CN204971503U - Pleural cavity pjncture needle - Google Patents

Pleural cavity pjncture needle Download PDF

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Publication number
CN204971503U
CN204971503U CN201520763565.5U CN201520763565U CN204971503U CN 204971503 U CN204971503 U CN 204971503U CN 201520763565 U CN201520763565 U CN 201520763565U CN 204971503 U CN204971503 U CN 204971503U
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CN
China
Prior art keywords
hole
cavity
main pipe
corrugated tubing
closing member
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Expired - Fee Related
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CN201520763565.5U
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Chinese (zh)
Inventor
贾萍
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Individual
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Individual
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Priority to CN201520763565.5U priority Critical patent/CN204971503U/en
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Publication of CN204971503U publication Critical patent/CN204971503U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a pleural cavity pjncture needle belongs to medical instrument technical field, its characterized in that: including piercing depth and rotary device, piercing depth include nook closing member and screwed pipe, rotary device including being responsible for the body, the main tank body, worm wheel and worm. By comparing with the prior art, the loader axle automatic supporting device has advantages of simple structure and reasonable design.

Description

A kind of pleura cavity puncture needle
Technical field
This utility model relates to a kind of puncture needle, particularly a kind of puncture needle being applicable to puncture to pleural space.
Background technology
Thoracentesis, being called for short breast and wearing, referring to the patient to there being hydrothorax (or pneumothorax), extracted a kind of technology of hydrops or gas in order to the needs of Diagnosis and Treat disease by thoracentesis.And thoracentesis needs to use puncture needle to treat, when the fat of patient is blocked up or puncture position is darker, use existing puncture needle in piercing process, often due to puncture needle discontinuity, easily cause nook closing member to bend or fracture, cause unnecessary misery and trouble to patient.
Utility model content
Technical assignment of the present utility model is for above the deficiencies in the prior art, provides a kind of puncture needle being applicable to puncture to pleural space.
The technical scheme in the invention for solving the technical problem is: a kind of pleura cavity puncture needle, is characterized in that: comprise sting device and rotary apparatus; Described sting device comprises nook closing member and corrugated tubing, and described corrugated tubing is provided with a cavity, and one end of corrugated tubing is provided with a notch cuttype through hole, and the other end is syringe adapter; The notch cuttype through hole of described corrugated tubing communicates with cavity; The notch cuttype through hole of corrugated tubing is passed in one end of described nook closing member, and the other end of nook closing member is provided with the shaft shoulder; The large diameter hole place of the notch cuttype through hole of described corrugated tubing is provided with a sealing ring; Be provided with an inner core in the through hole of described nook closing member, one end of inner core is connected with inner core cap, and described inner core cap sleeve is in one end of corrugated tubing; Described rotary apparatus comprises main pipe, main box, worm gear and worm screw; Described main pipe is provided with a cavity, and one end of main pipe's cavity is provided with a through hole, other end opening and be provided with a flap; The inwall of the cavity of described main pipe is respectively equipped with holddown groove and slideway, in the holddown groove of described main pipe, tooth bar is installed; Described main box is embedded in the cavity of main pipe, and main box is provided with a cavity, and one end of main box cavity is provided with a through hole, and the sidewall of main box is provided with through hole; The two ends of described worm screw and the two side of main box, for being rotatably connected, are provided with a fixed mount in the cavity of main box, described fixed mount and worm gear are for being rotatably connected, and described worm and wheel is meshed; Described worm screw is connected with the centre bore of gear, and one end of described gear is meshed with the tooth bar in the holddown groove of main pipe through the through hole on main box sidewall; Described nook closing member is fixedly connected with worm gear through the centre bore of worm gear; One end of described main pipe's opening is connected with a fixed cap, and described fixed cap is provided with the pilot hole corresponding with main pipe's slideway; One end of guide post is embedded in the slideway of main pipe through the pilot hole of fixed cap and is connected with main box, and the other end is connected with pressing plate; Described fixed cap is provided with a through hole, and one end of described corrugated tubing is fixedly connected with fixed cap through the through hole of fixed cap.
One end that above-mentioned main pipe is provided with through hole is provided with a taper backplate.
The outer wall of above-mentioned corrugated tubing is provided with screw thread, and spacing ring is provided with screwed hole, and spacing ring is threaded with corrugated tubing.
Compared with prior art, this utility model has following outstanding beneficial effect:
1, this utility model has spacing ring, can limit the penetration length of nook closing member, prevents nook closing member from puncturing long, damages intrathoracic internal organs;
2, nook closing member of the present utility model is in piercing process, can puncture on rotation limit, limit, nook closing member is pierced through and is more prone to into bone marrow, and in use, nook closing member is not flexible or rupture.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is front view of the present utility model.
Fig. 3 is the structural representation of main box body part.
Detailed description of the invention
Below in conjunction with specification drawings and specific embodiments, this utility model is further illustrated.
As shown in Figure 1,2 and 3, this utility model comprises sting device and rotary apparatus.
Described sting device comprises nook closing member 11 and corrugated tubing 5, and described corrugated tubing 5 is provided with a cavity, and one end of corrugated tubing 5 is provided with a notch cuttype through hole, and the other end is syringe adapter, and described syringe adapter is in order to be connected with syringe.The notch cuttype through hole of described corrugated tubing 5 communicates with cavity.The notch cuttype through hole of corrugated tubing 5 is passed in one end of described nook closing member 11, and the other end of nook closing member 11 is provided with the shaft shoulder, the step place that the notch cuttype through hole that the described shaft shoulder can be stuck in corrugated tubing 5 communicates with cavity, prevents nook closing member 11 from deviating from from the cavity of corrugated tubing 5.The large diameter hole place of the notch cuttype through hole of described corrugated tubing 5 is provided with a sealing ring, and described sealing ring can prevent liquid from flowing out from corrugated tubing 5 and nook closing member 11 junction.
Be provided with an inner core 10 in the through hole of described nook closing member 11, described inner core 10 can be extracted out from the through hole of nook closing member 11, and one end of inner core 10 is connected with inner core cap 9, and described inner core cap 9 is enclosed within one end of corrugated tubing 5.
Described rotary apparatus comprises main pipe 2, main box 13, worm gear 17 and worm screw 16.Described main pipe 2 is provided with a cavity, and one end of main pipe 2 cavity is provided with a through hole, other end opening and be provided with a flap 3, so that this device of the convenient operation of medical personnel.The inwall of the cavity of described main pipe 2 is respectively equipped with holddown groove and slideway, in the holddown groove of described main pipe 2, tooth bar 12 is installed.Described main box 13 is embedded in the cavity of main pipe 2, and main box 13 is provided with a cavity, and one end of main box 13 cavity is provided with a through hole, and the sidewall of main box 13 is provided with through hole.The two ends of described worm screw 16 and the two side of main box 13, for being rotatably connected, are provided with a fixed mount 18 in the cavity of main box 13, described fixed mount 18 is with worm gear 17 for being rotatably connected, and described worm screw 16 is meshed with worm gear 17.Described worm screw 16 is connected with the centre bore of gear 15, and one end of described gear 15 is meshed with the tooth bar 12 in the holddown groove of main pipe 2 through the through hole on main box 13 sidewall.Described nook closing member 11 is fixedly connected with worm gear 17 through the centre bore of worm gear 17.
In prioritization scheme, one end that described main pipe 2 is provided with through hole is provided with a taper backplate 1, and the object of taper backplate 1 is to reduce local skin pressure.
One end of described main pipe 2 opening is connected with a fixed cap 4, and described fixed cap 4 is provided with the pilot hole corresponding with main pipe 2 slideway.One end of guide post 6 is embedded in the slideway of main pipe 2 through the pilot hole of fixed cap 4 and is connected with main box 13, and the other end is connected with pressing plate 8.Described fixed cap 4 is provided with a through hole, and one end of described corrugated tubing 5 is fixedly connected with fixed cap 4 through the through hole of fixed cap 4.When downward pressing pressing plate 8, pressing plate 8 drives main box 13 to move along the cavity of main pipe 2 by guide post 6, and because gear 15 is meshed with tooth bar 12, gear 15 drives worm screw 16 to rotate, and worm screw 16 drives worm gear 17 to rotate, thus drives nook closing member 11 to rotate.While nook closing member 11 rotates, pressing plate 8 drives main box 13 to move downward by guide post 6, and main box 13 drives worm gear 17 to move downward by fixed mount 18, and worm gear 17 drives nook closing member 11 to move downward, thus rotation limit, nook closing member 11 limit can be made to move downward.
In prioritization scheme, the outer wall of described corrugated tubing 5 is provided with screw thread, spacing ring 7 is provided with screwed hole, described spacing ring 7 is threaded with corrugated tubing 5, the position of spacing ring 7 on corrugated tubing 5 can be regulated by rotary stopper ring 7, the distance that pressing plate 8 moves downward can be limited, thus the penetration length of nook closing member can be limited.
Operating process is as follows: when using this utility model, one end of this apparatus, with taper backplate 1 is withstood on the position of needs of patients puncture, pressing pressing plate 8, pressing plate 8 drives main box 13 to move along the cavity of main pipe 2 by guide post 6, because gear 15 is meshed with tooth bar 12, gear 15 drives worm screw 16 to rotate, and worm screw 16 drives worm gear 17 to rotate, thus drives nook closing member 11 to rotate.While nook closing member 11 rotates, pressing plate 8 drives main box 13 to move downward by guide post 6, main box 13 drives worm gear 17 to move downward by fixed mount 18, worm gear 17 drives nook closing member 11 to move downward, thus the through hole that rotation limit, nook closing member 11 limit can be made to move downward through main pipe 2 one end thrusts in patient body, when nook closing member 11 breakthrough enters puncture position, rotary inner core cap 9, inner core 10 is extracted out from the cavity of nook closing member 11, uses syringe to connect syringe adapter and required liquid is extracted out.Such nook closing member 11 thrusts in patient body and is more prone to, and in the process of thrusting, nook closing member 11 not easily bends or ruptures.
It should be noted that; particular of the present utility model has been described in detail this utility model; for a person skilled in the art, the various apparent change carried out it when not deviating from spirit and scope of the present utility model is all within protection domain of the present utility model.

Claims (3)

1. a pleura cavity puncture needle, is characterized in that: comprise sting device and rotary apparatus; Described sting device comprises nook closing member and corrugated tubing, and described corrugated tubing is provided with a cavity, and one end of corrugated tubing is provided with a notch cuttype through hole, and the other end is syringe adapter; The notch cuttype through hole of described corrugated tubing communicates with cavity; The notch cuttype through hole of corrugated tubing is passed in one end of described nook closing member, and the other end of nook closing member is provided with the shaft shoulder; The large diameter hole place of the notch cuttype through hole of described corrugated tubing is provided with a sealing ring; Be provided with an inner core in the through hole of described nook closing member, one end of inner core is connected with inner core cap, and described inner core cap sleeve is in one end of corrugated tubing; Described rotary apparatus comprises main pipe, main box, worm gear and worm screw; Described main pipe is provided with a cavity, and one end of main pipe's cavity is provided with a through hole, other end opening and be provided with a flap; The inwall of the cavity of described main pipe is respectively equipped with holddown groove and slideway, in the holddown groove of described main pipe, tooth bar is installed; Described main box is embedded in the cavity of main pipe, and main box is provided with a cavity, and one end of main box cavity is provided with a through hole, and the sidewall of main box is provided with through hole; The two ends of described worm screw and the two side of main box, for being rotatably connected, are provided with a fixed mount in the cavity of main box, described fixed mount and worm gear are for being rotatably connected, and described worm and wheel is meshed; Described worm screw is connected with the centre bore of gear, and one end of described gear is meshed with the tooth bar in the holddown groove of main pipe through the through hole on main box sidewall; Described nook closing member is fixedly connected with worm gear through the centre bore of worm gear; One end of described main pipe's opening is connected with a fixed cap, and described fixed cap is provided with the pilot hole corresponding with main pipe's slideway; One end of guide post is embedded in the slideway of main pipe through the pilot hole of fixed cap and is connected with main box, and the other end is connected with pressing plate; Described fixed cap is provided with a through hole, and one end of described corrugated tubing is fixedly connected with fixed cap through the through hole of fixed cap.
2. a kind of pleura cavity puncture needle according to claim 1, is characterized in that: one end that described main pipe is provided with through hole is provided with a taper backplate.
3. a kind of pleura cavity puncture needle according to claim 1, it is characterized in that: the outer wall of described corrugated tubing is provided with screw thread, and spacing ring is provided with screwed hole, described spacing ring is threaded with corrugated tubing.
CN201520763565.5U 2015-09-30 2015-09-30 Pleural cavity pjncture needle Expired - Fee Related CN204971503U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520763565.5U CN204971503U (en) 2015-09-30 2015-09-30 Pleural cavity pjncture needle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520763565.5U CN204971503U (en) 2015-09-30 2015-09-30 Pleural cavity pjncture needle

Publications (1)

Publication Number Publication Date
CN204971503U true CN204971503U (en) 2016-01-20

Family

ID=55105938

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520763565.5U Expired - Fee Related CN204971503U (en) 2015-09-30 2015-09-30 Pleural cavity pjncture needle

Country Status (1)

Country Link
CN (1) CN204971503U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107296994A (en) * 2017-07-03 2017-10-27 北京大学深圳医院 Anti- infection enema syringe
CN110215265A (en) * 2019-06-13 2019-09-10 中国人民解放军陆军军医大学第二附属医院 Canula puncture needle is used in a kind of operation of Laparoscopic Liver Resection
CN113288356A (en) * 2021-05-20 2021-08-24 河北益合科技发展有限公司 Central venous puncture device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107296994A (en) * 2017-07-03 2017-10-27 北京大学深圳医院 Anti- infection enema syringe
CN110215265A (en) * 2019-06-13 2019-09-10 中国人民解放军陆军军医大学第二附属医院 Canula puncture needle is used in a kind of operation of Laparoscopic Liver Resection
CN113288356A (en) * 2021-05-20 2021-08-24 河北益合科技发展有限公司 Central venous puncture device
CN113288356B (en) * 2021-05-20 2022-07-08 河北益合科技发展有限公司 Central venous puncture device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160120

Termination date: 20170930

CF01 Termination of patent right due to non-payment of annual fee