CN210904341U - Blood nozzle sealing structure - Google Patents
Blood nozzle sealing structure Download PDFInfo
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- CN210904341U CN210904341U CN201921175512.6U CN201921175512U CN210904341U CN 210904341 U CN210904341 U CN 210904341U CN 201921175512 U CN201921175512 U CN 201921175512U CN 210904341 U CN210904341 U CN 210904341U
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Abstract
The utility model relates to the technical field of medical equipment, a blood nozzle sealing structure is disclosed, including encapsulation lid and blood nozzle gland, the encapsulation lid is installed on the perfusion ware, be equipped with blood nozzle post and spliced pole on it, be equipped with the blood nozzle hole on the blood nozzle post, during the use, establish blood nozzle gland lid on the spliced pole, and make the partition wall install to first installation intracavity and close soon through the screw thread matching, and blood nozzle post installs to the appearance chamber of blood nozzle gland, through the partition wall, the outer wall of spliced pole and blood nozzle gland seals the blood nozzle hole, can avoid the blood nozzle gland directly to stretch into in the blood nozzle hole with the inner wall contact in blood nozzle hole, thereby guarantee that the perfusion ware is in aseptic sealed state.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a blood mouth seal structure.
Background
The hemoperfusion apparatus is mainly used for molecular toxin adsorption in acute and chronic drug poisoning and uremia, and adsorption of pathogenic factors in the fields of liver diseases and immunity. At present, the main application modes of the device are a separate blood perfusion mode, a blood dialysis and blood perfusion combined mode and a plasma separation and adsorption mode.
Be equipped with the blood mouth that is used for the blood circulation on the blood perfusion ware, when user state, the blood mouth is connected on blood transfusion pipeline, when non-user state, the blood mouth need adopt seal structure to seal, in order to prevent bacterium or microorganism entering perfusion ware, current blood mouth seal structure all be directly be equipped with on the gland with blood mouth assorted end cap, stretch into to seal the blood mouth with the blood mouth through the end cap, however, because the end cap stretches into to the blood mouth in direct and the inner wall contact of blood mouth, cause the pollution to the blood mouth easily, and then influence the follow-up use of perfusion ware.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a blood mouth seal structure can avoid the pollution of blood mouth gland to the blood mouth, guarantees that the perfusion ware is in aseptic sealed state.
In order to solve the problems, the utility model provides a blood nozzle sealing structure, including encapsulation lid and the blood nozzle gland that covers on the encapsulation lid, be equipped with blood nozzle post and spliced pole on the encapsulation lid, be equipped with the blood nozzle hole that is used for the circulation of blood in the blood nozzle post, blood nozzle post and the spliced pole interval set up so that be formed with a first installation cavity between blood nozzle post and the spliced pole, the spliced pole is equipped with the internal thread;
the blood nozzle gland comprises a gland body with an opening at the lower end, a partition wall is arranged in the gland body and divides the gland body into a cavity into which the blood nozzle column extends and a second installation cavity into which the connection column is installed, and the partition wall is provided with external threads matched with the internal threads of the connection column.
Further preferably, the upper end surface of the encapsulation cover is provided with a plurality of positioning protrusions, each positioning protrusion is annularly arranged on the periphery of the connecting column, and the bottom of the gland body is provided with a plurality of positioning grooves matched with the positioning protrusions.
Further preferably, the sealing cover includes a main body and an abutting portion, the abutting portion is connected to the main body through an arc-shaped transition portion, and the cross-sectional dimension of the arc-shaped transition portion gradually decreases along the direction from the abutting portion to the main body.
Further preferably, the body portion protrudes outward, a connecting portion matched with the upper end face of the encapsulation cover is arranged at the lower end of the gland body, and the positioning groove is arranged on the connecting portion.
Further preferably, the blood nozzle column and the gland body are both cylindrical, and the peripheral wall of the gland body is provided with an anti-slip strip.
Further preferably, a sealing element is sleeved between the gland body and the connecting column.
Further preferably, the partition wall is installed in the first installation cavity, and has a gap with the bottom of the first installation cavity.
Further preferably, the connecting column is installed in the second installation cavity, and has a gap with the bottom of the second installation cavity.
The utility model provides a seal structure of blood nozzle, including encapsulation lid and blood nozzle gland, the encapsulation lid is installed on the perfusion ware, be equipped with blood nozzle post and spliced pole on it, be equipped with the blood nozzle hole on the blood nozzle post, during the use, establish blood nozzle gland lid on the spliced pole, and make the partition wall install to first installation intracavity and close soon through the screw thread matching, and blood nozzle post installs to the appearance chamber of blood nozzle gland in, through the partition wall, the outer wall of spliced pole and blood nozzle gland seals the blood nozzle hole, can avoid the blood nozzle gland directly to stretch into to the blood nozzle hole in with the inner wall contact in blood nozzle hole, thereby guarantee that the perfusion ware is in aseptic sealed state.
Drawings
Fig. 1 is an exploded schematic view of a blood nozzle sealing structure in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a blood nozzle gland in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a blood nozzle sealing structure in an embodiment of the present invention.
In the figure, 100, a package cover; 200. a blood nozzle gland; 101. a blood stem; 102. connecting columns; 103. a blood nozzle hole; 104. a first mounting cavity; 105. an internal thread; 106. positioning the projection; 100a, a body portion; 100b, an abutting portion; 100c, an arc transition part; 201. a gland body; 202. a partition wall; 203. a cavity; 204. a second mounting cavity; 205. an external thread; 206. a positioning groove; 207. a connecting portion; 208. and (4) an anti-slip strip.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
With reference to fig. 1 to 3, a blood nozzle sealing structure according to an embodiment of the present invention is schematically shown, including a sealing cover 100 and a blood nozzle gland 200 covering the sealing cover 100, the sealing cover 100 is provided with a blood nozzle column 101 and a connecting column 102, a blood nozzle hole 103 for blood circulation is provided in the blood nozzle column 101, the blood nozzle column 101 and the connecting column 102 are arranged at an interval to form a first mounting cavity 104 between the blood nozzle column 101 and the connecting column 102, and the connecting column 102 is provided with an internal thread 105; the blood tap gland 200 comprises a gland body 201 with an opening at the lower end, a partition wall 202 is arranged in the gland body 201, the gland body 201 is divided into a containing cavity 203 for the blood tap column 101 to extend into and a second mounting cavity 204 for mounting the connecting column 102 by the partition wall 202, and the partition wall 202 is provided with an external thread 205 matched with the internal thread 105 of the connecting column 102.
Specifically, encapsulation lid 100 is installed on the perfusion ware, be equipped with blood nozzle post 101 and spliced pole 102 on it, be equipped with blood nozzle hole 103 on the blood nozzle post 101, during the use, establish blood nozzle gland 200 lid on spliced pole 102, and make partition wall 202 install in first installation cavity 104 and close soon through the screw thread matching, spliced pole 102 corresponds and installs in the second installation cavity 204 on blood nozzle gland 200, and blood nozzle post 101 is installed to the appearance chamber 203 of blood nozzle gland 200, cross the installation sealed to blood nozzle hole 103 through partition wall 202, spliced pole 102 and the outer wall of blood nozzle gland 200, can avoid blood nozzle gland 200 directly to stretch into in the blood nozzle hole 103 with the inner wall contact of blood nozzle hole 103, thereby guarantee that the perfusion ware is in aseptic sealed state.
In this embodiment, still be equipped with disposable end cap on blood nozzle hole 103, then establish blood nozzle gland 200 lid on spliced pole 102, can avoid blood nozzle gland 200 directly to cause the pollution with the contact of blood nozzle hole 103 on the one hand, and on the other hand supports the end cap through blood nozzle gland 200 and presses the steadiness in order to guarantee to connect on blood nozzle hole 103, avoids the end cap to drop under the exogenic action and influence the quality of perfusion ware.
Further, the up end of encapsulation lid 100 is equipped with a plurality of location arch 106, each location arch 106 ring is located spliced pole 102 periphery, the bottom of gland body 201 is equipped with a plurality of and fixes a position the positioning groove 206 that protruding 106 matches, guarantee on the one hand that the connection between blood nozzle gland 200 and the encapsulation lid 100 is firm, on the other hand, through the positioning groove 206 of gland body 201 bottom and the protruding 106 cooperation location of location on the encapsulation lid 100, can limitedly avoid the screw thread on partition wall 202 and spliced pole 102 to close excessively soon, and then lead to blood nozzle gland 200 and blood nozzle hole 103 direct contact and make the blood nozzle receive the pollution, and, can bring a kind of card pause sense for the user when going into positioning groove 206 with protruding 106 card of location, thereby can effectively remind user blood nozzle gland 200 to close in place soon.
Preferably, the sealing cap 100 includes a main body 100a and an abutting portion 100b, the main body 100a is used for sealing the opening of the perfusion apparatus, the abutting portion 100b is used for abutting and fixing with the perfusion apparatus, the abutting portion 100b is connected with the main body 100a through an arc transition portion 100c, the cross-sectional dimension of the arc transition portion 100c gradually decreases along the direction from the abutting portion 100b to the main body 100a, when the perfusion apparatus is autoclaved, the internal pressure of the perfusion apparatus increases, the sealing cap 100 can buffer between the arc transition portions 100c, the main body 100a is prevented from directly pulling the abutting portion 100b to make the sealing cap 100 fall off, the deformation of the sealing cap 100 is reduced, and the sealing cap 100 formed by the main body 100a, the abutting portion 100b and the arc transition portion 100c is similar to a butterfly shape, so that the blood nozzle pressing cap 200 can be better fixed on the sealing cap 100, the blood nozzle column 101 and the connecting column 102 can be protected to a certain extent. In order to further reduce the deformation of the sealing cap 100 under pressure and ensure the smooth circulation of blood through the blood nozzle hole 103 in the blood nozzle column 101, the main body 100a is protruded outwards, the lower end of the pressing cap body 201 is provided with a connecting portion 207 matching with the upper end surface of the sealing cap 100, and the positioning groove 206 is provided on the connecting portion 207, thereby realizing the stable connection between the pressing cap body 201 and the sealing cap 100.
In this embodiment, it is preferable that the blood nozzle column 101 and the gland body 201 are both cylindrical, so that the blood nozzle gland 200 and the packaging cover 100 can be screwed and fixed for sealing, and the peripheral wall of the gland body 201 is provided with the anti-slip strip 208, so that the friction between the operator and the gland body 201 is increased by the anti-slip strip 208, and the gland body 201 is screwed to the packaging cover 100. Further, a sealing member is sleeved between the gland body 201 and the connecting column 102, and the sealing member may be a sealing ring or a filled sealing medium, so as to further prevent the blood nozzle hole 103 from being contaminated.
Preferably, the partition wall 202 is installed in the first installation cavity 104 and has a gap with the bottom of the first installation cavity 104, so that difficulty in opening the blood nozzle pressing cover 200 due to the fact that the blood nozzle pressing cover 200 is tightly attached to the packaging cover 100 due to a negative pressure condition occurring inside the tank body of the perfusion apparatus can be avoided. Similarly, the connecting column 102 is installed in the second mounting cavity 204 with a gap from the bottom of the second mounting cavity 204, which has the same effect as the aforementioned effect.
To sum up, the utility model provides a seal structure of blood mouth, including encapsulation lid 100 and blood mouth gland 200, encapsulation lid 100 is installed on the perfusion ware, be equipped with blood mouth post 101 and spliced pole 102 on it, be equipped with blood mouth hole 103 on the blood mouth post 101, during the use, establish blood mouth gland 200 lid on spliced pole 102, and make partition wall 202 install to first installation cavity 104 in and close soon through the screw thread matching, and blood mouth post 101 is installed to blood mouth gland 200 in the appearance chamber 203, through partition wall 202, spliced pole 102 and blood mouth gland 200's outer wall seals blood mouth hole 103, can avoid blood mouth gland 200 directly to stretch into the inner wall contact with blood mouth hole 103 in the blood mouth hole 103, thereby guarantee that the perfusion ware is in aseptic sealed state.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (8)
1. A blood nozzle sealing structure is characterized by comprising a packaging cover and a blood nozzle pressing cover covered on the packaging cover, wherein a blood nozzle column and a connecting column are arranged on the packaging cover, a blood nozzle hole for blood circulation is formed in the blood nozzle column, the blood nozzle column and the connecting column are arranged at intervals to form a first mounting cavity between the blood nozzle column and the connecting column, and the connecting column is provided with an internal thread;
the blood nozzle gland comprises a gland body with an opening at the lower end, a partition wall is arranged in the gland body and divides the gland body into a cavity into which the blood nozzle column extends and a second installation cavity into which the connection column is installed, and the partition wall is provided with external threads matched with the internal threads of the connection column.
2. The blood nozzle sealing structure according to claim 1, wherein the upper end surface of the sealing cap is provided with a plurality of positioning protrusions, each positioning protrusion is annularly arranged on the periphery of the connecting column, and the bottom of the gland body is provided with a plurality of positioning grooves matched with the positioning protrusions.
3. The sealing structure of claim 2, wherein the sealing cover comprises a main body and an abutting portion, the abutting portion is connected to the main body through an arc-shaped transition portion, and the cross-sectional dimension of the arc-shaped transition portion gradually decreases along the direction from the abutting portion to the main body.
4. The sealing structure of claim 3, wherein the body portion is protruded outwardly, the lower end of the cap body is provided with a connecting portion matching with the upper end surface of the cap, and the positioning groove is provided on the connecting portion.
5. The blood nozzle sealing structure according to claim 1, wherein the blood nozzle column and the gland body are cylindrical, and a peripheral wall of the gland body is provided with a slip prevention strip.
6. The blood nozzle sealing structure according to claim 1, wherein a sealing member is sleeved between the gland body and the connecting column.
7. The blood nozzle sealing structure according to claim 1, wherein the partition wall is installed in the first installation cavity with a gap from the bottom of the first installation cavity.
8. The blood nozzle sealing structure according to claim 1, wherein the connecting column is mounted in the second mounting cavity with a gap from the bottom of the second mounting cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921175512.6U CN210904341U (en) | 2019-07-24 | 2019-07-24 | Blood nozzle sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921175512.6U CN210904341U (en) | 2019-07-24 | 2019-07-24 | Blood nozzle sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210904341U true CN210904341U (en) | 2020-07-03 |
Family
ID=71357792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921175512.6U Active CN210904341U (en) | 2019-07-24 | 2019-07-24 | Blood nozzle sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210904341U (en) |
-
2019
- 2019-07-24 CN CN201921175512.6U patent/CN210904341U/en active Active
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