CN203263485U

CN203263485U - Curette for minimally invasive surgery of orthopedics department

Info

Publication number: CN203263485U
Application number: CN 201320144012
Authority: CN
Inventors: 韦锡波; 韦锡义; 刘戈平
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-03-27
Filing date: 2013-03-27
Publication date: 2013-11-06
Anticipated expiration: 2023-03-27

Abstract

A curette for minimally invasive surgery of the orthopedics department comprises a curette body and a protective tube provided with a clamping block, wherein the curette body and the protective tube are connected into a whole, the protective tube is connected into a passageway of a curette rod, a curette handle and the clamping block, and a camera transmitting device is mounted in the protective tube and comprises a camera assembly consisting of an optical fiber bundle, an electronic circuit board connected with an image sensor, a video signal cable and a camera; and the camera assembly is connected with the video signal cable, the optical fiber bundle and a light source, and the camera is mounted by attaching to the curette rod. The curette combines functions of the curette and a speculum and integrates observation, operation and treatment, and is a reliable operation tool for minimally invasive surgery of the orthopedics department; and all that is required is that a small incision is cut in the focus position, the curette is inserted into the wound, and the operation is performed under the direct view of a display screen of a displayer, so that real conditions of pathological changes of tissues inside a bone spine, the operation contact surface and the curette head entered depth can be more clearly observed, the accuracy of checking and operation is improved, the blindness is avoided, the damage to normal tissues is reduced, and pain, burden and medical risk of a patient are relieved.

Description

The Minimally Invasive Surgery orthopaedic curet

Technical field

This utility model relates to a kind of medical apparatus and instruments, and particularly a kind of bone surgery that can be used as is observed bone vertebra etc., and carries out by display screen the Minimally Invasive Surgery orthopaedic curet that straightforward manipulation uses.

Background technology

Flourish along with scientific and technological cause, interior specula has been the product of modern high technology, it can be deep into the place that the people is invisible to the naked eye, see the situation of human organ inside clearly, now be used widely in industry, science and technology and Medical treatment field, and the patent that interior specula technology applies in Minimally Invasive Surgery is also arisen at the historic moment.

Bone surgery is diagnosis and when treatment at vertebra position particularly, cause is carried out direct observation on the bone vertebra difficulty is larger, usually endoscope carries out under released state at twice with the curet operation, therefore existing Following Orthopaedic Procedures: bothers, the time is long, brings very large painful and burden to the patient.

The patent No. 201020257881.2 " disposable tubular sight " just provides a kind of medical apparatus and instruments that uses as human organs such as endoscope or visual inspection rectum, vaginas, it is only to make splanchnoscopy as the organ that peeker enters human body and needs, clearly observe human organ internal state or focus, it only has the effect of observation, inspection, also without the function for the treatment of, perform the operation, eradicate focus.

The patent No. 200510060984.3 " a kind of pin mirror Minimally Invasive Surgery method complete medical operation apparatus " is mainly for diseases such as osteoarthritis, athletic injury, vertebra and back soft tissue injury and waist cervical vertebra dish are outstanding, though inspection, treatment function are arranged, but it also needs to have larger otch passage on human body, inserts two sleeve pipes and could use.

Above-mentioned two patents of while, the endoscope that adopts is optical lens, so shows on display screen that the definition of image is also not good, and the medical apparatus and instruments of this structure can't be worked in the cavity of less wound.

Summary of the invention

Technical problem to be solved in the utility model is: a kind of Minimally Invasive Surgery orthopaedic curet is provided, simple in structure, multiple functional, integrate observation, treat, perform the operation, can be in very little wound intracavity work, can be used as the medical apparatus that the orthopaedics Minimally Invasive Surgery is applied, can make the image demonstration of display more clear, the accuracy rate that greatly improves operation technique reduces again patient's misery and medical-risk.

the technical scheme in the invention for solving the above technical problem is: the Minimally Invasive Surgery orthopaedic curet, comprise key bit, the spoon bar, the curet that the shank of the key consists of and the integral body that connects into the pillar of clamping block, described pillar is connected to a spoon bar, the shank of the key, in the passage of clamping block, the shooting transmitting device also is installed in pillar, described shooting transmitting device is by fibre-optic bundle, be connected with the electronic circuit board of imageing sensor, video signal cable, the shooting assembly that photographic head consists of forms, described shooting assembly is connected with video signal cable, described fibre-optic bundle is connected with light source, described photographic head is close to spoon bar and is installed.

The front end of described fibre-optic bundle is arranged on the periphery place of pillar forward open end photographic head, and the rear end is connected with light source.

The outer surface of described pillar cylinder open end has the plane, and photographic head is close to a spoon bar inwall and is fixed in spoon bar.

One end of described video signal cable is connected with the shooting assembly, and the other end stretches out outside pillar and is connected with controller, display.

In the ring groove of described clamping block by the plug screw inwall, rubber ring is installed, the close-fitting latch segment consists of.

Described pillar diameter is at 1～5 millimeter, 1.5～6 millimeters of channel diameters, shooting assembly diameter 1～5 millimeter with the pillar tight fit, pillar and passage cunning are joined, 0.5～10 centimetre of key bit and photographic head spacing.

The outer face of described photographic head, the glass window that front opening place's installation of spoon bar is made with transparent material.

Inlet tube and outlet tube also is installed in described pillar, and the inlet tube and outlet tube front end is at the shooting assembly place of spoon bar front opening, and rear connection liquor pump is stretched out from pillar in the rear end.

compared with prior art, the utility model has the advantage of: the transmitting device of now all making a video recording all is arranged in columniform pillar, pillar is directly installed on again the interior formation of the cavity peeker of curet, and the curet shape is changed, it is simple in structure, easily install, dismounting, curet and peeker function are united two into one, control great efforts, easy to use, volume is little, multiple functional, and play collection and observe, the hands art, treat the effect in one, be the application of the orthopaedics Minimally Invasive Surgery reliable surgical instrument of providing convenience, only need to open a little otch at patient's affected area, curet with peeker is inserted wound, can work in the cavity of little wound, and carry out operation technique under the direct-view of display panel, can more clearly observe the real conditions of bone vertebra interior tissue pathological changes and the degree of depth that operation contact surface and key bit enter, improved the accuracy rate of inspection and operation technique, overcome blindness, thereby reduce the injury of normal structure, one man operation simultaneously many people observe, can reduce operate miss and shorten again operating time, therefore greatly alleviate patient's misery, burden and medical-risk, simultaneously spoon bar front end is very little with the pillar cooperation place that photographic head is installed, only 1～6 millimeter, so can make patient's otch especially little, perform the operation safer, the patient body rehabilitation is faster.

Description of drawings

Fig. 1, the first scenario-frame of the present utility model, user mode figure.

The A of Fig. 2, Fig. 1-A zoomed-in view.

The B of Fig. 3, Fig. 1-B amplification profile.

Fig. 4, alternative plan structural representation of the present utility model.

The C of Fig. 5, Fig. 4-C zoomed-in view.

The D of Fig. 6, Fig. 4-D amplification profile.

Fig. 7, third party's case structural representation of the present utility model.

The specific embodiment

Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.

Curet is comprised of the integral body that spoon bar 3 and the shank of the key 4 with key bit 1 connect into.

Key bit 1 is semicircle eccentric, opening with the junction of spoon bar 3, as shown in Figure 2.

Fibre-optic bundle 10, video signal cable 9, the electronic circuit board that is connected with imageing sensor and photographic head 15 consist of shooting assembly 2.

Work for guaranteeing that curet can enter in the cavity of less wound, its pillar 8 diameters are very little, usually at 1～5 millimeter, passage 5 internal diameters of spoon bar front end are joined with the pillar cunning at 1.5～6 millimeters, shooting assembly 2 diameters that are arranged on pillar front opening place 1～5 millimeter with the pillar tight fit, leptosomatic shooting assembly is positioned at nearly key bit 0.5～10 centimeters simultaneously, and scalable photographic head 15 and key bit 1 spacing make photographic head 15 just in time in seeing the working range of key bit.

One end of video signal cable 9 is connected on shooting assembly 2, and the another end of video signal cable 9 is stretched out outside pillar 8, and is connected on image controller 12, also can adopt wireless module to replace video signal cable 9 to be connected with shooting assembly 2.

The front end of fibre-optic bundle 10 is arranged on the periphery place of pillar 8 forward open end photographic head 15, for the curet operation provides illumination, the rear end is connected with light source 11 and is used for the transmission illumination, brightness of illumination can be made adjustments by the light source 11 that is connected, as shown in Figure 1, the optical fibers beam material is glass or plastic optical fiber, light source is LED lamp or Halogen light, cylindrical pillar 8 forward open end outer surfaces have a plane 14, photographic head can be close to spoon bar 3 inwalls to be fixed in spoon bar, simultaneously keep again the focal length of photographic images constant, be fixed on certain position.

In the ring groove of clamping block by plug screw 6 inwalls, rubber ring is installed, fixed locking block 7 forms, the pillar that the shooting transmitting device is installed is fixed, can not rotate, regulate simultaneously the distance of 1 of photographic head 15 and key bit by clamping block, if use in bone spinal column, vertebrae operation, distance at 2～5 centimetres, is fixed on the shank of the key 4 with the screw thread on plug screw 6 after regulating usually.

The passage 5 of mounted pillar 8 from the shank of the key 4 ends inserted in its cavity, and enter spoon bar until the forward open end of spoon bar 3 is stopped through passage 5, and expose the end face of photographic head 15, passage on the last clamping block that again the pillar end is passed fixing pillar, and be fixed on the shank of the key 4 with the screw thread on plug screw 6.

During use, the fibre-optic bundle 10 that will stretch out from pillar respectively is connected on light source 11, and video signal cable 9 is connected on image controller 12, and image controller 12 is connected with display 13 again.

When this curet is used for bone vertebra epidural space and plate-like inner chamber, just this curet can be inserted in human body by the little wound on patient skin, just obtain gem-pure video image on display, the doctor can see the real-time pictures that photographs, observe directly the inner chamber of wound, and carry out operation technique under the display screen direct-view.

Directly curet is taken out from wound after operation, then the pillar that the shooting transmitting device will be installed pulls out from the passage 5 of floating rule, handle-scraping method, gripping mechanism, will curet re-use or disposable use after sterilization.

For protection photographic head 15 does not directly contact with surgical wound, guarantee the use safety of camera head, also can be at the front opening of spoon bar; the place, outer face of photographic head 15; with transparent material mounting glass window 18, also to guarantee not affect simultaneously the quality of photographic images, as shown in Figure 7.

For ease of the cleaning of wound or with the liquid assimilating of wound face to external, also increase by two flushing channel inlet tube and

outlet tubes

16,17 in spoon bar, the shank of the key, as Fig. 4, Fig. 5, shown in Figure 6, inlet tube and outlet tube is connected (figure is picture) again with liquor pump.

Use, operating process are with above-mentioned not quite clear stating.

This curet also can be used in other organ of human body and uses, and uses as the utensil that operates such as surgery, department of otorhinolaryngology, gynecological, the department of stomatology.

For satisfying the needs of different operations, the shape of curet, size and pillar size and interior shooting transmitting device thereof also will make corresponding changes.

Description of the present utility model and accompanying drawing have been done detailed description to know-why and scheme, but these explanations just to inventive features for example rather than to the restriction of invention.Obviously the institute that produces according to know-why of the present utility model and embodiment changes or retrofits and all should belong to scope of the present utility model.

Claims

1. Minimally Invasive Surgery orthopaedic curet, comprise key bit (1), spoon bar (3), the curet that the shank of the key (4) consists of and the integral body that connects into the pillar (8) of clamping block, it is characterized in that described pillar (8) is connected to a spoon bar (3), the shank of the key (4), in the passage of clamping block (5), the shooting transmitting device also is installed in pillar (8), described shooting transmitting device is by fibre-optic bundle (10), be connected with the electronic circuit board of imageing sensor, video signal cable (9), the shooting assembly (2) that photographic head (15) consists of forms, described shooting assembly (2) is connected with video signal cable (9) or wireless module, described fibre-optic bundle (10) is connected with light source (11), described photographic head (15) is close to a spoon bar (3) and is installed.

2. Minimally Invasive Surgery orthopaedic curet according to claim 1, is characterized in that the front end of described fibre-optic bundle (10) is arranged on the periphery place of pillar (8) forward open end photographic head (15), and the rear end is connected with light source (11).

3. Minimally Invasive Surgery orthopaedic curet according to claim 1, is characterized in that the outer surface of described pillar (8) cylinder open end has plane (14), and photographic head (15) is close to a spoon bar (3) inwall and is fixed in a spoon bar (3).

4. Minimally Invasive Surgery orthopaedic curet according to claim 1, is characterized in that an end of described video signal cable (9) is connected with shooting assembly (2), and the other end stretches out outside pillar (8) and is connected with controller (12), display (13).

5. Minimally Invasive Surgery orthopaedic curet according to claim 1, is characterized in that described clamping block by rubber ring is installed in the ring groove of plug screw (6) inwall, and close-fitting latch segment (7) consists of.

6. Minimally Invasive Surgery orthopaedic curet according to claim 1, it is characterized in that described pillar (8) diameter is at 1～5 millimeter, 1.5～6 millimeters of passage (5) diameters, shooting assembly (2) diameter is 1～5 millimeter and pillar (8) tight fit, pillar (8) is joined with passage (5) is sliding, key bit (1) and 0.5～10 centimetre of photographic head (15) spacing.

7. Minimally Invasive Surgery orthopaedic curet according to claim 1 is characterized in that the outer face of described photographic head (15), and the glass window (18) made from transparent material is installed at the front opening place of spoon bar (3).

8. Minimally Invasive Surgery orthopaedic curet according to claim 1, it is characterized in that also being equipped with in described pillar (8) inlet tube and outlet tube (16,17), inlet tube and outlet tube (16,17) front end is located at the shooting assembly (2) of spoon bar front opening, and rear connection liquor pump is stretched out from pillar (8) in the rear end.