CN203577002U - Medical puncture drainage apparatus - Google Patents
Medical puncture drainage apparatus Download PDFInfo
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- CN203577002U CN203577002U CN201320593516.2U CN201320593516U CN203577002U CN 203577002 U CN203577002 U CN 203577002U CN 201320593516 U CN201320593516 U CN 201320593516U CN 203577002 U CN203577002 U CN 203577002U
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- inner tube
- outer tube
- medical
- drainage device
- stage casing
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Abstract
The utility model discloses a medical puncture drainage apparatus. The drainage apparatus comprises a drainage hose, an inner tube and an outer tube, wherein the outer tube is sleeved on the inner tube, and the tail end of the inner tube is hermetically connected with the drainage hose; the drainage apparatus further comprises a pushing device, wherein the outer tube is provided with a head end fixing part, a terminal sliding part and a longitudinally increased middle section deformation part, the head end fixing part is fixedly connected with the inner tube, and the terminal sliding part and the middle section deformation part can slide corresponding to the inner tube; the pushing device is arranged at the tail part of the inner tube, and is fixedly connected with the outer tube so that the terminal sliding part and the middle section deformation are pushed to slide corresponding to the inner tube through the pushing device and the middle section deformation part is fixedly clamped on human tissues by increasing the radial dimension of the middle section deformation part. According to the medical puncture drainage apparatus, the outer tube is firmly clamped on human tissues, the phenomenon of displacement, falling off and cut infection caused by friction generated unstable fixed connection in a draining process can be prevented.
Description
Technical field
This utility model relates to a kind of medical thrust drainage device, belongs to technical field of medical instruments.
Background technology
Advantages such as at present, along with the universal of intervention apparatus and application, its wounds is little, pain light, recover fast, and risk is low and be subject to doctor and patient's consistent favorable comment.Puncture drainage was to say that drainage catheter directly inserts lesions position and carries out negative pressure drainage in the past, owing to there is no good stable fixture between pipe and the edge of a knife, often there is catheter displacement, come off and cause the phenomenons such as incision infection owing to being fixedly connected with not firm mutual generation friction.
Summary of the invention
Technical problem to be solved in the utility model is the defect that overcomes prior art, a kind of medical thrust drainage device is provided, it can make outer tube be stuck in securely in tissue, avoid being shifted in drain process, come off with owing to being fixedly connected with not firm mutual generation friction and causing the phenomenon of incision infection.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: a kind of medical thrust drainage device, comprise conduction hose, inner and outer tubes, outer tube sleeve fills on inner pipe, tail end and the conduction hose of inner tube are tightly connected, also comprise thrust unit, described outer tube has head end fixed part, end sliding part and the stage casing variant part that can radially increase, head end fixed part is fixedly connected with inner tube, end sliding part and stage casing variant part can slide with respect to inner tube, thrust unit is arranged on the afterbody of inner tube, and be fixedly connected with outer tube so that thrust unit promotion end sliding part inner tube relative to stage casing variant part slided and make stage casing variant part radial dimension increase fixing in tissue.
Further, described thrust unit comprises cam pedestal, eccentric cam and slider disc, cam pedestal is arranged on the afterbody of inner tube, slider disc is fixedly connected on the tail end of outer tube, eccentric cam is hinged on cam pedestal, and eccentric cam coordinates with slider disc contact to be fixed in tissue so that the end sliding part inner tube relative to stage casing variant part that rotating eccentricity cam makes slider disc promote outer tube slided and stage casing variant part radial dimension is increased.
Further, the tail end of described conduction hose is provided with female Luer to be connected with negative pressure equipment.
Further, on the outer wall of the stage casing variant part of described outer tube is axial, have groove, week upwards has stress deformation gap.
Further, described inner tube has tip, exposes imbibition portion and be embedded in portion, exposes in imbibition portion and has imbibing hole, and the portion plug-in mounting of being embedded within the outer tube.
Further, described conduction hose interference fit or be adhesive in the tail end of inner tube.
Further, described inner tube is made by medical stainless steel material or titanium alloy material.
Further, described outer tube, conduction hose and thrust unit are made by medical macromolecular materials.
Further, the quantity of described groove is 2 ~ 4, and the quantity of described stress deformation gap is 3 ~ 5.
Further, described female Luer is made by medical macromolecular materials.
Adopted after technique scheme, thrust unit action, make the end sliding part of outer tube and stage casing variant part with respect to inner tube to front slide, thereby the radial dimension of stage casing variant part is outwards increased, thereby fix in tissue, so just avoided being shifted at drain process middle external tube, come off with owing to being fixedly connected with not firm mutual generation friction and causing the phenomenon of incision infection, after drain, can make stage casing variant part retraction, reply as tubulose docile is on the surface of inner tube, depart from tissue; Thrust unit of the present utility model adopts the fit structure of eccentric cam and slider disc, and this structure is laborsaving, and with self-locking function, very convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of medical thrust drainage device of the present utility model;
Fig. 2 is the top view of Fig. 1.
The specific embodiment
For content of the present utility model is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, this utility model is described in further detail below,
As Fig. 1, shown in 2, a kind of medical thrust drainage device, comprise conduction hose 7, inner tube 1 and outer tube 2, outer tube 2 is sleeved in inner tube 1, the tail end of inner tube 1 and conduction hose 7 are tightly connected, also comprise thrust unit, outer tube 2 has head end fixed part 2-1, end sliding part 2-3 and the stage casing variant part 2-2 that can radially increase, head end fixed part 2-1 is fixedly connected with inner tube 1, end sliding part 2-3 and stage casing variant part 2-2 can slide with respect to inner tube 1, thrust unit is arranged on the afterbody of inner tube 1, and be fixedly connected with outer tube 2 so that thrust unit promotion end sliding part 2-3 inner tube 1 relative to stage casing variant part 2-2 slided and make stage casing variant part 2-2 radial dimension increase fixing in tissue.Thrust unit action, make the end sliding part 2-3 of outer tube 2 and stage casing variant part 2-2 with respect to inner tube 1 to front slide, thereby the radial dimension of stage casing variant part 2-2 is outwards increased, thereby fix in tissue, so just avoided being shifted at drain process middle external tube 2, come off with owing to being fixedly connected with not firm mutual generation friction and causing the phenomenon of incision infection, after drain, can make stage casing variant part 2-2 retraction, reply as tubulose docile is on the surface of inner tube 1, depart from tissue.
As shown in Figure 1, thrust unit can be structure below, thrust unit comprises cam pedestal 6, eccentric cam 4 and slider disc 3, cam pedestal 6 is arranged on the afterbody of inner tube 1, slider disc 3 is fixedly connected on the tail end of outer tube 2, eccentric cam 4 is hinged on cam pedestal 6 by camshaft 5, and eccentric cam 4 coordinates with slider disc 3 contacts so that the end sliding part 2-3 inner tube 1 relative to stage casing variant part 2-2 that rotating eccentricity cam 4 makes slider disc 3 promote outer tube 2 slided and make stage casing variant part 2-2 radial dimension increase fixing in tissue.This kind of structure, with self-locking function, is connected to form eccentric rotary and the part that is locked by camshaft 5, to play, promotes the slip of slider disc 3 and fixes.
As shown in Figure 1, the tail end of conduction hose 7 is provided with female Luer 8 to be connected with negative pressure equipment.
As shown in Figure 1, 2, on the outer wall of the stage casing variant part 2-2 of outer tube 2 is axial, have groove, week upwards has stress deformation gap.When being subject to outer tube 2 and being subject to thrust forward, this stage casing variant part 2-2 can produce flexural deformation at stress deformation opening position, realization radially struts and struts shape and can be triangle, door shape and trapezoidal, and when under tension, variant part 2-2 in stage casing can reply as tubulose docile is on the surface of inner tube 1.
As shown in Figure 1, inner tube 1 has tip 1-1, exposes the 1-2 of imbibition portion and be embedded in the 1-3 of portion, exposes on the 1-2 of imbibition portion and has imbibing hole 1-2-1, and the portion 1-3 of being embedded in is inserted in outer tube 2.
Conduction hose 7 interference fit or be adhesive in the tail end of inner tube 1.Interference fit can utilize self elastic contractile force of conduction hose 7 to be closely sleeved on the tail end of inner tube 1, gluingly can adopt the tight connected mode of optic-solidified adhesive.
Inner tube 1 is made by medical stainless steel material or titanium alloy material, but is not limited to this.
The quantity of groove is 2 ~ 4, and the quantity of stress deformation gap is 3 ~ 5, but is not limited to this.
This medical thrust drainage device has installs simply, and accurate positioning, fixes stablely, and the imbibition that can meet each position is used, and can realize puncture, fixes, the clinical manipulation such as drain, cleaning, injectable drug.
Above-described specific embodiment; technical problem, technical scheme and beneficial effect that this utility model is solved further describe; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to this utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a medical thrust drainage device, comprise conduction hose (7), inner tube (1) and outer tube (2), outer tube (2) is sleeved in inner tube (1), the tail end of inner tube (1) and conduction hose (7) are tightly connected, it is characterized in that: also comprise thrust unit, described outer tube (2) has head end fixed part (2-1), end sliding part (2-3) and the stage casing variant part (2-2) that can radially increase, head end fixed part (2-1) is fixedly connected with inner tube (1), end sliding part (2-3) and stage casing variant part (2-2) can slide with respect to inner tube (1), thrust unit is arranged on the afterbody of inner tube (1), and be fixedly connected with outer tube (2) so that thrust unit promotes end sliding part (2-3) and the relative inner tube of stage casing variant part (2-2) (1) is slided and make stage casing variant part (2-2) radial dimension increase fixing in tissue.
2. medical thrust drainage device according to claim 1, it is characterized in that: described thrust unit comprises cam pedestal (6), eccentric cam (4) and slider disc (3), cam pedestal (6) is arranged on the afterbody of inner tube (1), slider disc (3) is fixedly connected on the tail end of outer tube (2), eccentric cam (4) is hinged on cam pedestal (6), eccentric cam (4) coordinates with slider disc (3) contact to be fixed in tissue so that rotating eccentricity cam (4) makes slider disc (3) promote the end sliding part (2-3) of outer tube (2) and the relative inner tube of stage casing variant part (2-2) (1) is slided and stage casing variant part (2-2) radial dimension is increased.
3. medical thrust drainage device according to claim 1, is characterized in that: the tail end of described conduction hose (7) is provided with female Luer (8) to be connected with negative pressure equipment.
4. medical thrust drainage device according to claim 1, is characterized in that: the outer wall of the stage casing variant part (2-2) of described outer tube (2) has groove on axially, and week upwards has stress deformation gap.
5. medical thrust drainage device according to claim 1, it is characterized in that: described inner tube (1) has tip (1-1), exposes imbibition portion (1-2) and is embedded in portion (1-3), expose in imbibition portion (1-2) and have imbibing hole (1-2-1), be embedded in portion (1-3) and be inserted in outer tube (2).
6. medical thrust drainage device according to claim 1, is characterized in that: described conduction hose (7) interference fit or be adhesive in the tail end of inner tube (1).
7. medical thrust drainage device according to claim 1, is characterized in that: described inner tube (1) is made by medical stainless steel material or titanium alloy material.
8. medical thrust drainage device according to claim 1, is characterized in that: described outer tube (2), conduction hose (7) and thrust unit are made by medical macromolecular materials.
9. medical thrust drainage device according to claim 4, is characterized in that: the quantity of described groove is 2 ~ 4, and the quantity of described stress deformation gap is 3 ~ 5.
10. medical thrust drainage device according to claim 3, is characterized in that: described female Luer (8) is made by medical macromolecular materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320593516.2U CN203577002U (en) | 2013-09-25 | 2013-09-25 | Medical puncture drainage apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320593516.2U CN203577002U (en) | 2013-09-25 | 2013-09-25 | Medical puncture drainage apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203577002U true CN203577002U (en) | 2014-05-07 |
Family
ID=50574986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320593516.2U Expired - Fee Related CN203577002U (en) | 2013-09-25 | 2013-09-25 | Medical puncture drainage apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203577002U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103463724A (en) * | 2013-09-25 | 2013-12-25 | 陈秋良 | Medical puncture drainage apparatus |
-
2013
- 2013-09-25 CN CN201320593516.2U patent/CN203577002U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103463724A (en) * | 2013-09-25 | 2013-12-25 | 陈秋良 | Medical puncture drainage apparatus |
| CN103463724B (en) * | 2013-09-25 | 2015-08-26 | 陈秋良 | Medical thrust drainage device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20150925 |
|
| EXPY | Termination of patent right or utility model |