CN103462656A - Minimally invasive mitral valve retractor - Google Patents
Minimally invasive mitral valve retractor Download PDFInfo
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- CN103462656A CN103462656A CN2013103703413A CN201310370341A CN103462656A CN 103462656 A CN103462656 A CN 103462656A CN 2013103703413 A CN2013103703413 A CN 2013103703413A CN 201310370341 A CN201310370341 A CN 201310370341A CN 103462656 A CN103462656 A CN 103462656A
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- angle adjusting
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- rake angle
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Abstract
The invention provides a minimally invasive mitral valve reactor comprising a rake-angle adjusting bar (1), a guide bar (2), a fastening portion (5) and a self-positioning expanding unit (6). The rake-angle adjusting bar (1) can be slidably inserted into and pass through the guide bar (2); a through hole is formed in the top of the fastening portion (5), the lower portion of the guide bar (2) is inserted into the through hole of the fastening portion (5) in a fastened manner, and when the rake-angle adjusting bar (1) slides in the guide bar (2), the guide bar (2) is fixed relatively to the fastening portion (5); the lateral side of the fastening portion (5) is pivotally connected with the self-positioning expanding unit (6), so that when the rake-angle adjusting bar (1) is adjusted to drive the fastening portion (5) to pivot, an angle between the guide bar (2) and the self-positioning expanding unit (6) can be adjusted according to the distance that the rake-angle adjusting bar (1) slides in the guide bar (2), and the self-positioning expanding unit (6) is enabled to keep in a position corresponding to the angle.
Description
Technical field
The present invention relates to medical instruments field, more specifically, relate to the Wicresoft's Bicuspid valve drag hook for using in cardiac operation.
Background technology
In cardiac operation, need many apparatuses cooperate to the operation of a certain field of operation, when the operator operates wherein a certain utensil, other utensil should stably be fixed on a certain orientation, to complete corresponding auxiliary movement.For realizing this location, generally can in operation, provide a kind of location deployment system, this location deployment system can make a certain designated cutout keep opening, in order to the tissue of otch inside is operated.
In the prior art, usually realize this positioning function with the holder that is fixed in bedside as the basis of location deployment system, but deployment system of the prior art, only to have the fixing size of opening, if need to have the different sizes of opening, needs to change the adnexa of speculum.Such operation is very loaded down with trivial details and consuming time.
Therefore, need to provide a kind of Wicresoft Bicuspid valve drag hook, the design volume of this speculum is little, locates easy to adjust fast, does not need to change the speculum adnexa and can adjust as required and open size.
Summary of the invention
For overcoming existing defect, can facilitate, stablize and realize opening quickly the adjusting of size in operation, the present invention proposes a kind of Wicresoft Bicuspid valve drag hook.This Wicresoft's Bicuspid valve drag hook comprises: the rake angle adjusting rod; Guide rod; Described rake angle adjusting rod can be slidably inserted into by described guide rod; Card-tight part, the top of described card-tight part is provided with through hole, and the bottom of described guide rod securely is inserted in the through hole of described card-tight part, and, when described rake angle adjusting rod slides in described guide rod, described guide rod is fixed with respect to described card-tight part; With self-align speculum, the sidepiece of described card-tight part engages pivotally with described self-align speculum, thereby regulating the rake angle adjusting rod when driving described card-tight part pivotable, the distance adjustment guide rod slided in guide rod according to the rake angle adjusting rod and the angle between self-align speculum, remain on the orientation corresponding with described angle described self-align speculum.
Preferably, the upper end of described rake angle adjusting rod and described guide rod is threaded connection, thereby can make the rake angle adjusting rod slide rotatably in described guide rod, the distance of sliding in described guide rod to adjust described rake angle adjusting rod.
This Wicresoft's Bicuspid valve drag hook also comprises the compression knob, and described compression knob can be set on described guide rod with regulating, and base station, described base station is set on described guide rod and is positioned at described compression knob below, be used for and the cooperation of described compression knob, thereby described Wicresoft Bicuspid valve drag hook is fixed to appropriate location, wherein said compression knob also comprises compressing heads a ball, described compression heading is arranged between described compression knob and described base station, and be set in described guide rod outside, one end of wherein said compression heading is resisted against the top of described base station, and an end of heading a ball with described compression relative other end on diameter is resisted against described compression knob, while wherein by the compression knob, compressing this compression heading, at least a portion of described compression heading can be pressed in described compression knob, and at least another part of described compression heading can be pressed in described base station, thereby make the described guide rod of described compression heading parcel, so that the relatively described base station of described guide rod is fixed.
Preferably, described self-align speculum comprises: pivoted arm, at least two are opened arm, and the end that described at least two each of opening arm are opened arm is fixed on identical vertical pivot, and can be respectively around described vertical pivot pivotable, thereby make described at least two to open between arm and have opening angle, and spring structure, described spring structure is arranged on described at least two and opens between arm, thereby for providing thrust that described at least two opening angles that open between arm can not changed, wherein, one end of described pivoted arm has transverse opening, and described vertical pivot extends to open bottom end from open top end, the top of the other end of described pivoted arm and the sidepiece of described card-tight part are pivotally connected to, thereby make described card-tight part around described self-align speculum pivotable, the other end bottom of described pivoted arm extends stretches out, and through the end of the described rake angle adjusting rod of described card-tight part, be resisted against on the bottom of the described other end of described pivoted arm, thereby make to there is stable angle between described rake angle adjusting rod and described self-align speculum when regulating described rake angle adjusting rod.
Preferably, described at least two at least one of opening in arm are opened arm and are had boss, for being convenient to by tool holding, thereby regulate during operation described at least two opening angles that open between arm.
More preferably, described at least two are opened arm and have different length, thereby can be superimposed together.
Preferably, the outside, bottom that is inserted into the described guide rod in the through hole of described card-tight part is provided with groove, and the through hole inside of the described card-tight part corresponding with the described outside of described guide rod is provided with inner convex platform, thereby described groove is inserted on described inner convex platform described guide rod is fixed in the through hole of described card-tight part.
It is a kind of for operating the method for Wicresoft's Bicuspid valve drag hook that the present invention also provides, and said method comprising the steps of: be inserted in guide rod by the rake angle adjusting rod and be inserted through described guide rod; The bottom of described guide rod securely be inserted in the through hole at card-tight part top and make described rake angle adjusting rod be inserted through described card-tight part; With
Described card-tight part is pivotally connected to self-align speculum, and makes described card-tight part relatively described self-align speculum carry out pivotable, wherein, when operation, this rake angle adjusting rod is slided in described guide rod; Described card-tight part carries out pivotable along with the slip of described rake angle adjusting rod with respect to described self-align speculum, thereby the angle between the distance adjustment guide rod slided in guide rod according to the rake angle adjusting rod and self-align speculum, and described self-align speculum is remained on the orientation corresponding with described angle.
Preferably, described rake angle adjusting rod is threaded with the upper end of described guide rod, thereby can makes the rake angle adjusting rod slide rotatably in described guide rod, the distance of sliding in described guide rod to adjust described rake angle adjusting rod.
Preferably, the method also comprises fixing described Wicresoft Bicuspid valve drag hook, and fixing described Wicresoft Bicuspid valve drag hook comprises the following steps: will compress knob can be set on described guide rod with regulating, with base station is set on described guide rod and is positioned at described compression knob below, be used for and the cooperation of described compression knob, thereby described Wicresoft Bicuspid valve drag hook is fixed to appropriate location, provide between described compression knob and described base station and compress heading, and described compression heading is set in to described guide rod outside, wherein when described compression heading is provided, comprise step: the end that described compression is headed a ball is resisted against the top of described base station, and make an end relative other end on diameter of heading a ball with described compression be resisted against described compression knob, when by the compression knob, compressing this compression heading, at least a portion of described compression heading is pressed in described compression knob, and at least another part of described compression heading is pressed in described base station, thereby make the described guide rod of described compression heading parcel, so that the relatively described base station of described guide rod is fixed.
Preferably, regulating described self-align speculum comprises the following steps: vertical pivot pivotable that at least two at least one upper-arm circumferences opened in arm are rotated on arm; And by the thrust that is arranged on described at least two spring structures that open between arm and provides, these at least two arms are remained on the opening angle needed.
Preferably, described at least two at least one of opening in arm of tool using clamping are opened the boss on arm, thereby regulate during operation described at least two opening angles that open between arm.
More preferably, make described at least two to open arm and there is different length, thereby can be superimposed together.
Preferably, the groove be arranged on the part that is inserted into described card-tight part of described guide rod is inserted on the inner convex platform of the through hole inside that is arranged on the card-tight part corresponding with the described part of described guide rod, thereby the guide rod bottom is fixed in the through hole of described card-tight part.
The orientation of opening size and whole Wicresoft Bicuspid valve drag hook that the present invention utilizes this Wicresoft's Bicuspid valve drag hook simply, fast and accurately to regulate to open arm, and do not need to carry out the replacement of any parts, and Wicresoft of the present invention Bicuspid valve hook structure is simple and volume is little, convenient operation and depositing.
The accompanying drawing explanation
Fig. 1 is the axonometric chart according to Wicresoft's Bicuspid valve drag hook of the embodiment of the present invention;
Fig. 2 is the local enlarged diagram of the first half of Wicresoft's Bicuspid valve drag hook of Fig. 1;
Fig. 3 is the local enlarged diagram of the latter half of Wicresoft's Bicuspid valve drag hook of Fig. 1;
Fig. 4 is the exploded perspective view that the guide rod of Wicresoft's Bicuspid valve drag hook of Fig. 1 is inserted into card-tight part;
Fig. 5 A is the top view of self-regulation speculum of Wicresoft's Bicuspid valve drag hook of Fig. 1;
Fig. 5 B is the sidepiece profile of self-regulation speculum of Wicresoft's Bicuspid valve drag hook of Fig. 1;
Fig. 6 A is the whole cutaway view of Wicresoft's Bicuspid valve drag hook of Fig. 1;
Fig. 6 B is the amplification detail view of the I part of Fig. 6 A; With
Fig. 6 C is the amplification detail view of the III part of Fig. 6 A.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, Wicresoft provided by the invention Bicuspid valve drag hook and operational approach thereof are described in detail.
Fig. 1 shows the axonometric chart according to Wicresoft's Bicuspid valve drag hook of the embodiment of the present invention.Fig. 2 is the local enlarged diagram of the first half of Wicresoft's Bicuspid valve drag hook of Fig. 1.Fig. 3 is the local enlarged diagram of the latter half of Wicresoft's Bicuspid valve drag hook of Fig. 1.Fig. 4 is the exploded perspective view that the guide rod of Wicresoft's Bicuspid valve drag hook of Fig. 1 is inserted into card-tight part.Fig. 5 A is the top view of self-regulation speculum of Wicresoft's Bicuspid valve drag hook of Fig. 1.Fig. 5 B is the sidepiece profile of self-regulation speculum of Wicresoft's Bicuspid valve drag hook of Fig. 1.Fig. 6 A is the whole cutaway view of Wicresoft's Bicuspid valve drag hook of Fig. 1.Fig. 6 B is the amplification detail view of the I part of Fig. 6 A.Fig. 6 C is the amplification detail view of the III part of Fig. 6 A.
As shown in Figure 1, Wicresoft's Bicuspid valve drag hook comprises rake angle adjusting rod 1, guide rod 2, card-tight part 5 and self-align speculum 6.Wherein rake angle adjusting rod 1 can be slidably inserted into by described guide rod and penetrate on the prolongation of pivoted arm 7 that card-tight part 5 is resisted against self-align speculum 6, on the part extended to the figure left side of the pivoted arm 7 as shown in Fig. 1 and Fig. 3.
Rake angle adjusting rod 1 can move along all directions (referring to the direction shown in Fig. 2 arrow), thereby self-align speculum is navigated to needed position in operation process.
As shown in Figures 3 and 4, the top of card-tight part 5 is provided with the through hole of vertical perforation, and the bottom of guide rod 2 is inserted in the through hole of this card-tight part 5.Through hole inside at card-tight part is provided with the inner convex platform (not shown), and the bottom that guide rod is inserted in through hole is provided with the groove corresponding with this boss.When assembling, inner convex platform is inserted in corresponding groove, and like this, when rake angle adjusting rod 1 slides in guide rod 2, guide rod 2 can be fixing with respect to card-tight part 5.The present invention is not limited to this, can on guide rod, be provided with projection and be provided with groove in the through hole inside of card-tight part.In addition, except the mode of the plug-in mounting of groove and inner convex platform, can also have other fixed form, such as hidden discount, knob, buckle, wedging etc., as long as can make guide rod fixing with respect to card-tight part.Like this, even at rake angle adjusting rod 1 during in the interior slip of guide rod 2, guide rod 2 also can be fixing with respect to card-tight part 5, thereby the displacement produced due to the slip with rake angle adjusting rod 2 can not occur.
Like this, as shown in Figure 3, the end that is inserted through card-tight part 5 of rake angle adjusting rod 1 drives card-tight part 5 with respect to self-align speculum 6 pivotables, thereby rake angle is changed, and finally makes self-align speculum 6 be stabilized under certain perk state.
In addition, as shown in Figure 6 C, rake angle adjusting rod 1 can be in the interior slip of guide rod 2, and this slip can provide helicitic texture to realize by the part in the outside on the top of the inside on guide rod top and rake angle adjusting rod 1 respectively.Therefore two kinds of helicitic textures are intermeshing, thereby make the rake angle adjusting rod can have in guide rod inside screw type motion, can regulate the distance that the rake angle adjusting rod slides in guide rod (that is, the rake angle adjusting rod is inserted into guide rod and penetrates the length of card-tight part 5).The present invention is not limited to this, and helicitic texture can be arranged on other position, even screw thread can be set, as long as make the rake angle adjusting rod 1 can be in guide rod 2 slides within.
Preferably, as shown in Figure 2, the top of rake angle adjusting rod 1 can have the handle of knob, thereby facilitates user to regulate the sliding distance of rake angle adjusting rod 1 in guide rod 2.Certainly, the present invention is not limited to this, and the handle of any other shape can be provided, as long as can regulate above-mentioned sliding distance.
The sidepiece of card-tight part 5 (right side shown in figure) bottom extends and engages pivotally with self-align speculum 6, thereby regulating the rake angle adjusting rod when driving described card-tight part pivotable, stretch out the length of card-tight part according to rake angle adjusting rod 1 and determine the angle (rake angle) between guide rod 5 and self-align speculum 6, thereby self-align speculum 6 is remained on the orientation corresponding with this angle.Certainly, the present invention is not limited to this, can adjust according to the use habit of user the position of self-align speculum, and other sidepiece of card-tight part 5 is engaged pivotally with self-align speculum.
As shown in Figure 5 A and 5B, self-align speculum 6 can comprise: pivoted arm 7; At least two are opened arm 8 and spring structure 10.
The end that at least two each of opening arm are opened arm is fixed on the vertical pivot be arranged on pivoted arm 7, and can be respectively around vertical pivot pivotable, thereby makes described at least two to open between arm 8 and have opening angle.
Preferably, as shown in Figure 5 A and 5B, an end of pivoted arm has transverse opening, and aforesaid vertical pivot extends to open bottom end from open top end.More preferably, the other end top of pivoted arm can have transverse pivot, card-tight part with sidepiece self-align speculum pivotal engagement, can be connected to this self-align speculum 6 by this transverse pivot, thereby make the transverse pivot pivotable of card-tight part 5 around self-align speculum 6.Certainly, the present invention is not limited to this, and card-tight part 5 can directly be pivotally connected to this self-align speculum 6 and not have this transverse pivot.
The other end bottom of pivoted arm 7 extends stretches out, and the end that penetrates this card-tight part 5 of rake angle adjusting rod 2 is resisted against on this other end bottom of pivoted arm, thereby make to there is stable angle (rake angle) between described rake angle adjusting rod and described self-align speculum when regulating described rake angle adjusting rod.
Preferably, as shown in Figure 4, the sidepiece that described at least two at least one of opening in arm are opened arm can have boss 9, and for the tool holding of for example operation surgical forceps and so on easy to use, this opens arm, thereby regulates during operation described at least two opening angles that open between arm.But the present invention is not limited to this, boss 9 can be arranged on any position of opening arm, as long as conveniently be held.
More preferably, as shown in Figures 3 and 4, at least two are opened arm and can have different length, so that can be together superimposed when not using, thereby reduce the volume of Wicresoft's Bicuspid valve drag hook, are convenient to deposit.
In addition, as shown in Fig. 6 A-6C, according to Wicresoft's Bicuspid valve drag hook of the present embodiment, also preferably include for this Wicresoft's Bicuspid valve drag hook being fixed on to compression knob 3 and the base station 4 of aid (such as operation table, workbench etc.).Compressing knob 3 and base station 4 is all that adjustable ground is set on described guide rod, and base station 4 is positioned at the below that compresses knob 3, for the cooperation of described compression knob, thereby Wicresoft's Bicuspid valve drag hook is fixed to appropriate location.
Wherein compress knob 3 and can comprise the compression heading, this compression heading is arranged on and compresses between knob and base station, and is set in described guide rod outside.An end that compresses heading is resisted against the top of base station 4, and the relative other end of diameter is resisted against the compression knob.When by the compression knob, compressing this compression heading, the at least a portion that compresses heading can be pressed in described compression knob 3, and at least another part of described compression heading can be pressed in base station 4, thereby make described compression heading wrap up tightly guide rod 2, by this, make the relative base station 4 of guide rod 2 fixing.Like this, even when rake angle adjusting rod 1 is slided in guide rod 2 inside, guide rod 2 with compress knob 3 and base station 4 and also can keep relative fixing and not be subjected to displacement, thereby can be accurately and regulate easily the rake angle between guide rod and self-align speculum.
Below describe the method for this rake angle adjusting rod of operation in detail.
The method comprises the following steps: at first, be inserted in guide rod 2 by rake angle adjusting rod 1 and make this rake angle adjusting rod be inserted through described guide rod 2; Then the bottom of described guide rod 2 securely be inserted in the through hole of card-tight part 5 and make described rake angle adjusting rod 1 be inserted through described card-tight part 5 and the end that is inserted through card-tight part of rake angle adjusting rod 1 is resisted against on the extension of card-tight part 5; Then, described card-tight part 5 is pivotally connected to self-align speculum 6, and makes described card-tight part 5 relatively described self-align speculum 6 carry out pivotable.
Wherein when operation, this rake angle adjusting rod 1 is slided rotatably in described guide rod 2, and card-tight part 5 carries out pivotable along with the slip of rake angle adjusting rod 1 with respect to self-align speculum 6, thereby make angled (rake angle) between guide rod 2 and self-align speculum 6, and self-align speculum 6 is remained on the orientation corresponding with described angle (self-align stretching mechanism is stabilized under certain perk state).
Wherein rake angle adjusting rod 1 preferably is threaded connection with the upper end of guide rod 2, thereby rake angle adjusting rod 1 can be slided rotatably in guide rod 2, the distance of sliding in guide rod 2 controllably to adjust rake angle adjusting rod 1.
In addition, can also Wicresoft's Bicuspid valve drag hook be fixed in operation process on needed position by following steps, for example operating table edge, bedside equipotential are set up.
These steps comprise: will compress the knob adjustable ground and be set on described guide rod; Be set on described guide rod by the base station scalable and make base station be positioned at described compression knob below, for the cooperation of described compression knob, thereby described Wicresoft Bicuspid valve drag hook is fixed to appropriate location.
In addition, as previously mentioned, compress knob 3 and also comprise the compression heading, described compression heading is arranged between described compression knob and base station, and is set in described guide rod outside.
The mode of operation compressed between knob and base station specifically provides in front, so repeat no more here.
After the rake angle determined between self-align speculum 6 and guide rod 2 (, after determining the perk state of self-align speculum), can regulate at least two opening angles that open between arm 8 of self-align speculum, and owing to opening at least one on arm, the boss 9 of being convenient to the operation tool clamping is set, so can after self-align speculum protrudes into operative site, open again at least two, opens arm.
The opening angle of regulating self-align speculum can comprise the following steps: the operation tool of the tweezers that use is for example performed the operation clamps at least one and opens the boss 9 on arm 8; Make this upper-arm circumference vertically pivot pivotable that rotates on arm 7; By the frictional force that is arranged at least two spring structures that open between arm 8 and provides, these at least two arms are remained on the opening angle needed; Then remove the tool that goes into operation, complete adjusting.
Wicresoft's Bicuspid valve drag hook of the application of the invention, can be in the situation that do not need to change adnexa Wicresoft Bicuspid valve drag hook regulated, thereby adapt to the otch of different size and shape.And but all parts of this Wicresoft's Bicuspid valve drag hook is all easy-offs, so that the cleaning of all parts and depositing.
Finally it should be noted that, above embodiment is only in order to describe technical scheme of the present invention rather than the present technique method is limited, the present invention can extend to other modification, variation, application and embodiment in application, and therefore thinks that all such modifications, variation, application, embodiment are in spirit of the present invention and teachings.
Claims (10)
1. Wicresoft's Bicuspid valve drag hook, described Wicresoft Bicuspid valve drag hook comprises:
Rake angle adjusting rod (1);
Guide rod (2); Described rake angle adjusting rod can be slidably inserted into by described guide rod;
Card-tight part (5), the top of described card-tight part is provided with through hole, and the bottom of described guide rod securely is inserted in the through hole of described card-tight part, and, when described rake angle adjusting rod slides in described guide rod, described guide rod is fixed with respect to described card-tight part; With
Self-align speculum (6), the sidepiece of described card-tight part engages pivotally with described self-align speculum, thereby regulating the rake angle adjusting rod when driving described card-tight part pivotable, the distance adjustment guide rod slided in guide rod according to the rake angle adjusting rod and the angle between self-align speculum, remain on the orientation corresponding with described angle described self-align speculum.
2. Wicresoft according to claim 1 Bicuspid valve drag hook, the upper end of wherein said rake angle adjusting rod and described guide rod is threaded connection, thereby can make the rake angle adjusting rod slide rotatably in described guide rod, the distance of sliding in described guide rod to adjust described rake angle adjusting rod.
3. Wicresoft according to claim 1 Bicuspid valve drag hook, also comprise and compress knob (3), and described compression knob can be set on described guide rod with regulating; With
Base station (4), described base station is set on described guide rod and is positioned at described compression knob below, for the cooperation of described compression knob, thereby described Wicresoft Bicuspid valve drag hook is fixed to appropriate location,
Wherein said compression knob also comprises compressing heads a ball, and described compression heading is arranged between described compression knob and described base station, and is set in described guide rod outside,
One end of wherein said compression heading is resisted against the top of described base station, and an end of heading a ball with described compression relative other end on diameter is resisted against described compression knob,
While wherein by the compression knob, compressing this compression heading, at least a portion of described compression heading can be pressed in described compression knob, and at least another part of described compression heading can be pressed in described base station, thereby make the described guide rod of described compression heading parcel, so that the relatively described base station of described guide rod is fixed.
4. Wicresoft according to claim 1 Bicuspid valve drag hook, wherein said self-align speculum (6) comprising:
Pivoted arm (7);
At least two are opened arm (8), and the end that described at least two each of opening arm are opened arm is fixed on identical vertical pivot, and can be respectively around described vertical pivot pivotable, thereby make described at least two to open between arm and have opening angle; With
Spring structure (10), described spring structure is arranged on described at least two and opens between arm, thereby for providing thrust that described at least two opening angles that open between arm can not changed,
Wherein, an end of described pivoted arm has transverse opening, and described vertical pivot extends to open bottom end from open top end,
The top of the other end of described pivoted arm and the sidepiece of described card-tight part are pivotally connected to, thereby make described card-tight part around described self-align speculum pivotable,
The other end bottom of described pivoted arm extends stretches out, and through the end of the described rake angle adjusting rod of described card-tight part, be resisted against on the bottom of the described other end of described pivoted arm, thereby make to there is stable angle between described rake angle adjusting rod and described self-align speculum when regulating described rake angle adjusting rod
Preferably, described at least two at least one of opening in arm are opened arm and are had boss (9), for being convenient to by tool holding, thereby regulate during operation described at least two opening angles that open between arm;
More preferably, described at least two are opened arm and have different length, thereby can be superimposed together.
5. Wicresoft according to claim 1 Bicuspid valve drag hook, the outside, bottom that wherein is inserted into the described guide rod in the through hole of described card-tight part is provided with groove, and the through hole inside of the described card-tight part corresponding with the described outside of described guide rod is provided with inner convex platform, thereby described groove is inserted on described inner convex platform described guide rod is fixed in the through hole of described card-tight part.
6. one kind for operating the method for Wicresoft's Bicuspid valve drag hook, said method comprising the steps of:
Be inserted in guide rod by the rake angle adjusting rod and be inserted through described guide rod;
The bottom of described guide rod securely be inserted in the through hole at card-tight part top and make described rake angle adjusting rod be inserted through described card-tight part; With
Described card-tight part is pivotally connected to self-align speculum, and makes described card-tight part relatively described self-align speculum carry out pivotable,
Wherein, when operation, this rake angle adjusting rod is slided in described guide rod; Described card-tight part carries out pivotable along with the slip of described rake angle adjusting rod with respect to described self-align speculum, thereby the angle between the distance adjustment guide rod slided in guide rod according to the rake angle adjusting rod and self-align speculum, and described self-align speculum is remained on the orientation corresponding with described angle.
7. method according to claim 6, wherein make described rake angle adjusting rod be threaded with the upper end of described guide rod, thereby can make the rake angle adjusting rod slide rotatably in described guide rod, the distance of sliding in described guide rod to adjust described rake angle adjusting rod.
8. method according to claim 6, wherein method also comprises fixing described Wicresoft Bicuspid valve drag hook, fixing described Wicresoft Bicuspid valve drag hook comprises the following steps:
To compress knob (3) can be set on described guide rod with regulating; With
Be set on described guide rod by base station and be positioned at described compression knob below, for the cooperation of described compression knob, thereby described Wicresoft Bicuspid valve drag hook is fixed to appropriate location,
Provide between described compression knob and described base station and compress heading, and described compression heading is set in to described guide rod outside,
Wherein when being provided, described compression heading comprises step: make an end of described compression heading be resisted against the top of described base station, and make an end relative other end on diameter of heading a ball with described compression be resisted against described compression knob,
When by the compression knob, compressing this compression heading, at least a portion of described compression heading is pressed in described compression knob, and at least another part of described compression heading is pressed in described base station, thereby make the described guide rod of described compression heading parcel, so that the relatively described base station of described guide rod is fixed.
9. method according to claim 6, wherein regulate described self-align speculum (6) and comprise the following steps:
Vertical pivot pivotable that at least two at least one upper-arm circumferences opened in arm are rotated on arm; With
By the thrust that is arranged on described at least two spring structures that open between arm and provides, these at least two arms are remained on the opening angle needed;
Preferably, described at least two at least one of opening in arm of tool using clamping are opened the boss (9) on arm, thereby regulate during operation described at least two opening angles that open between arm;
More preferably, make described at least two to open arm and there is different length, thereby can be superimposed together.
10. method according to claim 6, the groove that wherein will be arranged on the part that is inserted into described card-tight part of described guide rod is inserted on the inner convex platform of the through hole inside that is arranged on the card-tight part corresponding with the described part of described guide rod, thereby the guide rod bottom is fixed in the through hole of described card-tight part.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310370341.3A CN103462656B (en) | 2013-08-22 | 2013-08-22 | Wicresoft's mitral valve retractor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310370341.3A CN103462656B (en) | 2013-08-22 | 2013-08-22 | Wicresoft's mitral valve retractor |
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| CN103462656A true CN103462656A (en) | 2013-12-25 |
| CN103462656B CN103462656B (en) | 2016-01-13 |
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| US20070198035A1 (en) * | 2006-02-17 | 2007-08-23 | Threlkeld Judson E | Method and surgical instrument operable for percutaneous ligation of a vein or vessel |
| US20090299147A1 (en) * | 2007-02-15 | 2009-12-03 | Epstein Stephen T | Articulated Surgical Retractor |
| CN202505412U (en) * | 2012-04-05 | 2012-10-31 | 韩兴辉 | Improved surgical operation drag hook |
| CN203506776U (en) * | 2013-08-22 | 2014-04-02 | 谢斌 | Minimally invasive mitral valve retractor |
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| CN103462656B (en) | 2016-01-13 |
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