CN110123397B - Parachute type retractor for laparoscope - Google Patents
Parachute type retractor for laparoscope Download PDFInfo
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- CN110123397B CN110123397B CN201910366146.0A CN201910366146A CN110123397B CN 110123397 B CN110123397 B CN 110123397B CN 201910366146 A CN201910366146 A CN 201910366146A CN 110123397 B CN110123397 B CN 110123397B
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- 230000000968 intestinal effect Effects 0.000 claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims description 31
- 238000009434 installation Methods 0.000 claims description 5
- 230000003886 intestinal anastomosis Effects 0.000 claims description 5
- 210000000683 abdominal cavity Anatomy 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 abstract description 4
- 239000003086 colorant Substances 0.000 abstract description 3
- 210000000936 intestine Anatomy 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 description 5
- 210000000813 small intestine Anatomy 0.000 description 5
- 206010009944 Colon cancer Diseases 0.000 description 4
- 208000001333 Colorectal Neoplasms Diseases 0.000 description 4
- 230000003872 anastomosis Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002271 resection Methods 0.000 description 3
- 238000002350 laparotomy Methods 0.000 description 2
- 210000002429 large intestine Anatomy 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000005646 Pneumoperitoneum Diseases 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000006578 abscission Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000002357 laparoscopic surgery Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
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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
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
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Abstract
The invention relates to the technical field of machinery, in particular to a laparoscope parachute type retractor which comprises a rod-shaped operating handle and a traction box arranged at the top of the operating handle, wherein a traction needle is arranged in an outlet groove. This peritoneoscope parachute-type tractor, through the traction of pull wire, pull free intestinal cavity outside micro incision according to established order, pull the intestinal cavity of two disconnected ends outside the incision and carry out intestines enteroanastomosis, make the intestinal cavity of breaking off pull the abdominal cavity and all operate under visual state, the suspension of parachute-type is adopted to the pull wire of three kinds of different colours, can accurately guide the position when the tractive, reach accurate, fast advantage, the device's global design is convenient for operate under the peritoneoscope, reduce the wound, reduce the incision, accurate positioning, avoid the wound again, existing visual sense, again have accurate position sense, contain clear and definite fixed point simultaneously, the operation is simple, the design science, high durability and convenient use, the advantage of easily promoting.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a parachute type retractor for a laparoscope.
Background
Colorectal cancer is taken as common malignant tumor in China, the accepted treatment method is comprehensive treatment of a preferred surgical operation, laparoscopic colorectal cancer resection gradually replaces laparotomy colorectal cancer resection and becomes an operation mode approved by modern general surgeons, but the most key step of laparoscopic colorectal cancer resection is reconstruction after intestinal cavity is cut off, most doctors leave the intestinal cavity at present and open a small incision, the hands of the surgeons extend into the abdominal cavity to take out tumor tissue, then free small intestines are pulled out, because the small intestines belong to internal organs, the small intestines have strong mobility and are easy to rotate, even rotate for 360 degrees, and the surgeons pull the small intestines blindly or pull the free large intestines, whether the pulled out large intestines are twisted is difficult to determine only by feeling or experience, and whether the twisted intestines are twisted or not can be determined only by feeling or experience, and then the small intestines are returned to the abdominal cavity after intestinal anastomosis is completed, and then, after the pneumoperitoneum is reconstructed, the enteroenterostomy can be determined whether to be aligned and anastomosed by using laparoscopic exploration, and in many cases, the intestinal cavity after the enterostomy is anastomosed is twisted, the suture needs to be removed again, the anastomosis relation and the anastomosis direction are straightened, and then the enterostomy is anastomosed again. In order to avoid the intestinal torsion caused by the first anastomosis, reduce the blindly tracted intestinal cavity of the operator and reduce the incision for opening the abdomen, a laparoscope parachute type tractor is provided.
Disclosure of Invention
The invention aims to provide a laparoscope parachute type retractor, which aims to solve the problems that the intestinal cavity is blindly drawn to cause the intestinal torsion phenomenon, the laparotomy incision is large and the healing is difficult.
In order to achieve the above object, on one hand, the invention provides a laparoscopic parachute-type retractor, which comprises an operating handle and a traction box installed at the top of the operating handle, wherein a plurality of outlet grooves are formed in the outer wall of the traction box, a traction needle is arranged inside each outlet groove, a connecting handle is installed at the bottom of the traction needle, an elastic strip is installed at the bottom of the connecting handle, a traction rope is annularly wound on the outer wall of the connecting handle, a mounting box is arranged at the central position of the inner wall of the traction box, a connecting hole is formed in the outer wall of one side of the mounting box, a transmission gear is arranged inside the mounting box, a connecting groove is formed in the central position of the transmission gear, a plurality of driven gears are arranged on one side of the transmission gear, a rotating shaft is installed at the central position of the driven gears, and a.
Preferably, the number of the driven gears is the same as the number of the traction pins.
Preferably, the driven gear is engaged with the transmission gear.
Preferably, one end of the elastic strip is welded to one side of the connecting handle, and the other end of the elastic strip is welded to one side of the clockwork spring.
Preferably, the operating handle includes the urceolus, installs the apical ring at urceolus top and setting are in the inside telescopic link of urceolus, a plurality of solid wire loops are installed to the inner wall of urceolus, the telescopic link includes interior pole, the ejector pin is installed at the top of interior pole, the bottom of interior pole is provided with the swing handle, the top of swing handle is provided with the end ring.
Preferably, the inner rod is slidably connected to the outer cylinder.
Preferably, the ejector rod and the connecting groove are matched in an inserting mode.
Preferably, a plurality of clamping grooves are formed in the top of the top ring, an annular groove is formed in the outer wall of the top ring, the clamping grooves are communicated with the annular groove, a clamping ring is installed at the bottom of the traction box, and a plurality of sliding blocks are arranged on the inner wall of the clamping ring.
Preferably, the size of the sliding block is matched with that of the clamping groove.
Preferably, the laparoscopic parachute retractor according to any one of the above-mentioned embodiments is operated as follows:
s1, installing a traction box: the sliding block on the inner wall of the clamping ring is aligned with the clamping groove of the top ring to be clamped, the sliding block slides into the annular groove from the clamping groove at the moment, the top ring is driven to rotate by rotating the outer cylinder, the sliding block slides in the annular groove to enable the sliding block to be away from one side of the clamping groove, the sliding block is clamped in the annular groove at the moment, the top ring is installed in the clamping ring, and the outer cylinder and the traction box are installed;
s2, mounting an operating handle: an inner rod of the telescopic rod penetrates from the bottom of the outer barrel until the bottom of the outer barrel completely enters a bottom ring of the telescopic rod, and a mandril at the top of the inner rod penetrates through the connecting hole and is clamped in a connecting groove of the transmission gear;
s3, fixing the intestinal cavity: under the state of an endoscope, firstly straightening the intestinal cavity, inserting the operating handle into the intestinal cavity to enable the traction box to be positioned inside the intestinal cavity, rotating the rotating handle to enable the inner rod to rotate in the outer cylinder, and driving the transmission gear to rotate through the ejector rod;
s4, separating the telescopic rod: the rotating handle is pulled out outwards to separate the bottom ring from the outer cylinder, and the inner rod is pulled out from the outer cylinder, so that the telescopic rod can be separated;
s5, separating and pulling a box: the outer barrel is rotated to drive the top ring to rotate, the sliding block slides in the annular groove to align the sliding block to one side of the clamping groove, the outer barrel is pulled out outwards at the moment, the sliding block slides to one side of the clamping groove from the inside of the annular groove and slides out of the clamping groove, and the top ring is separated from the clamping ring at the moment, so that the outer barrel is separated from the traction box;
s6, intestinal cavity reconstruction: after the operation handle is separated from the traction box, the traction rope is exposed, at the moment, the traction rope is only required to be lightly pulled, the free intestinal cavities are pulled outside the incision according to a set sequence, and the intestinal cavities at the two broken ends are pulled outside the incision to carry out intestinal anastomosis.
Compared with the prior art, the invention has the beneficial effects that:
1. compared with the manual traction method of an operator, the laparoscope parachute type tractor has the advantages of visual sense, accurate azimuth sense, clear fixed points, simplicity in operation, scientific design, practicality, convenience and convenience in popularization.
2. This peritoneoscope parachute-type tractor, through will drawing the needle and form the barb anchor on the intestinal wall, and through the traction of pull wire, pull free intestinal chamber outside the incision according to established order, pull the intestinal chamber of two disconnected ends outside the incision and carry out the intestines identical, make the intestinal chamber of abscission pull all operate under visual state outside the abdominal cavity, the pull wire of three kinds of different colours adopts hanging in midair of parachute-type, can accurately guide the position when the tractive, reach accurately, accurate, fast advantage, adopt the face that the minimum point formed simultaneously, save space, be unlikely to the messy line.
3. The laparoscope parachute type retractor has the advantages that the overall structure is rod-shaped, clinical operation, particularly laparoscopic surgery, is convenient, the overall structure of the traction box is small and exquisite, and an intestinal cavity can be pulled under a minimum incision to reduce the incision.
4. This peritoneoscope parachute-type tractor through setting up the limiting plate for form between a plurality of limiting plates and the fretwork groove and be used for pulling needle joint complex spacing groove, when pulling needle roll-off spacing groove, open through self elasticity, and block on the spacing groove, realize pulling the fixed of needle, the telescopic link of being convenient for and urceolus separation back are with many haulage ropes synchronous traction play.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the traction box of the present invention in an unused state;
FIG. 3 is a schematic structural view of the mounting box of the present invention;
FIG. 4 is a schematic structural view of the traction box of the present invention in a use state;
FIG. 5 is a schematic view of the structure of the lever of the present invention;
FIG. 6 is a schematic cross-sectional view of the outer barrel of the present invention;
FIG. 7 is a schematic view of the telescopic rod of the present invention;
FIG. 8 is a schematic view of the top ring structure of the present invention;
FIG. 9 is an exploded view of the outer structure of the traction box of the present invention;
FIG. 10 is a schematic structural view of an outer tub 11 according to embodiment 4 of the present invention;
fig. 11 is an exploded view of the structure of the hollow-out groove of the present invention.
In the figure: 1. an operating handle; 11. an outer cylinder; 111. a wire fixing ring; 12. a top ring; 121. a card slot; 122. an annular groove; 13. a telescopic rod; 131. an inner rod; 132. a top rod; 133. a bottom ring; 134. turning a handle; 14. pushing and pulling the sleeve; 15. a spring plate; 16. hollowing out the grooves; 161. a limiting plate; 162. a limiting groove; 17. pushing the plate; 18. a handle; 2. a traction box; 21. an outlet tank; 22. a traction needle; 23. a connecting handle; 24. an elastic strip; 25. a hauling rope; 26. mounting a box; 261. a transmission gear; 262. connecting grooves; 263. a driven gear; 264. a rotating shaft; 265. a clockwork spring; 27. connecting holes; 28. a snap ring; 29. a slide block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example 1
In one aspect, the present invention provides a laparoscopic parachute-type retractor, as shown in fig. 1 to 4, comprising an operation handle 1 and a traction box 2 installed on the top of the operation handle 1, wherein the outer wall of the traction box 2 is provided with a plurality of outlet grooves 21, a traction needle 22 is disposed inside the outlet grooves 21, a connecting handle 23 is installed at the bottom of the traction needle 22, an elastic strip 24 is installed at the bottom of the connecting handle 23, a traction rope 25 is annularly wound on the outer wall of the connecting handle 23, a mounting box 26 is disposed at the central position of the inner wall of the traction box 2, a connecting hole 27 is disposed on the outer wall of one side of the mounting box 26, a transmission gear 261 is disposed inside the mounting box 26, a connecting groove 262 is disposed at the central position of the transmission gear 261, a plurality of driven gears 263 are disposed at one side of the transmission gear 261, a rotating shaft 264 is disposed at the, the number of the driven gears 263 is the same as that of the traction needles 22, the driven gears 263 are engaged with the transmission gear 261, one end of the elastic strip 24 is welded to the side of the connecting shank 23, and the other end of the elastic strip 24 is welded to the side of the clockwork spring 265.
In this embodiment, the retracting needle 22 is in a shape of letter "V", and the retracting needle 22 is made of stainless steel, so that the retracting needle 22 has good metal elasticity, which facilitates the contraction and expansion of the retracting needle 22.
Furthermore, the connecting handle 23 and the traction needle 22 are of an integrally formed structure, so that the connecting handle 23 and the traction needle 22 are stably connected and are not easy to break, and the traction needle 22 is driven to move by the movement of the connecting handle 23.
Specifically, the connecting groove 262 and the connecting hole 27 are located on the same side, and the size of the connecting groove 262 is matched with the size of the connecting hole 27, so that the push rod 132 can be inserted into the connecting groove 262 through the connecting hole 27.
In addition, the rotating shaft 264 passes through the driven gear 263, and the bottom of the rotating shaft 264 is mounted in the mounting box 26 through a bearing, so that the driven gear 263 rotates in the mounting box 26.
In addition, one side of the transmission gear 261 is rotatably connected to the inner wall of the mounting box 26 through a bearing, so that the transmission gear 261 can rotate in the mounting box 26.
It is worth noting that each pulling rope 25 has a different color, so that the pulling position of the pulling needle 22 can be determined by the pulling ropes 25 with different colors.
In the laparoscopic parachute retractor of the present embodiment, when the intestinal cavity is fixed, in an endoscopic state, the intestinal cavity is straightened, the operation handle 1 is inserted into the intestinal cavity, so that the traction box 2 is located inside the intestinal cavity, in an ordinary state, the traction needle 22 is located inside the exit slot 21, the traction needle 22 is limited by the space of the exit slot 21, and the whole body is in a contracted state, specifically, as shown in fig. 2, when the transmission gear 261 inside the mounting box 26 rotates, the transmission gear 261 drives the driven gear 263 to rotate, the rotating shaft 264 mounted on the driven gear 263 rotates along with the driven gear 263, and when the rotating shaft 264 rotates, the clockwork spring 265 mounted on the rotating shaft 264 is rotated and stretched, and the elastic strip 24 is ejected outwards, and the connection handle 23 is pushed by the elastic strip 24 to eject the traction needle 22 from the exit slot 21, at this time, the traction needle 22 leaves the exit slot 21 side, and is ejected like an umbrella by its own elasticity, forming a barbed anchor on the intestinal wall, as shown in particular in figure 4;
when the intestinal cavity of the laparoscopic parachute-type retractor of the embodiment is reconstructed, the retraction needle 22 is pulled, the operation handle 1 and the retraction box 2 are separated, the retraction rope 25 is exposed, at the moment, only the retraction rope 25 needs to be slightly retracted, the free intestinal cavity is retracted outside the incision according to a set sequence, and the intestinal cavities at two broken ends are retracted outside the incision to perform intestinal anastomosis.
Example 2
As a second embodiment of the present invention, in order to facilitate driving of the transmission gear 261, the inventor modifies the operation handle 1, as shown in fig. 5-7, as a preferred embodiment, the operation handle 1 includes an outer cylinder 11, a top ring 12 mounted on the top of the outer cylinder 11, and a telescopic rod 13 disposed inside the outer cylinder 11, the inner wall of the outer cylinder 11 is mounted with a plurality of wire fixing rings 111, the telescopic rod 13 includes an inner rod 131, a top rod 132 is mounted on the top of the inner rod 131, a bottom lever 134 is disposed at the bottom of the inner rod 131, a bottom ring 133 is disposed on the top of the rotary lever 134, the inside of the outer cylinder 11 is a hollow structure, the inner rod 131 and the outer cylinder 11 are slidably connected, and the top rod 132 and the connection groove.
In this embodiment, the size of the outer cylinder 11 is matched with the size of the bottom ring 133, so that the outer cylinder 11 can be inserted into the bottom ring 133 conveniently, and the outer cylinder 11 can rotate in the bottom ring 133.
Further, the bottom ring 133 and the rotary handle 134 are tightly bonded, and the inner rod 131 and the rotary handle 134 are integrally formed, so that the bottom ring 133 and the inner rod 131 can be driven to rotate through rotating the rotary handle 134.
Specifically, arc edges are arranged on the periphery of the rotating handle 134 and are in an inward concave arc shape, so that the rotating handle 134 can be attached to the palm conveniently.
It is worth explaining that the cross section of the wire fixing ring 111 is arc-shaped, the size of the wire fixing ring 111 is matched with that of the pulling rope 25, the pulling rope 25 penetrates through the wire fixing ring 111, the pulling rope 25 is convenient to limit, the pulling rope 25 can be placed in a classified mode, and the pulling rope 25 is prevented from being wound mutually.
When the operating handle 1 of the laparoscopic parachute retractor of the present embodiment is used, the inner rod 131 of the telescopic rod 13 is penetrated from the bottom of the outer cylinder 11 until the bottom of the outer cylinder 11 completely enters into the bottom ring 133 of the telescopic rod 13, at this time, the ejector rod 132 at the top of the inner rod 131 passes through the connecting hole 27 and is clamped in the connecting groove 262 of the transmission gear 261, through the rotating handle 134, the inner rod 131 rotates in the outer cylinder 11, and the transmission gear 261 is driven to rotate through the ejector rod 132, thereby completing the transmission work, when the telescopic rod 13 is separated, only the rotating handle 134 needs to be extracted outwards, so that the bottom ring 133 and the outer cylinder 11 are separated, and the inner rod 131 is extracted from the outer cylinder 11, thereby realizing the separation of.
Example 3
As a third embodiment of the present invention, in order to facilitate separation of the traction box 2, the inventor of the present invention has made an improved design for the traction box 2, as shown in fig. 8 to 9, a plurality of clamping grooves 121 are formed at the top of the top ring 12, an annular groove 122 is formed at the outer wall of the top ring 12, the clamping grooves 121 are communicated with the annular groove 122, a snap ring 28 is installed at the bottom of the traction box 2, a plurality of sliding blocks 29 are arranged on the inner wall of the snap ring 28, and the sliding blocks 29 are matched with the clamping grooves 121 in size.
In this embodiment, the size of snap ring 28 is adapted to the size of top ring 12 to facilitate mounting top ring 12 within snap ring 28.
Further, the slider 29 is slidably engaged with the slot 121, so that the slider 29 can be conveniently slid into the slot 121.
Specifically, the annular groove 122 of the sliding block 29 is slidably engaged, so that the sliding block 29 can rotate in the annular groove 122, and the sliding block 29 is limited in the annular groove 122.
When the traction box 2 of the laparoscopic parachute retractor in this embodiment is installed, the sliding block 29 on the inner wall of the snap ring 28 is aligned with the clamping groove 121 of the top ring 12 and clamped, at this time, the sliding block 29 slides into the annular groove 122 from the clamping groove 121, the top ring 12 is driven to rotate by rotating the outer cylinder 11, the sliding block 29 slides in the annular groove 122, so that the sliding block 29 leaves one side of the clamping groove 121, at this time, the sliding block 29 is clamped in the annular groove 122, so that the top ring 12 is installed in the snap ring 28, and the installation of the outer cylinder 11 and the traction.
When the traction box 2 of the laparoscopic parachute-type retractor of the present embodiment is separated, the outer cylinder 11 is rotated to drive the top ring 12 to rotate, the slider 29 slides in the annular groove 122, so that the slider 29 is aligned to one side of the clamping groove 121, the outer cylinder 11 is outwardly pulled out at this time, the slider 29 slides to one side of the clamping groove 121 from the annular groove 122 and slides out from the clamping groove 121, and the top ring 12 and the snap ring 28 are separated at this time, thereby realizing the separation of the outer cylinder 11 and the traction box 2.
Example 4
As a fourth embodiment of the present invention, in order to fix the pulling needle 22 and to pull out the pulling ropes 25 synchronously, the present inventor further improves the structure of the outer cylinder 11, as shown in fig. 10-11, as a preferred embodiment, a push-pull sleeve 14 is slidably fitted on the outer wall of the outer cylinder 11, a plurality of elastic pieces 15 are mounted on the top of the push-pull sleeve 14, the number of the elastic pieces 15 is the same as that of the pulling needles 22, so that each pulling needle 22 corresponds to one elastic piece 15, a hollow groove 16 is formed on the outer wall of the elastic piece 15, a plurality of limiting plates 161 are symmetrically arranged on the inner wall of the hollow groove 16, a limiting groove 162 for snap-fitting the pulling needle 22 is formed between the plurality of limiting plates 161 and the hollow groove 16, the limiting groove 162 is in a trapezoidal shape with a narrow upper portion and a lower portion, so that the pulling needle 22 slides to the top of the limiting groove 162 along the bottom of the limiting groove 162, and when the pulling needle 22 slides out of the limiting groove 162, the traction needle 22 is fixed by expanding the self-elasticity and being clamped on the limit groove 162, the push plate 17 is further installed at the bottom of the push-pull sleeve 14, and the handle 18 is installed at the top of the push plate 17.
When the laparoscope parachute type retractor of the embodiment fixes the traction needle 22, the push plate 17 is pushed by the handle 18, so that the push-pull sleeve 14 slides on the outer cylinder 11 until the elastic sheet 15 at the top of the push-pull sleeve 14 is located on one side of the traction box 2, the traction needle 22 is popped out from the traction box 2, the traction needle 22 enters the limiting groove 162, at the moment, the traction needle 22 slides to the top of the limiting groove 162 along the bottom of the limiting groove 162, when the traction needle 22 slides out of the limiting groove 162, the traction needle is opened by self elasticity and is clamped on the limiting groove 162, fixation of the traction needle 22 is realized, and after the telescopic rod 13 and the outer cylinder 11 are separated conveniently, a plurality of traction ropes 25 are synchronously pulled out.
On the other hand, the invention also provides an operation method of the laparoscopic parachute-type retractor, which comprises the following operation steps:
s1, installing the traction box 2: the sliding block 29 on the inner wall of the snap ring 28 is aligned with the clamping groove 121 of the top ring 12 to be clamped, at the moment, the sliding block 29 slides into the annular groove 122 from the clamping groove 121, the top ring 12 is driven to rotate by rotating the outer cylinder 11, the sliding block 29 slides in the annular groove 122, so that the sliding block 29 leaves one side of the clamping groove 121, at the moment, the sliding block 29 is clamped in the annular groove 122, the top ring 12 is installed in the snap ring 28, and the installation of the outer cylinder 11 and the traction box 2 is;
s2, mounting the lever 1: the inner rod 131 of the telescopic rod 13 penetrates from the bottom of the outer cylinder 11 until the bottom of the outer cylinder 11 completely enters the bottom ring 133 of the telescopic rod 13, and the ejector rod 132 at the top of the inner rod 131 penetrates through the connecting hole 27 and is clamped in the connecting groove 262 of the transmission gear 261;
s3, fixing the intestinal cavity: under the state of an endoscope, firstly straightening a separated intestinal cavity, inserting the operating handle 1 into the intestinal cavity to enable the traction box 2 to be positioned in the intestinal cavity, rotating the inner rod 131 in the outer cylinder 11 by rotating the rotary handle 134, and driving the transmission gear 261 to rotate by the ejector rod 132, when the transmission gear 261 rotates in the installation box 26, the transmission gear 261 drives the driven gear 263 to rotate, the rotating shaft 264 arranged on the driven gear 263 rotates along with the driven gear 263 in the same direction, and when the rotating shaft 264 rotates, the clockwork spring 265 arranged on the rotating shaft 264 rotates and stretches and pushes the elastic strip 24 outwards, and the elastic strip 24 pushes the connecting handle 23 to push the traction needle 22 out of the outlet groove 21, at the moment, the traction needle 22 leaves one side of the outlet groove 21 and is flicked in an umbrella shape by the elasticity of the traction needle 22 to form a barb anchor on the intestinal wall;
s4, separating the telescopic rod 13: the rotating handle 134 is pulled out outwards to separate the bottom ring 133 from the outer barrel 11, and the inner rod 131 is pulled out from the outer barrel 11, so that the telescopic rod 13 can be separated;
s5, separation traction box 2: the top ring 12 is driven to rotate by rotating the outer barrel 11, the sliding block 29 slides in the annular groove 122, so that the sliding block 29 is aligned to one side of the clamping groove 121, the outer barrel 11 is pulled out outwards at the moment, the sliding block 29 slides to one side of the clamping groove 121 from the annular groove 122 and slides out of the clamping groove 121, the top ring 12 is separated from the clamping ring 28 at the moment, and the outer barrel 11 is separated from the traction box 2;
s6, intestinal cavity reconstruction: after the operation handle 1 and the traction box 2 are separated, the traction rope 25 is exposed, at the moment, only the traction rope 25 needs to be lightly pulled, the free intestinal cavities are pulled outside the incision according to a set sequence, and the intestinal cavities at two broken ends are pulled outside the incision to carry out intestinal anastomosis.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a peritoneoscope parachute-type retractor, includes handle (1) and installs traction box (2) at handle (1) top, its characterized in that: a plurality of outlet grooves (21) are formed in the outer wall of the traction box (2), traction needles (22) are arranged in the outlet grooves (21), a connecting handle (23) is arranged at the bottom of the traction needle (22), an elastic strip (24) is arranged at the bottom of the connecting handle (23), a traction rope (25) is annularly wound on the outer wall of the connecting handle (23), a mounting box (26) is arranged at the center position of the inner wall of the traction box (2), a connecting hole (27) is formed in the outer wall of one side of the mounting box (26), a transmission gear (261) is arranged inside the mounting box (26), a connecting groove (262) is arranged at the center of the transmission gear (261), a plurality of driven gears (263) are arranged at one side of the transmission gear (261), a rotating shaft (264) is installed in the center of the driven gear (263), and a clockwork spring (265) is wound on the outer wall of the rotating shaft (264) in a ring shape; the operating handle (1) comprises an outer barrel (11), a top ring (12) arranged at the top of the outer barrel (11) and a telescopic rod (13) arranged inside the outer barrel (11), wherein a plurality of wire fixing rings (111) are arranged on the inner wall of the outer barrel (11), the telescopic rod (13) comprises an inner rod (131), a top rod (132) is arranged at the top of the inner rod (131), a rotary handle (134) is arranged at the bottom of the inner rod (131), and a bottom ring (133) is arranged at the top of the rotary handle (134); the inner part of the outer barrel (11) is of a hollow structure, and the inner rod (131) is connected with the outer barrel (11) in a sliding manner; the ejector rod (132) is in inserted fit with the connecting groove (262); the top of the top ring (12) is provided with a plurality of clamping grooves (121), the outer wall of the top ring (12) is provided with an annular groove (122), the clamping grooves (121) are communicated with the annular groove (122), the bottom of the traction box (2) is provided with a clamping ring (28), and the inner wall of the clamping ring (28) is provided with a plurality of sliding blocks (29); the size of the sliding block (29) is matched with that of the clamping groove (121).
2. The laparoscopic parachute retractor of claim 1, wherein: the number of the driven gears (263) is the same as the number of the traction needles (22).
3. The laparoscopic parachute retractor of claim 1, wherein: the driven gear (263) and the transmission gear (261) are engaged.
4. The laparoscopic parachute retractor of claim 1, wherein: one end of the elastic strip (24) is welded on one side of the connecting handle (23), and the other end of the elastic strip (24) is welded on one side of the clockwork spring (265).
5. The laparoscopic parachute retractor of any one of claims 1 to 4, wherein the operation steps are as follows:
s1, mounting the traction box (2): the sliding block (29) on the inner wall of the clamping ring (28) is aligned to a clamping groove (121) of the top ring (12) and clamped, at the moment, the sliding block (29) slides into the annular groove (122) from the clamping groove (121), the top ring (12) is driven to rotate by rotating the outer cylinder (11), the sliding block (29) slides in the annular groove (122), the sliding block (29) is separated from one side of the clamping groove (121), at the moment, the sliding block (29) is clamped in the annular groove (122), the top ring (12) is installed in the clamping ring (28), and installation of the outer cylinder (11) and the traction box (2) is achieved;
s2, mounting operation handle (1): an inner rod (131) of a telescopic rod (13) penetrates from the bottom of an outer cylinder (11) until the bottom of the outer cylinder (11) completely enters a bottom ring (133) of the telescopic rod (13), and a top rod (132) at the top of the inner rod (131) penetrates through a connecting hole (27) and is clamped in a connecting groove (262) of a transmission gear (261);
s3, fixing the intestinal cavity: under the state of an endoscope, firstly, the intestinal cavity is straightened, the operating handle (1) is inserted into the intestinal cavity, the traction box (2) is positioned in the intestinal cavity, the inner rod (131) rotates in the outer cylinder (11) by rotating the rotary handle (134), the transmission gear (261) is driven to rotate by the ejector rod (132), when the transmission gear (261) in the installation box (26) rotates, the transmission gear (261) drives the driven gear (263) to rotate, the rotating shaft (264) arranged on the driven gear (263) rotates along with the driven gear (263) in the same direction, when the rotating shaft (264) rotates, the clockwork spring (265) arranged on the rotating shaft (264) rotates and stretches, the elastic strip (24) is ejected outwards, the connecting handle (23) is pushed by the elastic strip (24) to eject the traction needle (22) from the outlet groove (21), and at the moment, the traction needle (22) leaves one side of the outlet groove (21), the elastic body springs open in an umbrella shape to form a barb to be anchored on the intestinal wall;
s4, separating the telescopic rod (13): the rotating handle (134) is pulled out outwards, so that the bottom ring (133) is separated from the outer cylinder (11), and the inner rod (131) is pulled out of the outer cylinder (11), so that the telescopic rod (13) can be separated;
s5, separating and pulling box (2): the top ring (12) is driven to rotate by rotating the outer barrel (11), the sliding block (29) slides in the annular groove (122), so that the sliding block (29) is aligned to one side of the clamping groove (121), the outer barrel (11) is drawn out outwards at the moment, the sliding block (29) slides to one side of the clamping groove (121) from the inside of the annular groove (122) and slides out from the inside of the clamping groove (121), the top ring (12) is separated from the clamping ring (28) at the moment, and the outer barrel (11) is separated from the traction box (2);
s6, intestinal cavity reconstruction: after the operating handle (1) and the traction box (2) are separated, the traction rope (25) is exposed, at the moment, the traction rope (25) is only required to be slightly pulled, the free intestinal cavities are pulled outside the incision according to a set sequence, and the intestinal cavities at two broken ends are pulled outside the incision to carry out intestinal anastomosis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910366146.0A CN110123397B (en) | 2019-05-05 | 2019-05-05 | Parachute type retractor for laparoscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910366146.0A CN110123397B (en) | 2019-05-05 | 2019-05-05 | Parachute type retractor for laparoscope |
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| CN110123397A CN110123397A (en) | 2019-08-16 |
| CN110123397B true CN110123397B (en) | 2020-05-12 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1684644A (en) * | 2002-08-29 | 2005-10-19 | 米特尔溶剂有限公司 | Implantable devices for controlling the internal circumference of an anatomic orifice or lumen |
| CN202681999U (en) * | 2012-08-22 | 2013-01-23 | 赵俊杰 | Laparoscope intestinal canal wire retractor |
| CN108272479A (en) * | 2018-01-09 | 2018-07-13 | 南方医科大学南方医院 | A kind of operation on rectum auxiliary device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8409090B2 (en) * | 2002-09-20 | 2013-04-02 | Id, Llc | Tissue retractor and method for using the retractor |
| EP2741682B1 (en) * | 2011-08-11 | 2017-10-11 | St. Jude Medical, Inc. | Apparatus for heart valve repair |
| WO2014130924A1 (en) * | 2013-02-22 | 2014-08-28 | The University Of Akron | A radially-shaped retractor and associated method of use |
| US20170079655A1 (en) * | 2015-09-18 | 2017-03-23 | Empire Technology Development Llc | Tissue gathering basket enhancements |
-
2019
- 2019-05-05 CN CN201910366146.0A patent/CN110123397B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1684644A (en) * | 2002-08-29 | 2005-10-19 | 米特尔溶剂有限公司 | Implantable devices for controlling the internal circumference of an anatomic orifice or lumen |
| CN202681999U (en) * | 2012-08-22 | 2013-01-23 | 赵俊杰 | Laparoscope intestinal canal wire retractor |
| CN108272479A (en) * | 2018-01-09 | 2018-07-13 | 南方医科大学南方医院 | A kind of operation on rectum auxiliary device |
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| CN110123397A (en) | 2019-08-16 |
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