CN213407464U - Nose bile duct connecting device - Google Patents
Nose bile duct connecting device Download PDFInfo
- Publication number
- CN213407464U CN213407464U CN202020908292.XU CN202020908292U CN213407464U CN 213407464 U CN213407464 U CN 213407464U CN 202020908292 U CN202020908292 U CN 202020908292U CN 213407464 U CN213407464 U CN 213407464U
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- China
- Prior art keywords
- hole
- nasobiliary
- connector
- constriction
- constriction portion
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- Expired - Fee Related
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Abstract
The utility model belongs to the technical field of medical instrument and specifically relates to a nose bile duct connecting device. Nasobiliary tube connecting device, including adapter sleeve, constriction portion, connector, the adapter sleeve with the connector is for dismantling the connection, the connector is equipped with and holds the toper cavity of constriction portion, the constriction portion middle part is equipped with first through-hole, constriction portion one side is equipped with and is used for changing the breach of first through-hole size. The size of the first through hole can be changed by extruding the contraction part through the fixing sleeve, so that the hose is fixed, and the fixing device has the beneficial effects of simple structure, convenience in connection, good fixing effect and difficulty in falling off.
Description
Technical Field
The utility model belongs to the technical field of medical instrument and specifically relates to a nose bile duct connecting device.
Background
The endoscopic nasobiliary drainage is characterized in that a nasobiliary tube is placed into a proper position of a bile duct through a duodenoscope, and finally is led out from a nasal cavity on one side of a patient, so that a method for treating bile at a bile duct blockage position or a lesion position by draining the bile into an external endoscopic treatment is achieved, and preoperative preparation is carried out: fasting for 4-6 hours, intramuscular injection of 50-100mg of mepiquat chloride, 654-210 mg of mepiquat chloride and 10mg of diazepam for 10min before operation, and the local surface anesthesia adopts 10ml of pharyngeal lubricating local anesthesia defoaming agent, and the operation method comprises the following steps: inserting duodenoscope through mouth until the sphincter papilla is found at the descending part, performing endoscopic cholangiography, determining the position of obstruction, inserting guide wire into bile duct above the obstruction, selecting bile duct with the widest drainage range, inserting a slender polyethylene nasal bile duct with the outer diameter of 6-8Fr along the guide wire, taking out the guide wire after reaching the preset position, leading out the nasal bile duct from the mouth, leading out the nasal bile duct from the nostril by using a nasal catheter, properly fixing the nasal catheter on the cheek, and connecting with a sterile drainage device.
Please refer to fig. 1, chinese utility model patent with publication number CN209451016U discloses a negative pressure drum joint for drainage of nose bile duct, which is characterized in that, it comprises an inner tube and a screw sleeve sleeved outside the inner tube, wherein, the two ends of the inner tube are respectively male and female, the negative pressure drum drainage tube is connected with the male, the female is connected with the nose bile duct, the inside of the inner tube is hollow to communicate the negative pressure drum drainage tube of the male and the nose bile duct of the female, a multi-petal structure tube clamp is arranged outside the inner tube, the inner tube is connected with the screw sleeve inclined plane through the tube clamp, one end of the tube clamp close to the male end of the inner tube is pressed and deformed by the screw sleeve to clamp the negative pressure drum drainage tube on the male.
The joint result among the prior art is comparatively complicated, and the clamping that is relapse is loosened to the negative pressure drum drainage tube because of needing, easily causes the deformation or the fatigue of drainage tube tip to influence fixed effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a simple structure, connect convenient, fixed effectual, difficult nose bile duct connecting device who drops.
For reaching the advantage, the utility model provides a nose bile duct connecting device, including adapter sleeve, constriction portion, connector, the adapter sleeve with the connector is for dismantling the connection, the connector is equipped with and holds the toper cavity of constriction portion, the constriction portion middle part is equipped with first through-hole, constriction portion one side is equipped with and is used for changing the breach of first through-hole size.
In an embodiment of the present invention, the connecting sleeve faces away from the connecting head, and an extending portion is provided on the connecting sleeve, and the extending portion is provided with a second through hole.
In an embodiment of the present invention, the connector is provided with a third through hole communicating with the tapered cavity, and the second through hole has the same diameter as the third through hole.
In an embodiment of the present invention, a groove is provided between the conical chamber and the third through hole, and the groove is used for accommodating a part of the constriction.
The utility model discloses an embodiment, the adapter sleeve with have the clearance between the connector, through the distance adjustment that changes the clearance the size of constriction portion first through-hole.
In an embodiment of the present invention, when the connection sleeve and the connection head are in a fixed state, the contraction portion is squeezed to reduce the first through hole, the gap is closed, and at this time, the aperture of the first through hole is smaller than the second through hole and the third through hole; when the connecting sleeve and the connecting head are in a fixing releasing state, the contraction part automatically moves upwards due to the elasticity of the contraction part, the gap is opened, and at the moment, the aperture of the first through hole is larger than or equal to that of the second through hole and that of the third through hole.
In an embodiment of the present invention, the extension end is provided with a chamfer inclined toward the second through hole.
In an embodiment of the invention, the constriction is made of one of rubber, sponge, silica gel.
In an embodiment of the invention, the outer surface of the extension end is provided with an external thread.
In an embodiment of the present invention, the outer surface of the end of the extension portion is provided with a plurality of sealing rings.
The utility model discloses in, can change the size of first through-hole through fixed cover extrusion constriction part to fixed hose, consequently this fixing device has simple structure, connects convenient, fixed effectual, the difficult beneficial effect who drops.
Drawings
Fig. 1 is a schematic structural diagram of a negative pressure drum joint for nasobiliary drainage in the prior art.
Fig. 2 is a longitudinal sectional view of the nasobiliary tube connecting device according to the first embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of the nasobiliary tube connecting device according to the first embodiment of the present invention.
Fig. 4 is a longitudinal sectional view of the nasobiliary tube connecting device according to the first embodiment of the present invention in a fixed state.
Fig. 5 is a transverse sectional view of the first embodiment of the nasobiliary tube connecting device of the present invention in a fixed state.
Fig. 6 is a longitudinal sectional view of a nasobiliary tube connecting device according to a second embodiment of the present invention.
Fig. 7 is a longitudinal sectional view of a nasobiliary tube connecting device according to a third embodiment of the present invention.
Fig. 8 is a longitudinal sectional view of a nasobiliary tube connecting device according to a fourth embodiment of the present invention.
Fig. 9 is a longitudinal sectional view of a nasobiliary tube connecting device according to a fifth embodiment of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description will be given with reference to the accompanying drawings and preferred embodiments in order to provide the best mode, structure, features and effects according to the present invention.
Referring to fig. 2 and 3, the nasobiliary tube connecting device according to the first embodiment of the present invention includes a fixing sleeve 1, a contracting portion 2, and a fixing head 3, wherein the fixing sleeve 1 is detachably connected to the fixing head 3, and the fixing sleeve 1 is in threaded connection with the fixing head 3. The fixing head 3 is provided with a conical chamber 31 capable of accommodating the contraction part 2, the middle part of the contraction part 2 is provided with a first through hole 21, and one side of the contraction part 2 is provided with a notch 22 for changing the size of the first through hole 21.
One end of the fixing sleeve 1, which faces away from the fixing head 3, is provided with an extending part 11, and the extending part 11 is provided with a second through hole 12. The fixed head 3 is provided with a third through hole 32 communicating with the conical chamber 31. A groove 33 is formed between the conical chamber 31 and the third through hole 32, and the groove 33 is used for accommodating part of the contraction part 2, so that the machining precision of the contraction part 2 is reduced, and the cost is saved. The second through hole 12 and the third through hole 32 have the same diameter. The fixing sleeve 1 and the fixing head 3 have a gap a therebetween, and the size of the first through hole 21 of the constricted portion 2 is adjusted by changing the distance of the gap a.
When the fixing sleeve 1 and the fixing head 3 are in a fixed state, the contraction part 2 is extruded to reduce the first through hole 21, the gap 22 is closed, and the aperture of the first through hole 21 is smaller than that of the second through hole 12 and the third through hole 32; when the fixing sleeve 1 and the fixing head 3 are in the fixing release state, the contraction part 2 automatically moves upwards due to the elasticity of the contraction part, the gap 22 is opened, and the aperture of the first through hole 21 is larger than or equal to the aperture of the second through hole 12 and the aperture of the third through hole 32.
The contraction part 2 is made of an elastic material, and the contraction part 2 is made of one of rubber, sponge and silica gel.
Referring to fig. 4 and 5, the nasobiliary tube connecting device is used for fixing the flexible tube 4 to prevent pulling and keep the flexible tube open. The constriction 2 is relatively flexible and therefore does not damage the hose 4.
In the using process, the hose 4 is inserted through the second through hole 12 of the extending portion 11, and then sequentially passes through the first through hole 21 and the third through hole 32, so that the hose 4 penetrates through the fixing device, then the fixing sleeve 1 is screwed, the gap a between the fixing sleeve 1 and the fixing head 3 is reduced, at this time, the fixing sleeve 1 extrudes the contraction portion 2, the notch 22 is closed, and when the aperture of the first through hole 21 is equal to the outer diameter of the hose 4, the contraction portion 2 is embedded with the hose 4, and the fixing is completed. When the fixation is released, the fixing sleeve 1 is rotated in the reverse direction, the gap a between the fixing sleeve 1 and the fixing head 3 is increased, and the contracting portion 2 automatically returns under its own elastic force, thereby releasing the fixation of the hose 4.
The flexible tube 4 is a nasobiliary tube. When the constriction 2 is too large, the recess 33 can accommodate part of the constriction 2, thereby preventing excessive squeezing of the hose 4.
Referring to fig. 6, in a second embodiment of the present invention, the fixing sleeve 1 is connected to the fixing head 3 by a snap, and a stop ring 34 is disposed at one end of the fixing head 3 close to the fixing sleeve 1, the stop ring 34 being used to prevent the fixing sleeve 1 from falling off. Compare the threaded connection of first application of force, the buckle is connected more conveniently and fixed cover 1 is difficult for droing.
Referring to fig. 7, in the third embodiment of the present invention, the end of the extending portion 11 is provided with a chamfer 111 inclined toward the second through hole 12, and during the installation process, the chamfer 111 facilitates the smooth insertion of the hose 4 and reduces the blockage caused by the extrusion of the hose 4.
Referring to fig. 8, in a fourth embodiment of the present invention, the outer surface of the end of the extension 11 is provided with an external thread 112, and the extension 11 can be connected to a drainage tube 5, such as a negative pressure drum drainage tube. The draft tube 5 is provided with a fitting portion 51 corresponding to the external thread 112. And the port of the hose 4 is located at one end of the first through hole 21 adjacent to the second through hole 12, thereby completing the connection of the drainage tube 5 and the hose 4 through the connection device.
Referring to fig. 9, in a fifth embodiment of the present invention, a plurality of sealing rings 113 are disposed on the outer surface of the end portion of the extending portion 11, and the drainage tube 5 is connected with the extending portion 11 by the sealing rings 113 in a sealing manner. Compared with the fourth embodiment, the structure of the embodiment is simpler and the use is more convenient.
The utility model discloses in, can change the size of first through-hole 21 through fixed cover 1 extrusion shrink portion 2 to fixed hose 4, consequently this fixing device has simple structure, connects convenient, fixed effectual, the difficult beneficial effect who drops.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person can make modifications or changes equivalent to the above embodiments without departing from the scope of the present invention, but all the modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are within the scope of the present invention.
Claims (10)
1. The utility model provides a nose bile duct connecting device, includes adapter sleeve, constriction portion, connector, the adapter sleeve with the connector is for dismantling the connection, its characterized in that, the connector is equipped with and holds the toper cavity of constriction portion, the constriction portion middle part is equipped with first through-hole, constriction portion one side is equipped with and is used for changing the breach of first through-hole size.
2. The nasobiliary tube connecting device of claim 1, wherein an end of the connecting sleeve facing away from the connecting head is provided with an extension portion, and the extension portion is provided with a second through hole.
3. The nasobiliary tube connection device of claim 2, wherein the connector is provided with a third through hole communicating with the tapered chamber, and the second through hole has the same diameter as the third through hole.
4. A nasobiliary duct connection device according to claim 3, wherein a recess is provided between the tapered chamber and the third through-bore, the recess being adapted to receive part of the constriction.
5. The nasobiliary tube connecting device of claim 1, wherein a gap is formed between the connecting sleeve and the connecting head, and the size of the first through hole of the constriction portion is adjusted by changing a distance of the gap.
6. The nasobiliary tube connecting device according to claim 3, wherein when the connecting sleeve and the connector are in a fixed state, the constriction portion is squeezed to reduce the first through hole, the gap is closed, and at this time, the aperture of the first through hole is smaller than the second through hole and the third through hole; when the connecting sleeve and the connecting head are in a fixing releasing state, the contraction part automatically moves upwards due to the elasticity of the contraction part, the gap is opened, and at the moment, the aperture of the first through hole is larger than or equal to that of the second through hole and that of the third through hole.
7. The nasobiliary tube connection device of claim 2, wherein the extension end is provided with a chamfer that is inclined toward the second through-hole.
8. The nasobiliary duct connection device of claim 7, wherein the constriction is made of one of rubber, sponge, and silicone.
9. The nasobiliary duct connection device of claim 2, wherein an outer surface of the end of the extension is externally threaded.
10. The nasobiliary duct connection device of claim 2, wherein an outer surface of the end of the extension is provided with a plurality of sealing rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020908292.XU CN213407464U (en) | 2020-05-26 | 2020-05-26 | Nose bile duct connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020908292.XU CN213407464U (en) | 2020-05-26 | 2020-05-26 | Nose bile duct connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213407464U true CN213407464U (en) | 2021-06-11 |
Family
ID=76224198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020908292.XU Expired - Fee Related CN213407464U (en) | 2020-05-26 | 2020-05-26 | Nose bile duct connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213407464U (en) |
-
2020
- 2020-05-26 CN CN202020908292.XU patent/CN213407464U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210611 |