CN108837237B - Telescopic injector - Google Patents
Telescopic injector Download PDFInfo
- Publication number
- CN108837237B CN108837237B CN201810752298.XA CN201810752298A CN108837237B CN 108837237 B CN108837237 B CN 108837237B CN 201810752298 A CN201810752298 A CN 201810752298A CN 108837237 B CN108837237 B CN 108837237B
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- Prior art keywords
- mounting groove
- outer cylinder
- cylinder
- needle head
- urceolus
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/19—Constructional features of carpules, syringes or blisters
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a telescopic syringe, which comprises a syringe, a needle head and a push rod, wherein the syringe comprises an inner cylinder and an outer cylinder, the inner cylinder is sleeved in the outer cylinder, the inner cylinder is in sliding connection with the outer cylinder, the needle head is arranged on the inner cylinder, one end of the outer cylinder is provided with a first through hole, the needle head can slide in a telescopic mode through the first through hole, the needle head can stretch out and draw back in the outer cylinder and change the length of the needle head, the outer cylinder is provided with a locking piece, the locking piece is used for locking the sliding position of the inner cylinder and locking the length of the needle head extending out of the outer cylinder, the outer wall of the outer cylinder is provided with a stabilizing seat at the position of the first through hole, the stabilizing seat is used for keeping the needle head stable, the stabilizing seat is provided with a clamping block and a tightness adjusting assembly.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a telescopic injector.
Background
Syringes play a wide and important role in clinical treatment as one of the most commonly used medical tools in the medical field. Most of the existing medical syringes include a syringe, a needle, a piston and a piston rod, but the existing medical syringes are limited by the above structure and design, the injection or extraction process can be completed only by manually pushing and pulling the piston rod, the existing injection needles generally adopt the needle with fixed length, in some surgical operations or bone marrow puncture, the needles with different lengths need to be selected due to different depths of target injection or liquid extraction parts, and different individuals have differences, but the existing injection needles cannot be suitable for different individuals and different operation means, and if the length of the needle is not enough in the surgical process, the longer syringe needs to be replaced, the process causes repeated puncture, and discomfort is caused to patients.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a telescopic injector which is suitable for different surgical means and is convenient to adjust the length of a needle of the injector in a surgery.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a retractable syringe, which comprises a needle cylinder, syringe needle and push rod, the syringe includes inner tube and urceolus, the inner tube cup joints in the urceolus, inner tube and urceolus sliding connection, inner tube one end is provided with the syringe needle mount pad, be provided with the plunger on this syringe needle mount pad, the syringe needle is established on the plunger, the other end of inner tube provides the push rod embedding, be provided with the piston dish on this push rod, piston dish and inner tube inner wall gomphosis, first through-hole has been seted up to urceolus one end, this first through-hole supplies the flexible slip of syringe needle, the urceolus is stretched out to inner tube dorsad syringe needle one end, the urceolus is provided with the locking piece, this locking piece is used for locking the sliding position of inner tube, the urceolus outer wall is provided with stable seat in first through-hole.
As a further improvement of the invention, a slide rail is arranged on the outer side wall of the inner barrel, a slide block is arranged on the inner wall of the outer barrel, the slide block is connected with the slide rail in a sliding manner, a plurality of clamping grooves are formed in the slide rail and are arranged along the axial direction of the sleeve, a marble component is arranged on the slide block, the marble component comprises a jumping bead and a first spring part, a first mounting groove is formed in one side, facing the slide rail, of the slide block, the jumping bead is embedded in the first mounting groove, the first spring part is arranged in the first mounting groove, and the first spring part keeps the part of the jumping bead.
As a further improvement of the invention, a second mounting groove is arranged on the side wall of the outer cylinder, the slide block is connected with the second mounting groove in a sliding manner, the locking piece comprises an ejector rod and a lock sleeve, the ejector rod is arranged in the second mounting groove, one end of the ejector rod is mutually abutted against the slide block, the other end of the ejector rod extends out of the second mounting groove, the outer wall of the outer cylinder is circumferentially provided with external threads corresponding to the second mounting groove, the lock sleeve is in a circular ring shape, the lock sleeve is provided with internal threads, the lock sleeve is in threaded connection with the outer cylinder, the inner wall of the lock sleeve is provided with a lug, the lug is provided with a first inclined plane inclined in the horizontal direction, the ejector rod is provided with a second inclined plane facing one side of the lock sleeve, the first inclined plane and the second inclined plane are mutually attached, and.
As a further improvement of the invention, a first sliding groove which is aligned with the outer cylinder in the radial direction is arranged on the stabilizing seat, the clamping block is in sliding connection with the first sliding groove, the tightness adjusting assembly comprises a rotating wheel disc which is in rotating connection with the outer cylinder, one side surface of the rotating wheel disc, which is close to the stabilizing seat, is provided with a threaded guide convex strip, the clamping block is in sliding connection with the guide convex strip, one side, facing the rotating wheel disc, of the clamping block is provided with a second sliding groove, the guide convex strip extends into the second sliding groove, and when the rotating wheel disc rotates, the clamping block is far away from or close to the first through hole in the first sliding groove under the guide of the.
As a further improvement of the invention, the outer cylinder is provided with a third mounting groove, the stabilizing seat is mounted in the third mounting groove, a second spring part is arranged between the stabilizing seat and the outer cylinder, the second spring part keeps the stabilizing seat elastically connected with the third mounting groove, and a connecting sleeve extends from one side of the rotating wheel disc facing the outer cylinder and is in threaded connection with the outer cylinder.
As a further improvement of the invention, the outer side surface of the connecting sleeve is provided with an anti-skid convex line.
As a further improvement of the invention, the outer cylinder and the inner cylinder are both made of transparent materials.
As a further improvement of the invention, the outer cylinder is provided with a flange on the side facing the push rod.
The invention has the beneficial effects that: the invention discloses a telescopic injector, which is characterized in that an inner cylinder and an outer cylinder are arranged, the inner cylinder can be telescopically adjusted in the outer cylinder, a needle head can be stretched in the outer cylinder to change the length of the needle head, a locking piece is arranged on a sliding structure of the inner cylinder and the outer cylinder to lock the length of the needle head extending out of the outer cylinder, and a stabilizing seat is arranged to keep the needle head stable and not to shake in the using process.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of the present invention;
fig. 3 is a radial cross-sectional view of the present invention at the location of the locking element.
1. A needle cylinder; 2. a needle head; 3. a needle mounting base; 4. a plunger; 5. a push rod; 6. a piston disc; 7. a first through hole; 8. a locking member; 9. a clamping block; 10. a tightness adjusting assembly; 11. a slide rail; 12. a slider; 13. a card slot; 14. jumping beads; 15. a first spring member; 16. a first mounting groove; 17. a second mounting groove; 18. a top rod; 19. a lock sleeve; 20. a bump; 21. a first inclined plane; 22. a second inclined plane; 23. a first chute; 24. rotating the wheel disc; 25. a guide convex strip; 26. a second chute; 27. a third mounting groove; 28. a second spring member; 29. connecting sleeves; 30. anti-skid wales; 31. a flange; 32. an inner barrel; 33. an outer cylinder; 34. and (4) stabilizing seats.
Detailed Description
The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings.
Referring to fig. 1-3, the retractable syringe disclosed in this embodiment includes a syringe 1, a needle 2 and a plunger 5, the syringe 1 includes an inner cylinder 32 and an outer cylinder 33, the inner cylinder 32 is sleeved in the outer cylinder 33, the inner cylinder 32 is slidably connected to the outer cylinder 33, one end of the inner cylinder 32 is provided with a needle mounting base 3, the needle mounting base 3 is provided with a plunger 4, the needle mounting base 3 is provided with a groove communicated with a liquid storage space of the inner cylinder 32, the plunger 4 can be made of rubber, the plunger 4 is embedded in the groove, the needle 2 is provided on the plunger 4, the other end of the inner cylinder 32 is provided with the plunger 5 for embedding, the plunger 5 is provided with a piston disc 6, the piston disc 6 is embedded in an inner wall of the inner cylinder 32, one end of the outer cylinder 33 is provided with a first through hole 7, the first through hole 7 is used for the needle 2 to slide telescopically, one end, the locking piece 8 is used for locking the sliding position of the inner barrel 32, the outer wall of the outer barrel 33 is provided with a stabilizing seat 34 at the position of the first through hole 7, the stabilizing seat 34 is used for keeping the needle 2 stable, the stabilizing seat 34 is provided with a clamping block 9 and a tightness adjusting component 10, and the tightness adjusting component 10 is used for adjusting the clamping force of the clamping block 9 on the needle 2.
By arranging the inner barrel 32 and the outer barrel 33, the inner barrel 32 can be telescopically adjusted in the outer barrel 33, the needle 2 can be stretched in the outer barrel 33 to change the length of the needle 2, a locking piece 8 is arranged on a sliding structure of the inner barrel 32 and the outer barrel 33 and used for locking the length of the needle 2 extending out of the outer barrel 33, and a stabilizing seat 34 is arranged to keep the needle 2 stable and not to shake in the using process, when in use, the inner barrel 32 and the outer barrel 33 are kept in a locking state, the push rod 5 is pulled and pushed to inject or draw liquid, and the tightness adjusting component 10 keeps the clamping block 9 to clamp the needle 2 to keep the needle stable.
As a modified specific embodiment, a slide rail 11 is arranged on the outer side wall of the inner cylinder 32, a slide block 12 is arranged on the inner wall of the outer cylinder 33, the slide block 12 is slidably connected with the slide rail 11, a plurality of clamping grooves 13 are arranged on the slide rail 11 along the axial direction of the sleeve, the slide block 12 is provided with a marble component, the marble component comprises a jump pearl 14 and a first spring part 15, a first mounting groove 16 is arranged on one side of the slide block 12 facing the slide rail 11, the jump pearl 14 is embedded in the first mounting groove 16, the first spring part 15 is arranged in the first mounting groove 16, and the first spring part 15 keeps the jump pearl 14 partially extending out of the first mounting groove 16.
The sliding structure of the inner cylinder 32 and the outer cylinder 33 is provided with a marble structure, when the inner cylinder 32 slides, the jumping beads 14 bounce in the adjacent clamping grooves 13, so that when the length of the needle head 2 is adjusted, the needle head can be more accurate, the number of the sliding rails 11 and the sliding blocks 12 is preferably 2, the needle head is arranged in a bilateral symmetry manner, and the needle head can be balanced in the bilateral symmetry manner when sliding.
As a modified specific embodiment, the side wall of the outer cylinder 33 is provided with a second mounting groove 17, the slide block 12 is slidably connected with the second mounting groove 17, the locking member 8 comprises a push rod 18 and a lock sleeve 19, the push rod 18 is arranged in the second mounting groove 17, one end of the ejector rod 18 is abutted against the slide block 12, the other end of the ejector rod 18 extends out of the second mounting groove 17, the outer wall of the outer cylinder 33 is circumferentially provided with external threads corresponding to the position of the second mounting groove 17, the lock sleeve 19 is in a ring shape, the lock sleeve 19 is provided with internal threads, the lock sleeve 19 is in threaded connection with the outer cylinder 33, the inner wall of the lock sleeve 19 is provided with a convex block 20, the projection 20 is provided with a first inclined surface 21 inclined in the horizontal direction, the ejector 18 is provided with a second inclined surface 22 on the side facing the lock sleeve 19, the first inclined surface 21 and the second inclined surface 22 are attached to each other, and when the lock sleeve 19 is rotated, the protrusion 20 drives the ejector rod 18 to slide in the second mounting groove 17, so as to limit the bouncing of the bouncing ball 14 on the sliding rail 11.
When the locking device is used, the lock sleeve 19 is rotated, when the lug 20 on the inner wall of the lock sleeve 19 rotates, the first inclined surface 21 of the lug 20 pushes the ejector rod 18 to move towards one side of the sliding block 12, the bouncing ball 14 is limited to bounce in the clamping groove 13, the bouncing ball 14 on the sliding block 12 is kept to be clamped in the clamping groove 13, the lock sleeve 19 is rotated back and forth to lock the inner cylinder 32 and the outer cylinder 33 or unlock the lock, the operation mode is simple, and the lock sleeve 19 is arranged in a threaded connection structure, so that the locking piece 8 can be effectively prevented from being loosened.
As a modified specific embodiment, a first sliding groove 23 radially aligned with the outer cylinder 33 is provided on the stabilizing seat 34, the clamping block 9 is slidably connected with the first sliding groove 23, the slack adjuster 10 includes a rotating wheel disc 24, the rotating wheel disc 24 is rotatably connected with the outer cylinder 33, a threaded guiding protrusion 25 is provided on a side surface of the rotating wheel disc 24 close to the stabilizing seat 34, the clamping block 9 is slidably connected with the guiding protrusion 25, a second sliding groove 26 is provided on a side of the clamping block 9 facing the rotating wheel disc 24, the guiding protrusion 25 extends into the second sliding groove 26, and when the rotating wheel disc 24 rotates, the clamping block 9 is far away from or close to the first through hole 7 in the first sliding groove 23 under the guidance of the guiding protrusion 25.
When using, drive clamp splice 9 through rotating rotary wheel dish 24 and remove in first spout 23 along spiral helicine direction sand grip 25, when rotary wheel dish 24 rotates, clamp splice 9 is driven by direction sand grip 25, changes its radial distance that corresponds rotary wheel dish 24 center, makes it slide in first spout 23, centre gripping syringe needle 2, preferably, is provided with the skid resistant course on the clamping face of its clamp splice 9, and the preferred high temperature resistant rubber material of this skid resistant course.
As a modified embodiment, the outer cylinder 33 is provided with a third mounting groove 27, the stabilizer 34 is mounted in the third mounting groove 27, the second spring member 28 is provided between the stabilizer 34 and the outer cylinder 33, the second spring member 28 keeps the stabilizer 34 elastically connected with the third mounting groove 27, the rotary disk 24 extends toward the side of the outer cylinder 33 with a connecting sleeve 29, and the connecting sleeve 29 is screwed with the outer cylinder 33.
Through setting up rotary wheel dish 24 and urceolus 33 to threaded connection to prevent touching rotary wheel dish 24 at the mistake, thereby lead to rotary wheel dish 24 to rotate clamp splice 9 and take place to become flexible, play further firm effect.
As a modified embodiment, the outer side of the connecting sleeve 29 is provided with an anti-slip convex pattern 30 to facilitate the force application when the rotating wheel disc 24 is rotated.
As a modified specific embodiment, the outer cylinder 33 and the inner cylinder 32 are made of transparent materials so as to facilitate observation of the liquid volume in the liquid storage cavity of the inner cylinder 32.
As a modified embodiment, the outer cylinder 33 is provided with a flange 31 on the side facing the push rod 5, and the flange 31 can provide a force application point when the push rod 5 is pulled or pushed, so that the operation of a doctor or a nurse can be facilitated by one hand.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (6)
1. A retractable syringe comprises a needle cylinder (1), a needle head (2) and a push rod (5), and is characterized in that: the needle cylinder (1) comprises an inner cylinder (32) and an outer cylinder (33), the inner cylinder (32) is sleeved in the outer cylinder (33), the inner cylinder (32) is connected with the outer cylinder (33) in a sliding manner, one end of the inner cylinder (32) is provided with a needle head mounting seat (3), a plunger (4) is arranged on the needle head mounting seat (3), the needle head (2) is arranged on the plunger (4), the other end of the inner cylinder (32) is embedded with a push rod (5), a piston disc (6) is arranged on the push rod (5), the piston disc (6) is embedded with the inner wall of the inner cylinder (32), one end of the outer cylinder (33) is provided with a first through hole (7), the first through hole (7) is used for the needle head (2) to slide in a telescopic manner, the inner cylinder (32) extends out of the outer cylinder (33) back to one end of the needle head (2), the outer cylinder (33) is provided with a locking piece (8, the outer wall of the outer barrel (33) is provided with a stabilizing seat (34) at the position of the first through hole (7), the stabilizing seat (34) is used for keeping the needle head (2) stable, the stabilizing seat (34) is provided with a clamping block (9) and a tightness adjusting component (10), and the tightness adjusting component (10) is used for adjusting the clamping force of the clamping block (9) on the needle head (2);
the outer side wall of the inner barrel (32) is provided with a sliding rail (11), the inner wall of the outer barrel (33) is provided with a sliding block (12), the sliding block (12) is connected with the sliding rail (11) in a sliding mode, the sliding rail (11) is provided with a plurality of clamping grooves (13) which are arranged along the axial direction of the sleeve, the sliding block (12) is provided with a marble component, the marble component comprises a jumping bead (14) and a first spring piece (15), one side, facing the sliding rail (11), of the sliding block (12) is provided with a first mounting groove (16), the jumping bead (14) is embedded in the first mounting groove (16), the first spring piece (15) is arranged in the first mounting groove (16), and the jumping bead (14) is kept to partially extend out of the first mounting groove (16) by the first spring piece (15);
be provided with second mounting groove (17) on the lateral wall of urceolus (33), slider (12) and second mounting groove (17) sliding connection, locking piece (8) include ejector pin (18) and lock sleeve (19), ejector pin (18) set up in second mounting groove (17), and this ejector pin (18) one end is contradicted each other with slider (12), and second mounting groove (17) is stretched out to this ejector pin (18) other end, urceolus (33) outer wall corresponds second mounting groove (17) position circumference and is provided with the external screw thread, lock sleeve (19) are the ring form, and this lock sleeve (19) is provided with the internal thread, lock sleeve (19) and urceolus (33) threaded connection, lock sleeve (19) inner wall is provided with lug (20), and this lug (20) are provided with the first inclined plane (21) of horizontal direction slope, ejector pin (18) are provided with second inclined plane (22) towards lock sleeve (19) one side, the first inclined plane (21) and the second inclined plane (22) are mutually attached, and when the lock sleeve (19) is rotated, the convex block (20) drives the ejector rod (18) to slide in the second mounting groove (17) so as to limit the bouncing of the bouncing ball (14) on the slide rail (11).
2. A retractable syringe as claimed in claim 1, wherein: stabilize and be provided with first spout (23) with urceolus (33) radial alignment on seat (34), clamp splice (9) and first spout (23) sliding connection, elasticity adjusting part (10) are including rotating rim plate (24), and this rotates rim plate (24) and urceolus (33) and rotate and be connected, one side that rotates rim plate (24) and be close to stable seat (34) is provided with direction sand grip (25) of screw thread form, clamp splice (9) and direction sand grip (25) sliding connection, clamp splice (9) are provided with second spout (26) towards one side of rotating rim plate (24), and this direction sand grip (25) stretch into in second spout (26), when rotating rim plate (24) rotate, and clamp splice (9) are kept away from or are close to first through-hole (7) in first spout (23) under direction sand grip (25) guide.
3. A retractable syringe as claimed in claim 2, wherein: urceolus (33) are provided with third mounting groove (27), install in third mounting groove (27) stablizing seat (34), be provided with second spring part (28) between stablizing seat (34) and urceolus (33), this second spring part (28) keep stablizing seat (34) and third mounting groove (27) elastic connection, it has adapter sleeve (29) to extend towards urceolus (33) one side to rotate rim plate (24), this adapter sleeve (29) and urceolus (33) threaded connection.
4. A retractable syringe as claimed in claim 3, wherein: the outer side surface of the connecting sleeve (29) is provided with an anti-skid convex line (30).
5. A retractable syringe as claimed in claim 1, wherein: the outer cylinder (33) and the inner cylinder (32) are both made of transparent materials.
6. A retractable syringe as claimed in claim 1, wherein: the outer cylinder (33) is provided with a flange (31) towards one side of the push rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810752298.XA CN108837237B (en) | 2018-07-10 | 2018-07-10 | Telescopic injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810752298.XA CN108837237B (en) | 2018-07-10 | 2018-07-10 | Telescopic injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108837237A CN108837237A (en) | 2018-11-20 |
| CN108837237B true CN108837237B (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810752298.XA Active CN108837237B (en) | 2018-07-10 | 2018-07-10 | Telescopic injector |
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| Country | Link |
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| CN (1) | CN108837237B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109893177B (en) * | 2019-04-24 | 2021-05-04 | 山东省立医院 | Marrow puncture extraction device |
| CN109999279B (en) * | 2019-05-05 | 2021-04-20 | 河南省中医院（河南中医药大学第二附属医院） | Needle inserting device for anesthesia department |
| CN110236651B (en) * | 2019-07-10 | 2020-09-22 | 日照市中心医院 | Positioning type intraspinal anesthesia needle |
| CN111956909B (en) * | 2020-09-12 | 2021-04-02 | 王凤霞 | Protective medical intravenous injector |
| CN112402785B (en) * | 2020-11-20 | 2022-09-16 | 中国人民解放军总医院第一医学中心 | Backflow-preventing hemostatic agent propeller |
| CN114102635A (en) * | 2021-12-17 | 2022-03-01 | 西南交通大学 | Third rail automatic cleaning manipulator and cleaning method thereof |
| CN114047133A (en) * | 2022-01-12 | 2022-02-15 | 山东省科学院激光研究所 | Optical path adjustable multi-point reflection gas absorption pool |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003082383A1 (en) * | 2002-03-29 | 2003-10-09 | Shanghai Kindly Enterprise Development Group Co. Ltd. | A medical needle safety device |
| CN101015717A (en) * | 2007-03-07 | 2007-08-15 | 中国人民解放军第二军医大学 | Adjustable pulsatile myocardial internal injector |
| CN101854970A (en) * | 2007-09-19 | 2010-10-06 | 哈美顿博纳图斯股份公司 | Syringe with exchangeable needle |
| US20120116248A1 (en) * | 2008-10-01 | 2012-05-10 | Beacon Endoscopic Corporation | Needle biopsy device with exchangeable needle and integrated needle protection |
| CN202397902U (en) * | 2011-12-05 | 2012-08-29 | 马德美 | Injection device with adjustable injection depth |
| CN207136852U (en) * | 2017-03-15 | 2018-03-27 | 青岛市中心血站（青岛市公民义务献血办公室青岛市输血医学研究所） | A kind of hemospast with protection syringe needle function |
| CN207270539U (en) * | 2017-03-06 | 2018-04-27 | 纪绪师 | A kind of syringe of department of anesthesia easy to use |
| CN207545323U (en) * | 2017-05-09 | 2018-06-29 | 商丘医学高等专科学校 | A kind of medicine-feeding therapeutic device for otology |
-
2018
- 2018-07-10 CN CN201810752298.XA patent/CN108837237B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003082383A1 (en) * | 2002-03-29 | 2003-10-09 | Shanghai Kindly Enterprise Development Group Co. Ltd. | A medical needle safety device |
| CN101015717A (en) * | 2007-03-07 | 2007-08-15 | 中国人民解放军第二军医大学 | Adjustable pulsatile myocardial internal injector |
| CN101854970A (en) * | 2007-09-19 | 2010-10-06 | 哈美顿博纳图斯股份公司 | Syringe with exchangeable needle |
| US20120116248A1 (en) * | 2008-10-01 | 2012-05-10 | Beacon Endoscopic Corporation | Needle biopsy device with exchangeable needle and integrated needle protection |
| CN202397902U (en) * | 2011-12-05 | 2012-08-29 | 马德美 | Injection device with adjustable injection depth |
| CN207270539U (en) * | 2017-03-06 | 2018-04-27 | 纪绪师 | A kind of syringe of department of anesthesia easy to use |
| CN207136852U (en) * | 2017-03-15 | 2018-03-27 | 青岛市中心血站（青岛市公民义务献血办公室青岛市输血医学研究所） | A kind of hemospast with protection syringe needle function |
| CN207545323U (en) * | 2017-05-09 | 2018-06-29 | 商丘医学高等专科学校 | A kind of medicine-feeding therapeutic device for otology |
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| Publication number | Publication date |
|---|---|
| CN108837237A (en) | 2018-11-20 |
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