WO2017101187A1 - Dispositif de perforation pouvant être fixé destiné à un laparoscope - Google Patents

Dispositif de perforation pouvant être fixé destiné à un laparoscope Download PDF

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Publication number
WO2017101187A1
WO2017101187A1 PCT/CN2016/070713 CN2016070713W WO2017101187A1 WO 2017101187 A1 WO2017101187 A1 WO 2017101187A1 CN 2016070713 W CN2016070713 W CN 2016070713W WO 2017101187 A1 WO2017101187 A1 WO 2017101187A1
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WIPO (PCT)
Prior art keywords
tube
sheath
connecting structure
fixed
valve
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PCT/CN2016/070713
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English (en)
Chinese (zh)
Inventor
陈勇
苟欣
何卫阳
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陈勇
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201521063682.7U external-priority patent/CN205286423U/zh
Priority claimed from CN201510953394.7A external-priority patent/CN105380684A/zh
Application filed by 陈勇 filed Critical 陈勇
Publication of WO2017101187A1 publication Critical patent/WO2017101187A1/fr

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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
    • A61B17/34—Trocars; Puncturing needles

Definitions

  • the invention belongs to the field of medical instruments, and in particular relates to a fixable laparoscopic puncturing device.
  • Laparoscopic surgery is currently the most widely used minimally invasive surgical procedure.
  • the laparoscopic puncture device is used to pierce the body wall (chest, abdomen, waist, etc.) through the skin, and the front end of the sheath tube of the puncture device is placed in the body cavity such as the abdominal cavity, the thoracic cavity or the posterior abdominal cavity, and then the channel in the sheath tube is pierced.
  • the surgical instrument is placed to perform a corresponding surgical operation on the tissue and organs in the body cavity.
  • the laparoscopic puncture device is a device that must be used in this operation.
  • the existing laparoscopic puncture sheath has no effective fixation device after penetrating into the body cavity, and the puncture sheath tube often appears to be out of the body and deep into the body during the operation.
  • the penetrator sheath is placed too deep and there is a risk of damage to the organ, which may cause the ocular endoscope field to be blocked and make the operation of the surgical instrument difficult.
  • all kinds of forceps, clips, ultrasonic cutter heads and needle holders cannot be opened; the puncture sheath Frequent prolapse causes the surgeon to have to repeatedly puncture the cannula, which seriously affects the progress and quality of the operation and aggravates the patient's trauma.
  • the body cavity is filled with carbon dioxide gas, so that the body cavity is expanded to facilitate the operation of the surgical instrument. Since there is a large gap between the currently used puncture sheath and the body wall puncture channel, this easily causes gas leakage in the cavity. A large amount of gas leakage can cause the body cavity to collapse and collapse, which seriously interferes with the surgical operation; the spilled gas can enter the subcutaneous loose adipose tissue gap to form a wide subcutaneous emphysema, which increases the patient's pain.
  • the most commonly used puncture sheath sheath fixation method is the skin suture method, that is, the suture is tying the suture by passing the thread through the preset side hole on the wall of the puncture device after suturing the skin at the puncture site.
  • the method of sheath fixation is simple and convenient, and can effectively prevent the sheath from coming out, but it cannot solve the problem that the sheath is placed too deeply and the gas is leaking.
  • different researchers have designed a variety of puncturing device-assisted fixation structures or devices with a fixed function.
  • the CN204428128U patent issued by the Chinese Patent Office on July 1, 2015 the elastic rubber fixing plate designed by the Chinese Patent Office can be sleeved outside the sheath of the puncture device, and the elastic tightening action of the rubber material is used to fix the disc and the sheath tube relatively.
  • the skin at the bottom of the disc and the body wall is fixed by suture.
  • CN203915028U and 2015 5 announced by the Chinese Patent Office on November 5, 2014, similar to this in vitro immobilization method.
  • the relative fixing between the piercer sheath and its external fixing device is realized by bolts.
  • the design of the in vitro fixation method can prevent the penetration of the trocar sheath into the deep and/or detachment effect, but in the actual surgical operation, the lancet sheath is repeatedly subjected to the torsion and push-pull force, and the sheath tube and the outer sheath thereof
  • the fixation device still has a large risk of loosening, and the outer casing fixing device must limit the angle of rotation of the puncture sheath to a certain extent, which interferes with the operation of the surgical instrument, which is particularly significant in relatively deep and narrow body cavities such as the operation of the posterior abdominal device.
  • an air bag is arranged on the outer periphery of the front end of the puncture sheath tube.
  • the air bag in the body cavity is filled with water to fill the air bag in the body cavity. This prevents the puncture sheath from coming out and has a certain anti-leakage effect, but such an in vivo fixation method does not prevent the puncture sheath from being placed too deep.
  • an air bag is arranged at the front end, the middle part and the rear end of the puncture sheath tube body.
  • the front end air bag is located in the body cavity, and the middle air bag is located in the body wall puncture channel. Inside, the rear end airbag is positioned outside the body.
  • the fixation of the three balloons in and out of the body can make the puncture sheath securely displaceable, but the multiple balloon design of the puncture sheath significantly reduces the actual effective length of the sheath, and even makes it impossible to penetrate the body wall.
  • Body cavity, the way of fixation inside and outside the body also limits the angle of rotation of the sheath.
  • the balloon in the body cavity is too small to prevent the sheath from shifting. If it is too large, it can interfere with the surgical field of view.
  • the balloon in the middle of the sheath may also tear the body wall.
  • the present invention provides a fixable laparoscopic trocar having a good fixation effect during use.
  • a fixable laparoscopic puncturing device comprising a sheath tube, a fixing structure and a connecting structure
  • the connecting structure connects the sheath tube and the fixing structure along an axial direction of the sheath tube
  • the fixing structure can be fixed or moved on the sheath tube by the connecting structure
  • the fixing structure comprises a fixed tube, an air bag, an infusion/gas passage, and an infusion/gas valve; the fixing tube is sleeved outside the sheath tube and has a length smaller than the sheath tube; the air bag is disposed on the a front end of the fixed pipe; the one end of the liquid injection/air passage is connected to the air bag, and the other end of the liquid injection/air passage protrudes outside the pipe wall of the fixed pipe, and the port of the liquid injection/air passage is Providing a liquid/air valve, the liquid injection/air valve is provided with a rear end of the fixed pipe, and a valve port of the liquid injection/air valve protrudes outside the pipe wall of the fixed pipe; An air bag and the infusion/gas valve are in communication through the infusion/gas passage.
  • the connecting structure includes a first connecting structure and a second connecting structure.
  • the first connecting structure is disposed on an outer wall of the sheath, and the second connecting structure is disposed on an inner wall of the fixed tube.
  • connection structures namely a circular transverse thread and a continuous spiral thread
  • specific structure is as follows:
  • the connecting structure is an annular horizontal strip
  • the first connecting structure is provided with a groove along an axial direction of the sheath tube, and the length of the groove is larger than the length of the second connecting structure, the groove
  • the vertical cross section is the same as the vertical cross section of the second connecting structure, and the first connecting structure and the second connecting structure in the same vertical plane can form an approximately complete annular horizontal strip.
  • the connecting structure is a continuous spiral thread.
  • the sheath has a working length of 10 cm and an outer diameter of 5-12 mm.
  • the fixed tube has a length of 2-5 cm, a tube wall thickness of 1.5 mm, and an outer diameter of 8-15 mm.
  • the volume of the balloon is 2-20 mL.
  • the distance between the airbag and the injecting/gas valve is 0.5-4.0 cm.
  • the liquid injection/gas valve protrudes from the outer side of the tube wall of the fixed tube by a length of 1-2 cm.
  • the balloon is positioned in the subcutaneous fat layer to fix the sheath.
  • the airbag does not significantly reduce the working length of the sheath and limit its angle of rotation.
  • the airbag does not aggravate the damage of the puncture channel.
  • the designed fixed puncture device has simple structure, few operating steps and convenient use.
  • Figure 1 is a schematic view showing the structure of a fixable puncture device of the present invention
  • FIG. 2 is a schematic structural view of a sheath tube having a ring-shaped transverse stripe according to the present invention
  • Figure 3 is a partial enlarged view of C in Figure 2;
  • FIG. 4 is a schematic structural view of a fixing structure in which the connecting structure of the present invention is an annular horizontal strip;
  • Figure 5 is a cross-sectional view taken along line A-A of Figure 4.
  • Figure 6 is a schematic structural view of a sheath tube of the present invention in which the connecting structure is a continuous spiral thread;
  • Figure 7 is a schematic structural view of the fixing structure of the connecting structure of the present invention which is a continuous spiral thread
  • Figure 8 is a cross-sectional view taken along line B-B of Figure 7;
  • Figure 9 is a schematic view showing the state of use of a fixable puncture device of the present invention.
  • connection structure 31, first connection structure; 311, groove;
  • the present invention provides a fixable laparoscopic trocar comprising a sheath 1, a fixed structure 2 and a connecting structure 3 connecting the sheath 1 and the fixed structure 2, along Sheath 1 In the axial direction, the fixing structure 2 can be fixed or moved on the sheath 1 by the connecting structure;
  • the fixing structure 2 specifically includes a fixed tube 21, an air bag 22, an infusion/gas passage (omitted in the drawing), and an infusion/gas valve 23;
  • the fixing tube 21 is sleeved outside the sheath tube 1 and has a length smaller than The sheath tube 1;
  • the air bag 22 is disposed at a front end of the fixed tube 21;
  • the liquid injection/air valve 23 is provided with a rear end of the fixed tube 21, and the valve of the liquid injection/gas valve 23
  • the mouth protrudes from the outside of the tube wall of the fixed tube 21, wherein the length of the liquid injection/air valve 23 protruding from the outside of the tube wall of the fixed tube 21 is preferably 1.0 cm;
  • the liquid/gas valve 23 is communicated through the liquid injection/air passage, and the liquid injection/air passage is provided on the pipe wall of the fixed pipe 21.
  • the fixed tube 21 is movable in the axial direction of the sheath 1 toward the puncture channel, when the balloon 22 at the front end of the fixed tube 21 is placed in the subcutaneous fat layer II.
  • the movement is stopped, and both the sheath tube 1 and the fixed tube 21 are relatively fixed in position by the connecting structure 3.
  • the balloon 22 is positioned in the subcutaneous fat layer II in the body wall puncture channel, that is, between the relatively dense muscle layer III and the skin layer I of the body wall tissue.
  • the liquid/gas passage can be injected into the air bag 22 to fill it.
  • the air bag 22 is prepared by using a medical silicone rubber or a PVC material, and has a tensile strength large enough to withstand the hydraulic pressure or air pressure in the air bag 22, and the air bag 22 is not easily broken by an external force.
  • the valve port of the liquid injection/air valve 23 protrudes from the outer side of the tube wall of the fixed tube 21, and the liquid injection/air valve 23 is located outside the body when the puncturing device is used, and has the outer tube 21 prevented from being excessively penetrated.
  • the role of the channel The penetrator in use is fixed by the filled air bag 22 and the infusion/valve valve 23 protruding from the outside of the tube wall of the fixed tube 21.
  • the balloon 22 is positioned in the subcutaneous loose adipose tissue to fix the sheath 1 accurately.
  • the dense dermal tissue has the characteristics of large compressive strength and high ductility, and can effectively prevent the balloon 22 from coming out of the skin at the incision incision, thereby preventing the sheath 1 from coming off.
  • the body wall muscle layer III has a large compressive strength but a certain ductility, which can effectively prevent the balloon 22 from shifting forward under the action of conventional operating force, thereby preventing the sheath tube 1 from penetrating into the body cavity IV, but if only the air bag 22 is present
  • the design of the balloon 22 may be embedded in the muscle layer III puncture channel during the transient violent push forward, resulting in muscle tear bleeding, and the sheath 1 is displaced before the movement, so in the present invention, the fixed tube 21
  • the liquid inlet/air valve 23 is disposed at the rear end, and the valve opening of the liquid injection/air valve 23 protrudes outside the tube wall of the fixed tube 21, and the design of the puncturing device is in use.
  • the valve port of the injecting liquid/air valve 23 is located just outside the body wall skin, and can effectively prevent the fixed tube 21 and the air bag 22 from being excessively advanced into the puncture channel, the air bag 22 and the injecting/air valve 23
  • the double blocking action of the valve port effectively prevents the sheath tube 1 from going deep into the body cavity IV, and the sheath 1 is restored to its original ideal position due to the elastic action of the air bag 22 after the current thrust action disappears.
  • the air bag 22 can effectively prevent the leakage of gas in the body cavity IV through the puncture channel and the sheath 1 and the formation of subcutaneous emphysema. Since the balloon 22 is filled in the subcutaneous adipose tissue after being filled, it can press and squeeze the peripheral fat tissue to fill the gap between the muscle layer III puncture channel and the sheath tube 1 while the balloon 22 is closely attached to the surrounding tissue. The gas is effectively prevented from leaking to the fat layer II, and the pressing action of the air bag 22 also makes the surrounding adipose tissue denser, wherein the tissue gap disappears and the gas cannot overflow and spread into the subcutaneous space, thereby preventing the formation of subcutaneous emphysema.
  • the bladder 22 does not significantly reduce the working length of the sheath 1 and limits its angle of rotation. Since the balloon 22 is located in the body wall puncture channel, rather than in the body cavity IV or outside the body, the effective length of the sheath 1 is not reduced. Due to the single elasticity, the balloon 22 is located in the soft and loose subcutaneous fat layer II of the body wall, and has a large moving space on the level between the relatively dense muscle layer III and the skin layer I, so that it does not act on the sheath The rotation of the tube 1 causes interference and does not limit the angle of rotation of the sheath 1.
  • the balloon 22 does not aggravate the puncture channel damage. Due to the positioning in the loose subcutaneous fat layer II, the balloon 22 has a small pressing force on the surrounding adipose tissue when the filling is appropriate, and the force acting area is large and dispersed, and does not tear the adipose tissue. In the actual surgical operation, the sheath tube 1 will oscillate continuously, which makes the pressure of the balloon 22 to a certain range of peripheral adipose tissue sometimes absent, and does not occur due to the long-term continuous compression of the adipose tissue by the balloon 22, resulting in ischemia. Necrotic condition.
  • the skin puncture incision required for placement of the fixation tube 21 is slightly larger than that of the conventional incision, but this does not significantly impair the minimally invasiveness of the laparoscopic procedure.
  • the puncture channel skin incision which is most prone to the displacement of the sheath 1 and the gas leakage is much larger than the diameter of the fixing tube 21 in the present invention, so the fixing tube 21 of the present invention can be easily placed under the skin, and Need to enlarge the skin incision.
  • the connecting structure 3 includes a first connecting structure 31 and a second connecting structure 32 that are coupled to each other, the first connecting structure 31 is disposed on an outer wall of the sheath tube 1, and the second connecting structure 32 is disposed on the outer connecting structure The inner wall of the tube 21 is fixed.
  • the present invention provides two ways of connecting structures 3, one of which is shown in one of Figures 2-5 as a circular cross-hatching.
  • the sheath tube 1 of the existing puncturing device is often provided with a circular horizontal groove
  • the annular rib structure can be modified from the groove 311 structure to be used together with the fixed tube 21, and
  • the fixed tube 21 can be conveniently inserted into the rear end of the sheath 1 and moved to be conveniently used.
  • the connecting structure 3 is an annular horizontal stripe
  • the first connecting structure 31 is provided with a groove 311 along the axial direction of the sheath tube 1 , and the length of the groove 311 is greater than the second connecting structure 32 .
  • the length of the groove 311 is the same as the vertical section of the second connecting structure 32, and the first connecting structure 31 and the second connecting structure 32 can form an almost complete shape in the same vertical plane. Circular stripes.
  • the groove 311 on the first connecting structure 31 and the second connecting structure 32 form an approximately complete annular horizontal groove in the same vertical plane, the groove 311 is equivalent to the second connection.
  • the structure 32 provides a sliding passage, the fixed tube 21 being capable of achieving relative sliding with the sheath 1 in the axial direction along the groove 311; when the groove 311 on the first connecting structure 31
  • the fixed connecting tube 21 is not formed in the same vertical plane as the second connecting structure 32, that is, when the first connecting structure 31 and the second connecting structure 32 are in a fitting state.
  • the length of the groove 311 is greater than the length of the second connecting structure 32, so that the second connecting structure 32 can overlap with the groove 311 on the first connecting structure 31 and slide relative to each other without An offset occurs, and the sheath tube 1 can be rotated about the fixed tube 21 such that the second connecting structure 32 and the first connecting structure 31 are overlapped with each other, so that the sheath tube 1 and the The fixed pipe 21 is fixed in relative position in the axial direction, and the fixing effect is exact.
  • the outer wall of the second connecting structure 32 and the inner wall of the groove 311 are gap-fitted, that is, the first in the same vertical plane.
  • the connecting structure 31 and the second connecting structure 32 may form an approximately complete ring shape instead of a complete ring shape.
  • FIG. 6-8 Another configuration of the connecting structure 3 is shown in one of Figures 6-8 as a continuous helical thread.
  • the first connecting structure 31 and the second connecting structure 32 are continuous spiral threads, and both Cooperating with each other, in use, the sheath tube 1 and the fixed tube 21 are relatively rotated, so that the sheath tube 1 and the fixed tube 21 are both moved and reach a desired position, and the relative rotation is stopped at this time.
  • the relative position of the sheath tube 1 and the fixed tube 21 is fixed.
  • the invention adopts a continuous spiral thread as the connecting structure 3, has a simple structure and is convenient for operation, and can fix or move between the sheath tube 1 and the fixing structure 2 relatively quickly.
  • the fixed tube 21 and the connecting structure 3 designed by the invention have simple structure, few operation steps and convenient use. Because the fixing principle of the prior art puncture sheath tube is different, it is not necessary to arbitrarily set the air bag, the water injection channel and the like on the sheath 1 of the existing puncture device, thereby greatly reducing the preparation difficulty and saving resources.
  • the separate design of the fixed tube 21 and the sheath tube 1 allows the user to flexibly select a free combination according to actual conditions, which is very convenient for clinical application.
  • the present invention provides different dimensions of the sheath tube 1, the fixed tube 21 and the air bag 22, wherein the fixed tube 21 only needs to be designed to match two of the currently widely used puncture sheath tubes 1 Three diameter specifications are available.
  • the sheath 1 has a working length of 10 cm and an outer diameter of 5-12 mm.
  • the outer diameter of the sheath 1 is preferably designed to be 5 mm, 10 mm and 12 mm, but can be designed according to specific needs. Other specifications.
  • the fixed tube 21 has a length of 2-5 cm, a tube wall thickness of 1.5 mm, and an outer diameter of 8-15 mm. Considering that the clinical routine puncture site is thicker than the subcutaneous fat layer II of the human body wall, and the skin thickness is generally not more than 1.0 cm, the thickness of the subcutaneous fat layer II according to the different body wall puncture sites of different patients in the actual use process of the present invention.
  • the size of the fixed tube 21 may be specifically designed such that the length of the fixed tube 21 is 3 cm and 5 cm, respectively, and the outer diameter of the fixed tube 21 is 8 mm, 13 mm, and 15 mm, respectively.
  • the volume of the air bag 22 is 2-20 mL, and the volume of the air bag 22 may be 2-10 mL and 10-20 mL.
  • the distance between the airbag 22 and the injecting/air valve 23 is 0.5-4.0 cm.
  • the length of the liquid injection/air valve 23 protruding from the outside of the tube wall of the fixed tube 21 is 1-2 cm.
  • the lengths of the fixed tubes 21 are respectively designed to be 3 cm and 5 cm, respectively, they are suitable for general body type and obese body type, respectively, specifically when the length of the fixed tube 21 is 3 cm, in the fixed tube 21
  • the airbag 22 provided at the front end of the fixed pipe 21 occupies 1.5 cm of the length of the fixed pipe 21, and the liquid injection/valve valve 23 provided at the rear end of the fixed pipe 21 accounts for
  • the length of the fixed tube 21 is 0.5 cm, the distance between the air bag 22 and the infusion/gas valve 23 is 1 cm, and the volume of the air bag 22 is designed to be 2-10 mL; when the length of the fixed tube 21 is 5 cm, In the axial direction of the fixed pipe 21, the air bag 22 provided at the front end of the fixed pipe 21 occupies 2.5 cm of the length of the fixed pipe 21, and the liquid injection/air valve provided at the rear end of the fixed pipe 21
  • the length of the fixed tube 21 is 0.5 cm, the distance between the air bag 22 and the liquid filling/air valve 23 is 2 cm, and the
  • the liquid injection/air valve 23 is provided with a manual control of the liquid injection/air valve. 23 switch.
  • the use of the puncturing device in the laparoscopic surgical device may include a prior art structure such as a puncture needle as needed in addition to the structure of the puncturing device of the present invention.
  • FIG. 9 it is a schematic diagram of the use state of the puncturing device of the present invention:
  • the fixed tube 21 matched with the sheath tube 1 to be used is selected, and the type of the corresponding fixed tube 21 is selected according to the thickness of the subcutaneous fat layer II of the body wall puncture point, and the fixed tube 21 is placed at the rear end of the sheath tube 1.
  • the skin layer I of the puncture site is cut by a sharp knife to the diameter of the fixed tube 21, and the front end of each puncture sheath tube 1 is inserted into the body cavity IV.
  • the laparoscopic force is placed into the body cavity IV through the sheath tube 1 to see the front end of each sheath tube 1 deep into the body cavity IV, or at the puncture hole (the first puncture site is often 2-3 cm), the finger is probed into the body cavity IV.
  • the sheath 1 is placed too much, if the depth is too much, the sheath 1 is pulled back under the direct vision or finger sensing, so that the front end of the sheath 1 is placed in the optimal length of the body cavity IV of about 1-2 cm, ensuring its Does not interfere with surgical operations.
  • the front end of the fixed tube 21 and the balloon 22 are placed in the subcutaneous fat layer II along the sheath tube 1, and the sheath tube 1 of the inner tube of the tube 21 is slightly rotated, so that the first connecting structure 31 located on the outer wall of the sheath tube 1 is fixed.
  • the second connecting structures 32 of the inner wall of the tube 21 are fitted to each other, thereby fixing the relative position of the sheath tube 1 and the fixed tube 21 in the axial direction.
  • water or gas is injected into the valve port of the liquid injection/air valve 23 located at the rear end of the fixed pipe 21, and the air bag 22 at the front end of the pipe wall of the fixed pipe 21 is filled.
  • the size of the air bag 22 is adjusted according to the thickness of the subcutaneous fat layer II, so that the air bag 22 is adjusted.
  • the skin layer I can be slightly raised, and the sheath 1 is fixed. Since the balloon 22 at the front end of the tube wall of the fixed tube 21 is fixed in the subcutaneous fat layer II in the puncture channel, that is, between the muscle layer III and the skin layer I, the puncture sheath tube 1 is also sufficiently fixed, and is not subjected to the push-pull force.
  • the sheath 1 is detached or penetrates into the body cavity IV. Since the valve opening of the liquid injection/air valve 23 projecting from the rear end wall of the fixed pipe 21 is located just outside the skin layer I of the puncture point, it further prevents the sheath 1 from being excessively deep into the body cavity IV. The gap between the puncture channel and the sheath 1 is filled by the balloon 22 so that the air leak of the body cavity IV is also avoided, and the balloon 22 is pressed against the adjacent tissue, and the bleeding of the puncture channel wound is also reduced.
  • the air bag 22 is located in the soft subcutaneous fat layer II of the puncture channel, and is elastically deformable by itself, and has a large moving space, so that the swing of the sheath 1 is not disturbed, thereby avoiding interference with the operation of the surgical instrument.
  • the puncture sheath 1 needs to be removed, the infusion/valve valve 23 only needs to be opened, and since the air bag 22 is elastically retracted, the gas or water in the air bag 22 is discharged by itself, and the puncture device can be removed.

Abstract

La présente invention concerne un dispositif de perforation pouvant être fixé destiné à un laparoscope, comprenant une gaine (1), une structure de fixation (2), et une structure de raccordement (3) qui raccorde ladite gaine (1) et ladite structure de fixation (2) et s'étendant le long du sens axial de la gaine (1); à l'aide de la structure de raccordement (3), la structure de fixation (2) peut être solidement fixée à la gaine (1) ou se déplacer sur cette dernière; la structure de fixation (2) comprend un tube de fixation (21), un ballonnet (22), un canal d'injection de liquide/gaz, et une vanne de liquide/gaz (23); le tube de fixation (21) est emmanché sur sur l'extérieur de la gaine (1), et est plus court que la gaine (1); le coussin d'air (22) est disposé sur l'extrémité avant du tube de fixation (21); une extrémité du canal d'injection de liquide/gaz est raccordée au ballonnet (22), et l'autre extrémité du canal d'injection de liquide/gaz fait saillie vers le côté externe de la paroi du tube de fixation (21), et l'extrémité du canal d'injection de liquide/gaz est prévue avec la vanne d'injection de liquide/gaz (23); la vanne d'injection de liquide/gaz (23) est disposée sur l'extrémité arrière du tube de fixation (21), et l'ouverture de vanne de la vanne d'injection de liquide/gaz (23) fait saillie vers le côté externe de la paroi du tube de fixation (21); le ballonnet (22) et la vanne d'injection de liquide/gaz (23) se trouvent en communication l'un avec l'autre à l'aide du canal d'injection de liquide/gaz.
PCT/CN2016/070713 2015-12-17 2016-01-12 Dispositif de perforation pouvant être fixé destiné à un laparoscope WO2017101187A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201521063682.7U CN205286423U (zh) 2015-12-17 2015-12-17 一种可固定的腹腔镜穿刺器
CN201521063682.7 2015-12-17
CN201510953394.7A CN105380684A (zh) 2015-12-17 2015-12-17 一种可固定的腹腔镜穿刺器
CN201510953394.7 2015-12-17

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CN108938056A (zh) * 2018-08-01 2018-12-07 张云峰 一种可伸缩固定式腔镜穿刺器
CN114403992A (zh) * 2021-11-17 2022-04-29 牡丹江医学院附属红旗医院 一种可伸缩自清洁式胸腔镜用穿刺器
CN115430008A (zh) * 2022-10-11 2022-12-06 上海泰佑医疗器械有限公司 一种便于操作的导管鞘组
CN117137554A (zh) * 2023-10-23 2023-12-01 邦士医疗科技股份有限公司 一种腹腔筋膜缝合穿刺装置

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CN203169273U (zh) * 2013-02-26 2013-09-04 中国人民解放军第三军医大学第二附属医院 可调式气囊型腹腔镜穿刺器
CN204581447U (zh) * 2015-03-13 2015-08-26 无锡市妇幼保健院 腹腔镜防脱止血穿刺器

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US5782813A (en) * 1991-11-06 1998-07-21 Yoon; Inbae Surgical instrument stabilizer
US20120277541A1 (en) * 2010-01-04 2012-11-01 Manoj Bhargava Two-piece cannula, a kit comprising a two-piece cannula and an inserter
US20120130191A1 (en) * 2010-11-24 2012-05-24 Russell Pribanic Expandable access assembly including an internal thread mechanism
CN203169273U (zh) * 2013-02-26 2013-09-04 中国人民解放军第三军医大学第二附属医院 可调式气囊型腹腔镜穿刺器
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108938056A (zh) * 2018-08-01 2018-12-07 张云峰 一种可伸缩固定式腔镜穿刺器
CN108938056B (zh) * 2018-08-01 2024-04-09 四川省医学科学院·四川省人民医院 一种可伸缩固定式腔镜穿刺器
CN114403992A (zh) * 2021-11-17 2022-04-29 牡丹江医学院附属红旗医院 一种可伸缩自清洁式胸腔镜用穿刺器
CN115430008A (zh) * 2022-10-11 2022-12-06 上海泰佑医疗器械有限公司 一种便于操作的导管鞘组
CN115430008B (zh) * 2022-10-11 2023-05-02 上海泰佑医疗器械有限公司 一种便于操作的导管鞘组
CN117137554A (zh) * 2023-10-23 2023-12-01 邦士医疗科技股份有限公司 一种腹腔筋膜缝合穿刺装置
CN117137554B (zh) * 2023-10-23 2024-04-02 邦士医疗科技股份有限公司 一种腹腔筋膜缝合穿刺装置

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