A kind of Portable transfusion apparatus
Technical field
The invention belongs to the field of medical instrument technology, and in particular to a kind of Portable transfusion apparatus.
Background technology
It is infused also known as has an intravenous drip or hang water.Liquid is packaged in glass or plastic infusion bottle or bag, without anti-
Rotten agent or bacteriostatic agent.Drop speed is adjusted by infusion apparatus when use, continues and steadily liquid is input in vein, to supplement body
Liquid, blood and its derivatives, electrolyte provide treatment and nutriment.
Present conventional infusion means are that infusion packet or infusion bottle are suspended on some height (using vein as standard), make liquid
Body is dripped due to natural gravity into blood vessel, and eyes is used in combination to observe, and is dripped speed to control medicine by manual clamps, is not easy essence
Really control transfusion speed, medical staff's heavy workload, and in entire infusion process, patient necessarily is in sitting posture or prone position
State arbitrarily cannot be moved and be walked about, this is extremely inconvenient for patients.
Infusion segment, which is wrapped, can also be arranged residual flow warning device, and after the completion of infusion, warning device sends out acousto-optic report
Alert signal, however, there remains health care professionals to handle, therefore after the completion of infusion, if patient is inserted with the portion of transfusion needle
It is excessive that excessively high or motion amplitude is lifted in position, will result in blood and reversely flows into woven hose, causes blood return phenomenon;Meanwhile defeated
During liquid, as patient is inserted with the position of transfusion needle, to lift excessively high or motion amplitude excessive so that blood pressure is more than liquid pressure
Power can also cause blood return phenomenon, have serious security risk.
Invention content
Therefore, the technical problem to be solved in the present invention is that existing transfusion system can not avoid blood return phenomenon, and suffers from
Person can not free movable problem.
For this purpose, the present invention provides a kind of Portable transfusion apparatus, including
Woven hose;
Syringe needle;
Non-return mechanism, have installation cavity, it is described installation cavity both ends be sealedly attached to respectively the woven hose and
Syringe needle;The non-return mechanism has the non-return component being movably arranged in the installation cavity body;
The non-return component has the opening state for flowing to the syringe needle from the woven hose for medium, and blocks and given an account of
The closed state that matter flows back from the syringe needle to the woven hose.
It is further preferred that above-mentioned Portable transfusion apparatus, the non-return component includes sealing and is rotatably arranged in
At least one sealing element in the installation cavity body, the sealing element form sealing surface towards a side surface of the woven hose;
And the bias piece in the installation cavity body is set, the bias piece applies to the sealing element towards the woven hose direction
Biasing force;
In the closed state, the sealing element blocks the installation cavity by the sealing surface.
It is further preferred that above-mentioned Portable transfusion apparatus, the sealing element is two, and two sealing elements are opposite to be set
It sets on the internal face of the installation cavity;
In the closed state, the opposite one end end face of two sealing elements closely abuts;In the opening state, two
The opposite one end end face separation of a sealing element.
It is further preferred that above-mentioned Portable transfusion apparatus, the non-return mechanism, which also has, is molded over the installation cavity
Interior annular mounting base, two sealing elements are respectively hinged in the annular mounting base, and close to the syringe needle side.
Preferably, above-mentioned Portable transfusion apparatus further includes one that the simultaneously separate syringe needle is arranged on the woven hose
Infusion vessel on end, for providing required liquid in the woven hose;Further include
Shell is set in outside the infusion vessel, and the woven hose passes through the cage connection in the syringe needle;
Bandage, setting on the housing, are suitable for winding and tying-up are on human body.
Preferably, above-mentioned Portable transfusion apparatus further includes the driving mechanism being arranged on the woven hose, the driving
Mechanism is used to apply the suction force towards the syringe needle to the medium in the woven hose.
It is further preferred that above-mentioned Portable transfusion apparatus, the driving mechanism includes being arranged on the woven hose
Peristaltic pump and motor;
The peristaltic pump includes with the wedge for accommodating inner cavity;The rotation being installed in rotation in the receiving inner cavity
Part, the rotating member are driven by the motor and are rotated;At least two be arranged at intervals on the peripheral outer wall face of the rotating member
A rolling member;The woven hose is threaded through between the wedge internal face and the rolling member.
It is further preferred that above-mentioned Portable transfusion apparatus, further includes being arranged in the wedge and being sleeved on the infusion
Pressure regulating mechanism on pipe compresses power for adjusting the rolling member to what the woven hose applied;
The pressure regulating mechanism includes two arc chucks that one end is hinged;And it is threaded through two arc folders
Bolt assembly on the other end of set;Two arc chucks surround the area passed through for the woven hose with the bolt assembly
Domain.
Preferably, above-mentioned Portable transfusion apparatus, the Portable transfusion apparatus further include the control being electrically connected with the motor
Device processed;And the display being electrically connected with the controller;The controller is used to control the output rotating speed of the motor, described aobvious
Show rotary speed information of the device for showing the motor.
It is further preferred that above-mentioned Portable transfusion apparatus, further includes warning device, the warning device includes close to institute
The photoelectric sensor of the initiating terminal setting of woven hose is stated, the photoelectric sensor is connect with the controller, described for detecting
Whether there is bubble in woven hose and whether there is medium to flow through;And the buzzer and/or light source being connect with the controller;
The controller according to the signal of the photoelectric sensor, with control the buzzer or the light source unlatching and
It closes.
It is further preferred that above-mentioned Portable transfusion apparatus, the interior controller includes signal transmitting and receiving module and GPS fixed
Position module;The signal transmitting and receiving module is suitable for connecting with client, to upload infusion coherent signal and the positioning of the infusion apparatus
Signal is to client.
Preferably, above-mentioned Portable transfusion apparatus further includes the barcode scanning module being electrically connected with the controller, by described
Barcode scanning module identifies the identification code on the infusion vessel and compared with the infusion information of advance typing pair, such as inconsistent, described
Controller can control the buzzer or the light source is opened, and send out alarm signal.
Technical solution provided by the invention, has the following advantages that:
1. Portable transfusion apparatus provided by the invention comprising woven hose, syringe needle and non-return mechanism, non-return mechanism include
Installation cavity, the non-return component being movably arranged in installation cavity;When medium flows to syringe needle from woven hose, non-return component is in
Opening state, when medium flows to woven hose from syringe needle, non-return component is blocked cavity is installed, and is closed.
In infusion and after the completion of infusion, patient is inserted with the position of syringe needle, and such as to lift excessively high or motion amplitude excessive, makes
When reversely flowing into woven hose at blood, non-return component can block installation cavity, and woven hose is blocked, prevents blood in time
Continue the reverse flow into woven hose, which can be automatically prevented from blood return phenomenon at the first time, safety compared with
It is high.
2. Portable transfusion apparatus provided by the invention, non-return component includes sealing element and bias piece, and bias piece is to sealing element
Apply towards woven hose direction biasing force, when the liquid stream in woven hose is complete or will flow pressure it is smaller when, sealing element
Installation cavity is blocked under the action of bias piece, can prevent extraneous air from entering in human vas by woven hose.
3. Portable transfusion apparatus provided by the invention, non-return mechanism is positioned close to syringe needle side, can be at the first time
Blood direction is prevented to flow back into woven hose, can maximize non-return mechanism prevents the function of blood backflow.
4. Portable transfusion apparatus provided by the invention, further include shell, setting bandage on the shell, setting inside the shell
Infusion vessel and the driving mechanism that is arranged on woven hose;Driving mechanism includes peristaltic pump and motor;Motor is to wriggling
Pump provides power, and peristaltic pump drives the liquid medicine flow in woven hose.
The Portable transfusion apparatus drives liquid medicine flow by peristaltic pump, can by shell by bandage be fixed on patient's waist,
The positions such as back so that patient also can freely activity while infusion.
5. Portable transfusion apparatus provided by the invention further includes the controller being connect with motor point and electric with controller
The display of connection is set the rotational parameters of motor by controller, and then controls the flow of woven hose herb liquid, and display is then
It shows and the relevant parameter of flow.Medical staff sets the flow of woven hose herb liquid, patient, entourage by controller
Or medical staff can pass through the working condition of display monitoring infusion apparatus.
6. Portable transfusion apparatus provided by the invention, further includes warning device, warning device includes being connected with controller
Photoelectric sensor and the buzzer and/or light source being connected with controller, have bubble when photoelectric sensor detects in woven hose
Or when being flowed through without liquid, controller can control buzzer and/or light source to act according to the signal that photoelectric sensor transmits, to carry
Awake patient or medical staff's infusion are completed.
7. Portable transfusion apparatus provided by the invention, controller further includes signal transmitting and receiving module and GPS positioning module, letter
Number transceiver module can be by the location information and flow of infusion apparatus, and the relevant information of infusion such as alarm is transmitted to client, medical care
Personnel also can be by client come remote control infusion apparatus so that medical staff can realize the long distance to patient and infusion apparatus state
From monitoring.
8. Portable transfusion apparatus provided by the invention, further includes the barcode scanning module being electrically connected with the controller, medical staff is pre-
First pass through the information such as the infusion relevant information of keyboard typing patient, such as flow of infusate category, liquid dosage;It is set in medical staff
Set infusion vessel or follow-up when replacing infusion vessel, by barcode scanning module identify on infusion vessel the information of identification code and with it is pre-
The infusion information of first typing compares, if inconsistent, controller can control buzzer or light source is opened, and send out alarm signal
Prompt medical staff, can occur to avoid the case where inputing liquid by mistake to patient, increase the safety of the Portable transfusion apparatus with
Reliability.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram when Portable transfusion apparatus upper cover provided in the embodiment of the present invention 1 is opened;
Fig. 2 is structural schematic diagram when Portable transfusion apparatus upper cover is closed in Fig. 1;
Fig. 3 is the sectional view of non-return mechanism in the open state in Fig. 1;
Fig. 4 is that non-return mechanism is in sectional view when blocking state in Fig. 1;
Fig. 5 is the upward view of non-return mechanism in Fig. 4;
Reference sign:
1- woven hoses;
2- syringe needles;
3- infusion vessels;
42- pedestals;43- upper covers;44- displays;45- keyboards;46- barcode scanning modules
511- wedges;512- accommodates inner cavity;513- rotating members;514- rolling members;52- motors;53- battery packs;
6- pressure regulating mechanisms;61- arc chucks;62- bolt assemblies;
71- installs cavity;72- non-return sleeves;731- sealing elements;732- flat ends;733- arc tips;734- bias pieces;
735- annular mounting bases;
91- photoelectric sensors;92- buzzers;93- light sources.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
Can also be electrical connection to be mechanical connection;It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It can be combined with each other at conflict.
Embodiment 1
The present embodiment provides a kind of Portable transfusion apparatus, as shown in Figures 1 and 2 comprising woven hose 1, syringe needle 2, non-return
Mechanism, driving mechanism, pressure regulating mechanism 6, controller, infusion vessel 3, warning device, bandage and shell.
Shell is made of pedestal 42 and upper cover 43, and upper cover 43 is hinged on pedestal 42, and upper cover 43 is enclosed when being fastened with pedestal 42
At an installation space.
Infusion vessel 3 is arranged in the installation space with driving mechanism;One end of woven hose 1 is connected on infusion vessel 3, separately
One end reaches outside installation space after passing through driving mechanism and is connected with syringe needle 2;Non-return mechanism is sealingly disposed in infusion
The junction of pipe 1 other end and syringe needle 2.
As shown in Figures 3 to 5, non-return mechanism includes non-return sleeve 72, annular mounting base 735, non-return component, bias piece
734.Wherein, non-return component includes two pieces of sealing elements 731.
The both ends of non-return sleeve 72 are tightly connected with syringe needle 2 and woven hose 1 respectively, and the lower end of non-return sleeve 72 is in figure
The one end being connect with syringe needle 2, upper end are the one end being connect with woven hose 1;Non-return sleeve 72 has to be connected with syringe needle 2 and woven hose 1
Logical installation cavity 71, installation cavity 71 are preferably cylindrical;Sealing is fixed with annular peace on the internal face of installation cavity 71
Fill seat 735, the inner ring of annular mounting base 735 be liquid in cavity 71 is installed by channel.
Sealing element 731 is two pieces of semicircle plates being mutually matched, whole to be preferably made of silicon rubber, each sealing element
731 arc tips 733 are respectively hinged on the lower end of annular mounting base 735;In the hinge of sealing element 731 and annular mounting base 735
Contact is equipped with bias piece 734, and bias piece 734 is preferably torsional spring, and torsional spring is applied to sealing element 731 towards 72 upper end of non-return sleeve
Pretightning force;Without other outer force effects, only under the action of torsional spring pretightning force, whole two sealing element 731 is in water as shown in Figure 4
Level state, the end face of the flat end 732 of two sealing elements 731 are sealed against each other against while arc tips 733 of two sealing elements 731
Upper surface is sealed against on the lower face of annular mounting base 735, at this time two sealing elements 731 and 735 phase interworking of annular mounting base
The inner ring channel of annular mounting base 735 is blocked in conjunction, i.e., blocks 71 entirety of installation cavity.
In infusion, the liquid in woven hose 1 is flowed along woven hose 1 towards syringe needle 2, and the pressure of liquid can overcome torsional spring
Pretightning force, the flat end 732 of sealing element 731 swings around the hinge joint of sealing element 731 towards 2 direction of syringe needle, two flat ends 732
It is located remotely from each other, while the arc tips 733 of sealing element 731, also far from annular mounting base 735, non-return mechanism is in such as Fig. 3 institutes at this time
Woven hose 1 is connected to by the opening state shown, installation cavity 71 with syringe needle 2, and liquid is flowed by non-return mechanism in syringe needle 2;
When infusion, which is near completion or is infused, have been completed, the liquid pressure in woven hose 1 is reduced even without pressure,
Sealing element 731 resets to horizontality under the action of torsional spring pretightning force at this time, and the inner ring of annular mounting base 735 is blocked, this
When woven hose 1 blocked by non-return mechanism with syringe needle 2, on the one hand outside air can be prevented to enter human vas through woven hose 1
In, on the other hand it can prevent in blood backflow to woven hose 1;When the transfusion part of patient occurs that motion amplitude is excessive, lifts
When spending high the case where causing blood pressure to be higher than liquid pressure, sealing element 731 is pre-tightened in the pressure and torsional spring of draining blood
Horizontality is reset under the action of power, non-return mechanism automatically blocks woven hose 1 and syringe needle 2, prevents blood backflow to infusion
In pipe 1.
Non-return mechanism is directly connected with syringe needle 2, when there is blood backflow phenomenon, blood can be prevented to return at the first time
Stream so that Portable transfusion apparatus has very high safety.
As shown in Figures 1 and 2, driving mechanism includes peristaltic pump, motor 52, battery pack 53, wherein peristaltic pump includes wedge
511, rotating member 513 and rolling member 514.
Wedge 511, which has, accommodates inner cavity 512;Rotating member 513 is preferably disc-shaped structure, is rotatably arranged in receiving
In inner cavity 512;Rolling member 514 is preferably two column structures, along rotating member 513 it is circumferential be uniformly distributed and rotatably arranged with
Radial along rotating member 513 on rotating member 513, rolling member 514 at least partly protrudes from the circumferential edge of rotating member 513;Electricity
Machine 52 is connected by gear set with rotating member 513, and rotating member 513 can rotate under the driving of motor 52 in accommodating inner cavity 512;
Battery pack 53 is preferably lithium battery pack 53, is electrically connected with motor 52 and provides electric energy for the rotation of motor 52.
Pressure regulating mechanism 6 includes two arc chucks 61 and bolt assembly 62, and arc chuck 61 is along receiving inner cavity
512 internal face setting, one end of two arc chucks 61 are hinged, and the other end, which extends outwardly into, to be accommodated outside inner cavity 512
And it is releasably secured together by bolt assembly 62;One end of woven hose 1 is connected on infusion vessel 3, and the other end passes through
It reaches after peristaltic pump outside installation space and is connected with syringe needle 2, the part that woven hose 1 is located in peristaltic pump is threaded through rolling
Between part 514 and arc chuck 61, the tube wall of woven hose 1 is compressed power by rolling member 514;Bolt assembly 62 includes phase interworking
Nut and bolt are closed, tightening nut reduces the angle between two arc chucks 61, so that arc chuck 61 increases to defeated
The extruding force of liquid pipe 1, that is, increase that rolling member 514 is applied to woven hose 1 compresses power;Loosening nut increases two arc chucks
Angle between 61 reduces rolling member 514 and is applied to woven hose 1 so that arc reduces the extruding force to woven hose 1
Compress power.
When motor 52 rotates, rotating member 513 is driven to rotate by gear assembly, and then rolling member 514 is driven to move, two
A rolling member 514 squeezes woven hose 1 in succession, and extruding and release repeatedly are carried out to woven hose 1;Rolling member 514 can incite somebody to action when moving
Liquid in woven hose 1 squeezes away, while the woven hose 1 that rolling member 514 squeezed resiles, formed vacuum zone and will after
The liquid suction in face is come in;A fluid " pillow ", medicine liquid volume of the peristaltic pump per this conveying are formed between two rolling members 514
It is the volume of the fluid-pillow.
Controller is arranged in the upper cover 43 of shell, and battery pack 53 and motor 52 are electrically connected with the controller, on shell
It is additionally provided with the display 44 being electrically connected with the controller and keyboard 45.The flow parameter that medical staff passes through the input setting of keyboard 45
And liquid total amount parameter, the parameter that controller is received according to keyboard 45 control the rotating speed of motor 52, and then control infusion
The flow of 1 herb liquid of pipe, while controller calculates the time that infusion needs according to the flow of setting with liquid total amount;Display
The relevant parameters such as 44 countdowns for showing 52 rotating speed of motor, 1 flow of woven hose, transfusion time, patient, entourage or doctor
Shield personnel can monitor the working condition of infusion apparatus by display 44.
Warning device includes the photoelectric sensor 91, buzzer 92 and light source 93 being electrically connected with the controller, and light source 93 is excellent
It is selected as light emitting diode, buzzer 92 and light emitting diode are installed in upper cover 43.
For the setting of photoelectric sensor 91 in woven hose 1 and 3 junction of infusion vessel, photoelectric sensor 91 can be defeated by detecting
The intensity variation of liquid is flowed through in liquid pipe 1 to send different signals to controller, when infusion completes do not have medicine in woven hose 1
Liquid by when and woven hose in have bubble when, the luminous intensity that photoelectric sensor 91 detects has different degrees of variation,
Photoelectric sensor 91 converts the variation to electric signal and is transmitted to controller, and controller controls buzzer 92 and light emitting diode
Work sends out sound and light alarm signal, prompts have bubble or infusion to complete in patient or entourage's woven hose 1;In addition,
At the end of the countdown on display 44, controller can also control buzzer 92 and Light-Emitting Diode work, send out acousto-optic report
Alert signal.
The storage module being electrically connected with the controller, signal transmitting and receiving module, barcode scanning module 46 and GPS are additionally provided in upper cover 43
Locating module, positioning letter of the storage module for storing the flow information in woven hose 1, warning message and GPS positioning module
Breath.
For each patient when using the Portable transfusion apparatus, medical staff need to be related by the individual of patient by keyboard 45
Information and infusion relevant information be entered into storage module, such as the ingredient of the specific drug category of patient fluid infusion, liquid and
The information such as specific dosage, when completing patient fluid infusion, and carries out replacing infusion vessel 3, medical staff also needs the appearance that will be infused
The replacement information of device 3 is entered by keyboard 45 in storage module;And controller can be by the infusion phase of these in storage module
It closes information and flow information, location information, warning message etc. and high in the clouds is uploaded to by signal transmitting and receiving module.The letter of high in the clouds storage
Breath can be used for archives editor, case control etc. for client downloads.
The information that each patient uploads to high in the clouds can pass through integration one unique identification code of generation, which can be
Identification code is downloaded and is printed by client by Quick Response Code or bar code, medical staff, and identification code is pasted infusion
On container 3, when medical staff replaces infusion vessel 3 to patient, it is required to cover in the identification code alignment on infusion vessel 3
Barcode scanning module 46, information of identification code is transmitted in controller by barcode scanning module 46, and controller is by information of identification code and storage mould
The information of typing is compared before in block, as inconsistent in found, can control buzzer 92 and LED operation, send out
Sound and light alarm signal can input liquid by mistake to avoid to patient in this way to prompt medical staff accidentally to take the infusion vessel 3 of mistake
It happens, increases the safety and reliability of Portable transfusion apparatus.The client can be nurse's platform, can also be medical care
The mobile phone of personnel.
Meanwhile signal transmitting and receiving module can also be by flow information in controller, warning message, location information and infusion phase
It closes information and is sent to nurse's platform or the mobile phone of medical staff;Meanwhile medical staff can also by mobile phone or nurse's platform to
Signal transmitting and receiving module sends out instruction, and then controls Portable transfusion apparatus by controller, for example, medical staff is remote by mobile phone
Journey inputs the information such as the specific drug category to be infused of patient, realizes the long-range reality to patient and infusion apparatus state in this way
When monitor, ensure the safety of patient.The signal that the signal transmitting and receiving module sends out or receives is preferably WiFi signal or bluetooth letter
Number.
Woven hose 1, infusion vessel 3, syringe needle 2 and non-return mechanism in the Portable transfusion apparatus are medical disposable material,
Aseptic process is had to pass through before use.Woven hose 1 is preferably that silica gel material is made, and has good elasticity and wearability;It is defeated
Liquid container 3 is made of medical grade plastic, can be infusion bag or infusion bottle, the The concrete specification of infusion vessel 3 is according to liquid kind
Class and patient demand determine that, for example, the with a highest standard of infusion vessel 3 can reach 2000ml, optional specification limit is big, the scope of application
Extensively.
Bandage is preferably two, and the both ends of two bandages are connected on pedestal 42, and patient can be by this just by bandage
It takes formula infusion apparatus to fix physically, such as back.The Portable transfusion apparatus is integrally light, and when use is carried by patient,
Patient while being infused can also freely activity, go to the toilet, and by medical staff's remote monitoring, safety coefficient is high,
The Portable transfusion apparatus and mobile phone of medical staff, nurse's platform are public constitutes an intellectualized management system and carried by the system
The high working efficiency of medical staff and the medical treatment experience of patient.
Embodiment 2
The present embodiment provides a kind of structure phases of the Portable transfusion apparatus provided in Portable transfusion apparatus, with embodiment 1
Than, it is existing to differ only in, it can be arranged whether infrared sensor has liquid to detect in woven hose 1, be not provided with light at this time
Electric transducer 91;Further, light emitting diode can be only set in warning device or only setting buzzer 92 is alarmed to send out
Signal.
Embodiment 3
The present embodiment provides a kind of Portable transfusion apparatus, the structure with the Portable transfusion apparatus provided in embodiment 1 or 2
It compares, it is existing to differ only in, it can be not provided with pressure regulating mechanism 6, woven hose 1, which is directly threaded through, at this time accommodates inner cavity
Between 512 and rolling member 514.
Embodiment 4
The present embodiment provides in a kind of Portable transfusion apparatus, with embodiment 1-3 any embodiment provide it is portable defeated
The structure of liquid device is compared, existing to differ only in, and the quantity of rolling member 514 can be three, the quantity such as four, and quantity is got over
More, unobvious are got in the pulse that woven hose 1 exports liquid.
Embodiment 5
The present embodiment provides in a kind of Portable transfusion apparatus, with embodiment 1-4 any embodiment provide it is portable defeated
The structure of liquid device is compared, existing to differ only in, and Portable transfusion apparatus can be fixed on other positions of patient by bandage,
Such as waist.
Embodiment 6
The present embodiment provides in a kind of Portable transfusion apparatus, with embodiment 1-5 any embodiment provide it is portable defeated
The structure of liquid device is compared, existing to differ only in, and the quantity of sealing element 731 can be three, the quantity such as four, all sealings
Part 731 collectively constitutes a disc-shaped structure when being in horizontality.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.