A kind of cardiovascular injuries operation hemostatic support
Technical field
The present invention relates to a kind of cardiovascular injuries operation hemostatic supports, belong to medical instruments field.
Background technology
Heart is a most important organ in vertebrate body, and major function is to provide pressure for blood flow,
Blood operation is to body various pieces.Action of the heart is to promote blood flow, and sufficient blood flow is provided to organ, tissue,
To supply oxygen and various nutriments, and take away the final product of metabolism(Such as carbon dioxide, inorganic salts, urea and uric acid), make
Cell maintains normal metabolism and function.In cardiovascular injuries operation, often need to block a certain section of blood vessel, so as to
To open position adjacent blood vessel is blocked to be operated.Existing blocking-up method is mainly hindered using aorta clamps
It is disconnected.However cardiovascular injuries operation usually needs longer operating time, if much time using aorta clamps presss from both sides for a long time
Tight sustainer carries out bloodstream blocking, and certain damage can be caused to aortic blood pipe outer wall.It so will be by rule in surgical procedure
Fixed time interval unclamps aorta clamps, unclamps mouth in aorta clamps, sustainer has blood outflow, causes hand intraoperative blood loss
The increase of amount, adds operation risk.And it can pour in substantial amounts of blood after aorta clamps is unclamped, in operating field and block operation
At this moment open country is to carry out operation of sucking blood, cumbersome, extends operating time, further increases operation risk.
The content of the invention
In view of the deficienciess of the prior art, the technical problem to be solved by the invention is to provide a kind of cardiovascular injuries
Operation hemostatic support, occluding catheter is inserted it is intravascular, by occluding catheter block blood so as to obtain clearly operation regard
It is wild.Occluding catheter is inserted intravascular, and vascular wall will not be caused to damage.
In order to solve the above technical problems, the present invention adopts the technical scheme that, a kind of cardiovascular injuries operation hemostasis branch
Frame, including outer sleeve and internal rotating plug, internal rotating plug sleeve is connected in outer sleeve, outer wall and the outside of internal rotating plug
The inner wall compressive contact of casing, internal rotating plug are rotatablely connected with outer sleeve;The outer sleeve is soft by leading portion hard tube, stage casing
Pipe and back segment hard tube composition, stage casing hose are medical polyurethane elastic tube, and leading portion hard tube and back segment hard tube are arranged at stage casing hose
Both ends and be fixedly connected with stage casing hose;One end that the internal rotating plug is arranged in outer sleeve is fixedly connected with front end
Tin, fixed seat is fixedly installed on outer sleeve inner wall, front end cylinder is threadedly coupled through fixed seat and with fixed seat;The inside
Rotating piston, which is arranged between one end in outer sleeve and fixed seat, is provided with expansion support component, and internal rotating plug is in outer cover
It is subjected to displacement in pipe and squeezing expansion support component makes expansion support component be expanded to outer sleeve outer wall direction.
Outer sleeve and internal rotating plug are provided in the technical solution of the application, in surgical procedure, is being needed first
Blood flow is temporarily blocked in the both ends for cutting off the position of blood vessel with vessel forceps respectively, blood vessel is cut in the position for needing to cut off, at this time
Blood vessel only has a small amount of blood outflow due to being truncated blood flow.Outer sleeve is inserted into blood vessel in the position of blood vessel cut-out
In fracture, by outer sleeve outer surface and the position of the frictional force fixed sleeving of blood vessel, vessel forceps are unclamped, due to outside
The filling of casing, blood will not be flowed out from the incision position of blood vessel.By the way that internal rotating plug is mobile interior in outer sleeve
Portion's rotating piston squeezes expansion support component so that and expansion support component deforms and squeezes the stage casing hose of outer sleeve, in
Outside inflated outer diameter becomes larger after section hose is subject to the extruding of expansion support component, so that stage casing hose outer wall and blood vessel
It is further to squeeze increasing friction force so that the relative position of outer sleeve and blood vessel is further fixed.First for the prior art
In gasbag-type zona vascuiosa, the hemostatic support of the application is not required to set external air charging system, simple in structure, operating comfort
It is high.
Optimization, above-mentioned operation hemostatic support, the expansion support component includes upper end covered joint seat, upper end socket cover for seat
It is connected to front end cylinder above and is rotatablely connected with front end cylinder;Several supporting rods are provided between the upper end covered joint seat and fixed seat, are propped up
The both ends of strut are fixedly connected respectively with upper end covered joint seat, fixed seat.
In the technical solution of the application, since front end cylinder is threadedly coupled with fixed seat, when internal rotating piston rotates, inside
Rotating piston can externally casing length extending direction to outer sleeve move, when internal rotating plug is moved to and upper end covered joint seat
During contact, internal rotating plug squeezes upper end covered joint seat, and the supporting rod between upper end covered joint seat and fixed seat is squeezed
After flexible deformation can occur and squeeze stage casing hose inner wall cause stage casing hose that flexible deformation occurs.
Optimization, above-mentioned operation hemostatic support, the supporting rod is arc, and elastic support sheet is provided in supporting rod,
Elastic support sheet is the elastic sheet metal of arc, and elastic support sheet is set along support pole length extending direction.
Supporting rod, which is arranged to arc, can facilitate supporting rod that flexible deformation, and the branch in the technical solution of the application occurs
The arc opening direction of strut towards front end cylinder, can so ensure the elasticity change of supporting rod after supporting rod is squeezed
Shape direction.With supporting rod flexible deformation occurs for elastic support sheet, and improves extruding force of the supporting rod to stage casing hose.
Optimize, above-mentioned operation hemostatic support, arc groove is provided on the inner surface of the stage casing hose, arc groove
Position is corresponding with the position of supporting rod.
Arc groove on the inner surface of stage casing hose can facilitate stage casing hose be supported bar squeeze after deform and to
Outer expansion.
Optimization, above-mentioned operation hemostatic support is provided with internal cavities in the internal rotating plug, and the one of internal cavities
The inner space with front end cylinder is held to connect, the other end of internal cavities is provided with closure plug, closure plug and internal rotating plug one
Shaping is set.
When whether blood condenses in hemostatic support in terms of when needing to extract blood out of blood vessel fracture in surgical procedure, only
It need to use puncture needle that can extract the blood in hemostatic support through closure plug.
Optimize, above-mentioned operation hemostatic support, connection step is respectively arranged on the both ends inner wall of the stage casing hose
The end of slot, leading portion hard tube and back segment hard tube is respectively arranged with connector sleeve, and connector sleeve is plugged in connection step groove and with being connected
Step groove thread fitting.
In the technical solution of the application by connector sleeve and annular groove be threadedly coupled add hemostatic support connection it is close
Feng Xing.
Optimize, above-mentioned operation hemostatic support, several annular grooves are provided on the outer wall of the internal rotating plug, annular
Ring apron, ring apron and outer sleeve inner wall compressive contact are provided in slot.
The connection that ring apron and outer sleeve inner wall compressive contact are added between outer sleeve and internal rotating plug is close
Feng Xing.
Optimization, above-mentioned operation hemostatic support, the fixed seat is fixedly installed on the rear end inner wall of leading portion hard tube, Gu
Reservation is integrally formed with leading portion hard tube and sets.
Optimization, above-mentioned operation hemostatic support, the front end of the leading portion hard tube is conical, outside the rear end of back segment hard tube
Rear end position-arresting disk is provided on surface, heparin is coated on the inner wall of leading portion hard tube.
For cone, that outer sleeve is facilitated to be inserted into is intravascular for the front end of leading portion hard tube, rear end position-arresting disk limitation outer sleeve
Excessively it is deep into the blood clotting intravascular, the heparin coated on the inner wall of leading portion hard tube can be in anti-hemostatic tube fracture.
Optimize, above-mentioned operation hemostatic support, internal banking stop is provided on the inner wall of the leading portion hard tube.
Internal banking stop can carry out /V to internal rotating piston, prevent internal rotating from entering in outer sleeve excessively
Deep position.
The advantage of the invention is that:Outer sleeve and internal rotating plug are provided in the technical solution of the application, is being performed the operation
In the process, blood flow is temporarily blocked with vessel forceps respectively at the both ends for the position for needing to cut off blood vessel first, blood vessel is being needed to cut
Disconnected position is cut, and blood vessel only has a small amount of blood outflow due to being truncated blood flow at this time.It will be outer in the position of blood vessel cut-out
Parts casing pipe is inserted into blood vessel fracture, passes through outer sleeve outer surface and the position of the frictional force fixed sleeving of blood vessel, pine
Vessel forceps are opened, due to the filling of outer sleeve, blood will not be flowed out from the incision position of blood vessel.By by internal rotating plug in outside
Set in-pipe causes internal rotating plug to squeeze expansion support component so that expansion support component deforms and squeezes outer cover
The stage casing hose of pipe, outside inflated outer diameter becomes larger after stage casing hose is subject to the extruding of expansion support component, so that stage casing is soft
Pipe outer wall further squeezes increasing friction force with blood vessel so that the relative position of outer sleeve and blood vessel is further solid
It is fixed.First for gasbag-type zona vascuiosa of the prior art, the hemostatic support of the application is not required to set external air charging system, structure
Simply, operating comfort is high.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of the present invention;
Fig. 2 is the outer sleeve of the present invention and the internal structure schematic diagram of internal rotating plug.
Specific embodiment
Below in conjunction with the accompanying drawings with the specific embodiment technical characterstic that the present invention is further explained.
The present invention is a kind of cardiovascular injuries operation hemostatic support, internal including outer sleeve 1 and internal rotating plug 2
Rotating piston 2 is socketed in outer sleeve 1, the outer wall of internal rotating plug 2 and the inner wall compressive contact of outer sleeve 1, internal rotating
Plug 2 is rotatablely connected with outer sleeve 1;The outer sleeve 1 is made of leading portion hard tube 3, stage casing hose 4 and back segment hard tube 5, stage casing
Hose 4 is medical polyurethane elastic tube, leading portion hard tube 3 and back segment hard tube 5 be arranged at the both ends of stage casing hose 4 and with stage casing hose
4 are fixedly connected;One end that the internal rotating plug 2 is arranged in outer sleeve 1 is fixedly connected with front end cylinder 6, in outer sleeve 1
Fixed seat 7 is fixedly installed on wall, front end cylinder 6 is threadedly coupled through fixed seat 7 and with fixed seat 7;The internal rotating plug 2 is set
Expansion support component is provided between the one end being placed in outer sleeve 1 and fixed seat 7, internal rotating plug 2 is in outer sleeve 1
It is subjected to displacement and squeezing expansion support component makes expansion support component be expanded to 1 outer wall direction of outer sleeve.
Outer sleeve 1 and internal rotating plug 2 are provided in the technical solution of the application, in surgical procedure, is being needed first
Blood flow is temporarily blocked in the both ends for cutting off the position of blood vessel with vessel forceps respectively, and blood vessel is cut in the position for needing to cut off, this
When blood vessel due to being truncated blood flow, only have a small amount of blood outflow.Outer sleeve 1 is inserted into blood in the position of blood vessel cut-out
In pipe fracture, by 1 outer surface of outer sleeve and the position of the frictional force fixed sleeving of blood vessel, vessel forceps are unclamped, due to
The filling of outer sleeve 1, blood will not be flowed out from the incision position of blood vessel.By the way that internal rotating plug 2 is moved in outer sleeve 1
So that internal rotating plug 2 squeezes expansion support component so that expansion support component deforms and squeezes the stage casing of outer sleeve 1
Hose 4, outside inflated outer diameter becomes larger after stage casing hose 4 is subject to the extruding of expansion support component, so that 4 outer wall of stage casing hose
Increasing friction force is further squeezed with blood vessel so that outer sleeve 1 and the relative position of blood vessel are further fixed.It is first right
In gasbag-type zona vascuiosa of the prior art, the hemostatic support of the application is not required to set external air charging system, simple in structure, behaviour
Make convenient degree height.
It is described expansion support component include upper end covered joint seat 8, upper end covered joint seat 8 be socketed on front end cylinder 6 on and with front end cylinder 6
Rotation connection;Be provided with several supporting rods 9 between the upper end covered joint seat 8 and fixed seat 7, the both ends of supporting rod 9 respectively with it is upper
End cap joint chair 8, fixed seat 7 are fixedly connected.
In the technical solution of the application, since front end cylinder 6 is threadedly coupled with fixed seat 7, when internal rotating piston 2 rotates,
Internal rotating plug 2 can the length extending direction of externally casing 1 moved to outer sleeve 1, when internal rotating plug 2 be moved to it is upper
When end cap joint chair 8 contacts, internal rotating plug 2 squeezes upper end covered joint seat 8, the branch between upper end covered joint seat 8 and fixed seat 7
Strut 9 flexible deformation can occur after being squeezed and squeeze 4 inner wall of stage casing hose cause stage casing hose 4 occur flexible deformation.
The supporting rod 9 is arc, and elastic support sheet 10 is provided in supporting rod 9, and elastic support sheet 10 is the bullet of arc
Property sheet metal, elastic support sheet 10 along 9 length extending direction of supporting rod set.
Supporting rod 9, which is arranged to arc, can facilitate supporting rod 9 that flexible deformation occurs, and in the technical solution of the application
The arc opening direction of supporting rod 9 so can ensure supporting rod 9 towards front end cylinder 6 after supporting rod 9 is squeezed
Flexible deformation direction.With supporting rod 9 flexible deformation occurs for elastic support sheet 10, and improves extruding of the supporting rod 9 to stage casing hose 4
Power.
Arc groove 11, the position of arc groove 11 and the position phase of supporting rod 9 are provided on the inner surface of the stage casing hose 4
It is corresponding.
Arc groove 11 on the inner surface of stage casing hose 4 can facilitate stage casing hose 4 to deform after being supported the extruding of bar 9
And it expands outwardly.
Internal cavities 12, one end of internal cavities 12 and the inner space of front end cylinder 6 are provided in the internal rotating plug 2
Connection, the other end of internal cavities 12 are provided with closure plug 13, and closure plug 13 is integrally formed with internal rotating plug 2 to be set.
When whether blood condenses in hemostatic support in terms of when needing to extract blood out of blood vessel fracture in surgical procedure, only
It need to use puncture needle that can extract the blood in hemostatic support through closure plug 13.
Connection step groove 14, leading portion hard tube 3 and back segment hard tube 5 are respectively arranged on the both ends inner wall of the stage casing hose 4
End be respectively arranged with connector sleeve 15, connector sleeve 15 is plugged in connection step groove 14 and matches somebody with somebody with being connected 14 screw thread of step groove
It closes.
The company of hemostatic support is added by being threadedly coupled for connector sleeve 15 and annular groove 14 in the technical solution of the application
Connect leakproofness.
Several annular grooves 16 are provided on the outer wall of the internal rotating plug 2, ring apron 17 is provided in annular groove 16,
Ring apron 17 and 1 inner wall compressive contact of outer sleeve.
Ring apron 17 and 1 inner wall compressive contact of outer sleeve add the company between outer sleeve 1 and internal rotating plug 2
Connect leakproofness.
The fixed seat 7 is fixedly installed on the rear end inner wall of leading portion hard tube 3, and fixed seat 7 is integrally formed with leading portion hard tube 3
It sets.
The front end of the leading portion hard tube 3 is cone, and rear end position-arresting disk is provided in the back end outer surface of back segment hard tube 5
18, heparin is coated on the inner wall of leading portion hard tube 3.
For cone, that outer sleeve 1 is facilitated to be inserted into is intravascular for the front end of leading portion hard tube 3, and rear end position-arresting disk 18 limits outside
Casing 1 is excessively deep into intravascular, and the blood that the heparin coated on the inner wall of leading portion hard tube 3 can be in anti-hemostatic tube fracture coagulates
Knot.
Internal banking stop 19 is provided on the inner wall of the leading portion hard tube 3.
Internal banking stop 19 can carry out /V to internal rotating piston 2, prevent internal rotating plug 2 from entering outer sleeve 1
Inside excessively deep position.
Certainly, it is limitation of the present invention that above description, which is not, and the present invention is also not limited to the example above, the art
Those of ordinary skill, in the essential scope of the present invention, the variations, modifications, additions or substitutions made should all belong to the present invention
Protection domain.