CN111110328A - Sealing device and puncture device - Google Patents
Sealing device and puncture device Download PDFInfo
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- CN111110328A CN111110328A CN202010014108.1A CN202010014108A CN111110328A CN 111110328 A CN111110328 A CN 111110328A CN 202010014108 A CN202010014108 A CN 202010014108A CN 111110328 A CN111110328 A CN 111110328A
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- 238000007789 sealing Methods 0.000 title claims abstract description 377
- 230000003068 static effect Effects 0.000 claims abstract description 119
- 239000000463 material Substances 0.000 claims description 6
- 239000000696 magnetic material Substances 0.000 claims description 4
- 238000005192 partition Methods 0.000 description 23
- 238000010586 diagram Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000565 sealant Substances 0.000 description 4
- 210000004907 gland Anatomy 0.000 description 3
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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Classifications
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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
- A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
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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
-
- 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
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
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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
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/30—Surgical robots
- A61B34/37—Master-slave robots
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/70—Manipulators specially adapted for use in surgery
-
- 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
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3419—Sealing means between cannula and body
-
- 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
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/3445—Cannulas used as instrument channel for multiple instruments
-
- 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
- A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
- A61B2017/3466—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals for simultaneous sealing of multiple instruments
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Robotics (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides a sealing device and a puncture device, wherein the sealing device comprises: the body is provided with a static sealing part, and an instrument channel penetrates through the static sealing part; the static sealing structure is provided with a sealing sleeve and a sealing plate, the sealing sleeve is sleeved on the static sealing part, the sealing sleeve is provided with a static sealing opening, the static sealing opening is arranged corresponding to the instrument channel, the sealing plate is rotationally connected to the body and is abutted against the sealing sleeve to seal the static sealing opening, and the sealing plate is used for being pushed open by an instrument in the instrument channel and is separated from the sealing sleeve, so that the instrument passes through the static sealing opening. The sealing device and the puncture device have simple structures and convenient assembly.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a sealing device and a puncture device with the same.
Background
Lancing devices are a common tool for performing surgery. During operation, gas is filled into an operation area through an incision on a patient body so as to expand an operation space and facilitate the operation, the puncture device is inserted into the operation space after the gas is filled, and the operation space of the abdominal cavity is sealed through a sealing structure of the puncture device. During operation, surgical instruments enter the operation space through the puncture device, and the operation space is continuously sealed through the sealing structure of the puncture device. The structure of the existing puncture device is complex and the assembly is troublesome.
Disclosure of Invention
In view of the above, there is a need for a sealing device with simple structure and easy assembly, and a puncturing device having the sealing device.
A sealing device, comprising:
the body is provided with a static sealing part, and an instrument channel penetrates through the static sealing part;
the static sealing structure is provided with a sealing sleeve and a sealing plate, the sealing sleeve is sleeved on the static sealing part, the sealing sleeve is provided with a static sealing opening, the static sealing opening is arranged corresponding to the instrument channel, the sealing plate is rotationally connected to the body and is abutted against the sealing sleeve to seal the static sealing opening, and the sealing plate is used for being pushed open by an instrument in the instrument channel and is separated from the sealing sleeve, so that the instrument passes through the static sealing opening.
Preferably, the sealing plate is rotatably arranged on the body through a spring, the spring elastically abuts against the sealing plate to enable the sealing plate to abut against the sealing sleeve to seal the static sealing opening, the sealing plate is used for being ejected by the instrument and separated from the sealing sleeve to expose the static sealing opening, and the spring is used for driving the sealing plate to reset when the instrument is moved out of the static sealing opening.
Preferably, the static sealing part is provided with a wedge-shaped end part, a positioning hole is formed in the wedge-shaped end part, the sealing sleeve comprises a sleeve body sleeved on the static sealing part and a positioning convex column contained in the positioning hole, and the positioning convex column is located on the inner side of the bottom of the sleeve body.
Preferably, the body further comprises a dynamic sealing portion and a connecting portion connected between the dynamic sealing portion and the static sealing portion, the instrument channel further penetrates through the dynamic sealing portion and the connecting portion, the body further comprises a covering portion surrounding the connecting portion, and the covering portion is provided with an installation groove and a sealing ring installed in the installation groove.
Preferably, a sealing flange extends from the periphery of the static sealing opening, and the sealing flange abuts against the sealing plate.
Preferably, the static sealing part is made of a magnetic material, and the sealing plate is made of a material capable of being attracted magnetically.
A lancing device, comprising: sealing device, and with sealing device can dismantle the stand pipe of connection, the stand pipe includes accept the cavity, communicate accept the draw-in groove of cavity and intercommunication the first breach of draw-in groove, sealing device includes:
the body is provided with a dynamic sealing part, a static sealing part and a connecting part connected between the dynamic sealing part and the static sealing part, the body is provided with an instrument channel, the instrument channel penetrates through the static sealing part, the body is also provided with a covering part surrounding the connecting part, the covering part comprises a covering main body and a first clamping convex body formed by extending outwards from the covering main body, and the covering part is used for rotating after the first clamping convex body enters the clamping groove from the first notch so as to clamp the first clamping convex body in the clamping groove; and
the static sealing structure is provided with a sealing sleeve and a sealing plate, the sealing sleeve is sleeved on the static sealing part, the sealing sleeve is provided with a static sealing opening, the static sealing opening is arranged corresponding to the instrument channel, the sealing plate is rotationally connected to the body and abuts against the static sealing part to seal the static sealing opening, and the sealing plate is used for being pushed open by an instrument in the instrument channel and separated from the static sealing part so as to enable the instrument to pass through the static sealing opening.
Preferably, the guide tube includes a mounting flange formed by extending outward from a wall body of the accommodating cavity, a side portion connected to the mounting flange, and a folded edge formed by extending inward from the side portion, the mounting flange, the side portion, and the folded edge surround to form the slot, and the first notch is formed in the folded edge.
Preferably, cover still include certainly cover the outside second joint convex body that extends the formation of main part, the hem still is equipped with the correspondence the second convex body of second joint convex body, the stand pipe is still including being located the department of resist in the draw-in groove, cover the portion be used for first joint convex body reaches the second joint convex body is followed respectively first breach reaches the second breach gets into rotatory and messenger behind the draw-in groove the second joint convex body is contradicted the department of resist.
Preferably, the sealing plate passes through the spring rotation set up in on the body, the spring elasticity is contradicted the sealing plate makes the sealing plate support and hold static sealing portion is in order to seal static sealed opening, the sealing plate be used for by the apparatus is backed up and with static sealing portion separates and exposes static sealed opening, the spring is used for when the apparatus is followed when static sealed opening shifts out the drive the sealing plate resets.
Preferably, the sealing plate is rotatably arranged on the body through a spring, the spring elastically abuts against the sealing plate to enable the sealing plate to abut against the sealing sleeve to seal the static sealing opening, the sealing plate is used for being ejected by the instrument and separated from the sealing sleeve to expose the static sealing opening, and the spring is used for driving the sealing plate to reset when the instrument is moved out of the static sealing opening.
Preferably, the static sealing part is provided with a wedge-shaped end part, a positioning hole is formed in the wedge-shaped end part, the sealing sleeve comprises a sleeve body sleeved on the static sealing part and a positioning convex column contained in the positioning hole, and the positioning convex column is located on the inner side of the bottom of the sleeve body.
Preferably, the body further comprises a dynamic sealing portion and a connecting portion connected between the dynamic sealing portion and the static sealing portion, the instrument channel further penetrates through the dynamic sealing portion and the connecting portion, the body further comprises a covering portion surrounding the connecting portion, and the covering portion is provided with an installation groove and a sealing ring installed in the installation groove.
Preferably, a sealing flange extends from the periphery of the static sealing opening, and the sealing flange abuts against the sealing plate.
Preferably, the static sealing part is made of a magnetic material, and the sealing plate is made of a material capable of being attracted magnetically.
Compared with the prior art, the sealing device and the puncture device provided by the invention have static sealing structures, are provided with the sealing sleeves and the sealing plates, the sealing sleeves are sleeved on the static sealing parts, the sealing plates abut against the sealing sleeves to seal the static sealing openings of the sealing sleeves, when the sealing sleeves need to be replaced, the sealing plates are outwards opened, and then the sealing sleeves can be separated, so that the operation is simple and convenient.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a surgical robot;
fig. 2 and 3 are partial schematic views of different embodiments of the surgical robot respectively;
fig. 4 and 5 are a schematic structural view and a schematic use view of an embodiment of the puncturing device, respectively;
FIG. 6 is an exploded view of one embodiment of the puncturing device of the present invention;
FIG. 7 is an exploded view of one embodiment of the sealing device of the present invention;
FIG. 8 is an exploded view of another embodiment of the sealing device of the present invention;
figure 9 is a schematic view of the gland of figure 8;
FIG. 10 is a schematic view of the body of FIG. 8;
FIG. 11 is a schematic view of the guide tube of FIG. 6;
FIG. 12 is a partial cross-sectional view of one embodiment of a sealing device;
FIG. 13 is another partial cross-sectional view of an embodiment of a sealing device;
FIG. 14 is a partial cross-sectional view of an embodiment of the sealing device fitted with an instrument;
FIG. 15 is another partial cross-sectional view of an embodiment of a sealing device; (ii) a
FIG. 16 is a schematic structural diagram of an embodiment of a sealing layer;
FIG. 17 is another schematic structural view of an embodiment of a sealing layer;
FIG. 18 is a schematic view of another embodiment of a sealing layer;
FIG. 19 is another structural diagram of an embodiment of a sealing layer.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "coupled" to another element, it can be directly coupled to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments. As used herein, the terms "distal" and "proximal" are used as terms of orientation that are conventional in the art of interventional medical devices, wherein "distal" refers to the end of the device that is distal from the operator during a procedure, and "proximal" refers to the end of the device that is proximal to the operator during a procedure.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the surgical robot includes a master operation table 1 and a slave operation device 2. The main console 1 is configured to transmit a control command to the slave operating device 2 according to a doctor's operation to control the slave operating device 2, and is configured to display an image acquired by the slave operating device 2. The slave operation device 2 is used for responding to the control command sent by the master operation table 1 and performing corresponding operation, and the slave operation device 2 is also used for acquiring the images in the body.
The slave operation device 2 includes a robot arm 21, a power mechanism 22 provided on the robot arm 21, a surgical instrument 23 provided on the power mechanism 22, and a cannula 24 in which the surgical instrument 23 is sleeved. The robotic arm 21 is used to adjust the position of the surgical instrument 23; the power mechanism 22 is used for driving the surgical instrument 23 to perform corresponding operation, and is provided with a mounting shell which is connected with the mechanical arm and can move relative to the mechanical arm; the surgical instrument 23 is used to extend into the body and perform surgical procedures, and/or acquire in vivo images, with its distally located end instrument. Specifically, as shown in fig. 2 and 3, the surgical instrument 23 is inserted into the cannula 24, and the distal end instrument extends out of the cannula 24 and is driven to perform an operation by the power mechanism 22. In fig. 2, the region of the surgical instrument 23 within the cannula 24 is a rigid region; in fig. 3, the region of the surgical instrument 23 within the cannula 24 is a flexible region, and the cannula bends with the flexible region. The sleeve 24 may also be omitted.
Fig. 4 and 5 are a schematic structural diagram and an application structural diagram of an embodiment of the puncturing device, respectively. The puncture device 10 is used for penetrating through an incision on a patient body so as to seal an operation space 11 in the incision, the operation space 11 is prevented from being affected by air leakage, and an operation instrument penetrates through the puncture device 10 and reaches the operation space 11 to perform an operation. The puncture device 10 includes: the sealing device 100 is provided with an instrument channel 101, and the guide tube 200 is connected with the sealing device 100, and the guide tube 200 is provided with a guide port corresponding to and communicated with the instrument channel 101 so as to enable a surgical instrument to move in the instrument channel 101 and the guide port. The sealing device 100 has a structure for sealing the puncture mechanism, and the guide tube 200 may have a structure for sealing. In this embodiment, the guiding tube is further provided with an insertion indicating groove 201 for guiding the insertion depth and range of the puncture device, so that the insertion depth of the guiding tube is within the preset range to assist the medical staff in operation. In other embodiments, the insertion indicating groove may be omitted.
Referring to fig. 6, in one embodiment, the sealing device 100 is removably connected to the guide tube 200 to allow for replacement of the structure for sealing. Referring to fig. 11, the guide tube 200 has a receiving cavity 210, the guide tube 200 further has a locking groove 211 communicating with the receiving cavity 210, the guide tube 200 includes a mounting flange 2110 extending outwardly from a wall of the receiving cavity 210, a side portion 2111 connecting the mounting flange 2110, and a folded edge 2112 extending inwardly from the side portion 2111, the mounting flange 2110, the side portion 2111 and the folded edge 2112 surround the slot 211, the folded edge 2112 is provided with a first notch 2113 and two second notches 2115 at intervals, the first notch 2113 and the two second notches 2115 are both communicated with the clamping groove 211, the first notch 2113 is larger than the second notch 2115, the guide tube 200 is installed with a stopper 2119 in the notch 211, the abutments 2119 are located on the mounting flange 2110 on a side of the first notch 2113.
Referring to fig. 7 to 10, the sealing device 100 includes a body 110, a static sealing structure 120 and a dynamic sealing structure 130. The body 110 includes a static sealing portion 111, a dynamic sealing portion 112, and a connecting portion 114 connected between the static sealing portion 111 and the dynamic sealing portion 112, and the instrument channel 101 penetrates through the dynamic sealing portion 112, the connecting portion 114, and the static sealing portion 111. The body 110 further includes a covering portion 116 surrounding the connecting portion 114, and the covering portion 116 includes a covering main body 1161 and a first clamping convex body 1163 and two second clamping convex bodies 1165 formed by extending the covering main body 1161 outwards. The first clamping convex body 1163 is larger than the second clamping convex body 1165. The first clamping convex body 1163 corresponds to the first notch 2113, and the second clamping convex body 1165 corresponds to the second notch 2115. The covering portion 116 is provided with a mounting groove 1167 surrounding the covering main body 1161, and the body 110 further includes a sealing ring 118 mounted in the mounting groove 1167. The dynamic sealing part 112 includes a positioning part, which is a positioning post 113 in this embodiment.
The dynamic sealing structure 130 includes a sealing layer 131, a partition 132 and a fixing portion, in this embodiment, the fixing portion is a locking ring 133. In other embodiments, the fixing portion is fixed to the dynamic sealing portion 112 in a clamping manner, specifically, the fixing portion includes a hook, and the dynamic sealing portion 112 is provided with a clamping hole; alternatively, the fixed portion may include a snap hole and the dynamic seal 112 may include a snap hook. The sealing layer 131 is disposed on the dynamic sealing portion 112, the sealing layer 131 has a plurality of dynamic sealing openings 131A, each dynamic sealing opening 131A corresponds to one instrument channel 101, and after a surgical instrument is inserted into the sealing device 100, the surgical space 11 is sealed by the sealing layer 131, that is, the sealing layer 131 seals between the instrument and the dynamic sealing structure 130 by wrapping the instrument. The sealing layer 131 is detachably provided on the dynamic seal portion 112. The sealing layer 131 includes a positioning matching portion corresponding to the positioning portion of the dynamic sealing portion 112, and in this embodiment, a positioning hole 131D matching with the positioning post 113 is formed at a periphery of the sealing layer 131.
The partition 132 includes a base 1320, and a plurality of partition ribs 132A disposed on the base 1320 and connected to each other, the partition ribs 132A abutting against the sealing layer 131, and the base 1320 has a plurality of guide openings 1321 corresponding to the instrument channel 101 for guiding the surgical instrument to be quickly inserted into the instrument channel 101. In this embodiment, one ends of the plurality of partition ribs 132A are connected together, and the other ends are divergently spread, and the height of the connected ends of the partition ribs 132A in the axial direction of the dynamic seal opening 131A is larger than the height of the other ends of the partition ribs 132A in this direction. The partition 132 isolates the plurality of dynamic seal openings 131A opened in the seal layer 131 from each other. The base 1320 includes a positioning adapting portion corresponding to the positioning portion of the dynamic sealing portion 112, and in this embodiment, the base 1320 has a plurality of receiving holes 1323 corresponding to the positioning pillars 113.
The locking ring 133 is engaged with the dynamic seal portion 112 to lock the seal layer 131 on the dynamic seal portion 112, and the locking ring 133, the partition portion 132, the seal layer 131, and the dynamic seal portion 112 are sequentially disposed. The locking ring 133 locks the partition 132 tightly against the sealant 131. The locking ring 133 is detachably connected to the dynamic sealing portion 112, and in this embodiment, the locking ring 133 is detachably connected to the dynamic sealing portion 112 through a thread structure. In other embodiments, the locking ring 133 is removably coupled to the dynamic seal 112 via a snap-fit arrangement.
The static seal structure 120 has a gland 121 and a sealing plate 122. The sealing sleeve 121 is sleeved on the static sealing portion 111, and the sealing sleeve 121 has a static sealing opening 121A, which is disposed corresponding to the instrument channel 101 and is used for accommodating surgical instruments and enabling the edge of the static sealing opening 121A to be tightly attached to the surgical instruments for sealing. The sealing plate 122 is rotatably disposed on the body 110, when the static sealing portion 111 is not inserted into the surgical instrument, the sealing plate 122 cooperates with the static sealing portion 111 to abut against the static sealing opening 121A, and when the static sealing portion 111 is inserted into the surgical instrument, the sealing plate 122 exposes the static sealing opening 121A to allow the surgical instrument to pass through.
The sealing plate 122 includes a plate body 1221 and a convex hull 1223 extending from the plate body 1221. The convex hull 1223 is configured to interfere with a surgical instrument without contacting the plate 1221 with the surgical instrument, thereby preventing the plate 1221 from entering the void in the distal portion of the surgical instrument. The convex hull 1223 is positioned in the static seal opening 121A when the hush panel 122 seals the static seal opening 121A.
The sealing plate 122 is rotatably disposed on the body 110 by a spring 129, which is a torsion spring in this embodiment, and when the sealing device 100 is not inserted into the instrument, the sealing plate 122 tightly presses the static sealing opening 121A of the sealing sleeve 121 by the elastic force of the spring to close the instrument channel 101; when the sealing device 100 is inserted into the instrument 23, the instrument pushes open the sealing plate 122 for insertion into the body; when the instrument is removed from the sealing device 100, the sealing plate 122 again seals the static seal opening 121A under the driving of the elastic restoring force of the spring.
In another embodiment, the sealing plate 122 is magnetically attracted to the static seal 111. For example, the static sealing portion 111 is made of a magnetic material, the sealing plate 122 is made of a material that can be magnetically attracted, and when a surgical instrument is not inserted into the sealing device 100, the sealing plate 122 seals the instrument channel 101 by magnetic force, and when a surgical instrument is inserted, the surgical instrument pushes the sealing plate 122 open.
The static seal opening 121A is smaller in size than the opening of the instrument channel 101 in the static seal 111, i.e., the static seal opening 121A circumferentially covers the opening of the instrument channel 101 in the static seal 111. This can further improve the sealing performance of the sealing device 100. The periphery of the static seal opening 121A extends with a seal flange 121B that abuts the sealing plate 122, and at this time, the seal flange 121B matches the structure of the sealing plate 122.
In one embodiment, the static seal 111 has a tapered end with a locating feature thereon to locate the gland 121 during installation. The positioning structure is a positioning hole 111A, the sealing sleeve 121 includes a sleeve body and a positioning convex column 121C for being contained in the positioning hole 111A, and the positioning convex column 121C is located on the inner side of the bottom of the sleeve body.
In one embodiment, the proximal end of the static sealing portion 111 has a mounting portion 111B connected to the sealing sleeve 121 for fixing the sealing sleeve 121 to prevent it from falling off during operation. For example, the mounting portion has a groove structure, and the sealing sleeve 121 has a protrusion matching with the groove structure and is accommodated in the mounting portion. For another example, the mounting portion is a snap structure, which is snap-fit with the sealing sleeve 121 to prevent the sealing sleeve 121 from falling off.
In one embodiment, the sealing sleeve 121 is detachably disposed on the body 110 for easy replacement. In other embodiments, the sealing sleeve 121 may be non-detachably disposed on the body 110.
When the dynamic seal structure 130 is assembled to the body 110, the seal layer 131 is first placed on the dynamic seal portion 112, the positioning posts 113 of the dynamic seal portion 112 are inserted through the positioning holes 131D corresponding to the seal layer 131, the receiving holes 1323 of the partition portion 132 are aligned with the corresponding positioning posts 113, the partition portion 132 is moved toward the positioning posts 113 to receive the positioning posts 113 in the corresponding receiving holes 1323, and the locking ring 133 and the dynamic seal portion 112 are screwed together, so that the partition portion 132 and the seal layer 131 are fixed to the dynamic seal portion 112. At this point, the dynamic seal structure 130 is assembled with the body 110. At this time, the sealing layer 131 is located between the dynamic sealing portion 112 and the partition portion 132, and the partition rib 132A of the partition portion 132 is located in the ring of the locking ring 133.
When the sealing sleeve 121 is assembled on the static sealing part 111, the sealing plate 122 is opened, the sealing sleeve 121 is sleeved on the prime number static sealing part 111, the positioning convex column 121C of the sealing sleeve 121 is contained in the positioning hole 111A of the static sealing part 111, then the sealing plate 122 is in a natural state, and the sealing plate 122 seals the static sealing opening 121A under the driving of the elastic restoring force of the spring.
The assembled sealing device 100 is placed into the accommodating cavity 210 of the guide tube 200, the first clamping protrusion 1163 and the two second clamping protrusions 1165 of the sealing device 100 are aligned with the first notch 2113 and the two second notches 2115 of the guide tube 200, the first clamping protrusion 1163 and the two second clamping protrusions 1165 enter the clamping groove 211 from the first notch 2113 and the two second notches 2115 by moving towards the guide tube 200, and the bee device 100 is rotated to enable one of the second clamping protrusions 1165 to abut against the abutting portion 2119 in the clamping groove 211, so that the assembly is completed. At this time, the sealing ring 118 of the sealing device 100 abuts against the wall of the receiving cavity 210, thereby sealing the receiving cavity 210.
Referring to fig. 12-14, in use, an instrument 23 enters the instrument channel 101 from the guide opening 1321 and the dynamic seal opening 131A of the dynamic seal structure 130 and pushes the sealing plate 122 open; when the instrument 23 is removed from the instrument channel 101, the sealing plate 122 seals the static seal opening 121A under the urging of the elastic restoring force of the spring.
In other embodiments, the sealing device 100 may be non-removably attached to the guide tube 200. It should be noted that the sealing device 100 and the guiding tube 200 may be made of the same material or different materials. For example, the sealing device 100 is PEEK (polyetheretherketone), and the guide tube 200 is SUS304 (stainless steel).
In one embodiment, the dynamic sealing structure 130 is located at the proximal end of the static sealing portion 111, and at this time, when the surgical instrument enters the body sequentially through the dynamic sealing structure 130 and the static sealing structure 120, after the sealing plate 122 of the static sealing structure 120 is opened by the surgical instrument, the surgical space 11 can be sealed by the dynamic sealing structure 130, so that the sealing effect is better.
Referring to fig. 15, in the present embodiment, the dynamic seal portion 112 may also be sealed by a plurality of (e.g., two) sealing layers 131, and in this case, each instrument channel 101 may correspond to one sealing layer 131 or a plurality of sealing layers 131. The sealing layers 131 are arranged in parallel and correspond to different instrument channels 101, and each sealing layer 131 corresponds to a plurality of sealing channels; in other embodiments, when a plurality of sealing layers 131 are juxtaposed, each sealing layer 131 may correspond to only one sealing channel, so that each sealing channel is more conveniently isolated. Each instrument channel 101 corresponds to a plurality of sealing layers 131, so that the sealing effect is better. Specifically, each instrument channel 101 corresponds to two dynamic sealing structures 130, and a plurality of sealing layers 131 are arranged at intervals and are located at the proximal end of the static sealing structure 120; in other embodiments, two dynamic seal structures 130 may be located at both ends of the static seal structure 120; alternatively, the plurality of sealing layers 131 are stacked and abutted against each other.
As shown in fig. 16, two adjacent regions may also be sealed by matching the abutting grooves 131B and the abutting ribs, specifically, the abutting grooves 131B are arranged in parallel and abut against the abutting ribs to enhance the sealing effect. The plurality of abutting grooves may be all provided on the sealing layer 131, or may be partially provided on the sealing layer 131 and partially provided on the partition 132. As in fig. 17, the sealing layer has other structures.
Similar to the sealing manner of the partition 132 and the sealing layer 131, the body 110 and the sealing layer 131 may also be sealed by matching the abutting groove and the abutting rib. For example, the body 110 has a holding groove, the sealing layer 131 has a corresponding holding rib accommodated in the holding groove, and the partition portion 132 tightly holds the sealing layer 131, the partition portion 132, and the body 110 by holding the sealing layer 131, thereby sealing. For another example, the body 110 has a support rib, and the sealing layer 131 has a support groove for accommodating the support rib.
Similar to the sealing manner of the partition and the sealing layer 131, the body 110 may also have a plurality of abutting grooves and/or abutting ribs at two adjacent regions of the sealing layer 131 to further enhance the sealing, which will not be described again.
It should be noted that each sealing structure among the partition 132, the sealing layer 131, and the body 110 may also have only a protrusion structure, no groove structure matching therewith, or only a groove structure, no protrusion structure matching therewith, at this time, the separation layer tightly abuts against the sealing layer 131, so that the sealing layer 131 is recessed to accommodate the protrusion structure, or the sealing layer 131 fills the groove structure.
In one embodiment, the dynamic sealing portion 112 has a receiving slot, and the sealing layer 131 is received in the receiving slot. When a plurality of sealant layers 131 are arranged in parallel, a plurality of accommodating grooves correspond to the plurality of sealant layers 131 and accommodate the corresponding sealant layers 131. In this embodiment, the depth of the accommodating groove is equal to or less than the thickness of the sealing layer 131.
In order to replace the sealing layer 131 more conveniently, as shown in fig. 18, a gap is formed between the edge of the sealing layer 131 and the sidewall of the accommodating groove, for example, the gap is 1mm to 3 mm. Thus, it is possible to avoid the sealing effect from being affected by the swelling of the sealing layer 131 when the sealing layer 131 is attached.
Referring to fig. 19, in another embodiment, a sealing layer 131 'is disposed on the dynamic sealing portion 112, the sealing layer 131' has a plurality of dynamic sealing openings 131 'a, each dynamic sealing opening 131' a corresponds to one instrument channel 101, and after a surgical instrument is inserted into the sealing device 100, the surgical space 11 is sealed by the sealing layer 131 ', that is, the sealing layer 131' seals between the instrument and the dynamic sealing structure 130 by wrapping the instrument. The sealing layer 131' is detachably provided on the dynamic seal portion 112. The positioning matching part of the sealing layer 131 'is a positioning column 131' D with two protruding ends for matching the positioning part of the dynamic sealing part 112, at this time, the positioning part of the dynamic sealing part 112 is of a hole structure, and the positioning adapting part of the partition part is also of a hole structure.
Based on the above inventive concept, one of the positioning portion of the dynamic sealing portion 112, the positioning matching portion of the sealing layer and the positioning adapting portion is a positioning column, and the other is a hole structure matched with the positioning column.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A seal assembly, comprising:
the body is provided with a static sealing part, and an instrument channel penetrates through the static sealing part;
the static sealing structure is provided with a sealing sleeve and a sealing plate, the sealing sleeve is sleeved on the static sealing part, the sealing sleeve is provided with a static sealing opening, the static sealing opening is arranged corresponding to the instrument channel, the sealing plate is rotationally connected to the body and is abutted against the sealing sleeve to seal the static sealing opening, and the sealing plate is used for being pushed open by an instrument in the instrument channel and is separated from the sealing sleeve, so that the instrument passes through the static sealing opening.
2. The sealing device of claim 1, wherein the sealing plate is rotatably disposed on the body by a spring, the spring resiliently abutting the sealing plate to cause the sealing plate to abut the sealing sleeve to seal the static seal opening, the sealing plate configured to be ejected by the instrument to separate from the sealing sleeve to expose the static seal opening, the spring configured to drive the sealing plate to return when the instrument is removed from the static seal opening.
3. The sealing device as claimed in claim 1, wherein the static sealing portion has a wedge-shaped end portion, the wedge-shaped end portion is provided with a positioning hole, the sealing boot includes a boot body sleeved on the static sealing portion and a positioning boss received in the positioning hole, and the positioning boss is located inside a bottom portion of the boot body.
4. The sealing device of claim 1, wherein the body further comprises a dynamic seal portion and a connecting portion connected between the dynamic seal portion and the static seal portion, the instrument channel further extends through the dynamic seal portion and the connecting portion, the body further comprises a cover portion surrounding the connecting portion, the cover portion defines a mounting groove and a sealing ring mounted in the mounting groove.
5. The sealing device of claim 1, wherein a sealing flange extends around the perimeter of the static sealing opening, the sealing flange abutting the hush panel.
6. The sealing device of claim 1, wherein the static seal is made of a magnetic material and the hush plate is made of a magnetically attractable material.
7. A lancing device, comprising: sealing device, and with sealing device can dismantle the stand pipe of connection, the stand pipe includes accept the cavity, communicate accept the draw-in groove of cavity and intercommunication the first breach of draw-in groove, sealing device includes:
the body is provided with a dynamic sealing part, a static sealing part and a connecting part connected between the dynamic sealing part and the static sealing part, the body is provided with an instrument channel, the instrument channel penetrates through the static sealing part, the body is also provided with a covering part surrounding the connecting part, the covering part comprises a covering main body and a first clamping convex body formed by extending outwards from the covering main body, and the covering part is used for rotating after the first clamping convex body enters the clamping groove from the first notch so as to clamp the first clamping convex body in the clamping groove; and
the static sealing structure is provided with a sealing sleeve and a sealing plate, the sealing sleeve is sleeved on the static sealing part, the sealing sleeve is provided with a static sealing opening, the static sealing opening is arranged corresponding to the instrument channel, the sealing plate is rotationally connected to the body and abuts against the static sealing part to seal the static sealing opening, and the sealing plate is used for being pushed open by an instrument in the instrument channel and separated from the static sealing part so as to enable the instrument to pass through the static sealing opening.
8. The lancing device of claim 7, wherein the guide tube includes a mounting flange extending outwardly from a wall of the receiving chamber, a side portion connecting the mounting flange, and a flange extending inwardly from the side portion, wherein the mounting flange, the side portion, and the flange surround to form the notch, and wherein the first notch is formed in the flange.
9. The puncture device according to claim 7, wherein the cover further comprises a second clamping protrusion extending outward from the cover main body, the folded edge is further provided with a second protrusion corresponding to the second clamping protrusion, the guide tube further comprises a stop portion located in the clamping groove, and the cover portion is configured to rotate after the first clamping protrusion and the second clamping protrusion enter the clamping groove from the first notch and the second notch respectively, so that the second clamping protrusion abuts against the stop portion.
10. The lancing device of claim 7, wherein the sealing plate is rotatably disposed on the body by a spring that resiliently urges the sealing plate against the static seal to seal the static seal opening, the sealing plate is adapted to be ejected by the instrument away from the static seal to expose the static seal opening, and the spring is adapted to drive the sealing plate to return when the instrument is removed from the static seal opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010014108.1A CN111110328A (en) | 2020-01-07 | 2020-01-07 | Sealing device and puncture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010014108.1A CN111110328A (en) | 2020-01-07 | 2020-01-07 | Sealing device and puncture device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111110328A true CN111110328A (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010014108.1A Pending CN111110328A (en) | 2020-01-07 | 2020-01-07 | Sealing device and puncture device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111110328A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023000724A1 (en) * | 2021-07-17 | 2023-01-26 | 深圳市精锋医疗科技股份有限公司 | Sealing device and puncture device |
-
2020
- 2020-01-07 CN CN202010014108.1A patent/CN111110328A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023000724A1 (en) * | 2021-07-17 | 2023-01-26 | 深圳市精锋医疗科技股份有限公司 | Sealing device and puncture device |
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Address after: 518000 2b1901, phase II, smart home, 76 Baohe Avenue, Baolong community, Baolong street, Longgang District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Jingfeng Medical Technology Co.,Ltd. Address before: 518000 301, building 39, Dayun software Town, 8288 Longgang Avenue, heao community, Yuanshan street, Longgang District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN JINGFENG MEDICAL TECHNOLOGY Co.,Ltd. |