CN2787152Y - Surgical rotating knife head for binding instrument - Google Patents
Surgical rotating knife head for binding instrument Download PDFInfo
- Publication number
- CN2787152Y CN2787152Y CNU200520068607XU CN200520068607U CN2787152Y CN 2787152 Y CN2787152 Y CN 2787152Y CN U200520068607X U CNU200520068607X U CN U200520068607XU CN 200520068607 U CN200520068607 U CN 200520068607U CN 2787152 Y CN2787152 Y CN 2787152Y
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- CN
- China
- Prior art keywords
- nail
- cutting knife
- pipe
- pushing slice
- cutting
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a knife head of a bookbinding instrument for a surgical operation, particularly a rotary knife head of a bookbinding instrument for surgery, which comprises a nail barn, a nail pushing piece, a cutting knife and a nail cylinder and also comprises a rotary sleeve subassembly, wherein a feeding device of the cutting knife composed of the nail barn, the nail pushing piece, the cutting knife, the nail cylinder and the rotary sleeve subassembly is a rotary feeding device. The nail cylinder is a circular pipe-shaped body, wherein an inner cavity of the circular pipe-shaped body is in a step shape, a rise stopping pipe is arranged in the circular pipe-shaped body, the nail pushing piece of the step-shaped circular pipe-shaped body is arranged between the rise stopping pipe and the inner wall of the nail cylinder, wherein the shape of the nail pushing piece matches with the shape of the inner wall of the nail cylinder and the nail cylinder and the front end of the nail pushing piece are provided with cavities matching with annular cutting knives. The annular cutting knives are sheathed on the rise stopping pipe which is arranged in the cavity, the nail cylinder and the circumferential edge of the front end of the nail pushing piece are respectively connected with and touch the annular nail barn and the annular cutting knives are connected with the nail pushing piece and the rise stopping pipe through the rotary sleeve subassembly. The utility model has the advantages that a rotary cutting function and a driving rotary mode are realized, the resistance of a cutting-off tissue is effectively reduced, the stretched wound of the tissue caused by cutting-off is reduced, the cutting-off tissue is ensured safely, and the bookbinding force needed by an operation is reduced.
Description
Technical field
This utility model relates to the cutter head of a kind of surgical operation with Binding Instrument, is in particular a kind of rotary cutter of binding device for surgery.
Technical background
The stitching of surgical operation wound surface, the general means such as manual needlework are sewed up, gluing, slide fastener, Binding Instrument that adopt, wherein Binding Instrument is as operating wound surface suture instrument, more and more adopted by surgical operation, the cutter head of the binding device for surgery of prior art is in to wound face feeding bookbinding, its ring-like cutting knife is a straight-line feed, not only the surgeon need apply sizable strength and finish cutting, and cause the unnecessary cutting tissue of wound face unclean easily, cause actual bodily harm for the person of undergoing surgery.For this reason, on the cutter anvil, done a lot of improvement abroad mostly, but as ring-like amputation knife anvil, or on the cutter anvil, add the platform level; Also some improves on cutter, as ring-like blade being designed to zigzag at interval.But in the utilization of reality, all can not solve the unclean problem of unnecessary cutting tissue of the excessive and wound face of the application of force at all.
Summary of the invention
The purpose of this utility model is exactly the rotary cutter that the less binding device for surgery of a kind of unnecessary tissue that can thoroughly remove the wound face and the application of force is provided for the above-mentioned defective that solves prior art.
The purpose of this utility model realizes by following technical solution.
A kind of rotary cutter of binding device for surgery, it includes nail bin, pushing slice of nail, cutting knife, nail tube, and it also includes rotation set, and the cutting knife feed arrangement that described nail bin, pushing slice of nail, cutting knife, nail tube, rotation set constitute is a swivel feeding device.
The purpose of this utility model also can further realize by following technology solution.
The rotary cutter of aforesaid binding device for surgery, wherein said nail tube is that an inner chamber is step-like round tubular body, be provided with the pipe that only rises in it, between only rise pipe and nail tin inwall, be provided with and follow closely the step-like round tubular body pushing slice of nail that an inner wall shape is complementary, following closely the front end of tube with pushing slice of nail is the cavity that is complementary with annular cutting knife, the annular cutting knife is enclosed within and is arranged in this cavity on the pipe that only rises, the nail tube is connected with annular nail bin respectively with the nose circle circumferential edges of pushing slice of nail and touches, and annular cutting knife is connected with the pipe that only rises with pushing slice of nail by rotation set.It is affixed that rotation set is located at the bottom surface annular cutting knife of pushing slice of nail front end annular cutting knife, is respectively equipped with the groove or the key of cooperation each other at rotation set with on the pipe that only rises.The bottom of the bottom of described rotation set and pushing slice of nail front end cavity is that tooth is connected with a joggle.
Advantage of the present utility model is: 1, realize the rotation cutting function; 2, effectively reduce the resistance that cuts off tissue; 3, reduce because of what cut-out caused and organize tensile wound; 4, safety and reliability ground guarantees to cut off tissue; 5, reduce the bookbinding power of performing the operation required.
The purpose of this utility model, advantage and characteristics will illustrate by the non-limitative illustration of following preferential embodiment and explain that these embodiment only provide as an example with reference to accompanying drawing.
Description of drawings
Fig. 1 is this utility model structural representation.
Fig. 2 is this utility model cross-sectional view.
Fig. 3 is the structural representation of this utility model rotation set.
Fig. 4 is the plan structure sketch map of Fig. 3.
The specific embodiment
Shown in Fig. 1-4, this utility model includes nail bin 1, pushing slice of nail 2, cutting knife 3, nail tube 4, also includes rotation set 6, and the cutting knife feed arrangement that described nail bin 1, pushing slice of nail 2, cutting knife 3, nail tube 4, rotation set 6 constitute is a swivel feeding device.Nail tube 4 is that an inner chamber is step-like round tubular body, be provided with the pipe 5 that only rises in it, between only rise pipe 5 and nail tin 4 inwalls, be provided with and follow closely the step-like round tubular body pushing slice of nail 2 that an inner wall shape is complementary, front end at nail tube 4 and pushing slice of nail 2 is the cavity that is complementary with annular cutting knife 3, annular cutting knife 3 is enclosed within the pipe last 5 that only rises and is arranged in this cavity, nail tube 4 is connected with annular nail bin 1 respectively with the nose circle circumferential edges of pushing slice of nail 2 and touches, and annular cutting knife 3 is managed 5 and is connected with only rising by rotation set 6 and pushing slice of nail 2.Rotation set 6 is located at the bottom of pushing slice of nail 2 front ends annular cutting knife 3, affixed with annular cutting knife 3, be respectively equipped with groove 7 or the key 8 that cooperates each other on the rotation set 6 and the pipe 5 that only rises, the bottom of the bottom of rotation set 6 and pushing slice of nail front end cavity is equipped with tooth, and rotation set 6 is that tooth is connected with a joggle with pushing slice of nail.This utility model when pushing slice of nail 2 is subjected to forward a displacement, will drive rotation set 6 and cutting knife 3 travels forward in use; When the groove 7 of rotation set 6 was thrown off with the spline 8 on the pipe 5 that only rises, pushing slice of nail 2 moved on, and the teeth 9 that stagger can force a pair of tooth of rotation set and cutting knife rotation becoming engagement.
In addition to the implementation, this utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of this utility model requirement.
Claims (3)
1, a kind of rotary cutter of binding device for surgery, include nail bin, pushing slice of nail, cutting knife, the nail tube, it is characterized in that it also includes rotation set, described nail tube is that an inner chamber is step-like round tubular body, be provided with the pipe that only rises in it, between only rise pipe and nail tin inwall, be provided with and follow closely the step-like round tubular body pushing slice of nail that an inner wall shape is complementary, following closely the front end of tube with pushing slice of nail is the cavity that is complementary with annular cutting knife, the annular cutting knife is enclosed within and is arranged in this cavity on the pipe that only rises, the nail tube is connected with annular nail bin respectively with the nose circle circumferential edges of pushing slice of nail and touches, the annular cutting knife is connected described nail bin with pushing slice of nail with the pipe that only rises by rotation set, pushing slice of nail, cutting knife, the nail tube, the cutting knife feed arrangement that rotation set constitutes is a swivel feeding device.
2. the rotary cutter of binding device for surgery according to claim 1 is characterized in that described rotation set is located at the bottom of pushing slice of nail front end annular cutting knife, and is affixed with annular cutting knife, is respectively equipped with groove or the key that cooperates each other at rotation set with on the pipe that only rises.
3. the rotary cutter of binding device for surgery according to claim 1 is characterized in that the bottom of described rotation set and the bottom of pushing slice of nail front end cavity are equipped with tooth, and rotation set and pushing slice of nail are that tooth is connected with a joggle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200520068607XU CN2787152Y (en) | 2005-01-26 | 2005-01-26 | Surgical rotating knife head for binding instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200520068607XU CN2787152Y (en) | 2005-01-26 | 2005-01-26 | Surgical rotating knife head for binding instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2787152Y true CN2787152Y (en) | 2006-06-14 |
Family
ID=36785448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200520068607XU Expired - Fee Related CN2787152Y (en) | 2005-01-26 | 2005-01-26 | Surgical rotating knife head for binding instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2787152Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100464714C (en) * | 2006-09-11 | 2009-03-04 | 苏州天臣国际医疗科技有限公司 | Surgical binding instrument rotary bit |
-
2005
- 2005-01-26 CN CNU200520068607XU patent/CN2787152Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100464714C (en) * | 2006-09-11 | 2009-03-04 | 苏州天臣国际医疗科技有限公司 | Surgical binding instrument rotary bit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060614 Termination date: 20100228 |