CN103622770B - Disposable band outer sheath fistulation system - Google Patents
Disposable band outer sheath fistulation system Download PDFInfo
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- CN103622770B CN103622770B CN201310707334.8A CN201310707334A CN103622770B CN 103622770 B CN103622770 B CN 103622770B CN 201310707334 A CN201310707334 A CN 201310707334A CN 103622770 B CN103622770 B CN 103622770B
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- outer sheath
- sheath
- human body
- holder
- fistulation
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Abstract
The invention discloses a kind of disposable band outer sheath fistulation system, the conduit solving prior art is difficult to insert in human body, and adopts syringe needle to assist to add the operation easier of medical worker and the problem of labor intensity.The present invention includes the outer sheath for inserting in human body, one end is socketed on can the holder of outer sheath slip relatively for outer sheath to be inserted in human body in outer sheath, and the end of this holder one end is cusp-shaped.Structure of the present invention is simple, can insert very smoothly in human body and play conduit effect, so as fiber endoscopy or other need the conduit equipment entered in human body to enter in human body smoothly to operate accordingly.
Description
Technical field
The present invention relates to a kind of disposable band outer sheath fistulation system.
Background technology
Existing clinical when carrying out cholelithiasis operation technique, only employing conduit enters the passage in body as fiber endoscopy often, but due to the conduit used at present be only a kind of plastic tube, its hardness is inadequate, when inserting in human body, there will be bending, cause to enter into gallbladder smoothly, even if inadequate enters gallbladder, so medical worker just adopts comparatively hard syringe needle subsidiary conduit to enter human body, but due to the diameter reason of conduit, its syringe needle must match with conduit diameter otherwise cannot insert human body, very thick by what cause syringe needle needs to do like this, general employing metal, its cost is higher, and it is heavier, add the difficulty of medical worker in operation, increase the labor intensity of medical worker, unfavorable to operation.
Summary of the invention
The object of the present invention is to provide a kind of disposable band outer sheath fistulation system, the conduit solving prior art is difficult to insert in human body, and adopts syringe needle to assist to add the operation easier of medical worker and the problem of labor intensity.
To achieve these goals, the technical solution used in the present invention is as follows:
Disposable band outer sheath fistulation system, comprises the outer sheath for inserting in human body, and one end is socketed on can the holder of outer sheath slip relatively for outer sheath to be inserted in human body in outer sheath, and the end of this holder one end is cusp-shaped; Also be socketed with the expansion sheath inserting human body for auxiliary outer sheath between described holder and outer sheath, and this expansion sheath is coniform near one end of holder cusp-shaped.
Further, described holder comprises the metal tube be socketed in expansion sheath, and to be socketed in metal tube and one end is the metal-cored of cusp-shaped.
Again further, the other end of described expansion sheath is provided with the first external screw thread, and described metal tube is provided with the nut that matches with external screw thread for metal tube and expansion sheath being fixed.
Further, the described metal-cored other end is provided with the second external screw thread, and metal tube is provided with the female thread matched with the second external screw thread near second externally threaded one end.
In order to better realize the present invention, the other end of described metal tube is also provided with fluorescence coating.
In order to outer sheath be made more smoothly to enter human body, described outer sheath outside is also socketed with for increasing the convenient peeling sheath inserted in human body of outer sheath hardness.
Preferred as one, described peeling sheath is provided with two gaps away from the sidewall of one end of holder cusp-shaped, and gap extends to the end away from cusp-shaped one end; Or described peeling sheath is provided with away from one end of cusp-shaped and is solidified as a whole with peeling sheath and separation member for peeling sheath being separated into completely two halves.
In order to make outer sheath skid off in human body easily, described outer sheath is also provided with the outside turnup of relative outer sheath and forms curling and for stoping outer sheath from the block piece of slippage in human body near the edge that holder is the end, one end of cusp-shaped; Described block piece is two or more, and is uniformly distributed in outer sheath edge; Described outer sheath is also provided with static line away from one end of block piece, and static line extends to outside peeling sheath; Described static line one end be positioned at outside peeling sheath is also provided with the traction piece being convenient to user traction static line.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) structure of the present invention is simple, can insert very smoothly in human body and play conduit effect, so as fiber endoscopy or other need the conduit equipment entered in human body to enter in human body smoothly to operate accordingly.
(2) holder of the present invention is socketed in outer sheath, and when holder inserts in human body by needs, first to be inserted by holder pointed nose in human body a bit, outer sheath enters in human body together along holder termination subsequently, only holder need be taken out afterwards; Simultaneously in order to ensure the expansion ratio of outer sheath, so be provided with expansion sheath in outer sheath, ensure that outer sheath can enter in human body smoothly, expand sheath adopts plastic production to form simultaneously, less to human injury, and after outer sheath enters human body, can directly holder be taken out together with expansion sheath, only leave outer sheath as conduit, carry out follow-up operation technique.
(3) holder of the present invention comprises metal tube and metal-cored, when the present invention inserts after in human body, can by metal-cored back-out, liquid in human body just can flow out from metal tube, and medical worker just can know judgement present position in human body, end of the present invention, thus arrives assigned address when judging, to carry out subsequent operation, when also not arriving assigned address, only again need insert metal-cored in metal tube, continuing the present invention to insert in human body.
(4) metal tube of the present invention is provided with fluorescence coating, after the present invention inserts human body, by the ultrasonic position determining end of the present invention, thus improve the accuracy of the present invention's insertion, avoid inserting and dark human body to be damaged, inserted the shallow problem cannot carrying out subsequent procedures.
(5) the present invention has also been socketed peeling sheath in the outside of outer sheath, when outer sheath cannot be inserted in human body easily, because the existence of peeling sheath can enter in human body together with outer sheath, when both all enter human body, peeling sheath can be separated into two halves and outer sheath departs from completely, now again by outer sheath slowly be pushed into assigned address.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of outer sheath in the present invention.
Fig. 3 is the structural representation expanding sheath in the present invention.
Fig. 4 is the structural representation of metal tube in the present invention.
Fig. 5 is structural representation metal-cored in the present invention.
Fig. 6 is the structural representation of peeling sheath in the present invention.
Fig. 7 is the another kind of structural representation of outer sheath in the present invention.
Wherein, the parts name that in accompanying drawing, labelling is corresponding is called: 1-outer sheath, and 2-expands sheath, 3-metal tube, and 4-is metal-cored, 5-first external screw thread, 6-nut, 7-second external screw thread, 8-fluorescence coating, 9-peeling sheath, 10-separation member, 11-block piece, 12-static line, 13-traction piece.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment
As shown in figs. 1 to 6, disposable band outer sheath fistulation system, comprise the outer sheath 1 for inserting in human body, one end is socketed on can the holder that slides of outer sheath 1 relatively for outer sheath 1 to be inserted in human body in outer sheath 1, and the end of this holder one end is cusp-shaped.By above-mentioned setting, such as, when doing cholelithiasis operation, when needing to insert conduit as fiber endoscopy passage, only holder front end need to be inserted in human body a bit, then on the basis of holder as fulcrum, by outer sheath insertion human body slowly, when arriving assigned address, extracted in human body by holder, namely outer sheath can be used as the conduit of fiber endoscopy.Preferred as one, holder is made by metal, and conduit is made of plastics.
In order to ensure that outer sheath can be able to enter in human body smoothly, so be also socketed with the expansion sheath 2 inserting human body for auxiliary outer sheath 1 between described holder and outer sheath 1, and this expansion sheath 2 is coniform near one end of holder cusp-shaped.Because outer sheath is formed by plastic production, its hardness is inadequate, and above-mentioned expansion sheath expands outer sheath, improves its hardness, thus enter smoothly in human body, and described expansion sheath adopts plastic production to form equally.
In order to reduce costs, reduce weight of the present invention, alleviate operation easier and the labor intensity of medical worker, described holder comprises the metal tube 3 be socketed in expansion sheath, and to be socketed in metal tube and one end is metal-cored 4 of cusp-shaped.Specifically expanding in the middle part of sheath be hollow-core construction, and metal pipe sleeve is connected to expansion sheath, and can slide by relative distension sheath, owing to expanding the existence of sheath, metal tube with metal-cored just can make relatively carefully thus reduce production cost, reduce weight of the present invention.
In order to ensure that the present invention is simple to operate, the other end of described expansion sheath 2 is provided with the first external screw thread 5, and described metal tube 3 is provided with the nut 6 that matches with external screw thread for metal tube and expansion sheath being fixed.When needs dismounting or install the present invention, only need by being socketed and well can fixing each parts of the present invention by rotation, very simply.
In order to better realize the present invention, described metal-cored 4 other ends are provided with the second external screw thread 7, and metal tube 3 is provided with the female thread matched with the second external screw thread near second externally threaded one end.Above-mentioned setting can by after in insertosome of the present invention, metal-cored by rotating, now inside of human body and outside are then identical by metal tube, liquid in human body just can flow out from metal tube due to the reason of pressure, and whether medical worker just can reach assigned address according to the liquid determination end of the present invention of flowing out.Such as carrying out cholelithiasis operation, when flowing out bile in metal tube, just can judge that end of the present invention reaches assigned address, just expansion sheath and metal tube can be taken out, only staying in the body outer sheath as conduit uses thereupon; When not flowing out bile, just can judge that the present invention does not also arrive assigned address, now only again need insert metal-cored in metal tube, then the present invention being continued to insert in body.
In order to better determine whether the present invention arrives assigned address, the other end of described metal tube 3 is also provided with fluorescence coating 8.Because fluorescence coating in ultrasonic lower display, so when the present invention is inserted into after in human body, can determine concrete position by ultrasonic, operation is very simple, convenient, and very accurate.
Due to the stiffness issue of outer sheath, cannot enter in human body very smoothly appears in occasional, so described outer sheath 1 outside is also socketed with for increasing the convenient peeling sheath 9 inserted in human body of outer sheath hardness.The hardness of described peeling sheath is higher than the hardness of outer sheath, and the same plastic production that adopts forms.Why directly do not increase the hardness of outer sheath, be because outer sheath is as conduit, can be inserted in human body the long period, if much higher hard, certain damage can be caused to human body; Simultaneously during much higher hard, its thickness also can increase, and when it is positioned at human body, fiber endoscopy then well cannot observe the situation around outer sheath, so adopt peeling sheath to assist outer sheath to insert in human body.When outer sheath enters after in human body smoothly, only peeling sheath need be torn in two and be separated with outer sheath.
When peeling sheath assists outer sheath to insert human body, very easily peeling sheath can be separated with outer sheath, outer sheath can not be made again to skid off human body, and described peeling sheath 9 is provided with two gaps away from the sidewall of one end of resistance holder cusp-shaped, and gap extends to the end away from block piece one end.Conveniently also peeling sheath one end away from block piece can be cut away half, as preferably, the large two halves such as cut open into best.After outer sheath inserts human body, directly peeling sheath can be torn in two and be separated with outer sheath.
Alternatively, described peeling sheath 9 is provided with away from one end of cusp-shaped and is solidified as a whole with peeling sheath and separation member 10 for peeling sheath being separated into completely two halves.Described separation member is similarly two halves, and is solidified as a whole in peeling sheath, when no longer needing peeling sheath, only needing both hands to pull separation member just peeling sheath can be separated into two halves, departing from outer sheath completely.
As shown in Figure 7, in order to ensure that outer sheath can not skid off easily in human body, described outer sheath is also provided with the outside turnup of relative outer sheath and forms curling and for stoping outer sheath from the block piece 11 of slippage in human body near the edge that holder is the end, one end of cusp-shaped; Described block piece 11 is two or more, and is uniformly distributed in outer sheath edge.
In order to better realize the present invention, described outer sheath is also provided with static line 12 away from one end of block piece, and static line extends to outside peeling sheath; Described static line one end be positioned at outside peeling sheath is also provided with the traction piece 13 being convenient to user traction static line.Described traction piece can be little ball, also can be tablet, as long as can play convenient traction static line.When inserting outer sheath, in order to ensure that outer sheath is positioned at peeling sheath completely, traction piece can be pulled outer sheath to be pulled back, making outer sheath front end be positioned at peeling sheath completely, to insert smoothly in human body; Same after operation completes, when needing outer sheath to extract, also can hold traction piece, outer sheath being pulled out outside human body slowly.
According to above-described embodiment, just the present invention can be realized well.What deserves to be explained is; under prerequisite based on said structure design, for solving same technical problem, even if some making on the invention are without substantial change or polishing; the essence of the technical scheme adopted is still the same with the present invention, therefore it also should in protection scope of the present invention.
Claims (8)
1. disposable band outer sheath fistulation system, comprise the outer sheath (1) for inserting in human body, it is characterized in that, also comprising that one end is socketed on can the holder that slides of outer sheath (1) relatively for outer sheath (1) to be inserted in human body in outer sheath (1), and the end of this holder one end is cusp-shaped; Also be socketed with the expansion sheath (2) inserting human body for auxiliary outer sheath (1) between described holder and outer sheath (1), and this expansion sheath (2) is coniform near one end of holder cusp-shaped;
Wherein, described outer sheath is also provided with the outside turnup of relative outer sheath and forms curling and for stoping outer sheath from the block piece (11) of slippage in human body near the edge that holder is the end, one end of cusp-shaped;
Described outer sheath (1) outside is also socketed with for increasing the convenient peeling sheath (9) inserted in human body of outer sheath hardness.
2. disposable band outer sheath fistulation system according to claim 1, is characterized in that, described holder comprises the metal tube (3) be socketed in expansion sheath, and is socketed on metal-cored (4) that in metal tube and one end is cusp-shaped.
3. disposable band outer sheath fistulation system according to claim 2, it is characterized in that, the other end of described expansion sheath (2) is provided with the first external screw thread (5), and described metal tube (3) is provided with the nut (6) that matches with external screw thread for metal tube and expansion sheath being fixed.
4. disposable band outer sheath fistulation system according to claim 2, it is characterized in that, described metal-cored (4) other end is provided with the second external screw thread (7), and metal tube (3) is provided with near second externally threaded one end the female thread matched with the second external screw thread.
5. disposable band outer sheath fistulation system according to claim 4, it is characterized in that, described peeling sheath (9) is provided with two gaps away from the sidewall of one end of holder cusp-shaped, and gap extends to the end away from cusp-shaped one end; Or described peeling sheath is provided with away from one end of cusp-shaped and is solidified as a whole with peeling sheath and separation member (10) for peeling sheath being separated into completely two halves.
6. disposable band outer sheath fistulation system according to claim 5, it is characterized in that, the other end of described metal tube (3) is also provided with fluorescence coating (8).
7. disposable band outer sheath fistulation system according to claim 6, it is characterized in that, described block piece (11) is two or more, and is uniformly distributed in outer sheath edge.
8. disposable band outer sheath fistulation system according to claim 7, it is characterized in that, described outer sheath is also provided with static line (12) away from one end of block piece, and static line extends to outside peeling sheath; Described static line one end be positioned at outside peeling sheath is also provided with the traction piece (13) being convenient to user traction static line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310707334.8A CN103622770B (en) | 2013-09-03 | 2013-12-20 | Disposable band outer sheath fistulation system |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320543720 | 2013-09-03 | ||
| CN201320543720.3 | 2013-09-03 | ||
| CN201310707334.8A CN103622770B (en) | 2013-09-03 | 2013-12-20 | Disposable band outer sheath fistulation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103622770A CN103622770A (en) | 2014-03-12 |
| CN103622770B true CN103622770B (en) | 2015-11-11 |
Family
ID=50204469
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310707334.8A Active CN103622770B (en) | 2013-09-03 | 2013-12-20 | Disposable band outer sheath fistulation system |
| CN201320845541.5U Expired - Fee Related CN203693849U (en) | 2013-09-03 | 2013-12-20 | Disposable fistulization system with outer sheath pipe |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320845541.5U Expired - Fee Related CN203693849U (en) | 2013-09-03 | 2013-12-20 | Disposable fistulization system with outer sheath pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN103622770B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103622770B (en) * | 2013-09-03 | 2015-11-11 | 陈琪 | Disposable band outer sheath fistulation system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070255305A1 (en) * | 2006-04-28 | 2007-11-01 | Mcmichael Donald J | Percutaneous dilation apparatus |
| CN102631233B (en) * | 2012-03-29 | 2014-05-07 | 上海市东方医院 | Puncture cannula for gall bladder puncture |
| CN202568401U (en) * | 2012-05-31 | 2012-12-05 | 汪涛 | Percutaneous cystic puncture ostomy suite |
| CN202892618U (en) * | 2012-06-29 | 2013-04-24 | 北京迪玛克医药科技有限公司 | Vascular sheath capable of being torn |
| CN103622770B (en) * | 2013-09-03 | 2015-11-11 | 陈琪 | Disposable band outer sheath fistulation system |
-
2013
- 2013-12-20 CN CN201310707334.8A patent/CN103622770B/en active Active
- 2013-12-20 CN CN201320845541.5U patent/CN203693849U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103622770A (en) | 2014-03-12 |
| CN203693849U (en) | 2014-07-09 |
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Effective date of registration: 20190711 Address after: 610083 No. 270 Rongdu Avenue, Jinniu District, Chengdu City, Sichuan Province Patentee after: General Hospital of the Western War Zone of the Chinese People's Liberation Army Address before: 610000 No. 1, Wuzhao Road, Jinjiang District, Chengdu City, Sichuan Province Patentee before: Chen Qi |
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| TR01 | Transfer of patent right |