CN216395005U - Central venous catheter fixer for dialysis - Google Patents
Central venous catheter fixer for dialysis Download PDFInfo
- Publication number
- CN216395005U CN216395005U CN202120441828.6U CN202120441828U CN216395005U CN 216395005 U CN216395005 U CN 216395005U CN 202120441828 U CN202120441828 U CN 202120441828U CN 216395005 U CN216395005 U CN 216395005U
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- China
- Prior art keywords
- shell
- connecting rod
- rod
- central venous
- venous catheter
- 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
- 238000000502 dialysis Methods 0.000 title claims abstract description 22
- 210000005069 ears Anatomy 0.000 claims abstract description 4
- 239000002390 adhesive tape Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 208000001647 Renal Insufficiency Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000004731 jugular vein Anatomy 0.000 description 1
- 201000006370 kidney failure Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a central venous catheter fixer for dialysis, which comprises a support rod, a driving mechanism, a clamp and a hook, wherein the support rod is connected with the clamp; the driving mechanism is arranged at one end of the supporting rod; the two clamps are oppositely arranged at one end of the driving mechanism far away from the supporting rod, and when the driving mechanism is driven to be close to or far away from the supporting rod, the driving mechanism can drive the two clamps to oppositely rotate or oppositely rotate; the hook has elasticity, is arranged at the end part of the support rod far away from the driving mechanism and is used for being hung on ears. This central venous catheter fixer is used in dialysis makes things convenient for central venous catheter's fixed promptly, improves patient's comfort simultaneously.
Description
Technical Field
The utility model relates to a medical instrument, in particular to a central venous catheter fixer for dialysis.
Background
In clinical practice, in the case of a partial renal failure, a central venous catheter needs to be inserted from the jugular vein of the neck to treat the patient in an urgent situation. However, in the treatment process, the central venous catheter is not fixed, and swings in the operation process, so that the operation is affected, and pain and danger are brought to a patient, and therefore, medical staff can fix the central venous catheter at the ear part through the adhesive plaster. However, the use of adhesive tapes has the following disadvantages: 1. the operation is troublesome: the adhesive tape needs to be wound for many times and then fixed; 2. discomfort: when the adhesive tape is fixed, the end part of the adhesive tape needs to be fixed at the ear part, and when the adhesive tape is taken down, the adhesive tape needs to be torn, so that discomfort and even pain are brought to a patient; 3. and (3) infirm fixation: when the adhesive tape is attached, the adhesive tape is easily attached to the hair due to the presence of the hair at the ear part, which causes unstable attachment, and also causes pain by pulling the hair when it is removed.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a central venous catheter fixer for dialysis, which is convenient for fixing a central venous catheter and simultaneously improves the comfort of a patient.
In order to achieve the purpose, the utility model is realized by the following technical scheme: a central venous catheter holder for dialysis, comprising:
a support bar;
the driving mechanism is arranged at one end of the supporting rod;
the two clamps are oppositely arranged at one end of the driving mechanism, which is far away from the supporting rod, and when the driving mechanism is driven to be close to or far away from the supporting rod, the driving mechanism can drive the two clamps to oppositely rotate or oppositely rotate; and
the hook is elastic, is arranged at the end part of the support rod far away from the driving mechanism and is used for being hung on ears.
Further, the driving mechanism comprises a shell, a push rod, a clamping piece, a pushing block and a clamping assembly; the shell is positioned at the bottom end of the supporting rod and is arranged at an interval with the supporting rod, and a through hole communicated with the inner cavity of the shell is formed in one side wall of the shell; one end of the push rod is fixed on the end face, facing the shell, of the support rod, the other end of the push rod can extend into the shell from the top of the shell in a sliding mode, a limiting hole is formed in the side wall, close to the support rod, of the push rod, and when the shell slides to the topmost end along the push rod, the limiting hole can be aligned with the via hole; the clamping piece is arranged on the shell and can penetrate through the through hole to be inserted into the limiting hole; the pushing block is positioned in the shell and arranged at the end part of the push rod, and a plurality of teeth are arranged on the left side and the right side of the pushing block at intervals along the height direction of the pushing block; the two groups of clamping components are oppositely positioned at the left side and the right side of the pushing block; the clamping assembly comprises a driven gear, a first connecting rod, a second connecting rod and a third connecting rod; the driven gear can be rotatably arranged on the inner wall of the shell and is meshed with the teeth; one end of the first connecting rod is fixed on the driven gear, and the other end of the first connecting rod is hinged with the end part of the third connecting rod; one end of the second connecting rod is hinged with the inner wall of the shell, and the other end of the second connecting rod is hinged with the middle part of the third connecting rod; the bottom end of the shell is provided with a sliding chute communicated with the inner cavity of the shell, and the end part of the third connecting rod, which is far away from the first connection, extends out of the sliding chute and can slide in the sliding chute; the clamp is fixed at one end, far away from the first connecting rod, of the third connecting rod and is positioned to face the other group of clamping components.
Furthermore, the clamping piece is a bolt, and the bolt can penetrate through the via hole and be inserted into the limiting hole.
Furthermore, the inner wall of shell towards one side that promotes the piece along promote the piece direction of motion and seted up T shape guide way, promote be provided with on the piece with the T shape sliding block of T shape guide way adaptation, just T shape sliding block can along the T shape guide way slides.
Furthermore, cushions are arranged on the opposite end faces of the two clamps.
Further, the push rod is prismatic, and the shape of the through hole is matched with the push rod.
Furthermore, a soft cushion is arranged on the contact surface of the hook and the ear.
The utility model has the beneficial effects that:
the central venous catheter fixator for dialysis comprises a support rod, a driving mechanism, a clamp and a hook, wherein the driving mechanism is arranged at one end of the support rod; the two clamps are oppositely arranged at one end of the driving mechanism far away from the supporting rod, and when the driving mechanism is driven to be close to or far away from the supporting rod, the driving mechanism can drive the two clamps to oppositely or reversely rotate; the hook has elasticity, is arranged at the end part of the support rod far away from the driving mechanism and is used for being hung on ears; when in use, the driving mechanism is pushed towards the direction close to the supporting rod, and the two clamps move oppositely and can clamp the central venous catheter; then the central venous catheter can be fixed by hanging the hook on the ear. After the hand is put on, the fixer is taken down, the supporting rod driving mechanism is driven towards the direction away from the supporting rod, the two clamps move in opposite directions, and the central venous catheter is loosened for next use. The whole fixer has simple and reliable operation mode, can improve the comfort of the patient and can be repeatedly used.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings, which are required to be used in the embodiments, will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.
Fig. 1 is a schematic view of a central venous catheter holder for dialysis according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the dialysis central catheter holder of FIG. 1 with the two clamps in a separated state;
FIG. 3 is a schematic view of the dialysis central catheter holder of FIG. 1 with the two clips in a closed position;
reference numerals:
1-central venous catheter, 100-supporting rod, 200-driving mechanism, 210-shell, 211-sliding groove, 212-through hole, 213-T-shaped guiding groove, 220-push rod, 221-limiting hole, 240-pushing block, 250-clamping component, 251-driven gear, 252-first connecting rod, 253-second connecting rod, 254-third connecting rod, 300-clamp and 400-hook.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1 to 3, the present invention provides a central venous catheter fixer for dialysis, which comprises a support rod 100, a driving mechanism 200, a clamp 300 and a hook 400, for fixing a central venous catheter 1 for dialysis.
Specifically, the driving mechanism 200 is disposed at one end of the support bar 100. The two clamps 300 are oppositely arranged at one end of the driving mechanism 200 far away from the support rod 100, and the driving mechanism 200 can drive the two clamps 300 to rotate oppositely or oppositely.
In this embodiment, the drive mechanism 200 includes a housing 210, a push rod 220, a detent, a pusher block 240, and a clamp assembly 250. The housing 210 is located at the bottom end of the support rod 100 and spaced from the support rod 100, and a through hole 212 communicated with the inner cavity is formed in a side wall of the housing 210. The push rod 220 is used to connect with the push block 240. The push rod 220 has one end fixed to the end surface of the support rod 100 facing the housing 210 and the other end slidably extending into the housing 210 from the top of the housing 210. The side wall of the push rod 220 close to the support rod 100 is provided with a limiting hole 221, and when the shell 210 slides to the topmost end along the push rod 220, the limiting hole 221 can be aligned with the via hole 212. The locking member is disposed on the housing 210 and can be inserted into the limiting hole 221 through the through hole 212. In an implementation, the locking member may be a pin, and the pin can pass through the through hole 212 and be inserted into the limiting hole 221. When the plug pin is inserted into the limiting hole 221 from the through hole 212, the push rod 220 can be limited.
The pushing block 240 is located in the housing 210 and disposed at an end of the push rod 220, and a plurality of teeth are disposed on left and right sides of the pushing block 240 at intervals in a height direction thereof. The clamping assemblies 250 are provided in two sets and are oppositely disposed on the left and right sides of the pusher block 240. The clamping assembly 250 includes a driven gear 251, a first link 252, a second link 253, and a third link 254. The driven gear 251 is rotatably provided at an inner wall of the housing 210 and engaged with the teeth. The first link 252 has one end fixed to the driven gear 251 and the other end hinged to an end of the third link 254. The second link 253 has one end hinged to the inner wall of the housing 210 and the other end hinged to the middle of the third link 254. The bottom end of the housing 210 is provided with a sliding groove 211 communicated with the inner cavity of the housing, and the end of the third connecting rod 254 far away from the first connection extends out of the sliding groove 211 and can slide in the sliding groove 211. The clip 300 is secured to an end of the third link 254 remote from the first link 252 and positioned to face the other set of gripper assemblies 250.
When the central venous catheter 1 needs to be driven and clamped, the plug pin is taken down from the through hole 212, then the shell 210 is pushed towards the direction close to the supporting rod 100 until the shell 210 is abutted against the bottom of the supporting rod 100, meanwhile, in the process of pushing the shell 210, the teeth on the two sides of the pushing block 240 drive the two driven gears 251 to rotate, under the driving of the two groups of the first connecting rod 252 and the second connecting rod 253, the two third connecting rods 254 move relatively and drive the two clamps 300 to move oppositely until the central venous catheter 1 is clamped, at the moment, the through hole 212 is aligned with the limiting hole 221, the plug pin is inserted again, the position between the push rod 220 and the shell 210 can be fixed, and the clamped state is kept all the time.
When the central venous catheter 1 needs to be loosened, the latch is taken down, the shell 210 is pulled in the direction away from the supporting rod 100, the driven gear 251 can be driven to rotate reversely, the two clamps 300 are driven to move oppositely, and the central venous catheter 1 can be loosened.
In the present embodiment, in order to prevent the central venous catheter 1 from being pinched, soft pads are provided on the end surfaces of the two clips 300 that face each other. The push rod 220 has a prism shape, and the through hole 212 has a shape matched with the prism shape. The prism-shaped push rod 220 can prevent the push rod 220 from rotating in the through hole 212, so that the through hole 212 and the limiting hole 221 cannot be aligned.
The hook 400 has elasticity and is disposed at an end of the support bar 100 away from the driving mechanism 200 for hanging on the ear. In practice, hook 400 should be shaped to resemble the shape of the ear-head interface, which facilitates secure hanging of hook 400. Elasticity both has made things convenient for in the fixing, also increases human travelling comfort simultaneously, and simultaneously, couple 400 and ear contact surface are provided with the cushion, further improve human travelling comfort.
In a preferred embodiment, a T-shaped guide groove 213 is formed in a side of the inner wall of the housing 210 facing the pushing block 240 along a moving direction of the pushing block 240, and a T-shaped sliding block adapted to the T-shaped guide groove 213 is disposed on the pushing block 240 and can slide along the T-shaped guide groove 213. Through the sliding fit of the T-shaped sliding block and the T-shaped guide groove 213, the push block 240 can be prevented from being disturbed.
The use of the fixator for the central venous catheter 1 for dialysis:
when the central venous catheter fixing device is used, the plug pin is taken down from the through hole 212, the shell 210 is pulled in the direction far away from the supporting rod 100, the driven gear 251 can be driven to rotate, the two clamps 300 are driven to move back and forth, when the distance between the two clamps 300 is larger than that of the central venous catheter 1, the central venous catheter 1 is placed between the two clamps 300, then the shell 210 is pushed in the direction close to the supporting rod 100 until the shell 210 abuts against the bottom of the supporting rod 100, and the two clamps 300 move in the opposite direction until the central venous catheter 1 is clamped; then the bolt is inserted into the limit hole 221 again, and finally the whole fixer is hung at the junction of the ear and the head through the hook 400, so that the central venous catheter 1 can be fixed and prevented from moving in the operation process.
Above-mentioned central venous catheter 1 fixer for dialysis, two clips 300 drive through actuating mechanism 200, at the tight in-process of clamp, only need to promote shell 210 to the direction that is close to bracing piece 100, then can drive two clips 300 and be close to relatively, then can press from both sides central venous catheter 1 tightly, at last, hang through couple 400 and establish on the ear, accomplish whole fixed work promptly, whole operation is simple, reliable, can also improve patient's comfort, and ability reuse.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (7)
1. A central venous catheter holder for dialysis, comprising:
a support bar;
the driving mechanism is arranged at one end of the supporting rod;
the two clamps are oppositely arranged at one end of the driving mechanism, which is far away from the supporting rod, and when the driving mechanism is driven to be close to or far away from the supporting rod, the driving mechanism can drive the two clamps to oppositely rotate or oppositely rotate; and
the hook is elastic, is arranged at the end part of the support rod far away from the driving mechanism and is used for being hung on ears.
2. The central venous catheter holder for dialysis as claimed in claim 1, wherein the drive mechanism comprises a housing, a push rod, a detent, a push block, and a clamping assembly; the shell is positioned at the bottom end of the supporting rod and is arranged at an interval with the supporting rod, and a through hole communicated with the inner cavity of the shell is formed in one side wall of the shell; one end of the push rod is fixed on the end face, facing the shell, of the support rod, the other end of the push rod can extend into the shell from the top of the shell in a sliding mode, a limiting hole is formed in the side wall, close to the support rod, of the push rod, and when the shell slides to the topmost end along the push rod, the limiting hole can be aligned with the via hole; the clamping piece is arranged on the shell and can penetrate through the through hole to be inserted into the limiting hole; the pushing block is positioned in the shell and arranged at the end part of the push rod, and a plurality of teeth are arranged on the left side and the right side of the pushing block at intervals along the height direction of the pushing block; the two groups of clamping components are oppositely positioned at the left side and the right side of the pushing block; the clamping assembly comprises a driven gear, a first connecting rod, a second connecting rod and a third connecting rod; the driven gear can be rotatably arranged on the inner wall of the shell and is meshed with the teeth; one end of the first connecting rod is fixed on the driven gear, and the other end of the first connecting rod is hinged with the end part of the third connecting rod; one end of the second connecting rod is hinged with the inner wall of the shell, and the other end of the second connecting rod is hinged with the middle part of the third connecting rod; the bottom end of the shell is provided with a sliding chute communicated with the inner cavity of the shell, and the end part of the third connecting rod, which is far away from the first connection, extends out of the sliding chute and can slide in the sliding chute; the clamp is fixed at one end, far away from the first connecting rod, of the third connecting rod and is positioned to face the other group of clamping components.
3. The central venous catheter holder for dialysis as claimed in claim 2, wherein the detent member is a pin that can be inserted through the through hole and into the retaining hole.
4. The central venous catheter fixator for dialysis as claimed in claim 2, wherein a T-shaped guide groove is formed in one side of the inner wall of the housing facing the pushing block along the direction of movement of the pushing block, a T-shaped sliding block adapted to the T-shaped guide groove is provided on the pushing block, and the T-shaped sliding block can slide along the T-shaped guide groove.
5. The central venous catheter holder for dialysis as claimed in claim 1 or 2, wherein a soft pad is provided on each of the opposing end faces of the two clips.
6. The central venous catheter fixator for dialysis as claimed in any of claims 2-4, wherein the push rod is prism-shaped and the through hole is shaped to fit with it.
7. The central venous catheter holder for dialysis as claimed in claim 1, wherein the surface of the hook that contacts the ear is provided with a cushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120441828.6U CN216395005U (en) | 2021-02-25 | 2021-02-25 | Central venous catheter fixer for dialysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120441828.6U CN216395005U (en) | 2021-02-25 | 2021-02-25 | Central venous catheter fixer for dialysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216395005U true CN216395005U (en) | 2022-04-29 |
Family
ID=81280576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120441828.6U Expired - Fee Related CN216395005U (en) | 2021-02-25 | 2021-02-25 | Central venous catheter fixer for dialysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216395005U (en) |
-
2021
- 2021-02-25 CN CN202120441828.6U patent/CN216395005U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220429 |