CN213852373U - Wrench for blood perfusion device and blood perfusion device - Google Patents
Wrench for blood perfusion device and blood perfusion device Download PDFInfo
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- CN213852373U CN213852373U CN202021821940.4U CN202021821940U CN213852373U CN 213852373 U CN213852373 U CN 213852373U CN 202021821940 U CN202021821940 U CN 202021821940U CN 213852373 U CN213852373 U CN 213852373U
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- sleeve portion
- blood
- sleeve
- handle
- wrench
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Abstract
The utility model provides a spanner for hemoperfusion ware, include: the inner circumferential wall of the sleeve portion is convexly provided with a plurality of ribs which are uniformly distributed around the axis of the sleeve portion, and each rib extends in the axial direction of the sleeve portion; the end part is covered at one axial opening end of the sleeve part, and a through hole is formed in the end part; and a handle portion having a first end connected to the outer peripheral wall of the sleeve portion and a second end extending away from the sleeve portion in a radial direction of the sleeve portion. Under the injection condition such as blood perfusion ware injection heparin, need not open the blood mouth block and can operate, convenient and fast improves blood mouth leakproofness, prevents that harmful substance such as germ in the air from getting into blood perfusion ware inside and causing the pollution, and the tip of spanner is up raised the syringe in addition, avoids the syringe needle of syringe to puncture the filter screen, guarantees blood purification treatment security. Meanwhile, the blood nozzle cap can be opened by the medical staff through the rotation of the handle part of the wrench, so that the operation is convenient, and the time and the labor are saved.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument technique and specifically relates to a blood perfusion ware that is used for spanner of blood perfusion ware and has this spanner is related to.
Background
Blood perfusion is an important component of blood purification therapy, and is to lead the blood of a patient out of the body, make the blood contact with an adsorbent in a blood perfusion device, remove certain exogenous or endogenous toxins in an adsorption mode, and return the purified blood to the body of the patient, so as to achieve the treatment purpose of purifying the blood. Blood perfusion can be used for treating severe toxicant and drug poisoning, can also be used for treating various chronic, intractable and difficult diseases, has good treatment effect, and is widely used in clinical treatment.
As a blood purification treatment unit, the conventional structure of the hemoperfusion apparatus 1 includes a cylinder 11 for accommodating an adsorbent, end cap assemblies disposed at two ends of the cylinder 11, and a filter screen 12 for stopping the adsorbent accommodated in an inner cavity of the cylinder 11. The end cover assembly comprises an end cover 13 with an outer convex blood nozzle 131 and an end cover nut 14 used for fixedly arranging the end cover 13 on the end part of the column body 11, the end cover 13 comprises an end cover body and the blood nozzle 131 arranged in an outward convex mode, a blood nozzle cover cap 15 can be detachably buckled on the blood nozzle 131, a sealing plug 16 is abutted between the blood nozzle cover cap 15 and the blood nozzle 131, and a through hole 151 arranged opposite to the blood nozzle 131 is formed in the end face, far away from the end cover nut 14, of the blood nozzle cover cap 15.
Before blood purification treatment, the blood perfusion apparatus 1 needs to be heparinized, and the specific operation process is to use the needle 21 of the syringe 2 to penetrate through the through hole 151 and then pierce the sealing plug 16 and inject heparin into the inner cavity of the blood perfusion apparatus 1. Clinical feedback, in the heparin injection process, the problem that the needle 21 of the injector 2 punctures the filter screen 12 exists, so that the adsorbent leaks to influence the safety of blood purification treatment, and serious medical accident risk exists.
In addition, when the hemoperfusion apparatus 1 performs blood purification treatment, the blood nozzle cap 15 needs to be opened so that the blood nozzle 131 is convenient to connect with an extracorporeal circulation pipeline. Because the hemoperfusion ware 1 need strictly keep sealed state in transportation and storage process, consequently blood mouth block 15 must fasten the lid and close on blood mouth 131 to cause medical personnel to unscrew blood mouth block 15 and operate difficultly, seriously influence perfusion operating time and convenient operation nature, and aggravate medical personnel's amount of labour.
Disclosure of Invention
In order to realize the utility model discloses a first purpose, the utility model provides a be used for blood perfusion ware to open block, convenient, labour saving and time saving of operation and the high spanner of security.
In order to realize the second purpose of the utility model, the utility model provides a blood perfusion device with the spanner.
In order to realize the utility model discloses a first purpose, the utility model provides a spanner for blood perfusion ware, include: the inner circumferential wall of the sleeve portion is convexly provided with a plurality of ribs which are uniformly distributed around the axis of the sleeve portion, and each rib extends in the axial direction of the sleeve portion; the end part is covered at one axial opening end of the sleeve part, and a through hole is formed in the end part; and a handle portion having a first end connected to the outer peripheral wall of the sleeve portion and a second end extending away from the sleeve portion in a radial direction of the sleeve portion.
It can be seen by above scheme, under the condition that the blood perfusion apparatus need inject injections such as heparin, the spanner cup joints on the blood mouth block of blood perfusion apparatus through the sleeve part, the rib on the internal perisporium of sleeve part internal perisporium inserts the indent card and the inslot riveting of blood mouth block periphery wall, the syringe needle of syringe passes the through-hole of the tip of spanner and the through-hole of blood mouth block in proper order, pierce the sealing plug again and pour into to blood perfusion apparatus inner chamber, need not open the blood mouth block, and is convenient and fast, the blood mouth leakproofness has been improved simultaneously, prevent harmful substance such as germ in the air from getting into the inside pollution that causes of blood perfusion apparatus, improve the security of blood purification treatment. Moreover, the end part of the wrench lifts the syringe upwards, so that the syringe needle is prevented from puncturing the filter screen, and the safety of blood purification treatment is ensured. Simultaneously, when blood perfusion ware need open blood mouth block cap, medical personnel opened blood mouth block cap through the handle portion rotation of spanner, and the operation is convenient, and labour saving and time saving solves medical personnel and opens the difficult hard problem of blood mouth block cap difficulty. Moreover, the spanner has the advantages of simple structure, small size, and optimization of medical personnel's experience while promoting the convenience in operation of medical personnel, along with high operation safety and convenient storage.
The handle portion is provided with a through groove which extends in the radial direction of the sleeve portion, so that the overall weight of the wrench is reduced, and the wrench is convenient to carry and operate.
The first side face of the first end of the handle part is connected with the outer peripheral wall of the sleeve part through a first inner concave arc surface, the second side face of the first end of the handle part is connected with the outer peripheral wall of the sleeve part through a second inner concave arc surface, and the first inner concave arc surface and the second inner concave arc surface are symmetrically arranged relative to the handle part.
It can be seen by above scheme that, the first side of handle portion first end is connected with the periphery wall of sleeve part through first indent arc surface, and the second side of handle portion first end is connected with the periphery wall of sleeve part through second indent arc surface for handle portion and sleeve part smooth transition are connected, avoid the spanner to have sharp-pointed structural feature, guarantee medical personnel's safety, and optimize medical personnel's experience.
Further, the maximum height of the handle portion is smaller than the minimum height of the sleeve portion in the axial direction of the sleeve portion.
The further scheme is that a top end surface is formed between the outer end surface of the end part far away from the ribs and the end surface of the end part adjacent to the handle part, and the top end surface is an outward convex curved surface, so that the attractiveness of the overall appearance of the wrench is improved.
Further, the cross section of each rib is a circular arc surface.
It is further preferred that the first end of each rib is connected to the end portion and the second end of each rib extends to an open end of the sleeve portion remote from the end portion in the axial direction of the sleeve portion.
Further, a boss is convexly arranged at the joint of the first end and the end part of each rib.
Still further, the number of the handle portions is two, and the two handle portions are disposed symmetrically with respect to the axis of the sleeve portion.
In order to realize the utility model discloses a second purpose, the utility model provides a blood perfusion ware, including above-mentioned spanner.
Drawings
FIG. 1 is a cross-sectional view of a prior art hemoperfusion cartridge.
Fig. 2 is a first view structural diagram of the wrench according to the first embodiment of the present invention.
Fig. 3 is a second view structural diagram of the wrench according to the first embodiment of the present invention.
Fig. 4 is a first perspective sectional view of a first embodiment of the wrench of the present invention.
Fig. 5 is a second perspective sectional view of the first embodiment of the wrench of the present invention.
Fig. 6 is a third perspective sectional view of the first embodiment of the wrench of the present invention.
Fig. 7 is a fourth perspective sectional view of the first embodiment of the wrench of the present invention.
Fig. 8 is a sectional view of the first embodiment of the wrench according to the present invention in use.
Fig. 9 is a structural view of a second embodiment of the wrench of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
First embodiment of wrench:
referring to fig. 2 and 3, the present embodiment discloses a wrench 3 for a hemoperfusion cartridge 1, comprising a sleeve portion 31, an end portion 33, and two handle portions 32, the two handle portions 32 being symmetrically disposed about an axis of the sleeve portion 31. The inner peripheral wall of the sleeve portion 31 is protrudingly provided with a plurality of ribs 311, the plurality of ribs 311 being evenly distributed around the axis of the sleeve portion 31, each rib 311 extending in the axial direction of the sleeve portion 31. The number of ribs 311 protruding from the inner peripheral wall of the sleeve portion 31 can be adjusted according to the number of the concave clips and grooves on the outer peripheral wall of the blood nozzle cap 15 of the hemoperfusion apparatus 1. The end portion 33 is covered on one axial opening end of the sleeve portion 31, the end portion 33 is opened with a through hole 331, and the through hole 331 is provided coaxially with the sleeve portion 31 in this embodiment. A first end of each handle portion 32 is connected to the outer peripheral wall of the sleeve portion 31, and a second end of each handle portion 32 extends away from the sleeve portion 31 in the radial direction of the sleeve portion 31.
Referring to fig. 4 to 7, each handle portion 32 is opened with a through groove 321, the through groove 321 extending in a radial direction of the sleeve portion 31. Specifically, a first side surface of the first end of each handle portion 32 is connected to the outer peripheral wall of the sleeve portion 31 through a first concave circular arc surface 34, a second side surface of the first end of each handle portion 32 is connected to the outer peripheral wall of the sleeve portion 31 through a second concave circular arc surface 35, and the first concave circular arc surface 34 and the second concave circular arc surface 35 adjacent to one handle portion 32 are symmetrically arranged with respect to the handle portion 32. The outer end surface 332 of the end part 33 far away from the rib 311 and the end surface 322 of the two handle parts 32 adjacent to the end part 33 form a top end surface 36, and the top end surface 36 is an outer convex curved surface. Here, in the axial direction of the sleeve portion 31, the maximum height of the handle portions 32 is smaller than the minimum height of the sleeve portion 31, that is, there is a height difference between the end surfaces of the two handle portions 32 away from the end portion 33 and the opening end surfaces of the sleeve portion 31 away from the end portion 33 in the axial direction of the sleeve portion 31.
In the present embodiment, each rib 311 has a circular arc cross section, in the axial direction of the sleeve portion 31, a first end of each rib 311 is connected to the end portion 33, a second end of each rib 311 extends to an opening end of the sleeve portion 31 far from the end portion 33, and a boss 312 is convexly provided at a connection point of the first end of each rib 311 and the end portion 33.
Referring to fig. 8, in the case that the blood perfusion apparatus 1 needs to inject injections such as heparin, the wrench 3 of the present embodiment is sleeved on the blood nozzle cap 15 of the blood perfusion apparatus 1 through the sleeve portion 31, the ribs 311 on the inner peripheral wall of the sleeve portion 31 are inserted into the concave clips and the grooves of the outer peripheral wall of the blood nozzle cap 15 for riveting, the needle 21 of the injector 2 sequentially penetrates through the through hole 331 of the end portion 33 of the wrench 3 and the through hole 151 of the blood nozzle cap 15, and then pierces the sealing plug 16 and injects into the inner cavity of the blood perfusion apparatus 1, without opening the blood nozzle cap 15, which is convenient and fast, and simultaneously improves the sealing performance of the blood nozzle 131, prevents harmful substances such as germs in the air from entering the blood perfusion apparatus 1 to cause pollution, and improves the safety of blood purification treatment. Moreover, the end 33 of the wrench 3 lifts the syringe 2 upward to prevent the needle 21 of the syringe 2 from piercing the filter 12, thereby ensuring the safety of blood purification treatment.
Simultaneously, when blood perfusion ware 1 need open blood mouth block 15, medical personnel open blood mouth block 15 through two handle portion 32 rotations of spanner 3, the operation is convenient, labour saving and time saving, solves medical personnel and opens the hard problem of 15 difficulties of blood mouth block. Moreover, this embodiment spanner 3's simple structure, small in size when promoting medical personnel operation convenience, optimizes medical personnel's experience, and operational safety is high, is convenient for accomodate and deposits.
In addition, the wrench 3 and the blood perfusion apparatus 1 of the present embodiment can be used as two products adapted to each other, and the wrench 3 and the blood perfusion apparatus 1 of the present embodiment can also be used as a set of products, that is, the wrench 3 is a component of the blood perfusion apparatus 1, so that the blood perfusion apparatus 1 includes the wrench 3 of the present embodiment.
Second embodiment of wrench:
as a description of the second embodiment of the wrench according to the present invention, only the differences from the first embodiment of the wrench will be described below.
Referring to fig. 9, the wrench 3 'of the present embodiment includes a sleeve portion 31, an end portion 33, and a handle portion 32', a first end of the handle portion 32 'being connected to an outer peripheral wall of the sleeve portion 31, and a second end of the handle portion 32' extending away from the sleeve portion 31 in a radial direction of the sleeve portion 31. The handle portion 32 ' is opened with a through groove 321 ', and the through groove 321 ' extends in the radial direction of the sleeve portion 31. Specifically, a first side surface of the first end of the handle portion 32 ' is connected to the outer peripheral wall of the sleeve portion 31 through a first concave arc surface 34, a second side surface of the first end of the handle portion 32 ' is connected to the outer peripheral wall of the sleeve portion 31 through a second concave arc surface 35, and the first concave arc surface 34 and the second concave arc surface 35 are symmetrically arranged with respect to the handle portion 32 '. The outer end face of the end part 33 far from the rib 311 and the end face of the handle part 32' adjacent to the end part 33 form a top end face which is an outer convex curved surface. Here, in the axial direction of the sleeve portion 31, the maximum height of the handle portion 32 'is smaller than the minimum height of the sleeve portion 31, that is, there is a difference in height between an end surface of the handle portion 32' away from the end portion 33 and an opening end surface of the sleeve portion 31 away from the end portion 33 in the axial direction of the sleeve portion 31.
Under the condition that the blood perfusion apparatus 1 needs to inject injections such as heparin, the wrench 3 'of the present embodiment is sleeved on the blood nozzle cap 15 of the blood perfusion apparatus 1 through the sleeve part 31, the ribs 311 on the inner peripheral wall of the sleeve part 31 are inserted into the concave clips and the grooves of the outer peripheral wall of the blood nozzle cap 15 for riveting, the needle 21 of the injector 2 sequentially penetrates through the through hole 331 of the end part 33 of the wrench 3' and the through hole 151 of the blood nozzle cap 15, and then pierces the sealing plug 16 and injects into the inner cavity of the blood perfusion apparatus 1, the blood nozzle cap 15 does not need to be opened, which is convenient and fast, meanwhile, the sealing performance of the blood nozzle is improved, harmful substances such as germs in the air are prevented from entering the interior of the blood perfusion apparatus 1 to cause pollution, and the safety of blood purification treatment is improved. Moreover, the end 33 of the wrench 3' lifts the syringe 2 upward to prevent the needle 21 of the syringe 2 from piercing the filter 12, thereby ensuring the safety of blood purification treatment.
Simultaneously, when blood perfusion ware 1 need open blood mouth block 15, medical personnel rotate through handle portion 32 'of spanner 3' and open blood mouth block 15, and the operation is convenient, and labour saving and time saving solves medical personnel and opens the hard problem of 15 difficulties of blood mouth block. Moreover, this embodiment spanner 3's simple structure, small in size when promoting medical personnel operation convenience, optimizes medical personnel's experience, and operational safety is high, is convenient for accomodate and deposits.
In addition, the wrench 3 'and the blood perfusion apparatus 1 of the present embodiment can be used as two products adapted to each other, and the wrench 3' and the blood perfusion apparatus 1 of the present embodiment can also be used as a set of products, that is, the wrench 3 'is a component of the blood perfusion apparatus 1, so that the blood perfusion apparatus 1 includes the wrench 3' of the present embodiment.
Above embodiment is the preferred example of the utility model, and not the restriction the utility model discloses the range of implementing, the event all according to the utility model discloses the equivalent change or the decoration that structure, characteristic and principle were done of application for patent scope all should be included in the utility model discloses the patent application scope.
Claims (10)
1. A wrench for a hemoperfusion cartridge, comprising:
the inner circumferential wall of the sleeve part is convexly provided with a plurality of ribs which are uniformly distributed around the axis of the sleeve part, and each rib extends in the axial direction of the sleeve part;
the end part is covered at one axial opening end of the sleeve part, and a through hole is formed in the end part;
a handle portion having a first end connected to the outer peripheral wall of the sleeve portion and a second end extending away from the sleeve portion in a radial direction of the sleeve portion.
2. The wrench according to claim 1, wherein:
the handle portion is provided with a through groove extending in the radial direction of the sleeve portion.
3. The wrench according to claim 2, wherein:
the first side face of the first end of the handle part is connected with the peripheral wall of the sleeve part through a first inner concave arc face, the second side face of the first end of the handle part is connected with the peripheral wall of the sleeve part through a second inner concave arc face, and the first inner concave arc face and the second inner concave arc face are symmetrically arranged relative to the handle part.
4. The wrench according to claim 1, wherein:
in the axial direction of the sleeve portion, the maximum height of the handle portion is smaller than the minimum height of the sleeve portion.
5. The wrench according to claim 1, wherein:
and a top end surface is formed between the outer end surface of the end part far away from the ribs and the end surface of the handle part adjacent to the end part, and the top end surface is an outer convex curved surface.
6. The wrench according to claim 1, wherein:
the cross section of each rib is a circular arc surface.
7. The wrench according to claim 1, wherein:
a first end of each of the ribs is connected to the end portion in an axial direction of the sleeve portion, and a second end of each of the ribs extends to an open end of the sleeve portion remote from the end portion.
8. The wrench according to claim 7, wherein:
and a boss is convexly arranged at the joint of the first end of each rib and the end part.
9. The wrench according to any one of claims 1 to 8, wherein:
the number of the handle portions is two, and the two handle portions are arranged symmetrically with respect to the axis of the sleeve portion.
10. Hemoperfusion cartridge, characterized in that it comprises a wrench according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021821940.4U CN213852373U (en) | 2020-08-26 | 2020-08-26 | Wrench for blood perfusion device and blood perfusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021821940.4U CN213852373U (en) | 2020-08-26 | 2020-08-26 | Wrench for blood perfusion device and blood perfusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213852373U true CN213852373U (en) | 2021-08-03 |
Family
ID=77047017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021821940.4U Active CN213852373U (en) | 2020-08-26 | 2020-08-26 | Wrench for blood perfusion device and blood perfusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213852373U (en) |
-
2020
- 2020-08-26 CN CN202021821940.4U patent/CN213852373U/en active Active
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| GR01 | Patent grant | ||
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