CN112155675B - Minimally invasive surgical instrument and use method thereof - Google Patents
Minimally invasive surgical instrument and use method thereof Download PDFInfo
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- CN112155675B CN112155675B CN202011096811.8A CN202011096811A CN112155675B CN 112155675 B CN112155675 B CN 112155675B CN 202011096811 A CN202011096811 A CN 202011096811A CN 112155675 B CN112155675 B CN 112155675B
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- handle
- sleeve
- minimally invasive
- invasive surgical
- surgical instrument
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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
- A61B17/3201—Scissors
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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
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/70—Cleaning devices specially adapted for surgical instruments
Abstract
The invention relates to a minimally invasive surgical instrument. The minimally invasive surgical instrument comprises a handle assembly, a pipeline assembly, scissors and a cleaning assembly, wherein the handle assembly comprises a first handle and a second handle which are arranged in a rotating mode, the pipeline assembly comprises a sleeve and a driving shaft, one end of the sleeve is fixed on the first handle, the driving shaft is inserted into the sleeve in a sliding mode, the two opposite ends of the driving shaft are respectively a connecting end and a driving end, the connecting end is connected onto the second handle, and the scissors are connected onto the driving end and partially penetrate through the sleeve. The minimally invasive surgical instrument is easy to clean. The invention also provides a using method of the minimally invasive surgical instrument.
Description
Technical Field
The invention relates to a minimally invasive surgical instrument and a using method thereof.
Background
In the medical field, it is often necessary to perform surgery on a patient using a variety of surgical instruments. For example, a scalpel is required to perform an operation, the scalpel is generally used for incising and stripping tissues and has a hemostatic function, and the scalpel includes an electric scalpel, a laser scalpel, a microwave scalpel, a plasma scalpel, a high-pressure water scalpel and the like, but a complete set of equipment is required for the scalpel. In addition, minimally invasive surgery using minimally invasive surgical instruments is also needed. For example, minimally invasive surgery typically includes surgical scissors. The surgical scissors need to be cleaned frequently after an operation, and in the cleaning process, the surgical scissors need to be placed in water, water flow easily enables pollutants to flow back and be brought into a pipe sleeve of the surgical scissors, and the cleaning effect is reduced.
Disclosure of Invention
In view of the above, there is a need for a minimally invasive surgical instrument that is easier to clean and a method of using the same.
A minimally invasive surgical instrument comprises a handle assembly, a pipeline assembly, scissors and a cleaning assembly, wherein the handle assembly comprises a first handle and a second handle which are arranged in a rotating mode, the pipeline assembly comprises a sleeve and a driving shaft, one end of the sleeve is fixed to the first handle, the driving shaft is slidably inserted into the sleeve, the two opposite ends of the driving shaft are respectively a connecting end and a driving end, the connecting end is connected to the second handle, the scissors are connected to the driving end and partially penetrate through the sleeve, the cleaning assembly comprises a water receiving pipe, a cleaning pipe and a speed-increasing wheel, the water receiving pipe is arranged on the first handle, the cleaning pipe is connected to the water receiving pipe and extends towards the inside of the sleeve, and the speed-increasing wheel is arranged at the position, close to the end of the water receiving pipe, of the cleaning pipe.
In one embodiment, the first handle comprises a cylindrical portion, a pivot portion and a first handle portion which are connected in sequence, and an included angle of 120 degrees and 150 degrees is formed between the central axis of the cylindrical portion and the length direction of the first handle portion.
In one embodiment, the outer diameter of the cylindrical portion decreases gradually in a direction toward the sleeve.
In one embodiment, an end of the cylindrical portion is provided with an internal thread, and an end of the sleeve is provided with an external thread, which is screwed to the internal thread.
In one embodiment, the first handle portion has a first trigger hole formed therein, and the first trigger hole is an elliptical hole.
In one embodiment, the pivot portion is recessed with a recess, and a middle portion of the second handle portion is disposed within the recess.
In one embodiment, the second handle portion comprises a pushing portion, a rotating portion and a second handle portion which are connected in sequence, and the pushing portion is connected to the connecting end of the driving shaft.
In one embodiment, the rotating portion is disposed in the recess and is rotatably connected to the pivot portion.
In one embodiment, the rotating portion and the pivoting portion are disposed in a cross manner, and the second handle portion has a second trigger hole.
A method of using the minimally invasive surgical instrument as described above, comprising the steps of:
holding the handle assembly and respectively buckling two fingers into the first trigger hole and the second trigger hole;
the first handle and the second handle are kneaded to push the driving shaft to drive the scissors to protrude out of one end of the sleeve;
pushing the minimally invasive surgical instrument to enter a focus in a body, releasing the first handle and the second handle, resetting the driving shaft and driving the scissors to close to enter the sleeve, and performing shearing operation when the scissors are closed;
taking out the minimally invasive surgical instrument from the body, and sleeving the water receiving pipe on the water faucet so as to introduce cleaning water into the cleaning pipe; and
and adjusting the speed of water flow in the cleaning pipe by using the speed-increasing wheel so as to discharge impurities in the sleeve by using the water flow flowing out of the sleeve to the scissors.
When the minimally invasive surgical instrument is used, the handle assembly is held, and the first handle and the second handle are kneaded to push the driving shaft to drive the scissors to protrude out of one end of the sleeve; the minimally invasive surgical instrument is pushed to enter a focus in a body, the first handle and the second handle are released, the driving shaft resets and drives the scissors to close and enter the sleeve, the scissors perform shearing operation when closed, the minimally invasive surgical instrument is taken out of the body, the water receiving pipe is sleeved on the water tap to introduce cleaning water into the cleaning pipe, the speed of the water in the cleaning pipe is adjusted by the speed-increasing wheel, so that the water flows out of the sleeve to the scissors, and impurities in the sleeve are discharged. Through setting up the scavenge pipe to conveniently with the debris in the scavenge pipe are discharged outside the cover pipe, have improved its cleaning performance.
Drawings
FIG. 1 is a perspective view of a minimally invasive surgical instrument according to an embodiment.
Fig. 2 is a perspective view of a part of the barrel portion and the toggle assembly according to an embodiment.
Fig. 3 is a perspective view of another perspective view of the barrel portion and the part of the toggle assembly shown in fig. 2.
FIG. 4 is a flow chart illustrating steps in a method of using a minimally invasive surgical instrument, according to one embodiment.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
For example, the present invention provides a minimally invasive surgical instrument. For example, the minimally invasive surgical instrument comprises a handle assembly, a pipeline assembly, scissors and a cleaning assembly, wherein the handle assembly comprises a first handle and a second handle which are rotatably arranged. For example, the pipeline assembly comprises a sleeve and a driving shaft, one end of the sleeve is fixed on the first handle, the driving shaft is slidably inserted into the sleeve, the two opposite ends of the driving shaft are respectively a connecting end and a driving end, the connecting end is connected onto the second handle, and the scissors are connected onto the driving end and partially penetrate through the sleeve. For example, the cleaning assembly comprises a water receiving pipe, a cleaning pipe and a speed increasing wheel, wherein the water receiving pipe is arranged on the first handle, and the cleaning pipe is connected to the water receiving pipe and extends towards the inside of the sleeve. For example, the speed-increasing wheel is arranged at the end of the cleaning pipe adjacent to the water receiving pipe.
Referring to fig. 1 and 2, a minimally invasive surgical instrument includes a handle assembly 10, a pipeline assembly 20, scissors 30, and a cleaning assembly 40, where the handle assembly 10 includes a first handle 11 and a second handle 12 rotatably disposed, the pipeline assembly 20 includes a casing 21 and a driving shaft 22, one end of the casing 21 is fixed on the first handle 11, the driving shaft 22 is slidably inserted into the casing 21, two opposite ends of the driving shaft 22 are a connecting end and a driving end, respectively, the connecting end is connected to the second handle 12, the scissors 30 is connected to the driving end and partially penetrates through the casing 21, the cleaning assembly 40 includes a water receiving pipe 41, a cleaning pipe 42, and a speed-increasing wheel, the water receiving pipe 41 is disposed on the first handle 11, the cleaning pipe 42 is connected to the water receiving pipe 41 and extends into the casing 21, and the speed-increasing wheel is disposed at an end of the cleaning pipe 42 adjacent to the water receiving pipe 41.
When the minimally invasive surgical instrument is used, the handle assembly 10 is held, and the first handle 11 and the second handle 12 are kneaded to push the driving shaft 22 to drive the scissors 30 to protrude out of one end of the sleeve 21; the minimally invasive surgical instrument is pushed to enter a focus in a body, the first handle 11 and the second handle 12 are released, the driving shaft 22 resets and drives the scissors 30 to close to enter the sleeve 21, the scissors 30 perform shearing operation when closed, the minimally invasive surgical instrument is taken out of the body, the water receiving pipe 41 is sleeved on the water tap to introduce cleaning water into the cleaning pipe 42, the speed of the water in the cleaning pipe 42 is adjusted by the speed-increasing wheel, so that the water flows out of the sleeve 21 to the scissors 30, and impurities in the sleeve 21 are discharged. Through setting up purge tube 42 to conveniently discharge the debris in purge tube 42 outside sleeve pipe 21, improved its cleaning performance.
For example, in order to facilitate the driving shaft 22 to move relative to the sleeve 21, the first handle 11 includes a cylindrical portion 111, a pivot portion and a first handle portion 113 connected in sequence, and an included angle of 120 and 150 degrees is formed between the central axis of the cylindrical portion 111 and the length direction of the first handle portion 113. The outer diameter of the cylindrical portion 111 is gradually reduced in a direction toward the sleeve 21. The end of the cylindrical portion 111 is provided with an internal thread, and the end of the sleeve 21 is provided with an external thread, which is screwed with the internal thread. The first handle portion 113 has a first trigger hole 1135, and the first trigger hole 1135 is an elliptical hole. The pivot portion is concavely provided with a concave portion, and the middle portion of the second handle 12 is arranged in the concave portion. The second handle portion 123 includes a pushing portion 121, a rotating portion 122 and a second handle portion 123 connected in sequence, and the pushing portion 121 is connected to the connecting end of the driving shaft 22. The rotating portion 122 is disposed in the recess and is rotatably connected to the pivot portion. The rotating portion 122 and the pivoting portion are disposed in a crossed manner, and the second handle portion 123 is provided with a second trigger hole 1235. By respectively pulling two fingers into the first trigger hole 1135 and the second trigger hole 1235, the second handle portion 123 can be pulled to rotate relative to the first handle portion 113, and the pushing portion 121 is driven to move longitudinally, so as to push the driving shaft 22 to move relative to the sleeve 21.
For example, it is particularly important to refer to fig. 2 and fig. 3, for example, the pushing portion 121 of the second handle 12 is slidably disposed in the cylindrical portion 111, and the pushing portion 121 is disposed with a spring, one end of which is connected to the connecting end of the driving shaft 22. A pressure spring is arranged between the first handle part 113 and the second handle part 123, and two opposite ends of the pressure spring are respectively connected to the first handle part 113 and the second handle part 123. The elasticity of the pressure spring is larger than that of the spring. In use, the second handle portion 123 is pressed to move relative to the first handle portion 113, and the second handle portion 123 pushes the driving shaft 22 to move outwards along the sleeve 21 by the pushing and abutting portion 121, so as to force the scissors 30 to move out of the sleeve 21. Then, the scissors 30 are abutted to the focus of the patient, the handle assembly 10 is released, the first handle part 113 and the second handle part 123 are mutually opened under the action of the compression spring, the second handle 12 is rotated relative to the first handle 11, the pushing part 121 is further far away from the driving shaft 22, the driving shaft 22 is moved under the pulling force of the spring, the scissors 30 are pulled to enter the sleeve 21, the scissors 30 are abutted to the side wall of the sleeve 21 to be integrally closed, and the to-be-cut part in the body of the patient is cut. By providing a spring, although the pushing part 121 rotates during use, it can pull the driving shaft 22 by the spring, and the second handle part 123 can press the spring and constantly maintain the pushing contact with the driving shaft 22 when rotating forward.
For example, in order to facilitate the installation of the cleaning assembly 40, a mounting groove 115 is formed on the side wall of the cylindrical portion 111, a through hole is formed in one end of the cylindrical portion 111 away from the sleeve 21, the water receiving pipe 41 is inserted into the through hole, the speed increasing wheel is installed in the mounting groove 115, a through hole is formed in one end of the cylindrical portion 111 facing the sleeve 21, one end of the cleaning pipe 42 is connected to the sleeve 21, and the other end of the cleaning pipe is inserted into the through hole and connected to the water receiving pipe 41. An acute angle is formed between the end of the cleaning tube 42 adjacent to the sleeve 21 and the sleeve 21 to facilitate driving water flow into the sleeve 21 at a high speed and out towards the scissors 30 to clean contaminants in the sleeve 21.
For example, the scissors 30 include two cutting portions 31 rotatably connected, and the ends of the two cutting portions 31 are each formed with an arc-shaped structure to prevent the lesion tissue from being detached. For example, in order to facilitate the control of the cleaning tube 42, the cleaning tube 42 includes a connecting tube section, an arch section 422 and an inclined tube section 425 connected in sequence, the connecting tube section is located in the cylindrical portion 111, the arch section 422 protrudes out of the mounting groove 115, the inclined tube section 425 extends obliquely downward from the top of the cylindrical portion 111 and is connected to the sleeve 21, and the connecting tube section is made of a hard material, such as a metal material. The angled tube section 425 is made of a flexible material. The arch-shaped segment 422 includes a rigid horizontal segment and connection hoses connected to opposite ends of the rigid horizontal segment, the two connection hoses being connected to the connection segment and the inclined segment 425, respectively. The rigid lateral tube section has a longitudinal direction parallel to the central axis of the cylindrical portion 111. The middle part of the hard transverse pipe section is provided with two elastic blocking parts which are mutually spaced and made of elastic materials. The two elastic blocking portions face the mounting groove 115, and the top of the elastic blocking portions is provided with a rigid connecting portion which is used for the elastic blocking portions to abut against so as to block the hard transverse pipe section. The mounting groove 115 is a rectangular groove, the cover frame 50 is disposed thereon, the cover frame 50 includes two supporting pieces 51 and a top piece 52, the two supporting pieces 51 are respectively disposed at two opposite sides of the mounting groove 115, two opposite ends of the top piece 52 are respectively connected to the two supporting pieces 51, the two supporting pieces 51 are both provided with a lifting slot 515, and the inclined tube section 425 slidably penetrates through the lifting slot 515. The middle portion of the top sheet 52 is provided with a flexible recess 525, and opposite ends of the flexible recess 525 extend to the top ends of the lifting slots 515 of the two support sheets 51, respectively. The hard transverse pipe section abuts against the bottom surface of the flexible concave portion 525, the mounting groove 115 is provided with a conical spring, the conical spring comprises a large end and a small end, the diameters of the large end and the small end are different, the large end is supported on the peripheral wall of the mounting groove 115, and the small end abuts against the bottom of the hard transverse pipe section. The top sheet 52 is provided at opposite sides thereof with inclined elastic bands 53, respectively, each inclined elastic band 53 is connected at opposite sides thereof to the cylindrical part 111 and the top sheet 52, respectively, and each inclined elastic band 53 is connected at opposite ends thereof to the two support pieces 51, respectively. Two opposite sides of the large end are respectively provided with two supporting columns 54 in a protruding way, the height of the two supporting columns 54 is smaller than that of the conical spring, and the two supporting columns 54 are respectively aligned with the two elastic blocking parts.
The minimally invasive surgical instrument further comprises a toggle assembly 60, wherein the toggle assembly 60 is used for being pressed in the flexible concave portion 525 of the top plate 52 to butt against the hard transverse pipe section to descend, so that the hard transverse pipe section compresses the conical spring, and the two jacking columns 54 are forced to be respectively propped in the two elastic blocking portions of the hard transverse pipe section, so that the hard transverse pipe section is blocked. The toggle assembly 60 includes two elastic tension ropes 61 and a pressing cross bar 62, the two elastic tension ropes 61 are disposed on the cylindrical portion 111 and respectively adjacent to the two support plates 51, the pressing cross bar 62 is pressed against one of the inclined elastic bands 53, and opposite ends of the pressing cross bar 62 are respectively connected to the middle portions of the two elastic tension ropes 61. Each elastic tensioning line 61 comprises a first segment 611 and a second segment 615 connected to each other, the ends of the first segment 611 and the second segment 615 remote from each other being adjacent to the bottom edges of the two oblique elastic bands 53, respectively. The end of the hold-down rail 62 is connected to the junction of the first segment 611 and the second segment 615. When it is desired to block a rigid cross section, the holding bar 62 is pulled up the inclined elastic band 53 and against the pulling force of the two elastic tensioning cords 61 until the holding bar 62 enters the flexible recess 525. The pressing cross rod 62 descends under the pulling force of the two elastic tensioning ropes 61 and presses the hard transverse pipe section to descend, the conical spring is compressed, and the two supporting columns 54 respectively push into the two elastic blocking parts so as to block the hard transverse pipe section.
For example, the inclined elastic band 53 is provided with a plurality of blocking strips 535, the plurality of blocking strips 535 are arranged at intervals, a blocking slot 5355 is formed between each blocking strip 535 and the inclined elastic band 53, and the length direction of the blocking slot 5355 is parallel to the central axis of the cylindrical portion 111. The inclined pipe section 425 penetrates between one elastic tensioning rope 61 and the cylindrical part 111, a supporting rod 65 is arranged at one end of the pressing cross rod 62, the supporting rod 65 supports the lower portion of the inclined pipe section 425, and the pressing cross rod 62 is further used for being clamped on the blocking strips 535 respectively to change the height of the supporting rod 65, further change the inclination angle of the inclined pipe section 425 and improve the smoothness of jet flow entering the sleeve 21. When the pressing cross bar 62 presses against the flexible concave portion 525, the supporting bar 65 is supported on the bottom of the inclined tube 425, so as to better position the toggle assembly 60. For example, a cleaning gap is formed between the drive shaft 22 and the sleeve 21 to facilitate cleaning fluid within the angled tube section 425 to enter the sleeve 21 when the drive shaft 22 is positioned within the sleeve 21. For example, the speed-increasing wheel is an electric wheel for driving the liquid to advance in an accelerated manner.
Referring to fig. 4, a method for using the above minimally invasive surgical instrument includes the following steps:
in step S101, the handle assembly 10 is held, and two fingers are respectively inserted into the first trigger hole 1135 and the second trigger hole 1235;
in step S102, the first handle 11 and the second handle 12 are pinched to push the driving shaft 22 to drive the scissors 30 to protrude out of one end of the sleeve 21;
in step S103, the minimally invasive surgical instrument is pushed to enter a focus in a body, the first handle 11 and the second handle 12 are released, the driving shaft 22 is reset and drives the scissors 30 to close and enter the casing 21, and the scissors 30 perform a cutting operation when being closed;
in step S104, the minimally invasive surgical instrument is taken out of the body, and the water connection pipe 41 is sleeved on the water tap to introduce the cleaning water into the cleaning pipe 42;
in step S105, the water flow speed in the cleaning pipe 42 is adjusted by the speed-increasing wheel so that the water flows out from the inside of the sleeve 21 to the scissors 30 and the foreign matter in the sleeve 21 is discharged.
In step S106, the pressing cross bar 62 is clamped on the corresponding blocking bar 535 to change the height of the supporting rod 65, so as to change the inclination angle of the inclined tube section 425 by using the supporting rod 65;
in step S107, the flywheel is stopped; and
in step S108, the rigid lateral tube section is blocked. Specifically, the pressing cross bar 62 is shifted to ascend along the inclined elastic band 53 and overcome the pulling force of the two elastic tensioning ropes 61 until the pressing cross bar 62 enters the flexible concave portion 525, so that the supporting rod 65 is separated from the bottom of the inclined pipe section 425, the pressing cross bar 62 descends under the pulling force of the two elastic tensioning ropes 61 and presses the hard transverse pipe section to descend, the conical spring is compressed, and the two supporting pillars 54 are respectively pushed into the two elastic blocking portions to block the hard transverse pipe section.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A minimally invasive surgery instrument is characterized by comprising a handle assembly (10), a pipeline assembly (20), scissors (30), a cleaning assembly (40) and a toggle assembly (60), wherein the handle assembly (10) comprises a first handle (11) and a second handle (12) which are rotatably arranged, the pipeline assembly (20) comprises a sleeve (21) and a driving shaft (22), one end of the sleeve (21) is fixed on the first handle (11), the driving shaft (22) is slidably inserted in the sleeve (21), two opposite ends of the driving shaft (22) are respectively a connecting end and a driving end, the connecting end is connected on the second handle (12), the scissors (30) is connected on the driving end and partially penetrates through the sleeve (21), the cleaning assembly (40) comprises a water receiving pipe (41), a cleaning pipe (42) and a speed increasing wheel, the water receiving pipe (41) is arranged on the first handle (11), the cleaning pipe (42) is connected to the water receiving pipe (41) and extends towards the inside of the sleeve (21), and the speed increasing wheel is arranged at the end part, close to the water receiving pipe (41), of the cleaning pipe (42);
the first handle (11) comprises a cylindrical part (111), and a mounting groove (115) is formed in the side wall of the cylindrical part (111);
the cleaning pipe (42) comprises a connecting pipe section, an arch section (422) and an inclined pipe section (425) which are sequentially connected, the connecting pipe section is positioned in the cylindrical part (111), the arch section (422) protrudes out of the mounting groove (115), and the inclined pipe section (425) extends downwards from the top of the cylindrical part (111) in an inclined mode and is connected to the sleeve (21);
the mounting groove (115) is provided with a covering frame (50), the covering frame (50) comprises two supporting sheets (51) and a top sheet (52), the two supporting sheets (51) are respectively arranged on two opposite sides of the mounting groove (115), two opposite ends of the top sheet (52) are respectively connected to the two supporting sheets (51), two opposite sides of the top sheet (52) are respectively provided with inclined elastic belts (53), two opposite sides of each inclined elastic belt (53) are respectively connected with the cylindrical part (111) and the top sheet (52), and two opposite ends of each inclined elastic belt (53) are respectively connected with the two supporting sheets (51);
the toggle assembly (60) comprises two elastic tensioning ropes (61) and a pressing cross rod (62), the two elastic tensioning ropes (61) are arranged on the cylindrical portion (111) and are respectively adjacent to the two supporting pieces (51), the pressing cross rod (62) is pressed against one inclined elastic band (53), and two opposite ends of the pressing cross rod (62) are respectively connected to the middle portions of the two elastic tensioning ropes (61).
2. The minimally invasive surgical instrument according to claim 1, wherein the first handle (11) comprises a pivot part and a first handle part (113) which are connected in sequence, and an included angle of 120 degrees and 150 degrees is formed between the central axis of the cylindrical part (111) and the length direction of the first handle part (113).
3. Minimally invasive surgical instrument according to claim 2, characterized in that the outer diameter of the cylindrical portion (111) is gradually decreasing in a direction towards the cannula (21).
4. Minimally invasive surgical instrument according to claim 3, characterized in that the end of the cylindrical part (111) is provided with an internal thread and the end of the sleeve (21) is provided with an external thread, which is screwed to the internal thread.
5. The minimally invasive surgical instrument according to claim 4, wherein the first handle portion (113) is provided with a first trigger hole (1135), and the first trigger hole (1135) is an elliptical hole.
6. Minimally invasive surgical instrument according to claim 5, characterized in that said pivot is recessed with a recess in which a middle portion of said second handle (12) is disposed.
7. The minimally invasive surgical device according to claim 6, wherein the second handle portion (123) comprises a pushing portion (121), a rotating portion (122) and a second handle portion (123) which are connected in sequence, and the pushing portion (121) is connected to the connecting end of the driving shaft (22).
8. The minimally invasive surgical instrument of claim 7, wherein the rotating portion (122) is disposed within the recess and is rotationally coupled to the pivot portion.
9. The minimally invasive surgical instrument according to claim 8, wherein the rotating portion (122) is disposed across the pivot portion, and the second handle portion (123) defines a second trigger hole (1235).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011096811.8A CN112155675B (en) | 2020-10-14 | 2020-10-14 | Minimally invasive surgical instrument and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011096811.8A CN112155675B (en) | 2020-10-14 | 2020-10-14 | Minimally invasive surgical instrument and use method thereof |
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| CN112155675B true CN112155675B (en) | 2022-02-08 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5456684A (en) * | 1994-09-08 | 1995-10-10 | Hutchinson Technology Incorporated | Multifunctional minimally invasive surgical instrument |
| CN2852959Y (en) * | 2005-10-20 | 2007-01-03 | 鹿清杰 | Combined instrument for microtrauma operation |
| CN201290735Y (en) * | 2008-10-31 | 2009-08-19 | 杭州康基医疗器械有限公司 | Direct-view micro-wound bend scissors |
| CN103230295A (en) * | 2012-12-13 | 2013-08-07 | 池永龙 | Portable tissue scissors with micro visual structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7740159B2 (en) * | 2006-08-02 | 2010-06-22 | Ethicon Endo-Surgery, Inc. | Pneumatically powered surgical cutting and fastening instrument with a variable control of the actuating rate of firing with mechanical power assist |
| DE202006020278U1 (en) * | 2006-12-18 | 2008-04-30 | Söring GmbH | Surgical instrument |
| DE102010016291A1 (en) * | 2010-04-01 | 2011-10-06 | Erbe Elektromedizin Gmbh | Surgical instrument, in particular electrosurgical instrument |
| US9592066B2 (en) * | 2012-02-22 | 2017-03-14 | Carter J. Kovarik | Selectively bendable remote gripping tool |
| CN211094759U (en) * | 2019-10-16 | 2020-07-28 | 南通大学附属医院 | Improved sharp instrument box |
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2020
- 2020-10-14 CN CN202011096811.8A patent/CN112155675B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5456684A (en) * | 1994-09-08 | 1995-10-10 | Hutchinson Technology Incorporated | Multifunctional minimally invasive surgical instrument |
| CN2852959Y (en) * | 2005-10-20 | 2007-01-03 | 鹿清杰 | Combined instrument for microtrauma operation |
| CN201290735Y (en) * | 2008-10-31 | 2009-08-19 | 杭州康基医疗器械有限公司 | Direct-view micro-wound bend scissors |
| CN103230295A (en) * | 2012-12-13 | 2013-08-07 | 池永龙 | Portable tissue scissors with micro visual structure |
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| CN112155675A (en) | 2021-01-01 |
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