CN205054321U - Needle forcep is sewed up to dura mater at bottom of intranasal sella turcica - Google Patents
Needle forcep is sewed up to dura mater at bottom of intranasal sella turcica Download PDFInfo
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- CN205054321U CN205054321U CN201520807030.3U CN201520807030U CN205054321U CN 205054321 U CN205054321 U CN 205054321U CN 201520807030 U CN201520807030 U CN 201520807030U CN 205054321 U CN205054321 U CN 205054321U
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- fixed caliper
- head
- dura mater
- binding clip
- connecting rod
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Abstract
The utility model belongs to the field of medical equipment, concretely relates to needle forcep is sewed up to dura mater at bottom of intranasal sella turcica, including fixed caliper, activity binding clip, connecting rod and activity pincers handle, fixed caliper's head is upwards bent and is had contained angle beta rather than the mobile jib, the appearance and the size of activity binding clip are the same with fixed caliper's head to be formed by connecting through cheek axle and fixed caliper, connecting rod riveting respectively, in the recess of the boss embedding fixed caliper's of activity pincers handle afterbody mobile jib afterbody to rivet with connecting rod, fixed caliper's mobile jib respectively through two other cheek axles and be formed by connecting, fixed caliper's head all has the alloy empiecement with the inboard contact surface of activity binding clip, and the alloy empiecement has lip head tooth, and lip head tooth adopts the reticulation tooth. Through the utility model discloses not only can be firmly reliable centre gripping sewing needle, it is little to the damage of sewing needle face in addition, and then lighten the opposite joint and set up the fish tail of knitting jointly, can effectively prevent intracranial infection's emergence simultaneously, reduced surgical cost, lightened patient economic burden.
Description
Technical field
This utility model relates to dura mater at the bottom of a kind of per nasal sella turcica and sews up needle forceps, belongs to medical instruments field.
Background technology
" per nasal sphenoid sinus modus operandi " is not only applicable to excise the space occupying lesion (as pituitary adenoma) in sphenoid sinus, in saddle at present, and for expand on saddle or space occupying lesion on saddle.After these pathological changes of excision, need the repairing carried out because of dura mater at the bottom of destroyed saddle of performing the operation, to reach physiologico-anatomic recurrence, make treatment be tending towards perfect; In addition, in operation, at the bottom of Chang Yinwei saddle there is cerebrospinal leak in dura mater breakage, at this moment needs the repairing of dura mater leak at the bottom of definite saddle.Space occupying lesion resection operation in current per nasal sella turcica, when there is the repairing of cerebrospinal leak in dura mater breakage at the bottom of the repairing carrying out dura mater anatomical reduction at the bottom of saddle and saddle, normal employing artificial material (artificial dura mater) carries out filling up reparation, but artificial material is expensive, add the financial burden of patient and national medical insurance, and the reliability that artificial material is repaired is poor, there is the risk of recurrence.And another kind of repairing method reliably carries out the direct suture repair of dura mater at the bottom of saddle by needle forceps clamping 5 ~ 60 sutures, but due at the bottom of the approach to saddle of single nostril, the degree of depth is large, working place is little, and existing needle forceps effectively cannot to go deep at the bottom of saddle and in narrow and small working place, to carry out dura mater suture operation at the bottom of saddle.
Utility model content
According to above deficiency of the prior art, the technical problems to be solved in the utility model is: provide that a kind of structure is simple, gripping performance is good, easy and safe to operate and can reduce surgery cost, alleviate dura mater at the bottom of the per nasal sella turcica of patient economy burden and sew up needle forceps.
Dura mater at the bottom of per nasal sella turcica described in the utility model sews up needle forceps, comprises fixed caliper, movable binding clip, connecting rod and activity clamp handle; The head of fixed caliper is upwards curved and there is angle β with its mobile jib; Profile and the size of movable binding clip are identical with the head of fixed caliper, and form respectively by cheek axle and fixed caliper, connecting rod riveting; The boss of adjustable clamp handle tail embeds in the groove of the mobile jib afterbody of fixed caliper, and is formed with the mobile jib riveting of connecting rod, fixed caliper respectively by other two cheek axles; The head of fixed caliper and the inside contact surface of movable binding clip all have alloy empiecement, and alloy empiecement has lip head tooth, and lip head tooth adopts reticulate pattern tooth.
It is simple that dura mater at the bottom of this per nasal sella turcica sews up needle forceps structure, easy to operate, can solid and reliable clamping 5 ~ 60 sewing needles by the reticulate pattern tooth on alloy empiecement, gripping performance is good, and the flank of tooth is injury suture pin not easily, use as the suture repair at the bottom of the saddle in per nasal sella turcica during space occupying lesion excision when dura mater stitching and cerebrospinal leak, the artificial material of application of expensive (artificial dura mater) is avoided to repair, safer, effect is more definite, the generation of effective prevention intracranial infection, and surgery cost is low, alleviates the financial burden of patient; Because alloy empiecement hardness is high, wearability large, therefore, it is possible to guarantee the service life of this needle forceps.
Preferably, the tooth pitch D of reticulate pattern tooth is 0.2 ~ 0.3mm, has a fine grain, little to the damage sewing up dial, and then during suture tissue, alleviates the scuffing to tissue.
Preferably, in the head of movable binding clip and fixed caliper, the width W of distance 1mm position is foremost 0.8 ~ 1.5mm, and thickness H is 1.6 ~ 2mm; The length L of alloy empiecement is 5 ~ 6mm; The angle β that the head of fixed caliper and mobile jib exist is the head camber of fixed caliper, and β is 0 ° ~ 60 °; Angle α between movable binding clip and the head of fixed caliper is 25 ° ~ 30 °.The head configuration fine structure of movable binding clip and fixed caliper, takies operative space little, not easily blocks surgical field of view, be convenient to doctor and carry out operation fast, effectively.
Except alloy empiecement, fixed caliper, movable binding clip, connecting rod, activity clamp handle and cheek axle are stainless steel material, and preferred hardness is the stainless steel material of 40 ~ 45HRC, ensure that material has good intensity and toughness, and good decay resistance.
Except above-mentioned points, the outer surface of whole needle forceps (comprising fixed caliper, movable binding clip, connecting rod and activity clamp handle) can carry out the sub-optical processing of bead sandblasting, thus make product surface not reflective, the visual fatigue to doctor during to alleviate microscope menisectomy.But needle forceps should be not more than 0.8 μm through the roughness Ra of the outer surface of the sub-optical processing of bead sandblasting, thus makes product surface smooth, and blood not easily sticks to equipment surfaces, cleaning of being more convenient for.
The beneficial effect that this utility model is compared with prior art had is:
1, simple and reasonable for structure, easy to operate;
2, the alloy empiecement on the head of fixed caliper and movable binding clip has the reticulate pattern tooth that tooth pitch is 0.2 ~ 0.3mm, and not only clip suture pin is solid and reliable, and little to the damage sewing up dial, and then during suture tissue, alleviates the scuffing to tissue;
3, the head of fixed caliper and movable binding clip contour structures meticulous, take operative space little, not easily block surgical field of view, be convenient to doctor and fast, effectively carry out hands art;
4, overall needle forceps smooth surface, blood not easily adheres to, and corrosion resistance is strong, is convenient to clean and maintenance.
5, space occupying lesion resection operation is overcome in current per nasal sella turcica when carrying out dura mater at the bottom of saddle and repairing by this utility model, use artificial material carry out filling up repair expensive, fill up the problems such as reliability is poor, easy recurrence, the artificial material of application of expensive (artificial dura mater) is avoided to repair, sew up safety and reliability, effect is more definite, the generation of effective prevention intracranial infection, and surgery cost is low, alleviate the financial burden of patient, fill up the blank of such modus operandi domestic simultaneously, also can use as suture repair during cerebrospinal leak.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial enlarged drawing at I position in Fig. 1;
Fig. 3 is the structural representation of the head of fixed caliper;
Fig. 4 is the A direction view of Fig. 3;
Fig. 5 is the structural representation of movable binding clip;
Fig. 6 is the right view of Fig. 5.
In figure: 1, movable binding clip; 2, connecting rod; 3, boss; 4, activity clamp handle; 5, fixed caliper; 6, mobile jib; 7, head; 8, alloy empiecement.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
As shown in figs. 1 to 6, at the bottom of this per nasal sella turcica, dura mater stitching needle forceps comprises fixed caliper 5, movable binding clip 1, connecting rod 2 and activity clamp handle 4; The head 7 of fixed caliper 5 is upwards curved and there is angle β with its mobile jib 6; Profile and the size of movable binding clip 1 are identical with the head 7 of fixed caliper 5, and form respectively by cheek axle and fixed caliper 5, connecting rod 2 riveting; The boss 3 of activity clamp handle 4 afterbody embeds in the groove of mobile jib 6 afterbody of fixed caliper 5, and is formed with mobile jib 6 riveting of connecting rod 2, fixed caliper 5 respectively by other two cheek axles; The head 7 of fixed caliper 5 all has alloy empiecement 8 with the inside contact surface of movable binding clip 1, and alloy empiecement 8 has lip head tooth, and lip head tooth adopts reticulate pattern tooth.
It is simple that dura mater at the bottom of this per nasal sella turcica sews up needle forceps structure, easy to operate, can solid and reliable clamping 5 ~ 60 sewing needles by the reticulate pattern tooth on alloy empiecement 8, gripping performance is good, and the flank of tooth is injury suture pin not easily, use as the suture repair at the bottom of the saddle in per nasal sella turcica during space occupying lesion excision when dura mater stitching and cerebrospinal leak, the artificial material of application of expensive (artificial dura mater) is avoided to repair, safer, effect is more definite, the generation of effective prevention intracranial infection, and surgery cost is low, alleviates the financial burden of patient; Because alloy empiecement 8 hardness is high, wearability large, therefore, it is possible to guarantee the service life of this needle forceps.
In the present embodiment:
The tooth pitch D of reticulate pattern tooth is 0.2 ~ 0.3mm, has a fine grain, little to the damage sewing up dial, and then during suture tissue, alleviates the scuffing to tissue.
In the head 7 of movable binding clip 1 and fixed caliper 5, the width W of distance 1mm position is foremost 0.8 ~ 1.5mm, and thickness H is 1.6 ~ 2mm; The length L of alloy empiecement 8 is 5 ~ 6mm; The angle β that the head 7 of fixed caliper 5 and mobile jib 6 exist is head 7 camber of fixed caliper 5, and β is 0 ° ~ 60 °; Angle α between movable binding clip 1 and the head 7 of fixed caliper 5 is 25 ° ~ 30 °.In tradition per nasal sella turcica, space occupying lesion resection operation working place is little, and can reduce by above-mentioned meticulous and rational structural parameters the working place that apparatus takies, open surgical field of view, is convenient to doctor and carries out operation more quickly and accurately.
Except alloy empiecement 8, fixed caliper 5, movable binding clip 1, connecting rod 2, activity clamp handle 4 and cheek axle all adopt hardness to be the stainless steel material of 40 ~ 45HRC, ensure that material has good intensity and toughness, and good decay resistance.
Except above-mentioned points, the outer surface of whole needle forceps (comprising fixed caliper 5, movable binding clip 1, connecting rod 2 and activity clamp handle 4) can carry out the sub-optical processing of bead sandblasting, thus make product surface not reflective, the visual fatigue to doctor during to alleviate microscope menisectomy.But needle forceps should be not more than 0.8 μm through the roughness Ra of the outer surface of the sub-optical processing of bead sandblasting, thus makes product surface smooth, and blood not easily sticks to equipment surfaces, cleaning of being more convenient for.
The foregoing is only preferred embodiment of the present utility model; its object is to person skilled in the art can be understood content of the present utility model and be implemented; protection domain of the present utility model can not be limited with this; all within spirit of the present utility model and principle; any equivalence change of doing or modification are revised, are equal to replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. dura mater at the bottom of per nasal sella turcica sews up a needle forceps, it is characterized in that: comprise fixed caliper (5), movable binding clip (1), connecting rod (2) and activity clamp handle (4); The head (7) of fixed caliper (5) is upwards curved and there is angle β with its mobile jib (6); Profile and the size of movable binding clip (1) are identical with the head (7) of fixed caliper (5), and form respectively by cheek axle and fixed caliper (5), connecting rod (2) riveting; The boss (3) of activity clamp handle (4) afterbody embeds in the groove of mobile jib (6) afterbody of fixed caliper (5), and is formed with mobile jib (6) riveting of connecting rod (2), fixed caliper (5) respectively by other two cheek axles; The head (7) of fixed caliper (5) and the inside contact surface of movable binding clip (1) all have alloy empiecement (8), and alloy empiecement (8) has lip head tooth, and lip head tooth adopts reticulate pattern tooth.
2. dura mater at the bottom of per nasal sella turcica according to claim 1 sews up needle forceps, it is characterized in that: the tooth pitch D of described reticulate pattern tooth is 0.2 ~ 0.3mm.
3. dura mater at the bottom of per nasal sella turcica according to claim 1 and 2 sews up needle forceps, it is characterized in that: in described movable binding clip (1) and the head (7) of fixed caliper (5), the width W of distance 1mm position is foremost 0.8 ~ 1.5mm, and thickness H is 1.6 ~ 2mm; The length L of alloy empiecement (8) is 5 ~ 6mm.
4. dura mater at the bottom of per nasal sella turcica according to claim 1 and 2 sews up needle forceps, it is characterized in that: described β is 0 ° ~ 60 °.
5. dura mater at the bottom of per nasal sella turcica according to claim 1 and 2 sews up needle forceps, it is characterized in that: the angle α between described movable binding clip (1) and the head (7) of fixed caliper (5) is 25 ° ~ 30 °.
6. dura mater at the bottom of per nasal sella turcica according to claim 1 and 2 sews up needle forceps, it is characterized in that: except alloy empiecement (8), fixed caliper (5), movable binding clip (1), connecting rod (2), activity clamp handle (4) and cheek axle are stainless steel material.
7. dura mater at the bottom of per nasal sella turcica according to claim 6 sews up needle forceps, it is characterized in that: described stainless steel material hardness is 40 ~ 45HRC.
8. dura mater at the bottom of per nasal sella turcica according to claim 1 and 2 sews up needle forceps, it is characterized in that: the roughness Ra of the outer surface of described fixed caliper (5), movable binding clip (1), connecting rod (2), activity clamp handle (4) is not more than 0.8 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807030.3U CN205054321U (en) | 2015-10-16 | 2015-10-16 | Needle forcep is sewed up to dura mater at bottom of intranasal sella turcica |
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| CN201520807030.3U CN205054321U (en) | 2015-10-16 | 2015-10-16 | Needle forcep is sewed up to dura mater at bottom of intranasal sella turcica |
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| CN205054321U true CN205054321U (en) | 2016-03-02 |
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| CN201520807030.3U Active CN205054321U (en) | 2015-10-16 | 2015-10-16 | Needle forcep is sewed up to dura mater at bottom of intranasal sella turcica |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113796928A (en) * | 2021-07-15 | 2021-12-17 | 中国人民解放军总医院第六医学中心 | Rotation type intranasal aneurysm presss from both sides pincers |
| CN113876379A (en) * | 2021-10-27 | 2022-01-04 | 王新友 | Surgical linear cutting anastomat |
| CN114642464A (en) * | 2022-03-15 | 2022-06-21 | 青岛智兴医疗器械有限公司 | Saddle-bottom dura mater stitching instrument and using method thereof |
-
2015
- 2015-10-16 CN CN201520807030.3U patent/CN205054321U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113796928A (en) * | 2021-07-15 | 2021-12-17 | 中国人民解放军总医院第六医学中心 | Rotation type intranasal aneurysm presss from both sides pincers |
| CN113876379A (en) * | 2021-10-27 | 2022-01-04 | 王新友 | Surgical linear cutting anastomat |
| CN114642464A (en) * | 2022-03-15 | 2022-06-21 | 青岛智兴医疗器械有限公司 | Saddle-bottom dura mater stitching instrument and using method thereof |
| CN114642464B (en) * | 2022-03-15 | 2022-11-08 | 青岛智兴医疗器械有限公司 | Supinal dura mater stitching instrument and using method thereof |
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