a blood drawing needle at an end of a blood drawing tube can slide into the blood drawing tube according to actual needs, so as to greatly shorten the length of the whole hemospast and provide high storage convenience.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a hemospast for hematology department comprises a hemospast cylinder, a hemospast push rod arranged in the hemospast cylinder, a hemospast needle head, a rubber plug arranged at the end of the hemospast push rod, a sliding sleeve and a corrugated pipe sleeve, wherein the periphery of the rubber plug is pressed against the inner wall of the hemospast cylinder, the end part of the blood drawing tube is provided with a sliding hole in a penetrating way, the sliding sleeve is arranged in the sliding hole in a sliding way, the two ends of the sliding sleeve are respectively an inner end and an outer end, the inner end extends into the blood drawing tube and can be abutted against the inner tube wall of the blood drawing tube to limit the sliding sleeve to slide out of the blood drawing tube from the sliding hole, the outer end extends out of the blood drawing tube, the corrugated tube sleeve is sleeved outside the sliding sleeve, two ends of the corrugated tube sleeve are respectively connected to the inner end and the inner tube wall of the blood drawing tube, the positioning piece is arranged on the sliding sleeve and used for positioning the sliding position of the sliding sleeve; the blood drawing needle is mounted on the outer end.
Through the technical scheme, when the hemospast is not used, the sliding sleeve can enter the hemospast barrel along the sliding hole, and the hemospast needle can also enter the sliding hole along with the sliding sleeve, so that the length of the whole hemospast is greatly shortened, and the storage convenience is high;
when needs use this hemospast, can promote the push rod of drawing blood, the rubber buffer of push rod tip of drawing blood promotes inner, draws blood syringe needle and slide set both can slide to the hemospast outside along the hole that slides, then will slide the set through the setting element and be located appointed position, at this moment, the outer end is located the hemospast outside, draws blood syringe needle and installs on the outer end, alright realization normal hemospast.
Preferably, the positioning piece comprises a positioning rod, the two ends of the positioning rod are respectively a hinged end and a positioning end, the hinged end is hinged to the side wall of the sliding sleeve, the outer cylinder wall of the blood drawing cylinder is provided with positioning teeth, and the positioning end can be inserted into the sliding position where the positioning teeth are used for positioning the sliding sleeve.
Through above-mentioned technical scheme, when needs use this hemospast, the outer end roll-off of the cover that slides bloodletting section of thick bamboo outside, the syringe needle of drawing blood also can be located the cylinder outside this moment, application of force in the locating lever, the locating lever rotates around the hinged end, the location end of locating lever can insert in the location tooth that corresponds, the inner of the cover that slides offsets with the inner cylinder wall of a section of thick bamboo that draws blood, the outer end one side of the cover that slides is fixed by the locating lever, whole cover that slides alright obtain fixed, can carry out normal bloodletting operation.
Preferably, the outer side wall of the sliding sleeve is provided with a mounting groove, and the positioning rod can be rotated into the mounting groove.
Through above-mentioned technical scheme, when need will slide the cover and remove to go into in drawing a blood section of thick bamboo, can change over into the mounting groove with the locating lever in, and then help reducing the locating lever and produce the possibility of jamming to sliding the cover.
Preferably, an annular accommodating groove is formed in the inner cylinder wall of the blood drawing cylinder, and the corrugated pipe sleeve is installed in the annular accommodating groove.
Through above-mentioned technical scheme, when the inner of the cover that slides and the inner wall of a section of thick bamboo of drawing blood produced conflict, the bellows can be accomodate smoothly in annular holding tank, and then reduces the bellows and produces unexpected damaged possibility because of the extrusion.
Preferably, a mounting hole is arranged in the blood drawing push rod in a penetrating mode, an inserting rod is arranged in the mounting hole, a sharp part is arranged on one side, facing the rubber plug, of the inserting rod, and the sharp part can be extruded with the rubber plug through a mounting hole orifice.
Through above-mentioned technical scheme, after this section of thick bamboo that draws blood finishes using, the accessible promotes the inserted bar, and the spine portion of inserted bar can produce the puncture effect to the rubber buffer to destroy the effect to drawing blood push rod and rubber buffer, prevent that medical article from by reutilization.
Preferably, a first internal thread section is arranged in the mounting hole, a first external thread section is arranged on the outer rod wall of the inserted rod, and the first internal thread section is in threaded fit with the first external thread section.
Through the technical scheme, after the blood drawing tube is used, the positioning rod is pushed, the positioning end of the positioning rod is separated from the positioning teeth, the sharp-pointed part of the inserted rod can puncture the rubber plug by pushing the inserted rod, the sharp-pointed part can penetrate through the rubber plug, the inserted rod can also be inserted into the sliding sleeve, and the first internal thread section and the second external thread section are in threaded fit with each other; at this moment, reverse pulling inserted bar again, the inserted bar can be pulled and slide the cover and enter into a section of thick bamboo of drawing blood, and at this moment, the bellows cover in the annular holding tank just can be broken by the pulling, and meanwhile, whole cover and the syringe needle of drawing blood that slide also can enter into a section of thick bamboo of drawing blood, can not only prevent that medical article from by the reutilization, can play the effect of accomodating the syringe needle of drawing blood moreover, reduces the possibility of being pricked.
Preferably, the outer rod wall of the inserted rod close to the spine part is provided with a second outer thread section, the inner sleeve wall of the sliding sleeve is provided with a second inner thread section, and the second inner thread section is in thread fit with the second outer thread section.
Through above-mentioned technical scheme, the mutual screw-thread fit of second internal thread section and second external thread section makes the spine portion of inserted bar produce more powerful extrusion to the rubber buffer, and the simple operation nature is higher.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is an enlarged view of a portion B of fig. 1.
Reference numerals: 1. a blood drawing tube; 2. a push rod for drawing blood; 3. a blood drawing needle; 4. a rubber plug; 5. a sliding sleeve; 51. an inner end; 52. an outer end; 6. a bellows sleeve; 7. a sliding hole; 8. a positioning member; 81. positioning a rod; 811. a hinged end; 812. a positioning end; 9. positioning teeth; 10. mounting grooves; 11. an annular accommodating groove; 12. mounting holes; 13. inserting a rod; 14. a spike portion; 15. a first internal thread segment; 16. a first external thread section; 17. a second internal thread segment; 18. a second outer thread segment.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings 1-3 to make the technical solution of the present invention easier to understand and grasp.
The utility model provides a hematology department ware of drawing blood, includes a blood drawing section of thick bamboo 1, installs the push rod 2 of drawing blood, the syringe needle 3 of drawing blood in drawing blood section of thick bamboo 1, and the rubber buffer 4 is installed to the tip of the push rod 2 of drawing blood, and rubber buffer 4 periphery is inconsistent with the inner tube wall of a blood drawing section of thick bamboo 1. By pushing and pulling the blood drawing push rod 2, the blood drawing push rod 2 can drive the rubber plug 4 to move back and forth in the blood drawing tube 1.
The blood drawing tube is also provided with a sliding sleeve 5 and a corrugated tube sleeve 6, the end part of the blood drawing tube 1 is provided with a sliding hole 7 in a penetrating way, and the sliding sleeve 5 is arranged in the sliding hole 7 in a sliding way.
The two ends of the sliding sleeve 5 are respectively an inner end 51 and an outer end 52, the inner end 51 extends into the blood drawing tube 1, the diameter of the inner end 51 is larger than the aperture of the sliding hole 7, and the inner end 51 can be abutted against the inner tube wall of the blood drawing tube 1 to limit the sliding sleeve 5 to slide out of the blood drawing tube 1 from the sliding hole 7.
An annular accommodating groove 11 is arranged on the inner cylinder wall of the blood drawing cylinder 1 close to the sliding hole 7, and the annular accommodating groove 11 and the sliding hole 7 are concentrically arranged. One end of the corrugated pipe sleeve 6 is arranged in the annular accommodating groove 11, the other end of the corrugated pipe is connected to the inner end 51, the corrugated pipe sleeve 6 is sleeved outside the sliding sleeve 5, and the corrugated pipe and the sliding hole 7 are concentrically arranged.
The outer end 52 extends outside the blood collection vessel 1. The sleeve wall of the sliding sleeve 5 close to the outer end 52 is provided with a positioning piece 8, and the positioning piece 8 is used for positioning the sliding position of the sliding sleeve 5.
The positioning member 8 includes a positioning rod 81, two ends of the positioning rod 81 are a hinged end 811 and a positioning end 812 respectively, the hinged end 811 is hinged on the side wall of the sliding sleeve 5, the outer cylinder wall of the blood drawing cylinder 1 is provided with positioning teeth 9, and the positioning end 812 can be inserted into the positioning teeth 9 to position the sliding position of the sliding sleeve 5.
The outer side wall of the sliding sleeve 5 is provided with a mounting groove 10, the positioning end 812 of the positioning rod 81 is separated from the positioning teeth 9, and the positioning rod 81 can be rotated into the mounting groove 10.
A blood drawing needle 3 is mounted on the outer end 52. When liquid exists in the blood drawing tube 1, force is applied to the blood drawing push rod 2, the blood drawing push rod 2 pushes the rubber plug 4, the rubber plug 4 generates extrusion force on the liquid, the corrugated tube sleeve 6 can limit the liquid from infiltrating into the sliding hole 7 from the blood drawing tube, and the liquid can only flow into the blood drawing needle head 3 from the inside of the sliding sleeve 5.
In addition, a mounting hole 12 is formed in the blood drawing push rod 2 in a penetrating manner, the penetrating direction of the mounting hole 12 coincides with the sliding direction of the blood drawing push rod 2, an insertion rod 13 is arranged in the mounting hole 12, a sharp part 14 is arranged on one side of the insertion rod 13 facing the rubber plug 4, and the sharp part 14 can be pressed with the rubber plug 4 through the opening of the mounting hole 12.
A first internal thread section 15 is arranged in the mounting hole 12, a first external thread section 16 is arranged on the outer rod wall of the inserted rod 13, and the first internal thread section 15 is in threaded fit with the first external thread section 16.
The outer rod wall of the inserted rod 13 close to the spine part 14 is provided with a second outer thread section 18, the inner sleeve wall of the sliding sleeve 5 is provided with a second inner thread section 17, and the second inner thread section 17 is in threaded fit with the second outer thread section 18.
The actual use process is as follows:
(1) a storage state. The positioning rod 81 is overturned into the mounting groove 10 around the hinge shaft, the blood drawing needle head 3 and the sliding sleeve 5 are pushed to move into the blood drawing tube 1 until the blood drawing needle head 3 and the sliding sleeve 5 move into the blood drawing tube 1, the corrugated tube sleeve 6 is stretched, and the length of the whole blood drawing tube 1 is shortened.
(2) And (4) blood drawing state. The blood drawing push rod 2 is pushed, the rubber plug 4 at the end part of the blood drawing push rod 2 can extrude the inner end 51, the blood drawing needle head 3 and the sliding sleeve 5 move towards the outer side of the blood drawing tube 1, the positioning rod 81 in the mounting groove 10 is rotated out, the positioning end 812 on the positioning rod 81 is clamped into the positioning teeth 9, the inner end 51 of the sliding sleeve 5 can be abutted against the inner tube wall of the blood drawing tube 1, and the position of the whole sliding sleeve 5 is fixed; the accessible is taken a blood sample push rod 2, and the rubber buffer 4 of the push rod 2 tip of taking a blood sample can slide in blood drawing section of thick bamboo 1, and blood alright follow blood drawing syringe needle 3 and draw in proper order to slide cover 5 and blood drawing section of thick bamboo 1.
(3) And (4) destroying the state. The inserted link 13 is inserted into the sliding hole 7, the second external thread section 18 is in threaded fit with the second internal thread section 17, the whole inserted link 13 can be fed along the axial direction, the sharp piercing part 14 at the end part of the inserted link 13 can pierce the rubber plug 4, the sharp piercing part 14 penetrates through the rubber plug 4, the first external thread section 16 at the end part of the inserted link 13 can be in threaded fit with the first internal thread section 15 in the sliding sleeve 5, then the inserted link 13 is pulled in the opposite direction, the inserted link 13 can pump the sliding sleeve 5 and the blood drawing needle 3 into the blood drawing tube 1, and the corrugated tube sleeve 6 is directly pulled through the sliding sleeve 5.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.

Claims (2)

1. The utility model provides a hematology department ware of drawing blood, includes a blood drawing section of thick bamboo (1), installs draw blood push rod (2), the syringe needle (3) of drawing blood in drawing blood section of thick bamboo (1), and rubber buffer (4) are installed to the tip of drawing blood push rod (2), and rubber buffer (4) periphery is inconsistent with the inner tube wall of a blood drawing section of thick bamboo (1), characterized by: also comprises a sliding sleeve (5) and a corrugated pipe sleeve (6), the end part of the blood drawing tube (1) is provided with a sliding hole (7) in a penetrating way, the sliding sleeve (5) is arranged in the sliding hole (7) in a sliding way, the two ends of the sliding sleeve (5) are respectively an inner end (51) and an outer end (52), the inner end (51) extends into the blood drawing tube (1), the inner end (51) can be abutted against the inner tube wall of the blood drawing tube (1) to limit the sliding sleeve (5) to slide out of the blood drawing tube (1) from the sliding hole (7), the outer end (52) extends out of the blood drawing tube (1), the corrugated pipe sleeve (6) is sleeved outside the sliding sleeve (5), two ends of the corrugated pipe sleeve (6) are respectively connected to the inner end (51) and the inner cylinder wall of the blood drawing cylinder (1), a positioning piece (8) is arranged on the sliding sleeve (5), and the positioning piece (8) is used for positioning the sliding position of the sliding sleeve (5); the blood drawing needle (3) is arranged on the outer end (52);
a mounting hole (12) penetrates through the blood drawing push rod (2), an insertion rod (13) is arranged in the mounting hole (12), a sharp part (14) is arranged on one side, facing the rubber plug (4), of the insertion rod (13), and the sharp part (14) can be extruded with the rubber plug (4) through the hole opening of the mounting hole (12);
the positioning piece (8) comprises a positioning rod (81), a hinged end (811) and a positioning end (812) are respectively arranged at two ends of the positioning rod (81), the hinged end (811) is hinged to the side wall of the sliding sleeve (5), positioning teeth (9) are arranged on the outer cylinder wall of the blood drawing cylinder (1), and the positioning end (812) can be inserted into the positioning teeth (9) to position the sliding position of the sliding sleeve (5);
the outer side wall of the sliding sleeve (5) is provided with a mounting groove (10), and the positioning rod (81) can be rotated into the mounting groove (10);
a first internal thread section (17) is arranged in the mounting hole (12), a first external thread section (18) is arranged on the outer rod wall of the inserted rod (13), and the first internal thread section (17) is in threaded fit with the first external thread section (18);
and a second external thread section (16) is arranged on the outer rod wall of the inserted rod (13) close to the spine part (14), a second internal thread section (15) is arranged on the inner sleeve wall of the sliding sleeve (5), and the second internal thread section (15) is in threaded fit with the second external thread section (16) mutually.
2. A hematology extractor according to claim 1, wherein: an annular accommodating groove (11) is formed in the inner wall of the blood drawing tube (1), and the corrugated tube sleeve (6) is installed in the annular accommodating groove (11).
CN202010634833.9A 2020-07-03 2020-07-03 Hematology specialty ware of drawing blood Expired - Fee Related CN111743549B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010634833.9A CN111743549B (en) 2020-07-03 2020-07-03 Hematology specialty ware of drawing blood

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010634833.9A CN111743549B (en) 2020-07-03 2020-07-03 Hematology specialty ware of drawing blood

Publications (2)

Publication Number Publication Date
CN111743549A CN111743549A (en) 2020-10-09
CN111743549B true CN111743549B (en) 2021-02-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010634833.9A Expired - Fee Related CN111743549B (en) 2020-07-03 2020-07-03 Hematology specialty ware of drawing blood

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Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2274968Y (en) * 1996-07-25 1998-02-25 陈志贞 Integrated disposable self destroyed injector after use
JP4348578B2 (en) * 1999-04-26 2009-10-21 株式会社ジェイ・エム・エス Wing needle device
CN201189338Y (en) * 2008-05-12 2009-02-04 肖立安 Disposable safe self-destruction syringe of high usage
CN102068740B (en) * 2010-12-24 2012-07-25 江苏苏云医疗器材有限公司 Automatic retraction type safety injector
CN203315446U (en) * 2013-04-16 2013-12-04 福建省百仕韦医用高分子股份有限公司 Corrugated tube type telescopic protection remaining needle
CN205107742U (en) * 2015-11-06 2016-03-30 南通大学附属医院 Orthopedic patient is with adjustable ultrasound diagnosis mattress
CN208877569U (en) * 2018-02-08 2019-05-21 潍坊峡山荆卫生物科技有限公司 Safety self-destructing Cell Micro-injection Device
CN110860013B (en) * 2019-11-26 2020-08-07 王艳 Medical syringe

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Inventor after: Yu Meiying

Inventor after: Xue Chunli

Inventor after: Jiang Lihui

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Effective date of registration: 20210128

Address after: 264100 clinical skills training center, 717 Jinbu street, Muping District, Yantai City, Shandong Province

Applicant after: Yu Meiying

Address before: Baishuiyang town Baishuiyang village, Linhai City, Taizhou City, Zhejiang Province

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Granted publication date: 20210219