CN219021333U - Cemented carbide jaw structure of medical operation needle holding forceps - Google Patents

Abstract

The utility model relates to the technical field of medical instruments, and discloses a hard alloy jaw structure of a medical operation needle holder, which comprises a first forceps handle and a second forceps handle, wherein the upper ends of the first forceps handle and the second forceps handle are respectively and fixedly connected with a first forceps ring and a second forceps ring, the upper ends of the first forceps handle and the second forceps handle, which are close to the first forceps ring and the second forceps ring, are respectively and fixedly connected with a main clamping block and an auxiliary clamping block, the opposite surfaces of the main clamping block and the auxiliary clamping block are respectively provided with locking ratchets, and the lower ends of the first forceps handle and the second forceps handle are respectively and fixedly connected with a connecting ring. According to the needle holder, the hard alloy jaw plate made of hard alloy is arranged at the end part of the forceps head of the needle holder, a plurality of anti-slip lines are arranged on the surface of the hard alloy jaw plate, the hard alloy jaw plate made of hard alloy clamps the clamped needle head, meanwhile, the friction force can be increased through the anti-slip lines, the phenomenon of falling off can be avoided even if a needle head is clamped, and the needle holder is more stable in clamping.

Description

Cemented carbide jaw structure of medical operation needle holding forceps

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a hard alloy jaw structure of medical surgical needle forceps.

Background

The needle holder is an instrument used by doctors in the operation, in the past, three tools of forceps, needle holders and scissors are needed when a wound is sutured, and the needle holder only has the function of holding the needle, so that after the wound is sutured and knotted, the scissors are needed to be replaced to cut off the suture, and the needle holder is more practical and inconvenient under the condition that only one doctor performs the operation, and has longer operation time and is also unfavorable for patients.

In order to shorten the time for surgical suturing, when suturing the wound, one hand of a doctor holds two tools, namely a needle holder and scissors, and the other hand holds a pair of forceps to perform suturing, knotting and other operations, and after the suturing is completed, the suture is skillfully cut off by the scissors, so that not only is the inconvenience felt by many doctors, but also a long time is required for exercise, so that the technology can be mastered.

In addition, the existing needle holder is provided with two forceps bodies, when the needle holder is opened, a groove is formed between the diameter-changing step of the inner forceps body and the outer forceps body, when an operator uses the needle holder to tie knots, a suture line is often clamped in the groove at the head of the forceps, the knotting operation is interrupted, the operation and anesthesia time are prolonged due to the fact that the suture line is released, the emotion of the operator is influenced, the suture effect is influenced, postoperative recovery of a patient is not facilitated, and pain of the patient is increased.

The prior patent (publication number: CN 201019790Y) discloses a medical multifunctional needle holder, which consists of a needle holding jaw, a pin shaft, a handle, a finger ring and a lock catch, wherein a shearing blade is additionally arranged between the needle holding jaw and the pin shaft, and the needle holder has the functions of holding a needle and shearing a thread, can be used for holding the needle for suturing and knotting and cutting the suture line when in use, can finish the suturing of a wound without additionally holding the shearing the thread, has attractive and light appearance, is very convenient to use, has short suturing time and high efficiency, and is an indispensable medical multifunctional needle holder in surgical operation. However, the needle holder is simple in structure, not stable enough to clamp the suture needle, easy to fall off, harmful to a patient, and short in service life of the jaw clamping part.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a hard alloy jaw structure of a medical surgical needle holder.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a carbide jaw structure of medical operation needle holder, includes first pincers handle and second pincers handle, first pincers handle and second pincers handle upper end are fixedly connected with first pincers ring and second pincers ring respectively, first pincers handle and second pincers handle upper end are close to first pincers ring and second pincers ring and are connected with main clamping block and vice clamping block respectively, main clamping block and vice clamping block opposite face all are provided with locking ratchet, first pincers handle and second pincers handle lower extreme all fixedly connected with go-between, two rotate through the rotation round pin axle between the go-between and connect, two go-between tip all fixedly connected with binding clip, two binding clip front end all fixedly provided with needle holder, two needle holder upper end all fixedly provided with carbide jaw board;

through above-mentioned technical scheme, set up the carbide jaw board of making with the carbide at the binding clip tip of needle holder, and set up many anti-skidding lines on the surface of carbide jaw board, the syringe needle of centre gripping is pressed from both sides through the carbide jaw board of this carbide preparation, anti-skidding line can increase frictional force simultaneously, even clip the phenomenon that a bit syringe needle also can not appear droing, the centre gripping is more stable, be provided with main clamping piece, vice clamping piece, and set up locking ratchet at the opposite face of main clamping piece and vice clamping piece, can make the needle holder clamp and sew up the needle after, the locking ratchet is mutual to interlock, keep the clamping state to the sewing needle, and still be provided with the arc spacing groove, can carry out spacingly to the inlay motion at the junction of two inlays, prevent the condition of pressing from both sides the line.

Further, a reset spring is fixedly arranged between the middle parts of the first clamp handle and the second clamp handle;

through the technical scheme, the reset spring can enable the first forceps handle and the second forceps handle of the needle forceps to restore to the original states after the needle forceps are used.

Further, anti-skid sleeves are fixedly sleeved outside the first clamp ring and the second clamp ring;

through above-mentioned technical scheme, antiskid cover can prevent that medical personnel from appearing gliding phenomenon when using, and the use is more reliable and stable.

Further, connecting holes are fixedly formed in the middle parts of the two connecting rings, and the rotating pin shaft penetrates through the inside of the two connecting holes;

through the technical scheme, the front ends of the first forceps handle and the second forceps handle are rotationally connected through the rotating pin shaft, so that the clamping function of the needle holding forceps is realized.

Further, the rear ends of the two clamp head backrests are fixedly provided with arc-shaped limiting grooves;

through above-mentioned technical scheme, the arc spacing groove can be in the junction of two inlays spacing to inlay motion to prevent the condition of pressing from both sides the line.

Further, the rear ends of the two clamp head backrests are provided with wire cutting parts;

through above-mentioned technical scheme, can in time subtract the broken thread of seam through cutting line portion, both remain outward appearance, the function of traditional needle holder, have the function of scissors in the concealed again.

Further, a plurality of anti-skid lines are arranged on the surfaces of the two hard alloy jaw plates;

through above-mentioned technical scheme, the friction force can be increased to anti-skidding line, even clip the phenomenon that the syringe needle also can not appear droing, and is more stable to the centre gripping of end of a thread.

Further, the two hard alloy jaw plates are made of hard alloy materials;

according to the technical scheme, the strength of the hard alloy is higher, so that the service life of the jaw of the needle holder is longer.

The utility model has the following beneficial effects:

1. according to the hard alloy jaw structure of the medical needle holder, the hard alloy jaw plate made of hard alloy is arranged at the end part of the forceps head of the needle holder, a plurality of anti-slip lines are arranged on the surface of the hard alloy jaw plate, the clamped needle is clamped by the hard alloy jaw plate made of hard alloy, meanwhile, friction force can be increased due to the anti-slip lines, the phenomenon that the needle falls off even if a point of the needle is clamped is avoided, and the needle holder is more stable in clamping.

2. According to the hard alloy jaw structure of the medical surgical needle holder, the thread cutting part is arranged at the back end of the end part of the forceps head, so that a doctor can timely cut off the stitched thread by the thread cutting part, the appearance and the functions of the traditional needle holder are reserved, the functions of the scissors are built in, the structure is ingenious, the use is convenient, repeated actions can be avoided in the operation, the surgical suture efficiency of the doctor is greatly improved, the operation time is shortened, the pain of a patient is reduced, the investment of manpower and material resources is reduced, and the use cost is further reduced.

3. According to the hard alloy jaw structure of the medical operation needle holder, the reset spring, the main clamping block and the auxiliary clamping block are arranged, and the locking ratchets are arranged on the opposite surfaces of the main clamping block and the auxiliary clamping block, so that after the needle holder clamps a suture needle, the locking ratchets are mutually meshed to keep the clamping state of the suture needle, and the arc-shaped limiting groove is further arranged, so that the inlay movement can be limited at the joint of the two inlays, the condition of thread clamping is prevented, and the medical operation needle holder is safer and more reliable to use.

4. The hard alloy jaw structure of the medical surgical needle holder provided by the utility model has the advantages that the jaw structure is simple, exquisite and attractive, convenient and practical, the service life of the jaw of the needle holder is longer due to the fact that the strength of the hard alloy is higher, the use comfort and the clamping precision are improved, and the working difficulty of medical workers is reduced.

Drawings

FIG. 1 is a front view of a cemented carbide jaw structure of a medical surgical needle holder according to the present utility model;

fig. 2 is a schematic view of a first jaw handle of a cemented carbide jaw structure of a medical surgical needle-holding forceps according to the present utility model;

fig. 3 is a schematic diagram of a clip connection structure of a cemented carbide jaw structure of a medical surgical needle holder according to the present utility model;

fig. 4 is a schematic diagram of a clamp head structure of a hard alloy jaw structure of a medical surgical needle-holding clamp according to the present utility model;

fig. 5 is a schematic view of a structure of a holding and clamping part of a cemented carbide jaw structure of a medical surgical needle holder according to the present utility model.

Legend description:

1. a first clamp handle; 2. a second clamp handle; 3. a return spring; 4. a first clamp ring; 5. a second clamp ring; 6. an anti-skid sleeve; 7. a main locking block; 8. locking the ratchet; 9. a secondary locking block; 10. a connecting ring; 11. a connection hole; 12. rotating the pin shaft; 13. a clamp head; 14. an arc-shaped limit groove; 15. a thread cutting part; 16. a needle holding portion; 17. cemented carbide jaw plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, one embodiment provided by the present utility model is:

the hard alloy jaw structure of the medical surgical needle holding forceps comprises a first forceps handle 1 and a second forceps handle 2, wherein the upper ends of the first forceps handle 1 and the second forceps handle 2 are respectively and fixedly connected with a first forceps ring 4 and a second forceps ring 5, the upper ends of the first forceps handle 1 and the second forceps handle 2, which are close to the first forceps ring 4 and the second forceps ring 5, are respectively and fixedly connected with a main clamping block 7 and a secondary clamping block 9, the opposite surfaces of the main clamping block 7 and the secondary clamping block 9 are respectively provided with locking ratchets 8, the lower ends of the first forceps handle 1 and the second forceps handle 2 are respectively and fixedly connected with connecting rings 10, the two connecting rings 10 are rotationally connected through a rotating pin shaft 12, the end parts of the two connecting rings 10 are respectively and fixedly connected with forceps heads 13, the front ends of the two forceps heads 13 are respectively and fixedly provided with a needle holding clamping part 16, and the upper ends of the two needle holding parts 16 are respectively and fixedly provided with hard alloy jaw plates 17;

the end part of the forceps head 13 of the needle holding forceps is provided with the hard alloy jaw plate 17 made of hard alloy, the surface of the hard alloy jaw plate 17 is provided with a plurality of anti-slip lines, the hard alloy jaw plate 17 made of hard alloy clamps a clamped needle head, meanwhile, the anti-slip lines can increase friction force, even if a needle head is clamped, the phenomenon of falling off can not occur, the clamping is more stable, the main clamping block 7 and the auxiliary clamping block 9 are arranged, the opposite surfaces of the main clamping block 7 and the auxiliary clamping block 9 are provided with locking ratchets 8, after the needle holding forceps clamp a suture needle, the locking ratchets 8 are mutually meshed, the clamping state of the suture needle is kept, and the arc-shaped limiting grooves 14 are further arranged, so that the inlay motion can be limited at the joint of two inlays, and the condition of clamping the thread is prevented.

The fixed reset spring 3 that is provided with between first pincers handle 1 and the second pincers handle 2 middle part, reset spring 3 can make the first pincers handle 1 of needle holder and second pincers handle 2 resume original state after the use, first pincers ring 4 and the equal fixed cover of second pincers ring 5 outside are equipped with antiskid cover 6, antiskid cover 6 can prevent that medical personnel from appearing gliding phenomenon in the use, the use is more reliable and stable, connecting hole 11 has all been offered to two go-between 10 middle parts, the rotation round pin axle 12 runs through two connecting hole 11 inside, rotate the front end of connecting first pincers handle 1 and second pincers handle 2 through rotation round pin axle 12, thereby realize the centre gripping function of needle holder, two binding clip 13 are all fixed to be provided with arc-shaped limiting groove 14, arc-shaped limiting groove 14 can be spacing to the inlay motion in the junction of two inlays, and the condition of clamp line is prevented to appear, two binding clip 13 all are provided with shearing portion 15 by the rear end, both sides have been improved the carbide that has cut line portion 15 can have cut the line head to make, the carbide that has cut line head that has had, even more has been difficult to make the carbide, the carbide that the surface has more has been held the hard alloy, even more has more stable appearance, the wear the hard alloy has been used, even more, the anti-alloy has more wear the surface, the clamp 17 has more stable clamp line, even if the surface has more wear-resistant plate has more had the surface, and more wear-resistant plate.

Working principle: when the hard alloy jaw structure of the medical operation needle holding forceps is used, fingers are sleeved into the first forceps ring 4 and the second forceps ring 5, then the main clamping blocks 7 on the first forceps handle 1 and the second forceps handle 2 are separated, the first forceps handle 1 and the second forceps handle 2 can rotate mutually, then the two forceps heads 13 clamp a suture needle and buckle the main clamping blocks 7 at the tail of the handles, the suture can be carried out, when the suture is completed, the two main clamping blocks 7 are loosened, the thread ends are cut off by using the thread cutting part 15, the hard alloy jaw plates 17 made of hard alloy are arranged at the end parts of the forceps heads 13 of the needle holding forceps, a plurality of anti-slip lines are arranged on the surfaces of the hard alloy jaw plates 17, the clamped needle is clamped by the hard alloy jaw plates 17 made of the hard alloy, meanwhile, the friction force can be increased, the phenomenon that the needle is not fallen off even if the needle is clamped is carried out, and the clamping is more stable.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. The utility model provides a carbide jaw structure of medical operation needle holder, includes first pincers handle (1) and second pincers handle (2), its characterized in that: the novel clamping device is characterized in that the upper ends of the first clamp handle (1) and the second clamp handle (2) are fixedly connected with a first clamp ring (4) and a second clamp ring (5) respectively, the upper ends of the first clamp handle (1) and the second clamp handle (2) are close to the first clamp ring (4) and the second clamp ring (5) respectively and are connected with a main clamping block (7) and an auxiliary clamping block (9), opposite faces of the main clamping block (7) and the auxiliary clamping block (9) are respectively provided with a locking ratchet (8), the lower ends of the first clamp handle (1) and the second clamp handle (2) are fixedly connected with connecting rings (10), two connecting rings (10) are rotatably connected through rotating pins (12), the end parts of the connecting rings (10) are fixedly connected with clamp heads (13), the front ends of the clamp heads (13) are fixedly provided with needle holding clamping parts (16), and the upper ends of the needle holding clamping parts (16) are fixedly provided with hard alloy jaw plates (17).

2. The cemented carbide jaw structure of medical surgical needle forceps according to claim 1, wherein: a reset spring (3) is fixedly arranged between the middle parts of the first clamp handle (1) and the second clamp handle (2).

3. The cemented carbide jaw structure of medical surgical needle forceps according to claim 1, wherein: the outside of the first clamp ring (4) and the second clamp ring (5) are fixedly sleeved with an anti-skid sleeve (6).

4. The cemented carbide jaw structure of medical surgical needle forceps according to claim 1, wherein: connecting holes (11) are fixedly formed in the middle of the two connecting rings (10), and the rotating pin shafts (12) penetrate through the inside of the two connecting holes (11).

5. The cemented carbide jaw structure of medical surgical needle forceps according to claim 1, wherein: arc-shaped limiting grooves (14) are fixedly formed in the rear ends of the two clamp heads (13).

6. The cemented carbide jaw structure of medical surgical needle forceps according to claim 1, wherein: the rear ends of the two clamp heads (13) are respectively provided with a wire cutting part (15).

7. The cemented carbide jaw structure of medical surgical needle forceps according to claim 1, wherein: the surfaces of the two hard alloy jaw plates (17) are provided with a plurality of anti-skid lines.

8. The cemented carbide jaw structure of medical surgical needle forceps according to claim 1, wherein: both the hard alloy jaw plates (17) are made of hard alloy materials.

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