CN209347881U - A kind of disposable central venous catheter packet - Google Patents

Abstract

The utility model discloses a kind of disposable central venous catheter packets of medical appliance field, including percutaneous puncture needle, blue empty needle type device for posting, guide wire thruster, variable diameter to expand sheath, central venous catheter, Y-connector, disinfecting brush, gauze lamination, medical pad pasting, sewing needle；Blue empty needle type device for posting includes cylinder, cone, push-pull rod, convex sealing ring；Guide wire thruster includes shell made of hollow structure, transparent plastic, housing cavity be equipped with helical form arrangement, for placing seal wire, guiding channel with dial markings；It is additionally provided with guide wire exit openings end on shell, the pushing wheel for pushing seal wire is rotatably mounted on guide wire exit openings end；It includes sheath seat, sheath tube body, sheath cone that variable diameter, which expands sheath,；Central venous catheter include symmetrical pipe fitting, drainage tube, main pipe, further include fixed drainage tube fixed-wing；The Y-connector includes Y type part, two logical.The utility model operation is easy, and puncture success rate is high.

Description

A kind of disposable central venous catheter packet

Technical field

The utility model relates to medical appliance field, in particular to a kind of disposable central venous catheter packet.

Background technique

In the prior art, central venous catheter packet is there are three major issues, first, in blue empty needle cylinder without negative pressure and blood back is slow It can not judge whether puncture needle punctures in vein arteries and veins blood vessel, bring puncture needle and conduit to be strayed into arterial vascular security risk, wear It is not high to pierce accuracy rate；Second, the seal wire driving means that conventional support uses is difficult to operate, and push guiding steel wire feel is poor, in benefit When being placed in patient's diseased region with seal wire subsidiary conduit, medical staff needs that seal wire is smoothly sent to requirement by seal wire pusher Position, but often medical staff is the guidewire length for estimating by the length mark on seal wire to be placed in human body, however is had Seal wire does not have length mark or length mark interval very big, can only be estimated according to experience, this gives doctor to a certain extent Shield personnel bring inconvenience；Third, non-variable diameter expansion pipe puncture expansion effect is poor, sets the expansion that Guan Qianxu uses different-diameter by several times The expansion of sheath and cause wound repeatedly exposure, expand after it is ineffective and bring the problem for setting pipe difficulty, and substantially increase and make With the cost of product, the damage caused by patient is larger, and complication is more, and operation difficulty is big, is not easy to grasp, and reduces medical worker Working efficiency, seriously affect the best opportunity of curing patient, these are all due to conduit and aftermarket product in packet class product Caused by design and matching degree are not mature enough.

Utility model content

The purpose of the utility model is to provide puncture success rate height, and a kind of disposable central vein is led easily to operate Pipe packet.

Purpose of the utility model is realized as follows: a kind of disposable central venous catheter packet, including percutaneously wear Thorn needle, blue empty needle type device for posting, guide wire thruster, variable diameter expand sheath, central venous catheter, Y-connector, disinfecting brush, yarn Cloth lamination, medical pad pasting, sewing needle；

The indigo plant empty needle type device for posting includes cylinder, cone, push-pull rod, convex sealing ring；The push-pull rod is built in cylinder In body, the cone card is fitted at the top of the auxiliary section of push-pull rod, and the push-pull rod tail portion is provided with vacuum cavitations switch；

The guide wire thruster includes shell made of hollow structure, transparent plastic, and the housing cavity is equipped with spiral Shape arrangement, for placing seal wire, guiding channel with dial markings；Guide wire exit openings end, institute are additionally provided on the shell State the pushing wheel being rotatably mounted on guide wire exit openings end for pushing seal wire；

The variable diameter expansion sheath includes sheath seat, sheath tube body, sheath cone；The sheath tube body and cone are integral type knot Structure；

The central venous catheter includes symmetrical pipe fitting, drainage tube, further includes main pipe, further includes fixed drainage tube Fixed-wing；The pipe fitting converges to form main pipe by drainage tube；

The Y-connector includes Y type part, two logical；Described two it is logical in be provided with inner core, be provided with above the inner core flat Silicagel pad, lower section are provided with convex silicagel pad；The Y-connector is connect with guide wire thruster.

Compared with prior art, the utility model has the beneficial effect that due to being provided with inside blue empty needle type device for posting Vacuum cavitations switch, so that it is being not necessarily to pull piston Direct perforantes, natural bleeding；Due between adjacent sheath tube body and minimum It is smoothly connected between the sheath tube body and sheath cone of outer diameter for the conical surface or cambered surface, can effectively realize and central venous catheter is consolidated It is fixed, convenient for being operated on wound, and solves wound and repeatedly expose, it is ineffective after expansion, set the problem of pipe difficulty；By There is silicagel pad in Y-type three way type, point of puncture and blood during seal wire pushes may be implemented and do not contacted with the external world, counterflow-preventing, Guarantee germ-free condition, reduces infection probability.

As a preferred embodiment of the present invention, convex sealing ring, the convex sealing are provided at the top of the push-pull rod The angle of circle being upturned is 40 °~45 °.

As the further preferred scheme of the utility model, in the guiding channel it is embedding have be adapted with guiding channel , transparent guiding hose, the seal wire is placed in the guiding hose.

As the further preferred scheme of the utility model, the sheath tube body is by the sequence of outer diameter from big to small by sheath seat It is distributed to the axial direction of sheath cone, between the sheath tube body and is the conical surface between the sheath tube body and sheath cone of minimum outer diameter Or cambered surface is smoothly connected.

As the further preferred scheme of the utility model, after the central venous catheter end is set as anti-conduit merging There are double Z helical structures of near-wall air curtain.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the structural schematic diagram of the blue empty needle type device for posting of the utility model.

Fig. 3 is the structural schematic diagram of the guide wire thruster of the utility model.

Fig. 4 is that the variable diameter of the utility model expands the variable-diameter structure schematic diagram of sheath.

Fig. 5 is the central venous catheter structural schematic diagram of the utility model.

Fig. 6 is the Y-connector structural schematic diagram of the utility model.

Wherein, 1 percutaneous puncture needle, 2 blue empty needle type device for posting, 21 cylinders, 22 cones, 23 push-pull rods, the sealing of 24 convexes Circle, 3 guide wire thrusters, 31 shells, 32 guiding channels, 33 guide wire exit openings ends, 34 pushing wheels, 35 guiding hoses, 36 seal wires, 4 become Diameter expands sheath, and 41 sheath seats, 42 sheath tube bodies, 43 sheath cones, 5 central venous catheter, 51 pipe fittings, 52 drainage tubes, 53 is leading Pipe, 54 fixed-wings, 6Y type connector, 61Y type part, 62 liang are logical, 63 inner cores, 64 flat silicagel pads, 65 convex silicagel pads, 7 disinfecting brushs, and 8 Gauze lamination, 9 medical pad pastings, 10 sewing needles

Specific embodiment

As shown in Figure 1, a kind of disposable central venous catheter packet, including percutaneous puncture needle 1, blue empty needle type merging Device 2, guide wire thruster 3, variable diameter expand sheath 4, central venous catheter 5, Y-connector 6, disinfecting brush 7, gauze lamination 8, medical plaster Film 9, sewing needle 10；

Blue empty needle type device for posting 2 includes cylinder 21, cone 22, push-pull rod 23, convex sealing ring 24；Push-pull rod 23 is built in In cylinder 21, cone 22 is blocked at the top of the auxiliary section for fitting over push-pull rod 23, and 23 tail portion of push-pull rod is provided with vacuum cavitations switch 25；

Guide wire thruster 3 includes seal wire 36, further includes shell 31 made of hollow structure, transparent plastic, in shell 31 Chamber be equipped with helical form arrangement, for placing seal wire 36, guiding channel 32 with dial markings；It is additionally provided with and leads on shell 31 Silk outlet end 33, the pushing wheel 34 for pushing seal wire 36 is rotatably mounted on guide wire exit openings end 33；

It includes sheath seat 41, sheath tube body 42, sheath cone 43 that variable diameter, which expands sheath 4,；Sheath tube body 42 is integrated with cone 43 Formula structure.

Central venous catheter 5 includes symmetrical pipe fitting 51, drainage tube 52, further includes main pipe 53, further includes that fixation is drawn The fixed-wing 54 of flow tube 51；The pipe fitting 51 converges to form main pipe 52 by drainage tube 51.

Y-connector 6 includes Y type part 61, two logical 62；It is provided with inner core 63 in two logical 62, is provided with above inner core 63 flat Silicagel pad 64, lower section are provided with convex silicagel pad 65；Y-connector 6 is connect with guide wire thruster 3.

It is provided with convex sealing ring 24 at the top of above-mentioned push-pull rod 23, the angle that convex sealing ring 24 is upturned is 40 °~ 45°。

Embedding in above-mentioned guiding channel 32 to have guiding hose 35 compatible with guiding channel 32, transparent, seal wire 36 is put It sets in the guiding hose 35.

Axial direction distribution of the above-mentioned sheath tube body 42 by the sequence of outer diameter from big to small from sheath seat 41 to sheath cone 43, sheath It is smoothly connected between tube body 42 and for the conical surface or cambered surface between the sheath tube body 42 and sheath cone 43 of minimum outer diameter.

There are double Z helical structures of near-wall air curtain after being set as anti-conduit merging in above-mentioned 5 end of central venous catheter.

The working principle of the utility model is described below: being set after being punctured by percutaneous puncture with needle 1 with indigo plant empty needle type Enter device 2, be then inserted into guide wire thruster 3 from blue 2 tail portion of empty needle type device for posting, extracts percutaneous puncture with needle 1 and be inserted into variable diameter expansion Sheath 4 is opened to be adjusted.

The utility model is not limited to above-described embodiment, on the basis of technical solution disclosed by the utility model, this For the technical staff in field according to disclosed technology contents, not needing creative labor can be special to some of which technology Sign makes some replacements and deformation, these replacements and deformation are within the protection scope of the present utility model.

Claims (5)

1. a kind of disposable central venous catheter packet, it is characterised in that: including percutaneous puncture needle, blue empty needle type merging Device, guide wire thruster, variable diameter expand sheath, central venous catheter, Y-connector, disinfecting brush, gauze lamination, medical pad pasting, suture Needle；

The indigo plant empty needle type device for posting includes cylinder, cone, push-pull rod, convex sealing ring；The push-pull rod is built in cylinder, The cone card fits at the top of the auxiliary section of push-pull rod, and the push-pull rod tail portion is provided with vacuum cavitations switch；

The guide wire thruster includes shell made of hollow structure, transparent plastic, and the housing cavity is equipped with helical form cloth It is setting, for placing seal wire, guiding channel with dial markings；Guide wire exit openings end is additionally provided on the shell, it is described to lead The pushing wheel for pushing seal wire is rotatably mounted on silk outlet end；

The variable diameter expansion sheath includes sheath seat, sheath tube body, sheath cone；The sheath tube body is an integral structure with cone；

The central venous catheter includes symmetrical pipe fitting, drainage tube, further includes main pipe, further includes consolidating for fixed drainage tube Determine the wing；The pipe fitting converges to form main pipe by drainage tube；

The Y-connector includes Y type part, two logical；Described two it is logical in be provided with inner core, be provided with flat silica gel above the inner core Pad, lower section are provided with convex silicagel pad；The Y-connector is connect with guide wire thruster.

2. a kind of disposable central venous catheter packet according to claim 1, it is characterised in that: the push-pull rod top Portion is provided with convex sealing ring, and the angle of the convex sealing ring being upturned is 40 °~45 °.

3. a kind of disposable central venous catheter packet according to claim 1, it is characterised in that: the guiding channel In it is embedding have compatible with guiding channel, transparent guiding hose, the seal wire is placed in the guiding hose.

4. a kind of disposable central venous catheter packet according to claim 1, it is characterised in that: the sheath tube body Axial direction distribution by the sequence of outer diameter from big to small from from sheath seat to sheath cone, between the sheath tube body and the sheath of minimum outer diameter It is smoothly connected between pipe tube body and sheath cone for the conical surface or cambered surface.

5. a kind of disposable central venous catheter packet according to claim 1, it is characterised in that: the central vein There are double Z helical structures of near-wall air curtain after being set as anti-conduit merging in catheter tip.