CN104921774A - Pressurizing blood-stopping device for liver trauma - Google Patents
Pressurizing blood-stopping device for liver trauma Download PDFInfo
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- CN104921774A CN104921774A CN201410103703.7A CN201410103703A CN104921774A CN 104921774 A CN104921774 A CN 104921774A CN 201410103703 A CN201410103703 A CN 201410103703A CN 104921774 A CN104921774 A CN 104921774A
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Abstract
The invention belongs to the field of medical apparatus and discloses a pressurizing blood-stopping device for liver trauma. The main body is a sleeve body; the sleeve body is formed by a diaphragm surface and a hepatic surface; a connection part between the two is a sleeve body edge; at least three positioning lines and at least one fastening belt are fixed on the sleeve body; each positioning line is formed by a free section and a drawing section; one end point of the first positioning line is fixed outside the edge; drawing section end points of the second positioning line and the third positioning line are all distributed on the inner side of the sleeve body edge; the drawing section of the second positioning line outwardly inclines 5 to 15 degrees along a direction of the tangent line of the diaphragm surface and then is fixed; the drawing section of the third positioning line; outwardly inclines 5 to 15 degrees along a direction of the tangent line of the diaphragm and then is fixed; the fastening belt is circumferentially fixed along the sleeve body; and the first fastening belt is fixed in the middle part of the sleeve body. The beneficial effects of the pressurizing blood-stopping device for liver trauma are that excessive ionization of the liver can be avoided and operation trauma can be reduced; and continuous even pressurizing blood stopping effect can be achieved.
Description
Technical field
The invention belongs to technical field of medical instruments, be specifically related to a kind of Liver Trauma pressure type hemostasis device.
Background technology
Liver is substantial viscera maximum in human body, Liver Trauma accounts for about 20% of trauma of abdomen, it is more common abdominal injury, according to association of the traumatology department of the U.S. (AAST) to 6 of hepar damnification grades of stagings, the damage of more than III grade is severe hepatic trauma, its mortality rate reaches more than 50%, and when merging injury of inferior vena cava after hepatic vein or liver, its mortality rate is up to 80%-90%.Liver Trauma the most thoroughly Therapeutic Method is the impaired hepatic segments of excision or lobe of the liver, the complication such as infection, gallbladder the leakage effectively later stage can being avoided to greatest extent to occur while hemostasis.But severe hepatic trauma often merges other visceral organ injury, even occur the pathophysiological change such as hypothermia, acidosis and coagulation disorders, cause vital sign unstable, the uncertainty of damage location in addition, first phase hepatectomy is often difficult to carry out.Especially under basic hospital or condition of battlefield, comparatively feasible method is that wound surface is carried out to debridement, sews up rear use gauze or binder hemostasis by compression to obvious blood vessel and the ligation of the biliary tract broken ends of fractured bone, and be transferred to rapidly hospital with good conditionsi and carry out successive treatment, but due to coagulation disorders under severe trauma condition, treated liver wound surface still likely continues oozing of blood, pass through the gauze and binder displacement of oppressing in journey after transhipment, massive hemorrhage is dead again may to cause the wounded.
The method adopting mesh sheet parcel liver wound surface and all desmorrhaphies of liver to fix generally acknowledges at present to play one of method of good Compressive Hemostasis." mesh sheet parcel operative treatment severe hepatic trauma 23 example " (" the Chinese general surgery document " published, 6th volume the 2nd phase, in April, 2012) in disclose the use of mesh sheet pack, usually foursquare mesh sheet is pruned suitable shape according to damage location and scope, first " U " shape mesh sheet is wrapped up left liver, the diaphram of below on the left of postcava after liver is fixed in the upper end of mesh sheet facies posterior hepatis, after left liver, proximal part 1/3 sews up the diaphram be fixed on the left of postcava, and distal end 2/3 is fixed on posterior peritoneum; On the left of " U " type mesh sheet other end and postcava, side's diaphram on the upper side is fixed, and diaphragmatic surface and falciform ligament, round ligament of liver polypropylene suturing with thread management are fixed, and visceral surface is cut into arc and walks around porta hepatis.During right liver parcel, the mesh sheet after cutting is fixed on right liver surrounding ligaments and peritoneum makes net, right liver rear proximal part 1/3 is sewed up and is fixed on postcava lower right-hand side diaphram after liver, and after right liver, a distant place 1/2 ~ 2/3 place is not fixed; Mesh sheet is sewed up and to be fixed on above liver top diaphram on the right side of postcava by right liver front upper place, and diaphragmatic surface polypropylene line is fixed on the mesh sheet edge, left side at falciform ligament place.
Mesh sheet pack fixes by many places the effect that mesh sheet reaches hemostasis by compression, but all there is following problem: after (1) mesh sheet pack needs out abdomen, while needing one group of healthcare givers's hemostasis, another group healthcare givers carries out cutting according to damage location to mesh sheet, increases resource in operating time, waste art; (2) need in art fully to dissociate to liver, many places sew up so that fixing mesh sheet, reduce procedure efficiency, increase art risk; (3) " to cut out in art " and sew application has larger randomness, parcel objectively may be caused " not mate " and pressure inequality, and the whether suitable and fixing restriction whether being really subject to operative doctor experience of cutting, operation relative complex, anthropic factor easily affect the effect of hemostasis by compression.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide one can avoid, minimizing operation wound too free to liver, the hemostasia sleeve playing even Compressive Hemostasis can be continued simultaneously.
In order to realize foregoing invention object, the invention provides a kind of Liver Trauma adding pressure type hemostasis right side cover, main body is body, and body opening part is running-on, and body is made up of the diaphragmatic surface layer of curved surface and the visceral surface layer of plane, and visceral surface layer and diaphragmatic surface layer junction are the edge of body; Body have three position lines and at least one restraint zone fixed along body pars intermedia circumference at least;
Wherein the first position line is made up of a fixed endpoint and free segment, and fixed endpoint is positioned at outside edge;
Second position line and the 3rd position line are made up of pull section and the free segment being positioned at pull section both sides respectively, described pull section end points is positioned at inside edge, and along diaphragmatic surface layer, (tangent line 5 ° ~ 15 ° projecting directions tilted laterally are fixed on body another end points.
Preferably, described diaphragmatic surface layer cross section is arch.
Preferably, described visceral surface layer is incomplete ellipse, and the end points of the first position line is fixed on outside oval rim, and near running-on, its end points forms angle theta with oval minor axis
1be 30 ° ± 5 °, the end points of the pull section of the second position line and the 3rd position line inside oval rim, the pull broken ends of fractured bone point of the second position line and transverse angle theta
2be 30 ° ± 5 °, the end points of the 3rd position line and transverse angle theta
3it is 60 ° ± 5 °.
Described incomplete ellipse, can for be parallel to minor axis cutting after formed be greater than 1/2 ellipse, or along minor axis be less than 45 ° direction cutting after formed be greater than 1/2nd irregular ellipse, for irregular ellipse, with oval major axis for benchmark, the arc length in oval outside is greater than the arc length of inner side.
Described position line is used for fixing body, body is not easily come off from smooth liver surface, when pull section can ensure that free segment is fixed on liver surface along the angle of diaphragmatic surface layer tangent line, the position line that pull section and free segment form can form a plane, when the second position line pull section and diaphragmatic surface layer tangent line angle are within the scope of 5 ° ~ 15 °, 3rd position line pull section and diaphragmatic surface layer tangent line angle are when 5 ° ~ 15 ° of scopes, position line can reach the effect of fixing body, preferably, pull section and the diaphragmatic surface layer tangent line angle of the second position line are 10 °, when the pull section of the 3rd position line and the angle of diaphragmatic surface layer tangent line are 10 °, good effect can be reached.
The pull section of described position line tightens up body for regulating in the length of position line and art, the formation of pull section can be reached by multiple conventional fastening positioning means, the slideway that can intert for position line is such as made at cover volume surrounding, preferably position line is sewn on the diaphragmatic surface layer of body with flat pin, back stitching method of sewing, sewing unit is divided into pull section, and stretching two ends free segment can make the sleeve body portion at pull section place tighten up.
When described position line is more than three, position line can be uniformly distributed according to the position of the second position line, the 3rd position line, and because liver size varies with each individual, position line of following can be selected through doctor more in art, show that comparatively appropriate position line is in order to location.
Preferably, described visceral surface layer has V-notch in running-on side.
Preferably, body is double-decker, and internal layer is hemostasis material layer.
Described pull segment length line length is between 4cm ~ 12cm, can reach the effect regulating location line length, is conducive to coordinating free segment in art, form a fastening body of plane.
When described restraint zone is more than three, remaining restraint zone can be uniformly distributed on body side face in the first restraint zone both sides.Restraint zone is used for hemostasis by compression, and many restraint zones can be conducive to doctor selects compressing restraint zone according to the position that liver is injured.Preferably, restraint zone is three.
Present invention also offers a kind of Liver Trauma adding pressure type hemostasis left side cover, main body is body, and body is made up of the diaphragmatic surface layer of curved surface and the visceral surface layer of plane, and visceral surface layer and diaphragmatic surface layer junction are the edge of body, and body opening part is running-on; Body have two position lines at least and have a restraint zone being fixed on running-on circumference at least;
Wherein the 4th position line is made up of a fixed endpoint and free segment, and fixed endpoint is positioned at outside edge near running-on;
5th position line is made up of pull section and the free segment being positioned at pull section both sides respectively, and described pull section end points is positioned at inside edge, and another end points is fixed on body along diaphragmatic surface layer tangent line 5 ° ~ 15 ° projecting directions tilted to the inside.
Described visceral surface layer is incomplete ellipse, and diaphragmatic surface layer cross section is arch; Take transverse as benchmark, longer sides is outside edge.Preferably, described position line is three, and restraint zone is three, and wherein the 4th position line one end points is fixed on outside oval rim, near running-on, forms angle γ with the minor axis of ellipse
1be 20 ° ± 5 °, the 5th position line pull section one end points is fixed on inside oval rim, with transverse angle γ
2be 60 ° ± 5 °, the 6th position line pull section one end points is fixed on outside oval rim, with oval major axis angle γ
3it is 45 ° ± 5 °; The 5th restraint zone in described restraint zone and the 6th restraint zone are uniform with on body side face respectively.6th position line pull section pull section is outward-dipping along visceral surface layer tangential direction 10 ° ~ 20 °; The 5th restraint zone in described restraint zone and the 6th restraint zone are uniform with in body liver section outer rim respectively.
The each orientation overlapped on the right side of the hemostasis of Liver Trauma adding pressure type defines according to the position of liver, the diaphragmatic surface of the corresponding liver of described body diaphragmatic surface layer, the visceral surface of the corresponding liver of described body visceral surface layer, the running-on of right side cover is towards the left side being defined as body, the running-on of left side cover is towards the right side being defined as body, and about liver, two leaf surface directions are defined as the outside of body.
The described outer lateral lobe of the left side corresponding left liver of cover, the described right side corresponding right liver of cover and left liver inner lobe.
Described circumference is the body periphery formed perpendicular to visceral surface layer.
Described edge is the regular boundary line formed after diaphragmatic surface layer is connected with visceral surface layered suture system.
Overall structure of the present invention is body, and shape is close with liver shape, can fit and cover laminating liver, to the hemostasis of damage of the liver harm, removes the process of cutting out from; Position line on body fixes body by the stitching at the positions such as free segment and liver ligament and the adjustment of pull section to body, the angle of pull section on jacket surface is close to the curvature of liver left and right leaf, make position line in use form a stable tangent plane, make body at ganoid liver surface difficult drop-off; Restraint zone can strengthen the compressing to liver, reaches the effect of firm hemostasis.
Beneficial effect of the present invention has, and avoids, minimizing operation wound too free to liver, can continue to play even Compressive Hemostasis simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of Liver Trauma of the present invention hemostasis right side cover;
Fig. 2 is Liver Trauma of the present invention hemostasis right side cover visceral surface upward view;
Fig. 3 is the left view of Liver Trauma of the present invention hemostasis right side cover;
Diaphragmatic surface structural representation when Fig. 4 is the cover use of Liver Trauma of the present invention hemostasis right side;
Visceral surface structural representation when Fig. 5 is the cover use of Liver Trauma of the present invention hemostasis right side;
Fig. 6 is the structural representation of Liver Trauma of the present invention hemostasis left side cover;
Fig. 7 is Liver Trauma of the present invention hemostasis left side cover visceral surface upward view;
Fig. 8 is the right view of Liver Trauma of the present invention hemostasis left side cover;
Diaphragmatic surface structural representation when Fig. 9 is the cover use of Liver Trauma of the present invention hemostasis left side;
Visceral surface structural representation when Figure 10 is the cover use of Liver Trauma of the present invention hemostasis left side.
Wherein: 1-body 11-diaphragmatic surface layer 12-visceral surface layer
2-running-on 3-edge 4-position line
41-first position line 42-second position line 43-the 3rd position line
44-the 4th position line 45-the 5th position line 46-ground six position lines
5-restraint zone 51-first restraint zone 52-second restraint zone
53-the 3rd restraint zone 54-the 4th restraint zone 55-the 5th restraint zone
56-the 6th restraint zone 6-breach 71-right triangular ligament
72-does deltoid ligament 73-falciform ligament 74-hepatorenal ligament
75-hepatogastric ligament
A-first position line pull section terminal B-the second position line pull section end points
C-the 3rd position line pull section end points D-the 4th position line pull section end points
E-the 5th position line pull section end points F-the 6th position line pull section end points
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail, but enforcement of the present invention is not limited only to this.
Embodiment 1:
As shown in Figures 1 to 3, a kind of Liver Trauma adding pressure type hemostasis right side cover, entirety is body 1, body is made up of the diaphragmatic surface layer 11 of curved surface and the visceral surface layer 12 of plane, diaphragmatic surface layer 12 sews up along the curved edge of visceral surface layer 11 edge 3 forming body, edge 3 is incomplete ellipse, not sewing up side is running-on 2, the cross section of body 1 is arch, roughly the same with liver shape, body can cover right liver and left liver inner lobe, the visceral surface of body has the breach 6 of V-arrangement, when right liver is entangled on right side, Hilar blood vessel and biliary tract can by V-notch 6 through bodies 1.Absorb adding pressure type to do each orientation of overlapping on the right side of trauma hemostasis and define according to the position of liver, the diaphragmatic surface of the described corresponding liver of body diaphragmatic surface layer 11, the visceral surface of the described corresponding liver of body visceral surface layer 12, the running-on 2 of right side cover is towards the left side being defined as body, and about liver, two leaf surface directions are defined as the outside of body.Due to liver hemostasis mainly for be two leaves about liver, the oval rim line 3 both sides length of therefore described visceral surface layer 12 is different, the outside of the corresponding body 1 in longer side, the body sewed up as edge line can wrap up liver lobus dexter, comparatively meets the shape of liver.
Body is double-decker, and skin is Absorbable rod mesh sheet, and mesh sheet is conventional polysaccharide amine-lactic acid complex 910 absorbability mesh sheet, and internal layer is absorbable hemostasia material.Body is fixed with three position lines 4 and a restraint zone 5.Position line 4 is absorbable suture, for the second position line 42, is divided into pull section 421 and free segment 422 two parts, and pull section is sewed up and is fixed on body 1, makes position line 4 tighten up body, and regulates the length of position line; Free segment for position line being fixed on position corresponding to liver, makes body difficult drop-off clinically, reaches the effect of fixing body.As shown in Figure 2, the first position line 41 terminal A is positioned at outside body edge 3, near running-on 2, terminal A to visceral surface layer 12 ellipse minor axis between angle theta
1be 30 °, first position line 41 other end can be freely movable; Second position line 42 pull section one terminal B is positioned at inside edge 3, terminal B to visceral surface layer 12 ellipse major axis between angle theta
2be 30 °, α in Fig. 3
1represent the angle of pull section and diaphragmatic surface tangential direction, pull section is fixed on body 1 along diaphragmatic surface tangential direction 10 ° of projecting directions tilted laterally; 3rd position line 43 pull section one end points C is positioned at inside edge 3, end points C to visceral surface layer 12 ellipse major axis between angle theta
3be 60 °, α in Fig. 3
2represent the angle of pull section and diaphragmatic surface tangential direction, pull section is fixing with on body 1 along diaphragmatic surface tangential direction 10 ° of projecting directions tilted laterally.The angle that pull section is fixed on diaphragmatic surface is close with liver lobus dexter radian, is beneficial to the location of liver, and described pull section is that position line makes one section on body, comparatively fixing compared with free segment.Described fastening line 5 is Absorbable rod strap, and wide is 0.5cm, and restraint zone 5 is fixing along body 1 circumference, and the first restraint zone 51 is positioned at body pars intermedia.Restraint zone 5 is for fastening body, and the gap of adjustment body and liver, is conducive to liver hemostasis.
Embodiment 2:
A kind of Liver Trauma adding pressure type hemostasis right side cover as shown in the figure, all the other are with embodiment 1, and described right side has put three position lines 4 and three restraint zones 5, and wherein the second restraint zone 52 and the 3rd restraint zone 53 are distributed on body 1 side face of the first fastening 51 band both sides.Article three, position line 4 and three restraint zones 5 can reach best hemostasis fixed effect.The pull section of the second position line 42 tilts to fix along visceral surface tangent line 8 ° laterally, and the pull section of the 3rd position line 43 tilts to fix along visceral surface tangent line 8 ° laterally.
Embodiment 3:
A kind of Liver Trauma adding pressure type hemostasis left side cover as shown in the figure, entirety is body 1, body is made up of the diaphragmatic surface layer 11 of curved surface and the visceral surface layer 12 of plane, visceral surface layer 12 is incomplete ellipse, diaphragmatic surface layer 11 sews up along the curved edge of visceral surface layer 12 edge 3 forming body 1, and opening part is running-on 2, and the cross section of body 1 is micro-arch, roughly the same with liver shape, body 1 can cover the outer lateral lobe of left liver.Absorb adding pressure type to do each orientation of overlapping on the left of trauma hemostasis and define according to the position of liver, the diaphragmatic surface of the described corresponding liver of body diaphragmatic surface layer 11, the visceral surface of the described corresponding liver of body visceral surface layer 12, the running-on 2 of left side cover is towards the right side being defined as body 1, and about liver, two leaf surface directions are defined as the outside of body.Due to liver hemostasis mainly for be two leaves about liver, the oval rim line both sides length of therefore described visceral surface layer 12 is different, the outside of the corresponding body 1 in longer side, the body sewed up as edge line can wrap up liver lobus sinister, comparatively meets the shape of liver.
Body is double-decker, and skin is Absorbable rod mesh sheet, and mesh sheet is conventional polysaccharide amine-lactic acid complex 910 absorbability mesh sheet, and internal layer is absorbable hemostasia material.Body is fixed with two position lines 4 and fastening 5 bands.Position line 4 is absorbable suture, is divided into pull section and free segment two parts,
Pull section is fixed on body 1, makes position line 4 can tighten up body 1, and free segment for position line being fixed on position corresponding to liver, making body difficult drop-off, reaching haemostatic effect clinically.The end points of the pull section of position line 4 is distributed in both sides, body edge 3, and as shown in Figure 7, the 4th position line 44 end points D is positioned at outside body edge, near running-on 2, end points D to visceral surface layer 12 ellipse minor axis between angle γ
1be 20 °, the 5th position line 45 pull section one end points E is positioned at inside edge, end points E to visceral surface layer 12 ellipse major axis between angle γ
2be 60 °, the β shown in Fig. 8
1represent the angle of pull section and diaphragmatic surface tangential direction, pull section tilts to fix along diaphragmatic surface tangential direction 10 ° to the inside.The angle that pull section is fixed on diaphragmatic surface is close with liver lobus sinister radian, is beneficial to the location of liver.Described fastening line 5 is Absorbable rod strap, and wide is 0.5cm, and restraint zone 5 is fixing along body 1 circumference, and the 4th tight 54 solid band is positioned at body running-on 2.Restraint zone 5 is for fastening body, and the gap of adjustment body and liver, is conducive to liver hemostasis.
Embodiment 4
A kind of Liver Trauma adding pressure type hemostasis left side cover as shown in the figure, all the other are with embodiment 3, the body of left side cover has three position lines 4 and three restraint zones 6, and wherein the 6th position line 46 pull section one end points F is positioned at outside edge, the angle γ between end points F and the oval major axis of visceral surface layer 12
3be 45 °, as shown in Figure 7, the β in Fig. 8
2represent the tangent line of pull section along diaphragmatic surface and the angle in running-on diaphragmatic surface portion, pull section tilts to fix along diaphragmatic surface tangential direction 10 ° laterally, and the pull section of the 5th position line 45 is along visceral surface tangent line β
110 ° are tilted fixing to the inside.The 5th described restraint zone 55 and the 6th tight 56 solid band are evenly distributed on the body 1 on the right side of the 4th restraint zone 54 respectively.Article three, position line 4 and three restraint zones 5, the haemostatic effect of useful liver.
Embodiment 5:
As Fig. 4, shown in 5, a kind of Liver Trauma adding pressure type hemostasis right side cover, in Clinical practice process, when Liver Trauma position is positioned on the right side of falciform ligament, debridement is carried out to liver wound surface and obvious blood vessel and the biliary tract broken ends of fractured bone are sewed up in ligation, use gauze pressing wound surface, liver right triangular ligament is simply dissociated, gallbladder can be excised if desired, Liver Trauma hemostasis right side cover is used to be inserted in by right liver, breach 6 on visceral surface 12 is in order to dodge Hilar blood vessel and gallbladder road, the free segment of position line 4 is connected with liver ligament respectively, wherein 41 line two ends, the first location connect outside round ligament of liver and hepatorenal ligament 74 respectively, second position line 42 two ends connect falciform ligament 73 mid point and hepatorenal ligament 74 mid point respectively, inside the intersection point that 3rd position line 43 two ends connect falciform ligament 73 and right triangular ligament 71 respectively and hepatorenal ligament 74.According to Liver Trauma position, take out tight first restraint zone 51, second restraint zone 52, the 3rd restraint zone 53, respectively in the ligation of liver outer rim, play contention effect, restraint zone can all ligation, also can ligation wherein 2-3, depending on damaged portion and scope.
Embodiment 6:
As Fig. 9, shown in 10, a kind of Liver Trauma adding pressure type hemostasis left side cover, when Liver Trauma position is positioned on the left of falciform ligament, debridement is carried out to liver wound surface and obvious blood vessel and the biliary tract broken ends of fractured bone are sewed up in ligation, use gauze pressing wound surface, liver left triangular ligament is simply dissociated, left side hemostasia sleeve is used to be inserted in by left liver, by the 4th position line 44, 5th position line 45, 6th position line 46, by the free segment of position line respectively with liver desmorrhaphy, wherein the 4th position line 44 two ends connect inside round ligament of liver and hepatogastric ligament 75 respectively, outside the intersection point that 5th position line 45 connects falciform ligament 73 and left triangular ligament 72 respectively and hepatogastric ligament 75, play the effect of fixing hemostasia sleeve.According to Liver Trauma position, take out tight 4th restraint zone 54, the 5th restraint zone 55, the 6th restraint zone 56, respectively in the ligation of liver outer rim, play contention effect, restraint zone 5 can all ligation, also can ligation 2-3 wherein, depending on damaged portion and scope.
Embodiment 7:
A kind of Liver Trauma pressure type hemostasis device, comprise Liver Trauma adding pressure type hemostasis right side cover, the main body of right side cover is body 1, and body opening part is running-on 2, body 1 is made up of the diaphragmatic surface layer 11 of curved surface and the visceral surface layer 12 of plane, and visceral surface layer 12 and diaphragmatic surface layer 11 junction are the edge 3 of body; Body 1 have three position lines 4 and at least one restraint zone 5 fixed along body 1 pars intermedia circumference at least; Wherein the first position line 41 is made up of a fixed endpoint and free segment, and fixed endpoint is positioned at outside edge 3; Second position line 42 and the 3rd position line 43 are made up of pull section and the free segment being positioned at pull section both sides respectively, described pull section end points is positioned at inside edge 3, and another end points is fixed on body 1 along diaphragmatic surface layer 11 tangent line 15 ° of projecting directions tilted laterally;
Also comprise Liver Trauma adding pressure type hemostasis left side cover, the main body of left side cover is body 1, and body is made up of the diaphragmatic surface layer 11 of curved surface and the visceral surface layer 12 of plane, and visceral surface layer 12 and diaphragmatic surface layer 11 junction are the edge 3 of body, and body opening part is running-on 2; Body 1 have two position lines 4 at least and have a restraint zone 5 being fixed on running-on circumference at least; Wherein the 4th position line 44 is made up of a fixed endpoint and free segment, and fixed endpoint is positioned at outside edge 3 near running-on 2; 5th position line 45 is made up of pull section and the free segment being positioned at pull section both sides respectively, and described pull section end points is positioned at inside edge 3, and another end points is fixed on body 1 along diaphragmatic surface layer 11 tangent line 15 ° of projecting directions tilted to the inside.
When Liver Trauma position is positioned at liver both sides, use right side cover and left side cover simultaneously.
Below the preferred embodiment of the invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modification or replacement under the prerequisite without prejudice to the invention spirit, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (11)
1. a Liver Trauma adding pressure type hemostasis right side cover, it is characterized in that, main body is body (1), body opening part is running-on (2), body (1) is made up of the diaphragmatic surface layer (11) of curved surface and the visceral surface layer (12) of plane, and visceral surface layer (12) and diaphragmatic surface layer (11) junction are the edge (3) of body; Body (1) have three position lines (4) and at least one restraint zone (5) fixed along body (1) pars intermedia circumference at least;
Wherein the first position line (41) is made up of a fixed endpoint and free segment, and fixed endpoint is positioned at outside, edge (3);
Second position line (42) and the 3rd position line (43) are made up of pull section and the free segment being positioned at pull section both sides respectively, described pull section end points is positioned at inner side, edge (3), and another end points is fixed on body (1) along diaphragmatic surface layer (11) tangent line 5 ° ~ 15 ° projecting directions tilted laterally.
2. Liver Trauma adding pressure type hemostasis right side according to claim 1 cover, it is characterized in that, described diaphragmatic surface layer (11) cross section is arch.
3. Liver Trauma adding pressure type hemostasis right side according to claim 1 cover, is characterized in that, described visceral surface layer (12) is incomplete ellipse, described the first position line (41) end points is fixed on oval rim (3) outside, near running-on (2), forms angle theta with the minor axis of ellipse
1it is 30 ° ± 5 °; Pull section one end end points of the second position line (42) and the 3rd position line (43) in oval rim (3) inner side, the end points of the second position line (42) and transverse angle theta
2it is 30 ° ± 5 °; The end points of the 3rd position line (43) and transverse angle theta
3it is 60 ° ± 5 °.
4. Liver Trauma adding pressure type hemostasis right side according to claim 1 cover, is characterized in that described visceral surface layer (12) has V-notch (6) in running-on side.
5. Liver Trauma adding pressure type hemostasis right side according to claim 1 cover, it is characterized in that, described body is double-decker, and internal layer is hemostasis material layer.
6. Liver Trauma adding pressure type hemostasis right side according to claim 1 cover, it is characterized in that, described the second position line (42) is 10 ° along the angle of diaphragmatic surface layer (11) tangent line; The 3rd described position line (43) is 10 ° along the angle of diaphragmatic surface layer (11) tangent line.
7. Liver Trauma adding pressure type hemostasis right side cover according to claims 1 to 6, it is characterized in that, described pull segment length is 8cm ± 4cm.
8. Liver Trauma adding pressure type hemostasis right side cover according to claims 1 to 6, it is characterized in that described restraint zone (5) is three, all the other two restraint zones (5) are positioned at the first restraint zone (51) both sides and are uniformly distributed in body circumference.
9. a Liver Trauma adding pressure type hemostasis left side cover, it is characterized in that, main body is body (1), and body is made up of the diaphragmatic surface layer (11) of curved surface and the visceral surface layer (12) of plane, visceral surface layer (12) and diaphragmatic surface layer (11) junction are the edge (3) of body, and body opening part is running-on (2); Body (1) has two position lines (4) at least and have a restraint zone (5) being fixed on running-on circumference at least;
Wherein the 4th position line (44) is made up of a fixed endpoint and free segment, and fixed endpoint is positioned at outside, edge (3) near running-on (2);
5th position line (45) is made up of pull section and the free segment being positioned at pull section both sides respectively, described pull section end points is positioned at inner side, edge (3), and another end points is fixed on body (1) along diaphragmatic surface layer (11) tangent line 5 ° ~ 15 ° projecting directions tilted to the inside.
10. Liver Trauma adding pressure type hemostasis left side according to claim 9 cover, it is characterized in that, described visceral surface layer (12) is incomplete ellipse, and diaphragmatic surface layer (11) cross section is arch; The 4th described position line (44) end points is fixed on oval rim (3) outside, and near running-on (2), its end points forms angle γ with oval minor axis
1it is 20 ° ± 5 °; 5th position line (45) pull section one end points is fixed on oval rim (3) inner side, its end points and transverse angle γ
2it is 60 ° ± 5 °; 6th position line (46) is divided into pull section and free segment, and pull section one end points is fixed on oval rim (3) outside, its end points and oval major axis angle γ
3be 45 ° ± 5 °, the 6th position line (46) another end points is fixed on body (1) along the projecting direction that diaphragmatic surface layer (11) tangent line 10 ° ~ 20 ° is outward-dipping; The 5th restraint zone (55) in described restraint zone and the 6th restraint zone (56) are distributed in body (11) circumference respectively.
11. 1 kinds of Liver Trauma pressure type hemostasis devices, it is characterized in that, comprise the arbitrary Liver Trauma adding pressure type hemostasis right side cover described in claim 1 ~ 8, also comprise Liver Trauma adding pressure type hemostasis left side cover, the main body of left side cover is body (1), body is made up of the diaphragmatic surface layer (11) of curved surface and the visceral surface layer (12) of plane, and visceral surface layer (12) and diaphragmatic surface layer (11) junction are the edge (3) of body, and body opening part is running-on (2); Body (1) has two position lines (4) at least and have a restraint zone (5) being fixed on running-on circumference at least;
Wherein the 4th position line (44) is made up of a fixed endpoint and free segment, and fixed endpoint is positioned at outside, edge (3) near running-on (2);
5th position line (45) is made up of pull section and the free segment being positioned at pull section both sides respectively, described pull section end points is positioned at inner side, edge (3), and another end points is fixed on body (1) along diaphragmatic surface layer (11) tangent line 5 ° ~ 15 ° projecting directions tilted to the inside.
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| CN201410103703.7A CN104921774B (en) | 2014-03-19 | 2014-03-19 | A kind of Liver Trauma pressure type hemostasis device |
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| CN108420476B (en) * | 2017-02-15 | 2023-09-22 | 李楠 | Liver wound hemostatic stitching instrument |
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| CN104921774B (en) | 2017-06-06 |
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