CN203914992U - Hold pin fixing head - Google Patents
Hold pin fixing head Download PDFInfo
- Publication number
- CN203914992U CN203914992U CN201420346197.XU CN201420346197U CN203914992U CN 203914992 U CN203914992 U CN 203914992U CN 201420346197 U CN201420346197 U CN 201420346197U CN 203914992 U CN203914992 U CN 203914992U
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- CN
- China
- Prior art keywords
- hollow cavity
- rear portion
- fixing head
- pin fixing
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
This utility model discloses a kind of pin fixing head of holding, comprise body, described body is the hollow cavity structure of front opening, end closure or opening after described body, after corresponding body during end closure, on the sidewall of body rear end, amputation partial sidewall forms sutural perforation, and stitching thread is connected with the sewing needle rear end in being enclosed within the hollow cavity of body through perforation; During corresponding body open rearward end, stitching thread is connected with the sewing needle rear end in being enclosed within the hollow cavity of body through body open rearward end.Hold two kinds of threading modes of pin fixing head, respectively have two or more fairlead, can, according to concrete surgical environments, select different modes.Body is by coordinating with miscellaneous part, is applicable to carrying, the fixing sewing needle of multiple diameter size, and during stitching, by advancing row knotting before body front end, applicable multiple peritoneoscope Minimally Invasive Surgery carries out semi-automatic sewing operation, can reduce operating time.
Description
Technical field
This utility model relates to medical instruments field, is specifically related to a kind of pin fixing head of holding.
Background technology
In surgical operation, sewing up knotting is one of its most basic operation.Traditional stitching knotting process is through needing the wound tissue of sewing up and sewing up with nipper folder pin.Along with the development of micro-wound surgical operation is used, because naked eyes can not directly see, staff cannot stretch in narrow and small and dark lacuna at all, need use endoscope to coordinate and press from both sides pin, try to make a match and tie a knot with longer clamp during stitching, make inconvenient operation, need the time longer.For solving problems, people have invented all types of stitching knotting devices.As the Chinese utility model < < chamber mirror of publication number CN102670267A, sew up knot tying machine > >, its sewing needle is fixing by tight pin nut; The Chinese utility model patent < < peritoneoscope infantile hernia that is also CN202665601U just like Granted publication number is repaired stiching instrument > >, and puncture needle inserts in needle stand through spring.Etc. these sew up knotting devices, be all widely used among specific area Minimally Invasive Surgery, but also have its limitation.As left metal object etc. after some instrumental tie.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of by coordinating with miscellaneous part, be applicable to carrying, fixedly sewing needle, the applicable multiple peritoneoscope Minimally Invasive Surgery of multiple diameter size carry out semi-automatic sewing operation hold pin fixing head.
For solving, hold carrying, the fixed function of pin fixing head and the technical problem easily of trying to make a match, the technical solution adopted in the utility model is as follows:
Hold pin fixing head, comprise body, described body is the hollow cavity structure of front opening, described body outline is by being the stairstepping dwindling after forward direction, end closure or opening after described body, after corresponding body, during end closure, on the sidewall of body rear end, amputation partly forms sutural perforation, and stitching thread is connected with the sewing needle rear end in being enclosed within the hollow cavity of body through perforation; During corresponding body open rearward end, stitching thread is connected with the sewing needle rear end in being enclosed within the hollow cavity of body through body open rearward end.During use, originally hold pin fixing head and can be enclosed within outside fine duct, also can be enclosed within fine duct.
During operation, swaged needle with hold that pin fixing head and other apparatus unit construction are good laggard enters territory, Minimally Invasive Surgery chamber, hold pin fixing head and coordinate with sewing needle, can guarantee that sewing needle enters the direction of wound tissue accurate and stablize; Holding pin fixing head has carrying sewing needle through the intensity of suture tissue, guarantees that sewing needle is smoothly through after the wound tissue that needs to sew up, and sewing needle is more convenient easily from hold pin fixing head, takes out in assurance, drives sutural smooth and easy stitching that penetrate; Finally, before dependence body, push away the effect that the suture knots of tying tight is tied a knot.
When body rear end is opening shape, molding is easy, connects stitching thread convenient.
Such scheme is preferred, after corresponding body, during end closure, described rear body is cylindrical structure, and its one side sidewall of end closure from body starts along axle amputation, the end that goes ahead extends to body middle part, is formed for carrying the D font sealing face of sewing needle along remainder after axle amputation.
Such scheme is preferred, after corresponding body during end closure, the both sides sidewall that end closure is corresponding from body starts along axle amputation, and the end that goes ahead extends to body middle part, and amputation remainder sidewall cross section is for axisymmetric for carrying two font sealing bottoms of sewing needle with body hollow cavity.
When body rear end is sealing shape, sewing needle immediate roof, in sealing base wall, does not form card pin resistance, is easy to by pin gripping out.
Such scheme is preferred, during corresponding body open rearward end, the hollow cavity of described body front middle part is cylindrical structure, the hollow cavity of itself and rear body coaxially extends, and the diameter of the hollow cavity of body front middle part is more than or equal to the maximum linear distance of point-to-point transmission in the hollow cavity of rear body.
Such scheme is preferred, and the cross section of the hollow cavity of described rear body is circular, and its diameter is less than the diameter of the hollow cavity of body front middle part.
Such scheme is preferred, and the cross section of the hollow cavity of described rear body is polygon, and in the hollow cavity cross section of rear body, the maximum linear of point-to-point transmission distance is equal to or less than the diameter of the hollow cavity of body front middle part.
Such scheme is preferred, and the hollow cavity inwall of described rear body is along being circumferentially with a plurality of projections of extending along axis direction, and its cross section is flute profile; In the hollow cavity cross section of rear body, the maximum linear of point-to-point transmission distance equals the diameter of the hollow cavity of body front middle part.
Such scheme is preferred, and the cross section of the hollow cavity of described rear body is D font, and in the hollow cavity of rear body, the maximum linear of point-to-point transmission distance equals the diameter of the hollow cavity of body front middle part.
Such scheme is preferred, and the cross section of the hollow cavity of described rear body is two fonts, and the distance in the hollow cavity cross section of rear body between parallel both sides is less than the diameter of the hollow cavity of body front middle part.
Such scheme is preferred, and during corresponding body open rearward end, the hollow cavity of described body front middle part is cylindrical structural, and it communicates with the hollow cavity of rear body; The cross section of the hollow cavity of described rear body is cylindrical structure, ellipsoidal structure or multiedge cylinder structure, and parallel the staggering of axis of its axis and the hollow cavity of body portion, two axle bases are not less than 0.1mm.
Compared with prior art, there is the cooperation of body, when peritoneoscope, thoracoscope Minimally Invasive Surgery are sewed up, stitching realizes semi-automation, it is enough to make that swaged needle puncture direction is firm, carrying penetrates strength, tries to make a match that it is convenient to sew up, especially extensive use in the stitching after biliary tract cuts; Originally hold pin fixing head and have two kinds of threading modes, the one, hold end closure after pin fixing head, stitching thread from the perforation of holding pin fixing head sidewall through being connected with sewing needle rear end, the 2nd, hold pin fixing head open rearward end, stitching thread passes and is connected with sewing needle rear end from open rearward end, and these two kinds of modes respectively have two or more fairlead, can, according to concrete surgical environments, select different modes.
Accompanying drawing explanation
Fig. 1 is a kind of embodiment of end closure after body of the present utility model;
Fig. 2 is the another kind of embodiment of end closure after body of the present utility model;
Fig. 3 is the structural representation of body open rearward end of the present utility model;
Fig. 4 is the first embodiment in Fig. 3;
Fig. 5 is the second embodiment in Fig. 3;
Fig. 6 is the third embodiment in Fig. 3;
Fig. 7 is the 4th kind of embodiment in Fig. 3;
Fig. 8 is the 5th kind of embodiment in Fig. 3;
Fig. 9 is the 6th kind of embodiment in Fig. 3.
Number in the figure is: 1, body; 2, perforation; 3, open rearward end.
The specific embodiment
This utility model is a kind of pin fixing head of holding, comprise body 1, described body 1 is the hollow cavity structure of front opening, rear end closure or opening, hollow cavity be used for planting sewing needle and definite sewing needle direction, rear end can seal, can opening, embody two kinds of threading modes and two kinds of carrying sewing needle modes.On described body 1 rear end sidewall, amputation partial sidewall forms sutural perforation 2, and sewing needle rear end is enclosed within the hollow cavity of body 1, and stitching thread is connected with sewing needle rear end through perforation 2.Bottom seal face width degree and bottom thickness size, different according to the length of the diameter of sewing needle and pin, corresponding certain size scope.Originally hold pin fixing head and can be enclosed within outside fine duct, also can be enclosed within fine duct.
As shown in Figure 1, 2, be the rear end closure of body 1, form bottom seal, described body 1 front and rear part hollow cavity is cylindrical structure, by sealing bottom shape, is divided into two kinds of two fonts (Fig. 1) and D fonts (Fig. 2).Two font sealings are easy to lead-in wire, but bearing capacity is slightly low; The bearing capacity of D font sealing is large and make the stability of sewing needle better.On body 1 rear end sidewall, amputation partial sidewall forms stitching thread perforation 2, and stitching thread is connected with the sewing needle rear end being nested with in the hollow cavity of body 1 through perforation 2; Sewing needle afterbody directly offsets with sealing bottom, and with three the stable sewing needles of making a concerted effort together with the hollow cavity of front opening, carrying sewing needle in sealing bottom penetrates forward and needs the wound of sewing up to organize needed strength.
As shown in Figure 2, described body 1 rear portion is cylindrical structure, its one side sidewall of end closure from body 1 starts along axle amputation, the end that goes ahead extends, amputation partial sidewall should be not more than body 1 rear end length along the axial length of circle, and after axle amputation part, remainder forms D font sealing face, sealing face D word width is cylinder 1/2-3/4 diameter range, and bottom thickness is not less than 0.3mm.The plane outspread drawing of described amputation part is square or rectangular, forms D font perforation 2.
As shown in Figure 1, from its both sides sidewall that end closure is corresponding from body 1, start along axle amputation, the end that goes ahead extends, amputation partial sidewall should be not more than body 1 rear end length along the axial length of circle, described cylindrical amputation remainder sidewall cross section is and the axisymmetric two font sealing bottoms of front and rear part cylinder, its width omits and equates with cylinder diameter of bore, and size range is being not less than 0.4mm, is not more than cylinder diameter of bore; Bottom thickness size is not less than 0.3mm according to bearing function and stable need to should be.The plane outspread drawing of described amputation part is square or rectangular, forms through wires hole.
As shown in Fig. 3-9, a kind of pin fixing head of holding of this utility model, comprise body 1, described body 1 is the hollow cavity structure of the equal opening in front and back ends two ends, stitching thread through body 1 open rearward end 3 directly be enclosed within the hollow cavity of body 1 in sewing needle rear end be connected.Described body 1, the hollow cavity of front middle part is cylindrical structural, the hollow cavity at itself and body 1 rear portion coaxially extends, be less than in the circle of body 1 anterior hollow diameters, form as hollow cavities such as two fonts, polygon, flute profile, D fonts; Or the axle of rear portion hollow cavity is for to stagger with the axle of anterior hollow cavity.Make body 1 rear portion have outstanding entity to stop under sewing needle and wear, carrying sewing needle is through the strength of suture tissue.There is again hollow cavity, be convenient to stitching thread and pass.Open rearward end 3 sizes are less than front opening size, also be less than sewing needle size, form ledge, after making sewing needle be placed in the hollow cavity of front opening, sewing needle afterbody is hindered in front end and joint portion, rear end to be located, open rearward end ledge carrying sewing needle penetrates forward and needs the wound of sewing up to organize needed strength, and three the stable sewing needles of making a concerted effort together, sew up through wound tissue.During stitching, by boosting the effect of knotting before body 1 front end.
As shown in Figure 4, body 1 open rearward end 3, the hollow cavity of described body 1 front middle part is cylindrical structure, and the hollow cavity at itself and body 1 rear portion coaxially extends, and the diameter of the hollow cavity of body 1 front middle part is more than or equal to the maximum linear distance of point-to-point transmission in the hollow cavity at body 1 rear portion.
As shown in Figure 5, during corresponding body 1 open rearward end 3, the hollow cavity of described body 1 front middle part is cylindrical structure, the hollow cavity at itself and body 1 rear portion coaxially extends, and the diameter of the hollow cavity of body 1 front middle part is more than or equal to the maximum linear distance of point-to-point transmission in the hollow cavity at body 1 rear portion.As preferred version, the hollow cavity at described body 1 rear portion is positive six prisms (also can be polygon prism more than triangular prism), its cross section be its axis of hexagon (also can be polygon) on the bearing of trend of the axis of the hollow cavity of body 1 front middle part, in the hollow cavity cross section at body 1 rear portion, the maximum linear of point-to-point transmission distance is equal to or less than the diameter of the hollow cavity of body 1 front middle part.
As shown in Figure 6, the hollow cavity inwall at described body 1 rear portion is along being circumferentially with a plurality of projections of extending along axis direction, and its cross section is flute profile; In the hollow cavity cross section at body 1 rear portion, the maximum linear of point-to-point transmission distance equals the diameter of the hollow cavity of body 1 front middle part.As preferred version, the hollow cavity inwall at described body 1 rear portion is along being circumferentially with 4 (can also be more than 3) projection along axis direction extension, and its cross section is flute profile; The hollow cavity inwall at described body 1 rear portion is along being circumferentially with a plurality of projections of extending along axis direction, and its cross section is flute profile; In the hollow cavity cross section at body 1 rear portion, the maximum linear of point-to-point transmission distance equals the diameter of the hollow cavity of body 1 front middle part.The width of groove should be greater than 0.5mm, and groove extension elongation should be greater than 0.3mm.
As shown in Figure 7, the hollow cavity at described body 1 rear portion for its cross section be the column structure of D font, in the hollow cavity at body 1 rear portion, the maximum linear of point-to-point transmission distance equals the diameter of the hollow cavity of body 1 front middle part; As preferred version, the distance of D word is between the 3/4-1/4 of diameter of hollow cavity of body 1 front middle part.
As shown in Figure 8, the hollow cavity at described body 1 rear portion is two fonts, and its hollow cavity cross section is parallel two fonts, and its axis is on the bearing of trend of the axis of the hollow cavity of body 1 front middle part.Distance in the hollow cavity cross section at body 1 rear portion between parallel both sides is less than the diameter of the hollow cavity of body 1 front middle part.
As shown in Figure 9, during corresponding body 1 open rearward end 3, the hollow cavity of described body 1 front middle part is cylindrical structural, and it communicates with the hollow cavity at body 1 rear portion; The cross section of the hollow cavity at described body 1 rear portion both can be cylindrical structure, also can be the column structure of oval or many prismatics, and parallel the staggering of axis of its axis and the hollow cavity of body 1 front portion, two axle bases are not less than 0.1mm.
For convenient, body 1 cover is inserted in fine duct, and can be firmly and fine duct entangle firm, described body 1 outline serve as reasons before the little stairstepping of receding, and originally hold pin fixing head and can be enclosed within outside fine duct, also can be enclosed within fine duct.
Claims (10)
1. hold pin fixing head, comprise body (1), the hollow cavity structure that described body (1) is front opening, it is characterized in that: described body (1) outline is by being the stairstepping dwindling after forward direction, end closure or opening after described body (1), during the rear end closure of corresponding body (1), on the sidewall of body (1) rear end, amputation partly forms sutural perforation (2), and stitching thread is connected with the sewing needle rear end in being enclosed within the hollow cavity of body (1) through perforation (2); During corresponding body (1) open rearward end (3), stitching thread is connected with the sewing needle rear end in being enclosed within the hollow cavity of body (1) through body (1) open rearward end (3).
2. the pin fixing head of holding according to claim 1, it is characterized in that: during the rear end closure of corresponding body (1), described body (1) rear portion is cylindrical structure, one side sidewall of its end closure from body (1) starts along axle amputation, the end that goes ahead extends to body (1) middle part, is formed for carrying the D font sealing face of sewing needle along remainder after axle amputation.
3. the pin fixing head of holding according to claim 1, it is characterized in that: during the rear end closure of corresponding body (1), the both sides sidewall that end closure is corresponding from body (1) starts along axle amputation, the end that goes ahead extends to body (1) middle part, and amputation remainder sidewall cross section is for axisymmetric for carrying two font sealing bottoms of sewing needle with body (1) hollow cavity.
4. the pin fixing head of holding according to claim 1, it is characterized in that: during corresponding body (1) open rearward end (3), the hollow cavity of described body (1) front middle part is cylindrical structure, the hollow cavity at itself and body (1) rear portion coaxially extends, and the diameter of the hollow cavity of body (1) front middle part is more than or equal to the maximum linear distance of point-to-point transmission in the hollow cavity at body (1) rear portion.
5. the pin fixing head of holding according to claim 4, is characterized in that: the cross section of the hollow cavity at described body (1) rear portion is for circular, and its diameter is less than the diameter of the hollow cavity of body (1) front middle part.
6. the pin fixing head of holding according to claim 4, it is characterized in that: the cross section of the hollow cavity at described body (1) rear portion is polygon, in the hollow cavity cross section at body (1) rear portion, the maximum linear of point-to-point transmission distance is equal to or less than the diameter of the hollow cavity of body (1) front middle part.
7. the pin fixing head of holding according to claim 4, is characterized in that: the hollow cavity inwall at described body (1) rear portion is along being circumferentially with a plurality of projections of extending along axis direction, and its cross section is flute profile; In the hollow cavity cross section at body (1) rear portion, the maximum linear of point-to-point transmission distance equals the diameter of the hollow cavity of body (1) front middle part.
8. the pin fixing head of holding according to claim 4, it is characterized in that: the cross section of the hollow cavity at described body (1) rear portion is D font, in the hollow cavity at body (1) rear portion, the maximum linear of point-to-point transmission distance equals the diameter of the hollow cavity of body (1) front middle part.
9. the pin fixing head of holding according to claim 4, it is characterized in that: the cross section of the hollow cavity at described body (1) rear portion is two fonts, the distance in the hollow cavity cross section at body (1) rear portion between parallel both sides is less than the diameter of the hollow cavity of body (1) front middle part.
10. the pin fixing head of holding according to claim 1, it is characterized in that: during corresponding body (1) open rearward end (3), the hollow cavity of described body (1) front middle part is cylindrical structural, and it communicates with the hollow cavity at body (1) rear portion; The cross section of the hollow cavity at described body (1) rear portion is cylindrical structure, ellipsoidal structure or multiedge cylinder structure, and parallel the staggering of axis of the hollow cavity that its axis is anterior with body (1), two axle bases are not less than 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420346197.XU CN203914992U (en) | 2014-06-26 | 2014-06-26 | Hold pin fixing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420346197.XU CN203914992U (en) | 2014-06-26 | 2014-06-26 | Hold pin fixing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203914992U true CN203914992U (en) | 2014-11-05 |
Family
ID=51810887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420346197.XU Expired - Fee Related CN203914992U (en) | 2014-06-26 | 2014-06-26 | Hold pin fixing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203914992U (en) |
-
2014
- 2014-06-26 CN CN201420346197.XU patent/CN203914992U/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: 20141105 Termination date: 20170626 |