CN113349886A - Miniature incision surgical instrument for cardiac surgery - Google Patents
Miniature incision surgical instrument for cardiac surgery Download PDFInfo
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- CN113349886A CN113349886A CN202110490598.7A CN202110490598A CN113349886A CN 113349886 A CN113349886 A CN 113349886A CN 202110490598 A CN202110490598 A CN 202110490598A CN 113349886 A CN113349886 A CN 113349886A
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- 238000007675 cardiac surgery Methods 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims description 37
- 230000000747 cardiac effect Effects 0.000 claims 5
- 230000013011 mating Effects 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001900 immune effect Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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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
- A61B17/32—Surgical cutting 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
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00238—Type of minimally invasive operation
- A61B2017/00243—Type of minimally invasive operation cardiac
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- Prostheses (AREA)
Abstract
The invention discloses a cardiac surgery miniature incision surgical instrument, which relates to the technical field of medical instruments and comprises a grabbing sleeve, a telescopic sleeve, a clamping sleeve and a clamping mechanism, wherein the telescopic sleeve is arranged in the grabbing sleeve, the telescopic sleeve is in sliding fit with the grabbing sleeve, one end of the telescopic sleeve, which is positioned in the grabbing sleeve, is in threaded connection with the grabbing sleeve, the clamping sleeve is arranged in the telescopic sleeve, the clamping sleeve is in threaded connection with the other end of the telescopic sleeve, the clamping mechanism is arranged in the clamping sleeve, and the clamping mechanism is in threaded connection with the clamping sleeve; the problem of carry out the clamping action through the mode of handle among the prior art is solved, can increase the tight power of control clamp, thereby effectual clamping action who has reduced handle mode among the prior art is because of the not accurate condition of becoming flexible or exerting oneself too big and the condition that can make medical staff hand stiff or hand weak can not be kept motionless for a long time that leads to of clamping power way when the actual operation.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a micro-incision surgical instrument for cardiac surgery.
Background
Medical devices refer to instruments, devices, apparatuses, in-vitro diagnostic reagents and calibrators, materials and other similar or related items used directly or indirectly for human body, including necessary computer software, whose effects are mainly obtained by physical means and not by pharmacological, immunological or metabolic means, or are involved in such means but only play an auxiliary role, and are aimed at diagnosis, prevention, monitoring, treatment or alleviation of diseases.
However, the existing micro-incision surgical instruments for cardiac surgery still have some disadvantages, for example, when some special operations are performed, special medical instruments need to be taken or some objects need to be clamped for a long time, the force required by the clamps is relatively accurate, most of the existing clamp devices belong to the clamp type of a handle, medical personnel of the clamps basically feel like doctors when the clamps are used, and the medical personnel are highly nervous and stiff and weak when the clamps are kept at one force or position by hands for a long time, so that the use is inconvenient.
Disclosure of Invention
The invention aims to provide a micro-incision surgical instrument for cardiac surgery, and solves the problems that the surgical instrument is single and cannot adjust the length in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a miniature incision surgical instruments of cardiac surgery, is including snatching sleeve, telescope tube, clamping sleeve and clamping mechanism, the telescope tube sets up in snatching the sleeve, telescope tube and snatching sleeve sliding fit to the one end that the telescope tube is located inside the snatching sleeve with snatch sleeve threaded connection, clamping sleeve sets up in the telescope tube, clamping sleeve and telescope tube's other end threaded connection, clamping mechanism sets up in clamping sleeve, clamping mechanism and clamping sleeve threaded connection.
Further, it is equipped with skid proof block, snatchs groove, cooperation groove and a style of calligraphy hole to snatch the sleeve, skid proof block is equipped with two sets ofly, and is two sets ofly skid proof block sets up on the both sides of snatching the sleeve surface along the horizontal direction symmetry, it is equipped with two sets ofly to snatch the groove and set up on the both sides of snatching the sleeve surface along vertical direction symmetry, and is two sets ofly it all is located two sets ofly to snatch the groove between the skid proof block, a style of calligraphy hole is equipped with two, two a style of calligraphy hole symmetry sets up on snatching telescopic both sides, and two a style of calligraphy hole is located two both sides of snatching the groove respectively, two a style of calligraphy hole all is connected with telescopic tube, the cooperation groove sets up and is served at a snatching telescopic.
Further, snatch telescopic one and serve still to be equipped with the knob threaded rod, the pole body of knob threaded rod is the screw thread form, the one end of knob threaded rod is equipped with the knob board, the other end of knob threaded rod runs through snatchs telescopic one end and with telescopic sleeve threaded connection.
Further, telescopic sleeve is inside to be equipped with hollow groove, first thread groove and second thread groove, hollow groove is located telescopic sleeve one end's inboard, first thread groove and second thread groove all are located telescopic sleeve other end's inboard, first thread groove and knob threaded rod threaded connection, the second thread groove is corresponding with clamping sleeve.
Further, be equipped with spacing slide rail and cambered surface stopper on the telescopic tube's the surface, spacing slide rail and cambered surface stopper all are equipped with two, two spacing slide rail symmetry sets up on telescopic tube's both sides, every spacing slide rail all corresponds with a style of calligraphy hole, every the cambered surface stopper all sets up on a spacing slide rail, and every the cambered surface stopper all laminates on a style of calligraphy hole.
Further, still be equipped with coupling assembling on the telescopic sleeve, coupling assembling includes flexible threaded rod, connecting plate and carriage release lever, the one end of flexible threaded rod is located the second thread groove, and the one end and the second thread groove spiro union of flexible threaded rod, the other end and the connecting plate of flexible threaded rod are connected, the connecting plate is located hollow inslot, the carriage release lever is equipped with two, two the one end symmetry of carriage release lever sets up on the connecting plate, two the other end of carriage release lever runs through clamping sleeve and is connected with clamping mechanism.
Furthermore, a placing groove and two arc-shaped holes are formed in the clamping sleeve, the placing groove is located at one end in the clamping sleeve, the two arc-shaped holes are symmetrically formed in one side of the clamping sleeve, and each arc-shaped hole corresponds to one moving rod.
Furthermore, the clamping mechanism comprises a fixed plate, a driving threaded rod, a driving block, fixing piles, first transmission shafts, second transmission shafts and a clamp, the fixed plate is positioned in a placing groove arranged on the clamping sleeve, one end of the driving threaded rod penetrates through the fixed plate and is in threaded connection with one side of the clamping sleeve, the driving block is arranged at the other end of the driving threaded rod, the fixing piles, the first transmission shafts, the second transmission shafts and the clamp are respectively provided with two, the two fixing piles are symmetrically arranged on the fixed plate, one end of each first transmission shaft is movably connected with one fixing pile, the other end of each first transmission shaft is movably connected with one end of one second transmission shaft, the middle position of each second transmission shaft is movably connected with one end of the driving block, and the other end of each second transmission shaft is connected with one clamp, the two clamps are symmetrically arranged on one side of the driving block.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the telescopic sleeve can be stretched in the grabbing sleeve by adjusting the grabbing sleeve, so that the clamping sleeve and the clamping mechanism synchronously move, the position between the clamping mechanism and the grabbing sleeve can be adjusted, and when a medical worker rotates the telescopic sleeve by the other hand, the clamping mechanism can be moved to the inner side and the outer side of the clamping sleeve, so that the clamping mechanism can be moved out when in use and retracted into the clamping sleeve when not in use, and the clamping mechanism can operate when the medical worker rotates the clamping sleeve. And the grip-type clamping action can cause stiff or weak hands of medical personnel when kept still for a long time.
Secondly, the anti-slip bump is used for preventing a user from slipping when taking the grabbing sleeve, the grabbing groove is used for adapting to the anthropology, the user can conveniently grab the grabbing sleeve, the matching groove is used for being connected with the telescopic sleeve, and the telescopic sleeve and the grabbing sleeve can be in sliding fit through the linear hole; the anti-skid lugs and the grabbing grooves are added in the grabbing sleeve, so that the convenience in use is improved, and the practicability is improved.
Thirdly, the knob threaded rod is rotated by rotating the knob plate, and the telescopic sleeve is stretched in the grabbing sleeve by rotating the rod body of the knob threaded rod, so that the position between the clamping mechanism and the grabbing sleeve can be adjusted, the problem that the length of the clamp cannot be adjusted according to actual conditions in the prior art can be solved, and the practicability is improved.
Fourthly, the second thread groove drives the telescopic threaded rod to rotate by rotating the telescopic sleeve, so that the telescopic threaded rod can drive the connecting plate and the two moving rods to stretch, the two moving rods can drive the clamping mechanism to move in the clamping sleeve when moving, the clamp can be retracted when not in use, and the problem that the clamp falls dust or medical personnel touch the clamp to be injured under the unintentional condition can be prevented.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a first partial schematic view of the present invention;
FIG. 3 is a second partial schematic view of the present invention;
FIG. 4 is a cross-sectional view of the present invention;
the reference numbers in the figures are: grabbing sleeve 1, anti-skidding lugs 11, grabbing grooves 12, matching grooves 13, linear holes 14, knob threaded rods 15, knob plates 151, telescopic sleeves 2, hollow grooves 21, first thread grooves 22, second thread grooves 23, limiting slide rails 24, arc limiting blocks 25, connecting assemblies 26, telescopic threaded rods 261, connecting plates 262, moving rods 263, clamping sleeves 3, placing grooves 31, arc holes 32, clamping mechanisms 4, fixing plates 41, driving threaded rods 42, driving blocks 43, fixing piles 44, first transmission shafts 45, second transmission shafts 46 and clamps 47.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1 to 4, a cardiac surgery micro-incision surgical instrument comprises a gripping sleeve 1, a telescopic sleeve 2, a clamping sleeve 3 and a clamping mechanism 4, wherein the telescopic sleeve 2 is arranged in the gripping sleeve 1, the telescopic sleeve 2 is in sliding fit with the gripping sleeve 1, one end of the telescopic sleeve 2, which is positioned inside the gripping sleeve 1, is in threaded connection with the gripping sleeve 1, the clamping sleeve 3 is arranged in the telescopic sleeve 2, the clamping sleeve 3 is in threaded connection with the other end of the telescopic sleeve 2, the clamping mechanism 4 is arranged in the clamping sleeve 3, and the clamping mechanism 4 is in threaded connection with the clamping sleeve 3; when in operation, when the medical personnel uses the instrument, the medical personnel uses one hand to grasp the grasping sleeve 1, then the telescopic sleeve 2 can be stretched in the grasping sleeve 1 by adjusting the grasping sleeve 1, the clamping sleeve 3 and the clamping mechanism 4 can move synchronously, so that the position between the clamping mechanism 4 and the grasping sleeve 1 can be adjusted, and when the medical personnel rotates the telescopic sleeve 2 by the other hand, the clamping mechanism 4 can move to the inner side and the outer side of the clamping sleeve 3, so that the clamping mechanism 4 can move out when in use and retract into the clamping sleeve 3 when not in use, and the medical personnel can operate the clamping mechanism 4 when rotating the clamping sleeve 3. The situation that the clamping mechanism 4 is loosened or too large in force due to inaccurate clamping force in actual operation is effectively reduced, and the situation that hands of medical staff are stiff or weak can be caused under the situation that the clamping action in the grip mode is kept immovable for a long time.
Specifically, the grabbing sleeve 1 is provided with anti-skid lugs 11, grabbing grooves 12, matching grooves 13 and linear holes 14, the anti-skid lugs 11 are provided in two groups, the two groups of anti-skid lugs 11 are symmetrically arranged on two sides of the outer surface of the grabbing sleeve 1 along the horizontal direction, the grabbing grooves 12 are provided in two groups, the two groups of grabbing grooves 12 are symmetrically arranged on two sides of the outer surface of the grabbing sleeve 1 along the vertical direction, the two groups of grabbing grooves 12 are located between the two groups of anti-skid lugs 11, the linear holes 14 are provided in two groups, the two linear holes 14 are symmetrically arranged on two sides of the grabbing sleeve 1, the two linear holes 14 are respectively located on two sides of the two grabbing grooves 12, the two linear holes 14 are connected with the telescopic sleeve 2, and the matching grooves 13 are arranged at one end of the grabbing sleeve 1; the antiskid lug 11 is used for preventing the phenomenon that the user skids when taking and grabbing the sleeve 1, and the grabbing groove 12 is used for adapting to the anthropology, can let the user more convenient when grabbing, and the cooperation groove 13 is used for being connected with the telescopic sleeve 2, and a style of calligraphy hole 14 can make the telescopic sleeve 2 and grab the sleeve 1 and carry out sliding fit.
Specifically, one end of the grabbing sleeve 1 is further provided with a knob threaded rod 15, a rod body of the knob threaded rod 15 is in a threaded shape, one end of the knob threaded rod 15 is provided with a knob plate 151, and the other end of the knob threaded rod 15 penetrates through one end of the grabbing sleeve 1 and is in threaded connection with the telescopic sleeve 2; the knob screw 15 is rotated by rotating the knob plate 151, and the telescopic sleeve 2 is extended and contracted in the grip sleeve 1 by rotating the shaft of the knob screw 15.
Specifically, a hollow groove 21, a first thread groove 22 and a second thread groove 23 are arranged inside the telescopic sleeve 2, the hollow groove 21 is located on the inner side of one end of the telescopic sleeve 2, the first thread groove 22 and the second thread groove 23 are both located on the inner side of the other end of the telescopic sleeve 2, the first thread groove 22 is in threaded connection with the knob threaded rod 15, and the second thread groove 23 corresponds to the clamping sleeve 3; the hollow groove 21 is used for placing the clamping sleeve 3, the first thread groove 22 is used for being matched with the knob threaded rod 15 to enable the telescopic sleeve 2 to move, and the second thread groove 23 is used for being connected with the clamping sleeve 3.
Specifically, the outer surface of the telescopic sleeve 2 is provided with two limiting slide rails 24 and two cambered surface limiting blocks 25, the two limiting slide rails 24 are symmetrically arranged on two sides of the telescopic sleeve 2, each limiting slide rail 24 corresponds to one straight-line-shaped hole 14, each cambered surface limiting block 25 is arranged on one limiting slide rail 24, and each cambered surface limiting block 25 is attached to the straight-line-shaped hole 14; can make telescopic sleeve 2 with snatch sleeve 1 sliding fit through the cooperation of two spacing slide rails 24 and two style of calligraphy holes 14 to cambered surface stopper 25 can let medical personnel can be grasped by the way when grabbing sleeve 1 and snatch cambered surface stopper 25 and make telescopic sleeve 2 and the position of snatching sleeve 1 fix.
Specifically, the telescopic sleeve 2 is further provided with a connecting assembly 26, the connecting assembly 26 includes a telescopic threaded rod 261, a connecting plate 262 and two moving rods 263, one end of the telescopic threaded rod 261 is located in the second threaded groove 23, one end of the telescopic threaded rod 261 is in threaded connection with the second threaded groove 23, the other end of the telescopic threaded rod 261 is connected with the connecting plate 262, the connecting plate 262 is located in the hollow groove 21, the two moving rods 263 are provided, one ends of the two moving rods 263 are symmetrically arranged on the connecting plate 262, and the other ends of the two moving rods 263 penetrate through the clamping sleeve 3 and are connected with the clamping mechanism 4; when the operation is performed, the second thread groove 23 drives the telescopic threaded rod 261 to rotate by rotating the telescopic sleeve 2, so that the telescopic threaded rod 261 can drive the connecting plate 262 and the two moving rods 263 to extend and retract, and the two moving rods 263 can drive the clamping mechanism 4 to move in the clamping sleeve 3 when moving.
Specifically, the clamping sleeve 3 is provided with a placing groove 31 and two arc-shaped holes 32, the placing groove 31 is located at one end inside the clamping sleeve 3, the two arc-shaped holes 32 are symmetrically arranged on one side of the clamping sleeve 3, and each arc-shaped hole 32 corresponds to one moving rod 263; the placement grooves 31 are used for placing the clamping mechanism 4, and each of the arc-shaped holes 32 is used for placing a moving rod 263, so that the clamping sleeve 3 is not limited by the moving rod 263 when rotating.
Specifically, the clamping mechanism 4 includes a fixing plate 41, a driving threaded rod 42, a driving block 43, two fixing piles 44, a first transmission shaft 45, a second transmission shaft 46 and a clamp 47, the fixing plate 41 is located in the placement groove 31 provided on the clamping sleeve 3, one end of the driving threaded rod 42 penetrates through the fixing plate 41 and is in threaded connection with one side of the clamping sleeve 3, the driving block 43 is provided at the other end of the driving threaded rod 42, two fixing piles 44, two first transmission shafts 45, two second transmission shafts 46 and the clamp 47 are provided, the two fixing piles 44 are symmetrically provided on the fixing plate 41, one end of each first transmission shaft 45 is movably connected with one fixing pile 44, the other end of each first transmission shaft 45 is movably connected with one end of one second transmission shaft 46, the middle position of each second transmission shaft 46 is movably connected with one end of the driving block 43, the other end of each second transmission shaft 46 is connected with a clamp 47, and the two clamps 47 are symmetrically arranged on one side of the driving block 43; when carrying out the operation, make clamping sleeve 3 drive threaded rod 42 and rotate through rotatory clamping sleeve 3, and clamping sleeve 3 moves pole 263 can remove in arc hole 32 when rotatory, thereby can not follow clamping sleeve 3's rotation and rotate, clamping sleeve 3 is after rotatory drive threaded rod 42 removes, drive threaded rod 42 can drive block 43 and carry out synchronous motion, drive block 43 can drive two second transmission shafts 46 and stretch out and draw back this moment, every first transmission shaft 45 all can restrict the removal orbit of a second transmission shaft 46, thereby can make two second transmission shafts 46 drive two actions that anchor clamps 47 pressed from both sides tightly or expand, thereby can make anchor clamps 47 press from both sides tight operation to the object.
The working principle of the invention is as follows: when the medical staff uses the instrument, the grabbing sleeve 1 is grabbed by one hand of the medical staff, the knob plate 151 is rotated by the other hand to rotate the knob threaded rod 15, the telescopic sleeve 2 is made to extend and retract in the grabbing sleeve 1 by the rod body rotation of the knob threaded rod 15, the second thread groove 23 drives the telescopic threaded rod 261 to rotate by rotating the telescopic sleeve 2, so that the telescopic threaded rod 261 can drive the connecting plate 262 and the two moving rods 263 to extend and retract, the two moving rods 263 can drive the clamping mechanism 4 to move in the clamping sleeve 3 when moving in, the clamping sleeve 3 drives the driving threaded rod 42 to rotate by rotating the clamping sleeve 3, the moving rod 263 can move in the arc-shaped hole 32 when the clamping sleeve 3 rotates, so that the clamping sleeve 3 can not rotate along with the rotation of the clamping sleeve 3, after the clamping sleeve 3 rotationally drives the driving threaded rod 42 to move, the driving threaded rod 42 can drive the driving block 43 to move synchronously, at the moment, the driving block 43 can drive the two second transmission shafts 46 to stretch out and draw back, each first transmission shaft 45 can limit the moving track of one second transmission shaft 46, so that the two second transmission shafts 46 can drive the two clamps 47 to clamp or expand, and the clamps 47 can clamp objects.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a miniature incision surgical instruments of cardiac surgery which characterized in that, is including snatching sleeve (1), telescope tube (2), clamping sleeve (3) and clamping mechanism (4), telescope tube (2) set up and snatch sleeve (1), telescope tube (2) with snatch sleeve (1) sliding fit, and telescope tube (2) are located the inside one end of snatching sleeve (1) and snatch sleeve (1) threaded connection, clamping sleeve (3) set up in telescope tube (2), clamping sleeve (3) and the other end threaded connection of telescope tube (2), clamping mechanism (4) set up in clamping sleeve (3), clamping mechanism (4) and clamping sleeve (3) threaded connection.
2. A cardiac surgical microincision instrument as claimed in claim 1, characterized in that the gripping sleeve (1) is provided with anti-slip projections (11), gripping grooves (12), mating grooves (13) and a slotted hole (14), the anti-slip projections (11) are provided in two groups, two groups of the anti-slip projections (11) are symmetrically arranged on both sides of the outer surface of the gripping sleeve (1) in the horizontal direction, two groups of the gripping grooves (12) are symmetrically arranged on both sides of the outer surface of the gripping sleeve (1) in the vertical direction, and two groups of the gripping grooves (12) are located between two groups of the anti-slip projections (11), two slotted holes (14) are provided, two slotted holes (14) are symmetrically arranged on both sides of the gripping sleeve (1), and two slotted holes (14) are located on both sides of two gripping grooves (12), respectively, two straight type hole (14) all are connected with telescopic sleeve (2), cooperation groove (13) set up and are being snatched one end of sleeve (1).
3. A cardiac surgical microincision surgical instrument according to claim 2, characterized in that a knob threaded rod (15) is further provided on one end of the grasping sleeve (1), the shaft of the knob threaded rod (15) is threaded, a knob plate (151) is provided on one end of the knob threaded rod (15), and the other end of the knob threaded rod (15) penetrates one end of the grasping sleeve (1) and is in threaded connection with the telescopic sleeve (2).
4. A cardiac surgical microincision surgical instrument according to claim 3, characterized in that the telescopic sleeve (2) is internally provided with a hollow groove (21), a first thread groove (22) and a second thread groove (23), the hollow groove (21) is located inside one end of the telescopic sleeve (2), the first thread groove (22) and the second thread groove (23) are both located inside the other end of the telescopic sleeve (2), the first thread groove (22) is in threaded connection with the knob threaded rod (15), and the second thread groove (23) corresponds to the clamping sleeve (3).
5. A cardiac surgery miniature incision surgical instrument according to claim 4, wherein the outer surface of the telescopic sleeve (2) is provided with two limiting slide rails (24) and two cambered surface limiting blocks (25), the two limiting slide rails (24) and the two cambered surface limiting blocks (25) are symmetrically arranged on two sides of the telescopic sleeve (2), each limiting slide rail (24) corresponds to one straight-line-shaped hole (14), each cambered surface limiting block (25) is arranged on one limiting slide rail (24), and each cambered surface limiting block (25) is attached to the straight-line-shaped hole (14).
6. A cardiac surgical microincision surgical instrument as defined in claim 5, the telescopic sleeve (2) is further provided with a connecting assembly (26), the connecting assembly (26) comprises a telescopic threaded rod (261), a connecting plate (262) and a moving rod (263), one end of the telescopic threaded rod (261) is positioned in the second threaded groove (23), and one end of the telescopic threaded rod (261) is in threaded connection with the second threaded groove (23), the other end of the telescopic threaded rod (261) is connected with a connecting plate (262), the connecting plate (262) is positioned in the hollow groove (21), the two moving rods (263) are arranged, one ends of the two moving rods (263) are symmetrically arranged on the connecting plate (262), and the other ends of the two moving rods (263) penetrate through the clamping sleeve (3) and are connected with the clamping mechanism (4).
7. A cardiac surgical miniincision surgical instrument as claimed in claim 6, characterized in that said clamping sleeve (3) is provided with a placement slot (31) and two arc-shaped holes (32), said placement slot (31) being located at one end inside the clamping sleeve (3), said two arc-shaped holes (32) being symmetrically arranged on one side of the clamping sleeve (3), and each of said arc-shaped holes (32) corresponding to one of the moving rods (263).
8. The cardiac surgery mini incision surgical instrument as defined in claim 7, wherein the clamping mechanism (4) comprises a fixing plate (41), a driving threaded rod (42), a driving block (43), a fixing pile (44), a first transmission shaft (45), a second transmission shaft (46) and a clamp (47), the fixing plate (41) is located in a placing groove (31) formed on the clamping sleeve (3), one end of the driving threaded rod (42) penetrates through the fixing plate (41) and is in threaded connection with one side of the clamping sleeve (3), the driving block (43) is arranged at the other end of the driving threaded rod (42), two fixing piles (44), two first transmission shafts (45), two second transmission shafts (46) and the clamp (47) are arranged on the fixing plate (41), one end of each first transmission shaft (45) is movably connected with one fixing pile (44), every the other end of first transmission shaft (45) all with the one end swing joint of a second transmission shaft (46), every the intermediate position of second transmission shaft (46) all with the one end swing joint of drive block (43), every the other end of second transmission shaft (46) all is connected with a anchor clamps (47), two anchor clamps (47) symmetry sets up the one side at drive block (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110490598.7A CN113349886B (en) | 2021-05-06 | 2021-05-06 | Miniature incision surgical instrument for cardiac surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110490598.7A CN113349886B (en) | 2021-05-06 | 2021-05-06 | Miniature incision surgical instrument for cardiac surgery |
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| Publication Number | Publication Date |
|---|---|
| CN113349886A true CN113349886A (en) | 2021-09-07 |
| CN113349886B CN113349886B (en) | 2022-10-11 |
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| CN202110490598.7A Expired - Fee Related CN113349886B (en) | 2021-05-06 | 2021-05-06 | Miniature incision surgical instrument for cardiac surgery |
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2021
- 2021-05-06 CN CN202110490598.7A patent/CN113349886B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5338317A (en) * | 1991-05-03 | 1994-08-16 | Vance Products Incorporated | Rotational surgical instrument handle |
| CN107714182A (en) * | 2017-09-13 | 2018-02-23 | 山东科技大学 | A kind of needle holder being applied to surgery Minimally robot |
| CN209186856U (en) * | 2018-07-27 | 2019-08-02 | 李善华 | A kind of gynecological tumor operation grasping tongs |
| CN112155620A (en) * | 2020-10-29 | 2021-01-01 | 陕西中医药大学附属医院 | Ear canal supports expander for otolaryngology branch of academic or vocational study |
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