CN103462666A - Variable pitch screw for disposable guide type anorectal hemorrhoid anastomat - Google Patents
Variable pitch screw for disposable guide type anorectal hemorrhoid anastomat Download PDFInfo
- Publication number
- CN103462666A CN103462666A CN2013104538358A CN201310453835A CN103462666A CN 103462666 A CN103462666 A CN 103462666A CN 2013104538358 A CN2013104538358 A CN 2013104538358A CN 201310453835 A CN201310453835 A CN 201310453835A CN 103462666 A CN103462666 A CN 103462666A
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- Prior art keywords
- variable pitch
- screw
- thread section
- pitch screw
- hemorrhoid anastomat
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- 208000014617 hemorrhoid Diseases 0.000 title claims abstract description 22
- 239000011295 pitch Substances 0.000 abstract 9
- 238000001356 surgical procedure Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The invention relates to a variable pitch screw for a disposable guide type anorectal hemorrhoid anastomat, which is suitable for being matched with the disposable guide type anorectal hemorrhoid anastomat for use. The variable pitch screw for the disposable guide type anorectal hemorrhoid anastomat comprises a gradually variable pitch thread section and a non-thread section; the gradually variable pitch thread section is arranged at the front end of the non-thread section and is provided with single-head gradually variable pitch threads; a connecting pipe mounting hole is formed in the rear end of the non-thread section; a moving block fixing thread hole is formed between the gradually variable pitch thread section and the non-thread section. The variable pitch screw is a thickened screw with the diameter of 9-14mm; during an operation, a doctor can faster and more precisely position the gradually variable pitches; the variable pitch screw is only provided with one section of threads, so the hand feeling during adjusting is good; the screw strength is improved by the thickened screw diameter, thus preventing the doctor from breaking the screw by an overlarge force, ensuring the smooth performing of the surgery and reducing surgical risk.
Description
Technical field
What the present invention relates to is a kind of guided disposable type anorectal hemorrhoid anastomat Variable pitch screw, is applicable to support the use with guided disposable type anorectal hemorrhoid anastomat.
Background technology
In the devices such as medical apparatus and instruments, need to use a kind of guided disposable type anorectal hemorrhoid anastomat.Its defect is: pitch is little, the number of turns is many, when regulating, speed is slow, because the screw thread by 3 sections different pitch forms, when adjusting, feel has some setbacks, because of the Variable pitch screw diameter thinner, run into that the doctor overexerts in operation process and the risk that easily causes screw rod fracture, can not guarantee that operation carries out smoothly, increase operation risk.
Summary of the invention
The present invention seeks to provides a kind of guided disposable type anorectal hemorrhoid anastomat Variable pitch screw for above-mentioned weak point, Variable pitch screw is that overstriking screw diameter, thread segment are designed to gradual change apart from screw thread, when doctor's operative adjustment gradual change apart from screw thread can be sooner, location more accurately, owing to only having one section screw thread, good hand touch during adjustment, the overstriking screw diameter has improved screw strength, avoids the doctor to cause the screw rod fracture because overexerting in operation process, guarantee to perform the operation and carry out smoothly, reduce operation risk.
Guided disposable type anorectal hemorrhoid anastomat Variable pitch screw is to take following technical scheme to realize:
Guided disposable type anorectal hemorrhoid anastomat Variable pitch screw is comprised of apart from thread segment and non-threaded section gradual change, be provided with gradual change apart from thread segment at non-threaded section front end, gradual change is provided with the single head gradual change apart from screw thread apart from thread segment, be provided with the connection tube installing hole non-threaded section rear end, in gradual change, apart between thread segment and non-threaded section, be provided with the movable block fixing threaded hole.
Described Variable pitch screw is the overstriking screw rod, and diameter is 9～14mm.
When guided disposable type anorectal hemorrhoid anastomat Variable pitch screw and guided disposable type anorectal hemorrhoid anastomat support the use, adjustable pipe is sleeved on gradual change apart from thread segment, fore-set is installed in adjustable pipe to be coordinated apart from thread groove with gradual change, movable block is fixed on the Variable pitch screw middle part by the movable block fixing threaded hole, connection tube is connected with non-threaded section rear end of Variable pitch screw by the connection tube installing hole, rotating adjustable pipe moves forward and backward Variable pitch screw by fore-set, for driving movable block and connection tube moves forward and backward, can sooner, more precisely carry out location of operation.
Guided disposable type anorectal hemorrhoid anastomat Variable pitch screw of the present invention is reasonable in design, Variable pitch screw is set to the overstriking screw diameter, thread segment is designed to gradual change apart from screw thread, when doctor's operative adjustment gradual change apart from screw thread can be sooner, location more accurately, owing to only having one section screw thread, good hand touch during adjustment, the overstriking screw diameter has improved screw strength, avoids the doctor to cause the screw rod fracture because overexerting in operation process, guarantee to perform the operation and carry out smoothly, reduce operation risk.Guided disposable type anorectal hemorrhoid anastomat Variable pitch screw, be applicable to support the use with guided disposable type anorectal hemorrhoid anastomat.
The accompanying drawing explanation
Below with reference to accompanying drawing, the invention will be further described:
Fig. 1 is guided disposable type anorectal hemorrhoid anastomat Variable pitch screw structure and using state schematic diagram.
The specific embodiment
With reference to accompanying drawing 1, guided disposable type anorectal hemorrhoid anastomat Variable pitch screw is comprised of apart from thread segment 2 and non-threaded section 1 gradual change, be provided with gradual change apart from thread segment 2 at non-threaded section 1 front end, gradual change is provided with the single head gradual change apart from screw thread apart from thread segment 2, be provided with connection tube installing hole 3 non-threaded section 1 rear end, in gradual change, apart between thread segment 2 and non-threaded section 1, be provided with movable block fixing threaded hole 4.
Described Variable pitch screw is the overstriking screw rod, and diameter is 9～14mm.
When disposable importing supports the use to type anorectal hemorrhoid anastomat Variable pitch screw and guided disposable type anorectal hemorrhoid anastomat, adjustable pipe 8 is sleeved on gradual change apart from thread segment 1, fore-set 9 is installed in adjustable pipe 8 to be coordinated apart from thread groove 7 with gradual change, movable block 5 is by screw 4, the movable block fixing threaded hole is fixed on the Variable pitch screw middle part, connection tube 6 is connected with non-threaded section 1 rear end of Variable pitch screw by connection tube installing hole 3, rotating adjustable pipe 8 moves forward and backward Variable pitch screw by fore-set 9, for driving movable block 5 and connection tube 6 moves forward and backward, can be faster, more precisely carry out location of operation.
Claims (2)
1. a guided disposable type anorectal hemorrhoid anastomat Variable pitch screw, it is characterized in that: by gradual change, apart from thread segment and non-threaded section, formed, be provided with gradual change apart from thread segment at non-threaded section front end, gradual change is provided with the single head gradual change apart from screw thread apart from thread segment, be provided with the connection tube installing hole non-threaded section rear end, in gradual change, apart between thread segment and non-threaded section, be provided with the movable block fixing threaded hole.
2. guided disposable type anorectal hemorrhoid anastomat Variable pitch screw according to claim 1, it is characterized in that: Variable pitch screw is the overstriking screw rod, diameter is 9～14mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104538358A CN103462666A (en) | 2013-09-29 | 2013-09-29 | Variable pitch screw for disposable guide type anorectal hemorrhoid anastomat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104538358A CN103462666A (en) | 2013-09-29 | 2013-09-29 | Variable pitch screw for disposable guide type anorectal hemorrhoid anastomat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103462666A true CN103462666A (en) | 2013-12-25 |
Family
ID=49787882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013104538358A Pending CN103462666A (en) | 2013-09-29 | 2013-09-29 | Variable pitch screw for disposable guide type anorectal hemorrhoid anastomat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103462666A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2637807Y (en) * | 2003-07-18 | 2004-09-01 | 无锡市神康医疗器械设备有限公司 | Variable pitch screw |
| CN1989912A (en) * | 2005-12-29 | 2007-07-04 | 张祖仁 | Digestive tract cast stapler |
| CN2936163Y (en) * | 2006-08-03 | 2007-08-22 | 瑞奇外科器械(北京)有限公司 | Quick speed changing regulator for surgical anastomat |
| US20090250502A1 (en) * | 2003-10-17 | 2009-10-08 | Tyco Healthcare Group Lp | Surgical stapling device |
| CN203506808U (en) * | 2013-09-29 | 2014-04-02 | 无锡市神康医疗器械设备有限公司 | Distance-changing threaded rod of disposable guide type anorectal hemorrhoid anastomat |
-
2013
- 2013-09-29 CN CN2013104538358A patent/CN103462666A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2637807Y (en) * | 2003-07-18 | 2004-09-01 | 无锡市神康医疗器械设备有限公司 | Variable pitch screw |
| US20090250502A1 (en) * | 2003-10-17 | 2009-10-08 | Tyco Healthcare Group Lp | Surgical stapling device |
| CN1989912A (en) * | 2005-12-29 | 2007-07-04 | 张祖仁 | Digestive tract cast stapler |
| CN2936163Y (en) * | 2006-08-03 | 2007-08-22 | 瑞奇外科器械(北京)有限公司 | Quick speed changing regulator for surgical anastomat |
| CN203506808U (en) * | 2013-09-29 | 2014-04-02 | 无锡市神康医疗器械设备有限公司 | Distance-changing threaded rod of disposable guide type anorectal hemorrhoid anastomat |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131225 |