CN207949890U - reduction forceps - Google Patents
reduction forceps Download PDFInfo
- Publication number
- CN207949890U CN207949890U CN201720589753.XU CN201720589753U CN207949890U CN 207949890 U CN207949890 U CN 207949890U CN 201720589753 U CN201720589753 U CN 201720589753U CN 207949890 U CN207949890 U CN 207949890U
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- China
- Prior art keywords
- arm
- tong arm
- measuring arm
- measuring
- compression bar
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Abstract
The utility model discloses a kind of reduction forceps, including：For resetting and the caliper of fix bone；Measuring arm is provided with graduated scale on the extending direction of the measuring arm, and the measuring arm is connected on the caliper, and the measuring arm is used to measure the aperture of the caliper.The utility model provides a kind of reduction forceps, for measuring bone screws needed for it, hollow nail equal length during resetting and fix bone, simplifies surgical procedure, shortens operating time, reduce patient and need the operation risk undertaken.
Description
Technical field
The utility model is related to surgical medical equipment technical fields, more particularly, to a kind of reduction forceps.
Background technology
Bone surgery usually requires to complete by orthopedic instrument, and reduction forceps are one of common surgical instruments, is carrying out bone
When section performs the operation, bone fragments are clamped using reduction forceps in doctor, to be fixed and to reset to bone.
The head of reduction forceps is usually provided with tip or the tip with bending, so that bone fragments are clamped in doctor, uses
Reduction forceps are resetted and are fixed temporarily to bone fragments, so that doctor carries out subsequent operation.Doctor is commonly using bone screws, sky
Heart nail etc. is fixed through bone, the size of bone screws, hollow nail etc. need with perforative bone length dimension phase
Match.Under normal circumstances, after doctor resets fracture site, the size that bone corresponding site is measured using dipstick is needed, to needing
After wanting fixed osteometry size, bone screws, hollow nail of reselection corresponding size etc..This process is time-consuming and laborious, should
Ensure that bone does not misplace, ensure that measurement result is accurate again, make operating time is opposite to extend, process is relative complex, increases
Patient needs the risk undertaken.
Therefore, it is necessary to a kind of reduction forceps, to solve the above problems.
Utility model content
In view of this, the purpose of this utility model is that a kind of reduction forceps are proposed, for resetting and fix bone process
It is middle measure its needed for bone screws, hollow nail equal length, simplify surgical procedure, shorten operating time, reduce patient need undertake
Operation risk.
Based on a kind of above-mentioned purpose reduction forceps provided by the utility model,
For resetting and the caliper of fix bone；
Measuring arm is provided with graduated scale on the extending direction of the measuring arm, and the measuring arm is connected on the caliper,
The measuring arm is used to measure the aperture of the caliper.
Preferably, the caliper includes the first tong arm and the second tong arm arranged in a crossed manner, first tong arm and described
Two tong arms are rotatably connected.
Preferably, the measuring arm is connected on first tong arm, and second tong arm is opened and closed along the measuring arm.
Preferably, the reduction forceps further include：Second tong arm in the caliper is arranged in self-locking body, the self-locking body
On, the self-locking body is used to lock the relative position of second tong arm and the measuring arm.
Preferably, the self-locking body includes compression bar, dynamic clamping head and quiet clamping head and tight lock part, and the compression bar can with second tong arm
Rotation connection, the both ends of the dynamic clamping head and quiet clamping head are against respectively on the compression bar and second tong arm, the tight lock part and institute
Compression bar gearing is stated, the tight lock part is for locking second tong arm.
Preferably, multiple equally distributed bayonets, the self-locking are provided on the end face of the extending direction of the measuring arm
The tight lock part of part engages connection with the bayonet.
Preferably, first tong arm and second tong arm include both at least one binding clip, clamp handle and pincers ring, institute
It states binding clip and the pincers ring is separately positioned on the head and tail portion of the clamp handle, the binding clip, the clamp handle and the pincers ring are
Integral structure.
Preferably, the binding clip is expanded outward from the front to the back, the institute of both first tong arm and described second tong arm
It states and is provided with holding chamber between binding clip, the front end of the binding clip is provided with point.
Preferably, the measuring arm is rotatably connected with first tong arm.
Furthermore it is preferred that the arc-shaped face in the cross section of the measuring arm, the arc core of the arcwall face is arranged described first
The junction of tong arm and second tong arm.
From the above it can be seen that reduction forceps provided by the utility model have following excellent compared with prior art
Point：First, it is resetting and fix bone while can directly read the width of bone, to judge the murices needed for it
Nail, hollow nail equidimension, avoid additionally measuring using other instruments again, simplify operating process and surgical procedure, shorten hand
The art time reduces the operation risk of patient.Secondly, self-locking body can realize the self-locking of reduction forceps, after reduction forceps fix bone,
Self-locking body can lock the aperture of caliper, to effectively lock the position of bone, while facilitate the number read in measuring arm
Value.
Description of the drawings
By the way that embodiment is described below in conjunction with the accompanying drawings, the features described above and technological merit of the utility model will
It becomes more fully apparent and is readily appreciated that.
Fig. 1 is the schematic diagram of the reduction forceps used in the utility model embodiment.
Fig. 2 is the use state diagram of reduction forceps shown in FIG. 1.
Wherein reference numeral：
100：Reduction forceps；200：Bone；
1：First tong arm；11：First clamp handle；12：First pincers ring；
2：Second tong arm；21：Second clamp handle；22：Second pincers ring；
3：First axis pin；4：Measuring arm；41：Graduated scale；42：Bayonet；
5：Self-locking body；51：Tight lock part；52：Compression bar；53：Spring；6：Second axis pin.
Specific implementation mode
To make the purpose of this utility model, technical solution and advantage be more clearly understood, below in conjunction with specific embodiment, and
With reference to attached drawing, the utility model is further described.Wherein identical parts are presented with like reference characters.It needs
Illustrate, word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to the side in attached drawing
To.The word "inner" used and "outside" refer respectively to the direction towards or away from geometric center of specific component.
Fig. 1 is the schematic diagram of the reduction forceps used in the utility model embodiment.As shown in Figure 1, reduction forceps 100 include：
Caliper and measuring arm 4.
Caliper is for resetting and fix bone 200 (as shown in Figure 2).
Graduated scale 41 is provided on the extending direction of measuring arm 4, measuring arm 4 is connected on caliper, and measuring arm 4 is for measuring
The aperture of caliper.
When caliper is fixed on 200 top of bone, the aperture of jaw is equal to the width of bone 200, the aperture and pincers of jaw
The aperture of handle is identical, will show that the width value between jaw, doctor can directly read 4 high scale ruler of measuring arm in measuring arm 4
41 respective value, and bone screws, the hollow nail etc. for selecting corresponding size according to the data, avoid reusing additional measurement
Tool measures, and simplifies surgical procedure.
Graduated scale 41 can be connected in measuring arm 4, or scale is arranged in measuring arm 4 and forms graduated scale 41.In this reality
It applies in example, measuring arm 4 is arranged is provided with graduation mark and scale value on the middle and lower part of clamp handle, measuring arm 4.
To optimize the structure of reduction forceps 100, good reset and fixed function are provided, it is preferable that caliper includes intersecting to set
The first tong arm 1 and the second tong arm 2 set, the first tong arm 1 and the second tong arm 2 are rotatably connected.
First tong arm 1 and the second tong arm 2 can be identical or different structures, in the present embodiment, the first tong arm 1 and
Two tong arms 2 use identical structure, and the two is symmetrical arranged, and the middle and upper part of 2 the two of the first tong arm 1 and the second tong arm is both provided with pin
Hole (does not identify), and two pin holes are overlapped, and the first axis pin 3 runs through two pin holes, and the first tong arm 1 and the second tong arm 2 can be around
First axis pin 3 rotates, so that the first tong arm 1 of realization and the second tong arm 2 are rotatably connected.
Measuring arm 4 is read for convenience of during using 100 fix bone 200 of reduction forceps, keeps the synchronism of the two, it is excellent
Selection of land, measuring arm 4 are connected on the first tong arm 1, and the second tong arm 2 is opened and closed along measuring arm 4.
In the present embodiment, one end of measuring arm 4 is connected to the lower surface of the first tong arm 1, such as is welded to connect, the second pincers
Arm 2 be arranged measuring arm 4 relatively above and it is opened and closed along measuring arm 4, the quarter of graduated scale 41 is directed toward when the second tong arm 2 is static
Angle value is the first tong arm 1 and the aperture of the second tong arm 2 and the size value of bone screws, hollow nail needed for fix bone 200.
Preferably, reduction forceps 100 further include：Self-locking body 5, self-locking body 5 are arranged on the second tong arm 2 of caliper, self-locking body 5
Relative position for locking the second tong arm 2 and measuring arm 4.Behind 100 fix bone 200 of reduction forceps, locked using self-locking body 5
It is fixed, to read measured value, while finger band moving caliper being avoided to open and close, influences its fixed effect and accuracy of measurement；Work as needs
When adjusting width of jaw, the locking effect of self-locking body 5 is released.
To optimize the structure of reduction forceps 100, it is conveniently operated, the caliper when reading data is avoided to open and close, it is preferable that from
Latch fitting 5 includes compression bar 52, dynamic clamping head and quiet clamping head and tight lock part 51, and compression bar 52 is rotatably connected with the second tong arm 2, dynamic clamping head and quiet clamping head
Both ends are against respectively on compression bar 52 and the second tong arm 2, and tight lock part 51 is interlocked with compression bar 52, and tight lock part 51 is for locking the second tong arm
2.Self-locking body 5 acts on for realizing the unidirectional self-lock of reduction forceps 100.
In the present embodiment, the head end of compression bar 52 is rotatably connected by the second axis pin 6 and the second tong arm 2,52 He of compression bar
It is dynamic clamping head and quiet clamping head between second tong arm 2, spring 53 can be selected in dynamic clamping head and quiet clamping head, and the tail end of tight lock part 51 passes through the second axis pin 6
It is rotatably connected with the second tong arm 2, the head end of tight lock part 51 is for realizing locking or unlocking to measuring arm 4.It states in use
5 when self-locking body, elastic deformation occurs for the tail end of lower moulded rod 52, spring 53, and the head end of compression bar 52 lifts, and drives tight lock part 51
Tail end moves down, and makes the head end of tight lock part 51 far from measuring arm 4, releases the locking effect of self-locking body 5, caliper can be with free-open-close.
52 tail end of compression bar is discharged, spring 53 is the tail end for restoring to the original state and pushing up compression bar 52, and the head end of compression bar 52 moves down, and drives locking
The tail end in portion 51 moves up, and so that the head end of tight lock part 51 is locked measuring arm 4, the aperture of caliper is relatively fixed, to read measuring arm 4
The numerical value of top.
To optimize the structure of reduction forceps 100, simplifies operation, facilitate the state of control self-locking body 5, it is preferable that measuring arm 4
Multiple equally distributed bayonets 42 are provided on the end face of extending direction, the tight lock part 51 of self-locking body 5 engages connection with bayonet 42.
In the present embodiment, tight lock part 51 is latch, presses compression bar 52, latch is detached with bayonet 42, and caliper can be free
Folding；Compression bar 52 is discharged, latch engages connection with bayonet 42, locked to the folding of caliper, while latch direction is corresponding
Scale value is the size value of required bone screws, hollow nail etc..
Identical structure or different structure can be used in first tong arm 1 and the second tong arm 2, to realize accurate fixed and measuring, keeps away
Exempt from bone fragments play, it is preferable that the first tong arm 1 and the second tong arm 2 both including at least one binding clip, clamp handle and clamp ring,
At least one binding clip and pincers ring are separately positioned on the head and tail portion of clamp handle, and at least one binding clip, clamp handle and pincers ring are integrated knot
Structure.Binding clip is for realizing clamping and fix bone 200, and clamp handle facilitates gripping and operation, and pincers ring set is located on finger, to control
The folding of clamp handle.
In the present embodiment, the first tong arm 1 clamps ring 12 including the first binding clip (not identifying), the first clamp handle 11 and first, the
Two tong arms 2 include the second binding clip (not identifying), the second clamp handle 21 and second pincers ring 22.
For ease of clinical application, 200 position of bone is accurately controlled, it is preferable that binding clip is expanded outward from the front to the back, and first
It is provided with holding chamber between the binding clip of 2 the two of tong arm 1 and the second tong arm, the front end of binding clip is provided with point.Holding chamber and point
End can effectively lock the bone 200 after resetting, and avoid misplacing again.
To increase the flexibility of reduction forceps 100 and convenient for collecting, it is preferable that measuring arm 4 rotatably connects with the first tong arm 1
It connects.When using measuring arm 4 when, by measuring arm 4 turn to the second tong arm 2 relatively above or lower section, after the completion of use, can will survey
Amount arm 4 is packed up.
To improve measurement accuracy, measured value is directly acquired, furthermore it is preferred that the arc-shaped face in the cross section of measuring arm 4, arc
The arc core in shape face is arranged in the junction of the first tong arm 1 and the second tong arm 2.
In the present embodiment, the arc core of the arcwall face of measuring arm 4 is arranged on the first axis pin 3, measuring arm 4 and the first tong arm
The distance of 1 the first axis pin of junction distance 3 is identical as the distance of the first axis pin of point distance 3 of the first binding clip.
The use process of reduction forceps is described further below.
Fig. 2 is the use state diagram of reduction forceps shown in FIG. 1.As shown in Fig. 2, first, by the first pincers ring 12 and the
Two pincers rings 22 are set on finger, while pressing down on compression bar 52, and spring 53 is compressed, while the latch and bayonet of self-locking body 5
42 separation, caliper release self-locking, and the first clamp handle 11 and the second clamp handle 21 being capable of free-open-closes；Secondly, bone 200 is made to be located at jaw
Between, adjust the folding of the first clamp handle 11 and the second clamp handle 21 so that the first binding clip and the second binding clip reset bone 200
And fixation；Finally, compression bar 52 is discharged, the reset of spring 53 makes latch engage connection, the second tong arm 2 and measuring arm 4 with bayonet 42
Position is relatively fixed, and latch is directed toward the number on graduated scale 41, reads and selected according to the numerical value bone screws, the sky of corresponding size
Heart nail etc..
From the description above with practice it is found that reduction forceps provided by the utility model have following compared with prior art
Advantage：First, it is resetting and fix bone while can directly read the width of bone, to judge the murices needed for it
Nail, hollow nail equidimension, avoid additionally measuring using other instruments again, simplify operating process and surgical procedure, shorten hand
The art time reduces the operation risk of patient.Secondly, self-locking body can realize the self-locking of reduction forceps, after reduction forceps fix bone,
Self-locking body can lock the aperture of caliper, to effectively lock the position of bone, while facilitate the number read in measuring arm
Value.
Those of ordinary skills in the art should understand that：The foregoing is merely specific embodiment of the utility model
, it is not intended to limit the utility model, all any modifications within the purport of the utility model, made, change equivalent replacement
Into etc., it should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of reduction forceps, which is characterized in that including：
For resetting and the caliper of fix bone；
Measuring arm is provided with graduated scale on the extending direction of the measuring arm, and the measuring arm is connected on the caliper, described
Measuring arm is used to measure the aperture of the caliper；
The caliper includes the first tong arm and the second tong arm arranged in a crossed manner, and first tong arm and second tong arm are rotatable
Connection；
The measuring arm is connected on first tong arm, and second tong arm is opened and closed along the measuring arm；
The reduction forceps further include：Self-locking body, the self-locking body are arranged on second tong arm of the caliper, the self-locking
Part is used to lock the relative position of second tong arm and the measuring arm；
The self-locking body includes compression bar, dynamic clamping head and quiet clamping head and tight lock part, and the compression bar is rotatably connected with second tong arm, institute
The both ends for stating dynamic clamping head and quiet clamping head are against respectively on the compression bar and second tong arm, and the tight lock part is interlocked with the compression bar,
The tight lock part is for locking second tong arm；
The tail end of the compression bar is pushed, elastic deformation occurs for the dynamic clamping head and quiet clamping head, and the head end of the compression bar lifts, described in drive
The tail end of tight lock part moves down, and makes the head end of the tight lock part far from the measuring arm, releases the locking effect of the self-locking body；It releases
The tail end of the compression bar is put, the dynamic clamping head and quiet clamping head is the tail end for restoring to the original state and pushing up the compression bar, the head of the compression bar
End moves down, and the tail end of the tight lock part is driven to move up, and so that the head end of the tight lock part is locked the measuring arm, the caliper is opened
Degree is relatively fixed, to read the numerical value above the measuring arm.
2. reduction forceps according to claim 1, which is characterized in that
Multiple equally distributed bayonets, the locking of the self-locking body are provided on the end face of the extending direction of the measuring arm
Connection is engaged with the bayonet in portion.
3. reduction forceps according to claim 1 or 2, which is characterized in that
First tong arm and second tong arm include both at least one binding clip, clamp handle and clamp ring, at least one described
Binding clip and the pincers ring are separately positioned on the head and tail portion of the clamp handle, at least one binding clip, the clamp handle and described
Pincers ring is structure as a whole.
4. reduction forceps according to claim 3, which is characterized in that
The binding clip is expanded outward from the front to the back, is set between the binding clip of both first tong arm and described second tong arm
It is equipped with holding chamber, the front end of the binding clip is provided with point.
5. reduction forceps according to claim 1 or 2, which is characterized in that
The measuring arm is rotatably connected with first tong arm.
6. reduction forceps according to claim 1 or 2, which is characterized in that
The arc-shaped face in cross section of the measuring arm, the arc core setting of the arcwall face is in first tong arm and second pincers
The junction of arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720589753.XU CN207949890U (en) | 2017-05-25 | 2017-05-25 | reduction forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720589753.XU CN207949890U (en) | 2017-05-25 | 2017-05-25 | reduction forceps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207949890U true CN207949890U (en) | 2018-10-12 |
Family
ID=63723053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720589753.XU Expired - Fee Related CN207949890U (en) | 2017-05-25 | 2017-05-25 | reduction forceps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207949890U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110353761A (en) * | 2019-08-01 | 2019-10-22 | 张茂友 | A kind of surgical clamp of Urology Surgery |
| CN111714200A (en) * | 2020-07-13 | 2020-09-29 | 常州亨杰医疗器械有限公司 | Orthopedic reduction needle threading guide forceps |
-
2017
- 2017-05-25 CN CN201720589753.XU patent/CN207949890U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110353761A (en) * | 2019-08-01 | 2019-10-22 | 张茂友 | A kind of surgical clamp of Urology Surgery |
| CN111714200A (en) * | 2020-07-13 | 2020-09-29 | 常州亨杰医疗器械有限公司 | Orthopedic reduction needle threading guide forceps |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 |