CN215274995U - Infusion apparatus capable of preventing air embolism - Google Patents
Infusion apparatus capable of preventing air embolism Download PDFInfo
- Publication number
- CN215274995U CN215274995U CN202120412296.3U CN202120412296U CN215274995U CN 215274995 U CN215274995 U CN 215274995U CN 202120412296 U CN202120412296 U CN 202120412296U CN 215274995 U CN215274995 U CN 215274995U
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- Prior art keywords
- infusion
- protective sheath
- drip chamber
- floating block
- communicated
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Links
- 238000001802 infusion Methods 0.000 title claims abstract description 80
- 206010001526 Air embolism Diseases 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 239000003814 drug Substances 0.000 claims abstract description 20
- 230000002265 prevention Effects 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims description 35
- 238000001125 extrusion Methods 0.000 claims description 11
- 210000003462 vein Anatomy 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 208000002193 Pain Diseases 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 239000000243 solution Substances 0.000 description 7
- 239000002504 physiological saline solution Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000017531 blood circulation Effects 0.000 description 4
- 238000001990 intravenous administration Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 229940079593 drug Drugs 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 206010041899 Stab wound Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the technical field of medical equipment, in particular to an air embolism prevention infusion apparatus, which comprises a puncture needle, a dropping funnel, an adjuster, a liquid medicine filter and an infusion needle, wherein the puncture needle is communicated with an inlet at the upper end of the dropping funnel through a first infusion tube, a liquid outlet at the lower end of the dropping funnel is communicated with one end of the liquid medicine filter through a second infusion tube, the adjuster is arranged on the second infusion tube, and the other end of the liquid medicine filter is communicated with the infusion needle through a third infusion tube; the novel drip chamber is characterized in that a support rod and a floating block are vertically arranged in the drip chamber, the lower end of the support rod is connected with the bottom of the drip chamber, a limiting block is arranged at the upper end of the support rod, the two support rods are symmetrically arranged on two sides of the liquid outlet, two connecting holes are vertically formed in the floating block, the support rod is connected with the support rod in a vertical sliding mode through the connecting holes, and when no liquid exists in the drip chamber, the lower end of the floating block blocks the liquid outlet.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to prevent air embolism transfusion system.
Background
In the process of treating patients in the pharmaceutical industry, venous transfusion is a very common treatment mode, the venous transfusion is a method for inputting a large amount of sterile liquid, electrolyte and medicine into a body from veins by utilizing the principles of atmospheric pressure and hydrostatic pressure, a transfusion device can be used in the process of venous transfusion, and in the process of transfusion, if liquid is dripped out and a physiological saline medicine bottle or a physiological saline medicine bag cannot be replaced in time, air is easy to enter a blood circulation system of a human body, so that the phenomenon of gas embolism is induced to cause discomfort of the patients, and the serious life danger can be caused, therefore, an air embolism prevention transfusion device is needed to solve the technical problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent air embolism transfusion system solves present transfusion system and when liquid has dripped and has failed in time to change normal saline medicine bottle or normal saline medicine bag, leads to the air to enter into human blood circulation system easily to arouse the uncomfortable problem of patient.
In order to solve the technical problem, the utility model adopts the following technical scheme:
an air embolism prevention infusion apparatus comprises a puncture needle, a dropping funnel, a regulator, a liquid medicine filter and an infusion needle, wherein the puncture needle is communicated with a liquid inlet at the upper end of the dropping funnel through a first infusion tube;
the novel drip chamber is characterized in that a support rod and a floating block are vertically arranged in the drip chamber, the lower end of the support rod is connected with the bottom of the drip chamber, a limiting block is arranged at the upper end of the support rod, the two support rods are symmetrically arranged on two sides of the liquid outlet, two connecting holes are vertically formed in the floating block, the support rod is connected with the support rod in a vertical sliding mode through the connecting holes, and when no liquid exists in the drip chamber, the lower end of the floating block blocks the liquid outlet.
The further technical proposal is that the floating block is a hollow structure.
The further technical proposal is that the floating block is made of a material with density less than that of water.
A further technical scheme is that the puncture needle comprises a first puncturing part and a first holding part, one end of the first puncturing part is used for puncturing an infusion bottle or an infusion bag, the other end of the first puncturing part is connected with one end of the first holding part, and the other end of the first holding part is communicated with a first infusion tube;
the side wall of the first holding part is transversely provided with a convex block extending outwards, a through hole is vertically formed in the convex block, an elastic extrusion ring is arranged on the wall of the through hole in a surrounding mode, and an inner ring of the elastic extrusion ring forms a clamping channel;
first portion of stabbing seals through first protective sheath, first protective sheath is equipped with the connecting plate of outside extension with first holding on the outer wall of portion one side of pasting, the lower extreme of connecting plate is equipped with the joint post, the joint post card is established in the joint passageway.
A further technical scheme is that the transfusion needle comprises a second puncturing part and a second holding part, one end of the second puncturing part is used for puncturing a human vein, the other end of the second puncturing part is connected with one end of the second holding part, and the other end of the second holding part is communicated with a third transfusion tube;
the second pierces the portion and seals through the second protective sheath, the second protective sheath holds with the second and gets the inner wall of one side that links to each other and be equipped with the internal thread, the second is held and is got the outer wall that portion and the continuous one side of second protective sheath and be equipped with the external screw thread, the second protective sheath realizes holding with the second through the screw-thread fit of internal thread and external screw thread and gets the portion and link to each other.
A further technical scheme is that an adjusting channel used for accommodating a second infusion tube is arranged in the adjuster, the bottom of the adjusting channel is obliquely arranged, an adjusting groove communicated with the adjusting channel is formed in the upper side of the adjuster, a roller is arranged in the adjusting groove in a rolling mode, the lower side of the roller is located in the adjusting channel, and the roller rolls along the adjusting groove to enable the gap between the lower side of the roller and the bottom of the adjusting channel to be adjusted.
A further technical scheme is that the groove walls on two opposite sides of the adjusting groove are provided with inward-recessed sliding grooves, and the groove bottoms of the sliding grooves are provided with first clamping teeth;
the two sides of the roller are provided with connecting rods, the connecting rods are provided with second clamping teeth, the two connecting rods are arranged in the sliding grooves on the two sides respectively, and the first clamping teeth are meshed with the second clamping teeth.
Compared with the prior art, the beneficial effects of the utility model are that: the puncture needle is used for penetrating into an infusion bottle or an infusion bag, the infusion needle is used for penetrating into a human vein, the first infusion tube is matched, the dropping funnel, the second infusion tube, the liquid medicine filter and the third infusion tube play a role of intravenous infusion, the regulator is used for regulating the infusion speed so as to adapt to different liquid medicines and crowds with different systems, wherein the dropping funnel is internally provided with a support rod and a floating block, when the normal saline solution is in the dropping funnel, the floating block can float upwards along the support rod, and further the liquid outlet on the lower side of the dropping funnel is opened so as to enable the intravenous infusion to be carried out normally, when the normal saline solution is dripped and the normal saline solution or the normal saline solution bag cannot be replaced in time, the normal saline solution is not in the dropping funnel any more, at the moment, the floating block can float downwards along the support rod gradually under the action of gravity, and finally the dropping funnel is blocked, at the moment, the normal saline solution in the second infusion bottle and the third infusion bottle can not flow any more, the air in the dropping funnel can be prevented from entering the dropping funnel, so that the air is prevented from entering the blood circulation system of the human body, and discomfort of a patient is avoided.
Drawings
Fig. 1 is a schematic structural view of the air embolism prevention infusion apparatus of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the middle dropping funnel of the present invention.
Fig. 3 is a schematic structural view of another embodiment of the dropping funnel of the present invention.
Fig. 4 is a cross-sectional view of the middle puncture needle cover of the present invention after being provided with the first protective cover.
Fig. 5 is a partially enlarged view of a portion a in fig. 4 according to the present invention.
Fig. 6 is a cross-sectional view of the regulator of the present invention.
Fig. 7 is a schematic view of the middle roller and the connecting rod of the present invention disposed in the sliding groove.
FIG. 8 is a cross-sectional view of the middle infusion needle cover of the present invention after being provided with a second protective cover.
Icon: 1-puncture needle, 2-dropping funnel, 3-regulator, 4-liquid medicine filter, 5-transfusion needle, 6-first transfusion tube, 7-second transfusion tube, 8-third transfusion tube, 9-liquid outlet, 10-support rod, 11-floating block, 12-limiting block, 13-connecting hole, 14-first protective cover, 15-connecting plate, 16-clamping column, 17-second protective cover, 101-first puncturing part, 102-first holding part, 103-lug, 104-through hole, 105-elastic extrusion ring, 106-clamping channel, 301-regulating channel, 302-regulating groove, 303-roller, 304-gap, 305-chute, 306-first clamping tooth, 307-connecting rod, 308-second clamping tooth, 501-second piercing part, 502-second grasping part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example (b):
fig. 1-8 show a preferred embodiment of an air embolism prevention infusion apparatus of the present invention, the air embolism prevention infusion apparatus in this embodiment specifically includes a puncture needle 1, a dropping funnel 2, an adjuster 3, a liquid medicine filter 4 and an infusion needle 5, the puncture needle 1 is communicated with a liquid inlet at the upper end of the dropping funnel 2 through a first infusion tube 6, a liquid outlet 9 at the lower end of the dropping funnel 2 is communicated with one end of the liquid medicine filter 4 through a second infusion tube 7, the adjuster 3 is disposed on the second infusion tube 7, and the other end of the liquid medicine filter 4 is communicated with the infusion needle 5 through a third infusion tube 8; the utility model discloses a drip chamber, including drip chamber 2, the interior vertical bracing piece 10 and the floating block 11 of being equipped with of drip chamber 2, the lower extreme of bracing piece 10 links to each other with the bottom of drip chamber 2, and the upper end of bracing piece 10 is equipped with stopper 12, bracing piece 10 sets up to two and the symmetry sets up the both sides at liquid outlet 9, the vertical two connecting holes 13 that are equipped with on the floating block 11, bracing piece 10 passes through connecting hole 13 and the vertical slip of bracing piece 10 and links to each other, and when no liquid in drip chamber 2, the lower extreme of floating block 11 blocks off liquid outlet 9.
The puncture needle 1 is used for penetrating into an infusion bottle or an infusion bag, the infusion needle 5 is used for puncturing human veins, and then the first infusion tube 6, the dropping funnel 2, the second infusion tube 7, the liquid medicine filter 4 and the third infusion tube 8 are matched to achieve the effect of intravenous infusion, the regulator 3 is used for regulating the infusion speed so as to adapt to different liquid medicines and crowds with different systems, wherein a support rod 10 and a floating block 11 are arranged in the dropping funnel 2, when physiological saline solution exists in the dropping funnel 2, the floating block 11 can float upwards along the support rod 10, and further a liquid outlet 9 on the lower side of the dropping funnel 2 is opened so as to enable the intravenous infusion to be normally carried out, when the physiological saline solution is dripped out and cannot be replaced in time, the physiological saline solution does not exist in the dropping funnel 2, at the moment, the floating block 11 can gradually float downwards along the support rod 10 under the action of gravity, and finally the dropping funnel 2 is blocked, at this time, the physiological saline solution in the second infusion tube 7 and the third infusion tube 8 will not flow any more, so that the air in the dropping funnel 2 can be prevented from entering the infusion tube, and the air can be prevented from entering the blood circulation system of the human body, so that the discomfort of the patient can be avoided.
Wherein the stopper 12 of bracing piece 10 upside is used for avoiding the feed inlet department of floater 11 come-up to drip chamber 2 upper end and with the inlet shutoff, and leads to the unable condition of drippage of liquid to appear, and bracing piece 10 can also be used for carrying out vertical unsteady spacing to floater 11 to make floater 11 only can float along the direction of height of bracing piece 10, thereby make floater 11 can be accurate after down with the liquid outlet 9 shutoff of drip chamber 2 lower extreme.
The two support rods 10 are symmetrically arranged on two sides of the liquid outlet 9, so that the floating block 11 floats up and down more uniformly, and the liquid outlet 9 at the lower end of the dropping funnel 2 can be accurately sealed after the floating block 11 falls.
The floating block 11 is of a hollow structure, or the floating block 11 is made of a material with density smaller than that of water, so that the floating block 11 can float in the dropping funnel 2.
The puncture needle 1 comprises a first puncture part 101 and a first holding part 102, one end of the first puncture part 101 is used for penetrating into an infusion bottle or an infusion bag, the other end of the first puncture part 101 is connected with one end of the first holding part 102, and the other end of the first holding part 102 is communicated with a first infusion tube 6; the side wall of the first holding part 102 is transversely provided with a convex block 103 extending outwards, a through hole 104 is vertically arranged on the convex block 103, an elastic extrusion ring 105 is arranged on the hole wall surrounding the through hole 104, and the inner ring of the elastic extrusion ring 105 forms a clamping channel 106; first portion 101 of stinging seals through first protective sheath 14, first protective sheath 14 is equipped with the connecting plate 15 of outside extension on the outer wall of one side with first portion 102 of gripping pastes mutually, the lower extreme of connecting plate 15 is equipped with joint post 16, joint post 16 card is established in joint passageway 106.
Wherein set up lug 103 in the outside of first portion 102 of grabbing, set up through-hole 104 in the lug 103, set up on the pore wall of through-hole 104 and be annular elastic extrusion ring 105, elastic extrusion ring 105's inner wall alright form joint passageway 106, set up connecting plate 15 at first protective sheath 14's outer wall simultaneously, joint post 16 card of connecting plate 15 downside is established in joint passageway 106, alright realize first protective sheath 14 and the first portion 102 of grabbing between stable connection, and this connected mode is detachable, can avoid first protective sheath 14 directly to drop through elastic extrusion ring 105's setting, make first protective sheath 14 need just can be taken off under the exogenic action.
The infusion needle 5 comprises a second puncturing part 501 and a second grasping part 502, one end of the second puncturing part 501 is used for puncturing a human vein, the other end of the second puncturing part 501 is connected with one end of the second grasping part 502, and the other end of the second grasping part 502 is communicated with a third infusion tube 8; the second portion 501 of stabbing seals through second protective sheath 17, the inner wall that the portion 502 of getting links to each other is held with the second to second protective sheath 17 and is equipped with the internal thread, the outer wall that the portion 502 of getting links to each other one side with second protective sheath 17 is held to the second is equipped with the external screw thread, second protective sheath 17 realizes holding through the screw-thread fit of internal thread and external screw thread and gets portion 502 continuous with the second.
The second portion of getting 502 of grabbing is used for medical personnel to hold and gets, thereby be convenient for medical personnel to pierce the human vein of portion 501 with the second, pierce portion 501 through setting up second protective sheath 17 and establish the second, can pierce portion 501 through second protective sheath 17 to the second before the use and play the effect of dustproof protection, and accomplish the back at the infusion, can embolia the second again in portion 501 is pierced to the second protective sheath 17, thereby avoid the second to pierce portion 501 to cause stabbing etc. to medical personnel or cleanup crew.
Wherein the second protective sheath 17 and the second portion 502 of grabbing pass through threaded connection to realize dismantling between second protective sheath 17 and the second portion 502 of grabbing and linking to each other, can also avoid second protective sheath 17 directly to drop, make second protective sheath 17 need just can remove under the exogenic action.
Be equipped with the regulation passageway 301 that is used for holding second transfer line 7 in the regulator 3, the bottom slope of adjusting passageway 301 sets up, the upside of regulator 3 is equipped with the adjustment tank 302 that is linked together with regulation passageway 301, the roll is equipped with gyro wheel 303 in the adjustment tank 302, the downside of gyro wheel 303 is located regulation passageway 301, gyro wheel 303 rolls along adjustment tank 302 so that the clearance 304 between gyro wheel 303 downside and the regulation passageway 301 bottom can be adjusted.
Through the lateral sliding of gyro wheel 303 in adjustment tank 302, and then make the clearance 304 between gyro wheel 303 bottom and the regulation passageway 301 bottom adjust, when the clearance 304 of gyro wheel 303 bottom and regulation passageway 301 bottom reduces gradually, gyro wheel 303 will extrude second transfer line 7 gradually, so that the liquid flow rate reduces, and then slow down infusion speed, when the clearance 304 of gyro wheel 303 bottom and regulation passageway 301 bottom increases gradually, the extrusion of gyro wheel 303 to second transfer line 7 will reduce, the liquid flow rate alright accelerate this moment, thereby make infusion speed accelerate.
The circumferential surface of the roller 303 can be provided with anti-slip fillets, so that slipping during adjustment of the infusion speed is avoided.
The groove walls of the two opposite sides of the adjusting groove 302 are provided with inward-recessed sliding grooves 305, the groove bottoms of the sliding grooves 305 are provided with first latches 306, the two sides of the roller 303 are provided with connecting rods 307, the connecting rods 307 are provided with second latches 308, the two connecting rods 307 are respectively arranged in the sliding grooves 305 of the two sides, and the first latches 306 and the second latches 308 are meshed with each other. The roller 303 can be fixed in the adjusting groove 302 in a rolling manner through the sliding groove 305 and the connecting rod 307, and the roller 303 can roll along the length direction of the second latch 308 through the mutual meshing of the first latch 306 and the second latch 308, and the roller 303 does not slip in the rolling process.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (7)
1. An air embolism prevention infusion apparatus is characterized in that: the infusion needle comprises a puncture needle (1), a dropping funnel (2), an adjuster (3), a liquid medicine filter (4) and an infusion needle (5), wherein the puncture needle (1) is communicated with a liquid inlet at the upper end of the dropping funnel (2) through a first infusion tube (6), a liquid outlet (9) at the lower end of the dropping funnel (2) is communicated with one end of the liquid medicine filter (4) through a second infusion tube (7), the adjuster (3) is arranged on the second infusion tube (7), and the other end of the liquid medicine filter (4) is communicated with the infusion needle (5) through a third infusion tube (8);
the utility model discloses a drip chamber, including drip chamber (2), the lower extreme of bracing piece (10) and floating block (11) are vertically equipped with in drip chamber (2), the lower extreme of bracing piece (10) links to each other with the bottom of drip chamber (2), and the upper end of bracing piece (10) is equipped with stopper (12), bracing piece (10) set up to two and the symmetry sets up the both sides at liquid outlet (9), the vertical two connecting holes (13) that are equipped with on floating block (11), bracing piece (10) link to each other through connecting hole (13) and bracing piece (10) vertical slip, and when no liquid in drip chamber (2), the lower extreme of floating block (11) is with liquid outlet (9) shutoff.
2. The air embolism prevention infusion set according to claim 1, wherein: the floating block (11) is of a hollow structure.
3. The air embolism prevention infusion set according to claim 1, wherein: the floating block (11) is made of a material with density smaller than that of water.
4. The air embolism prevention infusion set according to claim 1, wherein: the puncture needle (1) comprises a first puncture part (101) and a first holding part (102), one end of the first puncture part (101) is used for penetrating into an infusion bottle or an infusion bag, the other end of the first puncture part is connected with one end of the first holding part (102), and the other end of the first holding part (102) is communicated with a first infusion tube (6);
the side wall of the first holding part (102) is transversely provided with a convex block (103) extending outwards, a through hole (104) is vertically formed in the convex block (103), an elastic extrusion ring (105) is arranged on the wall of the through hole (104), and an inner ring of the elastic extrusion ring (105) forms a clamping channel (106);
first portion of stinging (101) seals through first protective sheath (14), first protective sheath (14) and first portion of grabbing (102) paste the outer wall of one side and be equipped with connecting plate (15) of outside extension mutually, the lower extreme of connecting plate (15) is equipped with joint post (16), joint post (16) card is established in joint passageway (106).
5. The air embolism prevention infusion set according to claim 1, wherein: the infusion needle (5) comprises a second puncturing part (501) and a second grasping part (502), one end of the second puncturing part (501) is used for puncturing a human body vein, the other end of the second puncturing part is connected with one end of the second grasping part (502), and the other end of the second grasping part (502) is communicated with a third infusion tube (8);
the second portion of stinging (501) seals through second protective sheath (17), the inner wall that portion (502) of getting links to each other one side is held with the second to second protective sheath (17) is equipped with the internal thread, the outer wall that portion (502) of getting and second protective sheath (17) link to each other one side is held to the second is equipped with the external screw thread, second protective sheath (17) realize holding through the screw-thread fit of internal thread and external screw thread and get portion (502) and link to each other with the second.
6. The air embolism prevention infusion set according to claim 1, wherein: be equipped with regulation passageway (301) that is used for holding second transfer line (7) in regulator (3), the bottom slope of adjusting passageway (301) sets up, the upside of regulator (3) is equipped with adjustment tank (302) that are linked together with regulation passageway (301), the roll is equipped with gyro wheel (303) in adjustment tank (302), the downside of gyro wheel (303) is located regulation passageway (301), gyro wheel (303) roll along adjustment tank (302) so that clearance (304) between gyro wheel (303) downside and regulation passageway (301) bottom can be adjusted.
7. The air embolism prevention infusion set according to claim 6, wherein: the groove walls of two opposite sides of the adjusting groove (302) are respectively provided with an inward concave sliding groove (305), and the groove bottom of the sliding groove (305) is provided with a first latch (306);
both sides of gyro wheel (303) all are equipped with connecting rod (307), all be equipped with second latch (308) on connecting rod (307), two connecting rods (307) set up respectively in spout (305) of both sides, and first latch (306) and second latch (308) intermeshing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120412296.3U CN215274995U (en) | 2021-02-25 | 2021-02-25 | Infusion apparatus capable of preventing air embolism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120412296.3U CN215274995U (en) | 2021-02-25 | 2021-02-25 | Infusion apparatus capable of preventing air embolism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215274995U true CN215274995U (en) | 2021-12-24 |
Family
ID=79532323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120412296.3U Expired - Fee Related CN215274995U (en) | 2021-02-25 | 2021-02-25 | Infusion apparatus capable of preventing air embolism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215274995U (en) |
-
2021
- 2021-02-25 CN CN202120412296.3U patent/CN215274995U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |