CN116407216A - Medical protection arm, medical energy instrument and distal end acting portion thereof - Google Patents

Medical protection arm, medical energy instrument and distal end acting portion thereof Download PDF

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Publication number
CN116407216A
CN116407216A CN202111635228.4A CN202111635228A CN116407216A CN 116407216 A CN116407216 A CN 116407216A CN 202111635228 A CN202111635228 A CN 202111635228A CN 116407216 A CN116407216 A CN 116407216A
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CN
China
Prior art keywords
protection arm
medical protection
medical
arm
executor
Prior art date
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Pending
Application number
CN202111635228.4A
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Chinese (zh)
Inventor
张学刚
黄旭
邓荣海
蔡炳清
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Shenzhen Mindray Bio Medical Electronics Co Ltd
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Shenzhen Mindray Bio Medical Electronics Co Ltd
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Application filed by Shenzhen Mindray Bio Medical Electronics Co Ltd filed Critical Shenzhen Mindray Bio Medical Electronics Co Ltd
Priority to CN202111635228.4A priority Critical patent/CN116407216A/en
Publication of CN116407216A publication Critical patent/CN116407216A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • 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
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • 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
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320072—Working tips with special features, e.g. extending parts
    • A61B2017/320074—Working tips with special features, e.g. extending parts blade
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320082—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic for incising tissue
    • 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
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B2018/1405—Electrodes having a specific shape
    • A61B2018/1412—Blade

Abstract

The utility model provides a medical protection arm, medical energy instrument and distal end effect portion thereof, the both ends of medical protection arm are link and insertion end respectively, and the link of medical protection arm is used for rotating with the one end of executor to be connected, and medical protection arm has the front towards the executor and the back that faces away from the executor, has the side respectively between the both sides of front and the both sides at the back. The back and/or the side of the medical protection arm are/is provided with the anti-adhesive layer, so that the medical protection arm can be prevented from adhering with tissues by the anti-adhesive layer; the back and/or the side of the medical protection arm are continuous surfaces, the continuous surfaces are complete surfaces without grooves or holes, the continuous surfaces are also beneficial to anti-adhesion, the continuous surfaces are also beneficial to adhesion of an anti-adhesion layer, the anti-adhesion efficiency can be further improved, and meanwhile, the continuous surfaces are also convenient to clean; the medical protection arm with the anti-sticking function can prevent adhesion from affecting the vision of doctors and judging tissue boundaries, and further can improve the operation efficiency and accuracy.

Description

Medical protection arm, medical energy instrument and distal end acting portion thereof
Technical Field
The invention relates to the technical field of medical instruments, in particular to a medical protection arm, a medical energy instrument and a far-end acting part thereof.
Background
It is known that in energy surgical instruments (e.g., ultrasonic or electric) the blade head performs the functions of cutting, separating, coagulating, clamping, etc. tissue by means of a distal actuator. Taking an ultrasonic knife as an example, the distal acting part of the ultrasonic knife head consists of an end effector and the front surface of a ultrasonic knife waveguide rod; the front surface is generally composed of a tissue pad made of a polymeric material and a clamping arm made of a metallic material. However, the current clamping arms have the following problems in cutting, separating and clamping tissue:
the clamping arm of the current product tool bit is easy to adhere to tissues, the adhered tissues are generated Jiao Jia under the action of heat, the vision of doctors is affected, the boundaries of the tissues are judged, and the doctors need to continuously clean the adhered tissues on the clamping arm in the operation process, so that the operation efficiency and accuracy are affected. In addition, in the current product, the tool bit is offered along axial arrangement on the centre gripping arm, and the little recess of radial sunken of axial non-through small-size, and easy dirty and dirty is received, difficult clean.
Disclosure of Invention
In one embodiment, a medical protection arm is provided, wherein two ends of the medical protection arm are respectively a connecting end and an inserting end, the medical protection arm is provided with a front surface facing an actuator and a back surface facing away from the actuator, and two sides of the front surface and two sides of the back surface are respectively provided with side surfaces;
the back and/or the side of the medical protection arm are/is provided with an anti-adhesive layer; the back and/or the side of the medical protection arm are continuous surfaces, and the continuous surfaces are complete surfaces without grooves or holes.
In one embodiment, the front face of the medical protection arm and/or the end face of the insertion end is provided with an anti-adhesive layer.
In one embodiment, the anti-adhesive layer is a coating or a deposited layer.
In one embodiment, the back surface is curved or planar, and the side surface is curved or planar.
In one embodiment, a transition surface is provided between the back surface and the side surface, the transition surface being disposed obliquely with respect to the back surface and the side surface.
In one embodiment, the transition surface is a concave curved surface.
In one embodiment, the medical boom is tapered in size along the connecting end toward the insertion end.
In one embodiment, the medical protection arm tapers in size from the connecting end toward the insertion end, in the direction of the connecting end toward the insertion end.
In one embodiment, a guiding structure is arranged on the back surface of the insertion end of the medical protection arm, and the guiding structure is used for guiding the medical protection arm to be inserted into tissues.
In one embodiment, the guide structure includes a countersink that is countersunk relative to the back surface and an inclined surface that is connected between the back surface and the countersink.
In one embodiment, the guide structure is an inclined surface extending obliquely from the rear surface to the end surface of the insertion end.
In one embodiment, the medical protection arm is curved in a plane in which the front face lies.
In one embodiment, the front surface of the medical protection arm is provided with a mounting part, and the mounting part is used for mounting the protection pad.
In one embodiment, a medical protection arm is provided, and is used in cooperation with a medical actuator, two ends of the medical protection arm are respectively a connection end and an insertion end, the connection end of the medical protection arm is used for being rotationally connected with one end of the actuator, the medical protection arm is provided with a front surface facing the actuator and a back surface facing away from the actuator, two sides of the front surface and two sides of the back surface are respectively provided with a side surface, and the back surface and/or the side surface of the medical protection arm are/is provided with an anti-adhesive layer
In an embodiment, a medical protection arm is provided for cooperation medical executor uses, the both ends of medical protection arm are link and insertion end respectively, the link of medical protection arm be used for with the one end rotation of executor is connected, medical protection arm has the orientation the front of executor with be directed away from the back of executor, have the side respectively between the both sides of front with the both sides of back, the back and/or the side of medical protection arm are continuous face, continuous face is the complete face that does not establish groove or hole.
In one embodiment, there is provided a distal action portion of a medical energy instrument, comprising:
an actuator for generating energy to act on tissue; and
according to the medical protection arm, the front face of the medical protection arm faces the actuator, and the connecting end of the medical protection arm is rotatably connected with one end of the actuator.
In one embodiment, the protective arm further comprises a protective pad mounted on the front face of the medical protective arm.
In one embodiment, a medical energy device is provided, including a handle, a tube sleeve, and the distal end acting portion described above, wherein the distal end acting portion is connected to the handle through the tube sleeve, and the handle is used for controlling mechanical movement and energy execution of the distal end acting portion.
According to the medical protection arm, the medical energy instrument and the far-end acting part thereof, as the back and/or the side surface of the medical protection arm are provided with the anti-adhesion layer, the anti-adhesion layer can prevent the medical protection arm from adhering with tissues; the back and/or the side of the medical protection arm are continuous surfaces, the continuous surfaces are complete surfaces without grooves or holes, the continuous surfaces are also beneficial to anti-adhesion, the continuous surfaces are also beneficial to adhesion of an anti-adhesion layer, the anti-adhesion efficiency can be further improved, and meanwhile, the continuous surfaces are also convenient to clean; the medical protection arm with the anti-sticking function can prevent adhesion from affecting the vision of doctors and judging tissue boundaries, and further can improve the operation efficiency and accuracy.
Drawings
FIG. 1 is a schematic view of a distal end effector in one embodiment;
FIG. 2 is a side view of a medical shield arm according to one embodiment;
FIG. 3 is a top view of a medical protective arm according to one embodiment;
FIG. 4 is an axial cross-sectional view of a medical shield arm according to one embodiment;
FIG. 5 is a perspective view of a medical shield arm according to one embodiment;
FIG. 6 is a schematic diagram of a medical energy device according to one embodiment;
wherein the reference numerals are as follows:
1. actuator, 2-guard arm, 21-front, 221-mount, 22-back, 23-side, 24-transition, 25-guide structure, 3-guard pad, 100-distal action, 200-handle, 201-grip, 202-button, 203-trigger, 204-knob, 300-socket.
Detailed Description
In the existing product, energy knife heads such as medical ultrasonic knives only carry out anti-sticking treatment on an actuator (ultrasonic rod), but medical protection arms do not carry out anti-sticking treatment, and the surface reasons are as follows: the existing actuator is of a grooved structure without holes, four sides of the actuator are continuous surfaces, and anti-sticking treatment of the actuator is easy to realize; the surface of the medical protection arm is a discontinuous surface with holes or grooves, and the anti-sticking treatment of the medical protection arm is difficult to realize. The underlying reason for the deep layer is: firstly, because the surface of the medical protection arm facing the actuator needs to be provided with a protection pad, the surface of the medical protection arm facing the actuator needs to be provided with a mounting structure such as a mounting groove for mounting the protection pad, and the surface of the medical protection arm facing away from the actuator needs to be provided with a groove or a hole for clamping for processing the mounting structure such as the mounting groove, the back surface of the medical protection arm is a discontinuous surface with a groove hole, and structures such as the groove hole on the discontinuous surface are easy to clamp and adhere tissues; secondly, the non-continuous surface is difficult to adhere with anti-sticking materials; and thirdly, even if the anti-sticking material is attached to the discontinuous surface, the area where the slot hole is positioned is still a non-adhesive area due to the existence of the slot hole structure, and the structures such as the slot hole and the like still easily block and stick tissues, so that the anti-sticking effect cannot be realized even if the anti-sticking material is attached to the back surface of the medical protection arm. For the above reasons, the traditional Chinese medicine protective arm of the existing product is easy to adhere to tissues.
In the application, the applicant processes the medical protection arm through a special processing technology, so that at least the back surface and/or the side surface of the medical protection arm are continuous surfaces, the continuous surfaces are complete surfaces without structures such as holes or grooves, and the medical protection arm is provided with a mounting groove for mounting the front surface. The continuous medical protection arm has better anti-sticking effect, and the anti-sticking layer is easier to be added on the back and/or the side continuously, so that the anti-sticking effect is improved.
The applicant has carried out multiple improvement to the structure of medical protection arm on the basis of setting up continuous face and anti-sticking layer, if set up medical protection arm as gradual change structure, be provided with duckbill structure at the front end of medical protection arm, all can further improve antiseized efficiency, be favorable to the activity of medical protection arm in the human body.
The invention will be described in further detail below with reference to the drawings by means of specific embodiments. Wherein like elements in different embodiments are numbered alike in association. In the following embodiments, numerous specific details are set forth in order to provide a better understanding of the present application. However, one skilled in the art will readily recognize that some of the features may be omitted, or replaced by other elements, materials, or methods in different situations. In some instances, some operations associated with the present application have not been shown or described in the specification to avoid obscuring the core portions of the present application, and may not be necessary for a person skilled in the art to describe in detail the relevant operations based on the description herein and the general knowledge of one skilled in the art.
Furthermore, the described features, operations, or characteristics of the description may be combined in any suitable manner in various embodiments. Also, various steps or acts in the method descriptions may be interchanged or modified in a manner apparent to those of ordinary skill in the art. Thus, the various orders in the description and drawings are for clarity of description of only certain embodiments, and are not meant to be required orders unless otherwise indicated.
The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "coupled" and "connected," as used herein, are intended to encompass both direct and indirect coupling (coupling), unless otherwise indicated.
In one embodiment, a medical protection arm (hereinafter referred to as protection arm) is provided, where the protection arm is used for being inserted into tissue and used with an actuator, and the protection arm can be used with the actuator to perform operations such as cutting, coagulation, clamping, separating, and the like. The anti-adhesion design is carried out on the protection arm, so that the protection arm is not easy to adhere to tissues in the operation process, the operation efficiency can be improved, and the influence of the adhesion of the protection arm and the tissues on the vision of doctors and the operation can be avoided.
In this embodiment, the protection arm 2 has a long strip structure, two ends in the length direction of the protection arm 2 are a connection end and an insertion end, the insertion end of the protection arm 2 is used as a head to be inserted into tissue, the connection end of the protection arm 2 is used for rotationally connecting one end of the actuator 1, for example, the connection end of the protection arm 2 is rotationally connected with one end of the actuator 1 through a rotating shaft; or a connecting seat is arranged between the protection arm 2 and the actuator 1, the connecting end of the protection arm 2 is arranged on the connecting seat through a rotating shaft, and one end of the actuator 1 is fixed on the connecting seat, so that the connecting end of the protection arm 2 is indirectly connected with one end of the actuator 1 in a rotating way; both modes can realize scissor-type opening and closing movements of the protection arm 2 relative to the actuator 1. When the actuator 1 and the protection arm 2 are closed, a gap of tissue can be accessed; when the actuator 1 and the protection arm 2 are opened, the tissue can be separated.
The protection arm 2 has a front surface 21 facing the actuator 1 and a rear surface 22 facing away from the actuator 1 in the longitudinal direction, and both sides of the front surface 21 and both sides of the rear surface 22 have side surfaces 23, respectively, and one front surface 21, one rear surface 22, and both side surfaces 23 enclose an outer surface in the longitudinal direction of the protection arm 2.
In this embodiment, the front surface of the protection arm 2 is provided with a mounting portion 211, the front surface of the protection arm 2 is used for mounting a protection pad 3, the protection pad 3 is located between the actuator 1 and the protection arm 2, and the protection pad 3 is used for protecting tissues during operations such as cutting; in other embodiments, the front surface of the protection arm 2 is not provided with the mounting portion 211, and the front surface of the protection arm 2 can also be directly matched with the actuator 1 to perform the operation, and the requirement of partial operation can also be met.
In this embodiment, the installation department 211 is the mounting groove, the mounting groove extends along the length direction of protection arm 2 and sets up, the mounting groove is T structure in length direction's transversal personally submits, the opening of mounting groove on openly is the narrowing setting, protection pad 3 is towards the T type protruding structure of mounting groove adaptation on the face of protection arm 2, protection pad 3 installs in the mounting groove of protection arm 2, the setting of T type structural connection for protection pad 3 can realize the dismouting in length direction from protection arm 2, can also realize the spacing of protection arm 2 direction of height and width direction. The protection pad 3 is detachably and fixedly connected with the protection arm 2, the protection pad 3 moves along with the protection arm 2, the protection pad 3 can be opened and closed relative to the actuator 1, and when the actuator 1 performs operations such as cutting on a human body.
In other embodiments, the mounting portion 211 may be adapted according to the protection pad 3, for example, the mounting portion 211 is provided with a T-shaped protrusion, the protection pad 3 has a T-shaped mounting groove, and detachable mounting of the protection pad 3 and the mounting portion 211 can be achieved.
In other embodiments, the protection arm 2 includes only the protection arm 2 and the protection pad 3 is used as an external component when the distal end acting portion leaves the factory.
In this embodiment, preferably, the medical protection arm 1 is bent in the plane where the front surface is located, so that the central line of the actuator 1 in the length direction is a curve, the connection end and the insertion end are located at two ends of the curve, and the medical protection arm 1 with the bent structure is beneficial to the operation and observation of tissues of a doctor. In other embodiments, the center line of the medical protection arm 1 may be a straight line or a curve with different curvatures, so as to meet the use requirement of a certain surgical scene.
Since the main surfaces of the protective arm 2 which come into contact with the tissue are the back surface 22 and the side surface 23, it is preferable in this embodiment that an anti-adhesive layer is provided on the back surface 22 and the side surface 23 of the protective arm 2 so that the protective arm 2 has an anti-adhesive effect.
In other embodiments, the protective arm 2 is provided with an anti-adhesion layer on all surfaces, i.e. the front, back, side and end surfaces of the connecting end and the inserting end of the protective arm 2, i.e. all exposed surfaces of the protective arm 2 are provided with anti-adhesion layers, which has a better anti-adhesion effect.
In other embodiments, the release effect can be further improved by providing the back surface 22, the side surface 23 and the end surface of the insertion end of the protection arm 2 with an anti-adhesive layer, or by providing the front surface 21, the back surface 22, the side surface 23 and the insertion end of the protection arm 2 with an anti-adhesive layer.
In other embodiments, the release effect is also improved over prior art protective arms without release effect by providing only the back side 22 of the protective arm 2 or only the side 23 of the protective arm 2 with a release layer.
In this embodiment, the process for manufacturing the anti-sticking layer includes, but is not limited to: coating, dipping, spraying, brushing, drying, melting, laser curing, UV curing, anodic oxidation, electroplating, chemical deposition, physical Vapor Deposition (PVD), chemical Vapor Deposition (CVD), thermal spraying, thick film high velocity oxygen flame plasma, and other suitable material application techniques. Wherein the anti-adhesive layer is preferably applied by spraying or physical vapor deposition to the protective arm 2 to form a coating or deposited layer, respectively.
Materials for the release layer are preferably polymeric materials and polymer-containing materials, including but not limited to: carbon tetrafluoride, hexafluoroethane, hexafluoropropane, heptafluoropropane, octafluoropropane, perfluorobutane, perfluoropentane, decafluoropentane, perfluorohexane, copolymers of Tetrafluoroethylene (TFE) and Hexafluoropropylene (HFP) (FEP), FEP/ceramic composites, polytetrafluoroethylene (PTFE), PTFE/ceramic composites, polypropylene, polyethylene, polycaprolactone; non-polymers such as, but not limited to, tungsten disulfide, molybdenum disulfide, graphite, aluminum oxide, tungsten oxide, titanium nitride, chromium carbide, tungsten carbide, metallized ceramic, stainless steel, molybdenum; silica gel, inorganic polysilazane, organic polysilazane, modified inorganic polysilazane, and modified organic polysilazane. The material of the release layer may be formed from one or more combinations of the above. The material of the anti-sticking layer is preferably Polytetrafluoroethylene (PTFE), PTFE/ceramic composite and chromium nitride coating.
In the present embodiment, the back surface 22 and the side surface 23 of the protection arm 2 are continuous surfaces, the continuous surfaces are surfaces not including structures such as grooves or holes, the back surface 22 and the side surface 23 do not extend in the longitudinal direction of the protection arm 2 without any protruding or recessed structural obstacle, the back surface 22 and the side surface 23 are complete continuous surfaces, and when the protection arm 2 is bent as a whole, the back surface 22 and the side surface 23 are curved surfaces; if the protective arm 2 is provided in a straight strip-like configuration, the rear face 22 and the side face 23 are planar. The complete continuous back 22 and side 23 have no convex or concave structures, and the back 22 and side 23 are smooth in appearance, so that the back 22 and side 23 are not easy to adhere to tissues in the process of contacting the tissues.
In other embodiments, the anti-sticking effect is also improved by providing only the back surface 22 of the guard arm 2, or only the side surface of the guard arm 2 as a continuous surface, as compared with the conventional guard arm having slots on both the back surface and the side surface.
The back 22 and the side 23 of the protection arm 2 can be connected with tissues in an anti-sticking way on the basis of a smooth and continuous structure; and the back surface 22 and the side surface 23 are also adhered with anti-sticking layers, so that the anti-sticking effect can be further improved.
In one embodiment, a transition surface 24 is provided between the rear surface 22 and the side surface 23 of the protective arm 2, and one transition surface 24 is provided on each side of the rear surface 22. The transition face 24 is just like the inclined plane that the chamfer formed is done to the edge between back 22 and the side 23, and the transition face 24 inclines with back 22 and side 23 respectively, and the transition face 24 can eliminate the edge between back 22 and the side 23 for the connection transition between back 22 and the side 23 is smoother, has avoided the damage of edges and corners limit to the tissue, and the setting of transition face 24 has reduced protection arm 2 volume simultaneously, and then can improve protection arm 2's anti-sticking nature, and is favorable to protection arm 2 to insert into the tissue gap.
In this embodiment, the transition surface 24 is preferably a concave curved surface, so that the protection arm 2 is convenient to hang the tissue, and thus the tissue separation and other operations can be realized, and the transition surface 24 is not easy to adhere to the tissue in the process of inserting and extracting the protection arm 2 because the transition surface 24 extends from the insertion end to the connection end of the protection arm 2. In other embodiments, the transition surface 24 may be configured as a planar surface, and the planar transition surface 24 may also reduce the bulk of the arm 2, as compared to the direct connection of the back surface 22 and the side surface 23, which may be advantageous for improved adhesion resistance and insertion into tissue gaps.
In one embodiment, the protecting arms 2 are gradually arranged along the length direction, and the protecting arms 2 gradually shrink along the direction from the connecting end to the inserting end. Wherein the downsizing of the protection arm 2 includes downsizing in two dimensions, the width of the back surface 22 and the width of the side surface 23 of the protection arm 2 are gradually reduced in the direction of the insertion end along the connection end, as in fig. 2 and 3, the X width (the height direction of the protection arm 2) and the Y width (the width direction of the protection arm 2) of the protection arm 2 are gradually reduced in the length direction, and the insertion end of the protection arm 2 is smaller than the connection end.
The setting of protection arm 2 gradual change structure, the size of the inserted end of protection arm 2 is less than the size of link, and the size of link to inserted end diminishes gradually, and the inserted end of protection arm 2 forms the tip, and the tip can play the effect of direction for protection arm 2 is in the gap of inserting the tissue easily and is pulled out from human tissue more easily.
In other embodiments, the protection arm 2 is gradually arranged along the length direction only in one direction of height or width, and the protection arm 2 can be gradually reduced from the connecting end to the inserting end, so that certain guiding and anti-sticking effects can be achieved.
In one embodiment, the rear surface 22 of the insertion end of the protection arm 2 is provided with a guide structure 25, the guide structure 25 includes a sinking surface and an inclined surface, the sinking surface is lower than the rear surface 22 in the X direction (the height direction of the protection arm 2) in fig. 2, the sinking surface is located at the most end, the thickness of the part where the sinking surface is located is smaller than the thickness of other parts of the protection arm 2, the sinking surface is a plane, and the end of the insertion end is formed into a flat structure by the sinking surface. The inclined surface is located between the sinking surface and the back surface 22, the sinking surface, the inclined surface and the back surface 22 being connected in sequence to form a continuous surface, and the guide structure 25 enables the insertion end of the protection arm 2 to form a flat duckbill structure. The arrangement of the guide structure 25 makes the insertion end of the protection arm 2 have a thinner and flatter end, the thinner and flatter end further reduces the size of the insertion end of the protection arm 2, the insertion end of the protection arm 2 is more beneficial to being inserted into a gap of human tissue, and meanwhile, the flat structure of the insertion end can also hang the tissue, and the fine operations such as separation and the like are facilitated.
In other embodiments, the guiding structure 25 is an inclined surface, the inclined surface extends from the back surface 22 to the end surface of the insertion end, the inclined surface and the back surface 22 are sequentially connected to form a continuous surface, the guiding structure 25 enables the insertion end of the protection arm 2 to form a tip end portion, and the size of the insertion end of the protection arm 2 is reduced, so that the insertion end of the protection arm 2 is beneficial to being inserted into a gap of human tissue.
In one embodiment, a distal action portion is provided, the distal action portion resembling a scissors structure, the distal action portion being configured to perform operations on tissue by means of electrical energy, ultrasound, thermal energy, etc., the distal action portion being configured to perform operations on tissue during the surgical procedure, such as cutting, coagulation, clamping, and separation.
Referring to fig. 1 to 5, the distal acting portion mainly includes an actuator 1 and a protection arm 2, the actuator 1 is an energy actuator, the actuator 1 is in a rod-shaped structure, and the actuator 1 is used for generating energy to act on tissue, such as cutting or coagulating the tissue by generating ultrasonic waves or heat energy.
The protection arm 2 is the protection arm 2 in any embodiment, the protection arm 2 is integrally matched with the actuator 1, the specific protection arm 2 is similar to the actuator 1 in appearance, and the length and width of the protection arm 2 are opposite or approximately equal to those of the actuator 1.
The anti-sticking layer can be arranged on the actuator 1, and the actuator 1 has the dual anti-sticking effects of the anti-sticking layer and the continuous surface, so that the cutter head can be operated freely under the operations of cutting, coagulation, clamping, separating and the like, and the efficiency and the precision of the operation are improved.
In other embodiments, the protection arm 2 is further provided with a protection pad 3. The front surface of the protection arm 2 is provided with a mounting part 211, the protection pad 3 is mounted on the front surface of the protection arm 2, the protection pad 3 is positioned between the actuator 1 and the protection arm 2, and the protection pad 3 is used for protecting tissues during operations such as cutting and the like;
in this embodiment, the installation department 211 is the mounting groove, the mounting groove extends along the length direction of protection arm 2 and sets up, the mounting groove is T structure in length direction's transversal personally submits, the opening of mounting groove on openly is the narrowing setting, protection pad 3 is towards the T type protruding structure of mounting groove adaptation on the face of protection arm 2, protection pad 3 installs in the mounting groove of protection arm 2, the setting of T type structural connection for protection pad 3 can realize the dismouting in length direction from protection arm 2, can also realize the spacing of protection arm 2 direction of height and width direction. The protection pad 3 is detachably and fixedly connected with the protection arm 2, the protection pad 3 moves along with the protection arm 2, the protection pad 3 can be opened and closed relative to the actuator 1, and when the actuator 1 performs operations such as cutting on a human body.
In other embodiments, the mounting portion 211 may be adapted according to the protection pad 3, for example, the mounting portion 211 is provided with a T-shaped protrusion, the protection pad 3 has a T-shaped mounting groove, and detachable mounting of the protection pad 3 and the mounting portion 211 can be achieved.
Referring to fig. 6, in one embodiment, a medical energy device is provided, which mainly includes three parts, namely a handle 200, a sleeve 300, and a distal action portion 100 according to any of the above embodiments. Distal working portion 100 is connected to handle 200 by sleeve 300.
The handle 200 comprises a grip 201, a button 202 and a trigger 203, wherein the grip 201 is similar to a gun grip, a containing cavity is formed in the grip 201, a connecting end is arranged at the front end of the grip 201, the front end of the grip 201 is connected with the pipe sleeve 300 through a knob 204, and the pipe sleeve 300 and the grip 201 can be disassembled and assembled through the knob 204. The button 202 and the trigger 203 are both installed at the front end of the grip 201, and the knob 204, the button 202 and the trigger 203 are sequentially arranged from top to bottom. The grip 201 is internally provided with a circuit and a mechanical structure which are electrically and mechanically connected with the distal end action part 100 through the pipe sleeve 300, the trigger 203 is used for controlling the opening and closing mechanical movement of the distal end action part 100, and the button 202 is used for controlling the actuator 1 on the distal end action part 100 to generate energy bodies such as ultrasonic waves or heat energy.
The doctor can perform operations such as cutting, coagulation, clamping, and separation of the distal end application portion 100 by the button 202 and the trigger 203.
In this embodiment, the distal end acting portion 100 according to the above embodiment can prevent adhesion between the tissue and the surgical procedure, and can improve the efficiency and accuracy of the surgery.
The foregoing description of the invention has been presented for purposes of illustration and description, and is not intended to be limiting. Several simple deductions, modifications or substitutions may also be made by a person skilled in the art to which the invention pertains, based on the idea of the invention.

Claims (17)

1. The medical protection arm is characterized in that two ends of the medical protection arm are respectively a connecting end and an inserting end, the medical protection arm is provided with a front surface facing the actuator and a back surface facing away from the actuator, and side surfaces are respectively arranged between two sides of the front surface and two sides of the back surface;
the back and/or the side of the medical protection arm are/is provided with an anti-adhesive layer; the back and/or the side of the medical protection arm are continuous surfaces, and the continuous surfaces are complete surfaces without grooves or holes.
2. The medical protection arm according to claim 1, wherein the front face of the medical protection arm and/or the end face of the insertion end is provided with an anti-adhesive layer.
3. The medical protection arm of claim 1, wherein the anti-adhesive layer is a coating or a deposited layer.
4. The medical protection arm of claim 1, wherein the back surface is curved or planar and the side surface is curved or planar.
5. The medical protection arm of claim 4, wherein a transition surface is provided between the back surface and the side surface, the transition surface being disposed obliquely relative to the back surface and the side surface.
6. The medical protection arm of claim 5, wherein the transition surface is a concave curved surface.
7. The medical protection arm of claim 1, wherein the medical protection arm tapers in size along the connection end toward the insertion end.
8. The medical protection arm of claim 7, wherein the medical protection arm tapers in size on the front, back and/or side along the connection end toward the insertion end.
9. The medical protection arm of claim 1, wherein a guide structure is provided on a back side of the insertion end of the medical protection arm, the guide structure being for guiding the insertion of the medical protection arm into tissue.
10. The medical protection arm of claim 9, wherein the guide structure includes a countersink that is countersunk relative to the back surface and an inclined surface that is connected between the back surface and the countersink.
11. The medical protection arm of claim 9, wherein the guide structure is an inclined surface extending obliquely from the back surface to an end surface of the insertion end.
12. The medical protection arm of claim 1, wherein the medical protection arm is curved in a plane in which the front face lies.
13. The medical protection arm according to claim 1, wherein a front surface of the medical protection arm is provided with a mounting portion for mounting a protection pad.
14. The utility model provides a medical protection arm for cooperate medical executor use, the both ends of medical protection arm are link and insertion end respectively, the link of medical protection arm be used for with the one end rotation of executor is connected, medical protection arm has the orientation the front of executor with back of executor dorsad, have the side respectively between the both sides of front with the both sides at back, the back and/or the side of medical protection arm are equipped with the anti-sticking layer.
15. The utility model provides a medical protection arm for cooperate medical executor use, the both ends of medical protection arm are link and insertion end respectively, the link of medical protection arm be used for with the one end rotation of executor is connected, medical protection arm has the orientation the front of executor with back of executor dorsad, have the side respectively between the both sides of front with the both sides at the back, the back and/or the side of medical protection arm are continuous face, continuous face is the complete face that does not establish groove or hole.
16. A distal action portion of a medical energy instrument, comprising:
an actuator for generating energy to act on tissue; and
a medical protective arm according to any one of claims 1 to 15.
17. A medical energy device comprising a handle, a sleeve, and a distal action portion according to claim 16, wherein said distal action portion is coupled to said handle by said sleeve, and wherein said handle is adapted to control mechanical movement and energy delivery of said distal action portion.
CN202111635228.4A 2021-12-29 2021-12-29 Medical protection arm, medical energy instrument and distal end acting portion thereof Pending CN116407216A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111635228.4A CN116407216A (en) 2021-12-29 2021-12-29 Medical protection arm, medical energy instrument and distal end acting portion thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111635228.4A CN116407216A (en) 2021-12-29 2021-12-29 Medical protection arm, medical energy instrument and distal end acting portion thereof

Publications (1)

Publication Number Publication Date
CN116407216A true CN116407216A (en) 2023-07-11

Family

ID=87056458

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111635228.4A Pending CN116407216A (en) 2021-12-29 2021-12-29 Medical protection arm, medical energy instrument and distal end acting portion thereof

Country Status (1)

Country Link
CN (1) CN116407216A (en)

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