CN107970499B - Eccentric self-exhausting transfusion system - Google Patents
Eccentric self-exhausting transfusion system Download PDFInfo
- Publication number
- CN107970499B CN107970499B CN201610916935.3A CN201610916935A CN107970499B CN 107970499 B CN107970499 B CN 107970499B CN 201610916935 A CN201610916935 A CN 201610916935A CN 107970499 B CN107970499 B CN 107970499B
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- China
- Prior art keywords
- dropping funnel
- seat
- hose
- drainage
- steel bottle
- 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.)
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- 238000001802 infusion Methods 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 229920003023 plastic Polymers 0.000 claims abstract description 17
- 239000004033 plastic Substances 0.000 claims abstract description 17
- 239000003814 drug Substances 0.000 claims abstract description 16
- 238000005096 rolling process Methods 0.000 claims abstract description 9
- 238000001990 intravenous administration Methods 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 239000012528 membrane Substances 0.000 claims abstract description 4
- 238000013022 venting Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 6
- 239000000853 adhesive Substances 0.000 abstract description 5
- 230000001070 adhesive effect Effects 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 2
- 229920003225 polyurethane elastomer Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006124 polyolefin elastomer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
-
- 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
- A61M5/36—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 with means for eliminating or preventing injection or infusion of air into 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/75—General characteristics of the apparatus with filters
- A61M2205/7545—General characteristics of the apparatus with filters for solid matter, e.g. microaggregates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Abstract
The invention discloses an eccentric self-exhaust infusion apparatus, which comprises a plastic steel bottle inserting needle, a locking rolling port, a drip chamber, a flow regulator, a liquid medicine filter and a single-wing intravenous infusion needle, wherein the drip chamber comprises a drip chamber cover, a drip chamber body and a drip chamber seat which are coaxially arranged in sequence; the plastic steel bottle inserting needle is connected with the dropping funnel cover through a first hose, a protective sleeve is sleeved on the plastic steel bottle inserting needle, one side of the plastic steel bottle inserting needle is provided with an air inlet seat, and an air filtering membrane is arranged in the air inlet seat; the locking rolling port is clamped on the first hose; the liquid medicine filter is connected with the dropping funnel seat through a second hose; the flow regulator is arranged on the second hose; the single-wing intravenous infusion needle is in threaded connection with the liquid medicine filter. The eccentric self-exhausting infusion apparatus can effectively realize the automatic exhaust effect in the infusion process, simultaneously reduce the components in the dropping funnel of the infusion apparatus to the minimum, avoid bringing in risks such as particles, adhesive residues and the like, and is beneficial to improving the product performance.
Description
Technical Field
The invention relates to an infusion apparatus, in particular to an eccentric self-exhausting infusion apparatus.
Background
The infusion apparatus product for automatic exhaust in the current market adopts a liquid discharge column in a dropping funnel, and grooves are formed in the column for drainage, so that the infusion apparatus product seals a drainage groove in advance in the infusion process, and the liquid is discharged after the liquid level reaches a certain height, in the process, bubbles cannot enter the drainage groove, and bubbles are prevented from forming in a guide pipe at the lower end of the infusion apparatus
Meanwhile, products on the market at present are designed at the center of a drip chamber in the design of the drainage chamber, and when liquid in a dropper directly enters the drip chamber, the liquid can directly impact the drainage chamber, and once water drops enter the drainage chamber, bubbles can enter a guide pipe of the infusion apparatus, so that automatic exhaust is invalid. Some manufacturers design is avoiding the drainage groove to be impacted, and a baffle plate or a baffle plate capable of blocking liquid from falling is arranged at the top of the exhaust groove, so that a fitting is added in the infusion set drip chamber, and risks such as particles, adhesive residues and the like possibly existing in product assembly can be introduced while the fitting is added, and the overall risk level of the infusion set is increased.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides an eccentric self-exhausting infusion apparatus, can effectively realize the automatic exhaust effect in the infusion process, simultaneously reduces the components in the dropping funnel of the infusion apparatus to the minimum, does not bring the risks of particles, adhesive residues and the like, and is beneficial to improving the product performance.
The technical scheme for achieving the purpose is as follows: an eccentric self-venting infusion apparatus comprises a plastic steel bottle inserting needle, a locking rolling port, a dropping funnel, a flow regulator, a liquid medicine filter and a single-wing intravenous infusion needle, wherein:
the dropping funnel comprises a dropping funnel cover, a dropping funnel body and a dropping funnel seat which are coaxially arranged in sequence, the dropping funnel body is of a hollow barrel structure, the dropping funnel cover is blocked at the top end of the dropping funnel body, and the dropping funnel seat is blocked at the bottom end of the dropping funnel body;
the plastic steel bottle inserting needle is connected with the dropping funnel cover through a first hose, a protective sleeve is sleeved on the plastic steel bottle inserting needle, an air inlet seat is arranged on one side of the plastic steel bottle inserting needle, and an air filtering membrane is arranged in the air inlet seat;
the locking rolling port is clamped on the first hose;
the liquid medicine filter is connected with the dropping funnel seat through a second hose;
the flow regulator is arranged on the second hose;
the single-wing intravenous infusion needle is in threaded connection with the liquid medicine filter.
The eccentric self-exhaust infusion apparatus comprises a dropping funnel cover body, a guide bar, a guide tube seat, a dropper and a baffle plate, wherein the guide bar is arranged on the upper surface of the dropping funnel cover body; the guide tube seats and the droppers are arranged on the upper side and the lower side of the center of the dropping funnel cover body in a one-to-one correspondence manner, and the central lines of the guide tube seats and the droppers are respectively overlapped with the central line of the dropping funnel cover body; the baffle is clamped in the opening at the lower end of the dropper, and the distance between the baffle and the lower surface of the dropper is not more than 0.4mm; two shunt grooves are formed in the pipe wall of the dropper and are located on two sides of the baffle plate in a one-to-one correspondence mode, the two shunt grooves are symmetrically arranged, and each shunt groove is formed in the axial direction of the dropper;
the dropping funnel seat comprises a dropping funnel seat body, a drainage column and a conduit connecting seat, wherein the drainage column and the conduit connecting seat are eccentrically arranged on the upper side and the lower side of the dropping funnel seat body in one-to-one correspondence, the drainage column and the conduit connecting seat are positioned on the same central line, and the distance between the central line of the drainage column and the central line of the dropping funnel seat body is 4-5mm; three drainage grooves are formed in the drainage column; the upper surface of the dropping funnel seat body is an inclined surface, and the lowest position of the inclined surface is positioned at the center of the drainage column;
the angle between the central line of the guide bar and the vertical plane where the central axis of the drainage column is positioned is-10 degrees to +10 degrees;
the plastic steel bottle inserting needle is connected with the guide pipe seat of the dropping funnel cover through a first hose;
the liquid medicine filter is connected with the conduit connection seat of the dropping funnel seat through a second hose.
The eccentric self-exhausting infusion apparatus is characterized in that the three drainage grooves are uniformly distributed on the drainage column, and each drainage groove is formed along the axial direction of the drainage column.
The eccentric self-exhausting infusion apparatus, wherein the width of the drainage groove is 0.3-0.4mm.
The eccentric self-exhausting infusion apparatus is characterized in that the length of the guide strip is 4-5mm, and the width of the guide strip is 1mm.
The eccentric self-exhausting infusion apparatus is characterized in that the guide strip is arranged along the radial direction of the dropping funnel cover body, and the guide strip is perpendicular to the center line of the diversion channel.
The eccentric self-exhausting infusion apparatus is characterized in that the central line of the guide bar and the central line of the drainage column are positioned on the same vertical plane.
The eccentric self-exhausting infusion apparatus can effectively realize the automatic exhaust effect in the infusion process, simultaneously reduce the components in the dropping funnel of the infusion apparatus to the minimum, avoid bringing in risks such as particles, adhesive residues and the like, and is beneficial to improving the product performance.
Drawings
FIG. 1 is a schematic diagram of an eccentric self-venting infusion set;
FIG. 2 is a front view of a drip chamber of the eccentric self-venting infusion set;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;
FIG. 4 is a B-B cross-sectional view of FIG. 2;
FIG. 5 is a top view of a drip chamber of an eccentric self-venting infusion set
FIG. 6 is a side view of a drip chamber of the eccentric self-venting infusion set;
FIG. 7 is an enlarged view of the C-C cross-sectional view of FIG. 6;
FIG. 8 is a schematic view of the structure of the lid of the bucket;
fig. 9 is a schematic structural view of the dropping funnel holder.
Detailed Description
In order to enable those skilled in the art to better understand the technical scheme of the present invention, the following detailed description is provided with reference to the accompanying drawings:
referring to fig. 1 to 9, an eccentric self-venting infusion set according to the preferred embodiment of the invention comprises a plastic steel bottle-inserting needle 4, a locking rolling port 5, a drip funnel, a flow regulator 6, a liquid medicine filter 7 and a single-wing intravenous infusion needle 8.
The dropping funnel comprises a dropping funnel cover 1, a dropping funnel body 3 and a dropping funnel seat 2 which are coaxially arranged in sequence, the dropping funnel body 3 is of a hollow barrel structure, the inner diameter of the dropping funnel body 3 is 16-16.2mm, the outer diameter of the dropping funnel body 3 is 17.5-17.7mm, and the length of the dropping funnel body 3 is 60-70mm. The dropping funnel body 3 is made of PVC (polyvinyl chloride), TPU (polyolefin elastomer) or TPE (polyurethane elastomer). The dropping funnel cover 1 is blocked at the top end of the dropping funnel body 3, and the dropping funnel seat 2 is blocked at the bottom end of the dropping funnel body 3;
referring to fig. 1 again, the plastic-steel bottle-inserting needle 4 is connected with the dropping funnel cover 1 through a first hose 91, a protective sleeve 41 is sleeved on the plastic-steel bottle-inserting needle 4, an air inlet seat 42 is arranged on one side of the plastic-steel bottle-inserting needle 4, and an air filtering membrane is arranged in the air inlet seat 42; the locking rolling port 5 is clamped on the first hose 91; the liquid medicine filter 7 is connected with the dropping funnel seat 2 through a second hose 92; the flow regulator 6 is provided on the second hose 92; the single-wing intravenous transfusion needle 8 is in threaded connection with the liquid medicine filter 6
Referring to fig. 8 again, the dropping funnel cover 1 includes a dropping funnel cover body 11, a guide bar 12, a conduit seat 13, a dropper 14 and a baffle 15, wherein the guide bar 12 is arranged on the upper surface of the dropping funnel cover body 11; the catheter seat 13 and the dropper 14 are arranged on the upper side and the lower side of the center of the dropping funnel cover body 11 in a one-to-one correspondence manner, and the central lines of the catheter seat 13 and the dropper 14 are respectively overlapped with the central line of the dropping funnel cover body 11; the baffle 15 is clamped in the opening at the lower end of the dropper 14, and the distance between the baffle 15 and the lower surface of the dropper 14 is not more than 0.4mm; two diversion trenches 16 are formed in the pipe wall of the dropper 14, the two diversion trenches 16 are located on two sides of the baffle 15 in a one-to-one correspondence manner, and the two diversion trenches 16 are symmetrically arranged (see fig. 4). Each of the diversion trenches 16 is opened along the axial direction of the dropper 14, the guide strips 12 are arranged along the radial direction of the dropping funnel cover body 11, the opening direction of the diversion trench 16 is perpendicular to the direction of the guide strips 12, and the guide strips 12 are perpendicular to the center line of the diversion trench 16.
Referring to fig. 9 again, the dropping funnel stand 2 includes a dropping funnel stand body 21, a drainage column 22 and a conduit connection stand 23, wherein the drainage column 22 and the conduit connection stand 23 are eccentrically arranged on the upper and lower sides of the dropping funnel stand body 21 in one-to-one correspondence, the drainage column 22 and the conduit connection stand 23 are located on the same central line, and the distance h between the central line of the drainage column 22 and the central line of the dropping funnel stand body 21 is 4-5mm (see fig. 6); three drainage grooves 24 (see fig. 7) are formed in the drainage column 22; the three drainage grooves 24 are uniformly distributed on the drainage column 22, and each drainage groove 24 is formed along the axial direction of the drainage column 22. The width of the drainage groove 24 is 0.3-0.4mm. The upper surface of the drip chamber seat body 21 is an inclined surface, and the lowest position of the inclined surface is positioned at the center of the drainage column 22.
The length a of the guide strip 12 is 4-5mm, the width b is 1mm (see fig. 5), the angle between the central line of the guide strip 12 and the vertical plane where the central axis of the drainage column 22 is located is-10 degrees to +10 degrees, preferably, the central line of the guide strip 12 and the central axis of the drainage column 22 are located on the same vertical plane, that is, the angle between the central line of the guide strip 12 and the vertical plane where the central axis of the drainage column 22 is located is 0 degrees. That is, the guide bar 12 is located on the same side as the drainage column 22, and the guide bar 12 has the function that the guide bar 12 should be aligned with the eccentric direction of the drainage column 22 of the drip chamber holder when assembled.
When the eccentric self-exhausting infusion apparatus is assembled, the dropping funnel cover 1 and the dropping funnel seat 2 are respectively arranged in the dropping funnel body 3 from two sides, meanwhile, the guide strip 12 on the dropping funnel cover 1 and the drainage column 22 on the dropping funnel seat 2 are in the same direction, the plastic steel bottle inserting needle 4 is connected with the guide tube seat 13 of the dropping funnel cover 1 through the first hose 91, and the protective sleeve 41 is sleeved on the plastic steel bottle inserting needle 4; the locking rolling port 5 is clamped on the first hose 91; the liquid medicine filter 7 is connected with the conduit connecting seat 23 of the drip chamber seat 2 through a second hose 92; the flow regulator 6 is provided on the second hose 92; the single-wing intravenous infusion needle 8 is in threaded connection with the liquid medicine filter 6.
In summary, according to the eccentric self-exhaust infusion apparatus disclosed by the invention, the distance h between the center line of the drainage column 22 and the center line of the drip chamber seat body 21 is 4-5mm, and the drainage column 22 is eccentrically arranged, so that the automatic exhaust effect in the infusion process can be effectively realized, meanwhile, the components in the drip chamber of the infusion apparatus are reduced to the minimum, the risks of particles, adhesive residues and the like are avoided, and the improvement of the product performance is facilitated.
It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration only and not for limitation of the invention, and that variations and modifications of the above described embodiments are intended to fall within the scope of the claims of the invention as long as they fall within the true spirit of the invention.
Claims (3)
1. The utility model provides an eccentric self-venting transfusion system which is characterized in that, including plastic steel bottle inserting needle, locking rolling mouth, drip chamber, flow regulator, liquid medicine filter and single wing venous transfusion needle, wherein:
the dropping funnel comprises a dropping funnel cover, a dropping funnel body and a dropping funnel seat which are coaxially arranged in sequence, the dropping funnel body is of a hollow barrel structure, the dropping funnel cover is blocked at the top end of the dropping funnel body, and the dropping funnel seat is blocked at the bottom end of the dropping funnel body;
the plastic steel bottle inserting needle is connected with the dropping funnel cover through a first hose, a protective sleeve is sleeved on the plastic steel bottle inserting needle, an air inlet seat is arranged on one side of the plastic steel bottle inserting needle, and an air filtering membrane is arranged in the air inlet seat;
the locking rolling port is clamped on the first hose;
the liquid medicine filter is connected with the dropping funnel seat through a second hose;
the flow regulator is arranged on the second hose;
the single-wing intravenous infusion needle is in threaded connection with the liquid medicine filter;
the dropping funnel cover comprises a dropping funnel cover body, a guide bar, a guide tube seat, a dropper and a baffle plate, wherein the guide bar is arranged on the upper surface of the dropping funnel cover body; the guide tube seats and the droppers are arranged on the upper side and the lower side of the center of the dropping funnel cover body in a one-to-one correspondence manner, and the central lines of the guide tube seats and the droppers are respectively overlapped with the central line of the dropping funnel cover body; the baffle is clamped in the opening at the lower end of the dropper, and the distance between the baffle and the lower surface of the dropper is not more than 0.4mm; two shunt grooves are formed in the pipe wall of the dropper and are located on two sides of the baffle plate in a one-to-one correspondence mode, the two shunt grooves are symmetrically arranged, and each shunt groove is formed in the axial direction of the dropper; the guide strip is arranged along the radial direction of the dropping funnel cover body, and the opening direction of the shunt groove is perpendicular to the direction of the guide strip;
the dropping funnel seat comprises a dropping funnel seat body, a drainage column and a conduit connecting seat, wherein the drainage column and the conduit connecting seat are eccentrically arranged on the upper side and the lower side of the dropping funnel seat body in one-to-one correspondence, the drainage column and the conduit connecting seat are positioned on the same central line, and the distance between the central line of the drainage column and the central line of the dropping funnel seat body is 4-5mm; three drainage grooves are formed in the drainage column; the upper surface of the dropping funnel seat body is an inclined surface, and the lowest position of the inclined surface is positioned at the center of the drainage column;
the guide strip and the drainage column are positioned on the same side, and the guide strip has the function that the eccentric directions of the guide strip and the drainage column of the dropping funnel seat are consistent when the guide strip is assembled;
the plastic steel bottle inserting needle is connected with the guide pipe seat of the dropping funnel cover through a first hose;
the liquid medicine filter is connected with the conduit connecting seat of the dropping funnel seat through a second hose;
the three drainage grooves are uniformly distributed on the drainage column, and each drainage groove is formed along the axial direction of the drainage column.
2. The eccentric self-venting infusion set of claim 1, wherein the drainage groove has a width of 0.3-0.4mm.
3. An eccentric self-venting infusion device according to claim 1, wherein the guide strip is 4-5mm in length and 1mm in width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610916935.3A CN107970499B (en) | 2016-10-21 | 2016-10-21 | Eccentric self-exhausting transfusion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610916935.3A CN107970499B (en) | 2016-10-21 | 2016-10-21 | Eccentric self-exhausting transfusion system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107970499A CN107970499A (en) | 2018-05-01 |
| CN107970499B true CN107970499B (en) | 2023-11-21 |
Family
ID=62003596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610916935.3A Active CN107970499B (en) | 2016-10-21 | 2016-10-21 | Eccentric self-exhausting transfusion system |
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| CN (1) | CN107970499B (en) |
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|---|---|---|---|---|
| GB1251461A (en) * | 1970-04-14 | 1971-10-27 | ||
| US3993066A (en) * | 1974-11-01 | 1976-11-23 | Baxter Laboratories, Inc. | Burette chamber for use with intravenous solution administration set |
| US4583979A (en) * | 1983-12-14 | 1986-04-22 | Palti Yoram Prof | Infusion devices |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107970499A (en) | 2018-05-01 |
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