CN215306350U - Gradual carotid clamping and closing device - Google Patents
Gradual carotid clamping and closing device Download PDFInfo
- Publication number
- CN215306350U CN215306350U CN202121343790.5U CN202121343790U CN215306350U CN 215306350 U CN215306350 U CN 215306350U CN 202121343790 U CN202121343790 U CN 202121343790U CN 215306350 U CN215306350 U CN 215306350U
- Authority
- CN
- China
- Prior art keywords
- plate
- hole
- adjusting
- circular
- screw
- 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
- 230000000750 progressive effect Effects 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims description 23
- 238000007906 compression Methods 0.000 claims description 23
- 210000001715 carotid artery Anatomy 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 206010048964 Carotid artery occlusion Diseases 0.000 claims 1
- 210000004004 carotid artery internal Anatomy 0.000 abstract description 13
- 238000007917 intracranial administration Methods 0.000 description 13
- 210000004204 blood vessel Anatomy 0.000 description 12
- 210000001367 artery Anatomy 0.000 description 8
- 230000002792 vascular Effects 0.000 description 5
- 208000032843 Hemorrhage Diseases 0.000 description 4
- 208000034158 bleeding Diseases 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 208000006011 Stroke Diseases 0.000 description 3
- 230000017531 blood circulation Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 206010018985 Haemorrhage intracranial Diseases 0.000 description 1
- 208000008574 Intracranial Hemorrhages Diseases 0.000 description 1
- 230000002308 calcification Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Images
Landscapes
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The utility model relates to a progressive carotid clamping and closing device, which comprises a support frame, an adjusting driving device arranged on the support frame and a pressing frame arranged between the top of the adjusting driving device and the top of the support frame; the adjusting driving device drives the pressing frame to move up and down; the utility model applies pressure by rotating the screw rod, can finely adjust the opening and the pressure, presets in advance, directly blocks and can gradually block the internal carotid artery blood vessel.
Description
Technical Field
The utility model relates to a progressive carotid clamping and closing device, and belongs to the technical field of medical instruments.
Background
The internal carotid artery clamping device is one of the necessary tools for blocking the internal carotid artery in the neurosurgery, and when the intracranial blood flow needs to be blocked in the operation process, but the intracranial section of the internal carotid artery can not be directly blocked due to the restriction of the intracranial operation space, the internal carotid artery often needs to be exposed through the neck, so as to be blocked, and the intracranial bleeding risk is reduced for the next operation. An internal carotid artery clamp commonly used in the operation at present is a blood vessel clamp which is approximately disclosed in Chinese patent CN201921755348.6, 2020.07.14 and basically comprises two clamping pieces and a tail end spring. When in use, the clamping piece at the tail end is held, the spring is compressed, the front end is opened and is inserted inwards into a gap between two sides of a blood vessel to be blocked, the tail end is slowly released, and the head end is clamped and blocked to block the internal carotid artery. The main defects are that 1, the arm of force is short, the moment is long, and the force is needed to press the spring, so that the size of the opening cannot be finely adjusted. 2. The clamping force cannot be adjusted, and the condition that the blocking is incomplete because the clamping force is relatively small due to calcification of the internal carotid artery or the condition that the blood vessel is damaged and the bleeding is cracked because the patient is younger or the internal carotid artery is fragile occurs. 3. The operation can not be preset in advance, and emergency blocking is needed when intracranial hemorrhage occurs suddenly, so that the situation that the blocking effect is poor due to hurry placement is easy to occur. 4. The intracranial arteries cannot be blocked progressively, and many patients need to block the internal carotid permanently, but intracranial vascular compensation is not completely established during operation, and the intracranial anterior transport artery and the posterior transport artery are blocked progressively one day after the day in a ward, so that the intracranial anterior transport artery and the intracranial posterior transport artery are opened gradually, and collateral artery compensation is formed progressively, and the occurrence of an acute stroke event is avoided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a progressive carotid artery occluder which can finely adjust the opening and the pressure by rotating a screw rod to apply the pressure, is preset in advance, is directly blocked and can progressively occlude the internal carotid artery.
The utility model adopts the following technical scheme:
the utility model comprises a supporting frame, an adjusting driving device arranged on the supporting frame and a pressing frame arranged between the top of the adjusting driving device and the top of the supporting frame; the adjusting driving device drives the pressing frame to move up and down.
The support frame is integrally E-shaped and comprises an outer vertical plate, an upper pressure plate, a lower support plate and a bottom plate, wherein the upper pressure plate, the lower support plate and the bottom plate are fixedly arranged on one side of the outer vertical plate from top to bottom in sequence; the upper pressure plate, the lower support plate and the bottom plate are flat plates; an outer adjusting long hole is formed in the outer vertical plate and positioned above the lower supporting plate; an upper fixing screw hole is arranged above the outer adjusting long hole; an outer adjusting screw is arranged in the outer adjusting long hole; the pressing frame is arranged between the upper pressing plate and the lower supporting plate, is integrally C-shaped and comprises an inner vertical plate, a lower pressing plate fixedly arranged on one side of the top of the inner vertical plate and an upper supporting plate fixedly arranged on one side of the bottom of the inner vertical plate; the upper pressing plate is parallel to the lower pressing plate, and the lower supporting plate is parallel to and corresponds to the upper supporting plate; the outer vertical plate is adjacent to and parallel to the inner vertical plate; an inner adjusting long hole corresponding to the outer adjusting long hole is formed in the inner vertical plate; a lower fixing screw hole is arranged below the inner adjusting long hole; an inner adjusting screw is arranged in the inner adjusting long hole, the other end of the outer adjusting screw is in threaded connection with the lower fixing screw hole, and the other end of the inner adjusting screw is in threaded connection with the upper fixing screw hole; the adjusting driving device is connected with the upper supporting plate, the lower supporting plate and the bottom plate, and the adjusting driving device adjusts the distance between the upper pressing plate and the lower pressing plate.
The adjusting and driving device comprises a lead screw, a polygonal rod, an upper ratchet fixedly sleeved at the bottom of the lead screw, a lower ratchet fixedly installed on the polygonal rod and meshed with the upper ratchet, and a compression spring sleeved on the polygonal rod, wherein the inner cavity of the lead screw is a circular cavity, and the inner cavity of the lower ratchet is a polygonal hole matched with the polygonal rod; one side of the teeth of the upper ratchet wheel and the lower ratchet wheel is longer than the other side; the lead screw top is connected with last backup pad right-hand member rotation, lead screw and bottom suspension fagging right-hand member threaded connection, the polygon pole clearance passes the bottom plate right-hand member and the suit is at polygon hole and lead screw inner chamber, at polygon pole bottom fixed mounting handle, compression spring sets up under between ratchet and the bottom plate.
The right end of an upper supporting plate is provided with a round hole A, the right end of a lower supporting plate is provided with a threaded hole, and the right end of a bottom plate is provided with a round hole B; the top end of the screw rod is provided with a circular top plate, the major diameter of the thread at the topmost end of the screw rod and the outer diameter of the circular top plate are both larger than the inner diameter of the circular hole A, the upper supporting plate is arranged between the circular top plate and the thread top surface at the topmost end of the screw rod, and the polished rod part of the screw rod can rotate in the circular hole A; the screw rod is in threaded connection with the threaded hole; the polygonal rods penetrate through the round holes B in a clearance mode.
The upper circular baffle and the lower circular baffle are fixedly arranged on the polygonal rod above and below the circular hole B, the bottom of the compression spring is in contact with the top surface of the upper circular baffle, and the outer diameters of the upper circular baffle and the lower circular baffle are larger than the inner diameter of the circular hole B.
According to the utility model, the bottom of the lower ratchet wheel is provided with the circular groove, and the top of the compression spring is embedded in the circular groove.
The multi-edge rod and the multi-edge hole are six-edge.
The utility model sets scale marks on the outer side edge of the upper part of the outer vertical plate.
The utility model has the following positive effects: according to the utility model, the hexagonal rod is rotated by the handle, the hexagonal rod drives the lower ratchet wheel and the upper ratchet wheel to rotate, the lead screw drives the lower pressure plate to apply pressure upwards under the upward acting force of the compression spring, and the lower pressure plate and the upper pressure plate are gradually closed, so that the operation is labor-saving; the distance between the lower pressing plate and the upper pressing plate can be accurately separated by observing the scales on the vertical plate, and meanwhile, when the pressure of the lower pressing plate and the pressure of the upper pressing plate reach the designed pressure number, namely the elasticity of the compression spring is used up, the hexagonal rod is rotated, so that the teeth of the lower ratchet wheel and the teeth of the upper ratchet wheel slip, the lower pressing plate cannot be further moved upwards, and the damage to the vascular wall due to excessive clamping is effectively avoided; the lower pressing plate and the upper pressing plate can be placed on two sides of a blood vessel to be blocked in advance during operation, and when acute bleeding occurs, the hexagonal rod can be rotated at any time to clamp and block the blood vessel, so that the internal carotid artery can be blocked quickly and effectively. When a patient needs to block the internal carotid permanently, but intracranial vascular compensation is not completely established during operation, the head end of the device can be temporarily placed on the neck, the tail end of the device is exposed outside, the internal carotid is properly clamped, after the operation, the device is rotated for a certain degree every day in a ward, the advance distance of the lower pressing plate and the distance between the lower pressing plate and the upper pressing plate are observed according to a scale value, the internal carotid is gradually blocked, so that the lateral intracranial arterial compensation is gradually formed, and the occurrence of an acute stroke event is avoided. When the far section of the artery has no blood flow, the operation can be performed again, and the utility model is taken out after the blood vessel is ligated by silk thread. Meanwhile, different maximum clamping forces can be set according to different elastic forces of the springs, when the head end pressure reaches the maximum pressure, even if the head end is not completely closed, the lower pressing plate and the upper pressing plate can not be further closed due to the slippage of teeth of the lower ratchet wheel and the upper ratchet wheel, and the clamping injury on the pipe wall can be safely and effectively protected.
The utility model has convenient assembly and disassembly and safe and reliable use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a support frame according to the present invention;
FIG. 3 is a schematic view of the structure of the pressing frame of the present invention;
FIG. 4 is a schematic view of a screw and upper ratchet mounting structure of the present invention;
FIG. 5 is a schematic view of a polygonal rod according to the present invention;
FIG. 6 is a schematic view of a lower ratchet structure of the present invention;
FIG. 7 is a schematic structural view of an external pulling device according to the present invention.
In the drawings: 1 vertical plate, 2 upper pressure plates, 3 lower supporting plates, 4 bottom plates, 5 outer adjusting long holes, 6 inner vertical plates, 7 lower pressure plates, 8 upper supporting plates, 9 inner adjusting long holes, 10 upper fixing screw holes, 11 outer adjusting screws, 12 lower fixing screw holes, 13 inner adjusting screws, 14 lead screws, 15 multi-edge rods, 16 upper ratchet wheels, 17 lower ratchet wheels, 18 compression springs, 19 handles, 20 multi-edge holes, 21 round hole A, 22 threaded holes, 23 round hole B, 24 upper round baffle plates, 25 lower round baffle plates, 26 round grooves, 27 hanging holes, 28 hanging rings, 29 extension springs, 30 clamps and 31 round top plates.
Detailed Description
As shown in fig. 1 and 7, the utility model comprises a supporting frame, an adjusting driving device arranged on the supporting frame, and a pressing frame arranged between the top of the adjusting driving device and the top of the supporting frame; the adjusting driving device drives the pressing frame to move up and down; and an external traction device is arranged at the lower part of the support frame.
As shown in the attached drawings 1, 2 and 7, the support frame is integrally E-shaped and comprises an outer vertical plate 1, an upper pressure plate 2, a lower support plate 3 and a bottom plate 4, wherein the upper pressure plate 2, the lower support plate 3 and the bottom plate 4 are fixedly arranged on one side of the outer vertical plate 1 from top to bottom in sequence; the upper pressure plate 2, the lower support plate 3 and the bottom plate 4 are flat plates; an outer adjusting long hole 5 is arranged on the outer vertical plate 1 and positioned above the lower supporting plate 3; an upper fixing screw hole 10 is arranged above the outer adjusting long hole 5; an outer adjusting screw 11 is arranged in the outer adjusting long hole 5; the pressing frame is arranged between the upper pressing plate 2 and the lower supporting plate 3, is integrally C-shaped, and comprises an inner vertical plate 6, a lower pressing plate 7 fixedly arranged on one side of the top of the inner vertical plate 6 and an upper supporting plate 8 fixedly arranged on one side of the bottom of the inner vertical plate 6; the upper pressing plate 2 is parallel to the lower pressing plate 7, and the lower supporting plate 3 is parallel to and corresponds to the upper supporting plate 8; the outer vertical plate 1 is adjacent to and parallel to the inner vertical plate 6; scale marks are arranged on the outer side edge of the upper part of the outer vertical plate 1, and the lifting height of the pressing frame can be observed; an inner adjusting long hole 9 corresponding to the outer adjusting long hole 5 is arranged on the inner vertical plate 6; a lower fixing screw hole 12 is arranged below the inner adjusting long hole 9; an inner adjusting screw 13 is arranged in the inner adjusting long hole 9, the other end of the outer adjusting screw 11 is screwed in the lower fixing screw hole 12, and the other end of the inner adjusting screw 13 is screwed in the upper fixing screw hole 10; the outer adjusting screw 11 slides along the outer adjusting long hole 5, and the inner adjusting screw 13 slides along the inner adjusting long hole 9; the outer adjusting screw 11 and the inner adjusting screw 13 are installed to prevent the compression rack from shifting or misplacing, so that the compression rack is stable and reliable in working. The outer adjusting screw 11 and the inner adjusting screw 13 are screwed down simultaneously to fasten the support frame and the compression frame, and the support frame and the compression frame can be detached by detaching the adjusting screw 11 and the inner adjusting screw 13. The outer traction device comprises a hanging hole 27 arranged on the outer vertical plate 1, a hanging ring 28 arranged in the hanging hole 27, an extension spring 29 arranged on the hanging ring 28 and a clamp 30 arranged on the extension spring 29, wherein the clamp 30 is a common elastic clamp, and the hanging hole 27 is positioned between the lower support plate 3 and the bottom plate 4.
As shown in fig. 4, 5 and 6, the adjusting and driving device of the present invention comprises a screw 14, a polygonal rod 15, an upper ratchet 16 fixedly sleeved at the bottom of the screw 14, a lower ratchet 17 fixedly installed on the polygonal rod 15 and engaged with the upper ratchet 16, and a compression spring 18 sleeved on the polygonal rod 15, wherein an inner cavity of the screw 14 is a circular cavity, and an inner cavity of the lower ratchet 17 is a polygonal hole 20 matched with the polygonal rod 15; one side of the teeth of the upper ratchet wheel 16 and the lower ratchet wheel 17 is longer than the other side; 14 tops of lead screw and 8 right-hand members of last backup pad rotate to be connected, lead screw 14 and 3 right-hand members threaded connection of bottom suspension fagging, the 15 clearances of polygon pole pass bottom plate 4 right-hand members and suit at polygon hole 20 and the 14 inner chambers of lead screw, are used for making 15 pivoted handles 19 of polygon pole at 15 bottom fixed mounting of polygon pole, compression spring 18 sets up under between ratchet 17 and bottom plate 4. The polygonal rod 15 is inserted into the inner cavity of the lead screw 14, so that the lead screw can be kept stable.
As shown in fig. 1, 4 and 5, the right end of the upper support plate 8 is provided with a round hole a21, the right end of the lower support plate 3 is provided with a threaded hole 22, and the right end of the bottom plate 4 is provided with a round hole B23; the top end of the screw rod 14 is provided with a circular top plate 31, the major diameter of the thread at the topmost end of the screw rod 14 and the outer diameter of the circular top plate 31 are both larger than the inner diameter of a circular hole A21, the upper supporting plate 8 is arranged between the circular top plate 31 and the thread top surface at the topmost end of the screw rod 14, namely, a polish rod gap between the thread top surface at the topmost end of the screw rod 14 and the upper supporting plate 8 is inserted into the circular hole A21, and the screw rod 14 can rotate in the circular hole A21; the screw rod 14 is in threaded connection with the threaded hole 22, and the screw rod 14 ascends and descends along the threaded hole 22 to drive the pressing frame to ascend and descend, so that the lower pressing plate 7 and the upper pressing plate 2 are opened and closed; the polygonal rods 15 penetrate through the round holes B23 at intervals; be located round baffle 24 and lower round baffle 25 in round hole B23 top and below fixed mounting on many arriss pole 15, go up round baffle 24 and round baffle 25's external diameter down and be greater than round hole B23's internal diameter, keep many arriss pole 15 stable on bottom plate 4, the centre of a circle line of three holes behind installation many arriss pole 15 is coaxial on installation lead screw 14, the round hole B23 on round hole A21 and the screw hole 22. The polygonal rod 15 and the polygonal hole 20 are hexagonal in the embodiment.
As shown in figure 5, the bottom of the compression spring 18 is in contact with the top surface of the upper circular baffle 24, the bottom of the lower ratchet wheel 17 is provided with a circular groove 26, and the top of the compression spring 18 is embedded in the circular groove 26, namely, the compression spring 18 is arranged between the circular groove 26 and the upper circular baffle 24.
When the device is used, the hexagonal rod is rotated through the handle, the hexagonal rod drives the lower ratchet wheel 16 and the upper ratchet wheel 17 to rotate, the lead screw 14 drives the lower pressing plate to apply pressure upwards under the upward acting force of the compression spring 18, the lower pressing plate 7 and the upper pressing plate 2 are closed step by step, and the operation is labor-saving; the distance between the lower pressing plate 7 and the upper pressing plate 2 can be accurately separated by observing the scales on the vertical plate 1, and meanwhile, when the pressure of the lower pressing plate 7 and the pressure of the upper pressing plate 2 reach the designed pressure number, namely the elasticity of the compression spring 18 is used up, the hexagonal rod is rotated, the teeth of the lower ratchet wheel 17 and the upper ratchet wheel 16 slip, so that the lower pressing plate 7 cannot be further lifted, and the damage to the vascular wall due to excessive clamping can be effectively avoided; the lower pressing plate 7 and the upper pressing plate 2 can be placed on two sides of a blood vessel to be blocked in advance during operation, and when acute bleeding occurs, the hexagonal rod can be rotated at any time to clamp the blood vessel, so that the internal carotid artery can be blocked quickly and effectively. When a patient needs to block the internal carotid permanently, but intracranial vascular compensation is not completely established during operation, the head end of the device can be temporarily placed on the neck, the tail end of the device is exposed outside, the internal carotid is properly clamped, after the operation, the device is rotated for a certain degree every day in a ward, the advance distance of the lower pressing plate 7 and the distance between the lower pressing plate 7 and the upper pressing plate 2 are observed according to a scale value, the internal carotid is gradually blocked, and the intracranial arterial compensation is gradually formed, so that the occurrence of acute stroke is avoided. When the far section of the artery has no blood flow, the operation can be performed again, and the utility model is taken out after the blood vessel is ligated by silk thread. Meanwhile, the utility model can set different maximum clamping forces according to different elastic forces of the compression spring 18, when the head end pressure reaches the maximum pressure, even if the head end is not completely closed, the lower pressing plate 7 and the upper pressing plate 2 can not be further closed due to slipping of teeth of the lower ratchet wheel 17 and the upper ratchet wheel 16, thereby safely and effectively protecting the wall of the clamping wound. The clamp 30 of the external traction device is clamped on the sterile sheet of the operation area, so that the lower pressing plate 7 and the upper pressing plate 2 clamp the blood vessel stably, the traction of the head end of the utility model to the blood vessel is reduced, and the blood vessel is prevented from being torn.
The utility model applies pressure by rotating the screw rod, can finely adjust the opening and the pressure, presets in advance, directly blocks and can gradually block the internal carotid artery blood vessel.
Finally, the above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the utility model, so that any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A progressive carotid clamping and closing device is characterized by comprising a support frame, an adjusting driving device arranged on the support frame and a pressing frame arranged between the top of the adjusting driving device and the top of the support frame; the adjusting driving device drives the pressing frame to move up and down.
2. The progressive carotid artery closer according to claim 1, characterized in that the support frame is overall in an E shape, and comprises an outer vertical plate (1), an upper pressure plate (2), a lower support plate (3) and a bottom plate (4) which are fixedly installed on one side of the outer vertical plate (1) from top to bottom in sequence; the upper pressure plate (2), the lower support plate (3) and the bottom plate (4) are flat plates;
an outer adjusting long hole (5) is arranged on the outer vertical plate (1) above the lower supporting plate (3); an upper fixing screw hole (10) is arranged above the outer adjusting long hole (5); an outer adjusting screw (11) is arranged in the outer adjusting long hole (5);
the pressing frame is arranged between the upper pressing plate (2) and the lower supporting plate (3), is integrally C-shaped and comprises an inner vertical plate (6), a lower pressing plate (7) fixedly installed on one side of the top of the inner vertical plate (6) and an upper supporting plate (8) fixedly installed on one side of the bottom of the inner vertical plate (6); the upper pressing plate (2) is parallel to the lower pressing plate (7), and the lower supporting plate (3) is parallel to and corresponds to the upper supporting plate (8); the outer vertical plate (1) is adjacent to and parallel to the inner vertical plate (6);
an inner adjusting long hole (9) corresponding to the outer adjusting long hole (5) is arranged on the inner vertical plate (6); a lower fixing screw hole (12) is arranged below the inner adjusting long hole (9); an inner adjusting screw (13) is arranged in the inner adjusting long hole (9), the other end of the outer adjusting screw (11) is in threaded connection with the lower fixing screw hole (12), and the other end of the inner adjusting screw (13) is in threaded connection with the upper fixing screw hole (10);
the adjusting and driving device is connected with the upper supporting plate (8), the lower supporting plate (3) and the bottom plate (4), and the adjusting and driving device adjusts the distance between the upper pressing plate (2) and the lower pressing plate (7).
3. The progressive carotid artery occluder of claim 2, wherein the adjusting drive device comprises a lead screw (14), a polygonal rod (15), an upper ratchet wheel (16) fixedly sleeved at the bottom of the lead screw (14), a lower ratchet wheel (17) fixedly installed on the polygonal rod (15) and engaged with the upper ratchet wheel (16), and a compression spring (18) sleeved on the polygonal rod (15), the inner cavity of the lead screw (14) is a circular cavity, and the inner cavity of the lower ratchet wheel (17) is a polygonal hole (20) matched with the polygonal rod (15); one side of the teeth of the upper ratchet wheel (16) and the lower ratchet wheel (17) is longer than the other side;
lead screw (14) top is rotated with last backup pad (8) right-hand member and is connected, lead screw (14) and bottom suspension fagging (3) right-hand member threaded connection, bottom plate (4) right-hand member and suit are passed in polygon pole (15) clearance at polygon hole (20) and lead screw (14) inner chamber, at polygon pole (15) bottom fixed mounting handle (19), compression spring (18) set up under between ratchet (17) and bottom plate (4).
4. The progressive carotid clamp closer according to claim 3, characterized in that the right end of the upper support plate (8) is provided with a round hole A (21), the right end of the lower support plate (3) is provided with a threaded hole (22), and the right end of the bottom plate (4) is provided with a round hole B (23);
the top end of the screw rod (14) is provided with a circular top plate (31), the major diameter of the thread at the topmost end of the screw rod (14) and the outer diameter of the circular top plate (31) are both larger than the inner diameter of the circular hole A (21), the upper supporting plate (8) is arranged between the circular top plate (31) and the thread top surface at the topmost end of the screw rod (14), and the polished rod part of the screw rod (14) can rotate in the circular hole A (21);
the lead screw (14) is in threaded connection with the threaded hole (22);
the polygonal rods (15) penetrate through the round holes B (23) in a clearance mode.
5. The progressive carotid clamp closure device according to claim 4, wherein the polygonal rod (15) is fixedly provided with an upper circular baffle (24) and a lower circular baffle (25) above and below the circular hole B (23), the bottom of the compression spring (18) is in contact with the top surface of the upper circular baffle (24), and the outer diameters of the upper circular baffle (24) and the lower circular baffle (25) are larger than the inner diameter of the circular hole B (23).
6. A progressive carotid clamp according to claim 3 characterized in that a circular groove (26) is provided at the bottom of the lower ratchet (17) and the top of the compression spring (18) is embedded in the circular groove (26).
7. A progressive carotid artery occlusion device according to any of claims 3-5, characterised in that the polygonal shaft (15) and the polygonal hole (20) are hexagonal.
8. A progressive carotid clamp according to any of claims 2-4 characterized by the fact that the outer side of the upper part of the outer standing plate (1) is provided with graduations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121343790.5U CN215306350U (en) | 2021-06-17 | 2021-06-17 | Gradual carotid clamping and closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121343790.5U CN215306350U (en) | 2021-06-17 | 2021-06-17 | Gradual carotid clamping and closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215306350U true CN215306350U (en) | 2021-12-28 |
Family
ID=79558503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121343790.5U Expired - Fee Related CN215306350U (en) | 2021-06-17 | 2021-06-17 | Gradual carotid clamping and closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215306350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113397643A (en) * | 2021-06-17 | 2021-09-17 | 河北医科大学第二医院 | Progressive carotid clamping and closing device |
-
2021
- 2021-06-17 CN CN202121343790.5U patent/CN215306350U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113397643A (en) * | 2021-06-17 | 2021-09-17 | 河北医科大学第二医院 | Progressive carotid clamping and closing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215306350U (en) | Gradual carotid clamping and closing device | |
| CN110327083B (en) | Convenient-to-use eyelid retractor for medical ophthalmology | |
| CN112618848B (en) | Infusion support with protection function | |
| CN115414573B (en) | Multifunctional adjusting device and adjusting method for extracerebral drainage tube | |
| CN209074557U (en) | A kind of fixed device of eye examination | |
| CN113397643A (en) | Progressive carotid clamping and closing device | |
| CN205514744U (en) | Vascular surgery uses vascular holder | |
| CN113331900A (en) | Automatic pressure-identifying hemostatic forceps | |
| CN219538752U (en) | Hanging bracket for surgical nursing | |
| CN210811249U (en) | Medical ophthalmology eye speculum | |
| CN214806427U (en) | Head frame for operation bed | |
| CN210447522U (en) | Adjustable bracket for four-limb disinfection | |
| CN209595821U (en) | A kind of vascular surgery blood vessel chucking device | |
| CN113288246A (en) | Posterior cranial cavity retractor capable of providing operation visual field | |
| CN215778305U (en) | Posterior cranial fovea retractor for neurosurgery operation | |
| CN214259548U (en) | Orthodontic forceps placing rack | |
| CN215504615U (en) | Intracranial drainage hanging rod | |
| CN220070301U (en) | Drainage bottle fixing device | |
| CN215018887U (en) | Avoid gliding disposable operation hole piece of cloth | |
| CN215534954U (en) | Nail gun is got to wicresoft that can pinpoint | |
| CN209529808U (en) | A kind of Multifunctional nursing infusion support | |
| CN218870433U (en) | Delivery is with helping obstetric forceps | |
| CN215081111U (en) | Multi-functional intracardiac branch of academic or vocational study monitoring nursing device | |
| CN214908108U (en) | Transport with tailstock oxygen cylinder and monitor rack | |
| CN215740826U (en) | Drainage protective sheath is used in nursing of external thoracic oncology |
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: 20211228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |