CN2548569Y

CN2548569Y - Improved wrist tunnel operating instruments

Info

Publication number: CN2548569Y
Application number: CN 02230723
Authority: CN
Inventors: 杨哲忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-04-08
Filing date: 2002-04-08
Publication date: 2003-05-07
Anticipated expiration: 2012-04-08

Abstract

The utility model relates to an improved type surgical apparatus for wrist tunnel, which comprises a group of expanders, an L-shaped surgical knife group and a supporting stick; therein the supporting stick is characterized in that two parallel grooves are formed inward, one groove is used for the traveling of an endoscope tube, the other groove is used for the traveling of a surgical knife, the surgical opening of the wrist is distracted in gradual mode by a plurality of expanders with different sizes, then, the supporting stick is placed on the operating part, thus, the L-shaped surgical knife is slid on the specific groove of the supporting stick, therefore, the situation that the groove wall of the supporting stick is cut by the surgical knife and detained in the hand tissue of the patient since that the advancing direction of the surgical knife is unstable can be effectively avoided, and inflammation caused by foreign body reaction can be effectively avoided, Therefore, the utility model has the advantages that the medical quality of the operation is ensured.

Description

Modified form wrist tunnel surgical instrument

Technical field

This utility model is about a kind of surgical instrument, refers to a kind of modified form wrist tunnel surgical instrument especially.

Background technology

Present most of people is because of the needs in occupation difference and the work, the frequent motive position of normal use during as work with hands, yet hardworking running for years for hand, make palm produce pathological changes easily, disease as Carpel Tunnel Syndrome, and in numerous occupations the main cause of this disease of the easiest initiation long-term personnel that use wrist to repeat to count on one's fingers action outside not, as; Secretary, computer operator, carpenter, dentist, accounting etc. are that palmar surfaces of fingers causes insomnia because of producing the fiber crops pain, or a little less than the power road Minus of the thing of taking, this be the amyotrophic result of thenar owing to thumb and suffer from the symptom that this disease occurred.

Because this type of disease is to be occupation disease, therefore the generation of difficult this disease of prevention, do not see improvement through the conservative therapy yet after six weeks, solve at present fast this disease have only the operation of utilization operate on treatment this by way of, but the mode and the disunity of wrist tunnel operation at present, see also shown in Figure 6, comparatively early stage modus operandi is before the treatment of performing a surgical operation, earlier make about 4 to the 5cm openings that do not wait of incision of skin at palm, down cut the long sarolemma 72 of the palm again, up to seeing because of after pointing nine flexor tendons and a median nerve inflammation swelling and tightening De Transverse ligament 70, the beginning is done the cutting operation of dissociating, and need will be stained with sticking wrist tunnel inner tissue this moment downwards, based on median nerve 71, peel off the action that pine is stretched tight, and when operation is carried out for fear of injuring other nerves, need about 40 so finish this operation, five ten minutes, except operating time is long, unnecessarily cut the long sarolemma 72 of the palm again, the length that adds one centre of the palm is operated on wound, and therefore the time of recovery from illness is also longer relatively.

At the deutero-problems of above-mentioned operation, the Inner visor monitoring modus operandi that is developed in recent years, get final product the problem of the few above-mentioned operative procedure of You Xiao Di Minus, because of general doctor's preference is used single incision surgery method, and this method is at first cut a little opening in the wrist place, then strut or peel off the tight puckery sticking wrist tunnel of being stained with the gradually big dilator of size to Inner in regular turn again, please cooperate shown in Figure 7, after strutting this wrist tunnel, this support stick 50 can be inserted wrist tunnel Inner, because of this support stick 50 is formed with an elongated slot 51, so can plug for this Inner visor (not shown) and scalpel 60, after this endoscope and scalpel 60 are inserted in this support stick 50, be that available scalpel group is (as cutter, push broach etc.) Cis the elongated slot 51 of support stick 60, to paste or tighten De Transverse ligament with median nerve severs, and examine the situation of this operation closely to see through the Inner visor in operation process, modus operandi can solve problems such as difficult greatly recovery from illness of early operation method wound or operating time length effectively by this.

Yet, though this mode can provide the modus operandi of patient's short period, but because this surgical instrument catches between sufferer mutually for avoiding, therefore all use deserted surgical instrument, so this dilator or support stick is to be plastic material, please consult shown in Figure 7 again, especially establish a conduit 51 with 50 of this support sticks, mainly provide the Inner visor to slide in its Inner, there is no other specific conduits and slide, so scalpel 60 can only be in the cutting of endoscope the place ahead, add that again scalpel integral body is to be formula form always for scalpels 60, so its cut direction must form an angle with conduit 50, and can't make both parallel, and be this, can cause the cell wall of scalpel 60 careless these conduits 51 of cutting, be detained in surgical site and will consider slag to be worth doing, and this shortcoming can cause patient this place's wound inflammation or difficult problem of fully recovering in the future.

As from the foregoing, still can't provide the patient guarantee for when operation fully with the employed utensil that undergos surgery at present, also or ensure the quality of operation, therefore the utensil at the operation of wrist tunnel still needs further improvement, the safety that undergos surgery with real guarantee patient.

The utility model content

For this reason, main purpose of the present utility model provides a kind of avoiding and performs the operation because of cutting the modified form wrist tunnel surgical instrument that surgical instrument causes medical treatment upward to lack, and to improve quality of medical care effectively, makes patient's health be subjected to appropriate guarantee.

This utility model time purpose provides the modified form wrist tunnel surgical instrument that a kind of more convenient scalpel slides on support stick,

The another purpose of this utility model provides a stable modified form wrist tunnel surgical instrument can keep scalpel to advance the time.

For reaching above-mentioned order, a kind of modified form wrist tunnel surgical instrument that this utility model provides includes:

One set of dilators is its dilator that includes several different sizes;

One support stick, its place ahead forms a caput, and this caput rear forms one handle, wherein the caput of this support stick partly forms one first elongated slot, and in parallel formation one second elongated slot of this first elongated slot side, wherein this handle Inner forms a space, is communicated with the place ahead first elongated slot;

One operation knife tackle, the cutter hub front portion of each scalpel is to be a cutter head, and this cutter head and cutter hub form an angle, and cutter hub is to constitute a Z-shaped shape by forward and backward two sections again, and the rear end connects one handle.

Wherein this second elongated slot is to extend back to be formed up to this handle rear end.

Wherein this set of dilators is the dilator that four groups of different sizes are arranged, and the section of each dilator is to be flat ellipse.

Wherein this knife tackle is to include push broach, billhook.

Wherein the cutter head outer rim of this billhook is the circular arc root face.

Above-mentioned surgical instrument group at first will be used set of dilators when performing a surgical operation, little big by size to the support of senior general's wrist tunnel incision, be inserted in this for this support stick and strut incision, this endoscope is plugged to an elongated slot of this support stick again, and place in another elongated slot with specific scalpel, with the operation of carrying out Gai Transverse wrist ligament cutting and peeling off the median nerve surrounding tissue, because of this operation can be advanced in specific elongated slot slip, so guarantee that this scalpel is subject in this elongated slot, and can not cut the cell wall of elongated slot, add that again set of dilators is to cooperate the wrist tunnel-shaped and be the flat ellipse shape, meets principle of human engineering, so can leniently tissue be strutted conveniently to undergo surgery.

From the above, the surgical instrument of this utility model surgical instrument structural design known utilization promptly possesses following advantage:

1, operation safety height: because support stick design two conduit independently, put for Z-shaped scalpel and endoscope operation respectively, therefore can make this scalpel more flat Cis when operation promotes, to consider slag to be worth doing and stay in the hand tissue to remove the conduit cell wall of to prune from, and cause postoperative sequela, can cooperate again using of endoscope folder make moving of the stable control of doctor endoscope.

2, handled easily scalpel: because the design of scalpel cutter hub makes the cutter hub back segment of this scalpel, relative leading portion is deviation one angle laterally, and keep level with leading portion, can when using scalpel, avoid the Inner detector tube that plugs with the supported underneath rod and the light source tube of Inner detector tube rear end in operation, to collide, and the carrying out of convenient operation.Make more Cis hands of operation cutter, can effectively improve the safety of operation.

3, conveniently inspecting operation carries out and postoperative situation: because scalpel and endoscope are to adhere to the different operating space separately, add that again the conduit for the scalpel operation extends to the support stick rear portion, therefore can from top to bottom put into for handle of a knife, to make things convenient for the doctor to adjust the use angle of scalpel at any time, endoscope makes things convenient in the DIYU conduit mobile simultaneously, inspect the situation of operation, make probe (Probe) with point of a knife and reach actions such as test and repairing.

Improve stability when 4, performing the operation: the scalpel that holds can be subject to the spatial dimension Inner of elongated slot on the other hand, stablize travel path, and another hands can be seized the Inner detector tube on both sides by the arms with Inner visor folder, and make things convenient for operator to hold the action path of this Inner visor folder control endoscope, be when performing the operation, to reach the gripping of stabilization procedure utensil assisting a physician.

5, success rate of operation height: because of this scalpel cooperates specific conduit for the scalpel slip, can make scalpel when operating on, be subject in the conduit, can be because of being difficult for gripping, and make cutter head cut to incorrect hand tissue, add many of the more close sizes of this set of dilators use, and each dilator shape is the little flat ellipse shape that conforms with wrist tunnel Inner, therefore the less hand tissue that is fit to the Asians, promptly, can before operation, finish first step, fully peel off and be stained with sticking tissue, desire to operate on the Subligamentous wrist of Chu Transverse tunnel Inner tissue owing to strutting up hill and dale in progressive gentle mode, can increase the success rate that the doctor operates on by this, and then make patient satisfied.

Description of drawings

Fig. 1: be a plane graph of the present utility model, it discloses a complete wrist tunnel surgical instrument group.

Fig. 2: be another practical operation sketch map of the present utility model, it discloses the user mode of support stick and scalpel in this wrist tunnel surgical instrument group.

Fig. 3: be another practical operation sketch map of the present utility model, it discloses the state that Z-shaped scalpel is adjusted when cutting.

Fig. 4: be a part of profile of the present utility model, it discloses the profile of support stick.

Fig. 5: be a practical operation sketch map of the present utility model.

Fig. 6: be the tissue distribution figure of human body palm, it discloses near the tissue in wrist tunnel, median nerve and the desire cutting De Transverse ligament scattergram of a human hands.

Fig. 7: be the outside drawing of a known wrist tunnel surgical instrument, it discloses the user mode of support stick and scalpel in this wrist tunnel surgical instrument group.

The specific embodiment

See also shown in Figure 1ly, this utensil is to include:

One set of dilators, it includes first dilator 10, second dilator 11, the 3rd dilator 12, the 4th dilator 13 of different size, is to be more flat ellipticity;

One operation knife tackle, it is set of knives with difference in functionalitys such as push broach 20, billhooks 21, wherein each scalpel 2 front end forms a cutter head 203 and is and cutter hub 201 forms an angle, again, this cutter hub 201 constitutes one by front and rear sections 204,205 respectively and is a z shape, that is these cutter hub 202 back segments 205 relative leading portions 204 are outside deviation one angle, is seen and is rolled over an angle to a lateral deviation by another angle, and remain in parastate with leading portion 204, wherein the rear end of this cutter hub back segment 205 is connected with one handle 202 again; Two front and rear sections the 204, the 205th in present embodiment, deviation one rake angle;

Cutter head 211 outer rims of this billhook are the blunt ends that forms a circular arc, to increase the safety of using billhook;

One support stick 30, its the place ahead forms a caput 31, these caput 31 rears form one handle 32, wherein the caput 31 of this support stick 30 partly forms one first elongated slot 311, and in parallel formation one second elongated slot 312 of these first elongated slot, 311 place's sides, and this second elongated slot 312 is to extend back to be formed up to this handle 32 rear end, wherein this handle 32 Inner form a space, can be communicated with the place ahead first elongated slot 311, as shown in Figure 4.

See also shown in Figure 5, first elongated slot 311 of this support stick 30 and second elongated slot 312 are to be inserted in wherein for scalpel 20 and Inner visor 40 respectively, and can slide in groove Inner, actual fabrication, this second elongated slot 312 big I cooperate 4mm or 3mm Inner visor to use, and can avoid colliding with Inner visor 40 pipelines 401 because of scalpel cutter hub 201 deviation back segments.

Above-mentioned is the structure of surgical instrument of the present utility model, and its actual user mode cooperates

Description of drawings is as follows:

The use of above-mentioned surgical instrument group can be used set of dilators earlier, with the edge of a knife of wrist with by the little tissue that struts this wrist tunnel to large scale, after treating this incision is extended to the aperture that can perform the operation, please cooperate and consult Fig. 2 and shown in Figure 5, this support stick 30 can be inserted in this and strut incision, again this Inner visor 40 is plugged to the space Inner of this support stick 30 handles 32 subsequently, promptly this Inner visor 40 penetrates in first elongated slot 311 in the place ahead, Inner visor folder is held under the arm the light source tube of being located at Inner detector tube rear end again and is held the action path of this Inner visor folder control Inner visor to make things convenient for operator; Afterwards, be positioned over the below of these support stick 30 handles 32 again with a supporting pad 41, because this supporting pad 41 is to form curved arc shaped wing limit in the body both sides, so that supporting pad 41 is stable on the wrist of forearm, and provide this support stick 30 1 fixed pivots, because of second elongated slot, 312 whole conduits of this support stick 30 expose, can utilize this second elongated slot 312 to place from top to bottom for scalpel 20, and stretch to palm Inner and undergo surgery, be with, first and second elongated slot 311,312 respectively provide a separate space to give 20 operations of Inner visor 40 and scalpel, can be convenient to inspecting of the carrying out of performing the operation and wound.

See also Fig. 3, because of the cutter head 203 of this scalpel is to be an angle with cutter hub 201, therefore can utilize cutter head 203 smooth second elongated slots 312 and flat Cis promotion in conduit, and can in operation, be stained with sticking degree Ji Transverse ligament elasticity at the wrist tunnel of different human body hand tissue, the height of adjusting cutter hub 201 makes cutter head 203 to lock angle θ accurately, and can carry out the simple operation of Qie Kai Transverse ligament according to different hand tissues, promptly, according to h=w * tam θ formula, can control the height h that angle θ adjusts the operation cutter head.

For this reason, surgical instrument of the present utility model is different with known utensil, and has obvious effect to promote, and can promote the usability of industrial circle really, and also meets important documents such as the novel patent novelty of application, progressive, files an application in whence mere formality in accordance with the law.

Claims

1, a kind of modified form wrist tunnel surgical instrument is characterized in that including:

One set of dilators is its dilator that includes several different sizes;

One support stick, its place ahead forms a caput, and this caput rear forms one handle, wherein the caput of this support stick partly forms one first elongated slot, and, wherein form a space in this handle in parallel formation one second elongated slot of this first elongated slot side, be communicated with the place ahead first elongated slot;

2, modified form wrist according to claim 1 tunnel surgical instrument, it is characterized in that: wherein this second elongated slot is to extend back to be formed up to this handle rear end.

3, modified form wrist according to claim 1 and 2 tunnel surgical instrument, it is characterized in that: wherein this set of dilators is the dilator that four groups of different sizes are arranged, and the section of each dilator is to be flat ellipse.

4, modified form wrist according to claim 3 tunnel surgical instrument, it is characterized in that: wherein this knife tackle is to include push broach, billhook.

5, modified form wrist according to claim 4 tunnel surgical instrument, it is characterized in that: wherein the cutter head outer rim of this billhook is the circular arc root face.