CN2810501Y - Heart stabilizator - Google Patents
Heart stabilizator Download PDFInfo
- Publication number
- CN2810501Y CN2810501Y CN 200520113973 CN200520113973U CN2810501Y CN 2810501 Y CN2810501 Y CN 2810501Y CN 200520113973 CN200520113973 CN 200520113973 CN 200520113973 U CN200520113973 U CN 200520113973U CN 2810501 Y CN2810501 Y CN 2810501Y
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- Prior art keywords
- presser feet
- leaf
- support arm
- bearing
- joint
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Abstract
The utility model relates to a heart stabilization device, which is composed of pressure feet and universal support, wherein the universal support is composed of a support arm formed by connecting movable joints in series and a support seat connected with the tail end of the support arm. The presser feet are connected with the head end of the universal support by a clamp head. The utility model has the advantages that a positive pressure foot or a negative pressure foot can be assembled and disassembled according to needs, and the utility model has various functions; the structure of a control mechanism is simple, and the operation is convenient.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, be particularly related to a kind of novel cardiac stabilizer, its purposes is under the heart beating state, in order to stablize the heart part, limit the arteria coronaria position, to appear arteria coronaria and sew up the position, realizes convenient, fast, finish the arteria coronaria blood vessel exactly and connect a stitching.
Background technology
Prior art or satisfactory dirty regulator or title tissue fixator, a class is made of presser feet, rigid sectional shelf-unit, bearing split: a class is made of presser feet, flexible axle support, bearing one.Existing presser feet has positive presser feet or negative pressure foot, the sort of type no matter, for the compromise face that adapts to heart contacts with it and the presser feet leaf of exerting pressure mostly is flat, improve the back or adopt plastically deformable or employing can rotate around the axis, function singleness, limited with the heart surface degree of agreement, existing various presser feets do not possess the function that fully appears arteria coronaria stitching position yet.
Rigid sectional shelf-unit in the prior art needs on-the-spot combination, is difficult to accomplish arbitrary orientation, location, can not adapt to individual heart difference, uses inconvenience, poor effect.The later flexible axle support integrative-structure of development, or pestle is set ladles out the universal cradle head of formula or rotation, the crooked joint of making up are set, its location all adopts the same material joint to exert pressure with the frictional force brake.Must be enough big for producing effective brake force stent diameter, bending radius is big, moves dumb; If diameter diminishes,, promptly can lose the support effect in case can occur sliding to the joint insufficient pressure.Such support flexible axle stands big pulling force, and big pressure is stood in each joint, and member is easy to impaired, and material and higher being difficult to of technological requirement are implemented.The controlling organization complex structure of its bearing can not fully be locked support arm, troublesome poeration sometimes.
Summary of the invention
Purpose of the present invention just provides a kind of novel cardiac stabilizer, to solve the deficiency that presser feet functional defect and support frictional damping are brought in the prior art, and the controlling organization complex structure of bearing, can not fully lock support arm, the problem of troublesome poeration sometimes.
The technical solution of the utility model is: described universal support is made up of support arm that combines with the Movable joint of flexible axle serial connection and the bearing that is connected with this support arm tail end, described presser feet is connected with the head end of universal support by collet, described bearing comprises bearing tube, fixed claw, sliding jaw, spiral handle, spring, hollow screw, cushion cover, locking nut and joystick, the bearing tube is provided with external screw thread, the front end of bearing tube is connected and fixed pawl, and it is outer and fastening by spiral handle that sliding jaw is enclosed within the bearing tube; Establish spring and hollow screw in the bearing tube, the flexible axle at described support arm center passes spring and axially is connected in series with hollow screw; Locking nut is installed in the rear end of bearing tube and is spun, be provided with several at the outer peripheral face of this locking nut and radially dial plate or ratchet blade with hollow screw; Be provided with in the hole of joystick one end with described and radially dial the axial slide that plate or ratchet blade are slidingly matched, this joystick be enclosed within locking nut outer and with the mutual clamping in the rear end of described bearing tube, and can coaxial rotation.
Described presser feet is positive presser feet, connect and compose by presser feet leaf and presser feet, two presser feet leaves are serially connected in the bridge-type connector chute with composite shaft and pressure regulating screw with axle sleeve and guide-localization sheet, bridge-type connector, slide plate, turn respectively, every presser feet leaf can rotate around the axis and locatees, and can in bridge-type connector chute, move, locate, regulate span.
Described presser feet strengthens the presser feet leaf plastically deformable that elastomer is made by metal, and the face of exerting pressure is established can be chimeric, the elastic granule convex body on tractive heart surface.
Described presser feet is the negative pressure foot, connect and compose by presser feet leaf and presser feet, two presser feet leaves are connected in series with the composite shaft and the pressure regulating screw of band negative pressure channel with bridge-type connector, guide-localization sheet, turn with axle sleeve respectively, every presser feet leaf plastically deformable also can rotate around the axis and locatees, and can in bridge-type connector chute, move, locate, regulate span; The face of exerting pressure of each presser feet leaf is provided with elasticity negative pressure cavity, is provided with limit body in this negative pressure cavity; Negative pressure channel tail end at each presser feet leaf is provided with the evacuation interface; Be provided with the stitching ridge that can see through and be detained needlework at described presser feet leaf.
Described presser feet connector is connected with hoop formula collet with universal support, and the suction presser feet is adjustable to be faced upward, angle of depression degree, and chuck is rotatable, and is mounted and removable.
Be provided with the secondary controlling organization between the bearing tube of described bearing and joystick, it comprises and being located in the bearing by the flexible axle flexible axle of band dop contact in proper order spring, hollow screw, block, dop, ratchet nut, joystick.
Described universal support arm is made up of the contact spherical joint of the embedded concave-concave sphere of spherical male sphere coupling peripheral hardware sheath friction shoe of a plurality of band taper holes of flexible axle flexible axle, be assemblied in the support arm head end of forming by Movable joint with collet, the support arm afterbody is equipped with the positioning control bearing, can do universal activity and location.
Described support arm is combined by bending joint, rotary joint, the bending joint convex surface is established gathering sill, concave surface is established guided way, the joint along gathering sill, rail slide with gathering sill, the perpendicular little groove inlay card location of guided way, rotary joint is established lead, groove with the radially little groove inlay card of adjacent surface location.
Described chuck constitutes by hoop formula collet or by vertical opening chuck.
The mobile contact surface of described presser feet leaf scalable span is established cushion or coating, and the frictional force that is produced with the distortion of its elastic compression is braked and located.
The beneficial effects of the utility model are: inhale presser feet leaf plastically deformable, can rotate around the axis, the scalable span, improve the degree of agreement with special-shaped heart surface: metallic framework strengthens elastomer presser feet leaf to be inhaled with little elastic force and presses heart table, prevents to injure heart; Presser feet stitching ridge can see through, the delay needlework can block epithelium by the suture tractive, fully appear arteria coronaria and sew up the position: presser feet is mounted and removable and with the collet part that is clamped and connected, adjustable presser feet is faced upward, angle of depression degree, can enter crawl space contacts with heart table: support arm adopts spherical combination joint, concave-concave sphere with Metal Ball convex surface and non-metallic friction watt mates mutually, quality of fit be can improve, dexterity of action and locating friction power increased.Adopt crooked, Shi Te combination joint its setting of joint contact face and the vertical little groove of activity direction, locate firmly than friction with the inlay card location, support arm is attenuated, occupy-place is little.Controlling organization adopts and radially dials board-like locking nut in the bearing, and convenient and reliable operation adopts ratchet limit power locking nut easy and safe to operate; Bearing adopts the bolt handle to promote sliding jaw bath pedestal and fixes, and easy to operate, the location is firm.
Description of drawings
Fig. 1 is the embodiment population structure sketch map with one-level controlling organization and negative pressure foot of the present utility model.
Fig. 2 is the example structure sketch map of malleation presser feet of the present utility model.
The D-D cutaway view of negative pressure foot among Fig. 3 Fig. 1.
The E-E cutaway view of Fig. 4 Fig. 2.
Fig. 5 is the half section structure chart of this utility model joystick.
Fig. 6 is the left view of Fig. 5.
Fig. 7 is the end face structure view that this utility model is dialled board-like locking nut.
Fig. 8 is the end face structure view of this utility model ratchet-type locking nut.
Fig. 9 is the embodiment overall construction drawing with two-stage controlling organization of the present utility model.
The specific embodiment
Referring to Fig. 1～Fig. 8, this embodiment of this utility model is made up of presser feet A, universal support arm B and bearing C three parts, and support arm B combines by be connected in series spherical Movable joint with flexible axle; Bearing C is connected with the tail end of this support arm B, and described presser feet A is connected with the head end 17 of support arm B by collet 15.Described bearing C comprises bearing tube 8, fixed claw 7, sliding jaw 9, spiral handle 10, spring 11, hollow screw 12, cushion cover 20, dop 21, locking nut 13 and joystick 14, bearing tube 8 is provided with external screw thread, the front end of bearing tube 8 is connected and fixed pawl 7, and it is outer and fastening by spiral handle 10 that sliding jaw 9 is enclosed within the bearing tube; The flexible axle (steel cable) 16 at described support arm B center passes each joint of support arm and the center of bearing tube and spring 11 axially is connected in series with hollow screw 12 and cushion cover 20; The two ends of flexible axle 16 are spacing with dop 19 and 21; Locking nut 13 is installed in the rear end of bearing tube 8 and is spun, be provided with four (can be a plurality of) radial plate 131 (as shown in Figure 5) or a plurality of ratchet leaf 132 (as shown in Figure 6) at the outer peripheral face of this locking nut 13 with hollow screw 12; Be provided with in the hole of joystick 14 1 ends with described and radially dial the axial slide 142 that plate 131 or ratchet leaf 132 are slidingly matched, this joystick 14 is enclosed within locking nut 13 outer also passing through along the bulge loop 141 of circumference and the mutual clamping of scrobicular ring of the rear end of described bearing tube 8, and can coaxial rotation.In locking or when loosening support arm B, by rotating joystick 14, drive locking nut 13 and rotate, locking nut 13 drives hollow screws 12 and moves axially and strain or loosen flexible axle 16, thus locking or loosen support arm B.When adopting ratchet nut, when handle torsion surpassed ratchet leaf limit power, the ratchet phyllomorphosis was beated, and reaches safe limit power purpose.
Described presser feet A has two kinds of structures, and a kind of is negative pressure foot (referring to Fig. 1 and Fig. 3), and another kind is positive presser feet (referring to Fig. 2 and Fig. 4).
Referring to Fig. 1 and Fig. 3, described negative pressure foot is made of presser feet leaf 1, axle sleeve 2, bridge-type connector 3, two presser feet leaves 1 are serially connected in bridge-type connector 3 chutes with the composite shaft 3.3 and the pressure regulating screw 3.1 of axle sleeve 2 with guide-localization sheet 3.4, turn 3.2 usefulness band negative pressure channel 3.3-1 respectively, the negative pressure channel 3.3-1 of composite shaft 3.3 and axle sleeve 2 sockets, longitudinal axis 3.3-2 and pressure regulating screw 3.1 are spirally connected.Every presser feet leaf 1 can rotate around the axis and locatees, and can move in bridge-type connector 3 chutes, locate, and regulates span; The micro-elasticity face of exerting pressure of each presser feet leaf 1 is provided with negative pressure cavity 1.2, is provided with limit body 1.3 in this negative pressure cavity, and both sides are established and sewed up ridge 1.1 above the presser feet leaf 1, presser feet leaf 1 rotatable, plastically deformable; Negative pressure channel tail end at each presser feet leaf 1 is provided with evacuation interface 4.
Referring to Fig. 2 and Fig. 4, described positive presser feet is made of presser feet leaf 1, axle sleeve 2, bridge-type connector 3, two presser feet leaves 1 are serially connected in bridge-type connector 3 chutes with axle sleeve 2 and guide-localization sheet 3.4, bridge-type connector 3, slide plate 3.5, turn 3.2 usefulness composite shaft 3.3 and pressure regulating screw 3.1 respectively, every presser feet leaf 1 can rotate around the axis and locatees, and can in bridge-type connector chute, move, locate, regulate span.Forming of composite shaft 3.3 by circular cross-section 3.3-1 and square-section 3.3-2 two parts.This presser feet strengthens the presser feet leaf plastically deformable that elastomer is made by metal, and the face of exerting pressure is established can be chimeric, the elastic granule convex body on tractive heart surface.On axle sleeve 2, be provided with and dial handle 2.1, be used for rotary axle box 2, and then regulate presser feet leaf 1 rotating certain angle.
The head end of described presser feet connector 3 and support arm B is connected with hoop formula collet, and presser feet A is adjustable to be faced upward, angle of depression degree, and chuck is rotatable, and is mounted and removable.
This utility model also can be provided with the one-level controlling organization again between the bearing tube of described bearing and joystick, it comprises and being located in the bearing by the flexible axle flexible axle of band dop contact in proper order spring A1, hollow screw A2, block A3, dop A4, locking nut A5, joystick A6.
Described universal support arm B is made up of the spherical joint that the embedded concave-concave sphere of the spherical male sphere 6 coupling peripheral hardware sheaths friction shoe 5 of a plurality of band taper holes of flexible axle flexible axle 16 polyphone forms, as shown in Figure 1.
Described support arm B also can be combined by bending joint, rotary joint, the bending joint convex surface is established gathering sill, concave surface is established guided way, the joint along gathering sill, rail slide with gathering sill, the perpendicular little groove inlay card location of guided way, rotary joint is established lead, groove with the radially little groove inlay card location of adjacent surface (not shown).
Described collet 15 constitutes by hoop formula collet or by vertical opening chuck.Described presser feet leaf 1 scalable span moves contact surface and establishes cushion or coating, increases frictional force braking, location with the elastic compression distortion.
Claims (10)
1. cardiac stabilizer, constitute by presser feet and universal support, it is characterized in that: described universal support is made up of support arm that combines with the Movable joint of flexible axle serial connection and the bearing that is connected with this support arm tail end, described presser feet is connected with the head end of universal support by collet, described bearing comprises bearing tube, fixed claw, sliding jaw, spiral handle, spring, hollow screw, cushion cover, locking nut and joystick, the bearing tube is provided with external screw thread, the front end of bearing tube is connected and fixed pawl, and it is outer and fastening by spiral handle that sliding jaw is enclosed within the bearing tube; Establish spring and hollow screw in the bearing tube, the flexible axle at described support arm center passes spring and axially is connected in series with hollow screw; Locking nut is installed in the rear end of bearing tube and is spun, be provided with several at the outer peripheral face of this locking nut and radially dial plate or ratchet blade with hollow screw; Be provided with in the hole of joystick one end with described and radially dial the axial slide that plate or ratchet blade are slidingly matched, this joystick be enclosed within locking nut outer and with the mutual clamping in the rear end of described bearing tube, and can coaxial rotation.
2. cardiac stabilizer according to claim 1, it is characterized in that: described presser feet is positive presser feet, connect and compose by presser feet leaf and presser feet, two presser feet leaves are serially connected in the bridge-type connector chute with composite shaft and pressure regulating screw with axle sleeve and guide-localization sheet, bridge-type connector, slide plate, turn respectively, every presser feet leaf can rotate around the axis and locatees, and can in bridge-type connector chute, move, locate, regulate span.
3. cardiac stabilizer according to claim 1 is characterized in that: described presser feet strengthens the presser feet leaf plastically deformable that elastomer is made by metal, and the face of exerting pressure is established can be chimeric, the elastic granule convex body on tractive heart surface.
4. cardiac stabilizer according to claim 1, it is characterized in that: described presser feet is the negative pressure foot, connect and compose by presser feet leaf and presser feet, two presser feet leaves are connected in series with the composite shaft and the pressure regulating screw of band negative pressure channel with bridge-type connector, guide-localization sheet, turn with axle sleeve respectively, every presser feet leaf plastically deformable also can rotate around the axis and locatees, and can in bridge-type connector chute, move, locate, regulate span; The face of exerting pressure of each presser feet leaf is provided with elasticity negative pressure cavity, is provided with limit body in this negative pressure cavity; Negative pressure channel tail end at each presser feet leaf is provided with the evacuation interface; Be provided with the stitching ridge that can see through and be detained needlework at described presser feet leaf.
5. cardiac stabilizer according to claim 1 is characterized in that: described presser feet connector is connected with hoop formula collet with universal support, and the suction presser feet is adjustable to be faced upward, angle of depression degree, and chuck is rotatable, and is mounted and removable.
6. cardiac stabilizer according to claim 1, it is characterized in that: be provided with the secondary controlling organization between the bearing tube of described bearing and joystick, it comprises and being located in the bearing by the flexible axle flexible axle of band dop contact in proper order spring, hollow screw, block, dop, ratchet nut, joystick.
7. cardiac stabilizer according to claim 1, it is characterized in that: described universal support arm is made up of the contact spherical joint of the embedded concave-concave sphere of spherical male sphere coupling peripheral hardware sheath friction shoe of a plurality of band taper holes of flexible axle flexible axle, be assemblied in the support arm head end of forming by Movable joint with collet, the support arm afterbody is equipped with the positioning control bearing, can do universal activity and location.
8. cardiac stabilizer according to claim 1, it is characterized in that: described support arm is combined by bending joint, rotary joint, the bending joint convex surface is established gathering sill, concave surface is established guided way, the joint along gathering sill, rail slide with gathering sill, the perpendicular little groove inlay card location of guided way, rotary joint is established lead, groove with the radially little groove inlay card of adjacent surface location.
9. cardiac stabilizer according to claim 1 is characterized in that: described chuck constitutes by hoop formula collet or by vertical opening chuck.
10. according to any one described cardiac stabilizer of claim 1～9, it is characterized in that: the mobile contact surface of described presser feet leaf scalable span is established cushion or coating, and the frictional force that is produced with the distortion of its elastic compression is braked and located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520113973 CN2810501Y (en) | 2005-07-18 | 2005-07-18 | Heart stabilizator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520113973 CN2810501Y (en) | 2005-07-18 | 2005-07-18 | Heart stabilizator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2810501Y true CN2810501Y (en) | 2006-08-30 |
Family
ID=36936883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520113973 Expired - Fee Related CN2810501Y (en) | 2005-07-18 | 2005-07-18 | Heart stabilizator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2810501Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104983448A (en) * | 2015-07-22 | 2015-10-21 | 陈雨 | Positioning and firming device for coronary bypass operation |
| WO2017130164A1 (en) * | 2016-01-29 | 2017-08-03 | Farahmand Farzam | Minimally invasive heart stabilizer |
| CN107440704A (en) * | 2016-11-26 | 2017-12-08 | 张霞玲 | A kind of adjustable neurostimulation probe in direction |
-
2005
- 2005-07-18 CN CN 200520113973 patent/CN2810501Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104983448A (en) * | 2015-07-22 | 2015-10-21 | 陈雨 | Positioning and firming device for coronary bypass operation |
| WO2017130164A1 (en) * | 2016-01-29 | 2017-08-03 | Farahmand Farzam | Minimally invasive heart stabilizer |
| CN107440704A (en) * | 2016-11-26 | 2017-12-08 | 张霞玲 | A kind of adjustable neurostimulation probe in direction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |