CN213129802U

CN213129802U - Puncture needle for nephrology department

Info

Publication number: CN213129802U
Application number: CN202021536327.8U
Authority: CN
Inventors: 罗洁; 戚月; 汤化民; 李晶
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-05-07
Anticipated expiration: 2030-07-29

Abstract

The utility model discloses a pjncture needle for nephrology dept, including outer tube, support cover and spacing seat, the activity groove has been seted up to the upper surface of outer tube, the inside swing joint of activity inslot has the push rod, the platform that pushes away of cylinder structure is installed at the top of push rod, the bottom of push rod is equipped with the push pedal, the bottom threaded connection of outer tube has a support cover, the symmetric welding has the boss on the outer wall of support cover, the bottom of supporting the cover is equipped with the screw thread round pin, the spacing seat swing joint of screw thread round pin and cone structure, set up flutedly on the bottom face of screw thread round pin, the inside swing joint of its recess has the needle cover, the bottom of needle cover is equipped with the needle tubing, the inside needle core that is equipped with of needle tubing, be equipped with the self-sealing pipe on the inside bottom face of support. This pjncture needle for nephrology dept, the effectual accuracy of guaranteeing the puncture operation has promoted the efficiency of puncture operation.

Description

Puncture needle for nephrology department

Technical Field

The utility model belongs to the technical field of medical equipment, concretely relates to puncture needle for nephrology dept.

Background

Puncture is a diagnosis and treatment technique in which a puncture needle is inserted into a body cavity to extract secretions for assay, gas or a contrast agent is injected into the body cavity to perform contrast examination, or medicines are injected into the body cavity. Aims at blood drawing, blood transfusion, fluid infusion and angiography in pipe.

In the puncture process, puncture failure caused by movement of a patient exists, once the puncture failure needs to be performed again, the pain of the patient is increased undoubtedly, and after the puncture needle core is withdrawn, no limiting component is arranged outside human tissues, and the puncture sheath is easy to displace to cause inaccurate positioning.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pjncture needle for nephrology dept to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a puncture needle for nephrology department, which comprises an outer sleeve, a supporting sleeve and a limiting seat, wherein the upper surface of the outer sleeve is provided with a movable groove, a push rod is movably connected inside the movable groove, a push platform with a cylindrical structure is arranged at the top of the push rod, the bottom of the push rod is provided with a push plate, the bottom of the outer sleeve is in threaded connection with a support sleeve, the outer wall of the support sleeve is symmetrically welded with bosses, the bottom of the supporting sleeve is provided with a threaded pin which is movably connected with a limiting seat of a cone structure, the bottom end surface of the threaded pin is provided with a groove, a needle sleeve is movably connected in the groove, a needle tube is arranged at the bottom of the needle sleeve, a needle core is arranged in the needle tube, the supporting sleeve is characterized in that a self-sealing pipe is arranged on the bottom end face of the inside of the supporting sleeve, two groups of spring pieces are symmetrically mounted on the outer wall of the self-sealing pipe, and a spring seat is arranged at the top of the self-sealing pipe.

Preferably, one end of the needle core, which is far away from the needle tube, penetrates through the top plate and is fixed on the bottom end face of the push plate.

Preferably, the upper surface of the limiting seat is provided with a thread groove, and the limiting seat is movably connected with the supporting sleeve through the thread groove.

Preferably, the bottom of the limiting seat is connected with a bottom plate of a circular ring structure, two groups of connecting grooves are symmetrically formed in the upper surface of the bottom plate, and clamping grooves are symmetrically formed in the inner walls of the connecting grooves.

Preferably, the clamping groove is internally and movably connected with a movable rod, the movable rod is symmetrically welded on the outer wall of the fixed plate, and the upper surface of the fixed plate is provided with a fixed groove.

Preferably, the outer wall of the outer sleeve is provided with anti-skid threads, and the annular array on the upper surface of the outer sleeve is provided with a plurality of groups of air holes.

The utility model discloses a technological effect and advantage: according to the puncture needle for nephrology department, the self-sealing tube with the spring piece is arranged in the support sleeve, so that accumulated liquid in a human body is prevented from flowing out along the needle body during puncture, cross infection is avoided, and the safety of the puncture needle is improved; the position limiting seat is arranged to ensure that a doctor finds a proper position to carry out puncture operation when in use, the position of the puncture needle is fixed, and the puncture sheath is ensured not to be easily displaced; the spring seat is arranged at the bottom of the push plate, so that a doctor can conveniently master the force required for puncture when using the puncture needle, and the stretching and retracting of the needle core can be accurately controlled. This pjncture needle for nephrology dept, the effectual accuracy of guaranteeing the puncture operation has promoted the efficiency of puncture operation.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an internal cross-sectional view of the present invention;

fig. 3 is a schematic structural diagram of a position a in fig. 1 according to the present invention.

In the figure: 1 outer sleeve, 101 movable groove, 102 air vent, 11 support sleeve, 110 boss, 112 threaded pin, 113 needle sleeve, 114 needle tube, 116 top plate, 117 spring leaf, 118 self-sealing tube, 12 push table, 120 spring seat, 121 push rod, 122 push plate, 123 needle core, 13 limit seat, 130 threaded groove, 131 fixed plate, 132 bottom plate, 135 connecting groove, 136 clamping groove, 138 movable rod and 139 fixing groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a puncture needle for nephrology department as shown in figures 1-3, which comprises an outer sleeve 1, a supporting sleeve 11 and a limiting seat 13, wherein the upper surface of the outer sleeve 1 is provided with a movable groove 101, the movable groove 101 is movably connected with a push rod 121, the top of the push rod 121 is provided with a push platform 12 with a cylinder structure, the bottom of the push rod 121 is provided with a push plate 122, the push platform 12 is arranged to facilitate the doctor to apply an acting force to a needle core 123 when in use, the bottom of the outer sleeve 1 is in threaded connection with the supporting sleeve 11, the outer wall of the supporting sleeve 11 is symmetrically welded with a boss 110, the puncture needle is fixed inside a palm by arranging the boss 110 to facilitate the doctor to use, the bottom of the supporting sleeve 11 is provided with a threaded pin 112, the threaded pin 112 is movably connected with the limiting seat 13 with a cone structure, and the limiting seat 13 is fixed by, the utility model discloses a puncture needle, including threaded pin 112, needle cover 113, spring leaf 117, needle core 123, two sets of spring leaves 117 are installed to the symmetry on the outer wall of tube 118, the top from tube 118 is equipped with spring holder 120, produces the elastic action through setting up spring holder 120 to push rod 121, and the doctor of being convenient for when using accurate masters suitable dynamics, needle cover 113's bottom is equipped with needle tubing 114, needle tubing 114 is inside to be equipped with nook closing 123, be equipped with from tube 118 on the inside bottom face of support cover 11, will clip from tube 118 through setting up spring leaf 117, prevent that the hydrops can not flow along the needle body in puncture process.

Specifically, one end of the stylet 123, which is far away from the needle tube 114, penetrates through the top plate 116 and is fixed on the bottom end face of the push plate 122, and the stylet 123 is fixed at the bottom of the push plate 122, so that the use of a doctor is facilitated.

Specifically, the upper surface of the limiting seat 13 is provided with a thread groove 130, the limiting seat 13 is movably connected with the supporting sleeve 11 through the thread groove 130, and the limiting seat 13 is screwed at the bottom of the supporting sleeve 11 by the thread groove 130 and the threaded pin 112.

Specifically, the bottom of spacing seat 13 is connected with the bottom plate 132 of ring structure, two sets of connecting grooves 135 have been seted up to the upper surface symmetry of bottom plate 132, draw-in groove 136 has been seted up to the symmetry on the inner wall of connecting groove 135, through setting up draw-in groove 136 with fixed plate 131 swing joint on spacing seat 13.

Specifically, swing joint has movable rod 138 in draw-in groove 136, movable rod 138 symmetric welding is on the outer wall of fixed plate 131, fixed slot 139 has all been seted up to the upper surface of fixed plate 131, through setting up fixed plate 131, guarantees that spacing seat 13 can fix the position at required puncture when using.

Specifically, be equipped with anti-skidding screw thread on the outer wall of outer tube 1, the upper surface annular array of outer tube 1 has multiunit bleeder vent 102, prevents through setting up bleeder vent 102 that the inside gas that leaves of outer tube 1 from making push rod 121 the unable circumstances that removes appear.

The working principle is as follows: this pjncture needle for nephrology dept, insert the nook closing member 123 through self-sealing pipe 118 inside needle cover 113, with outer tube 1 and support cover 11 thread tightening, cooperation through threaded pin 112 and thread groove 130, with spacing seat 13 and support cover 11 separation, cooperation through spread groove 135 and movable rod 138, overturn out fixed plate 131, make fixed plate 131 fix inside spread groove 135, coat medical pressure sensitive adhesive in the bottom of fixed plate 131, fix spacing seat 13 in suitable puncture position through fixed plate 131, insert inside thread groove 130 needle cover 113, carry out the puncture operation through compression thrust unit 12. This puncture needle for nephrology dept, reasonable in design, simple structure has very high practicality in XX, but wide use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a puncture needle for nephrology dept, includes outer tube (1), supports cover (11) and spacing seat (13), its characterized in that: the upper surface of the outer sleeve (1) is provided with a movable groove (101), the interior of the movable groove (101) is movably connected with a push rod (121), the top of the push rod (121) is provided with a push platform (12) with a cylindrical structure, the bottom of the push rod (121) is provided with a push plate (122), the bottom of the outer sleeve (1) is in threaded connection with a support sleeve (11), the outer wall of the support sleeve (11) is symmetrically welded with bosses (110), the bottom of the support sleeve (11) is provided with a threaded pin (112), the threaded pin (112) is movably connected with a limiting seat (13) with a conical structure, the bottom end surface of the threaded pin (112) is provided with a groove, the groove is movably connected with a needle sleeve (113), the bottom of the needle sleeve (113) is provided with a needle tube (114), the needle tube (123) is arranged inside the needle tube (114), and the interior bottom end surface of the support sleeve (11, two sets of spring pieces (117) are symmetrically installed on the outer wall of the self-sealing pipe (118), and a spring seat (120) is arranged at the top of the self-sealing pipe (118).

2. A puncture needle for nephrology department according to claim 1, characterized in that: one end of the needle core (123) far away from the needle tube (114) penetrates through the top plate (116) and is fixed on the bottom end face of the push plate (122).

3. A puncture needle for nephrology department according to claim 1, characterized in that: the upper surface of the limiting seat (13) is provided with a thread groove (130), and the limiting seat (13) is movably connected with the supporting sleeve (11) through the thread groove (130).

4. A puncture needle for nephrology department according to claim 1, characterized in that: the bottom of spacing seat (13) is connected with bottom plate (132) of ring structure, two sets of connecting groove (135) have been seted up to the upper surface symmetry of bottom plate (132), draw-in groove (136) have been seted up to the symmetry on the inner wall of connecting groove (135).

5. A puncture needle for nephrology department according to claim 4, characterized in that: swing joint has movable rod (138) in draw-in groove (136), movable rod (138) symmetrical welding is on the outer wall of fixed plate (131), fixed slot (139) have all been seted up to the upper surface of fixed plate (131).

6. A puncture needle for nephrology department according to claim 1, characterized in that: the anti-skidding thread is arranged on the outer wall of the outer sleeve (1), and a plurality of groups of air holes (102) are formed in the annular array on the upper surface of the outer sleeve (1).