CN217040249U

CN217040249U - Needle for pulmonary nodule puncture positioning

Info

Publication number: CN217040249U
Application number: CN202123196926.7U
Authority: CN
Inventors: 贾艳荣
Original assignee: Ordos Central Hospital (inner Mongolia Ultrasonic Image Institute)
Current assignee: Ordos Central Hospital (inner Mongolia Ultrasonic Image Institute)
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-07-26
Anticipated expiration: 2031-12-17

Abstract

The utility model relates to the technical field of medical equipment, in particular to a needle tool for pulmonary nodule puncture positioning, which comprises a needle tool main body, wherein the needle tool main body comprises an outer needle sleeve, one end of the outer needle sleeve is fixedly connected with a needle head, a through hole is arranged inside the outer needle sleeve, one end of the outer needle sleeve, which is far away from the needle head, is provided with a connecting end, one side of the through hole of the outer needle sleeve is internally and slidably connected with an inner movable tube, one end of the inner movable tube, which is far away from the needle head, is fixedly provided with a guide wire, one end of the inner movable tube, which is far away from the guide wire, is fixedly provided with an inner rod, one end of the inner rod, which is far away from the inner movable tube, is fixedly provided with a barb, the outer needle sleeve and the outer movable tube are provided with positioning structures which can effectively improve the positioning accuracy, and the needle tool is more convenient to use by arranging the positioning structures, thereby reducing the difficulty of treatment work and effectively improving the treatment accuracy, the positioning accuracy is improved.

Description

Needle for pulmonary nodule puncture positioning

Technical Field

The utility model relates to the technical field of medical equipment, specifically a needle utensil for pulmonary nodule puncture location.

Background

The pulmonary nodules are similar to circular lesions with the inner diameter of the lung being smaller than 3cm, a great number of pulmonary nodules cannot exclude the possibility of early malignant tumors, thoracoscopic surgery is widely applied to resection of the pulmonary nodules, rapid and accurate positioning becomes the key of success or failure of the surgery, how to accurately position the pulmonary nodules before resection, particularly before grinding of glass nodules and sub-centimeter nodules, is very important, and puncture is commonly used at present to position some pulmonary nodules.

However, the needle used for pulmonary nodule puncture positioning in the prior art still has a lot of defects, the operation is troublesome when the needle is used in the prior art, the difficulty of the treatment work of a doctor is increased, and the positioning accuracy of the existing needle used for pulmonary nodule puncture positioning is poor.

Therefore, a need exists to design a needle for pulmonary nodule puncture location to address the above-mentioned problems of the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a needling instrument for pulmonary nodule puncture location to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a needling instrument for pulmonary nodule puncture location, includes the needling instrument main part, the needling instrument main part includes outer needle sleeve, outer needle sleeve one end fixedly connected with syringe needle, the inside through-hole that is equipped with of outer needle sleeve, the one end that the syringe needle was kept away from to outer needle sleeve is equipped with the connection end, the inside sliding connection of outer needle sleeve one side through-hole has interior activity section of thick bamboo, the one end fixed mounting that the syringe needle was kept away from to interior activity section of thick bamboo has the seal wire, the one end fixed mounting that the seal wire was kept away from to interior activity section of thick bamboo has interior pole, the one end fixed mounting that interior activity section of thick bamboo was kept away from to interior pole has the barb, just outer needle sleeve is equipped with the location structure that can effectively improve the location precision with interior activity section of thick bamboo outside.

As the utility model discloses preferred scheme, connect the end and include and keep away from the positioning seat of syringe needle one side at outer needle sleeve through interface fixed connection, the telescopic one side fixed mounting of outer needle has the fixed lantern ring is kept away from to the positioning seat, and fixed lantern ring outside has two card ears along week length direction fixed mounting, and one side fixed mounting that the positioning seat was kept away from to the fixed lantern ring has the connecting cylinder, and one side fixed mounting that the fixed lantern ring was kept away from to the connecting cylinder has a screw thread section of thick bamboo.

As the utility model discloses preferred scheme, the mating holes who mutually supports with the through-hole have all been seted up to positioning seat, connecting cylinder and screw thread section of thick bamboo one side.

As the utility model discloses preferred scheme, location structure is including establishing the first graduation apparatus in the outer needle sleeve outside, and the internalization section of thick bamboo outside is equipped with the second graduation apparatus, and the internalization section of thick bamboo outside is equipped with the holding ring.

As the preferable proposal of the utility model, the positioning ring is arranged outside the inner movable cylinder in a sliding way.

As the preferable proposal of the utility model, the barb, the inner rod and the inner movable cylinder are movably arranged in the through hole.

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

1. the utility model discloses in, through setting up location structure, when this needling instrument is carrying out the puncture of pulmonary nodule to patient, it is internal to pierce patient with outer needle sleeve through the syringe needle in the suitable position of patient, fix a position outer needle sleeve through first graduation apparatus and pierce patient's internal distance, after suitable distance, it treats to make interior pole drive barb be close patient's nodule department through a control internalization section of thick bamboo, confirm the barb in patient's internal position through the second graduation apparatus cooperation holding ring on the internalization section of thick bamboo, carry out treatment, it is comparatively convenient to make this needling instrument use, thereby the degree of difficulty of treatment work has been reduced, the effectual treatment precision that has improved simultaneously, the location precision has been improved.

Drawings

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

FIG. 2 is a schematic view of the outer needle sleeve structure of the present invention;

fig. 3 is a schematic view of the structure of the inner movable tube of the present invention.

In the figure: 1. a needle body; 101. an outer needle sleeve; 102. connecting the end heads; 1021. positioning seats; 1022. an interface; 1023. clamping a lug; 1024. a fixed collar; 1025. a connecting cylinder; 1026. a threaded barrel; 103. an inner movable cylinder; 104. a guide wire; 105. a needle head; 106. a through hole; 107. an inner rod; 108. a barb; 2. a positioning structure; 201. a first scale; 202. a positioning ring; 203. a second scale table.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without creative work belong to the scope of protection of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-3, the present invention provides a technical solution:

a needle used for puncture positioning of pulmonary nodules comprises a needle body 1, the needle body 1 comprises an outer needle sleeve 101, one end of the outer needle sleeve 101 is fixedly connected with a needle head 105, a through hole 106 is arranged inside the outer needle sleeve 101, one end of the outer needle sleeve 101, which is far away from the needle head 105, is provided with a connecting end 102, one side of the outer needle sleeve 101, which is internally connected with an inner movable tube 103 in a sliding manner, one end of the inner movable tube 103, which is far away from the needle head 105, is fixedly provided with a guide wire 104, one end of the inner movable tube 103, which is far away from the guide wire 104, is fixedly provided with an inner rod 107, one end of the inner rod 107, which is far away from the inner movable tube 103, is fixedly provided with a barb 108, a positioning structure 2 capable of effectively improving positioning accuracy is arranged outside the outer needle sleeve 101 and the inner movable tube 103, the needle is convenient to use by arranging the positioning structure 2, thereby reducing difficulty of treatment work and effectively improving treatment accuracy, the positioning accuracy is improved.

In an embodiment, referring to fig. 1, fig. 2 and fig. 3, the connection terminal 102 includes a positioning socket 1021 fixedly connected to one side of the outer needle hub 101 away from the needle 105 through an interface 1022, a fixing collar 1024 is fixedly mounted on one side of the positioning socket 1021 away from the outer needle hub 101, two engaging lugs 1023 are fixedly mounted on an outer side of the fixing collar 1024 along a circumferential direction, a connection barrel 1025 is fixedly mounted on one side of the fixing collar 1024 away from the positioning socket 1021, a threaded barrel 1026 is fixedly mounted on one side of the connection barrel 1025 away from the fixing collar 1024, and mating holes matched with the through hole 106 are respectively formed on one side of the connection barrel 1025, the connection barrel 1025 and the threaded barrel 1026.

In the embodiment, referring to fig. 1, the positioning structure 2 includes a first scale 201 disposed outside the outer needle sleeve 101, and a second scale 203 disposed outside the inner movable tube 103, and a positioning ring 202 disposed outside the inner movable tube 103, the positioning ring 202 is slidably disposed outside the inner movable tube 103, the barb 108, the inner rod 107 and the inner movable tube 103 are movably disposed inside the through hole 106, by disposing the positioning structure 2, the needle tool is convenient to use, thereby reducing the difficulty of treatment work, and effectively improving the treatment accuracy, and improving the positioning accuracy, when in actual use, when the needle tool punctures a pulmonary nodule of a patient, the outer needle sleeve 101 is inserted into the patient at a suitable position of the patient through the needle head 105, the distance that the outer needle sleeve 101 is inserted into the patient is positioned through the first scale 201, and after the distance is suitable, the inner movable tube 103 is controlled to drive the barb 108 to approach the patient nodule for treatment, the position of the barb 108 in the body of the patient is determined by matching the second dial gauge 203 on the inner movable cylinder 103 with the positioning ring 202, so that the treatment work is carried out, the needle tool is convenient to use, the difficulty of the treatment work is reduced, the treatment precision is effectively improved, and the positioning precision is improved.

The working principle is as follows: during the use, when this needle utensil is carrying out the pulmonary nodule puncture to patient, pierce patient internal with outer needle sleeve 101 through syringe needle 105 in the suitable position of patient, fix a position outer needle sleeve 101 through first graduation apparatus 201 and pierce patient internal distance, after suitable distance, make interior movable cylinder 103 make interior pole 107 drive barb 108 and be close patient's tubercle department and treat through controlling, second graduation apparatus 203 cooperation holding ring 202 on the interior movable cylinder 103 confirms barb 108 in patient internal position, treat the work, make this needle utensil use comparatively convenient, thereby reduced the degree of difficulty of treatment work, simultaneously effectual treatment precision that has improved, the location precision has been improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A needle ware for pulmonary nodule puncture location, includes needle ware main part (1), its characterized in that: the needle device comprises an outer needle sleeve (101), an outer needle sleeve (101) one end fixedly connected with needle head (105), a through hole (106) is arranged inside the outer needle sleeve (101), one end of the outer needle sleeve (101) far away from the needle head (105) is provided with a connecting end (102), an inner movable barrel (103) is connected inside the through hole (106) on one side of the outer needle sleeve (101) in a sliding manner, one end of the inner movable barrel (103) far away from the needle head (105) is fixedly provided with a guide wire (104), one end of the inner movable barrel (103) far away from the guide wire (104) is fixedly provided with an inner rod (107), one end of the inner movable barrel (103) far away from the inner movable barrel (107) is fixedly provided with a barb (108), and the outer needle sleeve (101) and the outer side of the inner movable barrel (103) are provided with a positioning structure (2) capable of effectively improving positioning accuracy.

2. The needle set for pulmonary nodule puncture positioning of claim 1, wherein: connect end (102) including keeping away from positioning seat (1021) of syringe needle (105) one side through interface (1022) fixed connection in outer needle sleeve (101), one side fixed mounting that outer needle sleeve (101) were kept away from in positioning seat (1021) has fixed lantern ring (1024), fixed lantern ring (1024) outside has two card ears (1023) along week length direction fixed mounting, one side fixed mounting that positioning seat (1021) were kept away from in fixed lantern ring (1024) has connecting cylinder (1025), one side fixed mounting that fixed lantern ring (1024) were kept away from in connecting cylinder (1025) has threaded barrel (1026).

3. A needle set for pulmonary nodule puncture location as claimed in claim 2, wherein: and one sides of the positioning seat (1021), the connecting barrel (1025) and the threaded barrel (1026) are provided with matching holes matched with the through hole (106).

4. The needle set for pulmonary nodule puncture positioning of claim 1, wherein: the positioning structure (2) comprises a first dial gauge (201) arranged on the outer side of the outer needle sleeve (101), a second dial gauge (203) is arranged on the outer side of the inner movable cylinder (103), and a positioning ring (202) is arranged on the outer side of the inner movable cylinder (103).

5. The needle set for pulmonary nodule puncture positioning of claim 4, wherein: the positioning ring (202) is arranged outside the inner movable cylinder (103) in a sliding mode.

6. A needle set for pulmonary nodule puncture location as recited in claim 1, wherein: the barb (108), the inner rod (107) and the inner movable barrel (103) are movably arranged in the through hole (106).