CN210811407U

CN210811407U - Single-person operated puncture needle

Info

Publication number: CN210811407U
Application number: CN201921417377.1U
Authority: CN
Inventors: 邵晨兰; 王永正; 覃波
Original assignee: Peoples Hospital of Deyang City
Current assignee: Peoples Hospital of Deyang City
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-06-23
Anticipated expiration: 2029-08-28

Abstract

The utility model belongs to the technical field of medical instrument, especially, be a one-man operation formula pjncture needle, including the pjncture needle syringe needle, the top at the stylet holder is cup jointed to the bottom of pjncture needle syringe needle, the infusion hose has been cup jointed to the bottom of stylet holder, the front of pjncture needle syringe needle is provided with the scale mark, the sliding sleeve has been cup jointed to the surface of pjncture needle syringe needle to the connecting hole has been seted up to the sliding sleeve openly corresponds the position of scale mark. The utility model discloses, through the mutually supporting between flow rate regulator, scale mark, spacing calorie of key, spring, sliding sleeve, connecting hole, spread groove, rotation axis and the swivelling chute under, with the tail end at the spacing calorie of key back impel the wire casing of scale mark to just can accomplish the effect that the sliding sleeve can only advance and can not move back, after the sample, the pinch roller downstream on the medical personnel's accessible promotion flow rate regulator effectively avoids taking place the backward flow, thereby alright bring more facilities for medical personnel's work.

Description

Single-person operated puncture needle

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to one-man operation formula pjncture needle.

Background

The puncture needle is mainly used for thoracic cavity and abdominal cavity puncture and liquid drawing.

Thoracocentesis and abdominal puncture are one of the common clinical technical operations. Medical staff enters the thoracic cavity and the abdominal cavity through the puncture needle to enable effusion to flow out and take samples. At least two persons are required to participate in the traditional puncture process. One person uses the needle holder to fix the puncture needle and clamp the rubber tube, aiming at preventing the puncture needle from falling off, effusion from flowing out and air from entering, and the other person uses the syringe to suck the effusion. The whole puncture process needs two persons to cooperate in a tacit manner, and manpower is wasted. The color ultrasound of musculoskeletal can make clear the puncture position and depth, and the puncture needle marked with scales can be helpful for direct puncture, so that the medical treatment precision is embodied. The utility model discloses a single operation formula pjncture needle can solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a one-man operation type puncture needle to solve the problems in the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a one-man operation formula pjncture needle, includes the pjncture needle syringe needle, the top at the mandrel seat is cup jointed to the bottom of pjncture needle syringe needle, the infusion hose has been cup jointed to the bottom of mandrel seat, the front of pjncture needle syringe needle is provided with the scale mark, the sliding sleeve has been cup jointed to the surface of pjncture needle syringe needle to the connecting hole has been seted up to the position that the sliding sleeve openly corresponds the scale mark, and is provided with spacing card key in the connecting hole, and the tail end at spacing card key back is located the wire casing of scale mark, the surface cover.

Preferably, the upper surface of the inner wall of the connecting hole is provided with a connecting groove, and the rear side of the inner wall of the connecting groove is fixedly connected with the back surface of the limiting clamping key through a spring.

Preferably, both sides face of the limiting clamp key is fixedly connected with a rotating shaft, and the two rotating shafts are respectively positioned in rotating grooves formed in both sides face of the inner wall of the connecting hole.

Preferably, the scale of the graduation marks is in centimeters.

Preferably, the sliding sleeve, the limiting clamp key and the rotating shaft are all made of plastics.

Preferably, the top of the outer surface of the sliding sleeve is fixedly sleeved with a double-sided adhesive sheet, the double-sided adhesive sheet is annular, and a release film is bonded to the back of the double-sided adhesive sheet.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, through the mutually supporting between flow rate regulator, scale mark, spacing calorie of key, spring, sliding sleeve, connecting hole, spread groove, rotation axis and the swivelling chute under, with the tail end at the spacing calorie of key back impel the wire casing of scale mark to just can accomplish the effect that the sliding sleeve can only advance and can not move back, after the sample, the pinch roller downstream on the medical personnel's accessible promotion flow rate regulator effectively avoids taking place the backward flow, thereby alright bring more facilities for medical personnel's work.

The utility model discloses, through setting up the spread groove, the spread groove not only is spacing calorie of key extension activity space, also plays the supporting role to the spring simultaneously.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic structural view of the position A of the present invention;

FIG. 3 is an enlarged schematic structural view of the position B of the present invention;

FIG. 4 is a schematic view of the right-looking cross-sectional structure of the middle sliding sleeve of the present invention;

fig. 5 is an enlarged schematic structural diagram of the middle C of the present invention.

In the figure: 1. a puncture needle head; 2. a needle core seat; 3. a flexible infusion tube; 4. a sliding sleeve; 5. connecting holes; 6. connecting grooves; 7. a limiting clamp key; 8. a rotating shaft; 9. a rotating tank; 10. scale lines; 11. a spring; 12. a flow rate regulator; 13. double-sided adhesive tape.

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.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a one-man operation type puncture needle comprises a puncture needle head 1, the bottom end of the puncture needle head 1 is sleeved on the top of a needle core seat 2, a transfusion hose 3 is sleeved on the bottom of the needle core seat 2, scale marks 10 are arranged on the front surface of the puncture needle head 1, a sliding sleeve 4 is sleeved on the outer surface of the puncture needle head 1, a connecting hole 5 is formed in the position, corresponding to the scale marks 10, of the front surface of the sliding sleeve 4, a limiting clamp key 7 is arranged in the connecting hole 5, the sliding sleeve 4 is pushed to slide on the surface of the puncture needle head 1 through the arrangement of the limiting clamp key 7 and a spring 11, the moving distance of a medical worker can refer to the scale marks 10, so that the puncture depth of the puncture needle head 1 can be determined, and the spring 11 can apply reverse acting force to the limiting clamp key 7 in the rotating process of a rotating groove 9 through a rotating shaft 8, so that the tail end of the back of the limiting clamp key 7 can be, thereby just can accomplish the effect that sliding sleeve 4 can advance only can not move back to the tail end at the spacing calorie of key 7 back is located the wire casing of scale mark 10, and infusion hose 3's surface cover is equipped with flow rate regulator 12, and through setting up flow rate regulator 12, after the sample, medical personnel's accessible promotes the pinch roller on the flow rate regulator 12 and moves down, effectively avoids taking place the backward flow, thereby alright bring more facilities for medical personnel's work.

Specifically, spread groove 6 has been seted up to the upper surface of connecting hole 5 inner wall to the back fixed connection of spring 11 and spacing card key 7 is passed through to the rear side of spread groove 6 inner wall, and through setting up spread groove 6, spread groove 6 not only is spacing card key 7 extension activity space, also plays the supporting role to spring 11 simultaneously.

Specifically, two side surfaces of the limiting clamp key 7 are fixedly connected with rotating shafts 8, and the two rotating shafts 8 are respectively positioned in rotating grooves 9 formed in two side surfaces of the inner wall of the connecting hole 5.

Specifically, the scale of the graduation marks 10 is in centimeters.

Specifically, the sliding sleeve 4, the limiting clamp key 7 and the rotating shaft 8 are all made of plastics.

Specifically, the top of the outer surface of the sliding sleeve 4 is fixedly sleeved with a double-sided adhesive sheet 13, the double-sided adhesive sheet 13 is in a circular ring shape, and a release film is bonded to the back of the double-sided adhesive sheet 13.

The utility model discloses a theory of operation and use flow: the utility model discloses at the in-process that is being used, promote sliding sleeve 4 and slide on pjncture needle 1's surface, and the migration distance medical personnel can refer to according to scale mark 10, therefore just can confirm the degree of depth that pjncture needle 1 pierces, again because spacing calorie of key 7 takes place rotatory in-process through rotation axis 8 in swivelling chute 9, spring 11 can apply reverse effort to spacing calorie of key 7, therefore just can push into the wire casing of scale mark 10 with the tail end at the spacing calorie of key 7 back, thereby just can accomplish the effect that sliding sleeve 4 can advance can not move back, after the sample, medical personnel's accessible promotes the pinch roller downstream on the velocity of flow regulator 12, under the effect of pinch roller pressure, thereby just can play the effect of holding back, effectively avoid taking place the backward flow, thereby alright bring more facilities for medical personnel's work.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A single-person operated puncture needle comprises a puncture needle head (1) and is characterized in that: the bottom of pjncture needle syringe needle (1) cup joints the top at nook closing member seat (2), infusion hose (3) have been cup jointed to the bottom of nook closing member seat (2), the front of pjncture needle syringe needle (1) is provided with scale mark (10), sliding sleeve (4) have been cup jointed to the surface of pjncture needle syringe needle (1) to connecting hole (5) have been seted up to sliding sleeve (4) openly correspond the position of scale mark (10), and be provided with spacing calorie of key (7) in connecting hole (5), and the tail end at the spacing calorie of key (7) back is located the wire casing of scale mark (10), the surface cover of infusion hose (3) is equipped with velocity of flow regulator (12).

2. A single-person operated puncture needle according to claim 1, characterized in that: the upper surface of the inner wall of the connecting hole (5) is provided with a connecting groove (6), and the rear side of the inner wall of the connecting groove (6) is fixedly connected with the back surface of the limiting clamp key (7) through a spring (11).

3. A single-person operated puncture needle according to claim 1, characterized in that: the two side faces of the limiting clamping key (7) are fixedly connected with rotating shafts (8), and the two rotating shafts (8) are respectively positioned in rotating grooves (9) formed in the two side faces of the inner wall of the connecting hole (5).

4. A single-person operated puncture needle according to claim 1, characterized in that: the scale of the scale mark (10) is in centimeters.

5. A single-person operated puncture needle according to claim 1, characterized in that: the sliding sleeve (4), the limiting clamp key (7) and the rotating shaft (8) are all made of plastics.

6. A single-person operated puncture needle according to claim 1, characterized in that: the top of sliding sleeve (4) surface is fixed cup jointed double faced adhesive tape (13) to the shape of double faced adhesive tape (13) is the ring form, and the back of double faced adhesive tape (13) bonds and has from the type membrane.