CN204394639U - A kind of safety scale guides percutaneous Liver and kidney puncture expansion external member - Google Patents
A kind of safety scale guides percutaneous Liver and kidney puncture expansion external member Download PDFInfo
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- CN204394639U CN204394639U CN201420861115.5U CN201420861115U CN204394639U CN 204394639 U CN204394639 U CN 204394639U CN 201420861115 U CN201420861115 U CN 201420861115U CN 204394639 U CN204394639 U CN 204394639U
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- dilator
- expansion external
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Abstract
This utility model relates to medical auxiliary apparatus technical field, be specifically related to a kind of safety scale and guide percutaneous Liver and kidney puncture expansion external member, described expansion external member comprises the dilator of multiple inner hollow, the lateral wall of described dilator offers scale and scale value, scale comprises long scale and short scale, four short scales are provided with between adjacent two long scales, distance between adjacent two long scales is 0.5cm, distance between adjacent two short scales is 0.1cm, scale value is arranged at the side of long scale, and from the front end of dilator, a scale value is set every two long scales.The lateral wall of dilator of the present utility model offers scale and scale value, the clear and definite paracentesis depth of energy and position, and structure is simple, economical and practical, can reduce complication relevant in piercing process, shortens operating time.
Description
Technical field
This utility model relates to medical auxiliary apparatus technical field, is specifically related to a kind of safety scale and guides percutaneous Liver and kidney puncture expansion external member.
Background technology
Calculus of intrahepatic duct and kidney, ureteral calculus are department of general surgery's commonly encountered diseases frequently-occurring diseases, process very thorny.Previously adopt opens abdominal cavity hepatic segments, hepalobectomy, kidney extracoporeal shock-wave lithotripsy, pyelolithotomy, percutaneous kidney rubble lithotomy more; in recent years along with the development of endoscopic surgery; percutaneous liver, kidney operation get more and more; but market there is no percutaneous liver special equipment; and though percutaneous kidney apparatus has without scale marker; often can puncture dark or excessively shallow, cause operative failure, thus affect popularization and the development of this technology.
Summary of the invention
In order to overcome the shortcoming and defect existed in prior art, the purpose of this utility model is to provide a kind of safety scale to guide percutaneous Liver and kidney puncture expansion external member, and this expansion external member structure is simple, economical and practical, complication relevant in piercing process can be reduced, shorten operating time.
The purpose of this utility model is achieved through the following technical solutions: a kind of safety scale guides percutaneous Liver and kidney puncture expansion external member, described expansion external member comprises the dilator of multiple inner hollow, the lateral wall of described dilator offers scale and scale value, scale comprises long scale and short scale, four short scales are provided with between adjacent two long scales, distance between adjacent two long scales is 0.5cm, distance between adjacent two short scales is 0.1cm, scale value is arranged at the side of long scale, and from the front end of dilator, a scale value is set every two long scales.
Further, described expansion external member comprises seven dilators that model is respectively 8Fr, 10Fr, 12Fr, 14Fr, 16Fr, 18Fr, 20Fr.
Further, the length of described dilator is 16-20cm, and internal diameter is 1-1.4mm, and the length of described scale is 14-16cm.
Further, the length of described dilator is 18cm, and internal diameter is 1.2mm, and the length of described scale is 15cm.
Further, the front end of described dilator conically.
Further, the length of the cone-shaped nose of described dilator is 0.5-0.7cm.
Further, the rear end of described dilator is fixed with Handheld Division.
Further, the lateral wall of described Handheld Division offers anti-slip veins.
Further, the lateral wall of described dilator is provided with the polytetrafluoroethylene floor that thickness is 50-100 μm.
Further, the lateral wall of described dilator is provided with the antibiotic layer that thickness is 5-25 μm.
The beneficial effects of the utility model are: the lateral wall of dilator of the present utility model offers scale and scale value, the clear and definite paracentesis depth of energy and position, and structure is simple, economical and practical, can reduce complication relevant in piercing process, shorten operating time.
Expansion external member of the present utility model has following advantage: 1, cutting tip tapered segment length is 6mm, the short 16mm of more existing like instrument, avoids because cutting tip is long and cause and run through damage, hemorrhage complication; 2, there is scale marker, can accurately advance by the sheath pipe degree of depth of the degree of depth of preoperative CT, intraoperative ultrasound location prediction and correspondence the degree of depth expanding external member, avoid dark or excessively shallow; 3, fast and easy, saves operating time.
Accompanying drawing explanation
Fig. 1 is the structural representation of dilator described in the utility model;
Fig. 2 is the close-up schematic view of dilator described in the utility model;
Reference numeral is: 1-dilator, 2-scale, 21-long scale, 22-short scale, 3-scale value, 4-Handheld Division, 5-anti-slip veins.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, be further described this utility model below in conjunction with embodiment and accompanying drawing 1-2, the content that embodiment is mentioned is not to restriction of the present utility model.
See Fig. 1-2, a kind of safety scale guides percutaneous Liver and kidney puncture expansion external member, described expansion external member comprises the dilator 1 of multiple inner hollow, the lateral wall of described dilator 1 offers scale 2 and scale value 3, scale 2 comprises long scale 21 and short scale 22, four short scales 22 are provided with between adjacent two long scales 21, distance between adjacent two long scales 21 is 0.5cm, distance between adjacent two short scales 22 is 0.1cm, scale value 3 is arranged at the side of long scale 21, and arranges a scale value 3 every two long scales 21 from the front end of dilator 1.
The lateral wall of dilator 1 of the present utility model offers scale 2 and scale value 3, the clear and definite paracentesis depth of energy and position, and structure is simple, economical and practical, can reduce complication relevant in piercing process, shortens operating time.
In the present embodiment, described expansion external member comprises seven dilators 1 that model is respectively 8Fr, 10Fr, 12Fr, 14Fr, 16Fr, 18Fr, 20Fr.
In the present embodiment, the length of described dilator 1 is 16-20cm, and internal diameter is 1-1.4mm, and the length of described scale 2 is 14-16cm.For making this utility model reach best result of use, the length of described dilator 1 is 18cm, and internal diameter is 1.2mm, and the length of described scale 2 is 15cm.
In the present embodiment, the front end of described dilator 1 conically.Conical setting is conveniently thrust.
In the present embodiment, the length of the cone-shaped nose of described dilator 1 is 0.5-0.7cm.For making this utility model reach best result of use, the length of the cone-shaped nose of described dilator 1 is 0.6cm.
In the present embodiment, the rear end of described dilator 1 is fixed with Handheld Division 4.Dilator 1 is conveniently arrested in arranging of Handheld Division 4.
In the present embodiment, the lateral wall of described Handheld Division 4 offers anti-slip veins 5.Arranging of anti-slip veins 5 can increasing friction force, convenient promptly dilator 1.
In the present embodiment, the lateral wall of described dilator 1 is provided with the polytetrafluoroethylene floor that thickness is 50-100 μm.Titanium nitride thin rete hardness is high, wearability good, adhesive force good, anticorrosive, there is good cell compatibility.
In the present embodiment, the lateral wall of described dilator 1 is provided with the antibiotic layer that thickness is 5-25 μm.Antibiotic layer be arranged so that sheath tube body has good antibacterial action, protect from infection.
When expansion external member of the present utility model uses, under localization by ultrasonic, the gallbladder pipe of expansion or calculus is first there is with puncturing kit puncture, renal pelvis, extract bile or urine confirmation arrival predetermined position out, paracentesis depth is recorded according to puncture needle mark scale 2, extract nook closing member, insert seal wire, cut puncturing hole place skin and be about 8mm, registered depth also fixes seal wire, external member will be expanded to be guided down by seal wire by desired depth ascending (8-16-20Fr) and progressively expand passage, after being expanded to suitable aperture, insert operation sheath, put into choledochoscope or percutaneous liver, nephroscopy whether enter predetermined position and and complete operation technique, can repeat according to abovementioned steps as do not arrived.
Expansion external member of the present utility model has following advantage: 1, cutting tip tapered segment length is 6mm, the short 16mm of more existing like instrument, avoids because cutting tip is long and cause and run through damage, hemorrhage complication; 2, there is scale 2 to identify, can accurately advance by the sheath pipe degree of depth of the degree of depth of preoperative CT, intraoperative ultrasound location prediction and correspondence the degree of depth expanding external member, avoid dark or excessively shallow; 3, fast and easy, saves operating time.
Above-described embodiment is this utility model preferably implementation, and in addition, this utility model can also realize by alternate manner, and any apparent replacement is all within protection domain of the present utility model without departing from the concept of the premise utility.
Claims (10)
1. a safety scale guides percutaneous Liver and kidney puncture expansion external member, described expansion external member comprises the dilator of multiple inner hollow, it is characterized in that: the lateral wall of described dilator offers scale and scale value, scale comprises long scale and short scale, four short scales are provided with between adjacent two long scales, distance between adjacent two long scales is 0.5cm, distance between adjacent two short scales is 0.1cm, scale value is arranged at the side of long scale, and arranges a scale value every two long scales from the front end of dilator.
2. a kind of safety scale according to claim 1 guides percutaneous Liver and kidney puncture expansion external member, it is characterized in that: described expansion external member comprises seven dilators that model is respectively 8Fr, 10Fr, 12Fr, 14Fr, 16Fr, 18Fr, 20Fr.
3. a kind of safety scale according to claim 1 guides percutaneous Liver and kidney puncture expansion external member, and it is characterized in that: the length of described dilator is 16-20cm, and internal diameter is 1-1.4mm, the length of described scale is 14-16cm.
4. a kind of safety scale according to claim 1 guides percutaneous Liver and kidney puncture expansion external member, and it is characterized in that: the length of described dilator is 18cm, and internal diameter is 1.2mm, the length of described scale is 15cm.
5. a kind of safety scale according to claim 1 guides percutaneous Liver and kidney puncture expansion external member, it is characterized in that: the front end of described dilator conically.
6. a kind of safety scale according to claim 5 guides percutaneous Liver and kidney puncture expansion external member, it is characterized in that: the length of the cone-shaped nose of described dilator is 0.5-0.7cm.
7. a kind of safety scale according to claim 1 guides percutaneous Liver and kidney puncture expansion external member, it is characterized in that: the rear end of described dilator is fixed with Handheld Division.
8. a kind of safety scale according to claim 7 guides percutaneous Liver and kidney puncture expansion external member, it is characterized in that: the lateral wall of described Handheld Division offers anti-slip veins.
9. a kind of safety scale according to claim 1 guides percutaneous Liver and kidney puncture expansion external member, it is characterized in that: the lateral wall of described dilator is provided with the polytetrafluoroethylene floor that thickness is 50-100 μm.
10. a kind of safety scale according to claim 1 guides percutaneous Liver and kidney puncture expansion external member, it is characterized in that: the lateral wall of described dilator is provided with the antibiotic layer that thickness is 5-25 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420861115.5U CN204394639U (en) | 2014-12-31 | 2014-12-31 | A kind of safety scale guides percutaneous Liver and kidney puncture expansion external member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420861115.5U CN204394639U (en) | 2014-12-31 | 2014-12-31 | A kind of safety scale guides percutaneous Liver and kidney puncture expansion external member |
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| Publication Number | Publication Date |
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| CN204394639U true CN204394639U (en) | 2015-06-17 |
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| CN201420861115.5U Active CN204394639U (en) | 2014-12-31 | 2014-12-31 | A kind of safety scale guides percutaneous Liver and kidney puncture expansion external member |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104490457A (en) * | 2014-12-31 | 2015-04-08 | 东莞市南城医院 | Safe ruler-guide percutaneous hepatorenal puncture expansion kit |
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2014
- 2014-12-31 CN CN201420861115.5U patent/CN204394639U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104490457A (en) * | 2014-12-31 | 2015-04-08 | 东莞市南城医院 | Safe ruler-guide percutaneous hepatorenal puncture expansion kit |
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