CN204910457U - Subcutaneous formula multicavity associated drainage catheter that moves under water - Google Patents
Subcutaneous formula multicavity associated drainage catheter that moves under water Download PDFInfo
- Publication number
- CN204910457U CN204910457U CN201520658741.9U CN201520658741U CN204910457U CN 204910457 U CN204910457 U CN 204910457U CN 201520658741 U CN201520658741 U CN 201520658741U CN 204910457 U CN204910457 U CN 204910457U
- Authority
- CN
- China
- Prior art keywords
- main body
- drainage
- catheter
- catheter main
- under water
- Prior art date
- 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
Links
Landscapes
- External Artificial Organs (AREA)
Abstract
The utility model provides a subcutaneous formula multicavity associated drainage catheter that moves under water, relates to medical instrument technical field, and including pipe main part, drainage branch pipe, its characterized in that pipe main part and drainage branch pipe be through connecting device swing joint, connecting device include the connecting seat and connect the lock nut, be equipped with the connection screw in connecting the lock nut rear portion, be equipped with and be connected the toper locking hole that the screw links to each other in connecting the lock nut front portion, connect the patient far away that the lock nut established in the pipe main part through toper locking borehole jack and serve, be equipped with in the connecting seat with the pipe main part in drainage chamber matched with be connected the chamber, the drainage branch pipe with be connected the tip behind the connecting seat of establishing that the chamber is linked together, be equipped with on the outer wall of connecting seat and be connected screw matched with external screw thread, the connecting seat front end be equipped with with be connected the chamber link to each other, with the drainage chamber grafting complex of the pipe main part pipe of pegging graft. The utility model discloses simple structure, low cost, convenient to use, the greatly reduced postoperative infects the probability.
Description
Technical field
The present invention relates to technical field of medical instruments, say it is that a kind of structure is simple, with low cost, easy to use in detail, greatly reduce the subcutaneous formula multi-cavity drainage catheter that moves under water of postoperative infection probability.
Background technology
We know, the structure of the existing multi-cavity drainage catheter for neural inside and outside section of hospital or brain section Clinical practice is: be provided with catheter main body, be provided with at least two drainage lumens be arranged in parallel in catheter main body, catheter main body patient end tube wall is provided with the through hole be communicated with drainage lumens; Catheter main body be provided with at least two drain arms away from patient end, a drain arm is connected with a drainage lumens, and drain arm is provided with liquid stopping clamp, female Luer for drain, sampling and injection, and female Luer is provided with calparine cap.During use, the patient end of catheter main body is inserted the lesions position needing drain, be connected with drainage bag through female Luer, carry out drain by the drain arm of (master) drainage lumens, the drain arm of other drainage lumens may be used for sampling, rinses or measure accurately the pressure of drain site.Clinically show, drain infection probability increases along with the prolongation of drainage time, and sets up hypodermic tunnel, and fixing drainage catheter away from wound place can reduce postoperative infection greatly.Only have single chamber drainage catheter just can carry out subcutaneous operation of moving under water in the clinical drainage of the inside and outside section of current nerve or brain section, its subcutaneous process of moving under water is: single chamber drainage catheter connect subcutaneous pull needle end away from patient end, use subcutaneous pull needle to drive single chamber drainage catheter to move under water subcutaneous.And multi-cavity drainage catheter is owing to being provided with at least two drain arms away from patient end, drain arm is provided with the parts such as liquid stopping clamp, female Luer, after causing patient end to insert lesions position, patient end far away cannot subcutaneously again move under water outside lead body, causes infection probability greatly to increase.
Summary of the invention
The object of the invention is to solve above-mentioned the deficiencies in the prior art, provide a kind of structure simple, with low cost, easy to use, greatly reduce the subcutaneous formula multi-cavity drainage catheter that moves under water of postoperative infection probability.
The present invention solves the technical scheme that above-mentioned the deficiencies in the prior art adopt:
A kind of subcutaneous formula multi-cavity drainage catheter that moves under water, comprise catheter main body, drain arm, it is characterized in that catheter main body is flexibly connected through connecting device with drain arm, described connecting device comprises Connection Block and is connected lock nut, connect in lock nut rear portion and be provided with connecting screw hole, connect in lock nut front portion and be provided with the taper lock tieholen be connected with connecting screw hole, connect lock nut and be located on the patient end far away of catheter main body through cone locking borehole jack; The connection chamber matched with the drainage lumens in catheter main body is provided with in Connection Block, what drain arm was connected with connection chamber is located at Connection Block rearward end, the outer wall of Connection Block is provided with the external screw thread matched with connecting screw hole, and Connection Block front end is provided with the insertion pipe being connected with connection chamber, coordinating with the drainage lumens grafting of catheter main body.
The external diameter of the insertion pipe described in the present invention is greater than the internal diameter of the drainage lumens coordinated with it.Insertion pipe plays the effect that tensioner is fixed, is communicated with drainage lumens and drain arm.
Insertion pipe described in the present invention is tapered, the external diameter of insertion pipe front end and the internal diameter external diameter that is equal, rear end of drainage lumens coordinated with it be the 1.1-1.3 of the internal diameter of the drainage lumens coordinated with it doubly.Preferred version is: the external diameter of insertion pipe front end and the internal diameter external diameter that is equal, rear end of drainage lumens coordinated with it are 1.1 times of the internal diameter of the drainage lumens coordinated with it.
The internal diameter of the taper lock tieholen front end described in the present invention is 0.9-1.1 times of catheter main body external diameter, the internal diameter of taper lock tieholen rear end is 1-1.5 times of catheter main body external diameter, preferred version is: the internal diameter of taper slide opening front end is identical with catheter main body external diameter, and the internal diameter of taper slide opening rear end is 1.2 times of catheter main body external diameter.
Be provided with in taper lock tieholen rear portion described in the present invention, with insertion pipe opposite position and there is flexible hold-down ring.Hold-down ring can be polyethylene ring or rubber ring, and when insertion pipe insertion drainage lumens, catheter main body outwards expand, Compliant pressure ring produces the outer wall of catheter main body and tightens effect, and insertion pipe and drainage lumens inwall are fitted completely, improves the sealing of junction.
The present invention in use, by catheter main body under connecting the dismounting of lock nut place, after coordinating guiding draw point that the patient end of catheter main body is inserted lesions position, catheter main body connects subcutaneous pull needle end away from patient end, uses subcutaneous pull needle to drive catheter main body to move under water subcutaneous.After completing subcutaneous moving under water, by connect lock nut be enclosed within catheter main body away from patient end, make stretching out on rear side of connecting screw hole away from patient end of catheter main body, be inserted therein after drainage lumens corresponding on catheter main body for insertion pipe is aimed at.Slide backward connect lock nut, make it contact with Connection Block after tighten connection, in this process, catheter main body fully compresses, makes to be tightly connected between insertion pipe and catheter main body by taper lock tieholen.Present invention achieves multi-cavity drainage catheter and carry out subcutaneous function of moving under water, there is structure simple, with low cost, easy to use, greatly reduce the advantages such as postoperative infection.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A place partial enlarged drawing of Fig. 1.
Decomposition texture schematic diagram of the present invention during Fig. 3.
Fig. 4 is the B place partial enlarged drawing of Fig. 3.
Detailed description of the invention
The subcutaneous formula multi-cavity drainage catheter that moves under water as Figure 1-4, comprise catheter main body 2, drain arm 6, catheter main body 2 leading section is provided with the through hole 1 be communicated with drainage lumens 7, as can be seen from the figure, this multi-cavity drainage catheter is three chamber drainage catheters, the rear end of catheter main body is provided with three drain arms, every root drain arm is connected with a drainage lumens 7, drain arm is provided with liquid stopping clamp, female Luer for drain, sampling and injection, catheter main body is provided with ring for fixing 3, during use, for A/C main body, make its nonvoluntary movement.Said structure is prior art, repeats no more.The invention is characterized in that catheter main body 2 is flexibly connected through connecting device with drain arm 6, described connecting device comprises Connection Block 5 and is connected lock nut 4, connect in lock nut 4 rear portion and be provided with connecting screw hole, to connect in lock nut 4 front portion to be provided with and be connected with connecting screw hole, diameter becomes large taper lock tieholen 9 gradually from front to back, connects lock nut 4 and is set on the patient end far away (rear end) of catheter main body 2 through taper lock tieholen 9; In Connection Block, 5 are provided with and the drainage lumens 7(quantity in catheter main body 2 and position) connection chamber that matches, what drain arm 6 was connected with connection chamber is located at Connection Block 5 rearward end, the outer wall of Connection Block 5 leading section is provided with the external screw thread matched with connecting screw hole, and Connection Block front end is provided with the insertion pipe 10 being connected with connection chamber, coordinating with the drainage lumens grafting of catheter main body.The external diameter of insertion pipe 10 is greater than the internal diameter of the drainage lumens coordinated with it.Insertion pipe plays the effect that tensioner is fixed, is communicated with drainage lumens and drain arm.Insertion pipe is tapered, the external diameter of insertion pipe front end and the internal diameter external diameter that is equal, rear end of drainage lumens coordinated with it be the 1.1-1.3 of the internal diameter of the drainage lumens coordinated with it doubly.Preferred version is: the external diameter of insertion pipe front end and the internal diameter external diameter that is equal, rear end of drainage lumens coordinated with it are 1.1 times of the internal diameter of the drainage lumens coordinated with it.Grafting is convenient, connects more firm.The internal diameter of the taper lock tieholen front end described in invention is 0.9-1.1 times of catheter main body external diameter, the internal diameter of taper lock tieholen rear end is 1-1.5 times of catheter main body external diameter, preferred version is: the internal diameter of taper slide opening front end is identical with catheter main body external diameter, and the internal diameter of taper slide opening rear end is 1.2 times of catheter main body external diameter.
The present invention improves further, is provided with and has flexible hold-down ring 8 in described taper lock tieholen rear portion, with insertion pipe opposite position.Hold-down ring 8 can be polyethylene ring or rubber ring, and when insertion pipe insertion drainage lumens, catheter main body outwards expand, Compliant pressure ring produces the outer wall of catheter main body and tightens effect, and insertion pipe and drainage lumens inwall are fitted completely, improves the sealing of junction.
The present invention in use, by catheter main body under connecting the dismounting of lock nut place, after coordinating guiding draw point that the patient end of catheter main body is inserted lesions position, catheter main body connects subcutaneous pull needle end away from patient end, uses subcutaneous pull needle to drive catheter main body to move under water subcutaneous.After completing subcutaneous moving under water, by connect lock nut be enclosed within catheter main body away from patient end, make stretching out on rear side of connecting screw hole away from patient end of catheter main body, be inserted therein after drainage lumens corresponding on catheter main body for insertion pipe is aimed at.Slide backward connect lock nut, make it contact with Connection Block after tighten connection, in this process, catheter main body fully compresses, makes to be tightly connected between insertion pipe and catheter main body by taper lock tieholen.Present invention achieves multi-cavity drainage catheter and carry out subcutaneous function of moving under water, there is structure simple, with low cost, easy to use, greatly reduce the advantages such as postoperative infection.
Claims (5)
1. the subcutaneous formula multi-cavity drainage catheter that moves under water, comprise catheter main body, drain arm, it is characterized in that catheter main body is flexibly connected through connecting device with drain arm, described connecting device comprises Connection Block and is connected lock nut, connect in lock nut rear portion and be provided with connecting screw hole, connect in lock nut front portion and be provided with the taper lock tieholen be connected with connecting screw hole, connect lock nut and be located on the patient end far away of catheter main body through cone locking borehole jack; The connection chamber matched with the drainage lumens in catheter main body is provided with in Connection Block, what drain arm was connected with connection chamber is located at Connection Block rearward end, the outer wall of Connection Block is provided with the external screw thread matched with connecting screw hole, and Connection Block front end is provided with the insertion pipe being connected with connection chamber, coordinating with the drainage lumens grafting of catheter main body.
2. the subcutaneous formula multi-cavity drainage catheter that moves under water according to claim 1, is characterized in that the external diameter of described insertion pipe is greater than the internal diameter of the drainage lumens coordinated with it.
3. the subcutaneous formula multi-cavity drainage catheter that moves under water according to claim 1, it is characterized in that described insertion pipe is tapered, the external diameter of insertion pipe front end and the internal diameter external diameter that is equal, rear end of drainage lumens coordinated with it be the 1.1-1.3 of the internal diameter of the drainage lumens coordinated with it doubly.
4. the subcutaneous formula multi-cavity drainage catheter that moves under water according to claim 1, it is characterized in that the internal diameter of described taper lock tieholen front end is 0.9-1.1 times of catheter main body external diameter, the internal diameter of taper lock tieholen rear end is 1-1.5 times of catheter main body external diameter.
5. the subcutaneous formula multi-cavity drainage catheter that moves under water according to claim 1, is characterized in that being provided with in described taper lock tieholen rear portion, with insertion pipe opposite position to have flexible hold-down ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520658741.9U CN204910457U (en) | 2015-08-28 | 2015-08-28 | Subcutaneous formula multicavity associated drainage catheter that moves under water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520658741.9U CN204910457U (en) | 2015-08-28 | 2015-08-28 | Subcutaneous formula multicavity associated drainage catheter that moves under water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204910457U true CN204910457U (en) | 2015-12-30 |
Family
ID=54959644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520658741.9U Active CN204910457U (en) | 2015-08-28 | 2015-08-28 | Subcutaneous formula multicavity associated drainage catheter that moves under water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204910457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105031802A (en) * | 2015-08-28 | 2015-11-11 | 威海威创医疗器械有限公司 | Subcutaneous sneaking type multi-cavity drainage catheter |
-
2015
- 2015-08-28 CN CN201520658741.9U patent/CN204910457U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105031802A (en) * | 2015-08-28 | 2015-11-11 | 威海威创医疗器械有限公司 | Subcutaneous sneaking type multi-cavity drainage catheter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1688352A (en) | Multi-lumen catheter with integrated connector | |
| CN201939855U (en) | Acupuncture-prevention venous retention needle | |
| CN201001901Y (en) | Positive pressure needle-free connecting type indwelling needle | |
| CN204910457U (en) | Subcutaneous formula multicavity associated drainage catheter that moves under water | |
| CN203935469U (en) | Front end visible blood-flow remaining needle with threeway | |
| CN206473380U (en) | Adjustable arteriovenous puncture needle and indwelling sleeve matched with same | |
| CN105031802A (en) | Subcutaneous sneaking type multi-cavity drainage catheter | |
| CN202459843U (en) | Connection device for pre-rinsing peripherally inserted central venous catheter | |
| CN201033192Y (en) | Needle for remaining in vein having positive pressure joint | |
| CN211751353U (en) | Connecting device for central venous catheter and drainage bag | |
| CN211583402U (en) | Clinical drainage puncture ware of intracardiac branch of academic or vocational study | |
| CN204192599U (en) | Integral type arterypuncture pressure tester | |
| CN207101297U (en) | Endoscope with medicine injection tube | |
| CN204017111U (en) | Multi-cavity drainage from indwelling irrigating catheter device | |
| CN209107693U (en) | Multi-cavity air flue radiography wire catheter for conveying Y type airway stent is set with | |
| CN201231004Y (en) | Improved thorax lien needle for internal medicine | |
| CN202409157U (en) | Guide tube of interventional surgery puncture needle | |
| CN204601280U (en) | Shell fragment locking type disposable endoscope entry needle | |
| CN110755138A (en) | Multi-cavity tearable radiography sheath tube | |
| CN212090478U (en) | Multipurpose catheter | |
| CN201492762U (en) | Syringe capable of guiding guide wires therein | |
| CN2877747Y (en) | Cardiovascular intervention anti-reverse guiding device | |
| CN211749929U (en) | Multi-cavity tearable radiography sheath tube | |
| CN201353364Y (en) | Universal thoracic indwelling drainage tube | |
| CN219290414U (en) | Needle-free joint three-cavity catheter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |