CN216963131U - Safe suction device for spinal surgery - Google Patents
Safe suction device for spinal surgery Download PDFInfo
- Publication number
- CN216963131U CN216963131U CN202122301979.4U CN202122301979U CN216963131U CN 216963131 U CN216963131 U CN 216963131U CN 202122301979 U CN202122301979 U CN 202122301979U CN 216963131 U CN216963131 U CN 216963131U
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- Prior art keywords
- pipe
- middle position
- seat
- box
- bolt
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- Expired - Fee Related
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- 238000001356 surgical procedure Methods 0.000 title claims abstract description 15
- 238000000746 purification Methods 0.000 claims abstract description 30
- 238000010521 absorption reaction Methods 0.000 claims abstract description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 37
- 239000012535 impurity Substances 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000000416 exudates and transudate Anatomy 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 210000004915 pus Anatomy 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model provides a safe suction device for spinal surgery, which comprises a movable seat, a movable brake wheel, a push rod, a fixed frame, a support rod, a vacuum pump, a lifting telescopic hanging rod structure, a buffer fixed seat structure capable of being sleeved, a gas-collecting purification bottle structure, an output pipe, an input pipe, a connecting hose, an absorption pipe and an anti-skid sleeve. According to the utility model, the fixing box, the buffer spring, the plug-in box, the fixing seat, the collecting bottle and the second sleeving pipe are arranged, so that the collecting bottle can be lifted by pressing the fixing seat in the use process, and the collecting bottle can be conveniently detached and installed in the use process; the collecting bottle, second cover is taken over, and the purifying box purifies the setting of net piece and blast pipe, is favorable to carrying out gas outgoing through purifying box and blast pipe at the in-process of collecting impurity, carries out gas purification work through purifying the net piece at the exhaust in-process, and the convenience is carried out gas purification at the in-process that uses.
Description
Technical Field
The utility model belongs to the technical field of medical equipment, and particularly relates to a safe suction device for spinal surgery.
Background
The aspirator is used for aspirating and removing the contents of hemorrhage, exudates, pus and thoracic organs in the operation, so that the operation is clear, and the pollution chance is reduced. The principle of the suction apparatus is very simple, namely the negative pressure state of the suction head is manufactured by a certain method, so that substances outside the suction head can be extruded to the suction head by atmospheric pressure, thereby completing the suction effect.
However, the existing suction device also has the problems that the collecting bottle is inconvenient to disassemble in the using process, the gas purification work is inconvenient to carry out in the using process and the connection with a sickbed is inconvenient to carry out in the using process.
Therefore, it is necessary to develop a safe suction device for spinal surgery.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a safe suction device for spinal surgery, which aims to solve the problems that the existing suction device is inconvenient to detach a collecting bottle in the using process, to purify gas in the using process and to be connected with a sickbed in the using process. A safe suction device for spinal surgery comprises a moving seat, a moving brake wheel, a push rod, a fixing frame, a supporting rod, a vacuum pump, a liftable telescopic hanging rod structure, a buffer fixing seat structure capable of being sleeved, a collectable gas purification bottle structure, an output pipe, an input pipe, a connecting hose, an absorption pipe and an anti-skid sleeve, wherein the moving brake wheel is respectively bolted at the four corners of the lower end of the moving seat; the lower end of the push rod is connected with the middle position of the left side of the upper end of the movable seat through a bolt; the lower end of the fixed frame is connected with the middle position of the upper end of the movable seat through a bolt; the lower end of the supporting rod is connected with the middle position of the right side of the upper end of the movable seat through a bolt; the vacuum pump is connected to the middle position of the upper end of the fixing frame through a bolt; the lifting telescopic hanging rod structure is arranged in the middle of the outer wall of the supporting rod; the buffer fixed seat structure capable of being sleeved is arranged in the middle of the upper end of the movable seat and is arranged at the bottom end inside the fixed frame; the gas collectable purification bottle structure is arranged at the upper end of the muff-coupling buffer fixing seat structure; the output pipe penetrates through the middle position inside the upper end of the fixing frame and is in threaded connection with the middle position inside the lower end of the vacuum pump; the lower end of the input pipe is in threaded connection with the middle position inside the upper end of the vacuum pump; one end of the connecting hose is sleeved on the outer wall of the right end of the input pipe; the other end of the connecting hose is sleeved on the outer wall of the left end of the absorption pipe; the antiskid sleeve is sleeved on the right side of the outer wall of the absorption tube.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the fixing box, the buffer spring, the plug box, the fixing seat, the collecting bottle and the second sleeving pipe are arranged, so that the collecting bottle can be lifted by pressing the fixing seat in the using process, and the collecting bottle can be conveniently detached and installed in the using process.
According to the utility model, the arrangement of the collecting bottle, the second sleeving pipe, the purifying box, the purifying net piece and the exhaust pipe is beneficial to discharging gas through the purifying box and the exhaust pipe in the impurity collecting process, and gas purification work is carried out through the purifying net piece in the discharging process, so that gas purification is convenient to carry out in the using process.
According to the utility model, the first sleeving pipe, the U-shaped seat, the rotating pipe, the hanging rod, the movable seat and the supporting rod are arranged, so that the first sleeving pipe can be hung at a proper position of a sickbed through the hanging rod in the using process, and the equipment can be conveniently fixed in the using process.
According to the utility model, the arrangement of the first sleeving pipe, the puller bolt, the U-shaped seat, the rotating pipe, the hanging rod and the supporting rod is beneficial to loosening the puller bolt in the using process and then sliding the first sleeving pipe up and down, so that the height adjustment work of the hanging rod is facilitated in the using process.
According to the utility model, the fixing box, the buffer spring, the plug box, the fixing seat, the clamping plate, the collecting bottle, the second sleeving pipe and the fixing frame are arranged, so that the fixing seat can be pushed by the buffer spring in the using process, the collecting bottle can be pushed at the same time, the pressure between the collecting bottle and the fixing frame can be increased, meanwhile, the left side and the right side of the lower end of the collecting bottle can be clamped by the clamping plate, the collecting bottle can be conveniently fixed in the using process, and the phenomenon that impurities collected in the collecting bottle are scattered to cause infection can be prevented.
In the utility model, the arrangement of the fixed box, the buffer spring, the plug box, the fixed seat and the movable seat is beneficial to carrying out buffer protection work on the buffer spring in the use process and preventing the buffer spring from being corroded to influence the work in the use process.
In the utility model, the arrangement of the moving seat, the moving brake wheel, the push rod, the fixing frame, the supporting rod and the vacuum pump is beneficial to catching the outer wall of the upper end of the push rod in the using process and pushing the moving seat to move, so that the moving seat is convenient to move in the using process.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the liftable and retractable hitching rod structure of the present invention;
FIG. 3 is a schematic structural view of the base structure of the present invention;
fig. 4 is a schematic structural diagram of the structure of the collectable gas purification bottle of the present invention.
In the figure:
1. a movable seat; 2. moving the brake wheel; 3. a push rod; 4. a fixed mount; 5. a support bar; 6. a vacuum pump; 7. a lifting telescopic hanging rod structure; 71. a first socket pipe; 72. jacking the bolt; 73. a U-shaped seat; 74. rotating the tube; 75. adjusting the bolt; 76. hanging a connecting rod; 8. the buffer fixing seat structure can be sleeved; 81. a fixed box; 82. a buffer spring; 83. a plug box; 84. a fixed seat; 85. a clamping plate; 9. a gas collecting and purifying bottle structure; 91. a collection bottle; 92. a second sleeving tube; 93. a purification box; 94. purifying the mesh sheet; 95. an exhaust pipe; 10. an output pipe; 11. an input tube; 12. a connecting hose; 13. an absorber tube; 14. an anti-slip sleeve.
Detailed Description
The utility model is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, a spine surgery safety suction device comprises a movable base 1, a movable brake wheel 2, a push rod 3, a fixed frame 4, a support rod 5, a vacuum pump 6, a lifting telescopic hanging rod structure 7, a buffer fixed base structure 8, a collectable gas purification bottle structure 9, an output pipe 10, an input pipe 11, a connecting hose 12, an absorption pipe 13 and an anti-skid sleeve 14, wherein the movable brake wheel 2 is respectively connected with the four corners of the lower end of the movable base 1 through bolts; the lower end of the push rod 3 is connected with the middle position of the left side of the upper end of the movable seat 1 through a bolt; the lower end of the fixed frame 4 is connected with the middle position of the upper end of the movable seat 1 through a bolt; the lower end of the support rod 5 is connected with the middle position of the right side of the upper end of the movable seat 1 through a bolt; the vacuum pump 6 is connected to the middle position of the upper end of the fixed frame 4 through a bolt; the lifting telescopic hanging rod structure 7 is arranged in the middle of the outer wall of the support rod 5; the buffer fixed seat structure 8 capable of being sleeved is arranged in the middle of the upper end of the movable seat 1 and is arranged at the bottom end inside the fixed seat 4; the gas collectable purification bottle structure 9 is arranged at the upper end of the buffer fixing seat structure 8; the output pipe 10 penetrates through the middle position inside the upper end of the fixing frame 4 and is in threaded connection with the middle position inside the lower end of the vacuum pump 6; the lower end of the input pipe 11 is in threaded connection with the middle position inside the upper end of the vacuum pump 6; one end of the connecting hose 12 is sleeved on the outer wall of the right end of the input pipe 11; the other end of the connecting hose 12 is sleeved on the outer wall of the left end of the absorption pipe 13; the antiskid sleeve 14 is sleeved on the right side of the outer wall of the absorption pipe 13; the lifting telescopic hanging rod structure 7 comprises a first sleeving pipe 71, a tightening bolt 72, a U-shaped seat 73, a rotating pipe 74, an adjusting bolt 75 and a hanging rod 76, wherein the tightening bolt 72 is in threaded connection with the middle position of the front surface of the first sleeving pipe 71; the U-shaped seat 73 is connected to the middle position of the right side of the first sleeving pipe 71 through a bolt; the upper end of the rotating pipe 74 is coupled to the middle position inside the right side of the U-shaped seat 73; the adjusting bolt 75 is in threaded connection with the middle position of the lower part of the front surface of the rotating pipe 74; the upper end of the hanging rod 76 is inserted in the middle position inside the lower side of the rotating pipe 74; when in use, the outer wall of the upper end of the push rod 3 is grabbed, the movable seat 1 is pushed to move, the movable seat 1 is moved to a proper position, then the jacking bolt 72 is loosened, the first sleeving pipe 71 slides up and down, the first sleeving pipe 71 is moved to a proper position, the jacking bolt 72 is screwed, the adjusting bolt 75 is loosened, the rotating pipe 74 and the hanging rod 76 are rotated, the hanging rod 76 is hung at a proper position, then the adjusting bolt 75 is screwed, and equipment fixing work is conveniently carried out in the using process.
In this embodiment, referring to fig. 3, the sockable buffer fixing seat structure 8 includes a fixing box 81, a buffer spring 82, a plug box 83, a fixing seat 84 and a clamping plate 85, wherein the lower end of the buffer spring 82 is sequentially bolted to the bottom end inside the fixing box 81 from left to right; the upper end of the buffer spring 82 is sequentially bolted to the top end of the interior of the plug box 83 from left to right; the plug box 83 is connected with the middle position of the lower end of the fixed seat 84 through a bolt; the clamping plates 85 are respectively bolted on the left side and the right side of the upper end of the fixed seat 84; the equipment is fixed, and fixing base 84 is moved to the pushing down, places storage mechanism in the upper end of fixing base 84, carries out clamping work through grip block 85 to make buffer spring 82's upper end promote plug box 83 and remove, conveniently carry out storage mechanism fixed work at the in-process that uses, prevent that in-process storage mechanism that uses from droing and influencing work.
In this embodiment, referring to fig. 4, the gas collecting and purifying bottle structure 9 includes a collecting bottle 91, a second connecting tube 92, a purifying box 93, a purifying mesh 94 and an exhaust pipe 95, wherein the second connecting tube 92 is screwed in the middle of the upper end of the collecting bottle 91; the purification box 93 is connected to the middle position of the left side of the upper end of the collection bottle 91 through a bolt; the purification net piece 94 is sequentially connected to the inner wall of the purification box 93 from top to bottom through screws; the lower end of the exhaust pipe 95 is in threaded connection with the middle position inside the upper end of the purification box 93; after the collecting bottle 91 is fixed, the second sleeving pipe 92 is sleeved outside the lower end of the output pipe 10, the inserting box 83 is pushed through the buffer spring 82, the pressure between the collecting bottle 91 and the fixing frame 4 is increased, an external lead is used for switching on a power supply, then the vacuum pump 6 starts to work, the absorption pipe 13 is enabled to perform absorption work through power generated in the work of the vacuum pump 6, the anti-skidding sleeve 14 is grabbed, the absorption pipe 13 is taken, the right end of the absorption pipe 13 is enabled to be in contact with an absorption position for absorption work, the output pipe 10, the input pipe 11 and the connecting hose 12 are matched, impurities are conveyed to the inside of the collecting bottle 91, in the absorption process, gas is exhausted through the purifying box 93 and the exhaust pipe 95, in the exhausting process, gas purification work is performed through the net piece 94, and then the safe absorption work is completed.
In this embodiment, specifically, the absorption tube 13 is a stainless steel tube with an arc-shaped right end and is provided with a through hole; the anti-skid sleeve 14 is a silica gel sleeve with anti-skid bulges arranged on the outer wall; the fixing frame 4 adopts an inverted U-shaped stainless steel frame, and the top end of the inner part of the fixing frame is connected with a silica gel ring.
In this embodiment, specifically, the adjusting bolt 75 is disposed in contact with the hitching bar 76; the hanging rod 76 adopts an L-shaped stainless steel rod; the jacking bolt 72 penetrates through the middle position of the front surface of the first sleeving pipe 71.
In this embodiment, specifically, the first sleeving pipe 71 is sleeved in the middle of the outer wall of the supporting rod 5 in a sliding manner; the puller bolt 72 is arranged in contact with the support rod 5; the rotating pipe 74 and the hanging rod 76 are arranged at the middle position of the right side of the upper end of the movable seat 1.
In this embodiment, specifically, the lower end of the inserting box 83 is inserted into the middle position inside the upper side of the fixing box 81; the clamping plate 85 is a rectangular stainless steel plate with elasticity.
In this embodiment, specifically, the fixing box 81 is bolted to the middle position of the upper end of the movable base 1 and is disposed at the middle position of the bottom end of the fixing frame 4.
In this embodiment, specifically, the purification box 93 is a stainless steel box with an open lower end and is communicated with the collection bottle 91; the purification box 93 is communicated with an exhaust pipe 95; the purification net 94 is arranged on the left side of the upper end of the collecting bottle 91.
In this embodiment, specifically, the upper end of the second sleeving connection tube 92 is sleeved on the outer wall of the lower end of the output tube 10 and is in contact with a silica gel ring arranged at the top end inside the fixing frame 4; the exhaust pipe 95 penetrates through the middle position inside the left side of the upper end of the fixing frame 4; the lower end of the collecting bottle 91 is arranged in the middle of the upper end of the fixed seat 84 and between the clamping plates 85.
Principle of operation
In the utility model, when in use, the outer wall of the upper end of the push rod 3 is grasped, the movable seat 1 is pushed to move, the movable seat 1 is moved to a proper position, then the jacking bolt 72 is loosened, the first sleeving pipe 71 is slid up and down, the first sleeving pipe 71 is moved to a proper position, the jacking bolt 72 is screwed down, the adjusting bolt 75 is loosened, the rotating pipe 74 and the hanging rod 76 are rotated to enable the hanging rod 76 to be hung at a proper position, then the adjusting bolt 75 is screwed down, the equipment fixing work is convenient to be carried out in the use process, the equipment is fixed, the fixed seat 84 is pressed downwards, the storage mechanism is placed at the upper end of the fixed seat 84, the clamping work is carried out through the clamping plate 85, and the upper end of the buffer spring 82 pushes the plug-in box 83 to move, the storage mechanism fixing work is convenient to be carried out in the use process, the storage mechanism is prevented from falling off and the work is influenced in the use process, after the collecting bottle 91 is fixed, the second sleeving connecting pipe 92 is sleeved outside the lower end of the output pipe 10, the inserting box 83 is pushed through the buffer spring 82, the pressure between the collecting bottle 91 and the fixing frame 4 is increased, an external lead is used for switching on a power supply, then the vacuum pump 6 starts to work, the absorption pipe 13 is enabled to carry out absorption work through power generated in the work of the vacuum pump 6, the anti-skidding sleeve 14 is grasped, the absorption pipe 13 is taken out, the right end of the absorption pipe 13 is enabled to be in contact with an absorption position for carrying out absorption work, impurities are conveyed to the inside of the collecting bottle 91 through the cooperation of the output pipe 10, the input pipe 11 and the connecting hose 12, in the absorption process, gas is discharged through the purifying box 93 and the exhaust pipe 95, in the discharging process, gas purification work is carried out through the purifying net 94, and then the safety absorption work is completed.
The technical solutions of the present invention or those skilled in the art, based on the teachings of the technical solutions of the present invention, are designed to achieve the above technical effects, and all of them fall into the protection scope of the present invention.
Claims (6)
1. A safe suction device for spinal surgery comprises a moving seat (1), a moving brake wheel (2), a push rod (3), a fixing frame (4), a supporting rod (5), a vacuum pump (6), a lifting telescopic hanging rod structure (7), a buffer fixing seat structure (8) which can be sleeved, a collectable gas purification bottle structure (9), an output pipe (10), an input pipe (11), a connecting hose (12), an absorption pipe (13) and an anti-skid sleeve (14), wherein the moving brake wheel (2) is respectively bolted at the four corners of the lower end of the moving seat (1); the lower end of the push rod (3) is connected with the middle position of the left side of the upper end of the movable seat (1) through a bolt; the lower end of the fixed frame (4) is connected with the middle position of the upper end of the movable seat (1) through a bolt; the lower end of the supporting rod (5) is connected with the middle position of the right side of the upper end of the movable seat (1) through a bolt; the vacuum pump (6) is connected to the middle position of the upper end of the fixing frame (4) through a bolt; the output pipe (10) penetrates through the middle position inside the upper end of the fixing frame (4) and is in threaded connection with the middle position inside the lower end of the vacuum pump (6); the lower end of the input pipe (11) is in threaded connection with the middle position inside the upper end of the vacuum pump (6); one end of the connecting hose (12) is sleeved on the outer wall of the right end of the input pipe (11); the other end of the connecting hose (12) is sleeved on the outer wall of the left end of the absorption pipe (13); the anti-skid sleeve (14) is sleeved on the right side of the outer wall of the absorption pipe (13); it is characterized in that the liftable and telescopic hanging rod structure (7) in the safe suction device for the spinal surgery is arranged in the middle position of the outer wall of the support rod (5); the buffer fixed seat structure (8) capable of being sleeved is arranged in the middle of the upper end of the movable seat (1) and is arranged at the bottom end inside the fixed seat (4); the gas collectable purification bottle structure (9) is arranged at the upper end of the buffer fixing seat structure (8); the lifting telescopic hanging rod structure (7) comprises a first sleeving pipe (71), a tightening bolt (72), a U-shaped seat (73), a rotating pipe (74), an adjusting bolt (75) and a hanging rod (76), wherein the tightening bolt (72) is in threaded connection with the middle position of the front surface of the first sleeving pipe (71); the U-shaped seat (73) is connected to the middle position of the right side of the first sleeving pipe (71) through a bolt; the upper end of the rotating pipe (74) is coupled to the middle position inside the right side of the U-shaped seat (73) in a shaft mode; the adjusting bolt (75) is in threaded connection with the middle position of the lower part of the front surface of the rotating pipe (74); the upper end of the hanging rod (76) is inserted in the middle of the lower side of the rotating pipe (74).
2. The safety suction device for spinal surgery as recited in claim 1, characterized in that the socketable buffer fixing seat structure (8) comprises a fixing box (81), a buffer spring (82), a plug-in box (83), a fixing seat (84) and a clamping plate (85), wherein the lower end of the buffer spring (82) is sequentially bolted at the inner bottom end of the fixing box (81) from left to right; the upper end of the buffer spring (82) is sequentially connected to the top end of the interior of the plug box (83) through bolts from left to right; the plug-in box (83) is connected to the middle position of the lower end of the fixed seat (84) through a bolt; the clamping plates (85) are respectively connected to the left side and the right side of the upper end of the fixed seat (84) through bolts.
3. The safety suction device for spinal surgery as recited in claim 1, characterized in that said collectable gas purification bottle structure (9) comprises a collection bottle (91), a second sleeving tube (92), a purification box (93), a purification mesh (94) and an exhaust pipe (95), said second sleeving tube (92) is screwed in the middle position inside the upper end of the collection bottle (91); the purification box (93) is connected to the middle position of the left side of the upper end of the collection bottle (91) through a bolt; the purification net sheets (94) are sequentially connected to the inner wall of the purification box (93) through screws from top to bottom; the lower end of the exhaust pipe (95) is in threaded connection with the middle inside the upper end of the purification box (93).
4. The safety suction device for spinal surgery as recited in claim 2, wherein the first sleeving tube (71) is sleeved in the middle position of the outer wall of the supporting rod (5) in a sliding way; the puller bolt (72) is contacted with the support rod (5); the rotating pipe (74) and the hitching rod (76) are arranged at the middle position of the right side of the upper end of the moving seat (1).
5. The safety suction device for spinal surgery as recited in claim 2, wherein the fixed box (81) is bolted to the middle position of the upper end of the movable base (1) and is disposed at the middle position of the inner bottom end of the fixed frame (4).
6. The safety suction device for spinal surgery as recited in claim 3, characterized in that the upper end of the second sleeving tube (92) is sleeved on the outer wall of the lower end of the output tube (10) and is arranged in contact with a silica gel ring arranged at the top end inside the fixed frame (4); the exhaust pipe (95) penetrates through the middle position inside the left side of the upper end of the fixing frame (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122301979.4U CN216963131U (en) | 2021-09-23 | 2021-09-23 | Safe suction device for spinal surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122301979.4U CN216963131U (en) | 2021-09-23 | 2021-09-23 | Safe suction device for spinal surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216963131U true CN216963131U (en) | 2022-07-15 |
Family
ID=82337653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122301979.4U Expired - Fee Related CN216963131U (en) | 2021-09-23 | 2021-09-23 | Safe suction device for spinal surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216963131U (en) |
-
2021
- 2021-09-23 CN CN202122301979.4U patent/CN216963131U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220715 |