CN113116421A - Sternum position fixing device for single-hole thoracoscope - Google Patents
Sternum position fixing device for single-hole thoracoscope Download PDFInfo
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- CN113116421A CN113116421A CN202110595302.8A CN202110595302A CN113116421A CN 113116421 A CN113116421 A CN 113116421A CN 202110595302 A CN202110595302 A CN 202110595302A CN 113116421 A CN113116421 A CN 113116421A
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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
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
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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
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/025—Joint distractors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/107—Supply appliances
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Abstract
The invention discloses a sternum position fixing device for a single-hole thoracoscope, which comprises a position adjusting block, a cross rod and a vertical rod which are arranged on the position adjusting block, the end part of the cross rod is connected with the drag hook through a gear rack structure, the drag hook integrally adopts a clamp design, the operation space of the operation is increased to the maximum extent, the operation visual field is provided clearly, meanwhile, the pulling plate of the draw hook adopts a flat design, and an adjusting plate which can extend towards two sides is arranged in the pulling plate, the contact area of the draw hook and the sternum is increased according to the whole area of the adjusting draw bar of different patients, the connection stability is ensured, the sternum position fixing device has simple structure, can be connected through a quick detachable structure, can be quickly installed and detached, is convenient to use and carry, meanwhile, the positions of the draw hooks can be quickly adjusted, the operation time is shortened, the operation risk is reduced, and the use value and the popularization value are higher.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a sternum position fixing device for a single-hole thoracoscope.
Background
The rapid development of minimally invasive endoscopic surgery is that various major surgeries are completed under a single-port endoscope in thoracic surgery to become mainstream, and the operations of lung lobe resection, lung lobe sleeve resection and the like under the single-port thoracoscope are gradually popularized. The treatment effect under the single-hole endoscope has no statistical difference compared with the operation modes of thoracotomy, three holes, single operation hole and the like, but the treatment effect under the single-hole endoscope is superior to the treatment effect under the single-hole endoscope in the aspects of operation wound, postoperative pain and the like.
When carrying out thoracic surgery, the mostly need operation drag hook is fixed a position and is expanded the operation wound, make things convenient for the operation, but current drag hook structure has seriously influenced operative person's operating space, the station of organizing the hand has also been influenced, lead to organizing the hand cooperation difficulty, simultaneously because the drag hook bearing capacity is big in the art, cause the secondary damage to the patient easily, secondly, current drag hook divide into a plurality of models according to the size, need select according to patient's size, and the size difference of two adjacent models is great moreover, lead to the suitability poor.
In view of the above problems, there is a need for a retractor with a small space and adjustable size to increase the operating space of the operator and to make the assistant more labor-saving and comfortable to stand.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a sternum position fixing device for a single-hole thoracoscope, and the retractor adopts a telescopic structure, so that the size of the retractor can be adjusted according to the body type of a patient, the operation space of an operator is increased, and the operation visual field is improved.
The invention is realized by the following technical scheme:
a sternum position fixing device for a single-hole thoracoscope comprises a vertical rod, a horizontal rod, a draw hook and a position adjusting block for adjusting the height of the horizontal rod;
the vertical rod and the cross rod are arranged in the position adjusting block and are arranged in a cross shape, the draw hook is arranged at the end part of the cross rod through an adjusting device, and the adjusting device is used for adjusting the height of the draw hook;
the drag hook is including arm-tie and the swash plate that is the contained angle setting, and the arm-tie level sets up, and the lower extreme of swash plate is connected with the one end of arm-tie, and the upper end and the adjusting device of swash plate are connected, and the arm-tie is hollow structure, and its inside both sides are provided with the regulating plate, and the regulating plate is close to the one end of swash plate and articulates with the arm-tie, is provided with worm gear mechanism between two regulating plates, and worm gear mechanism passes through link mechanism and is connected with two regulating plates, and worm gear mechanism can make the regulating plate rotate to the outside of arm-tie.
Preferably, the included angle between the pulling plate and the inclined plate is 70-50 degrees.
Preferably, the worm wheel and worm mechanism comprises a worm wheel and a worm, the worm is arranged in the cavity of the pulling plate, two ends of the worm are rotatably supported at two ends of the pulling plate, one end of the worm, which is close to the inclined plate, is communicated with the outside, the worm wheel is sleeved on the worm, and the connecting rod mechanism is connected with the worm wheel.
Preferably, the link mechanism comprises two connecting rods symmetrically arranged on two sides of the worm, one end of each connecting rod is hinged to the worm wheel, and the other end of each connecting rod is hinged to one side of the adjusting plate.
Preferably, the top surface of the pulling plate is provided with anti-skid grains.
Preferably, the adjusting device comprises a shaft sleeve, a guide block, a rack and a gear;
the shaft sleeve is fixedly sleeved on the cross rod, the guide block is fixedly connected to one side of the shaft sleeve, a vertical rack mounting hole is formed in the guide block, the rack is assembled in the rack hole, the lower end of the rack is connected with the pull plate, and the gear is mounted on the guide plate and meshed with the rack.
Preferably, a guide sleeve is arranged on the side wall of the guide block, a rotating shaft is arranged at the center of the gear, the end part of the rotating shaft penetrates through the guide sleeve and extends to the outside of the guide block, a cam locking rod is hinged to the end part of the rotating shaft, and a cam of the cam locking rod abuts against the end face of the guide sleeve.
Preferably, kicking block and extrusion piece in the position control piece, the tip of kicking block is used for the butt on the lateral wall of horizontal pole, and the extrusion piece sets up one side of kicking block to be located between kicking block and the montant, be provided with the extrusion face of slope on the lateral wall of kicking block, the axial slope of kicking block is followed to the extrusion face, when the kicking block moves to the horizontal pole direction, can make the extrusion piece move to one side of montant, to position control piece height location.
Preferably, be provided with the adjusting collar on the kicking block, the one end and the kicking block cup joint of adjusting collar, and the other end and position control piece threaded connection to stretch into the outside to the position control piece.
Preferably, the position adjusting block is provided with a gear mechanism for adjusting the extension length of the cross rod, and the gear mechanism comprises a spline shaft and meshing teeth;
a strip-shaped hole is formed in the transverse rod in the axial direction, the meshing teeth are arranged on the top surface or the bottom surface of the strip-shaped hole, the spline shaft is arranged in a shaft hole of the adjusting sleeve, and one end of the spline shaft penetrates through the ejector block to stretch into the strip-shaped hole of the transverse rod and is meshed with the meshing teeth.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides a sternum position fixing device for a single-hole thoracoscope, which comprises a position adjusting block, a cross rod and a vertical rod which are arranged on the position adjusting block, the end part of the cross rod is connected with the drag hook through a gear rack structure, the drag hook integrally adopts a clamp design, the operation space of the operation is increased to the maximum extent, the operation visual field is provided clearly, meanwhile, the pulling plate of the draw hook adopts a flat design, and an adjusting plate which can extend towards two sides is arranged in the pulling plate, the contact area of the draw hook and the sternum is increased according to the whole area of the adjusting draw plate of different patients, the connection stability is ensured, the sternum position fixing device has simple structure, can be connected through a quick detachable structure, can be quickly installed and detached, is convenient to use and carry, meanwhile, the positions of the draw hooks can be quickly adjusted, the operation time is shortened, the operation risk is reduced, and the use value and the popularization value are higher.
Drawings
FIG. 1 is a front view of the sternum position fixation device of the present invention;
FIG. 2 is a side view of the pulling plate of the retractor of the invention;
FIG. 3 is an internal structure view of the upper pulling plate of the retractor of the present invention;
FIG. 4 is a schematic view of the installation of the cross and vertical rods of the present invention;
FIG. 5 is an internal structural view of the fixing block of the present invention;
FIG. 6 is a cross-sectional view of a mounting block of the present invention;
FIG. 7 is a top view of the cross and vertical rods of the present invention;
fig. 8 is a view showing the unfolded state of the pulling plate according to the present invention.
In the figure: 1. a vertical rod; 2. a cross bar; 3. a position adjusting block; 4. a hand wheel; 5. a guide block; 6. a gear; 7. a cam locking lever; 8. a rack; 9. a pull rod; 10. pulling a hook; 11. meshing teeth; 12. a shaft sleeve; 13. a guide sleeve; 14. a sloping plate; 15. pulling a plate; 16. a worm gear; 17. a worm; 18. an adjusting plate; 19. a connecting rod; 21. a top block; 22. an adjusting sleeve; 23. connecting sleeves; 24. a thread plate; 25. a spline shaft; 26. a rubber layer; 27. extruding the block; 28. and (5) extruding the surface.
Detailed Description
The present invention will now be described in further detail with reference to the attached drawings, which are illustrative, but not limiting, of the present invention.
Referring to fig. 1-8, a sternum position fixing device for a single-hole thoracoscope comprises a vertical rod 1, a cross rod 2, a position adjusting block 3 and a draw hook 10.
Montant 1 and horizontal pole 2 cover are established in position control block 3 to be the cross setting, drag hook 10 passes through adjusting device and sets up the tip at horizontal pole 2, and adjusting device is used for adjusting the height of drag hook.
The included angle between the pulling plate 15 and the inclined plate 14 is 70-50 degrees, preferably 60 degrees, when in use, the pulling plate 15 is positioned below the sternum and used for lifting the position of the sternum, and the upper end of the inclined plate inclines towards the outside of the wound of the patient, so that the operation space of the operation is effectively increased, and the operation visual field is clear.
Furthermore, the inclined plate is of a triangular structure, the bottom edge of the inclined plate is connected with the end part of the pulling plate, and the upper end of the inclined plate is connected with the cross rod, so that the space can be further saved, and the operation space of an operation is increased.
The worm and gear mechanism comprises a worm wheel 16 and a worm 17, the worm 17 is arranged in a cavity of the pulling plate, two ends of the worm are rotatably supported at two ends of the pulling plate, one end, close to the inclined plate, of the worm 17 is communicated with the outside, the worm wheel 16 is sleeved on the worm, the worm wheel can move axially by rotating the worm, and then the adjusting plate is controlled to stretch out of the area of the pulling plate.
The end part of the worm is provided with a key hole, and the worm can be rotated by inserting a key into the key hole, so that the worm wheel can move.
The link mechanism includes two connecting rods 19 that the symmetry set up in the worm both sides, and connecting rod 19's one end is articulated with one side of worm wheel, and its other end is articulated with one side of regulating plate, and when the worm wheel removed to one side of swash plate, two regulating plates rotated to the inside of arm-tie, when the worm wheel removed to one side of keeping away from the swash plate, then two regulating plates can rotate the outside to the arm-tie to make arm-tie and regulating plate form fan-shaped structure.
The adjusting plate is characterized in that a vertex angle of the hinged end of the adjusting plate is an arc, the vertex angle close to the worm is a right angle, the right angle is a positioning angle, the arc angle is used for avoiding influencing the rotation of the adjusting plate, and when the right-angle edge is in contact with the end of the pulling plate, the adjusting plate is completely retracted to the inside of the pulling plate.
The top surface of regulating plate is provided with the protective layer, adopts medical rubber material to make, can play the effect of protection sternum.
The top surface of the pulling plate is provided with anti-skid lines, so that the fixation with the sternum is ensured when in use.
The adjusting device is a gear rack mechanism and comprises a shaft sleeve 12, a guide block 5, a rack 8 and a gear 6.
The shaft sleeve is fixedly sleeved on the cross rod 2, the guide block 5 is fixedly connected to one side of the shaft sleeve 12, a vertical rack mounting hole is formed in the guide block 5, the rack 8 is assembled in the rack hole, the lower end of the rack is connected with the pull plate, namely the upper end of the inclined plate, the gear is installed on the guide plate and meshed with the rack, a guide sleeve 13 is arranged on the side wall of the guide block 5, a rotating shaft is arranged at the center of the gear, the end portion of the rotating shaft penetrates through the guide sleeve 13 and extends to the outside of the guide block 5, a cam locking rod 7 is hinged to the end portion of the rotating shaft, and a cam of the cam locking rod abuts against the end.
The shaft sleeve is provided with a jackscrew, the shaft sleeve is sleeved on the cross rod, and the end of the jackscrew is abutted against the cross rod to realize the positioning of the shaft sleeve and the cross rod.
The lower end of the rack is provided with a threaded pin, the upper end of the drag hook is connected with a pull rod 9, and the upper end of the pull rod is sleeved on the pin.
When the device is used, the gear is driven to rotate by rotating the cam locking rod, and then the rack moves up and down to synchronously drive the draw hook 10 to move up and down, so that the sternum is adjusted to a proper height position.
The position adjusting block 3 is provided with a horizontal hole and a vertical hole, the vertical rod 1 and the cross rod 2 are respectively assembled in the vertical hole and the horizontal hole, and the position adjusting block 3 is also provided with a jacking mechanism for adjusting and positioning the positions of the vertical rod 1 and the cross rod 2.
The jacking mechanism comprises a jacking block 21, an extrusion block 27, a driving device and a gear mechanism.
Be provided with the kicking block hole on the position control piece 3, the kicking block is assembled in the kicking block hole, the tip of kicking block is used for the butt on the lateral wall of horizontal pole, the extrusion piece sets up one side of kicking block, and be located between kicking block and the montant, be provided with the extrusion face 28 of slope on the lateral wall of kicking block, the axial slope of extrusion face 28 along the kicking block, be provided with on the extrusion piece 27 with extrusion face complex inclined plane, when the kicking block removed to the horizontal pole, make the extrusion piece remove to one side of montant 1 through the extrusion face, the lateral wall of extrusion piece and the lateral wall butt of montant, realize the mutual location of extrusion piece and montant, the tip of kicking block is fixed a position the.
The lateral wall of the extrusion block is provided with a groove matched with the lateral wall of the vertical rod, the groove is abutted against the lateral wall of the vertical rod during positioning, and a rubber layer 26 is arranged in the groove.
When the horizontal position of the cross rod is adjusted, the end part of the ejector block is moved to be separated from the side wall of the cross rod, at the moment, under the elastic action of the rubber layer, the ejector block still applies pressure through the extrusion block, so that the position adjusting block and the vertical rod are kept in a mutual positioning state, double positioning of the cross rod and the vertical rod can be achieved through the ejector block, and meanwhile, the height can be still kept in positioning when the extending length of the cross rod is adjusted.
The driving device is arranged at the end part of the ejector block and used for driving the ejector block to axially move along the ejector block hole, and comprises an adjusting sleeve 22, a connecting sleeve 23 and a thread plate 24.
The connecting sleeve is provided with a stepped hole, one end of the adjusting sleeve is assembled in the stepped hole of the connecting sleeve, the connecting sleeve is fixedly connected with the ejector block through threads, the other end of the adjusting sleeve extends out of the ejector block hole, the threaded plate 24 is sleeved on the adjusting sleeve 22 through threads, and the threaded plate 24 is fixedly connected to the opening of the ejector block hole.
The end of the adjusting sleeve 22 is provided with a hand wheel 4, and the adjusting sleeve is driven to rotate by the hand wheel so as to drive the ejector block to move.
The gear mechanism for adjusting the projecting length of the cross bar 2 includes a spline shaft 25 and engaging teeth 11.
Set up the bar hole along its axial on the horizontal pole, this meshing tooth 11 sets up the top surface or the bottom surface in bar hole, and the center of adjusting collar is provided with the shaft hole, and integral key shaft 25 sets up in the shaft hole, and the tip of integral key shaft 25 passes the kicking block and stretches into to the bar hole of horizontal pole to with the meshing tooth 11 meshing, the tip of regulating spindle is stretched out to the other end of integral key shaft, can realize the regulation that the horizontal pole stretches out length through rotating the integral key shaft.
The end parts of the same ends of the adjusting sleeve and the spline shaft are provided with outer hexagonal structures with the same size, the hand wheel is assembled on the outer hexagonal structures, the adjusting sleeve and the spline shaft can be rotated by moving the hand wheel, and the structures of the adjusting sleeve and the spline shaft are simplified.
The montant is the telescopic link, including interior pole and the outer pole that establishes each other cover, and the upper end and the position control pole of interior pole are connected, and the upper end of outer pole is provided with the lock sleeve, and the lower part of the hole of lock sleeve is passed through the screw thread and is connected with the outer pole, and the upper portion of hole is the taper hole to the upper end lateral wall of outer pole is provided with axial collision seam, and rotatory lock sleeve extrudees the upper end of outer pole through the taper hole, realizes the regulation location of interior pole and interior pole.
The following is a detailed description of the method of using the sternum position fixation device for a single-port thoracoscope according to the present invention.
Firstly, the outer rod of the vertical rod 1 is fixed on one side of the operating table, the inner rod is pulled upwards to a proper length, and the inner rod and the outer rod are limited through the locking sleeve.
Then, the cross rod is installed on the position adjusting block 3, the position adjusting block 3 is sleeved on the vertical rod, the adjusting sleeve 22 is rotated through the hand wheel, the ejector block moves towards one side of the cross rod, meanwhile, the extrusion surface of the ejector block enables the extrusion block to move, the rubber layer is abutted against the side wall of the vertical rod, the rubber layer deforms, and positioning of the position adjusting block and the vertical rod is achieved.
Then, the hand wheel is moved to the end part of the spline shaft, the spline shaft is rotated to adjust the extending length of the cross rod through the meshing teeth, so that the shaft sleeve on the cross rod is positioned on the upper part of the wound, and the draw hook 10 is fixedly connected to the lower end of the rack.
And finally, the rack is driven to move by the gear, so that the sternum is lifted to a preset height position by the draw hook, and the gear is locked by the cam locking rod, thereby completing the lifting and positioning of the sternum.
The invention provides a sternum position fixing device for a single-hole thoracoscope, which comprises a position adjusting block, a cross rod and a vertical rod which are arranged on the position adjusting block, the end part of the cross rod is connected with the drag hook through a gear rack structure, the drag hook integrally adopts a clamp design, the operation space of the operation is increased to the maximum extent, the operation visual field is provided clearly, meanwhile, the pulling plate of the draw hook adopts a flat design, and an adjusting plate which can extend towards two sides is arranged in the pulling plate, the contact area of the draw hook and the sternum is increased according to the whole area of the adjusting draw plate of different patients, the connection stability is ensured, the sternum position fixing device has simple structure, can be connected through a quick detachable structure, can be quickly installed and detached, is convenient to use and carry, meanwhile, the positions of the draw hooks can be quickly adjusted, the operation time is shortened, the operation risk is reduced, and the use value and the popularization value are higher.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (10)
1. A sternum position fixing device for a single-hole thoracoscope is characterized by comprising a vertical rod (1), a cross rod (2), a draw hook (10) and a position adjusting block (3) for adjusting the height of the cross rod;
the vertical rod (1) and the cross rod (2) are arranged in the position adjusting block (3) and are arranged in a cross shape, the draw hook (10) is arranged at the end part of the cross rod (2) through an adjusting device, and the adjusting device is used for adjusting the height of the draw hook;
drag hook (10) are including arm-tie (15) and swash plate (14) that are the contained angle setting, arm-tie (15) level sets up, the lower extreme of swash plate (14) is connected with the one end of arm-tie, the upper end and the adjusting device of swash plate (14) are connected, arm-tie (15) are hollow structure, its inside both sides are provided with regulating plate (18), regulating plate (18) are close to the one end of swash plate and articulate with the arm-tie, be provided with worm gear between two regulating plates, worm gear passes through link mechanism and is connected with two regulating plates, worm gear can make regulating plate (18) rotate to the outside of arm-tie along the hinged end through link mechanism.
2. The sternum position fixation device for a mono-port thoracoscope according to claim 1, characterized in that the angle between the pulling plate (15) and the sloping plate (14) is 70-50 °.
3. The sternum position fixing device for the single-hole thoracoscope according to claim 1, wherein the worm gear mechanism comprises a worm wheel (16) and a worm (17), the worm (17) is arranged in the cavity of the pulling plate, the two ends of the worm are rotatably supported at the two ends of the pulling plate, one end of the worm (17) close to the inclined plate is communicated with the outside, the worm wheel (16) is sleeved on the worm, and the connecting rod mechanism is connected with the worm wheel.
4. The sternum position fixation device for a single-port thoracoscope according to claim 3, wherein the linkage comprises two connecting rods (19) symmetrically arranged on both sides of the worm, one end of the connecting rod (19) is hinged with the worm wheel, and the other end is hinged with one side of the adjusting plate.
5. The sternum position fixation device for a single-port thoracoscope according to claim 1, wherein the top surface of the pulling plate is provided with anti-slip lines.
6. The sternum position fixation device for a single-port thoracoscope according to claim 1, characterized in that the adjustment device comprises a bushing (12), a guide block (5), a rack (8) and a gear (6);
the shaft sleeve is fixedly sleeved on the cross rod (2), the guide block (5) is fixedly connected to one side of the shaft sleeve (12), a vertical rack mounting hole is formed in the guide block (5), the rack (8) is assembled in the rack hole, the lower end of the rack is connected with the pull plate, and the gear is mounted on the guide plate and meshed with the rack.
7. The sternum position fixation device for a single-port thoracoscope according to claim 6, wherein the guide block (5) is provided with a guide sleeve (13) on its side wall, the gear is provided with a rotating shaft at its center, the end of the rotating shaft passes through the guide sleeve (13) and extends to the outside of the guide block (5), the end of the rotating shaft is hinged with a cam lock lever, and the cam of the cam lock lever abuts against the end surface of the guide sleeve (13).
8. The sternum position fixing device for the single-hole thoracoscope according to claim 1, wherein the position adjusting block (3) comprises a top block (21) and a pressing block (27), the end of the top block is used to abut against the side wall of the cross rod, the pressing block is arranged on one side of the top block and located between the top block and the vertical rod, the side wall of the top block is provided with an inclined pressing surface (28), the pressing surface (28) is inclined along the axial direction of the top block, and when the top block moves towards the direction of the cross rod, the pressing block can be moved towards one side of the vertical rod (1) to position the height of the position adjusting block (3).
9. The sternum position fixing device for a single-port thoracoscope according to claim 8, wherein the top block is provided with an adjusting sleeve (22), one end of the adjusting sleeve (22) is sleeved with the top block, and the other end of the adjusting sleeve is in threaded connection with the position adjusting block and extends to the outside of the position adjusting block.
10. The sternum position fixation device for a single-port thoracoscope according to claim 9, wherein the position adjustment block is provided with a gear mechanism for adjusting the extension length of the cross bar, comprising a spline shaft (25) and engaging teeth (11);
set up the bar hole along its axial on the horizontal pole, this meshing tooth (11) set up the top surface or the bottom surface in bar hole, and the integral key shaft sets up in the shaft hole of adjusting collar to the one end of integral key shaft (25) is passed the kicking block and is stretched into to the bar hole of horizontal pole in, and with meshing tooth (11) meshing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110595302.8A CN113116421A (en) | 2021-05-28 | 2021-05-28 | Sternum position fixing device for single-hole thoracoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110595302.8A CN113116421A (en) | 2021-05-28 | 2021-05-28 | Sternum position fixing device for single-hole thoracoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113116421A true CN113116421A (en) | 2021-07-16 |
Family
ID=76782826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110595302.8A Pending CN113116421A (en) | 2021-05-28 | 2021-05-28 | Sternum position fixing device for single-hole thoracoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113116421A (en) |
-
2021
- 2021-05-28 CN CN202110595302.8A patent/CN113116421A/en active Pending
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