CN208974785U - Diacan - Google Patents

Abstract

The utility model relates to a kind of diacans, including inlying catheter component and puncture needle component, the inlying catheter component includes catheter block, indwelling tube, batching pig and valve, the catheter block has cavity, the both ends of the cavity in axial direction are respectively the first interface and second interface of the catheter block, the indwelling tube docking is arranged at the first interface, the batching pig is arranged in the cavity, the valve is arranged on the catheter block, and the valve is located at side of the batching pig far from the indwelling tube, when the valve is in channel status, the access of the valve is arranged along the axial direction of the cavity and is connected to the cavity, when the valve is in closed circuit state, the valve can separate the cavity.The diacan is leave-on diacan, is able to achieve indwelling purpose, mitigates patient suffering, and can prevent blood extravasation, realizes secured location, safe and reliable.

Description

Diacan

Technical field

The utility model relates to the field of medical instrument technology, more particularly to a kind of diacan.

Background technique

In clinical treatment, diacan is widely used in haemodialysis.Traditional diacan, was treated Puncture needle can be maintained in patient's body in journey, and patient, which slightly acts, may puncture blood vessel, lead to blood extravasation, and its Blood vessel may also can be scratched during extracting upon completion of the treatment, is used not safe and reliable enough；In addition, traditional sound Arteries and veins puncture needle using when need to puncture human body arteriovenous the puncture needle tubing so that dialysis tubing is connected with blood vessel, used rule Lattice are larger, prevent puncturing needle tubing from long-time indwelling in blood vessel, cause to the patient that needs are repeatedly dialysed very big Pain.

Utility model content

Based on this, it is necessary to a kind of diacan is provided, which is leave-on diacan, It is able to achieve indwelling purpose, mitigates patient suffering, and can prevent blood extravasation, realizes secured location, safe and reliable.

Its technical solution is as follows:

A kind of diacan, including inlying catheter component and puncture needle component, the inlying catheter component include leading Tube socket, indwelling tube, batching pig and valve, the catheter block have cavity, and the both ends of the cavity in axial direction are respectively institute The first interface and second interface of catheter block are stated, the indwelling tube docking is arranged at the first interface, and the batching pig is set It sets in the cavity, the valve is arranged on the catheter block, and the valve is located at the batching pig and stays far from described The side for setting pipe, when the valve is in channel status, the access of the valve along the cavity axial direction setting and It is connected to the cavity, when the valve is in closed circuit state, the valve can separate the cavity, the puncture needle group Part includes puncturing needle tubing, access, batching pig, first interface and the indwelling tube for puncturing needle tubing and passing through the valve.

Above-mentioned diacan pierces through blood vessel when puncturing needle tubing, when indwelling tube enters blood vessel suitable length, punctures needle tubing Can extract, indwelling tube can indwelling indwelling purpose is realized in blood vessel, the diacan be leave-on diacan, Needle tubing is punctured without multiple plug, alleviates the pain of patient；Outer sheath due to puncturing needle tubing is equipped with indwelling tube, punctures needle tubing When extraction, indwelling tube can play a protective role, and prevent from scratching blood vessel in withdrawal process, safe and reliable；In addition, traditional The specification of the puncture needle tubing of diacan is larger, and one can be caused to batching pig when passing through and detaching batching pig by puncturing needle tubing Setting loss wound, and it is likely to form certain gap, so that oozing of blood is likely to result under the effect of biggish blood pressure, by the way that valve is arranged Door, when valve is in channel status, the access of valve passes through inserting or pull out for realization puncture needle tubing for puncturing needle tubing, when After puncture needle tubing completion puncture is withdrawn from, valve can be closed, valve is made to be in closed circuit state, valve can separate cavity at this time, from And prevent the blood oozed out by batching pig from polluting by second interface outflow, and realize secured location, it is safe and reliable.

Further, the valve be two-port valve, the valve include operation portion and connect with the operation portion every Disconnected portion, the operation portion are placed outside the outside of the catheter block, and the operation portion is for controlling the partition portion in channel status Conversion between closed circuit state, the partition portion protrude into the catheter block it is built-in in the cavity, in the partition portion Equipped with the access, when the valve is in channel status, the partition portion is connected to by the access with the cavity, when When the valve is in closed circuit state, the access and the cavity are disconnected, and the partition portion separates the cavity.

Further, the operation portion includes valve knob, and the valve knob is for controlling the partition portion in access Conversion between state and closed circuit state.

Further, the puncture needle component further includes Paracentesis needle holder, and the catheter block is arranged in the Paracentesis needle holder At second interface, the rear end for puncturing needle tubing is fixed on the Paracentesis needle holder.

Further, the diacan further includes infusion component, and the catheter block is triplet type catheter block, described Catheter block has lateral branching tube socket, and the infusion component is connected to the lateral branching tube socket.

Further, the infusion component includes extension tube, infusion connector and flow-stopping clip, one end of the extension tube and institute The connection of lateral branching tube socket is stated, the other end of the extension tube is connect with the infusion connector, and the flow-stopping clip is arranged described In extension tube.

Further, the outer wall of the lateral branching tube socket is equipped with anti-skid bulge.

Further, dispensing hole is being offered with the batching pig corresponding section on the outer wall of the catheter block.

Further, the dispensing hole be at least two, at least two dispensing holes along the catheter block circumferential direction The setting of direction uniform intervals.

Further, the specification for puncturing needle tubing is 15G~18G.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of diacan described in an embodiment of the present invention；

Fig. 2 is inlying catheter component and the cross-sectional view of puncture needle component described in an embodiment of the present invention；

Fig. 3 is the top view of valve when valve described in an embodiment of the present invention is in channel status；

Fig. 4 is looking up for inlying catheter component when valve described in an embodiment of the present invention is in channel status Figure；

Fig. 5 is the cross-sectional view of valve when valve described in an embodiment of the present invention is in closed circuit state.

Description of symbols:

100, inlying catheter component, 110, catheter block, 111, cavity, 112, first interface, 113, second interface, 120, stay Set pipe, 130, batching pig, 140, valve, 141, access, 142, operation portion, 1422, valve knob, 143, partition portion, 144, logical Road direction instruction mark, 145, dispensing hole, 150, lateral branching tube socket, 160, anti-skid bulge, 200, puncture needle component, 210, puncture Needle tubing, 220, Paracentesis needle holder, 300, infusion component, 310, extension tube, 320, infusion connector, 330, flow-stopping clip.

Specific embodiment

The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model, It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making practical new to this The disclosure of type understands more thorough and comprehensive.

It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper", There is no intermediary elements.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement are For illustrative purposes, it is not meant to be the only embodiment.

Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet Include any and all combinations of one or more related listed items.Term as used herein " first ", " second " It is used to distinguish object Deng herein, but these objects should not be limited by these terms.

As shown in Figure 1 and Figure 2, an embodiment provides a kind of diacan, including inlying catheter component 100 and puncture Needle assemblies 200.The inlying catheter component 100 includes catheter block 110, indwelling tube 120, batching pig 130 and valve 140.It is described Catheter block 110 has cavity 111, and the both ends of the cavity 111 in axial direction are respectively the first interface of the catheter block 110 112 and second interface 113.The docking of indwelling tube 120 is arranged at the first interface 112.The setting of batching pig 130 exists In the cavity 111.The valve 140 is arranged on the catheter block 110, and the valve 140 is located at the batching pig 130 Side far from the indwelling tube 120.When the valve 140 is in 141 state of access, 141 edge of access of the valve 140 The axial direction of the cavity 111 is arranged and is connected to the cavity 111；It is described when the valve 140 is in closed circuit state Valve 140 can separate the cavity 111.The puncture needle component 200 includes puncturing needle tubing 210, and the puncture needle tubing 210 is worn Cross access 141, batching pig 130, first interface 112 and the indwelling tube 120 of the valve 140.

Above-mentioned diacan is worn when indwelling tube 120 enters blood vessel suitable length when puncturing the puncture blood vessel of needle tubing 210 Pricker pipe 210 can be extracted, indwelling tube 120 can indwelling indwelling purpose is realized in blood vessel, the diacan be leave-on Diacan punctures needle tubing 210 without multiple plug, alleviates the pain of patient；Due to puncturing the outer sheath of needle tubing 210 Equipped with indwelling tube 120, when puncturing the extraction of needle tubing 210, indwelling tube 120 can play a protective role, and prevent from puncturing the extraction of needle tubing 210 Blood vessel is scratched in the process, it is safe and reliable；In addition, the specification of the puncture needle tubing 210 of traditional diacan is larger, wear Pricker pipe 210 can cause centainly to damage when passing through and detaching batching pig 130 to batching pig 130, and be likely to form certain seam Gap, so that oozing of blood is likely to result under the effect of biggish blood pressure, by the way that valve 140 is arranged, when valve 140 is in access 141 When state, the access 141 of valve 140 passes through inserting or pull out for realization puncture needle tubing 210 for puncturing needle tubing 210, works as puncture Needle tubing 210 is completed to pierce through withdraw from after, valve 140 can be closed, valve 140 is made to be in closed circuit state, valve 140 can be every at this time Disconnected cavity 111 realizes safety to prevent the blood oozed out by batching pig 130 from polluting by the outflow of second interface 113 Indwelling may make valve 140 to remain closed circuit state, access 141 and the catheter block 110 of valve 140 during indwelling First interface 112 and second interface 113 are closed, and can be separated the cavity 111 of catheter block 110, be prevented by after batching pig 130 Oozing of blood outflow causes dirt, safe and reliable.

In the present embodiment, the axis direction of the access 141 of valve 140 is consistent with the axis direction of catheter block 110, convenient for wearing The insertion of pricker pipe 210.Optionally, the specification for puncturing needle tubing 210 is 15G~18G.In turn, 210 size of puncture needle tubing Specification is larger, is applicable in hemodialysis clinic treatment, meets the needs of puncturing to human body arteriovenous.The puncture needle tubing 210 cooperation valves 140 use, and cause centainly when passing through and detaching batching pig 130 to batching pig 130 even if puncturing needle tubing 210 Damage, forms certain gap, will not pass through catheter block 110 by 130 oozing of blood of batching pig under the effect of biggish blood pressure Second interface 113 flow out, being capable of secured location.

Specifically, the structure of the valve 140 can be to be a variety of, the purpose is to when being in 141 state of access, for wearing Pricker pipe 210, which passes through, realizes inserting or pull out for puncture needle tubing 210, when being in closed circuit state, can separate the cavity of catheter block 110 111, that is, separate the second interface 113 of batching pig 130 and catheter block 110, prevents the blood oozed out by batching pig 130 from passing through the The outflow of two interfaces 113 pollutes.

In one of the embodiments, as shown in Fig. 2, Fig. 4, Fig. 5, the valve 140 is two-port valve.The valve 140 Including operation portion 142 and the partition portion 143 being connect with the operation portion 142.The operation portion 142 is placed outside the catheter block 110 outside, the operation portion 142 is for controlling conversion of the partition portion 143 between channel status and closed circuit state, institute It states partition portion 143 and protrudes into the catheter block 110 and be built in the cavity 111, the partition portion 143 is equipped with the access 141, when the valve is in channel status, the partition portion 143 is connected to by the access 141 with the cavity 111, when When the valve 140 is in closed circuit state, the access 141 is disconnected with the cavity 111, and the partition portion 143 separates described Cavity 111.Using the above structure, channel status and closed circuit state of the partition portion 143 for realizing valve 140, the use of operation portion 142 In conversion of the control partition portion 143 between channel status and closed circuit state, when partition portion 143 is in channel status, i.e. valve Door 140 is in channel status, and access 141 punctures inserting or pull out for needle tubing 210 for puncturing needle tubing 210 across realization；When every When disconnected portion 143 is in closed circuit state, i.e., valve 140 is in closed circuit state, and access 141 is closed, and partition portion 143 separates cavity, prevents Only second interface 113 is flowed out by the oozing of blood after batching pig 130 to pollute.

Further, as shown in Figure 2 and Figure 3, the operation portion 142 includes valve knob 1422, the valve knob 1422 For controlling conversion of the partition portion 143 between channel status and closed circuit state.In this way, changeover valve knob can be passed through 1422 change the state of valve 140, easy to operate.Optionally, the operation portion 142 is equipped with path direction indicateing arm 144, just In assembling and check.

In one of the embodiments, as shown in Figure 1 and Figure 2, the puncture needle component 200 further includes Paracentesis needle holder 220, The Paracentesis needle holder 220 is arranged at the second interface 113 of the catheter block 110, and the rear end for puncturing needle tubing 210 is fixed on On the Paracentesis needle holder 220.In turn, puncturing needle tubing 210 can be mounted on catheter block 110 by Paracentesis needle holder 220, puncture needle tubing 210 can pass sequentially through the second interface 113 of catheter block 110, the access 141 of valve 140, batching pig 130 and prominent catheter block 110 first interface 112, indwelling tube 120, which can be set in, punctures 210 outside of needle tubing, and the syringe needle for puncturing needle tubing 210 exposes indwelling tube 120。

Further, as shown in Figure 1, the diacan further includes infusion component 300, the catheter block 110 is Triplet type catheter block, the catheter block 110 have lateral branching tube socket 150, the infusion component 300 and the lateral branching pipe Seat 150 is connected to.In turn, infusion component 300 can be used for external medical fluid, give patient fluid infusion by lateral branching tube socket 150.This implementation In example, the catheter block 110 is approximate y-type structure.

Further, the infusion component 300 includes extension tube 310, infusion connector 320 and flow-stopping clip 330, the extension One end of pipe 310 is connect with the lateral branching tube socket 150, and the other end of the extension tube 310 and the infusion connector 320 connect It connects, the flow-stopping clip 330 is arranged in the extension tube 310.In turn, after completing to puncture, infusion connector 320 can be used for and it Its transfusion instrument, which is connected, realizes external medical fluid, and medical fluid is delivered to lateral branching tube socket 150 by extension tube 310, works as completion Flow-stopping clip 330 can be closed after infusion or blood transfusion to prevent backflow of blood.In the present embodiment, the infusion connector 320 is spiral Straight coupling is connected, spiral, which connects, is equipped with end cap on straight coupling.To which infusion connector 320 can facilitate and other infusion apparatuses Tool, which is connected, realizes external medical fluid.

Further, the outer wall of the lateral branching tube socket 150 is equipped with anti-skid bulge 160.In this way, anti-skid bulge 160 It can play and facilitate assurance, anti-skidding effect, be easy to implement the assembly of lateral branching tube socket 150 Yu extension tube 310.

Further, as shown in Fig. 2, being opened up on the outer wall of the catheter block 110 with 130 corresponding section of batching pig There is dispensing hole 145.In this way, dispensing operation can be carried out by dispensing hole 145, so that connect with catheter block 110 can for batching pig 130 It leans on, prevents puncture needle tubing 210 from causing batching pig 130 mobile when passing through and detaching batching pig 130.Optionally, the dispensing hole 145 be at least two, and at least two dispensing holes 145 are arranged along the circumferential direction uniform intervals of the catheter block 110.Such as This, by the glue connection of 145, at least two dispensing hole, batching pig 130 is connect with catheter block 110 for batching pig 130 and catheter block 110 It is relatively reliable.

Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of diacan, which is characterized in that including inlying catheter component and puncture needle component, the inlying catheter group Part includes catheter block, indwelling tube, batching pig and valve, and the catheter block has cavity, the both ends of the cavity in axial direction The first interface and second interface of the respectively described catheter block, the indwelling tube docking is arranged at the first interface, described Batching pig is arranged in the cavity, and the valve is arranged on the catheter block, and to be located at the batching pig remote for the valve Side from the indwelling tube, when the valve is in channel status, the access of the valve is along the axial direction side of the cavity It is connected to setting and with the cavity, when the valve is in closed circuit state, the valve can separate the cavity, described Puncture needle component includes puncturing needle tubing, access, batching pig, first interface and the indwelling for puncturing needle tubing and passing through the valve Pipe.

2. diacan according to claim 1, which is characterized in that the valve is two-port valve, the valve packet The partition portion for including operation portion and connecting with the operation portion, the operation portion are placed outside the outside of the catheter block, the behaviour Make portion for controlling conversion of the partition portion between channel status and closed circuit state, partition portion protrudes into the catheter block In it is built-in in the cavity, the partition portion is equipped with the access, when the valve is in channel status, the partition Portion is connected to by the access with the cavity, and when the valve is in closed circuit state, the access and the cavity are disconnected, The partition portion separates the cavity.

3. diacan according to claim 2, which is characterized in that the operation portion includes valve knob, described Valve knob is for controlling conversion of the partition portion between channel status and closed circuit state.

4. diacan according to claim 1, which is characterized in that the puncture needle component further includes puncture needle Seat, the Paracentesis needle holder are arranged at the second interface of the catheter block, and the rear end for puncturing needle tubing is fixed on the puncture On needle stand.

5. diacan according to claim 1, which is characterized in that further include infusion component, the catheter block is Triplet type catheter block, the catheter block have lateral branching tube socket, and the infusion component is connected to the lateral branching tube socket.

6. diacan according to claim 5, which is characterized in that the infusion component includes extension tube, infusion Connector and flow-stopping clip, one end of the extension tube are connect with the lateral branching tube socket, the other end of the extension tube with it is described The connection of infusion connector, the flow-stopping clip are arranged in the extension tube.

7. diacan according to claim 5, which is characterized in that the outer wall of the lateral branching tube socket is equipped with Anti-skid bulge.

8. described in any item diacans according to claim 1~7, which is characterized in that on the outer wall of the catheter block Dispensing hole is being offered with the batching pig corresponding section.

9. diacan according to claim 8, which is characterized in that the dispensing hole is at least two, at least two A dispensing hole is arranged along the circumferential direction uniform intervals of the catheter block.

10. described in any item diacans according to claim 1~7, which is characterized in that the specification for puncturing needle tubing For 15G~18G.