CN216962520U - Cardiovascular surgery is with clamping device who has corrosion-resistant function - Google Patents
Cardiovascular surgery is with clamping device who has corrosion-resistant function Download PDFInfo
- Publication number
- CN216962520U CN216962520U CN202123059418.4U CN202123059418U CN216962520U CN 216962520 U CN216962520 U CN 216962520U CN 202123059418 U CN202123059418 U CN 202123059418U CN 216962520 U CN216962520 U CN 216962520U
- Authority
- CN
- China
- Prior art keywords
- section
- clamping
- fixedly connected
- rear side
- front side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000007797 corrosion Effects 0.000 title claims abstract description 20
- 238000005260 corrosion Methods 0.000 title claims abstract description 20
- 238000013130 cardiovascular surgery Methods 0.000 title claims abstract description 18
- 238000001125 extrusion Methods 0.000 claims abstract description 20
- 210000003813 thumb Anatomy 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000004033 plastic Substances 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims description 19
- 239000012528 membrane Substances 0.000 abstract description 4
- 230000002526 effect on cardiovascular system Effects 0.000 abstract description 2
- 108010048734 sclerotin Proteins 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 210000001519 tissue Anatomy 0.000 description 8
- 210000004204 blood vessel Anatomy 0.000 description 7
- 210000004379 membrane Anatomy 0.000 description 5
- 210000005224 forefinger Anatomy 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses a corrosion-resistant clamping device for cardiovascular surgery, which comprises a tube shell, wherein the left side surface of the tube shell is provided with a through hole. The present invention relates to the field of cardiovascular surgical devices. This cardiovascular surgery is with clamping device who has corrosion-resistant function passes through the setting of supporting rod, the side surface that utilizes supporting rod cooperation tube forms the column structure centre gripping of keeping silent at tissue cavity membrane, sclerotin and external panel structure surface, can realize effectively fixedly, and adopt the plastic material, alleviate rejection, avoid device corrosion itself, rotation adjustment hose position through the thumb wheel, and the extrusion action through supporting rod and locking rubber tyer realizes the locking of hose potential, the supporting rod is from the mode of limit lifting with tube lateral wall limit, the wound that has avoided tearing props big scheduling problem. The clamping and positioning device solves the problems that the clamping and positioning operation of the existing device is complex, not convenient enough, large in using and operating difficulty, inconvenient to adjust and not stable enough in assembling.
Description
Technical Field
The utility model relates to the field of cardiovascular surgery equipment, in particular to a clamping device with a corrosion-resistant function for cardiovascular surgery.
Background
In the cardiovascular operation process, the blood vessels of human tissues need to be externally connected with devices such as artificial hearts and the like, the blood vessels of meridians where partial blood flows need to be intubated and positioned, and the blood vessels are prevented from interfering operation.
The inventor finds that the following problems in the prior art are not solved well: 1. the existing device has the defects that the pipe mostly needs to be lifted and supported manually, the use and operation difficulty is high, and the operation is easy to interfere; 2. the existing device has poor interpenetration positioning effect with the blood vessel of the human body, the medical tube and the blood vessel of the human body are inconvenient to assemble, interpenetrate and adjust, and the medical tube is not stable enough after being assembled.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a clamping device with a corrosion-resistant function for cardiovascular surgery, and solves the problems of complex clamping and positioning operation, inconvenience in use and operation, inconvenience in adjustment and instable assembly of the conventional device.
In order to achieve the purpose, the utility model is realized by the following technical scheme: cardiovascular surgery is with clamping device who has corrosion-resistant function, including the tube, the through-hole has been seted up to the left side surface of tube, the through-hole link up the inside and outside both sides of tube.
The surface of the left side of the tube shell is fixedly connected with two wall plates, and the two wall plates are respectively arranged on the front side and the rear side of the through hole.
A rotating shaft is rotatably connected between the wall plates at the front side and the rear side, a shifting wheel is fixedly sleeved in the middle of the rotating shaft, and the right side surface of the shifting wheel penetrates through the through hole and extends to the inner side of the tube shell.
The front side end face and the rear side end face of the shifting wheel are fixedly connected with locking rubber discs, and the locking rubber discs are sleeved on the surface of the rotating shaft.
The pipe shell comprises a pipe shell body, and is characterized in that a clamping block is fixedly connected to the left side of the bottom end of the pipe shell body, and an alignment groove is formed in the surface of the left side of the clamping block.
The front side and the rear side of the right part of the outer surface of the pipe shell are fixedly connected with penetrating pipes, and the inner sides of the penetrating pipes are connected with clamping rods in an inserting mode.
The clamping rod is of a U-shaped structure, two ends of the clamping rod are respectively inserted and sleeved on the inner sides of the sleeve penetrating pipes on the front side and the rear side in a penetrating mode, and the left side of the clamping rod is connected with the alignment groove in a sleeved mode.
The bottom end on the right side of the clamping rod is fixedly connected with an end block, the top surface of the end block is fixedly connected with a pressure spring, and the top side of the pressure spring is fixedly connected with the bottom surface of the penetrating sleeve.
And a concave rod is rotatably connected between the end blocks at the front side and the rear side, and the concave rod is of a U-shaped structure.
The right side fixedly connected with at tube top presses the briquetting, press the briquetting to be the wedge structure, press the top surface of briquetting and seted up and press the groove.
The inner side of the pipe shell is inserted and sleeved with a hose, and the right side surface of the shifting wheel is abutted to the left side surface of the hose.
Preferably, the left side surface of the clamping block is an inclined plane, the left side surface of the clamping block is parallel to the left bottom end of the clamping rod, and the clamping block is made of rubber.
Preferably, the penetrating pipes on the front side and the rear side are arranged in parallel, and the penetrating pipes are obliquely arranged relative to the front bus bar and the back bus bar of the shell.
Preferably, the clamping rod consists of an inclined section, a horizontal section, a sunken section, an extrusion section, a vertical section, an alignment section and a connecting section.
The inclined section is sleeved on the inner side of the through sleeve in an inserting mode, the bottom end of the inclined section is fixedly connected with the end block, the top end of the inclined section is fixedly connected with the right end of the horizontal section, the sunken section is connected in series in the middle of the horizontal section, the left end of the horizontal section is fixedly connected with the right end of the extrusion section, the left end of the extrusion section is fixedly connected with the top of the vertical section, and the front side and the rear side of the vertical section are fixedly connected with the front side and the rear side of the connecting section respectively.
Preferably, the extrusion sections on the front side and the rear side are respectively in the same vertical plane with the locking rubber discs on the front side and the rear side, and the extrusion sections and the locking rubber discs are in press fit locking.
Preferably, the alignment section is obliquely arranged, and the alignment section corresponds to the alignment groove in a one-to-one manner and is mutually matched.
Preferably, the compression spring, the clamping rod and the pipe shell are made of plastic materials, and the compression spring on the front side and the compression spring on the rear side are identical in size and specification.
Advantageous effects
The utility model provides a clamping device with a corrosion-resistant function for cardiovascular surgery. Compared with the prior art, the method has the following beneficial effects:
1. through the setting of supporting rod, the side surface that utilizes supporting rod cooperation tube forms the column structure of keeping silent to utilize this structure can make the fixed centre gripping of tube at tissue cavity membrane, sclerotin and external panel structure surface, can realize the effective fixed of tube, and adopt the plastic material, alleviate the rejection between metal material and the human body, avoid the corrosion of device itself, safe in utilization, the centre gripping operation is simple more convenient.
2. The rotation through the thumb wheel drives the hose to the vascular interlude butt joint of human tissue and position adjustment action to paste the action to the tube through the supporting rod and produce the extrusion effect to the surface of locking rubber plate, and rely on this static friction to prevent the rotation effect of locking rubber plate, and then realize the locking of thumb wheel and hose position potential, realize the stable positioning assembly between hose and the human tissue blood vessel, use the location effect more reliable and more stable.
3. The clamping rod and the tube side wall are opened in a mode of lifting away from the side, the opening action of a conventional clamping plate structure is effectively avoided, the problem that the opening action of the current clamping position enables an operation wound to be torn and opened greatly is solved, the use safety is better, the operability is better, and the humanization is better.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a front cross-sectional view of the structure of the present invention;
FIG. 3 is a front view of the clamping bar of the present invention;
FIG. 4 is a side view of the clamping bar of the present invention.
In the figure: 1. a pipe shell; 2. a through hole; 3. a wall panel; 4. a rotating shaft; 5. a thumb wheel; 6. locking the rubber disc; 7. a clamping block; 8. a positioning groove; 9. sleeving a sleeve; 10. a clamping rod; 1001. an inclined section; 1002. a horizontal segment; 1003. a recessed section; 1004. an extrusion section; 1005. a vertical section; 1006. a registration section; 1007. a connecting section; 11. an end-block; 12. a pressure spring; 13. a concave rod; 14. a pressing block; 15. pressing the groove; 16. a hose.
Detailed Description
Referring to fig. 1-4, the corrosion-resistant clamping device for cardiovascular surgery includes a tube case 1, a through hole 2 is formed on the left surface of the tube case 1, and the through hole 2 penetrates through the inner and outer sides of the tube case 1.
The left side fixed surface of tube 1 is connected with wallboard 3, and the figure of wallboard 3 is two, and two wallboard 3 set up respectively in the front and back side of through-hole 2.
A rotating shaft 4 is rotatably connected between the front and rear side wall plates 3, a shifting wheel 5 is fixedly sleeved in the middle of the rotating shaft 4, and the right side surface of the shifting wheel 5 penetrates through the through hole 2 and extends to the inner side of the tube shell 1. It should be noted that the thumb wheel 5 is embedded with a rubber ring on the outer surface along the circumference, and the outer surface of the rubber ring is provided with parallel insections, so that the friction force when an operator dials is increased by the rubber ring, the precision of the action when the hose 16 is inserted and pulled out is convenient to control, the static friction force between the thumb wheel 5 and the side surface of the hose 16 can also be increased, and the positioning capability of the hose 16 when the potential is locked is improved.
The front and back side end faces of the thumb wheel 5 are fixedly connected with locking rubber discs 6, and the locking rubber discs 6 are sleeved on the surface of the rotating shaft 4.
The left side fixedly connected with grip block 7 of 1 bottom of tube, counterpoint groove 8 has been seted up to grip block 7's left side surface.
The front side and the rear side of the right part of the outer surface of the pipe shell 1 are fixedly connected with a penetrating pipe 9, and the inner side of the penetrating pipe 9 is connected with a clamping rod 10 in a penetrating way.
The clamping rod 10 is of a U-shaped structure, two ends of the clamping rod 10 are respectively inserted and sleeved on the inner sides of the sleeve penetrating pipes 9 on the front side and the rear side in a penetrating mode, and the left side of the clamping rod 10 is connected with the alignment groove 8 in a sleeved mode.
The bottom end on the right side of the clamping rod 10 is fixedly connected with an end block 11, the top surface of the end block 11 is fixedly connected with a pressure spring 12, and the top side of the pressure spring 12 is fixedly connected with the bottom surface of the penetrating sleeve 9.
A concave rod 13 is rotatably connected between the front and rear end blocks 11, and the concave rod 13 is of a U-shaped structure.
The right side fixedly connected with at tube 1 top presses the briquetting 14, presses briquetting 14 to be the wedge structure, presses the top surface of briquetting 14 to have seted up and presses groove 15.
The inner side of the pipe shell 1 is inserted and sleeved with a hose 16, and the right side surface of the thumb wheel 5 is abutted to the left side surface of the hose 16.
In the utility model, the left side surface of the clamping block 7 is an inclined surface, the left side surface of the clamping block 7 is parallel to the bottom end of the left side of the clamping rod 10, and the clamping block 7 is made of rubber. It should be noted that the inclined plane of the clamping block 7 is arranged and matched with the alignment section 1006 of the clamping rod 10, so that soft tissues such as the cavity membrane nested on the left side surfaces of the clamping rod 10 and the tube case 1 can form a V-shaped folded structure, the compression of the clamping rod 10 on human tissues is reduced, the relative blocking effect between the clamping rod 10 and the cavity membrane tissues is enhanced, and the positioning effect of the tube case 1 is enhanced.
In the present invention, the front and rear bushing 9 are disposed in parallel to each other, and the bushing 9 is disposed to be inclined with respect to the front bus and the rear bus of the case 1. It should be noted that, through the inclined arrangement of the insertion tube 9, when the clamping rod 10 is lifted, the vertical section 1005 and the alignment section 1006 both generate the actions of lifting and separating from the left surface of the tube case 1, and compared with the conventional clip structure, the actions have smaller influence on the clamped cavity and membrane gap and the size of the wound, are not easy to cause the problems of tearing and expanding the wound, and reduce the damage of the detachment action to the human tissue.
In the utility model, the clamping rod 10 is composed of an inclined section 1001, a horizontal section 1002, a concave section 1003, an extrusion section 1004, a vertical section 1005, an alignment section 1006 and a connecting section 1007.
The inclined section 1001 is inserted and sleeved on the inner side of the bushing 9, the bottom end of the inclined section 1001 is fixedly connected with the end block 11, the top end of the inclined section 1001 is fixedly connected with the right end of the horizontal section 1002, the recessed section 1003 is connected in series in the middle of the horizontal section 1002, the left end of the horizontal section 1002 is fixedly connected with the right end of the extrusion section 1004, the left end of the extrusion section 1004 is fixedly connected with the top of the vertical section 1005, and the bottom ends of the front and rear vertical sections 1005 are fixedly connected with the front and rear sides of the connecting section 1007 respectively.
In the utility model, the front and rear extrusion sections 1004 are respectively in the same vertical plane with the front and rear locking rubber discs 6, and the extrusion sections 1004 and the locking rubber discs 6 are pressed and locked. It should be noted that when the clamping rod 10 moves downward, under the influence of the inclined arrangement of the bushing 9, the pressing section 1004 moves in a translational manner to the lower right corner until the surface abuts against and presses the upper left corner surface of the locking rubber plate 6, so as to lock the potential of the locking rubber plate 6, and further lock the potential of the dial wheel 5 and the hose 16 relative to the pipe shell 1.
In the present invention, the alignment sections 1006 are obliquely arranged, and the alignment sections 1006 are in one-to-one correspondence with the alignment grooves 8 and are mutually matched.
In the utility model, the compression spring 12, the clamping rod 10 and the tube shell 1 are all made of plastic materials, and the size specifications of the compression spring 12 at the front side and the compression spring at the rear side are the same. It should be noted that, the plastic material is adopted, the metal material is reduced, the whole weight of the device can be reduced, the compression effect on the combination when the device is clamped and fixed with the human tissue is reduced, meanwhile, the corrosion of the metal material of the device can be avoided, the service life of the device is prolonged, and the rejection reaction with the human body is reduced.
The specific working process of the clamping device with the corrosion-resistant function for the cardiovascular surgery comprises the following steps:
insert the pipe shell 1 inboard at first with hose 16, the hand thumb contact presses the indent 15, hand forefinger contact concave bar 13, the thumb forefinger is pressed hard and is held between the fingers, it removes to press the piece 14 to drive concave bar 13, concave bar 13 drives end block 11 and the action of moving up of supporting rod 10, because it sets up for the slope to wear sleeve pipe 9, the last removal action of supporting rod 10 drives the left side of supporting rod 10 and the increase of interval between the surface of pipe shell 1 left side, the upper left corner surface of extrusion section 1004 and locking rubber disc 6 is kept apart from, counterpoint section 1006 separates and goes out from counterpoint groove 8 inboards, and make the left side part of supporting rod 10 and the left side surface of pipe shell 1 be jaw column structure.
After the jaw-shaped structure is inserted and embedded in the structure of human body cavity membrane tissue, bone or external plate, the port at one end of the hose 16 is inserted into the blood vessel of human body tissue in an aligning way, the dial wheel 5 is dialed and rotated, and the hose 16 abutted against the dial wheel 5 is driven by the right side surface of the dial wheel 5 to retract downwards or upwards, so that the position of the hose 16 is adjusted. After the position of the hose 16 is adjusted, the thumb and the forefinger are loosened, the clamping rod 10 moves downwards to pull the extrusion section 1004 to abut against the surface of the locking rubber disc 6 again under the action of potential energy of the pressure spring 12, the locking of the thumb wheel 5 is realized, the alignment section 1006 and the vertical section 1005 abut against the left side surface of the pipe shell 1, and the clamping and positioning effects are realized.
Claims (7)
1. Cardiovascular surgery is with clamping device who has corrosion-resistant function, including the tube shell, its characterized in that: the surface of the left side of the tube shell is provided with a through hole which penetrates through the inner side and the outer side of the tube shell;
the surface of the left side of the tube shell is fixedly connected with two wall plates, and the two wall plates are respectively arranged on the front side and the rear side of the through hole;
a rotating shaft is rotatably connected between the wall plates at the front side and the rear side, a shifting wheel is fixedly sleeved in the middle of the rotating shaft, and the right side surface of the shifting wheel penetrates through the through hole and extends to the inner side of the tube shell;
the front side end face and the rear side end face of the thumb wheel are fixedly connected with locking rubber discs, and the locking rubber discs are sleeved on the surfaces of the rotating shafts;
the clamping block is fixedly connected to the left side of the bottom end of the tube shell, and the alignment groove is formed in the surface of the left side of the clamping block;
the front side and the rear side of the right part of the outer surface of the pipe shell are both fixedly connected with a penetrating pipe, and the inner side of the penetrating pipe is connected with a clamping rod in an inserting way;
the clamping rod is of a U-shaped structure, two ends of the clamping rod are respectively inserted and sleeved in the inner sides of the sleeve penetrating pipes on the front side and the rear side in a penetrating manner, and the left side of the clamping rod is in sleeved connection with the alignment groove;
the bottom end on the right side of the clamping rod is fixedly connected with an end block, the top surface of the end block is fixedly connected with a pressure spring, and the top side of the pressure spring is fixedly connected with the bottom surface of the bushing;
a concave rod is rotatably connected between the end blocks at the front side and the rear side, and the concave rod is of a U-shaped structure;
the right side of the top of the tube shell is fixedly connected with a pressing block, the pressing block is of a wedge-shaped structure, and the top surface of the pressing block is provided with a pressing groove;
the inner side of the pipe shell is inserted and sleeved with a hose, and the right side surface of the shifting wheel is abutted to the left side surface of the hose.
2. The cardiovascular surgery clamping device with corrosion resistance function according to claim 1, characterized in that: the left side surface of the clamping block is an inclined plane, the left side surface of the clamping block is parallel to the left bottom end of the clamping rod, and the clamping block is made of rubber.
3. The cardiovascular surgery clamping device with corrosion resistance function according to claim 1, characterized in that: the penetrating pipes on the front side and the rear side are arranged in parallel, and the penetrating pipes are obliquely arranged relative to the front bus and the back bus of the pipe shell.
4. The clamping device with corrosion resistance function for cardiovascular surgery according to claim 1, characterized in that: the clamping rod consists of an inclined section, a horizontal section, a sunken section, an extrusion section, a vertical section, an alignment section and a connecting section;
the inclined section is sleeved on the inner side of the through sleeve in an inserting mode, the bottom end of the inclined section is fixedly connected with the end block, the top end of the inclined section is fixedly connected with the right end of the horizontal section, the sunken section is connected in series in the middle of the horizontal section, the left end of the horizontal section is fixedly connected with the right end of the extrusion section, the left end of the extrusion section is fixedly connected with the top of the vertical section, and the front side and the rear side of the vertical section are fixedly connected with the front side and the rear side of the connecting section respectively.
5. The cardiovascular surgery clamping device with corrosion resistance function according to claim 4, characterized in that: the front side and the rear side of the extrusion section are respectively in the same vertical plane with the locking rubber discs on the front side and the rear side, and the extrusion section and the locking rubber discs are in press fit locking.
6. The clamping device with corrosion resistance function for cardiovascular surgery according to claim 4, characterized in that: the alignment section is obliquely arranged, and the alignment section corresponds to the alignment grooves one to one and is matched with the alignment grooves in a sleeved mode.
7. The cardiovascular surgery clamping device with corrosion resistance function according to claim 1, characterized in that: the pressure spring, the clamping rods and the pipe shell are all made of plastic materials, and the size specifications of the pressure spring are the same on the front side and the rear side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123059418.4U CN216962520U (en) | 2021-12-07 | 2021-12-07 | Cardiovascular surgery is with clamping device who has corrosion-resistant function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123059418.4U CN216962520U (en) | 2021-12-07 | 2021-12-07 | Cardiovascular surgery is with clamping device who has corrosion-resistant function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216962520U true CN216962520U (en) | 2022-07-15 |
Family
ID=82345482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123059418.4U Expired - Fee Related CN216962520U (en) | 2021-12-07 | 2021-12-07 | Cardiovascular surgery is with clamping device who has corrosion-resistant function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216962520U (en) |
-
2021
- 2021-12-07 CN CN202123059418.4U patent/CN216962520U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211990580U (en) | Center tube riveting die | |
| CN216962520U (en) | Cardiovascular surgery is with clamping device who has corrosion-resistant function | |
| CN209060297U (en) | One kind cardiovascular check easy to use uses fixing clamp | |
| CN207532900U (en) | A kind of sewage disposal equipment | |
| CN207041505U (en) | A kind of shoulder joint mirror positioning dilator | |
| CN209808513U (en) | Intramedullary nail extractor for orthopedic operation | |
| CN212239265U (en) | Perforating device for water conservancy construction pipeline | |
| CN207429178U (en) | A kind of medical take is preced with pincers | |
| CN211825254U (en) | Adjustable sampling device for industrial sewage detection | |
| CN207760800U (en) | A kind of reservoir reinforcing holder | |
| CN211213609U (en) | Artificial tooth dashes and glues pressure polymerization ware | |
| CN218075139U (en) | Pylorus grasping forceps for laparoscopic pyloromyotomy | |
| CN213312521U (en) | A edge tool box for dismantling insulin needle | |
| CN218441008U (en) | Fire control outlet pipe convenient to connect fixedly | |
| CN210500105U (en) | Reverse osmosis membrane shell plate remover | |
| CN215653212U (en) | Anesthesia machine based on 5G technology | |
| CN215173254U (en) | Locking pliers for pipeline leakage stoppage clamp | |
| CN210813006U (en) | Enema bag | |
| CN217916418U (en) | Solar foaming plug | |
| CN217429462U (en) | Endoscope cleaning brush with high connection strength | |
| CN214596025U (en) | Novel mouth gag | |
| CN208319244U (en) | Tissue adsorbs traction device | |
| CN215084249U (en) | Acupuncture therapeutic instrument for cervical spondylosis | |
| CN213432161U (en) | External pipeline controller | |
| CN218684781U (en) | Artificial tooth and artificial tooth taking and holding device convenient to disassemble and assemble |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20220715 |