CN204485020U - A kind of coronary perfusion pipe - Google Patents
A kind of coronary perfusion pipe Download PDFInfo
- Publication number
- CN204485020U CN204485020U CN201520118441.1U CN201520118441U CN204485020U CN 204485020 U CN204485020 U CN 204485020U CN 201520118441 U CN201520118441 U CN 201520118441U CN 204485020 U CN204485020 U CN 204485020U
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- perfusion
- connecting portion
- hollow space
- pipe
- connection tube
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Abstract
This utility model relates to a kind of coronary perfusion pipe, comprise one for the perfusion end of heart perfusion cardioplegic solution and the connection tube for being connected with cardioplegic solution extension tube, perfusion end comprises connecting portion, guidance set and pouring head, connecting portion to be fixed on connection tube and to interconnect with connection tube, pouring head is communicated with connecting portion by guidance set, guidance set comprises a ball bowl component and a bulb, ball bowl component is fixedly connected with connecting portion, ball bowl component comprises a spherical hollow space, one of them side wall surface of spherical hollow space is provided with one and rotates mouth, bulb snaps onto in spherical hollow space by rotating mouth, a feed liquor cavity be communicated with connecting portion is also provided with in spherical hollow space, bulb is provided with a union joint, union joint reaches spherical hollow space outside by such rotation mouth, a perfusion duct is provided with in union joint, perfusion duct extends along bulb inside and is being positioned at the side wall surface upper shed of spherical hollow space, perfusion duct and feed liquor cavity connects.
Description
Technical field
This utility model relates to a kind of pipe joint formula coronary perfusion pipe, belongs to a kind of medical device.
Background technology
In open heart operations, need to cut aorta, to left and right coronary ostium perfused hearts cardioplegic solution.Requirements of operation cardiac muscle is fully poured into, and also will reduce the asystole time simultaneously as far as possible, reduce repetitive operation, thus ensure patient's successful surgery.Tradition coronary perfusion pipe is bar and head-clamp angle is 135 ° and 90 ° two kinds, all cardioplegic solution extension tube will be connected respectively with left and right coronary perfusion pipe at every turn, carry out asystole perfusion in using.Open heart operations generally needs to pour into for 2-3 time, repeatedly connects intrusion pipe and adds operating time, make operation seem discontinuous.Simultaneously in some cardiacs, there is variation in the position of left and right coronary ostium, the coronary perfusion pipe of original fixed angle and the coronary opening of variation cannot mate completely, and cause coronary perfusion hourglass blood more, cardiac muscle can not be protected fully.
Utility model content
The technical problems to be solved in the utility model is: overcome in existing art the coronary perfusion pipe needing repeatedly to change different angles, and the perfusion end of fixed angle is difficult to adapt to the special coronary ostium in some positions.There is provided a kind of can the intrusion pipe of arbitrarily angled adjustment, ensure the coupling completely of perfusion end and coronary ostium, ensure that cardiac muscle adequately protects, reduce operating procedure, shortening operating time.
This utility model solves the technical scheme that its technical problem adopts:
A kind of pipe joint formula coronary perfusion pipe, comprise one for the perfusion end of heart perfusion cardioplegic solution and the connection tube for being connected with cardioplegic solution extension tube, described perfusion end comprises connecting portion, guidance set and pouring head, described connecting portion to be fixed on connection tube and to interconnect with connection tube, described pouring head is communicated with connecting portion by guidance set, described guidance set comprises N number of rotation pipe assembly, described rotation pipe assembly comprises connection tube A and connection tube B, described connection tube A outer wall is provided with one and rotates pipe, a turning set is provided with in described connection tube B, described rotation pipe is inserted in turning set, rotate between pipe outer wall and turning set inwall and be slidably matched, wherein N >=1,
Described rotation pipe outer wall is provided with at least one protruding ring, and on described turning set inwall, the position of respective protrusions ring is provided with an annular groove, and described protruding ring and annular groove are worked in coordination, and realizes rotating the axial restraint between pipe and turning set;
Described rotation pipe outer wall is also provided with a sealing ring, and the outer edge surface of described sealing ring matches with turning set inwall;
The internal gutter of described connection tube A is communicated with connection tube B internal gutter by rotating pipe;
Wherein first connection tube A rotating pipe assembly is communicated with connecting portion, and the connection tube B of N number of rotation pipe assembly is communicated with pouring head, and the connection tube A between adjacent two runner assemblies and connection tube B interconnects.
As further innovation of the present utility model, described sealing ring is star sealing ring.
As further innovation of the present utility model, the quantity of described protruding ring is at least two.
As further innovation of the present utility model, the connection tube A rotating pipe assembly relative to same and connection tube B is rotationally connected face and is plane, be rotationally connected that face to be provided with a circular orientation coaxial with turning set protruding at described connection tube A, described connection tube B be rotationally connected face is provided with one with the annular groove of described circular orientation male cooperation.
As further innovation of the present utility model, the top of described circular orientation projection is provided with an auxiliary seal ring, and described auxiliary seal ring adopts woollen goods to make.
The beneficial effects of the utility model are:
1, this utility model is by pouring on the rotating connecting mechanism of first more piece tubular type, can for when performing the operation, the diverse location run into and the coronary ostium of angle adjust, do not need the intrusion pipe customizing special angle, simultaneously this utility model also can one tube multipurpose, only need the intrusion pipe of a specification just can adapt to the coronary ostium of all positions and angle in operation process, effectively can shorten operating time, reduce operation cost.Because of the switching repeatedly of perfusion end angle, the internal diameter of intrusion pipe can not be affected, and then affects injection pressure and flow simultaneously.
2, be fixed by simple position limiting structure between rotation pipe of the present utility model and turning set simultaneously, structure can be simplified significantly, reduce manufacturing cost and simplified manufacturing technique.
3, star sealing ring is again X-shaped sealing ring, and compared with enclosing with O shape, because X-shaped sealing ring forms lubrication cavity volume between sealing lip, have less frictional resistance, the resistance of start, realization that can be convenient is to the adjustment of pouring head.
4, the quantity of protruding ring is at least 2, can improve the radial stability rotated between pipe and turning set, compared to a protruding ring, and the more difficult generation section pendulum of protruding ring of two or more quantity.
5, circular orientation cooperation that is protruding and annular groove not only increases the rotational stability between connection tube A and connection tube B, also improves the leakageresistance of rotating mechanism simultaneously.
6, the auxiliary seal ring that woollen goods are made not only make use of the good plasticity of woollen goods; effectively can improve the leakageresistance of rotating mechanism; woollen goods surface smoother simultaneously; often can be used on some split sleeve bearings; this utility model make use of woollen goods smoothness of the surface, to reduce the rotary resistance between connection tube A and connection tube B.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further illustrated.
Fig. 1 is the schematic diagram of intrusion pipe in prior art;
Fig. 2 is the intrusion pipe that one-level rotates tubular construction;
Fig. 3 is the intrusion pipe that secondary rotates tubular construction;
Fig. 4 is the partial enlarged drawing at A place in Fig. 2;
Fig. 5 is use schematic diagram of the present utility model;
Figure comprises: perfusion end 1, connection tube 2, fixed part 3, pouring head 4, stainless steel tube 5, one-level are rotated pipe assembly 6, secondary rotation pipe assembly 7, connection tube A8, connection tube B9, turning set 10, rotated pipe 11, auxiliary seal ring 12, protruding ring 13, star sealing ring 14.
Detailed description of the invention
By reference to the accompanying drawings this utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with this utility model.
Embodiment 1
As shown in Figure 2 and Figure 4, this utility model is a kind of pipe joint formula coronary perfusion pipe, mainly comprise the fixed part 3 for being connected with cardioplegic solution extension tube, the connection tube 2 of a stainless steel and a perfusion end 1, fixed part 3 is fixed on one end of connection tube 2 for hollow structure and is communicated with connection tube 2, described perfusion end 1 is arranged on the other end of connection tube 2, described perfusion end 1 comprises connecting portion, guidance set and pouring head 4, described connecting portion to be fixed on connection tube 2 and to interconnect with connection tube 2, and described pouring head 4 is communicated with connecting portion by guidance set;
Described guidance set comprises an one-level and rotates pipe assembly 6, described rotation pipe 11 assembly comprises connection tube A8 and connection tube B9, described connection tube A8 outer wall is vertically installed with one and rotates pipe 11, a turning set 10 is provided with in described connection tube B9, described rotation pipe 11 is inserted in turning set 10, rotates between pipe 11 outer wall and turning set 10 inwall and is slidably matched;
A protruding ring 13 is provided with in the bottom of described rotation pipe 11 outer wall and top, on described turning set 10 inwall, the position of respective protrusions ring 13 is provided with an annular groove, described protruding ring 13 is worked in coordination with annular groove, realizes rotating the axial restraint between pipe 11 and turning set 10;
Described rotation pipe 11 outer wall is also provided with a star sealing ring 14, and the outer edge surface of described star sealing ring 14 matches with turning set 10 inwall;
The internal gutter of described connection tube A8 is communicated with connection tube B9 internal gutter by rotating pipe 11;
The connection tube A8 wherein rotating pipe 11 assembly is communicated with connecting portion, and connection tube B9 is communicated with pouring head, and pouring head 4 comprises an intrusion pipe, and intrusion pipe is fixed with a Rubber end;
The connection tube A8 rotating pipe 11 assembly relative to same and connection tube B9 is rotationally connected face and is plane, be rotationally connected that face to be provided with a circular orientation coaxial with turning set 10 protruding at described connection tube A8, described connection tube B9 be rotationally connected face is provided with one with the annular groove of described circular orientation male cooperation; The top of described circular orientation projection is provided with an auxiliary seal ring 12, and described auxiliary seal ring 12 adopts woollen goods to make;
When manufacturing, connection tube A8 and connection tube B9 all adopts the medical grade plastic such as PVC to make, because the toughness of plastics and elasticity, when assembling, can directly rotation pipe 11 be pressed in turning set 10, rotate pipe 11 during press-in and local deformation occurs, protruding ring 13 is snapped onto in annular groove.
Embodiment 2
As shown in Figure 3, for a kind of pipe joint formula coronary perfusion pipe, mainly comprise the fixed part 3 for being connected with cardioplegic solution extension tube, the connection tube 2 of a stainless steel and a perfusion end 1, fixed part 3 is fixed on one end of connection tube 2 for hollow structure and is communicated with connection tube 2, described perfusion end 1 is arranged on the other end of connection tube 2, described perfusion end 1 comprises connecting portion, guidance set and pouring head 4, described connecting portion to be fixed on connection tube 2 and to interconnect with connection tube 2, and described pouring head 4 is communicated with connecting portion by guidance set;
Described guidance set comprises an one-level and rotates pipe assembly 6 and a secondary rotation pipe assembly 7, described one-level is rotated pipe 11 assembly and is comprised connection tube A8 and connection tube B9, described connection tube A8 outer wall is vertically installed with one and rotates pipe 11, a turning set 10 is provided with in described connection tube B9, described rotation pipe 11 is inserted in turning set 10, rotates between pipe 11 outer wall and turning set 10 inwall and is slidably matched;
Wherein rotate pipe A8 to be communicated with connection tube, rotate pipe B9 and be communicated with the rotation pipe A of secondary runner assembly 7 by a stainless steel tube 5, the rotation pipe B of secondary runner assembly 7 is communicated with the intrusion pipe of pouring head.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content in description, must determine its technical scope according to right.
Claims (6)
1. a coronary perfusion pipe, comprise one for the perfusion end of heart perfusion cardioplegic solution and the connection tube for being connected with cardioplegic solution extension tube, it is characterized in that: described perfusion end comprises connecting portion, guidance set and pouring head, described connecting portion to be fixed on connection tube and to interconnect with connection tube, described pouring head is communicated with connecting portion by guidance set, described guidance set comprises a ball bowl component and a bulb, described ball bowl component is fixedly connected with connecting portion, described ball bowl component comprises a spherical hollow space, one of them side wall surface of described spherical hollow space is provided with one and rotates mouth, described bulb snaps onto in spherical hollow space by rotating mouth,
A feed liquor cavity be communicated with connecting portion is also provided with in described spherical hollow space, described bulb is provided with a union joint, union joint reaches spherical hollow space outside by such rotation mouth, a perfusion duct is provided with in described union joint, described perfusion duct extends along bulb inside and is being positioned at the side wall surface upper shed of spherical hollow space, described perfusion duct and feed liquor cavity connects, cardioplegic solution flow in perfusion duct by feed liquor cavity, described pouring head to be arranged on union joint and with perfusion hole link.
2. a kind of coronary perfusion pipe as claimed in claim 1, it is characterized in that: described spherical hollow space comprises a hemispheric support bowl and an annular spacing bowl, described support bowl is fixedly connected with connecting portion, described rotation mouth is arranged in the annular inner circle of spacing bowl, and described spacing bowl is connected with support bowl by connecting elements.
3. a kind of coronary perfusion pipe as claimed in claim 2, is characterized in that: on the annular inner wall face of described spacing bowl, be also provided with a sealing ring, the inner headed face of sealing ring and bulb surface contact.
4. a kind of coronary perfusion pipe as claimed in claim 2, is characterized in that: described support bowl and connecting portion are structure as a whole, the described axis of feed liquor cavity and the axis coaxle of connecting portion.
5. a kind of coronary perfusion pipe as claimed in claim 4, it is characterized in that: described connecting elements comprises one and is arranged on the annular joint face that connecting ring on spacing bowl outer circular edge face and are arranged on connecting portion outer wall, is threaded connection between the internal face of described connecting ring and joint face.
6. a kind of coronary perfusion pipe as claimed in claim 1, is characterized in that: described perfusion duct is flaring structure, and the diameter in perfusion duct, union joint position is less than the diameter in bulb opening part perfusion duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520118441.1U CN204485020U (en) | 2015-02-27 | 2015-02-27 | A kind of coronary perfusion pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520118441.1U CN204485020U (en) | 2015-02-27 | 2015-02-27 | A kind of coronary perfusion pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204485020U true CN204485020U (en) | 2015-07-22 |
Family
ID=53564317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520118441.1U Expired - Fee Related CN204485020U (en) | 2015-02-27 | 2015-02-27 | A kind of coronary perfusion pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204485020U (en) |
-
2015
- 2015-02-27 CN CN201520118441.1U patent/CN204485020U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150722 Termination date: 20180227 |