CN206852643U - A kind of heart valve tissue is cut - Google Patents

Abstract

The utility model discloses a kind of heart valve tissue to cut, including housing, the both sides of the case top open up fluted, contiguous block is movably installed with the groove, the side of the contiguous block is movably arranged on the inwall of housing, the top of the contiguous block extends to the outside of groove and is installed with semicircular ring, chute is offered in the contiguous block, fixed block is movably installed with the chute, the side of the fixed block is movably arranged on the inwall of contiguous block, transmission device is provided with the housing, transmission device includes drive link, the left end of drive link is installed with conical gear one, conical gear one engages with conical gear two.The utility model is by setting contiguous block, the effect that semicircular ring can be vertically moved is reached, semicircular ring can be allowed to vertically move and fix semicircular ring in place, retainer ring can be adjusted according to the size of doctor's finger, doctor can be allowed more convenient to use.

Description

A kind of heart valve tissue is cut

Technical field

Technical field of medical instruments is the utility model is related to, specially a kind of heart valve tissue is cut.

Background technology

Valve role in heart forever non-stop blood circulation activity is i.e. common and crucial, and valve is equivalent to door Defend, prevent blood backflow in the ventricle just left, between atrium and ventricle, in ventricle and between leaving the blood vessel of ventricle, There is a valve, after blood stream, valve will close, and send the heartbeat that we hear on TV, existing valvular tissue Operation generally use general tissue scissors carry out valvular trimming or excision, the finger of doctor and need through above retainer ring Hole hold scissors and performed the operation, doctor's finger it is not of uniform size, because existing tissue shear can not be adjusted according to the finger of doctor The size of retainer ring is saved, doctor can easily cause scissors from slipping on hand when using the tissue shear for being not suitable for oneself hand, so Worry not only is brought to doctor, and danger can be caused to patient.

Utility model content

The purpose of this utility model is that providing a kind of heart valve tissue cuts, and possessing can be according to the size of doctor's finger The advantages of being adjusted, solve the problems, such as that retainer ring can not be adjusted according to the size of doctor's finger.

To achieve the above object, the utility model provides following technical scheme：A kind of heart valve tissue is cut, including shell Body, the both sides of the case top open up fluted, and contiguous block, the side of the contiguous block are movably installed with the groove The inwall of housing is movably arranged on, the top of the contiguous block extends to the outside of groove and is installed with semicircular ring, described Chute is offered in contiguous block, fixed block is movably installed with the chute, the side of the fixed block is movably arranged on connection The inwall of block, transmission device is provided with the housing, the transmission device includes drive link, and the left end of the drive link is fixed Conical gear one is installed, the conical gear one is engaged with conical gear two, and fix bar, institute are movably installed with the housing The bottom that conical gear two is fixedly mounted on fix bar surface is stated, the one end of the fix bar away from conical gear two is fixedly mounted There is conical gear three, the conical gear three engages with conical gear four, is movably installed with the axle center of the conical gear four Bearing rod, one end of the bearing rod through conical gear four and are installed with succession bar, and the succession bar is away from bearing rod One end be located in chute and be fixedly mounted on the side of fixed block.

Preferably, the one end of the drive link away from conical gear one through housing and is installed with drive block, described The surface of drive block is installed with tread plate.

Preferably, the loose slot positioned at the bottom of conical gear two is offered in the housing, the bottom of the fix bar is lived It is dynamic to be arranged in loose slot.

Preferably, thread groove is offered at the axle center of the conical gear four, the surface of the bearing rod is provided with and spiral shell The screw thread that groove is adapted.

Preferably, the diameter of the succession bar is more than the diameter of bearing rod, and the succession bar is shaped as rectangle.

Compared with prior art, the beneficial effects of the utility model are as follows：

1st, the utility model has reached the effect that semicircular ring can be vertically moved by setting contiguous block, can allow partly Annulus can vertically move and fix semicircular ring in place, and retainer ring can be carried out according to the size of doctor's finger Regulation, can allow doctor more convenient to use.

2nd, the utility model has reached the effect for driving fixed block transverse shifting, can allowed solid by setting transmission device Determine block and drive contiguous block transverse shifting, contiguous block can be in close contact with the inwall of housing and produces friction, so as to by contiguous block It is fixed in groove, contiguous block can not be moved, so as to which semicircular ring is fixed in place.

Brief description of the drawings

Fig. 1 is the utility model structure diagram；

Fig. 2 is the schematic side view of the utility model structure conical gear four.

In figure：1 housing, 2 grooves, 3 contiguous blocks, 4 semicircular rings, 5 chutes, 6 fixed blocks, 7 transmission devices, 71 drive links, 72 Conical gear one, 73 conical gears two, 74 fix bars, 75 conical gears three, 76 conical gears four, 77 bearing rods, 78 succession bars, 8 drive blocks, 9 tread plates, 10 loose slots, 11 thread grooves, 12 screw threads.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Fig. 1-2 is referred to, a kind of heart valve tissue is cut, including housing 1, and the both sides at the top of housing 1 open up fluted 2, contiguous block 3 is movably installed with groove 2, and the side of contiguous block 3 is movably arranged on the inwall of housing 1, and the top of contiguous block 3 is prolonged Extend the outside of groove 2 and be installed with semicircular ring 4, by setting contiguous block 3, reached and semicircular ring 4 can longitudinally be moved Dynamic effect, semicircular ring 4 can be vertically moved and fix semicircular ring 4 in place, allows retainer ring can be according to doctor The size that green hand refers to is adjusted, and doctor can be allowed more convenient to use, offers chute 5 in contiguous block 3, in chute 5 Fixed block 6 is movably installed with, the side of fixed block 6 is movably arranged on the inwall of contiguous block 3, can be accommodated by opening up chute 5 Fixed block 6, fixed block 6 can be allowed to be located in contiguous block 3 when contiguous block 3 moves, by setting fixed block 6 to drive The transverse shifting of contiguous block 3, transmission device 7 is provided with housing 1, transmission device 7 includes drive link 71, and the left end of drive link 71 is consolidated Dingan County is equipped with conical gear 1, and by setting drive link 71 that conical gear 1 can be driven to rotate, drive link 71 is away from circle One end of bevel gear 1 is through housing 1 and is installed with drive block 8, and the surface of drive block 8 is installed with tread plate 9, By setting drive block 8 that user can be allowed more easily to drive drive link 71 to rotate, by setting tread plate 9 can Prevent user from being skidded in rotation driving block 8, conical gear 1 engages with conical gear 2 73, by setting conical gear One 72 can drive conical gear 2 73 to rotate, and be movably installed with fix bar 74 in housing 1, conical gear 2 73 is fixedly mounted on The bottom on the surface of fix bar 74, by setting conical gear 2 73 that fix bar 74 can be driven to rotate, offer and be located in housing 1 The loose slot 10 of the bottom of conical gear 2 73, the bottom of fix bar 74 is movably arranged in loose slot 10, by opening up loose slot 10 can accommodate fix bar 74, and the rotation that fix bar 74 can be allowed more to stablize, fix bar 74 is away from conical gear 2 73 One end be installed with conical gear 3 75, by set fix bar 74 can drive conical gear 3 75 rotate, circular cone tooth 3 75 are taken turns to engage with conical gear 4 76, by setting conical gear 3 75 that conical gear 4 76 can be driven to rotate, circular cone tooth Take turns and bearing rod 77 is movably installed with 4 76 axle center, by setting conical gear 4 76 that bearing rod 77 can be driven laterally to move It is dynamic, thread groove 11 is offered at the axle center of conical gear 4 76, the surface of bearing rod 77 is provided with what is be adapted with thread groove 11 It screw thread 12, can be coordinated by being threaded 12 with thread groove 11, allow conical gear 4 76 that bearing rod 77 can be driven laterally to move Dynamic, one end of bearing rod 77 through conical gear 4 76 and is installed with succession bar 78, and the diameter of succession bar 78, which is more than, to be accepted The diameter of bar 77, succession bar 78 are shaped as rectangle, by setting bearing rod 77 to drive the succession transverse shifting of bar 78, pass through The one end of succession bar 78 away from bearing rod 77 is located in chute 5 and is fixedly mounted on the side of fixed block 6, and bar is passed on by setting 78 can drive the transverse shifting of fixed block 6, by setting transmission device 7, reach the effect for driving the transverse shifting of fixed block 6, Fixed block 6 can be allowed to drive the transverse shifting of contiguous block 3, contiguous block 3 can be in close contact with the inwall of housing 1 and produces friction, So as to which contiguous block 3 is fixed in groove 2, contiguous block 3 can not be moved, so as to which semicircular ring 4 be fixed in place.

In use, by rotation driving block 8 drive link 71 can be driven to rotate so as to drive conical gear 1 to rotate, then Conical gear 1 will drive fix bar 74 to rotate by conical gear 2 73, and then fix bar 74 drives conical gear three again 75 rotations are so as to drive conical gear 4 76 to rotate, and then conical gear 4 76 drives the transverse shifting of bearing rod 77, bearing rod again 77 drive the succession transverse shifting of bar 78 again, then pass on bar 78 and drive the transverse shifting of fixed block 6, fixed block 6 is divided with contiguous block 3 From at this moment i.e. removable semicircular ring 4 is adjusted, and drive block 8 is reversely rotated after correct position is moved to and allows fixed block 6 to drive The transverse shifting of contiguous block 3, allow contiguous block 3 to be in close contact with housing 1 and produce friction, contiguous block 3 can so be fixed, so as to Semicircular ring 4 is fixed.

In summary：The heart valve tissue is cut, and by setting moveable contiguous block 3 in the chute 5, can allow semicircle Ring 4 can be vertically moved, and fixed block 6 is set in chute 5, and the transmission device 7 being connected with fixed block 6 is set in housing 1, Contiguous block 3 can be fixed in groove 2, solve the problems, such as that retainer ring can not be adjusted according to the size of doctor's finger.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of heart valve tissue is cut, including housing (1), it is characterised in that：Both sides at the top of the housing (1) offer Groove (2), the groove (2) is interior to be movably installed with contiguous block (3), and the side of the contiguous block (3) is movably arranged on housing (1) Inwall, the top of the contiguous block (3) extends to the outside of groove (2) and is installed with semicircular ring (4), the contiguous block (3) chute (5) is offered in, fixed block (6), the side activity peace of the fixed block (6) are movably installed with the chute (5) Inwall mounted in contiguous block (3), the housing (1) is interior to be provided with transmission device (7), and the transmission device (7) includes drive link (71), the left end of the drive link (71) is installed with conical gear one (72), the conical gear one (72) and circular cone tooth Two (73) engagement is taken turns, fix bar (74) is movably installed with the housing (1), the conical gear two (73) is fixedly mounted on solid The bottom on fixed pole (74) surface, the one end of the fix bar (74) away from conical gear two (73) are installed with conical gear three (75), the conical gear three (75) is engaged with conical gear four (76), activity peace at the axle center of the conical gear four (76) Equipped with bearing rod (77), one end of the bearing rod (77) through conical gear four (76) and is installed with succession bar (78), The described one end of succession bar (78) away from bearing rod (77) is located in chute (5) and is fixedly mounted on the side of fixed block (6).

2. a kind of heart valve tissue according to claim 1 is cut, it is characterised in that：The drive link (71) is away from circular cone One end of gear one (72) is through housing (1) and is installed with drive block (8), and the surface of the drive block (8) is fixedly mounted There is tread plate (9).

3. a kind of heart valve tissue according to claim 1 is cut, it is characterised in that：Position is offered in the housing (1) Loose slot (10) in conical gear two (73) bottom, the bottom of the fix bar (74) are movably arranged in loose slot (10).

4. a kind of heart valve tissue according to claim 1 is cut, it is characterised in that：The axle of the conical gear four (76) Thread groove (11) is offered at the heart, the surface of the bearing rod (77) is provided with the screw thread (12) being adapted with thread groove (11).

5. a kind of heart valve tissue according to claim 1 is cut, it is characterised in that：The diameter of the succession bar (78) is big Diameter in bearing rod (77), the succession bar (78) are shaped as rectangle.