CN114305647A - Jaw module and surgical instrument - Google Patents
Jaw module and surgical instrument Download PDFInfo
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- CN114305647A CN114305647A CN202111654060.1A CN202111654060A CN114305647A CN 114305647 A CN114305647 A CN 114305647A CN 202111654060 A CN202111654060 A CN 202111654060A CN 114305647 A CN114305647 A CN 114305647A
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Abstract
The invention belongs to the technical field of medical instruments, and discloses a jaw module and a surgical instrument, which comprise a first jaw unit and a second jaw unit, wherein one sides of the first jaw unit and the second jaw unit, which face each other, form a jaw, the jaw can be in an open state or a closed state, the first jaw unit comprises a first insulating assembly and a first jaw body, and the first insulating assembly comprises a first insulating column; the first clamp body is a conductor, the first clamp body is connected to one side, away from the second clamp unit, of the first insulation assembly, a first through hole is formed in the first clamp body, the first insulation column penetrates through the first through hole, and protrudes out of the surface, facing the second clamp unit, of the first clamp body, so that when the jaw is in a closed state, a gap is formed between the first clamp unit and the second clamp unit. According to the invention, the first insulating column is arranged, so that a gap can be formed between the first clamping unit and the second clamping unit, the structure is simple, the process is simplified, and the cost is reduced.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a jaw module and a surgical instrument.
Background
Currently, a variety of energy sources, such as Radio Frequency (RF) sources, ultrasound sources, and lasers, have been developed for coagulating, sealing, or joining tissue masses together in open and laparoscopic surgical procedures. High frequency energy surgical instruments among others include a jaw module including two jaws configured to form jaws that are configured to grasp tissue when closed, electrical or ultrasonic energy being applied to the captured tissue through the jaws to denature proteins within the tissue, the proteins being mixed and fused together upon renaturation. In the non-operative state, the jaws are closed and the conductor surfaces of the jaws on adjacent sides of each other should be separated by a distance to prevent short circuits; in the operation state, the tissue in the jaws connects the conductors of the two jaws, and the tissue sealing, coagulation and the like can be realized.
In the prior art, ceramic projections are added on the surface of a conductor of a clamp by adopting a ceramic high-speed spraying process or a ceramic dropping process, so that the conductors are separated by a certain distance; however, the process is complex, difficult to implement, and costly.
Disclosure of Invention
The invention aims to provide a jaw module and a surgical instrument, which have simple structures, simplified process and reduced cost.
In order to achieve the purpose, the invention adopts the following technical scheme:
in one aspect, there is provided a jaw module including a first jaw unit and a second jaw unit, a side of the first jaw unit and a side of the second jaw unit facing each other forming a jaw, the jaw being capable of being in an open state or a closed state, the first jaw unit including:
a first insulating assembly comprising a first insulating column;
the first clamp body is a conductor, the first clamp body is connected to one side, away from the second clamp unit, of the first insulation assembly, a first through hole is formed in the first clamp body, the first insulation column penetrates through the first through hole, and the first insulation column protrudes out of the surface, facing the second clamp unit, of the first clamp body, so that when the jaw is in a closed state, a gap is formed between the first clamp unit and the second clamp unit.
Optionally, the first insulation assembly includes a first insulation block, the first insulation column is disposed on the first insulation block, and the first insulation block is connected to the first clamp body.
Optionally, the first insulation assembly further comprises a first injection-molded part, and the first insulation block is connected to the first caliper body through the first injection-molded part.
Optionally, the first caliper body includes a first groove, at least a portion of the first insulating block is disposed in the first groove, and the first injection-molded part is connected to the outer peripheral surface of the first caliper body, so that the first insulating block is disposed in an accommodating cavity formed by the first injection-molded part and the first caliper body.
Optionally, the pliers further comprise a first mounting framework, the first injection molding part is connected with the first mounting framework, the first pliers body and the first insulating block, and the first insulating block is arranged between the first mounting framework and the first pliers body.
Optionally, the first mounting framework comprises a second groove, a notch of the first groove faces a notch of the second groove, the first insulating block comprises a mounting plate and a protrusion arranged on the mounting plate, the mounting plate is arranged in the first groove, the protrusion is arranged in the second groove, and the first mounting framework is coated between the first injection molding piece and the first insulating block.
Optionally, the first mounting framework comprises a first insulating block and a second insulating block, wherein the first insulating block is arranged between the first mounting framework and the second mounting framework.
Optionally, the first insulating assembly includes a plurality of the first insulating columns, and the plurality of the first insulating columns are arranged at intervals.
Optionally, the second jaw unit includes a second insulating assembly and a second jaw body connected to the second insulating assembly, the second jaw body is a conductor, the first jaw body and the second jaw body are disposed toward each other, and of both the first insulating assembly and the second insulating assembly, only the first insulating assembly is provided with a first insulating column.
In another aspect, a surgical instrument is provided that includes the jaw module described above.
The invention has the beneficial effects that:
the invention provides a jaw module and a surgical instrument, wherein when a jaw is closed, tissue can be clamped, and when the jaw is opened, the tissue can be loosened. Through the arrangement of the first insulating column protruding out of the surface of the first clamp body, when the clamp opening is closed, a gap is formed between the first clamp unit and the second clamp unit, and after energy excitation, uniform and stable current can be generated between the first clamp unit and the second clamp unit to close a blood vessel, so that the clamp opening module has a good using effect. The first insulation column penetrates through the first through hole in the first pliers body to achieve the purpose of protruding out of the surface of the first pliers body, so that when the jaws are in a closed state, the first insulation column extends out of the first through hole and the part protruding out of the first pliers body is supported between the first jaw unit and the second jaw unit, a gap is formed between the first jaw unit and the second jaw unit, and the structure is simple; by adopting the structure, the ceramic high-speed spraying process or the ceramic dropping process on the surface of the first clamp body in the prior art is avoided, the production process is simplified, and the cost is reduced.
Drawings
FIG. 1 is a schematic structural view of a jaw module provided in accordance with an embodiment of the present invention;
FIG. 2 is an exploded view of a jaw module provided by an embodiment of the present invention;
fig. 3 is an exploded view of a first jaw unit provided in accordance with an embodiment of the present invention;
FIG. 4 is a cross-sectional side view of a portion of the first jaw unit provided in accordance with an embodiment of the present invention;
FIG. 5 is a schematic structural view of a first plier body provided with an embodiment of the invention;
fig. 6 is a schematic structural diagram of a first insulating block and a first insulating column according to an embodiment of the present invention.
In the figure:
1. a first jaw unit; 11. a first insulating assembly; 111. a first insulating pillar; 112. a first insulating block; 1121. mounting a plate; 1122. a protrusion; 1123. a second through groove; 113. a first injection molded part; 12. a first caliper body; 121. a first through hole; 122. a first groove; 123. a first through groove; 13. a first mounting frame; 131. a first handle portion; 14. a first cushion pad;
2. a second jaw unit; 21. a second insulating assembly; 22. a second plier body; 23. a second handle portion.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In order to reduce the manufacturing difficulty and cost of the jaw module, the present embodiment also provides a jaw module including a first jaw unit 1 and a second jaw unit 2. Specifically, as shown in fig. 1 to 3, the sides of the first jaw unit 1 and the second jaw unit 2 facing each other form a jaw, which can be in an open state or a closed state, the first jaw unit 1 includes a first insulating assembly 11 and a first jaw body 12; specifically, the first insulating assembly 11 includes a first insulating column 111; the first forceps body 12 is a conductor, the first forceps body 12 is connected to a side of the first insulating assembly 11 away from the second forceps unit 2, a first through hole 121 is formed in the first forceps body 12, the first insulating column 111 penetrates through the first through hole 121, and the first insulating column 111 protrudes out of the surface of the first forceps body 12 facing the second forceps unit 2, so that when the jaws are in a closed state, a gap is formed between the first forceps unit 1 and the second forceps unit 2.
In this embodiment, the housing instrument can be used for coagulation, sealing, etc. of different body parts, tissues, blood vessels, etc., for convenience of description, the body parts to be clamped, etc. are collectively referred to as tissues, and the coagulation, sealing, or connection is collectively referred to as coagulation.
The jaws are capable of grasping tissue when closed and releasing tissue when open. By arranging the first insulating column 111 protruding out of the surface of the first forceps body 12, when the forceps jaws are closed, a gap is formed between the first forceps holding unit 1 and the second forceps holding unit 2, and after energy is excited, a uniform and stable current can be generated between the first forceps holding unit 1 and the second forceps holding unit 2 to coagulate a blood vessel, so that the forceps jaw module has a good use effect. The first insulation column 111 penetrates through the first through hole 121 in the first forceps body 12 to protrude out of the surface of the first forceps body 12, so that when the jaws are in a closed state, the part, protruding out of the first through hole 121, of the first forceps body 12 of the first insulation column 111 is supported between the first forceps unit 1 and the second forceps unit 2, a gap is formed between the first forceps unit 1 and the second forceps unit 2, and the structure is simple; by adopting the structure, the ceramic high-speed spraying process or the ceramic dropping process on the surface of the first clamp body 12 in the prior art is avoided, the production process is simplified, and the cost is reduced. In addition, the first insulating column 111 not only has the function of ensuring the gap, but also has the function of increasing the friction force between the jaw and the tissue, thereby improving the clamping reliability.
Specifically, the first forceps body 12 is connected to a side of the first insulating assembly 11 facing away from the second forceps unit 2, so that a side of the first forceps body 12 facing the second forceps unit 2 can be exposed to clamp tissue.
Specifically, the first insulating column 111 is higher than the surface of the first clamp body 12 by a specific distance, which is referred to in the prior art and will not be described in detail. Specifically, the first insulating column 111 may have a cylindrical shape, and in other embodiments, may have a conical shape, a regular shape, an irregular shape, or the like, may extend out of the first through hole 121, and may form a gap between the first jaw unit 1 and the second jaw unit 2, without limitation.
Generally, the first through hole 121 is used for the first insulation column 111 to pass through, so as to avoid the reduction of the structural area of the first forceps body 12 caused by the overlarge aperture of the first through hole 121, and the effective area formed by the structure of the first forceps body 12 formed around the first through hole is still capable of forming sufficient intensity/area of current when the first forceps unit 1 and the second forceps unit 2 are activated, so as to ensure a good occlusion effect. Specifically, the size of the first through hole 121 may be set according to actual circumstances.
Optionally, as shown in fig. 3 to 6, the first insulating assembly 11 includes a first insulating block 112, the first insulating column 111 is disposed on the first insulating block 112, the first insulating block 112 is connected to the first caliper body 12, and the first insulating block 112 is configured to provide structural support for the first insulating column 111, so that the first insulating column 111 is stably mounted on the first caliper body 12 through the first insulating block 112, and the first insulating block is stable in structure and convenient to mount. Further, the first insulating column 111 and the first insulating block 112 may be an integral structure or a separate structure. In this embodiment, the first insulating column 111 and the first insulating block 112 are of an integrally formed ceramic structure.
Optionally, as shown in fig. 3 and 4, the first insulation assembly 11 further includes a first injection-molded part 113, the first insulation block 112 is connected to the first caliper body 12 through the first injection-molded part 113, the first insulation block 112 is first installed on the first caliper body 12, and then is encapsulated by injection molding to form the first injection-molded part 113 and connect the first insulation block 112 and the first caliper body 12; the connection reliability is good, and the rubber coating is on first pincers body 12, generally adopts materials such as plastics, has insulating properties, can prevent first pincers body 12 electric leakage, improves the security.
Optionally, as shown in fig. 3 and 4, the first caliper body 12 includes a first groove 122, at least a portion of the first insulating block 112 is disposed in the first groove 122, and a first injection-molded part 113 is connected to an outer peripheral surface of the first caliper body 12 to form a receiving cavity with the first caliper body 12, so that the first insulating block 112 is disposed in the receiving cavity, completely covers the first insulating block 112, protects the first insulating block 112, and has a more secure structure; furthermore, the first injection-molded part 113 is filled in the first groove 122, the groove wall of the first groove 122 and the structure formed by the first injection-molded part 113 can limit the displacement of the first insulating block 112, and the contact area between the groove wall and the first injection-molded part 113 can be increased by arranging the groove wall, so that the connection reliability is further improved.
Optionally, as shown in fig. 3 and 4, the first jaw unit 1 further includes a first mounting framework 13, a first injection molded part 113 connects the first mounting framework 13, the first jaw body 12 and the first insulating block 112, the first insulating block 112 is disposed between the first mounting framework 13 and the first jaw body 12, and the first mounting framework 13 plays a role of supporting the first insulating assembly 11 and the first jaw body 12, so that the overall structural strength is improved; specifically, the first mounting frame 13 may be a metal bracket and has high structural strength, and the first insulating block 112 is disposed between the first mounting frame 13 and the first caliper body 12 and can insulate and isolate the first mounting frame 13 and the first caliper body 12 to prevent power generation. During manufacturing, the first insulating block 112 is arranged between the first mounting framework 13 and the first caliper body 12, and then is encapsulated by an injection mold to form a first injection molding part 113 and connect the first mounting component, the first insulating block 112 and the first caliper body 12.
Optionally, as shown in fig. 3 and 4, the first mounting framework 13 includes a second groove, a notch of the first groove 122 faces a notch of the second groove, the first insulating block 112 includes a mounting plate 1121 and a protrusion 1122 disposed on the mounting plate 1121, the mounting plate 1121 is disposed in the first groove 122, the protrusion 1122 is disposed in the second groove, the first mounting framework 13 is wrapped between the first injection-molded part 113 and the first insulating block 112, a groove wall of the second groove can limit displacement of the first insulating block 112, so that the mounting is stable, the periphery of the first mounting framework 13 is connected to the first injection-molded part 113, the contact area is increased, and the connection reliability is improved. The size of the notch of the first groove 122 is larger than that of the notch of the second groove, so that under the condition that the effective surface area of the first caliper body 12 meets the use requirement, the first installation framework 13 and the first insulation assembly 11 are prevented from being too large in size, the structure is small and compact, and the operation is convenient; and the size is reduced, and the cost is reduced. Further, the first insulating block 112 is convex, so that the first notch and the second notch are oppositely arranged, and the overlarge size of the whole structure in the width direction of the notches is avoided.
Optionally, as shown in fig. 3 and 4, the first jaw unit 1 further includes a first cushion pad 14, and the first cushion pad 14 is disposed between the first mounting skeleton 13 and the first insulating block 112. In the process of adopting injection molding, encapsulating and die assembling, force is transmitted to an upper die, the upper die presses the upper surface of the first mounting framework 13, the first cushion pad 14 is transmitted to the first insulating block 112 and then transmitted to the first clamp body 12, the surface of the first clamp body 12 is contacted with a lower die, the surface of the first clamp body 12 is ensured to meet the requirement of flatness through the upper die and the lower die, and excellent working effect is ensured.
In this embodiment, as shown in fig. 4, the first cushion pad 14 is disposed between the groove bottom of the second groove and the protrusion 1122 of the first cushion pad 14. Specifically, the cross section of the first cushion pad 14 may be circular, rectangular, other regular or irregular shapes, and the like, without limitation. Specifically, the first cushion pad 14 may be a rubber pad, or may be a pad made of other materials.
Alternatively, as shown in fig. 3, 5 and 6, the first insulating assembly 11 includes a plurality of first insulating columns 111, and the plurality of first insulating columns 111 are spaced apart to ensure that the first jaw unit 1 and the second jaw unit 2 are spaced apart by a uniform distance, so that a uniform current flow is formed to ensure a good coagulation effect. In this embodiment, as shown in fig. 5 and 6, the first caliper body 12 is provided with a plurality of first through holes 121, the plurality of first through holes 121 are spaced at the front end, the middle end and the rear end of the first caliper body 12 in the length direction, and are uniformly distributed at the left and right sides of the first caliper body 12 in the width direction, correspondingly, the plurality of first insulating columns 111 are distributed on the first insulating blocks 112, and the plurality of first insulating columns 111 and the plurality of first through holes 121 are arranged in a one-to-one correspondence manner, so that the plurality of first insulating columns 111 are uniformly supported on the surface of the first caliper body 12, and when the jaws are closed, the first jaw unit 1 and the second jaw unit 2 form a uniform interval therebetween.
Alternatively, the second clamping unit 2 may also adopt an existing structure, and details thereof are not described. In this embodiment, the second clamping unit 2 includes a second insulating assembly 21 and a second clamp body 22 connected to the second insulating assembly 21, the second clamp body 22 is a conductor, and specifically, the first clamp body 12 and the second clamp body 22 are both stainless steel conductors.
In this embodiment, as shown in fig. 2, the first caliper body 12 and the second caliper body 22 are disposed facing each other, only the first insulating column 111 is disposed on the first insulating assembly 11 of the first insulating assembly 11 and the second insulating assembly 21, and the surface of the second caliper unit 2 does not need to be provided with the protrusion 1122 structure, so that the gap between the first caliper body 12 and the second caliper body 22 can be ensured, the structure of the second caliper unit 2 is simplified, the processing process thereof is simplified, and the cost is reduced. In other embodiments, a second insulating column (not shown) is disposed on the second insulating assembly 21, and the second insulating column extends out of the surface of the second forceps body 22, the first insulating column 111 and the second insulating column are disposed in a staggered manner, the first insulating column 111 and the second insulating column extend out in the same size, the extending size is the distance between the first forceps body 12 and the second forceps body 22, the first insulating column 111 and the second insulating column are simultaneously supported between the first forceps body 12 and the second forceps body 22 to form a uniform gap, and the first insulating column 111 and the second insulating column simultaneously form a supporting structure, so that the number of the supporting structures is increased, and the supporting is more reliable.
Specifically, the first and second jaw units 1 and 2 may be of a symmetrical structure, only the first jaw unit 1 is provided with the first insulating column 111 and the first through hole 121; or the first jaw unit 1 and the second jaw unit 2 may be of symmetrical structure, differing only by: the first jaw unit 1 is provided with a first insulating column 111 and a first through hole 121, the second jaw unit 2 is provided with a second insulating column and a second through hole (not shown in the figure), and the first insulating column 111 and the second insulating column are arranged in a staggered manner.
Alternatively, as shown in fig. 1 and fig. 2, the first jaw unit 1 and the second jaw unit 2 are rotatably connected, so that the jaws can be opened and closed; further, the first jaw unit 1 comprises a first handle portion 131, the second jaw unit 2 comprises a second handle portion 23, and the first handle portion 131 and the second handle portion 23 are rotatably connected, so that the first jaw unit 1 and the second jaw unit 2 are rotatably connected, and the operation is convenient. Further, a first handle portion 131 is extended and arranged on the first mounting framework 13; specifically, the second jaw unit 2 also includes a second mounting framework (not shown in the drawings), the second mounting framework is connected to the second insulating assembly 21 of the second jaw body 22, the specific mounting structure can refer to the first mounting framework 13 to improve the overall structural strength of the second jaw unit 2, and the second handle portion 23 is extended and arranged on the second mounting framework; in this embodiment, the first handle portion 131 and the second handle portion 23 are connected by a pin (not shown).
Optionally, the surfaces of the first forceps body 12 and the second forceps body 22 are provided with uniformly distributed pits so as to increase the contact area between the first forceps body 12 and the second forceps body 22 and the tissue clamped between the jaws, increase the friction force, make the tissue not easily slip from the jaws in the working process, and have high reliability.
The surgical instrument can be used for cutting besides the function of blood coagulation, and the combination of the surgical instrument and the cutting instrument is more convenient to use; optionally, the surgical instrument further comprises a cutting blade (not shown); specifically, as shown in fig. 4 to 6, the first caliper body 12 is provided with a first through groove 123, the second caliper body 22 is provided with a second through groove 1123, the first through groove 123 and the second through groove 1123 are communicated, and the first through groove 123 and the second through groove 1123 can form a gap which serves as a passageway for sliding of the cutting blade. Specifically, in the initial state, the cutting blade is not in the gap, and after the blood vessel or tissue is coagulated, the cutting blade passes through the passageway to perform cutting.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A jaw module, characterized by comprising a first jaw unit (1) and a second jaw unit (2), the sides of the first jaw unit (1) and the second jaw unit (2) facing each other forming a jaw, which can be in an open state or a closed state, the first jaw unit (1) comprising:
a first insulating assembly (11) comprising a first insulating column (111);
the first pliers body (12) is a conductor, the first pliers body (12) is connected to one side, away from the second pliers clamping unit (2), of the first insulating assembly (11), a first through hole (121) is formed in the first pliers body (12), the first insulating column (111) penetrates through the first through hole (121), and the first insulating column (111) protrudes out of the surface, facing the second pliers clamping unit (2), of the first pliers body (12), so that when the jaws are in a closed state, a gap is formed between the first pliers clamping unit (1) and the second pliers clamping unit (2).
2. The jaw module of claim 1, wherein the first insulating assembly (11) comprises a first insulating block (112), the first insulating post (111) being disposed on the first insulating block (112), the first insulating block (112) being connected to the first jaw body (12).
3. The jaw module of claim 2, wherein the first insulating assembly (11) further comprises a first injection molded part (113), the first insulating block (112) being connected to the first jaw body (12) by the first injection molded part (113).
4. The jaw module of claim 3, wherein the first jaw body (12) comprises a first groove (122), wherein at least a portion of the first insulating block (112) is disposed in the first groove (122), and wherein the first injection molded part (113) is connected to an outer peripheral surface of the first jaw body (12) such that the first insulating block (112) is disposed in a receiving cavity formed by the first injection molded part (113) and the first jaw body (12).
5. The jaw module of claim 4, further comprising a first mounting backbone (13), the first injection molded part (113) connecting the first mounting backbone (13), the first jaw body (12) and the first insulating block (112), the first insulating block (112) being disposed between the first mounting backbone (13) and the first jaw body (12).
6. The jaw module of claim 5, wherein the first mounting skeleton (13) comprises a second recess, the slot of the first recess (122) facing the slot of the second recess, the first insulating block (112) comprises a mounting plate (1121) and a protrusion (1122) provided on the mounting plate (1121), the mounting plate (1121) is provided in the first recess (122), the protrusion (1122) is provided in the second recess, and the first mounting skeleton (13) is wrapped between the first injection molded part (113) and the first insulating block (112).
7. The jaw module of claim 5, further comprising a first cushion (14), the first cushion (14) being disposed between the first mounting armature (13) and the first insulating block (112).
8. The jaw module of claim 1, wherein the first insulating assembly (11) comprises a plurality of the first insulating posts (111), wherein the plurality of first insulating posts (111) are spaced apart.
9. The jaw module of any of claims 1-8, characterized in that the second jaw unit (2) comprises a second insulating assembly (21) and a second jaw body (22) connected to the second insulating assembly (21), the second jaw body (22) being a conductor, the first jaw body (12) and the second jaw body (22) being arranged towards each other, only the first insulating assembly (11) of both the first insulating assembly (11) and the second insulating assembly (21) being provided with the first insulating column (111).
10. A surgical instrument comprising the jaw module of any of claims 1-9.
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|---|---|---|---|
| CN202111654060.1A CN114305647A (en) | 2021-12-30 | 2021-12-30 | Jaw module and surgical instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111654060.1A CN114305647A (en) | 2021-12-30 | 2021-12-30 | Jaw module and surgical instrument |
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| CN114305647A true CN114305647A (en) | 2022-04-12 |
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| US20130072919A1 (en) * | 2011-09-16 | 2013-03-21 | Tyco Healthcare Group Lp | Seal Plate With Insulation Displacement Connection |
| US20140025067A1 (en) * | 2012-07-19 | 2014-01-23 | Covidien Lp | Surgical instrument with fiber bragg grating |
| CN103687561A (en) * | 2011-08-18 | 2014-03-26 | 柯惠有限合伙公司 | Surgical instruments with removable components |
| US20200188012A1 (en) * | 2018-12-17 | 2020-06-18 | Covidien Lp | Jaw members of electrosurgical instruments and methods of manufacture thereof |
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2021
- 2021-12-30 CN CN202111654060.1A patent/CN114305647A/en active Pending
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| GB190305606A (en) * | 1903-03-10 | 1903-05-21 | Andrew John Downes | Improvements in Electro-thermic Surgical Forceps and other similar Surgical Instruments |
| US20050187547A1 (en) * | 2004-02-25 | 2005-08-25 | Yoshihiko Sugi | High frequency treatment device having a pair of jaws with electrodes |
| CN103687561A (en) * | 2011-08-18 | 2014-03-26 | 柯惠有限合伙公司 | Surgical instruments with removable components |
| US20130072919A1 (en) * | 2011-09-16 | 2013-03-21 | Tyco Healthcare Group Lp | Seal Plate With Insulation Displacement Connection |
| US20140025067A1 (en) * | 2012-07-19 | 2014-01-23 | Covidien Lp | Surgical instrument with fiber bragg grating |
| US20200188012A1 (en) * | 2018-12-17 | 2020-06-18 | Covidien Lp | Jaw members of electrosurgical instruments and methods of manufacture thereof |
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Inventor after: Wu Xianglu Inventor after: Hu Jun Inventor before: Wu Xianglu |