CN220833830U - Drainage catheter - Google Patents

Drainage catheter Download PDF

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Publication number
CN220833830U
CN220833830U CN202322001616.8U CN202322001616U CN220833830U CN 220833830 U CN220833830 U CN 220833830U CN 202322001616 U CN202322001616 U CN 202322001616U CN 220833830 U CN220833830 U CN 220833830U
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CN
China
Prior art keywords
drainage
reticular
tube body
locking part
saccule
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202322001616.8U
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Chinese (zh)
Inventor
阮明兵
隆龙
胡祥豹
丁莉
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Canyon Medical Inc
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Canyon Medical Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Canyon Medical Inc filed Critical Canyon Medical Inc
Priority to CN202322001616.8U priority Critical patent/CN220833830U/en
Application granted granted Critical
Publication of CN220833830U publication Critical patent/CN220833830U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to a drainage catheter. By the aid of the reticular sacculus, the reticular sacculus is unfolded during drainage, so that the catheter can be fixed in tissues without adopting a traditional pigtail structure. The outer layer of the drainage hole forms a layer of filter cover through the reticular saccule, so that the drainage hole can be effectively prevented from being blocked, when the surface of the reticular saccule is blocked, the outer layer pipe can be pushed back and forth, the reticular saccule is extruded in a reciprocating manner, the reticular saccule generates deformation vibration, and the blockage is removed.

Description

Drainage catheter
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to a drainage catheter.
Background
The drainage catheter is a medical instrument for clinical surgery drainage, which guides pus, blood and liquid accumulated in human tissues or cavities to the outside of the body, prevents postoperative infection and promotes wound healing. The surgical drainage tube used clinically has a plurality of types, and is used for catheterization, and is used for wounds, thoracic cavities, brain cavities, gastrointestinal tracts, biliary tracts and the like. At present, in the use process of the drainage catheter, the drainage tube is blocked and the drainage is not smooth due to the factors such as pus, blood clot and the like.
In view of the above, the present utility model provides a drainage catheter for solving the above problems.
Disclosure of utility model
The utility model aims to: the utility model aims at overcoming the defects in the prior art and provides a drainage catheter
The technical scheme is as follows: in order to achieve the above purpose, the utility model provides a drainage catheter, which comprises a drainage tube body, wherein one end of the drainage tube body is provided with an insertion tip, one end of the drainage tube body, which is close to the insertion tip, is provided with a drainage hole, a reticular saccule is sleeved at the position, corresponding to the drainage hole, of the outer part of the drainage tube body, one end, which is far away from the insertion tip, of the reticular saccule is provided with an outer layer tube sleeved on the surface of the drainage tube body, one end, which is far away from the reticular saccule, of the outer layer tube is provided with a locking component, and the locking component is used for adjusting the position of the reticular saccule.
Further, locking component includes fixed connection in outer pipe keeps away from the locking part of netted sacculus one end, locking part cover is located on the drainage tube body, locking part diameter is by being close to outer pipe one end and to keeping away from outer pipe one end and reduce gradually, the locking part outside is equipped with first screw thread, locking part is kept away from outer pipe one side and is equipped with the lock nut that the cover was located drainage tube body outside, lock nut inside diameter has and is close to locking part one end and to keeping away from locking part one end direction and reduce gradually, the inside second screw thread that is equipped with of locking cap.
Further, one end of the drainage tube body far away from the insertion tip is provided with a handle, and an auxiliary channel and a main channel are arranged on the handle.
Furthermore, the two ends of the reticular saccule are welded with fixing rings, and the fixing rings at the two ends are respectively adhered to the insertion tip and the outer layer tube.
Further, the mesh balloon is in the shape of a circular sleeve.
The beneficial effects are that: 1. by the aid of the reticular sacculus, the reticular sacculus is unfolded during drainage, so that the catheter can be fixed in tissues without adopting a traditional pigtail structure.
2. The outer layer of the drainage hole forms a layer of filter cover through the reticular saccule, so that the drainage hole can be effectively prevented from being blocked, when the surface of the reticular saccule is blocked, the outer layer pipe can be pushed back and forth, the reticular saccule is extruded in a reciprocating manner, the reticular saccule generates deformation vibration, and the blockage is removed.
Drawings
FIG. 1 is a schematic view of a drainage catheter according to the present utility model;
FIG. 2 is a schematic view of the drainage catheter of the present utility model in a use state;
FIG. 3 is a schematic view showing the structure of the drainage catheter according to the present utility model.
List of reference numerals: the drainage tube comprises a drainage tube body 1, an insertion tip 2, a drainage hole 3, a netty saccule 4, an outer layer tube 5, a locking part 6, a locking nut 7, an auxiliary channel 8, a main channel 9, a fixing ring 10 and a handle 11.
Detailed Description
The present utility model is further illustrated in the following drawings and detailed description, which are to be understood as being merely illustrative of the utility model and not limiting the scope of the utility model. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
Example 1 is further illustrated with reference to fig. 1-3.
The utility model provides a drainage catheter which comprises a drainage tube body 1, wherein an insertion tip 2 is arranged at one end of the drainage tube body 1, a drainage hole 3 is formed in one end, close to the insertion tip 2, of the drainage tube body 1, a reticular saccule 4 is sleeved at a position, corresponding to the drainage hole 3, of the outer portion of the drainage tube body 1, an outer layer tube 5 sleeved on the surface of the drainage tube body 1 is arranged at one end, far away from the insertion tip 2, of the reticular saccule 4, a locking assembly is arranged at one end, far away from the reticular saccule 4, of the outer layer tube 5, and the locking assembly is used for adjusting the position of the reticular saccule 4.
The locking assembly comprises a locking part 6 fixedly connected to one end of the outer layer pipe 5, far away from the reticular saccule 4, the locking part 6 is sleeved on the drainage tube body 1, the diameter of the locking part 6 gradually decreases from one end, close to the outer layer pipe 5, to one end, far away from the outer layer pipe 5, of the locking part 6, a first thread is arranged outside the locking part 6, one side, far away from the outer layer pipe 5, of the locking part 6 is provided with a locking nut 7 sleeved outside the drainage tube body 1, the inner diameter of the locking nut 7 gradually decreases from one end, close to the locking part 6, to one end, far away from the locking part 6, and the inside of the locking nut is provided with a second thread.
The drainage tube body 1 is equipped with handle 11 far away from the one end of inserting the pointed end 2, be equipped with auxiliary channel 8 and main channel 9 on the handle 11.
The two ends of the reticular saccule 4 are welded with fixing rings 10, and the fixing rings 10 at the two ends are respectively adhered with the insertion tip 2 and the outer layer tube 5.
The mesh balloon 4 is in the shape of a circular sleeve.
When a patient needs to be drained, because the first thread fixedly connected to the outside of the locking part 6 at one end of the outer layer tube 5 far away from the reticular saccule 4 is in threaded connection with the second thread sleeved on the drainage tube body 1 and positioned in the locking nut 7 at one side of the locking part 6 far away from the outer layer tube 5, an operator needs to manually unscrew the locking nut 7, then the operator places the insertion tip 2 fixedly connected to one end of the drainage tube body 1 at the position needing drainage, pushes the outer layer tube 5 sleeved on the surface of the drainage tube body 1 and positioned at one end of the reticular saccule 4 far away from the insertion tip 2, the outer layer tube 5 moves towards the insertion tip 2, the reticular saccule 4 sleeved at the position corresponding to the drainage hole 3 outside the drainage tube body 1 is extruded through the outer layer tube 5, so that the reticular saccule 4 bulges, as shown in the state shown in figure 2, and the locking nut 7 is screwed on the locking part 6 to lock and fix the outer layer tube 5 relative to the drainage tube body 1, the reticular saccule 4 is in an opening state, the subsequent drainage operation is carried out, in the process of screwing the retraction screw cap outside the locking part 6, as the diameter of the locking part 6 gradually decreases from one end close to the outer layer pipe 5 to one end far away from the outer layer pipe 5 and the inner diameter of the locking screw cap 7 gradually decreases from one end close to the locking part 6 to one end far away from the locking part 6, the locking part 6 is not completely attached to the drainage tube body 1, the locking part 6 can not influence the sliding of the outer layer pipe 5 on the surface of the drainage tube body 1, in addition, in the screwing process of the locking screw cap 7, the inside of the locking screw cap 7 continuously extrudes the locking part 6, the locking part 6 is continuously attached to the surface of the drainage tube body 1 until the locking part 6 is tightly attached to the surface of the drainage tube body 1, the fixing effect of the locking part 6 and the drainage tube body 1 is realized, thereby realizing the fixation of the outer layer tube 5 and further ensuring that the reticular sacculus 4 can be in a stretching state all the time; an operator can adjust the size of the net Na in the expanding state according to the size of the wound, so that the drainage effect is further improved;
When the reticular saccule 4 is in a spreading state, the main channel 9 is opened, then liquid in a human body passes through the reticular saccule 4 and enters the drainage hole 3 near one end of the insertion tip 2 of the drainage tube body 1, then the liquid passes through the liquid outlet pipeline inside the drainage tube body 1 and enters the main channel 9 fixedly arranged on the handle 11, the liquid is discharged from the main channel 9, when the wound is required to be washed, an operator can introduce cleaning liquid into the auxiliary channel 9 fixedly arranged on the handle 11, the cleaning liquid passes through the auxiliary channel 9, the liquid inlet channel inside the drainage tube body 1 is finally sprayed out from the insertion tip 2, the sprayed cleaning liquid cleans the wound, and in the cleaning process, the liquid at the wound can enter the drainage hole 3 and finally be discharged from the main channel 9, so that the liquid generated in the cleaning process is ensured to be discharged in time.
When the reticular saccule 4 is blocked, an operator can unscrew the locking nut 7, and then the operator can push the outer layer pipe 5 back and forth to reciprocally squeeze the reticular saccule 4, so that the reticular saccule 4 generates deformation vibration, the blockage is removed, and the normal operation of the drainage process is ensured;
The fixing rings 10 are fixedly connected to the two ends of the reticular saccule 4, and the fixing rings 10 at the two ends are respectively fixed on the outer layer tube 5 at the insertion tip 2 in an adhesive mode, so that the fixation of the reticular saccule 4 is ensured, and the position of the reticular saccule 4 is prevented from shifting.
While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no limitations are intended to the scope of the utility model, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the utility model.

Claims (5)

1. A drainage catheter, characterized in that: including the drainage tube body, drainage tube body one end is equipped with inserts the pointed end, the drainage tube body is close to and inserts pointed end one end and be equipped with the drainage hole, the outside position department cover that corresponds with the drainage hole of drainage tube body is equipped with netted sacculus, netted sacculus is kept away from and is inserted pointed end one end and is equipped with the outer pipe that the cover was located drainage tube body surface, outer pipe is kept away from netted sacculus one end and is equipped with locking component, locking component is used for adjusting netted sacculus position.
2. A drainage catheter according to claim 1, wherein: the locking assembly comprises a locking part fixedly connected with one end of the outer tube, far away from the reticular saccule, the locking part is sleeved on the drainage tube body, the diameter of the locking part gradually decreases from one end, close to the outer tube, to one end, far away from the outer tube, of the locking part, a first thread is arranged outside the locking part, a locking nut sleeved outside the drainage tube body is arranged on one side, far away from the outer tube, of the locking part, the inner diameter of the locking nut gradually decreases from one end, close to one end, of the locking part to one end, far away from the locking part, and a second thread is arranged inside the locking cap.
3. A drainage catheter according to claim 1, wherein: the drainage tube body is kept away from the one end of inserting the pointed end and is equipped with the handle, be equipped with auxiliary channel and main channel on the handle.
4. A drainage catheter according to claim 1, wherein: fixing rings are welded at two ends of the reticular saccule, and the fixing rings at two ends are respectively bonded with the insertion tip and the outer layer tube.
5. A drainage catheter according to claim 1, wherein: the reticular sacculus is in the shape of a circular sleeve.
CN202322001616.8U 2023-07-28 2023-07-28 Drainage catheter Active CN220833830U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322001616.8U CN220833830U (en) 2023-07-28 2023-07-28 Drainage catheter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322001616.8U CN220833830U (en) 2023-07-28 2023-07-28 Drainage catheter

Publications (1)

Publication Number Publication Date
CN220833830U true CN220833830U (en) 2024-04-26

Family

ID=90782576

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322001616.8U Active CN220833830U (en) 2023-07-28 2023-07-28 Drainage catheter

Country Status (1)

Country Link
CN (1) CN220833830U (en)

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