CN217987668U - Venipuncture ultrasonic guiding and positioning auxiliary device - Google Patents
Venipuncture ultrasonic guiding and positioning auxiliary device Download PDFInfo
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- CN217987668U CN217987668U CN202221416158.3U CN202221416158U CN217987668U CN 217987668 U CN217987668 U CN 217987668U CN 202221416158 U CN202221416158 U CN 202221416158U CN 217987668 U CN217987668 U CN 217987668U
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Abstract
The utility model relates to a venipuncture ultrasonic guiding and positioning auxiliary device, which comprises a cylinder, a guide rail and a baffle, wherein the guide rail is arranged on the outer surface of the cylinder, and the baffle is arranged on the outer wall of one side of the cylinder; the pulley block is arranged on the outer wall of the guide rail, the front surface of the pulley block extends out of the guide rail, the pulley block slides along the periphery of the guide rail, and the pulley block consists of a rotating wheel, a sleeve, a threaded column, a pressing plate and a connecting plate; the bottom of the connecting plate is attached to the outer wall of the guide rail, the top of the connecting plate is provided with a sleeve, the front and the back of the sleeve are provided with connecting rods, the front and the back of the sleeve are provided with a rotating wheel, and the top of the sleeve is provided with a threaded column. The utility model discloses in can carry out the puncture angle to the puncture needle and fix a position, can guarantee accurate puncture to the puncture angle that has confirmed, prepare the locking simultaneously, reduce the puncture number of times, shorten operating time, reduce the complication and take place, improve the uncomfortable sense of patient's operation.
Description
Technical Field
The utility model relates to a venipuncture technical field specifically is a venipuncture supersound guide positioning auxiliary device.
Background
The central venipuncture catheter is a commonly used interventional therapy means at present, and the application comprises the rapid opening of a large vein access, the venous nutrition therapy, the placement of a temporary or permanent pacemaker, the detection of central venous pressure, tumor vein chemotherapy, venography or transvenous interventional therapy and the like. Subclavian venipuncture is one of the commonly used puncture sites for central venipuncture catheterization. Compared with the internal jugular vein puncture, the subclavian vein puncture central vein catheterization is fixed in position, easy to disinfect and nurse, not easy to pollute and not influencing the activities of the neck and the four limbs of a patient, meanwhile, subclavian veins are shallow, thick and good in filling degree, are fixed by connective tissues around the subclavian veins, are not easy to collapse, can be kept in the silicone tube for a long time, and is still considered as an important measure for clinical fluid infusion and blood transfusion, central venous pressure determination and temporary blood purification access at present. However, the anatomical position of the subclavian vein is complicated, and the artery, pleura and lung are easily injured by careless operation to cause complications.
The ultrasonic guided venipuncture is a preferred positioning guide device at present, has the characteristics of convenience and simplicity, but has certain limitations in the process of guiding subclavian venipuncture by ultrasound in real time in clinical application at present.
First, the anatomical site of vein conceals under the clavicle, enters the way below the clavicle when venipuncture operation under the clavicle, is blockked by the clavicle to influence, may not show vein under the clavicle comprehensively, and especially obese patient may be difficult to obtain the best view, influences the puncture and puts a tub effect. Therefore, how to enable the puncture needle to accurately reach the target blood vessel in the narrow ultrasonic guide interface is a difficult problem to be solved clinically at present.
The second limitation is that during the puncturing process, the puncturing needle and the ultrasonic probe are difficult to be always kept in the same section, which may cause the situation that the puncturing needle damages an important tissue structure in a plane which is not detected by the ultrasonic probe, thereby causing corresponding complications, and meanwhile, due to the instability of the fixing stability of the puncturing needle, the puncturing needs to operate a higher level of operation ability of a doctor, such as the occurrence of hand trembling, and the puncturing is easy to miss important structures such as pleura, an artery, and the like. How to reduce the influence of manual operation on the puncture success rate is the pain difficulty of subclavian vein puncture.
The third limitation is that the current clinical real-time ultrasound guidance must be operated by two persons, and the operating doctor punctures under the real-time guidance of the ultrasound doctor's B ultrasound, which requires high degree of cooperation of the two persons. Therefore, the puncture operation in clinic at present has great requirements on the operation capability of doctors, so that the problem that how to improve the one-time success rate of puncture of beginners and doctors with poor experience level and reduce the operation burden for experienced doctors is a great need to be solved in the field.
The existing venipuncture ultrasonic guide positioning auxiliary device has the defects that:
1. reference CN112972834A discloses a positioning auxiliary device for peripheral arteriovenous puncture catheterization, which comprises: a bottom plate and a support; and the positioning structure is arranged on one side of the support. The invention provides a positioning auxiliary device for a peripheral arteriovenous puncture cannula, which can be matched with the puncture cannula for use by arranging a positioning structure, is used as an auxiliary positioning structure of the puncture cannula, provides assistance for practicing medical personnel, and effectively positions the puncture cannula when a patient artery is punctured, the practicing medical personnel only need to push the puncture cannula to move without always holding the puncture cannula to move, so that the direct contact area between a hand and the puncture cannula is greatly reduced, even if the hand is shaken, slippery and the like due to tension, the influence on the puncture cannula can be minimized, the puncture cannula is always kept to move in a relatively stable state, and the puncture success rate is greatly improved. "however, the puncture angle cannot be prepared and locked in the device, so that the puncture needle with the determined angle position is easy to deviate in the puncture process, and the accuracy of puncture is affected;
2. most of auxiliary devices used in the existing venipuncture process can not position the puncture angle, so that errors are easy to occur when a puncture needle is used, and the accuracy is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a venipuncture ultrasonic guidance location auxiliary device to solve the problem that mentions in the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the ultrasonic guiding and positioning auxiliary device for venipuncture comprises a cylinder, a guide rail and a baffle, wherein the guide rail is arranged on the outer surface of the cylinder, and the baffle is arranged on the outer wall of one side of the cylinder;
the pulley block is arranged on the outer wall of the guide rail, the front surface of the pulley block extends out of the guide rail and slides along the periphery of the guide rail, and the pulley block consists of a rotating wheel, a sleeve, a threaded column, a pressing plate and a connecting plate;
the bottom of connection board and the laminating of the outer wall of guide rail, the sleeve is installed at the top of connection board, and telescopic bottom extends the inside that gets into the guide rail, and telescopic front and back all install the connecting rod, and are two sets of the runner is all installed to the one end of connecting rod, and slip locking device is installed to one side of runner, the screw thread post is installed at telescopic top, and the bottom of screw thread post runs through telescopic inside, and the top of screw thread post is installed and is supported the clamp plate, supports the clamp plate and is connected with slip locking device.
Preferably, the front surface of the connecting plate is provided with a clamping frame, the top of the clamping frame is provided with a first puncture needle bayonet, the threaded column is used for locking the angle of the clamping frame, and the outer wall of one side of the guide rail is provided with angle scale marks.
Preferably, the top of baffle is provided with logical groove, the top of baffle is provided with the length scale mark, and the length scale mark is located the place ahead that leads to the groove, the top of baffle is provided with the spout that two sets of front and back were arranged, and two sets of the spout is located the place ahead and the rear that lead to the groove respectively.
Preferably, the bottom wall of two sets of spouts all installs the slider, and the inside of spout is extended to the top of slider.
Preferably, two sets of rectangular cardboard is installed at the top of slider, and the bottom of rectangular cardboard and the top laminating of baffle, the top of rectangular cardboard is provided with pjncture needle bayonet socket two.
Preferably, two groups of fixing blocks which are arranged in a front-back mode are installed on the outer wall of one side, close to the cylinder, of the baffle, and the back face of one group of fixing blocks and the front face of the other group of fixing blocks are attached to the front face and the back face of the cylinder respectively.
Preferably, a hollow rod is arranged on the outer wall of one side, away from the baffle, of the cylinder.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a lead to screw thread gomphosis between the screw post of installation and the sleeve and be connected, after the position of assembly pulley is confirmed, can apply clockwise turning force to the screw post, impel it to rotate in telescopic inside, then the top of screw post can move towards the draw-in groove department in telescopic inside, later impel the top of holding plate and the surface of runner closely laminate, then produce the extrusion force towards linkage plate department to the runner, impel the runner to be close to the close lamination of slip locking device, can avoid the assembly pulley to continue to slide at this moment, then prepare the locking to the puncture angle, avoid the angular position that has confirmed skew once more, ensure the accuracy of puncture;
2. the utility model has the advantages that the baffle is arranged on the outer wall of one side of the cylinder, the baffle is provided with the movable strip-shaped clamping plate, and the length scale marks can be referred in the moving process so as to increase the position certainty; all there is the pjncture needle bayonet socket with rectangular cardboard on the drum, can fix the pjncture needle, can put the pipe to the puncture and carry out effectual location, avoids taking place to slide when the puncture. The ultrasonic probe adopts a high-frequency B ultrasonic linear array probe, is positioned at the main body part of the whole device and is wrapped in a cylinder of the puncture positioning auxiliary device, and the like. The puncture tube adopts a disposable puncture needle, which can ensure the realization of the puncture aseptic principle.
3. The utility model discloses an assembly pulley of installation can rotate on the guide rail, cooperate the angle scale mark simultaneously, multiplicable assembly pulley angle pivoted accuracy, rectangular cardboard among the simultaneous device can remove on the baffle under the promotion of external force, it removes the in-process and can refer to the length scale mark, with the accuracy that increases the position and remove, when rectangular cardboard removes to suitable position, can stop the power of exerting rectangular cardboard, later the staff with the pjncture needle take the pjncture needle bayonet socket that sets up on the card frame that has adjusted on one, the tail end of pjncture needle is taken in pjncture needle bayonet socket two's inside simultaneously, then exert the thrust towards patient skin department to the pjncture needle gradually, make the pjncture needle get into inside the patient skin, know the interval between the first puncture needle bayonet socket of baffle top distance pjncture needle bayonet socket and the interval between two distance pjncture needle bayonet socket one, can obtain the puncture angle of the pjncture needle of taking needle on needle bayonet socket one and bayonet socket two.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the installation structure of the sleeve, the pressing plate and the connecting plate of the present invention;
fig. 3 is the schematic structural diagram of the sliding chute, the sliding block and the strip-shaped clamping plate of the present invention.
In the figure: 1. a cylinder; 2. a guide rail; 3. a baffle plate; 4. a pulley block; 5. a rotating wheel; 6. a sleeve; 7. a threaded post; 8. pressing the plate; 9. a connection plate; 10. clamping a frame; 11. angle scale lines; 12. a through groove; 13. length scale lines; 14. a chute; 15. a slider; 16. a long-strip clamping plate; 17. a fixed block; 18. a hollow stem; 19. a slide lock device; 20 ultrasonic probe mounting port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1 and 3, an ultrasonic guided positioning auxiliary device for venipuncture comprises a cylinder 1, a guide rail 2 and a baffle 3, wherein the guide rail 2 is installed on the outer surface of the cylinder 1, and the baffle 3 is installed on the outer wall of one side of the cylinder 1;
specifically, drum 1 is used for installing guide rail 2, and guide rail 2 is whole circular, and assembly pulley 4 that its surface was installed can slide on guide rail periphery 2 under the drive of external force to change the mounted position between guide rail 2 and the assembly pulley 4, baffle 3 provides comparatively stable place of placing for each part above it.
The pulley block 4 is arranged on the outer wall of the guide rail 2, the front surface of the pulley block 4 extends out of the guide rail 2, and the pulley block 4 consists of a runner 5, a sleeve 6, a threaded column 7, a pressing plate 8, a connecting plate 9 and a sliding locking device 19; the bottom of linkage plate 9 and the outer wall laminating of guide rail 2, sleeve 6 is installed at the top of linkage plate 9, and the bottom of sleeve 6 extends the inside that gets into guide rail 2, the connecting rod is all installed at the front and the back of sleeve 6, runner 5 is all installed to the one end of two sets of connecting rods, screw thread post 7 is installed at the top of sleeve 6, and the inside of sleeve 6 is run through to the bottom of screw thread post 7, drum 1 is equipped with ultrasonic probe installing port 20, the top of screw thread post 7 is installed and is supported clamp plate 8, it is connected with slip locking device 19 to support clamp plate 8.
Specifically, the pulley block 4 itself can move inside the guide rail 2 under the pushing of an external force to change the contact position with the guide rail 2, the threaded column 7 and the sleeve 6 are embedded through threads, if the position of the pulley block 4 is determined, a clockwise rotating force can be applied to the threaded column 7 to enable the threaded column 7 to rotate inside the sleeve 6, then the top end of the threaded column 7 can move inside the sleeve 6 towards the clamping frame 10, then the movable locking device 19 in the pressing plate 8 is enabled to be tightly attached to the outer surface of the runner 5, then an extrusion force towards the connecting plate 9 is generated on the runner 5, the outer wall of one side, close to the connecting plate 9, of the runner 5 is enabled to be tightly attached to the inner wall of the guide rail 2, at this time, the pulley block 4 can be prevented from continuously sliding, and then the assembly block 4 can be used for determining the installation position on the guide rail 2.
The second embodiment:
as shown in figure 2, a clamping frame 10 is arranged on the front surface of the connecting plate 9, a puncture needle bayonet I is arranged on the top of the clamping frame 10, the threaded column 7 is used for locking the angle of the clamping frame 10, and an angle scale mark 11 is arranged on the outer wall of one side of the guide rail 2.
Specifically, the clamping frame 10 is fixedly connected with the connecting plate 9, when the pulley block 4 moves, the clamping frame 10 can move along with the pulley block, the position of the pulley block 4 can be changed, the positions of the pulley block 4, the clamping frame 10 and the guide rail 2 can be known through the angle scale lines 11, the puncture needle bayonet I can be conveniently clamped and placed, and meanwhile, the puncture needle bayonet II is matched with the puncture needle, so that the phenomenon that the puncture needle is deviated before puncturing into the skin of a human body can be limited to a certain degree.
The top of baffle 3 is provided with logical groove 12, and the top of baffle 3 is provided with length scale mark 13, and length scale mark 13 is located the place ahead that leads to groove 12, and the top of baffle 3 is provided with two sets of spouts 14 of arranging around, and two sets of spouts 14 are located the place ahead and the rear that lead to groove 12 respectively.
The bottom walls of the two sets of sliding grooves 14 are provided with sliding blocks 15, and the tops of the sliding blocks 15 extend out of the inner parts of the sliding grooves 14.
Specifically, through groove 12's setting, can be convenient for the tail end of pjncture needle inserts human skin from this place, when medical personnel need change the position that rectangular cardboard 16 located on baffle 3, can exert the driving force towards drum 1 department or keep away from the power that draws of drum 1 department to rectangular cardboard 16, then rectangular cardboard 16 can transmit driving force and power that draws to slider 15 department, make slider 15 move towards drum 1 or keep away from drum 1 department in the inside correspondence of spout 14, length scale mark 13 can be referred to its removal in-process, with the accuracy that increases the position and remove, when rectangular cardboard 16 removes to suitable position, can stop the power of exerting to rectangular cardboard 16, the bottom of rectangular cardboard 16 is comparatively crude, and its bottom closely laminates with the top of baffle 3, it is under the additional of no external force, can keep motionless on baffle 3.
Two groups of fixing blocks 17 which are arranged in front and back are arranged on the outer wall of one side, close to the cylinder 1, of the baffle 3, and the back face of one group of fixing blocks 17 and the front face of the other group of fixing blocks 17 are attached to the front face and the back face of the cylinder 1 respectively.
Specifically, the fixing block 17 may increase a contact position between the baffle 3 and the cylinder 1, thereby further ensuring stability of installation between the baffle 3 and the cylinder 1.
The outer wall of the side of the cylinder 1 far away from the baffle 3 is provided with a hollow rod 18.
The hollow shaft 18 has a length to facilitate the user's grip on the device.
The working principle is as follows: when the device is used by a worker, the bottom of the cylinder 1 can be contacted with the skin surface of a patient, then the pulley block 4 on the guide rail 2 is adjusted according to the position and the depth of venipuncture, the adjustment accuracy can be ensured by matching with the angle scale mark 11 arranged on the guide rail 2 in the adjustment process, when the position adjustment of the pulley block 4 is completed, clockwise rotating force can be applied to the threaded column 7 to drive the threaded column 7 to rotate in the sleeve 6, then the top end of the threaded column 7 can move towards the clamping frame 10 in the sleeve 6, then the movable locking device 19 in the pressing plate 8 is driven to be tightly attached to the outer surface of the runner 5, then extrusion force towards the joint plate 9 is generated on the runner 5 to drive the outer wall of one side of the runner 5 close to the joint plate 9 to be tightly attached to the inner wall of the guide rail 2, and at the moment, the pulley block 4 can be prevented from continuously sliding, then can be used to confirm the mounted position of assembly pulley 4 on guide rail 2, later promote rectangular cardboard 16 on the baffle 3, make it move on baffle 3, in order to change and the drum 1 between the interval, and simultaneously, its removal in-process, need cooperate length scale mark 13 to remove, make removal length possess the datamation, later the staff with the pjncture needle take the pjncture needle on the pjncture needle bayonet socket that sets up on the card frame 10 that has adjusted, the tail end of pjncture needle is taken in the inside of pjncture needle bayonet socket two simultaneously, its top is provided with pjncture needle bayonet socket one, with pjncture needle bayonet socket two on the rectangular cardboard 16 on the baffle 3, common assistance-localization real needle, can ensure the steady state of puncture and put the pipe, later exert the impetus towards patient's skin department to the puncture needle gradually, make the pjncture needle get into inside the patient's skin.
The outer wall of one side of the cylinder 1 is provided with a baffle 3, a movable long clamping plate 16 is arranged on the baffle 3, and the angle scale mark 11 can be referred to in the moving process to increase the position certainty; the cylinder 1 and the strip clamping plate 16 are provided with puncture needle bayonets, so that puncture needles can be fixed, puncture tubes can be effectively positioned, and sliding during puncture is avoided. The ultrasonic probe adopts a high-frequency B ultrasonic linear array probe, is positioned at the main body part of the whole device and is wrapped in a cylinder of the puncture positioning auxiliary device, and the like. The puncture tube adopts a disposable puncture needle, which can ensure the realization of the puncture aseptic principle.
When clinical operation, medical personnel only need to overlap puncture location auxiliary device in the ultrasonic probe outside, under the real-time guide of B ultrasonic, find vein under the clavicle, after rotation assembly pulley locking direction, place disposable puncture needle on the puncture needle bayonet socket, promote the puncture device remove after that, do not need to hold the puncture device all the time and remove, and then the direct and puncture device area of contact of hand that has significantly reduced, can fall to the minimum with the influence that puncture device received, make puncture device remain the state removal of relative stability all the time, the operator hand that significantly reduces shakes, the influence of personal factors such as smooth hand, and then the puncture success rate has been improved greatly. Meanwhile, on the premise of skilled operation, the operation doctor can realize one-hand operation, and the clinical workload is greatly reduced.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a vein puncture supersound guide location auxiliary device, includes drum (1), guide rail (2) and baffle (3), its characterized in that: the outer surface of the cylinder (1) is provided with a guide rail (2), and the outer wall of one side of the cylinder (1) is provided with a baffle (3);
the outer wall of the guide rail (2) is provided with a pulley block (4), the front face of the pulley block (4) extends out of the guide rail (2), the pulley block (4) slides along the periphery of the guide rail (2), and the pulley block (4) consists of a rotating wheel (5), a sleeve (6), a threaded column (7), a pressing plate (8) and a connecting plate (9);
the bottom of linking up fishplate bar (9) and the outer wall laminating of guide rail (2), sleeve (6) are installed at the top of linking up fishplate bar (9), and the bottom of sleeve (6) extends the inside that gets into guide rail (2), and the connecting rod is all installed at the front and the back of sleeve (6), and is two sets of runner (5) are all installed to the one end of connecting rod, screw thread post (7) are installed at the top of sleeve (6), and the bottom of screw thread post (7) runs through the inside of sleeve (6), and pressure board (8) are installed at the top of screw thread post (7), and pressure board (8) are connected with slip locking device (19).
2. The venipuncture ultrasonic guided positioning assistance device of claim 1, wherein: the front of linkage plate (9) is installed card frame (10), the top of card frame (10) is provided with pjncture needle bayonet socket one, screw thread post (7) are used for locking the angle of card frame (10), one side outer wall of guide rail (2) is provided with angle scale mark (11).
3. The venipuncture ultrasonic guided positioning assisting device of claim 1, wherein: the top of baffle (3) is provided with logical groove (12), the top of baffle (3) is provided with length scale mark (13), and length scale mark (13) are located the place ahead that leads to groove (12), the top of baffle (3) is provided with two sets of spout (14) of arranging around, and two sets of spout (14) are located the place ahead and the rear that lead to groove (12) respectively.
4. A venipuncture ultrasound guided positioning assistance device as claimed in claim 3, wherein: and the bottom walls of the two groups of sliding grooves (14) are provided with sliding blocks (15), and the tops of the sliding blocks (15) extend out of the inner parts of the sliding grooves (14).
5. The venipuncture ultrasonic guided positioning assisting device of claim 4, wherein: two sets of rectangular cardboard (16) are installed at the top of slider (15), and the bottom of rectangular cardboard (16) is laminated with the top of baffle (3), the top of rectangular cardboard (16) is provided with pjncture needle bayonet socket two.
6. The venipuncture ultrasonic guided positioning assistance device of claim 1, wherein: two groups of fixing blocks (17) which are arranged in the front and back are arranged on the outer wall of one side, close to the cylinder (1), of the baffle (3), and the back of one group of fixing blocks (17) and the front of the other group of fixing blocks (17) are attached to the front and the back of the cylinder (1) respectively.
7. The venipuncture ultrasonic guided positioning assisting device of claim 1, wherein: and a hollow rod (18) is arranged on the outer wall of one side of the cylinder (1) far away from the baffle (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221416158.3U CN217987668U (en) | 2022-06-08 | 2022-06-08 | Venipuncture ultrasonic guiding and positioning auxiliary device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221416158.3U CN217987668U (en) | 2022-06-08 | 2022-06-08 | Venipuncture ultrasonic guiding and positioning auxiliary device |
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| CN217987668U true CN217987668U (en) | 2022-12-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117815023A (en) * | 2024-01-19 | 2024-04-05 | 江阴市康捷医疗科技有限公司 | Ultrasonic guided axillary vein central venipuncture catheterization equipment and method |
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2022
- 2022-06-08 CN CN202221416158.3U patent/CN217987668U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117815023A (en) * | 2024-01-19 | 2024-04-05 | 江阴市康捷医疗科技有限公司 | Ultrasonic guided axillary vein central venipuncture catheterization equipment and method |
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