CN213759819U

CN213759819U - Liquid pumping device for neuroendoscopy operation

Info

Publication number: CN213759819U
Application number: CN202022634941.4U
Authority: CN
Inventors: 姚勇; 王志成; 朱建宇; 李晓旭; 刘杰; 张毅; 郑光耀; 孙旭
Original assignee: Peking Union Medical College Hospital Chinese Academy of Medical Sciences
Current assignee: Peking Union Medical College Hospital Chinese Academy of Medical Sciences
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-07-23
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a drawing liquid device for neuroendoscopy surgery, include the endoscope pipe and be located the intraductal working channel of endoscope, one side of working channel just is located the intraductal drawing liquid passageway that is equipped with of endoscope, be equipped with rather than assorted syringe needle in the drawing liquid passageway, one side of syringe needle extends to the drawing liquid passageway is equipped with the cylinder outward, the cylinder is close to one side of syringe needle is equipped with connects the drawing liquid seat, connect the drawing liquid seat with the syringe needle is connected, the symmetry is equipped with rather than assorted piston one and piston two in the cylinder, piston one is kept away from one side of piston two be equipped with the inconsistent jam block of drawing liquid passageway. Has the advantages that: can obtain the sample of pathological change position, be favorable to clearly and definitely pathological change nature, through the observation to the capacity sign of stock solution box when drawing liquid, can control the liquid volume of taking out patient, and connect the drawing liquid seat and can improve the gas tightness of syringe needle and cylinder junction to a certain extent.

Description

Liquid pumping device for neuroendoscopy operation

Technical Field

The utility model relates to the technical field of medical equipment, particularly, relate to a drawing liquid device for neuroendoscopy operation.

Background

Neuroendoscopy is a tool for observation and operation in endoscopic neurosurgery. As early as 1806, Philipp Bozzini invented endoscopes and gradually became available for clinical use in multiple specialties. In 1918, Dandy observed the ventricles using a cystoscope and named the endoscope "neuroendoscope".

Among the prior art, generally utilize neuroendoscope to go into through cranium brain drilling and observe and operate in the brain, however, to suspicious pathological change tissue such as intracranial cyst, because its chemical property is different, the mode of operation is different, and the consequence that leads to is also different, and in use is difficult to measure the volume of taking out liquid, may cause to take out the hydrops too much, causes the secondary injury to patient, relies on the evidence of image science alone to make pathological diagnosis, often needs to undertake great risk.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides a draw liquid device for neuroendoscopy operation to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

a liquid pumping device for neuro-endoscopic surgery comprises an endoscope tube and a working channel positioned in the endoscope tube, a liquid pumping channel is arranged at one side of the working channel and in the endoscope tube, a needle head matched with the liquid pumping channel is arranged in the liquid pumping channel, a syringe is arranged outside the liquid extracting channel from one side of the needle head, a connecting liquid extracting seat is arranged at one side of the syringe close to the needle head, the connecting liquid-extracting seat is connected with the needle head, a first piston and a second piston which are matched with the needle head are symmetrically arranged in the needle cylinder, one side of the first piston far away from the second piston is provided with a blocking block which is abutted against the liquid extracting channel, one side of the second piston, which is far away from the first piston, is provided with a push-pull rod extending out of the needle cylinder, the bottom end of the needle cylinder is provided with a liquid storage box matched with the needle cylinder, and the liquid storage box is connected with the needle cylinder through threads.

Preferably, the liquid storage box is made of transparent materials, and scale marks are arranged on one side of the liquid storage box.

Preferably, one side of the push-pull rod is provided with a pull ring, and a rubber ring matched with the pull ring is sleeved on the pull ring.

Preferably, one side of the needle head, which is far away from the connection liquid suction seat, is provided with a liquid suction needle head, and the liquid suction needle head is of a bevel structure.

Preferably, one side of the needle cylinder, which is far away from the connection liquid extraction seat, is sleeved with a fin ear matched with the needle cylinder.

The utility model has the advantages that: can obtain the sample of pathological change position, be favorable to clearly and definitely pathological change nature, through the observation to the capacity sign of stock solution box when drawing liquid, can control the liquid volume of taking out patient, and connect the drawing liquid seat and can improve the gas tightness of syringe needle and cylinder junction to a certain extent.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an infusion device for neuroendoscopic surgery according to an embodiment of the present invention;

fig. 2 is a second schematic structural diagram of a fluid pumping device for neuroendoscopic surgery according to an embodiment of the present invention.

In the figure:

1. an endoscope tube; 2. a working channel; 3. a fluid extraction channel; 4. a needle head; 5. a needle cylinder; 6. connecting a liquid pumping seat; 7. a first piston; 8. a second piston; 9. a plugging block; 10. a push-pull rod; 11. a liquid storage box; 12. a thread; 13. scale lines; 14. a pull ring; 15. a liquid suction needle head; 16. and (4) a fin ear.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to an embodiment of the present invention, a fluid extraction device for neuroendoscopic surgery is provided.

The first embodiment;

as shown in fig. 1-2, the fluid-extracting device for neuro-endoscopic surgery according to the embodiment of the present invention includes an endoscope tube 1 and a working channel 2 located inside the endoscope tube 1, a fluid-extracting channel 3 is located inside the endoscope tube 1 and on one side of the working channel 2, a needle 4 matched with the fluid-extracting channel 3 is arranged inside the fluid-extracting channel 3, a syringe 5 is arranged outside the fluid-extracting channel 3 and on one side of the syringe 4 close to the needle 4, a connecting fluid-extracting seat 6 is arranged on one side of the syringe 5 close to the needle 4, the connecting fluid-extracting seat 6 is connected with the needle 4, a first piston 7 and a second piston 8 matched with the syringe 5 are symmetrically arranged inside the syringe 5, a blocking block 9 abutting against the fluid-extracting channel 3 is arranged on one side of the first piston 7 away from the second piston 8, a push-pull rod 10 extending outside the syringe 5 is arranged on one side of the second piston 8 away from the first piston 7, the bottom of cylinder 5 is equipped with rather than assorted stock solution box 11, stock solution box 11 passes through screw thread 12, with cylinder 5 is connected.

Example two;

as shown in fig. 1-2, the liquid storage box 11 is made of transparent material, scale marks 13 are arranged on one side of the liquid storage box 11, a pull ring 14 is arranged on one side of the push-pull rod 10, a rubber ring matched with the pull ring 14 is sleeved on the pull ring 14, a liquid suction needle 15 is arranged on one side of the needle 4 away from the connection liquid suction seat 6, the liquid suction needle 15 is of a bevel structure, and a fin ear 16 matched with the needle cylinder 5 is sleeved on one side of the needle cylinder 5 away from the connection liquid suction seat 6. As can be seen from the above-described design, the pull-push rod 10 is easily pulled by the user due to the design of the pull ring 14.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, after the endoscope tube 1 enters intracranial tissues, when suspicious pathological tissues are encountered, the needle head 4 penetrates through the liquid pumping channel 3, the needle head 4 can be pierced into a cyst, then the push-pull rod 10 is pulled to suck cyst contents outwards, the volume of the sucked cyst contents can be controlled by observing the scale mark 13 at the front end of the liquid storage box 11 during liquid pumping, the cyst contents are pumped out of the liquid storage box 11, and sampling is carried out to obtain substantial evidence.

To sum up, with the aid of the above technical scheme of the utility model, can gain the sample of pathological change position, be favorable to making clear the pathological change nature, through the observation to the capacity sign of stock solution box 11 when drawing liquid, can control the liquid volume of taking out patient, and connect drawing liquid seat 6 and can improve the gas tightness of syringe needle 4 and cylinder 5 junction to a certain extent.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The liquid pumping device for the neuroendoscopy surgery is characterized by comprising an endoscope tube (1) and a working channel (2) positioned in the endoscope tube (1), wherein a liquid pumping channel (3) is arranged on one side of the working channel (2) and positioned in the endoscope tube (1), a needle (4) matched with the liquid pumping channel (3) is arranged in the liquid pumping channel (3), a needle cylinder (5) is arranged outside the liquid pumping channel (3) in a manner of extending one side of the needle (4), a connecting liquid pumping seat (6) is arranged on one side of the needle cylinder (5) close to the needle (4), the connecting liquid pumping seat (6) is connected with the needle (4), a first piston (7) and a second piston (8) matched with the first piston are symmetrically arranged in the needle cylinder (5), a blocking block (9) which is abutted against the liquid pumping channel (3) is arranged on one side of the first piston (7) far away from the second piston (8), one side of the second piston (8) far away from the first piston (7) is provided with a push-pull rod (10) extending out of the needle cylinder (5), the bottom end of the needle cylinder (5) is provided with a liquid storage box (11) matched with the needle cylinder, and the liquid storage box (11) is connected with the needle cylinder (5) through threads (12).

2. The fluid pumping device for neuroendoscopic surgery as defined in claim 1, wherein the reservoir (11) is made of transparent material, and one side of the reservoir (11) is provided with scale marks (13).

3. The fluid pumping device for neuroendoscopic surgery as defined in claim 1, wherein one side of the push-pull rod (10) is provided with a pull ring (14), and the pull ring (14) is sleeved with a matching rubber ring.

4. An infusion device for neuroendoscopic surgery according to claim 1, characterized in that the side of the needle (4) remote from the connection infusion stand (6) is provided with an infusion needle (15), the infusion needle (15) being of a bevelled construction.

5. The fluid-pumping device for neuroendoscopic surgery according to claim 1, characterized in that the side of the needle cylinder (5) far away from the connecting fluid-pumping seat (6) is sleeved with a matched fin ear (16).