CN110179508B - Minimally invasive laparoscopic retractor - Google Patents
Minimally invasive laparoscopic retractor Download PDFInfo
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- CN110179508B CN110179508B CN201910420216.6A CN201910420216A CN110179508B CN 110179508 B CN110179508 B CN 110179508B CN 201910420216 A CN201910420216 A CN 201910420216A CN 110179508 B CN110179508 B CN 110179508B
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- 206010033675 panniculitis Diseases 0.000 claims abstract description 72
- 210000004304 subcutaneous tissue Anatomy 0.000 claims abstract description 72
- 238000003825 pressing Methods 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract description 25
- 230000006378 damage Effects 0.000 abstract description 16
- 238000000034 method Methods 0.000 description 23
- 208000027418 Wounds and injury Diseases 0.000 description 20
- 239000004020 conductor Substances 0.000 description 18
- 206010052428 Wound Diseases 0.000 description 12
- 208000014674 injury Diseases 0.000 description 8
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 230000002035 prolonged effect Effects 0.000 description 5
- 239000002504 physiological saline solution Substances 0.000 description 4
- 210000001835 viscera Anatomy 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000035876 healing Effects 0.000 description 3
- 208000015181 infectious disease Diseases 0.000 description 3
- 230000003902 lesion Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 230000003187 abdominal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 238000002357 laparoscopic surgery Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000012549 training Methods 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
- A61B17/02—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors
- A61B17/0218—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0233—Enemata; Irrigators characterised by liquid supply means, e.g. from pressurised reservoirs
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Surgical Instruments (AREA)
Abstract
本发明属于医疗用具技术领域，具体的说是一种微创性腹腔镜牵开器，包括套环、导通器、撑管和移动管；所述导通器由多根导通杆和一个导通环组成；所述撑管由多个撑杆和一个撑环组成；所述撑杆下端均固连有橡胶块；所述橡胶块内开设有空腔；所述空腔内固连有两块弧形弹片；所述移动管表面开设有与滑杆一一对应设置的第三凹槽；所述第三凹槽连通第二导槽，且第三凹槽内滑动连接有顶块，顶块通过均匀布置的弹簧固连于第二导槽内壁；本发明可有效防止手术过程中开口闭合，对手术造成影响，降低了手术过程中医疗器械对皮下组织造成二次伤害的概率，同时可更加快捷方便的使用生理盐水清洗患者伤口。
The invention belongs to the technical field of medical appliances, in particular to a minimally invasive laparoscopic retractor, comprising a collar, a guide, a support tube and a moving tube; the guide is composed of a plurality of guide rods and a The support tube is composed of a plurality of support rods and a support ring; the lower ends of the support rods are fixedly connected with rubber blocks; the rubber blocks are provided with a cavity; Two arc-shaped shrapnel; the surface of the moving tube is provided with a third groove corresponding to the sliding rod; the third groove communicates with the second guide groove, and a top block is slidably connected in the third groove, The top block is fixedly connected to the inner wall of the second guide groove by evenly arranged springs; the present invention can effectively prevent the opening from closing during the operation, which will affect the operation, and reduce the probability of secondary damage to the subcutaneous tissue caused by the medical instrument during the operation. It is quicker and more convenient to use normal saline to clean the wound of the patient.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to a minimally invasive laparoscopic retractor.
Background
Retractors are used to retract tissue, expose the surgical field, facilitate exploration and manipulation, and laparoscopic surgery, also known as minimally invasive surgery, is becoming an increasingly popular surgical procedure. The number of surgeons graduating each year with advanced minimally invasive training continues to increase, which means that the number of minimally invasive abdominal cases will also increase.
The retractor is indispensable to use during abdominal cavity operation, is used for retracting skin and subcutaneous tissue, makes internal organ expose in doctor's field of vision, facilitates the operation and goes on.
The prior art retractors are mainly classified into two types, a hand-held retractor and an automatic retractor. The method has specifications of various shapes and sizes, can select proper drag hooks according to operation requirements, needs a doctor to cut the skin and subcutaneous tissues of a patient to an organ during the use of the drag hook, or adjusts the drag hook after cutting to adapt to the current opening depth, the drag hook is too complex during the adjustment process, the subcutaneous tissues need to be loosened during the adjustment process to be pulled again, the subcutaneous tissues of the patient are easy to be pulled if the pulling degrees are different, meanwhile, when the drag hook is pulled again, because the elasticity of the subcutaneous tissues is recovered, the subcutaneous tissues are easy to be folded if the time is not accurate, the drag hook needs to be pulled again, the subcutaneous tissues are easy to be damaged during the continuous pulling and folding processes, the pulling and dismounting times are more, the operation time is greatly prolonged, the fixed rods above the drag hooks influence the visual field of the naked eyes of the doctor, and when normal saline is injected during the operation process, often because the drag hook influences doctor's sight, make the doctor take out behind the scalpel, wash again, prolonged the operation time.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problems that the operation is too complicated when the retractor is used, the subcutaneous tissue is damaged for many times due to repeated retraction, the operation time is prolonged seriously in the repeated operation process of the retractor, and the physiological saline cannot be injected more conveniently and rapidly, the minimally invasive laparoscopic retractor provided by the invention is used for solving the problems that the retractor is used for a long time, and the operation time is prolonged seriously.
The technical scheme adopted by the invention for solving the technical problems is as follows: the minimally invasive laparoscopic retractor comprises a lantern ring, a guider, a supporting pipe and a moving pipe, wherein the lantern ring is fixedly connected with the guider; a first groove in annular design is formed in the lantern ring; the conduction device consists of a plurality of conduction rods and a conduction ring; the conducting ring can be placed in the first groove; the conduction rods are uniformly and fixedly connected to the surface of the inner ring of the conduction ring, and the length of the conduction device can be set according to the depth of an operation opening; the stay tube consists of a plurality of stay bars and a stay ring; the circumference of each support rod is fixedly connected to the surface of the outer ring of the support ring, the surfaces of the support rods are arranged in an arc shape, the connecting lines of the outer surfaces of all the support rods are circular, the circular radius is equal to the inner diameter of the conduction ring, the number of the conduction rods is equal to that of the support rods, and the number of the support rods is at least eight; the support tube can be put into the conduction device, so that the conduction rod and the support rod form a circular tube; the lower ends of the support rods are fixedly connected with rubber blocks; the rubber blocks are designed in an arc shape, the rubber blocks can form an arc-shaped package initially through the plurality of rubber blocks, the rubber blocks are only contacted at the lower end point, and meanwhile, a round hole can be formed after the lower ends of the rubber blocks are contacted, so that a doctor can conveniently cut subcutaneous tissues by using a scalpel; the movable pipe can be placed in the supporting pipe; when the device works, a doctor cuts an opening on the body of a patient through a scalpel, the lantern ring is arranged in the opening, the subcutaneous tissue is continuously cut through the scalpel, the guider is arranged in the lantern ring, the support tube is inserted into the guider, the lower end of the rubber block is positioned at the deepest opening, the moving tube is inserted into the support tube, the lower end of the moving tube is contacted with the surface of the rubber block, the scalpel stretches into the moving tube to continuously cut the subcutaneous tissue, the moving tube is pressed to move downwards to open the rubber block after a cut is made, the doctor continuously cuts the subcutaneous tissue downwards through the scalpel in the process of opening the rubber block, the guider is pressed downwards after the rubber block is completely opened, the guider is moved to the lower end of the rubber block, the moving tube is pulled upwards to recover the rubber block, the doctor cuts the subcutaneous tissue again through the scalpel, the support tube is pressed to make the lower end of the rubber block contact with the opening, press and remove the pipe, with this repetitive operation, after incising completely to subcutaneous tissue, make the switch-on ware extend to internal organ, form a passageway through the switch-on ware, supply the doctor to carry out the operation, the switch-on ware stretches into the back, can take out stay tube and removal pipe, for the doctor provides wideer field of vision, make things convenient for the doctor to perform the operation, opening through the switch-on ware formation, can effectively prevent operation in-process opening closure, cause the influence to the operation, the switch-on ware is vertical downwards simultaneously, can form the opening of shortest distance, accelerate the operation speed, thereby reduce patient's danger degree, can prevent to pull out the in-process at the retractor simultaneously, subcutaneous tissue's elasticity healing, need cut once more, to same position repeated incision when preventing the operation incision, cause secondary injury to the patient.
Preferably, a cavity is formed in the rubber block; two arc-shaped elastic sheets are fixedly connected in the cavity; the arc-shaped elastic sheets are symmetrically arranged, and gaps are formed among the arc-shaped elastic sheets; a first guide groove is formed in each support rod, feed inlets communicated with the first guide grooves are formed in the tops of the support rods, and the first guide grooves are communicated with gaps among the arc-shaped elastic pieces; the arc-shaped elastic sheet is composed of a plurality of metal sheets, the lengths of the metal sheets are sequentially reduced from top to bottom, and the distances between one end of the metal sheet close to the outer surface of the rubber block and the outer surface of the rubber block are sequentially reduced, so that the wall thickness of the rubber block is sequentially reduced from top to bottom; when in work, the rubber block is downwards moved and spread by the moving pipe, the arc-shaped elastic sheet is opened, because of the arc shape of the arc-shaped elastic sheet, when the rubber block is opened, a bulge is formed on one side of the rubber block contacting skin and flesh, so that the opening range of subcutaneous tissues is larger than the outer diameter of the conduction device, thereby facilitating the downward movement of the conductor and simultaneously preventing the injury to subcutaneous tissues when the conductor moves downward, and simultaneously when the rubber sheet is opened, normal saline is injected through the feed inlet, and enters the gaps between the arc-shaped elastic sheets, so that the arc-shaped elastic sheets move back to back, the rubber block is pulled, because the wall thickness of the rubber block is gradually decreased from top to bottom, the contact area between the rubber block and subcutaneous tissues is increased, therefore, the expansion area of the subcutaneous tissue is enlarged, the downward movement of the conduction device is smoother by matching with the protrusion of the rubber block, and the subcutaneous tissue is prevented from being extruded when the conduction device moves downward to cause secondary damage to the subcutaneous tissue.
Preferably, a second groove is formed in the surface of the support rod, and a slide rod is connected in the second groove in a sliding manner; a second guide groove is formed in the movable pipe, and a liquid filling opening communicated with the second guide groove is formed in the top of the movable pipe; the surface of the moving pipe is provided with third grooves which are arranged in one-to-one correspondence with the sliding rods; the third groove is communicated with the second guide groove, a top block is connected in the third groove in a sliding mode, and the top block is fixedly connected to the inner wall of the second guide groove through uniformly arranged springs; during operation, after the rubber block is completely supported, normal saline is added into the second guide groove through the liquid adding port, so that the top block extrudes subcutaneous tissues, the subcutaneous tissues are separated from the switch-on device and then move down the switch-on device, the switch-on device is not contacted with the subcutaneous tissues through the top block matched with the rubber block, and the switch-on device is moved down, so that the damage to the subcutaneous tissues caused by friction between the switch-on device and the subcutaneous tissues in the moving down process is effectively avoided.
Preferably, the lower surface of the moving pipe is fixedly connected with rollers which correspond to the jacking blocks one by one, one side of each roller, which is close to the jacking block, is positioned on the same vertical line with the outer surface of the moving pipe, and when the moving pipe is inserted into the supporting pipe, the rollers preferentially contact the surface of the rubber block; during operation, the moving pipe moves down the in-process, and the gyro wheel at first contacts the block rubber, has effectively reduced the frictional force who moves pipe and block rubber through the gyro wheel to prevent to move pipe and move down in-process pulling block rubber, prevent that the block rubber from driving to prop the pipe and move down, pull the subcutaneous tissue, can reduce the frictional force that receives when moving the pipe simultaneously through the gyro wheel and move the pipe, make the doctor more laborsaving press and move the pipe.
Preferably, first through holes which are uniformly distributed are formed in the rubber block at the gaps among the arc-shaped elastic sheets, and the first through holes are communicated with the gaps among the arc-shaped elastic sheets and the outside of the rubber block; the surface of the rubber block is provided with a T-shaped pressing block; the pressing block is inserted into a gap between the arc-shaped elastic sheets, and a moving plate is fixedly connected in the gap; the surface of the moving plate is provided with a second through hole, the second through hole and the first through hole are arranged in a staggered mode, springs which are uniformly arranged are fixedly connected between the pressing block and the rubber block, and the moving plate is arranged to cling to the inner wall of the cavity at the beginning so that the first through hole and the second through hole are sealed; the during operation, in the process of the subcutaneous tissue of doctor cutting, for preventing the infection of subcutaneous tissue wound, the accessible uses the scalpel to press down the pressure piece, thereby make the pressure piece be close to the rubber block, make the movable plate leave the cavity inner wall, thereby make the normal saline between the arc shell fragment flow through first through-hole and second through-hole, wash the wound, doctor's accessible scalpel presses down the velocity of flow of the degree of depth control normal saline of pressure piece, the time of pressing the pressure piece is pressed to the accessible, the flow of control normal saline, thereby prevent that the too much sight that influences the doctor of normal saline, normal saline is too few can't play good cleaning performance to the wound, cause the influence to the patient wound.
Preferably, the surface of the rubber block is fixedly connected with a camera, the camera is positioned three to five millimeters above the contact points of the rubber blocks after the rubber blocks are contacted with each other, the camera is electrically connected with an external display, and the camera is subjected to waterproof treatment; when the device works, when the supporting tube is inserted, a doctor can judge the insertion depth of the supporting tube through the information collected by the camera, so that the lower end of the rubber block reaches the optimal position, the damage to subcutaneous tissues caused by the too deep insertion of the supporting tube is effectively prevented, the insertion is too shallow, the operation time is prolonged, and adverse effects are caused to a patient, meanwhile, after the supporting tube is inserted, when the rubber block is not opened, the doctor can shoot by the camera to select a proper cutting point, so that the injury to the subcutaneous tissues of the patient caused by blind repeated cutting is avoided, and simultaneously, after the rubber block is opened, the moving distance of the moving rod can be observed by the camera, so that the opening degree of the rubber block is judged, when the rubber block is not completely opened, the conducting device is moved downwards, the conducting device can generate friction with the subcutaneous tissues, the most subcutaneous tissues cause secondary damage, meanwhile, when the operation opening is completely opened, the supporting, assisting doctors to find the lesion point and performing the operation, and accelerating the operation speed.
The invention has the following beneficial effects:
1. according to the minimally invasive laparoscopic retractor, the rubber block, the conduction device, the supporting tube and the moving tube are arranged, the conduction device, the supporting tube and the moving tube are moved to be matched with the opening of the scalpel sliding block of a doctor, so that the opening can be effectively prevented from being closed in the operation process and influencing the operation, meanwhile, the conduction device is vertically downward, the opening with the shortest distance can be formed, the operation speed is accelerated, the danger degree of a patient is reduced, the elastic healing of subcutaneous tissues can be prevented in the retractor retracting process, the incision needs to be cut again, the repeated incision at the same position in the operation incision is prevented, the secondary injury is caused to the patient, and meanwhile, a clearer visual field is provided for the doctor.
2. According to the minimally invasive laparoscopic retractor, the arc-shaped elastic sheet and the sliding rod are arranged, the arc-shaped elastic sheet is opened through the injection of the normal saline, the protrusion of the rubber block is matched, and the pushing block extends out after the normal saline is injected, so that the connector does not contact subcutaneous tissues, the connector moves downwards more smoothly, and the subcutaneous tissues are prevented from being extruded when the connector moves downwards to cause secondary injury to the subcutaneous tissues.
3. The minimally invasive laparoscopic retractor is provided with the pressing block and the moving plate; use the scalpel to press according to the piece through the doctor, the control is pressed according to the velocity of flow of the degree of depth control normal saline of piece, and the accessible is pressed according to the time of pressing the piece, the flow of control normal saline to prevent that normal saline from too much influencing doctor's sight, normal saline is too few can't play good cleaning performance to the wound, causes the influence to the patient wound, and the convenient use normal saline washs patient's wound more swiftly for operation time.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of a collar of the present invention;
fig. 2 is a perspective view of the conductor of the present invention;
FIG. 3 is a perspective view of the stay tube of the present invention;
FIG. 4 is a perspective view of the moving tube of the present invention;
FIG. 5 is a perspective view of the stent of the present invention after being placed in the introducer;
FIG. 6 is a cross-sectional view of a moving tube of the present invention;
FIG. 7 is a cross-sectional view of a rubber block of the present invention;
FIG. 8 is a cross-sectional view A-A of FIG. 7;
in the figure: the device comprises a lantern ring 1, a first groove 11, a guider 2, a guiding rod 21, a guiding ring 22, a supporting tube 3, a supporting rod 31, a supporting ring 32, a rubber block 33, a cavity 34, an arc-shaped elastic sheet 35, a feeding hole 36, a moving tube 4, a third groove 41, a second guide groove 42, a liquid adding opening 43, a top block 44, a roller 45, a first through hole 5, a pressing block 51, a moving plate 52, a second through hole 53 and a camera 54.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 8, the minimally invasive laparoscopic retractor according to the present invention comprises a collar 1, a conductor 2, a stay tube 3 and a moving tube 4; a first groove 11 with an annular design is formed in the lantern ring 1; the conducting device 2 consists of a plurality of conducting rods 21 and a conducting ring 22; the conducting ring 22 can be placed in the first groove 11; the conducting rods 21 are uniformly and fixedly connected to the inner ring surface of the conducting ring 22, and the length of the conducting device 2 can be set according to the depth of an operation opening; the stay tube 3 consists of a plurality of stay bars 31 and a stay ring 32; the circumference of the stay bar 31 is fixedly connected to the outer ring surface of the stay ring 32, the surface of the stay bar 31 is arranged in an arc shape, the outer surface connecting lines of all the stay bars 31 are circular, the circular radius is equal to the inner diameter of the conducting ring 22, the number of the conducting bars 21 is equal to that of the stay bars 31, and the minimum number is eight; the support tube 3 can be put into the conduction device 2, so that the conduction rod 21 and the support rod 31 form a circular tube; the lower ends of the support rods 31 are fixedly connected with rubber blocks 33; the rubber blocks 33 are designed in an arc shape, the rubber blocks 33 can form an arc-shaped package initially, the rubber blocks 33 are only contacted at the lower end point, and meanwhile, a round hole can be formed after the lower end of the rubber blocks 33 is contacted, so that a doctor can conveniently cut subcutaneous tissues by using a scalpel; the moving pipe 4 can be placed in the stay pipe 3; when the device works, a doctor cuts an opening on the body of a patient through a scalpel, the lantern ring 1 is arranged in the opening, subcutaneous tissues are continuously cut through the scalpel, the conductor 2 is arranged in the lantern ring 1, the stay tube 3 is inserted into the conductor 2, the lower end of the rubber block 33 is positioned at the deepest opening, the moving tube 4 is inserted into the stay tube 3, the lower end of the moving tube 4 is in contact with the surface of the rubber block 33, the scalpel extends into the moving tube 4 to continuously cut the subcutaneous tissues, the moving tube 4 is pressed after a cut is cut, the moving tube 4 is downwards moved to cause the rubber block 33 to be cut, the doctor continuously cuts the subcutaneous tissues downwards through the scalpel in the process of cutting the rubber block 33, the conductor 2 is pressed downwards to move to the position of the lower end of the rubber block 33 after the rubber block 33 is completely cut, the moving tube 4 is pulled upwards to recover the rubber block 33, and the doctor cuts the subcutaneous tissues again through the scalpel, pressing stay tube 3, make the contact of block rubber 33 lower extreme to the opening, press and remove pipe 4, with this repetitive operation, after subcutaneous tissue cuts completely, make switch-on ware 2 extend to internal organ, form a passageway through switch-on ware 2, supply the doctor to carry out the operation, switch-on ware 2 stretches into the back, can take out stay tube 3 and remove pipe 4, provide wideer field of vision for the doctor, make things convenient for the doctor to perform the operation, through the opening that switch-on ware 2 formed, can effectively prevent operation in-process opening closure, cause the influence to the operation, switch-on ware 2 is vertical downwards simultaneously, can form the opening of shortest distance, accelerate the operation speed, thereby draw out the dangerous degree that reduces the patient, simultaneously can prevent at the retractor in-process, subcutaneous tissue's elasticity healing, need cut once more, to same position repeated incision when preventing the operation incision, cause the secondary injury to the patient.
As an embodiment of the present invention, a cavity 34 is formed in the rubber block 33; two arc-shaped elastic sheets 35 are fixedly connected in the cavity 34; the arc-shaped elastic pieces 35 are symmetrically arranged, and gaps are formed among the arc-shaped elastic pieces 35; a first guide groove is formed in the support rod 31, feed inlets 36 communicated with the first guide groove are formed in the top of the support rod 31, and the first guide groove is communicated with gaps among the arc-shaped elastic pieces 35; the arc-shaped elastic sheet 35 is composed of a plurality of metal sheets, the lengths of the metal sheets are sequentially reduced from top to bottom, and the distances between one end of each metal sheet close to the outer surface of the rubber block 33 and the outer surface of the rubber block 33 are sequentially reduced, so that the wall thickness of the rubber block 33 is sequentially reduced from top to bottom; when the device works, when the rubber block 33 is moved downwards and propped open by the moving tube 4, the arc-shaped elastic sheet 35 is opened, because of the arc shape of the arc-shaped elastic sheet 35, when the rubber block 33 is opened, one side of the rubber block 33 contacting skin and flesh can form a protrusion, so that the propping range of subcutaneous tissues is larger than the outer diameter of the conductor 2, the conductor 2 is convenient to move downwards, meanwhile, the subcutaneous tissues are prevented from being damaged when the conductor 2 moves downwards, and simultaneously, when the rubber sheet is opened, the physiological saline is injected through the feed inlet 36, so that the physiological saline enters the gap between the arc-shaped elastic sheets 35, the arc-shaped elastic sheet 35 moves back and forth, the rubber block 33 is pulled, because the wall thickness of the rubber block 33 is gradually reduced from top to bottom, the contact area between the rubber block 33 and the subcutaneous tissues is increased, the expansion area of the subcutaneous tissues is increased, the conductor 2 moves downwards more smoothly by matching, causing further damage to the subcutaneous tissue.
As an embodiment of the present invention, a second groove is formed on the surface of the brace 31, and a slide bar is slidably connected in the second groove; a second guide groove 42 is formed in the movable pipe 4, and a liquid filling opening 43 communicated with the second guide groove 42 is formed in the top of the movable pipe 4; the surface of the moving pipe 4 is provided with third grooves 41 which are arranged corresponding to the slide bars one by one; the third groove 41 is communicated with the second guide groove 42, the third groove 41 is internally connected with a top block 44 in a sliding manner, and the top block 44 is fixedly connected to the inner wall of the second guide groove 42 through uniformly arranged springs; during operation, after rubber block 33 struts completely, at first add normal saline through filler opening 43 in to second guide slot 42 to make kicking block 44 extrude subcutaneous tissue, make subcutaneous tissue break away from behind switch-on device 2, move down switch-on device 2 again, through kicking block 44 cooperation rubber block 33, make switch-on device 2 contactless subcutaneous tissue, move down switch-on device 2, effectively avoided switch-on device 2 to move down the in-process and produce the friction with subcutaneous tissue, cause the injury to subcutaneous tissue.
As an embodiment of the present invention, the lower surface of the moving tube 4 is fixedly connected with rollers 45 corresponding to the top blocks 44 one by one, one side of the roller 45 close to the top block 44 and the outer surface of the moving tube 4 are on the same vertical line, and when the moving tube 4 is inserted into the supporting tube 3, the roller 45 preferentially contacts the surface of the rubber block 33; during operation, the moving pipe 4 moves down the in-process, and the roller 45 at first contacts the rubber block 33, has effectively reduced the frictional force that moves pipe 4 and rubber block 33 through the roller 45 to prevent to move pipe 4 and move down in-process pulling rubber block 33, prevent that the rubber block 33 from driving and prop pipe 3 and move down, strain subcutaneous tissue, can reduce the frictional force that receives when moving pipe 4 moves down simultaneously through the roller 45, make the more laborsaving pressing of doctor move pipe 4.
As an embodiment of the invention, the rubber block 33 is provided with first through holes 5 uniformly arranged in the gaps between the arc-shaped elastic pieces 35, and the first through holes 5 are communicated with the gaps between the arc-shaped elastic pieces 35 and the outside of the rubber block 33; the surface of the rubber block 33 is provided with a T-shaped pressing block 51; the pressing block 51 is inserted into the gap between the arc-shaped elastic sheets 35, and a moving plate 52 is fixedly connected in the gap; the surface of the moving plate 52 is provided with a second through hole 53, the second through hole 53 and the first through hole 5 are arranged in a staggered manner, uniformly arranged springs are fixedly connected between the pressing block 51 and the rubber block 33, and the moving plate 52 is arranged to be clung to the inner wall of the cavity 34 at the beginning to seal the first through hole 5 and the second through hole 53; the during operation, when the doctor cuts the subcutaneous tissue in-process, for preventing the infection of subcutaneous tissue wound, the accessible uses the scalpel to press and presses down pressure block 51, thereby make and press down pressure block 51 and be close to rubber block 33, make movable plate 52 leave cavity 34 inner wall, thereby make the normal saline between the arc shell fragment 35 flow out through first through-hole 5 and second through-hole 53, wash the wound, doctor's accessible scalpel presses down the velocity of flow of the degree of depth control normal saline of pressing down pressure block 51, the accessible presses down the time of pressing down pressure block 51, the flow of control normal saline, thereby prevent that normal saline from too much influencing doctor's sight, normal saline is too few can't play good cleaning performance to the wound, cause the influence to patient's wound.
As an embodiment of the present invention, a camera 54 is fixedly connected to the surface of the rubber block 33, the camera 54 is located three to five millimeters above a contact point of the rubber blocks 33 after contacting each other, the camera 54 is electrically connected to an external display, and the camera 54 is subjected to waterproof treatment; when the device works, when the supporting tube 3 is inserted, a doctor can judge the insertion depth of the supporting tube 3 through the information collected by the camera 54, so that the lower end of the rubber block 33 reaches the optimal position, the damage to subcutaneous tissues caused by the too-deep insertion of the supporting tube 3 is effectively prevented, the too-shallow insertion prolongs the operation time, and the adverse effect is caused to a patient, meanwhile, after the supporting tube 3 is inserted, when the rubber block 33 is not opened, the doctor can shoot and select a proper cutting point through the camera 54, so as to avoid the injury to the subcutaneous tissues of the patient caused by blind repeated cutting, meanwhile, after the rubber block 33 is opened, the downward moving distance of the moving rod can be observed through the camera 54, so as to judge the opening degree of the rubber block 33, and prevent the conduction device 2 from moving downwards when the rubber block 33 is not completely opened, the conduction device 2 can generate friction with the subcutaneous tissues, the most subcutaneous tissues cause secondary damage, and meanwhile, after the operation, the operation condition can be observed through the camera 54, so that doctors are assisted to find the lesion points to perform the operation, and the operation speed is accelerated.
When the device works, a doctor cuts an opening on the body of a patient through a scalpel, the lantern ring 1 is arranged in the opening, subcutaneous tissues are continuously cut through the scalpel, the conductor 2 is arranged in the lantern ring 1, the stay tube 3 is inserted into the conductor 2, the lower end of the rubber block 33 is positioned at the deepest opening, the moving tube 4 is inserted into the stay tube 3, the lower end of the moving tube 4 is in contact with the surface of the rubber block 33, the scalpel extends into the moving tube 4 to continuously cut the subcutaneous tissues, the moving tube 4 is pressed after a cut is cut, the moving tube 4 is downwards moved to cause the rubber block 33 to be cut, the doctor continuously cuts the subcutaneous tissues downwards through the scalpel in the process of cutting the rubber block 33, the conductor 2 is pressed downwards to move to the position of the lower end of the rubber block 33 after the rubber block 33 is completely cut, the moving tube 4 is pulled upwards to recover the rubber block 33, and the doctor cuts the subcutaneous tissues again through the scalpel, pressing the supporting tube 3 to make the lower end of the rubber block 33 contact the opening, pressing the moving tube 4, repeating the operation until the subcutaneous tissue is completely cut, extending the conductor 2 to the internal organ, forming a channel through the conductor 2 for the doctor to perform the operation, when the rubber block 33 is moved downwards and supported by the moving tube 4, opening the arc-shaped elastic sheet 35, when the rubber sheet is opened, injecting normal saline through the feed inlet 36 to make the normal saline enter the gap between the arc-shaped elastic sheets 35, moving the arc-shaped elastic sheets 35 back and forth, thereby pulling the rubber block 33, after the rubber block 33 is completely supported, adding normal saline into the second guide groove 42 through the liquid filling port 43, thereby making the top block 44 press the subcutaneous tissue, after the subcutaneous tissue is separated from the conductor 2, then moving the conductor 2 downwards, during the moving tube 4 moves downwards, the roller 45 firstly contacts the rubber block 33, when the doctor cuts the subcutaneous tissue, in order to prevent infection of subcutaneous tissue wounds, the pressing block 51 can be pressed by using a scalpel, so that the pressing block 51 is close to the rubber block 33, the moving plate 52 is separated from the inner wall of the cavity 34, and physiological saline between the arc-shaped elastic sheets 35 flows out through the first through hole 5 and the second through hole 53, when the supporting tube 3 is inserted, the insertion depth of the supporting tube 3 can be judged by information collected by a doctor through the camera 54, after the supporting tube 3 is inserted, when the rubber block 33 is not opened, the doctor can shoot and select a proper cutting point through the camera 54, and after the rubber block 33 is opened, the downward moving distance of the moving rod can be observed through the camera 54, when the operation opening is completely opened, the supporting tube 3 can not be pulled out, the operation condition can be observed through the camera 54, and the doctor is assisted to find a lesion point.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A minimally invasive laparoscopic retractor, comprising: comprises a lantern ring (1), a conduction device (2), a stay tube (3) and a movable tube (4); a first groove (11) with an annular design is formed in the lantern ring (1); the conduction device (2) consists of a plurality of conduction rods (21) and a conduction ring (22); the conducting ring (22) can be placed in the first groove (11); the conducting rods (21) are uniformly and fixedly connected to the inner ring surface of the conducting ring (22), and the length of the conducting device (2) can be set according to the depth of an operation opening; the stay tube (3) consists of a plurality of stay bars (31) and a stay ring (32); the circumference of each support rod (31) is fixedly connected to the surface of the outer ring of each support ring (32), the surfaces of the support rods (31) are arranged in an arc shape, the outer surface connecting lines of all the support rods (31) are circular, the circular radius is equal to the inner diameter of each conducting ring (22), the number of the conducting rods (21) is equal to that of the support rods (31), and the number of the conducting rods (31) is at least eight; the support tube (3) can be placed in the conduction device (2) to enable the conduction rod (21) and the support rod (31) to form a circular tube; the lower ends of the support rods (31) are fixedly connected with rubber blocks (33); the rubber blocks (33) are designed in an arc shape, arc-shaped packages can be formed through the plurality of rubber blocks (33) initially, the rubber blocks (33) are only contacted at the lower end point, and meanwhile, round holes can be formed after the lower ends of the rubber blocks (33) are contacted, so that a doctor can conveniently cut subcutaneous tissues by using a scalpel; the moving pipe (4) can be placed in the stay pipe (3).
2. The minimally invasive laparoscopic retractor according to claim 1, wherein: a cavity (34) is formed in the rubber block (33); two arc-shaped elastic sheets (35) are fixedly connected in the cavity (34); the arc-shaped elastic sheets (35) are symmetrically arranged, and gaps are formed among the arc-shaped elastic sheets (35); a first guide groove is formed in each support rod (31), feed inlets (36) communicated with the first guide grooves are formed in the tops of the support rods (31), and the first guide grooves are communicated with gaps among the arc-shaped elastic sheets (35); the arc-shaped elastic sheet (35) is composed of a plurality of metal sheets, the length of each metal sheet is gradually reduced from top to bottom, the distance between one end, close to the outer surface of the rubber block (33), of each metal sheet and the outer surface of the rubber block (33) is gradually reduced, and the wall thickness of the rubber block (33) is gradually reduced from top to bottom.
3. The minimally invasive laparoscopic retractor according to claim 2, wherein: a second groove is formed in the surface of the support rod (31), and a slide rod is connected in the second groove in a sliding manner; a second guide groove (42) is formed in the movable pipe (4), and a liquid filling opening (43) communicated with the second guide groove (42) is formed in the top of the movable pipe (4); the surface of the moving pipe (4) is provided with third grooves (41) which are arranged corresponding to the sliding rods one by one; the third groove (41) is communicated with the second guide groove (42), an ejector block (44) is connected in the third groove (41) in a sliding mode, and the ejector block (44) is fixedly connected to the inner wall of the second guide groove (42) through uniformly arranged springs.
4. The minimally invasive laparoscopic retractor according to claim 3, wherein: the lower surface of the moving pipe (4) is fixedly connected with rollers (45) which correspond to the jacking blocks (44) one by one, one side of each roller (45) close to the jacking block (44) and the outer surface of the moving pipe (4) are located on the same vertical line, and when the moving pipe (4) is inserted into the supporting pipe (3), the rollers (45) preferentially contact with the surface of the rubber block (33).
5. The minimally invasive laparoscopic retractor according to claim 2, wherein: the rubber block (33) is provided with first through holes (5) which are uniformly distributed in the gaps between the arc-shaped elastic sheets (35), and the first through holes (5) are communicated with the gaps between the arc-shaped elastic sheets (35) and the outside of the rubber block (33); the surface of the rubber block (33) is provided with a T-shaped pressing block (51); the pressing block (51) is inserted into a gap between the arc-shaped elastic sheets (35), and a moving plate (52) is fixedly connected in the gap; the surface of the moving plate (52) is provided with a second through hole (53), the second through hole (53) and the first through hole (5) are arranged in a staggered mode, springs which are uniformly arranged are fixedly connected between the pressing block (51) and the rubber block (33), and the moving plate (52) is arranged to be attached to the inner wall of the cavity (34) at the beginning to enable the first through hole (5) and the second through hole (53) to be sealed.
6. The minimally invasive laparoscopic retractor according to claim 5, wherein: the surface of the rubber block (33) is fixedly connected with a camera (54), the camera (54) is positioned at three to five millimeters above a contact point after the rubber block (33) is contacted with each other, the camera (54) is electrically connected with an external display, and the camera (54) is subjected to waterproof treatment.
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| CN201910420216.6A CN110179508B (en) | 2019-05-20 | 2019-05-20 | Minimally invasive laparoscopic retractor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910420216.6A CN110179508B (en) | 2019-05-20 | 2019-05-20 | Minimally invasive laparoscopic retractor |
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| CN110179508A CN110179508A (en) | 2019-08-30 |
| CN110179508B true CN110179508B (en) | 2020-05-22 |
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| CN111803152B (en) * | 2020-07-14 | 2022-09-23 | 无锡市第九人民医院 | Surgical annular minimally invasive retractor |
| CN111904599A (en) * | 2020-09-18 | 2020-11-10 | 象山县第一人民医院医疗健康集团 | Mechanical arm for thoracoscope |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20070100366A1 (en) * | 2005-10-28 | 2007-05-03 | Sara Dziedzic | Minimally invasive tissue expander systems and methods |
| US8357085B2 (en) * | 2009-03-31 | 2013-01-22 | Ethicon Endo-Surgery, Inc. | Devices and methods for providing access into a body cavity |
| US9566055B2 (en) * | 2014-06-23 | 2017-02-14 | Kyphon SÀRL | Cannula with deployable anchor wire and methods of use |
| CN109009275A (en) * | 2018-08-22 | 2018-12-18 | 张祥东 | A kind of liver and gall surgical department's auxiliary operation acting device |
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Effective date of registration: 20201217 Address after: 050000 No. 215 Heping West Road, Hebei, Shijiazhuang Patentee after: THE SECOND HOSPITAL OF HEBEI MEDICAL University Address before: 050004 NO.201, unit 2, building 21, No.223, Heping West Road, Xinhua District, Shijiazhuang City, Hebei Province Patentee before: Lin Lin Patentee before: Hao Yinghao Patentee before: Qin Xiaoning |
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