CN203724151U - Band and line suture needle for in-vivo wound suture - Google Patents
Band and line suture needle for in-vivo wound suture Download PDFInfo
- Publication number
- CN203724151U CN203724151U CN201420009175.4U CN201420009175U CN203724151U CN 203724151 U CN203724151 U CN 203724151U CN 201420009175 U CN201420009175 U CN 201420009175U CN 203724151 U CN203724151 U CN 203724151U
- Authority
- CN
- China
- Prior art keywords
- needle
- suture
- line
- coating
- wound suture
- 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 - Lifetime
Links
- 238000001727 in vivo Methods 0.000 title abstract 4
- 229920000954 Polyglycolide Polymers 0.000 claims abstract description 12
- 239000004633 polyglycolic acid Substances 0.000 claims abstract description 12
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 6
- 239000004626 polylactic acid Substances 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims description 23
- 238000000576 coating method Methods 0.000 claims description 23
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 12
- 238000009958 sewing Methods 0.000 claims description 11
- 239000004310 lactic acid Substances 0.000 claims description 6
- 235000014655 lactic acid Nutrition 0.000 claims description 6
- 238000009954 braiding Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 3
- 235000013539 calcium stearate Nutrition 0.000 claims description 3
- 239000008116 calcium stearate Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 19
- 206010052428 Wound Diseases 0.000 abstract description 14
- 210000001519 tissue Anatomy 0.000 abstract description 11
- 208000014674 injury Diseases 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 238000001356 surgical procedure Methods 0.000 abstract description 4
- 230000003872 anastomosis Effects 0.000 abstract description 3
- 210000003195 fascia Anatomy 0.000 abstract description 3
- 239000000835 fiber Substances 0.000 abstract description 3
- 238000002682 general surgery Methods 0.000 abstract description 3
- 210000000936 intestine Anatomy 0.000 abstract description 3
- 210000004185 liver Anatomy 0.000 abstract description 3
- 210000000952 spleen Anatomy 0.000 abstract description 3
- 210000002784 stomach Anatomy 0.000 abstract description 3
- 230000000295 complement effect Effects 0.000 abstract 1
- 230000000638 stimulation Effects 0.000 abstract 1
- 230000001988 toxicity Effects 0.000 abstract 1
- 231100000419 toxicity Toxicity 0.000 abstract 1
- 230000008733 trauma Effects 0.000 abstract 1
- 238000009941 weaving Methods 0.000 abstract 1
- 230000006378 damage Effects 0.000 description 6
- 239000004576 sand Substances 0.000 description 4
- 238000002316 cosmetic surgery Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical group O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000000680 avirulence Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000029663 wound healing Effects 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
- Materials For Medical Uses (AREA)
Abstract
The utility model discloses a band and line suture needle for in-vivo wound suture. The band and line suture needle is composed of a medal suture needle and a suture line. The medical suture needle is shaped like a bent arc as a whole and comprises a cylindrical needle body and a conical needle point arranged at the front end of the needle body. A threading hole is formed in the tail end of the needle body, and the head of the suture line penetrates into the threading hole and is connected with the needle body through a pressing mold in a compressed mode. The suture line is formed by rotationally weaving a plurality of strands of polylactic acid threads and polyglycolic acid threads. Through the needle point in the shape, not only is the strength of the needle point effectively improved, puncture is facilitated better, and caused surface trauma is small. The suture line woven by two complementary materials has good biocompatibility, causes no obvious tissue reaction to the human body and is high in strength, moderate in extending length, free of toxicity and stimulation and good in flexibility and degradability, after an operation, the suture line does not need to be taken out, and the band and line suture needle for in-vivo wound suture is particularly suitable for in-vivo wound suture such as liver, spleen and intestine and stomach anastomosis, gynaecology and obstetrics and fascia suture and operation suture for the orthopaedics, the ophthalmology, the fiber surgery department and the general surgery department.
Description
Technical field
This utility model relates to operating theater instruments, more particularly, relates to wound suture swaged needle in a kind of body.
Background technology
Swaged needle is made up of medical suture needle and stitching thread two parts.And medical suture needle generally can be divided into these two kinds of pin types of angular pin and round needle according to needle body shape.Angular pin is with respect to round needle, and more greatly, corresponding damage is also large for its puncture force.But in operation in the use with angular pin type sewing needle, what doctor more focused on is feel, if suffered resistance is little while piercing through, clinical manifestation is easier skin puncture tissue.
At present, traditional angular pin type sewing needle as shown in Figure 1 and Figure 2, comprises the needle point 2 of needle body 1 and needle body 1 front end, it is the isosceles triangle of 75 ° that the longitudinal section of its needle point 2 is drift angle, and two side external surfaces that are positioned at its isosceles place are sand face, another outer surface is bright finish, i.e. two cutting edges.In actual use, this type sewing needle needle point 2 intensity, the effect that punctures and cause surface injury etc. several aspect, also exist some defects, await improving further.
And traditional operation suture thread 3 is non-Absorption Line, use such stitching thread after surgery in sewing process, the wound causing is larger, also needs to take out stitches after wound healing, causes secondary insult, causes recovery time also longer.Therefore, particularly in some bodies, the wound suture of the operation such as plastic surgery, need that a kind of intensity is high, pliability and degradability good, without obvious tissue reaction, can absorb degraded to human body, the absorbable suture that need not take out stitches after operation.
Utility model content
For the above-mentioned shortcoming existing in prior art, the purpose of this utility model is to provide wound suture swaged needle in a kind of body, can improve needle point intensity, and line can absorb, and is applicable to the stitching that wound in body etc. is performed the operation.
For achieving the above object, this utility model adopts following technical scheme:
Wound suture swaged needle in this body, formed by medical suture needle and stitching thread two parts, sewing needle entirety is curved arc shape, comprise cylindrical needle body and the taper needle point of being located at needle body front end, needle body end is provided with through wires hole, and stitching thread head penetrates in through wires hole and by pressing mold and compresses and be connected with needle body; Described stitching thread is formed by multiply polylactic acid silk thread and polyglycolic acid silk thread rotation braiding, and this suture diameters is 0.070～0.699mm, and surperficial being provided with makes the coating that line body is level and smooth, be easy to penetrate tissue.
It is the equilateral triangle of 60 ° that the longitudinal section of described needle point is each drift angle, and three side external surfaces of needle point are equipped with disilicide layer.
Described sewing needle entirety adopts 3Cr13 steel wire to make.
Described coating comprises polyglycolic acid lactic acid coating.
Described coating also comprises the calcium stearate coating of being located at outside polyglycolic acid lactic acid coating.
Described coating is for white or dye purple.
In technique scheme, in body of the present utility model, wound suture is made up of medical suture needle and stitching thread two parts with swaged needle, sewing needle entirety is curved arc shape, comprise cylindrical needle body and the taper needle point of being located at needle body front end, needle body end is provided with through wires hole, and stitching thread head penetrates in through wires hole and by pressing mold and compresses and be connected with needle body; Described stitching thread is formed by multiply polylactic acid silk thread and polyglycolic acid silk thread rotation braiding, and this suture diameters is 0.070～0.699mm, and surperficial being provided with makes the coating that line body is level and smooth, be easy to penetrate tissue.By the needle point of this shape, not only effectively improve its needle point intensity and be more conducive to puncture, and caused surface injury less.And the stitching thread that adopts two kinds of mutually auxiliary materials to work out, there is good biocompatibility, high without obvious tissue reaction, intensity to human body, to extend moderate, avirulence, non-stimulated, pliability and degradability good, after operation, need not take out stitches, be specially adapted to the stitching of wound in body, for example liver, spleen, the intestines and stomach anastomosis operation, department of obstetrics and gynecology, fascia are sewed up, and the operation stitching such as plastic surgery, ophthalmology, fiber surgery and department of general surgery.
Brief description of the drawings
Fig. 1 is the structural representation of the swaged needle of prior art;
Fig. 2 is the cross section enlarged drawing along the A-A line in Fig. 1;
Fig. 3 is the structural representation of swaged needle of the present utility model;
Fig. 4 is the cross section enlarged drawing along the B-B line in Fig. 3;
Fig. 5 is sutural schematic cross-section of the present utility model.
Detailed description of the invention
Further illustrate the technical solution of the utility model below in conjunction with drawings and Examples.
Refer to shown in Fig. 3, Fig. 4, swaged needle of the present utility model is made up of medical suture needle and stitching thread 2 two parts, described sewing needle entirety is curved arc shape, adopt 3Cr13 steel wire to make, the taper needle point 2 that it comprises cylindrical needle body 1 and is located at needle body front end, it is the equilateral triangle of 60 ° that the longitudinal section of described needle point 2 is each drift angle, and three side external surfaces of needle point 2 are equipped with disilicide layer, that is to say, this needle point 2 has triple-edge, is three equilateral angular pin types.And can greatly improve its hardness and smooth surface by disilicide layer is set, and be more conducive to penetrate, smooth and easy.
In theory, compare with existing two cutting edges, triple-edge of the present utility model is a many cutting edge, has increased puncture coefficient, more easily faster when suture tissue.And because needle point 2 intensity are also to weigh an important indicator of medical suture needle performance, needle point 2, after the afterburning speed of regulation adds load top pressure, must not have crotch conventionally.And by the length contrast of the L1 in comparison diagram 1, Fig. 2 and L2, can find, three equilateral angular pin types at 60 ° of angles of the present utility model, its cutting edge is shorter in length than the two facing sand angular pin types at existing 75 ° of angles, so in needle point 2 strength characters, more aobvious advantage.Long-pending by the longitudinal section in contrast Fig. 1, Fig. 2 equally, due to L2≤L1, so we can find that the long-pending S1 in longitudinal section of three equilateral angular pin types at 60 ° of angles is that S2's amassed in the longitudinal section that is less than the two facing sand angular pin types at 75 ° of angles.And in Fig. 1, folded base, two 52.5 ° of angles is much larger than two 60 ° of limits that angle is folded in Fig. 2, and the surface injury that therefore it causes is to be also far longer than 60 ° of angular pin types of the present utility model.In addition, by being provided with disilicide layer, its intensity and hardness have also exceeded intensity and the hardness of 60 ° of angular pin types that only adopt sand face.
And being provided with through wires hole 4 at needle body 1 end, the head of stitching thread 3 penetrates in through wires hole 4 and by pressing mold and compresses and be connected with needle body 1.This stitching thread 2 is to rotate braiding by multiply polylactic acid silk thread 5 and polyglycolic acid silk thread 6 by braider to form.Through repeatedly calculating and repetition test, these stitching thread 2 diameters are designed to 0.070～0.699mm, can meet the demand of different operations to wire diameter.
And described stitching thread 2 surfaces are provided with and make the coating that line body is level and smooth, be easy to penetrate tissue.This coating comprises polyglycolic acid lactic acid coating, certainly, also can comprise the calcium stearate coating of being located at outside polyglycolic acid lactic acid coating.Whole coating levels is :≤5w/w%.Can make stitching thread in the time sewing up by this coating, easier penetrate tissue, the friction, the reduction that reduce tissue are infected and injury.
In addition, the coating of described stitching thread 2 is for white or dye purple, has eye-catching and certain aesthetics.Its stain is No. 2, D & C purple, chemical name is 1-Hydroxy-4-p-tuluinoantraquinone, and molecular formula is C21H15NO3, and the trade mark is 60725/Solvent Violent13, dyeing course is polymerization staining, and stain content is :≤2w/w%.
In sum, swaged needle of the present utility model possesses following advantage:
1, adopt three equilateral angular pin types and disilicide layer structure, needle point strength character is good, and the surface injury causing is little.
2, line pin adopts pressing mold to compress connection, be connected firmly, and transitions smooth.
3, polylactic acid silk thread 3 and polyglycolic acid silk thread 4 these bi-materials have been adopted, can play preferably mutually auxiliary effect, there is good biocompatibility, high without obvious tissue reaction, intensity to human body, extend moderate, avirulence, non-stimulated, pliability and degradability good (catabolite is carbon dioxide and water).
4, after operation, need not take out stitches, be specially adapted to the stitching of wound in body, for example liver, spleen, the intestines and stomach anastomosis operation, the stitching of the operation such as department of obstetrics and gynecology, fascia stitching and plastic surgery, ophthalmology, fiber surgery and department of general surgery.
Prove through clinical trial, adopting the effective wound supporting time of above-mentioned stitching thread 2 is 28 days, in the time of 14 days, and the tension force of residue 75%, in the time of 21 days, the tension force of residue 50%, in the time of 35 days, tension force disappears, material soak time 56～70 days.
Those of ordinary skill in the art will be appreciated that, above embodiment is only for this utility model is described, and be not used as restriction of the present utility model, as long as within the scope of connotation of the present utility model, variation, modification to the above embodiment all will drop within the scope of claims of the present utility model.
Claims (6)
1. a wound suture swaged needle in body, is made up of medical suture needle and stitching thread two parts, it is characterized in that:
Described sewing needle entirety is curved arc shape, comprises cylindrical needle body and the taper needle point of being located at needle body front end, and needle body end is provided with through wires hole, and stitching thread head penetrates in through wires hole and by pressing mold and compresses and be connected with needle body; Described stitching thread is formed by multiply polylactic acid silk thread and polyglycolic acid silk thread rotation braiding, and this suture diameters is 0.070～0.699mm, and surperficial being provided with makes the coating that line body is level and smooth, be easy to penetrate tissue.
2. wound suture swaged needle in body as claimed in claim 1, is characterized in that:
It is the equilateral triangle of 60 ° that the longitudinal section of described needle point is each drift angle, and three side external surfaces of needle point are equipped with disilicide layer.
3. wound suture swaged needle in body as claimed in claim 1, is characterized in that:
Described sewing needle entirety adopts 3Cr13 steel wire to make.
4. wound suture swaged needle in body as claimed in claim 1, is characterized in that:
Described coating comprises polyglycolic acid lactic acid coating.
5. wound suture swaged needle in body as claimed in claim 4, is characterized in that:
Described coating also comprises the calcium stearate coating of being located at outside polyglycolic acid lactic acid coating.
6. wound suture swaged needle in body as claimed in claim 1, is characterized in that:
Described coating is for white or dye purple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420009175.4U CN203724151U (en) | 2014-01-08 | 2014-01-08 | Band and line suture needle for in-vivo wound suture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420009175.4U CN203724151U (en) | 2014-01-08 | 2014-01-08 | Band and line suture needle for in-vivo wound suture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203724151U true CN203724151U (en) | 2014-07-23 |
Family
ID=51194263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420009175.4U Expired - Lifetime CN203724151U (en) | 2014-01-08 | 2014-01-08 | Band and line suture needle for in-vivo wound suture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203724151U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496482A (en) * | 2016-01-25 | 2016-04-20 | 北京天助畅运医疗技术股份有限公司 | Absorbable screw and soft tissue fixing device containing same |
| CN110368186A (en) * | 2019-08-15 | 2019-10-25 | 上海市同济医院 | A kind of guidance needle and its external member for intraocularly suturing |
| CN108420476B (en) * | 2017-02-15 | 2023-09-22 | 李楠 | Liver wound hemostatic stitching instrument |
-
2014
- 2014-01-08 CN CN201420009175.4U patent/CN203724151U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496482A (en) * | 2016-01-25 | 2016-04-20 | 北京天助畅运医疗技术股份有限公司 | Absorbable screw and soft tissue fixing device containing same |
| CN108420476B (en) * | 2017-02-15 | 2023-09-22 | 李楠 | Liver wound hemostatic stitching instrument |
| CN110368186A (en) * | 2019-08-15 | 2019-10-25 | 上海市同济医院 | A kind of guidance needle and its external member for intraocularly suturing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |