CN220588328U - Operation planing tool bit structure - Google Patents
Operation planing tool bit structure Download PDFInfo
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- CN220588328U CN220588328U CN202321713181.3U CN202321713181U CN220588328U CN 220588328 U CN220588328 U CN 220588328U CN 202321713181 U CN202321713181 U CN 202321713181U CN 220588328 U CN220588328 U CN 220588328U
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- planing tool
- tool
- planer
- planing
- pipe
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- 238000005520 cutting process Methods 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 210000001519 tissue Anatomy 0.000 abstract description 28
- 210000004872 soft tissue Anatomy 0.000 abstract description 17
- 230000001575 pathological effect Effects 0.000 abstract description 8
- 210000003128 head Anatomy 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 230000003902 lesion Effects 0.000 description 5
- 230000036285 pathological change Effects 0.000 description 3
- 231100000915 pathological change Toxicity 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 210000001331 nose Anatomy 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000002674 endoscopic surgery Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003800 pharynx Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model discloses a surgical planing tool bit structure, and relates to the technical field of medical supplies. The utility model comprises an outer planer tool and an inner planer tool sleeved in the outer planer tool, wherein the inner planer tool can rotate around an axis in the outer planer tool; the outer planing tool comprises an outer planing tool pipe and an outer planing tool bit fixed at one end of the outer planing tool pipe, and an outer planing tool cutting edge is arranged on the outer planing tool bit; the inner diameter of the outer planer tool bit is smaller than the inner diameter of the outer planer tool pipe; the inner planing tool comprises an inner planing tool pipe and an inner planing tool bit fixed at one end of the inner planing tool pipe, the two sides of the inner planing tool bit are symmetrically provided with inner planing tool cutting edges, and the inner diameter of the inner planing tool bit is smaller than the inner diameter of the inner planing tool pipe. According to the utility model, by designing the pipe diameters of the inner planing tool and the outer planing tool to be in a structure of small diameter before large diameter, namely when the pathological tissues or soft tissues are cut by the tool bit and then flow through the inner planing tool pipe, the pipe diameters are small before large, so that the resected tissues can be extracted more easily, the blockage of a suction channel is avoided, and the efficiency and the success rate of the operation are improved.
Description
Technical Field
The utility model belongs to the technical field of medical supplies, and particularly relates to a surgical planing tool bit structure.
Background
Compared with the traditional open surgery, the minimally invasive surgery has the advantages of small wound, quick recovery, few complications and the like, the endoscopic surgery is being accepted by more and more patients, and the demands of endoscopic surgical tools such as minimally invasive planing tools and the like are also increased sharply.
In the excision of diseased or soft tissue in gynaecology, urology and the like, a medical shaver is generally used for excision. The method mainly comprises the steps of finding out the position of pathological tissue under the matching of an endoscope, then opening a negative pressure aspirator, and sucking the pathological tissue of a patient into the notch of a planing tool under the action of negative pressure aspiration. The inner planing tool is used for repeatedly tearing the pathological change tissue or the soft tissue by reciprocating operation, the pathological change tissue or the soft tissue is resected, and the resected pathological change tissue or the soft tissue is extracted from the body through a suction channel of the inner planing tool by the negative pressure aspirator.
The working end of the existing plane blade adopts more structures including double-sided teeth, inner-edge external teeth and double-sided edges. The Chinese patent publication No. CN209122346U discloses a planing tool for joint surgery, which comprises an outer pipe and an inner pipe which can rotate around the axis of the outer pipe and is sleeved in the outer pipe, wherein the front end of the inner pipe is provided with a cutter tooth for rotationally cutting tissues, and the front end of the outer pipe is provided with at least one planing tool window capable of accommodating the exposure of at least part of the cutter tooth; the inner tube is provided with a suction hole for sucking the cuttings by means of a negative pressure suction system, and one end of the inner tube is connected with a power handle capable of controlling the inner tube to rotate in a unidirectional manner and rotate in a reciprocating manner. The gynecological and urological operations are different from other surgical operations such as ear, nose and throat, and the like, and the pathological tissues or soft tissues are often more, the traditional cutter head structure is adopted, the tissue cutting efficiency is low, and meanwhile, due to the more tissues, the resected tissues are easy to block the suction channel in the operation process, so that the resected pathological tissues or soft tissues cannot be smoothly sucked and discharged out of the body.
Disclosure of Invention
The utility model aims to provide a surgical planing tool bit structure, wherein the inner diameter of an outer planing tool bit is smaller than that of an outer planing tool pipe, and the inner diameter of an inner planing tool bit is smaller than that of an inner planing tool pipe, namely, when lesion tissues or soft tissues are cut by the tool bit and flow into the inner planing tool pipe, the pipe diameter is smaller before larger, the aspiration of the excised lesion tissues or soft tissues is facilitated, the blockage of an aspiration channel is avoided, and the problems that the aspiration channel is blocked by the resected tissues easily by a planing tool used in the conventional gynecological and urological excision operation, so that the resected lesion tissues or soft tissues cannot be smoothly aspirated and discharged outside the body, and the operation efficiency and quality are influenced are solved.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a surgical planing tool bit structure, which comprises an outer planing tool and an inner planing tool sleeved in the outer planing tool, wherein the inner planing tool can rotate around an axis in the outer planing tool. The outer planing tool comprises an outer planing tool pipe and an outer planing tool bit fixed at one end of the outer planing tool pipe, and an outer planing tool cutting edge is formed on the outer planing tool bit; the inner diameter of the outer planer tool bit is smaller than the inner diameter of the outer planer tool pipe. The inner planing tool comprises an inner planing tool pipe and an inner planing tool bit fixed at one end of the inner planing tool pipe, and the inner planing tool bit can partially leak out of the cutting edge of the outer planing tool; the inner planer tool head is provided with at least one inner planer tool cutting edge, and the inner diameter of the inner planer tool head is smaller than the inner diameter of the inner planer tool pipe.
As a preferential technical scheme of the utility model, the cutting edge of the inner planing tool adopts a tooth-shaped structure.
As a preferential technical scheme of the utility model, the inner planer tool head is provided with two inner planer tool cutting edges.
As a preferential technical scheme of the utility model, the two inner planer tool cutting edges are symmetrically arranged at two sides of the inner planer tool bit.
As a preferential technical scheme of the utility model, the inner wall of the outer planing tool is in clearance fit with the periphery of the inner planing tool, and the minimum clearance is 0.1-0.2 mm to prevent the inner planing tool from clamping stagnation during reciprocating motion.
The utility model has the following beneficial effects:
1. according to the utility model, the inner diameter of the outer planer tool bit is smaller than the inner diameter of the outer planer tool pipe, and the inner diameter of the inner planer tool bit is smaller than the inner diameter of the inner planer tool pipe, namely, when lesion tissues or soft tissues are cut by the tool bit and then flow into the inner planer tool pipe, the pipe diameter is 'small before big', so that the resected lesion tissues or soft tissues can be extracted more conveniently, the suction channel is prevented from being blocked, and the efficiency and the success rate of the operation are improved.
2. According to the utility model, the inner planing tool cutting edge is symmetrically arranged on the two sides of the inner planing tool cutter head, and the inner planing tool cutting edge adopts a tooth-shaped structure, so that the cutting efficiency of pathological tissues or soft tissues is greatly improved.
Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a surgical planing tool head according to the present utility model;
FIG. 2 is a top view of a surgical planing tool head structure;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic view of the structure of the outer planer;
FIG. 5 is a top view of the outer planer;
FIG. 6 is an enlarged partial schematic view of FIG. 5 at A in a cross-sectional view taken along B-B;
FIG. 7 is a schematic view of the construction of the inner planing tool;
FIG. 8 is a top view of the inner planer;
FIG. 9 is an enlarged partial schematic view of FIG. 8 at B in a cross-sectional view taken along line C-C;
in the drawings, the list of components represented by the various numbers is as follows:
100-outer planing tool, 200-inner planing tool;
1-outer planer tool pipe, 2-outer planer tool bit, 201-outer planer tool blade, 3-inner planer tool pipe, 4-inner planer tool bit, 401-inner planer tool blade.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-3, the present embodiment provides a surgical planing tool bit structure, which includes an outer planing tool 100 and an inner planing tool 200 sleeved in the outer planing tool 100, wherein the inner planing tool 200 can rotate around an axis in the outer planing tool 100.
Referring to fig. 4 to 6, the outer cutter 100 includes an outer cutter tube 1 and an outer cutter head 2, the outer cutter tube 1 is preferably made of SUS304 stainless steel, and the outer cutter head 2 is preferably made of stainless steel, such as SUS630 stainless steel, which facilitates heat treatment to improve hardness. One end of the outer planer tool pipe 1 and one end of the outer planer tool bit 2 are preferably fixed by means of laser welding. The outer planer tool bit 2 is provided with an outer planer tool cutting edge 201, and the outer planer tool cutting edge 201 is subjected to thin cutting treatment.
In some preferred embodiments, as shown in fig. 6, the inner diameter of the outer planer tool bit 2 is smaller than the inner diameter of the outer planer tool tube 1 to facilitate evacuation of resected tissue, and the specific dimensional difference may be determined according to the overall diameter of the planer tool.
Referring to fig. 7-9, the inner planer 200 includes an inner planer tube 3 and an inner planer bit 4, the inner planer bit 4 being partially accessible to the outer planer edge 201 to facilitate cutting of tissue. The inner cutter tube 3 is preferably made of SUS304 stainless steel, and the inner cutter head 4 is preferably made of stainless steel, such as SUS630 stainless steel, which facilitates heat treatment to improve hardness. The inner planing tool cutting edge 401 is symmetrically arranged on two sides of the inner planing tool bit 4, the inner planing tool cutting edge 401 adopts a toothed structure, grinding treatment is carried out, the cutting edge is sharper, the outer planing tool cutting edge 201 is matched, and the cutting efficiency is higher for planing reciprocating motion.
In some preferred embodiments, as shown in fig. 9, the inner diameter of the inner planer tool bit 4 is smaller than the inner diameter of the inner planer tool tube 3 to facilitate drainage of resected tissue and prevent clogging. And the outer diameter of the inner planer tool head 4 is smaller than the outer diameter of the inner planer tool tube 3 to match the inner diameter design of the outer planer 100.
In addition, since the dimension and length of the gynecological and urinary planing tool bit are far longer than those of the planing tools in departments such as ears, noses and throats, the straightness of the steel pipe processing is less than 0.2, the clearance between the inner wall of the outer planing tool 100 and the peripheral side of the inner planing tool 200 is designed to be 0.1 mm-0.2 mm, and the clearance range can meet the condition that the reciprocating motion of the inner planing tool does not generate clamping stagnation.
During operation, under the action of the negative pressure aspirator, the diseased tissue or soft component of a patient is sucked into the outer planer tool edge 201 of the outer planer tool bit 2, the diseased tissue or soft tissue is repeatedly torn and cut by the reciprocating operation of the inner planer tool 200, and then the cut diseased tissue or soft tissue is extracted from the body through the pipeline of the inner planer tool pipe 3 by the negative pressure aspirator. When the pathological tissue or soft tissue is cut by the cutter head and then flows through the inner planing cutter tube 3, the tube diameter is 'small before big', which is more beneficial to extracting the excised pathological tissue or soft tissue, avoiding the blockage of the suction channel and improving the efficiency and success rate of the operation.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (5)
1. A surgical planing tool bit structure, comprising an outer planing tool (100) and an inner planing tool (200) sleeved in the outer planing tool (100), wherein the inner planing tool (200) can rotate around an axis in the outer planing tool (100); it is characterized in that the method comprises the steps of,
the outer planer tool (100) comprises an outer planer tool pipe (1) and an outer planer tool bit (2) fixed at one end of the outer planer tool pipe (1), and an outer planer tool cutting edge (201) is formed in the outer planer tool bit (2); the inner diameter of the outer planer tool bit (2) is smaller than the inner diameter of the outer planer tool pipe (1);
the inner planing tool (200) comprises an inner planing tool pipe (3) and an inner planing tool bit (4) fixed at one end of the inner planing tool pipe (3), wherein the inner planing tool bit (4) can partially leak out of the outer planing tool cutting edge (201); at least one inner planer cutting edge (401) is formed in the inner planer tool head (4), and the inner diameter of the inner planer tool head (4) is smaller than the inner diameter of the inner planer tool pipe (3).
2. A surgical planing tool head structure according to claim 1, wherein the inner planing tool cutting edge (401) is of a toothed structure.
3. A surgical planing tool head structure according to claim 2, characterized in that the inner planing tool head (4) is provided with two inner planing tool cutting edges (401).
4. A surgical planing tool head structure according to claim 3, wherein the two inner planing tool cutting edges (401) are symmetrically formed on both sides of the inner planing tool head (4).
5. A surgical planing tool head structure according to any one of claims 1 to 4, wherein the inner wall of the outer planing tool (100) is in clearance fit with the peripheral side of the inner planing tool (200), and the minimum clearance is 0.1mm to 0.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321713181.3U CN220588328U (en) | 2023-07-03 | 2023-07-03 | Operation planing tool bit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321713181.3U CN220588328U (en) | 2023-07-03 | 2023-07-03 | Operation planing tool bit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220588328U true CN220588328U (en) | 2024-03-15 |
Family
ID=90182424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321713181.3U Active CN220588328U (en) | 2023-07-03 | 2023-07-03 | Operation planing tool bit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220588328U (en) |
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2023
- 2023-07-03 CN CN202321713181.3U patent/CN220588328U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |