CN217908284U - Arteriovenous internal fistula pjncture needle anticreep subassembly - Google Patents
Arteriovenous internal fistula pjncture needle anticreep subassembly Download PDFInfo
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- CN217908284U CN217908284U CN202221679909.0U CN202221679909U CN217908284U CN 217908284 U CN217908284 U CN 217908284U CN 202221679909 U CN202221679909 U CN 202221679909U CN 217908284 U CN217908284 U CN 217908284U
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- arm
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- 206010016717 Fistula Diseases 0.000 title claims abstract description 28
- 230000003890 fistula Effects 0.000 title claims abstract description 28
- 239000008280 blood Substances 0.000 claims abstract description 39
- 210000004369 blood Anatomy 0.000 claims abstract description 38
- 239000002390 adhesive tape Substances 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims description 49
- 210000000245 forearm Anatomy 0.000 claims description 28
- 230000000087 stabilizing effect Effects 0.000 claims description 23
- 206010003226 Arteriovenous fistula Diseases 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000011505 plaster Substances 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 8
- 210000004204 blood vessel Anatomy 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 2
- 238000001631 haemodialysis Methods 0.000 description 2
- 230000000322 hemodialysis Effects 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of medical instrument, a arteriovenous internal fistula pjncture needle anticreep subassembly is disclosed, include: the puncture operating table is used for placing, supporting and fixing the arms, keeping the arms in a straight state and preventing the blood transfusion tube from shaking; the puncture needle anti-falling adhesive tape is used for fixing a needle handle of a puncture needle and one end, connected with the needle handle, of the blood transfusion tube; the puncture operating table is arranged on a support close to the arm, and the puncture needle anti-falling adhesive tape is stuck above the arm puncture part. On one hand, the arteriovenous internal fistula puncture needle anti-drop assembly ensures that the arms of a patient are kept fixed and in a straightened state in the operation process by puncturing an operating table, and prevents the puncture needle from being separated due to the movement of the arms of the patient; on the other hand, the needle handle of the puncture needle and the blood transfusion tube are fixed through the puncture needle anti-falling adhesive tape, so that the puncture needle can be tightly attached to the puncture part of the arm, and the blood transfusion tube is prevented from shaking due to external interference to separate the puncture needle.
Description
Technical Field
The utility model relates to the field of medical equipment, particularly, relate to a sound arteries and veins internal fistula pjncture needle anticreep subassembly.
Background
Hemodialysis patients need to carry out hemodialysis for many times every week, and partial patients need to carry out internal fistula puncture surgery. Because the actions of the internal fistula puncture and the blood-drawing and machine-loading process are complicated, if the internal fistula puncture needle is not pasted and fixed in time, the puncture needle may fall off, and the accidental blood loss, medical infection and repeated puncture of a patient are caused.
In view of this, the present application is specifically made.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that: during an internal fistula puncture operation, the internal fistula puncture needle may fall off from the arteriovenous of a patient, resulting in an unexpected blood loss of the patient. The purpose is to provide an arteriovenous internal fistula puncture needle anti-drop assembly, on one hand, the arm of a patient is kept fixed and in a straightening state in the operation process by a puncture operating table, and the puncture needle is prevented from being separated due to the movement of the arm of the patient; on the other hand, the needle handle of the puncture needle and the blood transfusion tube are fixed through the puncture needle anti-falling adhesive tape, so that the puncture needle can be tightly attached to the puncture part of the arm, and the blood transfusion tube is prevented from shaking due to external interference to separate the puncture needle.
The utility model discloses a following technical scheme realizes:
the utility model provides an internal arteriovenous fistula pjncture needle anticreep subassembly, includes:
the puncture operating table is used for placing, supporting and fixing the arms, keeping the arms in a straight state and preventing the blood transfusion tube from shaking;
the puncture needle anti-falling adhesive tape is used for fixing a needle handle of a puncture needle and one end, connected with the needle handle, of the blood transfusion tube;
the puncture operating table is arranged on a support close to the arm, and the puncture needle anti-falling adhesive tape is stuck above the arm puncture part.
In a further aspect of the present invention,
the puncture operating table includes: an upper arm support fixture and a forearm support fixture; the upper arm supporting and fixing device and the forearm supporting and fixing device have the same structure;
the upper arm supporting and fixing device comprises:
a stabilizing mechanism for positioning the device on a support adjacent the arm and maintaining stability of the device;
support mechanism for holding up the arm includes: a support bar and a support surface;
the fixing mechanism is used for fixing the arm;
the bottom end of the supporting rod is connected to the top of the stabilizing mechanism, and the top end of the supporting rod is connected with the bottom of the supporting surface;
the supporting surface is a cambered surface which is horizontally arranged, and the opening of the supporting surface is upward;
the fixing mechanism is bridged on two opposite edges of the top of the supporting surface;
along the length direction, the supporting surface of the upper arm supporting and fixing device and the supporting surface of the forearm supporting and fixing device are positioned on the same axis.
Further, in the above-mentioned case,
the stabilizing mechanism is a base with a certain weight; the top of the base is provided with a screw, and the bottom end of the supporting rod is provided with a threaded hole; the support rod is connected with the base through a screw and a threaded hole.
Further, in the above-mentioned case,
the stabilizing mechanism is a spring clip; the top of the spring clamp is provided with a screw, and the bottom end of the supporting rod is provided with a threaded hole; the support rod is connected with the spring clamp through a screw and a threaded hole; the spring clip is clamped on the tubular support.
Further, in the above-mentioned case,
the bracing piece includes: an upper support rod and a lower support rod; the top end of the upper support rod is connected with the bottom of the support surface, the bottom end of the lower support rod is connected with the top of the stabilizing mechanism, and the upper support rod is sleeved in the lower support rod; go up the bracing piece with the lower bracing piece includes a plurality of screw holes that set up along length direction, go up the bracing piece with the lower bracing piece passes through the bolt and is connected with the screw hole that corresponds.
Further, in the above-mentioned case,
the inner side surface of the supporting surface is provided with a spongy cushion.
Further, in the above-mentioned case,
a blood transfusion tube clamp is arranged on the fixing mechanism of the forearm supporting and fixing device; the blood transfusion tube clamp is used for clamping a blood transfusion tube and preventing the blood transfusion tube from shaking.
Further, in the above-mentioned case,
the bottom of the supporting surface of the upper arm supporting and fixing device is provided with a position adjusting rod, and a plurality of threaded holes are formed in the position adjusting rod along the length direction; the bottom of the forearm supporting and fixing device is provided with a sleeve corresponding to the position adjusting rod, and the sleeve is provided with a plurality of threaded holes along the length direction; the part of the position adjusting rod extending out of the supporting surface is sleeved in the sleeve and connected with the corresponding threaded hole through a bolt.
In a further aspect of the present invention,
the length of the fixing mechanism of the forearm support fixing device is smaller than that of the fixing mechanism of the upper support fixing device.
Further, in the above-mentioned case,
the puncture needle anti-falling adhesive tape comprises: medical adhesive plaster and puncture needle fixing sponge with certain thickness;
one surface of the puncture needle fixing sponge is pasted on the medical adhesive tape, and the other surface is provided with a first groove for filling medical cotton, a second groove for fixing a needle handle and a third groove for fixing a blood transfusion tube; the first groove, the second groove and the third groove are integrally formed; the shape and the size of the second groove are the same as those of the needle handle, and the width of the third groove is the same as the outer diameter of the blood transfusion tube.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model provides an anti-drop component of a puncture needle for arteriovenous internal fistula, a supporting mechanism of a puncture operating table can place and hold the arm of a patient, and a fixing mechanism can fix the arm to keep the arm of the patient in a straightened state in the operation process, thereby preventing the puncture needle from dropping off due to the arm movement (such as forearm bending) of the patient; meanwhile, the puncture needle anti-falling adhesive tape can fix the puncture needle at the puncture part of the arm and fix the end of the blood transfusion tube connected with the needle handle, so that the puncture needle can be tightly attached to the puncture part of the arm, and the blood transfusion tube is prevented from shaking due to external interference to separate the puncture needle.
2. The utility model provides an anti-drop component of a arteriovenous internal fistula puncture needle, which is characterized in that a stabilizing mechanism is connected with a supporting mechanism through a threaded hole and a screw, so that the stabilizing mechanism can be detached and replaced; when the support close to the arm is a table top, the stabilizing mechanism can select the base to stabilize the puncture operating table, and when the support close to the arm is a tubular object (a sickbed guardrail), the stabilizing mechanism can clamp the puncture operating table on the support through the spring clamp; the adaptability of the puncture operating table to the environment and the flexibility of installation are enhanced.
3. The utility model provides a pair of internal arteriovenous fistula pjncture needle anticreep subassembly, the bracing piece is put together through the mode combination that cup joints by last bracing piece and bottom suspension fagging, and through a plurality of screw holes and the screw connection that set up, the relative position of realizing going up bracing piece and bottom suspension fagging can change according to actual conditions, satisfies different patients' position.
4. The utility model provides a pair of internal arteriovenous fistula pjncture needle anticreep subassembly, the inboard surface of holding surface is provided with the foam-rubber cushion, increases the comfort level of patient's arm.
5. The utility model provides a pair of sound internal fistula pjncture needle anticreep subassembly is provided with defeated blood vessel pipe strap on forearm support fixing device's the fixed establishment, can block defeated blood vessel, prevents that defeated blood vessel from rocking, and leads to the pjncture needle to drop.
6. The utility model provides an arteriovenous internal fistula puncture needle anti-drop assembly, the bottom of the supporting surface of an upper arm supporting and fixing device is provided with a position adjusting rod, and the position adjusting rod is provided with a plurality of threaded holes along the length direction; the bottom of the forearm supporting and fixing device is provided with a sleeve corresponding to the position adjusting rod, and the sleeve is provided with a plurality of threaded holes along the length direction; the part of the position adjusting rod extending out of the supporting surface is sleeved in the sleeve and connected with the corresponding threaded hole through a bolt, so that the distance between the upper arm supporting and fixing device and the forearm supporting and fixing device can be adjusted according to the arm length of a patient.
7. The utility model provides a pair of internal arteriovenous fistula pjncture needle anticreep subassembly goes up the length that supports fixing device fixed establishment's length and is greater than forearm support fixing device's fixed establishment's length, is convenient for fix the arm.
8. The utility model provides a pair of internal arteriovenous fistula pjncture needle anticreep subassembly has first recess and can fill medical cotton on the fixed sponge of pjncture needle, and the needle handle can be fixed to the second recess, and the shape and the size of second recess and the shape and the size of needle handle are the same, and the blood transfusion pipe of being connected with the needle handle can be fixed to the third recess, and the width of third recess with blood transfusion pipe's external diameter is the same, realizes fixing the puncture needle at the puncture position of arm, further prevents that the pjncture needle from breaking away from.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic view of an overall structure of a puncture operating table with a base according to an embodiment of the present invention;
fig. 2 is a schematic view of the overall structure of the puncture operating table with spring clips according to the embodiment of the present invention;
fig. 3 is a longitudinal sectional view of the puncture needle anti-separation tape structure provided in the embodiment of the present invention;
fig. 4 is a top view of the puncture needle anti-separation tape structure provided by the embodiment of the present invention.
Reference numbers and corresponding part names in the drawings:
1-puncture operating table, 2-puncture needle anti-falling adhesive tape, 11-upper arm supporting and fixing device, 12-forearm supporting and fixing device, 21-medical adhesive plaster, 22-puncture needle fixing sponge, 111-stabilizing mechanism, 112-supporting rod, 113-supporting surface, 114-fixing mechanism, 115-blood transfusion tube clamp, 116-position adjusting rod, 117-sleeve, 221-first groove, 222-second groove and 223-third groove.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Examples
Because the internal fistula puncture and the blood-drawing and machine-loading process have complex actions, if the internal fistula puncture needle is not pasted and fixed in time, the puncture needle may fall off, and the patients have accidental blood loss, medical infection and repeated puncture. In order to solve the problem that the internal fistula puncture needle may fall off from the arteriovenous of the patient, the anti-falling component of the arteriovenous internal fistula puncture needle provided by the embodiment is shown in fig. 1 and comprises: the puncture operating table 1 is used for placing, supporting and fixing arms, keeping the arms in a straight state and preventing the blood transfusion tube from shaking; the puncture needle anti-falling adhesive tape 2 is used for fixing a needle handle of the puncture needle and one end of the blood transfusion tube connected with the needle handle; the puncture operating table 1 is arranged on a support close to an arm, and the puncture needle anti-falling adhesive tape 2 is stuck above the arm puncture part.
Wherein,
the puncture operating table 1 includes: the upper arm supporting and fixing device 11 and the forearm supporting and fixing device 12 respectively support and fix the upper arm and the forearm, so that the arm of a patient is always kept in a straight state in the operation process, and the puncture needle is prevented from being separated due to the fact that the elbow is bent and the arm swings left and right in the puncture operation.
The upper arm supporting and fixing device 11 and the forearm supporting and fixing device 12 in this embodiment are the same in structure, and the structure of the upper arm supporting and fixing device 11 will be described below with reference to fig. 1.
The upper arm supporting and fixing device 11 includes:
a stabilizing mechanism 111 for mounting the device on a support adjacent the arm and maintaining the stability of the device. It should be noted that, in order to make the device use an application scenario where it is not used, in the present embodiment, two alternatives of the stabilizing mechanism 111 are provided, one is to set the stabilizing mechanism 111 as a base with a certain weight, which can cope with a scenario where the top of the support near the arm is a plane (such as a bedside cabinet of a hospital bed), in which scenario, the puncturing operation table 1 can be placed on the bedside cabinet through the base, and the stability of the puncturing operation table 1 is maintained by means of the weight of the base. Alternatively, the stabilizing mechanism 111 is configured as a spring clip as shown in fig. 2, and the puncture operating table 1 can be directly clamped on a tubular support (such as a hospital bed guardrail) through the spring clip. By providing the puncture operating table 1 with the stabilizing mechanism 111 in different forms, various operating environments can be dealt with. Of course, it will be apparent to those skilled in the art that different forms of the stabilizing mechanism 111 may be used to mount and stabilize the puncture operating table 1 when facing different gesture environments.
Support mechanism for holding up the arm includes: a support bar 112 and a support surface 113. Because the internal fistula puncture operation process is complicated and consumes a long time, the supporting rod 112 and the supporting surface 113 can hold up the arm of the patient for a long time, and the arm fatigue of the patient is relieved.
Specifically, the support rod 112 includes: an upper support pole 112 and a lower support pole 112. As shown in fig. 1, the upper support rod 112 is sleeved in the lower support rod 112, and the upper support rod 112 and the lower support rod 112 are provided with a plurality of threaded holes arranged along the length direction, the number of the threaded holes on the upper support rod 112 and the lower support rod 112 is the same, and the distance between two adjacent threaded holes is also the same, so that the threaded holes on the row of the upper support rod 112 and the threaded holes on the lower support rod 112 form a one-to-one correspondence relationship; in addition, go up bracing piece 112 cover machine behind lower support bar 112 is inside, connect through bolt and corresponding screw hole, this connected mode makes go up bracing piece 112 can adjust for the upper and lower position of lower support bar 112, after adjusting to a take the altitude, it fixes upper and lower bracing piece 112 to utilize the bolt to pass the screw hole, thereby realize supporting mechanism's height-adjustable, satisfy different patients ' position (when patient's sitting position is higher, through promoting supporting mechanism's height, make patient's arm can be in the state of keeping flat as far as possible).
Further, in this example, the supporting surface 113 is a horizontally disposed arc surface, and the opening of the supporting surface 113 is upward. The supporting surface 113 of the arc-shaped surface is attached to the arm of the patient, and the upper part of the supporting surface is opened, so that the patient only needs to put the square of the arm and the concave surface of the supporting surface 113 in the operation. And, a sponge pad is provided on the inner side surface of the supporting surface 113 to increase the comfort of the patient's arm.
And a fixing mechanism 114 for fixing the arm. As shown in fig. 1, the present embodiment employs a retractable strap, and two ends of the retractable strap respectively bridge two opposite edges of the top of the supporting surface 113. The structure and principle of the telescopic belt are the same as those of the schoolbag strap. Before puncture, the elastic belt is loosened, the arm of the patient is flatly placed on the supporting surface 113, and then the elastic belt is tightened to fix the arm of the patient.
In the connection mode, the top end of the upper support rod 112 is fixedly connected with the bottom of the support surface 113. A screw is arranged at the top of the stabilizing mechanism 111 (base or spring clamp), the head of the screw is fixed at the top of the stabilizing mechanism, and the tip of the screw is upward; the bottom end of the lower support rod 112 is provided with a threaded hole, and the support mechanism and the stabilizing mechanism 111 are connected together through the threaded hole and a screw.
In addition, in order to better support the arm when the arm is straightened, the supporting surface 113 of the upper arm supporting and fixing device 11 and the supporting surface 113 of the forearm supporting and fixing device 12 are positioned on the same axis, so that the support dislocation is avoided.
Further, the height of the supporting mechanism can be adjusted up and down, and the distance between the upper arm fixing device and the forearm fixing device is adjusted. Specifically, a position adjusting rod 116 is arranged at the bottom of a supporting surface 113 of the upper arm supporting and fixing device 11, and a plurality of threaded holes are formed in the position adjusting rod 116 along the length direction; the bottom of the forearm supporting and fixing device 12 is provided with a sleeve 117 corresponding to the position adjusting rod 116, and the sleeve 117 is provided with a plurality of threaded holes along the length direction. Similarly, the number of screw holes and the distance between the screw holes on the position adjustment rod 116 are the same as those of the screw holes on the sleeve 117. The part of the position adjusting rod 116 extending out of the supporting surface 113 is sleeved in the sleeve 117 and connected with the corresponding threaded hole through a bolt. As the arm lengths of different patients are different, the arm lengths of different patients can be adapted by adjusting the distance between the forearm supporting device and the upper arm supporting device.
Also, considering the difference in circumference of the forearm and the upper arm, the length of the fixing mechanism 114 of the forearm support fixing device 12 is set to be smaller than the length of the fixing mechanism 114 of the upper support fixing device, thereby achieving better fixation of the forearm.
In addition, aiming at the puncture needle anti-falling tape 2, the embodiment improves the traditional medical tape. As shown in fig. 3, the puncture needle detachment prevention tape 2 includes: a medical adhesive plaster 21 and a puncture needle fixing sponge 22 with a certain thickness; one surface of the puncture needle fixing sponge 22 is pasted on the medical proof fabric 21, and the other surface is provided with a first groove 221 for filling medical cotton, a second groove 222 for fixing a needle handle and a third groove 223 for fixing a blood transfusion tube; the first groove 221, the second groove 222 and the third groove 223 are integrally formed; the second groove 222 has the same shape and size as the needle shaft, and the third groove 223 has the same width as the outer diameter of the blood vessel.
When the puncture needle is successfully punctured into an artery or a vein, the puncture needle needs to be fixed, the traditional method is to simply fix the needle handle by directly using a medical adhesive tape, and when the method cannot firmly fix the puncture needle. The puncture needle anti-drop tape 2 provided by the embodiment completely limits the needle handle of the puncture needle in the second groove 222 and the blood conveying tube in the third groove 223 in the fixing operation of the puncture needle after the puncture is finished, and sticks the sponge tightly to the arm by using the medical adhesive tape 21, thereby preventing the needle handle of the puncture needle and one end of the blood conveying tube connected with the needle handle from getting and causing the puncture needle to drop. On the other hand, in the present embodiment, the fixing mechanism 114 of the forearm support fixing device 12 is provided with a blood vessel transportation pipe clamp 115; the blood transfusion tube clamp 115 is used for clamping a blood transfusion tube and further preventing the blood transfusion tube from shaking.
In summary, according to the arteriovenous internal fistula puncture needle anti-drop assembly provided by the embodiment, on one hand, the arm of the patient is kept fixed and in a straightened state in the operation process through the puncture operating table 1, and the puncture needle is prevented from being separated due to the movement of the arm of the patient; on the other hand, the needle handle of the puncture needle and the blood transfusion tube are fixed through the puncture needle anti-falling adhesive tape 2, so that the puncture needle can be tightly attached to the puncture part of the arm, and the blood transfusion tube is prevented from shaking due to external interference to separate the puncture needle.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides an internal arteriovenous fistula pjncture needle anticreep subassembly which characterized in that includes:
the puncture operating table (1) is used for placing, supporting and fixing arms, keeping the arms in a straightened state and preventing the blood transfusion tube from shaking;
the puncture needle anti-falling adhesive tape (2) is used for fixing a needle handle of the puncture needle and one end, connected with the needle handle, of the blood transfusion tube;
the puncture operating table (1) is arranged on a support close to an arm, and the puncture needle anti-falling adhesive tape (2) is adhered above the arm puncture part;
puncture needle anticreep sticky tape (2) includes: a medical adhesive plaster (21) and a puncture needle fixing sponge (22) with a certain thickness;
one surface of the puncture needle fixing sponge (22) is pasted on the medical proof fabric (21), and the other surface is provided with a first groove (221) for filling medical cotton, a second groove (222) for fixing a needle handle and a third groove (223) for fixing a transfusion tube; the first groove (221), the second groove (222), and the third groove (223) are integrally formed; the shape and size of the second groove (222) are the same as those of the needle handle, and the width of the third groove (223) is the same as the outer diameter of the blood transfusion tube.
2. The arteriovenous internal fistula puncture needle anti-drop assembly of claim 1,
the puncture operating table (1) comprises: an upper arm supporting and fixing device (11) and a forearm supporting and fixing device (12); the upper arm supporting and fixing device (11) and the forearm supporting and fixing device (12) have the same structure;
the upper arm support fixture (11) includes:
a stabilizing mechanism (111) for positioning the device on a support adjacent the arm and maintaining the stability of the device;
support mechanism for holding up the arm includes: a support bar (112) and a support surface (113);
a fixing mechanism (114) for fixing the arm;
the bottom end of the supporting rod (112) is connected to the top of the stabilizing mechanism (111), and the top end of the supporting rod is connected with the bottom of the supporting surface (113);
the supporting surface (113) is a cambered surface which is horizontally arranged, and the opening of the supporting surface (113) is upward;
the fixing mechanism (114) is bridged on two opposite edges of the top of the supporting surface (113);
along the length direction, the supporting surface (113) of the upper arm supporting and fixing device (11) and the supporting surface (113) of the forearm supporting and fixing device (12) are located on the same axis.
3. The arteriovenous internal fistula puncture needle anti-drop assembly according to claim 2, wherein the stabilizing mechanism (111) is a base having a weight; a screw is arranged at the top of the base, and a threaded hole is formed in the bottom end of the supporting rod (112); the support rod (112) is connected with the base through a screw and a threaded hole.
4. The arteriovenous internal fistula puncture needle anti-drop assembly according to claim 2, wherein the stabilizing mechanism (111) is a spring clamp; a screw is arranged at the top of the spring clamp, and a threaded hole is formed in the bottom end of the supporting rod (112); the supporting rod (112) is connected with the spring clamp through a screw and a threaded hole; the spring clip is clamped on the tubular support.
5. An arteriovenous fistula puncture needle detachment prevention assembly according to any one of claims 2-4, wherein the support rod (112) comprises: an upper support rod and a lower support rod; the top end of the upper support rod is connected with the bottom of the support surface (113), the bottom end of the lower support rod is connected with the top of the stabilizing mechanism (111), and the upper support rod is sleeved in the lower support rod; go up the bracing piece with the lower bracing piece includes a plurality of screw holes that set up along length direction, go up the bracing piece with the lower bracing piece passes through the bolt and is connected with the screw hole that corresponds.
6. The arteriovenous internal fistula puncture needle detachment prevention assembly according to any one of claims 2 to 4, wherein a sponge pad is provided on the inner side surface of the support surface (113).
7. The arteriovenous internal fistula puncture needle anti-drop assembly according to any one of claims 2-4, wherein a blood conveying pipe clamp (115) is arranged on a fixing mechanism (114) of the forearm supporting and fixing device (12); the blood transfusion tube clamp (115) is used for clamping a blood transfusion tube and preventing the blood transfusion tube from shaking.
8. The arteriovenous internal fistula puncture needle anti-drop assembly according to any one of claims 2 to 4, wherein a position adjusting rod (116) is arranged at the bottom of a supporting surface (113) of the upper arm supporting and fixing device (11), and a plurality of threaded holes are formed in the position adjusting rod (116) along the length direction; a sleeve (117) corresponding to the position adjusting rod (116) is arranged at the bottom of the forearm supporting and fixing device (12), and a plurality of threaded holes are formed in the sleeve (117) along the length direction; the part of the position adjusting rod (116) extending out of the supporting surface (113) is sleeved in the sleeve (117) and connected with the corresponding threaded hole through a bolt.
9. An arteriovenous internal fistula puncture needle detachment prevention assembly according to any one of claims 2 to 4, characterized in that the length of the fixing mechanism (114) of the forearm support fixing device (12) is smaller than the length of the fixing mechanism (114) of the upper arm support fixing device (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221679909.0U CN217908284U (en) | 2022-07-01 | 2022-07-01 | Arteriovenous internal fistula pjncture needle anticreep subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221679909.0U CN217908284U (en) | 2022-07-01 | 2022-07-01 | Arteriovenous internal fistula pjncture needle anticreep subassembly |
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| CN217908284U true CN217908284U (en) | 2022-11-29 |
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| CN202221679909.0U Active CN217908284U (en) | 2022-07-01 | 2022-07-01 | Arteriovenous internal fistula pjncture needle anticreep subassembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116407304A (en) * | 2023-04-14 | 2023-07-11 | 宁波市镇海区人民医院医疗集团 | Internal fistula is fixed draw gear for vascular puncture |
-
2022
- 2022-07-01 CN CN202221679909.0U patent/CN217908284U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116407304A (en) * | 2023-04-14 | 2023-07-11 | 宁波市镇海区人民医院医疗集团 | Internal fistula is fixed draw gear for vascular puncture |
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