CN111772789A - Surgical knife - Google Patents
Surgical knife Download PDFInfo
- Publication number
- CN111772789A CN111772789A CN201910271863.5A CN201910271863A CN111772789A CN 111772789 A CN111772789 A CN 111772789A CN 201910271863 A CN201910271863 A CN 201910271863A CN 111772789 A CN111772789 A CN 111772789A
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- scalpel
- infrared optical
- infrared
- housing
- 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.)
- Granted
Links
- 239000013307 optical fiber Substances 0.000 claims abstract description 72
- 239000000835 fiber Substances 0.000 claims description 14
- 239000010453 quartz Substances 0.000 claims description 3
- 239000010979 ruby Substances 0.000 claims description 3
- 229910001750 ruby Inorganic materials 0.000 claims description 3
- 229910052594 sapphire Inorganic materials 0.000 claims description 3
- 239000010980 sapphire Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 6
- 239000010437 gem Substances 0.000 description 4
- 229910001751 gemstone Inorganic materials 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000023597 hemostasis Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00589—Coagulation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00601—Cutting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B2018/2015—Miscellaneous features
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B2018/2035—Beam shaping or redirecting; Optical components therefor
- A61B2018/20553—Beam shaping or redirecting; Optical components therefor with special lens or reflector arrangement
Abstract
An embodiment of the present invention provides a scalpel, including: a knife housing; the fixed joint is detachably arranged on the cutter shell and is used for being matched with the cutter shell to form an accommodating space; and the near infrared optical fiber limiter is detachably arranged in the accommodating space, a limiting space used for limiting the optical fiber is formed in the near infrared optical fiber limiter, one end of the optical fiber is abutted to the fixed joint, the other end of the optical fiber extends into the limiting space, and one end of the near infrared optical fiber limiter, which deviates from the fixed joint, is provided with a cutter head only allowing the preset amount of laser to penetrate out. The scalpel in the embodiment of the invention can facilitate a user to replace the optical fiber, so that the operation is safer and more sanitary, and the laser emission can be adjusted.
Description
Technical Field
The embodiment of the invention relates to the field of surgical instruments, in particular to a scalpel.
Background
The laser scalpel is used as a surgical scalpel by utilizing the characteristic of high concentration of laser energy, and has unique features. The blade of the commonly used semiconductor laser knife is the focus for gathering laser beams, the focus can be as small as 0.1 mm, and the power density on the focus reaches 10 ten-thousand watts per square centimeter. The place where such a light "knife" arrives, whether it is skin, muscle, or hemostasis, can be readily understood. One of the outstanding advantages of a laser "knife" is its lightness. The surgical operation is performed without any mechanical impact; after a laser 'knife' with the power of 50 watts is used, the speed of cutting the skin is about 10 centimeters per second, and the cutting depth is about 1 millimeter, which is similar to that of a common scalpel.
At present, due to structural defects, an optical fiber for transmitting laser is easy to be almost in direct contact with skin tissues of a patient, the optical fiber is damaged, and the patient is easily scalded by the high ejection temperature of the laser. At each time, medical personnel always need to replace the optical fiber, but the replacement of the optical fiber is difficult because the laser scalpel does not have any structure or part for facilitating the replacement of the optical fiber.
Disclosure of Invention
The invention provides a scalpel which is convenient for replacing an optical fiber, enables the operation to be safer and more sanitary, and can adjust the laser emission.
In order to solve the above technical problem, an embodiment of the present invention provides a scalpel, including:
a knife housing;
the fixed joint is detachably arranged on the cutter shell and is used for being matched with the cutter shell to form an accommodating space; and
the near-infrared optical fiber limiter is detachably arranged in the accommodating space, a limiting space used for limiting the near-infrared optical fiber is formed in the near-infrared optical fiber limiter, one end of the near-infrared optical fiber is abutted to the fixed joint, the other end of the near-infrared optical fiber extends into the limiting space, and one end of the near-infrared optical fiber limiter, which deviates from the fixed joint, is provided with a cutter head only allowing the laser with preset quantity to penetrate out.
Preferably, the knife shell comprises a shell with two open ends and a connector detachably mounted on the first end of the shell and communicated with the limiting space, and the fixed connector is mounted on the second end of the shell.
Preferably, the connector is screwed or buckled on the shell.
Preferably, the fixed joint is in a sealing cap shape, is screwed or buckled on the shell, and is internally provided with a limiting part for limiting the near-infrared optical fiber.
Preferably, the first end of casing has first spacing portion, have on the near-infrared optic fibre stopper can with first spacing portion cooperation is in order spacing the spacing portion of second of near-infrared optic fibre stopper, work as when first spacing portion is used with the spacing portion of second, near-infrared optic fibre stopper orientation the one end of connector stretches out with the fixed length the connector.
Preferably, the housing is cylindrical, the first limiting portion is formed by inward contraction of the second end of the housing, the near-infrared optical fiber limiter is rod-shaped, and the second limiting portion is a step surface which is formed on the near-infrared optical fiber limiter and can abut against the first limiting portion.
Preferably, one end of the near-infrared optical fiber limiter, which extends out of the connector, is wedge-shaped, and the outer edge of the end is curved.
Preferably, the tool bit is any one of a ruby tool bit, a sapphire tool bit, a white gem tool bit and a quartz tool bit.
Preferably, the light transmittance of the tool bit is matched with the wavelength of the near-infrared laser emitted by the near-infrared optical fiber.
Preferably, at least the part of the near-infrared optical fiber limiter provided with the cutter head is bendable.
Based on the disclosure of the embodiment, the embodiment of the invention has the advantages that the near-infrared optical fiber limiter and the fixing joint are arranged, so that the near-infrared optical fiber limiter can be independently arranged in the cutter shell, and meanwhile, when a user wants to replace the near-infrared optical fiber, the user can replace the near-infrared optical fiber by only taking down the fixing joint, and the operation is convenient. In addition, the scalpel in the embodiment of the invention is also provided with a light filtering part on the near-infrared optical fiber limiter, and the light filtering part is used for adjusting the laser emission amount, so that the effect of adjusting the laser emission temperature is achieved.
Drawings
Fig. 1 is a schematic structural view of a scalpel in the embodiment of the present invention.
Fig. 2 is an exploded schematic view of a scalpel in the embodiment of the present invention.
Reference numerals:
1-a knife shell; 2-fixing the joint; 3-near infrared optical fiber limiter; 4-a shell; 5-a connector; 6-a first limiting part; 7-a second limiting part; 8-cutter head.
Detailed Description
The following detailed description of specific embodiments of the present invention is provided in connection with the accompanying drawings, which are not intended to limit the invention.
It will be understood that various modifications may be made to the embodiments disclosed herein. The following description is, therefore, not to be taken in a limiting sense, but is made merely as an exemplification of embodiments. Other modifications will occur to those skilled in the art within the scope and spirit of the disclosure.
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the disclosure and, together with a general description of the disclosure given above, and the detailed description of the embodiments given below, serve to explain the principles of the disclosure.
These and other characteristics of the invention will become apparent from the following description of a preferred form of embodiment, given as a non-limiting example, with reference to the accompanying drawings.
It should also be understood that, although the invention has been described with reference to some specific examples, a person of skill in the art shall certainly be able to achieve many other equivalent forms of the invention, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.
The above and other aspects, features and advantages of the present disclosure will become more apparent in view of the following detailed description when taken in conjunction with the accompanying drawings.
Specific embodiments of the present disclosure are described hereinafter with reference to the accompanying drawings; however, it is to be understood that the disclosed embodiments are merely examples of the disclosure that may be embodied in various forms. Well-known and/or repeated functions and structures have not been described in detail so as not to obscure the present disclosure with unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present disclosure in virtually any appropriately detailed structure.
The specification may use the phrases "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," which may each refer to one or more of the same or different embodiments in accordance with the disclosure.
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, an embodiment of the present invention provides a scalpel, including:
a knife housing 1;
the fixed joint 2 is detachably arranged on the cutter shell 1 and is used for forming an accommodating space by matching with the cutter shell 1; and
the near-infrared optical fiber limiter 3 is detachably arranged in the accommodating space, a limiting space used for limiting the near-infrared optical fiber is formed in the near-infrared optical fiber limiter 3, one end of the near-infrared optical fiber is abutted to the fixed joint 2, the other end of the near-infrared optical fiber extends into the limiting space, and a cutter head 8 only allowing laser of a preset amount to penetrate out is arranged at one end, deviating from the fixed joint 2, of the near-infrared optical fiber limiter 3.
That is, at least one end of the knife housing 1 is an open end, and the fixed joint 2 is installed on the open end to form the accommodating space with the knife housing 1. The near-infrared optical fiber is arranged in a limit space in the near-infrared optical fiber limiter 3 and is arranged in the knife shell 1 through the near-infrared optical fiber limiter 3, and one end, facing the fixed joint 2, of the near-infrared optical fiber is connected with the fixed joint 2 so as to enhance the fixing effect. When a user, such as a doctor, wants to replace the near-infrared optical fiber, the user only needs to remove the fixing joint 2 to take out the near-infrared optical fiber together, that is, the near-infrared optical fiber is separated from the cutter housing 1, and then the doctor or removes the near-infrared optical fiber, replaces a new near-infrared optical fiber on the fixing joint 2, and finally fixes the near-infrared optical fiber in the cutter housing 1 through the fixing joint 2; or directly replacing another near infrared optical fiber limiter 3 fixed with a recent infrared optical fiber and connecting the limiter with the fixed joint 2 so as to be arranged in the cutter shell 1 through the fixed joint 2. Therefore, the scalpel in the embodiment is used for surgery, so that the near-infrared optical fiber can be independently arranged in the scalpel shell 1, a user can conveniently detach and replace the near-infrared optical fiber, the operation difficulty of detaching and replacing the near-infrared optical fiber is remarkably reduced, the risk of damaging the near-infrared optical fiber is reduced, and the use safety of the near-infrared optical fiber is improved. In addition, the scalpel in the embodiment of the invention is also provided with the scalpel head 8 capable of adjusting the laser emission amount on the near-infrared optical fiber limiter 3, so that the effect of adjusting the laser emission temperature is realized only through the scalpel head 8, and the patient is prevented from being burnt.
Further, as shown in fig. 2, the knife housing 1 in the present embodiment includes a housing 4 with two open ends, and the housing 4 is cylindrical, but may be other shapes, such as square cylinder, etc.; the device also comprises a connector 5 which is detachably arranged on the first end of the shell 4, the connector 5 is simultaneously communicated with the limit space, and the fixed connector 2 is arranged on the second end of the shell 4.
Specifically, the connector 5 in this embodiment is screwed or buckled on the housing 4. When the connection structure is a snap-fit connection, it is preferable that the connection head 5 and the housing 4 are correspondingly provided with a matching concave-convex matching structure to increase the connection firmness. Further, the fixing joint 2 in this embodiment is in a cap shape, and is also fixed on the housing 4 in a screwing or buckling manner, and similarly, when the fixing joint 2 and the housing 4 are in a buckling manner, it is preferable that matching concave-convex matching structures are correspondingly provided on the fixing joint 2 and the housing 4, so as to increase the firmness of connection. A limit part for limiting the near-infrared optical fiber is further formed in the fixed joint 2, and the structure of the limit part is not unique as long as the fiber can be fixed.
With reference to fig. 2, in this embodiment, the first end of the housing 4 has a first position-limiting portion 6, the near-infrared fiber position-limiter 3 has a second position-limiting portion 7 capable of cooperating with the first position-limiting portion 6 to limit the position of the near-infrared fiber position-limiter 3, and when the first position-limiting portion 6 and the second position-limiting portion 7 interact with each other, one end of the near-infrared fiber position-limiter 3 facing the connector 5 extends out of the connector 5 by a fixed length. That is, the end of the near-infrared optical fiber limiter 3 provided with the cutter head 8 extends out of the connector 5 at a fixed length.
Specifically, the first position-limiting portion 6 in this embodiment is formed by first retracting the second end of the housing 4 and then extending outward along the axial direction of the housing 4. The outer surface of the second limiting part 7 can be provided with threads or a concave-convex matching structure matched with the connector 5, so that the connection with the connector 5 is realized. The near-infrared optical fiber limiter 3 is in a shape of a round bar, and the second limiting part 7 is a step surface which is formed on the near-infrared optical fiber limiter 3 and can be abutted against the first limiting part 6. Of course, the connector may be a joint that can abut against the outer edge of the first stopper 6, instead of a stepped surface, such as a single rib, or a plurality of stopper protrusions that are uniformly distributed on the same circumference of the near-infrared optical fiber stopper 3.
With reference to fig. 2, the end of the near-infrared optical fiber stopper 3 extending out of the connector 5 is wedge-shaped, that is, the end of the near-infrared optical fiber stopper 3 provided with the tool bit 8 is wedge-shaped. Moreover, the outer edge of the wedge-shaped end is curved to increase the fixing force to the cutter head 8, and simultaneously, the outer shape of the cutter head 8 can be adjusted, so that the cutting range can be adjusted. Of course, the port may also be generally circular, square, etc. with an outer edge that is linear or circular, etc.
Preferably, the tool tip 8 in this embodiment is a gem tip 8, such as white gem, ruby, sapphire, quartz, etc. The light transmittance of the material for the cutter head 8 is matched with the wavelength of the near-infrared laser emitted by the near-infrared optical fiber,
the material of the gem at least needs to meet the requirements of enabling the laser to transmit and shielding some laser, so that the effect that the depth of the laser cannot be controlled when the laser is emitted is achieved.
In addition, a lens can be arranged in the cutter head 8, so that the light beam divergence effect can be corrected and reduced through the lens effect, and the light beam is easy to control for assisting the operation.
In addition, the shape of the cutting head 8 is not exclusive, and may be, for example, a round head type cutting head 8 for rapid vaporization of human tissue, a flat head type cutting head 8 for coagulation hemostasis of wounds, or a tapered head type cutting head 8 for surgical cutting or the like. That is, the blade portion of the cutter head 8 may be parallel to the incident surface or may be curved to function as a lens for providing a focusing function; or beveled to create one or more cutting edges to limit the point of emergence of the laser radiation and to provide a cutting edge that can be used in combination with the radiation to cauterize the incision while hemostasis is being achieved. Moreover, in order to facilitate the operation of the user, such as medical staff, the near-infrared fiber stopper 3 of the present embodiment is preferably bendable at least at the portion where the cutter head 8 is provided, so that the cutter head 8 can be bent accordingly with the application of force in a certain direction by the medical staff.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (10)
1. A surgical knife, comprising:
a knife housing;
the fixed joint is detachably arranged on the cutter shell and is used for being matched with the cutter shell to form an accommodating space; and
the near-infrared optical fiber limiter is detachably arranged in the accommodating space, a limiting space used for limiting the near-infrared optical fiber is formed in the near-infrared optical fiber limiter, one end of the near-infrared optical fiber is abutted to the fixed joint, the other end of the near-infrared optical fiber extends into the limiting space, and one end of the near-infrared optical fiber limiter, which deviates from the fixed joint, is provided with a cutter head only allowing the laser with preset quantity to penetrate out.
2. The scalpel according to claim 1, wherein the scalpel housing comprises a housing with two open ends and a connector detachably mounted on a first end of the housing and communicated with the limiting space, and the fixed connector is mounted on a second end of the housing.
3. The scalpel of claim 2, wherein the connector is screwed or fastened to the housing.
4. The scalpel of claim 2, wherein the fixed joint is in the shape of a cap, and is screwed or buckled on the housing, and a position-limiting portion for limiting the near-infrared optical fiber is formed in the fixed joint.
5. The scalpel of claim 2, wherein the first end of the housing has a first position-limiting portion, the near-infrared fiber retainer has a second position-limiting portion thereon, the second position-limiting portion being capable of cooperating with the first position-limiting portion to limit the near-infrared fiber retainer, and when the first position-limiting portion and the second position-limiting portion cooperate, the near-infrared fiber retainer extends out of the connector at a fixed length toward the end of the connector.
6. The scalpel according to claim 5, wherein the housing is cylindrical, the first position-limiting portion is formed by retracting the second end of the housing, the near-infrared optical fiber stopper is rod-shaped, and the second position-limiting portion is a step surface formed on the near-infrared optical fiber stopper and capable of abutting against the first position-limiting portion.
7. The scalpel of claim 5, wherein the end of the near infrared fiber stop extending beyond the connector is wedge-shaped and has a curved outer edge.
8. The scalpel of claim 5, wherein the blade is any one of a ruby blade, a sapphire blade, a white stone blade, and a quartz blade.
9. The scalpel of claim 8, wherein the blade has a light transmittance that matches a wavelength of the near infrared laser light emitted by the near infrared fiber.
10. The scalpel of claim 1, wherein at least the portion of the near infrared fiber stop on which the blade is disposed is bendable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910271863.5A CN111772789B (en) | 2019-04-04 | 2019-04-04 | Surgical knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910271863.5A CN111772789B (en) | 2019-04-04 | 2019-04-04 | Surgical knife |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111772789A true CN111772789A (en) | 2020-10-16 |
| CN111772789B CN111772789B (en) | 2024-03-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910271863.5A Active CN111772789B (en) | 2019-04-04 | 2019-04-04 | Surgical knife |
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| CN (1) | CN111772789B (en) |
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| US20190083177A1 (en) * | 2016-05-05 | 2019-03-21 | Joe D. Brown | Protective caps of tips for surgical laser fibers |
| WO2018145186A1 (en) * | 2017-02-10 | 2018-08-16 | Юрий Юрьевич ПОЛУМИСКОВ | Fibre-optic instrument and replaceable tip for same (variants) |
| CN207679529U (en) * | 2017-07-03 | 2018-08-03 | 沈阳雷卓激光医疗器械有限公司 | A kind of compatible disposable optical-fibre needle cuts laser handle arrangement |
| CN208260018U (en) * | 2017-08-31 | 2018-12-21 | 武汉美迪菲科技有限公司 | A kind of dentistry laser therapy optical tool bit and dentistry laser cure apparatus |
| CN208259787U (en) * | 2017-08-31 | 2018-12-21 | 武汉美迪菲科技有限公司 | A kind of four-in-one dental care handle |
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