CN110548188B - Improved hemodialysis pipeline fixing clamp - Google Patents
Improved hemodialysis pipeline fixing clamp Download PDFInfo
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- CN110548188B CN110548188B CN201910947265.5A CN201910947265A CN110548188B CN 110548188 B CN110548188 B CN 110548188B CN 201910947265 A CN201910947265 A CN 201910947265A CN 110548188 B CN110548188 B CN 110548188B
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- fixedly connected
- half ring
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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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1621—Constructional aspects thereof
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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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/02—Holding devices, e.g. on the body
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/02—Holding devices, e.g. on the body
- A61M2025/024—Holding devices, e.g. on the body having a clip or clamp system
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Veterinary Medicine (AREA)
- Urology & Nephrology (AREA)
- General Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Emergency Medicine (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
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Abstract
The invention discloses an improved hemodialysis pipeline fixing clamp which comprises a hemodialysis pipe, a clamping opening and a supporting angle, wherein a first supporting plate is fixedly connected onto the supporting angle, the first supporting plate is connected with a second supporting plate through a first connecting shaft, a sliding groove is formed in the second supporting plate, a first supporting rod and a second supporting rod are connected onto the second supporting plate, the first supporting rod is fixedly connected with an air cavity through a fixing rod, a piston is in sliding contact with the air cavity and fixedly connected with the second supporting rod through a connecting rod, an air outlet pipe is connected onto the air cavity through an air outlet in a penetrating manner, a hose is connected onto the air outlet pipe through a connecting rod, a fixing block is also fixedly connected onto the supporting rod, a fixing ring is connected onto the fixing block, a rubber air cushion is fixedly connected onto the inner side of the fixing ring, and the rubber air cushion is in a penetrating manner through the hose through the air inlet. The invention can improve the defects of the prior art and has the characteristics of reliable fixation and flexible use.
Description
Technical Field
The invention relates to a medical device, in particular to an improved hemodialysis pipeline fixing clamp.
Background
At present, before hemodialysis, a blood pipeline must be pre-flushed by sterile physiological saline to keep the blood pipeline sterile, and because no special tool for fixing the blood pipeline is provided, the blood pipeline is clamped by a hemostatic clamp to be fixed at the edge of a waste water barrel, or the blood pipeline is directly placed into the barrel, the blood pipeline is extremely easy to be polluted, and the blood pipeline is easily clamped by the hemostatic clamp or the hemostatic clamp is damaged, so that the operation is unsafe and inconvenient. Chinese patent CN 107754035 a discloses a hemodialysis tube fixing clip. The hemodialysis fixation clamp of this kind of structure when using, can not change fixed position according to hemodialysis pipe's length, fixed simple only leans on the notch to support hemodialysis pipe simultaneously, causes hemodialysis pipe landing very easily when using like this to cause the damage, when empting the intraductal liquid of hemodialysis, hardly empty totally moreover, when the hemodialysis pipe of more big bore is changed to the user of service, this kind of is fixed also can not adjust, has brought very big inconvenience for the user of service.
Disclosure of Invention
The invention aims to provide an improved hemodialysis pipeline fixing clamp, which can overcome the defects of the prior art and has the characteristics of reliable fixation and flexible use.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
An improved hemodialysis pipeline fixing clamp comprises a hemodialysis pipe, a clamping opening and a supporting angle, wherein a first supporting plate is fixedly connected onto the supporting angle, the first supporting plate is connected with a second supporting plate through a first connecting shaft, a sliding groove is formed in the second supporting plate, a first supporting rod and a second supporting rod are connected onto the second supporting plate, the first supporting rod is fixedly connected with the second supporting plate, the second supporting rod is in sliding contact with the sliding groove, the first supporting rod is fixedly connected with an air cavity through a fixing rod, a piston is in sliding contact with the air cavity, the piston is fixedly connected with the second supporting rod through a connecting rod, a bolt is further fixedly connected onto the second supporting rod, an air outlet pipe is connected onto the air cavity through an air outlet, a hose is connected onto the air outlet pipe, a top plug is further inserted onto the air outlet pipe, a fixing block is further fixedly connected onto the supporting rod, a fixing ring is connected onto the fixing block, and a rubber air cushion is fixedly connected onto the inner side of the fixing ring, the rubber air cushion is communicated with the hose through an air inlet.
Preferably, the fixing ring comprises a first half ring and a second half ring, a third half ring is sleeved inside the second half ring, one end of the third half ring is fixedly connected with the first half ring, and the other end of the third half ring is fixedly connected with the second half ring through a second spring.
Preferably, the fixing block is fixedly connected with a supporting pad.
Preferably, the rubber air cushion is further connected with a plurality of protrusions in a penetrating manner.
Preferably, the second groove is formed in the top of the protruding portion, the rubber sheets are fixedly connected to the inner walls of two sides of the second groove respectively, the top end of any one rubber sheet is in lap joint with the side wall of the other rubber sheet, and the upper edge of each rubber sheet is higher than the top of the second groove by 0.3-0.5 mm.
Preferably, a limit pin is movably inserted in the overlapping part of the side wall of the rubber sheet, the inner side end of the limit pin is connected with the boss through a fourth spring, and the fourth spring is inserted in the boss.
Preferably, the inner wall of the air cavity is fixedly connected with a limiting block, and the limiting block is fixedly connected with a first spring.
Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: when the blood fixing clamp is used, after the hemodialysis tube is placed on the fixing ring, the second support rod slides along the sliding groove in the second support plate according to the length of the hemodialysis tube, when the support rod needs to slide rightwards, the bolt fixedly connected with the second support rod is screwed when the support rod needs to slide rightwards, the second support rod drives the piston in the air cavity to move rightwards through the connecting rod, at the moment, the top plug on the air outlet pipe on the right side is taken off, the top plug on the air outlet pipe on the left side is kept still, therefore, when the piston moves rightwards, the air in the air cavity flows to the air outlet pipe through the air outlet, the air outlet pipe is communicated with the hose, the air cushion on the inner side of the fixing ring is communicated with the hose through the air inlet, the air in the air cavity is finally compressed into the rubber cushion on the inner side of the fixing ring, then the top plug is inserted into the air outlet pipe on the right side, and the air cushion inflated by the hemodialysis tube is well fixed, similarly, if the length of the hemodialysis tube needs to be adjusted leftwards, the top plug on the left outlet tube is removed, the top plug on the right outlet tube is kept still, so that the gas in the gas cavity can be compressed into the rubber air cushion on the inner side of the fixing ring, the hemodialysis tube can be fixed well, further, the fixing ring comprises a first half ring and a second half ring, the first half ring is fixedly connected with the fixing block, the second half ring is connected with the fixing block through a second connecting shaft, a third half ring is sleeved inside the second half ring, one end of the third half ring is fixedly connected with the first half ring, the other end of the third half ring is fixedly connected with the second half ring through a second spring, therefore, the second half ring can be adjusted according to the pipe diameter of the hemodialysis tube, the third half ring can be pulled out or contracted according to the pipe diameter of the hemodialysis tube, convenience and flexibility are realized, and a supporting pad is fixedly connected to the fixing block, prevent that hemodialysis pipe is direct to contact with the fixed block, still have a lot of protruding portions on the rubber air cushion, increased hemodialysis pipe's frictional force, better fixed hemodialysis pipe. The rubber sheet and hemodialysis pipe interference fit can carry out further centre gripping to it and fix, and the overlap joint relation of activity can make hemodialysis pipe have certain displacement allowance between the rubber sheet, avoids hemodialysis pipe local atress too big. The top of sheet rubber carries out the crimping to the spacer pin, thereby can make it get into the inside holding power of strengthening the sheet rubber of bellying. Go back fixedly connected with stopper on the air cavity inner wall, the first spring of fixedly connected with on the stopper prevents that the second bracing piece from excessively moving to make between two solid fixed rings apart from too near or too far away, lead to that hemodialysis pipe is fixed insecure, thereby the unnecessary damage appears, this device easy operation, and is fixed reliable.
Drawings
FIG. 1 is a block diagram of one embodiment of the present invention.
Fig. 2 is a structural view of an air chamber in an embodiment of the present invention.
FIG. 3 is a block diagram of a retaining ring in accordance with one embodiment of the present invention.
FIG. 4 is a view showing a structure of a projection according to an embodiment of the present invention.
In the figure: 1. a hemodialysis tube; 2. clamping the opening; 3. a supporting corner; 4. a first support plate; 5. a first groove; 6. a first connecting shaft; 7. a second support plate; 8. a chute; 9. a first support bar; 10. fixing the rod; 11. an air cavity; 12. a bolt; 13. a piston; 14. a connecting rod; 15. an air outlet; 16. an air outlet pipe; 17. a hose; 18. a limiting block; 19. a first spring; 20. a fixed block; 21. a top plug; 22. a fixing ring; 221. a first half ring; 222. a second half ring; 23. a second connecting shaft; 24. a support pad; 25. an air inlet; 26. a second spring; 27. a third half ring; 28. a rubber air cushion; 29. a boss portion; 30. a second connecting shaft; 31. fixing the clamping rod; 32. a third spring; 33. a card slot; 34. a second support bar; 35. a second groove; 36. a rubber sheet; 37. a spacing pin; 38. and a fourth spring.
Detailed Description
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.
Referring to fig. 1-4, a specific embodiment of the present invention comprises a hemodialysis tube 1, a clamp port 2 and a support corner 3, wherein the support corner 3 is fixedly connected with a first support plate 4, the first support plate 4 is connected with a second support plate 7 through a first connecting shaft 6, the second support plate 7 is provided with a chute 8, the second support plate 7 is connected with a first support rod 9 and a second support rod 34, the first support rod 9 is fixedly connected with the second support plate 7, the second support rod 34 is in sliding contact with the chute 8, the first support rod 9 is fixedly connected with an air cavity 11 through a fixing rod 10, the air cavity 11 is in sliding contact with a piston 13, the piston 13 is fixedly connected with the second support rod 34 through a connecting rod 14, the second support rod 34 is further fixedly connected with a bolt 12, the air cavity 11 is in through connection with an air outlet tube 16 through an air outlet 15, the air outlet tube 16 is in through connection with a hose 17, the air outlet tube 16 is further inserted with a top plug 21, the supporting rod 9 is further fixedly connected with a fixed block 20, the fixed block 20 is connected with a fixed ring 22, the inner side of the fixed ring 22 is fixedly connected with a rubber air cushion 28, the rubber air cushion 28 is communicated with the hose 17 through an air inlet 25, the fixed ring 22 comprises a first half ring 221 and a second half ring 222, the second half ring 222 is internally sleeved with a third half ring 27, one end of the third half ring 27 is fixedly connected with the first half ring 221, the other end of the third half ring 27 is fixedly connected with the second half ring 222 through a second spring 26, the fixed block 20 is further fixedly connected with a supporting pad 24, the rubber air cushion 28 is further communicated with a plurality of bosses 29, the inner wall of the air cavity 11 is further fixedly connected with a limiting block 18, the limiting block 18 is fixedly connected with a first spring 19, when the blood fixing clamp of the invention is used, after the hemodialysis tube 1 is placed on the fixed ring 22, the second supporting rod 34 slides along the chute 8 in the second supporting plate 7 according to the length of the hemodialysis tube 1, if the right adjustment is needed, when the support rod 9 needs to slide to the right, the bolt 12 fixedly connected with the second support rod 34 is screwed, the second support rod 34 drives the piston 13 in the air cavity 11 to move to the right through the connecting rod 14, at the moment, the top plug 21 on the air outlet pipe 16 on the right side is taken off, and the top plug 21 on the air outlet pipe 16 on the left side is kept still, so that when the piston 13 moves to the right, the air in the air cavity 11 flows to the air outlet pipe 16 through the air outlet 15, the air outlet pipe 16 is communicated with the hose 17, and the air cushion on the inner side of the fixing ring 22 is communicated with the hose 17 through the air inlet 25, so that the air in the air cavity 11 is finally compressed into the rubber air cushion 28 on the inner side of the fixing ring 22, and then the top plug 21 is inserted into the air outlet pipe 16 on the right side, at the moment, the hemodialysis pipe 1 is well fixed by the inflated rubber air cushion 28, similarly, if the left adjustment is needed according to the length of the hemodialysis pipe 1, the top plug 21 on the left outlet pipe 16 is removed, the top plug 21 on the right outlet pipe 16 is kept still, so that the gas in the gas chamber 11 is compressed into the rubber gas cushion 28 on the inner side of the fixing ring 22, the hemodialysis tube 1 can be fixed well, further, the fixing ring 22 comprises a first half ring 221 and a second half ring 222, the first half ring 221 is fixedly connected with the fixing block 20, the second half ring 222 is connected with the fixing block 20 through a second connecting shaft 3023, a third half ring 27 is sleeved inside the second half ring 222, one end of the third half ring 27 is fixedly connected with the first half ring 221, the other end of the third half ring 27 is fixedly connected with the second half ring 222 through a second spring 26, so that the second half ring 222 can be adjusted according to different pipe diameters of the hemodialysis tube 1, the third half ring 27 is pulled out or contracted according to the pipe diameter of the hemodialysis tube 1, convenience and flexibility are achieved, and a supporting pad 24 is fixedly connected to the fixing block 20, prevent that hemodialysis pipe 1 from direct and fixed block 20 contact, still have many protruding portions 29 on the rubber air cushion 28, the frictional force of hemodialysis pipe 1 has been increased, better hemodialysis pipe 1 of having fixed, it is further, fixedly connected with stopper 18 on the air cavity 11 inner wall, stopper 18 goes up the first spring of fixedly connected with 19, prevent the excessive removal of second bracing piece 34, thereby make between two solid fixed rings 22 apart from too near or too far away, it is insecure to lead to hemodialysis pipe 1 to be fixed, thereby unnecessary damage appears, the device is easy to operate, it is fixed reliable. The top of the boss 29 is provided with a second groove 35, the inner walls of two sides of the second groove 35 are respectively fixedly connected with a rubber sheet 36, the top end of any one rubber sheet 36 is lapped with the side wall of another rubber sheet 36, and the upper edge of the rubber sheet 36 is higher than the top of the second groove 35 by 0.3-0.5 mm. A limit pin (37) is movably inserted in the overlapping part of the side wall of the rubber sheet 36, the inner end of the limit pin 37 is connected with the boss 29 through a fourth spring 38, and the fourth spring 38 is inserted in the boss 29.
In addition, in order to further improve the practical effect of the present invention, a first groove 5 is provided on the first support plate 4, a fixing rod 31 is connected to the first support plate 4 through a second connecting shaft 3023, the second connecting shaft 3023 is located inside the first groove 5, a slot 33 is provided on the second support plate 7, the fixing rod 31 is selectively contacted with the slot 33, a third spring 32 is connected to the first support plate 4, the other end of the third spring 32 is fixedly connected with the second support plate 7, in order to more conveniently allow a user to rotate the second support plate 7 when the clamping opening 2 is fixed on the bucket rim when the user pours the liquid in the hemodialysis tube 1, so that the fixed hemodialysis tube 1 is at a proper pouring angle and then is clamped in the slot 33 on the second support plate 7 through the fixing rod 31, because the third spring 32 is connected between the first support plate 4 and the second support plate 7, avoid hemodialysis pipe 1 to overturn completely and cause the condition such as breakage, need not contact hemodialysis pipe 1 moreover, avoided polluting, finish using, need to be fixed card pole 31 receive put in first recess 5 of first backup pad 4 can, convenient to use is nimble.
The connecting shaft, the spring and other devices used in the present invention belong to the mature prior art, and the specific structure thereof will not be described in detail herein.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a modified hemodialysis pipeline fixation clamp, includes presss from both sides mouthful (2) and journal (3), its characterized in that: a first supporting plate (4) is fixedly connected on the supporting corner (3), the first supporting plate (4) is connected with a second supporting plate (7) through a first connecting shaft (6), a sliding groove (8) is arranged on the second supporting plate (7), a first supporting rod (9) and a second supporting rod (34) are connected on the second supporting plate (7), the first supporting rod (9) is fixedly connected with the second supporting plate (7), the second supporting rod (34) is in sliding contact with the sliding groove (8), the first supporting rod (9) is fixedly connected with an air cavity (11) through a fixing rod (10), a piston (13) is in sliding contact with the air cavity (11), the piston (13) is fixedly connected with the second supporting rod (34) through a connecting rod (14), a bolt (12) is also fixedly connected with the second supporting rod (34), and an air outlet pipe (16) is connected on the air cavity (11) through an air outlet (15), the hemodialysis tube is characterized in that a hose (17) is connected to the air outlet tube (16) in a penetrating mode, a top plug (21) is inserted into the air outlet tube (16), a fixing block (20) is fixedly connected to the first supporting rod (9), a fixing ring (22) is connected to the fixing block (20), a rubber air cushion (28) is fixedly connected to the inner side of the fixing ring (22), the rubber air cushion (28) is connected with the hose (17) in a penetrating mode through an air inlet (25), and the rubber air cushion (28) clamps and fixes the hemodialysis tube (1).
2. The improved hemodialysis line securement clip, as recited in claim 1, wherein: the fixing ring (22) comprises a first half ring (221) and a second half ring (222), a third half ring (27) is sleeved inside the second half ring (222), one end of the third half ring (27) is fixedly connected with the first half ring (221), and the other end of the third half ring (27) is fixedly connected with the second half ring (222) through a second spring (26).
3. The improved hemodialysis line securement clip, as recited in claim 1, wherein: the fixed block (20) is also fixedly connected with a supporting pad (24).
4. The improved hemodialysis line securement clip, as recited in claim 1, wherein: the rubber air cushion (28) is also connected with a plurality of convex parts (29) in a penetrating way.
5. The improved hemodialysis line securement clip, as recited in claim 4, wherein: the top of the protruding portion (29) is provided with a second groove (35), the inner walls of two sides of the second groove (35) are respectively and fixedly connected with a rubber sheet (36), the top end of any one rubber sheet (36) is in lap joint with the side wall of the other rubber sheet (36), and the upper edge of the rubber sheet (36) is higher than the top of the second groove (35) by 0.3-0.5 mm.
6. The improved hemodialysis line securement clip, as recited in claim 5, wherein: the lapping part of the side wall of the rubber sheet (36) is movably inserted with a limiting pin (37), the inner side end of the limiting pin (37) is connected with the boss (29) through a fourth spring (38), and the fourth spring (38) is inserted in the boss (29).
7. The improved hemodialysis line securement clip, as recited in claim 1, wherein: the inner wall of the air cavity (11) is also fixedly connected with a limiting block (18), and the limiting block (18) is fixedly connected with a first spring (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910947265.5A CN110548188B (en) | 2019-10-08 | 2019-10-08 | Improved hemodialysis pipeline fixing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910947265.5A CN110548188B (en) | 2019-10-08 | 2019-10-08 | Improved hemodialysis pipeline fixing clamp |
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| Publication Number | Publication Date |
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| CN110548188A CN110548188A (en) | 2019-12-10 |
| CN110548188B true CN110548188B (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910947265.5A Active CN110548188B (en) | 2019-10-08 | 2019-10-08 | Improved hemodialysis pipeline fixing clamp |
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| CN (1) | CN110548188B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113616863A (en) * | 2021-08-02 | 2021-11-09 | 陈键 | Medical continuous negative pressure drainage fixing device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203263995U (en) * | 2013-05-30 | 2013-11-06 | 刘雷 | Hemodialysis pipe fixing clamp |
| TW201615328A (en) * | 2014-10-21 | 2016-05-01 | Sportsman Corp | Holding clamp |
| CN204637101U (en) * | 2015-03-19 | 2015-09-16 | 佳木斯大学 | Urology Department hemodialysis catheter inflated type fixed support |
| CN205434509U (en) * | 2016-03-17 | 2016-08-10 | 尹艳丽 | Fixing device for hemodialysis |
| CN206642150U (en) * | 2016-12-07 | 2017-11-17 | 华北理工大学 | The special fixing device of haemodialysis |
| CN108310499A (en) * | 2018-02-28 | 2018-07-24 | 无锡市人民医院 | A kind of air bag folder promoting the long-term conduit of haemodialysis |
| CN208809187U (en) * | 2018-06-13 | 2019-05-03 | 袁海川 | A kind of hemodialysis pipeline fixing clip |
| CN109125831A (en) * | 2018-08-25 | 2019-01-04 | 邓磊 | Nephrology dept.'s hemodialysis catheter inflatable fixes bracket |
| CN208687115U (en) * | 2018-09-06 | 2019-04-02 | 江苏国凯汽车部件有限公司 | A kind of car air-conditioner pipe clamp with shock-absorbing function |
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Inventor after: Li Junying Inventor after: Shi Hongguang Inventor after: Liu Xuemei Inventor after: Shen Mingqian Inventor before: Shen Mingqian |
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Effective date of registration: 20210819 Address after: 266000 Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Southern District of Qingdao City, Shandong Province Applicant after: THE AFFILIATED HOSPITAL OF QINGDAO University Applicant after: The 971st Navy hospital of the people 's Liberation Army of China Address before: 610000 building 24, Dongjiao memory, Chenghua District, Chengdu, Sichuan Applicant before: Shen Mingqian |
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