CN117717397A - Free scissors for abdominal cavity endoscope operation - Google Patents
Free scissors for abdominal cavity endoscope operation Download PDFInfo
- Publication number
- CN117717397A CN117717397A CN202410099977.7A CN202410099977A CN117717397A CN 117717397 A CN117717397 A CN 117717397A CN 202410099977 A CN202410099977 A CN 202410099977A CN 117717397 A CN117717397 A CN 117717397A
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- China
- Prior art keywords
- scissor head
- guide wheel
- head
- steel wire
- pin shaft
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- 210000000683 abdominal cavity Anatomy 0.000 title claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 66
- 239000010959 steel Substances 0.000 claims abstract description 66
- 238000002357 laparoscopic surgery Methods 0.000 claims abstract description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010008 shearing Methods 0.000 abstract description 11
- 239000008280 blood Substances 0.000 abstract description 8
- 210000004369 blood Anatomy 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 238000006748 scratching Methods 0.000 abstract description 3
- 230000002393 scratching effect Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002674 endoscopic surgery Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
A free scissors for abdominal cavity endoscope operation relates to scissors for operation. The invention aims to solve the problem that in the prior art, monopolar scissors are not suitable for free operation, so that a clinician needs to frequently replace instruments in operation, and the operation time is prolonged. The invention has simple structure and convenient operation, can realize the swing of the deflection joint and the opening and closing of the left scissor head and the right scissor head by controlling each traction steel wire, is convenient for shearing, scratching, spot and other shearing free operations in laparoscopic surgery, and does not need to frequently replace instruments; secondly, the cutting tips of the left scissor head and the right scissor head are the cutting tips with round corner structures, so that other parts are prevented from being damaged in the process of separating tissues; and ribs are integrally arranged on the backs of the left scissor head and the right scissor head so as to reduce the surface tension of blood on the surface of the backs of the knives and drain the blood, and the left scissor head and the right scissor head can be used as a free instrument to remove free bodies when being closed. The invention belongs to the technical field of medical appliances.
Description
Technical Field
The invention relates to a pair of scissors for operation, in particular to a pair of free scissors for abdominal cavity endoscope operation, and belongs to the technical field of medical instruments.
Background
With the development of medical technology, intelligent surgical robots are becoming more and more popular, and the number of laparoscopic surgery occupies the half-wall mountain of the surgical robots.
The abdominal cavity endoscope operation system designs a special bending separation clamp for free operation in clinical operation. However, in the operation process, in order to facilitate operation and save time, most of clinicians tend to use monopolar scissors, or use monopolar scissors to cooperate with curved separating forceps to perform shearing, scratching, dotting, coagulation and other operations on shearing free bodies.
The monopolar scissors adopted at present are not completely suitable for free operation, which leads to frequent replacement of instruments by a clinician during operation, thereby prolonging operation time.
In summary, how to solve the above-mentioned problems is to provide a free scissors, which is also a problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims at the defects of the prior art and provides a free shear for abdominal cavity endoscopic surgery.
The technical scheme of the invention is as follows: a free shear for abdominal cavity endoscope operation comprises a shear blade seat and a deflection joint.
And a third pin shaft, a fourth pin shaft, a left scissor head and a right scissor head are arranged on the deflection joint.
The third pin shaft and the fourth pin shaft are arranged at 90 degrees, and the left scissor head and the right scissor head are hinged with the deflection joint through the fourth pin shaft.
The cutting tips of the left scissor head and the right scissor head are cutting tips with round corner structures, protruding edges are integrally arranged on the backs of the left scissor head and the right scissor head, and a left scissor head third guide wheel and a right scissor head third guide wheel are respectively arranged at two ends of the third pin shaft.
The shearing tool holder is provided with a plurality of steel wire through holes, and is provided with a left shearing tool head left traction steel wire, a left shearing tool head right traction steel wire, a right shearing tool head left traction steel wire, a right shearing tool head right traction steel wire, a deflection joint upper traction steel wire, a deflection joint lower traction steel wire, a first pin shaft and a second pin shaft, wherein the first pin shaft and the second pin shaft are arranged in parallel with the third pin shaft.
The first pin shaft is sequentially provided with a left scissor head fifth guide wheel, a right scissor head fifth guide wheel, a left scissor head first guide wheel and a right scissor head first guide wheel.
The second pin shaft is sequentially provided with a left scissor head fourth guide wheel, a right scissor head fourth guide wheel, a pitching guide wheel, a left scissor head second guide wheel and a right scissor head second guide wheel.
The upper traction steel wire of the deflection joint and the lower traction steel wire of the deflection joint are fixedly connected with the pitching guide wheel after penetrating through the steel wire through holes, and the deflection joint is fixedly connected with the pitching guide wheel.
The left traction steel wire of the left scissor head penetrates into the steel wire through hole and sequentially passes through the first guide wheel of the left scissor head, the second guide wheel of the left scissor head and the third guide wheel of the left scissor head to be fixedly connected with the left scissor head.
The right traction steel wire of the left scissor head penetrates from the steel wire through hole and passes through the fourth guide wheel of the left scissor head and the fifth guide wheel of the left scissor head in sequence to be fixedly connected with the left scissor head.
The left traction steel wire of the right scissor head penetrates from the steel wire through hole and passes through the fifth guide wheel of the right scissor head and the fourth guide wheel of the right scissor head in sequence to be fixedly connected with the right scissor head.
The right traction steel wire of the right scissor head penetrates from the steel wire through hole and is fixedly connected with the right scissor head after sequentially passing through the first guide wheel of the right scissor head, the second guide wheel of the right scissor head and the third guide wheel of the right scissor head.
Compared with the prior art, the invention has the following effects:
1. the invention has simple structure and convenient operation, can realize the swinging of the deflection joint 200 and the opening and closing of the left scissor head 221 and the right scissor head 222 by controlling each traction steel wire, is convenient for shearing, scratching, spot shearing and free operation in laparoscopic surgery, does not need to frequently replace instruments, saves the operation time and ensures the normal operation of the operation.
2. The cutting tips of the left cutting head 221 and the right cutting head 222 are cutting tips with round corner structures, so that other parts of the left cutting head 221 and the right cutting head 222 are prevented from being damaged in the process of separating tissues; and ribs are integrally arranged on the backs of the left scissor head 221 and the right scissor head 222 so as to reduce the surface tension of blood on the surface of the backs of the knives, drain the blood, prevent the blood from adhering to the backs of the knives, and remove the free body as a free instrument when the left scissor head 221 and the right scissor head 222 are closed.
Drawings
FIG. 1 is a first isometric view of the present invention;
FIG. 2 is a second isometric view of the present invention;
FIG. 3 is a bottom view of the present invention;
FIG. 4 is a top view of the present invention;
fig. 5 is a schematic view of the yaw joint 200 of the present invention in a pitch operation.
In the figure:
100. a scissor holder; 110. a first pin; 111. the left scissor head is provided with a first guide wheel; 112. the right scissor head is provided with a first guide wheel; 113. a fifth guide wheel of the left scissor head; 114. a fifth guide wheel of the right scissor head;
120. a second pin; 121. the second guide wheel of the left scissor head; 122. the right scissor head second guide wheel; 123. a fourth guide wheel of the left scissor head; 124. a fourth guide wheel of the right scissor head; 125. pitching the guide wheel;
200. a deflection joint; 210. a third pin; 211. the third guide wheel of the left scissor head; 212. the right scissor head is provided with a third guide wheel; 220. a fourth pin; 221. a left scissor head; 222. a right scissor head;
310. left scissor head left traction steel wire; 320. the left scissor head and the right traction steel wire; 410. a right scissor head left traction steel wire; 420. right scissors head right traction steel wire; 510. traction steel wires on the deflection joint; 520. and a traction steel wire under the deflection joint.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
The first embodiment is as follows: referring to fig. 1 to 5, a free scissors for laparoscopic surgery according to the present embodiment includes a scissors base 100 and a yaw joint 200.
The yaw joint 200 is provided with a third pin 210, a fourth pin 220, a left scissor head 221 and a right scissor head 222.
The third pin 210 and the fourth pin 220 are disposed at 90 degrees, and the left scissor head 221 and the right scissor head 222 are both hinged to the yaw joint 200 through the fourth pin 220.
The tips of the left scissor head 221 and the right scissor head 222 are the tips with rounded structures, and the arrangement is adopted to prevent the left scissor head 221 and the right scissor head 222 from damaging other parts in the process of separating tissues.
The blade backs of the left blade head 221 and the right blade head 222 are integrally provided with the convex edges which are parallel to the blade edge, so that the surface tension of blood on the surface of the blade back can be reduced, the blood is drained, and the blood is not attached to the blade back; the free body can be removed as a free instrument when left scissor head 221 and right scissor head 222 are closed.
The left scissor head third guide wheel 211 and the right scissor head third guide wheel 212 are respectively arranged at two ends of the third pin shaft 210.
The scissor seat 100 is provided with a plurality of steel wire through holes, and the scissor seat 100 is provided with a left scissor head left traction steel wire 310, a left scissor head right traction steel wire 320, a right scissor head left traction steel wire 410, a right scissor head right traction steel wire 420, an upper deflection joint traction steel wire 510, a lower deflection joint traction steel wire 520, a first pin 110 and a second pin 120, wherein the first pin 110 and the second pin 120 are arranged in parallel with the third pin 210.
A left scissor head fifth guide wheel 113, a right scissor head fifth guide wheel 114, a left scissor head first guide wheel 111 and a right scissor head first guide wheel 112 are sequentially installed on the first pin 110.
A left scissor fourth guide wheel 123, a right scissor fourth guide wheel 124, a pitching guide wheel 125, a left scissor second guide wheel 121 and a right scissor second guide wheel 122 are sequentially mounted on the second pin 120.
The upper traction steel wire 510 and the lower traction steel wire 520 of the deflection joint are fixedly connected with the pitching guide wheel 125 after penetrating through the steel wire through holes, and the deflection joint 200 is fixedly connected with the pitching guide wheel 125, so that the deflection joint 200 is hinged with the scissor seat 100.
The left traction steel wire 310 of the left scissor head penetrates from the steel wire through hole and passes through the first guide wheel 111 of the left scissor head, the second guide wheel 121 of the left scissor head and the third guide wheel 211 of the left scissor head in sequence, and then is fixedly connected with the left scissor head 221.
The left scissor head right traction steel wire 320 penetrates from the steel wire through hole and passes through the left scissor head fourth guide wheel 123 and the left scissor head fifth guide wheel 113 in sequence to be fixedly connected with the left scissor head 221.
The right scissor head left traction wire 410 penetrates from the wire through hole and passes through the right scissor head fifth guide wheel 114 and the right scissor head fourth guide wheel 124 in sequence to be fixedly connected with the right scissor head 222.
Right cutter right traction wire 420 is fixedly connected with right cutter 222 after passing through right cutter first guide wheel 112, right cutter second guide wheel 122 and right cutter third guide wheel 212 in sequence from the wire through hole.
The second embodiment is as follows: referring to fig. 2 to 4, in the present embodiment, the left scissor head first guide wheel 111, the left scissor head second guide wheel 121, the left scissor head third guide wheel 211, the left scissor head fourth guide wheel 123, the left scissor head fifth guide wheel 113, the right scissor head first guide wheel 112, the right scissor head second guide wheel 122, the right scissor head third guide wheel 212, the right scissor head fourth guide wheel 124, the right scissor head fifth guide wheel 114, and the pitch guide wheel 125 are all made of stainless steel.
Further, the materials of the first pin 110, the second pin 120, the third pin 210 and the fourth pin 220 are all stainless steel.
Other components and connection relationships are the same as those of the first embodiment.
And a third specific embodiment: referring to fig. 1 to 4, the present embodiment is described with respect to the left scissor head left traction wire 310, the left scissor head right traction wire 320, the right scissor head left traction wire 410, the right scissor head right traction wire 420, the upper yaw joint traction wire 510, and the lower yaw joint traction wire 520, which have diameters of 0.5 to 1mm.
Further, the number of the steel wire through holes is 6.
Other components and connection relationships are the same as those of the first or second embodiment.
Principle of operation
As shown in fig. 3 and 4, the left traction wire 310 and the right traction wire 420 of the left scissor head are pulled simultaneously during the operation to realize the relative outward swinging of the left scissor head 221 and the right scissor head 222, namely in a scissor opening shape; the left scissor head right traction wire 320 and the right scissor head left traction wire 410 are pulled simultaneously to enable the left scissor head 221 and the right scissor head 222 to swing relatively inwards, namely in a scissor closed shape.
As shown in fig. 5, the yaw joint 200 is hinged to the scissor seat 100, and the upper traction wire 510 of the yaw joint is pulled to enable the yaw joint 200 to swing upwards, and the lower traction wire 520 of the yaw joint is pulled to enable the yaw joint 200 to swing downwards.
The present invention has been described in terms of the preferred embodiments, but is not limited thereto, and any simple modification, equivalent changes and variation of the above embodiments according to the technical principles of the present invention will be within the scope of the present invention, as will be apparent to those skilled in the art without departing from the spirit and scope of the present invention.
Claims (5)
1. The utility model provides a free scissors for abdominal cavity endoscope operation which characterized in that:
comprises a scissor seat (100) and a deflection joint (200);
the deflection joint (200) is provided with a third pin shaft (210), a fourth pin shaft (220), a left scissor head (221) and a right scissor head (222);
the third pin shaft (210) and the fourth pin shaft (220) are arranged at 90 degrees, and the left scissor head (221) and the right scissor head (222) are hinged with the deflection joint (200) through the fourth pin shaft (220);
the cutting tips of the left cutting head (221) and the right cutting head (222) are cutting tips with round corner structures, protruding edges are integrally arranged on the backs of the left cutting head (221) and the right cutting head (222), and a left cutting head third guide wheel (211) and a right cutting head third guide wheel (212) are respectively arranged at two ends of the third pin shaft (210);
the scissors seat (100) is provided with a plurality of steel wire through holes, and the scissors seat (100) is provided with a left scissors head left traction steel wire (310), a left scissors head right traction steel wire (320), a right scissors head left traction steel wire (410), a right scissors head right traction steel wire (420), a deflection joint upper traction steel wire (510), a deflection joint lower traction steel wire (520), a first pin shaft (110) and a second pin shaft (120), wherein the first pin shaft (110) and the second pin shaft (120) are arranged in parallel with the third pin shaft (210);
a left scissor head fifth guide wheel (113), a right scissor head fifth guide wheel (114), a left scissor head first guide wheel (111) and a right scissor head first guide wheel (112) are sequentially arranged on the first pin shaft (110);
a left scissor head fourth guide wheel (123), a right scissor head fourth guide wheel (124), a pitching guide wheel (125), a left scissor head second guide wheel (121) and a right scissor head second guide wheel (122) are sequentially arranged on the second pin shaft (120);
the upper traction steel wire (510) and the lower traction steel wire (520) of the deflection joint are fixedly connected with the pitching guide wheel (125) after penetrating through the steel wire through holes, and the deflection joint (200) is fixedly connected with the pitching guide wheel (125);
the left traction steel wire (310) of the left scissor head penetrates from the steel wire through hole and passes through the first guide wheel (111) of the left scissor head, the second guide wheel (121) of the left scissor head and the third guide wheel (211) of the left scissor head in sequence to be fixedly connected with the left scissor head (221);
the left scissor head right traction steel wire (320) penetrates from the steel wire through hole and passes through the left scissor head fourth guide wheel (123) and the left scissor head fifth guide wheel (113) in sequence to be fixedly connected with the left scissor head (221);
the left traction steel wire (410) of the right scissor head penetrates from the steel wire through hole and passes through the fifth guide wheel (114) of the right scissor head and the fourth guide wheel (124) of the right scissor head in sequence to be fixedly connected with the right scissor head (222);
the right traction steel wire (420) of the right scissor head penetrates from the steel wire through hole and passes through the first guide wheel (112) of the right scissor head, the second guide wheel (122) of the right scissor head and the third guide wheel (212) of the right scissor head in sequence to be fixedly connected with the right scissor head (222).
2. The free scissors for laparoscopic surgery according to claim 1, wherein: the left scissor head first guide wheel (111), the left scissor head second guide wheel (121), the left scissor head third guide wheel (211), the left scissor head fourth guide wheel (123), the left scissor head fifth guide wheel (113), the right scissor head first guide wheel (112), the right scissor head second guide wheel (122), the right scissor head third guide wheel (212), the right scissor head fourth guide wheel (124), the right scissor head fifth guide wheel (114) and the pitching guide wheel (125) are all made of stainless steel.
3. The free scissors for laparoscopic surgery according to claim 2, wherein: the first pin shaft (110), the second pin shaft (120), the third pin shaft (210) and the fourth pin shaft (220) are all made of stainless steel.
4. A free scissors for laparoscopic surgery according to claim 3, wherein: the diameters of the left scissor head left traction steel wire (310), the left scissor head right traction steel wire (320), the right scissor head left traction steel wire (410), the right scissor head right traction steel wire (420), the upper deflection joint traction steel wire (510) and the lower deflection joint traction steel wire (520) are all 0.5-1 mm.
5. The free scissors for laparoscopic surgery according to claim 4, wherein: the number of the steel wire through holes is 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410099977.7A CN117717397A (en) | 2024-01-24 | 2024-01-24 | Free scissors for abdominal cavity endoscope operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410099977.7A CN117717397A (en) | 2024-01-24 | 2024-01-24 | Free scissors for abdominal cavity endoscope operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117717397A true CN117717397A (en) | 2024-03-19 |
Family
ID=90207115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410099977.7A Pending CN117717397A (en) | 2024-01-24 | 2024-01-24 | Free scissors for abdominal cavity endoscope operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117717397A (en) |
-
2024
- 2024-01-24 CN CN202410099977.7A patent/CN117717397A/en active Pending
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