CN213964548U

CN213964548U - Catheter device for neurosurgery

Info

Publication number: CN213964548U
Application number: CN202021418507.6U
Authority: CN
Inventors: 王�琦; 王相懿
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-08-17
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses a catheter device for neurosurgery, including the urceolus, the urceolus includes the pipe urceolus, the bottom fixed connection case lid of pipe urceolus, the bottom fixed connection thread circle of case lid, and the outer wall of thread circle closes soon and is connected with hydrops case. The utility model discloses in, through the fixed connection pipe body in the pipe urceolus, and at the internal sliding connection first body of rod of pipe, and the mode of the internal sliding connection second body of rod of first body of rod makes two bodies of rod operate respectively, solve the problem that general pipe can not the secondary drainage, in addition at the bottom fixed connection weeping box of the pipe body, the hydrops case is equipped with in the outside of weeping box, make the hydrops that the drainage goes out in time accomodate, do not influence the operation of performing the operation, after the fact the hydrops that the drainage goes out can be handled to the hydrops case of unscrewing, and convenient for operation saves time.

Description

Catheter device for neurosurgery

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to catheter device for neurosurgery.

Background

During neurosurgical procedures, neurosurgical catheter devices are often required. The hydrops is difficult for discharging in operation process, can influence the operation process, is unfavorable for patient's healthy, and at the in-process of hydrops extraction, takes place the condition of jam often, and traditional catheter arrangement need demolish the device, then lays once more, not only uses inconveniently, simultaneously, has increased patient's painful sense.

SUMMERY OF THE UTILITY MODEL

In order to overcome foretell technical problem, an object of the utility model is to provide a catheter device for neurosurgery, through the fixed connection pipe body in the pipe urceolus, and at the internal sliding connection first body of rod of pipe, and the mode of the internal sliding connection second body of rod makes two bodies of rod operate respectively in the first body of rod, solve the problem that general pipe can not the secondary drainage, in addition at the bottom fixed connection weeping box of the pipe body, the outside at the weeping box is equipped with the hydrops case, make the hydrops of drainage play in time accomodate, do not influence the operation, after turn on the hydrops case and can handle the hydrops of drainage play, high durability and convenient operation, and the time is saved.

The purpose of the utility model can be realized by the following technical scheme:

a catheter device for neurosurgery comprises an outer cylinder, wherein the outer cylinder comprises a catheter outer cylinder, the bottom end of the catheter outer cylinder is fixedly connected with a storage box cover, a second circular through hole is formed in the center of the top end of the storage box cover, a threaded ring is fixedly connected to the bottom end of the storage box cover, an accumulated liquid storage box is connected to the outer wall of the threaded ring in a screwing mode, a third circular through hole is formed in the center of the bottom end of the accumulated liquid storage box, catheter bodies are fixedly connected to the inner walls of the second circular through hole and the third circular through hole, a first circular through hole is formed in the center of the top end of the catheter outer cylinder, and a catheter mechanism is fixedly connected into the first circular through hole;

the catheter mechanism comprises a catheter body, the top end of the catheter body is fixedly connected with the inner side wall of the first circular through hole, and the central position of the top end of the catheter body is fixedly connected with a catheter needle, the bottom end of the catheter body is fixedly connected with a liquid leakage box, the inner side of the catheter body is provided with a piston mechanism, the piston mechanism comprises a first piston, the inner wall of the catheter body is connected with the first piston in a sliding way, the center positions of the top end and the bottom end of the first piston are both provided with an embedding hole, one end of a first rod body is fixedly connected in the embedding hole, the other end of the first rod body is fixedly connected with a first stop block, the first rod body is of a circular tube-shaped structure, and a second rod body is movably connected in the first rod body, a second stop block is fixedly connected at the bottom end of the second rod body, and a second piston is fixedly connected at one side of the first piston, which is positioned at one end of the second rod body.

Further, the method comprises the following steps: the catheter outer cylinder is made of colorless transparent Polycarbonate (PC), so that effusion which is conveniently sucked is visual.

Further, the method comprises the following steps: the sealing structure is arranged between the outer catheter barrel and the box cover of the storage box, and through holes with the diameter of the catheter body are formed in the center positions of the top end and the bottom end of the box cover of the storage box, so that accumulated liquid sucked out is prevented from flowing into the catheter mechanism and causing pollution.

Further, the method comprises the following steps: the upper end of the liquid leakage box is in a round platform shape, the lower end of the liquid leakage box is cylindrical, and a plurality of round holes are uniformly formed in the lower end of the liquid leakage box, so that the sucked-out accumulated liquid can completely flow into the accumulated liquid storage box.

Further, the method comprises the following steps: the length of the second rod body is twice that of the first rod body, so that the second rod body can be pushed back to the original position after the accumulated liquid is sucked out, and the air in the catheter body is discharged.

Further, the method comprises the following steps: the utility model discloses a pipe, including pipe urceolus, pipe body, left stripper plate and right stripper plate, the screw rod hole has been seted up on the lateral wall of pipe urceolus, two long lateral walls of the pipe body swing joint respectively have left stripper plate and right stripper plate, one side central point of left stripper plate puts the department and sets up threaded hole, and the top of left stripper plate and the equal fixedly connected with connecting block of bottom central point department of putting, the inner wall fixed connection connecting block of pipe urceolus, right stripper plate closes soon in the corresponding position department of threaded hole and is connected with the screw rod, and the screw rod is located the inboard in screw rod hole.

The utility model has the advantages that:

1. through the fixed connection pipe body in the pipe urceolus, and at the internal sliding connection first body of rod of pipe, and the mode of the sliding connection second body of rod makes two bodies of rod operate respectively in first body of rod, solve the problem that general pipe can not the secondary drainage, in addition at the bottom fixed connection weeping box of the pipe body, the outside at weeping box is equipped with the hydrops case, make the hydrops of drainage play in time accomodate, do not influence the operation of performing the operation, the hydrops that the drainage goes out can be handled to the hydrops case of unscrewing afterwards, and convenient for operation and time saving.

Drawings

The present invention will be further described with reference to the accompanying drawings.

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

FIG. 2 is a schematic view of the structure of the middle outer barrel of the present invention;

FIG. 3 is a schematic view of the internal structure of the hydrops storage box of the present invention;

FIG. 4 is a schematic structural view of a catheter mechanism according to the present invention;

fig. 5 is an exploded view of the middle guide tube mechanism and the piston mechanism of the present invention;

fig. 6 is a schematic structural view of the catheter outer barrel of the present invention.

In the figure: 100. an outer cylinder; 110. a catheter outer barrel; 111. a first circular through hole; 112. a screw hole; 120. a box cover of the storage box; 121. a thread ring; 122. a second circular through hole; 130. a liquid accumulation storage box; 131. a third circular through hole; 200. a conduit mechanism; 210. a catheter body; 211. A catheter needle; 220. a liquid leakage box; 221. a circular hole; 230. a left stripper plate; 231. a threaded hole; 240. connecting blocks; 250. a right stripper plate; 260. a screw; 300. a piston mechanism; 310. a first rod body; 311. a first stopper; 320. a first piston; 330. a second rod body; 331. A second stopper; 340. a second piston.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 6, a catheter device for neurosurgery comprises an outer barrel 100, wherein the outer barrel 100 comprises a catheter outer barrel 110, the bottom end of the catheter outer barrel 110 is fixedly connected with a storage box cover 120, a second circular through hole 122 is formed in the center of the top end of the storage box cover 120, the bottom end of the storage box cover 120 is fixedly connected with a threaded ring 121, the outer wall of the threaded ring 121 is screwed and connected with an effusion storage box 130, a third circular through hole 131 is formed in the center of the bottom end of the effusion storage box 130, the inner walls of the second circular through hole 122 and the third circular through hole 131 are fixedly connected with a catheter body 210, a first circular through hole 111 is formed in the center of the top end of the catheter outer barrel 110, a catheter mechanism 200 is fixedly connected in the first circular through hole 111, and fluid can be conveniently pumped by using the catheter mechanism 200;

the catheter mechanism 200 comprises a catheter body 210, the top end of the catheter body 210 is fixedly connected with the inner side wall of the first circular through hole 111, a catheter needle 211 is fixedly connected at the center position of the top end of the catheter body 210, a leakage box 220 is fixedly connected at the bottom end of the catheter body 210, a piston mechanism 300 is arranged at the inner side of the catheter body 210, the piston mechanism 300 comprises a first piston 320, a first piston 320 is slidably connected with the inner wall of the catheter body 210, embedding holes are respectively formed at the center positions of the top end and the bottom end of the first piston 320, one end of a first rod body 310 is fixedly connected in each embedding hole, the other end of the first rod body 310 is fixedly connected with a first blocking block 311, the first rod body 310 is of a circular tube-shaped structure, a second rod body 330 is movably connected in the first rod body 310, a second blocking block 331 is fixedly connected at the bottom end of the second rod body 330, and one end of the second rod body 330 is fixedly connected with a second piston 340 at one side of the first piston 320, through the cooperation of first body of rod 310 and second body of rod 330, be convenient for take out the liquid of catheter body 210 inside, it is convenient to use.

Catheter urceolus 110 is colorless transparent polycarbonate PC material, the hydrops that conveniently absorbs is visual, be seal structure between catheter urceolus 110 and the case lid 120, the central point of the top of case lid 120 and bottom puts all has the through-hole of a catheter body 210 diameter size, prevent that the hydrops that take out from flowing into among the pipe mechanism 200, cause the pollution, weeping box 220 upper end is the round platform form, the lower extreme is cylindric, and a plurality of round holes 221 have evenly been seted up to the lower extreme of weeping box 220, make the hydrops of suction can all flow into in hydrops case 130, the length of the second body of rod 330 is the twice of first body of rod 310 length, the second body of rod 330 pushes back the normal position behind the hydrops of being convenient for, the air in the discharge catheter body 210.

Screw hole 112 has been seted up on the lateral wall of pipe urceolus 110, two long lateral walls of pipe body 210 swing joint have left stripper plate 230 and right stripper plate 250 respectively, threaded hole 231 has been seted up to one side central point department of stripper plate 230, and the equal fixedly connected with connecting block 240 of top and bottom central point department of stripper plate 230 of a left side, inner wall fixed connection connecting block 240 of pipe urceolus 110, right stripper plate 250 closes soon in the corresponding position department of threaded hole 231 and is connected with screw rod 260, and screw rod 260 is located the inboard of screw hole 112, utilize screw rod 260 to screw in threaded hole 231, pipe body 210 is in encapsulated situation under left stripper plate 230 and the extrusion of right stripper plate 250 this moment, prevent that the air from getting into.

The outer diameter of the second piston 340 is larger than the inner diameter of the first rod 310, and a return spring is fixedly connected between the second stopper 331 and the first stopper 311, and the return spring is used for enabling the first piston 320 to be attached to the second piston 340.

The working principle is as follows: when the catheter needle 211 is used, the catheter needle 211 is inserted into a patient, the first rod body 310 and the second rod body 330 are pulled, the second piston 340 on the second rod body 330 and the first piston 320 on the first rod body 310 slide in the catheter body 210, the volume of only a small part of gas in the catheter body 210 is increased, the gas pressure is reduced, the external atmospheric pressure is unchanged, the accumulated liquid is pressed into the catheter body 210 by the atmospheric pressure, when the first piston 320 leaves the position corresponding to the connecting block 240, the screw rod 260 is screwed into the threaded hole 231, the catheter body 210 is in a sealing state under the extrusion of the left extrusion plate 230 and the right extrusion plate 250 to prevent air from entering, when the first piston 320 moves to the bottom end of the leakage box 220, the air enters the catheter body 210 from the circular hole 221, and the accumulated liquid flows into the accumulated liquid storage box 130 along the circular hole 221;

if secondary drainage is needed, the second rod body 330 is pushed back, when the second piston 340 reaches a position corresponding to the connecting block 240, the screw 260 is unscrewed, so that the left extrusion plate 230 and the right extrusion plate 250 are opened, then the second piston 340 is pushed back to the original position, air in the catheter body 210 is discharged, then the first rod body 310 is pushed back, the first rod body 310 drives the first piston 320 to return to the original position, and the secondary drainage can be completed by repeating the drainage steps.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.

Claims

1. A catheter device for neurosurgery, comprising an outer barrel (100), characterized in that said outer barrel (100) comprises a catheter outer barrel (110), the bottom end of the catheter outer cylinder (110) is fixedly connected with a storage box cover (120), a second circular through hole (122) is formed in the center of the top end of the storage box cover (120), the bottom end of the storage box cover (120) is fixedly connected with a threaded ring (121), the outer wall of the threaded ring (121) is screwed and connected with a liquid accumulation storage box (130), a third circular through hole (131) is arranged at the center of the bottom end of the effusion storage box (130), the inner walls of the second circular through hole (122) and the third circular through hole (131) are fixedly connected with a catheter body (210), a first circular through hole (111) is arranged at the center of the top end of the catheter outer cylinder (110), a conduit mechanism (200) is fixedly connected in the first circular through hole (111);

the catheter mechanism (200) comprises a catheter body (210), the top end of the catheter body (210) is fixedly connected with the inner side wall of the first circular through hole (111), a catheter needle (211) is fixedly connected to the center of the top end of the catheter body (210), a leakage box (220) is fixedly connected to the bottom end of the catheter body (210), a piston mechanism (300) is arranged on the inner side of the catheter body (210), the piston mechanism (300) comprises a first piston (320), the inner wall of the catheter body (210) is connected with the first piston (320) in a sliding mode, embedding holes are formed in the center of the top end and the center of the bottom end of the first piston (320), one end of a first rod body (310) is fixedly connected into each embedding hole, a first blocking block (311) is fixedly connected to the other end of the first rod body (310), the first rod body (310) is of a circular tubular structure, and a second rod body (330) is movably connected into the first rod body (310), the bottom end of the second rod body (330) is fixedly connected with a second stop block (331), and one end of the second rod body (330) is positioned on one side of the first piston (320) and is fixedly connected with a second piston (340).

2. The neurosurgical catheter device according to claim 1, wherein the outer catheter tube (110) is made of colorless transparent Polycarbonate (PC).

3. The neurosurgical catheter device according to claim 1, wherein a sealing structure is arranged between the catheter outer cylinder (110) and the storage box cover (120).

4. The catheter device for neurosurgery according to claim 1, wherein the upper end of the leakage box (220) is truncated cone-shaped, the lower end of the leakage box (220) is cylindrical, and a plurality of round holes (221) are uniformly formed in the lower end of the leakage box (220).

5. A catheter device according to claim 1, wherein the second shaft (330) has a length twice the length of the first shaft (310).

6. The neurosurgical catheter device according to claim 1, wherein a screw hole (112) is formed in an outer side wall of the catheter outer tube (110), a left extrusion plate (230) and a right extrusion plate (250) are movably connected to two long side walls of the catheter body (210), a threaded hole (231) is formed in a center position of one side of the left extrusion plate (230), connecting blocks (240) are fixedly connected to center positions of a top end and a bottom end of the left extrusion plate (230), the connecting block (240) is fixedly connected to an inner wall of the catheter outer tube (110), a screw rod (260) is screwed to the right extrusion plate (250) at a corresponding position of the threaded hole (231), and the screw rod (260) is located inside the screw hole (112).