CN210408553U - Bone tumor operation puncture positioning device with accurate positioning and guiding - Google Patents
Bone tumor operation puncture positioning device with accurate positioning and guiding Download PDFInfo
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- CN210408553U CN210408553U CN201920490586.2U CN201920490586U CN210408553U CN 210408553 U CN210408553 U CN 210408553U CN 201920490586 U CN201920490586 U CN 201920490586U CN 210408553 U CN210408553 U CN 210408553U
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Abstract
The utility model belongs to the technical field of medical instruments, in particular to a bone tumor operation puncture positioning device with accurate positioning and guiding, which comprises a pair of fixed seats, wherein the pair of fixed seats are both connected with a first telescopic rod; the telescopic ends of the first telescopic rods are provided with first adjusting square shafts, the telescopic ends of the pair of first telescopic rods are connected through the first adjusting square shafts, and the first adjusting square shafts are connected with second adjusting square shafts in a sliding mode; a second telescopic rod is connected to the second adjusting square shaft in a sliding manner, and the telescopic end of the second telescopic rod is connected with a fine adjustment structure; the fine adjustment structure includes the vertical fine adjustment structure of being connected with the flexible end of second telescopic link, is connected with horizontal fine adjustment structure on the vertical fine adjustment structure, and horizontal fine adjustment is structural to be connected with the puncture structure, the utility model discloses the effectual position of having solved current pjncture needle puncture when using and the difficult problem of control of the depth of insertion of pjncture needle.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, a puncture positioner is related to, concretely relates to accurate bone tumour operation puncture positioner of location guide.
Background
Bone tumors are tumors that occur in the bone or its ancillary tissues. The bone cancer is divided into benign and malignant tumors, the benign bone tumor is easy to be radically cured, the prognosis is good, the malignant bone tumor develops rapidly, the prognosis is not good, and the mortality rate is high. Malignant bone tumors are classified as primary and secondary. The malignant tumor transferred from other tissues or organs in the body to the bone through blood circulation and lymphatic system is secondary malignant bone tumor. The other type of lesion is called tumor-like lesion, the tissue of the tumor-like lesion has no characteristics of tumor cell morphology, but the ecology and behavior of the lesion have the destructiveness of the tumor, and the lesion is generally limited and easy to cure radically.
At present, when a patient is punctured by a puncture needle by medical personnel during puncture biopsy in an oncology department, the puncture position and the insertion depth of the puncture needle are judged by the experience of the medical personnel, so that errors are easily caused in the puncture; repeated puncture not only causes great pain to patients, but also brings great labor intensity to medical staff.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model provides a location guide accurate bone tumor operation puncture positioner, the effectual not easily controlled problem of the position of having solved current pjncture needle puncture when using and the depth of insertion of pjncture needle.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a bone tumor operation puncture positioning device with accurate positioning and guiding comprises a pair of fixed seats, wherein the pair of fixed seats are connected with first telescopic rods; the telescopic ends of the first telescopic rods are provided with first adjusting square shafts, the telescopic ends of the pair of first telescopic rods are connected through the first adjusting square shafts, and the first adjusting square shafts are connected with second adjusting square shafts in a sliding mode; a second telescopic rod is connected to the second adjusting square shaft in a sliding manner, and the telescopic end of the second telescopic rod is connected with a fine adjustment structure; the fine adjustment structure comprises a vertical fine adjustment structure connected with the telescopic end of the second telescopic rod, the vertical fine adjustment structure is connected with a horizontal fine adjustment structure, and the horizontal fine adjustment structure is connected with a puncture structure;
the vertical fine adjustment structure comprises a vertical adjustment box connected with the telescopic end of the second telescopic rod, and a vertical adjustment screw rod is rotatably connected to the vertical adjustment box; the vertical adjusting screw rod is in threaded connection with an adjusting slide block, and the adjusting slide block is in sliding connection with a vertical adjusting box;
the horizontal micro-adjusting structure comprises a horizontal adjusting block fixedly connected with an adjusting slide block, and an adjusting through hole is formed in the horizontal adjusting block; an outer ball is arranged in the adjusting through hole, and an inner ball is connected to the upper ball of the outer ball; the outer ball is connected with a first horizontal rod, the outer ball is also connected with a second horizontal rod which is perpendicular to the first horizontal rod, and a horizontal sliding groove which is matched with the first horizontal rod and the second horizontal rod is arranged on the horizontal adjusting block; the horizontal adjusting block is connected with a fixing bolt in a threaded mode, the fixing bolt is rotatably connected with an extrusion plate matched with the first horizontal rod, and the extrusion plate is connected with the horizontal adjusting block in a sliding mode.
Furthermore, the puncture structure comprises a sliding cylinder connected with the inner ball, and the inner ball is provided with a through hole matched with the sliding cylinder; an arc-shaped connecting plate is connected to the sliding barrel, an arc-shaped supporting plate is connected to one end, away from the sliding barrel, of the arc-shaped connecting plate, a puncture screw rod is screwed to the arc-shaped supporting plate, a fixing barrel is arranged between the arc-shaped supporting plate and the sliding barrel, and a fixing screw is arranged on the fixing barrel; and the fixed cylinder is connected with a puncture sliding cylinder in threaded connection with a puncture screw rod.
Furthermore, puncture scale marks are arranged on the arc-shaped connecting plate, and a puncture pointer matched with the puncture scale marks is arranged on the fixed cylinder; the first adjusting square shaft and the adjusting scale marks are arranged on the first adjusting square shaft, the second telescopic rod is provided with a second sliding block which is in sliding connection with the second adjusting square shaft, and the second sliding block is provided with an adjusting pointer which is matched with the adjusting scale marks.
Furthermore, the fixed seat comprises a fixed connecting plate, two ends of the fixed connecting plate are respectively connected with a fixed supporting plate and a fixed plate, and the fixed plate is connected with the first telescopic rod; the movable plate is arranged between the fixed supporting plate and the fixed plate, the movable plate is connected with the fixed connecting plate in a sliding mode, the fixed supporting plate is connected with a fixed screw rod in a rotating mode, a fixed sliding barrel is connected to the fixed screw rod in a threaded mode, and the fixed sliding barrel is fixedly connected with the movable plate.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses when using, adjust square shaft, second telescopic link through first telescopic link, first regulation square shaft, second and carry out three-dimensional coarse adjustment to the puncture structure, carry out three-dimensional fine adjustment to the puncture structure through vertical fine adjustment structure, horizontal fine adjustment structure, the medical personnel of being convenient for puncture, improve the effect of puncture.
Drawings
Fig. 1 is an isometric view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a first axis mapping of the middle micro-adjustment structure of the present invention;
fig. 4 is a first axis mapping of the middle micro-adjustment structure of the present invention;
in the figure: 1. fixing base, 2, first telescopic link, 3, fine adjustment structure, 4, second telescopic link, 5, second regulation square shaft, 6, first regulation square shaft, 7, connecting plate, 8, vertical regulating box, 9, vertical spout, 10, vertical adjust knob, 11, puncture lead screw, 12, puncture slide cartridge, 13, solid fixed cylinder, 14, arc connecting plate, 15, slide cartridge, 16, interior ball, 17, fixing bolt, 18, first horizon bar, 19, horizontal spout, 20, second horizon bar, 21, vertical adjust lead screw, 22, outer ball, 23, horizontal adjustment piece.
Detailed Description
A bone tumor operation puncture positioning device with accurate positioning and guiding is disclosed, as shown in figures 1-4, and comprises a pair of fixed seats 1, wherein the pair of fixed seats 1 are both connected with a first telescopic rod 2, the first telescopic rod 2 comprises a first telescopic cylinder, a first slide bar is connected on the first telescopic cylinder in a sliding manner, a first fastening screw matched with the first slide bar is arranged on the first telescopic cylinder, a connecting plate 7 is arranged between the pair of first telescopic cylinders, and the pair of first telescopic cylinders are connected through the connecting plate 7; a first adjusting square shaft 6 is arranged at one end, away from the first telescopic cylinder, of each first slide bar, the pair of first slide bars are connected through the first adjusting square shaft 6, a second adjusting square shaft 5 is connected onto the first adjusting square shaft 6 in a sliding manner, a first sliding block connected with the first adjusting square shaft 6 in a sliding manner is arranged on the second adjusting square shaft 5, and a second fastening screw is arranged on the first sliding block; the second adjusting square shaft 5 is connected with a second telescopic rod 4 in a sliding mode, the second telescopic rod 4 comprises a second telescopic cylinder, a second sliding rod is connected onto the second telescopic cylinder in a sliding mode, a fourth fastening screw matched with the second sliding rod is arranged on the second telescopic cylinder, and one end, far away from the second telescopic cylinder, of the second sliding rod is connected with a micro-adjusting structure 3; the fine adjustment structure 3 comprises a vertical fine adjustment structure connected with the second sliding rod, a horizontal fine adjustment structure is connected to the vertical fine adjustment structure, and a puncture structure is connected to the horizontal fine adjustment structure.
When the utility model is used, the fixing seat 1 is used for fixing the device on a sickbed, after the fixing is finished, the coarse adjustment is firstly carried out, the first telescopic rod 2 is used for carrying out the coarse adjustment on the height of the puncture structure, the first adjusting square shaft 6 and the second adjusting square shaft 5 are used for carrying out the vertical secondary adjustment in the horizontal direction of the puncture structure, and the second telescopic rod 4 is used for carrying out the coarse adjustment in the horizontal direction of the puncture structure; the height of the puncture structure is micro-adjusted by using the vertical micro-adjustment structure, and the horizontal direction of the puncture structure is micro-adjusted by using the horizontal micro-adjustment structure.
When the first telescopic rod 2 is used, the first sliding rod slides along the first telescopic cylinder, and after the adjustment is completed, the first sliding rod is fixed by using a first fastening screw; when the first adjusting square shaft 6 and the second adjusting square shaft 5 are adjusted, the second adjusting square shaft 5 slides along the first adjusting square shaft 6 through the first sliding block and is fixed by the second fastening screw, and the second telescopic rod 4 slides and is adjusted along the second adjusting square shaft 5, so that the vertical secondary adjustment in the horizontal direction of the piercing structure is realized; when the second telescopic rod 4 is used, the second sliding rod slides along the second telescopic cylinder, and the fourth fastening screw is used for fixing after the adjustment is completed.
The utility model discloses when using, adjust square shaft 5, second telescopic link 4 through first telescopic link 2, first regulation square shaft 6, second and carry out three-dimensional coarse adjustment to the puncture structure, carry out three-dimensional fine adjustment to the puncture structure through vertical fine adjustment structure, horizontal fine adjustment structure, the medical personnel of being convenient for puncture, improve the effect of puncture.
The vertical fine adjustment structure comprises a vertical adjustment box 8 connected with the second slide bar, a vertical adjustment screw rod 21 is rotatably connected on the vertical adjustment box 8, and a vertical adjustment knob 10 is arranged on the vertical adjustment screw rod 21; the vertical adjusting screw rod 21 is connected with an adjusting slide block in a threaded mode, and the adjusting slide block is connected with the vertical adjusting box 8 in a sliding mode.
The horizontal micro-adjusting structure comprises a horizontal adjusting block 23 fixedly connected with an adjusting slide block, a connecting rod fixedly connected with the adjusting slide block is arranged on the horizontal adjusting block 23, a vertical sliding groove 9 corresponding to the connecting rod is arranged on the vertical adjusting box 8, and an adjusting through hole is arranged on the horizontal adjusting block 23; an outer ball 22 is arranged in the adjusting through hole, and an inner ball 16 is connected to the upper ball of the outer ball 22; the outer ball 22 is connected with a first horizontal rod 18, the outer ball 22 is also connected with a second horizontal rod 20 which is perpendicular to the first horizontal rod 18, and the horizontal adjusting block 23 is provided with a chute which is matched with the first horizontal rod 18 and the second horizontal rod 20; the horizontal adjusting block 23 is connected with a fixing bolt 17 in a threaded mode, the fixing bolt 17 is connected with a squeezing plate matched with the first horizontal rod 18 in a rotating mode, and the squeezing plate is connected with the horizontal adjusting block 23 in a sliding mode.
When the micro-adjusting structure 3 is used and the vertical micro-adjusting structure is adjusted, the adjusting knob is rotated to drive the vertical adjusting screw 21 to rotate along the vertical adjusting box 8, the vertical adjusting screw 21 rotates to drive the adjusting slide block to move up and down along the vertical adjusting box 8, and the adjusting slide block drives the horizontal adjusting block 23 to move up and down through the connecting rod; when the horizontal micro-adjustment structure is adjusted, the outer ball 22 drives the first horizontal rod 18 and the second horizontal rod 20 to horizontally slide along the horizontal sliding groove 19, and the fixing bolt 17 is used for driving the pressurizing plate to extrude and fix the first horizontal rod 18. The puncture structure is micro-adjusted by the micro-adjustment structure 3, so that medical personnel can adjust and fix the puncture needle conveniently, and the puncture effect is improved.
The puncture structure comprises a sliding barrel 15 connected with an inner ball 16, and the inner ball 16 is provided with a through hole matched with the sliding barrel 15; an arc-shaped connecting plate 14 is connected to the sliding barrel 15, an arc-shaped supporting plate is connected to one end, far away from the sliding barrel 15, of the arc-shaped connecting plate 14, a puncture screw rod 11 is screwed on the arc-shaped supporting plate, a fixed barrel 13 is arranged between the arc-shaped supporting plate and the sliding barrel 15, the fixed barrel 13 is connected with the arc-shaped supporting plate in a sliding mode, and a fixing screw is arranged on the fixed barrel 13; the fixed cylinder 13 is connected with a puncture sliding cylinder 12 which is in threaded connection with a puncture screw rod 11.
When the puncture structure is used, the puncture needle penetrates into the fixed cylinder 13 through the inner ball 16 and the sliding cylinder 15, the puncture needle is fixed by using a fixing screw, and the angle of the puncture needle is adjusted by rotating the inner ball 16 along the outer ball 22 due to the ball connection between the inner ball 16 and the outer ball 22, so that the operation of medical personnel is facilitated; during puncture, the puncture screw rod 11 is rotated, and as the puncture screw rod 11 is in threaded connection with the puncture sliding cylinder 12, the puncture screw rod 11 pushes the fixed cylinder 13 to slide along the arc-shaped supporting plate through the puncture sliding cylinder 12, and the fixed cylinder 13 drives the puncture needle to slide along the inner ball 16 to puncture a patient.
The arc-shaped connecting plate 14 is provided with puncture scale marks, the fixed cylinder 13 is provided with a puncture pointer matched with the puncture scale marks, and the puncture scale marks and the puncture pointer are matched so that medical personnel can observe the insertion depth of the puncture needle conveniently, and the operation convenience of the utility model is improved; the first adjusting square shaft 6 and the adjusting scale marks are arranged on the second telescopic rod 4, a second sliding block which is in sliding connection with the second adjusting square shaft 5 is arranged on the second sliding block, a third fastening screw which is matched with the second adjusting square shaft 5 is arranged on the second sliding block, and an adjusting pointer which is matched with the adjusting scale marks is arranged on the second sliding block; when the second telescopic link 4 is adjusted square shaft 5 along the second and is slided, the second slider is adjusted square shaft 5 along the second and is slided to use third fastening screw to fix, adjust the pointer and adjust the scale mark through observing during the regulation, improve the convenience of adjusting.
The fixed seat 1 comprises a fixed connecting plate 7, two ends of the fixed connecting plate 7 are respectively connected with a fixed supporting plate and a fixed plate, and the fixed plate is connected with the first telescopic rod 2; a movable plate is arranged between the fixed supporting plate and the fixed plate, the movable plate is connected with a fixed connecting plate 7 in a sliding mode, the fixed supporting plate is connected with a fixed lead screw in a rotating mode, a fixed sliding barrel is connected to the fixed lead screw in a threaded mode, and the fixed sliding barrel is fixedly connected with the movable plate.
Fixing base 1 rotates fixed lead screw when using, because fixed lead screw and fixed slide cartridge spiro union, fixed lead screw promotes the movable plate through fixed slide cartridge and slides along fixed connection, and the movable plate cooperatees with the fixed plate the utility model discloses fix on the sick bed.
The utility model discloses a working process does:
when the utility model is used, the fixed lead screw is rotated, and because the fixed lead screw is in threaded connection with the fixed sliding barrel, the fixed lead screw pushes the movable plate to slide along the fixed connection through the fixed sliding barrel, and the movable plate is matched with the fixed plate to fix the utility model on the sickbed; the puncture needle is penetrated into the fixed cylinder 13 through the inner ball 16 and the sliding cylinder 15, the puncture needle is fixed by using a fixing screw, and the angle of the puncture needle is adjusted by rotating the inner ball 16 along the outer ball 22 due to the ball connection between the inner ball 16 and the outer ball 22; after fixed completion, at first carry out the coarse adjustment, use first telescopic link 2 to carry out the coarse adjustment to the height of piercing structure, use first regulation square shaft 6, second regulation square shaft 5 to vertically carry out the second grade in the piercing structure horizontal direction and adjust, use second telescopic link 4 transversely to carry out the coarse adjustment in the piercing structure horizontal direction.
When the first telescopic rod 2 is used, the first sliding rod slides along the first telescopic cylinder, and after the adjustment is completed, the first sliding rod is fixed by using a first fastening screw; when the first adjusting square shaft 6 and the second adjusting square shaft 5 are adjusted, the second adjusting square shaft 5 slides along the first adjusting square shaft 6 through the first sliding block and is fixed by the second fastening screw, so that the sliding adjustment of the second adjusting square shaft 5 along the first adjusting square shaft 6 is realized; the second sliding block slides along the second adjusting square shaft 5 and is fixed by using a third fastening screw, so that the sliding adjustment of the second telescopic rod 4 along the second adjusting square shaft 5 is realized, and the vertical secondary adjustment in the horizontal direction of the piercing structure is realized; when the second telescopic rod 4 is used, the second sliding rod slides along the second telescopic cylinder, and the fourth fastening screw is used for fixing after the adjustment is completed.
When the micro-adjusting structure 3 is used and the vertical micro-adjusting structure is adjusted, the adjusting knob is rotated to drive the vertical adjusting screw 21 to rotate along the vertical adjusting box 8, the vertical adjusting screw 21 rotates to drive the adjusting slide block to move up and down along the vertical adjusting box 8, and the adjusting slide block drives the horizontal adjusting block 23 to move up and down through the connecting rod; when the horizontal micro-adjustment structure is adjusted, the outer ball 22 drives the first horizontal rod 18 and the second horizontal rod 20 to horizontally slide along the horizontal sliding groove 19, and the fixing bolt 17 is used for driving the pressurizing plate to extrude and fix the first horizontal rod 18.
When the puncture structure is used, the puncture lead screw 11 is rotated, because the puncture lead screw 11 is in threaded connection with the puncture sliding barrel 12, the puncture lead screw 11 pushes the fixing barrel 13 to slide along the arc-shaped supporting plate through the puncture sliding barrel 12, the fixing barrel 13 drives the puncture needle to slide along the inner ball 16 to puncture a patient, and through observing the puncture scale mark and the puncture pointer, medical personnel of convenience can know the real-time insertion depth of the puncture needle.
Claims (4)
1. The utility model provides a bone tumour operation puncture positioner that location guide is accurate which characterized in that: comprises a pair of fixed seats (1), wherein the pair of fixed seats (1) are connected with a first telescopic rod (2); the telescopic ends of the first telescopic rods (2) are provided with first adjusting square shafts (6), the telescopic ends of the first telescopic rods (2) are connected through the first adjusting square shafts (6), and the first adjusting square shafts (6) are connected with second adjusting square shafts (5) in a sliding mode; the second adjusting square shaft (5) is connected with a second telescopic rod (4) in a sliding manner, and the telescopic end of the second telescopic rod (4) is connected with a fine adjustment structure (3); the fine adjustment structure (3) comprises a vertical fine adjustment structure connected with the telescopic end of the second telescopic rod (4), the vertical fine adjustment structure is connected with a horizontal fine adjustment structure, and the horizontal fine adjustment structure is connected with a puncture structure;
the vertical fine adjustment structure comprises a vertical adjustment box (8) connected with the telescopic end of the second telescopic rod (4), and a vertical adjustment screw rod (21) is rotatably connected to the vertical adjustment box (8); the vertical adjusting screw rod (21) is in threaded connection with an adjusting slide block, and the adjusting slide block is in sliding connection with the vertical adjusting box (8);
the horizontal micro-adjusting structure comprises a horizontal adjusting block (23) fixedly connected with an adjusting slide block, and an adjusting through hole is formed in the horizontal adjusting block (23); an outer ball (22) is arranged in the adjusting through hole, and an inner ball (16) is connected to the upper ball of the outer ball (22); the outer ball (22) is connected with a first horizontal rod (18), the outer ball (22) is also connected with a second horizontal rod (20) which is perpendicular to the first horizontal rod (18), and the horizontal adjusting block (23) is provided with a horizontal sliding groove (19) which is matched with the first horizontal rod (18) and the second horizontal rod (20); the horizontal adjusting block (23) is connected with a fixing bolt (17) in a threaded mode, the fixing bolt (17) is connected with a first horizontal rod (18) matched extrusion plate in a rotating mode, and the extrusion plate is connected with the horizontal adjusting block (23) in a sliding mode.
2. The device for surgical puncture positioning of bone tumor with accurate positioning guidance according to claim 1, wherein: the puncture structure comprises a sliding cylinder (15) connected with an inner ball (16), and the inner ball (16) is provided with a through hole matched with the sliding cylinder (15); an arc-shaped connecting plate (14) is connected to the sliding barrel (15), an arc-shaped supporting plate is connected to one end, far away from the sliding barrel (15), of the arc-shaped connecting plate (14), a puncture screw rod (11) is connected to the arc-shaped supporting plate in a threaded mode, a fixing barrel (13) is arranged between the arc-shaped supporting plate and the sliding barrel (15), the fixing barrel (13) is connected with the arc-shaped supporting plate in a sliding mode, and fixing screws are arranged on the fixing barrel (13); the fixed cylinder (13) is connected with a puncture sliding cylinder (12) which is in threaded connection with the puncture screw rod (11).
3. The device for accurate surgical puncture positioning of bone tumor with positioning guidance according to claim 2, wherein: puncture scale marks are arranged on the arc-shaped connecting plate (14), and a puncture pointer matched with the puncture scale marks is arranged on the fixed cylinder (13); on first regulation square shaft (6) and with adjust the scale mark, be equipped with on second telescopic link (4) with second regulation square shaft (5) sliding connection's second slider, be equipped with on the second slider and adjust scale mark matched with regulation pointer.
4. The device for accurate surgical puncture positioning of bone tumor with positioning guidance according to claim 3, wherein: the fixing seat (1) comprises a fixing connecting plate (7), two ends of the fixing connecting plate (7) are respectively connected with a fixing supporting plate and a fixing plate, and the fixing plate is connected with the first telescopic rod (2); a movable plate is arranged between the fixed supporting plate and the fixed plate, the movable plate is connected with a fixed connecting plate (7) in a sliding mode, the fixed supporting plate is connected with a fixed lead screw in a rotating mode, a fixed sliding barrel is connected to the fixed lead screw in a threaded mode, and the fixed sliding barrel is fixedly connected with the movable plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920490586.2U CN210408553U (en) | 2019-04-11 | 2019-04-11 | Bone tumor operation puncture positioning device with accurate positioning and guiding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920490586.2U CN210408553U (en) | 2019-04-11 | 2019-04-11 | Bone tumor operation puncture positioning device with accurate positioning and guiding |
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| Publication Number | Publication Date |
|---|---|
| CN210408553U true CN210408553U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920490586.2U Expired - Fee Related CN210408553U (en) | 2019-04-11 | 2019-04-11 | Bone tumor operation puncture positioning device with accurate positioning and guiding |
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| Country | Link |
|---|---|
| CN (1) | CN210408553U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111513857A (en) * | 2020-05-15 | 2020-08-11 | 山东省曹县第二人民医院 | Medical anesthesia auxiliary device |
-
2019
- 2019-04-11 CN CN201920490586.2U patent/CN210408553U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111513857A (en) * | 2020-05-15 | 2020-08-11 | 山东省曹县第二人民医院 | Medical anesthesia auxiliary device |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200428 Termination date: 20210411 |