CN218793513U

CN218793513U - Drainage tube for uniform administration

Info

Publication number: CN218793513U
Application number: CN202222056770.0U
Authority: CN
Inventors: 石斌; 王德伟; 李照明
Original assignee: Anhui Aofo Medical Equipment Tech Corp
Current assignee: Anhui Aofo Medical Equipment Tech Corp
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2023-04-07
Anticipated expiration: 2032-08-05

Abstract

The utility model discloses a drainage tube for uniform drug administration, which comprises an outer tube with a group of first flow guide holes at an insertion end and an inner tube with one end inserted into the outer tube, wherein the other end of the outer tube is hermetically connected with a sleeve seat, the sleeve seat is spliced and matched with a switching part, a drug administration nozzle is connected on the switching part, a middle tube is also arranged between the inner tube and the outer tube, the drug administration nozzle is communicated with a group of guide channels arranged on the wall body of the middle tube, and each guide channel is axially arranged along the middle tube and is uniformly distributed in the wall body; the inserting end part of the middle catheter is provided with a group of second flow guide holes correspondingly communicated with the guide channel. The utility model discloses a mouthpiece of dosing pours into liquid medicine into, through guide channel and second water conservancy diversion hole, flows out from third water conservancy diversion hole, makes medicine evenly distributed on outer catheter 1 inserts the week side of end, realizes evenly dosing purpose, makes more abundant effect of medicine on the surface of a wound, has avoided the inhomogeneous, untimely condition of dosing, also reduces unnecessary waste of medicine simultaneously.

Description

Drainage tube for uniform administration

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to a drainage tube for abdominal cavity is evenly dosed.

Background

The drainage tube is a medical appliance for clinical surgery drainage, which guides pus, blood and liquid accumulated in human tissues or body cavities to the outside of the body, prevents postoperative infection and promotes wound healing. The clinical surgical drainage tubes are used in many kinds, such as urinary catheters, pleural effusion drainage tubes, peritoneal effusion drainage tubes, etc.

In order to promote the recovery of the wound, besides the body fluid is required to be led out, the dressing change and the flushing are required to be carried out, the traditional drainage tube is used, particularly, when the wound surface of an abdominal operation is healed, the device of the abdominal cavity is easy to move, so that the position of the wound surface is slightly moved, the administration position is often not matched with the position of the wound surface, the medicine cannot reach the position of the wound surface timely, fully and uniformly, the medicine cannot be fully utilized, and the recovery of a patient is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a drainage tube for evenly administering medicine.

The utility model adopts the following technical scheme:

the utility model provides a drainage tube of evenly dosing, is equipped with the outer pipe in a set of first water conservancy diversion hole and the interior pipe in the outer pipe is inserted to one end including inserting the end, the other end sealing connection cover seat of outer pipe, cover seat grafting cooperation switching portion, connect in the switching portion and dose the mouthpiece, its characterized in that: a middle catheter is also arranged between the inner catheter and the outer catheter, the administration nozzle is communicated with a group of guide channels arranged on the wall body of the middle catheter, and each guide channel is axially arranged along the middle catheter and evenly distributed in the wall body of the middle catheter; the inserting end part of the middle guide pipe is provided with a group of second guide holes correspondingly communicated with the guide channel.

Furthermore, the switching part is provided with a first positioning part, the sleeve seat is provided with a second positioning part, and the first positioning part and the second positioning part are mutually inserted, positioned and matched.

Furthermore, the first positioning part is a set of protrusions uniformly distributed on the circumference, and the second positioning part is a set of grooves matched with the first positioning part.

Furthermore, the exposed end of the switching part is also hermetically and spirally connected with a connecting cap, the connecting cap is axially provided with a connecting pipe, one end of the connecting pipe extends outwards and is in splicing fit with an external connecting pipe, and the other end of the connecting pipe is arranged in the connecting cap and is in splicing fit with an internal guide pipe.

Furthermore, the second flow guide holes are uniformly distributed along the radial direction of the middle guide pipe.

Furthermore, third flow guide holes which correspond to the second flow guide holes one to one are formed in the outer guide pipe.

Furthermore, the tube body of the outer catheter is connected with a soft positioning sheet for preventing the catheter from falling off in a friction damping mode.

Furthermore, the insertion end of the middle catheter is fixedly connected with a hemispherical guide head.

Compared with the prior art, the utility model discloses the beneficial effect of utensil:

1. in the scheme, the medicine uniformly acts on the wound surface through the second flow guide holes by the guide channels which are uniformly distributed in the wall body of the middle catheter and are axially arranged, so that the condition that the medicine is not uniformly and timely administered is avoided; and simultaneously reduces unnecessary waste of the medicine.

2. The first positioning part and the second positioning part adopt a concave-convex inserting positioning matching structure, so that the middle catheter is matched with the outer catheter again after being pulled out, the relative position can still be kept, the second flow guide hole and the third flow guide hole are ensured to be communicated, and the medicine supply is not influenced.

3. The arrangement of the connecting cap facilitates the quick connection and replacement of the external connecting pipe and the internal guide pipe.

4. Soft spacer is connected to friction damping's form, has made things convenient for soft spacer axial displacement location in the use, and simultaneously, soft spacer contact patient's skin reduces amazing, easily attached skin location.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 isbase:Sub>A schematic cross-sectional view taken along the line A-A in FIG. 1;

FIG. 3 is an enlarged view of a portion of the structure at I in FIG. 1;

fig. 4 is a schematic structural view illustrating the first and second positioning portions in cooperation with each other according to an embodiment of the present invention;

fig. 5 is a schematic structural view of the connection cap in the embodiment of the present invention.

Description of reference numerals: 1. an outer catheter; 11. a first flow guide hole; 12. a third flow guide hole; 2. an inner conduit; 3. a switching part; 31. a first positioning portion; 4. a rinse nozzle; 5. a drug delivery nozzle; 6. a sleeve seat; 61. a second positioning portion; 7. a middle catheter; 71. a guide channel; 72. a second flow guide hole; 73. a guide head; 8. a connecting cap; 81. taking over a pipe; 9. an external connection pipe; 10. a soft positioning sheet.

Detailed Description

In order to make the present invention more clearly understood, the following description is further made in conjunction with the accompanying drawings for the purpose of illustrating the drainage tube of the present invention, and the embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.

As shown in figure 1, a uniform delivery catheter is used in this embodiment for intra-abdominal wound drainage. It includes: an outer conduit 1 with two ends communicated, a group of first diversion holes 11 are arranged on the circumferential surface of the insertion end of the outer conduit 1, and the other end of the outer conduit is connected with a rigid sleeve seat 6 in a sealing way. The sleeve seat 6 is made of medical stainless steel. The end of the sleeve seat 6 is connected with a rigid sleeve-shaped adapter part 3 in a plug-in fit manner, and the side circumference of the adapter part 3 is respectively connected with a washing nozzle 4 and a pair of administration nozzles 5. An inner catheter 2 is inserted into the outer catheter 1, and a group of through holes (not shown) for drainage are uniformly arranged on the insertion end part of the inner catheter 2. A middle catheter 7 is also arranged between the inner catheter and the outer catheter, namely, the middle catheter 7 is positioned in the outer catheter and sleeved on the inner catheter, and a gap capable of moving mutually is reserved between the middle catheter 7 and the outer catheter. The inserting end of the middle catheter 7 is fixedly connected with a hemispherical guide head 73, and the device plays a role in guiding and protecting when being integrally inserted into a human body.

As shown in fig. 2 and 3, the side wall of the upper end of the middle conduit 7 is connected with the inner wall of the adapter 3 in a sealing manner, a group of guide channels 71 are uniformly distributed on the wall body of the middle conduit 7, and the guide channels 71 are straight-hole pipes. The axis of each guide channel 71 is parallel to the axis of the middle catheter 7, and the guide channels 71 penetrate through the upper end face of the middle catheter 7, so that the administration nozzle 5 is communicated with the guide channels 71 through a closed cavity formed by the inner wall of the adapter part 3, and the medicine flows from the arrow path shown in the figure.

In fig. 1, the lower ends of the guiding channels 71 are respectively communicated with second guiding holes 72 arranged on the middle conduit 7, and the second guiding holes 72 are uniformly distributed along the radial direction of the middle conduit 7. Third guide holes 12 corresponding to the second guide holes 72 one to one are formed on the outer guide tube 1. A soft positioning piece 10 is sleeved on the tube body of the outer catheter 1, the soft positioning piece 10 is made of medical silica gel, and the outer catheter 1 and the soft positioning piece 10 can prevent the catheter from falling off through the friction damping effect between the outer catheter and the soft positioning piece. The washing nozzle 4 acts on the wound surface as a flow channel through the gap between the inner catheter and the middle catheter.

As shown in fig. 4, a first positioning portion 31 is disposed at the insertion fitting position of the adaptor portion 3, and the first positioning portion 31 is a set of protrusions uniformly distributed on the circumference, and the protrusions point to the insertion fitting position of the sleeve seat 6. The socket 6 grafting cooperation department is equipped with second location portion 61, and second location portion 61 is a set of recess that matches with first location portion, through unsmooth structure, makes switching portion 3 and socket 6 form the location cooperation of pegging graft each other. Therefore, when the adapter part 3 is separated from the outer catheter 1 together with the middle catheter 7 and then is plugged again, the relative positions of the second diversion hole 72 and the third diversion hole 12 can be ensured, so that the second diversion hole and the third diversion hole are communicated with each other all the time, and the phenomenon of unsmooth drug delivery is prevented.

As shown in fig. 5, the exposed end of the upper side of the adapter part 3 is hermetically connected with a connecting cap 8 through a thread, a connecting pipe 81 with two communicated ends is arranged on the axis of the connecting cap, one end of the connecting pipe 81 extends outwards and is in plug fit with the external connecting pipe 9, and the other end of the connecting pipe 81 is arranged in the connecting cap and is in plug fit with the internal conduit 2. The external connection pipe 9 can be connected with drainage equipment or a medicine bag through a quick connector to perform related operations, and a quick stop valve (not marked) is further arranged on the external connection pipe 9.

The inner catheter, the middle catheter and the outer catheter are all made of medical silica gel and have certain flexibility.

In the use of the embodiment, the liquid medicine is injected through the medicine feeding nozzle 5, and flows out of the third flow guide hole 12 through the guide channel 71 and the second flow guide hole 72, so that the medicine is uniformly distributed on the peripheral side surface of the insertion end of the outer catheter 1, the purpose of uniform medicine feeding is realized, compared with single-side medicine feeding, the medicine can be more fully acted on the wound surface, the situation that the medicine is not uniformly and timely fed after the displacement of the wound surface is avoided, and meanwhile, the unnecessary waste of the medicine is reduced. In addition, when the device is placed in a human body for use for a period of time, the lipoid omentum in the human body can block the flow guide hole, and the middle catheter and the inner catheter which are connected with the switching part are pulled out for replacement or flushing so as to solve the blocking problem. The cooperation of first, second location portion can make well, interior pipe repeatedly fix a position, guarantees positioning accuracy, realizes the service function of this device betterly.

The above embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications which fall within the spirit of the invention are intended to be protected by the present invention.

Claims

1. The utility model provides a drainage tube of evenly dosing, is equipped with outer pipe (1) of a set of first water conservancy diversion hole (11) and one end including inserting the end and inserts interior pipe (2) in outer pipe (1), other end sealing connection cover seat (6) of outer pipe (1), cover seat (6) grafting cooperation switching portion (3), connects on switching portion (3) and doses mouthpiece (5), its characterized in that: a middle catheter (7) is also arranged between the inner catheter and the outer catheter, the administration nozzle (5) is communicated with a group of guide channels (71) arranged on the wall body of the middle catheter (7), and each guide channel (71) is axially arranged along the middle catheter (7) and uniformly distributed in the wall body of the middle catheter; the inserting end part of the middle conduit (7) is provided with a group of second flow guide holes (72) correspondingly communicated with the guide channel (71).

2. A drain for uniform administration according to claim 1, wherein: the adapter part (3) is provided with a first positioning part (31), the sleeve seat (6) is provided with a second positioning part (61), and the first positioning part and the second positioning part are mutually inserted, positioned and matched.

3. A drain for uniform administration according to claim 2, wherein: the first positioning parts (31) are a group of bulges which are uniformly distributed on the circumference, and the second positioning parts (61) are a group of grooves which are matched with the first positioning parts.

4. A drainage tube for uniform administration according to claim 3, wherein: the exposed end of the switching part (3) is also hermetically and spirally connected with a connecting cap (8), the connecting cap is axially provided with a connecting pipe (81), one end of the connecting pipe (81) extends outwards and is in splicing fit with the external connecting pipe (9), and the other end of the connecting pipe is arranged in the connecting cap and is in splicing fit with the internal guide pipe (2).

5. A drainage tube for uniform administration according to claim 1 or 3, wherein: the second guide holes (72) are uniformly distributed along the radial direction of the middle guide pipe (7).

6. A drain for uniform administration according to claim 1, wherein: and third flow guide holes (12) which correspond to the second flow guide holes (72) one to one are formed in the outer conduit (1).

7. A drain for uniform administration according to claim 1, wherein: the pipe body of the outer catheter (1) is connected with a soft positioning piece (10) for preventing the catheter from falling off in a friction damping mode.

8. A drain for uniform administration according to claim 1, wherein: the inserting end of the middle conduit (7) is also fixedly connected with a hemispherical guide head (73).