CN212369052U

CN212369052U - Deep vein puncture device

Info

Publication number: CN212369052U
Application number: CN202020351161.6U
Authority: CN
Inventors: 肖曙芳; 李斌; 李翠芬; 杭玲; 钏新
Original assignee: Kunming Childrens Hospital
Current assignee: Kunming Childrens Hospital
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2021-01-19
Anticipated expiration: 2030-03-19

Abstract

The utility model discloses a dark vein puncture device, including outer thimble and interior heart needle, the top of outer thimble is provided with outer thimble end, the fixed cover in top of outer thimble is equipped with the location ring, the top of outer thimble end is provided with first magnetic ring, the top of interior heart needle is provided with interior heart needle end, the fixed cover in top of interior heart needle is equipped with the lantern ring, and the bottom fixed connection of the top of the lantern ring and interior heart needle end, the bottom of interior heart needle end is provided with the second magnetic ring, and second magnetic ring hoop encloses the bundle lantern ring. A dark vein puncture device, be equipped with first magnetic ring, second magnetic ring, location ring, glue film and protective layer, withdraw from the heart needle after accomplishing the puncture, put into the in-process of seal wire through the internal channel of outer sleeve needle, with the skin adhesion, the outer sleeve needle of automatic fixation does benefit to the operation to, easy operation when outer sleeve needle and heart needle dismouting bring better use prospect.

Description

Deep vein puncture device

Technical Field

The utility model relates to the field of medical equipment, in particular to dark vein puncture device.

Background

The deep vein catheterization is an indispensable means for intensive care wards, major operations and treatment of critically ill patients, the deep vein catheterization refers to the process of puncturing the body surface to a corresponding vein to place a deep vein catheter, along with the development of medical science and medical technology, the technology is widely developed in primary hospitals, widely applied to aspects of blood transfusion, fluid infusion, venous nutrition, central venous pressure monitoring, emergency treatment of critically ill patients and the like, and along with the continuous improvement of the technology, the technology is expanded to aspects of hemodialysis, chemotherapy of tumor patients, intracardiac pacing, drainage of body cavity hydrops and the like.

The existing deep vein puncture device has certain disadvantages when in use, the deep vein puncture catheterization process generally comprises disinfection, anesthesia, puncture, guide wire placement and catheter placement, an inner needle is withdrawn after the puncture is finished, the guide wire is placed in through an inner channel of an outer needle, the outer needle needs to be manually fixed in the process, and the subsequent operation is influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a deep venipuncture device, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a dark venipuncture device, includes outer thimble and interior heart needle, the top of outer thimble is provided with outer thimble end, the fixed cover in top of outer thimble is equipped with the location ring, the top of outer thimble end is provided with first magnetic ring, the top of interior heart needle is provided with interior heart needle end, the fixed cover in top of interior heart needle is equipped with the lantern ring, and the top of lantern ring and the bottom fixed connection of interior heart needle end, the bottom of interior heart needle end is provided with the second magnetic ring, and second magnetic ring hoop encloses and restraints the lantern ring, first passageway has been seted up to the inside of outer thimble, the second passageway has been seted up to the inside of outer thimble end, the interior heart needle passes first passageway and second passageway in the bottom protrusion of outer thimble, lantern ring activity suit is in the second passageway.

Preferably, the first magnetic ring and the second magnetic ring have the same specification and size, and the edges of the first magnetic ring and the second magnetic ring are chamfered.

Preferably, the length of the outer diameter of the outer thimble increases from bottom to top in sequence, the bottom end of the inner thimble is provided with an inclined plane, and the angle of the intersection included angle between the inner thimble and the inclined plane is an angle degree.

Preferably, a first strong glue is arranged between the first magnetic ring and the outer thimble end head, the bottom of the first magnetic ring is fixedly connected with the top of the outer thimble end head through the first strong glue, a second strong glue is arranged between the second magnetic ring and the inner thimble end head, and the top of the second magnetic ring is fixedly connected with the bottom of the inner thimble end head through the second strong glue.

Preferably, the end of the inner core needle is provided with an anti-slip sleeve, an adhesive is arranged between the end of the inner core needle and the anti-slip sleeve, and the outer wall of the end of the inner core needle is fixedly connected with the inner wall of the anti-slip sleeve through the adhesive.

Preferably, the bottom surface of location ring scribbles the glue film, the glue film is medical pressure sensitive adhesive, it has the protective layer to paste on the glue film, the quantity of protective layer is two sets of, and two sets of protective layers are the semicircle ring shape.

Compared with the prior art, the utility model discloses following beneficial effect has: this deep vein puncture device, first magnetic ring through the setting, the second magnetic ring, the location ring, glue film and protective layer, the protective layer provides the protection for the glue film, prevent that the glue film from putting the stage other than the operation and bonding with other objects in deep vein puncture, the location ring cooperatees with the glue film, withdraw from the heart needle after accomplishing the puncture, the in-process of seal wire is put into to the inner channel through outer thimble, with the skin adhesion, automatic fixed outer thimble, and, adopt the glue film to be medical pressure sensitive adhesive, it is less to patient's skin influence, the design of first magnetic ring and second magnetic ring, play certain locking effect through magnetic field effect, easy operation during the dismouting, and, be different from the structure that clamps, the dead phenomenon of card can not appear, do benefit to people and use, whole deep vein puncture device simple structure, high durability and convenient operation, the effect of using is better for traditional mode.

Drawings

Fig. 1 is a front view of the deep vein puncture device of the present invention.

Fig. 2 is a schematic structural view of an external trocar in the deep vein puncture device of the present invention.

Fig. 3 is a schematic structural view of the center needle of the deep vein puncture device of the present invention.

Fig. 4 is an enlarged view of a in fig. 2 of a deep vein puncture device according to the present invention.

In the figure: 1. externally sleeving a needle; 2. an inner core needle; 3. the outer sleeve needle end; 4. a first magnetic ring; 5. a collar; 6. a second magnetic ring; 7. the end of the inner core needle; 8. an anti-slip sleeve; 9. positioning the circular ring; 10. a glue layer; 11. and a protective layer.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a deep vein puncture device comprises an outer trocar 1 and an inner trocar 2, wherein the top of the outer trocar 1 is provided with an outer trocar tip 3, the top of the outer trocar 1 is fixedly sleeved with a positioning ring 9, the top of the outer trocar tip 3 is provided with a first magnetic ring 4, the top of the inner trocar 2 is provided with an inner trocar tip 7, the top of the inner trocar 2 is fixedly sleeved with a lantern ring 5, the top of the lantern ring 5 is fixedly connected with the bottom of the inner trocar tip 7, the bottom of the inner trocar tip 7 is provided with a second magnetic ring 6, the second magnetic ring 6 surrounds the lantern ring 5, the outer trocar 1 is internally provided with a first channel, the outer trocar tip 3 is internally provided with a second channel, the inner trocar 2 passes through the first channel and the second channel to protrude out of the bottom of the outer trocar 1, and the lantern ring 5 is movably sleeved in the second channel.

Furthermore, the first magnetic ring 4 and the second magnetic ring 6 have the same specification and size, and the edges of the first magnetic ring 4 and the second magnetic ring 6 are chamfered, so that a seam is formed at the edge of the joint surface of the first magnetic ring 4 and the second magnetic ring 6, which is beneficial to disassembly.

Further, the length of the outer diameter of the outer thimble 1 is sequentially increased from bottom to top, the outer thimble 1 is inserted into the puncture channel to expand the puncture channel, the bottom end of the inner thimble 2 is provided with an inclined plane, the angle of the intersection included angle between the inner thimble 2 and the inclined plane is 20 degrees to 30 degrees, and the angle is sharp, so that the puncture is facilitated.

Furthermore, a first strong glue is arranged between the first magnetic ring 4 and the outer thimble end 3, the bottom of the first magnetic ring 4 is fixedly connected with the top of the outer thimble end 3 through the first strong glue, a second strong glue is arranged between the second magnetic ring 6 and the inner thimble end 7, the top of the second magnetic ring 6 is fixedly connected with the bottom of the inner thimble end 7 through the second strong glue, the first magnetic ring 4 and the second magnetic ring 6 are designed to play a certain locking role through a magnetic field effect, the operation is simple during disassembly and assembly, and the clamping structure is different from a clamping structure, so that the clamping phenomenon cannot occur.

Furthermore, an anti-slip sleeve 8 is arranged on the inner core needle end 7, an adhesive is arranged between the inner core needle end 7 and the anti-slip sleeve 8, and the outer wall of the inner core needle end 7 is fixedly connected with the inner wall of the anti-slip sleeve 8 through the adhesive, so that the anti-slip capability during hand operation is improved.

Further, the bottom surface of location ring 9 scribbles glue film 10, glue film 10 is medical pressure sensitive adhesive, it has protective layer 11 to paste on the glue film 10, the quantity of protective layer 11 is two sets of, and two sets of protective layer 11 are the semicircle ring shape, protective layer 11 provides the protection for glue film 10, prevent that glue film 10 from putting the stage other than the catheterization and other object bonding in dark venipuncture, location ring 9 cooperatees with glue film 10, withdraw inner core needle 2 after accomplishing the puncture, the in-process of putting into the seal wire through the inner channel of outer thimble 1, with the skin adhesion, automatic fixed outer thimble 1.

It should be noted that the utility model relates to a deep vein puncture device, which comprises an outer thimble 1, an inner core needle 2, an outer thimble end 3, a first magnetic ring 4, a lantern ring 5, a second magnetic ring 6, an inner core needle end 7, an anti-slip cover 8, a positioning ring 9, a glue layer 10 and a protective layer 11. when in use, an operation point is selected at first, a disinfection area is established, local disinfection is carried out according to an aseptic operation program, two protective layers 11 are taken off, veins are punctured through the inner core needle 2, blood return is observed, the positions of the needle heads are fixed and the position of the inner core needle 2 is kept after the needle heads are totally inserted into blood vessels, during the puncture process, the outer thimble 1 is synchronously inserted, the outer diameter length of the outer thimble 1 is sequentially increased from bottom to top, when the outer thimble 1 is synchronously inserted, the puncture channel is expanded, after the outer thimble 1 is inserted, the glue layer 10 below the positioning ring 9 is contacted with the skin around the patient point, press location ring 9 a little, it is fixed to make glue film 10 and the peripheral skin adhesion of patient puncture point, fixes outer trocar 1 automatically, and heart needle end 7 in the manual pulling, first magnetic ring 4 and second magnetic ring 6 separation withdraw from heart needle 2, puts into the seal wire through the inside first passageway of seting up of outer thimble 1, later fixed seal wire withdraws from outer thimble 1, puts into dark ductus venosus along the seal wire, withdraws from the seal wire at last, and is comparatively practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a dark vein puncture device, includes outer needle (1) and heart needle (2), its characterized in that: the top of the outer thimble (1) is provided with an outer thimble end (3), the top end of the outer thimble (1) is fixedly sleeved with a positioning ring (9), a first magnetic ring (4) is arranged at the top of the outer thimble end (3), an inner thimble end (7) is arranged at the top of the inner thimble (2), a thimble (5) is fixedly sleeved at the top end of the inner thimble (2), the top of the lantern ring (5) is fixedly connected with the bottom of the inner core needle end head (7), the bottom of the inner core needle end head (7) is provided with a second magnetic ring (6), and the second magnetic ring (6) surrounds the lantern ring (5) in the circumferential direction, a first channel is arranged inside the outer thimble (1), the outer thimble end (3) is internally provided with a second channel, the inner thimble (2) passes through the first channel and the second channel to protrude out of the bottom of the outer thimble (1), and the lantern ring (5) is movably sleeved in the second channel.

2. A deep vein puncturing device according to claim 1, wherein: the first magnetic ring (4) and the second magnetic ring (6) are the same in specification and size, and the edges of the first magnetic ring (4) and the second magnetic ring (6) are chamfered.

3. A deep vein puncturing device according to claim 1, wherein: the outer diameter length of the outer thimble (1) is gradually increased from bottom to top, the bottom end of the inner thimble (2) is provided with an inclined plane, and the angle of the intersection included angle between the inner thimble (2) and the inclined plane is 20-30 degrees.

4. A deep vein puncturing device according to claim 1, wherein: first super glue is arranged between the first magnetic ring (4) and the outer thimble end head (3), the bottom of the first magnetic ring (4) is fixedly connected with the top of the outer thimble end head (3) through the first super glue, second super glue is arranged between the second magnetic ring (6) and the inner thimble end head (7), and the top of the second magnetic ring (6) is fixedly connected with the bottom of the inner thimble end head (7) through the second super glue.

5. A deep vein puncturing device according to claim 1, wherein: the anti-skidding core needle comprises an inner core needle end (7), and is characterized in that an anti-skidding sleeve (8) is arranged on the inner core needle end (7), an adhesive is arranged between the inner core needle end (7) and the anti-skidding sleeve (8), and the outer wall of the inner core needle end (7) is fixedly connected with the inner wall of the anti-skidding sleeve (8) through the adhesive.

6. A deep vein puncturing device according to claim 1, wherein: the bottom surface of location ring (9) scribbles glue film (10), glue film (10) are medical pressure-sensitive adhesive, it has protective layer (11) to paste on glue film (10), the quantity of protective layer (11) is two sets of, and two sets of protective layer (11) are the semicircle ring shape.