CN103271758A

CN103271758A - Minimally invasive restorer

Info

Publication number: CN103271758A
Application number: CN2013101902272A
Authority: CN
Inventors: 严飞
Original assignee: Suzhou And Science & Technology Development Co Ltd
Current assignee: SUZHOU AND SCIENCE & TECHNOLOGY DEVELOPMENT CO., LTD,
Priority date: 2013-05-22
Filing date: 2013-05-22
Publication date: 2013-09-04
Anticipated expiration: 2033-05-22
Also published as: CN103271758B

Abstract

The invention discloses a minimally invasive restorer which is used for breakage bone conducting transverse restoration traction. The minimally invasive restorer comprises a fixing block. An upper through hole and a lower through hole are formed in the fixing block transversely, wherein the upper through hole is parallel to the lower through hole. A first threaded hole which is communicated with the upper through hole is formed in the top end of the fixing block, a first bolt for fixation is installed in the first threaded hole, a semi-circle step pole handle of a drag hook penetrates through the upper through hole to extends out, the first bolt and the upper plane of the semi-circle step pole handle of the drag hook are locked to each other, and therefore the drag hook is fixed in the fixing block, a handle is fixed at the tail end of the pole handle of the drag hook, an adjusting threaded rod penetrates through the lower through hole to extend out, a left nut and a right nut are respectively arranged on the portion, outside the fixing block, of the adjusting threaded rod, the left nut and the right nut can axially fix the adjusting threaded rod into the fixing block, and the tail end of a bone ejecting needle is connected with the end portion of the adjusting threaded rod through a connecting sleeve. According to the structure, the minimally invasive restorer is safe and stable in the operation process, high in efficiency, and capable of greatly reducing wound area when an external fixing support is used.

Description

Wicresoft's positor

Technical field

The present invention relates to the orthopedic medical device field, relate in particular to Wicresoft's positor that a kind of fracture place skeleton for the sufferer extremity is done the traction that laterally resets.

Background technology

In orthopaedics class operation, when the fracture place skeleton of sufferer injured limbs is undergone surgery treatment, need earlier the traction that resets of fracture place skeleton, next step operation provides the good premise condition in order to perform the operation.At present when fracture place skeleton is undergone surgery, at first need manpower pulling fracture place skeleton to do radial motion, under artificial draw, the doctor uses scalpel to cut a big openning at the outside of fracture place skeleton skin histology, and then will prize hook and extend on the skeleton that needs lateral traction, prize skeleton with the sled hook, skeleton is carried out lateral traction, make the alignment of fracture place skeleton, use exterior fixation bracket or internal fixation plate that the skeleton of alignment is fixed, wrapped up then, make fracture place skeleton energy normal growth, healing.

The shortcoming of above-mentioned traditional surgical approaches is: one, in operation process, need someone prize the skeleton traction that laterally resets, and the sled hook must be maintained always the position after prizing, till the butt joint of fracture place skeleton is fixed, labor intensive so not only, and because always there is unstability in manually-operated, brought inconvenience and unsafe factor for doctor's operation technique; Two, in the operation process, no matter be to use exterior fixation bracket also to be to use internal fixation plate, all need cut a big openning at the outside of fracture place skeleton skin histology, increase patient's wound area.

Summary of the invention

The technical problem of solution required for the present invention is: provide a kind of operation process of doctor that can make more convenient safer, and can reduce Wicresoft's positor of wound area greatly when using exterior fixation bracket.

For addressing the above problem, the technical solution used in the present invention is: described Wicresoft positor, comprise fixed block, in fixed block, laterally offer be parallel to each other on through hole and lower through-hole, the fixed block top offers first screwed hole, first screwed hole communicates with last through hole, fixedly first bolt of usefulness is housed in first screwed hole, the bar handle of drag hook passes through hole and stretches out, the bar handle of drag hook is the semicircle step shape, first bolt can be locked mutually with the last plane of the semicircle step bars handle of drag hook, thereby drag hook is fixed in the fixed block, and handle is fixed on the tail end of drag hook bar handle; Adjusting screw(rod) passes lower through-hole and stretches out, and is positioned on the outer adjusting screw(rod) of fixed block to be rotary with left nut and right nut respectively, and left and right nut can be axially fixed in adjusting screw(rod) in the fixed block, and parietal bone backshank end is connected with the adjusting screw(rod) end by adapter sleeve.

Further, aforesaid Wicresoft positor, wherein, the end face of parietal bone needle section is provided with anti-skidding groove.

Further, aforesaid Wicresoft positor, wherein, handle end offers the semicircle stepped hole that matches with the bar handle of drag hook, semicircle stepped hole upper end offers second screwed hole, and second screwed hole communicates with the semicircle stepped hole, and handle is installed on the bar handle tail end of drag hook by the semicircle stepped hole, fixedly second bolt of usefulness is housed in second screwed hole, and second bolt can be fixedly connected on handle on the bar handle of drag hook.

Further, aforesaid Wicresoft positor, wherein, between drag hook and parietal bone pin, be provided with bow type block, drag hook is positioned at the bow type block upper groove, the parietal bone pin is positioned at the bow type block low groove, be provided with the 3rd screwed hole at the upper groove top, the infra bottom portion of groove is provided with the 4th screwed hole, in the 3rd screwed hole, be provided with the 3rd bolt that fixing drag hook is used, in the 4th screwed hole, be provided with the 4th bolt that fixing parietal bone pin is used, the 3rd bolt and the 4th bolt respectively drag hook and parietal bone pin are fixed on bow type block on, in the low groove, make drag hook and the parietal bone pin phenomenon that can not be shifted mutually.

The invention has the beneficial effects as follows: use Wicresoft's positor of said structure, can simplify the operation, make operation process safer, more stable, efficient is also higher; In addition, when adopting exterior fixation bracket fixedly during fracture place skeleton, only need can stretch into drag hook and get final product at the very little wound of the outside of fracture place skeleton skin histology incision, reduce wound area greatly, also alleviate patient's pain greatly.

Description of drawings

Fig. 1 is the overall structure sketch map of Wicresoft of the present invention positor.

Fig. 2 is the structural representation shown in the C direction among Fig. 1.

Fig. 3 is the structural representation of A-A section among Fig. 2.

Fig. 4 is parietal bone needle section structural representation.

Fig. 5 is the structural representation of handle.

Fig. 6 is the structural representation of B-B section among Fig. 5.

The specific embodiment

Below in conjunction with accompanying drawing and preferred embodiment technical solutions according to the invention are described in further detail.

As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, the described Wicresoft of present embodiment positor,

Comprise fixed block 3, in fixed block 3, laterally offer be parallel to each other on through hole and lower through-hole, fixed block 3 tops offer two first screwed holes, two first screwed holes communicate with last through hole respectively, fixedly first bolt 4 of usefulness is housed respectively in two first screwed holes, the bar handle of drag hook 1 passes through hole and stretches out, the bar handle of drag hook 1 is the semicircle step shape, first bolt 4 can be locked mutually with the last plane of the semicircle step bars handle of drag hook 1, thereby drag hook 1 is fixed in the fixed block 3, handle 11 ends offer the semicircle stepped hole 102 that matches with the bar handle of drag hook 1, semicircle stepped hole 102 upper ends offer second screwed hole 101, second screwed hole 101 communicates with semicircle stepped hole 102, handle 11 is installed on the bar handle tail end of drag hook 1 by semicircle stepped hole 102, in actual use, can in second screwed hole 101, second bolt be set, so that drag hook 1 and handle 11 are mutually permanently connected.Adjusting screw(rod) 6 passes lower through-hole and stretches out, be positioned on the adjusting screw(rod) 6 outside the fixed block 3 and be rotary with left nut 51 and right nut 52 respectively, left side nut 51 and right nut 52 are axially fixed in adjusting screw(rod) 6 in the fixed block 3, parietal bone pin 9 tail ends are connected with adjusting screw(rod) 6 left ends by adapter sleeve 7, the head end of parietal bone pin 9 is provided with anti-skidding groove, can prevent from skidding between parietal bone pin 9 heads and fracture place skeleton in the operation process, avoid fracture place skeleton is caused the secondary injury; Between drag hook 1 and parietal bone pin 9, also be provided with bow type block 2, drag hook 1 is positioned at the upper groove of bow type block 2, parietal bone pin 9 is positioned at the low groove of bow type block 2, be provided with the 3rd screwed hole at the upper groove top, the infra bottom portion of groove is provided with the 4th screwed hole, in the 3rd screwed hole at upper groove top, be provided with fixedly the 3rd bolt 81 of usefulness, be provided with fixedly the 4th bolt 8 of usefulness in the 4th screwed hole of infra bottom portion of groove, the 3rd bolt 81 and the 4th bolt 8 respectively drag hook 1 and parietal bone pin 9 are fixed on bow type block 2 on, in the low groove, drag hook 1 and parietal bone pin 9 are parallel to each other and the mutual alignment phenomenon that can not be shifted.

The using method of Wicresoft's positor of said structure is as follows: during operation, the limbs that the patient is injured are placed on the surgical console, unclamp second bolt of two first bolts 4, the 3rd bolt 81, the 4th bolt 8 and fixed handle 11, drag hook 1 is taken out in fixed block 3; Cut a little openning at the outside of patient's fracture place skeleton skin histology, drag hook 1 is extend into inside and hooks skeleton from osculum, and then the bar handle of drag hook 1 penetrated in the last through hole of fixed block 3, screw first bolt 4 after fixed block 3 moved to suitable position, make drag hook 1 be fixed in the fixed block 3; Then rotate left nut 51 and right nut 52, make left nut 51 and right nut 52 away from fixed block 3, mobile adjusting screw(rod) 6, make parietal bone pin 9 roof pressures on the skeleton that is hooked by drag hook 1, rotate left nut 51 and right nut 52, make left nut 51 and right nut 52 near fixed block 3, adjusting screw(rod) 6 is fastened in the lower through-hole of fixed block 3, it is not loosening to guarantee that parietal bone pin 9 is close on the skeleton that is hooked by drag hook 1; Bow type block 2 is contained between drag hook 1 and the parietal bone pin 9, makes drag hook 1 be positioned at the upper groove of bow type block 2, parietal bone pin 9 is positioned at the low groove of bow type block 2, regulates the position of bow type block 2, screws the 3rd bolt 81 and the 4th bolt 8; Just handle 11 is installed on the bar handle tail end of drag hook 1 again, screws second bolt, makes handle 11 fixedly connected with drag hook 1 tail end; Pulling handle 11 makes whole Wicresoft positor along laterally mobile, drive fracture place skeleton simultaneously and carry out lateral traction, when fracture place skeleton aligns, the fixed block 3 of Wicresoft's positor is fixed on the support that adjusted is good on the surgical console, then depending on the circumstances or the needs of the situation, selection is used exterior fixation bracket or internal fixation plate to fix fracture place skeleton, and is finally finished operation process.

From the above mentioned as can be known, when selecting to use exterior fixation bracket to fix fracture place skeleton, only need to cut a little openning at patient's skin histology, reduced wound area greatly, also significantly reduced patient's misery; And in the whole surgery process, the personnel that need not dispose are in addition prizing skeleton all the time, have not only reduced labor cost, and have solved the instability problem that manual operation causes, make operation process safer, more stable, and efficient is also higher.

Claims

1. Wicresoft's positor, comprise fixed block, it is characterized in that: in fixed block, laterally offer be parallel to each other on through hole and lower through-hole, the fixed block top offers first screwed hole, first screwed hole communicates with last through hole, fixedly first bolt of usefulness is housed in first screwed hole, the bar handle of drag hook passes through hole and stretches out, the bar handle of drag hook is the semicircle step shape, first bolt can be locked mutually with the last plane of the semicircle step bars handle of drag hook, thereby drag hook is fixed in the fixed block, and handle is fixed on the tail end of drag hook bar handle; Adjusting screw(rod) passes lower through-hole and stretches out, and is positioned on the outer adjusting screw(rod) of fixed block to be rotary with left nut and right nut respectively, and left and right nut can be axially fixed in adjusting screw(rod) in the fixed block, and parietal bone backshank end is connected with the adjusting screw(rod) end by adapter sleeve.

2. according to the described Wicresoft of claim 1 positor, it is characterized in that: the end face of parietal bone needle section is provided with anti-skidding groove.

3. according to claim 1 or 2 described Wicresoft positors, it is characterized in that: handle end offers the semicircle stepped hole that matches with the bar handle of drag hook, semicircle stepped hole upper end offers second screwed hole, second screwed hole communicates with the semicircle stepped hole, handle is installed on the bar handle tail end of drag hook by the semicircle stepped hole, fixedly second bolt of usefulness is housed in second screwed hole, and second bolt can be fixedly connected on handle on the bar handle of drag hook.

4. according to claim 1 or 2 described Wicresoft positors, it is characterized in that: between drag hook and parietal bone pin, be provided with bow type block, drag hook is positioned at the bow type block upper groove, the parietal bone pin is positioned at the bow type block low groove, be provided with the 3rd screwed hole at the upper groove top, the infra bottom portion of groove is provided with the 4th screwed hole, in the 3rd screwed hole, be provided with the 3rd bolt that fixing drag hook is used, in the 4th screwed hole, be provided with the 4th bolt that fixing parietal bone pin is used, the 3rd bolt and the 4th bolt respectively drag hook and parietal bone pin are fixed on bow type block on, in the low groove, make drag hook and the parietal bone pin phenomenon that can not be shifted mutually.