CN208017844U - A kind of hd and pd catheters connection structure - Google Patents
A kind of hd and pd catheters connection structure Download PDFInfo
- Publication number
- CN208017844U CN208017844U CN201821177050.7U CN201821177050U CN208017844U CN 208017844 U CN208017844 U CN 208017844U CN 201821177050 U CN201821177050 U CN 201821177050U CN 208017844 U CN208017844 U CN 208017844U
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- CN
- China
- Prior art keywords
- transfer tube
- fixedly connected
- lateral wall
- tube
- plug
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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.)
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Abstract
The utility model discloses a kind of hd and pd catheters connection structures,Including transfer tube,The inner cavity central integration of the transfer tube has switching storehouse,The lateral wall left part of the transfer tube and the lower end of right part offer blind slot,The inner cavity front side wall and rear wall of blind slot described in left end and right end are rotatably connected to axis,The lateral wall of two axis is fixedly connected with cam,The lower end of the transfer tube is plugged with plug,The lateral wall left end and right end of the plug open up fluted,The utility model is directly sleeved on the lower end of indwelling tube on transfer tube,And it also installs screw additional to fix it,It effectively prevents during long-time use,The position that indwelling tube is connect with transfer tube is damaged,The lower end of transfer tube is socketed with plug,The other end of plug is fixedly connected with dialysis tubing,Fixed function is played to plug by cam,Not only connection speed is faster,And simple grafting is more durable compared to being threadedly coupled.
Description
Technical field
The utility model technical field of medical instrument, specially a kind of hd and pd catheters connection structure.
Background technology
Haemodialysis is one of acute or chronic renal failure kidneys of patients Replacement Therapy, and it is useless that it removes internal metabolism
Object maintains electrolyte and acid-base balance, while removing moisture excessive in vivo, and will be by the entire mistake of the blood recovery purified
Journey is known as haemodialysis, needs the patient to dialyse that can all be placed in indwelling tube by operation, every time dialysis tubing and indwelling when dialysis
Pipe is attached, and since the therapeutic frequency of dialysis patient is high, and needs to treat for a long time, thus dialysis tubing is led using frequently
Indwelling tube and fixing pipe fixing pipe junction is caused easily to bend breakage, while connecting tube and block are also easy to wear.The two ground
After side appoints-damages, indwelling tube will be unable to be continuing with, and can only replace, and still, the other end of indwelling tube is placed in patient's body, often
Secondary replacement is required to perform the operation, and patient will be caused great pain by frequently replacing, and dialysis tubing and indwelling tube connection all pass through
It is threadedly coupled, inconvenient in connection, screw thread is also easy to damage after a number of uses, for this purpose, it is proposed that a kind of dialysis
Indwelling pipe connecting structure.
Utility model content
The purpose of this utility model is to provide a kind of hd and pd catheters connection structures, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides the following technical solutions：A kind of hd and pd catheters connection structure, including
Transfer tube, the inner cavity central integration of the transfer tube have a switching storehouse, under the lateral wall left part and right part of the transfer tube
It holds and offers blind slot, the inner cavity front side wall and rear wall of blind slot described in left end and right end are rotatably connected to axis, and before axis
End extends to the outside of transfer tube through the inner cavity front side wall of blind slot, and the lateral wall of two axis is fixedly connected with cam, institute
The lower end for stating transfer tube is plugged with plug, and the lateral wall left end and right end of the plug open up fluted, two grooves
Madial wall be bonded with the lateral wall of cam.
Preferably, the lateral wall front end of two axis has been fixedly connected with connector sleeve, the rear end of two connector sleeves
It is slidably connected with the front side wall of transfer tube, the lateral wall upper end of two connector sleeves has been fixedly connected with gag lever post.
Preferably, the rear wall left end of the transfer tube and right end have been fixedly connected with fixing sleeve, two fixing sleeves
Madial wall slidably connect connecting rod, the lateral wall lower front parts of two connecting rods is fixedly connected with stop collar, two
The stop collar socket-connects with two gag lever posts respectively.
Preferably, the upper end of the transfer tube is fixedly connected with connecting tube, and the madial wall of the connecting tube slidably connects
Indwelling tube, the lateral wall lower end of the indwelling tube is integrally formed with pipe sleeve, the madial wall of the pipe sleeve and the lateral wall of connecting tube
It is slidably connected.
Preferably, the lateral wall left end of the pipe sleeve and right end offer limit hole, two equal grafting of limit hole
There is screw, with connecting tube bolt, the outer end of two screws has been fixedly connected with rotating handle for the inner end of two screws.
Preferably, the madial wall front-end and back-end of the transfer tube have been respectively fixedly connected with the first sealing ring and the second sealing
Circle.
Compared with prior art, the utility model is directly sleeved on the lower end of indwelling tube on transfer tube, and also installs additional
Screw fixes it, effectively prevents during long-time use, and the position that indwelling tube is connect with transfer tube is damaged, and turns
The lower end taken over is socketed with plug, and the other end of plug is fixedly connected with dialysis tubing, and fixed function is played to plug by cam,
No longer it is to be attached in the prior art using screw thread, not only faster, but also simple grafting is compared to being threadedly coupled for connection speed
It is more durable.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model positive structure schematic；
Fig. 3 is the utility model structure schematic diagram.
In figure：1, transfer tube, 2, switching storehouse, 3, blind slot, 4, axis, 5, cam, 6, plug, 7, groove, 8, connector sleeve, 9, limit
Position bar, 10, fixing sleeve, 11, connecting rod, 12, stop collar, 13, connecting tube, 14, indwelling tube, 15, pipe sleeve, 16, limit hole, 17,
Screw, the 18, second sealing ring, the 19, first sealing ring, 20, rotating handle.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of hd and pd catheters connection structure, including turn
The inner cavity central integration of take over 1, transfer tube 1 has switching storehouse 2, and the lateral wall left part of transfer tube 1 and the lower end of right part are opened
Equipped with blind slot 3, the inner cavity front side wall and rear wall of left end and right end blind slot 3 are rotatably connected to axis 4, and the front end of axis 4 is run through
The inner cavity front side wall of blind slot 3 extends to the outside of transfer tube 1, and the lateral wall of two axis 4 is fixedly connected with cam 5, transfer tube 1
Lower end is plugged with plug 6, and the lateral wall left end and right end of plug 6 open up fluted 7, madial wall and the cam 5 of two grooves 7
Lateral wall fitting, cam 5 rotate when, lateral wall and the groove 7 of cam 5 fit closely, and plug 6 can be driven upward,
Improve leakproofness.
Specifically, the lateral wall front end of two axis 4 has been fixedly connected with connector sleeve 8, the rear end of two connector sleeves 8 with turn
The front side wall of take over 1 is slidably connected, and the lateral wall upper end of two connector sleeves 8 has been fixedly connected with gag lever post 9, by pulling limit
Bar 9 can be rotated with moving cam 5.
Specifically, the rear wall left end and right end of transfer tube 1 have been fixedly connected with fixing sleeve 10, two fixing sleeves 10
Madial wall slidably connects connecting rod 11, and the lateral wall lower front parts of two connecting rods 11 is fixedly connected with stop collar 12, two
Stop collar 12 socket-connects with two gag lever posts 9 respectively, and stop collar 12 can only be relatively fixed set 10 and move up and down, when gag lever post 9 is inserted
When entering in stop collar 12, gag lever post 9 cannot rotate, and cam 5 can also be rotated.
Specifically, the upper end of transfer tube 1 is fixedly connected with connecting tube 13, the madial wall of connecting tube 13, which slidably connects, to be stayed
Pipe 14 is set, the lateral wall lower end of indwelling tube 14 is integrally formed with pipe sleeve 15, the lateral wall of the madial wall and connecting tube 13 of pipe sleeve 15
It is slidably connected, the lower end of indwelling tube 14 has been also connected with pipe sleeve 15, and indwelling tube 14 forms the double-deck grafting with 13 grafting of connecting tube
Structure, it is more securely and durable.
Specifically, the lateral wall left end and right end of pipe sleeve 15 offer limit hole 16, two 16 equal grafting of limit hole
There is screw 17, with 13 bolt of connecting tube, the outer end of two screws 17 has been fixedly connected with rotating handle for the inner end of two screws 17
20, when two screws 17 are spirally connected with connecting tube 13, position-limiting action can be played to pipe sleeve 15 and connecting tube 13 by limit hole 16,
Prevent pipe sleeve 15 from being slipped from 13 lateral wall of connecting tube.
Specifically, to be respectively fixedly connected with the first sealing ring 19 and second close for the madial wall front-end and back-end of transfer tube 1
The upper end of seal 18, the first sealing ring 19 is bonded with the lower end of indwelling tube 14, and the lower end of the second sealing ring 18 is bonded with plug 6,
Two sealing rings play the role of sealing.
Operation principle：By performing the operation in 14 implantation of indwelling tube, the lower end of indwelling tube 14 and 13 grafting of connecting tube
Together, two insertion limit holes 16 of screws 17 are spirally connected with connecting tube 13 and are fixed, complete the company of indwelling tube 14 and transfer tube 1
It connects, when being dialysed, the special plug 6 of dialysis tubing is inserted into transfer tube 1, two gag lever posts 9 one hundred eight are respectively pulled
Ten degree, stop collar 12 is pulled out, stop collar 12 and gag lever post 9 are connected together, then connecting rod 11 is turned back in fixing sleeve 10, it is complete
The connection of pairs of indwelling tube 14 and dialysis tubing.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of hd and pd catheters connection structure, including transfer tube（1）, it is characterised in that：The transfer tube（1）Inner cavity in the middle part of
Integrally formed with switching storehouse（2）, the transfer tube（1）Lateral wall left part and the lower end of right part offer blind slot（3）, left end
With blind slot described in right end（3）Inner cavity front side wall and rear wall be rotatably connected to axis（4）, and axis（4）Front end run through blind slot
（3）Inner cavity front side wall extend to transfer tube（1）Outside, two axis（4）Lateral wall be fixedly connected with cam（5）,
The transfer tube（1）Lower end be plugged with plug（6）, the plug（6）Lateral wall left end and right end open up it is fluted
（7）, two grooves（7）Madial wall and cam（5）Lateral wall fitting.
2. a kind of hd and pd catheters connection structure according to claim 1, it is characterised in that：Two axis（4）It is outer
Side wall front end has been fixedly connected with connector sleeve（8）, two connector sleeves（8）Rear end and transfer tube（1）Front side wall sliding
Connection, two connector sleeves（8）Lateral wall upper end be fixedly connected with gag lever post（9）.
3. a kind of hd and pd catheters connection structure according to claim 2, it is characterised in that：The transfer tube（1）After
Side wall left end and right end have been fixedly connected with fixing sleeve（10）, two fixing sleeves（10）Madial wall slidably connect connection
Bar（11）, two connecting rods（11）Lateral wall lower front part be fixedly connected with stop collar（12）, two stop collars
（12）Respectively with two gag lever posts（9）It socket-connects.
4. a kind of hd and pd catheters connection structure according to claim 1, it is characterised in that：The transfer tube（1）It is upper
End is fixedly connected with connecting tube（13）, the connecting tube（13）Madial wall slidably connect indwelling tube（14）, the indwelling tube
（14）Lateral wall lower end integrally formed with pipe sleeve（15）, the pipe sleeve（15）Madial wall and connecting tube（13）Lateral wall slide
Dynamic connection.
5. a kind of hd and pd catheters connection structure according to claim 4, it is characterised in that：The pipe sleeve（15）Outside
Wall left end and right end offer limit hole（16）, two limit holes（16）It is plugged with screw（17）, two spiral shells
Nail（17）Inner end and connecting tube（13）Bolt, two screws（17）Outer end be fixedly connected with rotating handle（20）.
6. a kind of hd and pd catheters connection structure according to claim 1, it is characterised in that：The transfer tube（1）It is interior
Side wall front-end and back-end have been respectively fixedly connected with the first sealing ring（19）With the second sealing ring（18）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821177050.7U CN208017844U (en) | 2018-07-24 | 2018-07-24 | A kind of hd and pd catheters connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821177050.7U CN208017844U (en) | 2018-07-24 | 2018-07-24 | A kind of hd and pd catheters connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208017844U true CN208017844U (en) | 2018-10-30 |
Family
ID=63911387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821177050.7U Expired - Fee Related CN208017844U (en) | 2018-07-24 | 2018-07-24 | A kind of hd and pd catheters connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208017844U (en) |
-
2018
- 2018-07-24 CN CN201821177050.7U patent/CN208017844U/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: 20181030 Termination date: 20190724 |