CN209285665U - Infusion device in intelligent marrow - Google Patents

Abstract

The utility model belongs to the field of medical instrument technology, more specifically it is related to infusion device in a kind of intelligent marrow, its drip irrigation device includes needle core component and is detachably sheathed on the syringe assemblies of the needle core component external, it further include vibrating sensor and the Power Component for driving the needle core component rotation, the vibrating sensor and Power Component are electrically connected with processing module, the processing module controls the opening and closing of the Power Component based on the electric signal that the vibrating sensor exports, when the needle core component is worn to the ossis, the vibrating sensor, which detects that sound wave generates, to be changed and variable signal is sent to the processing module, the processing module closes the Power Component.The utility model has the effect of being accurately positioned paracentesis depth.

Description

Infusion device in intelligent marrow

Technical field

The utility model belongs to the field of medical instrument technology, and more specifically it is related to a kind of interior infusion dress of intelligent marrow It sets.

Background technique

In clinical emergency treatment, the success or not that infusion channel is directly related to treatment can in time, be effectively established, is established The method of venous access generally has peripheral vein.For critical patient, peripheral vein, which is often shunk, to be collapsed, and punctures difficulty, but in bone Venous access still keeps open.Intraosseous infusion is using rete vasculosum abundant in ossis that drug and liquid is defeated through ossis Enter blood circulation, is a kind of effective way being administered when rescue.Transfusion operation is simple in marrow, is easy to grasp, and success rate is high, It can be completed in short time, be a kind of effective measures for the treatment of of severe patient.

Currently, the Chinese patent that notification number is CN103285501A discloses a kind of intelligent positioning intraosseous infusion puncture system System, comprising: drive the power plant module of whole device；It is driven by the power plant module, is moved back and forth in direction of advance, be pierced into bone The engaging portion of the puncture needle group and corresponding processing module of pulp cavity, the power plant module and the puncture needle group is equipped with pressure sensing Device.

The prior art is similar to above-mentioned intelligent positioning intraosseous infusion lancing system, and pressure sensor senses puncture needle group is passed through The variable signal is sent to processing module by the resistance variation during sclerotin and after entrance ossis, and processing module is according to this Resistance variable signal closes the power plant module.But a reference value to specific resistance variable signal is equipped in processing module, and A reference value remains unchanged, and since human body individual difference is big, it is also larger to puncture suffered resistance otherness, therefore the positioning side Formula accuracy is insufficient.

Utility model content

In view of the deficienciess of the prior art, the first of the utility model is designed to provide a kind of interior infusion of intelligent marrow Device the advantage is that and can be accurately positioned paracentesis depth.

To achieve the above object, the utility model provides following technical solution: it is a kind of intelligence marrow in infusion device, packet It includes needle core component and is detachably sheathed on the syringe assemblies of the needle core component external, further include vibrating sensor and be used for The Power Component of the needle core component rotation is driven, the vibrating sensor is electrically connected with processing module, the processing module base The opening and closing of the Power Component is controlled in the electric signal of vibrating sensor output, when the needle core component is worn to the marrow When intracavitary, the vibrating sensor, which detects that sound wave generates, to be changed and variable signal is sent to the processing module, the place It manages module and closes the Power Component.

By using above-mentioned technical proposal, using Power Component electronic rotation needle core component, so that needle core component and vibration Component gradually passes through sclerotin, reduces the impact of needle core component and syringe assemblies to human body, more swimmingly enters in ossis；Vibration The sound wave of sensor detection needle core component vibration generation simultaneously exports corresponding electric signal, and due to medium significant change, sound wave is in bone Matter is different with the spread speed in ossis, therefore pinpoint component reaches the sound wave issued after ossis and generates significant change, place It manages module and closing Power Component is controlled according to the variation of sound wave, needle core component and syringe assemblies is made to stop operating, complete to puncture, from And paracentesis depth is accurately controlled, reliability is big；It is equipped with the channel flowed for drug inside syringe assemblies, punctures hour hands core assembly envelope The channel in syringe assemblies is blocked, needle core component is disassembled after the completion of puncture, drug is inputted in ossis.

The utility model is further arranged to: the Power Component includes motor, is fixed on the motor output shaft The first helical gear and be engaged in the described first helical gear second helical gear, along axial solid at second helical gear center Surely it is equipped with transmission shaft, the transmission shaft is connected to the needle core component.

By using above-mentioned technical proposal, using the first helical gear and the second helical gear engagement ratio, by the revolving speed of motor It adjusts to appropriate value, transmission shaft and the second helical gear rotate synchronously and drive to needle core component, so that needle core component and syringe group Part steadily turns through sclerotin.

The utility model is further arranged to: the needle core component includes the needle core being detachably socketed on the transmission shaft Pedestal and the needle core being fixed on the needle core pedestal.

Both by using above-mentioned technical proposal, needle core pedestal increases the contact area of needle core component and transmission shaft, reinforce The stability of connection；The needle core pedestal being detachably connected is conveniently replaceable, therefore can share vibrating sensor, Power Component and processing Module reduces cost, convenient for promoting the use of.

The utility model is further arranged to: the transmission shaft is radially equipped with reset spring and is fixed at described multiple The sphere plunger of position spring end, the needle core base internal wall are equipped with the mounting hole for sphere plunger insertion.

By using above-mentioned technical proposal, under the effect of reset spring elastic force, sphere plunger can along transmission shaft it is radial into The past polyslip of row；Needle core pedestal is set in outside transmission shaft along axial sliding, is embedded in mounting hole until sphere plunger slides, so that Transmission shaft and needle core pedestal relative position remain unchanged, and needle core component synchronizes rotation with transmission shaft.

The utility model is further arranged to: the syringe assemblies include syringe pedestal and are fixed at the syringe base Syringe on seat and for the needle core grafting, the needle core base thread are plugged in the syringe pedestal.

By using above-mentioned technical proposal, syringe is hollow, formation administration channel；Needle core is inserted into syringe in puncture process It is interior, avoid syringe from blocking；After the completion of puncture, it is convenient for quick separating needle core pedestal and syringe pedestal using being threadedly coupled, by syringe Component is retained in ossis, to be infused.

The utility model is further arranged to: the syringe is gradually reduced shape far from the exterior radius at the syringe pedestal At the antiseepage conical surface.

By using above-mentioned technical proposal, the antiseepage conical surface is close to the tip of syringe, there is the antiseepage conical surface when being pierced into sclerotin Effect fills up the gap being extended on sclerotin, prevents bone marrow fluid from exosmosing.

The utility model is further arranged to: further include for place the vibrating sensor, the Power Component and The shell of processing module, the housing exterior walls are equipped with grip slot.

By using above-mentioned technical proposal, housings close protects vibrating sensor, Power Component and processing module, reduces outer The destruction on boundary；Grip slot increasing friction force grabs shell, stability contorting shell convenient for user.

The second of the utility model is designed to provide a kind of perfusion tube, the advantage is that the leakage for reducing drug.

To achieve the above object, the utility model provides following technical solution, a kind of perfusion tube, including connector and connects Skull, described connector one end are equipped with screw thread corresponding with the syringe pedestal, and the connector cover screw thread is socketed on the connector, institute State the bend pipe that connection is plugged in connector.

By using above-mentioned technical proposal, connector cover thread bush on connector, protected by butt joint when being not used；It uses When remove connector cover, and joint screw thread is lock onto syringe pedestal, syringe pedestal, connector are connected to bend pipe, and bend pipe extends to Outside, convenient for reducing the leakage of drug in infusion of medicine ossis.

The utility model is further arranged to: one end of the connector towards the bend pipe is radially equipped with elastic strip, institute Elastic strip is stated circumferentially uniformly to arrange.

By using above-mentioned technical proposal, after bend pipe is inserted into connector, elastic strip is pushed against under the effect of elasticity in bend pipe outer wall, The elastic piece being circumferentially arranged reinforces the fixation to bend pipe, so that bend pipe stabilization is plugged in connector.

In conclusion the utility model has the advantage that

1, the difference of needle core vibrating machine wave is detected with vibrating sensor, to accurately control the paracentesis depth of needle core；

2, the mode of electronic rotation reduces syringe assemblies and needle core component to the impact of human body, is more swimmingly pierced into bone Marrow；

3, the antiseepage conical surface of barrel tip effectively fills up the gap being extended on sclerotin, achievees the effect that seepage-proof liquid.

Detailed description of the invention

Fig. 1 is overall structure diagram of the embodiment one after the completion of puncture；

Fig. 2 is the front section view of embodiment one；

Fig. 3 is confined explosion's schematic diagram of one saliency piercing mechanism of embodiment；

Fig. 4 is enlarged diagram at A in Fig. 3；

Fig. 5 is overall structure diagram of the embodiment two in infusion process；

Fig. 6 is confined explosion's schematic diagram of two saliency connector cover of embodiment；

Fig. 7 is that processing module internal signal transmits schematic diagram in embodiment three；

Fig. 8 is the flow diagram of embodiment three.

Description of symbols: 1, shell；2, vibrating sensor；3, Power Component；4, battery；5, it switchs；6, needle core component； 7, syringe assemblies；8, processing module；15, sphere plunger；16, mounting hole；17, the antiseepage conical surface；18, connector；19, connector cover；20, Bend pipe；21, elastic strip；22, grip slot；23, reset spring；24, piercing mechanism；25, annular groove；25, filter；26, A/D turns Parallel operation；27, computer；31, motor；32, the first helical gear；33, the second helical gear；34, transmission shaft；61, needle core pedestal；62, Needle core；71, syringe；72, syringe pedestal.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment one, it is a kind of intelligence marrow in infusion device, as shown in Figure 1 and Figure 2, including shell 1, rotation be set to shell 1 Outer piercing mechanism 24 and it is set to 1 internal vibration sensor 2 of shell, and vibrating sensor 2 is electrically connected with processing module 8 and is used for The Power Component 3 of piercing mechanism rotation is controlled, output signal control Power Component 3 of the processing module 8 based on vibrating sensor 2 Opening and closing.

Power Component 3 is driven piercing mechanism 24 to be gradually passed through sclerotin in a manner of electronic rotation and entered in ossis；It wears It pierces vibration in 24 rotation process of mechanism and generates sound wave, according to the different medium in sclerotin and ossis, vibrating sensor 2 is detected The variation of sound wave is simultaneously converted into corresponding electric signal, and processing module 8 receives the electric signal of vibrating sensor 2 and analytical judgment, into And export the signal that control Power Component 3 works.

As shown in Fig. 2, being equipped with battery 4 and the switch 5 for turn-on battery 4 in shell 1.Manual press switch 5, power Component 3 and vibrating sensor 2 are started to work under the electric power that battery 4 provides.Further, the outside of shell 1 is equipped with grip Slot 22, grip slot 22 increase the contact area of user Yu shell 1, hold on shell 1 convenient for stabilization.

As shown in Fig. 2, Power Component 3 includes motor 31, same the first helical gear 32 being located on 31 output shaft of motor, nibbles It the second helical gear 33 together in the first helical gear 32 and is vertical at 33 center of the second helical gear and for connecting puncture machine The transmission shaft 34 of structure 24.

Battery 4 is the power supply of motor 31, so that 31 uniform rotation of motor, and gradually drive the first helical gear 32, the second helical teeth The rotation of wheel 33 and transmission shaft 34, the rotation using the engagement of the first helical gear 32 and the second helical gear 33 than adjusting piercing mechanism Speed.

As shown in Figure 1 and Figure 2, piercing mechanism 24 includes the needle core component 6 being socketed on outside transmission shaft 34 and is socketed on needle core Syringe assemblies 7 outside component 6.Wherein, there are the channel flowed for drug inside syringe assemblies 7, needle core component 6 blocks logical After the completion of puncture, needle core component 6 is taken out for road, and drug passes through in 71 component of syringe, 7 smooth delivery of power to ossis.

As shown in Figure 1, Figure 3, needle core component 6 includes needle core pedestal 61 and needle core 62, and needle core pedestal 61 is in U-shape and for covering It connects outside transmission shaft 34.Specifically, transmission shaft 34 is radially secure is equipped with reset spring 23 and is fixed at reset spring 23 The sphere plunger 15 of end, and the mounting hole 16 being embedded in for sphere plunger 15 is equipped on the inside of needle core pedestal 61.

When installation, needle core pedestal 61 is slid by 34 end of transmission shaft close to shell 1, and compression reseting spring 23；Work as installation It is real in the sliding insertion mounting hole 16 of sphere plunger 15 under 23 elastic reaction of reset spring when hole 16 is moved to sphere plunger 15 Existing needle core pedestal 61 and transmission shaft 34 are detachably connected, and needle core pedestal 61 is remained unchanged with transmission shaft relative position.

As shown in Figure 1, Figure 3, syringe assemblies 7 include hollow syringe 71 and syringe pedestal 72, wherein 61 spiral shell of needle core pedestal Line is plugged in syringe pedestal 72.After the completion of puncture, convenient for separation needle core pedestal 61 and syringe pedestal 72, it is retained in needle core 62 In ossis, for draining.

As shown in Figure 1, syringe 71 is gradually reduced to form the antiseepage conical surface 17 close to radius at tip.When being pierced into sclerotin The antiseepage conical surface 17 effectively fills up the gap being extended on sclerotin, prevents bone marrow fluid from exosmosing.

The course of work: needle core 62 is inserted into syringe 71, and is tightened on 61 screw thread of needle core pedestal in syringe pedestal 72；So The opening of needle core pedestal 61 is directed at 34 end of transmission shaft afterwards and is slid into, until sphere plunger 15 is embedded in mounting hole 16；By needle The point of core 62 and syringe 71 alignment puncture position, push switch 5,7 synchronous rotary of needle core component 6 and syringe assemblies, and by Gradually pass through sclerotin；After needle core 62 enters ossis, motor 31 is automatically closed in processing module 8, and needle core component 6 is taken out in rotation, and Syringe 71 is retained in ossis, drug is injected into ossis out of syringe 71 channel.

Embodiment two, a kind of perfusion tube for embodiment one, as shown in Figure 5, Figure 6, including connector 18 and connector cover 19, and one end of connector 18 is equipped with screw thread corresponding with syringe pedestal 72,19 screw thread of connector cover is socketed on connector 18, in connector 18 Connection is plugged with bend pipe 20.

19 thread bush of connector cover on connector 18, protected by butt joint 18 when being not used；Connector cover 19 is removed when use, And by 18 screw-threaded coupling of connector in syringe pedestal, syringe pedestal 72, connector 18 are connected to bend pipe 20, and bend pipe 20 extends to outside Portion, convenient for reducing the leakage of drug in infusion of medicine ossis.

As shown in fig. 6, connector 18 is radially equipped with elastic strip 21 towards one end of bend pipe 20, and several elastic strips 21 are along week To uniform arrangement.After bend pipe 20 is inserted into connector 18, elastic strip 21 is pushed against under the effect of elasticity in 20 outer wall of bend pipe, is circumferentially arranged Elastic strip 21 reinforces the fixation to bend pipe 20, so that the stabilization of bend pipe 20 is plugged in connector 18.

As shown in fig. 6, bend pipe 20 circumferentially offers annular groove 25.After bend pipe 20 enters connector 18, elastic strip 21 is abutted In annular groove 25, offset of the elastic strip 21 in 18 axial direction of connector is limited, so that the stabilization of elastic strip 21 is clamped on connector 18 On inner wall.

Embodiment three, it is a kind of intelligence marrow in infusion device control method, as shown in Figure 7, Figure 8, comprising the following steps:

S1 receives the electric signal of the output of vibrating sensor 2, filters out interfering frequency wave band using filter 25, and export filter Analog signal after wave；

I.e. vibrating sensor 2, which receives, is converted to corresponding electric signal after acoustic signals and is exported, and filter 25 filters out Jammr band frequency in electric signal, inhibits and prevents the interference of extraneous factor, only exports the electric signal in designated frequency range；

S2, the analog signal after being accepted filter using A/D converter 26, continuously varying analog signal is converted to discrete Digital signal, and output digit signals；

After i.e. analog signal is converted to digital signal, enhance the anti-interference ability of signal, is convenient for subsequent signal processing, mentions The accuracy of high disposal.

S3 receives digital signal using computer 27 and carries out Fast Fourier Transform (FFT), the time domain of digital signal is converted For frequency domain；

The frequency-region signal for being easy to analyze will be converted to by reluctant time-domain signal originally, and Fast Fourier Transform (FFT) is big It is big to reduce calculation amount, improve working efficiency.

S4 analyzes the frequency spectrum of digital signal, if digital signal spectrum generates significant change, closes motor 31.

The original acoustic signals of spectrogram representation are set in i.e., after needle core 62 penetrates ossis, the transmission medium of sound wave changes, Significant changes occur for acoustic signals, therefore can accurately judge to puncture and complete.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel design concept, any modification, equivalent replacement, improvement and so on should be included in the protection of the utility model Within the scope of.

Claims (9)

1. infusion device in a kind of intelligence marrow, including needle core component (6) and detachably it is sheathed on the needle core component (6) outside The syringe assemblies (7) in portion, it is characterised in that: further include vibrating sensor (2) and for driving the needle core component (6) to rotate Power Component (3), the vibrating sensor (2) and Power Component (3) are electrically connected with processing module (8), the processing module (8) electric signal based on the vibrating sensor (2) output controls the opening and closing of the Power Component (3), when the needle core component (6) when wearing to the ossis, the vibrating sensor (2) detects that sound wave generates and changes and variable signal is sent to institute It states processing module (8), the processing module (8) closes the Power Component (3).

2. infusion device in intelligence marrow according to claim 1, it is characterised in that: the Power Component (3) includes electricity Machine (31), the first helical gear (32) being fixed on the motor (31) output shaft and it is engaged in first helical gear (32) the second helical gear (33) is axially fixed equipped with transmission shaft (34), the biography at the second helical gear (33) center Moving axis (34) is connected to the needle core component (6).

3. infusion device in intelligence marrow according to claim 2, it is characterised in that: the needle core component (6) includes can Dismantle the needle core pedestal (61) being socketed on the transmission shaft (34) and the needle core being fixed on the needle core pedestal (61) (62)。

4. infusion device in intelligence marrow according to claim 3, it is characterised in that: the transmission shaft (34) radially sets There is reset spring (23) and is fixed at the sphere plunger (15) of the reset spring (23) end, the needle core pedestal (61) Inner wall is equipped with the mounting hole (16) for the sphere plunger (15) insertion.

5. infusion device in intelligence marrow according to claim 3, it is characterised in that: the syringe assemblies (7) include needle Cylinder pedestal (72) and the syringe (71) for being fixed on the syringe pedestal (72) and supplying the needle core (62) grafting, the needle Core pedestal (61) screw thread is plugged in the syringe pedestal (72).

6. infusion device in intelligence marrow according to claim 5, it is characterised in that: the syringe (71) is far from the needle Exterior radius at cylinder pedestal (72) is gradually reduced to form the antiseepage conical surface (17).

7. infusion device in intelligence marrow according to claim 1, it is characterised in that: further include for placing the vibration The shell (1) of sensor (2), the Power Component (3) and processing module (8), shell (1) outer wall are equipped with grip slot (22)。

8. according to claim 5 in intelligent marrow infusion device perfusion tube, it is characterised in that: including connector (18) and Connector cover (19), described connector (18) one end are equipped with screw thread corresponding with syringe pedestal (72), connector cover (19) spiral shell Line is socketed on the connector (18), and the bend pipe (20) of connection is plugged in the connector (18).

9. perfusion tube according to claim 8, it is characterised in that: the one end of the connector (18) towards the bend pipe (20) Elastic strip (21) radially are equipped with, the elastic strip (21) circumferentially uniformly arrangement.