CN215134689U - Anti-return infusion needle tube - Google Patents

Anti-return infusion needle tube Download PDF

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Publication number
CN215134689U
CN215134689U CN202120359105.1U CN202120359105U CN215134689U CN 215134689 U CN215134689 U CN 215134689U CN 202120359105 U CN202120359105 U CN 202120359105U CN 215134689 U CN215134689 U CN 215134689U
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CN
China
Prior art keywords
bottle
floating block
dropping bottle
piece
suspension
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202120359105.1U
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Chinese (zh)
Inventor
张红梅
李敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
First Affiliated Hospital of Medical College of Xian Jiaotong University
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First Affiliated Hospital of Medical College of Xian Jiaotong University
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Priority to CN202120359105.1U priority Critical patent/CN215134689U/en
Application granted granted Critical
Publication of CN215134689U publication Critical patent/CN215134689U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to the technical field of medical equipment, concretely relates to backflow-preventing infusion needle tube, including the bottle that drips, the inside cylindrical cavity that is of bottle that drips, and the top and the bottom at cylindrical cavity are seted up respectively to the input port and the delivery outlet of bottle that drips for communicate with infusion area and infusion needle respectively, still include: the floating block is arranged in the dropping bottle and freely moves along the axial direction of the dropping bottle; the suspension piece is arranged between the bottom end inside the dropping bottle and the floating block in a floating mode, the center of the bottom of the sealing piece is provided with a sealing piece corresponding to the output port, and when the floating block loses buoyancy and falls to the top of the suspension piece, the suspension piece seals the output port through the sealing piece. The utility model discloses an optimize the interior structure of dropping bottle, after the liquid medicine is transfused, the emergence of blood phenomenon is avoided to the sealed transfer line that can be automatic.

Description

Anti-return infusion needle tube
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to anti-return infusion needle tube.
Background
In the process of transfusion, the transfusion package body presses the liquid medicine into the veins of the human body through gravity and atmospheric pressure, but after the liquid medicine in the transfusion package body is transfused, the atmospheric pressure and the liquid medicine gravity do not exist in the transfusion pipeline, and at the moment, blood pressure in the human body can reversely flow the blood into the transfusion pipeline, so that the blood return phenomenon is caused. Many patients often transfuse at the same time in hospitals, sometimes medical staff transfusing the patients are busy, and do not timely treat the patients after the liquid medicine is transfused, so that blood return is caused. The phenomenon is not solved by a very low-cost and effective method, and after blood returns, an unknown patient sees the phenomenon, so that the psychology generates panic, and the medical treatment and the health of the patient are influenced. The blood return phenomenon is mainly caused by the fact that after infusion is completed, the infusion pipeline is not automatically cut off under the condition that timely treatment is not carried out, and blood return is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a backflow-preventing infusion needle tube optimizes through the inner structure of a dropping bottle, and after the liquid medicine is infused, the closed infusion tube can be automatic, and the occurrence of the blood return phenomenon is avoided.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti-return infusion needle tube, includes the bottle that drips, the inside cylindrical cavity that is of bottle that drips, and the top and the bottom at cylindrical cavity are seted up respectively to the input port and the delivery outlet of bottle that drips for respectively with infusion area and infusion needle intercommunication, still include: the floating block is arranged in the dropping bottle and freely moves along the axial direction of the dropping bottle; the suspension piece is arranged between the bottom end inside the dropping bottle and the floating block in a floating mode, the center of the bottom of the sealing piece is provided with a sealing piece corresponding to the output port, and when the floating block loses buoyancy and falls to the top of the suspension piece, the suspension piece seals the output port through the sealing piece.
Preferably, a plurality of through holes penetrating up and down are formed in the periphery of the bottom of the suspension plate, each through hole corresponds to the end face of the bottom of the floating block, and a plurality of flexible supporting arms are arranged in the region, which is not overlapped with the through holes, of the bottom of the suspension plate.
Preferably, the floating block is of a hollow cavity structure, and an iron ring is arranged inside the floating block; the outer wall of the bottom of the dropping bottle is provided with a magnet.
Preferably, the floating block is a hollow annular structure; the top end of the dropping bottle cavity is fixedly provided with a hollow cone with a downward pointed end, and the axis of the hollow cone is superposed with the axis of the dropping bottle.
Preferably, the center of the closing sheet is provided with a downward protruding chock block, the chock block is in a cone structure with a downward small end, and the surface of the chock block is longitudinally provided with a fine groove.
Preferably, the magnet is arranged in a ring shape and is nested and matched on the output port through a sliding sleeve with damping.
The utility model discloses beneficial effect does: in the infusion process, the liquid medicine of about half is usually left in the dropping bottle, therefore the slider floats in liquid level upper portion, along with the consumption of liquid medicine, when no liquid medicine is carried in the dropping bottle again in the medicine bag, the liquid medicine of dropping bottle runs off through bottom delivery outlet gradually, the slider descends thereupon, and finally descend to the suspension piece, the suspension piece receives the gravity influence that comes from the slider, finally through the delivery outlet of closing piece shutoff dropping bottle, make the liquid medicine not carrying in patient, avoid the air admission transfer infusion intraductal, also avoid patient's internal blood of patient to flow back to the infusion intraductal danger that causes simultaneously. In the normal infusion state, press night and can enter into the suspension piece below from the suspension piece top smoothly through the thru hole, and when the slider pressed in the suspension piece top, the slider closed the thru hole, avoided the liquid medicine to suspend piece top alone against the current, the flexible support arm supports the suspension piece in the normal infusion state simultaneously, guarantees that the suspension piece is in the suspension state. Under the guide of the hollow cone, the liquid beads dropping from the input port drop into the dropping bottle through the center of the floating block, so that the influence on the floating block caused by the fact that the liquid beads hit the floating block is avoided. The closure plate is at the in-process that descends, and the chock inserts at first in the output port, because the surface of chock lateral wall is equipped with tiny recess, consequently the liquid medicine in the dropping bottle is through the outside transportation of input port that tiny recess is slow, has consequently reached and has delayed the effect of stopping the liquid, makes the liquid medicine be about to run out the earlier slow mode of having transported to the patient internal, avoids because of the stifled pipe problem that the liquid medicine does not flow and leads to. When liquid enters the interior of the drip bottle, the magnet is downwards slid to enable the floating block to be separated from the attraction range of the magnet, the floating block is far away from the bottom of the drip bottle under the action of buoyancy of the liquid, and after the floating block is reset, the magnet is positioned at the bottom end of the drip bottle through the sliding sleeve, so that the reset purpose is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a sectional view of the overall structure of the present invention;
FIG. 2 is a schematic view of the present invention in a closed state;
fig. 3 is a schematic view of the current limiting state according to the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The first embodiment is as follows:
according to fig. 1, fig. 2, fig. 3 show, a backflow prevention infusion needle tubing, includes a dropping bottle 1, the inside cylindrical cavity that is of dropping bottle 1 to input port 2 and delivery outlet 3 of dropping bottle 1 set up respectively at the top and the bottom of cylindrical cavity, be used for respectively with infusion area and infusion needle intercommunication, still include: the floating block 4 is arranged in the dropper 1, and can freely move along the axial direction of the dropper 1; the suspension piece 5, the setting of suspension piece 5 float is in the inside bottom of dropping bottle 1 with between the slider 4, and, 6 bottom centers of closing piece correspond delivery outlet 3 is equipped with closing piece 6, works as slider 4 loses buoyancy and falls to behind 5 tops of suspension piece, suspension piece 5 passes through closing piece 6 seals delivery outlet 3.
In the above arrangement, during the infusion process, about half of the liquid medicine is usually left in the dropping bottle 1, so the floating block 4 floats on the upper part of the liquid level, along with the consumption of the liquid medicine, when no liquid medicine is conveyed into the dropping bottle 1 in the medicine bag, the liquid medicine in the dropping bottle 1 gradually runs off through the bottom output port 3, the floating block 4 descends along with the liquid medicine, and finally descends to the suspension piece 5, the suspension piece 5 is influenced by the gravity from the floating block 4, and finally the output port 3 of the dropping bottle 1 is blocked by the sealing piece 6, so that the liquid medicine is not conveyed into the body of a patient, air is prevented from entering the infusion tube, and meanwhile, the danger caused by the backflow of the blood in the body of the patient into the infusion tube is also avoided.
Example two:
a plurality of through holes 7 penetrating up and down are formed in the periphery of the bottom of the suspension plate 5, each through hole 7 corresponds to the end face of the bottom of the floating block 4, and a plurality of flexible supporting arms 8 are arranged in the region, which is not overlapped with the through holes 7, of the bottom of the suspension plate 5.
Through the arrangement, in a normal infusion state, the pressure liquid can smoothly enter the lower part of the suspension sheet 5 from the upper part of the suspension sheet 5 through the through hole 7, and when the floating block 4 presses the upper part of the suspension sheet 5, the floating block 4 seals the through hole 7, so that the situation that the liquid medicine is only arranged above the suspension sheet 5 in a reverse flow manner is avoided, and meanwhile, the flexible supporting arm 8 supports the suspension sheet in the normal infusion state, and the suspension sheet 5 is ensured to be in the suspension state.
Example three:
the floating block 4 is of a hollow cavity structure, and an iron ring 9 is arranged inside the floating block 4; the magnet 10 is arranged on the outer wall of the bottom of the dropping bottle 1. The floating block 4 is a hollow annular structure; the top end of the cavity of the dropper bottle 1 is fixedly provided with a hollow cone 11 with a downward pointed end, and the axis of the hollow cone coincides with the axis of the dropper bottle 1.
In the above arrangement, under the guidance of the hollow cone, the liquid bead dropping from the input port 2 drops into the dropping bottle 1 through the center of the floating block 4, so that the influence of the liquid bead on the floating block 4 caused by hitting the floating block 4 is avoided.
Example four:
the center of the closing sheet 6 is provided with a plug 12 protruding downwards, the plug 12 is in a cone structure with a downward small end, and the surface of the plug 12 is longitudinally provided with a thin groove 13.
In the above arrangement, the stopper 12 is firstly inserted into the output port 3 in the descending process of the sealing piece 6, and the fine groove 13 is formed in the surface of the side wall of the stopper 12, so that the liquid medicine in the dropping bottle 1 is slowly conveyed outwards through the input port 2 through the fine groove 13, the effect of delaying liquid stopping is achieved, the liquid medicine is conveyed into the body of a patient in a slow mode before being exhausted, and the problem of pipe blockage caused by the fact that the liquid medicine does not flow is avoided.
Example six:
the magnet 10 is arranged in a ring shape and is nested and matched on the output port 3 through a sliding sleeve 14 with damping.
Through the arrangement, after liquid enters the interior of the dropping bottle 1, the magnet 10 slides downwards to enable the floating block 4 to be separated from the attraction range of the magnet 10, the floating block 4 is far away from the bottom of the dropping bottle 1 under the action of buoyancy of the liquid, and after the floating block 4 is reset, the magnet 10 is positioned at the bottom end of the dropping bottle 1 through the sliding sleeve 14, so that the reset purpose is achieved.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (6)

1. The utility model provides an anti-return infusion needle tube, includes the bottle that drips, the inside cylindrical cavity that is of bottle that drips, and the top and the bottom at cylindrical cavity are seted up respectively to the input port and the delivery outlet of bottle that drips for respectively with infusion area and infusion needle intercommunication, its characterized in that includes:
the floating block is arranged in the dropping bottle and freely moves along the axial direction of the dropping bottle;
the suspension piece is arranged between the bottom end inside the dropping bottle and the floating block in a floating mode, the center of the bottom of the sealing piece is provided with a sealing piece corresponding to the output port, and when the floating block loses buoyancy and falls to the top of the suspension piece, the suspension piece seals the output port through the sealing piece.
2. The anti-reflux infusion syringe of claim 1, wherein: the periphery of the bottom of the suspension plate is provided with a plurality of through holes which penetrate through the suspension plate up and down, each through hole corresponds to the end face of the bottom of the floating block, and the bottom of the suspension plate is provided with a plurality of flexible supporting arms in the region which is not overlapped with the through holes.
3. The anti-reflux infusion syringe of claim 2, wherein: the floating block is of a hollow cavity structure, and an iron ring is arranged inside the floating block; the outer wall of the bottom of the dropping bottle is provided with a magnet.
4. The anti-reflux infusion syringe of claim 1, wherein: the floating block is of a hollow annular structure; the top end of the dropping bottle cavity is fixedly provided with a hollow cone with a downward pointed end, and the axis of the hollow cone is superposed with the axis of the dropping bottle.
5. The anti-reflux infusion syringe of claim 1, wherein: the center of the sealing sheet is provided with a plug block protruding downwards, the plug block is of a cone structure with a downward small end, and the surface of the plug block is longitudinally provided with a fine groove.
6. The anti-reflux infusion syringe of claim 2, wherein: the magnet is arranged in an annular shape and is nested and matched on the output port through a sliding sleeve with damping.
CN202120359105.1U 2021-02-06 2021-02-06 Anti-return infusion needle tube Expired - Fee Related CN215134689U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120359105.1U CN215134689U (en) 2021-02-06 2021-02-06 Anti-return infusion needle tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120359105.1U CN215134689U (en) 2021-02-06 2021-02-06 Anti-return infusion needle tube

Publications (1)

Publication Number Publication Date
CN215134689U true CN215134689U (en) 2021-12-14

Family

ID=79411042

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120359105.1U Expired - Fee Related CN215134689U (en) 2021-02-06 2021-02-06 Anti-return infusion needle tube

Country Status (1)

Country Link
CN (1) CN215134689U (en)

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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: 20211214

CF01 Termination of patent right due to non-payment of annual fee