CN102652688A - Radial universal seal device for puncture outfit, as well as puncture outfit - Google Patents
Radial universal seal device for puncture outfit, as well as puncture outfit Download PDFInfo
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- CN102652688A CN102652688A CN2011100514730A CN201110051473A CN102652688A CN 102652688 A CN102652688 A CN 102652688A CN 2011100514730 A CN2011100514730 A CN 2011100514730A CN 201110051473 A CN201110051473 A CN 201110051473A CN 102652688 A CN102652688 A CN 102652688A
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- sealing ring
- guiding
- perforator
- operating theater
- theater instruments
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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
- 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
- A61B2017/3464—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 with means acting on inner surface of valve or seal for expanding or protecting, e.g. inner pivoting fingers
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- Heart & Thoracic Surgery (AREA)
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- Surgical Instruments (AREA)
Abstract
The invention provides a radial universal seal device for a puncture outfit and the puncture outfit. The device comprises a guidance regulation mechanism, a seal ring, a rotation mechanism and a shell, wherein the wasp-waisted position of the wasp-waisted funnel structure of the guidance regulation mechanism is a fulcrum of automatic regulation, and the diameter of a surgery device through hole of the seal ring is automatically adjusted by automatically sensing the size of the outer diameter of the surgery device through coordinating movement among a rotating shaft, a wasp-waisted regulation fulcrum, a dilation edge and the bearing edge of the seal ring, so that the aim of automatically adapting to insertion of different surgery devices can be achieved, low movement resistance is realized, and excellent seal performance is maintained.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, the perforator that particularly relates to the sealing device of the perforator that in laparoscopic surgery, uses and used the sealing device.
Background technology
Laparoscopic surgery has obtained application more and more widely; For fear of nosocomial infection, the consumption of the disposable puncture device that uses in the laparoscopic surgery (Trocar) is also increasing, on the basis that guarantees serviceability; Simplified structure; Reduce cost, improve performance, this trend has become the improved direction of perforator.
The hermetically-sealed construction of the perforator of prior art is made up of radial direction seal ring and check valve.Wherein common check valve, promptly axial sealer has two kinds.One of which is a spring pressuring plate formula structure, promotes baffle plate compressing silica gel sealing ring through spring leaf and forms sealing.Be made up of spring leaf, baffle plate, silica gel sealing ring, spring leaf, baffle plate adopt the rustless steel manufacturing usually, and the sealing ring of this form often uses in the perforator of nonexpondable made, and this perforator price is more expensive, and weight is heavier.In recent years; In order to adapt to the needs of disposable puncture device development; Developed the infundibulate silica gel sealing ring, this infundibulate silica gel sealing ring has a through otch of straight line in funnel shaped bottom, utilizes the pressure that the carbon dioxide pneumoperitoneum forms in contractility and the use of silica gel itself; Reach the effect of sealing, this infundibulate silica gel sealing ring is widely used in disposable puncture device usually.Radial direction seal ring adopts the funnel-shaped structure of band centre bore usually, and this sealing ring leaks when operating theater instruments is rocked especially easily, the dynamic seal (packing) weak effect.In addition, in the medical silica-gel sealing ring at 4mm, when inserting the operating theater instruments of 10mm or 12mm, the reciprocating resistance of operating theater instruments is also big, and this has brought inconvenience for doctor's operation technique.
In addition; The head of operating theater instruments has various shape, particularly is similar to the operating theater instruments of this type of titanium clamp pincers, is passing through perforator when intraperitoneal is sent; Its binding clip is open V font, and the infundibulate silica gel sealing ring of prior art often can't pass through this type operating forceps.The another one shortcoming of V word infundibulate silica gel sealing ring is the operating theater instruments of or raised step fluted to heads such as ultrasound knifes, when withdrawing from, blocks operating theater instruments easily, and it is not smooth to move.
Thereby need improvement to have the apex combustion seal of perforator now; To reach the apparatus that on diameter is the perforator of 10mm, not only can use 10mm; And can use the operating theater instruments of any diameter between 5mm～10mm; Equally on diameter is the perforator of 12mm, not only can use the apparatus of 12mm, and can use the operating theater instruments of any diameter between 5mm～12mm, reach general purpose.Simultaneously, the apex combustion seal of the perforator after this improvement can adapt to various difform operating theater instruments, make things convenient for the entering of apparatus and withdraw from, and resistance is low, and motion is smooth.Obviously, the sealing device of prior art and perforator still can not satisfy this requirement, thereby need improve.
Summary of the invention
The object of the present invention is to provide a kind of sealing device of perforator use and the perforator that has used this sealing device, can use the operating theater instruments of any diameter between 5mm～12mm, realized its versatility; Not only require good sealing effect, and the lower resistance will realize that operating theater instruments moves back and forth above that the time.
The core of the present invention's technical scheme is:
The diameter D14 of wasp waist part of the wasp waist shape funnel structure through guiding governor motion (1) answers the external diameter of operating theater instruments from innervation; By the coordination exercise between the load limit (32) of rotating shaft (101), wasp waist adjusting fulcrum (104), expansion limit (105) and sealing ring; Come the diameter D31 of the operating theater instruments through hole (31) of adjustment sealing ring automatically; Reach the external diameter of the different surgery apparatus of automatic adaptation insertion, both realized sealing, keep the lower resistance of motion again.
The present invention's radially all-purpose sealed device is achieved in that
The radially all-purpose sealed device that is used for perforator, said sealing device contain guiding governor motion (1), housing (2), sealing ring (3) and rotating mechanism (4).Wherein:
Said guiding governor motion (1) contains the guiding regulating block (10) more than 2 or 2, is combined to form the wasp waist shape funnel structure that the upper end is big, the centre is little, the lower end is big between each regulating block that leads (10).The diameter of the wasp waist part of wasp waist shape funnel structure is D14, and diameter D14 is between 0mm～25mm, and preferred values is between 2mm～15mm.
Said guiding regulating block (10) contains rotating shaft (101), upward spigot surface (102), following spigot surface (103), wasp waist are regulated fulcrum (104) and expansion limit (105).Between last spigot surface (102) and the following spigot surface (103) is the rounding off structure, and this rounding off structure forms wasp waist and regulates fulcrum (104).The angle β that forms between last spigot surface (102) and the following spigot surface (103) is between 0 °～180 °, and preferred values is between 20 °～150 °.Rotating shaft (101) is contained in the end of last spigot surface (102); Expansion limit (105) is contained in the edge of following spigot surface (103); Guiding regulating block (10) is the center swing with rotating shaft (101); Guiding regulating block (10) is swing outwards, makes expansion limit (105) expand outwardly; Guiding regulating block (10) is swing inwardly, makes expansion limit (105) inwardly shrink.
Said housing (2) is a shell structure; The top that the housing (2) of sealing ring (3) can be installed in inside is contained can let the lamina tecti (21) of the band through hole that rotating mechanism (4) slides above that.
Load limit (32), the buffer structure (33) that deforms easily and the mounting edge (34) of fixed seal ring on housing that sealing ring (3) contains operating theater instruments through hole (31), matches with the expansion limit (105) of guiding governor motion (1); The diameter D31 of operating theater instruments through hole (31) is less than the diameter D14 of the wasp waist part of the wasp waist shape funnel structure of guiding governor motion (1).
Rotating mechanism (4) contains upper limit plate (41), lower limiting board (42), locating slot (43) and sports limiting groove (44); Upper limit plate (41) forms fit structure with lower limiting board (42); Rotating shaft (101) is installed in the locating slot (43) movingly, the motion amplitude of sports limiting groove (44) restriction rotating shaft (101).
The rotating shaft (101) of guiding governor motion (1) is installed in the locating slot (43) of rotating mechanism (4) movingly, and expansion limit (105) is embedded in the load limit (32) of sealing ring (3), and sealing ring (3) is installed in the housing (2).
Further; Said sealing device; When inserting operating theater instruments, the diameter D14 of the wasp waist part of the wasp waist shape funnel structure of guiding governor motion (1) progressively increases, and regulating fulcrum (104) with wasp waist is fulcrum; The outwards motion of the expansion limit (105) of guiding governor motion promotes the outwards motion of load limit (32) of sealing ring; Outwards the pulling force that produces of motion makes the diameter D31 of operating theater instruments through hole (31) of sealing ring become big; But less than the diameter D14 of wasp waist part of the wasp waist shape funnel structure of guiding governor motion (1), play the effect of encircling operating theater instruments all the time, realize sealing.
Said sealing device; When withdrawing from operating theater instruments, the diameter D14 of the wasp waist part of the wasp waist shape funnel structure of guiding governor motion (1) progressively diminishes, and regulating fulcrum (104) with wasp waist is fulcrum; The inwardly motion of the expansion limit (105) of guiding governor motion; Drive the inwardly motion of load limit (32) of sealing ring, and under the effect of the elastic-restoring force of sealing ring (3) itself, operating theater instruments through hole (31) is returned to green diameter.
Said sealing ring (3) contains locating hole (321); Locating hole (321) is to be used to connect the through hole on expansion limit (105) of governor motion of leading, and is arranged on the load limit (32) of sealing ring (3).
Said guiding regulating block (10) contains location hook (1051), and location hook (1051) is the step of convexity that is used to connect the load limit (32) of sealing ring.
Contain the ripple or the folded wrinkle structure (311) that deform easily near the operating theater instruments through hole (31) of said sealing ring (3).
The buffer structure (33) of said sealing ring (3) is ripple struction or the folded wrinkle structure (331) that deforms easily.
The present invention also provides a kind of perforator:
Said perforator contains the present invention's radially all-purpose sealed device (5).
Further, said perforator is made up of sheath pipe (7) and puncturing lever (8), it is characterized in that said sheath pipe (7) contains radial seal module (71), check valve module (72) and outer tube (73); Radial seal module (71) contains the described radially all-purpose sealed device of claim 1 (5); Check valve module (72) is installed together through the embossed card fit structure is dismountable with radial seal module (71); Outer tube (73) links together through embossed card fit structure or screw connection structure and check valve module (72).
Said perforator is characterized in that said radial seal module (71) contains the described radially all-purpose sealed device of claim 1 (5), housing (711), top board (712), lower platen (713), fixing ring (714); The described radially all-purpose sealed device of claim 1 (5) is installed in the housing (711); Top board (712) is pressed on the mounting edge (34) of sealing ring (3) of said sealing device (5); Fixing ring (714) is installed between top board (712) and the housing (711); Lower platen (713) is pushed down in fixing ring (714), and passes through the embossed card matching and fixing on housing (711); The rotating mechanism (4) of said sealing device (5) is installed between the end cap (7111) of lamina tecti (21) and housing (711) movingly.
In addition, said sealing ring (3) adopts the manufacturing of elasticity medical macromolecular materials.Said medical flexible macromolecular material is selected from: medical silica-gel, medical grade rubber, medical polyurethane, medical latex etc. and their combination.
Said guiding governor motion (1), housing (2), rotating mechanism (4), sheath pipe (7), puncturing lever (8) adopt medical macromolecular materials or medical metal material manufacturing; Be selected from: medical macromolecular materials such as medical PC, PU, PP, PA, PE or the like; Or medical metal material, like medical stainless steel, medical titanium or titanium alloy, medical titanium nickel shape memory alloy, titanium zirconium-niobium alloy or the like.
The present invention's the radially all-purpose sealed device and the perforator that are used for perforator; The diameter D14 of wasp waist part of the wasp waist shape funnel structure through the guiding governor motion answers the external diameter of operating theater instruments from innervation; And the size of the diameter of corresponding adjustment sealing ring operating theater instruments through hole; Have the function of the external diameter that adapts to operating theater instruments intelligently, resistance is low when not only moving, and good sealing effect.
The present invention's the radially all-purpose sealed device and the perforator that are used for perforator, when the varying in size of the external diameter that inserts operating theater instruments, the guiding regulating block of guiding governor motion has the different motion amplitudes that expands outwardly.
The guiding regulating block of guiding governor motion is the center with the rotating shaft, and regulating fulcrum with operating theater instruments external diameter and wasp waist is automatic induced adjusting fulcrum, makes the guiding regulating block outwards carry out extensional motion.Outwards moving in the expansion limit, outwards moves in the load limit that promotes sealing ring.The pulling force that outwards moves and produce in the load limit makes the diameter of operating theater instruments through hole of sealing ring become big, thereby has realized the size according to the external diameter that inserts operating theater instruments, adjusts the purpose of the operating theater instruments through-hole diameter size of sealing ring.The diameter of the adjusted operating theater instruments through hole of sealing ring is slightly less than the external diameter of the operating theater instruments of insertion all the time, plays the effect of both encircling operating theater instruments, realizes sealing; Being unlikely to again has the too big power of encircling, and keeps the low resistance of motion.
In addition; The cooperation between the locating hole (321) that is provided with is gone up on the load limit (32) of the following spigot surface (103) of the present invention's sealing device, the location hook (1051) that on the expansion limit, is provided with and sealing ring; Not only when apparatus work, have guide function, and outwards return the skull patch that can also prevent sealing ring when removing in operating theater instruments.The skull patch of sealing ring can increase operating theater instruments greatly and return the resistance when removing, and the present invention's sealing device has effectively been avoided the skull patch phenomenon.
Adopt the present invention's sealing device and perforator, can insert diameter arbitrarily is the operating theater instruments between the 15mm to 3mm, in the lower resistance of motion of maintenance, has good dynamic sealing performance.
Description of drawings
Fig. 1 is the structural representation of the present invention's radially all-purpose sealed device.
Structural representation when Fig. 2 is the present invention's the insertion operating theater instruments of radially all-purpose sealed device.
Through regulating the angle β between spigot surface and the following spigot surface; And the distance L between the expansion limit of the wasp waist adjusting fulcrum of guiding regulating block and guiding regulating block; Be regulating arm L; Can adjust the outwards amplitude of motion of sealing ring load limit (32), thus the distortion pulling force of adjustment sealing ring bottom (35), the diameter of adjustment sealing ring operating theater instruments through hole (31).The direction of arrow is direction of pull among the figure.
Fig. 3 is that operating theater instruments is fully through the structural representation behind the present invention's the radially all-purpose sealed device.
Fig. 4 is the structural representation of the present invention's radially all-purpose sealed device when overlooking.
Fig. 5 is the upward view of Fig. 4.
Fig. 6 is the front view of Fig. 4.
Fig. 7 be Fig. 6 the A-A cutaway view.
Fig. 8 is the perspective view of the present invention's radially all-purpose sealed device.
Perspective view when Fig. 9 is looking up of Fig. 8.
Figure 10 is the explosive view of Fig. 8.
Figure 10-the 1st, the structural representation of the present invention's guiding regulating block.
Figure 10-the 2nd, the structural representation at the expansion limit of Figure 10-1, location hook and reinforcement place.
Figure 10-the 3rd, spigot surface on Figure 10-1, spigot surface and move back the structural representation at nib place down.
Figure 10-the 4th, the location hook of Figure 10-1 and wasp waist are regulated the structural representation at fulcrum place.
Figure 10-5 is that 4 guiding regulating blocks are combined into the structural representation when leading governor motion.
Figure 11-the 1st, the perspective view of the present invention's sealing ring.
Figure 11-the 2nd, the vertical view of Figure 11-1.
Figure 11-the 3rd, Figure 10-2 the B-B cutaway view.
Figure 11-the 4th, the perspective view during the looking up of Figure 11-1.
Figure 11-the 5th, the upward view of Figure 11-1.
Figure 11 is the structural representation of the present invention's wedged bottom shape sealing ring.
Figure 12 is the structural representation of the present invention's reinforcement O-ring seal.
Figure 13 is the structural representation of shape sealing ring at the bottom of the present invention's the ripple.
Figure 14-the 1st, the present invention's 3 chips are the structural representation of all-purpose sealed device radially.
Figure 14-the 2nd, the present invention's 6 chips are the structural representation of all-purpose sealed device radially.
Figure 15-the 1st, the structural representation of the present invention's perforator.
Figure 15-the 2nd, the structural representation of the sheath pipe of the present invention's perforator.
Figure 15-the 3rd, the structural representation of the side view of the sheath pipe of the present invention's perforator.
Figure 15-the 4th, the structural representation of the front view of the sheath pipe of the present invention's perforator.
Among the above-mentioned figure:
1 is the guiding governor motion, and 2 are guiding governor motion housing, and 3 is sealing ring, and 4 is rotating mechanism, and 5 are the present invention's radially all-purpose sealed device, and 7 is the sheath pipe, and 8 is puncturing lever, and 9 is operating theater instruments;
10 are the guiding regulating block, and 100 are the gap between the guiding regulating block, 101 rotating shafts for the guiding regulating block; 102 last spigot surfaces for the regulating block that leads, 103 following spigot surfaces, 104 wasp waist adjusting fulcrums for the guiding regulating block for the guiding regulating block; 105 expansion limits for the guiding regulating block; 106 the nibs that move back for the guiding regulating block, 107 reinforcements, 1051 location hooks for the guiding regulating block for the guiding regulating block;
21 lamina tectis for guiding governor motion housing, 22 housing lower covers, 23 housing lower ends for the guiding governor motion for the guiding governor motion;
31 is the operating theater instruments through hole of sealing ring, and 32 is the load limit of sealing ring, and 33 is the buffer structure of sealing ring; 34 is the mounting edge of sealing ring; 35 is the bottom of sealing ring, and 311 is the ripple that deforms easily or the folded wrinkle structure on the operating theater instruments through hole limit of sealing ring, and 312 is near the reinforcing ring of operating theater instruments through hole of sealing ring; 321 is the locating hole on the load limit of sealing ring, and 331 is the ripple struction that deforms easily or the folded wrinkle structure of the buffer structure of sealing ring.
41 is the upper limit plate of rotating mechanism, and 42 is the lower limiting board of rotating mechanism, and 43 is the locating slot of rotating mechanism, and 44 is the sports limiting groove of rotating mechanism.
71 is the radial seal module of the present invention's perforator, and 72 are the present invention's check valve module, and 73 is the outer tube of the present invention's perforator; 711 is the housing of the present invention's perforator; 712 is the top board of the present invention's perforator, and 713 is the lower platen of the present invention's perforator, and 714 is the fixing ring of the present invention's perforator; 720 housings for the check valve module of the present invention's perforator; 721 is the check valve of the present invention's perforator, and 722 perforators for the present invention connect the grab that the embossed card between radial seal module and the check valve module cooperates, and 723 is the breather valve of the present invention's perforator; 731 for the present invention's the perforator sheath pipe outer tube and the end cap seal circle of check valve module; 732 are the anti-skidding agnail on the outer tube of the present invention's perforator, 7111 end caps for the present invention's perforator, the 7202 housing lower ends for the check valve module of the present invention's perforator;
β is the angle that forms between last spigot surface and the following spigot surface;
L is the distance between the expansion limit of the wasp waist adjusting fulcrum of guiding regulating block and the regulating block that leads, i.e. regulating arm.
The specific embodiment
Embodiment 1: the present invention's radially all-purpose sealed device
Referring to figs. 1 to Figure 13,, design concrete detail drawing according to the present invention's technical scheme.
Guiding governor motion (1), guiding governor motion housing (2), rotating mechanism (4) adopt the medical macromolecular materials manufacturing, and material is selected from: include but not limited to medical plastics such as medical PC, medical PP, medical PE, medical PU, medical PA.Wherein, the superslide material coating can be set on last spigot surface (102) and the following spigot surface (103) and reduce the operating theater instruments frictional resistance in when motion.
Sealing ring (3) adopts the medical elastic material manufacture, includes but not limited to: flexible medical materials such as medical silica-gel, medical grade rubber, medical polyurethane, medical latex.Sjiao
During assembling, successively the location hook (1051) on the expansion limit (105) of 4 guiding regulating blocks (10) is bumped in the load limit (32) of sealing ring (3), and makes location hook (1051) be installed in the interior syndeton that forms of locating hole (321) of load limit (32).Be combined to form the wasp waist shape funnel structure that the upper end is big, the centre is little, the lower end is big between 4 guiding regulating blocks (10).The diameter of the wasp waist part of wasp waist shape funnel structure is D14, and diameter D14 is between 0mm～25mm, and preferred values is between 2mm～15mm.With reference to Figure 10 and Figure 10-5.
Guiding regulating block (10) that assembles and sealing ring (3) are installed in the housing (2) of guiding governor motion, make the installation limit (34) of sealing ring be embedded in the lower surface (23) of housing (2), and the buffer structure (33) of sealing ring is placed in the space of housing (2).
At last, the rotating shaft (101) of regulating block (10) of will leading is installed in the locating slot (43) of rotating mechanism (4), and upper limit plate (41) that cooperatively interacts and lower limiting board (42) are installed in the locating slot (43) rotating shaft (101) is movable.Rotating mechanism (4) can be free to slide on the lamina tecti (21) of housing (2).Promptly obtained the present invention's radially all-purpose sealed device (5).
When inserting operating theater instruments (9); Guiding regulating block (10) expands outwardly; Gap (100) between each regulating block that leads (10) increases, and expansion limit (105) is motion outwards, thereby drives the outwards motion of load limit (32) that is embedded on the expansion limit (105); The outside motion on load limit (32) causes the bottom (35) of sealing ring (3) to receive outside pulling force; Make operating theater instruments through hole (31) diameter of sealing ring (3) increase, reach, come to regulate automatically the big or small purpose of sealing ring operating theater instruments through hole (31) according to the size of inserting the operating theater instruments external diameter.So both kept the encircle power suitable, the lower resistance when having kept motion again to operating theater instruments.
Through regulating the angle β between spigot surface and the following spigot surface; And the distance L between the expansion limit of the wasp waist adjusting fulcrum of guiding regulating block and guiding regulating block; Be regulating arm L; Can adjust the outwards amplitude of motion of sealing ring load limit (32), thus the distortion pulling force of adjustment sealing ring bottom (35), the diameter of adjustment sealing ring operating theater instruments through hole (31).Usually, after operating theater instruments was inserted, the diameter of the sealing ring operating theater instruments through hole (31) of process adjustment was 90%～50% of an operating theater instruments external diameter, promptly can keep the good sealing and the lower resistance of motion.
When withdrawing from operating theater instruments; The diameter D14 of the wasp waist part of the wasp waist shape funnel structure of guiding governor motion (1) progressively diminishes; Regulating fulcrum (104) with wasp waist is fulcrum, and the inwardly motion of the expansion limit (105) of guiding governor motion drives the inwardly motion of load limit (32) of sealing ring; And under the effect of the elastic-restoring force of sealing ring (3) itself, operating theater instruments through hole (31) is returned to green diameter.
In addition; For easy for installation; Can also outside the mounting edge (34) of sealing ring (3), increase housing lower cover (22); The purpose that increases lower cover (22) is to guarantee that the mounting edge (34) of sealing ring is not easy to deform the assembling speed during with the raising batch process when the present invention's radially all-purpose sealed device (5) is installed to the housing (711) of perforator in.
The sealing ring (3) of the present invention's radially all-purpose sealed device (5) can have different designs; Can be designed to the thickening degree in the bottom (35) of sealing ring; As locate near load limit (32) thicker, and locate near apparatus through hole (31) thinner, can improve like this insert operating theater instruments after; Reaction sensitivity when operating theater instruments through hole (31) increases is with reference to Figure 11.
Figure 12 has provided the another one embodiment of the present invention's sealing device, has increased reinforcing ring (312) near the operating theater instruments through hole (31) of sealing ring (3) in the present embodiment, and the purpose that reinforcing ring (312) is set is to improve the encircle power of sealing ring to operating theater instruments.
Figure 13 has provided the another one embodiment of the present invention's sealing device, has increased ripple or folded wrinkle structure (311) in the present embodiment near the operating theater instruments through hole (31) of sealing ring (3).The purpose that increases ripple or folded wrinkle structure (311) is to let bottom (35) easy deformation more of sealing ring, reduces the logical out of date resistance of operating theater instruments.
Among Figure 14-1, provide the another one embodiment of the present invention's sealing device, adopted 3 guiding regulating blocks (10) to form guiding mechanism (1) in the present embodiment.3 guiding regulating blocks (10) are combined to form the wasp waist shape funnel structure that the upper end is big, the centre is little, the lower end is big.
Among Figure 14-2, provide the another one embodiment of the present invention's sealing device, adopted 6 guiding regulating blocks (10) to form guiding mechanism (1) in the present embodiment.6 guiding regulating blocks (10) are combined to form the wasp waist shape funnel structure that the upper end is big, the centre is little, the lower end is big.
The present invention's sealing device; The wasp waist part of wasp waist shape funnel structure with the guiding governor motion is self-regulating fulcrum, regulates the coordination exercise between the load limit of fulcrum, expansion limit and sealing ring through rotating shaft, wasp waist, through the size of automatic induction operating theater instruments external diameter; Come the diameter of the operating theater instruments through hole of adjustment sealing ring automatically; Reach the purpose of the different surgery apparatus of automatic adaptation insertion, both realized the low resistance of motion, keep excellent sealing performance again.
Embodiment 2: the present invention's perforator
With reference to figure 1, Fig. 2, Fig. 3, Figure 15-1 is to Figure 15-4.
In the present embodiment, the radially all-purpose sealed device that includes the present invention in the perforator.
In the present embodiment, perforator is made up of sheath pipe (7) and puncturing lever (8).Said sheath pipe (7) contains radial seal module (71), check valve module (72) and outer tube (73).
Said radial seal module (71) contains shell (711), the present invention's radially all-purpose sealed device (5), top board (712), lower platen (713), fixing ring (714).The present invention's all-purpose sealed device (5) is installed in the shell (711).Top board (712) is pushed down the mounting edge (34) of the present invention's sealing device (5), between top board (712) and the lower platen (713) fixing ring (714) is installed.Lower platen (713) is pushed down fixing ring (714), and is fixed in the draw-in groove of shell (711).The rotating mechanism of the present invention's sealing device (4) can slide in the space between the shell end cap (7111) of the lamina tecti (21) of the housing (2) of the present invention's sealing device and perforator.When the operating theater instruments of inserting was rocked, this rotating mechanism (4) drives guiding governor motion (1) and sealing ring (3) is done motion accordingly, keeps good sealing effectiveness simultaneously.Referring to figs. 1 to Fig. 3.
Said check valve module (72) contains housing (720), check valve (721), grab (722) and breather valve (723).Check valve (721) is installed in the housing (720), and grab (722) and breather valve (723) are installed on the housing (720).Check valve module (72) cooperates through the embossed card that grab (722) constitutes with radial seal module (71), forms dismountable syndeton.Referring to figs. 1 to Fig. 3, Figure 15-3, Figure 15-4.
Outer tube is the light-wall pipe of band agnail (732), and the housing lower end (7202) of the end of outer tube through end cap seal circle (731) and check valve module (72) is through the connected mode that is threaded or embossed card cooperates, and formation is tightly connected.Referring to figs. 1 to Fig. 3, Figure 15-3, Figure 15-4.
Puncturing lever (8) can be inserted in the present invention's the sheath pipe (7) of perforator, also can in sheath pipe (7), extract.With reference to figure 15-1.
When inserting operating theater instruments; The diameter D14 of the wasp waist part of the wasp waist shape funnel structure of guiding governor motion (1) progressively increases; Regulating fulcrum (104) with wasp waist is fulcrum, and the outwards motion of the expansion limit (105) of guiding governor motion promotes the outwards motion of load limit (32) of sealing ring; Outwards the pulling force that produces of motion makes the diameter D31 of operating theater instruments through hole (31) of sealing ring become big; But less than the diameter D14 of wasp waist part of the wasp waist shape funnel structure of guiding governor motion (1), play the effect of encircling operating theater instruments all the time, realize sealing.
When withdrawing from operating theater instruments; The diameter D14 of the wasp waist part of the wasp waist shape funnel structure of guiding governor motion (1) progressively diminishes; Regulating fulcrum (104) with wasp waist is fulcrum, and the inwardly motion of the expansion limit (105) of guiding governor motion drives the inwardly motion of load limit (32) of sealing ring; And under the effect of the elastic-restoring force of sealing ring (3) itself, operating theater instruments through hole (31) is returned to green diameter.
It is to be noted; Base case according to the present invention; Those skilled in the art can also design various concrete embodiments, but its core content is: the diameter D14 of the wasp waist part of the wasp waist shape funnel structure through guiding governor motion (1) answers the external diameter of operating theater instruments from innervation, is regulated the coordination exercise between the load limit (32) of fulcrum (104), expansion limit (105) and sealing ring by rotating shaft (101), wasp waist; Come the diameter D31 of the operating theater instruments through hole (31) of adjustment sealing ring automatically; Reach the external diameter of the different surgery apparatus of automatic adaptation insertion, both realized sealing, keep the motion lower resistance again.
In addition, the puncturing lever (8) that the present invention's perforator uses can be the puncturing lever of band protection cutter head, also can be the puncturing lever of not being with the protection cutter head, like triangle tooth shape puncturing lever, conical blunt nosed puncturing lever, blunt nosed puncturing lever of flank or the like is arranged.
Check valve (721) can also adopt other various check valves except the silica gel yi word pattern check valve that present embodiment is showed, like flip-shell check valve apparatus, ball sealing one way valve assembly etc., or select other widely used various check valves on perforator for use.
Should be noted that open structure with explanation can use the identical structure of other effect to replace among this paper, the embodiment that the present invention introduced simultaneously realizes unique structure of the present invention.Though preferential embodiment of the present invention introduces in this article and explains; But those skilled in the art know and know that these embodiment illustrate; Those skilled in the art can make countless variations, improvement and replacement; And can not break away from the present invention, therefore, should limit protection scope of the present invention according to the spirit and the scope of appending claims of the present invention.
Claims (9)
1. be used for the radially all-purpose sealed device of perforator, it is characterized in that:
Said sealing device contains guiding governor motion (1), housing (2), sealing ring (3) and rotating mechanism (4);
Guiding governor motion (1) contains the guiding regulating block (10) more than 2 or 2, is combined to form the wasp waist shape funnel structure that the upper end is big, the centre is little, the lower end is big between each regulating block that leads (10).The diameter of the wasp waist part of wasp waist shape funnel structure is D14, and diameter D14 is between 0mm～25mm, and preferred values is between 2mm～15mm;
Guiding regulating block (10) contains rotating shaft (101), upward spigot surface (102), following spigot surface (103), wasp waist are regulated fulcrum (104) and expansion limit (105); Between last spigot surface (102) and the following spigot surface (103) is the rounding off structure, and this rounding off structure forms wasp waist and regulates fulcrum (104); The angle β that forms between last spigot surface (102) and the following spigot surface (103) is between 0 °～180 °, and preferred values is between 20 °～150 °; Rotating shaft (101) is contained in the end of last spigot surface (102); Expansion limit (105) is contained in the edge of following spigot surface (103); Guiding regulating block (10) is the center swing with rotating shaft (101); Guiding regulating block (10) is swing outwards, makes expansion limit (105) expand outwardly; Guiding regulating block (10) is swing inwardly, makes expansion limit (105) inwardly shrink;
Housing (2) is a shell structure; The top that the housing (2) of sealing ring (3) can be installed in inside is contained can let the lamina tecti (21) of the band through hole that rotating mechanism (4) slides above that;
Load limit (32), the buffer structure (33) that deforms easily and the mounting edge (34) of fixed seal ring on housing that sealing ring (3) contains operating theater instruments through hole (31), matches with the expansion limit (105) of guiding governor motion (1); The diameter D31 of operating theater instruments through hole (31) is less than the diameter D14 of the wasp waist part of the wasp waist shape funnel structure of guiding governor motion (1);
Rotating mechanism (4) contains upper limit plate (41), lower limiting board (42), locating slot (43) and sports limiting groove (44); Upper limit plate (41) forms fit structure with lower limiting board (42); Rotating shaft (101) is installed in the locating slot (43) movingly, the motion amplitude of sports limiting groove (44) restriction rotating shaft (101);
The rotating shaft (101) of guiding governor motion (1) is installed in the locating slot (43) of rotating mechanism (4) movingly, and expansion limit (105) is embedded in the load limit (32) of sealing ring (3), and sealing ring (3) is installed in the housing (2).
2. according to the said radially all-purpose sealed device that is used for perforator of claim 1; It is characterized in that said sealing device; When inserting operating theater instruments, the diameter D14 of the wasp waist part of the wasp waist shape funnel structure of guiding governor motion (1) progressively increases, and regulating fulcrum (104) with wasp waist is fulcrum; The outwards motion of the expansion limit (105) of guiding governor motion promotes the outwards motion of load limit (32) of sealing ring; Outwards the pulling force that produces of motion makes the diameter D31 of operating theater instruments through hole (31) of sealing ring become big; But less than the diameter D14 of wasp waist part of the wasp waist shape funnel structure of guiding governor motion (1), play the effect of encircling operating theater instruments all the time, realize sealing;
Said sealing device; When withdrawing from operating theater instruments, the diameter D14 of the wasp waist part of the wasp waist shape funnel structure of guiding governor motion (1) progressively diminishes, and regulating fulcrum (104) with wasp waist is fulcrum; The inwardly motion of the expansion limit (105) of guiding governor motion; Drive the inwardly motion of load limit (32) of sealing ring, and under the effect of the elastic-restoring force of sealing ring (3) itself, operating theater instruments through hole (31) is returned to green diameter.
3. according to the said radially all-purpose sealed device that is used for perforator of claim 1, it is characterized in that said sealing ring (3) contains locating hole (321); Locating hole (321) is to be used to connect the through hole on expansion limit (105) of governor motion of leading, and is arranged on the load limit (32) of sealing ring (3).
4. according to the said radially all-purpose sealed device that is used for perforator of claim 1, it is characterized in that said guiding regulating block (10) contains location hook (1051), location hook (1051) is the step of convexity that is used to connect the load limit (32) of sealing ring.
5. according to the said radially all-purpose sealed device that is used for perforator of claim 1, it is characterized in that said sealing ring (3) operating theater instruments through hole (31) near contain ripple or the folded wrinkle structure (311) that deforms easily.
6. according to the said radially all-purpose sealed device that is used for perforator of claim 1, the buffer structure (33) that it is characterized in that said sealing ring (3) is ripple struction or the folded wrinkle structure (331) that deforms easily.
7. perforator is characterized in that said perforator comprises the described radially all-purpose sealed device of claim 1 (5).
8. according to the said perforator of claim 7, said perforator is made up of sheath pipe (7) and puncturing lever (8), it is characterized in that sheath pipe (7) contains radial seal module (71), check valve module (72) and outer tube (73); Radial seal module (71) contains the described radially all-purpose sealed device of claim 1 (5); Check valve module (72) is installed together through the embossed card fit structure is dismountable with radial seal module (71); Outer tube (73) links together through embossed card fit structure or screw connection structure and check valve module (72).
9. said according to Claim 8 perforator is characterized in that said radial seal module (71) contains the described radially all-purpose sealed device of claim 1 (5), housing (711), top board (712), lower platen (713), fixing ring (714); The described radially all-purpose sealed device of claim 1 (5) is installed in the housing (711); Top board (712) is pressed on the mounting edge (34) of sealing ring (3) of said sealing device (5); Fixing ring (714) is installed between top board (712) and the housing (711); Lower platen (713) is pushed down in fixing ring (714), and passes through the embossed card matching and fixing on housing (711); The rotating mechanism (4) of said sealing device (5) is installed between the end cap (7111) of lamina tecti (21) and housing (711) movingly.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110051473.0A CN102652688B (en) | 2011-03-03 | 2011-03-03 | The all-purpose sealed device of radial direction for perforator and perforator |
| PCT/CN2012/071823 WO2012116649A1 (en) | 2011-03-03 | 2012-03-01 | Radial universal seal device for trocar and trocar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110051473.0A CN102652688B (en) | 2011-03-03 | 2011-03-03 | The all-purpose sealed device of radial direction for perforator and perforator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102652688A true CN102652688A (en) | 2012-09-05 |
| CN102652688B CN102652688B (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110051473.0A Active CN102652688B (en) | 2011-03-03 | 2011-03-03 | The all-purpose sealed device of radial direction for perforator and perforator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102652688B (en) |
| WO (1) | WO2012116649A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103263288A (en) * | 2013-05-29 | 2013-08-28 | 杭州康基医疗器械有限公司 | Multifunctional external sealing device for medical operation puncturing device |
| WO2016070797A1 (en) * | 2014-11-08 | 2016-05-12 | 周星 | Puncture device having a silencer |
| CN107334517A (en) * | 2016-12-30 | 2017-11-10 | 江苏风和医疗器材股份有限公司 | Sealing shroud and there is its puncture outfit |
| CN111904557A (en) * | 2020-09-04 | 2020-11-10 | 南通市肿瘤医院 | Puncture instrument for abdominal cavity operation |
| CN113331890A (en) * | 2021-06-03 | 2021-09-03 | 江苏人冠医疗科技有限公司 | Endoscopic surgery instrument platform |
| CN113425394A (en) * | 2021-07-21 | 2021-09-24 | 常州安康医疗器械有限公司 | Disposable puncture ware sealing mechanism |
| WO2023160469A1 (en) * | 2022-02-22 | 2023-08-31 | 上海微创医疗机器人（集团）股份有限公司 | Puncture apparatus and sealing structure |
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| CN201205300Y (en) * | 2008-04-18 | 2009-03-11 | 周星 | General radial sealing ring of puncture outfit and puncture outfit |
| US20100016799A1 (en) * | 2008-07-09 | 2010-01-21 | Aesculap Ag | Surgical protection device for a surgical sealing element and surgical sealing system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103263288A (en) * | 2013-05-29 | 2013-08-28 | 杭州康基医疗器械有限公司 | Multifunctional external sealing device for medical operation puncturing device |
| CN103263288B (en) * | 2013-05-29 | 2015-10-28 | 杭州康基医疗器械有限公司 | Be exclusively used in the multi-functional outer sealing device of medical operating perforator |
| WO2016070797A1 (en) * | 2014-11-08 | 2016-05-12 | 周星 | Puncture device having a silencer |
| CN107334517A (en) * | 2016-12-30 | 2017-11-10 | 江苏风和医疗器材股份有限公司 | Sealing shroud and there is its puncture outfit |
| CN107334517B (en) * | 2016-12-30 | 2020-12-15 | 江苏风和医疗器材股份有限公司 | Seal cover and puncture outfit with same |
| CN111904557A (en) * | 2020-09-04 | 2020-11-10 | 南通市肿瘤医院 | Puncture instrument for abdominal cavity operation |
| CN111904557B (en) * | 2020-09-04 | 2021-05-14 | 南通市肿瘤医院 | Puncture instrument for abdominal cavity operation |
| CN113331890A (en) * | 2021-06-03 | 2021-09-03 | 江苏人冠医疗科技有限公司 | Endoscopic surgery instrument platform |
| CN113425394A (en) * | 2021-07-21 | 2021-09-24 | 常州安康医疗器械有限公司 | Disposable puncture ware sealing mechanism |
| WO2023160469A1 (en) * | 2022-02-22 | 2023-08-31 | 上海微创医疗机器人（集团）股份有限公司 | Puncture apparatus and sealing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102652688B (en) | 2016-04-06 |
| WO2012116649A1 (en) | 2012-09-07 |
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Effective date of registration: 20170327 Address after: 510663 Guangzhou economic and Technological Development Zone, Guangdong City, Guangzhou science and Technology Zone International Business Incubator A District A601 Patentee after: Guangzhou Dike Medical Equipment Co., Ltd. Address before: 510663 Guangzhou economic and Technological Development Zone, Guangdong Science City, international business incubator A District A601 Patentee before: Zhou Xing |
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