CN210873745U - Connector of central venous catheter and thoracic bottle catheter - Google Patents
Connector of central venous catheter and thoracic bottle catheter Download PDFInfo
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- CN210873745U CN210873745U CN201921509743.6U CN201921509743U CN210873745U CN 210873745 U CN210873745 U CN 210873745U CN 201921509743 U CN201921509743 U CN 201921509743U CN 210873745 U CN210873745 U CN 210873745U
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- catheter
- central venous
- needle cylinder
- pipe
- connector
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Abstract
The utility model discloses a connector of central venous catheter and thoracic bottle pipe, its technical scheme main points are: including fixing the screw thread post at central venous catheter end and fixing the taper joint at the thoracic bottle catheter end, still include: the threaded connection ring is in threaded connection with the outer part of the threaded column connector, a connection column is fixed at one end of the threaded connection ring, and a first externally-extending threaded pipe which is integrally formed with the connection column is arranged at the end part of the connection column; the needle cylinder is connected with the first externally extending threaded pipe, a second externally extending threaded pipe which is integrally formed with the needle cylinder is arranged at the other end of the needle cylinder, and the first externally extending threaded pipe is in threaded connection with the second externally extending threaded pipe; and a leather strip tube fixed outside the needle cylinder in a stretching way; the device can be used for conveniently and rapidly connecting the central venous catheter with the thoracic bottle catheter, and the central venous catheter is not easy to separate from the thoracic bottle catheter during connection.
Description
Technical Field
The utility model relates to a pipeline connector, in particular to a connector of a central venous catheter and a thoracic bottle catheter.
Background
Many severe patients all can be in chest bottle of external connection in order to prevent pneumothorax at the postoperative, and severe patients mostly adopt central venous catheter to maintain, and have chest bottle pipe on the chest bottle, need be connected central venous catheter and chest bottle pipe when using the chest bottle.
According to observation and use, a series of problems exist when the thoracic bottle is used, the most main problem is represented by the connection problem of the central venous pipe and the thoracic bottle pipe, the sizes of the central venous pipes which are widely adopted at present are 8.5F, 8F, 7F, 5.5F and the like, the sizes of the thoracic bottle pipes on the thoracic bottle are F19.5, F25.4 and the like, compared with the fact that the thoracic bottle pipe is a thicker pipe, the central venous pipe and the thoracic bottle pipe are not connected well and are easy to fall off, and therefore the traditional connection needs to be improved.
SUMMERY OF THE UTILITY MODEL
To solve the above problems, the present invention provides a connector for connecting a central venous catheter and a thoracic bottle catheter, which solves the above problems.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a connector of central venous catheter and thoracic bottle pipe, includes fixes the screw thread post joint at central venous catheter tip and fixes the cone-shaped joint at thoracic bottle catheter tip, still includes:
the threaded ring is screwed outside the threaded column joint, a connecting column is fixed at one end of the threaded ring, which is far away from the threaded column joint, and a first externally-extending threaded pipe integrally formed with the connecting column is arranged at the end part of the connecting column;
the needle cylinder is connected with the first externally extending threaded pipe, one end of the needle cylinder is provided with an opening, the other end of the needle cylinder is provided with a second externally extending threaded pipe which is integrally formed with the needle cylinder, and the first externally extending threaded pipe is in threaded connection with the second externally extending threaded pipe;
and the leather strip tube is fixedly stretched outside the needle cylinder, and the conical joint is inserted into one end of the leather strip tube, which is far away from the needle cylinder.
By adopting the technical scheme, the central venous catheter and the thoracic bottle catheter can be conveniently and quickly connected by using the device, and the central venous catheter and the thoracic bottle catheter are not easy to separate during connection; when carrying out connection between them, the operator can be with the threaded post joint threaded connection of central venous catheter tip on the screw connects the ring, again with the first external screw thread pipe threaded connection on the spliced pole in the second on the cylinder stretches out the screwed pipe outward, later the operator can insert the taper plug of chest bottle catheter tip and stretch in the leather strap pipe tip that closes outside the cylinder and realize fixedly, because the leather strap pipe has elasticity, can not lead to the chest bottle catheter to break away from because rigid activity, so on the basis that guarantees that central venous catheter and chest bottle catheter can carry out the high-speed joint, guarantee the connection stability between the two.
Preferably, the outside of the needle cylinder is provided with a convex ring part which is integrally formed with the needle cylinder, the convex ring part is provided with densely distributed convex points, and one end of the leather strip tube is fastened and fixed outside the convex ring part.
Through adopting above-mentioned technical scheme, can increase the contact friction between leather strap pipe and the cylinder with the protruding point outside of closing the leather strap pipe on the bulge loop portion, can increase the fixed firm degree of leather strap pipe when closing outside the cylinder.
Preferably, the needle cylinder is provided with an annular groove on the outside, the annular groove is connected with a pull ring in a sliding manner, the pull ring is provided with two pressing strips integrally formed with the pull ring, and the two pressing strips are used for pressing the leather strip tube.
Through adopting above-mentioned technical scheme, can drive pressfitting strip pressfitting outside the leather strap pipe when the pulling pull ring slides in cyclic annular groove, can avoid the leather strap pipe that stretches tight to close to take place to drop.
Preferably, a snap ring is fixed outside the second externally extending threaded pipe, two elastic clamping blocks are fixed in the snap ring, and two clamping grooves used for embedding the elastic clamping blocks are formed in the connecting column.
Through adopting above-mentioned technical scheme, when first external screw thread pipe screw thread to the second when stretching in the screw thread pipe outward, the elasticity fixture block on the snap ring can be embedded into the draw-in groove to can increase joint strength between them.
Preferably, an annular sealing washer is fixed to one end of the connecting column, which is far away from the threaded ring.
Through adopting above-mentioned technical scheme, the annular seal ring of spliced pole tip can increase the leakproofness of being connected between central venous catheter and the cylinder.
Preferably, two anti-skid rubber pastes are fixed on the pull ring.
Through adopting above-mentioned technical scheme, the antiskid rubber subsides on the pull ring can make things convenient for the operator to stimulate the pull ring.
Preferably, the length of the syringe is 20-28 cm.
By adopting the technical scheme, the needle cylinder with the length can not be too long or too short, and the use and material selection are more convenient.
To sum up, the utility model discloses mainly have following beneficial effect:
the central venous catheter and the thoracic bottle catheter can be conveniently and quickly connected by using the device, and the central venous catheter and the thoracic bottle catheter are not easy to separate during connection; when carrying out connection between them, the operator can be with the threaded post joint threaded connection of central venous catheter tip on the screw connects the ring, again with the first external screw thread pipe threaded connection on the spliced pole in the second on the cylinder stretches out the screwed pipe outward, later the operator can insert the taper plug of chest bottle catheter tip and stretch in the leather strap pipe tip that closes outside the cylinder and realize fixedly, because the leather strap pipe has elasticity, can not lead to the chest bottle catheter to break away from because rigid activity, so on the basis that guarantees that central venous catheter and chest bottle catheter can carry out the high-speed joint, guarantee the connection stability between the two.
Drawings
FIG. 1 is a schematic view of the connector of the central venous catheter and the thoracic bottle catheter;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a sectional view of the structure of the connector of the central venous catheter and the thoracic bottle catheter;
FIG. 4 is an enlarged view at B in FIG. 3;
fig. 5 is an enlarged view at C in fig. 3.
Reference numerals: 1. a central venous catheter; 2. a thoracic bottle conduit; 3. a threaded post joint; 4. a tapered joint; 5. a threaded connection ring; 6. connecting columns; 7. a first externally extending threaded pipe; 8. a needle cylinder; 9. a second externally extending threaded pipe; 10. a strap tube; 11. a projecting ring portion; 12. protruding points; 13. an annular groove; 14. a pull ring; 15. pressing the strips; 16. a snap ring; 17. an elastic clamping block; 18. a card slot; 19. an annular sealing gasket; 20. antiskid rubber pastes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, 3 and 4, a connector for a central venous catheter and a thoracic bottle catheter comprises a threaded column connector 3 fixed at the end of the central venous catheter 1 and a conical connector 4 fixed at the end of the thoracic bottle catheter 2, in order to conveniently and stably connect the central venous catheter 1 and the thoracic bottle catheter 2, a threaded ring 5 is screwed outside the threaded column connector 3, a connecting column 6 is fixed at one end of the threaded ring 5 far away from the threaded column connector 3, a first externally extending threaded pipe 7 integrally formed with the connecting column 6 is arranged at the end of the connecting column 6, a syringe 8 is connected at the end of the first externally extending threaded pipe 7, an opening is arranged at one end of the syringe 8, a second externally extending threaded pipe 9 integrally formed with the syringe 8 is arranged at the other end of the syringe 8, the first externally extending threaded pipe 7 is screwed in the second externally extending threaded pipe 9, and the central venous catheter can be connected when the first externally extending threaded pipe 7 is screwed in the second externally extending threaded pipe 9 The tube 1 is connected and fixed with the needle cylinder 8; in order to connect the thoracic bottle duct 2 to the needle cylinder 8, a leather strip tube 10 is fixed outside the needle cylinder 8 in a stretching way, and the conical connector 4 is inserted into one end of the leather strip tube 10 far away from the needle cylinder 8.
Referring to fig. 1, 2 and 5, in order to improve the stability of the fastening of the welt tube 10 to the outside of the needle cylinder 8, a protruding ring portion 11 integrally formed with the needle cylinder 8 is provided on the outside of the needle cylinder 8, wherein protruding points 12 are densely distributed on the protruding ring portion 11, one end of the welt tube 10 is fastened and fixed to the outside of the protruding ring portion 11, and fastening the welt tube 10 to the outside of the protruding points 12 on the protruding ring portion 11 can increase the contact friction force between the welt tube 10 and the needle cylinder 8 and can increase the fastening firmness of the welt tube 10 fastened to the outside of the needle cylinder 8; meanwhile, an annular groove 13 is formed in the outer portion of the needle cylinder 8, a pull ring 14 is connected in the annular groove 13 in a sliding mode, two pressing strips 15 integrally formed with the pull ring 14 are arranged on the pull ring 14, the two pressing strips 15 are used for pressing the leather strip pipe 10, when the pull ring 14 is pulled to slide in the annular groove 13, the pressing strips 15 can be driven to be pressed outside the leather strip pipe 10, and the phenomenon that the stretched leather strip pipe 10 falls off can be avoided.
Referring to fig. 3 and 4, in order to improve the stability of the central venous catheter 1 fixed outside the needle cylinder 8, a snap ring 16 is fixed outside the second externally-extending threaded pipe 9, two elastic clamping blocks 17 are fixed inside the snap ring 16, two clamping grooves 18 for the elastic clamping blocks 17 to be embedded into are formed in the connecting column 6, and when the first externally-extending threaded pipe 7 is screwed into the second externally-extending threaded pipe 9, the elastic clamping blocks 17 on the snap ring 16 can be embedded into the clamping grooves 18, so that the connection strength of the two can be improved; in order to improve the connection tightness, an annular sealing washer 19 is fixed at one end of the connecting column 6 far away from the screw thread connecting ring 5, and the annular sealing washer 19 at the end part of the connecting column 6 can increase the connection tightness between the central venous catheter 1 and the needle cylinder 8.
Referring to fig. 1 and 2, two anti-slip rubber stickers 20 are fixed on the pull ring 14, and the anti-slip rubber stickers 20 on the pull ring 14 can facilitate the operator to pull the pull ring 14; wherein the length of the needle cylinder 8 is 25cm, the needle cylinder 8 with the length is neither too long nor too short, and the use and the material selection are convenient.
The use principle and the advantages are as follows: the central venous catheter 1 and the thoracic bottle catheter 2 can be conveniently and rapidly connected by using the device, and the central venous catheter 1 and the thoracic bottle catheter 2 are not easy to separate during connection; when carrying out connection between the two, the operator can be with the threaded column joint 3 threaded connection of 1 tip of central venous catheter on the ring 5 is connect to the screw thread, again with the first external screw thread pipe 7 threaded connection on the spliced pole 6 in the second external screw thread pipe 9 on the cylinder 8, later the operator can insert the toper plug of thoracic bottle pipe 2 tip and stretch into tightening and realize fixedly at the outside leather strap pipe 10 tip of cylinder 8, because leather strap pipe 10 has elasticity, can not lead to thoracic bottle pipe 2 to break away from because of rigid activity, so on the basis that central venous catheter 1 and thoracic bottle pipe 2 can carry out the high-speed joint guaranteeing connection stability between the two.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a connector of central venous catheter and thoracic bottle pipe, includes fixes at threaded post joint (3) of central venous catheter (1) tip and fixes at conical joint (4) of thoracic bottle pipe (2) tip which characterized in that: further comprising:
the threaded connection ring (5) is in threaded connection with the outer portion of the threaded column connector (3), a connecting column (6) is fixed to one end, away from the threaded column connector (3), of the threaded connection ring (5), and a first externally-extending threaded pipe (7) integrally formed with the connecting column (6) is arranged at the end portion of the connecting column (6);
a needle cylinder (8) connected with the first externally-extending threaded pipe (7), wherein one end of the needle cylinder (8) is provided with an opening, the other end of the needle cylinder (8) is provided with a second externally-extending threaded pipe (9) integrally formed with the needle cylinder (8), and the first externally-extending threaded pipe (7) is in threaded connection with the second externally-extending threaded pipe (9);
and the leather strip tube (10) is fixedly stretched outside the needle cylinder (8), and the conical joint (4) is inserted into one end, far away from the needle cylinder (8), of the leather strip tube (10).
2. A central venous catheter to thoracic bottle catheter connector as defined in claim 1 wherein: the outer portion of the needle cylinder (8) is provided with a protruding ring portion (11) which is integrally formed with the needle cylinder (8), the protruding ring portion (11) is provided with densely distributed protruding points (12), and one end of the leather strip tube (10) is fastened and fixed to the outer portion of the protruding ring portion (11).
3. A central venous catheter to thoracic bottle catheter connector as defined in claim 1 wherein: an annular groove (13) is formed in the outer portion of the needle cylinder (8), a pull ring (14) is connected to the annular groove (13) in a sliding mode, two pressing strips (15) which are integrally formed with the pull ring (14) are arranged on the pull ring (14), and the two pressing strips (15) are used for pressing the leather strip tube (10).
4. A central venous catheter to thoracic bottle catheter connector as defined in claim 1 wherein: the outer part of the second outer-extending threaded pipe (9) is fixed with a clamping ring (16), two elastic clamping blocks (17) are fixed in the clamping ring (16), and two clamping grooves (18) used for embedding the elastic clamping blocks (17) are formed in the connecting column (6).
5. A central venous catheter to thoracic bottle catheter connector as defined in claim 1 wherein: an annular sealing washer (19) is fixed at one end of the connecting column (6) far away from the threaded connecting ring (5).
6. A central venous catheter to thoracic bottle catheter connector as defined in claim 3 wherein: two anti-skid rubber pastes (20) are fixed on the pull ring (14).
7. A central venous catheter to thoracic bottle catheter connector as defined in claim 1 wherein: the length of the needle cylinder (8) is 20-28 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921509743.6U CN210873745U (en) | 2019-09-11 | 2019-09-11 | Connector of central venous catheter and thoracic bottle catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921509743.6U CN210873745U (en) | 2019-09-11 | 2019-09-11 | Connector of central venous catheter and thoracic bottle catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210873745U true CN210873745U (en) | 2020-06-30 |
Family
ID=71329974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921509743.6U Expired - Fee Related CN210873745U (en) | 2019-09-11 | 2019-09-11 | Connector of central venous catheter and thoracic bottle catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210873745U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11147959B1 (en) | 2021-03-31 | 2021-10-19 | Jason Lakis | Syringe apparatus for disinfection of central line port needleless connector and method of disinfecting a central line port needleless connector |
| CN114377252A (en) * | 2022-01-17 | 2022-04-22 | 达州职业技术学院 | Anti-drop atomizing treatment face guard that paediatrics was used |
-
2019
- 2019-09-11 CN CN201921509743.6U patent/CN210873745U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11147959B1 (en) | 2021-03-31 | 2021-10-19 | Jason Lakis | Syringe apparatus for disinfection of central line port needleless connector and method of disinfecting a central line port needleless connector |
| CN114377252A (en) * | 2022-01-17 | 2022-04-22 | 达州职业技术学院 | Anti-drop atomizing treatment face guard that paediatrics was used |
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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 |
Granted publication date: 20200630 Termination date: 20210911 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |