CN208551946U - Tendon cutter - Google Patents

Abstract

The utility model discloses a kind of tendon cutters, including cuts main body, Stent assembly and fixing piece；Cuts main body includes cutting head and connecting rod, and cutting head is connect with connecting rod；Stent assembly includes mounting base and tensioning member, and mounting base section is in inverted U-shaped structure, and top is provided with the action pane of the square structure extended along the longitudinal direction；Tensioning member includes two slide bars and multiple medical drag hooks, and two slide bars are set in action pane, and can be slided in left-right direction, is removably provided with multiple medical drag hooks on the opposite side wall of two slide bars；Connecting rod is detachably arranged in action pane, and can be slid back and forth in action pane；Fixing piece is set to mounting base bottom, for Stent assembly to be fixed on human body.Effect: it can replace manual operation in art, on Stent assembly and expand human body upper cut, to save manpower；Postoperative, Stent assembly can play the role of isolation cut, touch notch to avoid objects such as beddings and bring discomfort to patient.

Description

Tendon cutter

Technical field

The utility model relates to medical instruments field more particularly to a kind of tendon cutters.

Background technique

When the fracture of the tendon injury of human body, will cause muscle can not normally be acted, as long as at this moment usually by fracture Tendon, which sews up back, can reply original function, however when injured tendon has generated lesion or can not find and can suture Endpoint, and when not being available or carrying out suture operation, just must entirely cut off, and use self or heteroplastic transplantation mode It is substituted for new tendon.So, when carrying out tendon excision, it is necessary to use tendon cutter, and utilize existing flesh When tendon cutter cuts off tendon, need several assistants from side assistance and by the cutout extension with patient, so as to smoothly by flesh Tendon excision.Tendon excision belongs to small-sized operation, then several doctors are crowded together, on the one hand, can make the behaviour of operator doctor Make limited space, on the other hand, will also result in the waste of manpower.

Utility model content

The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality It is to propose a kind of tendon cutter with novel purpose.

To achieve the above object, according to the tendon cutter of the utility model embodiment, comprising:

Cuts main body, the cuts main body include cutting head and connecting rod, and the cutting head is connected to the connecting rod Front end；

Stent assembly, the Stent assembly include mounting base and tensioning member, and the mounting base section is in inverted U-shaped knot Structure, and top is provided with the action pane for the square structure that one extends along the longitudinal direction；The tensioning member include two slide bars and Multiple medical drag hooks, described two slide bars are set in the action pane, and can be slided in left-right direction, described two slide bars On be removably provided with the multiple medical drag hook；The connecting rod is detachably arranged in the action pane, and It can be slid back and forth in the action pane；

Fixing piece, the fixing piece are set to the mounting base bottom, for the Stent assembly to be fixed on human body.

According to tendon cutter provided by the embodiment of the utility model, including cuts main body, Stent assembly and fixing piece, cut Cutting main body includes cutting head and connecting rod, and cutting head is connected with connecting rod, and fixing piece is used to Stent assembly being fixed on human body, Stent assembly includes mounting base and tensioning member, has an action pane in mounting base, the connecting rod of cuts main body is removably set It sets in action pane, and can be slid back and forth in action pane；Tensioning member include two slide bars and multiple medical drag hooks, two Slide bar is set in mounting base, and can be horizontally slipped in action pane, and multiple medical drag hooks are mounted at two On slide bar, in this way, the mounting base of inverted U-shaped structure is fixed on human body by fixing piece, and make when carrying out tendon cutting Human body notch face action pane, and then human body notch can be pulled open by multiple medical drag hooks so that exposure of surgical field, Operating doctor can carry out tendon cutting by cuts main body, can be in this way, then assist expansion notch from side without several assistants Play the role of saving human and material resources, can also increase the operating space of operating doctor；Meanwhile multiple medical drag hooks and cutting are led Body is mounted on Stent assembly, then, it is postoperative, it can be by cuts main body and multiple medical drag hooks from Stent assembly It disassembles, in this way, notch can also be isolated in Stent assembly, notch is effectively avoided to touch bedding or other objects And discomfort is brought to patient.

In addition, can also have following additional technology special according to the tendon cutter of the utility model above-described embodiment Sign:

In one embodiment according to the present utility model, the mounting base includes framework, left plate and right side plate, the frame Body is by the successively end to end formation of the preceding body of rod, the rear body of rod, the left body of rod and the right body of rod, and middle position has the action pane； The opposite bottom for being set to the left body of rod and the right body of rod of the left plate and right side plate or so；The preceding body of rod and the rear body of rod Inner surface offer a sliding slot extended in left-right direction, the rear and front end of the slide bar is provided with and the sliding slot is sliding The cunning of dynamic cooperation is convex, and is provided on described two slide bars for being locked described two slide bars in the mounting base Locking member.

In one embodiment according to the present utility model, the one side wall of the left body of rod and the right body of rod relative to the slide bar On be provided with multiple elastic components, and be connected by the multiple elastic component with the slide bar.

In one embodiment according to the present utility model, on the left and right sides wall of described two slide bars it is opposite offer it is more A vertically extending card slot, the multiple medical drag hook are mounted in the card slot by U-shaped folder gripping member.

In one embodiment according to the present utility model, the bottom of the left plate is reserved with extended along the longitudinal direction One through-hole, the bottom of the right side plate are reserved with the second through-hole extended along the longitudinal direction, and the fixing piece includes public velcro And female velcro, the public affairs velcro are connected with first through hole, the female velcro is connected with the second through-hole.

In one embodiment according to the present utility model, it is described after the body of rod include left connection part, right connection part and interlude, The left connection part is connected with the left body of rod, and the right connection part is connected with the right body of rod, described interlude one end and institute It is hinged to state left connection part, the other end is removably connected with the right connection part；

The through hole extended along the longitudinal direction is offered on the left and right sides wall of the connecting rod, the interlude is detachable Pass through the through hole, and can be slid back and forth along the through hole.

In one embodiment according to the present utility model, the cutting head is round tube shape structure, and front end is cutting part, rear end For interconnecting piece, the interconnecting piece is connected with the connecting rod.

In one embodiment according to the present utility model, the upper and lower surfaces of the body of rod are globoidal structure, and Upper surface is provided with graduation mark.

In one embodiment according to the present utility model, the inner surface of the left plate and right side plate is provided with flexibility Layer.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment entirety；

Fig. 2 is the utility model embodiment cuts main body structural schematic diagram；

Fig. 3 is the structural schematic diagram of the utility model embodiment Stent assembly；

Fig. 4 is the structural schematic diagram of the utility model embodiment medical drag hook

Fig. 5 is the partial enlargement diagram in Fig. 1 at A；

Fig. 6 is the partial enlargement diagram in Fig. 1 at B.

Appended drawing reference:

Cuts main body 10；

Cutting head 11；

Cutting part 111；

Connecting rod 12；

Through hole 121；

Graduation mark 122；

Stent assembly 20；

Mounting base 21；

The preceding body of rod 211；

Sliding slot 2111；

The body of rod 212 afterwards；

Left connection part 2121；

Right connection part 2122；

Interlude 2123；

The left body of rod 213；

The right body of rod 214；

Elastic component 2141；

Left plate 215；

First through hole 2151；

Right side plate 216；

Action pane 217；

Tensioning member 22；

Slide bar 221；

Card slot 2211；

Medical drag hook 222；

U-shaped folder gripping member 2221.

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, merely to just In description the utility model and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be Concrete meaning in the present invention.

Referring to figs. 1 to shown in Fig. 6, the utility model embodiment provides a kind of tendon cutter, including cuts main body 10, Stent assembly 20 and fixing piece.

Specifically, cuts main body 10 includes cutting head 11 and connecting rod 12, cutting head 11 is connected to the front end of connecting rod 12, Cutting head 11 can be driven to carry out tendon cutting by operating connecting rod 12.

Stent assembly 20 includes mounting base 21 and tensioning member 22, and 21 section of mounting base is in inverted U-shaped structure, and top is set It is equipped with the action pane 217 for the square structure that one extends along the longitudinal direction；That is, the mounting base 21 of inverted U-shaped structure Bottom has a U-shaped space, then mounting base 21 can be covered on operative site, and to grasp when carrying out tendon cutting Make the notch face on window 217 and human body.Tensioning member 22 includes two slide bars 221 and multiple medical drag hooks 222, two slide bars 221 are set in action pane 217, and can slide in left-right direction, are removably provided with multiple doctors on two slide bars 221 The notch of human body can then be stretched, be cut to play expansion in this way, being passed through mobile two slide bars 221 with drag hook 222 The effect of mouth, connecting rod 12 is detachably arranged in action pane 217, and can be slid back and forth in action pane 217.

Fixing piece (not shown) is set to 21 bottom of mounting base, for Stent assembly 20 to be fixed on human body.

When specifically used, the operative site of human body is placed in the U-shaped space of 21 bottom of mounting base, so that human body is cut Multiple medical drag hooks 222 on two slide bars 221 are further caught on notch, and slide two by mouth face action pane 217 A slide bar 221 is located remotely from each other two slide bars 221, as a result, can pull open notch, so that exposure of surgical field, then will The connecting rod 12 being installed in mounting base 21 is moved forward or rearward, and cutting head 11 can be driven to cut tendon, in this way, Just it is assisted without other medical staff from side；After the completion of operation, can by multiple medical drag hooks 222 and cuts main body 10 from It is disassembled in mounting base 21, then, just no longer there is sharp component, mounting base 21 can then rise as a result, in mounting base 21 To the effect of isolation cut.

According to tendon cutter provided by the embodiment of the utility model, including cuts main body 10, Stent assembly 20 and fixation Part, cuts main body 10 include cutting head 11 and connecting rod 12, and cutting head 11 is connected with connecting rod 12, and fixing piece will be for that will expand Component 20 is fixed on human body, and Stent assembly 20 includes mounting base 21 and tensioning member 22, has an action pane in mounting base 21 217, the connecting rod 12 of cuts main body 10 removably setting in action pane 217, and can in action pane 217 front and back it is sliding It is dynamic；Tensioning member 22 includes two slide bars 221 and multiple medical drag hooks 222, and two slide bars 221 are set in mounting base 21, and can To horizontally slip in action pane 217, multiple medical drag hooks 222 are mounted on two slide bars 221, in this way, When carrying out tendon cutting, the mounting base 21 of inverted U-shaped structure is fixed on human body by fixing piece, and make human body notch just To action pane 217, and then human body notch can be pulled open by multiple medical drag hooks 222 so that exposure of surgical field, operator doctor It is raw that tendon cutting can be carried out by cuts main body 10, in this way, then assisting expansion notch from side without several assistants, can play Labor-saving effect can also increase the operating space of operating doctor；Meanwhile multiple medical drag hooks 222 and cuts main body 10 It is mounted on Stent assembly 20, then, it is postoperative, it, can also be by 10 He of cuts main body after handling notch Multiple medical drag hooks 222 are disassembled from Stent assembly 20, in this way, notch can also be isolated in Stent assembly 20, are had Effect avoids notch from touching bedding or other articles and bring discomfort to patient.

Preferably, in an example of the utility model, mounting base 21 includes framework, left plate 215 and right side plate 216, framework is by the preceding body of rod 211, the rear body of rod 212, the left body of rod 213 and the successively end to end formation, and middle position of the right body of rod 214 With action pane 217；Left plate 215 and the opposite bottom for being set to the left body of rod 213 and the right body of rod 214 of right side plate 216 or so Portion；The inner surface of the preceding body of rod 211 and the rear body of rod 212 offers a sliding slot 2111 extended in left-right direction, before slide bar 221 It is convex to be provided with the cunning being slidably matched with sliding slot 2111 for both ends afterwards, and is provided on two slide bars 221 for by two slide bars 221 It is locked in the locking member in mounting base 21.

The cutting of tendon is typically all to carry out along the direction of bone accompanying by institute's tendon, that is to say, that notch is Strip, therefore, after the preceding body of rod 211, the rear body of rod 212, the left body of rod 213 and the right body of rod 214 are successively end to end, middle position The action pane 217 of formation can be very good the shape of the notch adapted to, the convex and preceding body of rod 211 of the cunning at two 221 both ends of slide bar It cooperates with the sliding slot 2111 on the rear body of rod 212, so that two slide bars 221 can be with very convenient relative motion, to drive Medical drag hook 222 will stretch notch, and by cutout extension, also, the size of cutout extension also facilitates adjusting, complete when adjusting Afterwards, two slide bars 221 are locked by locking member.Locking member can use screw rod, correspondingly, in 221 He of slide bar The threaded hole being mutually matched is offered on the corresponding left body of rod 213 and the right body of rod 214, in this way, not only locking effect is good for screw rod, Also, also facilitate the position for adjusting slide bar 221, it is therefore, easy to operate.

Preferably, in an example of the utility model, the left body of rod 213 and the right body of rod 214 relative to slide bar 221 one It is provided with multiple elastic components 2141 on side wall, and is connected by multiple elastic components 2141 with slide bar 221.

In this way, multiple elastic components 2141 can play centainly when mostly pulling the notch with patient with medical drag hook 222 Buffer function avoid so that the active force that medical drag hook 222 generates notch is elastic acting force in expansion notch When, it is firmly excessive so that notch causes additional damage.Specifically, elastic component 2141 can use spring.

Preferably, opposite on the left and right sides wall of two slide bars 221 to offer in an example of the utility model Multiple vertically extending card slots 2211, multiple medical drag hooks 222 are mounted at card slot 2211 by U-shaped folder gripping member 2221 It is interior.

Card slot 2211 on 221 left and right sides wall of slide bar can play the role of limit, so that working as multiple medical drag hooks 222 When being clamped and fastened on slide bar 221 by U-shaped folder gripping member 2221, it will not be slid laterally along slide bar 221；And medical drag hook 222 It is fixed using U-shaped folder gripping member 2221, so that convenient for installing the quantity of medical drag hook 222 according to the length of notch with patient, Convenient for medical drag hook 222 is removed the processing that carries out disinfection.

Preferably, in another example of the utility model, the bottom of left plate 215 is reserved with to be extended along the longitudinal direction First through hole 2151, the bottom of right side plate 216 is reserved with the second through-hole extended along the longitudinal direction, and fixing piece includes public magic Patch (not shown) and female velcro (not shown), public velcro be connected with first through hole 2151, female velcro and Second through-hole is connected.Mounting base 21 is fixed by velcro, good fixing effect, and easy to disassemble, it certainly, can also To be fixed using other fixed forms.

It should be noted that being additionally provided with pressing piece in the opposite one side wall of left plate 215 and right side plate 216, press Part have certain radian, and with a standing screw be rotatablely connected, and by the standing screw be fixed on left plate 215 or On right side plate 216, then, by tightening the standing screw on left plate 215 and right side plate 216, left plate 215 and right side plate Pressing piece in 216 opposite one side walls is mutually drawn close, so as to further enhance the fixed effect of mounting base 21.

Preferably, in another example of the utility model, the rear body of rod 212 includes left connection part 2121, right connection part 2122 and interlude 2123, left connection part 2121 be connected with the left body of rod 213, right connection part 2122 is connected with the right body of rod 214, intermediate 2123 one end of section and left connection part 2121 are hinged, and the other end is removably connected with right connection part 2122；

The through hole 121 extended along the longitudinal direction is offered on the left and right sides wall of connecting rod 12, interlude 2123 is removable That unloads passes through through hole 121, and can slide back and forth along through hole 121.

That is, rear 212 left connection part 2121 of the body of rod and right connection part 2122 disconnect, and removable by interlude 2123 Connection is unloaded, then, when doctor carries out tendon cutting, interlude 2123 can be passed through in the through hole 121 in connecting rod 12, To be installed to connecting rod 12, in this way, only need to that is to say bone along the direction of vertical connecting 12 when doctor operates Direction promotes or stretches, so, interlude 2123 can also play the role of guiding, correspondingly, also can be to avoid The hanging problem of connecting rod 12, so that direction when passage connecting rod 12 be avoided to occur cutting improper problem hair caused by deviation It is raw.And in the completed, the other end of interlude 2123 is disassembled from right connection part 2122, it also can be very easily Connecting rod 12 is removed.

Preferably, in some examples of the utility model, cutting head 11 is round tube shape structure, and front end is cutting part 111, Rear end is interconnecting piece, and interconnecting piece is connected with connecting rod 12.Cutting part 111 can be the blade additionally installed, or can also be should One ora terminalis of round tube shape structure cutting head 11 is formed by attrition process, it is of course also possible to be this field according to actual demand Technical staff is changed, and forms the blade in the present embodiment directly to be processed by an ora terminalis of round tube shape structure cutting head 11 To reduce cost of manufacture.

In use, by 11 sets of round tube shape structure cutting head outside a bit of tendon of interception, and operate connecting rod 12 to It is pushed forward into can cut down the tendon being attached on bone under the action of cutting part 111 of 11 front end of cutting head.

Preferably, in other examples of the utility model, the upper and lower surfaces of the body of rod are globoidal structure, and Upper surface is provided with graduation mark 122.

By graduation mark 122, the length of cutting can be intuitively known, carried out convenient for doctor according to actually required length Cutting, accuracy are high.

Preferably, in the other example of the utility model, the inner surface of left plate 215 and right side plate 216 is respectively provided with Flexible layer.

By adding flexible layer in the inner surface of left plate 215 and right side plate 216, mounting base 21 can be enhanced and be installed on people Comfort when body.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It can be combined in any suitable manner in any one or more embodiment or examples.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are not departing from the utility model Principle and objective in the case where above-described embodiment can be changed in the scope of the utility model, modify, replace and Modification.

Claims (9)

1. a kind of tendon cutter characterized by comprising

Cuts main body, the cuts main body include cutting head and connecting rod, and the cutting head is connected to the front end of the connecting rod；

Stent assembly, the Stent assembly include mounting base and tensioning member, and the mounting base section is in inverted U-shaped structure, and Top is provided with the action pane for the square structure that one extends along the longitudinal direction；The tensioning member includes two slide bars and multiple doctors With drag hook, described two slide bars are set in the action pane, and can be slided in left-right direction, on described two slide bars Disassembly is provided with the multiple medical drag hook；The connecting rod is detachably arranged in the action pane, and can be in institute It states in action pane and slides back and forth；

Fixing piece, the fixing piece are set to the mounting base bottom, for the Stent assembly to be fixed on human body.

2. tendon cutter according to claim 1, which is characterized in that the mounting base includes framework, left plate and the right side Side plate, the framework is by the successively end to end formation of the preceding body of rod, the rear body of rod, the left body of rod and the right body of rod, and middle position has institute State action pane；The opposite bottom for being set to the left body of rod and the right body of rod of the left plate and right side plate or so；Before described The inner surface of the body of rod and the rear body of rod offers a sliding slot extended in left-right direction, and the rear and front end of the slide bar is provided with The cunning being slidably matched with the sliding slot is convex, and is provided on described two slide bars for being locked described two slide bars in institute State the locking member in mounting base.

3. tendon cutter according to claim 2, which is characterized in that the left body of rod and the right body of rod are relative to the cunning It is provided with multiple elastic components in the one side wall of bar, and is connected by the multiple elastic component with the slide bar.

4. tendon cutter according to claim 3, which is characterized in that opposite on the left and right sides wall of described two slide bars Offer multiple vertically extending card slots, the multiple medical drag hook is mounted at the card by U-shaped folder gripping member In slot.

5. tendon cutter according to claim 4, which is characterized in that the bottom of the left plate is reserved with along front and back To the first through hole of extension, the bottom of the right side plate is reserved with the second through-hole extended along the longitudinal direction, the fixing piece packet Public velcro and female velcro are included, the public affairs velcro is connected with first through hole, and the female velcro is connected with the second through-hole It connects.

6. tendon cutter according to claim 2, which is characterized in that the body of rod includes left connection part, right connection after described Section and interlude, the left connection part are connected with the left body of rod, and the right connection part is connected with the right body of rod, the centre Duan Yiduan and the left connection part are hinged, and the other end is removably connected with the right connection part；

The through hole extended along the longitudinal direction is offered on the left and right sides wall of the connecting rod, the interlude is removably worn The through hole is crossed, and can be slid back and forth along the through hole.

7. tendon cutter according to claim 6, which is characterized in that the cutting head is round tube shape structure, and front end is Cutting part, rear end are interconnecting piece, and the interconnecting piece is connected with the connecting rod.

8. tendon cutter according to claim 7, which is characterized in that the upper and lower surfaces of the body of rod are arc Face structure, and upper surface is provided with graduation mark.

9. tendon cutter according to claim 2, which is characterized in that the inner surface of the left plate and right side plate is all provided with It is equipped with flexible layer.