CN219070465U

CN219070465U - Needle holder for minimally invasive surgery

Info

Publication number: CN219070465U
Application number: CN202223434284.4U
Authority: CN
Inventors: 李晓峰
Original assignee: Laiyang People's Hospital
Current assignee: Laiyang People's Hospital
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-26
Anticipated expiration: 2032-12-21

Abstract

The utility model relates to the field of medical instruments and discloses a minimally invasive surgery needle holder which comprises a needle holder body, wherein a serration plate is movably connected to one side of the needle holder body, a mounting structure is movably connected to the inside of the needle holder body at one end of the serration plate, a first handheld rod is movably connected to the upper end of the other side of the needle holder body, a second handheld rod is movably connected to the lower end of the other side of the needle holder body, an adjusting structure is movably connected to one side of the first handheld rod and one side of the second handheld rod, and a thrust block is fixedly connected to one end of the other side of the first handheld rod and one end of the second handheld rod. This hand ware is held in minimally invasive surgery pulls first handheld pole and second handheld pole respectively for after the sliding rod slides to suitable position department in the fixed slot inside, the elasticity of reuse adjusting spring makes the regulating block remove the card to suitable regulation downthehole portion, realizes spacing fixed after first handheld pole and the sliding of second handheld pole, and then realizes the regulation of its overall length, improves its suitability.

Description

Needle holder for minimally invasive surgery

Technical Field

The utility model relates to the field of medical instruments, in particular to a minimally invasive surgery needle holder.

Background

With the development of the medical industry, various medical instruments are increased, wherein the minimally invasive surgery needle holder belongs to one of the medical instruments, is made of medical stainless steel materials, is widely applied to surgery and microsurgery, and is a medical instrument commonly used in minimally invasive surgery.

In the chinese utility model patent: the utility model provides an authorized bulletin number CN 208096780U's a minimally invasive surgery needle holder for medical treatment, includes centre gripping main part, connecting rod and amplification device, centre gripping main part fixed connection is at the end of connecting rod, the one end rotation of connecting rod is pegged graft there is rotatory round pin body, the first grip block of end fixedly connected with of connecting rod and second grip block, the second grip block rotates the below of installing at first grip block, amplification device is fixed to be cup jointed on first grip block, fixed mounting has the grip ring in the centre gripping main part, the one end fixed mounting of grip ring has the connecting screw post, the internal thread fixed mounting of connecting screw post has the cutting knife, fixed mounting has the sleeve in the amplification device, the one side end screw thread grafting of sleeve has the fastening knob, telescopic opposite side fixed mounting has the magnifying glass. The utility model is convenient for clamping the surgical needle in the use process, and can amplify the needed suture wound in the use process, thereby facilitating the suture.

The following problems exist in the prior art:

1. the length of the needle holder for minimally invasive surgery in the prior art is inconvenient to adjust, the length of the needle holder is fixed, and the length of the needle holder cannot be adjusted according to actual minimally invasive surgery conditions or the use habits of different doctors, so that the needle holder is more limited in use and inconvenient to use.

2. In the prior art, the minimally invasive surgery needle holder is inconvenient to disassemble, assemble and replace, the sawtooth plate is arranged on one side of the clamping part of the minimally invasive surgery needle holder generally, so that the surgical needle is clamped conveniently, abrasion can occur after the minimally invasive surgery needle holder is used for a long time, the clamping stability is further affected, the minimally invasive surgery needle holder is replaced integrally, other parts of the minimally invasive surgery needle holder are intact, and the maintenance cost is increased due to direct replacement.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a minimally invasive surgery needle holder which has the advantages of convenient length adjustment, convenient disassembly and replacement and the like, and solves the problems in the background art.

(II) technical scheme

In order to achieve the purposes of being convenient for length adjustment and convenient for disassembly, assembly and replacement, the utility model provides the following technical scheme: the utility model provides a minimally invasive surgery needle holder, includes the needle holder body, one side swing joint of needle holder body has the serration board, the inside swing joint of needle holder body of serration board one end has mounting structure, the upper end swing joint of needle holder body opposite side has first handheld pole, the lower extreme swing joint of needle holder body opposite side has the handheld pole of second, one side swing joint of first handheld pole and the handheld pole of second has adjusting structure, the one end fixedly connected with thrust block of the handheld pole opposite side of first handheld pole and second.

The utility model provides a needle holder, including the fixed slot, the fixed slot is seted up in the inside one side of first handheld pole and second handheld pole, one side fixedly connected with regulating box of first handheld pole and second handheld pole, regulating box one end swing joint has the regulation pole that extends to the regulating box inside, the one end fixedly connected with regulating block of regulating pole, the regulation pole surface winding of regulating block one end has adjusting spring, needle holder body one side fixedly connected with extends to the inside slide bar of fixed slot, the regulation hole has been seted up to the one end of slide bar, pulls first handheld pole and second handheld pole respectively for the slide bar slides to suitable position department in the fixed slot after, and the elasticity of reuse adjusting spring makes regulating block removal card to suitable regulation hole inside, realizes spacing fixed after first handheld pole and the second handheld pole slides, and then realizes the regulation of its whole length.

Preferably, a sliding structure is formed between the sliding rod and the inside of the fixing groove, and a welding integrated structure is formed between one side of the sliding rod and one side of the needle holder body, so that the length adjustment between the needle holder body and the first and second handhold rods is smoother.

Preferably, a clamping structure is formed between the adjusting block and the inside of the adjusting hole, and the height of the adjusting block is smaller than the depth of the inside of the adjusting box, so that the length between the needle holder body and the first and second handheld rods can be conveniently adjusted.

Preferably, the mounting structure includes the sliding tray, the sliding tray is offered in the inside one side of needle holder body, and one side swing joint of needle holder body has fixing bolt, serration board one end fixedly connected with and the inside matched with sliding tray of sliding tray, and the inside one end both sides of sliding tray have been offered with fixing bolt matched with bolt hole, through the screw-thread fit of fixing bolt and bolt hole inside to utilize the slip between sliding tray and the sliding tray inside, be convenient for carry out dismouting change to serration board, avoid its wearing and tearing to lead to the maintenance cost that whole change brought.

Preferably, the side view of the sliding plate and the sliding groove is in an inverted convex shape, and a sliding structure is formed between the sliding plate and the inside of the sliding groove, so that the stability of preliminary sliding installation of the sawtooth plate is improved.

Preferably, a thread matching structure is formed between the fixing bolt and the inside of the bolt hole, and the number of the bolt hole and the number of the fixing bolt are two respectively, so that the limiting firmness of the sliding plate sliding into the sliding groove is ensured.

Preferably, one side of the inner walls of the first handheld rod and the second handheld rod is fixedly connected with a flexible ring, the shape of the flexible ring is O-shaped, and comfort level of fingers of a doctor and one side inside the first handheld rod and the second handheld rod is improved.

Preferably, one end of the thrust block is fixedly connected with a rubber sheet, the rubber sheet is in a shape of a round cake, and flexible contact between the thrust blocks is realized by arranging the round cake type rubber sheet.

Advantageous effects

Compared with the prior art, the utility model provides a minimally invasive surgery needle holder, which has the following beneficial effects:

1. this needle ware is held in minimally invasive surgery drives the regulating block through the regulation structure who sets up and removes to breaking away from completely with the regulation hole is inside, later pulls first handheld pole and second handheld pole to suitable position department respectively after, the elasticity of reuse adjusting spring for the regulating block removes the card to suitable regulation hole inside, realizes that first handheld pole and second handheld pole are spacing fixed after sliding, and then realizes the regulation of its whole length, satisfies the use habit of different operation condition or doctor, improves its suitability, avoids the inconvenient regulation of length to lead to using the limitation great, thereby has solved the inconvenient problem of adjusting of length.

2. This minimally invasive surgery needle holder through the mounting structure who sets up, through the screw-thread fit of fixing bolt and bolt hole inside to utilize the slip between sliding plate and the sliding tray inside, be convenient for carry out dismouting change to the serration board, can guarantee the stable centre gripping to the surgical needle, and then can avoid its wearing and tearing to lead to the maintenance cost that whole change brought, improve its practicality, thereby solved inconvenient dismouting change's problem.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is an enlarged partial front view of the needle holder body of the present utility model;

FIG. 3 is an enlarged schematic view of a partial side view of one side of the needle holder body of the present utility model;

FIG. 4 is a schematic view of a partial perspective view of the present utility model at a serrated plate;

fig. 5 is a schematic view of a partially enlarged structure of an adjusting structure of the present utility model.

In the figure: 1. a mounting structure; 101. a sliding plate; 102. bolt holes; 103. a sliding groove; 104. a fixing bolt; 2. a needle holder body; 3. an adjustment structure; 301. an adjusting rod; 302. an adjusting spring; 303. an adjusting box; 304. an adjustment aperture; 305. a slide bar; 306. a fixing groove; 307. an adjusting block; 4. a first hand-held lever; 5. a rubber sheet; 6. a thrust block; 7. a second hand-held lever; 8. a flexible loop; 9. a serrated 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.

Example 1

The preferred embodiment of the minimally invasive surgical needle holder provided by the present utility model is shown in fig. 1 to 5: the utility model provides a minimally invasive surgery needle holder, including needle holder body 2, one side swing joint of needle holder body 2 has serration board 9, the inside swing joint of needle holder body 2 of serration board 9 one end has mounting structure 1, the upper end swing joint of needle holder body 2 opposite side has first handheld pole 4, the lower extreme swing joint of needle holder body 2 opposite side has second handheld pole 7, one side swing joint of first handheld pole 4 and second handheld pole 7 has adjusting structure 3, the one end fixedly connected with thrust block 6 of the one end of first handheld pole 4 and the second handheld pole 7 opposite side.

The adjusting structure 3 comprises a fixing groove 306, the fixing groove 306 is formed in one side of the inside of the first handheld rod 4 and the second handheld rod 7, one side of the first handheld rod 4 and one side of the second handheld rod 7 are fixedly connected with an adjusting box 303, one end of the adjusting box 303 is movably connected with an adjusting rod 301 extending to the inside of the adjusting box 303, one end of the adjusting rod 301 is fixedly connected with an adjusting block 307, an adjusting spring 302 is wound on the surface of the adjusting rod 301 at one end of the adjusting block 307, one side of the needle holder body 2 is fixedly connected with a sliding rod 305 extending to the inside of the fixing groove 306, one end of the sliding rod 305 is provided with an adjusting hole 304, the adjusting block 307 is driven to completely separate from the inside of the adjusting hole 304 by pulling the adjusting rod 301, then the first handheld rod 4 and the second handheld rod 7 are pulled respectively, the sliding rod 305 slides to a proper position in the fixing groove 306, and the elastic force of the adjusting spring 302 is utilized again, the adjusting block 307 moves and is clamped into the proper adjusting hole 304, and the limiting fixation of the sliding of the first handheld rod 4 and the second handheld rod 7 is achieved, and the whole length of the needle holder is adjusted.

In this embodiment, a sliding structure is formed between the sliding rod 305 and the inside of the fixing groove 306, and a welding integrated structure is formed between one side of the sliding rod 305 and one side of the needle holder body 2, so that the length adjustment between the needle holder body 2 and the first and second hand-held rods 4 and 7 is smoother and smoother through the sliding between the sliding rod 305 and the inside of the fixing groove 306.

In this embodiment, a clamping structure is formed between the adjusting block 307 and the inside of the adjusting hole 304, and the height of the adjusting block 307 is smaller than the depth inside the adjusting box 303, so that the stability of limiting and fixing the sliding rod 305 after sliding is realized through the clamping of the adjusting block 307 and the inside of the adjusting hole 304, and the length between the needle holder body 2 and the first and second hand-held rods 4 and 7 is convenient to adjust.

Example 2

On the basis of embodiment 1, a preferred embodiment of the minimally invasive surgical needle holder provided by the present utility model is shown in fig. 1 to 5: the mounting structure 1 includes the sliding tray 103, the sliding tray 103 is offered in the inside one side of needle holder body 2, and one side swing joint of needle holder body 2 has fixing bolt 104, serration board 9 one end fixedly connected with and the inside matched with sliding tray 101 of sliding tray 103, and the bolt hole 102 that matches with fixing bolt 104 has been offered to the inside one end both sides of sliding tray 101, through the inside screw thread fit of fixing bolt 104 and bolt hole 102, and utilize the sliding tray 101 and the inside slip of between the sliding tray 103, be convenient for carry out dismouting change to serration board 9, avoid its wearing and tearing to lead to the maintenance cost that whole change brought.

In this embodiment, the side view of the sliding plate 101 and the sliding groove 103 is inverted convex, and a sliding structure is formed between the sliding plate 101 and the inside of the sliding groove 103, and the stability of the preliminary sliding installation of the serration plate 9 is improved by the sliding of the inverted convex sliding plate 101 in the inside of the sliding groove 103.

In this embodiment, a threaded engagement structure is formed between the fixing bolt 104 and the inside of the bolt hole 102, and the number of the bolt holes 102 and the fixing bolt 104 is two, so that the limiting firmness of the sliding plate 101 sliding into the sliding groove 103 can be ensured by the threaded engagement between the two fixing bolts 104 and the bolt holes 102.

Further, one side fixedly connected with flexible circle 8 of first handheld pole 4 and the inside wall of second handheld pole 7, and the shape of flexible circle 8 is the O type, through setting up the flexible circle 8 of O type, can improve the comfort level of doctor's finger and the inside one side of first handheld pole 4 and second handheld pole 7.

In addition, one end of the thrust block 6 is fixedly connected with a rubber sheet 5, and the rubber sheet 5 is in a shape of a round cake, and by arranging the round cake-shaped rubber sheet 5, flexible contact between the thrust blocks 6 can be realized when the first handheld rod 4 and the second handheld rod 7 are rotationally closed.

When the needle holder is used, the whole length between the needle holder body 2 and the first hand-held rod 4 and the second hand-held rod 7 is adjusted according to actual operation requirements or the use habit of a doctor, the adjusting rod 301 is pulled to drive the adjusting block 307 to move to compress the adjusting spring 302 to be completely separated from the inside of the adjusting hole 304, then the first hand-held rod 4 and the second hand-held rod 7 are respectively pulled, the sliding rod 305 slides to a proper position in the fixing groove 306, then the adjusting rod 301 is released, the adjusting block 307 is clamped into the proper adjusting hole 304 by utilizing the elasticity of the adjusting spring 302, the limiting fixation of the sliding of the first hand-held rod 4 and the second hand-held rod 7 is realized, and the whole length adjustment of the needle holder is further realized, so that the use habit of different operation conditions or doctors is satisfied;

then doctor inserts first handheld pole 4 and the inside one side of second handheld pole 7 with the finger, drives needle holder body 2 one side through the finger and opens and close, and the centre gripping surgical needle of being convenient for carries out minimally invasive surgery operation, and simultaneously when serration board 9 takes place wearing and tearing, rotatable fixing bolt 104 breaks away from with bolt hole 102 inside completely, afterwards slip serration board 9 for sliding plate 101 slip to completely break away from with sliding groove 103 inside can, and during the installation, slide sliding plate 101 in sliding groove 103 inside, again rotate fixing bolt 104 to get into bolt hole 102 inside, realize spacing firm stability after the sliding plate 101 slides, and then be convenient for carry out dismouting change to serration board 9, avoid its wearing and tearing to lead to the maintenance cost that whole change brought.

In sum, this minimally invasive surgery needle holder, the device can realize the length adjustment between needle holder body 2 and first handheld pole 4 and the handheld pole 7 of second, satisfies different operation condition or doctor's use habit, improves its suitability, can change it after serration plate 9 wearing and tearing simultaneously, avoids its whole cost that changes and cause too big.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Minimally invasive surgery needle holder, including needle holder body (2), its characterized in that: one side of the needle holder body (2) is movably connected with a serration plate (9), an installation structure (1) is movably connected inside the needle holder body (2) at one end of the serration plate (9), a first handheld rod (4) is movably connected at the upper end of the other side of the needle holder body (2), a second handheld rod (7) is movably connected at the lower end of the other side of the needle holder body (2), an adjusting structure (3) is movably connected at one side of the first handheld rod (4) and one side of the second handheld rod (7), and a thrust block (6) is fixedly connected at one end of the other side of the first handheld rod (4) and one end of the other side of the second handheld rod (7);

the utility model provides an adjustable structure (3) is including fixed slot (306), one side inside first handheld pole (4) and second handheld pole (7) is seted up to fixed slot (306), one side fixedly connected with adjustment tank (303) of first handheld pole (4) and second handheld pole (7), adjustment tank (303) one end swing joint has regulation pole (301) that extend to adjustment tank (303) inside, the one end fixedly connected with regulating block (307) of adjusting pole (301), regulation pole (301) surface winding of regulating block (307) one end has regulating spring (302), needle holder body (2) one side fixedly connected with extends to slide bar (305) inside fixed slot (306), regulation hole (304) have been seted up to one end of slide bar (305).

2. A minimally invasive surgical needle holder according to claim 1, wherein: a sliding structure is formed between the sliding rod (305) and the inside of the fixed groove (306), and a welding integrated structure is formed between one side of the sliding rod (305) and one side of the needle holder body (2).

3. A minimally invasive surgical needle holder according to claim 1, wherein: a clamping structure is formed between the adjusting block (307) and the inside of the adjusting hole (304), and the height of the adjusting block (307) is smaller than the depth of the inside of the adjusting box (303).

4. A minimally invasive surgical needle holder according to claim 1, wherein: the mounting structure (1) comprises a sliding groove (103), one side inside a needle holder body (2) is arranged on the sliding groove (103), one side of the needle holder body (2) is movably connected with a fixing bolt (104), one end of a sawtooth plate (9) is fixedly connected with a sliding plate (101) matched with the sliding groove (103), and bolt holes (102) matched with the fixing bolt (104) are formed in two sides of one end inside the sliding plate (101).

5. The minimally invasive surgical needle holder of claim 4, wherein: the side view of the sliding plate (101) and the sliding groove (103) are in reverse convex shape, and a sliding structure is formed between the sliding plate (101) and the inside of the sliding groove (103).

6. The minimally invasive surgical needle holder of claim 4, wherein: a threaded matching structure is formed between the fixing bolt (104) and the inside of the bolt hole (102), and the number of the bolt hole (102) and the number of the fixing bolt (104) are two respectively.

7. A minimally invasive surgical needle holder according to claim 1, wherein: one side of the inner walls of the first handheld rod (4) and the second handheld rod (7) is fixedly connected with a flexible ring (8), and the shape of the flexible ring (8) is O-shaped.

8. A minimally invasive surgical needle holder according to claim 1, wherein: one end of the thrust block (6) is fixedly connected with a rubber sheet (5), and the shape of the rubber sheet (5) is a cake shape.